gold/ChangeLog

   1 2015-02-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
   2
   3         * gc.h (Garbage_collection::add_reference): Don't use find.
   4
   5 2015-02-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
   6
   7         * object.cc (write_local_symbols): avoid std::vector copy.
   8
   9 2015-02-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
  10
  11         * merge.cc (get_output_offset): Use upper_bound instead of lower_bound.
  12
  13 2015-02-09  Mark Wielaard  <mjw@redhat.com>
  14
  15         * gdb-index.cc (Gdb_index_info_reader::visit_top_die): Recognize
  16         DW_LANG_Fortran03 and DW_LANG_Fortran08.
  17
  18 2015-02-16  Cary Coutant  <ccoutant@google.com>
  19
  20         PR gold/13577
  21         PR gold/16992
  22         * layout.cc (Layout::finish_dynamic_section): Don't set DT_SYMBOLIC or
  23         DF_SYMBOLIC if --dynamic-list option is used.
  24         * options.cc (General_options::finalize): --dynamic-list is not
  25         mutually exclusive with -Bsymbolic.
  26         * symtab.h (Symbol::is_preemptible): Don't exclude dynamic symbols not
  27         listed in --dynamic-list.
  28         * testsuite/Makefile.am (dynamic_list_lib2.so): Add
  29         -Bsymbolic-functions.
  30         * testsuite/Makefile.in: Regenerate.
  31
  32 2015-02-16  Cary Coutant  <ccoutant@google.com>
  33
  34         PR gold/17971
  35         * incremental.cc: Remove redundant include of "output.h".
  36
  37 2015-02-12  Jing Yu  <jingyu@google.com>
  38
  39         * aarch64-reloc.def (TLSLE_MOVW_TPREL_G2, TLSLE_MOVW_TPREL_G1,
  40         TLSLE_MOVW_TPREL_G1_NC, TLSLE_MOVW_TPREL_G0, TLSLE_MOVW_TPREL_G0_NC,):
  41         New relocation.
  42         * aarch64.cc (Target_aarch64::Scan::local): Add cases for new
  43         TLSLE_MOVW_* relocations.
  44         (Target_aarch64::Scan::global): Likewise.
  45         (Target_aarch64::Relocate::relocate): Likewise.
  46         (Target_aarch64::Relocate::relocate_tls): Add cases and handlings
  47         for new TLSLE_MOVW_* relocations.
  48
  49 2015-02-11  Will Newton  <will.newton@linaro.org>
  50
  51         PR gold/13321
  52         * arm.cc (Target_arm::make_plt_section): Create an ARM
  53         state mapping symbol at the start of the PLT.
  54
  55 2015-02-09  H.J. Lu  <hongjiu.lu@intel.com>
  56
  57         * testsuite/Makefile.am (two_file_shared_2_pic_1_test_DEPENDENCIES):
  58         Replace two_file_shared_2.so with two_file_shared_1.so.
  59         * testsuite/Makefile.in: Regenerated.
  60
  61 2015-02-09  Alan Modra  <amodra@gmail.com>
  62
  63         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add libweak_undef_2.a,
  64         plugin_test_thin.a and defsym_test.
  65         * testsuite/Makefile.in: Regenerate.
  66
  67 2015-02-04  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
  68
  69         * merge.cc (do_add_input_section): Combine loop epilogue into main loop
  70         body.
  71
  72 2015-02-04  Peter Collingbourne  <pcc@google.com>
  73
  74         * plugin.cc (Pluginobj::get_symbol_resolution_info): Resolve
  75         forwarding symbols when computing symbol resolution info for plugins.
  76         * plugin.h (Plugin_manager::symtab): New method.
  77         (Pluginobj::get_symbol_resolution_info): Add symtab parameter.
  78
  79 2015-02-03  Cary Coutant  <ccoutant@google.com>
  80             Peter Collingbourne  <pcc@google.com>
  81
  82         PR gold/15660
  83         * archive.cc (Thin_archive_object_unlocker): New class.
  84         (Archive::include_member): Unlock external members of thin archives.
  85         * testsuite/Makefile.am (plugin_test_1): Rename .syms files.
  86         (plugin_test_2): Likewise.
  87         (plugin_test_3): Likewise.
  88         (plugin_test_4): Likewise.
  89         (plugin_test_5): Likewise.
  90         (plugin_test_6): Likewise.
  91         (plugin_test_7): Likewise.
  92         (plugin_test_8): Likewise.
  93         (plugin_test_9): Likewise.
  94         (plugin_test_10): Likewise.
  95         (plugin_test_11): New test case.
  96         * testsuite/Makefile.in: Regenerate.
  97         * testsuite/plugin_test.c (claim_file_hook): Check for parallel .syms
  98         file to decide whether to claim file.
  99         (all_symbols_read_hook): Likewise.
 100         * testsuite/plugin_test_1.sh: Adjust expected output.
 101         * testsuite/plugin_test_2.sh: Likewise.
 102         * testsuite/plugin_test_3.sh: Likewise.
 103         * testsuite/plugin_test_6.sh: Likewise.
 104         * testsuite/plugin_test_tls.sh: Likewise.
 105         * testsuite/plugin_test_11.sh: New testcase.
 106
 107 2015-02-03  Cary Coutant  <ccoutant@google.com>
 108
 109         * descriptors.cc (Descriptors::open): Set artificially-low limit for
 110         file descriptors when debugging enabled. Add debug output.
 111         (Descriptors::release): Add debug output.
 112         (Descriptors::close_some_descriptor): Likewise.
 113         (Descriptors::close_all): Likewise.
 114         * fileread.cc (File_read::lock): Likewise.
 115         (File_read::unlock): Likewise.
 116
 117 2015-02-02  Cary Coutant  <ccoutant@google.com>
 118
 119         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for
 120         executable output file.
 121
 122 2015-01-22  Han Shen  <shenhan@google.com>
 123
 124         * arm.cc (Target_arm::Target_arm): Add initialization for new members.
 125         (Target_arm::do_plt_address_for_global): New method.
 126         (Target_arm::do_plt_address_for_local): New method.
 127         (Target_arm::rel_irelative_section): New method.
 128         (Target_arm::make_data_plt): Add more parameters for plt ctor.
 129         (Target_arm::do_make_data_plt): Add more parameters for plt ctor.
 130         (Target_arm::Scan::symbol_needs_plt_entry): Add ifunc support.
 131         (Target_arm::Scan::reloc_needs_plt_for_ifunc): Add ifunc support.
 132         (Target_arm::Scan::check_non_pic): Add ifunc support.
 133         (Target_arm::Scan::local): Add ifunc support.
 134         (Target_arm::Scan::global): Add ifunc support.
 135         (Target_arm::make_plt_section): New method.
 136         (Target_arm::make_plt_entry): Change to call to make_plt_section.
 137         (Target_arm::make_local_ifunc_plt_entry): New method.
 138         (Target_arm::got_irelative_): New member.
 139         (Target_arm::rel_irelative_): New member.
 140         (Target_arm::got_section): Add creation for got_irelative_.
 141         (Target_arm::rel_dyn_section): Add creation for rel_irelative_.
 142         (Target_arm::Relocate::relocate): Properly set local ifunc address.
 143         (Target_arm::do_dynsym_value): Properly set global ifunc address.
 144         (Target_arm::scan_reloc_for_stub): Properly set global ifunc address.
 145         (Output_data_plt_arm::IRelative_data): New type.
 146         (Output_data_plt_arm::Output_data_plt_arm): Add more parameters.
 147         (Output_data_plt_arm::add_entry): Add more parameters.
 148         (Output_data_plt_arm::add_relocation): New method.
 149         (Output_data_plt_arm::add_local_ifunc_entry): New method.
 150         (Output_data_plt_arm::rel_irelative): New method.
 151         (Output_data_plt_arm::entry_count): Modified.
 152         (Output_data_plt_arm::address_for_global): New method.
 153         (Output_data_plt_arm::address_for_local): New method.
 154 gold/
 155         (Output_data_plt_arm::set_final_data_size): Add irelative_count_.
 156         (Output_data_plt_arm::insert_irelative_data): New method.
 157         (Output_data_plt_arm::irelative_rel_): New member.
 158         (Output_data_plt_arm::got_): New member.
 159         (Output_data_plt_arm::got_irelative_): New member.
 160         (Output_data_plt_arm::irelative_count_): New member.
 161         (Output_data_plt_arm::IRelative_data_vec): New typedef.
 162         (Output_data_plt_arm::irelative_data_vec_): New member.
 163         (Output_data_plt_arm::do_write): Write out irelative entries.
 164         (Output_data_plt_arm_standard::Output_data_plt_arm_standard): Add
 165         more parameters to ctor.
 166         (Output_data_plt_arm_nacl::Output_data_plt_arm_nacl): Add
 167         more parameters to ctor.
 168         * output.h (Output_data_reloc::add_local_relative): New method.
 169         * aarch64.cc (Output_data_plt_aarch64): Fixed typo in comment.
 170
 171 2015-01-29  Alan Modra  <amodra@gmail.com>
 172
 173         * powerpc.cc (Target_powerpc::Relocate::relocate): Correct GOT_TLSLD
 174         and GOT_TLSGD to LE optimization.
 175
 176 2015-01-28  Cary Coutant  <ccoutant@google.com>
 177
 178         * x86_64.cc (Target_x86_64::Scan::global): Allow IE-to-LE optimization
 179         for undef TLS symbols.
 180         (Target_x86_64::Relocate::relocate_tls): Likewise.
 181         (Target_x86_64::Relocate::tls_ie_to_le): Likewise.
 182
 183 2015-01-25  Cary Coutant  <ccoutant@google.com>
 184
 185         * output.cc (Output_segment::set_section_addresses): Fix calculation
 186         of size of relro segment.
 187
 188 2015-01-22  Alan Modra  <amodra@gmail.com>
 189
 190         * powerpc.cc (Target_powerpc::Scan::local <got relocs>): Correct
 191         condition for need of ifunc plt entry.
 192         (Target_powerpc::Scan::global <got relocs>): Likewise.
 193
 194 2015-01-14  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 195
 196         * mips.cc (reloc_high): Add r_sym.
 197         (Mips_relocate_functions::relhi16): Add r_sym parameter. Pass r_sym to
 198         reloc_high constructor.
 199         (Mips_relocate_functions::relgot16_local): Likewise.
 200         (Mips_relocate_functions::rello16): Add r_sym parameter. Use r_sym and
 201         r_type to decide whether LO16 matches HI16.
 202         (Target_mips::Relocate::relocate): Pass r_sym to calls to relhi16,
 203         rello16 and relgot16_local.
 204
 205 2015-01-09  Cary Coutant  <ccoutant@google.com>
 206
 207         * layout.cc (Layout::set_segment_offsets): Don't align start of segment
 208         unless alignment is larger than page size.
 209
 210 2015-01-06  H.J. Lu  <hongjiu.lu@intel.com>
 211             Cary Coutant  <ccoutant@google.com>
 212
 213         PR gold/17729
 214         * configure.ac (DEFAULT_TARGET_X86_64): Don't set for x32.
 215         (DEFAULT_TARGET_X32): Set for x32.
 216         * x86_64.cc (cmp_insn_32): New.
 217         (lea_r10_insn_32): Likewise.
 218         (lea_r11_insn_32): Likewise.
 219         (cmp_insn_64): Likewise.
 220         (lea_r10_insn_64): Likewise.
 221         (lea_r11_insn_64): Likewise.
 222         (Target_x86_64<size>::do_calls_non_split): Handle x32.
 223         * testsuite/Makefile.am (check_SCRIPTS): Add split_x32.sh.
 224         (check_DATA): Add split_x32 files.
 225         (split_x32_[1234n].o): New targets.
 226         (split_x32_[124]): New targets.
 227         (split_x32_[1234r].stdout): New targets.
 228         * testsuite/split_x32.sh: New file.
 229         * testsuite/split_x32_1.s: Likewise.
 230         * testsuite/split_x32_2.s: Likewise.
 231         * testsuite/split_x32_3.s: Likewise.
 232         * testsuite/split_x32_4.s: Likewise.
 233         * testsuite/split_x32_n.s: Likewise.
 234         * configure: Regenerated.
 235         * testsuite/Makefile.in: Likewise.
 236
 237 2015-01-06  H.J. Lu  <hongjiu.lu@intel.com>
 238
 239         PR gold/17809
 240         * x86_64.cc (Target_x86_64<size>::Relocate::tls_ie_to_le): Handle
 241         x32.
 242
 243 2015-01-02  Alan Modra  <amodra@gmail.com>
 244
 245         * version.cc (print_version): Just print current year.
 246         * dwp.cc (print_version): Likewise.
 247
 248 2015-01-01  Alan Modra  <amodra@gmail.com>
 249
 250         Update year range in copyright notice of all files.
 251
 252 2014-12-25  Alan Modra  <amodra@gmail.com>
 253
 254         * arm.cc (Target_arm::do_adjust_elf_header): Provide namespace on
 255         new enums.
 256         (Target_arm::merge_object_attributes, ): Likewise.
 257
 258 2014-12-25  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 259
 260         * arm.cc (Target_arm::do_adjust_elf_header): Set e_flags in ELF header
 261         as hard float only when Tag_ABI_VFP_args is 1, using new enum value
 262         AEABI_VFP_args_vfp to check that.
 263         (Target_arm::merge_object_attributes): Handle new Tag_ABI_VFP_args
 264         value and replace hardcoded values by enum values.
 265
 266 2014-12-22  Cary Coutant  <ccoutant@google.com>
 267
 268         * powerpc.cc (Target_powerpc::relocate): Fix overflow check.
 269
 270 2014-12-20  H.J. Lu  <hongjiu.lu@intel.com>
 271
 272         PR gold/14608
 273         * testsuite/debug_msg.cc (SometimesInlineFunction): Changed
 274         to "return i * i * 3;".
 275
 276 2014-12-16  Cary Coutant  <ccoutant@google.com>
 277
 278         * mapfile.cc (Mapfile::print_input_section): Print uncompressed sizes.
 279         (Mapfile::print_output_data): Use current_data_size() to avoid
 280         assert for sections requiring postprocessing; if address is not valid,
 281         print 0.
 282         (Mapfile::print_output_section): Use current_data_size(); print note
 283         that addresses and sizes are before compression.
 284
 285 2014-12-14  H.J. Lu  <hongjiu.lu@intel.com>
 286
 287         * aarch64.cc (AArch64_relocate_functions::maybe_apply_stub):
 288         Cast current_group_size to unsigned long when reporting error.
 289
 290 2014-12-10  Jing Yu  <jingyu@google.com>
 291
 292         * aarch64.cc (Target_aarch64): Add new variable stub_group_size_.
 293         (AArch64_relocate_functions::maybe_apply_stub): Add new parameter.
 294         Update error message.
 295         (Target_aarch64::do_relax): Use absolute value of option
 296         stub_group_size. Replace local variable with class member
 297         stub_group_size_.
 298
 299 2014-12-04  Alan Modra  <amodra@gmail.com>
 300
 301         * powerpc.cc (Target_powerpc::Branch_info::make_stub): Ignore
 302         addend of PLTREL24 reloc when not generating a plt stub.  Make
 303         max_branch_offset an "Address".
 304         (Stub_table::can_reach_stub): Make max_branch_offset an "Address".
 305         (Target_powerpc::Relocate::relocate): Likewise.
 306
 307 2014-12-04  Alan Modra  <amodra@gmail.com>
 308
 309         PR 17670
 310         * symtab.cc (Symbol::set_undefined): Remove assertion.
 311         * powerpc.cc (Target_powerpc::symval_for_branch): Don't assert
 312         on symbols defined in discarded sections, instead return false.
 313         Rearrange params, update all callers.
 314         (Target_powerpc::Branch_info::make_stub): Don't make stubs for
 315         branches to syms in discarded sections.
 316         (Global_symbol_visitor_opd::operator()): Set discarded opd syms
 317         undefined and flag as discarded.
 318         (Target_powerpc::Relocate::relocate): Localize variable.
 319
 320 2014-12-03  H.J. Lu  <hongjiu.lu@intel.com>
 321
 322         PR gold/17675
 323         * testsuite/Makefile.am (pie_copyrelocs_test_CXXFLAGS): New.
 324         * testsuite/Makefile.in: Regenerated.
 325
 326 2014-12-03  Alan Modra  <amodra@gmail.com>
 327
 328         PR 17566
 329         * powerpc.cc (Target_powerpc::Scan::local): Use add_local_section
 330         when adding dynamic relocations against section symbols.
 331
 332 2014-12-01  Dimitry Ivanov <dimitry@google.com>
 333
 334         * layout.cc (Layout::finish_dynamic_section): When '-z global'
 335         is specified set DF_1_GLOBAL in DT_FLAGS_1 flags.
 336         * options.h (General_options): New -z option (global).
 337
 338 2014-12-01  Cary Coutant  <ccoutant@google.com>
 339
 340         PR gold/17578
 341         * layout.cc (Layout::layout_gnu_stack): Don't warn when -z execstack
 342         is given.
 343         (Layout::create_executable_stack_info): Warn when -z noexecstack is
 344         given but some inputs require executable stack.
 345
 346 2014-11-26  Cary Coutant  <ccoutant@google.com>
 347
 348         * layout.cc (gdb_sections): Keep .debug_gdb_scripts and
 349         .debug_str_offsets; strip .debug_gnu_pubnames and
 350         .debug_gnu_pubtypes.
 351         (lines_only_debug_sections): Strip all four new sections.
 352
 353 2014-11-26  Jing Yu  <jingyu@google.com>
 354
 355         * aarch64.cc (Relocate::tls_desc_gd_to_ie): Set ldr target
 356         register to be x0 when to relax TLSDESC_LD64_LO12.
 357
 358 2014-11-26  Alan Modra  <amodra@gmail.com>
 359
 360         * powerpc.cc (struct Stub_table_owner): New.
 361         (Powerpc_relobj): Rename stub_table_ to stub_table_index_, an
 362         unsigned int vector.  Update all references.
 363         (powerpc_relobj::set_stub_table): Take an unsigned int param
 364         rather than a Stub_table.  Update callers.
 365         (Powerpc_relobj::clear_stub_table): New function.
 366         (Target_powerpc): Add relax_failed_, relax_fail_count_ and
 367         stub_group_size_ vars.
 368         (Target_powerpc::new_stub_table): Delete.
 369         (max_branch_delta): New function, extracted from..
 370         (Target_powerpc::Relocate::relocate): ..here..
 371         (Target_powerpc::Branch_info::make_stub): ..and here.  Return
 372         status on whether stub created successfully.
 373         (Stub_control::Stub_control): Add "no_size_errors" param.  Move
 374         default sizing to..
 375         (Target_powerpc::do_relax): ..here.  Init stub_group_size_ and
 376         reduce on relax failure.
 377         (Target_powerpc::group_sections): Add "no_size_errors" param.
 378         Use stub_group_size_.  Set up group info in a temp vector,
 379         before building Stub_table vector.  Account for input sections
 380         possibly already converted to relaxed sections.
 381         (Stub_table::init): Delete.  Merge into..
 382         (Stub_table::Stub_table): ..here.
 383         (Stub_table::can_reach_stub): New function.
 384         (Stub_table::add_plt_call_entry): Add "from" parameter and
 385         return true iff stub could be reached.
 386         (Stub_table::add_long_branch_entry): Similarly.  Add "r_type"
 387         param too.
 388         (Stub_table::clear_stubs): Add "all" param.
 389
 390 2014-11-26  Alan Modra  <amodra@gmail.com>
 391
 392         * powerpc.cc (Stub_control::set_output_and_owner): New function.
 393         (Target_powerpc::group_sections): Use it.
 394
 395 2014-11-25  Cary Coutant  <ccoutant@google.com>
 396
 397         * binary.cc (Binary_to_elf::sized_convert): Add size to _start symbol.
 398         (Binary_to_elf::write_symbol): Add st_size parameter.
 399         * binary.h (Binary_to_elf::write_symbol): Add st_size parameter.
 400
 401 2014-11-25  Cary Coutant  <ccoutant@google.com>
 402
 403         PR gold/17639
 404         * object.cc (Sized_relobj_file): Initialize is_deferred_layout_.
 405         (Sized_relobj_file::do_layout): Handle deferred sections properly
 406         during GC pass 1. Don't add reloc sections to deferred list twice.
 407         * object.h (Sized_relobj_file::is_deferred_layout): New function.
 408         (Sized_relobj_file::is_deferred_layout_): New data member.
 409
 410 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 411
 412         PR gold/17619
 413         * x86_64.cc (Output_data_plt_x86_64_standard<size>::do_fill_plt_entry):
 414         Check PC-relative offset overflow in PLT entry.
 415
 416 2014-11-21  Alan Modra  <amodra@gmail.com>
 417
 418         * powerpc.cc (Target_powerpc::Relocate::relocate): Correct test
 419         for undefined weaks.
 420
 421 2014-11-20  Alan Modra  <amodra@gmail.com>
 422
 423         * powerpc.cc (Stub_control::Stub_control): Init stub14_group_size_
 424         from --stub-group-size parameter divided by 1024.
 425         (Powerpc_relocate_functions::rela, rela_ua): Add fieldsize
 426         template parameter.  Update all uses.
 427         (Target_powerpc::Relocate::relocate): Rename has_plt_value to
 428         has_stub_value.  Set for long branches.  Don't report overflow for
 429         branch to undefined weak symbols.  Print info message on
 430         overflowing branch to stub.
 431
 432 2014-11-20  Alan Modra  <amodra@gmail.com>
 433
 434         * powerpc.cc (Target_powerpc::do_relax): Add __go_go to thread_starters.
 435
 436 2014-11-13  H.J. Lu  <hongjiu.lu@intel.com>
 437
 438         * x86_64.cc (Target_x86_64<size>::Scan::global): Don't make PLT
 439         entry for R_X86_64_GOTPLT64.
 440         (Target_x86_64<size>::Relocate::relocate): Update comments for
 441         R_X86_64_GOTPLT64.
 442
 443 2014-11-06  Evgeniy Dushistov  <dushistov@mail.ru>
 444
 445         * plugin.cc: use lock to searialize calls of Plugin_manager::claim_file
 446         * plugin.h: add lock definition
 447
 448 2014-10-29  Han Shen  <shenhan@google.com>
 449             Jing Yu   <jingyu@google.com>
 450
 451         * aarch64-reloc.def: Add LD_PREL_LO12, ADR_PREL_LO21,
 452         TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1,
 453         TLSLD_MOVW_DTPREL_G0_NC. Change property of TLS relocations to
 454         Symbol::TLS_REF.
 455         * aarch64.cc (Target_aarch64::do_can_check_for_function_pointers): New
 456         method.
 457         (Target_aarch64::reloc_needs_plt_for_ifunc): New method.
 458         (Target_aarch64::tls_ld_to_le): New method.
 459         (Target_aarch64::aarch64_info): Enable can_icf_inline_merge_sections
 460         for 64bit targets.
 461         (Output_data_plt_aarch64::irelative_rel_): New data member.
 462         (Output_data_plt_aarch64::add_entry): Add irelative entries to plt.
 463         (Output_data_plt_aarch64::add_local_ifunc_entry): New method.
 464         (Output_data_plt_aarch64::add_relocation): New method.
 465         (Output_data_plt_aarch64::do_write): Add gold_assert on got_irelative
 466         offset. Add got_irelative size to got size.
 467         (AArch64_relocate_functions): Typedef AArch64_valtype. Replace long
 468         type string with the new typename.
 469         (AArch64_relocate_functions::update_adr): Replace parameter x with
 470         immed.
 471         (AArch64_relocate_functions::update_movnz): Correct wrong val mask.
 472         (AArch64_relocate_functions::reloc_common): New method.
 473         (AArch64_relocate_funcsions::rela_general): Extract common part out
 474         into reloc_common method.
 475         (AArch64_relocate_functions::rela_general): Likewise.
 476         (AArch64_relocate_functions::pcrela_general): Likewise.
 477         (AArch64_relocate_functions::adr): New method.
 478         (AArch64_relocate_functions::adrp): Calculate immed before calling
 479         update_adr.
 480         (AArch64_relocate_functions::adrp): Likewise.
 481         (AArch64_relocate_functions::movnz): Cast x to SignedW type when
 482         comparing x to 0. Calculate immed from ~x when x < 0.
 483         (Target_aarch64::optimize_tls_reloc): Add new cases for
 484         TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1,
 485         TLSLD_MOVW_DTPREL_G0_NC.
 486         (Target_aarch64::possible_function_pointer_reloc): Implement this
 487         method.
 488         (Target_aarch64::Scan::local_reloc_may_be_function_pointer): Update
 489         comment.
 490         (Target_aarch64::Scan::local): Add codes to handle STT_GNU_IFUNC
 491         symbol. Add cases for TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC,
 492         TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC.
 493         (Target_aarch64::Scan::global): Add codes to handle STT_GNU_IFUNC
 494         symbol. Add cases for TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC,
 495         TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC.
 496         (Target_aarch64::make_plt_entry): Call add_entry with two more
 497         parameters.
 498         (Target_aarch64::make_local_ifunc_plt_entry): New method.
 499         (Target_aarch64::Relocate::relocate): Add cases for LD_PREL_LO19,
 500         ADR_PREL_LO21, TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC,
 501         TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC.
 502         (Target_aarch64::Relocate::relocate_tls): Add cases for
 503         TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1,
 504         TLSLD_MOVW_DTPREL_G0_NC.
 505         * testsuite/icf_safe_so_test.cc: Correct test comment.
 506         * testsuite/icf_safe_test.sh: Add AArch64 arch.
 507
 508 2014-10-22  Alan Modra  <amodra@gmail.com>
 509
 510         * powerpc.cc (do_relax): Add gcc-4.9 libgomp functions to
 511         thread_starter.
 512
 513 2014-10-18  Andreas Schwab  <schwab@linux-m68k.org>
 514
 515         * configure.tgt (targ_extra_obj) [aarch64*-*]: Define.
 516
 517 2014-10-17  Cary Coutant  <ccoutant@google.com>
 518
 519         * aarch64.cc (AArch64_relocate_functions::maybe_apply_stub):
 520         Add "typename" keyword.
 521
 522 2014-10-15  Han Shen  <shenhan@google.com>
 523             Jing Yu   <jingyu@google.com>
 524
 525         Patch for gold aarch64 backend to support relaxation.
 526         * aarch64-reloc.def: Change format.
 527         * aarch64.cc (class Reloc_stub): New class.
 528         (class Stub_table): New class.
 529         (class AArch64_relobj): New class.
 530         (class AArch64_input_section): New class.
 531         (class AArch64_output_section): New class.
 532         (Target_aarch64::new_stub_table): New method.
 533         (Target_aarch64::new_aarch64_input_section): New method.
 534         (Target_aarch64::find_aarch64_input_section): New method.
 535         (Target_aarch64::scan_section_for_stubs): New method.
 536         (Target_aarch64::scan_reloc_section_for_stubs): New method.
 537         (Target_aarch64::relocate_stub): New method.
 538         (Target_aarch64::current_target): New method.
 539         (Target_aarch64::do_make_elf_object): New method.
 540         (Target_aarch64::do_may_relax): New method.
 541         (Target_aarch64::do_relax): New method.
 542         (Target_aarch64::group_sections): New method.
 543         (Target_aarch64::scan_reloc_for_stub): New method.
 544         (Target_aarch64::do_make_output_section): New method.
 545         (Target_aarch64::stub_tables_): New data member.
 546         (Target_aarch64::aarch64_input_section_map_): New data member.
 547         (AArch64_relocate_functions::maybe_apply_stub): New method.
 548
 549 2014-09-30  Cary Coutant  <ccoutant@google.com>
 550
 551         PR gold/17432
 552         * resolve.cc (Symbol_table::resolve): Fix local shadowing error.
 553
 554 2014-09-30  Kito Cheng  <kito@0xlab.org>
 555
 556         PR gold/13597
 557         * layout.cc (Layout::create_dynamic_symtab): Build gnu-style
 558         hash table before sysv-style hash table.
 559
 560 2014-09-29  Sriraman Tallam  <tmsriram@google.com>
 561
 562         * options.h (--pic-executable): Add negative to alias to -no-pie.
 563
 564 2014-09-26  Cary Coutant  <ccoutant@google.com>
 565
 566         PR gold/16773
 567         * object.cc (Sized_relobj_file): Compute value of section symbols
 568         for TLS sections the same as TLS symbols.
 569
 570 2014-09-25  Cary Coutant  <ccoutant@google.com>
 571
 572         PR gold/17432
 573         * resolve.cc (Symbol_table::resolve): Override common placeholder
 574         symbols, but adjust sizes.
 575         * symtab.cc (Symbol_table::add_from_object): Don't add placeholder
 576         symbols to common lists.
 577
 578 2014-09-24  Alan Modra  <amodra@gmail.com>
 579
 580         * po/POTFILES.in: Regenerate.
 581
 582 2014-09-23  Taiju Tsuiki  <tzik@google.com>
 583             Cary Coutant  <ccoutant@google.com>
 584
 585         PR gold/14860
 586         * gold.cc (queue_final_tasks): Add Write_sections_task as a blocker
 587         on input_sections_blocker.
 588         * layout.cc (Write_sections_task::locks): Unblock
 589         input_sections_blocker_.
 590         * layout.h (Write_sections_task::Write_sections_task): Add
 591         input_sections_blocker.
 592         * testsuite/Makefile.am (exception_x86_64_bnd_test): Add gcctestdir/ld
 593         to DEPENDENCIES.
 594         * testsuite/Makefile.in: Regenerate.
 595
 596 2014-09-18  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
 597
 598         * testsuite/Makefile.am (plugin_test_10): New test.
 599         * testsuite/Makefile.in: Regenerate
 600         * testsuite/plugin_common_test_2.c (c1): Align to 8.
 601         * testsuite/plugin_test_10.sh: New file.
 602
 603 2014-09-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
 604
 605         * plugin.cc (Sized_pluginobj::do_add_symbols): Ignore isym->size.
 606         * resolve.cc (Symbol_table::resolve): Don't override common symbols
 607         during the replacement phase.
 608
 609 2014-09-17  Han Shen  <shenhan@google.com>
 610             Jing Yu  <jingyu@google.com>
 611
 612         * aarch64-reloc.def: Add TLSGD_ADR_PAGE21, TLSGD_ADD_LO12_NC,
 613         TLSDESC_ADR_PAGE21, TLSDESC_LD64_LO12, TLSDESC_ADD_LO12, TLSDESC_CALL.
 614         * aarch64.cc (Target_aarch64): Add data members
 615         got_irelative_, got_tlsdesc_, rela_irelative_, got_mod_index_offset_,
 616         tlsdesc_reloc_info_, tls_base_symbol_defined_. Initialize them in
 617         constructor.
 618         (Target_aarch64::do_reloc_symbol_index): New method.
 619         (Target_aarch64::do_reloc_addend): New method.
 620         (Target_aarch64::add_tlsdesc_info): New method.
 621         (Target_aarch64::do_dynsym_value): New method.
 622         (Target_aarch64::do_make_data_plt): Add new parameters: got,
 623         got_irelative. Pass them to Output_data_plt_aarch64_standard.
 624         (Target_aarch64::make_data_plt): Add new parameters: got,
 625         got_irelative. Pass them to do_make_data_plt.
 626         (Target_aarch64::Relocate): Add skip_call_tls_get_addr_ variable.
 627         (Target_aarch64::Relocate:tls_gd_to_le): New method.
 628         (Target_aarch64::Relocate:tls_ie_to_le): New method.
 629         (Target_aarch64::Relocate:tls_desc_gd_to_le): New method.
 630         (Target_aarch64::Relocate:tls_desc_gd_to_ie): New method.
 631         (Target_aarch64::got_tlsdesc_section): New method.
 632         (Target_aarch64::make_local_ifunc_plt_entry): New method.
 633         (Target_aarch64::define_tls_base_symbol): New method.
 634         (Target_aarch64::reserve_tlsdesc_entries): New method.
 635         (Target_aarch64::got_mod_index_entry): New method.
 636         (Target_aarch64::rela_tlsdesc_section): New method.
 637         (Target_aarch64::rela_irelative_section): New method.
 638         (Target_aarch64::Tlsdesc_info): New struct.
 639         (Target_aarch64::got_section): Create .got.plt space for IRELATIVE
 640         relocations and tlsdesc relocations.
 641         (Target_aarch64::optimize_tls_reloc): Implement method.
 642         (Output_data_plt_aarch64): Add member variables: tlsdesc_rel_, got_,
 643         got_irelative_, irelative_count_, tlsdesc_got_offset_. Initialize them
 644         in constructor.
 645         (Output_data_plt_aarch64::reserve_tlsdesc_entry): New method.
 646         (Output_data_plt_aarch64::has_tlsdesc_entry): New method.
 647         (Output_data_plt_aarch64::get_tlsdesc_got_offset): New method.
 648         (Output_data_plt_aarch64::get_tlsdesc_plt_offset): New method.
 649         (Output_data_plt_aarch64::rela_tlsdesc): New method.
 650         (Output_data_plt_aarch64::rela_irelative): New method.
 651         (Output_data_plt_aarch64::entry_count): Count IRELATIVE relocations.
 652         (Output_data_plt_aarch64::first_plt_entry_offset): Add const attribute.
 653         (Output_data_plt_aarch64::get_plt_tlsdesc_entry_size): New method.
 654         (Output_data_plt_aarch64::fill_tlsdesc_entry): New method.
 655         (Output_data_plt_aarch64::do_get_plt_tlsdesc_entry_size): New method.
 656         (Output_data_plt_aarch64::do_fill_tlsdesc_entry): New method.
 657         (Output_data_plt_aarch64_standard): New member variables:
 658         plt_tlsdesc_entry_size, tlsdesc_plt_entry.
 659         (Output_data_plt_aarch64_standard::Output_data_plt_aarch64_standard):
 660         New parameter: got, got_irelative.
 661         (Output_data_plt_aarch64_standard::do_get_plt_entry_size): New method.
 662         (Output_data_plt_aarch64_standard::do_fill_tlsdesc_entry): New method.
 663         (Output_data_plt_aarch64::do_write): Replace got_address with
 664         gotplt_address. Add irelative_count_ to count. Write tlsdesc entry.
 665         (AArch64_relocate_functions::update_movnz): New method.
 666         (AArch64_relocate_functions): Correct format.
 667         (AArch64_relocate_functions::movnz): New method.
 668         (Target_aarch64::Scan::local): Correct format. Move r_sym, got to
 669         before the switch. Add new cases to switch.
 670         Check ie_to_le relaxation on tlsie relocations. Add code handling
 671         tlsgd tlsdesc cases.
 672         (Target_aarch64::Scan::global): Move arp to front. Do copy_reloc when
 673         needed. Add new cases to switch. Insert dynamic RELATIVE relocation
 674         when needed. Add code handling tlsgd, tlsie, tlsdesc cases.
 675         Call reloc_name_in_error_message to print unsupported reloc.
 676         (Target_aarch64::make_plt_section): Pass got_ and got_irelative_ to
 677         make_data_plt.
 678         (Target_aarch64::do_finalize_sections): Emit relocs to save COPY
 679         relocs. Fill in some more dynamic tags.
 680         (Target_aarch64::Relocate::relocate): Handle tlsgd, tlsdesc relocs.
 681         Skip call tls_get_addr when tlsgd is relaxed.
 682         (Target_aarch64::Relocate::relocate_tls): Correct format. Add code
 683         handling tlsgd, tlsdesc relocs, and tls gd->le, ie->le, tlsdesc->le,
 684         tlsdesc->ie relaxation.
 685
 686 2014-09-03  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 687
 688         * mips.cc (Target_mips_nacl): New class.
 689         (Target_selector_mips_nacl): New class.
 690         (target_selector_mips32): Rename from target_selector_mips32be and use
 691         Target_selector_mips_nacl instead of Target_selector_mips.
 692         (target_selector_mips32el): Rename from target_selector_mips32 and use
 693         Target_selector_mips_nacl instead of Target_selector_mips.
 694         (target_selector_mips64): Rename from target_selector_mips64be and use
 695         Target_selector_mips_nacl instead of Target_selector_mips.
 696         (target_selector_mips64el): Rename from target_selector_mips64 and use
 697         Target_selector_mips_nacl instead of Target_selector_mips.
 698         (Target_mips::mips_info): Add const attribute.
 699
 700 2014-09-02  Cary Coutant  <ccoutant@google.com>
 701
 702         * dwp.cc (Sized_relobj_dwo::do_section_name): Add const attribute.
 703         * dynobj.h (Sized_dynobj::do_section_name): Likewise.
 704         * incremental.cc (Sized_relobj_incr::do_section_name): Likewise.
 705         (Sized_incr_dynobj::do_section_name): Likewise.
 706         * incremental.h (Sized_relobj_incr::do_section_name): Likewise.
 707         (Sized_incr_dynobj::do_section_name): Likewise.
 708         * object.h (Object::section_name): Likewise.
 709         (Object::do_section_name): Likewise.
 710         (Sized_relobj_file::do_section_name): Likewise.
 711         * plugin.cc (Sized_pluginobj::do_section_name): Likewise.
 712         * plugin.h (Sized_pluginobj::do_section_name): Likewise.
 713
 714 2014-09-02  Cary Coutant  <ccoutant@google.com>
 715
 716         PR gold/17005
 717         * ehframe.cc (Fde::write): Add output_offset parameter.
 718         (Cie::write): Likewise.
 719         (Eh_frame::set_final_data_size): Account for offset within output
 720         section.
 721         (Eh_frame::do_sized_write): Likewise.
 722         * ehframe.h (Fde::write): Add output_offset parameter.
 723         (Cie::write): Likewise.
 724         * output.cc (Output_section::Input_section_sort_entry): Remove
 725         section_has_name_; add output_section_name parameter. Use
 726         output section name for non-input sections.
 727         (Output_section::Input_section_sort_entry::section_has_name): Remove.
 728         (Output_section::Input_section_sort_entry::section_has_name_): Remove.
 729         (Output_section::Input_section_sort_compare): Remove logic for
 730         sections without names.
 731         (Output_section::Input_section_sort_init_fini_compare): Likewise.
 732         (Output_section::Input_section_sort_section_prefix_special_ordering_compare):
 733         Likewise.
 734         (Output_section::Input_section_sort_section_name_compare): Likewise.
 735
 736 2014-08-29 Han Shen <shenhan@google.com>
 737            Jing Yu <jingyu@google.com>
 738
 739         * aarch64-reloc-property.cc
 740         (AArch64_reloc_property_table::reloc_name_in_error_message): Fix bug in
 741         reference reloc property in the table.
 742         * aarch64-reloc.def: Add TLSLE reloc types and fix some errors in
 743         3 other entries.
 744         * aarch64.cc: (Output_data_got_aarch64::add_static_reloc):
 745         2 new overloaded methods.
 746         (Output_data_got_aarch64::do_write): Add code to write out
 747         static relocs.
 748         (class Output_data_got_aarch64::Static_reloc): New class to wrap
 749         static relocs.
 750         (Output_data_got_aarch64::static_relocs): New vector to
 751         hold static relocs.
 752         (Target_aarch64::TCB_SIZE): New const static memeber.
 753         (Target_aarch64::tcb_size): New method.
 754         (Target_aarch64::Relocate::relocate): Add code handling new reloc types.
 755         (Target_aarch64::Relocate::relocate_tls): New method.
 756         (Target_aarch64::Scan::local): Add code handling new reloc types.
 757         (Target_aarch64::Scan::global): Add code handling new reloc types.
 758
 759 2014-08-13  Sriraman Tallam  <tmsriram@google.com>
 760
 761         * options.h (-no-pie): Add option.
 762
 763 2014-08-08  Jing Yu  <jingyu@google.com>
 764             Han Shen  <shenhan@google.com>
 765
 766         * Makefile.am (HFILES): Add aarch64-reloc-property.h.
 767         (DEFFILES): add aarch64-reloc.def.
 768         (TARGETSOURCES): Add aarch64-reloc-property.cc.
 769         (ALL_TARGETOBJS): Add aarch64-reloc-property.$(OBJEXT).
 770         * Makefile.in: Regenerate.
 771         * aarch64-reloc-property.cc: New file.
 772         * aarch64-reloc-property.h: New file.
 773         * aarch64-reloc.def: New file.
 774         * aarch64.cc: Include aarch64-reloc-property.h. Replace spaces
 775         with tab to make the format consistent.
 776         (Output_data_got_aarch64::symbol_table_): New method.
 777         (Target_aarch64::do_plt_address_for_global): New method.
 778         (Target_aarch64::do_plt_address_for_local): New method.
 779         (Target_aarch64::do_select_as_default_target): New method.
 780         (Target_aarch64::do_make_data_plt): New method.
 781         (Target_aarch64::make_data_plt): New method.
 782         (Output_data_plt_aarch64::has_irelative_section): New method.
 783         (Output_data_plt_aarch64::address_for_global): New method.
 784         (Output_data_plt_aarch64::address_for_local): New method.
 785         (Output_data_plt_aarch64::irelative_rel_): New parameter.
 786         (Output_data_plt_aarch64::add_entry): Implement contents.
 787         (Output_data_plt_aarch64::set_final_data_size): Fix typo.
 788         (Output_data_plt_aarch64::do_write): Remove useless got_base. Set
 789         the got_pov entry to plt0.
 790         (Output_data_plt_aarch64_standard::do_fill_first_plt_entry):
 791         Implement contents.
 792         (Output_data_plt_aarch64_standard::do_fill_plt_entry): Implement.
 793         (AArch64_howto): New struct.
 794         (aarch64_howto[]): New static const array.
 795         (AArch64_relocate_functions): New class.
 796         (Target_aarch64::Scan::get_reference_flags): Remove method.
 797         (Target_aarch64::Scan::local): Implement to support a few relocations.
 798         (Target_aarch64::Scan::global): Implement to support a few relocations.
 799         (Target_aarch64::make_plt_section): Implement contents.
 800         (Target_aarch64::make_plt_entry): Implement contents.
 801         (Target_aarch64::do_finalize_sections): Implement contents.
 802         (Target_aarch64::Relocate::relocate): Implement a few relocations.
 803         (Target_aarch64::relocate_section): Implement contents.
 804
 805 2014-08-06  Alan Modra  <amodra@gmail.com>
 806
 807         * testsuite/defsym_test.sh: Allow ppc64le localentry annotation.
 808
 809 2014-08-06  Alan Modra  <amodra@gmail.com>
 810
 811         PR 13227
 812         * symtab.cc (Symbol_table::add_from_relobj): Warn on __gnu_lto_slim.
 813
 814 2014-07-21  Sriraman Tallam  <tmsriram@google.com>
 815
 816         * object.cc (Relobj::is_section_name_included): Add
 817         ".rodata.nptl_version" to not garbage collect this section.
 818
 819 2014-07-08  Cary Coutant  <ccoutant@google.com>
 820
 821         * expression.cc (struct Expression::Expression_eval_info): Add
 822         new fields type_pointer, vis_pointer, and nonvis_pointer.
 823         (Expression::eval_maybe_dot): Add type_pointer, vis_pointer, and
 824         nonvis_pointer parameters. Adjust all calls.
 825         (Symbol_expression::value): Update type, visibility, and nonvis bits
 826         in caller.
 827         * script.cc (Symbol_assignment::sized_finalize): Update type,
 828         visibility, and remaining st_other bits for new symbol.
 829         * script.h: (Expression::eval_maybe_dot): Add type_pointer,
 830         vis_pointer, and nonvis_pointer parameters.
 831         * symtab.h (Symbol::set_type): New method.
 832
 833         * testsuite/Makefile.am (defsym_test): New test.
 834         * testsuite/Makefile.in: Regenerate.
 835         * testsuite/defsym_test.c: New file.
 836         * testsuite/defsym_test.sh: New file.
 837
 838 2014-07-08  Cary Coutant  <ccoutant@google.com>
 839
 840         PR gold/15639
 841         * dynobj.h (Sized_dynobj::base_read_symbols): New method.
 842         * dynobj.cc (Sized_dynobj::do_read_symbols): Move body to...
 843         (Sized_dynobj::base_read_symbols): ...new method.
 844         * object.h (Sized_relobj_file::base_read_symbols): New method.
 845         * object.cc (Sized_relobj_file::do_read_symbols): Move body to...
 846         (Sized_relobj_file::base_read_symbols): ...new method.
 847         * arm.cc (Arm_relobj::do_read_symbols): Call base_read_symbols.
 848         * mips.cc: (Mips_relobj::do_read_symbols): Likewise.
 849         * powerpc.cc (Powerpc_dynobj::do_read_symbols): Likewise.
 850
 851 2014-07-04  Alan Modra  <amodra@gmail.com>
 852
 853         * po/POTFILES.in: Regenerate.
 854
 855 2014-07-02  Jing Yu  <jingyu@google.com>
 856
 857         * aarch64.cc: New file
 858         * Makefile.am (TARGETSOURCES): Add aarch64.cc
 859         (ALL_TARGETOBJS): Add aarch64.$(OBJEXT)
 860         * Makefile.in: Regenerate.
 861         * configure.tgt: Add entries for aarch64*.
 862         * configure.ac:  Likewise.
 863         * configure: Likewise.
 864
 865 2014-06-27  Alan Modra  <amodra@gmail.com>
 866
 867         * symtab.cc (Symbol::should_add_dynsym_entry): Don't make inline.
 868
 869 2014-06-24  Cary Coutant  <ccoutant@google.com>
 870
 871         * dwp.cc (Dwo_file::read): Allow files with no .debug_types
 872         sections.
 873         (Dwo_file::sized_read_unit_index): Likewise.
 874
 875 2014-06-23  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 876
 877         * mips.cc: New file.
 878         * Makefile.am (TARGETSOURCES): Add mips.cc
 879         (ALL_TARGETOBJS): Add mips.$(OBJEXT)
 880         * configure.tgt: Add entries for mips*.
 881         * configure.ac: Likewise.
 882         * Makefile.in: Regenerate.
 883         * configure: Likewise.
 884
 885 2014-06-09  Cary Coutant  <ccoutant@google.com>
 886
 887         * dwarf_reader.cc (Dwarf_pubnames_table::read_header): Check that
 888         unit_length is within section bounds.
 889
 890 2014-06-09  Cary Coutant  <ccoutant@google.com>
 891
 892         PR gold/16980
 893         * layout.cc (Layout::print_to_mapfile): Print unattached sections in
 894         map.
 895
 896 2014-06-07  Alan Modra  <amodra@gmail.com>
 897
 898         * powerpc.cc (relocate): Treat field of cmpli insn as a bitfield.
 899
 900 2014-06-06  Cary Coutant  <ccoutant@google.com>
 901
 902         * dwarf_reader.h (Dwarf_pubnames_table): Remove output_section_offset_.
 903         * dwarf_reader.cc (Dwarf_pubnames_table::read_section): Likewise.
 904         (Dwarf_pubnames_table::read_header): Likewise.
 905         * layout.cc (gdb_fast_lookup_sections): Add .debug_gnu_pubnames and
 906         .debug_gnu_pubtypes.
 907
 908 2014-06-05  Joel Brobecker  <brobecker@adacore.com>
 909
 910         * Makefile.am (CONFIG_STATUS_DEPENDENCIES): New.
 911         * Makefile.in, configure: Regenerate.
 912
 913 2014-06-03  Alan Modra  <amodra@gmail.com>
 914
 915         * powerpc.cc (addis_12_2): Define.
 916         (Stub_table::do_write): Support fusion on ELFv2 stubs.
 917
 918 2014-06-03  Alan Modra  <amodra@gmail.com>
 919
 920         * testsuite/plugin_test.c (parse_readelf_line): Skip non-visibility
 921         st_other output.
 922
 923 2014-06-02  Alan Modra  <amodra@gmail.com>
 924
 925         * powerpc.cc (Target_powerpc::local_reloc_may_be_function_pointer):
 926         Only ignore relocs on ELFv1.
 927         (Target_powerpc::global_reloc_may_be_function_pointer): Likewise.
 928
 929 2014-05-30  Cary Coutant  <ccoutant@google.com>
 930
 931         * testsuite/Makefile.am (ehdr_start_test_4): Fix typo in -B option.
 932         * testsuite/Makefile.in: Regenerate.
 933         * testsuite/ehdr_start_test_4.sh: Look for "U" instead of "w".
 934
 935 2014-05-27  H.J. Lu  <hongjiu.lu@intel.com>
 936
 937         PR gold/16945
 938         * x86_64.cc (Target_x86_64::Relocate::relocate): Use signed int
 939         for got_offset.  Properly get GOT address for R_X86_64_PLTOFF64.
 940
 941 2014-05-15  Alan Modra  <amodra@gmail.com>
 942
 943         * powerpc.cc (do_plt_fde_location): Handle zero length .glink.
 944         Compare FDE contents with DW_CFA_nop rather than 0.
 945
 946 2014-05-13  Sriraman Tallam  <tmsriram@google.com>
 947
 948         * symtab.h (may_need_copy_reloc): Remove check for position independent
 949         code.
 950         * x86_64.cc (Target_x86_64<size>::Scan::global): Add check for no
 951         position independence before pc absolute may_need_copy_reloc call.
 952         Add check for executable output befor pc relative may_need_copy_reloc
 953         call.
 954         * i386.cc: Ditto.
 955         * arm.cc: Ditto.
 956         * sparc.cc: Ditto.
 957         * tilegx.cc: Ditto.
 958         * powerpc.cc: Add check for no position independence before
 959         may_need_copy_reloc calls.
 960         * testsuite/pie_copyrelocs_test.cc: New file.
 961         * testsuite/pie_copyrelocs_shared_test.cc: New file.
 962         * Makefile.am (pie_copyrelocs_test): New test.
 963         * Makefile.in: Regenerate.
 964
 965 2014-05-08  Martin Liška  <mliska@suse.cz>
 966
 967         * output.cc (Sized_relobj_file::do_layout): Fix typo in info message.
 968
 969 2014-05-06  Cary Coutant  <ccoutant@google.com>
 970
 971         PR gold/16900
 972         * i386.cc (Output_data_got_plt_i386): New class.
 973         (Output_data_plt_i386::Output_data_plt_i386): Change type of got_plt
 974         parameter. Change all callers.
 975         (Output_data_plt_i386::layout_): Remove.
 976         (Output_data_plt_i386::got_plt_): Change type.
 977         (Target_i386::got_plt_): Change type. Change all references.
 978         (Target_i386::got_section): Create instance of new class.
 979         (Output_data_got_plt_i386::do_write): New function.
 980         * x86_64.cc (Output_data_got_plt_x86_64): New class.
 981         (Output_data_plt_x86_64::Output_data_plt_x86_64): Change type of got_plt
 982         parameter. Change all callers.
 983         (Output_data_plt_x86_64::layout_): Remove.
 984         (Output_data_plt_x86_64::got_plt_): Change type.
 985         (Target_x86_64::got_plt_): Change type. Change all references.
 986         (Target_x86_64::got_section): Create instance of new class.
 987         (Output_data_got_plt_x86_64::do_write): New function.
 988         (Output_data_plt_x86_64::do_write): Don't write reserved words in GOT.
 989         (Target_x86_64<size>::init_got_plt_for_update): Create instance of new
 990         class.
 991
 992 2014-05-05  Cary Coutant  <ccoutant@google.com>
 993
 994         * gdb-index.cc (Gdb_index_info_reader): Don't complain about language
 995         if we have pubnames/pubtypes.
 996
 997 2014-05-02  Cary Coutant  <ccoutant@google.com>
 998
 999         * defstd.cc (in_segment): Define __ehdr_start here...
1000         * layout.cc (Layout::finalize): ...Instead of here.  Set the
1001         output segment when known.
1002         * resolve.cc (Symbol::override_base_with_special): Remember
1003         the original binding.
1004         * symtab.cc (Symbol::set_output_segment): New function.
1005         (Symbol::set_undefined): New function.
1006         * symtab.h (Symbol::is_weak_undefined): Check original undef
1007         binding.
1008         (Symbol::is_strong_undefined): New function.
1009         (Symbol::set_output_segment): New function.
1010         (Symbol::set_undefined): New function.
1011         * target-reloc.h (is_strong_undefined): Remove.
1012         (issue_undefined_symbol_error): Call Symbol::is_weak_undefined.
1013         Check for hidden undefs.
1014         (relocate_section): Call Symbol::is_strong_undefined.
1015
1016         * testsuite/Makefile.am (ehdr_start_test_1)
1017         (ehdr_start_test_2, ehdr_start_test_3)
1018         (ehdr_start_test_4, ehdr_start_test_5): New test cases.
1019         * testsuite/Makefile.in: Regenerate.
1020         * testsuite/ehdr_start_def.cc: New source file.
1021         * testsuite/ehdr_start_test.cc: New source file.
1022         * testsuite/ehdr_start_test.t: New linker script.
1023         * testsuite/ehdr_start_test_4.sh: New shell script.
1024
1025 2014-04-23  Cary Coutant  <ccoutant@google.com>
1026
1027         PR gold/16870
1028         * x86_64.cc (Target_x86_64::Relocate::relocate): Add missing break.
1029
1030 2014-04-15  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
1031
1032         * layout.cc (Layout::include_section): Allow a target to decide
1033         whether to include a section.
1034         * target.h (Target::should_include_section): New function.
1035         (Target::do_should_include_section): New function.
1036
1037 2014-04-15  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
1038
1039         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Remove and
1040         inline into ...
1041         (Copy_relocs::emit): ... here.
1042         * copy-relocs.h (Copy_reloc_entry): Change from class to struct.
1043         (Copy_reloc_entry::make_copy_reloc): Change from private to protected.
1044         (Copy_reloc_entry::entries_): Change from private to protected.
1045
1046 2014-04-02  Sriraman Tallam  <tmsriram@google.com>
1047
1048         * icf.cc (get_section_contents): Replace copies of reloc
1049         vectors with const references.
1050
1051 2014-04-02  Cary Coutant  <ccoutant@google.com>
1052
1053         * configure.ac (HAVE_PUBNAMES): Use C instead of C++.
1054         (HAVE_NO_USE_LINKER_PLUGIN): Check for -fno-use-linker-plugin.
1055         * configure: Regenerate.
1056         * testsuite/Makefile.am (OPT_NO_PLUGINS): New macro for
1057         -fno-use-linker-plugin.
1058         (LINK1, CXXLINK1): Add it to the link command.
1059         * testsuite/Makefile.in: Regenerate.
1060
1061 2014-03-12  Alan Modra  <amodra@gmail.com>
1062
1063         * Makefile.in: Regenerate.
1064
1065 2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
1066
1067         * symtab.h (Symbol::set_nonvis): New function.
1068
1069 2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
1070
1071         * symtab.cc (Sized_symbol<32>::init_output_data):
1072         Instantiate the template.
1073         (Sized_symbol<64>::init_output_data): Likewise.
1074
1075 2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
1076
1077         * symtab.cc (Symbol_table::sized_write_globals): Allow a target to
1078         adjust dynamic symbol value.
1079         * target.h (Target::adjust_dyn_symbol): New function.
1080         (Target::do_adjust_dyn_symbol): New function.
1081
1082 2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
1083
1084         * output.cc (Output_data_dynamic::Dynamic_entry::write):
1085         Get the value of DYNAMIC_CUSTOM dynamic entry.
1086         * output.h (Output_data_dynamic::add_custom): New function.
1087         (Dynamic_entry::Dynamic_entry): New constructor for DYNAMIC_CUSTOM
1088         dynamic entry.
1089         (enum Dynamic_entry::Classification): Add DYNAMIC_CUSTOM.
1090         * target.h (Target::dynamic_tag_custom_value): New function.
1091         (Target::do_dynamic_tag_custom_value): New function.
1092
1093 2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
1094
1095         * symtab.cc (Symbol_table::set_dynsym_indexes): Allow a target to set
1096         dynsym indexes.
1097         * target.h (Target::has_custom_set_dynsym_indexes): New function.
1098         (Target::do_has_custom_set_dynsym_indexes): New function.
1099         (Target::set_dynsym_indexes): New function.
1100         (Target::do_set_dynsym_indexes): New function.
1101
1102 2014-03-07  Alan Modra  <amodra@gmail.com>
1103
1104         * powerpc.cc (Powerpc_relocate_functions::Overflow_check): Add
1105         CHECK_UNSIGNED, CHECK_LOW_INSN, CHECK_HIGH_INSN.
1106         (Powerpc_relocate_functions::has_overflow_unsigned): New function.
1107         (Powerpc_relocate_functions::has_overflow_bitfield,
1108         overflowed): Use the above.
1109         (Target_powerpc::Relocate::relocate): Correct overflow checking
1110         for a number of relocations.  Modify overflow test for 16-bit
1111         fields in instructions to signed/unsigned according to whether
1112         the field takes a signed or unsigned value.
1113
1114 2014-03-05  Alan Modra  <amodra@gmail.com>
1115
1116         Update copyright years.
1117
1118 2014-03-05  Alan Modra  <amodra@gmail.com>
1119
1120         * powerpc.cc (Target_powerpc::Scan::local, global): Support
1121         R_PPC64_ADDR64_LOCAL.
1122         (Target_powerpc::Relocate::relocate): Likewise.
1123
1124 2014-03-03  Alan Modra  <amodra@gmail.com>
1125
1126         * dwp.cc (print_version): Update copyright year to current.
1127
1128 2014-02-10  Alan Modra  <amodra@gmail.com>
1129
1130         * po/gold.pot: Regenerate.
1131
1132 2014-02-06  Cary Coutant  <ccoutant@google.com>
1133
1134         Fix problem where -u is ignored when a weak undef is seen.
1135
1136         * archive.cc (Library_base::should_include_member): Reorder
1137         code to check for -u option if a weak undef has already been seen.
1138         * testsuite/Makefile.am (weak_undef_test_2): New test case.
1139         * testsuite/Makefile.in: Regenerate.
1140         * testsuite/weak_undef_file3.cc: New file.
1141         * testsuite/weak_undef_file4.cc: New file.
1142         * testsuite/weak_undef_test_2.cc: New file.
1143
1144 2014-02-05  Cary Coutant  <ccoutant@google.com>
1145
1146         Fix issues with gold undefined symbol diagnostics.
1147
1148         PR binutils/15435
1149         * errors.cc (Errors::undefined_symbol): Move undef vtable symbol
1150         check to here.
1151         * target-reloc.h (is_strong_undefined): New function.
1152         (relocate_section): Move undef vtable symbol check from here.
1153         Check for is_strong_undefined.
1154
1155 2014-02-05  Cary Coutant  <ccoutant@google.com>
1156
1157         Fix problems with the --dynamic-list option.
1158
1159         PR gold/13577
1160         * options.cc (General_options::parse_dynamic_list):
1161         Set have_dynamic_list_.
1162         (General_options::General_options): Initialize have_dynamic_list_.
1163         (General_options::finalize): Turn off -Bsymbolic and
1164         -Bsymbolic-functions if --dynamic-list provided.
1165         * options.h (General_options::have_dynamic_list): New function.
1166         (General_options::have_dynamic_list_): New data member.
1167         * symtab.h (Symbol::is_preemptible): Handle --dynamic-list
1168         correctly.
1169
1170         PR gold/16530
1171         * symtab.cc (Symbol_table::add_from_relobj): If symbol is named
1172         in --dynamic-list, mark it.
1173
1174         * testsuite/Makefile.am (gc_dynamic_list_test.sh): New test case.
1175         (dynamic_list_2): New test case.
1176         * testsuite/Makefile.in: Regenerate.
1177         * testsuite/dynamic_list_2.cc: New file.
1178         * testsuite/dynamic_list_2.t: New file.
1179         * testsuite/dynamic_list_lib1.cc: New file.
1180         * testsuite/dynamic_list_lib2.cc: New file.
1181         * testsuite/gc_dynamic_list_test.c: New file.
1182         * testsuite/gc_dynamic_list_test.sh: New file.
1183         * testsuite/gc_dynamic_list_test.t: New file.
1184
1185 2014-01-28  Cary Coutant  <ccoutant@google.com>
1186
1187         Add .gdb_index version 7 support.
1188
1189         * gold/dwarf_reader.cc: include <utility> (for make_pair).
1190         (Dwarf_abbrev_table::do_read_abbrevs): Check for compressed
1191         debug sections.
1192         (Dwarf_ranges_table::read_ranges_table): Likewise.
1193         (Dwarf_pubnames_table::read_section): Check for GNU-style
1194         sections, and for compressed debug sections.
1195         (Dwarf_pubnames_table::read_header): Compute end address of table.
1196         (Dwarf_pubnames_table::next_name): Return flag_byte.  Check
1197         for end of list by offset, not by offset == 0.
1198         (Dwarf_info_reader::do_read_string_table): Check for compressed
1199         debug sections.
1200         * gold/dwarf_reader.h (Dwarf_pubnames_table::Dwarf_pubnames_table):
1201         Initialize new data members.
1202         (Dwarf_pubnames_table::next_name): return flag_byte.
1203         (Dwarf_pubnames_table::end_of_table_): New data member.
1204         (Dwarf_pubnames_table::is_gnu_style_): New data member.
1205         * gold/gdb-index.cc (gdb_index_version): Update to version 7.
1206         (Gdb_index_info_reader::read_pubtable): Read flag_byte.
1207         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Don't
1208         read skeleton type unit DIEs.
1209         (Gdb_index::add_symbol): Add flag_byte; adjust all callers.
1210         (Gdb_index::do_write): Write flag_byte.
1211         * gold/gdb-index.h (Gdb_index::add_symbol): Add flags parameter.
1212         (Gdb_index::Cu_vector): Store flags along with cu indexes.
1213         * gold/testsuite/gdb_index_test_3.sh: Allow versions 4-7.
1214         * gold/testsuite/gdb_index_test_comm.sh: Likewise.
1215
1216 2014-01-08  H.J. Lu  <hongjiu.lu@intel.com>
1217
1218         * version.cc (print_version): Update copyright year to 2014.
1219
1220 2013-12-19  Dimitry Andric  <dimitry@andric.com>
1221
1222         * stringpool.cc (Stringpool_template::reserve): Add
1223         HAVE_UNORDERED_MAP case.
1224         * stringpool.cc (Stringpool_template::print_stats): Likewise.
1225
1226 2013-12-18  Cary Coutant  <ccoutant@google.com>
1227
1228         * configure.ac: Check for <unordered_set> and <unordered_map>.
1229         * config.in: Regenerate.
1230         * configure: Regenerate.
1231         * system.h: Use <unordered_set> and <unordered_map> if available.
1232
1233 2013-12-10  Roland McGrath  <mcgrathr@google.com>
1234
1235         * Makefile.am (install-exec-local): Prefix $(INSTALL_PROGRAM) uses
1236         with $(INSTALL_PROGRAM_ENV).
1237         * Makefile.in: Regenerate.
1238
1239 2013-11-22  Cary Coutant  <ccoutant@google.com>
1240
1241         * configure.ac: Add check for which library is needed for
1242         dlopen.
1243         * configure: Regenerate.
1244
1245 2013-11-22  Cary Coutant  <ccoutant@google.com>
1246
1247         * testsuite/Makefile.am (exception_x86_64_bnd_test): Use in-tree
1248         assembler.
1249         * testsuite/Makefile.in: Regenerate.
1250
1251 2013-11-17  H.J. Lu  <hongjiu.lu@intel.com>
1252
1253         * x86_64.cc (Target_x86_64<size>::Scan::get_reference_flags):
1254         Handle R_X86_64_PC32_BND and R_X86_64_PLT32_BND just like
1255         R_X86_64_PC32 and R_X86_64_PLT32, respectively.
1256         (Target_x86_64<size>::Scan::local): Likewise.
1257         (Target_x86_64<size>::Scan::global): Likewise.
1258         (Target_x86_64<size>::Relocate::relocate): Likewise.
1259         (Target_x86_64<size>::Relocatable_size_for_reloc::get_size_for_reloc):
1260         Likewise.
1261         (Target_x86_64<size>::Scan::check_non_pic(): Handle
1262         R_X86_64_PC32_BND.
1263
1264         * testsuite/Makefile.am (check_PROGRAMS): Add
1265         exception_x86_64_bnd_test.
1266         (exception_x86_64_bnd_test_SOURCES): New macro.
1267         (exception_x86_64_bnd_test_DEPENDENCIES): Likewise.
1268         (exception_x86_64_bnd_test_LDFLAGS): Likewise.
1269         (exception_x86_64_bnd_test_LDADD): Likewise.
1270         (exception_x86_64_bnd_1.o): New rule.
1271         (exception_x86_64_bnd_2.o): Likewise.
1272         * testsuite/Makefile.in: Regenerated.
1273
1274 2013-11-15  Alan Modra  <amodra@gmail.com>
1275
1276         * powerpc.cc (Target_powerpc::glink_section): Provide non-const
1277         accessor.
1278         (Target_powerpc::Branch_info::make_stub): Make global entry stubs.
1279         Only call ppc64_local_entry_offset for 64-bit.  Restrict
1280         symval_for_branch lookup to ELFv1.
1281         (Stub_table::add_plt_call_entry): Use unsigned int off.
1282         (Output_data_glink::Address, invalid_address): New.
1283         (Output_data_glink::add_eh_frame): Move out of line.  Add
1284         support for ELFv2.
1285         (Output_data_glink::add_global_entry, find_global_entry,
1286         global_entry_address): New functions.
1287         (Output_data_glink::global_entry_stubs_, end_branch_table_,
1288         ge_size): New variables.
1289         (Output_data_glink::set_final_data_size): Add global entry
1290         stub sizing.
1291         (Output_data_glink::do_write): Write global entry stubs.
1292         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Add target
1293         parameter.  Return true for ELFv2.  Adjust callers.
1294         (Target_powerpc::Scan::local, global): Restrict opd lookup to
1295         ELFv1.  Similarly for ifunc and dynamic relocation processing
1296         specific to ELFv1.  Recognize that symbols are defined on
1297         their plt entries for ELFv2.
1298         (Target_powerpc::symval_for_branch): Assert if called for
1299         ELFv2 or ppc32.
1300         (Target_powerpc::Relocate::relocate): Use global entry plt
1301         stub for symbol value if such exists on ELFv2.
1302         (Target_powerpc::Relocate::relocate): Don't call
1303         symval_for_branch when ELFv2.  Do adjust for local entry
1304         offset when ELFv2.
1305         (Target_powerpc::do_dynsym_value): Set symbols to global entry
1306         plt stub for ELFv2.
1307         (Target_powerpc::do_plt_address_for_global): Similarly.
1308
1309 2013-11-14  Cary Coutant  <ccoutant@google.com>
1310
1311         Revert patch -- this did not fix the problem, and there is
1312         no race there.
1313
1314         2013-11-14  Cary Coutant  <ccoutant@google.com>
1315
1316             PR gold/14860
1317             * ehframe.cc (Eh_frame_hdr::Eh_frame_hdr): Initialize lock_.
1318             (Ehframe_hdr::set_final_data_size): Allocate a Lock.
1319             * ehframe.h (Eh_frame_hdr::record_fde): Hold the lock while
1320             updating fde_offsets_.
1321             (Eh_frame_hdr::lock_): New data member.
1322
1323 2013-11-14  Cary Coutant  <ccoutant@google.com>
1324
1325         * dwp.cc (Dwo_file_entry): New type.
1326         (File_list): Use Dwo_file_entry.
1327         (Dwo_file::verify): New function.
1328         (Dwo_file::verify_dwo_list): New function.
1329         (Dwo_file::sized_verify_dwo_list): New function.
1330         (Dwo_name_info_reader::visit_compilation_unit): Add dwo_id to file
1331         list.
1332         (Dwp_options): New enum type.
1333         (dwp_options): Add --verify-only.
1334         (usage): Likewise.
1335         (main): Likewise.
1336         * dwp.h (gold_info): Add declaration.
1337
1338 2013-11-14  Cary Coutant  <ccoutant@google.com>
1339
1340         PR gold/14860
1341         * ehframe.cc (Eh_frame_hdr::Eh_frame_hdr): Initialize lock_.
1342         (Ehframe_hdr::set_final_data_size): Allocate a Lock.
1343         * ehframe.h (Eh_frame_hdr::record_fde): Hold the lock while
1344         updating fde_offsets_.
1345         (Eh_frame_hdr::lock_): New data member.
1346
1347 2013-11-06  Cary Coutant  <ccoutant@google.com>
1348
1349         PR gold/15758
1350         * object.cc (Sized_relobj_file::do_layout): Handle .eh_frame sections
1351         before reloc sections.
1352
1353 2013-11-04  Alan Modra  <amodra@gmail.com>
1354
1355         * symtab.h (Symbol::Reference_flags): Add FUNC_DESC_ABI.
1356         (Symbol::needs_dynamic_reloc): Test new flag.
1357         * powerpc.cc (needs_dynamic_reloc, use_plt_offset): Delete.
1358         (Target_powerpc::Scan::get_reference_flags): Add target param.
1359         Return FUNC_DESC_ABI for 64-bit ELFv1.
1360         (Target_powerpc::Branch_info::make_stub): Adjust get_reference_flags
1361         call.
1362         (Target_powerpc::Scan::global): Use Symbol::needs_dynamic_reloc.
1363         (Target_powerpc::Relocate::relocate): Use Symbol::use_plt_offset.
1364
1365 2013-10-31  Cary Coutant  <ccoutant@google.com>
1366
1367         Restore support for dwp v2 DWARF package file format.
1368
1369         * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
1370         tu_length parameter.  Adjust all callers.
1371         * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
1372         * dwp.cc: Include dwarf.h.
1373         (Section_bounds): New struct type.
1374         (Unit_set): New struct type.
1375         (Dwo_file::Dwo_file): Initialize new data member.
1376         (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
1377         Combine and rename to...
1378         (Dwo_file::read_unit_index): ...this.
1379         (Dwo_file::sized_read_compunit_index)
1380         (Dwo_file::sized_read_typeunit_index): Combine and rename to...
1381         (Dwo_file::sized_read_unit_index): ...this.
1382         (Dwo_file::copy_section): Remove section_name, is_str_offsets
1383         parameters; add section_id parameter.
1384         (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
1385         (Dwo_file::add_unit_set): ...this.
1386         (Dwo_file::shndx_map_): Remove.
1387         (Dwo_file::sect_offsets_): New data member.
1388         (Dwp_output_file::Dwp_output_file): Initialize new data members.
1389         (Dwp_output_file::add_section): Rename to...
1390         (Dwp_output_file::add_contribution): ...this.
1391         (Dwp_output_file::add_cu_set): Combine parameters into a struct.
1392         (Dwp_output_file::add_tu_set): Likewise.
1393         (Dwp_output_file::Contribution): New type.
1394         (Dwp_output_file::Section::contributions): New data member.
1395         (Dwp_output_file::Cu_or_tu_set): Remove.
1396         (Dwp_output_file::Section::Section): New ctor.
1397         (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
1398         (Dwp_output_file::Dwp_index::Section_table): New type.
1399         (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
1400         (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
1401         parameter.
1402         (Dwp_output_file::Dwp_index::shndx_pool): Remove.
1403         (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
1404         (Dwp_output_file::Dwp_index::section_table): New member function.
1405         (Dwp_output_file::Dwp_index::section_table_end): New member function.
1406         (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
1407         (Dwp_output_file::Dwp_index::section_table_rows): New member function.
1408         (Dwp_output_file::Dwp_index::section_table_cols): New member function.
1409         (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
1410         (Dwp_output_file::Dwp_index::section_table_): New data member.
1411         (Dwp_output_file::Dwp_index::section_mask_): New data member.
1412         (Dwp_output_file::add_output_section): New member function.
1413         (Dwp_output_file::write_new_section): New member function.
1414         (Dwp_output_file::write_contributions): New member function.
1415         (Dwp_output_file::section_id_map_): New data member.
1416         (class Dwo_id_info_reader): Remove.
1417         (class Unit_reader): New class.
1418         (get_dwarf_section_name): New function.
1419         (Dwo_file::read_executable): Adjust initializations of class data.
1420         (Dwo_file::read): Add support for v2 package file format.
1421         (Dwo_file::read_unit_index): Likewise.
1422         (Dwo_file::sized_read_unit_index): Likewise.
1423         (Dwo_file::copy_section): Likewise.
1424         (Dwo_file::add_unit_set): Likewise.
1425         (Dwp_output_file::add_output_section): Likewise.
1426         (Dwp_output_file::add_contribution): Likewise.
1427         (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
1428         for empty slot.
1429         (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
1430         file format.
1431         (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
1432         slot.
1433         (Dwp_output_file::initialize): Remove unused function.
1434         (Dwp_output_file::finalize): Add support for v2 package file format.
1435         (Dwp_output_file::write_index): Likewise.
1436         * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
1437         function prototype.
1438
1439 2013-10-31  Cary Coutant  <ccoutant@google.com>
1440
1441         * configure.ac: Fix check for -fmerge-constants.
1442         * configure.ac: Regenerate.
1443
1444 2013-10-30  Roland McGrath  <mcgrathr@google.com>
1445
1446         * x86_64.cc (Output_data_plt_x86_64_nacl::first_plt_entry):
1447         Correct 9-byte nop sequence to match what the assembler generates.
1448
1449 2013-10-30  Alan Modra  <amodra@gmail.com>
1450
1451         * powerpc.cc (Powerpc_relobj::abiversion, set_abiversion,
1452         ppc64_local_entry_offset, ppc64_local_entry_offset,
1453         do_read_symbols): New functions.
1454         (Powerpc_relobj::e_flags_, st_other_): New vars.
1455         (Powerpc_relobj::Powerpc_relobj): Call set_abiversion.
1456         (Powerpc_dynobj::abiversion, set_abiversion): New functions.
1457         (Powerpc_relobj::e_flags_): New var.
1458         (Target_powerpc::first_plt_entry_offset, plt_entry_size): Inline
1459         and adjust for ELFv2.
1460         (Target_powerpc::abiversion, set_abiversion, stk_toc): New functions.
1461         (Powerpc_relobj::do_find_special_sections): Check no .opd in ELFv2.
1462         (Powerpc_dynobj::do_find_special_sections): Likewise.
1463         (Target_powerpc::do_define_standard_symbols): Define ".TOC.".
1464         (Target_powerpc::Branch_info::make_stub): Adjust stub destination
1465         to ELFv2 local entry.
1466         (Target_powerpc::do_relax): No thread safe barriers needed for
1467         ELFv2.
1468         (Output_data_plt_powerpc::initial_plt_entry_size_,
1469         plt_entry_size): Delete.  Replace all uses with
1470         first_plt_entry_offset() and plt_entry_size().
1471         (Output_data_plt_powerpc::Output_data_plt_powerpc): Remove
1472         reserved_size parm.  Update callers.
1473         (Output_data_plt_powerpc::entry_count): Update.
1474         (Output_data_plt_powerpc::first_plt_entry_offset): Make private
1475         and use Target_powerpc::first_plt_entry_offset().
1476         (Output_data_plt_powerpc::get_plt_entry_size): Similarly and
1477         rename to plt_entry_size.
1478         (Output_data_plt_powerpc::add_ifunc_entry,
1479         add_local_ifunc_entry): Adjust reloc for ELFv2.
1480         (glink_eh_frame_fde_64): Rename to glink_eh_frame_fde_64v1.
1481         (glink_eh_frame_fde_64v2): New.
1482         (Stub_table::plt_call_size): Support ELFv2 sizing.
1483         (Output_data_glink::add_eh_frame): Use the new FDE.
1484         (Output_data_glink::set_final_data_size): Adjust for ELFv2 glink.
1485         (Stub_table::do_write): Write ELFv2 stubs and glink.
1486         (Target_powerpc::Relocate::relocate): Replaces nop after call
1487         with ld 2,24(1) and adjust local offset destination for ELFv2.
1488
1489 2013-10-30  Alan Modra  <amodra@gmail.com>
1490
1491         * powerpc.cc (Target_powerpc::Scan::check_non_pic): Handle new relocs.
1492         (Target_powerpc::Scan::global, local): Likewise.
1493         (Target_powerpc::Relocate::relocate): Likewise.  Check for overflow
1494         on all ppc64 @h and @ha relocs.
1495
1496 2013-10-14  Alan Modra  <amodra@gmail.com>
1497
1498         * output.h (Output_data_got::add_constant): Tidy.
1499         (Output_data_got::add_constant_pair): New function.
1500         * powerpc.cc (Output_data_got_powerpc): Override all Output_data_got
1501         methods used so as to first call reserve_ent().
1502
1503 2013-10-11  Roland McGrath  <mcgrathr@google.com>
1504
1505         * powerpc.cc (Output_data_got_powerpc): Remove unused methods
1506         add_got_entry and add_got_entry_pair.
1507
1508         * configure.ac (TLS_GNU2_DIALECT): Use -Werror in test.
1509         (HAVE_PUBNAMES): Likewise.
1510         * configure: Regenerate.
1511
1512         * testsuite/Makefile.am: Replace '-T foo' with '-Wl,-T,foo' throughout.
1513         * testsuite/Makefile.in: Regenerate.
1514
1515         * target.h (Target::adjust_elf_header, Target::do_adjust_elf_header):
1516         Remove const from declaration.
1517         * target.cc (Sized_target::do_adjust_elf_header): Update definition.
1518         * sparc.cc (Target_sparc::do_adjust_elf_header): Likewise.
1519         * output.h (Output_file_header): Remove const from member target_
1520         and corresponding constructor argument.
1521         * output.cc (Output_file_header::Output_file_header): Update prototype.
1522         (Output_file_header::do_sized_write): Use this->target_ in place
1523         of parameters()->target().
1524
1525         * testsuite/undef_symbol.cc (Foo::get_a): New method.
1526
1527         * configure.ac (MERGE_CONSTANTS_FLAG): New check.
1528         * configure: Regenerate.
1529         * Makefile.in: Regenerate.
1530         * testsuite/merge_string_literals_1.c: Renamed to have .cc suffix.
1531         * testsuite/merge_string_literals_2.c: Likewise.
1532         * testsuite/Makefile.am
1533         (merge_string_literals_1.o, merge_string_literals_2.o): Update deps.
1534         (AM_CFLAGS, AM_CXXFLAGS): Use $(MERGE_CONSTANTS_FLAG) in place of
1535         literal -fmerge-constants.
1536         * testsuite/Makefile.in: Regenerate.
1537
1538         * i386.cc (Target_i386): Remove unused member dynbss_.
1539         * arm.cc (Target_arm): Likewise.
1540         * powerpc.cc (Target_powerpc): Likewise.
1541         * sparc.cc (Target_sparc): Likewise.
1542         * tilegx.cc (Target_tilegx): Likewise.
1543         * x86_64.cc (Target_x86_64): Likewise.
1544         * dwarf_reader.h (Dwarf_info_reader): Remove unused members
1545         type_signature_, type_offset_.
1546         * plugin.h (Plugin_hook): Remove unused member layout_.
1547         * readsyms.h (Add_symbols): Remove unused members dirpath_, dirindex_,
1548         mapfile_.
1549         (Read_member): Remove unused members input_objects_, symtab_,
1550         mapfile_, layout_.
1551         (Check_library): Remove unused member symtab_.
1552         * archive.h (Lib_group): Remove unused member lib_.
1553         * archive.cc (Lib_group::Lib_group): Update initializer.
1554         * incremental.h (Incremental_binary): Remove unused member target_.
1555         (Incremental_script_entry): Removed unused member script_.
1556         * layout.h (Write_symbols_task): Remove unused member input_objects_.
1557         * icf.h (Icf): Remove unused member num_tracked_relocs.
1558
1559         * gold-threads.h (Once): Conditionalize member was_run_lock_ on
1560         [ENABLE_THREADS && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4], matching
1561         its only use.
1562         * gold-threads.cc (Once::Once): Likewise conditionalize initializer.
1563
1564         * archive.h: Use struct rather than class for forward declaration
1565         of Read_symbols_data.
1566
1567 2013-10-07  Cary Coutant  <ccoutant@google.com>
1568
1569         PR gold/16010
1570         * testsuite/Makefile.am (icf_test): Fix dependencies.
1571         (icf_safe_test): Likewise.
1572         (icf_safe_so_test): Likewise.
1573         (large_symbol_alignment): Add empty _LDADD rule.
1574         * testsuite/Makefile.in: Regenerate.
1575
1576 2013-09-03  Pavel Chupin  <pavel.v.chupin@intel.com>
1577
1578         PR gold/15927
1579         * x86_64.cc (Target_x86_64<size>::Scan::global): Use relative
1580         relocation for R_X86_64_32 on x32.
1581
1582 2013-08-27  Roland McGrath  <mcgrathr@google.com>
1583
1584         * output.cc (Output_segment::set_section_addresses): Take new
1585         Target* argument.  If target->isolate_execinstr() and the segment
1586         is executable and starts at a target->abi_pagesize() boundary,
1587         pad its end out to a target->abi_pagesize() boundary with code fill.
1588         * output.h (Output_segment::set_section_addresses): Update decl.
1589         * layout.h (Layout::check_output_data_for_reset_values): Take new
1590         argument RELAX_OUTPUTS.
1591         (Layout): New member relax_output_list_.
1592         (Layout::add_relax_output): New method.
1593         * layout.cc (Layout::Layout): Update constructor.
1594         (Layout::reset_relax_output): New method.
1595         (Layout::clean_up_after_relaxation): Call it.
1596         (Layout::prepare_for_relaxation): Update caller.
1597         (Layout::set_segment_offsets): Update callers of set_section_addresses.
1598         Call reset_relax_output before re-processing segments for
1599         isolate_execinstr case.
1600         (Layout::write_data): Handle relax_output_list_.
1601         (Layout::Relaxation_debug_check::check_output_data_for_reset_values):
1602         Take new argument RELAX_OUTPUTS.  Assert it's an empty collection.
1603
1604 2013-08-23  Yuri Chornoivan  <yurchor@ukr.net>
1605
1606         PR binutils/15834
1607         * object.h: Fix typos.
1608
1609 2013-08-16  Roland McGrath  <mcgrathr@google.com>
1610
1611         * i386.cc (Target_i386_nacl::do_code_fill): New virtual function.
1612         * x86_64.cc (Target_x86_64_nacl::do_code_fill): New virtual function.
1613
1614 2013-08-07  Cary Coutant  <ccoutant@google.com>
1615
1616         Revert support for v2 DWP files:
1617
1618         2013-03-01  Cary Coutant  <ccoutant@google.com>
1619
1620             Add dwp support for v2 DWARF package file format.
1621             * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
1622             tu_length parameter.  Adjust all callers.
1623             * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
1624             * dwp.cc: Include dwarf.h.
1625             (Section_bounds): New struct type.
1626             (Unit_set): New struct type.
1627             (Dwo_file::Dwo_file): Initialize new data member.
1628             (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
1629             Combine and rename to...
1630             (Dwo_file::read_unit_index): ...this.
1631             (Dwo_file::sized_read_compunit_index)
1632             (Dwo_file::sized_read_typeunit_index): Combine and rename to...
1633             (Dwo_file::sized_read_unit_index): ...this.
1634             (Dwo_file::copy_section): Remove section_name, is_str_offsets
1635             parameters; add section_id parameter.
1636             (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
1637             (Dwo_file::add_unit_set): ...this.
1638             (Dwo_file::shndx_map_): Remove.
1639             (Dwo_file::sect_offsets_): New data member.
1640             (Dwp_output_file::Dwp_output_file): Initialize new data members.
1641             (Dwp_output_file::add_section): Rename to...
1642             (Dwp_output_file::add_contribution): ...this.
1643             (Dwp_output_file::add_cu_set): Combine parameters into a struct.
1644             (Dwp_output_file::add_tu_set): Likewise.
1645             (Dwp_output_file::Contribution): New type.
1646             (Dwp_output_file::Section::contributions): New data member.
1647             (Dwp_output_file::Cu_or_tu_set): Remove.
1648             (Dwp_output_file::Section::Section): New ctor.
1649             (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
1650             (Dwp_output_file::Dwp_index::Section_table): New type.
1651             (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
1652             (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
1653             parameter.
1654             (Dwp_output_file::Dwp_index::shndx_pool): Remove.
1655             (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
1656             (Dwp_output_file::Dwp_index::section_table): New member function.
1657             (Dwp_output_file::Dwp_index::section_table_end): New member function.
1658             (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
1659             (Dwp_output_file::Dwp_index::section_table_rows): New member function.
1660             (Dwp_output_file::Dwp_index::section_table_cols): New member function.
1661             (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
1662             (Dwp_output_file::Dwp_index::section_table_): New data member.
1663             (Dwp_output_file::Dwp_index::section_mask_): New data member.
1664             (Dwp_output_file::add_output_section): New member function.
1665             (Dwp_output_file::write_new_section): New member function.
1666             (Dwp_output_file::write_contributions): New member function.
1667             (Dwp_output_file::section_id_map_): New data member.
1668             (class Dwo_id_info_reader): Remove.
1669             (class Unit_reader): New class.
1670             (get_dwarf_section_name): New function.
1671             (Dwo_file::read_executable): Adjust initializations of class data.
1672             (Dwo_file::read): Add support for v2 package file format.
1673             (Dwo_file::read_unit_index): Likewise.
1674             (Dwo_file::sized_read_unit_index): Likewise.
1675             (Dwo_file::copy_section): Likewise.
1676             (Dwo_file::add_unit_set): Likewise.
1677             (Dwp_output_file::add_output_section): Likewise.
1678             (Dwp_output_file::add_contribution): Likewise.
1679             (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
1680             for empty slot.
1681             (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
1682             file format.
1683             (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
1684             slot.
1685             (Dwp_output_file::initialize): Remove unused function.
1686             (Dwp_output_file::finalize): Add support for v2 package file format.
1687             (Dwp_output_file::write_index): Likewise.
1688             * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
1689             function prototype.
1690
1691 2013-07-31  Cary Coutant  <ccoutant@google.com>
1692
1693         * object.cc (Sized_relobj::do_output_section_address): New function.
1694         (Sized_relobj): Instantiate explicitly.
1695         * object.h (Object::output_section_address): New function.
1696         (Object::do_output_section_address): New function.
1697         (Sized_relobj::do_output_section_address): New function.
1698         * powerpc.cc (Target_powerpc::symval_for_branch): Use it.
1699
1700 2013-07-30  Cary Coutant  <ccoutant@google.com>
1701             Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
1702
1703         * parameters.cc (Parameters::entry): Return target-specific entry
1704         symbol name.
1705         * target.h (Target::entry_symbol_name): New function.
1706         (Target_info::entry_symbol_name): New data member.
1707
1708         * arm.cc (Target_arm::arm_info): Add entry_symbol_name.
1709         * i386.cc (Target_i386::i386_info): Likewise.
1710         (Target_i386_nacl::i386_nacl_info): Likewise.
1711         * sparc.cc (Target_sparc::sparc_info): Likewise.
1712         * tilegx.cc (Target_tilegx::tilegx_info): Likewise.
1713         * x86_64.cc: (Target_x86_64::x86_64_info) Likewise.
1714         (Target_x86_64_nacl::x86_64_nacl_info) Likewise.
1715         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
1716
1717 2013-07-22  Sterling Augustine  <saugustine@google.com>
1718
1719         * dwarf_reader.cc (Dwarf_pubnames_table::read_section):
1720         Convert parameter shndx to local variable. Add parameters symtab
1721         and symtab_size.  Scan over section names.  Find relocation
1722         section corresponding to current section.  Create and initialize
1723         reloc_mapper_ and reloc_type_.
1724         (Dwarf_pubnames_table::read_header):  Add assertion.  Change
1725         unit_length to off_t.  Initialize member unit_length_.  Fill in field
1726         cu_offset_.
1727         * dwarf_reader.h (Dwarf_pubnames_table::Dwarf_pubnames_table):
1728         Initialize new fields unit_length_ and cu_offset_.
1729         (Dwarf_pubnames_table::read_section): Update prototype.
1730         (Dwarf_pubnames_table::cu_offset): New member function.
1731         (Dwarf_pubnames_table::subsection_size): Likewise.
1732         (Dwarf_pubnames_table::cu_offset_, Dwarf_pubnames_table::unit_length):
1733         New fields.
1734         (Dwarf_info_reader::symtab, Dwarf_info_reader::symtab_size): Make
1735         member functions public.
1736         * gdb_index.cc (Gdb_index_info_reader::read_pubnames_and_pubtypes):
1737         Update comment.  Rework logic.  Move repeated parts to...
1738         (Gdb_index_info_reader::read_pubtable): ...here. New function.
1739         (Gdb_index::Gdb_index): Initialize new fields, pubnames_table_,
1740         pubtypes_table_, and stmt_list_offset.
1741         (Gdb_index::map_pubtable_to_dies, Gdb_index::find_pubname_offset,
1742         Gdb_index::find_pubtype_offset,
1743         Gdb_index::map_pubnames_and_types_to_dies): Define new functions.
1744         (Gdb_index::pubnames_read): Update prototype and rework logic.
1745         * gdb_index.h (Gdb_index_info_reader, Dwarf_pubnames_table):
1746         Forward declare.
1747         (Gdb_index::map_pubtable_to_dies, Gdb_index::find_pubname_offset,
1748         Gdb_index::find_pubtype_offset, Gdb_index::pubnames_table)
1749         Gdb_index::pubtypes_table, Gdb_index::map_pubnames_and_types_to_dies,
1750         Gdb_index::map_pubtable_to_dies):
1751         Declare functions.
1752         (Gdb_index::pubnames_read): Update declaration.
1753         (Gdb_index::Pubname_offset_map): New type.
1754         (Gdb_index::cu_pubname_map_, Gdb_index::cu_pubtype_map_,
1755         Gdb_index::pubnames_table_, Gdb_index::pubtypes_table_,
1756         Gdb_index::stmt_list_offset): Declare.
1757         (Gdb_index::pubnames_shndx_, Gdb_index::pubnames_offet_,
1758         Gdb_index::pubtypes_object_, Gdb_index::pubtypes_shndx_)
1759         Gdb_index::pubtypes_offset_): Remove.
1760
1761 2013-07-19  Roland McGrath  <mcgrathr@google.com>
1762
1763         * options.h (General_options): Add -Trodata-segment option.
1764         * parameters.cc (Parameters::check_rodata_segment): New function.
1765         (Parameters::set_target_once): Call it.
1766         * parameters.h (Parameters): Declare it (private member function).
1767         * layout.cc (load_seg_unusable_for_headers): New function, broken
1768         out of Layout::relaxation_loop_body.  If TARGET->isolate_execinstr()
1769         then validate rodata segment rather than text segment.
1770         (relaxation_loop_body): Call that.
1771         (is_text_segment): New function.  Don't admit a non-executable
1772         segment if TARGET->isolate_execinstr().
1773         (set_segment_offsets): Call it.  Honor -Trodata-segment option.
1774
1775 2013-07-15  Shawn Landden  <shawnlandden@gmail.com>
1776
1777         PR gold/15070
1778         * fileread.h (File_read::get_view): Clarify comment about ALIGNED.
1779         * nacl.h (Sniff_file::View::View): Request aligned view.
1780
1781 2013-07-11  Cary Coutant  <ccoutant@google.com>
1782
1783         * powerpc.cc (Target_powerpc::write_branch_lookup_table): Use
1784         correct BRLT entry size.
1785
1786 2013-07-03  Alan Modra  <amodra@gmail.com>
1787
1788         * powerpc.cc (Target_powerpc::Relocate::relocate): Update self-call
1789         comment.
1790
1791 2013-07-01  Cary Coutant  <ccoutant@google.com>
1792
1793         * dwarf_reader.cc (Dwarf_ranges_table::read_ranges_table): Save
1794         reloc_type_.
1795         (Dwarf_ranges_table::read_range_list): Call lookup_reloc.
1796         (Dwarf_ranges_table::lookup_reloc): New function.
1797         * dwarf_reader.h (Dwarf_ranges_table::Dwarf_ranges_table): Initialize
1798         reloc_type_.
1799         (Dwarf_ranges_table::lookup_reloc): New function.
1800         (Dwarf_ranges_table::reloc_type_): New data member.
1801
1802 2013-06-27  Jing Yu  <jingyu@google.com>
1803
1804         PR gold/15662
1805         * powerpc.cc (Output_data_brlt_powerpc::reset_brlt_sizes): New
1806         function.
1807         (Output_data_brlt_powerpc::finalize_brlt_sizes): New function.
1808         (Target_powerpc::do_relax): Call the above.
1809
1810 2013-06-27  Cary Coutant  <ccoutant@google.com>
1811
1812         * powerpc.cc (Target_powerpc::symval_for_branch): Don't assert
1813         on garbage collected .opd section.
1814
1815 2013-06-27  Alan Modra  <amodra@gmail.com>
1816
1817         * powerpc.cc (Target_powerpc::do_gc_add_reference): Test dst_shndx
1818         is non-zero.
1819         (Target_powerpc::do_gc_mark_symbols): Likewise for sym->shndx().
1820         (Target_powerpc::do_function_location): Likewise for loc->shndx.
1821
1822 2013-06-14  Cary Coutant  <ccoutant@google.com>
1823
1824         * resolve.cc (Symbol::override_base): Don't override st_type
1825         from plugin placeholder symbols.
1826         (Symbol_table::resolve): Likewise.
1827         (Symbol_table::should_override): Don't complain about TLS mismatch
1828         if the TO symbol is a plugin placeholder.
1829         * testsuite/Makefile.am (plugin_test_tls): New test.
1830         * testsuite/Makefile.in: Regenerate.
1831         * testsuite/plugin_test_tls.sh: New test script.
1832         * testsuite/two_file_test_2_tls.cc: New test source.
1833         * testsuite/two_file_test_tls.cc: New test source.
1834
1835 2013-06-05  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1836
1837         * layout.cc (Layout::set_segment_offsets): Taking care of the case when
1838         the maximum segment alignment is larger than the page size.
1839         * testsuite/Makefile.am (large_symbol_alignment): Test that Gold
1840         correctly aligns the symbols with large alignemnt.
1841         * testsuite/Makefile.in: Regenerate.
1842         * testsuite/large_symbol_alignment.cc: New file.
1843
1844 2013-05-30  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1845             Sriraman Tallam  <tmsriram@google.com>
1846
1847         * options.h (sort_section): New option.
1848         * output.h (Input_section_sort_section_prefix_special_ordering_compare):
1849         Rename from Input_section_sort_section_name_special_ordering_compare.
1850         (Input_section_sort_section_name_compare): New struct.
1851         * output.cc (Output_section::Input_section_sort_section_name_compare::
1852         operator()): New function.
1853         (Output_section::sort_attached_input_sections): Use new sort function
1854         for .text if --sort-section=name is specified.
1855         * layout.cc (Layout::make_output_section):
1856         Add sorting by name when --sort-section=name is specified.
1857         * testsuite/Makefile.am (text_section_grouping): Test option
1858         --sort-section=name.
1859         * testsuite/Makefile.in: Regenerate.
1860         * testsuite/section_sorting_name.cc: New file.
1861         * testsuite/section_sorting_name.sh: New file.
1862
1863 2013-05-21  Cary Coutant  <ccoutant@google.com>
1864
1865         * symtab.h (Symbol::is_cxx_vtable): New function.
1866         * target-reloc.h (relocate_section): Check for vtable symbol.
1867         * testsuite/Makefile.am (missing_key_func.sh): New test case.
1868         * testsuite/Makefile.in: Regenerate.
1869         * testsuite/missing_key_func.cc: New test source.
1870         * testsuite/missing_key_func.sh: New test script.
1871
1872 2013-05-21  Cary Coutant  <ccoutant@google.com>
1873
1874         * object.cc (Sized_relobj_file::get_symbol_location_info): Set
1875         type of enclosing symbol.
1876         (Relocate_info::location): Check symbol type when describing symbol.
1877         * object.h (Symbol_location_info): Remove unused line_number;
1878         add enclosing_symbol_type.
1879         * testsuite/debug_msg.sh: Adjust expected output.
1880
1881 2013-05-13  Cary Coutant  <ccoutant@google.com>
1882
1883         * configure.ac: Export DEFAULT_TARGET.
1884         * configure: Regenerate.
1885         * Makefile.in: Regenerate.
1886         * testsuite/Makefile.am: Add .EXPORT_ALL_VARIABLES.
1887         * testsuite/Makefile.in: Regenerate.
1888         * testsuite/debug_msg.sh: Delete duplicate tests.
1889         Don't check undef_int error message match for powerpc where the
1890         source file and line number aren't available.
1891
1892 2013-05-10  Roland McGrath  <mcgrathr@google.com>
1893
1894         * options.h (General_options): Add --rosegment-gap option.
1895         * options.cc (finalize): --rosegment-gap implies --rosegment.
1896         * layout.cc (set_segment_offsets): Let user option override
1897         target->rosegment_gap().
1898
1899 2013-05-10  Roland McGrath  <mcgrathr@google.com>
1900
1901         * options.h (General_options): Remove leading space from help
1902         messages for -nostdlib and --rosegment.
1903
1904 2013-05-03  Maciej W. Rozycki  <macro@codesourcery.com>
1905
1906         PR ld/15365
1907         * layout.cc (Layout::finalize): Make __ehdr_start STV_HIDDEN.
1908
1909 2013-05-03  Alan Modra  <amodra@gmail.com>
1910
1911         * merge.cc (Output_merge_string::do_add_input_section): Correct
1912         scan for number of strings.  Rename vars to avoid shadowing.
1913         Include missing terminator in input_size_.
1914
1915 2013-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1916
1917         * merge.cc (Output_merge_string<Char_type>::do_add_input_section):
1918         Restore empty string handling.
1919
1920 2013-05-01  Cary Coutant  <ccoutant@google.com>
1921
1922         * stringpool.cc (Stringpool_template::new_key_offset): Fix
1923         uninitialized warning.
1924
1925 2013-04-29  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1926
1927         * output.cc (Output_section::add_merge_input_section): Allow
1928         to merge sections if the alignment is more than character size.
1929         * merge.h (Output_merge_string::Output_merge_string): Remove
1930         assert.
1931         * merge.cc (Output_merge_string<Char_type>::do_add_input_section): Count
1932         only not-null strings. Check the alignment of strings.
1933         * stringpool.h
1934         (Stringpool_template<Stringpool_char>::Stringpool_template): Add
1935         alignment as the argument.
1936         (Stringpool_template<Stringpool_char>::addralign_): New class member.
1937         * stringpool.cc (Stringpool_template<Stringpool_char>::new_key_offset):
1938         Align non-zero length strings according to the addralign_.
1939         (Stringpool_template<Stringpool_char>::set_string_offsets):
1940         Updating offsets according to the given alignment.
1941         * testsuite/Makefile.am (text_section_grouping): Test if string
1942         literals are getting merged.
1943         * testsuite/Makefile.in: Regenerate.
1944         * testsuite/merge_string_literals_1.c: New file.
1945         * testsuite/merge_string_literals_2.c: Ditto.
1946         * testsuite/merge_string_literals.sh: Ditto.
1947
1948 2013-04-26  Ian Lance Taylor  <iant@google.com>
1949
1950         * target-reloc.h (relocate_section): If the reloc offset is out of
1951         range, pass VIEW as NULL to relocate.relocate.
1952         * arm.cc (Target_arm:Relocate::relocate): Check for a NULL view.
1953         * i386.cc (Target_i386::Relocate::relocate): Likewise.
1954         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
1955         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
1956         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
1957         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1958
1959 2013-04-26  Geoff Pike  <gpike@chromium.org>
1960
1961         * gold.cc (queue_final_tasks): invoke layout->queue_build_id_tasks().
1962         * layout.cc (Hash_task): New class.
1963         (Layout::queue_build_id_tasks): New function.
1964         (Layout::write_build_id): Handle single-thread portion of build ID
1965         computation.  (In some cases, all of it is single-threaded.)  Replace
1966         {sha1,md5}_process_bytes with {sha1,md5}_buffer to get the same
1967         functionality in fewer lines of code.
1968         * layout.h (Layout::queue_build_id_tasks): New function declaration.
1969         * options.h (General_options): make "--build-id" default to tree
1970         rather than sha1.  Add two new options related to --build-id=tree:
1971         --build-id-chunk-size-for-treehash and
1972         --build-id-min-file-size-for-treehash.
1973         * Makefile.am: add testing of --build-id=tree and related new options
1974         (these tests will be invoked by "make check").
1975         * Makefile.in: Regenerate.
1976
1977 2013-04-25  Alan Modra  <amodra@gmail.com>
1978
1979         * configure.tgt: Add powerpcle and powerpc64le.
1980
1981 2013-04-22  Alan Modra  <amodra@gmail.com>
1982
1983         PR gold/15355
1984         * layout.cc (Layout::segment_precedes): Allow more than one
1985         segment with the same type and flags.
1986
1987 2013-04-15  Cary Coutant  <ccoutant@google.com>
1988
1989         * layout.cc (Layout::set_relocatable_section_offsets): Don't
1990         allocate space in file for BSS sections.
1991
1992 2013-04-15  Cary Coutant  <ccoutant@google.com>
1993
1994         * script-sections.cc (Orphan_output_section): Reset address
1995         to zero after each orphaned section for relocatable links.
1996
1997 2013-04-15  Cary Coutant  <ccoutant@google.com>
1998
1999         * symtab.cc (Symbol_table::sized_write_globals): Subtract
2000         section starting address for relocatable link.
2001         * testsuite/Makefile.am (script_test_11): New test.
2002         * testsuite/Makefile.in: Regenerate.
2003         * testsuite/script_test_11.c: New source file.
2004         * testsuite/script_test_11.t: New linker script.
2005
2006 2013-04-13  Alan Modra  <amodra@gmail.com>
2007
2008         * powerpc.cc (Stub_control::can_add_to_stub_group): Don't set
2009         owner when sections are not adjacent and exceed group size.
2010         (Target_powerpc::group_sections): Handle corner case.
2011         (Target_powerpc::Branch_info::make_stub): Handle case where
2012         stub table doesn't exist due to branches in non-exec sections.
2013         (Target_powerpc::Relocate::relocate): Likewise.
2014
2015 2013-04-11  Alan Modra  <amodra@gmail.com>
2016
2017         PR gold/15354
2018         * powerpc.cc (Target_powerpc::make_brlt_section): Name section
2019         .branch_lt to match bfd ld.  Adjust comments throughout file.
2020
2021 2013-04-04  Ian Lance Taylor  <iant@google.com>
2022
2023         GCC PR c++/56840
2024         * object.cc (do_layout_deferred_sections): Handle .eh_frame
2025         sections before checking whether they are included in the link.
2026
2027 2013-03-29  Sriraman Tallam  <tmsriram@google.com>
2028
2029         * archive.cc (Archive::get_elf_object_for_member):  Create the elf
2030         object before calling the plugin claim_file handler.  Pass the elf
2031         object of the archive to the plugin. Delete the elf object if the
2032         plugin claims the file.
2033
2034 2013-03-21  Alan Modra  <amodra@gmail.com>
2035
2036         * layout.cc (Layout::set_segment_offsets): Accept writable .text
2037         segment when omagic.
2038
2039 2013-03-21  Alan Modra  <amodra@gmail.com>
2040
2041         * dwp.cc (Dwp_output_file::add_contribution): Avoid signed/unsigned
2042         comparison warning.
2043         * layout.cc (Layout::create_dynamic_symtab): Avoid "may be used
2044         uninitialized" warning.
2045
2046 2013-03-20  Alan Modra  <amodra@gmail.com>
2047
2048         * symtab.h (Symbol::clear_version): New function.
2049         * symtab.cc (Symbol_table::set_dynsym_indexes): Don't set object
2050         is_needed by weak references.  Clear version for symbols defined
2051         in as-needed objects that are not needed.
2052
2053 2013-03-15  Alan Modra  <amodra@gmail.com>
2054
2055         * powerpc.cc (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Make
2056         static and public.  Add report_err param.  Return false for data refs.
2057         (Target_powerpc::rela_dyn_section): New overloaded function.
2058         (Target_powerpc::plt_, iplt_): Elucidate.
2059         (Output_data_plt_powerpc::entry_count): Handle current_data_size()==0.
2060         (Output_data_plt_powerpc::do_write): Don't write .iplt.
2061         (Output_data_plt_powerpc::plt_entry_count): Don't add .iplt entries.
2062         (Target_powerpc::Scan::local, global): Adjust reloc_needs_plt_for_ifunc
2063         calls.  Put ifunc dynamic relocs in irela_dyn_section.  Only
2064         push_branch and make_plt_entry for ifunc syms when
2065         reloc_needs_plt_for_ifunc.
2066         (Target_powerpc::Relocate::relocate): Don't use plt entry value
2067         for ifunc unless reloc_needs_plt_for_ifunc.
2068
2069 2013-03-15  Alan Modra  <amodra@gmail.com>
2070
2071         * gc.h (gc_process_relocs): Don't look through function descriptors.
2072         * icf.cc (get_section_contents): Do so here instead.
2073
2074 2013-03-13  Alan Modra  <amodra@gmail.com>
2075
2076         * powerpc.cc (is_branch_reloc): Forward declare.
2077         (Target_powerpc::do_can_check_for_function_pointers): New predicate.
2078         (Target_powerpc::Scan::local_reloc_may_be_function_pointer): Return
2079         false for 64-bit, true for 32-bit non-branch relocs.
2080         (Target_powerpc::Scan::global_reloc_may_be_function_pointer): Likewise.
2081         * testsuite/Makefile.am (icf_test): Use linker map file instead of
2082         nm output.
2083         (icf_safe_test): Generate linker map file as well as nm output.
2084         (icf_safe_so_test): Likewise.
2085         * testsuite/Makefile.in: Regenerate.
2086         * testsuite/icf_test.sh: Parse linker map file to determine
2087         section folding.
2088         * testsuite/icf_safe_test.sh: Likewise.  Expect folding for PowerPC.
2089         * testsuite/icf_safe_so_test.sh: Likewise.
2090         (X86_32_or_ARM_specific_safe_fold): Merge into..
2091         (arch_specific_safe_fold): ..this.
2092         (X86_64_specific_safe_fold): Delete unused function.
2093
2094 2013-03-12  Alan Modra  <amodra@gmail.com>
2095
2096         * gc.h (gc_process_relocs): Look through function descriptors
2097         to determine shndx, symvalue and addend used by ICF.  Tidy
2098         variable duplication.
2099
2100 2013-03-11  Alan Modra  <amodra@gmail.com>
2101
2102         * gold.cc (queue_middle_tasks): Move detect_odr_violations..
2103         * layout.cc (Layout_task_runner::run): ..to here.
2104         * symtab.h (struct Symbol_location): Extract from..
2105         (class Symbol_table): ..here.
2106         * symtab.cc (Symbol_table::linenos_from_loc): Invoke function_location.
2107         * target.h (class Target): Add function_location and
2108         do_function_location functions.
2109         (class Sized_target): Add do_function_location.
2110         * object.h (class Sized_relobj_file): Move find_shdr..
2111         (class Object): ..to here.
2112         * object.cc: Likewise.  Update to suit.  Instantiate.
2113         (Sized_relobj_file::find_eh_frame): Update find_shdr call.
2114         * powerpc.cc (class Powerpc_dynobj): New.
2115         (Target_powerpc::do_function_location): New function.
2116         (Powerpc_relobj::do_find_special_sections): Update find_shdr call.
2117         (Powerpc_dynobj::do_read_symbols): New function.
2118         (Target_powerpc::do_make_elf_object): Make a Powerpc_dynobj.
2119
2120 2013-03-08  Ian Lance Taylor  <iant@google.com>
2121
2122         * options.cc (General_options::string_to_object_format): Accept
2123         "default".
2124
2125 2013-03-08  Alan Modra  <amodra@gmail.com>
2126
2127         * ehframe.h (Post_fdes) Make it a vector of Post_fde rather than
2128         pointer to Post_fde.
2129         (struct Post_fde): Move definition to here..
2130         * ehframe.cc (struct Post_fde): ..from here.
2131         (Cie::write): Don't alloc Post_fde.
2132         (Eh_frame::do_sized_write): Update.  Don't free Post_fde.
2133
2134 2013-03-07  Alan Modra  <amodra@gmail.com>
2135
2136         * testsuite/discard_locals_relocatable_test.c: Add a powerpc
2137         relocation referencing .LC0.
2138         * testsuite/discard_locals_test.sh: Remove FIXMEs.
2139
2140 2013-03-07  Alan Modra  <amodra@gmail.com>
2141
2142         * testsuite/ifunc-sel.h (ifunc_sel, ifunc_one): Mark
2143         always_inline.  Add assembly for powerpc to avoid GOT.
2144
2145 2013-03-07  Alan Modra  <amodra@gmail.com>
2146
2147         * testsuite/script_test_10.sh: Don't test .bss section
2148         header number.
2149
2150 2013-03-06  Alan Modra  <amodra@gmail.com>
2151
2152         * powerpc.cc (class Powerpc_relobj): Move some member functions.
2153         (Target_powerpc::symval_for_branch):  Add symtab param.  Update
2154         all callers.  Handle folded sections.
2155         (Target_powerpc::do_gc_add_reference): Don't cast dynamic object
2156         to Powerpc_relobj.
2157         (Global_symbol_visitor_opd::operator()): Likewise.
2158
2159 2013-03-04  Alan Modra  <amodra@gmail.com>
2160
2161         * testsuite/Makefile.am (final_layout_script.lds): Add .sbss.
2162         * testsuite/Makefile.in: Regenerate.
2163
2164 2013-03-01  Cary Coutant  <ccoutant@google.com>
2165
2166         Add dwp support for v2 DWARF package file format.
2167         * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
2168         tu_length parameter.  Adjust all callers.
2169         * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
2170         * dwp.cc: Include dwarf.h.
2171         (Section_bounds): New struct type.
2172         (Unit_set): New struct type.
2173         (Dwo_file::Dwo_file): Initialize new data member.
2174         (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
2175         Combine and rename to...
2176         (Dwo_file::read_unit_index): ...this.
2177         (Dwo_file::sized_read_compunit_index)
2178         (Dwo_file::sized_read_typeunit_index): Combine and rename to...
2179         (Dwo_file::sized_read_unit_index): ...this.
2180         (Dwo_file::copy_section): Remove section_name, is_str_offsets
2181         parameters; add section_id parameter.
2182         (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
2183         (Dwo_file::add_unit_set): ...this.
2184         (Dwo_file::shndx_map_): Remove.
2185         (Dwo_file::sect_offsets_): New data member.
2186         (Dwp_output_file::Dwp_output_file): Initialize new data members.
2187         (Dwp_output_file::add_section): Rename to...
2188         (Dwp_output_file::add_contribution): ...this.
2189         (Dwp_output_file::add_cu_set): Combine parameters into a struct.
2190         (Dwp_output_file::add_tu_set): Likewise.
2191         (Dwp_output_file::Contribution): New type.
2192         (Dwp_output_file::Section::contributions): New data member.
2193         (Dwp_output_file::Cu_or_tu_set): Remove.
2194         (Dwp_output_file::Section::Section): New ctor.
2195         (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
2196         (Dwp_output_file::Dwp_index::Section_table): New type.
2197         (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
2198         (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
2199         parameter.
2200         (Dwp_output_file::Dwp_index::shndx_pool): Remove.
2201         (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
2202         (Dwp_output_file::Dwp_index::section_table): New member function.
2203         (Dwp_output_file::Dwp_index::section_table_end): New member function.
2204         (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
2205         (Dwp_output_file::Dwp_index::section_table_rows): New member function.
2206         (Dwp_output_file::Dwp_index::section_table_cols): New member function.
2207         (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
2208         (Dwp_output_file::Dwp_index::section_table_): New data member.
2209         (Dwp_output_file::Dwp_index::section_mask_): New data member.
2210         (Dwp_output_file::add_output_section): New member function.
2211         (Dwp_output_file::write_new_section): New member function.
2212         (Dwp_output_file::write_contributions): New member function.
2213         (Dwp_output_file::section_id_map_): New data member.
2214         (class Dwo_id_info_reader): Remove.
2215         (class Unit_reader): New class.
2216         (get_dwarf_section_name): New function.
2217         (Dwo_file::read_executable): Adjust initializations of class data.
2218         (Dwo_file::read): Add support for v2 package file format.
2219         (Dwo_file::read_unit_index): Likewise.
2220         (Dwo_file::sized_read_unit_index): Likewise.
2221         (Dwo_file::copy_section): Likewise.
2222         (Dwo_file::add_unit_set): Likewise.
2223         (Dwp_output_file::add_output_section): Likewise.
2224         (Dwp_output_file::add_contribution): Likewise.
2225         (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
2226         for empty slot.
2227         (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
2228         file format.
2229         (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
2230         slot.
2231         (Dwp_output_file::initialize): Remove unused function.
2232         (Dwp_output_file::finalize): Add support for v2 package file format.
2233         (Dwp_output_file::write_index): Likewise.
2234         * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
2235         function prototype.
2236
2237 2013-03-01  Cary Coutant  <ccoutant@google.com>
2238
2239         * dwarf_reader.cc (Dwarf_info_reader::check_buffer): Move
2240         function into class definition in header file.
2241         (Dwarf_info_reader::warn_corrupt_debug_section): New function.
2242         * dwarf_reader.h (Dwarf_info_reader::warn_corrupt_debug_section):
2243         New function.
2244         (Dwarf_info_reader::check_buffer): Move here from .cc file.
2245
2246 2013-02-28  Alan Modra  <amodra@gmail.com>
2247
2248         * target.h (Target::plt_fde_location, do_plt_fde_location): Declare.
2249         * target.cc (Target::do_plt_fde_location): New function.
2250         * ehframe.h (class FDE): Add post_map field to u_.from_linker,
2251         accessor function, and constructor param.
2252         (struct Post_fde, Post_fdes): Declare.
2253         (Cie::write): Add post_fdes param.
2254         * ehframe.cc (Fde::write): Use plt_fde_location.
2255         (struct Post_fde): Define.
2256         (Cie::write): Stash FDEs added post merge mapping.
2257         (Eh_frame::add_ehframe_for_plt): Assert no new CIEs after mapping.
2258         Adjust Fde constructor call.  Bump final_data_size_ for post map FDEs.
2259         (Eh_frame::do_sized_write): Arrange to write post map FDES after
2260         other FDEs.
2261         * powerpc.cc (Target_powerpc::do_plt_fde_location): New function.
2262         (Target_powerpc::has_glink): New function.
2263         (Target_powerpc::do_relax): Add eh_frame info for stubs.
2264         (struct Eh_cie, eh_frame_cie, glink_eh_frame_fde_64,
2265         glink_eh_frame_fde_32, default_fde): New data.
2266         (Stub_table::eh_frame_added_): New var.
2267         (Stub_table::find_long_branch_entry, stub_address, stub_offset):
2268         Make const.
2269         (Stub_table::add_eh_frame): New function.
2270         (Output_data_glink::add_eh_frame): New function.
2271         (Target_powerpc::make_glink_section): Call add_eh_frame.
2272
2273 2013-02-15  Ian Lance Taylor  <iant@google.com>
2274
2275         * options.h (DEFINE_uint64_alias): Define.
2276         (class General_options): Add -Ttext-segment as an alias for
2277         -Ttext.
2278
2279 2013-02-15  Alan Modra  <amodra@gmail.com>
2280
2281         * powerpc.cc (Stub_table::plt_off): New function, extracted from..
2282         (Stub_table::do_write): ..here, two places.
2283         (Stub_table::plt_call_size): Use it here too.
2284
2285 2013-02-11  Ian Lance Taylor  <iant@google.com>
2286
2287         * descriptors.cc (Descriptors::close_all): New function.
2288         * descriptors.h (class Descriptors): Declare close_all.
2289         (close_all_descriptors): New inline function.
2290         * plugin.cc: Include "descriptors.h".
2291         (Plugin_manager::cleanup): Call close_all_descriptors.
2292
2293 2013-02-06  Alan Modra  <amodra@gmail.com>
2294
2295         * README: Update coding style link.
2296
2297 2013-01-28  Cary Coutant  <ccoutant@google.com>
2298
2299         * dwp.cc (File_list): New typedef.
2300         (Dwo_name_info_reader): New class.
2301         (Dwo_id_info_reader::Dwo_id_info_reader): Remove unused parameters.
2302         (Dwo_id_info_reader::visit_top_die): Remove unused member function.
2303         (Dwo_file::~Dwo_file): Delete input_file_ after obj_.
2304         (Dwo_file::read_executable): New function.
2305         (Dwo_file::read): Move common setup code to ...
2306         (Dwo_file::make_object): ... here.
2307         (dwp_options): Add --exec/-e.
2308         (usage): Likewise.
2309         (main): Likewise.
2310
2311 2013-01-24  Sriraman Tallam  <tmsriram@google.com>
2312
2313         * layout.cc (Layout::layout): Check for option text_reorder.
2314         (Layout::make_output_section): Ditto.
2315         * options.h (text_reorder): New option.
2316         * output.cc (Input_section_sort_compare): Remove special ordering
2317         of section names.
2318         (Output_section::
2319          Input_section_sort_section_name_special_ordering_compare::
2320          operator()): New function.
2321         (Output_section::sort_attached_input_sections): Use new sort function
2322         for .text.
2323         * output.h (Input_section_sort_section_name_special_ordering_compare):
2324         New struct.
2325         * testsuite/Makefile.am (text_section_grouping): Test option
2326         --no-text-reorder
2327         * testsuite/Makefile.in: Regenerate.
2328         * testsuite/text_section_grouping.sh: Check order of functions without
2329         default text reordering.
2330
2331 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
2332
2333         * options.h (General_options): Change default to true for new_dtags.
2334
2335 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
2336
2337         * layout.cc (Layout::finish_dynamic_section): Only add DT_RPATH
2338         when enable_new_dtags is false.  Only add DT_RUNPATH when
2339         enable_new_dtags is true.
2340
2341 2013-01-17  Serge Pavlov  <serge.v.pavlov@gmail.com>
2342
2343         * powerpc.cc (Stub_table::find_plt_call_entry): Make types
2344         used in declaration and definition consistent.
2345         (Target_powerpc::symval_for_branch): Ditto.
2346
2347 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
2348
2349         * testsuite/plugin_final_layout.cc: Fix comment.
2350
2351 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
2352
2353         * layout.cc (Layout::layout): Do not do default sorting for
2354         text sections when section ordering is specified.
2355         (make_output_section): Ditto.
2356         * testsuite/plugin_final_layout.cc: Name the function sections
2357         to catch reordering issues.
2358
2359 2013-01-15  Alan Modra  <amodra@gmail.com>
2360
2361         * powerpc.cc (Target_powerpc::do_relax): Default shared libs to
2362         plt-thread-safe.
2363
2364 2013-01-15  Alan Modra  <amodra@gmail.com>
2365
2366         * testsuite/Makefile.am (final_layout_script.lds): Handle .got section.
2367         * testsuite/Makefile.in: Regenerate.
2368
2369 2013-01-14  Alan Modra  <amodra@gmail.com>
2370
2371         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add various output files.
2372         * testsuite/Makefile.in: Regenerate.
2373
2374 2013-01-11  Pavel Chupin  <pavel.v.chupin@intel.com>
2375
2376         PR bfd/14430
2377         Fix mingw gold build with plugins enabled
2378         * Makefile.am: Replace -ldl with @DLOPEN_LIBS@.
2379         * configure.ac: Export DLOPEN_LIBS and add headers check.
2380         * plugin.cc: Handle non-dlfcn case.
2381         * Makefile.in: Regenerate.
2382         * config.in: Regenerate.
2383         * configure: Regenerate.
2384         * testsuite/Makefile.in: Regenerate.
2385
2386 2013-01-09  Sriraman Tallam  <tmsriram@google.com>
2387
2388         * output.h (sort_attached_input_sections): Change to be public.
2389         * script-sections.cc
2390         (Output_section_definition::set_section_addresses): Sort
2391         attached input sections according to section order before linker
2392         script assigns section addresses.
2393         (Orphan_output_section::set_section_addresses): Sort
2394         attached input sections according to section order before linker
2395         script assigns section addresses.
2396         * Makefile.am (final_layout.sh): Use a simple linker script to
2397         check if section ordering still works.
2398         * Makefile.in: Regenerate.
2399
2400 2013-01-09  Ben Cheng  <bccheng@google.com>
2401
2402         * arm.cc (Target_arm::attributes_accept_div): New function.
2403         (Target_arm::attributes_forbid_div): New function.
2404         (Target_arm::merge_object_attributes): Merge the Tag_DIV_use
2405         attribute using the same new functions as what bfd/elf32_arm.c
2406         does.
2407
2408 2013-01-07  Cary Coutant  <ccoutant@google.com>
2409
2410         PR gold/14993
2411         * output.cc (Output_section::add_input_section): For incremental
2412         updates, don't track input sections that are allocated from patch
2413         space.
2414
2415 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2416             Ian Lance Taylor  <iant@google.com>
2417
2418         PR gold/14897
2419         * configure.ac (--enable-ld): Removed.
2420         (install_as_default): Set to yes only for --enable-gold=default
2421         or --disable-ld.
2422         * configure: Regenerated.
2423
2424 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2425
2426         * options.h (General_options): Add -fuse-ld= for GCC linker
2427         option compatibility.
2428
2429 2013-01-04  Cary Coutant  <ccoutant@google.com>
2430
2431         * configure.ac: Fix typo restoring CXXFLAGS.
2432         * configure: Regenerate.
2433
2434 2013-01-04  Cary Coutant  <ccoutant@google.com>
2435
2436         * testsuite/Makefile.am (CXXLINK_S): New macro.
2437         (debug_msg_so.err, debug_msg_ndebug.err): Use CXXLINK_S.
2438         * testsuite/Makefile.in: Regenerate.
2439
2440 2013-01-02  H.J. Lu  <hongjiu.lu@intel.com>
2441
2442         * version.cc (print_version): Update copyright year to 2013.
2443
2444 2012-12-20  Ian Lance Taylor  <iant@google.com>
2445
2446         * layout.cc (Layout::special_ordering_of_input_section): New
2447         function.
2448         (Layout::layout): If input section requires special ordering, must
2449         sort input sections.
2450         (Layout::make_output_section): May sort .text input sections.
2451         (Layout::is_section_name_prefix_grouped): Remove.
2452         * layout.h (class Layout): Declare
2453         special_ordering_of_input_section.  Don't declare
2454         is_section_name_prefix_grouped.
2455         * output.cc (Output_section::add_input_section): Revert last
2456         change.
2457         (Output_section::Input_section_sort::match_file_name): Don't crash
2458         if called on output section data.
2459         (Output_section::Input_section_sort_compare): Sort based on
2460         special ordering.
2461         (Output_section::Input_section_sort_section_order_index_compare):
2462         Revert last patch.
2463         (Output_section::sort_attached_input_sections): Likewise.
2464
2465 2012-12-18  Sriraman Tallam  <tmsriram@google.com>
2466
2467         * layout.cc (Layout::is_section_name_prefix_grouped): New function.
2468         * layout.h (Layout::is_section_name_prefix_grouped): New function.
2469         * output.cc (Output_section::add_input_section): Check if section
2470         name contains special prefix.  Keep input sections to sort such
2471         sections.
2472         (Output_section::Input_section_sort_section_order_index_compare
2473          ::operator()): Group sections according to prefixes.
2474         (Output_section::sort_attached_input_sections): Add condition to
2475         Input_section_entry constructor call.
2476         * testsuite/Makefile.am (text_section_grouping): New test.
2477         * testsuite/Makefile.in: Regenerate.
2478         * testsuite/text_section_grouping.cc: New file.
2479         * testsuite/text_section_grouping.sh: New file.
2480
2481 2012-12-17  Nick Clifton  <nickc@redhat.com>
2482
2483         * Makefile.am: Add copyright notice.
2484         * NEWS: Likewise.
2485         * README: Likewise.
2486         * configure.ac: Likewise.
2487         * ftruncate.c: Likewise.
2488         * Makefile.in: Regenerate.
2489
2490 2012-12-14  Cary Coutant  <ccoutant@google.com>
2491
2492         * testsuite/Makefile.am (exception_separate_shared_12_test): Add
2493         --no-as-needed flag.
2494         (exception_separate_shared_12_test): Likewise.
2495         (incremental_copy_test): Likewise.
2496         * testsuite/Makefile.in: Regenerate.
2497
2498 2012-12-14  Cary Coutant  <ccoutant@google.com>
2499
2500         * dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs.
2501         (Dwp_output_file::Dwp_index::enter_set): Add assert.
2502
2503 2012-12-12  Alan Modra  <amodra@gmail.com>
2504
2505         * powerpc.cc (class Track_tls): New.
2506         (class Relocate, class Scan): Inherit Track_tls.
2507         (Target_powerpc::Scan::local, global): Track tls optimization
2508         and avoid creating plt entry for __tls_get_addr if all uses
2509         are optimized away.
2510         (Target_powerpc::Relocate::relocate): Update to use Track_tls.
2511
2512 2012-12-12  Alan Modra  <amodra@gmail.com>
2513
2514         * options.h (General_options): Add --toc-sort/--no-toc-sort.
2515         Replace no_toc_optimize with toc_optimize.
2516         * output.h (Output_section::input_sections): Provide non-const variant.
2517         * powerpc.cc (Powerpc_relobj::has_small_toc_reloc_,
2518         set_has_small_toc_reloc, has_small_toc_reloc): New variable and
2519         accessors.
2520         (Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc.
2521         (class Sort_toc_sections): New.
2522         (Target_powerpc::do_finalize_sections): Sort toc sections.
2523         (Target_powerpc::Relocate::relocate): Update toc_optimize test.
2524
2525 2012-12-10  Roland McGrath  <mcgrathr@google.com>
2526
2527         * testsuite/binary_unittest.cc (read_all): New function.
2528         (Sized_binary_test): Use it instead of ::read.
2529         * fileread.cc (do_read): Don't assume pread always reads the whole
2530         amount in a single call.
2531
2532 2012-12-10  Alan Modra  <amodra@gmail.com>
2533
2534         * powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):
2535         Set EM_PPC64 or EM_PPC here.
2536         (Target_selector_powerpc::do_recognize): Delete.
2537
2538 2012-12-10  Alan Modra  <amodra@gmail.com>
2539
2540         * powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
2541         stub_table_.
2542         (Target_powerpc::Branch_info::make_stub): Don't omit addend.
2543
2544 2012-12-07  Roland McGrath  <mcgrathr@google.com>
2545
2546         * testsuite/binary_unittest.cc (Sized_binary_test):
2547         Use open_descriptor rather than ::open.
2548
2549 2012-12-07  Alan Modra  <amodra@gmail.com>
2550
2551         * powerpc.cc (Stub_table::do_write): Delete redundant Address
2552         typedef and invalid_address constant.
2553         (Output_data_glink, Stub_table, Target_powerpc): Explicitly
2554         instantiate constants.
2555
2556 2012-12-06  Roland McGrath  <mcgrathr@google.com>
2557
2558         * configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
2559         Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
2560         * aclocal.m4: Regenerate.
2561         * configure: Regenerate.
2562         * Makefile.in: Regenerate.
2563         * testsuite/Makefile.in: Regenerate.
2564
2565 2012-12-07  Alan Modra  <amodra@gmail.com>
2566
2567         * options.h (General_options): Add no_toc_optimize.
2568         * powerpc.cc (ok_lo_toc_insn): New function.
2569         (Target_powerpc::Relocate::relocate): Optimize toc access sequences.
2570
2571 2012-12-06  Alan Modra  <amodra@gmail.com>
2572
2573         * options.h (General_options): Add plt_align, plt_static_chain,
2574         plt_thread_safe.  Update stub_group_size help text.
2575         * powerpc.cc (Target_powerpc::plt_thread_safe): New access function
2576         for new plt_thread_safe_ var.
2577         (use_plt_offset): Correct comments.
2578         (Target_powerpc::do_relax): Look for thread creation symbols to
2579         determine default plt_thread_safe value.  Clear plt call stubs
2580         as well as branch stubs each iteration.
2581         (add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
2582         insn constants.
2583         (l, hi, ha, write_insn): Move earlier.
2584         (Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
2585         (Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
2586         plt stubs too.
2587         (Stub_table::update_size): Adjust.
2588         (Stub_table::prev_size, set_prev_size): Delete.
2589         (Stub_table::stub_align): Let --plt-align affect result.
2590         (Stub_table::plt_call_size): Calculate sizes for various stubs.
2591         (Stub_table::branch_stub_size): Use last_plt_size in address calc.
2592         (Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
2593         (Stub_table::do_write): Support more stub variants.
2594
2595 2012-12-04  Alan Modra  <amodra@gmail.com>
2596
2597         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
2598         (Target_powerpc::do_define_standard_symbols): New function.
2599
2600 2012-12-03  Alan Modra  <amodra@gmail.com>
2601
2602         * output.h: Formatting, whitespace.
2603
2604 2012-12-03  Alan Modra  <amodra@gmail.com>
2605
2606         * layout.h (Layout::get_executable_sections): Declare.
2607         * layout.cc (Layout::get_executable_sections): New function.
2608         * arm.cc (Target_arm::group_sections): Use it.
2609         (Arm_output_section::group_sections): Delete now redundant test.
2610         * output.cc (Output_reloc::Output_reloc): Add is_relative.
2611         param to handle relative relocs.
2612         * output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
2613         (Output_data_reloc::add_absolute): Adjust.
2614         (Output_data_reloc::add_relative): New function.
2615         (Output_data::reset_data_size): New function.
2616         (Output_relaxed_input_section::set_relobj, set_shndx): New functions.
2617         (Output_section::set_addralign): New function.
2618         (Output_section::checkpoint_set_addralign): New function.
2619         (Output_section::clear_section_offsets_need_adjustment): New function.
2620         (Output_section::input_sections): Make public.
2621         * powerpc.cc (class Output_data_brlt_powerpc): New.
2622         (class Stub_table, class Stub_control): New.
2623         (Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
2624         stub_table_, set_stub_table, stub_table): New vectors and accessor
2625         functions.
2626         (Target_powerpc::do_may_relax, do_relax, push_branch,
2627         new_stub_table, stub_tables, brlt_section, group_sections,
2628         add_branch_lookup_table, find_branch_lookup_table,
2629         write_branch_lookup_table, make_brlt_section): New functions.
2630         (Target_powerpc::struct Sort_sections, class Branch_info): New.
2631         (Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
2632         branch_info_): New vars.
2633         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
2634         make call stubs here.
2635         (Output_data_glink): Remove all call stub handling from this class.
2636         (Target_powerpc::Scan::local, global): Save interesting branch
2637         relocs and relocs for ifunc.  Adjust calls to plt entry functions.
2638         (Target_powerpc::do_finalize_sections): Only make reg save/restore
2639         functions on final link.
2640         (Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
2641         Handle long branch destinations too.
2642         (Target_powerpc::do_dynsym_value, do_plt_address_for_global,
2643         do_plt_address_for_local): Adjust lookup of plt call stubs.
2644
2645 2012-11-30  Alan Modra  <amodra@gmail.com>
2646
2647         * powerpc.c (Target_powerpc::Scan::global): Don't emit relative
2648         relocs against protected symbols when building 32-bit shared libs.
2649
2650 2012-11-30  Alan Modra  <amodra@gmail.com>
2651
2652         * powerpc.cc (Target_powerpc::make_plt_section): Add symtab
2653         param.  Call got_section() to make .got.  Update all callers
2654         and their callers and so on.
2655
2656 2012-11-30  Alan Modra  <amodra@gmail.com>
2657
2658         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
2659         _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
2660         (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
2661         value if it already exists.
2662
2663 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
2664
2665         PR gold/14858
2666         * x86_64.cc (Relocate::tls_ld_to_le): Support x32.
2667
2668 2012-11-14  Roland McGrath  <mcgrathr@google.com>
2669
2670         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
2671         than bfc instruction for data sandboxing.
2672
2673 2012-11-08  Alan Modra  <amodra@gmail.com>
2674
2675         * po/POTFILES.in: Regenerate.
2676
2677 2012-11-05  Alan Modra  <amodra@gmail.com>
2678
2679         * configure.ac: Apply 2012-09-10 change to config.in here.
2680         * configure: Regenerate.
2681
2682 2012-11-05  Alan Modra  <amodra@gmail.com>
2683
2684         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
2685         (struct Opd_ent): Use "Address" rather than "Offset".
2686         (Output_data_got_powerpc::got_base_offset): Return Valtype.
2687         (Target_powerpc::got_section): Make public.
2688         (Target_powerpc::scan_relocs): Move code setting symbols..
2689         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
2690         Create _SDA_BASE_ only when referenced.
2691
2692 2012-11-02  Roland McGrath  <mcgrathr@google.com>
2693
2694         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
2695         from last change.
2696
2697 2012-11-01  Roland McGrath  <mcgrathr@google.com>
2698
2699         * target.h (Sized_target::relocate_relocs): Use Elf_Off
2700         for offset_in_output_section parameter.
2701         (Sized_target::relocate_special_relocatable): Likewise.
2702         * arm.cc (Target_arm::relocate_relocs): Likewise.
2703         (Target_arm::relocate_special_relocatable): Likewise.
2704         * i386.cc (Target_i386::relocate_relocs): Likewise.
2705         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
2706         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
2707         * target-reloc.h (relocate_relocs): Likewise.
2708         * testsuite/testfile.cc (Target_test): Likewise.
2709         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
2710         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
2711
2712         * system.h: Move inclusion of <clocale> to after <libintl.h> in
2713         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
2714
2715         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
2716         parameter, which is unused in the [!F_SETFD] case.
2717
2718         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
2719         SYMNDX to off_t before comparing it to this->data_size().
2720         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
2721         * incremental.cc (Output_section_incremental_inputs::do_write):
2722         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
2723
2724         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
2725
2726 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
2727
2728         * gold.cc (Target_arm::do_adjust_elf_header): Add the
2729         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
2730         in EABI_VER5.
2731
2732 2012-10-29  Cary Coutant  <ccoutant@google.com>
2733
2734         * dwp.cc (usage): Add file and exit status parameters;
2735         add --help and --version options.
2736         (print_version): New function.
2737         (main): Add --help and --version options.
2738
2739 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
2740
2741         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
2742         final_layout_sequence.txt.
2743         * testsuite/Makefile.in: Regenerated.
2744
2745 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
2746
2747         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
2748         COMPILE generated by automake.
2749         (LINK1): Likewise.
2750         (CXXCOMPILE1): Likewise.
2751         (CXXLINK1): Likewise.
2752         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
2753         (LINK): Likewise.
2754         (CXXCOMPILE): Likewise.
2755         (CXXLINK): Likewise.
2756         * testsuite/Makefile.in: Regenerated.
2757
2758 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
2759
2760         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
2761         on bad fwrite return.
2762
2763 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
2764
2765         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
2766         on val.
2767
2768 2012-10-23  Cary Coutant  <ccoutant@google.com>
2769
2770         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
2771         * testsuite/Makefile.in: Regenerate.
2772         * testsuite/dwp_test.h: New source file.
2773         * testsuite/dwp_test_1.cc: New source file.
2774         * testsuite/dwp_test_1.s: New source file.
2775         * testsuite/dwp_test_1.sh: New source file.
2776         * testsuite/dwp_test_1b.cc: New source file.
2777         * testsuite/dwp_test_1b.s: New source file.
2778         * testsuite/dwp_test_2.cc: New source file.
2779         * testsuite/dwp_test_2.s: New source file.
2780         * testsuite/dwp_test_2.sh: New source file.
2781         * testsuite/dwp_test_main.cc: New source file.
2782         * testsuite/dwp_test_main.s: New source file.
2783
2784 2012-10-23  Cary Coutant  <ccoutant@google.com>
2785
2786         * dwp.h: New header file.
2787         * dwp.cc: New source file.
2788         * gold.h: Move shared declarations to system.h.
2789         * system.h: New header file.
2790         * Makefile.am: Add dwp.
2791         * Makefile.in: Regenerate.
2792
2793 2012-10-23  Cary Coutant  <ccoutant@google.com>
2794
2795         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
2796         Dwarf_info_reader::read_from_pointer.
2797         (Dwarf_pubnames_table::read_header): Likewise.
2798         (Dwarf_pubnames_table::next_name): Likewise.
2799         (Dwarf_die::read_attributes): Likewise.
2800         (Dwarf_die::skip_attributes): Likewise.
2801         (Dwarf_info_reader::read_from_pointer): New function template.
2802         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
2803         (Dwarf_pubnames_table): Likewise.
2804         (Dwarf_info_reader::read_from_pointer): New function template.
2805         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
2806         Dwarf_pubnames_table ctor.
2807
2808 2012-10-23  Cary Coutant  <ccoutant@google.com>
2809
2810         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
2811         abbrev_shndx.
2812         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
2813         abbrev_shndx_.
2814         (Dwarf_info_reader::set_abbrev_shndx): New method.
2815         (Dwarf_info_reader::abbrev_shndx_): New data member.
2816
2817 2012-10-23  Cary Coutant  <ccoutant@google.com>
2818
2819         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
2820         from object, not parameters.
2821         (Dwarf_info_reader::parse): Likewise.
2822         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
2823         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
2824         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
2825         methods.
2826
2827 2012-10-23  Cary Coutant  <ccoutant@google.com>
2828
2829         * fileread.cc (Input_file::Input_file): New constructor.
2830         * fileread.h (class Input_file): Add new constructor.
2831
2832 2012-10-18  Alan Modra  <amodra@gmail.com>
2833
2834         PR gold/14727
2835         * object.cc (Relobj::is_section_name_included): Also match
2836         .sdata personality section.
2837
2838 2012-10-18  Alan Modra  <amodra@gmail.com>
2839
2840         * target-reloc.h (class Default_comdat_behavior): New, package up..
2841         (get_comdat_behaviour): ..this.
2842         (relocate_section): Add Relocate_comdat_behavior template arg,
2843         adjust code to suit.
2844         * arm.cc (Target_arm::relocate_section): Adjust to suit.
2845         (Target_arm::scan_reloc_section): Likewise.
2846         * i386.cc (Target_i386::relocate_section): Likewise.
2847         * sparc.cc (Target_sparc::relocate_section): Likewise.
2848         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
2849         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
2850         * powerpc.cc (class Relocate_comdat_behavior): New.
2851         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
2852         gold::relocate_section with new template arg.
2853
2854 2012-10-18  Alan Modra  <amodra@gmail.com>
2855
2856         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
2857         dynamic relocs for GOT_TPREL got entries, without symbol if
2858         resolving locally.
2859         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
2860         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
2861         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
2862
2863 2012-10-17  Alan Modra  <amodra@gmail.com>
2864
2865         PR gold/14726
2866         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
2867
2868 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
2869
2870         * layout.cc (Layout::include_section): Keep sections marked
2871         SHF_EXCLUDE when doing relocatable links.
2872
2873 2012-10-16  Alan Modra  <amodra@gmail.com>
2874
2875         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
2876         (Target_powerpc::do_finalize_sections): Call it.
2877         (Output_data_save_res): New class and supporting functions.
2878         (Target_powerpc::symval_for_branch): Only look up .opd entry for
2879         normal symbols defined in object files.
2880
2881 2012-10-12  Alan Modra  <amodra@gmail.com>
2882
2883         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
2884         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
2885         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
2886         section if scan_opd_relocs not yet called.
2887         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
2888
2889 2012-10-12  Alan Modra  <amodra@gmail.com>
2890
2891         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
2892         add_local_ifunc_entry): Revert last change.
2893         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
2894
2895 2012-10-05  Alan Modra  <amodra@gmail.com>
2896
2897         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
2898         do_plt_address_for_global): New functions.
2899         (Output_data_got_powerpc::do_write): Don't segfault when linking
2900         statically.
2901         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
2902         add_local_ifunc_entry): Return true on adding entry..
2903         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
2904         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
2905         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
2906         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
2907         set up symbols here.
2908         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
2909         syms here.  Do so even when no .iplt.  Don't segfault when linking
2910         statically.
2911         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
2912         new variants without reloc param.
2913         (Glink_sym_ent::Glink_sym_ent): Likewise.
2914         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
2915         reloc when refs will resolve to plt call stub.
2916         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
2917         R_PPC_PLTREL24 to resolve locally.
2918         (Target_powerpc::Scan::global): Correct ifunc handling.
2919         (Target_powerpc::Relocate::relocate): Correct local sym glink
2920         lookup.  Don't destroy "value" when we have a plt call stub,
2921         and when checking plt call validity.
2922         (Target_powerpc::do_dynsym_value): Simplify.
2923
2924 2012-10-05  Alan Modra  <amodra@gmail.com>
2925
2926         * i386.cc (Output_data_plt_i386::address_for_global,
2927         address_for_local): Add plt offset to returned value.  Adjust uses.
2928         * sparc.cc (Output_data_plt_sparc::address_for_global,
2929         address_for_local): Likewise.
2930         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
2931         address_for_local): Likewise.
2932         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
2933         address_for_local): Likewise.
2934         * target.h (Target::plt_address_for_global, plt_address_for_local):
2935         Update comment.
2936         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
2937         (Output_data_got::Got_entry::write): Nor here.
2938         * output.h: Comment fix.
2939
2940 2012-10-02  Jiong Wang  <jiwang@tilera.com>
2941
2942         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
2943         global_offset_table_ value for larget got.
2944         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
2945
2946 2012-09-29  Alan Modra  <amodra@gmail.com>
2947
2948         * powerpc.cc (Target_powerpc::iplt_): New output section.
2949         (Target_powerpc::iplt_section, make_iplt_section,
2950         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
2951         (Target_powerpc::make_plt_entry): Handle ifunc syms.
2952         Target_powerpc::plt_entry_count): Count iplt entries too.
2953         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
2954         reloc section in constructor.  New params.
2955         (Target_powerpc::make_plt_section): Create reloc section here instead.
2956         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
2957         functions.
2958         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
2959         (Output_data_glink::add_entry, find_entry): New functions to
2960         deal with local syms.
2961         (Glink_sym_ent): Add support for local syms.
2962         (Output_data_glink::do_write): Handle ifunc plt entries.
2963         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
2964         (Target_powerpc::Scan::local, global): Handle ifunc syms.
2965         (Target_powerpc::Relocate::relocate): Likewise.
2966         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
2967
2968 2012-09-25  Alan Modra  <amodra@gmail.com>
2969
2970         * object.h (Sized_relobj_file::adjust_local_symbol,
2971         do_adjust_local_symbol): New functions.
2972         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
2973         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
2974         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
2975         and irregular opd entry spacing.
2976         (Powerpc_relobj::do_read_relocs): Add opd size checks.
2977         (Global_symbol_visitor_opd): New functor.
2978         (Target_powerpc::do_finalize_sections): Omit global symbols defined
2979         on deleted opd entries.
2980
2981 2012-09-15  Jiong Wang  <jiwang@tilera.com>
2982
2983         * tilegx.cc: New file.
2984         * Makefile.am (TARGETSOURCES): Add tilegx.cc
2985         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
2986         * configure.tgt: Add entries for tilegx*.
2987         * configure.ac: Likewise.
2988         * Makefile.in: Rebuild.
2989         * configure: Likewise.
2990         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
2991         tilegx.
2992
2993 2012-09-13  Alan Modra  <amodra@gmail.com>
2994
2995         * target-reloc.h (scan_relocs): Call scan.local for relocs
2996         against symbols in discarded sections.  Pass is_discarded
2997         param.
2998         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
2999         Add is_discarded param.
3000         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
3001         is_discarded to flag opd entry as discarded.  Don't emit dyn
3002         relocs on such entries.
3003         (Target_powerpc::Scan::global): Similarly detect and handle
3004         such opd entries.
3005         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
3006         opd_ent_.  Update all uses.
3007         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
3008         (Target_powerpc::relocate_section): Zero out discarded opd
3009         entry relocs.
3010
3011 2012-09-12  Ian Lance Taylor  <iant@google.com>
3012
3013         PR gold/14570
3014         * output.cc: Rename Output_data_got template parameter from size
3015         to got_size for all functions.  Compile all variants of
3016         Output_data_got.
3017         (Output_data_got::Got_entry::write): Correct use of size for
3018         symbol value.  Use local_is_tls rather than casting to
3019         Sized_relobj_file.
3020         * object.h (class Object): Add local_is_tls and do_local_is_tls.
3021         (class Sized_relobj_file): Add do_local_is_tls.
3022         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
3023
3024 2012-09-11  Alan Modra  <amodra@gmail.com>
3025
3026         PR gold/14566
3027         * layout.cc (Layout::set_segment_offsets): When using
3028         common-page-size alignment, ensure we are on a new max-page-size
3029         page.
3030         * output.cc (Output_segment::set_section_addresses): Use
3031         abi_pagesize, not common_pagesize for relro boundary.
3032         (Output_segment::set_offset): Likewise.
3033
3034 2012-09-11  Alan Modra  <amodra@gmail.com>
3035
3036         * output.h (Output_data_got::add_global_tls, add_local_tls,
3037         add_local_tls_pair): New functions.
3038         (Output_data_got::add_local_pair_with_rel): Remove second
3039         reloc param.  Expand comment.
3040         (Output_data_got::Got_entry): Rename use_plt_offset_ to
3041         use_plt_or_tls_offset_, similarly for constructor param.
3042         (Output_data_got::Got_entry::write): Add got_index param.
3043         * output.cc (Output_data_got::add_global_tls, add_local_tls,
3044         add_local_tls_pair): New functions.
3045         (Output_data_got::Got_entry::write): Handle tls symbols
3046         with use_plt_or_tls_offset_ set specially.
3047         (Output_data_got::add_local_pair_with_rel): Only one reloc.
3048         (Output_data_got::do_write): Replace iterator with index, pass
3049         index to entry write function.
3050         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
3051         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
3052         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
3053         call.
3054         * i386.cc (Target_i386::Scan::local): Likewise.
3055         * sparc.cc (Target_sparc::Scan::local): Likewise.
3056         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
3057         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
3058         do_tls_offset_for_global): New functions.
3059         (Target_powerpc::Scan::local): Correct TLS relocations and got
3060         entry values.
3061         (Target_powerpc::Scan::global): Don't emit unnecessary
3062         dynamic relocations on TLS GOT entries.
3063
3064 2012-09-10  Matthias Klose  <doko@ubuntu.com>
3065
3066         * config.in: Disable sanity check for kfreebsd.
3067
3068 2012-09-10  Sterling Augustine  <saugustine@google.com>
3069
3070         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
3071         (Gdb_index::pubtypes_read): New parameter.
3072         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
3073         to calls.
3074         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
3075         pubtypes_object_.
3076
3077 2012-09-09  Alan Modra  <amodra@gmail.com>
3078
3079         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
3080         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
3081         * gc.h (gc_process_relocs): Call target gc_add_reference.
3082         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
3083         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
3084         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
3085         unnecessary cast.
3086         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
3087         to cater for when we don't need code offset.  Update use.
3088         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
3089         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
3090         set_opd_valid): New functions.
3091         (Target_powerpc::do_gc_add_reference): New function.
3092         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
3093         stashed refs.
3094         (Target_powerpc::do_gc_mark_symbol): New function.
3095
3096 2012-09-06  Cary Coutant  <ccoutant@google.com>
3097
3098         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
3099         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
3100         (Dwarf_die::skip_attributes): Likewise.
3101         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
3102         * testsuite/gdb_index_test.cc (inline_func_1): New function.
3103         (main): Call it.
3104         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
3105
3106 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
3107
3108         * testsuite/script_test_3.t: Add .got.plt output section
3109         statement.
3110         * testsuite/script_test_4.t: Likewise.
3111
3112 2012-09-05  Alan Modra  <amodra@gmail.com>
3113
3114         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
3115         update all uses and lose "enum" when using type.
3116
3117 2012-09-05  Alan Modra  <amodra@gmail.com>
3118
3119         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
3120         * configure: Regenerate.
3121         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
3122         (plugin_final_layout.stdout): Likewise.
3123         (memory_test): Set page sizes to 0x1000.
3124         * testsuite/Makefile.in: Regenerate.
3125         * testsuite/discard_locals_test.sh: Add FIXME comment.
3126         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
3127         * testsuite/pr14265.t: Add .got output section statement.
3128         * testsuite/script_test_2.t: Likewise.
3129         * testsuite/script_test_3.t: Likewise.
3130         * testsuite/script_test_4.t: Likewise.
3131         * testsuite/script_test_5.t: Likewise.
3132         * testsuite/script_test_6.t: Likewise.
3133         * testsuite/script_test_7.t: Likewise.
3134         * testsuite/script_test_9.t: Likewise.
3135
3136 2012-09-05  Alan Modra  <amodra@gmail.com>
3137
3138         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
3139         (Powerpc_relocate_functions::Status): New typedef.
3140         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
3141         (Target_powerpc::Scan::local): Handle REL64.
3142         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
3143         for REL32 and REL64.
3144         (Target_powerpc::symval_for_branch): New function, extracted from..
3145         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
3146         checks.  Report overflow errors.
3147
3148 2012-09-05  Alan Modra  <amodra@gmail.com>
3149
3150         * object.h (Sized_relobj_file::emit_relocs): Delete.
3151         (Sized_relobj_file::emit_relocs_reltype): Delete.
3152         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
3153         relocate_relocs for --emit-relocs.
3154         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
3155         * output.h: Update comment.
3156         (Output_segment::first_section): New function.
3157         (Output_segment::first_section_load_address): Use first_section.
3158         * output.cc (Output_segment::first_section): New function extracted..
3159         (Output_segment::first_section_load_address): ..from here.  Delete.
3160         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
3161         * target.h (Sized_target::relocate_for_relocatable): Likewise.
3162         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
3163         adjust call to target.h function.
3164         * i386.cc (Target_i386): Likewise.
3165         * sparc.cc (Target_sparc): Likewise.
3166         * x86_64.cc (Target_x86_64): Likewise.
3167         * powerpc.cc (Target_powerpc): Likewise.
3168         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
3169         first tls section has section symbol for optimised local dynamic
3170         output relocs.
3171         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
3172         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
3173         optimised tls code.
3174         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
3175         Rename to relocate_relocs.  Update error message.
3176
3177 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
3178
3179         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
3180         --just-symbols.
3181
3182 2012-08-31  Alan Modra  <amodra@gmail.com>
3183
3184         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
3185         (Powerpc_relobj::toc_base_offset): New stub function.
3186         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
3187         got_mod_index_offset to tlsld_got_offset.  Update all refs.
3188         (Target_powerpc::Relocate::enum skip_tls): New.
3189         (Target_powerpc::call_tls_get_addr_): New var.
3190         (Target_powerpc::is_branch_reloc): Move to file scope.
3191         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
3192         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
3193         New functions.
3194         (Target_powerpc::enum Got_type): Delete old values, add new ones.
3195         (powerpc_info): Correct common_pagesize for ppc64.
3196         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
3197         (Powerpc_relocate_functions): Add overflow check enums and functions.
3198         Add non-shift version of rela, rela_ua.  Delete all rel public
3199         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
3200         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
3201         addr16_ha3, addr14 functions.
3202         (Output_data_got_powerpc::add_constant_pair): New function.
3203         (Output_data_got_powerpc::got_base_offset): Likewise.
3204         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
3205         (instruction constants): Sort, add some more.
3206         (Output_data_glink::do_write): Add and use Address typedef.  Use
3207         object->toc_base_offset() stub for 64-bit.
3208         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
3209         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
3210         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
3211         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
3212         Always treat .opd relocs as against locally defined symbol.
3213         Correct condition for RELATIVE relocs.
3214         (Target_powerpc::do_finalize_sections): Test for NULL sections.
3215         (Target_powerpc::Relocate::relocate): Use plt call stub as value
3216         for 32-bit syms with a plt entry.  Correct ppc64 toc base
3217         calculations.  Handle TLS relocs, and more.  Add overflow
3218         checking and adjust for Powerpc_relocate_functions changes.
3219         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
3220         Reinstate --emit-relocs code with FIXME.
3221
3222 2012-08-30  Alan Modra  <amodra@gmail.com>
3223
3224         * layout.cc (Layout::set_segment_offsets): Set p_align to
3225         abi_pagesize, not common_pagesize.
3226         (Layout::relaxation_loop_body): Similarly use abi_pagesize
3227         to determine whether file header can go in segment.
3228
3229 2012-08-30  Alan Modra  <amodra@gmail.com>
3230
3231         * output.h (Output_reloc::Output_reloc <output section>): Add
3232         is_relative param.  Adjust calls.
3233         (Output_reloc::add_output_section_relative): New functions.
3234         * output.cc (Output_reloc::Output_reloc <output section>): Handle
3235         is_relative.
3236         (Output_reloc::symbol_value): Handle SECTION_CODE.
3237
3238 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
3239
3240         * gold.cc (queue_middle_tasks): Call layout again when unique
3241         segments for sections is desired.
3242         * layout.cc (Layout::Layout): Initialize new members.
3243         (Layout::get_output_section_flags): New function.
3244         (Layout::choose_output_section): Call get_output_section_flags.
3245         (Layout::layout): Make output section for mapping to a unique segment.
3246         (Layout::insert_section_segment_map): New function.
3247         (Layout::attach_allocated_section_to_segment): Make unique segment for
3248         output sections marked so.
3249         (Layout::segment_precedes): Check for unique segments when sorting.
3250         * layout.h (Layout::Unique_segment_info): New struct.
3251         (Layout::Section_segment_map): New typedef.
3252         (Layout::insert_section_segment_map): New function.
3253         (Layout::get_output_section_flags): New function.
3254         (Layout::is_unique_segment_for_sections_specified): New function.
3255         (Layout::set_unique_segment_for_sections_specified): New function.
3256         (Layout::unique_segment_for_sections_specified_): New member.
3257         (Layout::section_segment_map_): New member.
3258         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
3259         Rename is_gc_pass_one to is_pass_one.
3260         Rename is_gc_pass_two to is_pass_two.
3261         Rename is_gc_or_icf to is_two_pass.
3262         Check for which pass based on whether symbols data is present.
3263         Make it two pass when unique segments for sections is desired.
3264         * output.cc (Output_section::Output_section): Initialize new
3265         members.
3266         * output.h (Output_section::is_unique_segment): New function.
3267         (Output_section::set_is_unique_segment): New function.
3268         (Output_section::is_unique_segment_): New member.
3269         (Output_section::extra_segment_flags): New function.
3270         (Output_section::set_extra_segment_flags): New function.
3271         (Output_section::extra_segment_flags_): New member.
3272         (Output_section::segment_alignment): New function.
3273         (Output_section::set_segment_alignment): New function.
3274         (Output_section::segment_alignment_): New member.
3275         (Output_segment::Output_segment): Initialize is_unique_segment_.
3276         (Output_segment::is_unique_segment): New function.
3277         (Output_segment::set_is_unique_segment): New function.
3278         (Output_segment::is_unique_segment_): New member.
3279         * plugin.cc (allow_unique_segment_for_sections): New function.
3280         (unique_segment_for_sections): New function.
3281         (Plugin::load): Add new functions to transfer vector.
3282         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
3283         * Makefile.in: Regenerate.
3284         * testsuite/plugin_final_layout.sh: Check if unique segment
3285         functionality works.
3286         * testsuite/plugin_section_order.c (onload): Check if new interfaces
3287         are available.
3288         (allow_unique_segment_for_sections): New global.
3289         (unique_segment_for_sections): New global.
3290         (claim_file_hook): Call allow_unique_segment_for_sections.
3291         (all_symbols_read_hook): Call unique_segment_for_sections.
3292
3293 2012-08-22  Cary Coutant  <ccoutant@google.com>
3294
3295         * layout.cc (Layout::include_section): Don't assert on GROUP
3296         sections with --emit-relocs.
3297
3298 2012-08-21  Cary Coutant  <ccoutant@google.com>
3299
3300         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
3301         if --export-dynamic-symbol names an undef symbol.
3302
3303 2012-08-18  Alan Modra  <amodra@gmail.com>
3304
3305         * powerpc.cc: Formatting and white space.
3306         (Powerpc_relobj): Rename got2_section_ to special_.
3307         Add opd_ent_shndx_ and opd_ent_off_ vectors.
3308         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
3309         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
3310         (Target_powerpc): Add Address typedef and invalid_address.  Use
3311         throughout.
3312         (Target_powerpc::is_branch_reloc): New function.
3313         (Powerpc_relocate_functions): Add Address typedef, use throughout.
3314         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
3315         for dst_mask, value and addend.
3316         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
3317         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
3318         (Output_data_glink::do_write): Correct toc base.  Don't try to use
3319         uint16_t for 24-bit offset.  Use get_output_section_offset and
3320         check return.
3321         (Target_powerpc::Scan::local): Handle more relocs.
3322         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
3323         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
3324         Plug in toc restoring insn after plt calls.  Translate branches
3325         to function descriptor symbols to corresponding entry point.
3326         (Target_powerpc::relocate_for_relocatable): Check return from
3327         get_output_section_offset.
3328         * symtab.h: Comment typo.
3329
3330 2012-08-14  Ian Lance Taylor  <iant@google.com>
3331
3332         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
3333         unsupported_relocal_local to call unsupported_reloc_global.
3334
3335 2012-08-14  Nick Clifton  <nickc@redhat.com>
3336
3337         PR ld/14265
3338         * script-sections.cc (Sections_element::output_section_name): Add
3339         keep return parameter.
3340         (Output_section_element::match_name): Add keep return parameter.
3341         Return the value of the keep_ member.
3342         * script-sections.h (class Output_section): Update
3343         output_section_name prototype.
3344         * layout.cc (Layout::keep_input_section): New public member
3345         function.
3346         (Layout::choose_output_section): Pass keep parameter to
3347         output_section_name.
3348         * layout.h (class Layout): Add keep_input_section.
3349         * object.cc (Sized_relobj_file::do_layout): Check for kept input
3350         sections.
3351         * testsuite/Makefile.am: Add a test.
3352         * testsuite/Makefile.in: Regenerate.
3353         * testsuite/pr14265.c: Source file for the test.
3354         * testsuite/pr14265.t: Linker script for the test.
3355         * testsuite/pr14265.sh: Shell script for the test.
3356
3357 2012-08-14  Alan Modra  <amodra@gmail.com>
3358
3359         * target.h (Target::output_section_name): New function.
3360         (Target::do_output_section_name): New function.
3361         * layout.cc (Layout::choose_output_section): Call the above.
3362         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
3363
3364 2012-08-14  Alan Modra  <amodra@gmail.com>
3365
3366         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
3367         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
3368         for replace_constant call.
3369         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
3370         (Output_data_glink::do_print_to_mapfile): New function.
3371         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
3372         (Target_powerpc::Relocate::relocate): Likewise.
3373
3374 2012-08-14  Alan Modra  <amodra@gmail.com>
3375
3376         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
3377         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
3378         (Output_data_glink::add_entry,find_entry): Remove shndx param.
3379         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
3380         all references to shndx_.  Handle special case for R_PPC_PLTREL24
3381         here.
3382         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
3383         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
3384         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
3385         here.
3386         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
3387         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
3388
3389 2012-08-12  Alan Modra  <amodra@gmail.com>
3390
3391         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
3392         (glink insn constants): Use uint32_t.
3393         (Output_data_glink::add_entry): Use insert, not [] operator.
3394
3395 2012-08-11  Alan Modra  <amodra@gmail.com>
3396
3397         * object.h (Sized_relobj_file::find_shdr): New function.
3398         (Sized_relobj_file::find_special_sections): New function.
3399         * object.cc (Sized_relobj_file::find_shdr): New function.
3400         (Sized_relobj_file::find_eh_frame): Use find_shdr.
3401         (Sized_relobj_file::find_special_sections): New function, split out..
3402         (Sized_relobj_file::do_read_symbols): ..from here.
3403         * output.h (Output_data_got::replace_constant): New function.
3404         (Output_data_got::num_entries): New function.
3405         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
3406         (Output_data_got::got_offset): Protected rather than private.
3407         (Output_data_got::replace_got_entry): New function.
3408         * output.cc (Output_data_got::replace_got_entry): New function.
3409         * powerpc.cc (class Powerpc_relobj): New.
3410         (class Powerpc_relocate_functions): Delete all psymval variants or
3411         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
3412         Implement _ha functions using corresponding _hi function.
3413         (Powerpc_relobj::find_special_sections): New function.
3414         (Target_powerpc::do_make_elf_object): New function.
3415         (class Output_data_got_powerpc): New.
3416         (class Output_data_glink): New.
3417         (class Powerpc_scan_relocatable_reloc): New.
3418         Many more changes througout file.
3419
3420 2012-08-09  Nick Clifton  <nickc@redhat.com>
3421
3422         * po/vi.po: Updated Vietnamese translation.
3423
3424 2012-08-07  Ian Lance Taylor  <iant@google.com>
3425
3426         * layout.cc (Layout::add_target_dynamic_tags): If
3427         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
3428         plt_rel.
3429
3430 2012-07-30  Nick Clifton  <nickc@redhat.com>
3431
3432         * po/gold.pot: Updated template.
3433         * po/es.po: Updated Spanish translation.
3434
3435 2012-07-18  Cary Coutant  <ccoutant@google.com>
3436
3437         PR gold/14344
3438         * configure.ac: Add check for -gpubnames support.
3439         * configure: Regenerate.
3440         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
3441         support; force -gno-pubnames.
3442         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
3443         support.
3444         (gdb_index_test_4): New test.
3445         * testsuite/Makefile.in: Regenerate.
3446         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
3447         * testsuite/gdb_index_test_2.sh: Likewise.
3448         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
3449         * testsuite/gdb_index_test_4.sh: New script.
3450         * testsuite/gdb_index_test_comm.sh: New script with common code;
3451         don't look for space after colon.
3452
3453 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
3454
3455         * gold.cc (queue_middle_tasks): Update function order only after
3456         deferred objects due to plugins are processed.
3457
3458 2012-07-11  Ian Lance Taylor  <iant@google.com>
3459
3460         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
3461         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
3462         (Target_arm::scan_reloc_for_stub): Likewise.
3463         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
3464         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
3465         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
3466         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
3467         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
3468
3469 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
3470             Ian Lance Taylor  <iant@google.com>
3471
3472         PR gold/14309
3473         * configure.ac: Test whether std::tr1::hash<off_t> works.
3474         * gold.h: Add a specialization for std::tr1::hash<off_t> if
3475         needed.
3476         * output.h (class Output_fill): Add virtual destructor.
3477         * configure, config.in: Rebuild.
3478
3479 2012-06-22  Roland McGrath  <mcgrathr@google.com>
3480
3481         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
3482
3483 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
3484
3485         * plugin.cc (Plugin::load): Handle position independent executables.
3486
3487 2012-06-06  Cary Coutant  <ccoutant@google.com>
3488
3489         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
3490         add .debug_macro.
3491         (lines_only_debug_sections): Likewise.
3492         (gdb_fast_lookup_sections): New static array.
3493         (is_gdb_debug_section): Rename formal parameter.
3494         (is_lines_only_debug_section): Likewise.
3495         (is_gdb_fast_lookup_section): New function.
3496         (Layout::include_section): Check for ".zdebug_" prefix; pass
3497         section name suffix to is_gdb_debug_section, et al.; check for
3498         fast-lookup sections when building .gdb_index.
3499         * options.h (--strip-debug-gdb): Update GDB version number.
3500
3501 2012-06-06  Cary Coutant  <ccoutant@google.com>
3502
3503         * configure.ac: Add check for fallocate.
3504         * configure: Regenerate.
3505         * config.in: Regenerate.
3506
3507         * options.h (class General_options): Add --mmap-output-file and
3508         --posix-fallocate options.
3509         * output.cc: (posix_fallocate): Remove; replace with...
3510         (gold_fallocate): New function.
3511         (Output_file::map_no_anonymous): Call gold_fallocate.
3512         (Output_file::map): Check --mmap-output-file option.
3513
3514 2012-06-05  Jing Yu  <jingyu@google.com>
3515
3516         * gold.h (textdomain): Add do {} to empty while(0).
3517         (bindtextdomain): Likewise.
3518
3519 2012-06-04  Cary Coutant  <ccoutant@google.com>
3520
3521         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
3522         has_dynsym_index.
3523
3524 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
3525
3526         * symtab.cc (Symbol_table::define_special_symbol):
3527         Initialize *poldsym to prevent uninitialized variable errors.
3528
3529 2012-05-23  Cary Coutant  <ccoutant@google.com>
3530
3531         * layout.cc (Layout::section_name_mapping): Add rules to handle
3532         exact match on .data.rel.ro.local or .data.rel.ro.
3533         (Layout::output_section_name): Check for exact matches.
3534
3535 2012-05-23  Cary Coutant  <ccoutant@google.com>
3536
3537         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
3538         more carefully.
3539
3540 2012-05-22  Cary Coutant  <ccoutant@google.com>
3541
3542         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
3543         object before exporting symbol.
3544
3545 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3546
3547         * testsuite/tls_test.cc: Include "config.h" first.
3548         * testsuite/tls_test_c.c: Likewise.
3549
3550 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
3551             Nick Clifton  <nickc@redhat.com>
3552
3553         PR 14072
3554         * configure.in: Add check that sysdep.h has been included before
3555         any system header files.
3556         * configure: Regenerate.
3557         * config.in: Regenerate.
3558
3559 2012-05-14  Cary Coutant  <ccoutant@google.com>
3560
3561         * layout.cc (Layout::make_output_section): Mark .tdata section
3562         as RELRO.
3563         * testsuite/relro_test.cc: Add a TLS variable.
3564
3565 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
3566
3567         PR gold/14091
3568         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
3569         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
3570         R_X86_64_64.
3571
3572 2012-05-08  Cary Coutant  <ccoutant@google.com>
3573
3574         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
3575         (lines_only_debug_sections): Likewise.
3576
3577 2012-05-02  Roland McGrath  <mcgrathr@google.com>
3578
3579         * nacl.cc: New file.
3580         * nacl.h: New file.
3581         * Makefile.am (CCFILES, HFILES): Add them.
3582         * Makefile.in: Regenerate.
3583         * i386.cc (Output_data_plt_i386_nacl): New class.
3584         (Output_data_plt_i386_nacl_exec): New class.
3585         (Output_data_plt_i386_nacl_dyn): New class.
3586         (Target_i386_nacl): New class.
3587         (Target_selector_i386_nacl): New class.
3588         (target_selector_i386): Use it instead of Target_selector_i386.
3589         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
3590         (Target_x86_64_nacl): New class.
3591         (Target_selector_x86_64_nacl): New class.
3592         (target_selector_x86_64, target_selector_x32): Use it instead of
3593         Target_selector_x86_64.
3594         * arm.cc (Output_data_plt_arm_nacl): New class.
3595         (Target_arm_nacl): New class.
3596         (Target_selector_arm_nacl): New class.
3597         (target_selector_arm, target_selector_armbe): Use it instead of
3598         Target_selector_arm.
3599
3600         * target-select.cc (select_target): Take new Input_file* and off_t
3601         arguments, pass them on to recognize method of selector.
3602         * object.cc (make_elf_sized_object): Update caller.
3603         * parameters.cc (parameters_force_valid_target): Likewise.
3604         * incremental.cc (make_sized_incremental_binary): Likewise.
3605         * target-select.h: Update decl.
3606         (Target_selector::recognize): Take new Input_file* argument,
3607         pass it on to do_recognize.
3608         (Target_selector::do_recognize): Take new Input_file* argument.
3609         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
3610         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
3611         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
3612         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
3613
3614         * target.h (Target::Target_info): New members isolate_execinstr
3615         and rosegment_gap.
3616         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
3617         * arm.cc (Target_arm::arm_info): Update initializer.
3618         * i386.cc (Target_i386::i386_info): Likewise.
3619         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
3620         * sparc.cc (Target_sparc::sparc_info): Likewise.
3621         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
3622         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
3623         * layout.cc (Layout::attach_allocated_section_to_segment):
3624         Take new const Target* argument.  If target->isolate_execinstr(), act
3625         like --rosegment.
3626         (Layout::find_first_load_seg): Take new const Target* argument;
3627         if target->isolate_execinstr(), reject PF_X segments.
3628         (Layout::relaxation_loop_body): Update caller.
3629         (Layout::set_segment_offsets): If target->isolate_execinstr(),
3630         reset file offset to zero when we hit LOAD_SEG, and then do a second
3631         loop over the segments before LOAD_SEG to reassign offsets after
3632         addresses have been determined.  Handle target->rosegment_gap().
3633         (Layout::attach_section_to_segment): Take new const Target* argument;
3634         pass it to attach_allocated_section_to_segment.
3635         (Layout::make_output_section): Update caller.
3636         (Layout::attach_sections_to_segments): Take new const Target* argument;
3637         pass it to attach_section_to_segment.
3638         * gold.cc (queue_middle_tasks): Update caller.
3639         * layout.h (Layout): Update method decls with new arguments.
3640
3641         * arm.cc (Target_arm::Target_arm): Take optional argument for the
3642         Target_info pointer to use.
3643         (Target_arm::do_make_data_plt): New virtual method.
3644         (Target_arm::make_data_plt): New method that calls it.
3645         (Target_arm::make_plt_entry): Use it.
3646         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
3647         for the section alignment.
3648         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
3649         method.
3650         (Output_data_plt_arm::first_plt_entry_offset): Call it.
3651         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
3652         method.
3653         (Output_data_plt_arm::get_plt_entry_size): Call it.
3654         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
3655         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
3656         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
3657         method.
3658         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
3659         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
3660         method instead of sizeof(plt_entry).
3661         (Output_data_plt_arm::add_entry): Likewise.
3662         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
3663         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
3664         than static method.
3665         (Target_arm::plt_entry_size): Likewise.
3666         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
3667         Move to ...
3668         (Output_data_plt_arm_standard): ... here, new class.
3669         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
3670         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
3671         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
3672
3673         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
3674         Take additional argument for the PLT entry size.
3675         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
3676         Use get_plt_entry_size method rather than plt_entry_size variable.
3677         (Output_data_plt_x86_64::reserve_slot): Likewise.
3678         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
3679         (Output_data_plt_x86_64::add_entry): Likewise.
3680         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
3681         (Output_data_plt_x86_64::address_for_global): Likewise.
3682         (Output_data_plt_x86_64::address_for_local): Likewise.
3683         (Output_data_plt_x86_64::set_final_data_size): Likewise.
3684         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
3685         Make method non-static.
3686         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
3687         method.
3688         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
3689         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
3690         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
3691         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
3692         virtual method.
3693         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
3694         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
3695         virtual method.
3696         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
3697         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
3698         virtual method.
3699         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
3700         (Output_data_plt_x86_64::plt_entry_size)
3701         (Output_data_plt_x86_64::first_plt_entry)
3702         (Output_data_plt_x86_64::plt_entry)
3703         (Output_data_plt_x86_64::tlsdesc_plt_entry)
3704         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
3705         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
3706         (Output_data_plt_x86_64_standard): ... here, new class.
3707         (Target_x86_64::Target_x86_64): Take optional argument for the
3708         Target_info pointer to use.
3709         (Target_x86_64::do_make_data_plt): New virtual method.
3710         (Target_x86_64::make_data_plt): New method to call it.
3711         (Target_x86_64::init_got_plt_for_update): Use that.
3712         Call this->plt_->add_eh_frame method here.
3713         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
3714         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
3715         rather than static method.
3716         (Target_x86_64::plt_entry_size): Likewise.
3717         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
3718         rather than plt_entry_size variable.  Move guts of PLT filling to...
3719         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
3720         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
3721         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
3722
3723         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
3724         additional argument for the section alignment.
3725         Don't do add_eh_frame_for_plt here.
3726         (Output_data_plt_i386::first_plt_entry_offset): Make the method
3727         non-static.  Use get_plt_entry_size method rather than plt_entry_size
3728         variable.
3729         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
3730         method.
3731         (Output_data_plt_i386::get_plt_entry_size): Call it.
3732         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
3733         (Output_data_plt_i386::add_eh_frame): New method to call it.
3734         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
3735         method.
3736         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
3737         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
3738         method.
3739         (Output_data_plt_i386::fill_plt_entry): New method to call it.
3740         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
3741         method instead of plt_entry_size.
3742         (Output_data_plt_i386::plt_entry_size)
3743         (Output_data_plt_i386::plt_eh_frame_fde_size)
3744         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
3745         (Output_data_plt_i386_standard): ... here, new class.
3746         (Output_data_plt_i386_exec): New class.
3747         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
3748         (Output_data_plt_i386_exec::first_plt_entry): ... here.
3749         (Output_data_plt_i386::exec_plt_entry): Move to ...
3750         (Output_data_plt_i386_exec::plt_entry): ... here.
3751         (Output_data_plt_i386_dyn): New class.
3752         (Output_data_plt_i386::first_plt_entry): Move to ...
3753         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
3754         (Output_data_plt_i386::dyn_plt_entry): Move to ...
3755         (Output_data_plt_i386_dyn::plt_entry): ... here.
3756         (Target_i386::Target_i386): Take optional argument for the Target_info
3757         pointer to use.
3758         (Target_i386::do_make_data_plt): New virtual method.
3759         (Target_i386::make_data_plt): New method to call it.
3760         (Target_i386::make_plt_section): Use that.
3761         Call this->plt_->add_eh_frame method here.
3762         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
3763         rather than plt_entry_size variable.
3764         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
3765         (Output_data_plt_i386::address_for_local): Likewise.
3766         (Output_data_plt_i386::do_write): Likewise.
3767         Move guts of PLT filling to...
3768         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
3769         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
3770         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
3771         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
3772
3773 2012-05-01  Cary Coutant  <ccoutant@google.com>
3774
3775         * dwarf_reader.cc (Dwarf_die::read_attributes)
3776         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
3777         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
3778         * reduced_debug_output.cc
3779         (Output_reduced_debug_info_section::get_die_end): Remove
3780         DW_FORM_GNU_ref_index.  Add default case.
3781
3782 2012-04-26  Mark Wielaard  <mjw@redhat.com>
3783
3784         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
3785         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
3786         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
3787         DW_AT_high_pc as offset from DW_AT_low_pc.
3788
3789         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
3790         * testsuite/Makefile.in: Regenerate.
3791         * testsuite/gdb_index_test_3.c: New test source file.
3792         * testsuite/gdb_index_test_3.sh: New test source file.
3793
3794 2012-04-25  Ian Lance Taylor  <iant@google.com>
3795
3796         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
3797         pointer.
3798         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
3799         as a class, not a struct.
3800         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
3801         (Target_arm::apply_cortex_a8_workaround): Likewise.
3802         * gc.h: Declare Reloc_types as a struct, not a class.
3803         * object.h: Declare Symbols_data as a struct.
3804         * reloc.h: Declare Read_relocs_data as a struct.
3805         * target.h: Declare Relocate_info as a struct.
3806
3807 2012-04-24  David S. Miller  <davem@davemloft.net>
3808
3809         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
3810         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
3811         and R_SPARC_WPLT30.
3812
3813 2012-04-24  Cary Coutant  <ccoutant@google.com>
3814
3815         * incremental-dump.cc (find_input_containing_global): Replace
3816         magic number with symbolic constant.
3817         (dump_incremental_inputs): Update version number.
3818         * incremental.cc (Output_section_incremental_inputs): Update version
3819         number; import symbolic constants from Incremental_inputs_reader.
3820         (Incremental_inputs::create_data_sections): Align relocations
3821         section correctly for 64-bit targets.
3822         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
3823         constants; add padding.
3824         (Output_section_incremental_inputs::write_header): Add assert for
3825         header_size.
3826         (Output_section_incremental_inputs::write_input_files): Add assert
3827         for input_entry_size.
3828         (Output_section_incremental_inputs::write_info_blocks): Add padding;
3829         add assert for object_info_size, input_section_entry_size,
3830         global_sym_entry_size.
3831         * incremental.h (Incremental_inputs_reader): Add symbolic constants
3832         for data structure sizes; use them.
3833         (Incremental_input_entry_reader): Import symbolic constants from
3834         Incremental_inputs_reader; use them.
3835
3836 2012-04-23  David S. Miller  <davem@davemloft.net>
3837
3838         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
3839         and elf_flags_set_.
3840         (Target_sparc::Target_sparc): Initialize new fields.
3841         (Target_sparc::do_make_elf_object): New function.
3842         (Target_sparc::do_adjust_elf_header): New function.
3843
3844 2012-04-23  Cary Coutant  <ccoutant@google.com>
3845
3846         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
3847         CU range table of gdb index.
3848
3849 2012-04-20  David S. Miller  <davem@davemloft.net>
3850
3851         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
3852         instead of false.
3853
3854 2012-04-16  David S. Miller  <davem@davemloft.net>
3855
3856         * sparc.cc (Target_sparc::got_address): New function.
3857         (Sparc_relocate_functions::gdop_hix22): New function.
3858         (Sparc_relocate_functions::gdop_lox10): New function.
3859         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
3860         relocs.
3861         (Target_sparc::Scan::local): Likewise if the global symbol is not
3862         preemptible and is not IFUNC.
3863         (Target_sparc::Relocate::relocate): Perform GOTDATA code
3864         transformations for local and non-preemptible non-IFUNC global
3865         symbols.
3866
3867         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
3868         writing out 64-bit part of ranges.
3869
3870         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
3871         -fpic and -fpie respectively.
3872         * Makefile.in: Regenerate.
3873
3874         * sparc.cc (class Target_sparc): Add rela_ifunc_.
3875         (Target_sparc::Target_sparc): Initialize new field.
3876         (Target_sparc::do_plt_section_for_global): New function.
3877         (Target_sparc::do_plt_section_for_local): New function.
3878         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
3879         (Target_sparc::make_plt_section): New function, broken out of
3880         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
3881         (Target_sparc::make_plt_entry): Call make_plt_section.
3882         (Target_sparc::make_local_ifunc_plt_entry): New function.
3883         (Target_sparc::rela_ifunc_section): New function.
3884         (Target_sparc::plt_section): Remove const.
3885         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
3886         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
3887         and ifunc_count_ fields.
3888         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
3889         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
3890         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
3891         (Output_data_plt_sparc::rela_ifunc): New function.
3892         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
3893         (Output_data_plt_sparc::has_ifunc_section): New function.
3894         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
3895         (Output_data_plt_sparc::address_for_global): New function.
3896         (Output_data_plt_sparc::address_for_local): New function.
3897         (Output_data_plt_sparc::plt_index_to_offset): New function.
3898         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
3899         and entry_count.
3900         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
3901         entry_count.
3902         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
3903         R_SPARC_JMP_IREL to switch.
3904         (Target_sparc::Scan::check_non_pic): Likewise.
3905         (Target_sparc::Scan::local): Handle IFUNC symbols.
3906         (Target_sparc::Scan::local): Likewise.
3907         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
3908         and plt_address_for_local.
3909         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
3910         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
3911
3912         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
3913         (class Output_data_reloc): Adjust calls to Output_reloc_type.
3914         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
3915         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
3916         global relocs too.
3917         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
3918         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
3919         calls.
3920         * sparc.cc (Target_sparc::Scan::global): Likewise.
3921         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
3922
3923 2012-04-16  Cary Coutant  <ccoutant@google.com>
3924
3925         * archive.cc (Library_base::should_include_member): Check for
3926         --export-dynamic-symbol.
3927         * options.h (class General_options): Add --export-dynamic-symbol.
3928         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
3929         --export-dynamic-symbol.
3930         (Symbol_table::gc_mark_undef_symbols): Likewise.
3931         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
3932
3933 2012-04-12  David S. Miller  <davem@davemloft.net>
3934
3935         * sparc.cc (Reloc::wdisp10): New relocation method.
3936         (Reloc::h34): Likewise.
3937         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
3938         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
3939         R_SPARC_WDISP10.
3940         (Target_sparc::Scan::local): Likewise.
3941         (Target_sparc::Scan::global): Likewise.
3942         (Target_sparc::Relocate::relocate): Likewise.
3943
3944 2012-04-09  Cary Coutant  <ccoutant@google.com>
3945
3946         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
3947         low_pc == 0.
3948
3949 2012-04-06  Ian Lance Taylor  <iant@google.com>
3950
3951         * timer.cc: #include <unistd.h>.
3952
3953 2012-04-06  Roland McGrath  <mcgrathr@google.com>
3954
3955         * configure.in (AC_CHECK_HEADERS): Add locale.h.
3956         * config.in: Regenerate.
3957         * configure: Regenerate.
3958
3959 2012-04-05  Nick Clifton  <nickc@redhat.com>
3960
3961         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
3962         (AM_LC_MESSAGES): Add.
3963         * aclocal.m4: Regenerate.
3964         * config.in: Regenerate.
3965         * configure: Regenerate.
3966
3967 2012-03-21  Cary Coutant  <ccoutant@google.com>
3968
3969         * Makefile.am: Add gdb-index.cc, gdb-index.h.
3970         * Makefile.in: Regenerate.
3971         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
3972         (Sized_elf_reloc_mapper::symbol_section): New function.
3973         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
3974         (make_elf_reloc_mapper): New function.
3975         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
3976         (Dwarf_abbrev_table::do_read_abbrevs): New function.
3977         (Dwarf_abbrev_table::do_get_abbrev): New function.
3978         (Dwarf_ranges_table::read_ranges_table): New function.
3979         (Dwarf_ranges_table::read_range_list): New function.
3980         (Dwarf_pubnames_table::read_section): New function.
3981         (Dwarf_pubnames_table::read_header): New function.
3982         (Dwarf_pubnames_table::next_name): New function.
3983         (Dwarf_die::Dwarf_die): New function.
3984         (Dwarf_die::read_attributes): New function.
3985         (Dwarf_die::skip_attributes): New function.
3986         (Dwarf_die::set_name): New function.
3987         (Dwarf_die::set_linkage_name): New function.
3988         (Dwarf_die::attribute): New function.
3989         (Dwarf_die::string_attribute): New function.
3990         (Dwarf_die::int_attribute): New function.
3991         (Dwarf_die::uint_attribute): New function.
3992         (Dwarf_die::ref_attribute): New function.
3993         (Dwarf_die::child_offset): New function.
3994         (Dwarf_die::sibling_offset): New function.
3995         (Dwarf_info_reader::check_buffer): New function.
3996         (Dwarf_info_reader::parse): New function.
3997         (Dwarf_info_reader::do_parse): New function.
3998         (Dwarf_info_reader::do_read_string_table): New function.
3999         (Dwarf_info_reader::lookup_reloc): New function.
4000         (Dwarf_info_reader::get_string): New function.
4001         (Dwarf_info_reader::visit_compilation_unit): New function.
4002         (Dwarf_info_reader::visit_type_unit): New function.
4003         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
4004         Sized_elf_reloc_mapper.
4005         (Sized_dwarf_line_info::symbol_section): Remove function.
4006         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
4007         (Sized_dwarf_line_info::read_line_mappings): Remove object
4008         parameter, adjust callers.
4009         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
4010         * dwarf_reader.h: Include <sys/types.h>.
4011         (class Track_relocs): Remove forward declaration.
4012         (class Elf_reloc_mapper): New class.
4013         (class Sized_elf_reloc_mapper): New class.
4014         (class Dwarf_abbrev_table): New class.
4015         (class Dwarf_range_list): New class.
4016         (class Dwarf_ranges_table): New class.
4017         (class Dwarf_pubnames_table): New class.
4018         (class Dwarf_die): New class.
4019         (class Dwarf_info_reader): New class.
4020         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
4021         (Sized_dwarf_line_info::symbol_section): Remove member function.
4022         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
4023         base class.
4024         * gdb-index.cc: New source file.
4025         * gdb-index.h: New source file.
4026         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
4027         and .debug_types sections, call Layout::add_to_gdb_index.
4028         (Sized_relobj_incr::do_section_name): Implement.
4029         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
4030         return type; Implement.
4031         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
4032         return type.
4033         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
4034         parameter list and return type.
4035         (Sized_incr_dynobj::do_section_contents): Likewise.
4036         * layout.cc: Include gdb-index.h.
4037         (Layout::Layout): Initialize gdb_index_data_.
4038         (Layout::init_fixed_output_section): Check for .gdb_index section.
4039         (Layout::add_to_gdb_index): New function. Instantiate.
4040         * layout.h: Add forward declaration for class Gdb_index.
4041         (Layout::add_to_gdb_index): New member function.
4042         (Layout::gdb_index_data_): New data member.
4043         * main.cc: Include gdb-index.h.
4044         (main): Print statistics for gdb index.
4045         * object.cc (Object::section_contents): Move code into
4046         do_section_contents.
4047         (need_decompressed_section): Check for sections needed when building
4048         gdb index.
4049         (build_compressed_section_map): Likewise.
4050         (Sized_relobj_file::do_read_symbols): Need local symbols when building
4051         gdb index.
4052         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
4053         sections; call Layout::add_to_gdb_index.
4054         (Sized_relobj_file::do_decompressed_section_contents): Call
4055         do_section_contents directly.
4056         * object.h (Object::do_section_contents): Adjust parameter list and
4057         return type.
4058         (Object::do_decompressed_section_contents): Call do_section_contents
4059         directly.
4060         (Sized_relobj_file::do_section_contents): Adjust parameter list and
4061         return type.
4062         * options.h (class General_options): Add --gdb-index option.
4063         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
4064         list and return type.
4065         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
4066         * reloc.h (Track_relocs::checkpoint): New function.
4067         (Track_relocs::reset): New function.
4068
4069         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
4070         New test cases.
4071         * testsuite/Makefile.in: Regenerate.
4072         * testsuite/gdb_index_test.cc: New test source file.
4073         * testsuite/gdb_index_test_1.sh: New test source file.
4074         * testsuite/gdb_index_test_2.sh: New test source file.
4075
4076 2012-03-19  Doug Kwan  <dougkwan@google.com>
4077
4078         * arm.cc (Target_arm::do_define_standard_symbols): New method.
4079         (Target_arm::do_finalize_sections): Remove code which defines
4080         __exidx_start and __exidx_end.  Make symbol table parameter
4081         anonymous as it is not used.
4082         * gold.cc (queue_middle_tasks): Call target hook to define any
4083         target-specific symbols.
4084         * target.h (Target::define_standard_symbols): New method.
4085         (Target::do_define_standard_symbols): Same.
4086         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
4087         * testsuite/Makefile.in: Regenerate.
4088         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
4089         and __exidx_end.
4090         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
4091         relocations are generated for __exidx_start and __exidx_end.
4092
4093 2012-03-16  Doug Kwan  <dougkwan@google.com>
4094
4095         * testsuite/Makefile.am: Disable test initpri3b.
4096         * testsuite/Makefile.in: Regenerate.
4097
4098 2012-03-15  Doug Kwan  <dougkwan@google.com>
4099
4100         * arm.cc (Target_arm::got_section): Make .got section read-only
4101         if -z now is given.
4102
4103 2012-03-15  Ian Lance Taylor  <iant@google.com>
4104
4105         PR gold/13850
4106         * layout.cc (Layout::make_output_section): Correctly mark
4107         SHT_INIT_ARRAY, et. al., as relro.
4108
4109 2012-03-14  Doug Kwan  <dougkwan@google.com>
4110
4111         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
4112         dynamic relocations for protected symbols in shared objects.
4113
4114 2012-03-13  Ian Lance Taylor  <iant@google.com>
4115
4116         * resolve.cc (Symbol_table::resolve): When merging common symbols,
4117         keep the larger alignment.
4118
4119 2012-03-12  Cary Coutant  <ccoutant@google.com>
4120
4121         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
4122         handling of DW_LNE_define_file.
4123
4124 2012-03-12  Cary Coutant  <ccoutant@google.com>
4125
4126         * reduced_debug_output.cc
4127         (Output_reduced_debug_info_section::get_die_end): Add new FORM
4128         codes to switch.
4129
4130 2012-02-29  Cary Coutant  <ccoutant@google.com>
4131
4132         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
4133
4134 2012-02-29  Cary Coutant  <ccoutant@google.com>
4135
4136         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4137         Call Object::decompressed_section_contents.
4138         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
4139         New dtor.
4140         (Sized_dwarf_line_info::buffer_start_): New data member.
4141         * merge.cc (Output_merge_data::do_add_input_section): Call
4142         Object::decompressed_section_contents.
4143         (Output_merge_string::do_add_input_section): Likewise.
4144         * object.cc (need_decompressed_section): New function.
4145         (build_compressed_section_map): Decompress sections needed later.
4146         (Sized_relobj_file::do_decompressed_section_contents): New function.
4147         (Sized_relobj_file::do_discard_decompressed_sections): New function.
4148         * object.h (Object::decompressed_section_contents): New function.
4149         (Object::discard_decompressed_sections): New function.
4150         (Object::do_decompressed_section_contents): New function.
4151         (Object::do_discard_decompressed_sections): New function.
4152         (Compressed_section_info): New type.
4153         (Compressed_section_map): Include decompressed section contents.
4154         (Sized_relobj_file::do_decompressed_section_contents): New function.
4155         (Sized_relobj_file::do_discard_decompressed_sections): New function.
4156
4157 2012-02-16  Cary Coutant  <ccoutant@google.com>
4158
4159         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
4160         * testsuite/Makefile.in: Regenerate.
4161
4162 2012-02-14  Cary Coutant  <ccoutant@google.com>
4163
4164         * options.cc (General_options::finalize): Disallow -pie and -static.
4165
4166 2012-02-03  Doug Kwan  <dougkwan@google.com>
4167
4168         * arm.cc (Arm_relocate_functions::abs8,
4169         Arm_relocate_functions::abs16): Use
4170         Bits::has_signed_unsigned_overflow32.
4171         (Arm_relocate_functions::thm_abs8): Correct range of
4172         overflow check.
4173         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
4174         in assertions.
4175
4176 2012-02-02  Doug Kwan  <dougkwan@google.com>
4177
4178         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
4179         position independent outputs, not just shared objects.
4180
4181 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
4182
4183         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
4184         * configure: Regenerated.
4185
4186 2012-01-27  Ian Lance Taylor  <iant@google.com>
4187
4188         * reloc.h (Bits): New class with static functions, copied from
4189         namespace utils in arm.cc.
4190         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
4191         instead.
4192
4193 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
4194
4195         * incremental.cc (write_info_blocks): Correct relocation offset.
4196
4197 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
4198
4199         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
4200         (Relocate::tls_gd_to_le): Likewise.
4201
4202 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
4203
4204         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
4205
4206 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
4207
4208         * configure.ac: Check if -mcmodel=medium works.
4209         * configure: Regenerated.
4210
4211 2012-01-24  Cary Coutant  <ccoutant@google.com>
4212
4213         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
4214         definition and ...
4215         (read_unsigned_LEB_128_x): ... this new function.
4216         (read_signed_LEB_128): Replaced with inline definition and ...
4217         (read_signed_LEB_128_x): ... this new function.
4218         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
4219         (read_unsigned_LEB_128): Add inline definition.
4220         (read_signed_LEB_128_x): New function.
4221         (read_signed_LEB_128): Add inline definition.
4222         * testsuite/Makefile.am (leb128_unittest): New unit test.
4223         * testsuite/Makefile.in: Regenerate.
4224         * testsuite/leb128_unittest.cc: New unit test.
4225
4226 2012-01-23  Ian Lance Taylor  <iant@google.com>
4227
4228         PR gold/13617
4229         * i386.cc (Target_i386::do_code_fill): When using a jmp
4230         instruction, pad with nop instructions.
4231         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
4232
4233 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
4234
4235         * x86_64.cc (gc_process_relocs): Add typename on types used in
4236         template.
4237         (scan_relocs): Likewise.
4238         (relocate_section): Likewise.
4239         (apply_relocation): Likewise.
4240
4241 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
4242
4243         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
4244         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
4245         under x32.
4246
4247 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
4248
4249         * x86_64.cc: Initial support for x32.
4250
4251 2012-01-03  Cary Coutant  <ccoutant@google.com>
4252
4253         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
4254         Use abstract base class for GOT.
4255         * gold/output.h (class Output_data_got_base): New abstract base class.
4256         (class Output_data_got): Derive from new base class, adjust ctors.
4257         (Output_data_got::reserve_slot): Make virtual; rename to
4258         do_reserve_slot; Adjust callers.
4259         * gold/target.h (Sized_target::init_got_plt_for_update): Return
4260         pointer to abstract base class.
4261         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
4262
4263 2011-12-18  Ian Lance Taylor  <iant@google.com>
4264
4265         * object.h (Relobj::local_symbol_value): New function.
4266         (Relobj::local_plt_offset): New function.
4267         (Relobj::local_has_got_offset): New function.
4268         (Relobj::local_got_offset): New function.
4269         (Relobj::set_local_got_offset): New function.
4270         (Relobj::do_local_symbol_value): New pure virtual function.
4271         (Relobj::do_local_plt_offset): Likewise.
4272         (Relobj::do_local_has_got_offset): Likewise.
4273         (Relobj::do_local_got_offset): Likewise.
4274         (Relobj::do_set_local_got_offset): Likewise.
4275         (Sized_relobj::do_local_has_got_offset): Rename from
4276         local_has_got_offset.
4277         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
4278         (Sized_relobj::do_set_local_got_offset): Rename from
4279         set_local_got_offset.
4280         (Sized_relobj_file::do_local_plt_offset): Rename from
4281         local_plt_offset.
4282         (Sized_relobj_file::do_local_symbol_value): New function.
4283         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
4284         local_plt_offset.
4285         * output.cc (Output_data_got::Got_entry::write): Change object to
4286         Relobj.  Use local_symbol_value.
4287         (Output_data_got::add_global_with_rel): Change rel_dyn to
4288         Output_data_reloc_generic*.  Use add_global_generic.
4289         (Output_data_got::add_global_with_rela): Remove.  Change all
4290         callers to use add_global_with_rel.
4291         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
4292         Output_data_reloc_generic*.  Use add_global_generic.
4293         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
4294         callers to use add_global_pair_with_rel.
4295         (Output_data_got::add_local): Change object to Relobj*.
4296         (Output_data_got::add_local_plt): Likewise.
4297         (Output_data_got::add_local_with_rel): Change object to Relobj*,
4298         change rel_dyn to Output_data_reloc_generic*.  Use
4299         add_local_generic.
4300         (Output_data_got::add_local_with_rela): Remove.  Change all
4301         callers to use all_local_with_rel.
4302         (Output_data_got::add_local_pair_with_rel): Change object to
4303         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
4304         add_output_section_generic.
4305         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
4306         callers to use add_local_pair_with_rel.
4307         (Output_data_got::reserve_local): Change object to Relobj*.
4308         * output.h: (class Output_data_reloc_generic): Add pure virtual
4309         declarations for add_global_generic, add_local_generic,
4310         add_output_section_generic.
4311         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
4312         functions for Output_data_reloc_generic.  Update declarations for
4313         changes listed in output.cc.
4314         (class Output_data_got): Change template parameter to got_size.
4315         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
4316         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
4317         function.
4318         (Sized_relobj_incr::do_local_plt_offset): New function.
4319         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
4320         add_global_generic.
4321
4322 2011-12-17  Cary Coutant  <ccoutant@google.com>
4323
4324         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
4325         * resolve.cc (Symbol_table::resolve): Likewise.
4326         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
4327         arrays.
4328         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
4329
4330 2011-12-16  Ian Lance Taylor  <iant@google.com>
4331
4332         * output.h (Output_data_reloc_generic::add): Only call
4333         add_dynamic_reloc if this is a dynamic reloc section.
4334
4335 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
4336
4337         PR gold/13505
4338         * target-reloc.h (apply_relocation): Replace <64, false> with
4339         <size, big_endian>.
4340
4341 2011-11-25  Nick Clifton  <nickc@redhat.com>
4342
4343         * po/it.po: New Italian translation.
4344
4345 2011-11-17  Sterling Augustine  <saugustine@google.com>
4346
4347         * script.cc (script_include_directive): Implement.
4348         (read_script_file): New local variables name and search_path. Update
4349         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
4350         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
4351         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
4352
4353 2011-11-11  Sterling Augustine  <saugustine@google.com>
4354
4355         * yyscript.y (section_cmd): Add support for INCLUDE directive.
4356         (file_or_sections_cmd): Likewise.
4357
4358 2011-11-11  Doug Kwan  <dougkwan@google.com>
4359
4360         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
4361         if --just-symbols is given.
4362
4363 2011-11-10  Doug Kwan  <dougkwan@google.com>
4364
4365         PR gold/13362
4366         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
4367         when processing data relocs.
4368         * reloc.h (Relocate_functions::rel_unaligned): New method.
4369         (Relocate_functions::pcrel_unaligned): Ditto.
4370         (Relocate_functions::rel32_unaligned): Ditto.
4371         (Relocate_functions::pcrel32_unaligned): Ditto.
4372
4373 2011-11-09  Doug Kwan  <dougkwan@google.com>
4374
4375         PR gold/13362
4376         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
4377         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
4378         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
4379         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
4380         (Relocate_functions::rel_unaligned): New.
4381         (Relocate_functions::rel32_unaligned): New.
4382         * target-reloc.h (relocate_for_relocatable): Add code to handle
4383         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
4384         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
4385         arm_unaligned_reloc_r): New targets.
4386         * testsuite/Makefile.in: Regenerate.
4387         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
4388         linking.
4389
4390 2011-11-02  Ian Lance Taylor  <iant@google.com>
4391
4392         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
4393         NATIVE_LINKER.
4394         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
4395         * options.cc (General_options::finalize): Use library search path
4396         from configure script if specified.  If not native and no sysroot,
4397         only search TOOLLIBDIR.
4398         * options.h (Search_directory::Search_directory): Change name to
4399         const std::string&.
4400         (General_options::add_to_library_path_with_sysroot): Change arg to
4401         const std::string&.
4402         * configure, Makefile.in, config.in: Rebuild.
4403
4404 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4405
4406         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
4407         we are working around the ARM1176 Erratum.
4408         * options.h (General_options::fix_arm1176): Add option.
4409         * testsuite/Makefile.am: Add testcases, and keep current ones
4410         working.
4411         * testsuite/Makefile.in: Regenerate.
4412         * testsuite/arm_fix_1176.s: New file.
4413         * testsuite/arm_fix_1176.sh: Likewise.
4414
4415 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4416
4417         * arm.cc (Target_arm::Target_arm): Remove initialisation of
4418         may_use_blx_.
4419         (Target_arm::may_use_blx): Remove method.
4420         (Target_arm::set_may_use_blx): Likewise.
4421         (Target_arm::may_use_v4t_interworking): New method.
4422         (Target_arm::may_use_v5t_interworking): Likewise.
4423         (Target_arm::may_use_blx_): Remove member variable.
4424         (Arm_relocate_functions::arm_branch_common): Check for v5T
4425         interworking.
4426         (Arm_relocate_functions::thumb_branch_common): Likewise.
4427         (Reloc_stub::stub_type_for_reloc): Likewise.
4428         (Target_arm::do_finalize_sections): Correct interworking checks.
4429         * testsuite/Makefile.am: Add new tests.
4430         * testsuite/Makefile.in: Regenerate.
4431         * testsuite/arm_farcall_arm_arm.s: New test.
4432         * testsuite/arm_farcall_arm_arm.sh: Likewise.
4433         * testsuite/arm_farcall_arm_thumb.s: Likewise.
4434         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
4435         * testsuite/arm_farcall_thumb_arm.s: Likewise.
4436         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
4437         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
4438         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
4439
4440 2011-10-31  Cary Coutant  <ccoutant@google.com>
4441
4442         PR gold/13023
4443         * expression.cc (Expression::eval_with_dot): Add
4444         is_section_dot_assignment parameter.
4445         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
4446         absolute and assigning to dot within a section.
4447         * script-sections.cc
4448         (Output_section_element_assignment::set_section_addresses): Pass
4449         dot_section to set_if_absolute.
4450         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
4451         as is_section_dot_assignment flag to eval_with_dot.
4452         (Output_section_element_dot_assignment::set_section_addresses):
4453         Likewise.
4454         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
4455         parameter.  Also set value if relative to dot_section; set the
4456         symbol's output_section.
4457         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
4458         parameter.  Adjust all callers.
4459         (Expression::eval_maybe_dot): Likewise.
4460         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
4461         Adjust all callers.
4462         * testsuite/script_test_2.t: Test assignment of an absolute value
4463         to dot within an output section element.
4464
4465 2011-10-31  Cary Coutant  <ccoutant@google.com>
4466
4467         * options.h (class General_options): Add --[no-]gnu-unique options.
4468         * symtab.cc (Symbol_table::sized_write_globals): Convert
4469         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
4470
4471 2011-10-31  Cary Coutant  <ccoutant@google.com>
4472
4473         PR gold/13359
4474         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
4475         unnecessary assertion.
4476         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
4477
4478 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
4479
4480         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
4481         gc_mark_symbol.
4482         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
4483         gc_mark_symbol.
4484         Change to just keep the section associated with symbol.
4485         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
4486         they are externally visible and --export-dynamic is turned on.
4487         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
4488
4489 2011-10-19  Ian Lance Taylor  <iant@google.com>
4490
4491         PR gold/13163
4492         * script-sections.cc
4493         (Output_section_element_dot_assignment::needs_output_section): New
4494         function.
4495
4496 2011-10-19  Ian Lance Taylor  <iant@google.com>
4497
4498         PR gold/13204
4499         * layout.cc (Layout::segment_precedes): Don't assert failure if a
4500         --section-start option was seen.
4501         * options.h (General_options::any_section_start): New function.
4502
4503 2011-10-18  David S. Miller  <davem@davemloft.net>
4504
4505         PR binutils/13301
4506         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
4507         member to track relocation locations that have moved during TLS
4508         reloc optimizations.
4509         (Target_sparc::Relocate::Relocate): Initialize to NULL.
4510         (Target_sparc::Relocate::relocate): Adjust view down by 4
4511         bytes if it matches reloc_adjust_addr_.
4512         (Target_sparc::Relocate::relocate_tls): Always move the
4513         __tls_get_addr call delay slot instruction forward 4 bytes when
4514         performing relaxation.
4515
4516 2011-10-18  Cary Coutant  <ccoutant@google.com>
4517
4518         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
4519         (Output_file::map_no_anonymous): Check for non-zero
4520         return code from posix_fallocate.
4521
4522 2011-10-17  Cary Coutant  <ccoutant@google.com>
4523
4524         PR gold/13245
4525         * plugin.cc (is_visible_from_outside): Check for symbols
4526         referenced from dynamic objects.
4527         * resolve.cc (Symbol_table::resolve): Don't count references
4528         from dynamic objects as references from real ELF files.
4529         * testsuite/plugin_test_2.sh: Adjust expected result.
4530
4531 2011-10-17  Cary Coutant  <ccoutant@google.com>
4532
4533         * gold.cc: Include timer.h.
4534         (queue_middle_tasks): Stamp time.
4535         (queue_final_tasks): Likewise.
4536         * main.cc (main): Store timer in parameters.  Print timers
4537         for each pass.
4538         * parameters.cc (Parameters::Parameters): Initialize timer_.
4539         (Parameters::set_timer): New function.
4540         (set_parameters_timer): New function.
4541         * parameters.h (Parameters::set_timer): New function.
4542         (Parameters::timer): New function.
4543         (Parameters::timer_): New data member.
4544         (set_parameters_timer): New function.
4545         * timer.cc (Timer::stamp): New function.
4546         (Timer::get_pass_time): New function.
4547         * timer.h (Timer::stamp): New function.
4548         (Timer::get_pass_time): New function.
4549         (Timer::pass_times_): New data member.
4550
4551 2011-10-17  Cary Coutant  <ccoutant@google.com>
4552
4553         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
4554         task for members of lib groups.
4555
4556 2011-10-17  Cary Coutant  <ccoutant@google.com>
4557
4558         PR gold/13288
4559         * fileread.cc (File_read::find_view): Add assert.
4560         (File_read::make_view): Move bounds check (replace with assert)...
4561         (File_read::find_or_make_view): ... to here.
4562
4563 2011-10-12  Cary Coutant  <ccoutant@google.com>
4564
4565         * output.cc (Output_file::open_base_file): Handle case where
4566         ::read returns less than requested size.
4567
4568 2011-10-10  Cary Coutant  <ccoutant@google.com>
4569
4570         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
4571         Initialize defined_count_.
4572         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
4573         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
4574         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
4575         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
4576         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
4577         * incremental.h (Sized_relobj_incr::defined_count_): New data
4578         member.
4579         (Sized_incr_dynobj::defined_count_): New data member.
4580         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
4581         Return zeroes instead of internal error.
4582
4583 2011-10-10  Cary Coutant  <ccoutant@google.com>
4584
4585         PR gold/13249
4586         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
4587         (Output_reloc::symbol_value): Return PLT offset if flag is set.
4588         * output.h (class Output_reloc): Add use_plt_offset flag.
4589         (Output_reloc::type_): Adjust size of bit field.
4590         (Output_reloc::use_plt_offset_): New bit field.
4591         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
4592         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
4593         flag.  Adjust all callers.
4594         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
4595         creating RELATIVE relocations.
4596
4597 2011-10-10  Nick Clifton  <nickc@redhat.com>
4598
4599         * po/es.po: Updated Spanish translation.
4600         * po/fi.po: Updated Finnish translation.
4601
4602 2011-10-03   Diego Novillo  <dnovillo@google.com>
4603
4604         * options.cc (parse_uint): Fix dereference of RETVAL.
4605
4606 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
4607
4608         * layout.h (section_order_map_): New member.
4609         (get_section_order_map): New member function.
4610         * output.cc (Output_section::add_input_section): Check for patterns
4611         only when --section-ordering-file is specified.
4612         * gold.cc (queue_middle_tasks): Delay updating order of sections till
4613         output_sections have been formed.
4614         * layout.cc (Layout_Layout): Initialize section_order_map_.
4615         * plugin.cc (update_section_order): Store order in order_map. Do not
4616         update the order.
4617         * testsuite/Makefile.am: Add test case for plugin_final_layout.
4618         * testsuite/Makefile.in: Regenerate.
4619         * testsuite/plugin_section_order.c: New file.
4620         * testsuite/plugin_final_layout.cc: New file.
4621         * testsuite/plugin_final_layout.sh: New file.
4622
4623 2011-09-29  Cary Coutant  <ccoutant@google.com>
4624
4625         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
4626         Check for NULL.
4627         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
4628         symbols during incremental update.
4629         (Symbol_table::add_from_dynobj): Likewise.
4630
4631 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4632             Ian Lance Taylor  <iant@google.com>
4633
4634         * symtab.cc (Symbol_table::define_special_symbol): Always
4635         canonicalize version string.
4636
4637 2011-09-26  Cary Coutant  <ccoutant@google.com>
4638
4639         * gold.cc (queue_initial_tasks): Move option checks ...
4640         * options.cc (General_options::finalize): ... to here. Disable
4641         some options; make others fatal.
4642
4643 2011-09-26  Cary Coutant  <ccoutant@google.com>
4644
4645         gcc PR lto/47247
4646         * plugin.cc (get_symbols_v2): New function.
4647         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
4648         (is_referenced_from_outside): New function.
4649         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
4650         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
4651         (get_symbols): Pass version parameter.
4652         (get_symbols_v2): New function.
4653         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
4654         parameter.
4655         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
4656         (onload): Add LDPT_GET_SYMBOLS_V2.
4657         (all_symbols_read_hook): Use get_symbols_v2; check for
4658         LDPR_PREVAILING_DEF_IRONLY_EXP.
4659         * testsuite/plugin_test_3.sh: Update expected results.
4660
4661 2011-09-23  Simon Baldwin  <simonb@google.com>
4662
4663         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
4664         configuration options.
4665         * configure: Regenerate.
4666         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
4667         * Makefile.in: Regenerate.
4668         * testsuite/Makefile.in: Regenerate.
4669
4670 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
4671
4672         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
4673
4674 2011-09-19  Cary Coutant  <ccoutant@google.com>
4675
4676         * incremental.cc (can_incremental_update): Fix typo in comment.
4677         * incremental.h (can_incremental_update): Likewise.
4678
4679 2011-09-18  Cary Coutant  <ccoutant@google.com>
4680
4681         * incremental.cc (can_incremental_update): New function.
4682         * incremental.h (can_incremental_update): New function.
4683         * layout.cc (Layout::init_fixed_output_section): Call it.
4684         (Layout::make_output_section): Don't allow patch space in .eh_frame.
4685         * object.cc (Sized_relobj_file::do_layout): Call
4686         can_incremental_update.
4687
4688 2011-09-13  Cary Coutant  <ccoutant@google.com>
4689
4690         * configure.ac: Check for glibc support for gnu_indirect_function
4691         support with static linking, setting automake conditional
4692         IFUNC_STATIC.
4693         * Makefile.in: Regenerate.
4694         * configure: Regenerate.
4695
4696         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
4697         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
4698         for IFUNC_STATIC.
4699         * testsuite/Makefile.in: Regenerate.
4700
4701 2011-09-13  Cary Coutant  <ccoutant@google.com>
4702
4703         * incremental.cc (Sized_relobj_incr::do_layout): Call
4704         report_comdat_group for kept comdat sections.
4705         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
4706         * testsuite/Makefile.in: Regenerate.
4707         * testsuite/incr_comdat_test_1.cc: New source file.
4708         * testsuite/incr_comdat_test_2_v1.cc: New source file.
4709         * testsuite/incr_comdat_test_2_v2.cc: New source file.
4710         * testsuite/incr_comdat_test_2_v3.cc: New source file.
4711
4712 2011-09-13  Ian Lance Taylor  <iant@google.com>
4713
4714         * object.cc (Sized_relobj_file::do_layout): Remove unused local
4715         variable external_symbols_offset.
4716
4717 2011-09-12  Ian Lance Taylor  <iant@google.com>
4718
4719         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
4720         triggered if object has no symbols.
4721
4722 2011-09-09  David S. Miller  <davem@davemloft.net>
4723
4724         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
4725         (Output_fill_debug_line::do_write): Likewise.
4726
4727 2011-08-29  Cary Coutant  <ccoutant@google.com>
4728
4729         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
4730         casts to match formatting specs.
4731         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
4732
4733 2011-08-26  Cary Coutant  <ccoutant@google.com>
4734
4735         * layout.cc (Free_list::allocate): Provide guarantee of minimum
4736         remaining hole size when allocating.
4737         (Layout::make_output_section): Set fill methods for debug sections.
4738         * layout.h (Free_list::Free_list_node): Move from private to
4739         public.
4740         (Free_list::set_min_hole_size): New function.
4741         (Free_list::begin, Free_list::end): New functions.
4742         (Free_list::min_hole_): New data member.
4743         * output.cc: Include dwarf.h.
4744         (Output_fill_debug_info::do_minimum_hole_size): New function.
4745         (Output_fill_debug_info::do_write): New function.
4746         (Output_fill_debug_line::do_minimum_hole_size): New function.
4747         (Output_fill_debug_line::do_write): New function.
4748         (Output_section::Output_section): Initialize new data member.
4749         (Output_section::set_final_data_size): Ensure patch space is larger
4750         than minimum hole size.
4751         (Output_section::do_write): Fill holes in debug sections.
4752         * output.h (Output_fill): New class.
4753         (Output_fill_debug_info): New class.
4754         (Output_fill_debug_line): New class.
4755         (Output_section::set_free_space_fill): New function.
4756         (Output_section::free_space_fill_): New data member.
4757         * testsuite/Makefile.am (incremental_test_3): Add
4758         --incremental-patch option.
4759         (incremental_test_4): Likewise.
4760         (incremental_test_5): Likewise.
4761         (incremental_test_6): Likewise.
4762         (incremental_copy_test): Likewise.
4763         (incremental_common_test_1): Likewise.
4764         * testsuite/Makefile.in: Regenerate.
4765
4766 2011-08-26  Nick Clifton  <nickc@redhat.com>
4767
4768         * po/es.po: Updated Spanish translation.
4769
4770 2011-08-01  Cary Coutant  <ccoutant@google.com>
4771
4772         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
4773         * gold/testsuite/Makefile.in: Regenerate.
4774         * gold/testsuite/justsyms_exec.c: New source file.
4775         * gold/testsuite/justsyms_lib.c: New source file.
4776
4777 2011-08-01  Cary Coutant  <ccoutant@google.com>
4778
4779         * layout.cc (Layout::set_segment_offsets): Don't realign text
4780         segment if -Ttext was specified.
4781         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
4782         file type.
4783         * object.h (Sized_relobj_file::e_type): New function.
4784         (Sized_relobj_file::e_type_): New data member.
4785         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
4786         base address for ET_EXEC files.
4787         * target.cc (Target::do_make_elf_object_implementation): Allow
4788         ET_EXEC files with --just-symbols option.
4789
4790 2011-07-28  Cary Coutant  <ccoutant@google.com>
4791
4792         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
4793         Add thread_number parameter.
4794         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
4795         * workqueue-threads.cc
4796         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
4797         current thread if its thread number is greater than desired thread
4798         count.
4799         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
4800         Add thread_number parameter.
4801         (Workqueue::should_cancel_thread): Likewise.
4802         (Workqueue::find_runnable_or_wait): Pass thread_number to
4803         should_cancel_thread.
4804         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
4805         parameter.
4806
4807 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
4808
4809         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
4810         only after checking if it cannot be forced local.
4811         * symtab.h (is_externally_visible): Check if the symbol is not forced
4812         local.
4813
4814 2011-07-15  Ian Lance Taylor  <iant@google.com>
4815
4816         * options.h (class General_options): Add --print-output-format.
4817         Move -EL next to -EB, for  better --help output.
4818         * target-select.cc: Include <cstdio>, "options.h", and
4819         "parameters.h".
4820         (Target_selector::do_target_bfd_name): New function.
4821         (print_output_format): New function.
4822         * target-select.h (class Target_selector): Update declarations.
4823         (Target_selector::target_bfd_name): New function.
4824         (print_output_format): Declare.
4825         * main.cc: Include "target-select.h".
4826         (main): Handle --print-output-format.
4827         * gold.cc: Include "target-select.h".
4828         (queue_initial_tasks): Handle --print-output-format when there are
4829         no input files.
4830         * parameters.cc (parameters_force_valid_target): Give a better
4831         error message if -EB/-EL does not match target.
4832         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
4833         function.
4834
4835 2011-07-15  Ian Lance Taylor  <iant@google.com>
4836
4837         * i386.cc (class Output_data_plt_i386): Add layout_ field.
4838         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
4839         (Output_data_plt_i386::do_write): Write address of .dynamic
4840         section to first entry in .got.plt section.
4841         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
4842         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
4843         Initialize layout_.
4844         (Output_data_plt_x86_64::do_write): Write address of .dynamic
4845         section to first entry in .got.plt section.
4846         * layout.h (Layout::dynamic_section): New function.
4847
4848 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
4849
4850         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
4851         to claim_file call.
4852         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
4853         input_section_position_, and input_section_glob_.
4854         (read_layout_from_file): Call function section_ordering_specified.
4855         * layout.h (is_section_ordering_specified): New function.
4856         (section_ordering_specified): New function.
4857         (section_ordering_specified_): New boolean member.
4858         * main.cc(main): Call load_plugins after layout object is defined.
4859         * output.cc (Output_section::add_input_section): Use
4860         function section_ordering_specified to check if section ordering is
4861         needed.
4862         * output.cc (Output_section::add_relaxed_input_section): Use
4863         function section_ordering_specified to check if section ordering is
4864         needed.
4865         (Output_section::update_section_layout): New function.
4866         (Output_section::sort_attached_input_sections): Check if input section
4867         must be reordered.
4868         * output.h (Output_section::update_section_layout): New function.
4869         * plugin.cc (get_section_count): New function.
4870         (get_section_type): New function.
4871         (get_section_name): New function.
4872         (get_section_contents): New function.
4873         (update_section_order): New function.
4874         (allow_section_ordering): New function.
4875         (Plugin::load): Add the new interfaces to the transfer vector.
4876         (Plugin_manager::load_plugins): New parameter.
4877         (Plugin_manager::all_symbols_read): New parameter.
4878         (Plugin_manager::claim_file): New parameter. Save the elf object for
4879         unclaimed objects.
4880         (Plugin_manager::get_elf_object): New function.
4881         (Plugin_manager::get_view): Change to directly use the bool to check
4882         if get_view is called from claim_file_hook.
4883         * plugin.h (input_objects): New function
4884         (Plugin__manager::load_plugins): New parameter.
4885         (Plugin_manager::claim_file): New parameter.
4886         (Plugin_manager::get_elf_object): New function.
4887         (Plugin_manager::in_claim_file_handler): New function.
4888         (Plugin_manager::in_claim_file_handler_): New member.
4889         (layout): New function.
4890         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
4891         handler with an extra parameter. Make the elf object before calling
4892         claim_file handler.
4893         * testsuite/plugin_test.c (get_section_count): New function pointer.
4894         (get_section_type): New function pointer.
4895         (get_section_name): New function pointer.
4896         (get_section_contents): New function pointer.
4897         (update_section_order): New function pointer.
4898         (allow_section_ordering): New function pointer.
4899         (onload): Check if the new interfaces exist.
4900
4901 2011-07-13  Ian Lance Taylor  <iant@google.com>
4902
4903         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
4904         relro section.
4905         * x86_64.cc (Target_x86_64::got_section): Likewise.
4906         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
4907         (relro_now_test_SOURCES): New variable.
4908         (relro_now_test_DEPENDENCIES): New variable.
4909         (relro_now_test_LDFLAGS): New variable.
4910         (relro_now_test_LDADD): New variable.
4911         (relro_now_test.so): New target.
4912         * testsuite/Makefile.in: Rebuild.
4913
4914 2011-07-12  Ian Lance Taylor  <iant@google.com>
4915
4916         PR gold/12980
4917         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
4918         GLOB_DAT relocation rather than a RELATIVE relocation for a
4919         protected symbol when creating a shared library.
4920         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
4921         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
4922         * testsuite/protected_main_1.cc (main): Test that protected
4923         function has same address.
4924
4925 2011-07-11  Ian Lance Taylor  <iant@google.com>
4926
4927         PR gold/12979
4928         * options.h (class General_options): Add -Bgroup.
4929         * options.cc (General_options::finalize): If -Bgroup is set,
4930         default to --unresolved-symbols=report-all.
4931         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
4932         * target-reloc.h (issue_undefined_symbol_error): Handle
4933         --unresolved-symbols=report-all.
4934
4935 2011-07-08  Ian Lance Taylor  <iant@google.com>
4936
4937         PR gold/11985
4938         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
4939         if linker script discards key sections.
4940         (Layout::create_dynamic_symtab): Likewise.
4941         (Layout::assign_local_dynsym_offsets): Likewise.
4942         (Layout::sized_create_version_sections): Likewise.
4943         (Layout::create_interp): Likewise.
4944         (Layout::finish_dynamic_section): Likewise.
4945         (Layout::set_dynamic_symbol_size): Likewise.
4946
4947 2011-07-08  Ian Lance Taylor  <iant@google.com>
4948
4949         PR gold/12386
4950         * options.h (class General_options): Add --unresolved-symbols.
4951         * target-reloc.h (issue_undefined_symbol_error): Check
4952         --unresolved-symbols.  Add comments.
4953
4954 2011-07-08  Ian Lance Taylor  <iant@google.com>
4955
4956         * testsuite/odr_violation2.cc (Ordering::operator()): Make
4957         expression more complex.
4958
4959 2011-07-08  Ian Lance Taylor  <iant@google.com>
4960
4961         PR gold/11317
4962         * target-reloc.h (issue_undefined_symbol_error): New inline
4963         function, broken out of relocate_section.
4964         (relocate_section): Call issue_undefined_symbol_error.
4965         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
4966         there is no TLS segment if we are about to issue an undefined
4967         symbol error.
4968         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
4969
4970 2011-07-08  Ian Lance Taylor  <iant@google.com>
4971
4972         PR gold/12279
4973         * resolve.cc (Symbol_table::should_override): Add fromtype
4974         parameter.  Change all callers.  Give error when linking together
4975         TLS and non-TLS symbol.
4976         (Symbol_table::should_override_with_special): Add fromtype
4977         parameter.  Change all callers.
4978         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
4979         there is no TLS segment if we have reported some errors.
4980         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
4981
4982 2011-07-08  Ian Lance Taylor  <iant@google.com>
4983
4984         PR gold/12372
4985         * target.h (Target::plt_address_for_global): New function.
4986         (Target::plt_address_for_local): New function.
4987         (Target::plt_section_for_global): Remove.
4988         (Target::plt_section_for_local): Remove.
4989         (Target::do_plt_address_for_global): New virtual function.
4990         (Target::do_plt_address_for_local): New virtual function.
4991         (Target::do_plt_section_for_global): Remove.
4992         (Target::do_plt_section_for_local): Remove.
4993         (Target::register_global_plt_entry): Add Symbol_table and Layout
4994         parameters.
4995         * output.cc (Output_data_got::Got_entry::write): Use
4996         plt_address_for_global and plt_address_for_local.
4997         * layout.cc (Layout::add_target_dynamic_tags): Use size and
4998         address of output section.
4999         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
5000         got_irelative_, and irelative_count_ fields.  Update
5001         declarations.
5002         (Output_data_plt_i386::has_irelative_section): New function.
5003         (Output_data_plt_i386::entry_count): Add irelative_count_.
5004         (Output_data_plt_i386::set_final_data_size): Likewise.
5005         (class Target_i386): Add got_irelative_ and rel_irelative_
5006         fields.  Update declarations.
5007         (Target_i386::Target_i386): Initialize new fields.
5008         (Target_i386::do_plt_address_for_global): New function replacing
5009         do_plt_section_for_global.
5010         (Target_i386::do_plt_address_for_local): New function replacing
5011         do_plt_section_for_local.
5012         (Target_i386::got_section): Create got_irelative_.
5013         (Target_i386::rel_irelative_section): New function.
5014         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
5015         fields.  Don't define __rel_iplt_{start,end}.
5016         (Output_data_plt_i386::add_entry): Add symtab and layout
5017         parameters.  Change all callers.  Use different PLT and GOT for
5018         IFUNC symbols.
5019         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
5020         layout parameters.  Change all callers.  Use different PLT and
5021         GOT.
5022         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
5023         (Output_data_plt_i386::rel_irelative): New function.
5024         (Output_data_plt_i386::address_for_global): New function.
5025         (Output_data_plt_i386::address_for_local): New function.
5026         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
5027         IRELATIVE GOT when changing IFUNC GOT entries.
5028         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
5029         reloc.
5030         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
5031         if we didn't create an IRELATIVE GOT.
5032         (Target_i386::Relocate::relocate): Use plt_address_for_global and
5033         plt_address_for_local.
5034         (Target_i386::do_dynsym_value): Use plt_address_for_global.
5035         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
5036         got_irelative_, and irelative_count_ fields.  Update
5037         declarations.
5038         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
5039         Initialize new fields.  Remove symtab parameter.  Change all
5040         callers.
5041         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
5042         irelative_count_.
5043         (Output_data_plt_x86_64::has_irelative_section): New function.
5044         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
5045         (class Target_x86_64): Add got_irelative_ and rel_irelative_
5046         fields.  Update declarations.
5047         (Target_x86_64::Target_x86_64): Initialize new fields.
5048         (Target_x86_64::do_plt_address_for_global): New function replacing
5049         do_plt_section_for_global.
5050         (Target_x86_64::do_plt_address_for_local): New function replacing
5051         do_plt_section_for_local.
5052         (Target_x86_64::got_section): Create got_irelative_.
5053         (Target_x86_64::rela_irelative_section): New function.
5054         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
5055         all callers.  Don't create __rel_iplt_{start,end}.
5056         (Output_data_plt_x86_64::add_entry): Add symtab and layout
5057         parameters.  Change all callers.  Use different PLT and GOT for
5058         IFUNC symbols.
5059         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
5060         layout parameters.  Change all callers.  Use different PLT and
5061         GOT.
5062         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
5063         parameters.  Change all callers.  Use different PLT and GOT for
5064         IFUNC symbols.
5065         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
5066         (Output_data_plt_x86_64::rela_irelative): New function.
5067         (Output_data_plt_x86_64::address_for_global): New function.
5068         (Output_data_plt_x86_64::address_for_local): New function.
5069         (Output_data_plt_x86_64::set_final_data_size): Likewise.
5070         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
5071         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
5072         (Target_x86_64::register_global_plt_entry): Add symtab and layout
5073         parameters.
5074         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
5075         reloc.
5076         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
5077         symbols if we didn't create an IRELATIVE GOT.
5078         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
5079         plt_address_for_local.
5080         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
5081         * testsuite/ifuncvar1.c: New test file.
5082         * testsuite/ifuncvar2.c: New test file.
5083         * testsuite/ifuncvar3.c: New test file.
5084         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
5085         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
5086         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
5087         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
5088         * testsuite/Makefile.in: Rebuild.
5089
5090 2011-07-07  Cary Coutant  <ccoutant@google.com>
5091
5092         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
5093         (two_file_test_1_ndebug.o): Likewise.
5094         (two_file_test_1b_ndebug.o): Likewise.
5095         (two_file_test_2_ndebug.o): Likewise.
5096         (two_file_test_main_ndebug.o): Likewise.
5097         (incremental_test_2): Link with no-debug versions.
5098
5099 2011-07-06  Cary Coutant  <ccoutant@google.com>
5100
5101         * gold/incremental.cc
5102         (Output_section_incremental_inputs::write_info_blocks): Check for
5103         hidden and internal symbols.
5104
5105 2011-07-06  Cary Coutant  <ccoutant@google.com>
5106
5107         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
5108         Check disposition for startup file.
5109         (Incremental_inputs::report_command_line): Ignore
5110         --incremental-startup-unchanged option.
5111         * options.cc (General_options::parse_incremental_startup_unchanged):
5112         New function.
5113         (General_options::General_options): Initialize new data member.
5114         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
5115         (General_options): Add --incremental-startup-unchanged option.
5116         (General_options::incremental_startup_disposition): New function.
5117         (General_options::incremental_startup_disposition_): New data member.
5118
5119 2011-07-06  Cary Coutant  <ccoutant@google.com>
5120
5121         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
5122         input file index to Script_info ctor.
5123         (Sized_incremental_binary::do_file_has_changed): Find the
5124         command-line argument for files named in scripts.
5125         * incremental.h (Script_info::Script_info): New ctor
5126         with input file index.
5127         (Script_info::input_file_index): New function.
5128         (Script_info::input_file_index_): New data member.
5129         (Incremental_binary::get_library): Add const.
5130         (Incremental_binary::get_script_info): Add const.
5131         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
5132         * testsuite/Makefile.am (incremental_test_5): New test case.
5133         (incremental_test_6): New test case.
5134         * testsuite/Makefile.in: Regenerate.
5135
5136 2011-07-06  Cary Coutant  <ccoutant@google.com>
5137
5138         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
5139         debug output when command lines differ.
5140
5141 2011-07-06  Cary Coutant  <ccoutant@google.com>
5142
5143         * incremental.cc (Incremental_inputs::report_command_line): Ignore
5144         --incremental-patch option.
5145         * layout.cc (Free_list::allocate): Extend allocation beyond original
5146         end if enabled.
5147         (Layout::make_output_section): Mark sections that should get
5148         patch space.
5149         * options.cc (parse_percent): New function.
5150         * options.h (parse_percent): New function.
5151         (DEFINE_percent): New macro.
5152         (General_options): Add --incremental-patch option.
5153         * output.cc (Output_section::Output_section): Initialize new data
5154         members.
5155         (Output_section::add_input_section): Print section name when out
5156         of patch space.
5157         (Output_section::add_output_section_data): Likewise.
5158         (Output_section::set_final_data_size): Add patch space when
5159         doing --incremental-full.
5160         (Output_section::do_reset_address_and_file_offset): Remove patch
5161         space.
5162         (Output_segment::set_section_list_addresses): Print debug output
5163         only if --incremental-update.
5164         * output.h (Output_section::set_is_patch_space_allowed): New function.
5165         (Output_section::is_patch_space_allowed_): New data member.
5166         (Output_section::patch_space_): New data member.
5167         * parameters.cc (Parameters::incremental_full): New function.
5168         * parameters.h (Parameters::incremental_full): New function
5169         * testsuite/Makefile.am (incremental_test_2): Add test for
5170         --incremental-patch option.
5171         * testsuite/Makefile.in: Regenerate.
5172         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
5173         (t18): Remove function body.
5174
5175 2011-07-05  Doug Kwan  <dougkwan@google.com>
5176
5177         PR gold/12771
5178         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
5179         Arm_Address type for relocation result.
5180         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
5181         overflow check.
5182         (Arm_relocate_functions::abs32): Use unaligned access.
5183         (Arm_relocate_functions::rel32): Ditto.
5184         (Arm_relocate_functions::prel31): Ditto.
5185         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
5186         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
5187         static data relocations.
5188         * testsuite/Makefile.in: Regnerate.
5189         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
5190
5191 2011-07-05  Ian Lance Taylor  <iant@google.com>
5192
5193         PR gold/12392
5194         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
5195         symbols if necessary.
5196         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5197
5198 2011-07-05  Ian Lance Taylor  <iant@google.com>
5199
5200         PR gold/12952
5201         * resolve.cc (Symbol::override_base_with_special): Simply override
5202         version with special symbol version, ignoring previous version.
5203
5204 2011-07-05  Ian Lance Taylor  <iant@google.com>
5205
5206         * object.cc (Sized_relobj_file::include_section_group): Add
5207         information to comment about signature location.
5208
5209 2011-07-02  Ian Lance Taylor  <iant@google.com>
5210
5211         PR gold/12957
5212         * options.h (class General_options): Add -f and -F.
5213         * options.cc (General_options::finalize): Fatal error if -f/-F
5214         are used without -shared.
5215         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
5216
5217 2011-07-02  Ian Lance Taylor  <iant@google.com>
5218
5219         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
5220
5221 2011-07-01  Ian Lance Taylor  <iant@google.com>
5222
5223         PR gold/12525
5224         PR gold/12952
5225         * resolve.cc (Symbol::override_base_with_special): Don't override
5226         the version if the overriding symbol has a different name.
5227         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
5228         all callers.  If we give an error about an undefined version,
5229         define the base version if necessary.
5230         * dynobj.h (class Versions): Update declaration.
5231         * testsuite/weak_alias_test_5.cc: New file.
5232         * testsuite/weak_alias_test.script: New file.
5233         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
5234         and versioned_alias have the right value, and call t2.
5235         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
5236         weak_alias_test_5.so.
5237         (weak_alias_test_LDADD): Likewise.
5238         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
5239         * testsuite/Makefile.in: Rebuild.
5240
5241 2011-07-01  Ian Lance Taylor  <iant@google.com>
5242
5243         PR gold/12525
5244         * options.h (class General_options): Support -z notext.
5245         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
5246         -Wl,-z,notext.
5247         (two_file_shared_nonpic.so): Likewise.
5248         (two_file_shared_mixed.so): Likewise.
5249         (two_file_shared_mixed_1.so): Likewise.
5250         (weak_undef_lib_nonpic.so): Likewise.
5251         (alt/weak_undef_lib_nonpic.so): Likewise.
5252         (tls_test_shared_nonpic.so): Likewise.
5253         * testsuite/Makefile.in: Rebuild.
5254
5255 2011-07-01  Ian Lance Taylor  <iant@google.com>
5256
5257         PR gold/12525
5258         * configure.ac: Test whether static linking works, setting
5259         the automake conditional HAVE_STATIC.
5260         * testsuite/Makefile.am: Disable tests using -static if
5261         HAVE_STATIC is not true.
5262         * configure, testsuite/Makefile.in: Rebuild.
5263
5264 2011-07-01  Ian Lance Taylor  <iant@google.com>
5265
5266         PR gold/12525
5267         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
5268         Assert if we see DW_EH_PE_indirect.
5269         * target.h (Target::ehframe_datarel_base): New function.
5270         (Target::do_ehframe_datarel_base): New target function.
5271         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
5272         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
5273         function.
5274
5275 2011-07-01  Ian Lance Taylor  <iant@google.com>
5276
5277         PR gold/12571
5278         * options.h (class General_options): Add
5279         --ld-generated-unwind-info.
5280         * ehframe.cc (Fde::write): Add address parameter.  Change all
5281         callers.  If associated with PLT, fill in address and size.
5282         (Cie::set_output_offset): Only add merge mapping if there is an
5283         object.
5284         (Cie::write): Add address parameter.  Change all callers.
5285         (Eh_frame::add_ehframe_for_plt): New function.
5286         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
5287         input_offset_ fields into union u_, with new plt field.
5288         (Fde::Fde): Adjust for new union field.
5289         (Fde::Fde) [Output_data version]: New constructor.
5290         (Fde::add_mapping): Only add merge mapping if there is an object.
5291         (class Cie): Update declarations.
5292         (class Eh_frame): Declare add_ehframe_for_plt.
5293         * layout.cc (Layout::layout_eh_frame): Break out code into
5294         make_eh_frame_section, and call it.
5295         (Layout::make_eh_frame_section): New function.
5296         (Layout::add_eh_frame_for_plt): New function.
5297         * layout.h (class Layout): Update declarations.
5298         * merge.cc (Merge_map::add_mapping): Add assertion.
5299         * i386.cc: Include "dwarf.h".
5300         (class Output_data_plt_i386): Make first_plt_entry,
5301         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
5302         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
5303         and plt_eh_frame_fde.
5304         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
5305         boundary.  Call add_eh_frame_for_plt if appropriate.
5306         * x86_64.cc: Include "dwarf.h".
5307         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
5308         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
5309         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
5310         and plt_eh_frame_fde.
5311         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
5312         appropriate.
5313
5314 2011-06-29  Ian Lance Taylor  <iant@google.com>
5315
5316         PR gold/12629
5317         * object.cc (Sized_relobj_file::layout_section): Change shdr
5318         parameter to be const.
5319         (Sized_relobj_file::layout_eh_frame_section): New function, broken
5320         out of do_layout.
5321         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
5322         appropriate.  Call layout_eh_frame_section.
5323         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
5324         sections.
5325         * object.h (class Sized_relobj_file): Update declarations.
5326
5327 2011-06-29  Ian Lance Taylor  <iant@google.com>
5328
5329         PR gold/12652
5330         * script.cc (Token::integer_value): Accept trailing M/m/K/k
5331         modifier.
5332         (Lex::gather_token): Accept trailing M/m/K/k for integers.
5333
5334 2011-06-29  Ian Lance Taylor  <iant@google.com>
5335
5336         PR gold/12675
5337         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
5338         SHT_X86_64_UNWIND.
5339         * layout.cc (Layout::layout_eh_frame): Likewise.
5340
5341 2011-06-29  Ian Lance Taylor  <iant@google.com>
5342
5343         PR gold/12695
5344         * layout.cc (Layout::symtab_section_shndx): New function.
5345         * layout.h (class Layout): Declare symtab_section_shndx.
5346         * output.cc (Output_section::write_header): Call it.
5347
5348 2011-06-29  Ian Lance Taylor  <iant@google.com>
5349
5350         PR gold/12818
5351         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
5352         symbols which are not used in a relocation.
5353
5354 2011-06-28  Ian Lance Taylor  <iant@google.com>
5355
5356         PR gold/12898
5357         * layout.cc (Layout::segment_precedes): Don't crash if a linker
5358         script create indistinguishable segments.
5359         (Layout::set_segment_offsets): Use stable_sort when sorting
5360         segments.  Pass this to Compare_segments constructor.
5361         * layout.h (class Layout): Make segment_precedes non-static.
5362         (class Compare_segments): Change from struct to class.  Add
5363         layout_ field.  Add constructor.
5364         * script-sections.cc
5365         (Script_sections::attach_sections_using_phdrs_clause): Rename
5366         local orphan to is_orphan.  Don't report failure to put empty
5367         section in segment.  On attachment failure, report name of
5368         section, and attach to first PT_LOAD segment.
5369
5370 2011-06-28  Ian Lance Taylor  <iant@google.com>
5371
5372         PR gold/12934
5373         * target-select.cc (Target_selector::Target_selector): Add
5374         emulation parameter.  Change all callers.
5375         (select_target_by_bfd_name): Rename from select_target_by_name.
5376         Change all callers.
5377         (select_target_by_emulation): New function.
5378         (supported_emulation_names): New function.
5379         * target-select.h (class Target_selector): Add emulation_ field.
5380         Update declarations.
5381         (Target_selector::recognize_by_bfd_name): Rename from
5382         recognize_by_name.  Change all callers.
5383         (Target_selector::supported_bfd_names): Rename from
5384         supported_names.  Change all callers.
5385         (Target_selector::recognize_by_emulation): New function.
5386         (Target_selector::supported_emulations): New function.
5387         (Target_selector::emulation): New function.
5388         (Target_selector::do_recognize_by_bfd_name): Rename from
5389         do_recognize_by_name.  Change all callers.
5390         (Target_selector::do_supported_bfd_names): Rename from
5391         do_supported_names.  Change all callers.
5392         (Target_selector::do_recognize_by_emulation): New function.
5393         (Target_selector::do_supported_emulations): New function.
5394         (select_target_by_bfd_name): Change name in declaration.
5395         (select_target_by_emulation): Declare.
5396         (supported_emulation_names): Declare.
5397         * parameters.cc (parameters_force_valid_target): Try to find
5398         target based on emulation from -m option.
5399         * options.h (class General_options): Change doc string for -m.
5400         * options.cc (help): Print emulations.
5401         (General_options::parse_V): Likewise.
5402         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
5403         Add emulation parameter.  Change all callers.
5404
5405 2011-06-28  Ian Lance Taylor  <iant@google.com>
5406
5407         * target.h (class Target): Add osabi_ field.
5408         (Target::osabi): New function.
5409         (Target::set_osabi): New function.
5410         (Target::Target): Initialize osabi_.
5411         (Target::do_adjust_elf_header): Make pure virtual.
5412         (Sized_target::do_adjust_elf_header): Declare.
5413         * target.cc (Sized_target::do_adjust_elf_header): New function.
5414         (class Sized_target): Instantiate all versions.
5415         * freebsd.h (class Target_freebsd): Remove.
5416         (Target_selector_freebsd::do_recognize): Call set_osabi on
5417         Target.
5418         (Target_selector_freebsd::do_recognize_by_name): Likewise.
5419         (Target_selector_freebsd::set_osabi): Remove.
5420         * i386.cc (class Target_i386): Inherit from Sized_target rather
5421         than Target_freebsd.
5422         * x86_64.cc (class Target_x86_64): Likewise.
5423
5424 2011-06-28  Ian Lance Taylor  <iant@google.com>
5425
5426         * target.h (Target::can_check_for_function_pointers): Rewrite.
5427         Make non-virtual.
5428         (Target::can_icf_inline_merge_sections): Likewise.
5429         (Target::section_may_have_icf_unsafe_poineters): Likewise.
5430         (Target::Target_info): Add can_icf_inline_merge_sections field.
5431         (Target::do_can_check_for_function_pointers): New virtual
5432         function.
5433         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
5434         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
5435         from can_check_for_function_pointers, move in file.
5436         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
5437         section_may_have_icf_unsafe_poineters, move in file.
5438         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
5439         * i386.cc (Target_i386::do_can_check_for_function_pointers):
5440         Rename from can_check_for_function_pointers, move in file.
5441         (Target_i386::can_icf_inline_merge_sections): Remove.
5442         (Target_i386::i386_info): Initialize
5443         can_icf_inline_merge_sections.
5444         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
5445         Initialize can_icf_inline_merge_sections.
5446         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
5447         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
5448         Rename from can_check_for_function_pointers, move in file.
5449         (Target_x86_64::can_icf_inline_merge_sections): Remove.
5450         (Target_x86_64::x86_64_info): Initialize
5451         can_icf_inline_merge_sections.
5452         * testsuite/testfile.cc (Target_test::test_target_info):
5453         Likewise.
5454         * icf.cc (get_section_contents): Correct formatting.
5455
5456 2011-06-27  Ian Lance Taylor  <iant@google.com>
5457
5458         * symtab.cc (Symbol::versioned_name): New function.
5459         (Symbol_table::add_to_final_symtab): Use versioned_name when
5460         appropriate.
5461         (Symbol_table::sized_write_symbol): Likewise.
5462         * symtab.h (class Symbol): Declare versioned_name.
5463         * stringpool.h (class Stringpool_template): Add variant of add
5464         which takes a std::basic_string.
5465         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
5466         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
5467         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
5468         (ver_test_12.o): New target.
5469         * testsuite/Makefile.in: Rebuild.
5470
5471 2011-06-27  Doug Kwan  <dougkwan@google.com>
5472
5473         * arm.cc (Arm_relocate_functions::thm_jump8,
5474         Arm_relocate_functions::thm_jump11): Use a wider signed
5475         type to compute offset.
5476         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
5477         arm_thm_jump8.
5478         * testsuite/Makefile.in: Regenerate.
5479         * testsuite/arm_branch_in_range.sh: Check test results of
5480         arm_thm_jump11 and arm_thm_jump8.
5481         * testsuite/arm_thm_jump11.s: New test source file.
5482         * testsuite/arm_thm_jump11.t: New linker script.
5483         * testsuite/arm_thm_jump8.s: New test source file.
5484         * testsuite/arm_thm_jump8.t: New linker script.
5485
5486 2011-06-24  Ian Lance Taylor  <iant@google.com>
5487
5488         * layout.cc: Include "object.h".
5489         (ctors_sections_in_init_array): New static variable.
5490         (Layout::is_ctors_in_init_array): New function.
5491         (Layout::layout): Add entry to ctors_sections_in_init_array if
5492         appropriate.
5493         * layout.h (class Layout): Declare is_ctors_in_init_array.
5494         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
5495         is_ctors_reverse_view is set.
5496         (Sized_relobj_file::write_sections): Add layout parameter.  Change
5497         all callers.  Set is_ctors_reverse_view field of View_size.
5498         (Sized_relobj_file::reverse_words): New function.
5499         * object.h (Sized_relobj_file::View_size): Add
5500         is_ctors_reverse_view field.
5501         (class Sized_relobj_file): Update declarations.
5502         * testsuite/initpri3.c: New test.
5503         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
5504         initpri3b.
5505         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
5506         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
5507         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
5508         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
5509         * testsuite/Makefile.in: Rebuild.
5510
5511 2011-06-24  Cary Coutant  <ccoutant@google.com>
5512
5513         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
5514         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
5515         (debug_msg_cdebug.err): New targets.
5516         * testsuite/Makefile.in: Regenerate.
5517         * testsuite/debug_msg.sh: Check output of link with compressed debug.
5518         Fix checks for link with shared library.
5519
5520 2011-06-24  Doug Kwan  <dougkwan@google.com>
5521
5522         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
5523         skip empty text sections.
5524         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
5525
5526 2011-06-22  Ian Lance Taylor  <iant@google.com>
5527
5528         PR gold/12910
5529         * options.h (class General_options): Add --ctors-in-init-array.
5530         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
5531         friends as SHT_PROGBITS for merging sections.
5532         (Layout::layout): Remove special handling of .init_array and
5533         friends.  Don't sort if doing relocatable link.  Sort for .ctors
5534         and .dtors if ctors_in_init_array.
5535         (Layout::make_output_section): Force correct section types for
5536         .init_array and friends.  Don't sort if doing relocatable link,
5537         Don't sort .ctors and .dtors if ctors_in_init_array.
5538         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
5539         (Layout::output_section_name): Add relobj parameter.  Change all
5540         callers.  Handle .ctors. and .dtors. in code rather than table.
5541         Handle .ctors and .dtors if ctors_in_init_array.
5542         (Layout::match_file_name): New function, moved from output.cc.
5543         * layout.h (class Layout): Update declarations.
5544         * output.cc: Include "layout.h".
5545         (Input_section_sort_entry::get_priority): New function.
5546         (Input_section_sort_entry::match_file_name): Just call
5547         Layout::match_file_name.
5548         (Output_section::Input_section_sort_init_fini_compare::operator()):
5549         Handle .ctors and .dtors.  Sort by explicit priority rather than
5550         by name.
5551         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
5552         * testsuite/initpri2.c: New test.
5553         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
5554         (check_PROGRAMS): Add initpri2.
5555         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
5556         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
5557         * configure, testsuite/Makefile.in: Rebuild.
5558
5559 2011-06-19  Ian Lance Taylor  <iant@google.com>
5560
5561         PR gold/12880
5562         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
5563         .interp section to a PT_INTERP segment even if we have seen a
5564         --dynamic-linker option.  Don't do it if we have seen a PHDRS
5565         clause in a linker script.
5566         (Layout::finalize): Don't create a .interp section if we've
5567         already create a PT_INTERP segment.
5568         (Layout::create_interp): Always call choose_output_section (revert
5569         patch of 2011-06-17).  Don't create PT_INTERP segment.
5570         * script-sections.cc
5571         (Script_sections::create_note_and_tls_segments): Add a .interp
5572         section to a PT_INTERP segment even if we have seen a
5573         --dynamic-linker option.
5574
5575 2011-06-18  Ian Lance Taylor  <iant@google.com>
5576
5577         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
5578         merely because a non-PT_LOAD segment has a dynamic reloc.
5579
5580 2011-06-18  Ian Lance Taylor  <iant@google.com>
5581
5582         * layout.cc (Layout::finish_dynamic_section): Don't create
5583         DT_FLAGS entry if not needed.
5584
5585 2011-06-18  Ian Lance Taylor  <iant@google.com>
5586
5587         PR gold/12745
5588         * layout.cc (Layout::layout_eh_frame): Correct handling of
5589         writable .eh_frame section.
5590
5591 2011-06-17  Ian Lance Taylor  <iant@google.com>
5592
5593         PR gold/12893
5594         * resolve.cc (Symbol_table::resolve): Don't give an error if a
5595         symbol is redefined with the exact same object and value.
5596
5597 2011-06-17  Ian Lance Taylor  <iant@google.com>
5598
5599         PR gold/12880
5600         * layout.h (class Layout): Add interp_segment_ field.
5601         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
5602         (Layout::attach_allocated_section_to_segment): If making shared
5603         library, put .interp section in PT_INTERP segment.
5604         (Layout::finalize): Also call create_interp if -dynamic-linker
5605         option was used.
5606         (Layout::create_interp): Assert that there is no PT_INTERP
5607         segment.  If not using a SECTIONS clause, use make_output_section.
5608         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
5609         * script-sections.cc
5610         (Script_sections::create_note_and_tls_segments): If making shared
5611         library, put .interp section in PT_INTERP segment.
5612
5613 2011-06-17  Ian Lance Taylor  <iant@google.com>
5614
5615         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
5616         when making a shared library.
5617
5618 2011-06-17  Ian Lance Taylor  <iant@google.com>
5619
5620         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
5621         parameter.  Change all callers.  Don't issue warning about PC32
5622         against locally defined symbol.
5623
5624 2011-06-16  Ian Lance Taylor  <iant@google.com>
5625
5626         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
5627         occurs in same object.
5628
5629 2011-06-14  Alan Modra  <amodra@gmail.com>
5630
5631         * po/POTFILES.in: Regenerate.
5632
5633 2011-06-09  Ian Lance Taylor  <iant@google.com>
5634
5635         * script-sections.cc
5636         (Orphan_output_section::set_section_addresses): For a relocatable
5637         link set address to 0.
5638
5639 2011-06-09  Cary Coutant  <ccoutant@google.com>
5640
5641         PR gold/12804
5642         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
5643         used with --compress-debug-sections.
5644         * gold/object.cc (Sized_relobj_file::do_layout): Report
5645         uncompressed size of compressed input sections.
5646
5647 2011-06-08  Cary Coutant  <ccoutant@google.com>
5648
5649         PR gold/12804
5650         * testsuite/two_file_test_2_v1.cc: Change initialization of
5651         v2 to keep it in .data.
5652
5653 2011-06-07  Cary Coutant  <ccoutant@google.com>
5654
5655         * common.cc (Symbol_table::do_allocate_commons_list): Call
5656         gold_fallback.
5657         * errors.cc (Errors::fatal): Adjust call to gold_exit.
5658         (Errors::fallback): New function.
5659         (gold_fallback): New function.
5660         * errors.h (Errors::fallback): New function.
5661         * gold.cc (gold_exit): Change status parameter to enum; adjust
5662         all callers.
5663         (queue_initial_tasks): Call gold_fallback.
5664         * gold.h: Include cstdlib.
5665         (Exit_status): New enum type.
5666         (gold_exit): Change status parameter to enum.
5667         (gold_fallback): New function.
5668         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
5669         (Layout::create_symtab_sections): Likewise.
5670         (Layout::create_shdrs): Likewise.
5671         * main.cc (main): Adjust call to gold_exit.
5672         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
5673         (Output_data_got::add_got_entry_pair): Likewise.
5674         (Output_section::add_input_section): Likewise.
5675         (Output_section::add_output_section_data): Likewise.
5676         (Output_segment::set_section_list_addresses): Likewise.
5677         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
5678
5679 2011-06-07  Cary Coutant  <ccoutant@google.com>
5680
5681         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
5682         for incremental links.
5683         * output.cc (Output_segment::set_section_list_addresses): Remove
5684         FIXME and test for TLS or BSS.
5685
5686 2011-06-07  Cary Coutant  <ccoutant@google.com>
5687
5688         * testsuite/Makefile.am: Add incremental_copy_test,
5689         incremental_common_test_1.
5690         * testsuite/Makefile.in: Regenerate.
5691         * testsuite/common_test_1_v1.c: New source file.
5692         * testsuite/common_test_1_v2.c: New source file.
5693         * testsuite/copy_test_v1.cc: New source file.
5694
5695 2011-06-07  Cary Coutant  <ccoutant@google.com>
5696
5697         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
5698         update, allocate common from bss section's free list.
5699         * incremental-dump.cc (dump_incremental_inputs): Print flag for
5700         linker-defined symbols.
5701         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
5702         Skip GOT and PLT entries that are no longer referenced.
5703         (Output_section_incremental_inputs::write_info_blocks): Mark
5704         linker-defined symbols.
5705         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
5706         * output.cc (Output_section::allocate): New function.
5707         * output.h (Output_section::allocate): New function.
5708         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
5709         linker-defined symbols.
5710         (Symbol::override_base_with_special): Copy is_predefined_ flag.
5711         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
5712         (Symbol::init_base_output_data): Likewise.
5713         (Symbol::init_base_output_segment): Likewise.
5714         (Symbol::init_base_constant): Likewise.
5715         (Sized_symbol::init_output_data): Likewise.
5716         (Sized_symbol::init_output_segment): Likewise.
5717         (Sized_symbol::init_constant): Likewise.
5718         (Symbol_table::do_define_in_output_data): Likewise.
5719         (Symbol_table::do_define_in_output_segment): Likewise.
5720         (Symbol_table::do_define_as_constant): Likewise.
5721         * symtab.h (Symbol::is_predefined): New function.
5722         (Symbol::init_base_output_data): Add is_predefined parameter.
5723         (Symbol::init_base_output_segment): Likewise.
5724         (Symbol::init_base_constant): Likewise.
5725         (Symbol::is_predefined_): New data member.
5726         (Sized_symbol::init_output_data): Add is_predefined parameter.
5727         (Sized_symbol::init_output_segment): Likewise.
5728         (Sized_symbol::init_constant): Likewise.
5729         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
5730
5731 2011-06-07  Cary Coutant  <ccoutant@google.com>
5732
5733         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
5734         instead of emit_copy_reloc.
5735         (Copy_relocs::emit_copy_reloc): Refactor.
5736         (Copy_relocs::make_copy_reloc): New function.
5737         (Copy_relocs::add_copy_reloc): Remove.
5738         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
5739         section.
5740         (Copy_relocs::make_copy_reloc): New function.
5741         (Copy_relocs::add_copy_reloc): Remove.
5742         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
5743         unchanged input files.
5744         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
5745         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
5746         Reserve BSS space for COPY relocations.
5747         (Sized_incremental_binary::do_emit_copy_relocs): New function.
5748         (Output_section_incremental_inputs::write_info_blocks): Record
5749         whether a symbol is copied from a shared object.
5750         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
5751         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
5752         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
5753         (Incremental_input_entry_reader::get_output_symbol_index): Add
5754         is_copy parameter.
5755         (Incremental_binary::emit_copy_relocs): New function.
5756         (Incremental_binary::do_emit_copy_relocs): New function.
5757         (Sized_incremental_binary::Sized_incremental_binary): Initialize
5758         new data member.
5759         (Sized_incremental_binary::add_copy_reloc): New function.
5760         (Sized_incremental_binary::do_emit_copy_relocs): New function.
5761         (Sized_incremental_binary::Copy_reloc): New struct.
5762         (Sized_incremental_binary::Copy_relocs): New typedef.
5763         (Sized_incremental_binary::copy_relocs_): New data member.
5764         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
5765         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
5766         * target.h (Sized_target::emit_copy_reloc): New function.
5767         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
5768
5769 2011-06-02  Cary Coutant  <ccoutant@google.com>
5770
5771         PR gold/12163
5772         * gold/archive.cc (Archive::Archive): Initialize new data member.
5773         (Archive::include_all_members): Return if archive has already been
5774         included.
5775         * gold/archive.h (Archive::include_all_members_): New data member.
5776
5777 2011-06-02  Nick Clifton  <nickc@redhat.com>
5778
5779         * dynobj.h: Fix spelling mistake in comment.
5780         * output.cc: Likewise.
5781
5782 2011-05-31  Doug Kwan  <dougkwan@google.com>
5783             Asier Llano
5784
5785         PR gold/12826
5786         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
5787         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
5788         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
5789         redundant arm_exidx_test.so.
5790         * testsuite/Makefile.in: Regenerate.
5791         (check_SCRIPTS): Add pr12826.sh
5792         (check_DATA): Add pr12826.stdout
5793         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
5794         * testsuite/pr12826.sh: New file.
5795         * testsuite/pr12826_1.s: Ditto.
5796         * testsuite/pr12826_1.s: Ditto.
5797
5798 2011-05-30  Ian Lance Taylor  <iant@google.com>
5799
5800         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
5801         sections.
5802
5803 2011-05-29  Ian Lance Taylor  <iant@google.com>
5804
5805         PR gold/12804
5806         * testsuite/Makefile.am: Use different file name for two_file_test
5807         temporary file for each incremental test.
5808         * testsuite/Makefile.in: Rebuild.
5809
5810 2011-05-29  Ian Lance Taylor  <iant@google.com>
5811
5812         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
5813         binary input file is empty.
5814
5815 2011-05-27  Ian Lance Taylor  <iant@google.com>
5816
5817         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
5818         (ver_test_9.so): Likewise.
5819         * testsuite/Makefile.in: Rebuild.
5820
5821 2011-05-26 Cary Coutant  <ccoutant@google.com>
5822
5823         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
5824         * incremental.cc (Incremental_inputs::report_input_section): Fix
5825         comment, indentation.
5826         (Incremental_inputs::report_comdat_group): New function.
5827         (Output_section_incremental_inputs::set_final_data_size): Adjust size
5828         of data for incremental input file entry.
5829         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
5830         group count, COMDAT group signatures.
5831         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
5832         an unchanged input file.
5833         * incremental.h (Incremental_object_entry::Incremental_object_entry):
5834         Initialize new data member.
5835         (Incremental_object_entry::add_comdat_group): New function.
5836         (Incremental_object_entry::get_comdat_group_count): New function.
5837         (Incremental_object_entry::get_comdat_signature_key): New function.
5838         (Incremental_object_entry::groups_): New data member.
5839         (Incremental_inputs::report_comdat_group): New function.
5840         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
5841         data for incremental input file entry.
5842         (Incremental_input_entry_reader::get_comdat_group_count): New function.
5843         (Incremental_input_entry_reader::get_input_section): Adjust size of
5844         data for incremental input file entry.
5845         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
5846         (Incremental_input_entry_reader::get_comdat_group_signature): New
5847         function.
5848         * object.cc (Sized_relobj::include_section_group): Report kept
5849         COMDAT groups for incremental links.
5850
5851 2011-05-24  David Meyer  <pdox@google.com>
5852
5853         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
5854         with name parameter.  Add found_name parameter.
5855         * fileread.cc (Input_file::find_file): Adjust code accordingly.
5856         * dirsearch.h (class Dirsearch): Update declaration.
5857
5858 2011-05-24  Ian Lance Taylor  <iant@google.com>
5859
5860         * archive.cc (Library_base::should_include_member): Pull in object
5861         from archive if it defines the entry symbol.
5862         * parameters.cc (Parameters::entry): New function.
5863         * parameters.h (class Parameters): Declare entry.
5864         * output.h (class Output_file_header): Remove entry_ field.
5865         * output.cc (Output_file_header::Output_file_header): Remove entry
5866         parameter.  Change all callers.
5867         (Output_file_header::entry): Use parameters->entry.
5868         * gold.cc (queue_middle_tasks): Likewise.
5869         * plugin.cc (Plugin_hook::run): Likewise.
5870
5871 2011-05-24 Cary Coutant  <ccoutant@google.com>
5872
5873         * gold.cc (queue_initial_tasks): Pass incremental base filename
5874         to Output_file::open_base_file; don't print error message.
5875         * incremental-dump.cc (main): Adjust call to
5876         Output_file::open_for_modification.
5877         * incremental-dump.cc (main): Likewise.
5878         * incremental.cc (Incremental_inputs::report_command_line):
5879         Ignore --incremental-base option when comparing command lines.
5880         Ignore parameter when given as separate argument.
5881         * options.h (class General_options): Add --incremental-base.
5882         * output.cc (Output_file::Output_file):
5883         (Output_file::open_base_file): Add base_name and writable parameters;
5884         read base file into new file; print error message here.
5885         (Output_file::map_no_anonymous): Add writable parameter; adjust all
5886         callers.
5887         * output.h (Output_file::open_for_modification): Rename to...
5888         (Output_file::open_base_file): ...this; add base_name and
5889         writable parameters; adjust all callers.
5890         (Output_file::map_no_anonymous): Add writable parameter; adjust all
5891         callers.
5892         * testsuite/Makefile.am (incremental_test_4): Test
5893         --incremental-base.
5894         * testsuite/Makefile.in: Regenerate.
5895
5896 2011-05-24 Cary Coutant  <ccoutant@google.com>
5897
5898         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
5899         incremental_test_4.
5900         * testsuite/Makefile.in: Regenerate.
5901         * testsuite/two_file_test_1_v1.cc: New test source file.
5902         * testsuite/two_file_test_1b_v1.cc: New test source file.
5903         * testsuite/two_file_test_2_v1.cc: New test source file.
5904
5905 2011-05-24 Cary Coutant  <ccoutant@google.com>
5906
5907         * dynobj.h (Dynobj::do_dynobj): New function.
5908         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
5909         flag and soname for shared objects.
5910         * incremental.cc (Incremental_inputs::report_object): Make
5911         either Incremental_object_entry or Incremental_dynobj_entry; add
5912         soname to string table.
5913         (Incremental_inputs::report_input_section): Add assertion.
5914         (Output_section_incremental_inputs::set_final_data_size): Adjust
5915         type of input file entry for shared libraries; adjust size of
5916         shared library info entry.
5917         (Output_section_incremental_inputs::write_input_files): Write
5918         as_needed flag for shared libraries.
5919         (Output_section_incremental_inputs::write_info_blocks): Adjust type
5920         of input file entry for shared libraries; write soname.
5921         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
5922         soname from incremental info.
5923         * incremental.h (enum Incremental_input_flags): Add
5924         INCREMENTAL_INPUT_AS_NEEDED.
5925         (Incremental_input_entry::Incremental_input_entry): Initialize new
5926         data member.
5927         (Incremental_input_entry::set_as_needed): New function.
5928         (Incremental_input_entry::as_needed): New function.
5929         (Incremental_input_entry::do_dynobj_entry): New function.
5930         (Incremental_input_entry::as_needed_): New data member.
5931         (Incremental_object_entry::Incremental_object_entry): Don't check
5932         for shared library.
5933         (Incremental_object_entry::do_type): Likewise.
5934         (class Incremental_dynobj_entry): New class.
5935         (Incremental_input_entry_reader::as_needed): New function.
5936         (Incremental_input_entry_reader::get_soname): New function.
5937         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
5938         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
5939         size of shared library info entry.
5940         * layout.cc (Layout::finish_dynamic_section): Don't test for
5941         incremental link when adding DT_NEEDED entries.
5942         * object.h (Object::Object): Initialize new data member.
5943         (Object::dynobj): New function.
5944         (Object::set_as_needed): New function.
5945         (Object::as_needed): New function.
5946         (Object::do_dynobj): New function.
5947         (Object::as_needed_): New data member.
5948
5949 2011-05-24 Cary Coutant  <ccoutant@google.com>
5950
5951         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
5952         info; adjust display of GOT entries.
5953         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
5954         vector of input objects; remove file_status_.
5955         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
5956         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
5957         got_plt reader; call target hooks to reserve GOT entries.
5958         (Output_section_incremental_inputs::set_final_data_size): Adjust size
5959         of input file info header and GOT info entry.
5960         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
5961         relocation info.
5962         (Got_plt_view_info::got_descriptor): Remove.
5963         (Got_plt_view_info::sym_index): New data member.
5964         (Got_plt_view_info::input_index): New data member.
5965         (Local_got_offset_visitor::visit): Write input file index.
5966         (Global_got_offset_visitor::visit): Write 0 for input file index.
5967         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
5968         with sym_index and input_index.
5969         (Output_section_incremental_inputs::write_got_plt): Adjust size of
5970         incremental info GOT entry; replace got_descriptor with input_index.
5971         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
5972         map from input file index to object.
5973         (Sized_relobj_incr::do_layout): Replace direct data member reference
5974         with accessor function.
5975         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
5976         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
5977         Adjust size of input file info header.
5978         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
5979         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
5980         (Incremental_input_entry_reader::get_input_section): Adjust size of
5981         input file info header.
5982         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
5983         of incremental info GOT entry.
5984         (Incremental_got_plt_reader::get_got_desc): Remove.
5985         (Incremental_got_plt_reader::get_got_symndx): New function.
5986         (Incremental_got_plt_reader::get_got_input_index): New function.
5987         (Sized_incremental_binary::Sized_incremental_binary): Remove
5988         file_status_; add input_objects_.
5989         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
5990         (Sized_incremental_binary::set_file_is_unchanged): Remove.
5991         (Sized_incremental_binary::file_is_unchanged): Remove.
5992         (Sized_incremental_binary::set_input_object): New function.
5993         (Sized_incremental_binary::input_object): New function.
5994         (Sized_incremental_binary::file_status_): Remove.
5995         (Sized_incremental_binary::input_objects_): New data member.
5996         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
5997         references.
5998         (Sized_relobj_incr::invalid_address): Move to base class.
5999         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
6000         class.
6001         (Sized_relobj_incr::do_output_section_offset): Likewise.
6002         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
6003         (Sized_relobj_incr::section_offsets_): Likewise.
6004         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
6005         function.
6006         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
6007         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
6008         with accessor function.
6009         (Sized_relobj_file::do_layout): Likewise.
6010         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
6011         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
6012         (Sized_relobj_file::compute_final_local_value): Replace refs to
6013         section_offsets_ with accessor function.
6014         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
6015         * object.h (Relobj::Relobj): Initialize new data members.
6016         (Relobj::add_dyn_reloc): New function.
6017         (Relobj::first_dyn_reloc): New function.
6018         (Relobj::dyn_reloc_count): New function.
6019         (Relobj::first_dyn_reloc_): New data member.
6020         (Relobj::dyn_reloc_count_): New data member.
6021         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
6022         references.
6023         (Sized_relobj::Address): New typedef.
6024         (Sized_relobj::invalid_address): Move here from child class.
6025         (Sized_relobj::Sized_relobj): Initialize new data members.
6026         (Sized_relobj::sized_relobj): New function.
6027         (Sized_relobj::is_output_section_offset_invalid): Move here from
6028         child class.
6029         (Sized_relobj::get_output_section_offset): Likewise.
6030         (Sized_relobj::local_has_got_offset): Likewise.
6031         (Sized_relobj::local_got_offset): Likewise.
6032         (Sized_relobj::set_local_got_offset): Likewise.
6033         (Sized_relobj::do_for_all_local_got_entries): Likewise.
6034         (Sized_relobj::clear_got_offsets): New function.
6035         (Sized_relobj::section_offsets): Move here from child class.
6036         (Sized_relobj::do_output_section_offset): Likewise.
6037         (Sized_relobj::do_set_section_offset): Likewise.
6038         (Sized_relobj::Local_got_offsets): Likewise.
6039         (Sized_relobj::local_got_offsets_): Likewise.
6040         (Sized_relobj::section_offsets_): Likewise.
6041         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
6042         references.
6043         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
6044         class.
6045         (Sized_relobj_file::sized_relobj): New function
6046         (Sized_relobj_file::local_has_got_offset): Move to base class.
6047         (Sized_relobj_file::local_got_offset): Likewise.
6048         (Sized_relobj_file::set_local_got_offset): Likewise.
6049         (Sized_relobj_file::get_output_section_offset): Likewise.
6050         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
6051         (Sized_relobj_file::do_output_section_offset): Likewise.
6052         (Sized_relobj_file::do_set_section_offset): Likewise.
6053         (Sized_relobj_file::Local_got_offsets): Likewise.
6054         (Sized_relobj_file::local_got_offsets_): Likewise.
6055         (Sized_relobj_file::section_offsets_): Likewise.
6056         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
6057         (all constructors).
6058         (set_needs_dynsym_index): Convert relobj to derived class pointer.
6059         (Output_reloc::get_symbol_index): Likewise.
6060         (Output_reloc::local_section_offset): Likewise.
6061         (Output_reloc::get_address): Likewise.
6062         (Output_reloc::symbol_value): Likewise.
6063         (Output_data_got::reserve_slot): Move to class definition.
6064         (Output_data_got::reserve_local): New function.
6065         (Output_data_got::reserve_slot_for_global): Remove.
6066         (Output_data_got::reserve_global): New function.
6067         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
6068         (all constructors, two instantiations).
6069         (Output_reloc::get_relobj): New function (two instantiations).
6070         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
6071         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
6072         (Output_data_reloc::add_global): Adjust type of relobj.
6073         (Output_data_reloc::add_global_relative): Likewise.
6074         (Output_data_reloc::add_symbolless_global_addend): Likewise.
6075         (Output_data_reloc::add_local): Likewise.
6076         (Output_data_reloc::add_local_relative): Likewise.
6077         (Output_data_reloc::add_symbolless_local_addend): Likewise.
6078         (Output_data_reloc::add_local_section): Likewise.
6079         (Output_data_reloc::add_output_section): Likewise.
6080         (Output_data_reloc::add_absolute): Likewise.
6081         (Output_data_reloc::add_target_specific): Likewise.
6082         (Output_data_got::reserve_slot): Move definition here.
6083         (Output_data_got::reserve_local): New function.
6084         (Output_data_got::reserve_global): New function.
6085         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
6086         section_offsets_ with accessor function.
6087         (Sized_relobj_file::write_sections): Likewise.
6088         (Sized_relobj_file::do_relocate_sections): Likewise.
6089         * target.h (Sized_target::reserve_local_got_entry): New function.
6090         (Sized_target::reserve_global_got_entry): New function.
6091         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
6092         (Target_x86_64::reserve_global_got_entry): New function.
6093         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
6094
6095 2011-05-23 Cary Coutant  <ccoutant@google.com>
6096
6097         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
6098         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
6099         bit when checking got_type.
6100         * incremental.cc (Sized_incremental_binary::setup_readers):
6101         Store symbol table and string table locations; initialize bit vector
6102         of file status flags.
6103         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
6104         unchanged files.
6105         (Sized_incremental_binary::do_process_got_plt): New function.
6106         (Sized_incremental_binary::get_symtab_view): Use stored locations.
6107         (Output_section_incremental_inputs::set_final_data_size): Record
6108         file index for each input file.
6109         (Output_section_incremental_inputs::write_got_plt): Store file index
6110         instead of input entry offset for each GOT entry.
6111         * incremental.h
6112         (Incremental_input_entry::Incremental_input_entry): Initialize new
6113         data member.
6114         (Incremental_input_entry::set_offset): Store file index.
6115         (Incremental_input_entry::get_file_index): New function.
6116         (Incremental_input_entry::file_index_): New data member.
6117         (Incremental_binary::process_got_plt): New function.
6118         (Incremental_binary::do_process_got_plt): New function.
6119         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
6120         data members.
6121         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
6122         (Sized_incremental_binary::set_file_is_unchanged): New function.
6123         (Sized_incremental_binary::file_is_unchanged): New function.
6124         (Sized_incremental_binary::do_process_got_plt): New function.
6125         (Sized_incremental_binary::file_status_): New data member.
6126         (Sized_incremental_binary::main_symtab_loc_): New data member.
6127         (Sized_incremental_binary::main_strtab_loc_): New data member.
6128         * output.cc (Output_data_got::Got_entry::write): Add case
6129         RESERVED_CODE.
6130         (Output_data_got::add_global): Call add_got_entry.
6131         (Output_data_got::add_global_plt): Likewise.
6132         (Output_data_got::add_global_with_rel): Likewise.
6133         (Output_data_got::add_global_with_rela): Likewise.
6134         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
6135         (Output_data_got::add_global_pair_with_rela): Likewise.
6136         (Output_data_got::add_local): Call add_got_entry.
6137         (Output_data_got::add_local_plt): Likewise.
6138         (Output_data_got::add_local_with_rel): Likewise.
6139         (Output_data_got::add_local_with_rela): Likewise.
6140         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
6141         (Output_data_got::add_local_pair_with_rela): Likewise.
6142         (Output_data_got::reserve_slot): New function.
6143         (Output_data_got::reserve_slot_for_global): New function.
6144         (Output_data_got::add_got_entry): New function.
6145         (Output_data_got::add_got_entry_pair): New function.
6146         (Output_section::add_output_section_data): Edit FIXME.
6147         * output.h
6148         (Output_section_data_build::Output_section_data_build): New
6149         constructor with size parameter.
6150         (Output_data_space::Output_data_space): Likewise.
6151         (Output_data_got::Output_data_got): Initialize new data member; new
6152         constructor with size parameter.
6153         (Output_data_got::add_constant): Call add_got_entry.
6154         (Output_data_got::reserve_slot): New function.
6155         (Output_data_got::reserve_slot_for_global): New function.
6156         (class Output_data_got::Got_entry): Add RESERVED_CODE.
6157         (Output_data_got::add_got_entry): New function.
6158         (Output_data_got::add_got_entry_pair): New function.
6159         (Output_data_got::free_list_): New data member.
6160         * target.h (Sized_target::init_got_plt_for_update): New function.
6161         (Sized_target::register_global_plt_entry): New function.
6162         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
6163         Initialize new data member; call init; add constructor with PLT count.
6164         (Output_data_plt_x86_64::init): New function.
6165         (Output_data_plt_x86_64::add_relocation): New function.
6166         (Output_data_plt_x86_64::reserve_slot): New function.
6167         (Output_data_plt_x86_64::free_list_): New data member.
6168         (Target_x86_64::init_got_plt_for_update): New function.
6169         (Target_x86_64::register_global_plt_entry): New function.
6170         (Output_data_plt_x86_64::add_entry): Allocate from free list for
6171         incremental updates.
6172         (Output_data_plt_x86_64::add_relocation): New function.
6173         * testsuite/object_unittest.cc (Object_test): Set default options.
6174
6175 2011-05-16  Ian Lance Taylor  <iant@google.com>
6176
6177         * options.h (class General_options): Make -i a synonym for -r.
6178
6179 2011-05-16  Ian Lance Taylor  <iant@google.com>
6180
6181         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
6182
6183 2011-05-10 Cary Coutant  <ccoutant@google.com>
6184
6185         * object.cc (Sized_relobj::do_count_local_symbols): Check for
6186         strip_all (-s).
6187
6188 2011-05-06  Ian Lance Taylor  <iant@google.com>
6189
6190         * layout.cc (Layout::layout): If the output section flags change,
6191         update the ordering.
6192
6193 2011-04-25 Cary Coutant  <ccoutant@google.com>
6194
6195         * incremental-dump.cc (dump_incremental_inputs): Print local
6196         symbol info for each input file.
6197         * incremental.cc
6198         (Output_section_incremental_inputs::set_final_data_size): Add local
6199         symbol info to input file entries in incremental info.
6200         (Output_section_incremental_inputs::write_info_blocks): Likewise.
6201         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
6202         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
6203         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
6204         implementation.
6205         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
6206         (Sized_incr_relobj::do_relocate): Write the local symbols.
6207         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
6208         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
6209         Adjust size of input file header.
6210         (Incremental_inputs_reader::get_local_symbol_offset): New function.
6211         (Incremental_inputs_reader::get_local_symbol_count): New function.
6212         (Incremental_inputs_reader::get_input_section): Adjust size of input
6213         file header.
6214         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
6215         (Sized_incr_relobj::This): New typedef.
6216         (Sized_incr_relobj::sym_size): New const data member.
6217         (Sized_incr_relobj::Local_symbol): New struct.
6218         (Sized_incr_relobj::do_output_local_symbol_count): New function.
6219         (Sized_incr_relobj::do_local_symbol_offset): New function.
6220         (Sized_incr_relobj::local_symbol_count_): New data member.
6221         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
6222         (Sized_incr_relobj::local_symbol_index_): New data member.
6223         (Sized_incr_relobj::local_symbol_offset_): New data member.
6224         (Sized_incr_relobj::local_dynsym_offset_): New data member.
6225         (Sized_incr_relobj::local_symbols_): New data member.
6226         * object.h (Relobj::output_local_symbol_count): New function.
6227         (Relobj::local_symbol_offset): New function.
6228         (Relobj::do_output_local_symbol_count): New function.
6229         (Relobj::do_local_symbol_offset): New function.
6230         (Sized_relobj::do_output_local_symbol_count): New function.
6231         (Sized_relobj::do_local_symbol_offset): New function.
6232
6233 2011-04-22  Vladimir Simonov  <sv@sw.ru>
6234
6235         * descriptors.cc (set_close_on_exec): New function.
6236         (Descriptors::open): Use set_close_on_exec.
6237         * output.cc (S_ISLNK): Define if not defined.
6238
6239 2011-04-22 Cary Coutant  <ccoutant@google.com>
6240
6241         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
6242         global symbol map.
6243         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
6244         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
6245         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
6246         relocations.
6247         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
6248         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
6249         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
6250         * incremental.h
6251         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
6252         function.
6253         (Incremental_binary::apply_incremental_relocs): New function.
6254         (Incremental_binary::do_apply_incremental_relocs): New function.
6255         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
6256         data member.
6257         (Sized_incremental_binary::add_global_symbol): New function.
6258         (Sized_incremental_binary::global_symbol): New function.
6259         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
6260         (Sized_incremental_binary::symbol_map_): New data member.
6261         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
6262         * target.h (Sized_target::apply_relocation): New function.
6263         * target-reloc.h (apply_relocation): New function.
6264         * x86_64.cc (Target_x86_64::apply_relocation): New function.
6265
6266 2011-04-22  Doug Kwan  <dougkwan@google.com>
6267
6268         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
6269         flag of a SHT_ARM_EXIDX section.
6270         * testsuite/Makefile.am (arm_exidx_test): New test rules.
6271         * testsuite/Makefile.in: Regenerate.
6272         * testsuite/arm_exidx_test.s: New file.
6273         * testsuite/arm_exidx_test.sh: Same.
6274
6275 2011-04-20 Cary Coutant  <ccoutant@google.com>
6276
6277         PR gold/12689
6278         * archive.h (Incremental_archive_entry::Archive_member):
6279         Initialize arg_serial_ (second constructor).
6280
6281 2011-04-17  Ian Lance Taylor  <iant@google.com>
6282
6283         * object.cc (Relocate_info::location): Simplify location string.
6284         * errors.cc (Errors::error_at_location): Don't print program
6285         name.
6286         (Errors::warning_at_location): Likewise.
6287         (Errors::undefined_symbol): Likewise.
6288         * testsuite/debug_msg.sh: Update accordingly.
6289
6290 2011-04-14 Cary Coutant  <ccoutant@google.com>
6291
6292         * gold/layout.cc (Layout::symtab_section_offset): New function.
6293         * gold/layout.h (Layout::symtab_section_offset): New function.
6294         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
6295
6296 2011-04-12  Ian Lance Taylor  <iant@google.com>
6297
6298         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
6299         with MREMAP_MAYMOVE.
6300         * output.h (class Output_file): Add map_is_allocated_ field.
6301         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
6302         not available, provide stubs.  If mremap is not available, #define
6303         it to gold_mremap.
6304         (MREMAP_MAYMOVE): Define if not defined.
6305         (Output_file::Output_file): Initialize map_is_allocated_.
6306         (Output_file::resize): Check map_is_allocated_.
6307         (Output_file::map_anonymous): If mmap fails, use malloc.
6308         (Output_file::unmap): Don't do anything for an anonymous map.
6309         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
6310         is not available, provide stubs.
6311         (File_read::View::~View): Use free rather than delete[].
6312         (File_read::make_view): Use malloc rather than new[].  If mmap
6313         fails, use malloc.
6314         (File_read::find_or_make_view): Use malloc rather than new[].
6315         * gold.h: Remove HAVE_REMAP code.
6316         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
6317         exists.  Rename mremap to gold_mremap.  If mmap is not available
6318         don't do anything.
6319         * configure, config.in: Rebuild.
6320
6321 2011-04-11  Ian Lance Taylor  <iant@google.com>
6322
6323         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
6324         initialize local variable v.
6325
6326 2011-04-11  Cary Coutant  <ccoutant@google.com>
6327
6328         * archive.cc (Archive::include_member): Adjust call to
6329         report_object.
6330         (Add_archive_symbols::run): Track argument serial numbers.
6331         (Lib_group::include_member): Likewise.
6332         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
6333         * archive.h (Incremental_archive_entry::Archive_member):
6334         Initialize arg_serial_.
6335         (Archive_member::arg_serial_): New data member.
6336         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
6337         (Sized_dynobj::do_add_symbols): Track symbols when doing an
6338         incremental link.
6339         (Sized_dynobj::do_for_all_local_got_entries): New function.
6340         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
6341         function.
6342         * fileread.cc (get_mtime): New function.
6343         * fileread.h (get_mtime): New function.
6344         * gold.cc (queue_initial_tasks): Check for incremental update.
6345         (process_incremental_input): New function.
6346         (queue_middle_tasks): Don't force valid target for incremental
6347         update.
6348         * incremental-dump.cc (find_input_containing_global): Adjust
6349         size of symbol info entry.
6350         (dump_incremental_inputs): Dump argument serial number and
6351         in_system_directory flag; bias shndx by 1; print symbol names
6352         when dumping per-file symbol lists; use new symbol info readers.
6353         * incremental.cc
6354         (Output_section_incremental_inputs:update_data_size): New function.
6355         (Sized_incremental_binary::setup_readers): Setup input readers
6356         for each input file; build maps for files added from libraries
6357         and scripts.
6358         (Sized_incremental_binary::check_input_args): New function.
6359         (Sized_incremental_binary::do_check_inputs): Build map of argument
6360         serial numbers to input arguments.
6361         (Sized_incremental_binary::do_file_has_changed): Rename
6362         do_file_is_unchanged to this; compare file modification times.
6363         (Sized_incremental_binary::do_init_layout): New function.
6364         (Sized_incremental_binary::do_reserve_layout): New function.
6365         (Sized_incremental_binary::do_get_input_reader): Remove.
6366         (Sized_incremental_binary::get_symtab_view): New function.
6367         (Incremental_checker::can_incrementally_link_output_file): Remove.
6368         (Incremental_inputs::report_command_line): Exclude --debug options.
6369         (Incremental_inputs::report_archive_begin): Add parameter; track
6370         argument serial numbers; don't put input file entry for archive
6371         before archive members.
6372         (Incremental_inputs::report_archive_end): Put input file entry
6373         for archive after archive members.
6374         (Incremental_inputs::report_object): Add parameter; track argument
6375         serial numbers and in_system_directory flag.
6376         (Incremental_inputs::report_script): Add parameter; track argument
6377         serial numbers.
6378         (Output_section_incremental_inputs::set_final_data_size): Adjust
6379         size of symbol info entry; check for forwarding symbols.
6380         (Output_section_incremental_inputs::write_input_files): Write
6381         in_system_directory flag and argument serial number.
6382         (Output_section_incremental_inputs::write_info_blocks): Map section
6383         indices between incremental info and original input file; store
6384         input section index for each symbol.
6385         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
6386         change operator() to visit().
6387         (class Global_got_offset_visitor): Likewise.
6388         (class Global_symbol_visitor_got_plt):
6389         (Output_section_incremental_inputs::write_got_plt): Use new visitor
6390         classes.
6391         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
6392         (Sized_incr_relobj::do_read_symbols): New function.
6393         (Sized_incr_relobj::do_layout): New function.
6394         (Sized_incr_relobj::do_layout_deferred_sections): New function.
6395         (Sized_incr_relobj::do_add_symbols): New function.
6396         (Sized_incr_relobj::do_should_include_member): New function.
6397         (Sized_incr_relobj::do_for_all_global_symbols): New function.
6398         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
6399         (Sized_incr_relobj::do_section_size): New function.
6400         (Sized_incr_relobj::do_section_name): New function.
6401         (Sized_incr_relobj::do_section_contents): New function.
6402         (Sized_incr_relobj::do_section_flags): New function.
6403         (Sized_incr_relobj::do_section_entsize): New function.
6404         (Sized_incr_relobj::do_section_address): New function.
6405         (Sized_incr_relobj::do_section_type): New function.
6406         (Sized_incr_relobj::do_section_link): New function.
6407         (Sized_incr_relobj::do_section_info): New function.
6408         (Sized_incr_relobj::do_section_addralign): New function.
6409         (Sized_incr_relobj::do_initialize_xindex): New function.
6410         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
6411         (Sized_incr_relobj::do_read_relocs): New function.
6412         (Sized_incr_relobj::do_gc_process_relocs): New function.
6413         (Sized_incr_relobj::do_scan_relocs): New function.
6414         (Sized_incr_relobj::do_count_local_symbols): New function.
6415         (Sized_incr_relobj::do_finalize_local_symbols): New function.
6416         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
6417         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
6418         (Sized_incr_relobj::do_relocate): New function.
6419         (Sized_incr_relobj::do_set_section_offset): New function.
6420         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
6421         (Sized_incr_dynobj::do_read_symbols): New function.
6422         (Sized_incr_dynobj::do_layout): New function.
6423         (Sized_incr_dynobj::do_add_symbols): New function.
6424         (Sized_incr_dynobj::do_should_include_member): New function.
6425         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
6426         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
6427         (Sized_incr_dynobj::do_section_size): New function.
6428         (Sized_incr_dynobj::do_section_name): New function.
6429         (Sized_incr_dynobj::do_section_contents): New function.
6430         (Sized_incr_dynobj::do_section_flags): New function.
6431         (Sized_incr_dynobj::do_section_entsize): New function.
6432         (Sized_incr_dynobj::do_section_address): New function.
6433         (Sized_incr_dynobj::do_section_type): New function.
6434         (Sized_incr_dynobj::do_section_link): New function.
6435         (Sized_incr_dynobj::do_section_info): New function.
6436         (Sized_incr_dynobj::do_section_addralign): New function.
6437         (Sized_incr_dynobj::do_initialize_xindex): New function.
6438         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
6439         (make_sized_incremental_object): New function.
6440         (Incremental_library::copy_unused_symbols): New function.
6441         (Incremental_library::do_for_all_unused_symbols): New function.
6442         * incremental.h (enum Incremental_input_flags): New type.
6443         (class Incremental_checker): Remove.
6444         (Incremental_input_entry::Incremental_input_entry): Add argument
6445         serial number.
6446         (Incremental_input_entry::arg_serial): New function.
6447         (Incremental_input_entry::set_is_in_system_directory): New function.
6448         (Incremental_input_entry::is_in_system_directory): New function.
6449         (Incremental_input_entry::arg_serial_): New data member.
6450         (Incremental_input_entry::is_in_system_directory_): New data member.
6451         (class Script_info): Move here from script.h.
6452         (Script_info::Script_info): Add filename parameter.
6453         (Script_info::filename): New function.
6454         (Script_info::filename_): New data member.
6455         (Incremental_script_entry::Incremental_script_entry): Add argument
6456         serial number.
6457         (Incremental_object_entry::Incremental_object_entry): Likewise.
6458         (Incremental_object_entry::add_input_section): Build list of input
6459         sections with map to original shndx.
6460         (Incremental_object_entry::get_input_section_index): New function.
6461         (Incremental_object_entry::shndx_): New data member.
6462         (Incremental_object_entry::name_key_): Rename; adjust all refs.
6463         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
6464         (Incremental_archive_entry::Incremental_archive_entry): Add argument
6465         serial number.
6466         (Incremental_inputs::report_archive_begin): Likewise.
6467         (Incremental_inputs::report_object): Likewise.
6468         (Incremental_inputs::report_script): Likewise.
6469         (class Incremental_global_symbol_reader): New class.
6470         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
6471         and store flags and input file type.
6472         (Incremental_input_entry_reader::arg_serial): New function.
6473         (Incremental_input_entry_reader::type): Extract type from flags.
6474         (Incremental_input_entry_reader::is_in_system_directory): New function.
6475         (Incremental_input_entry_reader::get_input_section_count): Call
6476         accessor function for type.
6477         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
6478         function for type; adjust size of global symbol entry.
6479         (Incremental_input_entry_reader::get_global_symbol_count): Call
6480         accessor function for type.
6481         (Incremental_input_entry_reader::get_object_count): Likewise.
6482         (Incremental_input_entry_reader::get_object_offset): Likewise.
6483         (Incremental_input_entry_reader::get_member_count): Likewise.
6484         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
6485         (Incremental_input_entry_reader::get_member_offset): Likewise.
6486         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
6487         (Incremental_input_entry_reader::Global_symbol_info): Remove.
6488         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
6489         (Incremental_input_entry_reader::get_global_symbol_reader): New
6490         function.
6491         (Incremental_input_entry_reader::get_output_symbol_index): New
6492         function.
6493         (Incremental_input_entry_reader::type_): Remove.
6494         (Incremental_input_entry_reader::flags_): New data member.
6495         (Incremental_inputs_reader::input_file_offset): New function.
6496         (Incremental_inputs_reader::input_file_index): New function.
6497         (Incremental_inputs_reader::input_file): Call input_file_offset.
6498         (Incremental_inputs_reader::input_file_at_offset): New function.
6499         (Incremental_relocs_reader::get_r_type): Reformat.
6500         (Incremental_relocs_reader::get_r_shndx): Reformat.
6501         (Incremental_relocs_reader::get_r_offset): Reformat.
6502         (Incremental_relocs_reader::data): New function.
6503         (Incremental_binary::Incremental_binary): Initialize new data members.
6504         (Incremental_binary::check_inputs): Add cmdline parameter.
6505         (Incremental_binary::file_is_unchanged): Remove.
6506         (Input_reader::arg_serial): New function.
6507         (Input_reader::get_unused_symbol_count): New function.
6508         (Input_reader::get_unused_symbol): New function.
6509         (Input_reader::do_arg_serial): New function.
6510         (Input_reader::do_get_unused_symbol_count): New function.
6511         (Input_reader::do_get_unused_symbol): New function.
6512         (Incremental_binary::input_file_count): New function.
6513         (Incremental_binary::get_input_reader): Change signature to use
6514         index instead of filename.
6515         (Incremental_binary::file_has_changed): New function.
6516         (Incremental_binary::get_input_argument): New function.
6517         (Incremental_binary::get_library): New function.
6518         (Incremental_binary::get_script_info): New function.
6519         (Incremental_binary::init_layout): New function.
6520         (Incremental_binary::reserve_layout): New function.
6521         (Incremental_binary::output_file): New function.
6522         (Incremental_binary::do_check_inputs): New function.
6523         (Incremental_binary::do_file_is_unchanged): Remove.
6524         (Incremental_binary::do_file_has_changed): New function.
6525         (Incremental_binary::do_init_layout): New function.
6526         (Incremental_binary::do_reserve_layout): New function.
6527         (Incremental_binary::do_input_file_count): New function.
6528         (Incremental_binary::do_get_input_reader): Change signature.
6529         (Incremental_binary::input_args_map_): New data member.
6530         (Incremental_binary::library_map_): New data member.
6531         (Incremental_binary::script_map_): New data member.
6532         (Sized_incremental_binary::Sized_incremental_binary): Initialize
6533         new data members.
6534         (Sized_incremental_binary::output_section): New function.
6535         (Sized_incremental_binary::inputs_reader): Add const.
6536         (Sized_incremental_binary::symtab_reader): Add const.
6537         (Sized_incremental_binary::relocs_reader): Add const.
6538         (Sized_incremental_binary::got_plt_reader): Add const.
6539         (Sized_incremental_binary::get_symtab_view): New function.
6540         (Sized_incremental_binary::Inputs_reader): New typedef.
6541         (Sized_incremental_binary::Input_entry_reader): New typedef.
6542         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
6543         (Sized_incremental_binary::do_file_is_unchanged): Remove.
6544         (Sized_incremental_binary::do_file_has_changed): New function.
6545         (Sized_incremental_binary::do_init_layout): New function.
6546         (Sized_incremental_binary::do_reserve_layout): New function.
6547         (Sized_input_reader::Inputs_reader): Remove.
6548         (Sized_input_reader::Input_entry_reader): Remove.
6549         (Sized_input_reader::do_arg_serial): New function.
6550         (Sized_input_reader::do_get_unused_symbol_count): New function.
6551         (Sized_input_reader::do_get_unused_symbol): New function.
6552         (Sized_incremental_binary::do_input_file_count): New function.
6553         (Sized_incremental_binary::do_get_input_reader): Change signature;
6554         use index instead of filename.
6555         (Sized_incremental_binary::section_map_): New data member.
6556         (Sized_incremental_binary::input_entry_readers_): New data member.
6557         (class Sized_incr_relobj): New class.
6558         (class Sized_incr_dynobj): New class.
6559         (make_sized_incremental_object): New function.
6560         (class Incremental_library): New class.
6561         * layout.cc (Free_list::num_lists): New static data member.
6562         (Free_list::num_nodes): New static data member.
6563         (Free_list::num_removes): New static data member.
6564         (Free_list::num_remove_visits): New static data member.
6565         (Free_list::num_allocates): New static data member.
6566         (Free_list::num_allocate_visits): New static data member.
6567         (Free_list::init): New function.
6568         (Free_list::remove): New function.
6569         (Free_list::allocate): New function.
6570         (Free_list::dump): New function.
6571         (Free_list::print_stats): New function.
6572         (Layout_task_runner::run): Resize output file for incremental updates.
6573         (Layout::Layout): Initialize new data members.
6574         (Layout::set_incremental_base): New function.
6575         (Layout::init_fixed_output_section): New function.
6576         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
6577         incremental updates.
6578         (Layout::create_gold_note): Do not create gold note section for
6579         incremental updates.
6580         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
6581         for incremental updates.
6582         (Layout::set_section_offsets): For incremental updates, allocate space
6583         from free list.
6584         (Layout::create_symtab_sections): Layout with offsets relative to
6585         start of section; for incremental updates, allocate space from free
6586         list.
6587         (Layout::create_shdrs): For incremental updates, allocate space from
6588         free list.
6589         (Layout::finish_dynamic_section): For incremental updates, do not
6590         check --as-needed (fixed in subsequent patch).
6591         * layout.h (class Free_list): New class.
6592         (Layout::set_incremental_base): New function.
6593         (Layout::incremental_base): New function.
6594         (Layout::init_fixed_output_section): New function.
6595         (Layout::allocate): New function.
6596         (Layout::incremental_base_): New data member.
6597         (Layout::free_list_): New data member.
6598         * main.cc (main): Print Free_list statistics.
6599         * object.cc (Relobj::finalize_incremental_relocs): Add
6600         clear_counts parameter; clear counts only when clear_counts is set.
6601         (Sized_relobj::Sized_relobj): Initialize new base class.
6602         (Sized_relobj::do_layout): Don't report special sections.
6603         (Sized_relobj::do_for_all_local_got_entries): New function.
6604         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
6605         symtab_off to all symbol table offsets.
6606         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
6607         * object.h (class Got_offset_list): Move to top of file.
6608         (Object::Object): Allow case where input_file == NULL.
6609         (Object::~Object): Likewise.
6610         (Object::input_file): Assert that input_file != NULL.
6611         (Object::lock): Allow case where input_file == NULL.
6612         (Object::unlock): Likewise.
6613         (Object::is_locked): Likewise.
6614         (Object::token): Likewise.
6615         (Object::release): Likewise.
6616         (Object::is_incremental): New function.
6617         (Object::get_mtime): New function.
6618         (Object::for_all_local_got_entries): New function.
6619         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
6620         (Object::set_is_in_system_directory): New function.
6621         (Object::is_in_system_directory): New function.
6622         (Object::do_is_incremental): New function.
6623         (Object::do_get_mtime): New function.
6624         (Object::do_for_all_local_got_entries): New function.
6625         (Object::is_in_system_directory_): New data member.
6626         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
6627         (class Sized_relobj_base): New class.
6628         (class Sized_relobj): Derive from Sized_relobj_base.
6629         (class Sized_relobj::Symbols): Redeclare from base class.
6630         (class Sized_relobj::local_got_offset_list): Remove.
6631         (class Sized_relobj::Output_sections): Redeclare from base class.
6632         (class Sized_relobj::do_for_all_local_got_entries): New function.
6633         (class Sized_relobj::write_local_symbols): Add offset parameter.
6634         (class Sized_relobj::local_symbol_offset_): Update comment.
6635         (class Sized_relobj::local_dynsym_offset_): Update comment.
6636         * options.cc (Input_arguments::add_file): Remove const.
6637         * options.h (Input_file_argument::Input_file_argument):
6638         Initialize arg_serial_ (all constructors).
6639         (Input_file_argument::set_arg_serial): New function.
6640         (Input_file_argument::arg_serial): New function.
6641         (Input_file_argument::arg_serial_): New data member.
6642         (Input_arguments::Input_arguments): Initialize file_count_.
6643         (Input_arguments::add_file): Remove const.
6644         (Input_arguments::number_of_input_files): New function.
6645         (Input_arguments::file_count_): New data member.
6646         (Command_line::number_of_input_files): Call
6647         Input_arguments::number_of_input_files.
6648         * output.cc (Output_segment_headers::Output_segment_headers):
6649         Set current size.
6650         (Output_section::Input_section::current_data_size): New function.
6651         (Output_section::Output_section): Initialize new data members.
6652         (Output_section::add_input_section): Don't do merge sections for
6653         an incremental link; allocate space from free list for an
6654         incremental update.
6655         (Output_section::add_output_section_data): Allocate space from
6656         free list for an incremental update.
6657         (Output_section::update_data_size): New function.
6658         (Output_section::set_fixed_layout): New function.
6659         (Output_section::reserve): New function.
6660         (Output_segment::set_section_addresses): Remove const.
6661         (Output_segment::set_section_list_addresses): Remove const; allocate
6662         space from free list for an incremental update.
6663         (Output_segment::set_offset): Adjust size of RELRO segment for an
6664         incremental update.
6665         * output.h (Output_data::current_data_size): Move here from
6666         child classes.
6667         (Output_data::pre_finalize_data_size): New function.
6668         (Output_data::update_data_size): New function.
6669         (Output_section_headers::update_data_size): new function.
6670         (Output_section_data_build::current_data_size): Move to Output_data.
6671         (Output_data_strtab::update_data_size): New function.
6672         (Output_section::current_data_size): Move to Output_data.
6673         (Output_section::set_fixed_layout): New function.
6674         (Output_section::has_fixed_layout): New function.
6675         (Output_section::reserve): New function.
6676         (Output_section::update_data_size): New function.
6677         (Output_section::has_fixed_layout_): New data member.
6678         (Output_section::free_list_): New data member.
6679         (Output_segment::set_section_addresses): Remove const.
6680         (Output_segment::set_section_list_addresses): Remove const.
6681         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
6682         New function.
6683         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
6684         New function.
6685         * readsyms.cc (Read_symbols::do_read_symbols): Add library
6686         parameter when calling Add_symbols constructor; store argument
6687         serial number for members of a lib group.
6688         (Add_symbols::locks): Allow case where token == NULL.
6689         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
6690         (Read_member::~Read_member): New function.
6691         (Read_member::is_runnable): New function.
6692         (Read_member::locks): New function.
6693         (Read_member::run): New function.
6694         (Check_script::~Check_script): New function.
6695         (Check_script::is_runnable): New function.
6696         (Check_script::locks): New function.
6697         (Check_script::run): New function.
6698         (Check_library::~Check_library): New function.
6699         (Check_library::is_runnable): New function.
6700         (Check_library::locks): New function.
6701         (Check_library::run): New function.
6702         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
6703         (Add_symbols::library_): New data member.
6704         (class Read_member): New class.
6705         (class Check_script): New class.
6706         (class Check_library): New class.
6707         * reloc.cc (Read_relocs::is_runnable): Allow case where
6708         token == NULL.
6709         (Read_relocs::locks): Likewise.
6710         (Scan_relocs::locks): Likewise.
6711         (Relocate_task::locks): Likewise.
6712         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
6713         to clear counters.
6714         (Sized_relobj::incremental_relocs_scan): Fix comment.
6715         (Sized_relobj::do_relocate): Pass output file offset to
6716         write_local_symbols.
6717         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
6718         from class declaration.
6719         * script.cc (read_input_script): Allocate Script_info; pass
6720         argument serial number to report_script.
6721         * script.h (class Script_info): Move to incremental.h.
6722         * symtab.cc (Symbol_table::add_from_incrobj): New function.
6723         * symtab.h (Symbol_table::add_from_incrobj): New function.
6724         (Symbol_table::set_file_offset): New function.
6725
6726 2011-04-05  Cary Coutant  <ccoutant@google.com>
6727
6728         * incremental-dump.cc (dump_incremental_inputs): Change signature
6729         to take a Sized_incremental_binary; change caller.  Use readers
6730         in Sized_incremental_binary.
6731         * incremental.cc
6732         (Sized_incremental_binary::find_incremental_inputs_sections):
6733         Rename do_find_incremental_inputs_sections to this.
6734         (Sized_incremental_binary::setup_readers): New function.
6735         (Sized_incremental_binary::do_check_inputs): Check
6736         has_incremental_info_ flag; move setup code to setup_readers;
6737         use input readers.
6738         (Sized_incremental_binary::do_file_is_unchanged): New function.
6739         (Sized_incremental_binary::do_get_input_reader): New function.
6740         * incremental.h (class Incremental_binary): Move to end of file.
6741         (Incremental_binary::file_is_unchanged): New function.
6742         (Incremental_binary::do_file_is_unchanged): New function.
6743         (Incremental_binary::Input_reader): New class.
6744         (Incremental_binary::get_input_reader): New function.
6745         (class Sized_incremental_binary): Move to end of file.
6746         (Sized_incremental_binary::Sized_incremental_binary): Setup the
6747         input section reader classes.
6748         (Sized_incremental_binary::has_incremental_info): New function.
6749         (Sized_incremental_binary::inputs_reader): New function.
6750         (Sized_incremental_binary::symtab_reader): New function.
6751         (Sized_incremental_binary::relocs_reader): New function.
6752         (Sized_incremental_binary::got_plt_reader): New function.
6753         (Sized_incremental_binary::do_file_is_unchanged): New function.
6754         (Sized_incremental_binary::Sized_input_reader): New class.
6755         (Sized_incremental_binary::get_input_reader): New function.
6756         (Sized_incremental_binary::find_incremental_inputs_sections):
6757         Rename do_find_incremental_inputs_sections to this.
6758         (Sized_incremental_binary::setup_readers): New function.
6759         (Sized_incremental_binary::has_incremental_info_): New data member.
6760         (Sized_incremental_binary::inputs_reader_): New data member.
6761         (Sized_incremental_binary::symtab_reader_): New data member.
6762         (Sized_incremental_binary::relocs_reader_): New data member.
6763         (Sized_incremental_binary::got_plt_reader_): New data member.
6764         (Sized_incremental_binary::current_input_file_): New data member.
6765
6766 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
6767
6768         PR gold/12640
6769         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
6770         violation.
6771
6772 2011-03-30  Cary Coutant  <ccoutant@google.com>
6773
6774         * archive.cc (Archive::include_member): Adjust call to report_object.
6775         (Add_archive_symbols::run): Add script_info to call to
6776         report_archive_begin.
6777         (Lib_group::include_member): Adjust call to report_object.
6778         (Add_lib_group_symbols::run): Adjust call to report_object.
6779         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
6780         blocks.  Add object count for script input files.
6781         * incremental.cc (Incremental_inputs::report_archive_begin): Add
6782         script_info parameter; change all callers.
6783         (Incremental_inputs::report_object): Add script_info parameter;
6784         change all callers.
6785         (Incremental_inputs::report_script): Store backpointer to
6786         incremental info entry.
6787         (Output_section_incremental_inputs::set_final_data_size): Record
6788         additional information for scripts.
6789         (Output_section_incremental_inputs::write_info_blocks): Likewise.
6790         * incremental.h (Incremental_script_entry::add_object): New function.
6791         (Incremental_script_entry::get_object_count): New function.
6792         (Incremental_script_entry::get_object): New function.
6793         (Incremental_script_entry::objects_): New data member; adjust
6794         constructor.
6795         (Incremental_inputs::report_archive_begin): Add script_info parameter.
6796         (Incremental_inputs::report_object): Add script_info parameter.
6797         (Incremental_inputs_reader::get_object_count): New function.
6798         (Incremental_inputs_reader::get_object_offset): New function.
6799         * options.cc (Input_arguments::add_file): Return reference to
6800         new input argument.
6801         * options.h (Input_argument::set_script_info): New function.
6802         (Input_argument::script_info): New function.
6803         (Input_argument::script_info_): New data member; adjust all
6804         constructors.
6805         (Input_file_group::add_file): Return reference to new input argument.
6806         (Input_file_lib::add_file): Likewise.
6807         (Input_arguments::add_file): Likewise.
6808         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
6809         * script.cc (Parser_closure::Parser_closure): Add script_info
6810         parameter; adjust all callers.
6811         (Parser_closure::script_info): New function.
6812         (Parser_closure::script_info_): New data member.
6813         (read_input_script): Report scripts earlier to incremental info.
6814         (script_add_file): Set script_info in Input_argument.
6815         (script_add_library): Likewise.
6816         * script.h (Script_options::Script_info): Rewrite class.
6817
6818 2011-03-29  Cary Coutant  <ccoutant@google.com>
6819
6820         * archive.cc (Library_base::should_include_member): Move
6821         method here from class Archive.
6822         (Archive::Archive): Initialize base class.
6823         (Archive::should_include_member): Move to base class.
6824         (Archive::do_for_all_unused_symbols): New function.
6825         (Add_archive_symbols::run): Remove redundant access to
6826         incremental_inputs.
6827         (Lib_group::Lib_group): Initialize base class.
6828         (Lib_group::do_filename): New function.
6829         (Lib_group::include_member): Pass pointer to Lib_group to
6830         report_object.
6831         (Lib_group::do_for_all_unused_symbols): New function.
6832         (Add_lib_group_symbols::run): Report archive information for
6833         incremental links.
6834         * archive.h (class Library_base): New base class.
6835         (class Archive): Derive from Library_base.
6836         (Archive::filename): Move to base class.
6837         (Archive::set_incremental_info): Likewise.
6838         (Archive::incremental_info): Likewise.
6839         (Archive::Should_include): Likewise.
6840         (Archive::should_include_member): Likewise.
6841         (Archive::Armap_entry): Remove.
6842         (Archive::Unused_symbol_iterator): Remove.
6843         (Archive::unused_symbols_begin): Remove.
6844         (Archive::unused_symbols_end): Remove.
6845         (Archive::do_filename): New function.
6846         (Archive::do_get_mtime): New function.
6847         (Archive::do_for_all_unused_symbols): New function.
6848         (Archive::task_): Move to base class.
6849         (Archive::incremental_info_): Likewise.
6850         (class Lib_group): Derive from Library_base.
6851         (Lib_group::do_filename): New function.
6852         (Lib_group::do_get_mtime): New function.
6853         (Lib_group::do_for_all_unused_symbols): New function.
6854         (Lib_group::task_): Move to base class.
6855         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
6856         function.
6857         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
6858         function.
6859         * incremental.cc (Incremental_inputs::report_archive_begin):
6860         Use Library_base; call library's get_mtime; add incremental inputs
6861         entry before members.
6862         (class Unused_symbol_visitor): New class.
6863         (Incremental_inputs::report_archive_end): Use Library_base; use
6864         visitor class to record unused symbols; don't add incremental inputs
6865         entry after members.
6866         (Incremental_inputs::report_object): Use Library_base.
6867         * incremental.h
6868         (Incremental_archive_entry::Incremental_archive_entry): Remove
6869         unused Archive parameter.
6870         (Incremental_inputs::report_archive_begin): Use Library_base.
6871         (Incremental_inputs::report_archive_end): Likewise.
6872         (Incremental_inputs::report_object): Likewise.
6873         * object.cc (Sized_relobj::do_for_all_global_symbols): New
6874         function.
6875         * object.h (Object::for_all_global_symbols): New function.
6876         (Object::do_for_all_global_symbols): New function.
6877         (Sized_relobj::do_for_all_global_symbols): New function.
6878         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
6879         function.
6880         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
6881         function.
6882
6883 2011-03-27  Ian Lance Taylor  <iant@google.com>
6884
6885         * archive.cc (Archive::interpret_header): Return -1 if something
6886         goes wrong.  Change callers accordingly.
6887
6888 2011-03-25  Cary Coutant  <ccoutant@google.com>
6889
6890         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
6891         * testsuite/Makefile.in: Regenerate.
6892
6893 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
6894
6895         * plugin.cc (get_view): New.
6896         (Plugin::load): Pass get_view to the plugin.
6897         (Plugin_manager::get_view): New.
6898
6899 2011-03-21  Ian Lance Taylor  <iant@google.com>
6900
6901         * testsuite/final_layout.sh: Rewrite to not use dc.
6902         * testsuite/relro_test.sh: Fail if dc is not present.
6903
6904 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
6905
6906         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
6907         Change == to -eq.
6908         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
6909         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
6910         Change == to -eq.
6911         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
6912         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
6913
6914 2011-03-14  Ian Lance Taylor  <iant@google.com>
6915
6916         * script-sections.cc (Sort_output_sections::script_compare):
6917         Rename from is_before, change return type.
6918         (Sort_output_sections::operator()): Adjust accordingly.
6919
6920 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
6921
6922         PR gold/12572
6923         * testsuite/odr_violation2.cc: Add comment to make all error line
6924         numbers double digits.
6925         * testsuite/debug_msg.sh: Adjust expected errors.
6926
6927 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
6928
6929         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
6930         but mark earlier ones as non-canonical
6931         (offset_to_iterator): Update search target and example
6932         (do_addr2line): Return extra lines in a vector*
6933         (format_file_lineno): Extract from do_addr2line
6934         (one_addr2line): Add vector* out-param
6935         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
6936         when a lineno entry appeared last for its instruction
6937         (Dwarf_line_info): Add vector* out-param
6938         * object.cc (Relocate_info): Pass NULL for the vector* out-param
6939         * symtab.cc (Odr_violation_compare): Include the lineno in the
6940         comparison again.
6941         (linenos_from_loc): New. Combine the canonical line for an
6942         address with its other lines.
6943         (True_if_intersect): New. Helper functor to make
6944         std::set_intersection a query.
6945         (detect_odr_violations): Compare sets of lines instead of just
6946         one line for each function. This became less deterministic, but
6947         has fewer false positives.
6948         * symtab.h: Declarations.
6949         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
6950         mix an optimized and non-optimized object in the same binary
6951         (odr_violation2.so): Same.
6952         * testsuite/Makefile.in: Regenerate from Makefile.am.
6953         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
6954         * testsuite/debug_msg.sh: Update line numbers and add
6955         assertions.
6956         * testsuite/odr_violation1.cc: Use OdrDerived, in a
6957         non-optimized context.
6958         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
6959         isn't inlined, and use OdrDerived in an optimized context.
6960         * testsuite/odr_header1.h: Defines OdrDerived, where
6961         optimization will change the
6962         first-instruction-in-the-destructor's file and line number.
6963         * testsuite/odr_header2.h: Defines OdrBase.
6964
6965 2011-03-09  Ian Lance Taylor  <iant@google.com>
6966
6967         * fileread.cc (File_read::clear_views): Don't delete the whole
6968         file view.
6969
6970 2011-03-08  Ian Lance Taylor  <iant@google.com>
6971
6972         PR gold/12525
6973         * fileread.cc: #include <climits>.
6974         (GOLD_IOV_MAX): Define.
6975         (File_read::read_multiple): Limit number of entries by iov_max.
6976         * fileread.h (class File_read): Always set max_readv_entries to
6977         128.
6978
6979 2011-03-07  Ian Lance Taylor  <iant@google.com>
6980
6981         PR gold/12525
6982         * options.h (class General_options): Add -dy and -dn.
6983
6984 2011-03-02  Cary Coutant  <ccoutant@google.com>
6985
6986         * testsuite/script_test_9.t: Add TLS segment.
6987
6988 2011-03-02  Simon Baldwin  <simonb@google.com>
6989
6990         * configure.ac: Add check for gnu_indirect_function support in
6991         the toolchain building binutils.
6992         * configure: Rebuild.
6993
6994 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
6995
6996         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
6997         plugin only symbols.
6998         (Symbol_table::sized_finalize_symbol) Mark symbol only present
6999         in plugin files as not needed in the symbol table.
7000
7001 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
7002
7003         * output.cc (Output_section::add_input_section): Delay fill
7004         generation for section ordering.
7005
7006 2011-02-09  Ian Lance Taylor  <iant@google.com>
7007
7008         PR gold/12316
7009         * object.h (class Sized_relobj): Remove clear_local_symbols.
7010         * reloc.cc (Sized_relobj::do_relocate): Don't call
7011         clear_local_symbols.
7012
7013 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
7014
7015         * plugin.cc (is_visible_from_outside): Return true for symbols
7016         in the -u option.
7017
7018 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
7019
7020         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
7021         filename.
7022
7023 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
7024
7025         * icf.h (is_section_foldable_candidate): Change type of parameter
7026         to std::string.
7027         * icf.cc (Icf::find_identical_sections): Change type of local variable
7028         section_name to be std::string.
7029         (is_function_ctor_or_dtor): Change type of parameter to std::string.
7030
7031 2011-01-25  Ian Lance Taylor  <iant@google.com>
7032
7033         * script.cc (script_add_extern): Rewrite to use
7034         add_symbol_reference.
7035
7036 2011-01-25  Doug Kwan  <dougkwan@google.com>
7037
7038         * icf.cc (get_section_contents): Always lock section's object.
7039
7040 2011-01-24  Ian Lance Taylor  <iant@google.com>
7041
7042         * options.h (class General_options): Accept
7043         --no-detect-odr-violations.
7044
7045 2011-01-24  Ian Lance Taylor  <iant@google.com>
7046
7047         * version.cc (version_string): Bump to 1.11.
7048
7049 2011-01-24  Ian Lance Taylor  <iant@google.com>
7050
7051         * plugin.cc (class Plugin_rescan): Define new class.
7052         (Plugin_manager::claim_file): Set any_claimed_.
7053         (Plugin_manager::save_archive): New function.
7054         (Plugin_manager::save_input_group): New function.
7055         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
7056         necessary.
7057         (Plugin_manager::new_undefined_symbol): New function.
7058         (Plugin_manager::rescan): New function.
7059         (Plugin_manager::rescannable_defines): New function.
7060         (Plugin_manager::add_input_file): Set any_added_.
7061         * plugin.h (class Plugin_manager): define new fields rescannable_,
7062         undefined_symbols_, any_claimed_, and any_added_.  Declare
7063         Plugin_rescan as friend.  Declare new functions.
7064         (Plugin_manager::Rescannable): Define type.
7065         (Plugin_manager::Rescannable_list): Define type.
7066         (Plugin_manager::Undefined_symbol_list): Define type.
7067         (Plugin_manager::Plugin_manager): Initialize new fields.
7068         * archive.cc (Archive::defines_symbol): New function.
7069         (Add_archive_symbols::run): Pass archive to plugins if any.
7070         * archive.h (class Archive): Declare defines_symbol.
7071         * readsyms.cc (Input_group::~Input_group): New function.
7072         (Finish_group::run): Pass input_group to plugins if any.
7073         * readsyms.h (class Input_group): Declare destructor.
7074         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
7075         any.
7076
7077 2011-01-10  Ian Lance Taylor  <iant@google.com>
7078
7079         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
7080         section as relro.
7081         (Layout::set_segment_offsets): Reset increase_relro before calling
7082         set_section_addresses a second time.
7083
7084 2011-01-04  Cary Coutant  <ccoutant@google.com>
7085
7086         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
7087         sections before NOBITS sections.
7088
7089 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
7090
7091         * version.cc (print_version): Update copyright to 2011.
7092
7093 2010-12-23  Cary Coutant  <ccoutant@google.com>
7094
7095         * output.h (Output_data_reloc::add_output_section): Pass OD instead
7096         of OS to this->add.  Add OD parameter to second form of the function.
7097
7098 2010-12-20  Ian Lance Taylor  <iant@google.com>
7099
7100         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
7101         second of two consecutive entries with same offset.
7102
7103 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7104
7105         * testsuite/Makefile.am (ifuncmain2static_LDADD)
7106         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
7107         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
7108         to avoid unneeded links against $(LDADD).
7109         * testsuite/Makefile.in: Regenerate.
7110
7111 2010-12-15  Ian Lance Taylor  <iant@google.com>
7112
7113         PR gold/12324
7114         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
7115         for R_X86_64_32 and R_X86_64_PC32.
7116         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
7117         ver_matching_def_pic.o.
7118         (ver_matching_def_pic.o): New target.
7119
7120 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7121
7122         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
7123         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
7124         Move definition before File_read::View member definitions.
7125         (File_read::View::~View): Initialize and hold lock before
7126         updating current_mapped_bytes.
7127
7128 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7129
7130         * dwarf_reader.cc: Remove outdated comment.
7131         * gold-threads.cc: Fix typo in error message.
7132         * archive.cc: Fix typos in comments.
7133         * archive.h: Likewise.
7134         * arm-reloc-property.cc: Likewise.
7135         * arm-reloc-property.h: Likewise.
7136         * arm-reloc.def: Likewise.
7137         * arm.cc: Likewise.
7138         * attributes.h: Likewise.
7139         * cref.cc: Likewise.
7140         * ehframe.cc: Likewise.
7141         * fileread.h: Likewise.
7142         * gold.h: Likewise.
7143         * i386.cc: Likewise.
7144         * icf.cc: Likewise.
7145         * incremental.h: Likewise.
7146         * int_encoding.cc: Likewise.
7147         * layout.h: Likewise.
7148         * main.cc: Likewise.
7149         * merge.h: Likewise.
7150         * object.cc: Likewise.
7151         * object.h: Likewise.
7152         * options.cc: Likewise.
7153         * readsyms.cc: Likewise.
7154         * reduced_debug_output.cc: Likewise.
7155         * reloc.cc: Likewise.
7156         * script-sections.cc: Likewise.
7157         * sparc.cc: Likewise.
7158         * symtab.h: Likewise.
7159         * target-reloc.h: Likewise.
7160         * target.cc: Likewise.
7161         * target.h: Likewise.
7162         * timer.cc: Likewise.
7163         * timer.h: Likewise.
7164         * x86_64.cc: Likewise.
7165
7166 2010-12-09  Cary Coutant  <ccoutant@google.com>
7167
7168         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
7169         stack.
7170         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
7171         parameter; change all callers.
7172         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
7173         * options.h (warn_execstack): New option.
7174
7175 2010-12-07  Doug Kwan  <dougkwan@google.com>
7176
7177         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
7178         like function call relocations.
7179
7180 2010-12-07  Ian Lance Taylor  <iant@google.com>
7181
7182         * archive.cc (Archive::get_elf_object_for_member): Permit
7183         punconfigured to be NULL.
7184         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
7185         (Archive::include_member): Pass NULL to get_elf_object_for_member
7186         if we searched for the archive and this is the first included
7187         object.
7188
7189 2010-12-01  Ian Lance Taylor  <iant@google.com>
7190
7191         * dwarf_reader.h (class Sized_dwarf_line_info): Add
7192         track_relocs_type_ field.
7193         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7194         Set track_relocs_type_.
7195         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
7196         contents when using RELA relocs.
7197         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
7198         reloc_map_.
7199         * reloc.cc (Track_relocs::next_addend): New function.
7200         * reloc.h (class Track_relocs): Declare next_addend.
7201
7202 2010-12-01  Ian Lance Taylor  <iant@google.com>
7203
7204         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
7205         virtual destructor.
7206
7207 2010-12-01  Ian Lance Taylor  <iant@google.com>
7208
7209         * README: Update compilers known to work and fail.
7210
7211 2010-11-23  Matthias Klose  <doko@ubuntu.com>
7212
7213         * configure.in: For --enable-gold, handle value `default' instead of
7214         `both*'.  Always install ld as ld.bfd, install as ld if gold is
7215         not the default.
7216         * configure: Regenerate.
7217
7218 2010-11-18  Doug Kwan  <dougkwan@google.com>
7219
7220         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
7221         and right_alignment to be zero.  Store result alignment only if it is
7222         greater than existing alignment.
7223
7224 2010-11-16  Cary Coutant  <ccoutant@google.com>
7225
7226         PR gold/12220
7227         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7228         Check for ".zdebug_line".
7229
7230 2010-11-16  Doug Kwan  <dougkwan@google.com>
7231             Cary Coutant  <ccoutant@google.com>
7232
7233         * output.h (Output_segment::set_section_addresses): Pass increase_relro
7234         by reference; adjust all callers.
7235         * output.cc (Output_segment::set_section_addresses): Adjust references
7236         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
7237         list is empty.
7238         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
7239         end at page boundary.
7240
7241 2010-11-16  Cary Coutant  <ccoutant@google.com>
7242
7243         PR gold/12220
7244         * layout.cc (Layout::choose_output_section): Transform names of
7245         compressed sections even when using a script with a SECTIONS clause.
7246         (Layout::output_section_name): Remove code to transform
7247         compressed debug section names.
7248         * output.cc (Output_section::add_input_section): Use uncompressed
7249         section size when tracking input sections.
7250
7251 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
7252
7253         * symtab.h (Symbol::NON_PIC_REF): Remove.
7254         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
7255         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
7256         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
7257         (Symbol::use_plt_offset): Take a flags argument and pass it
7258         directly to needs_dynamic_reloc.  Restrict check for undefined
7259         weak symbols to function calls.
7260         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
7261         (Target_arm::Scan::global): Use it.
7262         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
7263         (Target_arm::Relocate::relocate): Likewise.
7264         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
7265         parameter with an r_type parameter.  Use get_reference_flags
7266         to get the flags.
7267         (Target_arm::Relocate::relocate): Update accordingly.
7268         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
7269         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
7270         (Target_i386::Scan::global): Likewise.
7271         (Target_i386::Relocate::relocate): Likewise.
7272         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
7273         parameter with an r_type parameter.  Use get_reference_flags
7274         to get the flags.
7275         (Target_i386::Relocate::relocate): Update accordingly.
7276         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
7277         (Target_powerpc::Scan::global): Use it.
7278         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
7279         (Target_powerpc::Relocate::relocate): Likewise.
7280         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
7281         (Target_sparc::Scan::global): Use it.
7282         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
7283         (Target_sparc::Relocate::relocate): Likewise.
7284         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
7285         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
7286         (Target_x86_64::Scan::global): Likewise.
7287         (Target_x86_64::Relocate::relocate): Likewise.
7288
7289 2010-11-08  Doug Kwan  <dougkwan@google.com>
7290             Cary Coutant  <ccoutant@google.com>
7291
7292         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
7293         (Arm_exidx_merge_section::section_contents_): New data member.
7294         (Arm_input_section::Arm_input_section): Initialize original_contents_.
7295         (Arm_input_section::~Arm_input_section): De-allocate memory.
7296         (Arm_input_section::original_contents_): New data member.
7297         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
7298         in parameters instead of calling Object::section_contents without
7299         locking.
7300         (Arm_output_section::group_section): New parameter TASK.  Pass it
7301         to callees that need locking objects.
7302         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
7303         to lock EXIDX input sections.  Fix a formatting issue.  Call
7304         Arm_exidx_merged_section::build_contents to create merged section
7305         contents.
7306         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
7307         to lock object of stub table owner.
7308         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
7309         TEXT_SIZE to initialize data member TEXT_SIZE_.
7310         (Arm_exidx_input_section::addralign): Fix typo in comment.
7311         (Arm_exidx_input_section::text_size): New method.
7312         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
7313         that require locking objects.  Lock objects before scanning for stubs
7314         and updating local symbols.
7315         (Arm_input_section<big_endian>::init): Copy contents of original
7316         input section.
7317         (Arm_input_section<big_endian>::do_write): Use saved contents of
7318         original input section instead of calling Object::section_contents
7319         without locking.
7320         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
7321         size without calling Object::section_size().
7322         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
7323         for size.  Allocate a buffer for merged EXIDX entries.
7324         (Arm_exidx_merged_section::build_contents): New method.
7325         (Arm_exidx_merged_section::do_write): Move merge section contents
7326         building code to Arm_exidx_merged_section::build_contetns.  Write
7327         out contetns in buffer instead of building it on the fly.
7328         (Arm_relobj::make_exidx_input_section): Also pass text section size
7329         to Arm_exidx_input_section constructor.
7330         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
7331         (Arm_dynobj::do_read_symbols): Fix memory leak.
7332         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
7333         * target.h: (class Task): Add forward declaration.
7334         (Target::relax): Add new parameter TASK and pass it to
7335         Target::do_relax().
7336         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
7337
7338 2010-11-05  Cary Coutant  <ccoutant@google.com>
7339
7340         PR gold/10708
7341         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
7342         object when reading from the file.
7343         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
7344         second layout pass.
7345         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
7346         when reading section contents.
7347         (get_section_contents): Likewise.
7348         (icf::find_identical_sections): Likewise.
7349         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
7350         object when reading from the file.
7351         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
7352         the object when doing deferred section layout.
7353
7354 2010-11-03  Nick Clifton  <nickc@redhat.com>
7355
7356         PR gold/12001
7357         * script.h (class Symbol_assignment: name): New member.  Returns
7358         the name of the symbol.
7359         * scrfipt.cc (Script_options::is_pending_assignment): New member.
7360         Returns true if the given symbol name is on the list of
7361         assignments wating to be processed.
7362         * archive.cc (should_incldue_member): If the symbol is undefined,
7363         check to see if it is on the list of symbols pending assignment.
7364
7365 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
7366
7367         * script-sections.cc (Script_sections::find_memory_region): Check
7368         for a NULL output section pointer.
7369
7370 2010-10-29  Doug Kwan  <dougkwan@google.com>
7371
7372         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
7373         Output_section::add_relaxed_input_section.
7374         * output.cc (Output_section::add_relaxed_input_section): Add new
7375         arguments LAYOUT and NAME.  Set section order index.
7376         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7377         Copy section order index.
7378         * output.h (Output_section::add_relaxed_input_section): Add new
7379         arguments LAYOUT and NAME.
7380
7381 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7382
7383         * testsuite/Makefile.am: Move gcctestdir/ld rule to
7384         NATIVE_OR_CROSS_LINKER.
7385         * testsuite/Makefile.in: Regenerate.
7386
7387 2010-10-20  Doug Kwan  <dougkwan@google.com>
7388
7389         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
7390         without SHF_LINK_ORDER flags.
7391         * layout.cc (Layout::choose_output_section): Do not filter
7392         SHF_LINK_ORDER flag in a relocatable link.
7393
7394 2010-10-17  Cary Coutant  <ccoutant@google.com>
7395
7396         * output.h (Output_segment::set_section_addresses): Change function
7397         signature.  Update all callers.
7398         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
7399         sections.
7400         (Output_segment::set_section_addresses): Align after last TLS
7401         section.  Add padding before last relro section instead of after.
7402
7403 2010-10-17  Doug Kwan  <dougkwan@google.com>
7404
7405         * gold/arm.cc (Target_arm::got_section): Use correct order and set
7406         GOT output section to be writable.
7407
7408 2010-10-14  Cary Coutant  <ccoutant@google.com>
7409
7410         * debug.h (DEBUG_INCREMENTAL): New flag.
7411         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
7412         * gold.cc (queue_initial_tasks): Check parameters for incremental link
7413         mode.
7414         * incremental.cc (report_command_line): Ignore all forms of
7415         --incremental.
7416         * layout.cc (Layout::Layout): Check parameters for incremental link
7417         mode.
7418         * options.cc (General_options::parse_incremental): New function.
7419         (General_options::parse_no_incremental): New function.
7420         (General_options::parse_incremental_full): New function.
7421         (General_options::parse_incremental_update): New function.
7422         (General_options::incremental_mode_): New data member.
7423         (General_options::finalize): Check incremental_mode_.
7424         * options.h (General_options): Update help text for --incremental.
7425         Add --no-incremental, --incremental-full, --incremental-update.
7426         (General_options::Incremental_mode): New enum type.
7427         (General_options::incremental_mode): New function.
7428         (General_options::incremental_mode_): New data member.
7429         * parameters.cc (Parameters::incremental_mode_): New data member.
7430         (Parameters::set_options): Set incremental_mode_.
7431         (Parameters::set_incremental_full): New function.
7432         (Parameters::incremental): New function.
7433         (Parameters::incremental_update): New function.
7434         (set_parameters_incremental_full): New function.
7435         * parameters.h (Parameters::set_incremental_full): New function.
7436         (Parameters::incremental): New function.
7437         (Parameters::incremental_update): New function.
7438         (Parameters::incremental_mode_): New data member.
7439         (set_parameters_incremental_full): New function.
7440         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
7441         incremental link mode.
7442         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
7443         (Sized_relobj::do_relocate_sections): Likewise.
7444         * testsuite/Makefile.am (incremental_test): Use --incremental-full
7445         option.
7446         * testsuite/Makefile.in: Regenerate.
7447         * testsuite/incremental_test.sh: Filter all forms of --incremental.
7448
7449 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7450
7451         * script-sections.h (class Script_sections): Make
7452         Sections_elements typedef public.
7453         * script-sections.cc (class Sort_output_sections): Add elements_
7454         field.  Add constructor which sets it; change all callers.
7455         (Sort_output_sections::is_before): New function.
7456         (Sort_output_sections::operator()): Call is_before.
7457         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
7458         conditional.
7459         * testsuite/script_test_10.sh: New test. Test script section
7460         order.
7461         * testsuite/script_test_10.t: Likewise.
7462         * testsuite/script_test_10.s: Likewise.
7463         * testsuite/Makefile.am: Wrap the cross linker tests and the
7464         common tests into NATIVE_OR_CROSS_LINKER.
7465         (check_SCRIPTS): Add script_test_10.sh.
7466         (check_DATA): Add script_test_10.stdout.
7467         (script_test_10.o, script_test_10): New targets.
7468         (script_test_10.stdout): New target.
7469         * configure, testsuite/Makefile.in: Regenerate.
7470
7471 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7472
7473         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
7474         error for the deprecated relocations.
7475         (Target_arm::Scan::global): Likewise.
7476         (Target_arm::Relocate::relocate): Likewise.
7477
7478 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
7479
7480         * fileread.cc (Input_file::find_file): Initialize *found_name
7481         and *namep when using the fallback search for case 4.
7482
7483 2010-10-11  Cary Coutant  <ccoutant@google.com>
7484
7485         * options.h (class General_options): Redefine -z lazy as an alias for
7486         the negation of -z now.
7487
7488 2010-10-11  Ian Lance Taylor  <iant@google.com>
7489
7490         * resolve.cc (symbol_to_bits): Report the value of the unsupported
7491         binding.
7492
7493 2010-10-06  Nick Clifton  <nickc@redhat.com>
7494
7495         * script-sections.cc(class Memory_region): Remove
7496         current_lma_offset_ field.  Rename current_vma_offset_ to
7497         current_offset_.  Add last_section_ field.
7498         (Memory_region::get_current_vma_address): Rename to
7499         get_current_address.
7500         (Memory_region::get_current_lma_address): Delete.
7501         (Memory_region::increment_vma_offset): Rename to
7502         increment_offset.
7503         (Memory_region::increment_lma_offset): Delete.
7504         (Memory_region::attributes_compatible): New method.  Returns
7505         true if the provided section is compatible with the region.
7506         (Memory_region::get_last_section): New method.  Returns the last
7507         section to use the region.
7508         (Memory_region::set_last_section): New method.  Stores the last
7509         section to use the region.
7510         (Script_sections::block_in_region): New method.  Returns true if
7511         a block of memory is contained within a region.
7512         (Script_sections::find_memory_region): New method.  Locates a
7513         memory region to be used to set a VMA or LMA address.
7514         (Output_section_definition::set_section_addresses): Add code to
7515         check for addresses set by memory regions.
7516         (Output_segment::set_section_addresses): Remove memory region
7517         walking code.
7518         (Script_sections::create_segment): Add a warning if a header
7519         segment is created outside of any region.
7520         * script-sections.h (class Script_sections): Add prototypes for
7521         find_memory_region and block_in_region methods.
7522         * testsuite/memory_test.s: Use .long instead of .word.
7523         * testsuite/memory_test.t: Add some more output sections.
7524         * testsuite/memory_test.sh: Update expected output.
7525
7526 2010-10-02  Doug Kwan  <dougkwan@google.com>
7527
7528         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
7529         defintion to symtab.h
7530         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
7531         declaration to defintion.
7532
7533 2010-10-01  Nick Clifton  <nickc@redhat.com>
7534
7535         * expression.cc (eval): Replace dummy argument with NULL.
7536         (eval_maybe_dot): Check for a NULL result section pointer.
7537         (Symbol_expression::value): Likewise.
7538         (Dot_expression::value): Likewise.
7539         (BINARY_EXPRESSION): Likewise.
7540         (Max_expression::value): Likewise.
7541         (Min_expression::value): Likewise.
7542         (Absolute_expression::value): Likewise.
7543         (Addr_expression::value_from_output_section): Likewise.
7544         (Loaddddr_expression::value_from_output_section): Likewise.
7545         (Segment_start_expression::value): Likewise.
7546         * script-sections.cc
7547         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
7548         argument with NULL.
7549         (Sections_elememt_dot_assignment::set_section_addresses):
7550         Likewise.
7551         (Output_data_expression::do_write_to_buffer): Likewise.
7552         (Output_section_definition::finalize_symbols): Likewise.
7553         (Output_section_definition::set_section_addresses): Likewise.
7554
7555 2010-09-30  Doug Kwan  <dougkwan@google.com>
7556
7557         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
7558
7559 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
7560
7561         * target.h (Target::can_icf_inline_merge_sections): New virtual
7562         function.
7563         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
7564         virtual function.
7565         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
7566         virtual function.
7567         * icf.cc (get_section_contents): Inline merge sections only when
7568         target allows it.
7569
7570 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7571
7572         * configure: Regenerate.
7573
7574 2010-09-17  Ian Lance Taylor  <iant@google.com>
7575
7576         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
7577         * testsuite/Makefile.am (memory_test.o): New target.
7578         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
7579         memory_test.t.
7580         * testsuite/Makefile.in: Rebuild.
7581
7582 2010-09-17  Doug Kwan  <dougkwan@google.com>
7583
7584         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
7585         defintion if relocation uses GOT entries of the symbol.
7586         * testsuite/icf_safe_test.sh: Fix test.
7587         * testsuite/icf_safe_so_test.sh: Fix test.
7588
7589 2010-09-16  Cary Coutant  <ccoutant@google.com>
7590
7591         * script_sections.cc (class Memory_region): Remove "NULL" from
7592         vector initializations.
7593
7594 2010-09-15  Cary Coutant  <ccoutant@google.com>
7595
7596         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
7597         Resolve forwarding symbols.
7598
7599 2010-09-15  Doug Kwan  <dougkwan@google.com>
7600
7601         * gold/testsuite/script_test_3.t: Add ARM special sections.
7602         * gold/testsuite/script_test_4.t: Same.
7603         * gold/testsuite/script_test_5.t: Same.
7604         * gold/testsuite/script_test_6.t: Same.
7605         * gold/testsuite/script_test_7.t: Same.
7606         * gold/testsuite/script_test_7.t: Same.
7607         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
7608
7609 2010-09-14  Cary Coutant  <ccoutant@google.com>
7610
7611         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
7612         (Target_x86_64::Relocate::relocate_tls): Replace check for
7613         saw_tls_block_reloc_ with test for executable section.
7614
7615 2010-09-12  Cary Coutant  <ccoutant@google.com>
7616
7617         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
7618         position-independent executables to shared libraries need dynamic
7619         relocations.
7620         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
7621         position-independent executables.
7622         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
7623         * testsuite/Makefile.in: Regenerate.
7624
7625 2010-09-10  Nick Clifton  <nickc@redhat.com>
7626
7627         PR gold/11997
7628         * testsuite/memory_test.t: Discard any sections that are not
7629         needed.
7630
7631 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
7632
7633         PR gold/11996
7634         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
7635         "This::" to work around a bug in gcc 4.2.
7636
7637         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
7638
7639 2010-09-09  Rafael Espindola  <espindola@google.com>
7640
7641         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
7642         sections with different PF_X flags in the same segment.
7643         (Layout::find_first_load_seg): Search all segments to find the first
7644         one.
7645         * options.h (rosegment): New.
7646
7647 2010-09-08  Rafael Espindola  <espindola@google.com>
7648
7649         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
7650
7651 2010-09-08  Doug Kwan  <dougkwan@google.com>
7652
7653         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
7654         (Arm_relobj::do_relocate_sections): Add new parameter for output
7655         file to match the parent.
7656         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
7657         of local symbols instead of input values.  Update code to track
7658         changes in gold::relocate_section.
7659         * object.cc (Sized_relobj::compute_final_local_value): New methods.
7660         (Sized_relobj::compute_final_local_value_internal): New methods.
7661         (Sized_relobj::do_finalize_local_symbols): Move code from loop
7662         body into private version of Sized_relobj::compute_final_local_value.
7663         Call the inline method.
7664         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
7665         merged symbol value if there is one.
7666         (Symbol_value::has_output_value): New method defintiion.
7667         (Sized_relobj::Compute_final_local_value_status): New enum type.
7668         (Sized_relobj::compute_final_local_value): New methods.
7669         (Sized_relobj::compute_final_local_value_internal): New methods.
7670         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
7671         and arm_cortex_a8.sh.
7672         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
7673         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
7674         New tests.
7675         * Makefile.in: Regenerate.
7676         * testsuite/arm_bl_out_of_range.s: Update test.
7677         * testsuite/thumb_bl_out_of_range.s: Ditto.
7678         * testsuite/thumb_blx_out_of_range.s: Ditto.
7679         * testsuite/arm_branch_out_of_range.sh: New file.
7680         * testsuite/arm_cortex_a8.sh: Ditto.
7681         * testsuite/arm_cortex_a8_b.s: Ditto.
7682         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
7683         * testsuite/arm_cortex_a8_b_local.s: Ditto.
7684         * testsuite/arm_cortex_a8_bl.s: Ditto.
7685         * testsuite/arm_cortex_a8_blx.s: Ditto.
7686         * testsuite/arm_cortex_a8_local.s: Ditto.
7687         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
7688         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
7689
7690 2010-09-08  Rafael Espindola  <espindola@google.com>
7691
7692         * Makefile.am (memory_test.stdout): Run readelf with -W.
7693         * Makefile.in: Regenerate.
7694         * testsuite/memory_test.sh: Make the regexps accept both 32 and
7695         64 bit output.
7696
7697 2010-09-08  Rafael Espindola  <espindola@google.com>
7698
7699         * script-sections.cc (Script_sections::add_memory_region): Convert
7700         field precision to int.
7701         * script.cc (script_set_section_region, script_set_section_region):
7702         Convert field precision to int.
7703
7704 2010-09-08  Rafael Espindola  <espindola@google.com>
7705
7706         * arm.cc (do_finalize_sections): Create the __exidx_start and
7707         __exdix_end symbols even when the section is missing.
7708
7709 2010-09-08  Nick Clifton  <nickc@redhat.com>
7710
7711         * README: Remove claim that MEMORY is not supported.
7712         * expression.cc (script_exp_function_origin)
7713         (script_exp_function_length): Move from here to ...
7714         * script.cc: ... here.
7715         (script_set_section_region, script_add_memory)
7716         (script_parse_memory_attr, script_include_directive): New
7717         functions.
7718         * script-sections.cc
7719         (class Memory_region): New class.
7720         (class Output_section_definition): Add set_memory_region,
7721         set_section_vma, set_section_lma and get_section_name methods.
7722         (class Script_Sections): Add add_memory_region,
7723         find_memory_region, find_memory_region_origin,
7724         find_memory_region_length and set_memory_region methods.
7725         Have set_section_addresses method walk the list of set memory
7726         regions.
7727         Extend the print methos to display memory regions.
7728         * script-sections.h: Add prototypes for new methods.
7729         Add enum for MEMORY region attributes.
7730         * yyscript.y: Add support for parsing MEMORY regions.
7731         * script-c.h: Add prototypes for new functions.
7732         * testsuite/Makefile.am: Add test of MEMORY region functionality.
7733         * testsuite/Makefile.in: Regenerate.
7734         * testsuite/memory_test.sh: New script.
7735         * testsuite/memory_test.s: New assembler source file.
7736         * testsuite/memory_test.t: New linker script.
7737
7738 2010-08-27  Doug Kwan  <dougkwan@google.com>
7739
7740         * gold/resolve.cc (Symbol_table::should_override): Let a weak
7741         reference override an existing dynamic weak reference.
7742         * testsuite/Makefile.am: Add new test dyn_weak_ref.
7743         * testsuite/Makefile.in: Regenerate.
7744         * testsuite/dyn_weak_ref.sh: New file.
7745         * testsuite/dyn_weak_ref_1.c: Ditto.
7746         * testsuite/dyn_weak_ref_2.c: Ditto.
7747
7748 2010-08-27  Ian Lance Taylor  <iant@google.com>
7749
7750         * incremental.h (class Incremental_input_entry): Add virtual
7751         destructor.
7752
7753 2010-08-27  Ian Lance Taylor  <iant@google.com>
7754
7755         * testsuite/start_lib_test_3.c: Mark t3 as used.
7756
7757 2010-08-27  Nick Clifton  <nickc@redhat.com>
7758
7759         * options.cc (version_script): Fix small typo in previous
7760         whitespace tidyup.
7761
7762 2010-08-25  Nick Clifton  <nickc@redhat.com>
7763
7764         * archive.cc: Formatting fixes: Remove whitespace between
7765         typename and following asterisk.  Remove whitespace between
7766         function name and opening parenthesis.
7767         * archive.h: Likewise.
7768         * arm.cc: Likewise.
7769         * attributes.cc: Likewise.
7770         * attributes.h: Likewise.
7771         * common.cc: Likewise.
7772         * copy-relocs.cc: Likewise.
7773         * dirsearch.h: Likewise.
7774         * dynobj.cc: Likewise.
7775         * ehframe.cc: Likewise.
7776         * ehframe.h: Likewise.
7777         * expression.cc: Likewise.
7778         * fileread.cc: Likewise.
7779         * fileread.h: Likewise.
7780         * gc.h: Likewise.
7781         * gold-threads.cc: Likewise.
7782         * gold.cc: Likewise.
7783         * i386.cc: Likewise.
7784         * icf.h: Likewise.
7785         * incremental-dump.cc: Likewise.
7786         * incremental.cc: Likewise.
7787         * layout.cc: Likewise.
7788         * layout.h: Likewise.
7789         * main.cc: Likewise.
7790         * merge.cc: Likewise.
7791         * merge.h: Likewise.
7792         * object.cc: Likewise.
7793         * object.h: Likewise.
7794         * options.cc: Likewise.
7795         * options.h: Likewise.
7796         * output.cc: Likewise.
7797         * output.h: Likewise.
7798         * plugin.cc: Likewise.
7799         * plugin.h: Likewise.
7800         * powerpc.cc: Likewise.
7801         * reloc.cc: Likewise.
7802         * script-c.h: Likewise.
7803         * script-sections.cc: Likewise.
7804         * script.cc: Likewise.
7805         * stringpool.cc: Likewise.
7806         * symtab.cc: Likewise.
7807         * symtab.h: Likewise.
7808         * target.cc: Likewise.
7809         * timer.cc: Likewise.
7810         * timer.h: Likewise.
7811         * version.cc: Likewise.
7812         * x86_64.cc: Likewise.
7813
7814 2010-08-24  Nick Clifton  <nickc@redhat.com>
7815
7816         PR 11899
7817         * layout.cc (segment_precedes): Sort segments by their physical
7818         addresses, if they have been set.
7819
7820 2010-08-23  Cary Coutant  <ccoutant@google.com>
7821
7822         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
7823         symbols data.
7824         (Lib_group::include_member): Unlock object after deleting its
7825         symbols data.
7826         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
7827         the bug fixed here.
7828
7829 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
7830             Cary Coutant  <ccoutant@google.com>
7831
7832         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
7833         constructor, and set_blocker.
7834         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
7835         readsyms_blocker_.
7836         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
7837         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
7838         * testsuite/Makefile.am (start_lib_test): New test case.
7839         * testsuite/Makefile.in: Regenerate.
7840         * testsuite/start_lib_test_main.c: New file.
7841         * testsuite/start_lib_test_1.c: New file.
7842         * testsuite/start_lib_test_2.c: New file.
7843         * testsuite/start_lib_test_3.c: New file.
7844
7845 2010-08-19  Ian Lance Taylor  <iant@google.com>
7846
7847         * Makefile.in: Rebuild with automake 1.11.1.
7848         * aclocal.m4: Likewise.
7849         * testsuite/Makefile.in: Likewise.
7850
7851 2010-08-19  Ian Lance Taylor  <iant@google.com>
7852
7853         PR 10893
7854         * i386.cc (class Output_data_plt_i386): Update declarations.
7855         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
7856         local_ifuncs_ fields.
7857         (Target_i386::do_plt_section_for_global): New function.
7858         (Target_i386::do_plt_section_for_local): New function.
7859         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
7860         parameter; change all callers.  Initialize global_ifuncs_ and
7861         local_ifuncs_.  If doing a static link define __rel_iplt_start and
7862         __rel_iplt_end.
7863         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
7864         (Output_data_plt_i386::add_local_ifunc_entry): New function.
7865         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
7866         symbols.
7867         (Target_i386::make_plt_section): New function, broken out of
7868         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
7869         (Target_i386::make_plt_entry): Call make_plt_section.
7870         (Target_i386::make_local_ifunc_plt_entry): New function.
7871         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
7872         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
7873         R_386_IRELATIVE to switch.
7874         (Target_i386::Scan::global): Likewise.
7875         (Target_i386::Relocate::relocate): Likewise.
7876         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
7877         switch.
7878         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
7879         (Target_x86_64::do_plt_section_for_global): New function.
7880         (Target_x86_64::do_plt_section_for_local): New function.
7881         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
7882         parameter; change all callers.  If doing a static link define
7883         __rela_iplt_start and __rela_iplt_end.
7884         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
7885         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
7886         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
7887         to point to .plt.
7888         (Target_x86_64::make_local_ifunc_plt_entry): New function.
7889         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
7890         switch.
7891         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
7892         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
7893         R_X86_64_IRELATIVE to switch.
7894         (Target_x86_64::Scan::global): Likewise.
7895         (Target_x86_64::Relocate::relocate): Likewise.
7896         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
7897         switch.
7898         * target.h (class Target): Add plt_section_for_global and
7899         plt_section_for_local functions.  Add do_plt_section_for_global
7900         and do_plt_section_for_local virtual functions.
7901         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
7902         clarifying comments.
7903         (Symbol::use_plt_offset): Handle IFUNC symbol.
7904         * object.cc (Sized_relobj::Sized_relobj): Initialize
7905         local_plt_offsets_.
7906         (Sized_relobj::local_has_plt_offset): New function.
7907         (Sized_relobj::local_plt_offset): New function.
7908         (Sized_relobj::set_local_plt_offset): New function.
7909         (Sized_relobj::do_count): Handle IFUNC symbol.
7910         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
7911         a bit away from input_shndx_ field.  Add set_is_func_symbol and
7912         is_ifunc_symbol functions.
7913         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
7914         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
7915         local_plt_offsets_ field.
7916         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
7917         * output.h (class Output_section_data): Add non-const
7918         output_section function.
7919         (class Output_data_got): Update declarations.
7920         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
7921         Add use_plt_offset parameter to global and local constructors.
7922         Change all callers.  Change local_sym_index_ field to 31 bits.
7923         Change GSYM_CODE and CONSTANT_CODE accordingly.
7924         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
7925         doing a static link don't set sh_link field.
7926         (Output_data_got::Got_entry::write): Use PLT offset if
7927         appropriate.
7928         (Output_data_got::add_global_plt): New function.
7929         (Output_data_got::add_local_plt): New function.
7930         * target-reloc.h (relocate_section): Handle IFUNC symbol.
7931         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
7932         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
7933         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
7934         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
7935         IFUNC conditional.
7936         * testsuite/ifunc-sel.h: New file.
7937         * testsuite/ifuncmain1.c: New file.
7938         * testsuite/ifuncmain1vis.c: New file.
7939         * testsuite/ifuncmod1.c: New file.
7940         * testsuite/ifuncdep2.c: New file.
7941         * testsuite/ifuncmain2.c: New file.
7942         * testsuite/ifuncmain3.c: New file.
7943         * testsuite/ifuncmod3.c: New file.
7944         * testsuite/ifuncmain4.c: New file.
7945         * testsuite/ifuncmain5.c: New file.
7946         * testsuite/ifuncmod5.c: New file.
7947         * testsuite/ifuncmain6pie.c: New file.
7948         * testsuite/ifuncmod6.c: New file.
7949         * testsuite/ifuncmain7.c: New file.
7950         * configure, testsuite/Makefile.in: Rebuild.
7951
7952 2010-08-18  Ian Lance Taylor  <iant@google.com>
7953
7954         * incremental.cc
7955         (Output_section_incremental_inputs::write_input_files): Add cast
7956         to avoid signed/unsigned comparison warning.
7957         (Output_section_incremental_inputs::write_info_blocks): Likewise.
7958
7959 2010-08-12  Cary Coutant  <ccoutant@google.com>
7960
7961         * common.cc (Sort_commons::operator()): Remove unnecessary code.
7962
7963 2010-08-13  Ian Lance Taylor  <iant@google.com>
7964
7965         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
7966
7967 2010-08-12  Cary Coutant  <ccoutant@google.com>
7968             Doug Kwan  <dougkwan@google.com>
7969
7970         * resolve.cc (Symbol_table::should_override): When a weak dynamic
7971         defintion overrides non-weak undef, remember that the original undef
7972         is not weak.
7973         * symtab.cc (Symbol_table::sized_write_global): For undef without
7974         an original weak binding, set binding to global in output.
7975         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
7976         * testsuite/Makefile.in: Regenerate.
7977         * testsuite/strong_ref_weak_def.sh: New file.
7978         * testsuite/strong_ref_weak_def_1.c: Ditto.
7979         * testsuite/strong_ref_weak_def_2.c: Ditto.
7980
7981 2010-08-12  Cary Coutant  <ccoutant@google.com>
7982
7983         * testsuite/incremental_test.sh: Rewrite.
7984         * testsuite/incremental_test_1.c: Rewrite.
7985         * testsuite/incremental_test_2.c: Rewrite.
7986
7987 2010-08-12  Cary Coutant  <ccoutant@google.com>
7988
7989         * arm.cc (Target_arm::got_size): Add const.
7990         (Target_arm::got_entry_count): New function.
7991         (Target_arm::plt_entry_count): New function.
7992         (Target_arm::first_plt_entry_offset): New function.
7993         (Target_arm::plt_entry_size): New function.
7994         (Output_data_plt_arm::entry_count): New function.
7995         (Output_data_plt_arm::first_plt_entry_offset): New function.
7996         (Output_data_plt_arm::get_plt_entry_size): New function.
7997         * i386.cc (Target_i386::got_size): Add const.
7998         (Target_i386::got_entry_count): New function.
7999         (Target_i386::plt_entry_count): New function.
8000         (Target_i386::first_plt_entry_offset): New function.
8001         (Target_i386::plt_entry_size): New function.
8002         (Output_data_plt_i386::entry_count): New function.
8003         (Output_data_plt_i386::first_plt_entry_offset): New function.
8004         (Output_data_plt_i386::get_plt_entry_size): New function.
8005         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
8006         find_incremental_inputs_sections.  Dump incremental_got_plt section.
8007         * incremental.cc: Include target.h.
8008         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
8009         parameter.  Adjust all callers.  Find incremental_got_plt section.
8010         (Incremental_inputs::create_data_sections): Create incremental_got_plt
8011         section.
8012         (Output_section_incremental_inputs::set_final_data_size): Calculate
8013         size of incremental_got_plt section.
8014         (Output_section_incremental_inputs::do_write): Write the
8015         incremental_got_plt section.
8016         (Got_plt_view_info): New struct.
8017         (Local_got_offset_visitor): New class.
8018         (Global_got_offset_visitor): New class.
8019         (Global_symbol_visitor_got_plt): New class.
8020         (Output_section_incremental_inputs::write_got_plt): New function.
8021         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
8022         Add parameter.  Adjust all callers.
8023         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
8024         (Incremental_inputs::got_plt_section): New function.
8025         (Incremental_inputs::got_plt_section_): New data member.
8026         (Incremental_got_plt_reader): New class.
8027         * layout.cc (Layout::create_incremental_info_sections): Add the
8028         incremental_got_plt section.
8029         * object.h (Got_offset_list::get_list): New function.
8030         (Got offset_list::for_all_got_offsets): New function.
8031         (Sized_relobj::local_got_offset_list): New function.
8032         * powerpc.cc (Target_powerpc::got_size): Add const.
8033         (Target_powerpc::got_entry_count): New function.
8034         (Target_powerpc::plt_entry_count): New function.
8035         (Target_powerpc::first_plt_entry_offset): New function.
8036         (Target_powerpc::plt_entry_size): New function.
8037         (Output_data_plt_powerpc::entry_count): New function.
8038         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
8039         (Output_data_plt_powerpc::get_plt_entry_size): New function.
8040         * sparc.cc (Target_sparc::got_size): Add const.
8041         (Target_sparc::got_entry_count): New function.
8042         (Target_sparc::plt_entry_count): New function.
8043         (Target_sparc::first_plt_entry_offset): New function.
8044         (Target_sparc::plt_entry_size): New function.
8045         (Output_data_plt_sparc::entry_count): New function.
8046         (Output_data_plt_sparc::first_plt_entry_offset): New function.
8047         (Output_data_plt_sparc::get_plt_entry_size): New function.
8048         * symtab.h (Symbol::got_offset_list): New function.
8049         (Symbol_table::for_all_symbols): New function.
8050         * target.h (Sized_target::got_entry_count): New function.
8051         (Sized_target::plt_entry_count): New function.
8052         (Sized_target::plt_entry_size): New function.
8053         * x86_64.cc (Target_x86_64::got_size): Add const.
8054         (Target_x86_64::got_entry_count): New function.
8055         (Target_x86_64::plt_entry_count): New function.
8056         (Target_x86_64::first_plt_entry_offset): New function.
8057         (Target_x86_64::plt_entry_size): New function.
8058         (Output_data_plt_x86_64::entry_count): New function.
8059         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
8060         (Output_data_plt_x86_64::get_plt_entry_size): New function.
8061
8062 2010-08-12  Cary Coutant  <ccoutant@google.com>
8063
8064         * archive.cc: Include incremental.h.
8065         (Archive::Archive): Initialize incremental_info_.
8066         (Archive::include_member): Record archive members in incremental info.
8067         (Add_archive_symbols::run): Record begin and end of an archive in
8068         incremental info.
8069         (Lib_group::include_member): Record objects in incremental info.
8070         * archive.h (Incremental_archive_entry): Forward declaration.
8071         (Archive::set_incremental_info): New member function.
8072         (Archive::incremental_info): New member function.
8073         (Archive::Unused_symbol_iterator): New class.
8074         (Archive::unused_symbols_begin): New member function.
8075         (Archive::unused_symbols_end): New member function.
8076         (Archive::incremental_info_): New data member.
8077         * incremental-dump.cc (find_input_containing_global): New function.
8078         (dump_incremental_inputs): Dump new incremental info sections.
8079         * incremental.cc: Include symtab.h.
8080         (Output_section_incremental_inputs): New class.
8081         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
8082         new incremental info sections.
8083         (Sized_incremental_binary::do_check_inputs): Likewise.
8084         (Incremental_inputs::report_archive): Remove.
8085         (Incremental_inputs::report_archive_begin): New function.
8086         (Incremental_inputs::report_archive_end): New function.
8087         (Incremental_inputs::report_object): New function.
8088         (Incremental_inputs::finalize_inputs): Remove.
8089         (Incremental_inputs::report_input_section): New function.
8090         (Incremental_inputs::report_script): Rewrite.
8091         (Incremental_inputs::finalize): Do nothing but finalize string table.
8092         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
8093         (Incremental_inputs::sized_create_inputs_section_data): Remove.
8094         (Incremental_inputs::create_data_sections): New function.
8095         (Incremental_inputs::relocs_entsize): New function.
8096         (Output_section_incremental_inputs::set_final_data_size): New function.
8097         (Output_section_incremental_inputs::do_write): New function.
8098         (Output_section_incremental_inputs::write_header): New function.
8099         (Output_section_incremental_inputs::write_input_files): New function.
8100         (Output_section_incremental_inputs::write_info_blocks): New function.
8101         (Output_section_incremental_inputs::write_symtab): New function.
8102         * incremental.h (Incremental_script_entry): Forward declaration.
8103         (Incremental_object_entry): Forward declaration.
8104         (Incremental_archive_entry): Forward declaration.
8105         (Incremental_inputs): Forward declaration.
8106         (Incremental_inputs_header_data): Remove.
8107         (Incremental_inputs_header): Remove.
8108         (Incremental_inputs_header_write): Remove.
8109         (Incremental_inputs_entry_data): Remove.
8110         (Incremental_inputs_entry): Remove.
8111         (Incremental_inputs_entry_write): Remove.
8112         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
8113         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
8114         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
8115         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
8116         Likewise.
8117         (Incremental_input_entry): New class.
8118         (Incremental_script_entry): New class.
8119         (Incremental_object_entry): New class.
8120         (Incremental_archive_entry): New class.
8121         (Incremental_inputs::Incremental_inputs): Initialize new data members.
8122         (Incremental_inputs::report_inputs): Remove.
8123         (Incremental_inputs::report_archive): Remove.
8124         (Incremental_inputs::report_archive_begin): New function.
8125         (Incremental_inputs::report_archive_end): New function.
8126         (Incremental_inputs::report_object): Change prototype.
8127         (Incremental_inputs::report_input_section): New function.
8128         (Incremental_inputs::report_script): Change prototype.
8129         (Incremental_inputs::get_reloc_count): New function.
8130         (Incremental_inputs::set_reloc_count): New function.
8131         (Incremental_inputs::create_data_sections): New function.
8132         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
8133         (Incremental_inputs::inputs_section): New function.
8134         (Incremental_inputs::symtab_section): New function.
8135         (Incremental_inputs::relocs_section): New function.
8136         (Incremental_inputs::get_stringpool): Add const.
8137         (Incremental_inputs::command_line): Add const.
8138         (Incremental_inputs::inputs): Remove.
8139         (Incremental_inputs::command_line_key): New function.
8140         (Incremental_inputs::input_file_count): New function.
8141         (Incremental_inputs::input_files): New function.
8142         (Incremental_inputs::relocs_entsize): New function.
8143         (Incremental_inputs::sized_create_inputs_section_data): Remove.
8144         (Incremental_inputs::finalize_inputs): Remove.
8145         (Incremental_inputs::Input_info): Remove.
8146         (Incremental_inputs::lock_): Remove.
8147         (Incremental_inputs::inputs_): Change type.
8148         (Incremental_inputs::inputs_map_): Remove.
8149         (Incremental_inputs::current_object_entry_): New data member.
8150         (Incremental_inputs::inputs_section_): New data member.
8151         (Incremental_inputs::symtab_section_): New data member.
8152         (Incremental_inputs::relocs_section_): New data member.
8153         (Incremental_inputs::reloc_count_): New data member.
8154         (Incremental_inputs_reader): New class.
8155         (Incremental_symtab_reader): New class.
8156         (Incremental_relocs_reader): New class.
8157         * layout.cc (Layout::finalize): Move finalization of incremental info
8158         and creation of incremental info sections to follow finalization of
8159         symbol table.  Set offsets for postprocessing sections.
8160         (Layout::create_incremental_info_sections): Call
8161         Incremental_inputs::create_data_sections.  Add incremental symtab
8162         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
8163         sections to layout after input sections.
8164         * layout.h (struct Timespec): Forward declaration.
8165         (Layout::incremental_inputs): Add const.
8166         (Layout::create_incremental_info_sections): Add parameter.
8167         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
8168         * object.cc: Include incremental.h.
8169         (Relobj::finalize_incremental_relocs): New function.
8170         (Sized_relobj::do_layout): Record input sections in incremental info.
8171         * object.h (Object::output_section): New function.
8172         (Object::output_section_offset): Moved from Relobj.
8173         (Object::get_incremental_reloc_base): New function.
8174         (Object::get_incremental_reloc_count): New function.
8175         (Object::do_output_section): New function.
8176         (Object::do_output_section_offset): Moved from Relobj.
8177         (Object::do_get_incremental_reloc_base): New function.
8178         (Object::do_get_incremental_reloc_count): New function.
8179         (Object::Object): Initialize new data members.
8180         (Relobj::output_section): Renamed do_output_section and moved to
8181         protected.
8182         (Relobj::output_section_offset): Moved to Object.
8183         (Relobj::do_get_incremental_reloc_base): New function.
8184         (Relobj::do_get_incremental_reloc_count): New function.
8185         (Relobj::allocate_incremental_reloc_counts): New function.
8186         (Relobj::count_incremental_reloc): New function.
8187         (Relobj::finalize_incremental_relocs): New function.
8188         (Relobj::next_incremental_reloc_index): New function.
8189         (Relobj::reloc_counts_): New data member.
8190         (Relobj::reloc_bases_): New data member.
8191         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
8192         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
8193         (Sized_relobj::incremental_relocs_scan): New function.
8194         (Sized_relobj::incremental_relocs_scan_reltype): New function.
8195         (Sized_relobj::incremental_relocs_write): New function.
8196         (Sized_relobj::incremental_relocs_write_reltype): New function.
8197         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
8198         incremental link.
8199         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
8200         archives and object files elsewhere.
8201         (Add_symbols::run): Report object files here.
8202         (Finish_group::run): Report end of archive at end of group.
8203         * reloc.cc: Include layout.h, incremental.h.
8204         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
8205         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
8206         (Sized_relobj::incremental_relocs_scan): New function.
8207         (Sized_relobj::incremental_relocs_scan_reltype): New function.
8208         (Sized_relobj::do_relocate_sections): Write incremental relocations.
8209         (Sized_relobj::incremental_relocs_write): New function.
8210         (Sized_relobj::incremental_relocs_write_reltype): New function.
8211         * script.cc (read_input_script): Rewrite test for incremental link.
8212         Change call to Incremental_inputs::report_script.
8213         * symtab.h (Symbol_table::first_global_index): New function.
8214         (Symbol_table::output_count): New function.
8215
8216 2010-08-12  Doug Kwan  <dougkwan@google.com>
8217
8218         * arm.cc (Target_arm::merge_object_attributes): Check command line
8219         options --no-wchar-size-warning and --no-enum-size-warning.
8220         * options.h (General_options): Add ld-compatible options
8221         --no-enum-size-warning and --no-wchar-size-warning.
8222
8223 2010-08-04  Ian Lance Taylor  <iant@google.com>
8224
8225         * x86_64.cc (Target_x86_64::Scan::local): Use
8226         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
8227         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
8228         (Target_x86_64::Scan::global): Likewise.
8229         (Target_x86_64::Relocate::relocate): Likewise.
8230         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
8231         Likewise.
8232
8233 2010-08-03  Cary Coutant  <ccoutant@google.com>
8234
8235         * merge.cc (Output_merge_string::do_add_input_section): Count strings
8236         to reserve space in merged_strings vector. Keep total input size
8237         for stats.
8238         (Output_merge_string::do_print_merge_stats): Print total input size.
8239         * merge.h (Output_merge_string): Add input_size_ field.
8240         * stringpool.cc (Stringpool_template::string_length): Move
8241         implementations out of Stringpool_template class and place in
8242         stringpool.h.
8243         * stringpool.h (string_length): Move out of Stringpool_template.
8244
8245 2010-08-03  Ian Lance Taylor  <iant@google.com>
8246
8247         PR 11712
8248         * layout.cc (relaxation_loop_body): If address of load segment is
8249         set, adjust address to include headers if possible.
8250
8251 2010-08-03  Ian Lance Taylor  <iant@google.com>
8252
8253         * version.cc (version_string): Bump to 1.10.
8254
8255 2010-08-03  Ian Lance Taylor  <iant@google.com>
8256
8257         PR 11805
8258         * layout.h (enum Output_section_order): Define.
8259         (class Layout): Update declarations.
8260         * layout.cc (Layout::get_output_section): Add order parameter.
8261         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
8262         is_first_non_relro parameters.  Change all callers.
8263         (Layout::choose_output_section): Likewise.
8264         (Layout::add_output_section_data): Likewise.
8265         (Layout::make_output_section): Likewise.  Set order.
8266         (Layout::default_section_order): New function.
8267         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
8268         * output.cc (Output_section::Output_section): Initialize order_.
8269         Don't initialize deleted fields.
8270         (Output_segment::Output_segment): Don't initialize deleted
8271         fields.
8272         (Output_segment::add_output_section_to_load): New function
8273         replacing add_output_section.  Change all callers to call this or
8274         add_output_section_to_nonload.
8275         (Output_segment::add_output_section_to_nonload): New function.
8276         (Output_segment::remove_output_section): Rewrite.
8277         (Output_segment::add_initial_output_data): Likewise.
8278         (Output_segment::has_any_data_sections): Likewise.
8279         (Output_segment::is_first_section_relro): Likewise.
8280         (Output_segment::maximum_alignment): Likewise.
8281         (Output_segment::has_dynamic_reloc): New function replacing
8282         dynamic_reloc_count.  Change all callers.
8283         (Output_segment::has_dynamic_reloc_list): New function replacing
8284         dynamic_reloc_count_list.  Change all callers.
8285         (Output_segment::set_section_addresses): Rewrite.
8286         (Output_segment::set_offset): Rewrite.
8287         (Output_segment::find_first_and_last_list): Remove.
8288         (Output_segment::set_tls_offsets): Rewrite.
8289         (Output_segment::first_section_load_address): Likewise.
8290         (Output_segment::output_section_count): Likewise.
8291         (Output_segment::section_with_lowest_load_address): Likewise.
8292         (Output_segment::write_section_headers): Likewise.
8293         (Output_segment::print_sections_to_map): Likewise.
8294         * output.h (class Output_data): Remove dynamic_reloc_count_
8295         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
8296         (Output_data::add_dynamic_reloc): Rewrite.
8297         (Output_data::has_dynamic_reloc): New function.
8298         (Output_data::dynamic_reloc_count): Remove.
8299         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
8300         is_last_relro_, is_first_non_relro_, is_interp_,
8301         is_dynamic_linker_section_ fields.  Add order and set_order
8302         functions.  Remove is_relro_local, set_is_relro_local,
8303         is_last_relro, set_is_last_relro, is_first_non_relro,
8304         set_is_first_non_relro functions, is_interp, set_is_interp,
8305         is_dynamic_linker_section, and set_is_dynamic_linker_section
8306         functions.
8307         (class Output_segment): Change Output_data_list from std::list to
8308         std:;vector.  Add output_lists_ field.  Remove output_data_ and
8309         output_bss_ fields.  Update declarations.
8310
8311 2010-08-02  Ian Lance Taylor  <iant@google.com>
8312
8313         * arm.cc (Target_arm::gc_process_relocs): Use typename.
8314         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
8315         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
8316
8317 2010-08-02  Ian Lance Taylor  <iant@google.com>
8318
8319         PR 11855
8320         * script.cc (Script_options::Script_options): Initialize
8321         symbol_definitions_ and symbol_references_.
8322         (Script_options::add_symbol_assignment): Update
8323         symbol_definitions_ and symbol_references_.
8324         (Script_options::add_symbol_reference): New function.
8325         (script_symbol): New function.
8326         * script.h (class Script_options): Add symbol_definitions_ and
8327         symbol_references_ fields.
8328         (Script_options::referenced_const_iterator): New type.
8329         (Script_options::referenced_begin): New function.
8330         (Script_options::referenced_end): New function.
8331         (Script_options::is_referenced): New function.
8332         (Script_options::any_unreferenced): New function.
8333         * script-c.h (script_symbol): Declare.
8334         * yyscript.y (exp): Call script_symbol.
8335         * symtab.cc: Include "script.h".
8336         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
8337         Change all callers.  Check symbols referenced by scripts.
8338         (Symbol_table::add_undefined_symbols_from_command_line): Add
8339         layout parameter.  Change all callers.
8340         (Symbol_table::do_add_undefined_symbols_from_command_line):
8341         Likewise.  Break out loop body.  Check symbols referenced by
8342         scripts.
8343         (Symbol_table::add_undefined_symbol_from_command_line): New
8344         function broken out of
8345         do_add_undefined_symbols_from_command_line.
8346         * symtab.h (class Symbol_table): Update declarations.
8347         * archive.cc: Include "layout.h".
8348         (Archive::should_include_member): Add layout parameter.  Change
8349         all callers.  Check for symbol mentioned in expression.
8350         * archive.h (class Archive): Update declaration.
8351         * object.cc (Sized_relobj::do_should_include_member): Add layout
8352         parameter.
8353         * object.h (Object::should_include_member): Add layout parameter.
8354         Change all callers.
8355         (Object::do_should_include_member): Add layout parameter.
8356         (class Sized_relobj): Update declaration.
8357         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
8358         parameter.
8359         * dynobj.h (class Sized_dynobj): Update declaration.
8360         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
8361         layout parameter.
8362         * plugin.h (class Sized_pluginobj): Update declaration.
8363
8364 2010-08-02  Ian Lance Taylor  <iant@google.com>
8365
8366         PR 11866
8367         * output.cc (Output_segment::set_offset): Search for the first and
8368         last sections rather than assuming that the list is in order.
8369         (Output_segment::find_first_and_last_list): New function.
8370         * output.h (class Output_segment): Update declarations.
8371         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
8372         (relro_strip_test_SOURCES): New variable.
8373         (relro_strip_test_DEPENDENCIES): New variable.
8374         (relro_strip_test_LDFLAGS): New variable.
8375         (relro_strip_test_LDADD): New variable.
8376         (relro_strip_test.so): New target.
8377
8378 2010-08-02  Ian Lance Taylor  <iant@google.com>
8379
8380         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
8381         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
8382         (Target_i386::got_tlsdesc_section): New function.
8383         (Target_i386::got_section): Create space for GOT entries for
8384         TLSDESC relocations.
8385         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
8386         R_386_TLS_GOTDESC.
8387         (Target_i386::Scan::global): Likewise.
8388         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
8389         using TLSDESC GOT.
8390         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
8391         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
8392         (Target_x86_64::got_tlsdesc_section): New function.
8393         (Target_x86_64::got_section): Create space for GOT entries for
8394         TLSDESC relocations.
8395         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
8396         R_386_TLS_GOTDESC.
8397         (Target_x86_64::Scan::global): Likewise.
8398         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
8399         using TLSDESC GOT.
8400
8401 2010-08-02  Ian Lance Taylor  <iant@google.com>
8402
8403         * testsuite/final_layout.sh: Use dc to convert from hex to
8404         decimal.
8405
8406 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
8407
8408         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
8409         paramter to the call to gold::gc_process_relocs.
8410         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
8411         paramter to the call to gold::gc_process_relocs.
8412         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
8413         parameter to the call to gold::gc_process_relocs.
8414         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
8415         template parameter to the call to gold::gc_process_relocs.
8416         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
8417         paramter to the call to gold::gc_process_relocs.
8418         * gc.h (get_embedded_addend_size): New function.
8419         (gc_process_relocs): Save the size of the reloc for use by ICF.
8420         * icf.cc (get_section_contents): Get the addend from the text section
8421         for SHT_REL relocation sections.
8422         * icf.h (Icf::Reloc_addend_size_info): New typedef.
8423         (Icf::Reloc_info): Add new member reloc_addend_size_info.
8424         * int_encoding.h (read_from_pointer): New overloaded function.
8425         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
8426         * testsuite/icf_sht_rel_addend_test.sh: New file.
8427         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
8428         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
8429
8430 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8431
8432         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
8433         * Makefile.in: Regenerate.
8434         * testsuite/Makefile.in: Regenerate.
8435
8436 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
8437
8438         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
8439         * gold/testsuite/debug_msg.cc: Likewise.
8440         * gold/testsuite/odr_violation1.cc
8441         * gold/testsuite/odr_violation2.cc
8442
8443 2010-07-21  Cary Coutant  <ccoutant@google.com>
8444
8445         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
8446         string, and length fields.
8447         (Output_merge_string::Merged_strings_list): New type.
8448         (Output_merge_string::Merged_strings_lists): New typedef.
8449         (Output_merge_string): Replace merged_strings_ with
8450         merged_strings_lists_.
8451         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
8452         Merged_strings_list per input object and section.  Don't store pointer
8453         to the string.  Don't store length with each merged string entry.
8454         (Output_merge_string::finalize_merged_data): Loop over list of merged
8455         strings lists.  Recompute length of each merged string.
8456
8457 2010-07-15  Cary Coutant  <ccoutant@google.com>
8458
8459         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
8460         here.
8461
8462 2010-07-14  Ian Lance Taylor  <iant@google.com>
8463
8464         * descriptors.cc (Descriptors::open): Report correct name in error
8465         message.
8466
8467 2010-07-13  Doug Kwan  <dougkwan@google.com>
8468
8469         * arm.cc (Arm_input_section::Arm_input_section): For a
8470         SHT_ARM_EXIDX section, always keeps the input sections.
8471         (Arm_input_section::set_exidx_section_link): New method.
8472         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
8473         has_errors_ to false.
8474         (Arm_exidx_input_section::has_errors,
8475         Arm_exidx_input_section::set_has_errors): New methods.
8476         (Arm_exidx_input_section::has_errors_): New data member.
8477         (Arm_relobj::get_exidx_shndx_list): New method.
8478         (Arm_output_section::append_text_sections_to_list): Do not skip
8479         section without SHF_EXECINSTR.
8480         (Arm_output_section::fix_exidx_coverage): Skip input sections with
8481         errors.
8482         (Arm_relobj::make_exidx_input_section): Add new parameter for text
8483         section header.  Make error messages more verbose.  Check for
8484         a non-executable section linked to an EXIDX section.
8485         (Arm_relobj::do_read_symbols): Remove error checking, which has been
8486         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
8487         check that there is no deferred EXIDX section if we exit early.
8488         Instead of not making an EXIDX section in case of an error, make one
8489         and set the has_errors flag of it.
8490         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
8491         in a relocatable link.
8492         (Target_arm::do_relax): Look for the EXIDX output section instead of
8493         assuming that it is called .ARM.exidx.
8494         (Target_arm::fix_exidx_coverage): Add a new parameter for input
8495         section list.  Do not check for SHF_EXECINSTR section flags but
8496         skip any input section with errors.
8497         * output.cc (Output_section::Output_section): Initialize
8498         always_keeps_input_sections_ to false.
8499         (Output_section::add_input_section): Check for
8500         always_keeps_input_sections_.
8501         *  output.h (Output_section::always_keeps_input_sections,
8502         Output_section::set_always_keeps_input_sections): New methods.
8503         (Output_section::always_keeps_input_sections): New data member.
8504
8505 2010-07-13  Rafael Espindola  <espindola@google.com>
8506
8507         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
8508         * fileread.h (Input_file): Add try_extra_search_path and find_file.
8509
8510 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
8511             Ian Lance Taylor  <iant@google.com>
8512
8513         * output.h (Output_section_lookup_maps::add_merge_section):
8514         Correct check of whether value was inserted.
8515         (Output_section_lookup_maps::add_merge_input_section): Likewise.
8516         (Output_section_lookup_maps::add_relaxed_input_section):
8517         Likewise.
8518         * arm.cc (Target_arm::got_section): Remove used local os.
8519         * i386.cc (Target_i386::got_section): Likewise.
8520         * x86_64.cc (Target_x86_64::got_section): Likewise.
8521         * sparc.cc (Target_sparc::got_section): Likewise.
8522         (Target_sparc::relocate): Remove unused local have_got_offset.
8523         * powerpc.cc (Target_powerpc::relocate): Likewise.
8524
8525 2010-07-13  Ian Lance Taylor  <iant@google.com>
8526
8527         * compressed_output.cc (zlib_decompress): Fix signature in
8528         !HAVE_ZLIB_H case.
8529
8530         * archive.cc (Archive::include_member): Unlock an external member
8531         of a thin archive.  Don't bother to delete an object we know is
8532         NULL.
8533
8534 2010-07-12  Cary Coutant  <ccoutant@google.com>
8535
8536         * compressed_output.cc (zlib_decompress): New function.
8537         (get_uncompressed_size): New function.
8538         (decompress_input_section): New function.
8539         * compressed_output.h (get_uncompressed_size): New function.
8540         (decompress_input_section): New function.
8541         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
8542         Handle compressed debug sections.
8543         * layout.cc (is_compressed_debug_section): New function.
8544         (Layout::output_section_name): Map compressed section names to
8545         canonical names.
8546         * layout.h (is_compressed_debug_section): New function.
8547         (is_debug_info_section): Recognize compressed debug sections.
8548         * merge.cc: Include compressed_output.h.
8549         (Output_merge_data::do_add_input_section): Handle compressed
8550         debug sections.
8551         (Output_merge_string::do_add_input_section): Handle compressed
8552         debug sections.
8553         * object.cc: Include compressed_output.h.
8554         (Sized_relobj::Sized_relobj): Initialize new data members.
8555         (build_compressed_section_map): New function.
8556         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
8557         * object.h (Object::section_is_compressed): New method.
8558         (Object::do_section_is_compressed): New method.
8559         (Sized_relobj::Compressed_section_map): New type.
8560         (Sized_relobj::do_section_is_compressed): New method.
8561         (Sized_relobj::compressed_sections_): New data member.
8562         * output.cc (Output_section::add_input_section): Handle compressed
8563         debug sections.
8564         * reloc.cc: Include compressed_output.h.
8565         (Sized_relobj::write_sections): Handle compressed debug sections.
8566
8567 2010-07-08  Cary Coutant  <ccoutant@google.com>
8568
8569         * resolve.cc (Symbol_table::resolve): Remember whether undef was
8570         weak when resolving to a dynamic def.
8571         (Symbol_table::should_override): Add adjust_dyndef flag; set it
8572         for weak undef/dynamic def cases. Adjust callers.
8573         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
8574         undef_binding_weak_.
8575         (Symbol_table::sized_write_globals): Adjust symbol binding.
8576         (Symbol_table::sized_write_symbol): Add binding parameter.
8577         * symtab.h (Symbol::set_undef_binding): New method.
8578         (Symbol::is_undef_binding_weak): New method.
8579         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
8580         (Symbol_table::should_override): Add new parameter.
8581         (Symbol_table::sized_write_symbol): Add new parameter.
8582
8583         * testsuite/weak_undef_file1.cc: Add new test case.
8584         * testsuite/weak_undef_file2.cc: Fix header comment.
8585         * testsuite/weak_undef_test.cc: Add new test case.
8586
8587 2010-06-29  Doug Kwan  <dougkwan@google.com>
8588
8589         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
8590         Initialize USE_SYMBOL_.
8591         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
8592         definition.
8593         (Arm_reloc_property::uses_symbol_): New data member declaration.
8594         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
8595         uses symbol value and symbol is undefined but not weakly undefined.
8596
8597 2010-06-28  Rafael Espindola  <espindola@google.com>
8598
8599         * plugin.cc (Plugin::load): Use dlerror.
8600
8601 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
8602
8603         * symtab.cc (detect_odr_violations): When reporting an ODR
8604         violation, report an object where the symbol is defined.
8605
8606 2010-06-25  Doug Kwan  <dougkwan@google.com>
8607
8608         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
8609         (Target_arm::section_may_have_icf_unsafe_pointers): New method
8610         definition.
8611         (Target_arm::Scan::local_reloc_may_be_function_pointer,
8612         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
8613         target hook to detect function points.
8614         (Target_arm::Scan::possible_function_pointer_reloc): New method.
8615         * icf.h (Icf::check_section_for_function_pointers): Change type of
8616         parameter SECTION_NAME to const reference to std::string.  Use
8617         target hook to determine if section may have unsafe pointers.
8618         * target.h (Target::section_may_have_icf_unsafe_pointers): New
8619         method definition.
8620
8621 2010-06-21  Rafael Espindola  <espindola@google.com>
8622
8623         * fileread.cc (Input_file::find_fie): New
8624         (Input_file::open): Use Input_file::find_fie.
8625         * fileread.h (Input_file::find_fie): New
8626         * plugin.cc (set_extra_library_path): New.
8627         (Plugin::load): Add set_extra_library_path to the transfer vector.
8628         (Plugin_manager::set_extra_library_path): New.
8629         (Plugin_manager::add_input_file): Use the extra search path if set.
8630         (set_extra_library_path(): New.
8631         * plugin.h (Plugin_manager): Add set_extra_library_path and
8632         extra_search_path_.
8633
8634 2010-06-19  Cary Coutant  <ccoutant@google.com>
8635
8636         * layout.cc (gdb_sections): Add .debug_types.
8637         (lines_only_debug_sections): Likewise.
8638
8639 2010-06-18  Rafael Espindola  <espindola@google.com>
8640
8641         * plugin.cc (add_input_file,add_input_library)
8642         (Plugin_manager::add_input_file): Make filename arguments const.
8643         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
8644         const.
8645
8646 2010-06-16  Doug Kwan  <dougkwan@google.com>
8647
8648         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
8649         .ARM.attributes section if we have not merged any input
8650         attributes sections.
8651
8652 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8653
8654         * arm.cc: Allow combining objects with no EABI version
8655         information.
8656
8657 2010-06-15  Rafael Espindola  <espindola@google.com>
8658
8659         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
8660
8661 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8662
8663         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
8664         (struct iovec): Correct !HAVE_READV definition.
8665
8666 2010-06-10  Cary Coutant  <ccoutant@google.com>
8667
8668         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
8669         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
8670         reloc sections.
8671         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
8672
8673         PR 11683
8674         * symtab.h (Symbol::is_placeholder): New member function.
8675         * target-reloc.h (relocate_section): Check for placeholder symbols.
8676
8677         * testsuite/Makefile.am (plugin_test_8): New test.
8678         (plugin_test_9): New test.
8679         * testsuite/Makefile.in: Regenerate.
8680
8681 2010-06-09  Nick Clifton  <nickc@redhat.com>
8682
8683         * yyscript.y (input_list_element): Allow strings prefixed with
8684         the '-' character.  Treat these as libraries.
8685         * script.cc (script_add_library): New function.  Adds a library
8686         specified by "-l<name>" found in an input script.
8687         * script-c.h: Add prototype for script_add_library.
8688
8689 2010-06-07  Doug Kwan  <dougkwan@google.com>
8690
8691         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
8692         Restrict stub-group size to be within long conditional branch
8693         range when working around cortex-A8 erratum.
8694
8695 2010-06-07  Damien Diederen  <dd@crosstwine.com>
8696
8697         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
8698         #ifdef typo.
8699
8700 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
8701
8702         PR gold/11658
8703         * output.cc
8704         (Output_section::Input_section_sort_entry::compare_section_ordering):
8705         Change to return non-zero correctly.
8706         (Output_section::Input_section_sort_section_order_index_compare
8707         ::operator()): Change to fix ambiguity in comparisons.
8708
8709 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
8710
8711         * gold.h (is_wildcard_string): New function.
8712         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
8713         (Layout::layout_eh_frame): Ditto.
8714         (Layout::find_section_order_index): New method.
8715         (Layout::read_layout_from_file): New method.
8716         * layout.h (Layout::find_section_order_index): New method.
8717         (Layout::read_layout_from_file): New method.
8718         (Layout::input_section_position_): New private member.
8719         (Layout::input_section_glob_): New private member.
8720         * main.cc (main): Call read_layout_from_file here.
8721         * options.h (--section-ordering-file): New option.
8722         * output.cc (Output_section::input_section_order_specified_): New
8723         member.
8724         (Output_section::Output_section): Initialize new member.
8725         (Output_section::add_input_section): Add new parameter.
8726         Keep input sections when --section-ordering-file is used.
8727         (Output_section::set_final_data_size): Sort input sections when
8728         section ordering file is specified.
8729         (Output_section::Input_section_sort_entry): Add new parameter.
8730         Check sorting type.
8731         (Output_section::Input_section_sort_entry::compare_section_ordering):
8732         New method.
8733         (Output_section::Input_section_sort_compare::operator()): Change to
8734         consider section_order_index.
8735         (Output_section::Input_section_sort_init_fini_compare::operator()):
8736         Change to consider section_order_index.
8737         (Output_section::Input_section_sort_section_order_index_compare
8738         ::operator()): New method.
8739         (Output_section::sort_attached_input_sections): Change to sort
8740         according to section order when specified.
8741         (Output_section::add_input_section<32, true>): Add new parameter.
8742         (Output_section::add_input_section<64, true>): Add new parameter.
8743         (Output_section::add_input_section<32, false>): Add new parameter.
8744         (Output_section::add_input_section<64, false>): Add new parameter.
8745         * output.h (Output_section::add_input_section): Add new parameter.
8746         (Output_section::input_section_order_specified): New
8747         method.
8748         (Output_section::set_input_section_order_specified): New method.
8749         (Input_section::Input_section): Initialize section_order_index_.
8750         (Input_section::section_order_index): New method.
8751         (Input_section::set_section_order_index): New method.
8752         (Input_section::section_order_index_): New member.
8753         (Input_section::Input_section_sort_section_order_index_compare): New
8754         struct.
8755         (Output_section::input_section_order_specified_): New member.
8756         * script-sections.cc (is_wildcard_string): Delete and move modified
8757         method to gold.h.
8758         (Output_section_element_input::Output_section_element_input): Modify
8759         call to is_wildcard_string.
8760         (Output_section_element_input::Input_section_pattern
8761         ::Input_section_pattern): Ditto.
8762         (Output_section_element_input::Output_section_element_input): Ditto.
8763         * testsuite/Makefile.am (final_layout): New test case.
8764         * testsuite/Makefile.in: Regenerate.
8765         * testsuite/final_layout.cc: New file.
8766         * testsuite/final_layout.sh: New file.
8767
8768 2010-06-01  Rafael Espindola  <espindola@google.com>
8769
8770         * plugin.cc (Plugin::load): Pass the output name to the plugin.
8771
8772 2010-06-01  Rafael Espindola  <espindola@google.com>
8773
8774         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
8775         visibility of symbols.
8776
8777 2010-05-27  Doug Kwan  <dougkwan@google.com>
8778
8779         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
8780         from start of output section instead of address for a local symbol
8781         in a merged or relaxed section when doing a relocatable link.
8782
8783 2010-05-26  Rafael Espindola  <espindola@google.com>
8784
8785         PR 11604
8786         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
8787         adding sections the garbage collector removed.
8788         * gold/testsuite/Makefile.am: Add test.
8789         * gold/testsuite/Makefile.in: Regenerate.
8790         * gold/testsuite/plugin_test_7.sh: New.
8791         * gold/testsuite/plugin_test_7_1.c: New.
8792         * gold/testsuite/plugin_test_7_2.c: New.
8793
8794 2010-05-26  Rafael Espindola  <espindola@google.com>
8795
8796         * script-sections.cc (Output_section_definition::set_section_addresses):
8797         Check for --section-start.
8798
8799 2010-05-26  Doug Kwan  <dougkwan@google.com>
8800
8801         * arm.cc (Arm_scan_relocatable_relocs): New class.
8802         (Target_arm::relocate_special_relocatable): New method.
8803         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
8804         (Arm_relocate_functions::thumb_branch_common): Same.
8805         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
8806         instead of Default_scan_relocatable_relocs.
8807         * target-reloc.h (relocate_for_relocatable): Let target handle
8808         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
8809         * target.h (Sized_target::relocate_special_relocatable): New method.
8810
8811 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8812
8813         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
8814
8815 2010-05-23  Doug Kwan  <dougkwan@google.com>
8816
8817         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
8818         instead of a cast.
8819         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
8820         with a direct branch, not a conditional branch, to a stub.
8821         * merge.cc (Output_merge_base::record_input_section): New method
8822         defintion.
8823         (Output_merge_data::do_add_input_section): Record input section if
8824         keeps-input-sections flag is set.
8825         (Output_merge_string::do_add_input_section): Ditto.
8826         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
8827         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
8828         INPUT_SECTIONS_.
8829         (Output_merge_base::keeps_input_sections,
8830         Output_merge_base::set_keeps_input_sections,
8831         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
8832         method definitions.
8833         (Output_merge_base::Input_sections): New type declaration.
8834         (Output_merge_base::input_sections_begin,
8835         Output_merge_base::input_sections_end,
8836         Output_merge_base::do_set_keeps_input_sections): New method definitions.
8837         (Output_merge_base::bool keeps_input_sections_,
8838         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
8839         Output_merge_base::input_sections_): New data members.
8840         (Output_merge_data::do_set_keeps_input_sections): New method
8841         defintion.
8842         (Output_merge_string::do_set_keeps_input_sections): Ditto.
8843         * output.cc (Output_section::Input_section::relobj): Move method
8844         defintion from class declaration to here and handle merge sections.
8845         (Output_section::Input_section::shndx): Ditto.
8846         (Output_section::Output_section): Remove initializations of removed
8847         data members and initialize new data member LOOKUP_MAPS_.
8848         (Output_section::add_input_section): Set keeps-input-sections flag
8849         for a newly created merge output section as appropriate.  Adjust code
8850         to use Output_section_lookup_maps class.
8851         (Output_section::add_relaxed_input_section): Adjst code for lookup
8852         maps code refactoring.
8853         (Output_section::add_merge_input_section): Add a new parameter
8854         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
8855         class.  If adding input section to a newly created merge output
8856         section fails, remove the new merge section.
8857         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
8858         Adjust code for use of the Output_section_lookup_maps class.
8859         (Output_section::find_merge_section): Ditto.
8860         (Output_section::build_lookup_maps): New method defintion.
8861         (Output_section::find_relaxed_input_section): Adjust code to use
8862         Output_section_lookup_maps class.
8863         (Output_section::get_input_sections): Export merge sections.  Adjust
8864         code to use Output_section_lookup_maps class.
8865         (Output_section:::add_script_input_section): Adjust code to use
8866         Output_section_lookup_maps class.  Update lookup maps for merge
8867         sections also.
8868         (Output_section::discard_states): Use Output_section_lookup_maps.
8869         (Output_section::restore_states): Same.
8870         * output.h (Merge_section_properties): Move class defintion out of
8871         Output_section.
8872         (Output_section_lookup_maps): New class.
8873         (Output_section::Input_section::is_merge_section): New method
8874         defintion.
8875         (Output_section::Input_section::relobj): Move defintion out of class
8876         defintion.  Declare method only.
8877         (Output_section::Input_section::shndx): Ditto.
8878         (Output_section::Input_section::output_merge_base): New method defintion.
8879         (Output_section::Input_section::u2_.pomb): New union field.
8880         (Output_section::Merge_section_by_properties_map,
8881         Output_section::Output_section_data_by_input_section_map,
8882         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
8883         Remove types.
8884         (Output_section::add_merge_input_section): Add new parameter
8885         KEEPS_INPUT_SECTIONS.
8886         (Output_section::build_lookup_maps): New method declaration.
8887         (Output_section::merge_section_map_,
8888         Output_section::merge_section_by_properties_map_,
8889         Output_section::relaxed_input_section_map_,
8890         Output_section::is_relaxed_input_section_map_valid_): Remove data
8891         members.
8892         (Output_section::lookup_maps_): New data member.
8893
8894 2010-05-21  Doug Kwan  <dougkwan@google.com>
8895
8896         PR gold/11619
8897         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
8898         avoid a compilation error.
8899
8900 2010-05-19  Rafael Espindola  <espindola@google.com>
8901
8902         * script-sections.cc (Output_section_definition::allocate_to_segment):
8903         Update the phdrs_list even when the output section is NULL.
8904         * testsuite/Makefile.am: Add test.
8905         * testsuite/Makefile.in: Regenerate.
8906         * testsuite/script_test_9.cc: New.
8907         * testsuite/script_test_9.sh: New.
8908         * testsuite/script_test_9.t: New.
8909
8910 2010-05-19  Doug Kwan  <dougkwan@google.com>
8911
8912         * arm.cc (Arm_input_section::original_size): New method.
8913         (Arm_input_section::do_addralign): Add a cast.
8914         (Arm_input_section::do_output_offset): Remove static cast.
8915         (Arm_input_section::original_addralign,
8916          Arm_input_section::original_size_): Change type to uint32_t.
8917         (Arm_input_section::init): Add safe casts for section alignment
8918         and size.
8919         (Arm_input_section::set_final_data_size): Do not set address and
8920         offset of stub table.
8921         (Arm_output_section::fix_exidx_coverage): Change use of of
8922         Output_section::Simple_input_section to that of
8923         Output_section::Input_section.
8924         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
8925         except for the first pass.
8926         * output.cc (Output_section::get_input_sections): Change type of
8927         input_sections to std::list<Input_section>.
8928         (Output_section::add_script_input_section): Rename from
8929         Output_section::add_simple_input_section.  Change type of SIS
8930         parameter from Simple_input_section to Input_section.
8931         * output.h (Output_section::Simple_input_section): Remove class.
8932         (Output_section::Input_section): Change class visibility to public.
8933         (Output_section::Input_section::addralign): Use stored alignments
8934         for special input sections if set.
8935         (Output_section::Input_section::set_addralign): New method.
8936         (Output_section::get_input_sections): Change parameter type from
8937         list of Simple_input_section to list of Input_section.
8938         (Output_section::add_script_input_section): Rename from
8939         Output_section::add_simple_input_section. Change first parameter's
8940         type from Simple_input_section to Input_section and remove the
8941         second and third parameters.
8942         * script-sections.cc (Input_section::Input_section_list): Change
8943         type to list of Output_section::Input_section/
8944         (Input_section_info::Input_section_info): Change parameter type of
8945         INPUT_SECTION to Output_section::Input_section.
8946         (Input_section_info::input_section): Change return type.
8947         (Input_section_info::input_section_): Change type to
8948         Output_section::Input_section.
8949         (Output_section_element_input::set_section_addresses): Adjust code
8950         to use Output_section::Input_section instead of
8951         Output_section::Simple_input_section.  Adjust code for renaming
8952         of Output_section::add_simple_input_section.
8953         (Orphan_output_section::set_section_addresses): Ditto.
8954
8955 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8956
8957         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
8958         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
8959
8960 2010-05-18  Rafael Espindola  <espindola@google.com>
8961
8962         * options.cc (General_options::finalize): Handle -nostdlib.
8963         * options.h (nostdlib): New option.
8964         * script.cc (script_add_search_dir): Handle -nostdlib.
8965
8966 2010-05-12  Doug Kwan  <dougkwan@google.com>
8967
8968         * arm.cc (Target_arm::do_finalize_sections): Create an empty
8969         attributes section only if there no attributes section after merging.
8970         (Target_arm::merge_object_attributes): Move value of
8971         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
8972         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
8973         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
8974         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
8975         and arm_attr_merge_7.stdout.
8976         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
8977         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
8978         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
8979         arm_attr_merge_7b.o): New rules.
8980         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
8981         arm_attr_merge_7
8982         * testsuite/Makefile.in: Regenerate.
8983         * testsuite/arm_attr_merge.sh: New file.
8984         * testsuite/arm_attr_merge_[67][ab].s: Same.
8985
8986 2010-05-05  Nick Clifton  <nickc@redhat.com>
8987
8988         * po/es.po: Updated Spanish translation.
8989
8990 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
8991
8992         * Makefile.am (install-exec-local): Properly install gold as
8993         default cross linker.
8994         * Makefile.in: Regenerated.
8995
8996 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
8997             Nick Clifton  <nickc@redhat.com>
8998
8999         * configure.ac (install_as_default): Define and set to false
9000         unless --enable-gold or --enable-gold=both/gold has been
9001         specified.
9002         * configure: Regenerate.
9003
9004         * Makefile.am (install-exec-local): Install the executable as
9005         'ld.gold'.  If install_as_default is true then also install it as
9006         'ld'.
9007         * Makefile.in: Regenerated.
9008
9009 2010-04-24  Ian Lance Taylor  <iant@google.com>
9010
9011         * layout.cc (Layout::layout_reloc): In relocatable link don't
9012         combine reloc sections for grouped sections.
9013
9014 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
9015
9016         * gc.h (gc_process_relocs): Pass information on relocs pointing to
9017         sections that are not ordinary to icf.
9018         * icf.cc (get_section_contents): Handle relocation pointing to section
9019         with no object or shndx information.
9020         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
9021         * testsuite/Makefile.in: Regenerate.
9022         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
9023         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
9024
9025 2010-04-22  Ian Lance Taylor  <iant@google.com>
9026
9027         * expression.cc (Expression::Expression_eval_info): Add
9028         result_alignment_pointer field.
9029         (Expression::eval_with_dot): Add result_alignment_pointer
9030         parameter.  Change all callers.
9031         (Expression::eval_maybe_dot): Likewise.
9032         (class Binary_expression): Add alignment_pointer parameter to
9033         left_value and right_value.  Change all callers.
9034         (BINARY_EXPRESSION): Set result alignment.
9035         (class Trinary_expression): Add alignment_pointer parameter to
9036         arg2_value and arg3_value.  Change all callers.
9037         (Trinary_cond::value): Set result alignment.
9038         (Max_expression::value, Min_expression::value): Likewise.
9039         (Align_expression::value): Likewise.
9040         * script-sections.cc (class Sections_element): Add dot_alignment
9041         parameter to set_section_addresses virtual function.  Update
9042         instantiations.
9043         (class Output_section_element): Likewise.
9044         (Script_sections::create_segments): Add dot_alignment parameter.
9045         Change all callers.
9046         (Script_sections::create_segments_from_phdrs_clause): Likewise.
9047         (Script_sections::set_phdrs_clause_addresses): Likewise.
9048         * script-sections.h: Update declarations.
9049         * script.h: Update declarations.
9050         * output.h (Output_segment::set_minimum_p_align): Don't decrease
9051         min_p_align.
9052         * testsuite/script_test_3.t: Set large alignment.
9053         * testsuite/script_test_3.sh: Make sure that at least one LOAD
9054         segment has expected alignment.
9055
9056 2010-04-22  Nick Clifton  <nickc@redhat.com>
9057
9058         * po/gold.pot: Updated by the Translation project.
9059         * po/vi.po: Updated Vietnamese translation.
9060
9061 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
9062
9063         * testsuite/Makefile.am (check_PROGRAMS): Add
9064         icf_virtual_function_folding_test.
9065         * testsuite/Makefile.in: Regenerated.
9066
9067 2010-04-15  Andrew Haley  <aph@redhat.com>
9068
9069         * options.h (merge_exidx_entries): New option.
9070         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
9071         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
9072         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
9073         (Target_arm::merge_exidx_entries): New function.
9074         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
9075         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
9076         to Arm_exidx_fixup constructor.
9077         Add new arg, merge_exidx_entries.
9078         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
9079         Arm_output_section::fix_exidx_coverage.
9080
9081 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
9082
9083         * icf.cc (get_section_contents): Check for preemptible functions.
9084         Ignore addend when appropriate.
9085         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
9086         section folded.
9087         (add_from_relobj): Check for section folded.
9088         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
9089         * symtab.h (should_add_dynsym_entry): Add new parameter.
9090         * target-reloc.h (scan_relocs): Check for section folded.
9091         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
9092         Check reloc types for function pointers in shared objects.
9093         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
9094         case.
9095         (icf_preemptible_functions_test): New test case.
9096         (icf_string_merge_test): New test case.
9097         * testsuite.Makefile.in: Regenerate.
9098         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
9099         bar_glob.  Refactor code.
9100         * testsuite/icf_preemptible_functions_test.cc: New file.
9101         * testsuite/icf_preemptible_functions_test.sh: New file.
9102         * testsuite/icf_string_merge_test.cc: New file.
9103         * testsuite/icf_string_merge_test.sh: New file.
9104         * testsuite/icf_virtual_function_folding_test.cc: New file.
9105         * testsuite/icf_virtual_function_folding_test.sh: New file.
9106
9107 2010-04-14  Doug Kwan  <dougkwan@google.com>
9108
9109         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
9110         for local symbol recounting if we remove a section due to ICF.
9111         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
9112         there are no regular objects in input.
9113
9114 2010-04-13  Doug Kwan  <dougkwan@google.com>
9115
9116         * arm.cc (Arm_input_section::set_final_data_size): Compute
9117         accurate final data size instead of using current data size.
9118
9119 2010-04-09  Doug Kwan  <dougkwan@google.com>
9120
9121         * layout.cc (Layout::choose_output_section): Handle script section
9122         types.
9123         (Layout::make_output_section_for_script): Add section type parameter.
9124         Handle script section types.
9125         * layout.h (Layout::make_output_section_for_script): Add section
9126         type parameter.
9127         * output.cc (Output_section::Output_section): Initialize data member
9128         is_noload_.
9129         (Output_section::do_reset_address_and_file_offset): Do not set address
9130         to 0 if section is a NOLOAD section.
9131         * output.h (Output_section::is_noload): New method.
9132         (Output_section::set_is_noload): Ditto.
9133         (Output_section::is_noload_): New data member.
9134         * script-c.h (Script_section_type): New enum type.
9135         (struct Parser_output_section_header): Add new file section_type.
9136         * script-sections.cc (Sections_element::output_section_name): Add
9137         parameter for returning script section type.
9138         (Output_section_definition::output_section_name): Ditto.
9139         (Output_section_definition::section_type)P; New method.
9140         (Output_section_definiton::script_section_type_name): Ditto.
9141         (Output_section_definition::script_section_type_): New data member.
9142         (Output_section_definition::Output_section_definition): Initialize
9143         data member Output_section_definition::script_section_type_.
9144         (Output_section_definition::create_sections): Pass script section type
9145         to Layout::make_output_section_for_script.
9146         (Output_section_definition::output_section_name): Return script
9147         section type to caller.
9148         (Output_section_definition::set_section_address): Do not advance
9149         dot value and load address if section type is NOLOAD.  Set address
9150         of NOLOAD sections regardless of section flags.
9151         (Output_section_definition::print): Print section type if it is
9152         not SCRIPT_SECTION_TYPE_NONE.
9153         (Output_section_definition::section_type): New method.
9154         (Output_section_definition::script_section_type_name): Ditto.
9155         (Script_sections::output_section_name): Add new parameter
9156         PSECTION_TYPE for returning script section type.  Pass it to
9157         section elements.  Handle discard sections.
9158         (Sort_output_sections::operator()): Handle NOLOAD sections.
9159         * script-sections.h (Script_sections::Section_type): New enum type.
9160         (Script_sections::output_section_name): Add a new parameter for
9161         returning script section type.
9162         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
9163         INFO and NOLOAD.
9164         * yyscript.y (union): Add new field SECTION_TYPE.
9165         (COPY, DSECT, INFO, NOLOAD): New tokens.
9166         (opt_address_and_section_type): Change type to output_section_header.
9167         (section_type): New non-terminal
9168         (section_header): Handle section type.
9169         (opt_address_and_section_type): Return section type value.
9170
9171 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
9172
9173         * testsuite/plugin_common_test_1.c (foo): Add prototype.
9174         * testsuite/plugin_common_test_2.c (foo): Likewise.
9175
9176 2010-04-08  Doug Kwan  <dougkwan@google.com>
9177
9178         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
9179         Output_merge_data.
9180         * output.cc (Output_section::add_merge_input_section): Simplify
9181         code and return status of Output_merge_base::add_input_section.
9182         Update merge section map only if Output_merge_base::add_input_section
9183         returns true.
9184
9185 2010-04-07  Doug Kwan  <dougkwan@google.com>
9186
9187         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
9188         if section is marked as containing instructions but has no mapping
9189         symbols.
9190         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
9191         correct section index.
9192         (Arm_relobj::find_linked_text_section): Ditto.
9193
9194 2010-04-07  Cary Coutant  <ccoutant@google.com>
9195
9196         * archive.cc (include_member): Destroy Read_symbols_data object before
9197         releasing file.
9198         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
9199         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
9200         (Read_symbols_data::~Read_symbols_data) New destructor.
9201         (Section_relocs::Section_relocs) New constructor.
9202         (Section_relocs::~Section_relocs) New destructor.
9203         (Read_relocs_data::Read_relocs_data) New constructor.
9204         (Read_relocs_data::~Read_relocs_data) New destructor.
9205         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
9206         pointers to NULL after deleting.
9207
9208 2010-04-07  Doug Kwan  <dougkwan@google.com>
9209
9210         * arm.cc: Replace "endianity" with "endianness" in comments.
9211         (Arm_exidx_cantunwind): Ditto.
9212         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
9213         (Arm_relobj::merge_flags_and_attributes): New method.
9214         (Arm_relobj::merge_flags_and_attributes_): New data member.
9215         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
9216         (Arm_relobj::scan_sections_for_stubs): Ditto.
9217         (Arm_relobj::do_read_symbols): Check to see if we really want to
9218         merge processor-specific flags and attributes.  Exit early if
9219         an object is empty except for section names and the undefined symbol.
9220         (Target_arm::do_finalize_sections): Move check for ELF format to
9221         Arm_relobj::do_read_symbols.  Merge processor specific flags and
9222         attributes from a regular object only when we have determined that
9223         it is aapropriate.  Do not create an .ARM.attributes section in
9224         output if there is no regular input object.
9225         (Target_arm::merge_processor_specific_flags): Check
9226         --warn-mismatch before printing any error.
9227         (Target_arm::merge_object_attributes): Ditto.
9228         * gold.cc (queue_middle_tasks): Handle the case in which there is
9229         no regular object in input.
9230         * options.cc (General_options::parse_EB): New method.
9231         (General_options::parse_EL): Same.
9232         (General_options::General_options): Initialize endianness_.
9233         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
9234         New options.
9235         (General_options::Endianness): New enum.
9236         (General_options::endianness): New method.
9237         (General_options::endianness_): New data member.
9238         * parameters.cc (Parameters::set_options): Check target endianness.
9239         (Parameters::set_target_once): Ditto.
9240         (Parameters::check_target_endianness): New method.
9241         (parameters_force_valid_target): If either -EL or -EB is specified,
9242         use it to define endianness of default target.
9243         * parameters.h (Parameters::check_target_endianness): New method
9244         declaration.
9245         * target.h (class Target): Change "endianity" to "endianness"
9246         in comments.
9247
9248 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9249
9250         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
9251         * configure: Regenerate.
9252         * Makefile.in: Regenerate.
9253         * testsuite/Makefile.in: Regenerate.
9254
9255 2010-04-06  Cary Coutant  <ccoutant@google.com>
9256
9257         gcc PR lto/42757
9258         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
9259         prevailing definitions of common symbols.
9260         * testsuite/plugin_test_6.sh: New test case.
9261         * testsuite/plugin_common_test_1.c: New test case.
9262         * testsuite/plugin_common_test_2.c: New test case.
9263         * testsuite/Makefile.am (plugin_test_6): New test case.
9264         * testsuite/Makefile.in: Regenerate.
9265
9266 2010-04-06  Nick Clifton  <nickc@redhat.com>
9267
9268         * po/vi.po: New Vietnamese translation.
9269
9270 2010-03-30  Doug Kwan  <dougkwan@google.com>
9271
9272         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
9273
9274 2010-03-25  Doug Kwan  <dougkwan@google.com>
9275
9276         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
9277         to avoid a conversion warning on a 32-bit host.
9278
9279 2010-03-24  Ian Lance Taylor  <iant@google.com>
9280
9281         * testsuite/script_test_3.t: Add a TLS segment.
9282         * testsuite/Makefile.am (check_PROGRAMS): Add
9283         tls_phdrs_script_test.
9284         (tls_phdrs_script_test_SOURCES): Define.
9285         (tls_phdrs_script_test_DEPENDENCIES): Define.
9286         (tls_phdrs_script_test_LDFLAGS): Define.
9287         (tls_phdrs_script_test_LDADD): Define.
9288         * testsuite/Makefile.in: Rebuild.
9289
9290 2010-03-23  Cary Coutant  <ccoutant@google.com>
9291
9292         * fileread.cc (find_or_make_view): Fix comment.
9293
9294 2010-03-23  Ian Lance Taylor  <iant@google.com>
9295
9296         * script-sections.cc (class Orphan_section_placement): Define
9297         PLACE_TLS and PLACE_TLS_BSS.
9298         (Orphan_section_placement::Orphan_section_placement): Initialize
9299         new places.
9300         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
9301         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
9302         (tls_script_test_SOURCES): Define.
9303         (tls_script_test_DEPENDENCIES): Define.
9304         (tls_script_test_LDFLAGS): Define.
9305         (tls_script_test_LDADD): Define.
9306         * testsuite/Makefile.in: Rebuild.
9307
9308 2010-03-22  Doug Kwan  <dougkwan@google.com>
9309
9310         * arm.cc (Arm_relocate_functions::abs8,
9311         Arm_relocate_functions::abs16): Use correct check for overflow
9312         specified in the ARM ELF specs.
9313         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
9314         target of a BLX instruction specially.
9315         (Reloc_stub::stub_type_for_reloc): Ditto.
9316         (Relocate::relocate): Use symbolic names instead of numeric relocation
9317         codes to report error.
9318         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
9319         workaround.
9320         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
9321         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
9322         thumb2_blx_out_of_range.stdout
9323         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
9324         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
9325         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
9326         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
9327         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
9328         thumb2_blx_in_range, thumb2_blx_in_range.o,
9329         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
9330         thumb2_blx_out_of_range.o): New rules.
9331         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
9332         thumb2_blx_in_range and thumb2_blx_out_of_range.
9333         * testsuite/Makefile.in: Regenerate.
9334         * arm_branch_in_range.sh: Add tests for THUMB BLX.
9335         * testsuite/thumb_blx_in_range.s: New file.
9336         * testsuite/thumb_blx_out_of_range.s: New file.
9337
9338 2010-03-22  Rafael Espindola  <espindola@google.com>
9339
9340         * archive.cc (Should_include): Move to archive.h.
9341         (should_include_member): Make it a member of Archive.
9342         (Lib_group): New.
9343         (Add_lib_group_symbols): New.
9344         * archive.h: Include options.h.
9345         (Archive_member): Moved from Archive.
9346         (Should_include): Moved from archive.cc.
9347         (Lib_group): New.
9348         (Add_lib_group_symbols): New.
9349         * dynobj.cc (do_should_include_member): New.
9350         * dynobj.h (do_should_include_member): New.
9351         * gold.cc (queue_initial_tasks): Update call to queue.
9352         * main.cc (main): Print lib group stats.
9353         * object.cc (do_should_include_member): New.
9354         * object.h: Include archive.h.
9355         (Object::should_include_member): New.
9356         (Object::do_should_include_member): New.
9357         (Sized_relobj::do_should_include_member): New.
9358         * options.cc (General_options::parse_start_lib): New.
9359         (General_options::parse_end_lib): New.
9360         (Input_arguments::add_file): Handle lib groups.
9361         (Input_arguments::start_group): Check we are not in a lib.
9362         (Input_arguments::start_lib): New.
9363         (Input_arguments::end_lib): New.
9364         * options.h (General_options): Add start_lib and end_lib.
9365         (Input_argument::lib_): New.
9366         (Input_argument::lib): New.
9367         (Input_argument::is_lib): New.
9368         (Input_file_lib): New.
9369         (Input_arguments::in_lib_): New.
9370         (Input_arguments::in_lib): New.
9371         (Input_arguments::start_lib): New.
9372         (Input_arguments::end_lib_): New.
9373         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
9374         in unused members as preempted.
9375         (Sized_pluginobj::do_should_include_member): New.
9376         * plugin.h (Sized_pluginobj::do_should_include_member): New.
9377         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
9378         return the blocker.
9379         (Read_symbols::do_whole_lib_group): New.
9380         (Read_symbols::do_lib_group): New.
9381         (Read_symbols::do_read_symbols): Handle lib groups.
9382         (Read_symbols::get_name): Handle lib groups.
9383         * readsyms.h (Read_symbols): Add an archive member pointer.
9384         (Read_symbols::do_whole_lib_group): New.
9385         (Read_symbols::do_lib_group): New.
9386         (Read_symbols::member_): New.
9387         * script.cc (read_input_script): Update call to queue_soon.
9388
9389 2010-03-19  Doug Kwan  <dougkwan@google.com>
9390
9391         * arm.cc (Stub_table::Stub_table): Initialize new data members
9392         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
9393         (Stub_table::add_reloc_stub): Assign stub offset and update
9394         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
9395         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
9396         New data members.
9397         (Stub_table::update_data_size_and_addralign): Use
9398         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
9399         instead of going over all reloc stubs.
9400         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
9401         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
9402         Stringpool_template::offset_ to size of Stringpool_char.
9403         (Stringpool_template::new_key_offset): Remove code to initialize
9404         Stringpool_template::offset_.
9405         * stringpool.h (Stringpool_template::set_no_zero_null): Set
9406         Stringpool_template::offset_ to zero.
9407
9408 2010-03-15  Doug Kwan  <dougkwan@google.com>
9409
9410         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
9411         offset_.
9412         (Stringpool_template::new_key_offset): New method.
9413         (Stringpool_template::add_string): Assign offsets when adding new
9414         strings.
9415         (Stringpool_template::set_string_offsets): Do not set string offsets
9416         when not optimizing.
9417         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
9418         member size_.
9419         (Chunked_vector::clear): Clear size_.
9420         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
9421         (Chunked_vector::size): Return size_.
9422         (Chunked_vector::push_back): Use size_ to find insert position.
9423         (Chunked_vector::size_): New data member.
9424         (Stringpool_template::set_no_zero_null): Assert string set is empty.
9425         (Stringpool_template::new_key_offset): New method declaration.
9426         (Stringpool_template::offset_): New data member.
9427
9428 2010-03-15   Rafael Espindola  <espindola@google.com>
9429
9430         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
9431         Add_symbols' constructor.
9432         * readsyms.h (Add_symbols): Remove the input_group member.
9433
9434 2010-03-10  Ian Lance Taylor  <iant@google.com>
9435
9436         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
9437         target to ask whether a reference to a symbol requires a stack
9438         split.
9439         * target.h (Target::is_call_to_non_split): New function.
9440         (Target::do_is_call_to_non_split): Declare virtual function.
9441         * target.cc: Include "symtab.h".
9442         (Target::do_is_call_to_non_split): New function.
9443         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
9444
9445 2010-03-10  Cary Coutant  <ccoutant@google.com>
9446
9447         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
9448         (File_read::open[1]): Remove initial mapping of whole_file_view_.
9449         (File_read::open[2]): Add whole_file_view_ to list of views.
9450         (File_read::make_view): Remove test of whole_file_view_.
9451         (File_read::find_or_make_view): Create whole_file_view_ if
9452         necessary.
9453         (File_read::clear_views): Replace bool parameter with enum;
9454         adjust all callers.  Don't delete views with permanent data;
9455         do delete cached views and views from archives if
9456         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
9457         if clearing the corresponding view.
9458         * fileread.h (File_read::Clear_views_mode): New enum.
9459         (File_read::View::is_permanent_view): New method.
9460         (File_read::clear_views): Replace bool parameter
9461         with enum; adjust all callers.
9462         * options.h (General_options): Change keep_files_mapped option;
9463         add map_whole_files.
9464         * readsyms.cc (Add_symbols::run): Delete sd_ object before
9465         releasing the file.
9466         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
9467         the file.
9468
9469 2010-03-10  David S. Miller  <davem@davemloft.net>
9470
9471         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
9472
9473 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
9474
9475         * icf.cc (get_section_contents): Add '@' marker after processing the
9476         merge reloc.
9477
9478 2010-03-08  Doug Kwan  <dougkwan@google.com>
9479
9480         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
9481         due to a conversion warning.
9482         (Arm_relobj::update_output_local_symbol_count): Check for local
9483         symbol with unset output index.
9484
9485 2010-03-05  Ian Lance Taylor  <iant@google.com>
9486
9487         * options.h (class General_options): Add --spare-dynamic-tags.
9488         * output.cc (Output_data_dynamic::set_final_data_size): Implement
9489         --spare-dynamic-tags.
9490
9491 2010-03-05  Ian Lance Taylor  <iant@google.com>
9492
9493         * incremental.cc: Include "libiberty.h".
9494
9495 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9496
9497         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
9498         function, is_info_ member.
9499         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
9500         (Versions::Versions): Update caller.
9501         (Versions::define_base_version): Likewise.
9502         (Versions::add_def): Likewise.
9503
9504 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
9505
9506         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
9507         (Scan::possible_function_pointer_reloc): New function.
9508         (Scan::local_reloc_may_be_function_pointer): Change to call
9509         possible_function_pointer_reloc.
9510         (Scan::global_reloc_may_be_function_pointer): Ditto.
9511         * icf.h (Icf::check_section_for_function_pointers): Change to reject
9512         relocations in ".data.rel.ro._ZTV" section.
9513         * testsuite/icf_safe_so_test.sh: Change to pass i386.
9514         * testsuite/icf_safe_so_test.cc: Ditto.
9515         * testsuite/icf_safe_test.cc: Ditto.
9516         * testsuite/icf_safe_test.sh: Ditto.
9517
9518 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9519             Ian Lance Taylor  <iant@google.com>
9520
9521         * target-reloc.h (relocate_section): Check the symbol table index
9522         for -1U before setting the local symbol index.
9523         (scan_relocatable_relocs): If copying the relocation, record that
9524         the local symbol is required.
9525         * object.h (Symbol_value::is_output_symtab_index_set): New
9526         function.
9527         (Symbol_value::may_be_discarded_from_output_symtab): New
9528         function.
9529         (Symbol_value::has_output_symtab_entry): New function.
9530         (Symbol_value::needs_output_symtab_entry): Remove.
9531         (Symbol_value::output_symtab_index): Make sure the symbol index is
9532         set.
9533         (Symbol_value::set_output_symtab_index): Make sure the symbol
9534         index is not set.  Make sure the new index is valid.
9535         (Symbol_value::set_must_have_output_symtab_entry): New function.
9536         (Symbol_value::has_output_dynsym_entry): New function.
9537         (Symbol_value::set_output_dynsym_index): Make sure the new index
9538         is valid.
9539         (Sized_relobj::set_must_have_output_symtab_entry): New function.
9540         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
9541         local symbol if permitted.
9542         (Sized_relobj::do_finalize_local_symbols): Call
9543         is_output_symtab_index_set rather than needs_output_symtab_entry.
9544         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
9545         rather than needs_output_symtab_entry.  Call
9546         has_output_dynsym_entry rather than needs_output_dynsym_entry.
9547         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
9548         is_output_symtab_index_set rather than needs_output_symtab_entry.
9549         * testsuite/discard_locals_relocatable_test.c: New file.
9550         * testsuite/discard_locals_test.sh: Test -r.
9551         * testsuite/Makefile.am (check_DATA): Add
9552         discard_locals_relocatable_test1.syms,
9553         discard_local_relocatable_test2.syms.
9554         (MOSTLYCLEANFILES): Likewise.  Also add
9555         discard_locals_relocatable_test1.lout and
9556         discard_locals_relocatable_test2.out.
9557         (discard_locals_relocatable_test1.syms): New target.
9558         (discard_locals_relocatable_test.o): New target.
9559         (discard_locals_relocatable_test1.out): New target.
9560         (discard_locals_relocatable_test2.syms): New target.
9561         (discard_locals_relocatable_test2.out): New target.
9562         (various): Add missing ../ld-new dependencies.
9563         * testsuite/Makefile.in: Rebuild.
9564
9565 2010-03-03  Nick Clifton  <nickc@redhat.com>
9566
9567         * po/fi.po: New Finnish translation.
9568
9569 2010-03-01  Doug Kwan  <dougkwan@google.com>
9570
9571         * layout.cc (Layout::Layout): Force section types of .init_array*,
9572         .preinit_array* and .fini_array* sections.
9573         * output.cc (Output_section::Input_section_sort_entry::has_priority):
9574         Fix check of return value of std::string::find.().
9575         (Output_section::Input_section_sort_compare::operator()): Remove
9576         comment about .init_array.
9577         (Output_section::Input_section_sort_init_fini_compare::operator()):
9578         New method.
9579         (Output_section::sort_attached_input_sections): Handle .init_array
9580         and .fini_array specially.
9581         * output.h (Output_section::Inut_section_sort_compare): Update
9582         comment.
9583         (Output_section::Input_section_sort_init_fini_compare): New struct.
9584
9585 2010-02-26  Doug Kwan  <dougkwan@google.com>
9586
9587         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
9588         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
9589         * testsuite/debug_msg.sh: Avoid matching source line number for
9590         use of global variable undef_int.
9591
9592 2010-02-26  Doug Kwan  <dougkwan@google.com>
9593
9594         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
9595         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
9596         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
9597         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
9598         * options.cc (General_options::General_options): Initialize member
9599         fix_v4bx_.
9600         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
9601         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
9602         and rm_no_fix_v4bx.stdout
9603         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
9604         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
9605         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
9606         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
9607         and arm_no_fix_v4bx.
9608         * Makefile.in: Regenerate.
9609         * testsuite/arm_fix_v4bx.s: New file.
9610         * testsuite/arm_fix_v4bx.sh: Ditto.
9611
9612 2010-02-24  Doug Kwan  <dougkwan@google.com>
9613
9614         * arm.cc (Target_arm::got_section): Make the .got section the first
9615         non RELRO section in the data segment.
9616         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
9617         suffixes of section names.
9618
9619 2010-02-24  Doug Kwan  <dougkwan@google.com>
9620
9621         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
9622         flags and attributes merging if an input file is a binary file.
9623         * fileread.cc (Input_file::open): Record format of original file.
9624         * fileread.h (Input_file::Format): New enum type.
9625         (Input_file::Input_file): Initialize data member format_.
9626         (Input_file::format): New method definition.
9627         (Input_file::format_):: New data member.
9628
9629 2010-02-24  Doug Kwan  <dougkwan@google.com>
9630
9631         * arm.cc (Arm_output_data_got): New class.
9632         (ARM_TCB_SIZE): New constant
9633         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
9634         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
9635         If user uses a script with a SECTIONS clause, issue only a warning
9636         for a misplaced EXIDX input section.  Otherwise, issue an error.
9637         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
9638         garbage collection.
9639         (Target_arm::got_mode_index_entry): Handle static linking.
9640         (Target_arm::Scan::local): Ditto.
9641         (Target_arm::Scan::global): Ditto.
9642         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
9643         all incorrectly implemented relocations.
9644         (Target_arm::fix_exidx_coverage): Pass layout to
9645         Arm_output_section::fix_exidx_coverage.
9646         * layout.cc (Layout::section_name_mapping): Remove trailing dots
9647         from ".ARM.exidx." and ".ARM.extab.".
9648
9649 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9650
9651         * arm.cc (Target_arm::do_finalize_sections): Create attribute
9652         section if it does not already exist.
9653         * attributes.cc (Attributes_section_data::Attributes_section_data):
9654         Don't crash if size is zero.
9655
9656 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9657             Ian Lance Taylor  <iant@google.com>
9658
9659         * gold.cc (queue_middle_tasks): If no input files were opened,
9660         exit.
9661         * workqueue.h (Task_function::Task_function): Assert that there is
9662         a blocker.
9663
9664 2010-02-22  Doug Kwan  <dougkwan@google.com>
9665
9666         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
9667         * icf.cc (get_section_contents): Cast snprintf arguments to long long
9668         types to avoid warnings due to different uint64_t implementations
9669         on different hosts.
9670
9671 2010-02-21  Doug Kwan  <dougkwan@google.com>
9672
9673         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
9674         handling of the maximum backward branch offset.
9675         (Arm_relocate_functions::thumb_branch_common): Ditto.
9676         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
9677         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
9678         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
9679         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
9680         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
9681         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
9682         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
9683         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
9684         thumb_bl_out_of_range thumb_bl_out_of_range.o,
9685         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
9686         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
9687         thumb2_bl_out_of_range.o): New rules.
9688         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
9689         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
9690         thumb2_bl_out_of_range
9691         * testsuite/Makefile.in: Regenerate.
9692         * testsuite/arm_bl_in_range.s: New file.
9693         * testsuite/arm_bl_out_of_range.s: Ditto.
9694         * testsuite/arm_branch_in_range.sh: Ditto.
9695         * testsuite/arm_branch_range.t: Ditto.
9696         * testsuite/thumb2_branch_range.t: Ditto.
9697         * testsuite/thumb_bl_in_range.s: Ditto.
9698         * testsuite/thumb_bl_out_of_range.s: Ditto.
9699         * testsuite/thumb_branch_range.t: Ditto.
9700
9701 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
9702
9703         * gc.h (gc_process_relocs): Change vectors to point to the new list.
9704         Add reloc offset information.
9705         * icf.cc (get_section_contents): Change iterators to point to the new
9706         vectors. Add reloc offset information to the contents.
9707         * icf.h (Icf::Sections_reachable_info): New typedef.
9708         (Icf::Sections_reachable_list): New typedef.
9709         (Icf::Offset_info): New typedef.
9710         (Icf::Reloc_info): New struct typedef.
9711         (Icf::Reloc_info_list): New typedef.
9712         (Icf::symbol_reloc_list): Delete method.
9713         (Icf::addend_reloc_list): Delete method.
9714         (Icf::section_reloc_list): Delete method.
9715         (Icf::reloc_info_list): New method.
9716         (Icf::reloc_info_list_): New member.
9717
9718 2010-02-19  Doug Kwan  <dougkwan@google.com>
9719
9720         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
9721         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
9722         * arm.cc (Arm_relocation_functions): New forward declaration.
9723         (Target_arm::Target_arm): Initialize new data members
9724         got_mod_index_offset_ and tls_base_symbol_defined_.
9725         (Target_arm::Relocate::relocate_tls): New method.
9726         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
9727          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
9728         New methods.
9729         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
9730         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
9731         (Target_arm::got_mod_index_offset_,
9732         Target_arm::tls_base_symbol_defined_): New data members.
9733         (Target_arm::Scan::local, Target::Scan::global,
9734         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
9735         relocations.
9736
9737 2010-02-18  Doug Kwan  <dougkwan@google.com>
9738
9739         * arm.cc (Arm_relobj::find_linked_text_section): New method.
9740         (Arm_relobj::make_exidx_input_section): Pass section index of linked
9741         text section as a parameter becuase some broken tools may not set
9742         the link in section header.
9743         (Target_arm::has_got_section): New method.
9744         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
9745         without any mapping symbol as data only.  Remove warning.
9746         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
9747         link in its section header, try to discover the link by inspecting the
9748         REL31 relocation at the beginning of the section.
9749         (Target_arm::Scan::check_non_pic): Report name of offending relocation
9750         in error message.
9751         (Target_arm::Scan::global): Treat any reference to the symbol
9752         _GLOBAL_OFFSET_TABLE_ as a GOT access.
9753
9754 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
9755
9756         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
9757         (Scan::global_reloc_may_be_function_pointer): New function.
9758         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
9759         (Scan::global_reloc_may_be_function_pointer): New function.
9760         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
9761         (Scan::global_reloc_may_be_function_pointer): New function.
9762         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
9763         (Scan::global_reloc_may_be_function_pointer): New function.
9764         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
9765         (Scan::global_reloc_may_be_function_pointer): New function.
9766         (Scan::possible_function_pointer_reloc): New function.
9767         (Target_x86_64::can_check_for_function_pointers): New function.
9768         * gc.h (gc_process_relocs): Scan relocation types to determine if
9769         function pointers were taken for targets that support it.
9770         * icf.cc (Icf::find_identical_sections): Include functions for
9771         folding in safe ICF whose pointer is not taken.
9772         * icf.h (Secn_fptr_taken_set): New typedef.
9773         (fptr_section_id_): New member.
9774         (section_has_function_pointers): New function.
9775         (set_section_has_function_pointers): New function.
9776         (check_section_for_function_pointers): New function.
9777         * options.h: Fix comment for safe ICF option.
9778         * target.h (can_check_for_function_pointers): New function.
9779         * testsuite/Makefile.am: Add icf_safe_so_test test case.
9780         Modify icf_safe_test for X86-64.
9781         * testsuite/Makefile.in: Regenerate.
9782         * testsuite/icf_safe_so_test.cc: New file.
9783         * testsuite/icf_safe_so_test.sh: New file.
9784         * testsuite/icf_safe_test.cc (kept_func_3): New function.
9785         (main): Change to take pointer to function kept_func_3.
9786         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
9787         folding is done correctly for X86-64.
9788
9789 2010-02-12  David S. Miller  <davem@davemloft.net>
9790
9791         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
9792         is_symbolless parameter.
9793         (Output_reloc<SHT_REL>::is_symbolless): New.
9794         (Output_reloc<SHT_REL>::is_symbolless_): New.
9795         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
9796         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
9797         (Output_reloc<SHT_RELA>::is_symbolless): New.
9798         (Output_data_reloc::add_global): Handle is_symbolless.
9799         (Output_data_reloc::add_global_relative): Likewise.
9800         (Output_data_reloc::add_local): Likewise.
9801         (Output_data_reloc::add_local_relative): Likewise.
9802         (Output_data_reloc::add_symbolless_global_addend): New.
9803         (Output_data_reloc::add_symbolless_local_addend): New.
9804         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
9805         is_symbolless.
9806         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
9807         instead of ->is_relative_
9808         (Output_reloc::write): Likewise.
9809         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
9810         (Output_reloc::write_rel): Simplify.
9811
9812         * sparc.cc (Target_sparc::Scan::local): Use
9813         ->add_symbolless_local_addend as needed.
9814         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
9815         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
9816         based upon relocation offset.
9817
9818 2010-02-11  Doug Kwan  <dougkwan@google.com>
9819
9820         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
9821         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
9822         beginning of function.
9823         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
9824         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
9825         parameter is_32bit in calls to should_apply_static_reloc.
9826         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
9827         (check_DATA): Add arm_abs_global.stdout.
9828         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
9829         arm_abs_global.stdout): New rules.
9830         (MOSTLLYCLEANFILES): Add arm_abs_global
9831         * Makefile.in: Regenerate.
9832         * testsuite/arm_abs_global.s: New file.
9833         * testsuite/arm_abs_global.sh: Ditto.
9834         * testsuite/arm_abs_lib.s: Ditto.
9835
9836 2010-02-11  Ian Lance Taylor  <iant@google.com>
9837
9838         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
9839         Read_relocs task.
9840         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
9841         Allocate_commons_task first.
9842         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
9843         task, rather than symtab_lock_.
9844         (Gc_process_relocs::~Gc_process_relocs): New function.
9845         (Gc_process_relocs::is_runnable): Check this_blocker_.
9846         (Gc_process_relocs::locks): Use next_blocker_ rather than
9847         blocker_.
9848         (Scan_relocs::~Scan_relocs): New function.
9849         (Scan_relocs::is_runnable): Check this_blocker_ rather than
9850         symtab_lock_.
9851         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
9852         next_blocker_.
9853         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
9854         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
9855         constructor accordingly.
9856         (class Gc_process_relocs): Likewise.
9857         (class Scan_relocs): Likewise.
9858         * common.h (class Allocate_commons_task): Remove symtab_lock_
9859         field, and corresponding constructor parameter.
9860         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
9861         symtab_lock_.
9862         (Allocate_commons_task::locks): Likewise.
9863
9864 2010-02-11  Ian Lance Taylor  <iant@google.com>
9865
9866         * gold-threads.h (class Once): Define.
9867         (class Initialize_lock): Rewrite as child of Once.
9868         * gold-threads.cc (class Once_initialize): Define.
9869         (once_pointer_control): New static variable.
9870         (once_pointer, once_arg): New static variables.
9871         (c_run_once): New static function.
9872         (Once::Once, Once::run_once, Once::internal_run): New functions.
9873         (class Initialize_lock_once): Remove.
9874         (initialize_lock_control): Remove.
9875         (initialize_lock_pointer): Remove.
9876         (initialize_lock_once): Remove.
9877         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
9878         (Initialize_lock::initialize): Rewrite.
9879         (Initialize_lock::do_run_once): New function.
9880         * archive.cc (Archive::interpret_header): Only clear name if it is
9881         not already empty.
9882         * fileread.cc: Include "gold-threads.h"
9883         (file_counts_lock): New static variable.
9884         (file_counts_initialize_lock): Likewise.
9885         (File_read::release): Only increment counts when using --stats.
9886         Use a lock around the increment.
9887         * parameters.cc (class Set_parameters_target_once): Define.
9888         (set_parameters_target_once): New static variable.
9889         (Parameters::Parameters): Move here from parameters.h.
9890         (Parameters::set_target): Rewrite.
9891         (Parameters::set_target_once): New function.
9892         (Parameters::clear_target): Move here and rewrite.
9893         * parameters.h (class Parameters): Update declarations.  Add
9894         set_parameters_target_once_ field.
9895         (Parameters::Parameters): Move to parameters.cc.
9896         (Parameters::clear_target): Likewise.
9897         * readsyms.cc (Read_symbols::do_group): Create a Start_group
9898         task.
9899         (Start_group::~Start_group): New function.
9900         (Start_group::is_runnable): New function.
9901         (Start_group::locks, Start_group::run): New functions.
9902         (Finish_group::run): Change saw_undefined to size_t.
9903         * readsyms.h (class Start_group): Define.
9904         (class Finish_group): Change saw_undefined_ field to size_t.
9905         (Finish_group::Finish_group): Remove saw_undefined and
9906         this_blocker parameters.  Change all callers.
9907         (Finish_group::set_saw_undefined): New function.
9908         (Finish_group::set_blocker): New function.
9909         * symtab.h (class Symbol_table): Change saw_undefined to return
9910         size_t.  Change saw_undefined_ field to size_t.
9911         * target-select.cc (Set_target_once::do_run_once): New function.
9912         (Target_selector::Target_selector): Initialize set_target_once_
9913         field.  Don't initialize lock_ and initialize_lock_ fields.
9914         (Target_selector::instantiate_target): Rewrite.
9915         (Target_selector::set_target): New function.
9916         * target-select.h (class Set_target_once): Define.
9917         (class Target_selector): Update declarations.  Make
9918         Set_target_once a friend.  Remove lock_ and initialize_lock_
9919         fields.  Add set_target_once_ field.
9920
9921 2010-02-10  Ian Lance Taylor  <iant@google.com>
9922
9923         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
9924         queueing any tasks.
9925         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
9926         (queue_middle_tasks): Add all blockers before queueing any tasks.
9927         (queue_final_tasks): Likewise.
9928         * token.h (Task_token::add_blockers): New function.
9929         * object.h (Input_objects::number_of_relobjs): New function.
9930
9931 2010-02-10  Ian Lance Taylor  <iant@google.com>
9932
9933         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
9934         shared, not if not position independent.
9935         * x86_64.cc (Relocate::relocate_tls): Likewise.
9936         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
9937         (tls_pie_pic_test): New target.
9938         * testsuite/Makefile.in: Rebuild.
9939
9940         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
9941         (tls_test_main_pie.o, tls_test_pie.o): New targets.
9942         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
9943         * testsuite/Makefile.in: Rebuild.
9944
9945 2010-02-09  David S. Miller  <davem@davemloft.net>
9946
9947         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
9948         R_SPARC_RELATIVE using ->add_local_relative().
9949         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
9950
9951         * output.h (Output_data_dynamic::add_section_size): New method
9952         that takes two Output_data objects.
9953         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
9954         entry param.  Handle it in initializers.
9955         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
9956         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
9957         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
9958         arg.
9959         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
9960         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
9961         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
9962         for dynrel_includes_plt.
9963         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9964         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9965         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
9966         before .rela.plt
9967         (Target_sparc::do_finalize_sections): Update to pass true for
9968         dynrel_includes_plt.
9969         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
9970         output before .rela.plt
9971         (Target_powerpc::do_finalize_sections): Update to pass true for
9972         dynrel_includes_plt when 32-bit.
9973
9974 2010-02-08  Doug Kwan  <dougkwan@google.com>
9975
9976         * arm.cc (Arm_relobj::simple_input_section_output_address): New
9977         method.
9978         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
9979         Arm_relobj::scan_section_for_cortex_a8_stubs,
9980         Arm_relobj::do_relocation_section): Instead of calling
9981         Output_section::output_address, use faster
9982         Arm_relobj::simple_input_section_output_address.
9983
9984 2010-02-08  David S. Miller  <davem@davemloft.net>
9985
9986         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
9987         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
9988         relocation helper function.
9989
9990         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
9991         just like R_SPARC_GOT{10,13,22}.
9992         (Target_sparc::Scan::local): Likewise.
9993         (Target_sparc::Relocate:relocate): Likewise.
9994
9995 2010-02-06  Ian Lance Taylor  <iant@google.com>
9996
9997         * configure.ac: Rewrite targetobjs duplicate removal code to use
9998         only shell constructs.
9999         * configure: Rebuild.
10000
10001 2010-02-05  Doug Kwan  <dougkwan@google.com>
10002
10003         PR 11247
10004         * arm.cc (Arm_relobj::section_is_scannable): New method.
10005         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
10006         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
10007
10008 2010-02-04  Doug Kwan  <dougkwan@google.com>
10009
10010         PR 11247
10011         * arm-reloc-property.cc (cstdio): Include.
10012         * configure.ac (targetobjs): Remove duplicates.
10013         * configure: Regenerate.
10014         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
10015         big and little endian version for a given address size.
10016
10017 2010-02-03  Doug Kwan  <dougkwan@google.com>
10018
10019         * arm-reloc-property.cc
10020         (Arm_reloc_property_table::reloc_name_in_error_message): New method
10021         definition.
10022         * arm-reloc-property.h
10023         (Arm_reloc_property_table::get_implemented_static_reloc_property):
10024         New method definition.
10025         (Arm_reloc_property_table::reloc_name_in_error_message): New method
10026         declaration.
10027         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
10028         overflow to N.
10029         (GOT_PREL): Change implemented to Y.
10030         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
10031         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
10032         (Arm_relocate_functions::movw_abs_nc): Remove method.
10033         (Arm_relocate_functions::movt_abs): Ditto.
10034         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
10035         (Arm_relocate_functions::thm_movt_abs): Ditto.
10036         (Arm_relocate_functions::movw_rel_nc): Ditto.
10037         (Arm_relocate_functions::movw_rel): Ditto.
10038         (Arm_relocate_functions::movt_rel): Ditto.
10039         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
10040         (Arm_relocate_functions:thm_movw_rel): Ditto.
10041         (Arm_relocate_functions:thm_movt_rel): Ditto.
10042         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
10043         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
10044         New method definitions.
10045         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
10046         (Arm_relocation_functions::arm_grp_ldr): Ditto.
10047         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
10048         (Arm_relocation_functions::arm_grp_ldc): Ditto.
10049         (Target_arm::Relocate::relocate): Check for non-static or
10050         unimplemented relocation code and exit early.  Change calls to
10051         Target_arm::reloc_uses_thumb_bit and
10052         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
10053         instead.  Refactor code to handle similar relocations to increase
10054         code sharing.  Remove check for unsupported relocation code in switch
10055         statement.
10056         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
10057         relocation property table to find out size.  Change error message to
10058         print out the name of a relocation code instead of the numeric value.
10059         (Target_arm::scan_reloc_for_stub): Use relocation property table
10060         instead of calling Target_arm::reloc_uses_thumb_bit().
10061
10062 2010-02-02  Doug Kwan  <dougkwan@google.com>
10063
10064         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
10065         types of relaxed input section.
10066
10067 2010-02-02  Doug Kwan  <dougkwan@google.com>
10068
10069         * Makefile.am (HFILES): Add arm-reloc-property.h.
10070         (DEFFILES): New.
10071         (TARGETSOURCES): Add arm-reloc-property.cc
10072         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
10073         (libgold_a_SOURCES): $(DEFFILES)
10074         * Makefile.in: Regenerate.
10075         * arm-reloc-property.cc: New file.
10076         * arm-reloc-property.h: New file.
10077         * arm-reloc.def: New file.
10078         * arm.cc: Update comments.
10079         (arm-reloc-property.h): New included header.
10080         (arm_reloc_property_table): New global variable.
10081         (Target_arm::do_select_as_default_target): New method definition.
10082         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
10083         arm-reloc-property to targ_extra_obj.
10084         * parameters.cc (set_parameters_target): Call
10085         Target::select_as_default_target().
10086         * target.h (Target::select_as_default_target): New method definition.
10087         (Target::do_select_as_default_target): Same.
10088
10089 2010-02-01  Doug Kwan  <dougkwan@google.com>
10090
10091         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
10092         first_output_text_section_.
10093         (Arm_exidx_fixup::first_output_text_section): New method definition.
10094         (Arm_exidx_fixup::first_output_text_section_): New data member.
10095         (Arm_exidx_fixup::process_exidx_section): Record the first text
10096         output section seen.
10097         (Arm_output_section::fix_exidx_coverage): Set correct linked section
10098         and entsize in output section header.
10099
10100 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10101
10102         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
10103         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
10104         (Arm_relocate_functions::thm_alu11): New Method.
10105         (Arm_relocate_functions::thm_pc8): New Method.
10106         (Arm_relocate_functions::thm_pc12): New Method.
10107         (Target_arm::Scan::local): Handle the relocations.
10108         (Target_arm::Scan::global): Likewise.
10109         (Target_arm::Relocate::relocate): Likewise.
10110         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10111
10112 2010-01-29  Doug Kwan  <dougkwan@google.com>
10113
10114         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
10115         of relocation types as ld.
10116
10117 2010-01-29  Doug Kwan  <dougkwan@google.com>
10118
10119         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
10120         to public.
10121         (Arm_relocate_functions::thumb_branch_common): Ditto.
10122         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
10123         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
10124         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
10125         Arm_relocate_functions::jump24): Remove.
10126         (Target_arm::Relocate::relocate): Adjust code to call
10127         Arm_relocation_functions::arm_branch_common and
10128         Arm_relocation_functions::thumb_branch_common instead of their removed
10129         wrappers.  Merge switch-cases together to reduce source code size.
10130
10131 2010-01-29  Doug Kwan  <dougkwan@google.com>
10132
10133         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
10134         output_local_symbol_count_needs_update_.
10135         (Arm_relobj::output_local_symbol_count_needs_update,
10136          Arm_relobj::set_output_local_symbol_count_needs_update,
10137          Arm_relobj::update_output_local_symbol_count): New methods.
10138         (Arm_relobj::output_local_symbol_count_needs_update_): New data
10139         member.
10140         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
10141         of pointed function as in a R_ARM_PREL31 relocation.
10142         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
10143         for output local symbol count updating.
10144         (Target_arm::do_relax): Update output local symbol counts in objects
10145         if necessary.
10146         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
10147
10148 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10149
10150         * arm.cc: Added support for the ARM relocations:
10151         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
10152         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
10153         (Arm_relocate_functions::movw_rel_nc): Renamed (was
10154         movw_prel_nc).
10155         (Arm_relocate_functions::movw_rel): New method.
10156         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
10157         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
10158         thm_movw_prel_nc).
10159         (Arm_relocate_functions::thm_movw_rel): New method.
10160         (Arm_relocate_functions::thm_movt_rel): Renamed (was
10161         thm_movt_prel).
10162         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
10163         relocations.
10164         (Target_arm::Scan::global): Likewise.
10165         (Target_arm::Relocate::relocate): Likewise.
10166         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10167         Likewise.
10168
10169 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10170
10171         * arm.cc: Added support for ARM group relocations.
10172         (Target_arm::reloc_needs_sym_origin): New method.
10173         (Arm_relocate_functions::calc_grp_kn): New method.
10174         (Arm_relocate_functions::calc_grp_residual): New method.
10175         (Arm_relocate_functions::calc_grp_gn): New method.
10176         (Arm_relocate_functions::arm_grp_alu): New Method.
10177         (Arm_relocate_functions::arm_grp_ldr): New Method.
10178         (Arm_relocate_functions::arm_grp_ldrs): New Method.
10179         (Arm_relocate_functions::arm_grp_ldc): New Method.
10180         (Target_arm::Scan::local): Handle the ARM group relocations.
10181         (Target_arm::Scan::global): Likewise.
10182         (Target_arm::Relocate::relocate): Likewise.
10183         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10184         Likewise.
10185
10186 2010-01-26  Doug Kwan  <dougkwan@google.com>
10187
10188         * arm.cc (set): Include.
10189         (class Arm_exidx_fixup): Change type of last_input_section_ to const
10190         pointer type.
10191         (Arm_output_section::Text_section_list): New type.
10192         (Arm_output_section::append_text_sections_to_list): New method.
10193         (Arm_output_section::fix_exidx_coverage): Ditto.
10194         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
10195         (Arm_relobj::convert_input_section_to_relaxed_section): Use
10196         Relobj::set_section_offset() instead of
10197         Sized_relobj::invalidate_section_offset().
10198         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
10199         parameter for section headers. Ignore relocation sections for
10200         unallocated sections and EXIDX sections.
10201         (Target_arm::fix_exidx_coverage): New method.
10202         (Target_arm::output_section_address_less_than): New type.
10203         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
10204         linked text section instead of the EXIDX section.
10205         (Arm_output_section::create_stub_group): Add an assertion to check
10206         that this is not an EXIDX output section.
10207         (Arm_output_section::append_text_sections_to_list): New method.
10208         (Arm_output_section::fix_exidx_coverage): Ditto.
10209         (Arm_relobj::scan_sections_for_stubs): Adjust call to
10210         Arm_relobj::section_needs_reloc_stub_scanning.
10211         (Target_arm::do_relax): Fix EXIDX output section coverage in the
10212         first pass.
10213         (Target_arm::fix_exidx_coverage): New method.
10214         * object.h (Relobj::set_output_section): New method.
10215         (Sized_relobj::invalidate_section_offset): Remove method.
10216         (Sized_relobj::do_invalidate_section_offset): Remove method.
10217         (Sized_relobj::do_set_section_offset): Handle offset value -1.
10218
10219 2010-01-25  Doug Kwan  <dougkwan@google.com>
10220
10221         * arm.cc (Arm_exidx_merged_section::do_output_offset):
10222         Fix warning due to signed and unsigned comparison on a 32-bit host.
10223
10224 2010-01-22  Doug Kwan  <dougkwan@google.com>
10225
10226         * arm.cc (Target_arm::do_relax): Record an output section for section
10227         offset adjustment it contains any stub table that has changed.
10228         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
10229         offsets in an output section if necessary.
10230         * output.cc (Output_section::Output_section): Initialize
10231         section_offsets_need_adjustments_.
10232         (Output_section::add_input_section_for_script): Renamed to
10233         Output_section::add_simple_input_section.
10234         (Output_section::save_states): Add a comment.
10235         (Output_section::discard_states): New method defintion.
10236         (Output_section::adjust_section_offsets): Same.
10237         * output.h (Output_section::add_input_section_for_script): Renamed to
10238         Output_section::add_simple_input_section.
10239         (Output_section::discard_states): New method declaration.
10240         (Output_section::adjust_section_offsets): Same.
10241         (Output_section::section_offsets_need_adjustment,
10242         Output_section::set_section_offsets_need_adjustment): New method
10243         definitions.
10244         (Output_section::section_offsets_need_adjustment_): New data member.
10245         * script-sections.cc
10246         (Output_section_element_input::set_section_address): Adjust code for
10247         renaming of Output_section::add_input_section_for_script.
10248         (Orphan_output_section::set_section_address): Same.
10249
10250 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10251
10252         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
10253         Fix_v4bx enum values .
10254         * gold/options.h (General_options): New option definitions.
10255         (General_options::fix_v4bx): New method.
10256         (General_options::Fix_v4bx): New enum.
10257         * gold/options.cc (General_options::parse_fix_v4bx): New method.
10258         (General_options::parse_fix_v4bx_interworking): New method.
10259
10260 2010-01-22  Doug Kwan  <dougkwan@google.com>
10261
10262         * arm.cc (Arm_exidx_fixup): New class.
10263
10264 2010-01-21  Doug Kwan  <dougkwan@google.com>
10265
10266         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
10267         classes.
10268         (Arm_exidx_section_offset_map): New type.
10269
10270 2010-01-21  Doug Kwan  <dougkwan@google.com>
10271
10272         * arm.cc (Arm_exidx_input_section): New class.
10273         (Arm_relobj::exidx_input_section_by_link,
10274         Arm_relobj::exidx_input_section_by_shndx,
10275         Arm_relobj::make_exidx_input_section): New methods.
10276         (read_arm_attributes_section): Remove.
10277         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
10278         information about them.
10279         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
10280         to here.
10281
10282 2010-01-20  Doug Kwan  <dougkwan@google.com>
10283
10284         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
10285         Input_section_specifier to Section_id.
10286         (Target_arm::new_arm_input_section: Adjust code for change of key
10287         type.
10288         (Target_arm::find_arm_input_section): Ditto.
10289         * gc.h (object.h): Include for Section_id nand Section_id_hash.
10290         (Section_id): Remove.
10291         (Garbage_collection::Section_id_hash): Remove.
10292         * icf.h (object.h): Include for Section_id nand Section_id_hash.
10293         (Section_id): Remove.
10294         (Icf::Section_id_hash): Remove.
10295         * object.h (Section_id, Const_section_id, Section_id_hash,
10296         Const_section_id_hash): New type definitions.
10297         * output.cc (Output_section::add_relaxed_input_section): Change to
10298         use Const_section_id instead of Input_section_specifier as key type.
10299         (Output_section::add_merge_input_section): Ditto.
10300         (Output_section::build_relaxation_map): Change to use Section_id
10301         instead of Input_section_specifier as key type.
10302         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
10303         Ditto.
10304         (Output_section::convert_input_sections_to_relaxed_sections): Change
10305         to use Const_section_id instead of Input_section_specifier as key type.
10306         (Output_section::find_merge_section): Ditto.
10307         (Output_section::find_relaxed_input_section): Ditto.
10308         * output.h (Input_section_specifier): Remove class.
10309         (Output_section::Output_section_data_by_input_section_map): Change
10310         key type to Const_section_id.
10311         (Output_section::Output_relaxed_input_section_by_input_section_map):
10312         Ditto.
10313         (Output_section::Relaxation_map): Change key type to Section_id.
10314
10315 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10316
10317         * gold/arm.cc: Added support for R_ARM_V4BX relocation
10318         (class Arm_v4bx_stub): New class.
10319         (DEF_STUBS): Updated definition to support v4_veneer_bx.
10320         (Stub_factory::make_arm_v4bx_stub): New method.
10321         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
10322         (Stub_table::empty): Handle v4bx stubs.
10323         (Stub_table::add_arm_v4bx_stub): New method.
10324         (Stub_table::find_arm_v4bx_stub): New method.
10325         (Arm_relocate_functions::v4bx): New method.
10326         (Target_arm::fix_v4bx): New method.
10327         (Target_arm::Target_arm): Handle R_ARM_V4BX.
10328         (Stub_table::relocate_stubs): Likewise.
10329         (Stub_table::do_write): Likewise.
10330         (Stub_table::update_data_size_and_addralign): Likewise.
10331         (Stub_table::finalize_stubs):  Likewise.
10332         (Target_arm::Scan::local): Likewise.
10333         (Target_arm::Scan::global): Likewise.
10334         (Target_arm::do_finalize_sections): Likewise.
10335         (Target_arm::Relocate::relocate): Likewise.
10336         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10337         Likewise.
10338         (Target_arm::scan_reloc_for_stub): Likewise.
10339         (Target_arm::scan_reloc_section_for_stubs): Likewise.
10340
10341 2010-01-19  Ian Lance Taylor  <iant@google.com>
10342
10343         * output.cc (Output_section_headers::do_sized_write): Write large
10344         segment count to sh_info field.
10345         (Output_file_header::do_sized_write): For large segment count,
10346         write PN_XNUM to e_phnum field.
10347
10348 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10349
10350         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
10351         (Arm_relocate_functions::thm_jump8): New function.
10352         (Arm_relocate_functions::thm_jump11): New function.
10353         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
10354         R_ARM_THM_JUMP11.
10355         (Target_arm::Scan::global): Likewise.
10356         (Target_arm::Relocate::relocate): Likewise.
10357         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10358         Likewise.
10359
10360 2010-01-14  Doug Kwan  <dougkwan@google.com>
10361
10362         * arm.cc (map, utility): Include headers.
10363         (Target_arm::apply_cortex_a8_workaround): New method.
10364         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
10365         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
10366         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
10367         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
10368         the --[no-]fix-cortex-a8 command line options.
10369         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
10370         (Target_arm::relocate_stub): Use addend in instruction template.
10371         * options.h (DEFINE_bool): Set the user-set flag.
10372         (General_options): Add --[no-]-fix-cortex options.
10373         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
10374         : Update fast look-up map after conversion.
10375
10376 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
10377
10378         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
10379         in the first pass of do_layout.
10380
10381 2010-01-13  Doug Kwan  <dougkwan@google.com>
10382
10383         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
10384         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
10385         apparent compiler problem of not folding static constant integral
10386         data members of elfcpp::Elf_sizes<32>.
10387
10388 2010-01-13  Doug Kwan  <dougkwan@google.com>
10389
10390         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
10391         Arm_relobj::section_needs_cortex_a8_stub_scanning,
10392         Arm_relobj::scan_section_for_cortex_a8_erratum,
10393         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
10394         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
10395         sections to scan for relocation stubs into a new method
10396         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
10397         relocation and Cortex-A8 stub scanning.
10398         (Target_arm::do_relax): Force stubs to be after stubbed sections
10399         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
10400         the beginning of a new relaxation pass.  Update a comment.
10401         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
10402
10403 2010-01-12  Ian Lance Taylor  <iant@google.com>
10404
10405         * target-reloc.h (visibility_error): New inline function.
10406         (relocate_section): Call visibility_error.
10407         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
10408         (MOSTLYCLEANFILES): Likewise.
10409         (protected_4_pic.o, protected_3.err): New targets.
10410         * testsuite/protected_4.cc: New file.
10411
10412 2010-01-12  Doug Kwan  <dougkwan@google.com>
10413
10414         * arm.cc (Cortex_a8_reloc): New class.
10415         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
10416         and cortex_a8_relocs_info_.
10417         (Target_arm::fix_cortex_a8): New method definition.
10418         (Target_arm::Cortex_a8_relocs_info): New type.
10419         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
10420         New data member declarations.
10421         (Target_arm::scan_reloc_for_stub): Record information about
10422         relocations for THUMB branches that might be exempted from the
10423         Cortex-A8 workaround.
10424         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
10425         at the beginning of a relaxation pass.
10426
10427 2010-01-12  Doug Kwan  <dougkwan@google.com>
10428
10429         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
10430         (Arm_relobj::Mapping_symbol_position,
10431          Arm_reloj::Mapping_symbol_position_less,
10432          Arm_relobj::Mapping_symbols_info): New types.
10433         (Target_arm::is_mapping_symbol_name): New method definition.
10434         (Arm_relobj::do_count_local_symbols): Save information about mapping
10435         symbols.
10436
10437 2010-01-11  Doug Kwan  <dougkwan@google.com>
10438
10439         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
10440         Arm_relocate_functions::thumb32_branch_upper,
10441         Arm_relocate_functions::thumb32_branch_lower,
10442         Arm_relocate_functions::thumb32_cond_branch_offset,
10443         Arm_relocate_functions::thumb32_cond_branch_upper,
10444         Arm_relocate_functions::thumb32_cond_branch_lower,
10445         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
10446         branch offset encoding.
10447         (Arm_relocate_functions::thumb_branch_common): Use new branch
10448         offset encoding methods to avoid code duplication.
10449         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
10450         (Stub_addend_reader::operator()): Use new branch encoding method
10451         to avoid code duplication.
10452
10453 2010-01-11  Doug Kwan  <dougkwan@google.com>
10454
10455         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
10456         (Target_arm::do_finalize_sections): Define special EXIDX section
10457         symbols only if referenced.
10458         * gc.h (Garbage_collection::add_reference): New method.
10459         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
10460         code duplication.
10461
10462 2010-01-11  Ian Lance Taylor  <iant@google.com>
10463
10464         * script.cc (Version_script_info::build_expression_list_lookup):
10465         Change complaing about duplicate wildcard match from error to
10466         warning.
10467
10468         * script.cc (class Lazy_demangler): Recreate--revert part of patch
10469         of 2009-12-30.
10470         (Version_script_info::Version_script_info): Initialize globs_,
10471         default_version_, default_is_global_, and exact_.  Don't
10472         initialize globals_ or locals_.
10473         (Version_script_info::build_lookup_tables): Build local symbols
10474         first.
10475         (Version_script_info::unquote): New function.
10476         (Version_script_info::add_exact_match): New function.
10477         (Version_script_info::build_expression_list_lookup): Remove lookup
10478         parameter.  Add is_global parameter.  Change all callers.  Handle
10479         wildcard pattern specially.  Unquote pattern.  Call
10480         add_exact_match.
10481         (Version_script_info::get_name_to_match): New function.
10482         (Version_script_info::get_symbol_version): New function.
10483         (Version_script_info::get_symbol_version_helper): Remove.
10484         (Version_script_info::check_unmatched_names): Call unquote.
10485         * script.h (class Version_script_info): Change get_symbol_version
10486         to be non-inline and add is_global parameter; change all callers.
10487         Rewrite symbol_is_local.  Update declarations.  Define struct
10488         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
10489         Remove globals_ and locals_ members.  Add exact_, globs_,
10490         default_version_, is_global_.
10491         (Version_script_info::Glob): Remove pattern, add expression and
10492         is_global.  Update constructor.  Change all callers.
10493         * dynobj.cc (Versions::finalize): Mark the version symbol as the
10494         default version.
10495         (Versions::symbol_section_contents): If a symbol is undefined, or
10496         defined in a dynamic object, set the version index to
10497         VER_NDX_LOCAL.
10498         * symtab.cc (Symbol_table::add_from_relobj): Don't call
10499         symbol_is_local.
10500         (Symbol_table::add_from_pluginobj): Likewise.
10501         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
10502
10503 2010-01-11  Doug Kwan  <dougkwan@google.com>
10504
10505         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
10506         (incremental_dump_LDADD): Add linking option for libintl.
10507         * Makefile.in: Regenerate.
10508
10509 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
10510
10511         PR gold/11144
10512         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
10513         instead of -Ds.
10514         * testsuite/Makefile.in: Regenerated.
10515
10516 2010-01-10  Doug Kwan  <dougkwan@google.com>
10517
10518         * options.h (DEFINE_var): Use parentheses around argument varname__
10519         in macro body to avoid any unintended subsequent substitutions.
10520
10521 2010-01-10  Ian Lance Taylor  <iant@google.com>
10522
10523         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
10524         candidates before doing symbol resolution.
10525
10526         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
10527         ODR candidates if only one is weak.
10528
10529 2010-01-08  Ian Lance Taylor  <iant@google.com>
10530
10531         * script.cc (Version_script_info::build_expression_list_lookup):
10532         Don't warn about ambiguous version, just record the ambiguity.
10533         (Version_script_info::get_symbol_version_helper): Give error if
10534         version is ambiguous.
10535
10536 2010-01-08  Doug Kwan  <dougkwan@google.com>
10537
10538         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
10539         prev_data_size_ and prev_addralign_.  Remove initializer for
10540         deleted data member has_been_changed_.
10541         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
10542         to determine if the table is empty.
10543         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
10544         Remove.
10545         (Stub_table::add_reloc_stub): Define method in class definition
10546         instead of just declaring it there.
10547         (Stub_table::add_cortex_a8_stub): New method definition.
10548         (Stub_table::update_data_size_and_addralign): Ditto.
10549         (Stub_table::finalize_stubs): Ditto.
10550         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
10551         (Stub_table::do_addralign_): Return address alignment in the
10552         (Stub_table::do_reset_address_and_file_offset): Define method in
10553         class definition instead of declaring it there.  Set current data
10554         size to be the data size of the previous pass.
10555         (Stub_table::set_final_data_size): Use current data size as the
10556         final data size.
10557         (Stub_table::relocate_stub): Change parameter type of stub from
10558         Reloc_stub pointer to Stub pointer.
10559         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
10560         (Stub_table::Cortex_a8_stub_list): New typedef.
10561         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
10562          Stub_table::prev_addralign_): New data member.
10563         (Arm_relobj::Arm_relobj): Initialize data member
10564         section_has_cortex_a8_workaround_.
10565         (Arm_relobj::section_has_cortex_a8_workaround,
10566          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
10567          definitions.
10568         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
10569         declarations.
10570         (Target_arm::relocate_stub): Change parameter type of stub from
10571         Reloc_stub pointer to Stub pointer.
10572         (Insn_template::size, Insn_template::alignment): Handle
10573         THUMB16_SPECIAL_TYPE.
10574         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
10575          Stub_table::update_data_size_and_addralign,
10576          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
10577         definitions.
10578         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
10579         (Stub_table::do_write): Ditto.
10580         (Target_arm::do_relax): Adjust code for changes in Stub_table.
10581
10582 2010-01-08  Ian Lance Taylor  <iant@google.com>
10583
10584         PR 11108
10585         * symtab.h (class Symbol): Remove fields is_target_special_ and
10586         has_plt_offset_.  Add field is_defined_in_discarded_section_.
10587         (Symbol::is_defined_in_discarded_section): New function.
10588         (Symbol::set_is_defined_in_discarded_section): New function.
10589         (Symbol::has_plt_offset): Rewrite.
10590         (Symbol::set_plt_offset): Verify that new offset is not -1U.
10591         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
10592         Don't initialize is_target_special_ or has_plt_offset_.
10593         Initialize is_defined_in_discarded_section_.
10594         (Symbol_table::add_from_relobj): If appropriate, set
10595         is_defined_in_discarded_section.
10596         * resolve.cc (Symbol::override_base_with_special): Don't test
10597         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
10598         * target-reloc.h (relocate_section): Do special handling for
10599         symbols defined in discarded sections for global symbols as well
10600         as local symbols.
10601
10602 2010-01-08  Ian Lance Taylor  <iant@google.com>
10603
10604         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
10605         the SHT_SYMTAB case.
10606
10607 2010-01-08  Ian Lance Taylor  <iant@google.com>
10608
10609         * object.cc (Sized_relobj::do_layout): Don't get confused if
10610         layout_eh_frame returns NULL.
10611
10612 2010-01-08  Ian Lance Taylor  <iant@google.com>
10613
10614         PR 11084
10615         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
10616         dynamic symbol table, use the normal symbol table.
10617         (Sized_dynobj::do_read_symbols): Remove assertion about type of
10618         symbol table.
10619
10620 2010-01-08  Ian Lance Taylor  <iant@google.com>
10621
10622         PR 11072
10623         * layout.cc (Layout::include_section): Remove .gnu_debuglink
10624         sections.
10625
10626 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
10627
10628         * version.cc (print_version): Change to "Copyright 2010".
10629
10630 2010-01-08  Ian Lance Taylor  <iant@google.com>
10631
10632         PR 10287
10633         PR 11063
10634         * i386.cc (class Target_i386): Change return type of plt_section
10635         to be non-const.
10636         (class Output_data_plt_i386): Add tls_desc_rel_ field.
10637         (Output_data_plt_i386::Output_data_plt_i386): Initialize
10638         tls_desc_rel_ field.
10639         (Output_data_plt_i386::rel_tls_desc): New function.
10640         (Target_i386::rel_tls_desc_section): New function.
10641         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
10642         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
10643         R_386_TLS_DESC reloc in rel_tls_desc_section.
10644         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
10645         Define struct Tlsdesc_info.
10646         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
10647         (Target_x86_64::do_reloc_symbol_index): New function.
10648         (Target_x86_64::add_tlsdesc_info): New function.
10649         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
10650         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
10651         tlsdesc_rel_ field.
10652         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
10653         all callers.
10654         (Output_data_plt_x86_64::rela_tlsdesc): New function.
10655         (Target_x86_64::rela_tlsdesc_section): New function.
10656         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
10657         handling.
10658         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
10659         (Target_x86_64::do_reloc_addend): New function.
10660         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
10661         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
10662         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
10663         (Output_reloc::type): New function.
10664         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
10665         (Output_reloc::is_target_specific): New function.
10666         (Output_reloc::target_arg): New function.
10667         (class Output_reloc) [SHT_RELA]: Add four new constructors for
10668         absolute relocs and target specific relocs.
10669         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
10670         add_target_specific.
10671         (class Output_data_reloc) [SHT_RELA]: Likewise.
10672         * output.cc (Output_reloc::Output_reloc): Add four new versions
10673         for absolute relocs and target specific relocs.
10674         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
10675         (Output_reloc::get_symbol_index): Likewise.
10676         (Output_reloc::local_section_offset): Check that local_sym_index_
10677         is not TARGET_CODE or 0.
10678         (Output_reloc::symbol_value): Likewise.
10679         (Output_reloc::write) [SHT_RELA]: Call target for target specific
10680         reloc.
10681         * target.h (class Target): Add reloc_symbol_index and reloc_addend
10682         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
10683         functions.
10684         * layout.cc (add_target_dynamic_tags): Use output section for
10685         DT_PLTRELSZ and DT_JMPREL.
10686
10687 2010-01-07  Ian Lance Taylor  <iant@google.com>
10688
10689         PR 11061
10690         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
10691         function.
10692         (class Output_data_reloc_generic): Define.
10693         (class Output_data_reloc_base): Change base class to
10694         Output_data_reloc_generic.  Change add() method to call
10695         bump_relative_reloc_count for a relative reloc.  Remove
10696         sort_relocs_ field.
10697         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
10698         to sort_relocs().
10699         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
10700         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
10701         appropriate.
10702         * layout.h (class Layout): Update declaration.
10703
10704 2010-01-07  Ian Lance Taylor  <iant@google.com>
10705
10706         * output.h (class Output_data): Add const version of
10707         output_section and do_output_section.
10708         (class Output_section_data): Add const version of
10709         do_output_section.
10710         (class Output_section): Likewise.
10711         * layout.cc (Layout::add_target_dynamic_tags): New function.
10712         * layout.h (class Layout): Update declarations.
10713         * arm.cc (Target_arm::do_finalize_sections): Use
10714         add_target_dynamic_tags.
10715         * i386.cc (Target_i386::do_finalize_sections): Likewise.
10716         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
10717         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
10718         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
10719
10720 2010-01-07  Ian Lance Taylor  <iant@google.com>
10721
10722         PR 11042
10723         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
10724         object as needed.
10725
10726 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
10727             Ian Lance Taylor  <iant@google.com>
10728
10729         PR 11019
10730         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
10731         Xindex::read_symtab_xindex.
10732
10733 2010-01-07  Doug Kwan  <dougkwan@google.com>
10734
10735         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
10736         (Insn_template::thumb16_bcond_insn): New method declaration.
10737         (Insn_template): Fix spelling.
10738         (Stub::thumb16_special): New method declaration.
10739         (Stub::do_write): Define virtual method which was previously pure
10740         virtual.
10741         (Stub::do_thumb16_special): New method declaration.
10742         (Stub::do_fixed_endian_write): New template member.
10743         (Reloc_stub::do_write): Remove.
10744         (Reloc_stub::do_fixed_endian_write): Remove.
10745         (Cortex_a8_stub): New class definition.
10746         (Stub_factory::make_cortex_a8_stub): New method definition.
10747         (Stub_factory::Stub_factory): Add missing static storage class
10748         qualifier for elf32_arm_stub_a8_veneer_blx.
10749
10750 2010-01-07  Ian Lance Taylor  <iant@google.com>
10751
10752         PR 10980
10753         * options.h (class General_options): Add --warn-unresolved-symbols
10754         and --error-unresolved-symbols.
10755         * errors.cc (Errors::undefined_symbol): Implement
10756         --warn-unresolved-symbols.
10757
10758         * options.h (class General_options): Add -z text and -z textoff.
10759         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
10760
10761 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
10762
10763         * gc.h (Garbage_collection::Cident_section_map): New typedef.
10764         (Garbage_collection::cident_sections): New function.
10765         (Garbage_collection::add_cident_section): New function.
10766         (Garbage_collection::cident_sections_): New member.
10767         (gc_process_relocs): Add references to sections whose names are C
10768         identifiers.
10769         * gold.h (cident_section_start_prefix): New constant.
10770         (cident_section_stop_prefix): New constant.
10771         (is_cident): New function.
10772         * layout.cc (Layout::define_section_symbols): Replace string constants
10773         with the newly defined constants.
10774         * object.cc (Sized_relobj::do_layout): Track sections whose names are
10775         C identifiers.
10776         * testsuite/Makefile.am: Add gc_orphan_section_test.
10777         * testsuite/Makefile.in: Regenerate.
10778         * testsuite/gc_orphan_section_test.cc: New file.
10779         * testsuite/gc_orphan_section_test.sh: New file.
10780
10781 2010-01-06  Ian Lance Taylor  <iant@google.com>
10782
10783         PR 10980
10784         * options.h (class General_options): Add --warn-shared-textrel.
10785         * layout.cc (Layout::finish_dynamic_section): Implement
10786         --warn-shared-textrel.
10787
10788         PR 10980
10789         * options.h (class General_options): Add --warn-multiple-gp.
10790
10791 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10792
10793         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
10794         $(THREADSLIB) and $(LIBDL).
10795         * Makefile.in: Rebuild.
10796
10797 2010-01-06  Ian Lance Taylor  <iant@google.com>
10798
10799         PR 10980
10800         * options.cc (General_options::parse_section_start): New function.
10801         (General_options::section_start): New function.
10802         (General_options::General_options): Initialize all members.
10803         * options.h: Include <map>
10804         (class General_options): Add --section-start.  Add section_starts_
10805         member.
10806         * layout.cc (Layout::attach_allocated_section_to_segment): If
10807         --section-start was used, set the address of the segment.  Remove
10808         local sort_sections.
10809         (Layout::relaxation_loop_body): If the address of the load segment
10810         has been set by --section-start, don't use it.
10811         * output.h (Output_segment::update_flags_for_output_section): New
10812         function.
10813         * output.cc (Output_segment::add_output_section): Call
10814         update_flags_for_output_section.
10815
10816 2010-01-05  Ian Lance Taylor  <iant@google.com>
10817
10818         PR 10980
10819         * options.h (class General_options): Add --undefined-version.
10820         * script.cc (struct Version_expression): Add was_matched_by_symbol
10821         field.
10822         (Version_script_info::matched_symbol): New function.
10823         (Version_script_info::get_symbol_version_helper): Call
10824         matched_symbol.
10825         (Version_script_info::check_unmatched_names): New function.
10826         * script.h (class Version_script_info): Update declarations.
10827         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
10828
10829         * options.h (class General_options): Use DEFINE_bool_alias for
10830         allow_multiple_definition.
10831         * resolve.cc (Symbol_table::should_override): Don't test
10832         allow_multiple_definition.
10833
10834         PR 10980
10835         * options.h (class General_options): Add --cref.
10836         * main.cc (main): Print cref table if --cref.  Don't close mapfile
10837         until after printing cref table.
10838         * cref.cc: Include "symtab.h".
10839         (class Cref_inputs): Define Cref_table_compare and Cref_table.
10840         (Cref_table_compare::operator()): New function.
10841         (Cref_inputs::gather_cref): New function.
10842         (filecol): New static const.
10843         (Cref_inputs::print_cref): New function.
10844         (Cref::print_cref): New function.
10845         * cref.h: Include <cstdio>.
10846         (class Cref): Update declarations.
10847         * mapfile.h (Mapfile::file): New function.
10848         * object.h (class Object): Define Symbols.  Declare virtual
10849         do_get_global_symbols.
10850         (Object::get_global_symbols): New function.
10851         * object.cc (Input_objects::add_object): Pass object to cref_ if
10852         --cref.
10853         (Input_objects::archive_start): Likewise.
10854         (Input_objects::archive_stop): Likewise.
10855         (Input_objects::print_cref): New function.
10856         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
10857         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
10858         --cref.
10859         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
10860         function.
10861         * plugin.h (class Sized_pluginobj): Update declarations.
10862
10863 2010-01-05  Ian Lance Taylor  <iant@google.com>
10864
10865         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
10866         to is_default_version.  Rename insdef to insdefault.
10867         (Symbol_table::add_from_relobj): Rename def to is_default_version
10868         and local to is_forced_local.
10869         (Symbol_table::add_from_pluginobj): Likewise.
10870         (Symbol_table::add_from_dynobj): Likewise.
10871         (Symbol_table::define_special_symbol): Rename insdef to
10872         insdefault.
10873
10874 2010-01-04  Ian Lance Taylor  <iant@google.com>
10875
10876         PR 10980
10877         * options.h (class General_options): Add
10878         --allow-multiple-definition and -z muldefs.
10879         * resolve.cc (Symbol_table::should_override): Don't warn about a
10880         multiple symbol definition if --allow-multiple-definition or -z
10881         muldefs.
10882
10883         PR 10980
10884         * options.h (class General_options): Add --add-needed and
10885         --copy-dt-needed-entries.  Tweak --as-needed help entry.
10886         * object.cc (Input_objects::check_dynamic_dependencies): Give an
10887         error if --copy-dt-needed-entries aka --add-needed is used and
10888         would cause a change in behaviour.
10889
10890         PR 10980
10891         * options.h (class General_options): Add -G as a short version of
10892         --shared.  Add no-op options -assert, -g, and -i.
10893
10894 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
10895
10896         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
10897         check for .text or .gnu.linkonce.t sections.
10898         * icf.cc (Icf::find_identical_sections): Ditto.
10899         Change the detection for mangled function name within the section
10900         name.
10901         * icf.h (is_section_foldable_candidate): New function.
10902
10903 2009-12-30  Ian Lance Taylor  <iant@google.com>
10904
10905         PR 10980
10906         * options.h (class General_options): Permit two dashes with
10907         --retain-symbols-file.
10908
10909 2009-12-30  Ian Lance Taylor  <iant@google.com>
10910
10911         PR 10979
10912         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
10913         don't put the file header and segment headers in the text
10914         segment.
10915
10916         PR 10979
10917         * common.cc (Sort_commons::operator()): Stabilize sort when both
10918         entries are NULL.
10919         (Symbol_table::do_allocate_commons_list): When allocating common
10920         symbols, skip a symbol which is no longer common.
10921         * symtab.h (Symbol::is_common): Test whether the symbol comes from
10922         an object before checking its type.
10923         * testsuite/common_test_2.c: New file.
10924         * testsuite/common_test_3.c: New file.
10925         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
10926         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
10927         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
10928         (common_test_2_pic.o, common_test_2.so): New targets.
10929         (common_test_3_pic.o, common_test_3.so): New targets.
10930         * testsuite/Makefile.in: Rebuild.
10931
10932         PR 10979
10933         * script.cc (read_input_script): If we see a new SECTIONS clause,
10934         and we have added an input section, give an error.
10935         * layout.h (class Layout): Add have_added_input_section function.
10936         Add have_added_input_section_ field.
10937         * layout.cc (Layout::Layout): Initialize
10938         have_added_input_section_.
10939         (Layout::layout): Set have_added_input_section_.
10940         (Layout::layout_eh_frame): Likewise.
10941
10942 2009-12-30  Ian Lance Taylor  <iant@google.com>
10943
10944         PR 10931
10945         * options.h (class General_options): Add --sort-common option.
10946         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
10947         * common.cc (Sort_common): Add sort_order parameter to
10948         constructor.  Add sort_order_ field.
10949         (Sort_commons::operator): Check sort_order_.
10950         (Symbol_table::allocate_commons): Determine the sort order.
10951         (Symbol_table::do_allocate_commons): Add sort_order parameter.
10952         Change all callers.
10953         (Symbol_table::do_allocate_commons_list): Likewise.
10954
10955 2009-12-30  Ian Lance Taylor  <iant@google.com>
10956
10957         PR 10916
10958         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
10959         symbols from this object, don't change the visibility of an
10960         undefined symbol.
10961         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
10962
10963 2009-12-30  Ian Lance Taylor  <iant@google.com>
10964
10965         PR 10861
10966         * script.h (class Version_script_info): Define Language enum.
10967         Update declarations.  Define Glob, Exact, and Lookup types.  Add
10968         new fields globals_, locals_, and is_finalized_.
10969         * script.cc: Various formatting fixes.
10970         (class Parser_closure): Change language_stack_ from a vector of
10971         std::string to one of Version_script_info::Language.  Adjust all
10972         uses accordingly.
10973         (class Lazy_demangler): Remove.
10974         (struct Version_expression): Change language from std::string to
10975         Version_script_info::Language.
10976         (Version_script_info::Version_script_info): New function.
10977         (Version_script_info::~Version_script_info): Don't call clear.
10978         (Version_script_info::finalize): New function.
10979         (Version_script_info::build_lookup_tables): New function.
10980         (Version_script_info::build_expression_list_lookup): New
10981         function.
10982         (Version_script_info::get_symbol_version_helper): Rewrite to use
10983         lookup tables.
10984         (Version_script_info::print_expression_list): Adjust to use
10985         Version_script_info::Language.
10986         (script_push_lex_into_version_mode): Check that the version script
10987         has not been finalized.
10988         (version_script_push_lang): Change language string to
10989         Version_script_info::Language.
10990         * options.cc (Command_line::version_script): New function.
10991         * options.h (class General_options): Add finalize_dynamic_list
10992         function.  Change version_script from declaration to definition.
10993         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
10994         * testsuite/version_script.map: Remove duplicate def of foo.
10995         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
10996         version_script.map.
10997         * testsuite/Makefile.in: Rebuild.
10998
10999 2009-12-30  Ian Lance Taylor  <iant@google.com>
11000
11001         PR 10843
11002         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
11003         if the input symbol index is 0, make the output symbol index 0.
11004
11005 2009-12-30  Ian Lance Taylor  <iant@google.com>
11006
11007         PR 10670
11008         * options.h (class General_options): Add -x/--discard-all.
11009         * object.cc (Sized_relobj::do_count_local_symbols): Handle
11010         --discard-all.  If the local symbol needs a dynamic entry, check
11011         that before handling --discard-locals.
11012
11013 2009-12-30  Ian Lance Taylor  <iant@google.com>
11014
11015         PR 10450
11016         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
11017         flags to PF_R.
11018         (Output_segment::add_output_section): Don't change the flags if
11019         the type is PT_TLS.
11020
11021         PR 10450
11022         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
11023         GNU hash table if they need a dynamic value.  Otherwise, don't add
11024         them if they are defined in a dynamic object or are forced local.
11025
11026 2009-12-29  Ian Lance Taylor  <iant@google.com>
11027
11028         PR 10450
11029         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
11030         .gnu.hash table for a 32-bit target.
11031
11032         PR 10450
11033         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
11034         regular and a dynamic object only needs a dynamic symbol table
11035         entry if it is externally visible.
11036
11037         PR 10450
11038         * i386.cc (class Target_i386): Initialize global_offset_table_ in
11039         constructor.  Add global_offset_table_ field.
11040         (Target_i386::got_section): Set global_offset_table_.
11041         (Target_i386::do_finalize_sections): Set global_offset_table_
11042         size.
11043         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
11044         in constructor.  Add global_offset_table_ field.
11045         (Target_x86_64::got_section): Set global_offset_table_.
11046         (Target_x86_64::do_finalize_sections): Set global_offset_table_
11047         size.
11048
11049         * layout.cc (Layout::Layout): Initialize increase_relro_.
11050         (Layout::get_output_section): Add is_relro, is_last_relro, and
11051         is_first_non_relro parameters.  Change all callers.
11052         (Layout::choose_output_section): Likewise.
11053         (Layout::add_output_section_data): Likewise.
11054         (Layout::make_output_section): Likewise.
11055         (Layout::set_segment_offsets): Clear increase_relro when using a
11056         linker script.
11057         * layout.h (class Layout): Add increase_relro method.  Add
11058         increase_relro_ field.  Update declarations.
11059         * output.cc (Output_section::Output_section): Initialize
11060         is_last_relro_ and is_first_non_relro_.
11061         (Output_segment::add_output_section): Group relro sections is
11062         do_sort is true.  Handle is_last_relro and is_first_non_relro.
11063         (Output_segment::maximum_alignment): Remove relro handling.
11064         (Output_segment::set_section_addresses): Add increase_relro
11065         parameter.  Change all callers.  Add initial alignment to align
11066         relro sections on separate page.  Remove old relro handling.
11067         (Output_segment::set_section_list_addresses): Remove in_relro
11068         parameter.  Change all callers.
11069         (Output_segment::set_offset): Add increase parameter.  Change all
11070         callers.  Remove old relro handling.
11071         * output.h (class Output_section): Add new methods: is_last_relro,
11072         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
11073         Add is_last_relro_ and is_first_non_relro_ fields.
11074         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
11075         Create separate .got.plt section.  Call increase_relro.
11076         * x86_64.cc (Target_x86_64::got_section): Likewise.
11077         * testsuite/relro_script_test.t: Add .got.plt.
11078
11079         PR 10450
11080         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
11081         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
11082         (Layout::finalize): Call set_dynamic_symbol_size.
11083         (Layout::set_dynamic_symbol_size): New function.
11084         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
11085         set_dynamic_symbol_size.
11086
11087         PR 10450
11088         * output.h (class Output_section): Add is_entsize_zero_ field.
11089         * output.cc (Output_section::Output_section): Initialize
11090         is_entsize_zero_.
11091         (Output_section::set_entsize): If two different entsizes are
11092         requested, force it to zero.
11093         (Output_section::add_input_section): Set flags for .debug_str
11094         before updating section flags.  Set entsize.
11095         (Output_section::update_flags_for_input_section): Set SHF_MERGE
11096         and SHF_STRING if all input sections have those flags.
11097
11098 2009-12-29   Rafael Espindola  <espindola@google.com>
11099
11100         * main.cc (main): Fix the sys time reporting.
11101         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
11102         reporting.
11103
11104 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
11105
11106         * options.cc (General_options::parse_version): Allow -v to exit
11107         without an error if there is nothing to link.
11108
11109 2009-12-29  Ian Lance Taylor  <iant@google.com>
11110
11111         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
11112         using a version of gcc before 4.1.
11113         * configure: Rebuild.
11114
11115 2009-12-28  Chris Demetriou  <cgd@google.com>
11116
11117         * attributes.cc (Output_attributes_section_data::do_write): Use
11118         std::vector::front rather than std::vector::data.
11119
11120 2009-12-28  Ian Lance Taylor  <iant@google.com>
11121
11122         * symtab.h (class Symbol_table): Add enum Defined.
11123         * resolve.cc (Symbol_table::should_override): Add defined
11124         parameter.  Change all callers.  Test whether object is NULL
11125         before calling a method on it.
11126         (Symbol_table::report_resolve_problem): Add defined parameter.
11127         Change all callers.
11128         (Symbol_table::should_override_with_special): Likewise.
11129         * symtab.cc (Symbol_table::define_in_output_data): Add defined
11130         parameter.  Change all callers.
11131         (Symbol_table::do_define_in_output_data): Likewise.
11132         (Symbol_table::define_in_output_segment): Likewise.
11133         (Symbol_table::do_define_in_output_segment): Likewise.
11134         (Symbol_table::define_as_constant): Likewise.
11135         (Symbol_table::do_define_as_constant): Likewise.
11136         * script.h (class Symbol_assignment): Add is_defsym parameter to
11137         constructor; change all callers.
11138         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
11139         parameter.  Change all callers.  Add is_defsym_ field.
11140         (class Parser_closure): Add parsing_defsym parameter to
11141         constructor; change all callers.  Add parsing_defsym accessor
11142         function.  Add parsing_defsym_ field.
11143
11144 2009-12-28  Ian Lance Taylor  <iant@google.com>
11145
11146         * gold.cc (queue_middle_tasks): Fix formatting.
11147         * object.cc (Relobj::is_section_name_included): Likewise.
11148
11149 2009-12-23  Ian Lance Taylor  <iant@google.com>
11150
11151         * i386.cc (Target_i386::do_calls_non_split): Recognize
11152         -fsplit-stack prologue for a function with a static chain.
11153         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
11154         -fsplit-stack prologue when using %r11.
11155
11156 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
11157
11158         * options.cc (General_options::parse_version): Make -v continue and do
11159         the link like GNU ld does.
11160
11161 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
11162
11163         * Makefile.am (CCFILES): Add timer.cc.
11164         (HFILES): Add timer.h.
11165         * configure.ac: Check for sysconf and times.
11166         * main.cc: include timer.h.
11167         (main): Use Timer instead of get_run_time.
11168         * timer.cc: New.
11169         * timer.h: New.
11170         * workqueue.cc: include timer.h.
11171         (Workqueue::find_and_run_task):
11172         Report user, sys and wall time.
11173         * Makefile.in: Regenerate.
11174         * config.in: Regenerate.
11175         * configure: Regenerate.
11176
11177 2009-12-16  Doug Kwan  <dougkwan@google.com>
11178
11179         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
11180         sections.
11181         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
11182         relaxed input sections.
11183         * output.cc (Output_section::find_relaxed_input_section): Change
11184         return type to Output_relaxed_input_section pointer.  Adjust code
11185         for new type of relaxed_input_section_map_.
11186         * output.h (Output_section::find_relaxed_input_section): Change
11187         return type to Output_relaxed_input_section pointer.
11188         (Output_section::Output_relaxed_input_section_by_input_section_map):
11189         New type.
11190         (Output_section::relaxed_input_section_map_): Change type to
11191         Output_section::Output_relaxed_input_section_by_input_section_map.
11192         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
11193         input section.
11194
11195 2009-12-15  Ian Lance Taylor  <iant@google.com>
11196
11197         * layout.cc (Layout::create_shstrtab): Only write out after input
11198         sections if we are compressing debug sections.
11199
11200 2009-12-15  Ian Lance Taylor  <iant@google.com>
11201
11202         * archive.cc (Archive::add_symbols): Only look up a symbol without
11203         a version if there is, in fact, a version.
11204
11205 2009-12-14  Ian Lance Taylor  <iant@google.com>
11206
11207         Revert -Wshadow changes, all changes from:
11208         2009-12-11  Doug Kwan  <dougkwan@google.com>
11209         2009-12-11  Nick Clifton  <nickc@redhat.com>
11210         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
11211
11212 2009-12-11  Doug Kwan  <dougkwan@google.com>
11213
11214         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
11215         due to -Wshadow.
11216         * attributes.cc (Object_attribute::size): Ditto.
11217         (Attributes_section_data::size): Ditto.
11218         (Attributes_section_data::Attributes_section_data): Ditto.
11219         (Output_attributes_section_data::do_write): Ditto.
11220         * attributes.h (Object_attribute::set_type): Ditto.
11221         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
11222
11223 2009-12-11  Nick Clifton  <nickc@redhat.com>
11224
11225         * archive.cc: Fix shadowed variable warnings.
11226         * arm.cc: Likewise.
11227         * compressed_output.cc: Likewise.
11228         * compressed_output.h: Likewise.
11229         * configure: Likewise.
11230         * dwarf_reader.cc: Likewise.
11231         * dynobj.cc: Likewise.
11232         * dynobj.h: Likewise.
11233         * ehframe.cc: Likewise.
11234         * ehframe.h: Likewise.
11235         * errors.cc: Likewise.
11236         * expression.cc: Likewise.
11237         * fileread.cc: Likewise.
11238         * fileread.h: Likewise.
11239         * freebsd.h: Likewise.
11240         * i386.cc: Likewise.
11241         * icf.cc: Likewise.
11242         * incremental.h: Likewise.
11243         * layout.cc: Likewise.
11244         * layout.h: Likewise.
11245         * mapfile.cc: Likewise.
11246         * merge.cc: Likewise.
11247         * merge.h: Likewise.
11248         * object.cc: Likewise.
11249         * object.h: Likewise.
11250         * options.h: Likewise.
11251         * output.cc: Likewise.
11252         * output.h: Likewise.
11253         * parameters.cc: Likewise.
11254         * plugin.cc: Likewise.
11255         * powerpc.cc: Likewise.
11256         * reduced_debug_output.cc: Likewise.
11257         * reduced_debug_output.h: Likewise.
11258         * reloc.cc: Likewise.
11259         * reloc.h: Likewise.
11260         * resolve.cc: Likewise.
11261         * script-sections.cc: Likewise.
11262         * script.cc: Likewise.
11263         * script.h: Likewise.
11264         * sparc.cc: Likewise.
11265         * symtab.cc: Likewise.
11266         * symtab.h: Likewise.
11267         * target-select.cc: Likewise.
11268         * target-select.h: Likewise.
11269         * token.h: Likewise.
11270         * workqueue.cc: Likewise.
11271         * workqueue.h: Likewise.
11272         * x86_64.cc: Likewise.
11273
11274 2009-12-10  Doug Kwan  <dougkwan@google.com>
11275
11276         * arm.cc (attributes.h): New include.
11277         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
11278         (Arm_relobj::~Arm_relobj): Delete object pointed by
11279         attributes_section_data_.
11280         (Arm_relobj::attributes_section_data): New method definition.
11281         (Arm_relobj::attributes_section_data_): New data member declaration.
11282         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
11283         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
11284         attributes_section_data_.
11285         (Arm_dynobj::attributes_section_data): New method definition.
11286         (Arm_dynobj::attributes_section_data_): New data member declaration.
11287         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
11288         initialization value of may_use_blx_ to false.
11289         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
11290         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
11291         object attributes to compute results instead of hard-coding.
11292         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
11293         Target_arm::get_secondary_compatible_arch,
11294         Target_arm::set_secondary_compatible_arch
11295         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
11296         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
11297         New method declarations.
11298         (Target_arm::get_aeabi_object_attribute): New method definition.
11299         (Target_arm::attributes_section_data_): New data member declaration.
11300         (read_arm_attributes_section): New template definition.
11301         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
11302         (Arm_dynobj::do_read_symbols): Ditto.
11303         (Target_arm::do_finalize_sections): Merge attributes sections from
11304         input.  Check for BLX use after attributes section merging.
11305         Fix __exidx_start and __exidx_end visibility.  Create an
11306         .ARM.attributes section if necessary.
11307         (Target_arm::get_secondary_compatible_arch,
11308         Target_arm::set_secondary_compatible_arch,
11309         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
11310         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
11311         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
11312         New method definitions.
11313
11314 2009-12-09  Ian Lance Taylor  <iant@google.com>
11315
11316         * plugin.cc (Plugin::load): Don't cast from void* to a function
11317         pointer.
11318
11319 2009-12-09  Ian Lance Taylor  <iant@google.com>
11320
11321         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
11322         information fields.
11323
11324 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
11325
11326         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
11327         Replace two_file_shared_1.so with two_file_shared_2.so.
11328         * testsuite/Makefile.in: Regenerated.
11329
11330 2009-12-08  Doug Kwan  <dougkwan@google.com>
11331
11332         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
11333         (HFILES): Add attributes.h and int_encoding.h.
11334         * Makefile.in: Regenerate.
11335         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
11336         function definitions to int_encoding.cc
11337         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
11338         prototypes to int_encoding.h
11339         * reduced_debug_output.cc (int_encoding.h): New include.
11340         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
11341         function definitions to int_encoding.cc
11342         (insert_into_vector, read_from_pointer): Move template definitions to
11343         int_encoding.h
11344         * attributes.cc: New file.
11345         * attributes.h: New file.
11346         * int_encoding.cc: New file.
11347         * int_encoding.h: New file.
11348
11349 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
11350
11351         PR gold/11055
11352         * incremental-dump.cc (dump_incremental_inputs): New.
11353         (main): Use dump_incremental_inputs.
11354
11355 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
11356
11357         PR gold/10893
11358         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
11359         checking elfcpp::STT_FUNC.
11360         (Target_i386::Relocate::relocate): Likewise.
11361         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
11362
11363         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
11364         symbols from shared libraries into normal FUNC symbols.
11365
11366         * symtab.h (Symbol): Add is_func and use it.
11367
11368 2009-12-05  Doug Kwan  <dougkwan@google.com>
11369
11370         * arm.cc (Target_arm::arm_info): Initialize new fields
11371         attributes_section and attributes_vendor.
11372         * i386.cc (Target_i386::i386_info): Same.
11373         * object.cc (Sized_relobj::do_layout): Skip attribute section.
11374         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
11375         fields attributes_section and attributes_vendor.
11376         * sparc.cc (Target_sparc::sparc_info): Same.
11377         * target.h (Target::attributes_section, Target::attributes_vendor,
11378         Target::is_attributes_section, Target::attribute_arg_type,
11379         Target::attributes_order): New method definitions.
11380         (Target::Target_info::attributes_section,
11381         Target::Target_info::attributes_vendor): New fields.
11382         (Target::do_attribute_arg_type, Target::do_attributes_order): New
11383         virtual method definitions.
11384         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
11385         attributes_section and attributes_vendor.
11386         * testsuite/testfile.cc (Target_test::test_target_info): Same.
11387
11388 2009-12-05  Doug Kwan  <dougkwan@google.com>
11389
11390         * arm.cc: Update comments about interworking and stub generation.
11391         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
11392         considered as non-PIC.
11393         (Arm_relocate_functions::base_abs): Fix formatting.
11394         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
11395         of function to use GOT entry address instead of offset.
11396         (Target_arm::Scan::global): Issue an error if a symbol would need a
11397         PLT does not get one because it is untyped.  Remove code to create
11398         dynamic symbols for relative branches.
11399         (Target_arm::Relocate::relocate: Use 0 instead of false since function
11400         takes unsigned integer instead of boolean.
11401
11402 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
11403
11404         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
11405         (two_file_test_LDADD): Likewise.
11406         (common_test_1_LDADD): Likewise.
11407         (exception_test_LDADD) Likewise.
11408         (weak_test_LDADD): Likewise.
11409         (many_sections_test_LDADD): Likewise.
11410         (initpri1_LDADD): Likewise.
11411         (script_test_1_LDADD): Likewise.
11412         (script_test_2_LDADD): Likewise.
11413         (justsyms_LDADD): Likewise.
11414         (binary_test_LDADD): Likewise.
11415         (large_LDADD): Likewise.
11416         * testsuite/Makefile.in: Regenerated.
11417
11418 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
11419
11420         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
11421         (Symbol_table::override_with_special): Likewise.
11422         (Symbol_table::add_from_object): Likewise.
11423
11424 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
11425
11426         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
11427         Don't set the data_offset twice.
11428
11429 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
11430
11431         * testsuite/Makefile.in: Regenerate.
11432
11433 2009-12-03  Doug Kwan  <dougkwan@google.com>
11434
11435         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
11436         (Target_arm::do_finalize_sections): Add parameter for symbol table
11437         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
11438         * i386.cc (Target_i386::do_finalize_sections): Add an additional
11439         parameter for symbol table pointer.
11440         * layout.cc (Layout::finalize): Call Target::finalize_sections with
11441         an additional parameter for a pointer to symbol table.
11442         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
11443         parameter for a symbol table pointer.
11444         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
11445         * target.h (Target::finalize_sections, Target::do_finalize_sections):
11446         Ditto.
11447         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
11448         parameter for a symbol table pointer.
11449
11450 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
11451
11452         * incremental.cc (Incremental_inputs_header)
11453         (Incremental_inputs_header_write, Incremental_inputs_entry)
11454         (Incremental_inputs_entry_write): Move ...
11455         * incremental.h (Incremental_inputs_header)
11456         (Incremental_inputs_header_write, Incremental_inputs_entry)
11457         (Incremental_inputs_entry_write): here.
11458
11459 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
11460
11461         * incremental.cc (make_sized_incremental_binary): Set the target.
11462         Error if it is incompatible.
11463         * output.h (Output_file): Add filename method.
11464
11465 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
11466
11467         * incremental.cc (Incremental_inputs_entry): Remove unused argument
11468         from the get_* methods.
11469
11470 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
11471
11472         * incremental-dump.cc (main): Check that the offeset of a script is 0.
11473         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
11474         Write 0 for the data_offset of scripts.
11475
11476 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
11477
11478         * testsuite/Makefile.am: Add the incremental_test.sh test.
11479         * testsuite/incremental_test.sh: New.
11480         * testsuite/incremental_test_1.c: New.
11481         * testsuite/incremental_test_2.c: New.
11482
11483 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
11484
11485         * incremental-dump.cc (main): Fix typos.
11486
11487 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
11488
11489         PR gold/11025
11490         * incremental-dump.cc (main): Use llu to print 64 bit values.
11491
11492 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
11493             H.J. Lu  <hongjiu.lu@intel.com>
11494
11495         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
11496         $(LIBDL).
11497         (incremental_dump_LDADD): Likewise.
11498         * Makefile.in: Regenerated.
11499
11500 2009-11-25  Doug Kwan  <dougkwan@google.com>
11501
11502         Revert:
11503
11504         2009-11-25  Doug Kwan  <dougkwan@google.com>
11505
11506                 * arm.cc (Target_arm::Target_arm): Move method definition
11507                 outside of class definition.  Add code to handle
11508                 --target1-rel, --target1-abs and --target2= options.
11509                 (Target_arm::get_reloc_reloc_type): Change method to be
11510                 non-static and const.
11511                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
11512                 New data member declaration.
11513                 (Target_arm::Scan::local, Target_arm::Scan::global,
11514                 Target_arm::Relocate::relocate,
11515                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
11516                 Adjust call to Target_arm::get_real_reloc_type.
11517                 (Target_arm::get_real_reloc_type): Use command line options
11518                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
11519                 * options.h (--target1-rel, --target1-abs, --target2): New
11520                 ARM-only options.
11521
11522 2009-11-25  Doug Kwan  <dougkwan@google.com>
11523
11524         * arm.cc (Target_arm::Target_arm): Move method definition outside of
11525         class definition.  Add code to handle --target1-rel, --target1-abs
11526         and --target2= options.
11527         (Target_arm::get_reloc_reloc_type): Change method to be non-static
11528         and const.
11529         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
11530         member declaration.
11531         (Target_arm::Scan::local, Target_arm::Scan::global,
11532         Target_arm::Relocate::relocate,
11533         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
11534         call to Target_arm::get_real_reloc_type.
11535         (Target_arm::get_real_reloc_type): Use command line options to
11536         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
11537         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
11538         options.
11539
11540 2009-11-25  Doug Kwan  <dougkwan@google.com>
11541
11542         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
11543         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
11544         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
11545         formatting.
11546         (Arm_relocate_functions::thm_call): Replace body with a call to
11547         Arm_relocate_functions::thumb_branch_common.
11548         (Arm_relocate_functions::thm_jump24,
11549         Arm_relocate_functions::thm_xpc22): New method definitions.
11550         (Arm_relocate_functions::thumb_branch_common): New method definition.
11551         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
11552         operator.
11553         (Target_arm::Relocate::relocate): Adjust call to thm_call.
11554         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
11555
11556 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
11557
11558         * Makefile.am: Build incremental-dump
11559         * Makefile.in: Regenerate.
11560         * incremental-dump.cc: New.
11561         * incremental.cc (Incremental_inputs_header_data,
11562         Incremental_inputs_entry_data): Move to incremental.h
11563         * incremental.h: (Incremental_inputs_header_data,
11564         Incremental_inputs_entry_data): Move from incremental.cc
11565
11566 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
11567
11568         * incremental.cc (Incremental_inputs_header,
11569         Incremental_inputs_header_write, Incremental_inputs_entry,
11570         Incremental_inputs_entry_write): Add a typedef with the data type.
11571
11572 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
11573
11574         * incremental.cc (Incremental_inputs_header,
11575         Incremental_inputs_header_write, Incremental_inputs_entry,
11576         Incremental_inputs_entry_write): Update comment about which
11577         type has the filed descriptions.
11578
11579 2009-11-15  Doug Kwan  <dougkwan@google.com>
11580
11581         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
11582         (Arm_relocate_functions::arm_branch_common): Change method defintion
11583         in class definition to a method declaration and update list of formal
11584         parameters.
11585         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
11586         Arm_relocation_functions::jump24): Adjust call to
11587         Arm_relocate_functions::arm_branch_common.  Update list of formal
11588         parameters.
11589         (Arm_relocate_functions::xpc25): New method definition.
11590         (Arm_relocate_functions::arm_branch_common): Move method defintion
11591         out from class definition.  Use stubs for mode-switching and extending
11592         branch ranges.
11593         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
11594         specially.  Change code to enable use of stubs in ARM branches.
11595
11596 2009-11-10  Doug Kwan  <dougkwan@google.com>
11597
11598         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
11599         in method declaration.
11600         (Target_arm::relocate_stub): New method declaration.
11601         (Target_arm::default_target): Change to return a pointer instead of
11602         a const reference.
11603         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
11604         Target_arm::default_target.
11605         (Arm_Relobj::do_relocate_sections): Remove options paramater in
11606         method definition.
11607         (Target_arm::relocate_section): Adjust view.
11608         (Target_arm::relocate_stub): New method definition.
11609
11610 2009-11-10  Doug Kwan  <dougkwan@google.com>
11611
11612         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
11613         a format warning.
11614         * incremental.cc (open_incremental_binary): Initialized local
11615         variables to avoid warnings.
11616         * object.cc (make_elf_object): Ditto.
11617         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
11618         a format warning.
11619
11620 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
11621
11622         PR gold/10930
11623         * testsuite/plugin_test.c: Include "config.h".
11624
11625 2009-11-09  Doug Kwan  <dougkwan@google.com>
11626
11627         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
11628         (arm_symbol_value): Remove.
11629         (Arm_relocate_functions::arm_branch_common,
11630         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
11631         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
11632         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
11633         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
11634         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
11635         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
11636         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
11637         Arm_relocate_functions::thm_mobw_abs_nc,
11638         Arm_relocate_functions::thm_mov_abs,
11639         Arm_relocate_functions::movw_prel_nc,
11640         Arm_relocate_functions::thm_movt_abs,
11641         Arm_relocate_functions::movt_prel,
11642         Arm_relocate_functions::thm_movw_prel_nc,
11643         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
11644         (Target_arm::Relocate::relocate): Only decompose address into two
11645         parts if relocation type uses the thumb-bit and pass the actual
11646         bit instead of a flag indicating that the thumb-bit is used.  Adjust
11647         calls to methods in Arm_relocate_functions for this change.
11648
11649 2009-11-08  Ian Lance Taylor  <iant@google.com>
11650
11651         PR 10925
11652         * reloc.cc: Instantiate
11653         Sized_relobj::initialize_input_to_output_maps and
11654         Sized_relobj:free_input_to_output_maps.
11655
11656 2009-11-06  Ian Lance Taylor  <iant@google.com>
11657
11658         PR 10876
11659         * defstd.cc (in_segment): Set only_if_ref true for "end".
11660
11661 2009-11-06  Doug Kwan  <dougkwan@google.com>
11662
11663         * arm.cc (class Reloc_stub): Correct a comment.
11664         (Target_arm::Target_arm): Initialize arm_input_section_map_.
11665         (Target_arm::scan_section_for_stubs): New method declaration.
11666         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
11667         Change methods from private to protected.
11668         (Target_arm::do_may_relax): New method definition.
11669         (Target_arm::do_relax, Target_arm::group_sections,
11670         Target_arm::scan_reloc_for_stub,
11671         Target_arm::scan_reloc_section_for_stubs): New method declarations.
11672         (Target_arm::arm_input_section_map_): New data member declaration.
11673         (Target_arm::scan_reloc_for_stub,
11674         Target_arm::scan_reloc_section_for_stubs,
11675         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
11676         Target_arm::do_relax): New method definitions.
11677
11678 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
11679
11680         * configure.ac: Check for (struct stat)::st_mtim
11681         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
11682         * config.in: Regenerate.
11683         * configure: Regenerate.
11684
11685 2009-11-05  Ian Lance Taylor  <iant@google.com>
11686
11687         PR 10910
11688         * output.cc (Output_segment::add_output_section): Add missing
11689         return statement.
11690
11691 2009-11-04  Ian Lance Taylor  <iant@google.com>
11692
11693         PR 10880
11694         * object.h (class Object): Add is_needed and set_is_needed
11695         methods.  Add is_needed_ field.  Make bool fields into bitfields.
11696         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
11697         defined in a dynamic object and referenced by a regular object,
11698         set is_needed for the dynamic object.
11699         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
11700         if the file is marked with as_needed and it is not needed.
11701
11702 2009-11-04  Ian Lance Taylor  <iant@google.com>
11703
11704         PR 10887
11705         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
11706         tags if data is discarded by linker script.
11707         * i386.cc (Target_i386::do_finalize_sections): Likewise.
11708         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
11709         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
11710         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
11711
11712 2009-11-04  Ian Lance Taylor  <iant@google.com>
11713
11714         * layout.cc (Layout::get_output_section): Add is_interp and
11715         is_dynamic_linker_section parameters.  Change all callers.
11716         (Layout::choose_output_section): Likewise.
11717         (Layout::make_output_section): Likewise.
11718         (Layout::add_output_section_data): Add is_dynamic_linker_section
11719         parameter.  Change all callers.
11720         * layout.h (class Layout): Update declarations.
11721         * output.h (class Output_section): Add is_interp, set_is_interp,
11722         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
11723         Add is_interp_, is_dynamic_linker_section_ fields.  Change
11724         generate_code_fills_at_write_ to a bitfield.
11725         * output.cc (Output_section::Output_sections): Initialize new
11726         fields.
11727         (Output_segment::add_output_section): Add do_sort parameter.
11728         Change all callers.
11729
11730 2009-11-03  Ian Lance Taylor  <iant@google.com>
11731
11732         PR 10860
11733         * options.h (class General_options): Add --warn-common.
11734         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
11735         merging two common symbols.
11736         (Symbol_table::should_override): Handle --warn-common when merging
11737         a common symbol with a defined symbol.  Use report_resolve_problem
11738         for multiple definitions.
11739         (Symbol_table::report_resolve_problem): New function.
11740         * symtab.h (class Symbol_table): Declare report_resolve_problem.
11741
11742 2009-11-03  Doug Kwan  <dougkwan@google.com>
11743
11744         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
11745         stub_factory_.
11746         (Target_arm::stub_factory): New method definition.
11747         (Target_arm::new_arm_input_section,
11748         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
11749         Target_arm::reloc_uses_thumb_bit): New method declarations.
11750         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
11751         New type definitions.
11752         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
11753         member declarations.
11754         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
11755         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
11756         New method definitions.
11757
11758 2009-11-03  Ian Lance Taylor  <iant@google.com>
11759
11760         * options.h (class General_options): Add --warn_constructors.
11761
11762 2009-11-03  Ian Lance Taylor  <iant@google.com>
11763
11764         PR 10893
11765         * defstd.cc (in_section): Add entries for __rel_iplt_start,
11766         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
11767
11768 2009-11-03  Ian Lance Taylor  <iant@google.com>
11769
11770         PR 10895
11771         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
11772         --msgid-bugs-address.
11773         (install-pdf): New target.
11774         (install-data_yes): Look up one directory to find mkinstalldirs.
11775
11776 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
11777
11778         * po/Make-in (.po.gmo): Don't generate .gmo files in source
11779         tree.
11780
11781 2009-10-30  Doug Kwan  <dougkwan@google.com>
11782
11783         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
11784
11785 2009-10-30  Doug Kwan  <dougkwan@google.com>
11786
11787         * arm.cc (Stub_addend_reader): New struct template definition
11788         and partial specializations.
11789         (Stub_addend_reader::operator()): New method definition for a
11790         partially specialized template.
11791
11792 2009-10-30  Doug Kwan  <dougkwan@google.com>
11793
11794         * arm.cc (Arm_relobj::processor_specific_flags): New method
11795         definition.
11796         (Arm_relobj::do_read_symbols): New method declaration.
11797         (Arm_relobj::processor_specific_flags_): New data member declaration.
11798         (Arm_dynobj): New class definition.
11799         (Target_arm::do_finalize_sections): Add input_objects parameter.
11800         (Target_arm::do_adjust_elf_header): New method declaration.
11801         (Target_arm::are_eabi_versions_compatible,
11802         (Target_arm::merge_processor_specific_flags): New method declaration.
11803         (Target_arm::do_make_elf_object): New overloaded method definitions
11804         and declaration.
11805         (Arm_relobj::do_read_symbols): New method definition.
11806         (Arm_dynobj::do_read_symbols): Ditto.
11807         (Target_arm::do_finalize_sections): Add input_objects parameters.
11808         Merge processor-specific flags from all input objects.
11809         (Target_arm::are_eabi_versions_compatible,
11810         Target_arm::merge_processor_specific_flags,
11811         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
11812         New method definitions.
11813         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
11814         Input_objects pointer type parameter.
11815         * layout.cc (Layout::finalize): Pass input objects to target's.
11816         finalize_sections function.
11817         * output.cc (Output_file_header::do_sized_write): Set ELF file
11818         header's processor-specific flags.
11819         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
11820         Input_objects pointer type parameter.
11821         * sparc.cc (Target_sparc::do_finalize_sections): Same.
11822         * target.h (Input_objects): New forward class declaration.
11823         (Target::processor_specific_flags,
11824         Target::are_processor_specific_flags_sect): New method definitions.
11825         (Target::finalize_sections): Add input_objects parameter.
11826         (Target::Target): Initialize processor_specific_flags_ and
11827         are_processor_specific_flags_set_.
11828         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
11829         parameter.
11830         (Target::set_processor_specific_flags): New method definition.
11831         (Target::processor_specific_flags_,
11832         Target::are_processor_specific_flags_set_): New data member
11833         declarations.
11834         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
11835         Input_objects pointer type parameter.
11836
11837 2009-10-30  Doug Kwan  <dougkwan@google.com>
11838
11839         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
11840
11841 2009-10-28  Ian Lance Taylor  <iant@google.com>
11842
11843         * object.h (class Relobj): Drop options parameter from
11844         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
11845         do_scan_relocs, do_relocate.  Change all callers.
11846         (class Sized_relobj): Drop options parameters from
11847         do_gc_process_relocs, do_scan_relocs, do_relocate,
11848         do_relocate_sections, relocate_sections, emit_relocs_scan,
11849         emit_relocs_scan_reltype.  Change all callers.
11850         (struct Relocate_info): Remove options field and all references to
11851         it.
11852         * reloc.h (class Read_relocs): Remove options constructor
11853         parameter and options_ field.  Change all callers.
11854         (class Gc_process_relocs, class Scan_relocs): Likewise.
11855         (class Relocate_task): Likewise.
11856         * target-reloc.h (scan_relocs): Remove options parameter.  Change
11857         all callers.
11858         (scan_relocatable_relocs): Likewise.
11859         * target.h (class Sized_target): Remove options parameter from
11860         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
11861         all callers.
11862         * gc.h (gc_process_relocs): Remove options parameter.  Change all
11863         callers.
11864         * arm.cc: Update functions to remove options parameters.
11865         * i386.cc: Likewise.
11866         * powerpc.cc: Likewise.
11867         * sparc.cc: Likewise.
11868         * x86_64.cc: Likewise.
11869         * testsuite/testfile.cc: Likewise.
11870
11871 2009-10-28  Doug Kwan  <dougkwan@google.com>
11872
11873         * arm.cc (Arm_relobj): New class definition.
11874         (Arm_relobj::scan_sections_for_stubs,
11875         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
11876         New method definitions.
11877
11878 2009-10-28  Cary Coutant  <ccoutant@google.com>
11879
11880         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
11881         (Plugin::cleanup_done_): New member.
11882         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
11883         (Plugin_manager::cleanup_done_): Remove.
11884         (Plugin_manager::add_input_file): Edit error message.
11885         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
11886         (Plugin_manager::cleanup): Remove use of cleanup_done_.
11887
11888 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
11889
11890         * fileread.cc: (File_read::View::~View): Use the new
11891         data_ownership_ filed.
11892         (File_read::~File_read): Dispose the new whole_file_view_.
11893         (File_read::open): Mmap the whole file if needed.
11894         (File_read::open): Use whole_file_view_ instead of contents_.
11895         (File_read::find_view): Use whole_file_view_ if applicable.
11896         (File_read::do_read): Use whole_file_view_ instead of contents_.
11897         (File_read::make_view): Use whole_file_view_ instead of contents_,
11898         update File_read::View::View call.
11899         (File_read::find_or_make_view): Update File_read::View::View
11900         call.
11901         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
11902         remove contents_
11903         (File_read::View::Data_ownership): New enum.
11904         (File_read::View::View): Replace bool mapped_ with Data_ownership
11905         argument.
11906         (File_read::View::mapped_): Remove (replaced by data_ownership_).
11907         (File_read::View::data_ownership_): New field.
11908         (File_read::contents_): Remove (replaced by whole_file_view_).
11909         (File_read::whole_file_view_): New field.
11910         * options.h (class General_options): Add --keep-files-mapped.
11911
11912 2009-10-27  Cary Coutant  <ccoutant@google.com>
11913
11914         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
11915         * testsuite/Makefile.am (plugin_test_5): New test case.
11916         * testsuite/Makefile.in: Regenerate.
11917
11918 2009-10-25  Doug Kwan  <dougkwan@google.com>
11919
11920         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
11921         from private to protected to allow access by child class.
11922         (Sized_relobj::do_relocate_sections): New method declaration.
11923         (Sized_relobj::relocate_sections): Virtualize.
11924         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
11925         Sized_relobj::relocate_sections.  Instantiate template explicitly
11926         for different target sizes and endianity.
11927
11928 2009-10-24  Doug Kwan  <dougkwan@google.com>
11929
11930         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
11931         (Arm_input_section::as_arm_input_section): New method.
11932         (Arm_output_section): New class definition.
11933         (Arm_output_section::create_stub_group,
11934         Arm_output_section::group_sections): New method definitions.
11935
11936 2009-10-22  Doug Kwan  <dougkwan@google.com>
11937
11938         * arm.cc (Arm_input_section): New class definition.
11939         (Arm_input_section::init, Arm_input_section:do_write,
11940         Arm_input_section::set_final_data_size,
11941         Arm_input_section::do_reset_address_and_file_offset): New method
11942         definitions.
11943
11944 2009-10-21  Doug Kwan  <dougkwan@google.com>
11945
11946         * arm.cc (Stub_table, Arm_input_section): New forward class
11947         declarations.
11948         (Stub_table): New class defintion.
11949         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
11950         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
11951         New method definition.
11952
11953 2009-10-21  Doug Kwan  <dougkwan@google.com>
11954
11955         * arm.cc: Update copyright comments.
11956         (Target_arm): New forward class template declaration.
11957         (Arm_address): New type.
11958         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
11959         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
11960         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
11961         constants.
11962         (Insn_template): Same.
11963         (DEF_STUBS): New macro.
11964         (Stub_type): New enum type.
11965         (Stub_template): New class definition.
11966         (Stub): Same.
11967         (Reloc_stub): Same.
11968         (Stub_factory): Same.
11969         (Target_arm::Target_arm): Initialize may_use_blx_ and
11970         should_force_pic_veneer_.
11971         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
11972         Target_arm::should_force_pic_veneer,
11973         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
11974         Target_arm::using_thumb_only, Target_arm:;default_target): New
11975         method defintions.
11976         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
11977         New data member declarations.
11978         (Insn_template::size, Insn_template::alignment): New method defintions.
11979         (Stub_template::Stub_template): New method definition.
11980         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
11981         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
11982         (Stub_factory::Stub_factory): New method definition.
11983         * gold.h (string_hash): New template.
11984         * output.h (Input_section_specifier::hash_value): Use
11985         gold::string_hash.
11986         (Input_section_specifier::string_hash): Remove.
11987         * stringpool.cc (Stringpool_template::string_hash): Use
11988         gold::string_hash.
11989
11990 2009-10-20  Doug Kwan  <dougkwan@google.com>
11991
11992         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
11993         symbols of relaxed input sections.
11994         * output.h (Output_section::find_relaxed_input_section): Make
11995         method public.
11996
11997 2009-10-16  Doug Kwan  <dougkwan@google.com>
11998
11999         * dynobj.cc (Versions::Versions): Initialize version_script_.
12000         Only insert base version symbol definition for a shared object
12001         if version script defines any version versions.
12002         (Versions::define_base_version): New method definition.
12003         (Versions::add_def): Check that base version is not needed.
12004         (Versions::add_need): Define base version lazily.
12005         * dynobj.h (Versions::define_base_version): New method declaration.
12006         (Versions::needs_base_version_): New data member declaration.
12007         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
12008         (check_DATA): Add no_version_test.stdout.
12009         (libno_version_test.so, no_version_test.o no_version_test.stdout):
12010         New make rules.
12011         * testsuite/Makefile.in: Regenerate.
12012         * testsuite/no_version_test.c: New file.
12013         * testsuite/no_version_test.sh: Ditto.
12014
12015 2009-10-16  Doug Kwan  <dougkwan@google.com>
12016
12017         * expression.cc (class Segment_start_expression): New class definition.
12018         (Segment_start_expression::value): New method definition.
12019         (script_exp_function_segment_start): Return a new
12020         Segment_start_expression.
12021         * gold/script-c.h (script_saw_segment_start_expression): New function
12022         prototype.
12023         * script-sections.cc (Script_sections::Script_sections): Initialize
12024         SAW_SEGMENT_START_EXPRESSION_ to false.
12025         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
12026         and -Tbbs options to specify section addresses if given in
12027         command line and no SEGMENT_START expression is seen in a script.
12028         * script-sections.h (Script_sections::saw_segment_start_expression,
12029         Script_sections::set_saw_segment_start_expression): New method
12030         definition.
12031         (Script_sections::saw_segment_start_expression_): New data member
12032         declaration.
12033         * script.cc (script_saw_segment_start_expression): New function.
12034         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
12035         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
12036         script_test_7.sh and script_test_8.sh.
12037         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
12038         script_test_8.stdout.
12039         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
12040         (script_test_6, script_test_6.stdout, script_test_7,
12041         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
12042         * Makefile.in: Regenerate.
12043         * testsuite/script_test_6.sh: New file.
12044         * testsuite/script_test_6.t: Same.
12045         * testsuite/script_test_7.sh: Same.
12046         * testsuite/script_test_7.t: Same.
12047         * testsuite/script_test_8.sh: Same.
12048
12049 2009-10-16  Doug Kwan  <dougkwan@google.com>
12050
12051         * output.cc (Output_segment::set_section_list_address): Cast
12052         expressions to unsigned long long type to avoid format warnings.
12053
12054 2009-10-15  Ian Lance Taylor  <iant@google.com>
12055
12056         * script.cc (Script_options::add_symbol_assignment): Always add a
12057         dot assignment to script_sections_.
12058         * script-sections.cc (Script_sections::add_dot_assignment):
12059         Initialize if necessary.
12060
12061         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
12062         program headers with no load segment if there is a linker script.
12063
12064         * layout.cc (Layout::set_segment_offsets): Align the file offset
12065         to the segment aligment for -N or -n with no load segment.
12066         * output.cc (Output_segment::add_output_section): Don't crash if
12067         the first section is a TLS section.
12068         (Output_segment::set_section_list_addresses): Print an error
12069         message if the address moves backward in a linker script.
12070         * script-sections.cc
12071         (Output_section_element_input::set_section_addresses): Don't
12072         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
12073         (Orphan_output_section::set_section_addresses): Likewise.
12074
12075 2009-10-15  Doug Kwan  <dougkwan@google.com>
12076
12077         * layout.cc (Layout::finish_dynamic_section): Generate tags
12078         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
12079         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
12080         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
12081
12082 2009-10-14  Ian Lance Taylor  <iant@google.com>
12083
12084         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
12085         fields.
12086         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
12087         data_shdr fields of relinfo.
12088         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
12089         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
12090         R_386_TLS_LDO_32, adjust based on section flags.
12091         (Target_i386::Relocate::fix_up_ldo): Remove.
12092
12093 2009-10-13  Ian Lance Taylor  <iant@google.com>
12094
12095         Add support for -pie.
12096         * options.h (class General_options): Add -pie and
12097         --pic-executable.
12098         (General_options::output_is_position_independent): Test -pie.
12099         (General_options::output_is_executable): Return true if not shared
12100         and not relocatable.
12101         (General_options::output_is_pie): Remove.
12102         * options.cc (General_options::finalize): Reject incompatible uses
12103         of -pie.
12104         * gold.cc (queue_middle_tasks): A -pie link is not static.
12105         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
12106         * symtab.cc (Symbol::final_value_is_known): Return false if
12107         output_is_position_independent.
12108         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
12109         output_is_position_independent.
12110         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
12111         output_is_position_independent.
12112         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
12113         output_is_position_independent.
12114         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
12115         two_file_pie_test.
12116         (basic_pie_test.o, basic_pie_test): New targets.
12117         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
12118         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
12119         (two_file_pie_test): New target.
12120         * testsuite/Makefile.in: Rebuild.
12121         * README: Remove note saying that -pie is not supported.
12122
12123 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
12124
12125         * options.h (class General_options): Add -init and -fini.
12126         * layout.cc (Layout::finish_dynamic_section): Emit
12127         given init and fini functions.
12128
12129 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
12130
12131         * gc.h (gc_process_relocs): Check if icf is enabled using new
12132         function.
12133         * gold.cc (queue_initial_tasks): Likewise.
12134         (queue_middle_tasks): Likewise.
12135         * object.cc (do_layout): Likewise.
12136         * symtab.cc (is_section_folded): Likewise.
12137         * main.cc (main): Likewise.
12138         * reloc.cc (Read_relocs::run): Likewise.
12139         (Sized_relobj::do_scan_relocs): Likewise.
12140         * icf.cc (is_function_ctor_or_dtor): New function.
12141         (Icf::find_identical_sections): Check if function is ctor or dtor when
12142         safe icf is chosen.
12143         * options.h (General_options::icf): Change option to be an enum.
12144         (Icf_status): New enum.
12145         (icf_enabled): New method.
12146         (icf_safe_folding): New method.
12147         (set_icf_status): New method.
12148         (icf_status_): New variable.
12149         * (options.cc) (General_options::finalize): Set icf_status_.
12150         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
12151         icf_test and icf_keep_unique_test to use the --icf enum flag.
12152         * testsuite/icf_safe_test.sh: New file.
12153         * testsuite/icf_safe_test.cc: New file.
12154
12155 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
12156
12157         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
12158         includes to gc.h and icf.h.
12159         * arm.cc: Include gc.h.
12160         * gold.cc: Likewise.
12161         * i386.cc: Likewise.
12162         * powerpc.cc: Likewise.
12163         * sparc.cc: Likewise.
12164         * x86_64.cc: Likewise.
12165         * gc.h: Include icf.h.
12166
12167 2009-10-11  Ian Lance Taylor  <iant@google.com>
12168
12169         * plugin.cc: Include "gold.h" before other header files.
12170
12171 2009-10-10  Chris Demetriou  <cgd@google.com>
12172
12173         * options.h (Input_file_argument::Input_file_type): New enum.
12174         (Input_file_argument::is_lib_): Replace with...
12175         (Input_file_argument::type_): New member.
12176         (Input_file_argument::Input_file_argument): Take Input_file_type
12177         'type' rather than boolean 'is_lib' as second argument.
12178         (Input_file_argument::is_lib): Use type_.
12179         (Input_file_argument::is_searched_file): New function.
12180         (Input_file_argument::may_need_search): Handle is_searched_file.
12181         * options.cc (General_options::parse_library): Support -l:filename.
12182         (General_options::parse_just_symbols): Update for Input_file_argument
12183         changes.
12184         (Command_line::process): Likewise.
12185         * archive.cc (Archive::get_file_and_offset): Likewise.
12186         * plugin.cc (Plugin_manager::release_input_file): Likewise.
12187         * script.cc (read_script_file, script_add_file): Likewise.
12188         * fileread.cc (Input_file::Input_file): Likewise.
12189         (Input_file::will_search_for): Handle is_searched_file.
12190         (Input_file::open): Likewise.
12191         * readsyms.cc (Read_symbols::get_name): Likewise.
12192         * testsuite/Makefile.am (searched_file_test): New test.
12193         * testsuite/Makefile.in: Regenerate.
12194         * testsuite/searched_file_test.cc: New file.
12195         * testsuite/searched_file_test_lib.cc: New file.
12196
12197 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12198             Ian Lance Taylor  <iant@google.com>
12199
12200         * descriptor.cc: Include <cstdio> and "binary-io.h".
12201         (Descriptors::open): Open the files in binary mode always.
12202         * script.cc (Lex::get_token): Treat \r as whitespace.
12203
12204 2009-10-09  Ian Lance Taylor  <iant@google.com>
12205
12206         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
12207
12208 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12209             Ian Lance Taylor  <iant@google.com>
12210
12211         * configure.ac: Check for readv function also.
12212         * fileread.cc (readv): Define if not HAVE_READV.
12213         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
12214         does not exist.
12215         * config.in: Regenerate.
12216         * configure: Regenerate.
12217
12218 2009-10-09  Doug Kwan  <dougkwan@google.com>
12219
12220         * layout.cc (Layout::make_output_section): Call target hook to make
12221         ordinary output section.
12222         (Layout::finalize): Adjust parameter list of call the
12223         Target::may_relax().
12224         * layout.h (class Layout::section_list): New method.
12225         * merge.h (Output_merge_base::entsize): Change visibility to public.
12226         (Output_merge_base::is_string, Output_merge_base::do_is_string):
12227         New methods.
12228         (Output_merge_string::do_is_string): New method.
12229         * object.cc (Sized_relobj::do_setup): renamed from
12230         Sized_relobj::set_up.
12231         * object.h (Sized_relobj::adjust_shndx,
12232         Sized_relobj::initializ_input_to_output_maps,
12233         Sized_relobj::free_input_to_output_maps): Change visibilities to
12234         protected.
12235         (Sized_relobj::setup): Virtualize.
12236         (Sized_relobj::do_setup): New method declaration.
12237         (Sized_relobj::invalidate_section_offset,
12238         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
12239         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
12240         * options.cc (parse_int): New function.
12241         * options.h (parse_int): New declaration.
12242         (DEFINE_int): New macro.
12243         (stub_group_size): New option.
12244         * output.cc (Output_section::Output_section): Initialize memebers
12245         merge_section_map_, merge_section_by_properties_map_,
12246         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
12247         (Output_section::add_input_section): Handled deferred code-fill
12248         generation and remove an old comment.
12249         (Output_section::add_relaxed_input_section): New method definition.
12250         (Output_section::add_merge_input_section): Use merge section by
12251         properties map to speed to search.  Update merge section maps
12252         as appropriate.
12253         (Output_section::build_relaxation_map): New method definition.
12254         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
12255         Same.
12256         (Output_section::relax_input_section): Renamed to
12257         Output_section::convert_input_sections_to_relaxed_sections and change
12258         interface to take a vector of pointers to relaxed sections.
12259         (Output_section::find_merge_section,
12260         Output_section::find_relaxed_input_section): New method definitions.
12261         (Output_section::is_input_address_mapped,
12262         Output_section::output_offset, Output_section::output_address):
12263         Use output section data maps to speed up searching.
12264         (Output_section::find_starting_output_address): Add comments.
12265         (Output_section::do_write,
12266         Output_section::write_to_postprocessing_buffer): Do code-fill
12267         generation as appropriate.
12268         (Output_section::get_input_sections): Invalidate relaxed input section
12269         map.
12270         (Output_section::restore_states): Adjust type of checkpoint .
12271         Invalidate relaxed input section map.
12272         * output.h (Output_merge_base): New class declaration.
12273         (Input_section_specifier): New class defintion.
12274         (class Output_relaxed_input_section) Change base class to
12275         Output_section_data_build.
12276         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
12277         base class initializer.
12278         (Output_section::add_relaxed_input_section): New method declaration.
12279         (Output_section::Input_section): Change visibility to protected.
12280         (Output_section::Input_section::relobj,
12281         Output_section::Input_section::shndx): Handle relaxed input sections.
12282         Output_section::input_sections) Change visibility to protected.  Also
12283         define overload to return a non-const pointer.
12284         (Output_section::Merge_section_properties): New class defintion.
12285         (Output_section::Merge_section_by_properties_map,
12286         Output_section::Output_section_data_by_input_section_map,
12287         Output_section::Relaxation_map): New types.
12288         (Output_section::relax_input_section): Rename method to
12289         Output_section::convert_input_sections_to_relaxed_sections and change
12290         interface to take a vector of relaxed section pointers.
12291         (Output_section::find_merge_section,
12292         Output_section::find_relaxed_input_section,
12293         Output_section::build_relaxation_map,
12294         Output_section::convert_input_sections_in_list_to_relaxed_sections):
12295         New method declarations.
12296         (Output_section::merge_section_map_
12297         Output_section::merge_section_by_properties_map_,
12298         Output_section::relaxed_input_section_map_,
12299         Output_section::is_relaxed_input_section_map_valid_,
12300         Output_section::generate_code_fills_at_write_): New data members.
12301         * script-sections.cc
12302         (Output_section_element_input::set_section_addresses): Call
12303         current_data_size and addralign methods of relaxed input sections.
12304         (Orphan_output_section::set_section_addresses): Call current_data_size
12305         and addralign methods of relaxed input sections.
12306         * symtab.cc (Symbol_table::compute_final_value): Extract template
12307         from the body of Symbol_table::sized_finalize_symbol.
12308         (Symbol_table::sized_finalized_symbol): Call
12309         Symbol_table::compute_final_value.
12310         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
12311         (Symbol_table::compute_final_value): New templated method declaration.
12312         * target.cc (Target::do_make_output_section): New method defintion.
12313         * target.h (Target::make_output_section): New method declaration.
12314         (Target::relax): Add more parameters for input objects, symbol table
12315         and layout.  Adjust call to do_relax.
12316         (Target::do_make_output_section): New method declaration.
12317         (Target::do_relax): Add parameters for input objects, symbol table
12318         and layout.
12319
12320 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12321
12322         * pread.c: Include stdio.h.
12323
12324 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12325
12326         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
12327         defined.
12328
12329 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12330
12331         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
12332         Change read_shndx type to unsigned int.
12333         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
12334         int.
12335         (Sized_dwarf_line_info::read_line_mappings): Likewise.
12336         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
12337         Change read_shndx type to unsigned int.
12338         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
12339         int.
12340         (Sized_dwarf_line_info::read_line_mappings): Likewise.
12341         * layout.cc (Layout::create_symtab_sections): Cast the result of
12342         local_symcount * symsize to off_t in the gold_assert.
12343
12344 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
12345
12346         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
12347         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
12348         R_ARM_BASE_ABS.
12349         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
12350         (Arm_relocate_functions::thm_abs5): New function.
12351         (Arm_relocate_functions::abs12): New function.
12352         (Arm_relocate_functions::abs16): New function.
12353         (Arm_relocate_functions::base_abs): New function.
12354         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
12355         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
12356         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
12357         R_ARM_BASE_ABS.
12358         (Scan::global): Likewise.
12359         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
12360         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
12361         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
12362         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
12363         R_ARM_BASE_ABS.
12364
12365 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
12366
12367         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
12368         (Arm_relocate_functions::movt_prel): New function.
12369         (Arm_relocate_functions::thm_movw_prel_nc): New function.
12370         (Arm_relocate_functions::thm_movt_prel): New function.
12371         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
12372         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
12373         (Scan::global, Relocate::relocate): Likewise.
12374         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
12375
12376 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
12377
12378         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
12379         Incremental_checker.
12380         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
12381         unsigned int.
12382         (class Incremental_inputs_header): New class.
12383         (Incremental_inputs_header_writer): Edit comment.
12384         (Incremental_inputs_entry): New class.
12385         (Incremental_inputs_entry_writer): Edit comment.
12386         (Sized_incremental_binary::do_find_incremental_inputs_section):
12387         Add *strtab_shndx parameter, fill it.
12388         (Sized_incremental_binary::do_check_inputs): New method.
12389         (Incremental_checker::can_incrementally_link_output_file): Use
12390         Sized_incremental_binary::check_inputs.
12391         (Incremental_inputs::report_command_line): Save command line in
12392         command_line_.
12393         * incremental.h:
12394         (Incremental_binary::find_incremental_inputs_section): New
12395         method.
12396         (Incremental_binary::do_find_incremental_inputs_section): Add
12397         strtab_shndx parameter.
12398         (Incremental_binary::do_check_inputs): New pure virtual method.
12399         (Sized_incremental_binary::do_check_inputs): Declare.
12400         (Incremental_checker::Incremental_checker): Add incremental_inputs
12401         parameter, use it to initialize incremental_inputs_.
12402         (Incremental_checker::incremental_inputs_): New field.
12403         (Incremental_checker::command_line): New method.
12404         (Incremental_checker::inputs): New method.
12405         (Incremental_checker::command_line_): New field.
12406
12407 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
12408
12409         * incremental.cc: Include <cstdarg> and "target-select.h".
12410         (vexplain_no_incremental): New function.
12411         (explain_no_incremental): New function.
12412         (Incremental_binary::error): New method.
12413         (Sized_incremental_binary::do_find_incremental_inputs_section): New
12414         method.
12415         (make_sized_incremental_binary): New function.
12416         (open_incremental_binary): New function.
12417         (can_incrementally_link_file): Add checks if output is ELF and has
12418         inputs section.
12419         * incremental.h: Include "elfcpp_file.h" and "output.h".
12420         (Incremental_binary): New class.
12421         (Sized_incremental_binary): New class.
12422         (open_incremental_binary): Declare.
12423         * object.cc (is_elf_object): Use
12424         elfcpp::Elf_recognizer::is_elf_file.
12425         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
12426         * output.h (Output_file::filesize): New method.
12427
12428 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
12429
12430         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
12431         New function.
12432         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
12433         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
12434         function.
12435         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
12436         function.
12437         (Arm_relocate_functions::movw_abs_nc): New function.
12438         (Arm_relocate_functions::movt_abs): New function.
12439         (Arm_relocate_functions::thm_movw_abs_nc): New function.
12440         (Arm_relocate_functions::thm_movt_abs): New function.
12441         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
12442         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
12443         (Scan::global): Likewise.
12444         (Relocate::relocate): Likewise.
12445         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
12446
12447 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
12448
12449         * arm.cc (Arm_relocate_functions::got_prel) New function.
12450         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
12451         (Relocate::relocate): Likewise.
12452         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
12453
12454 2009-10-06  Ian Lance Taylor  <iant@google.com>
12455
12456         * options.h (class General_options): Define
12457         split_stack_adjust_size parameter.
12458         * object.h (class Object): Add uses_split_stack_ and
12459         has_no_split_stack_ fields.  Add uses_split_stack and
12460         has_no_split_stack accessor functions.  Declare
12461         handle_split_stack_section.
12462         (class Reloc_symbol_changes): Define.
12463         (class Sized_relobj): Define Function_offsets.  Declare
12464         split_stack_adjust, split_stack_adjust_reltype, and
12465         find_functions.
12466         * object.cc (Object::handle_split_stack_section): New function.
12467         (Sized_relobj::do_layout): Call handle_split_stack_section.
12468         * dynobj.cc (Sized_dynobj::do_layout): Call
12469         handle_split_stack_section.
12470         * reloc.cc (Sized_relobj::relocate_sections): Call
12471         split_stack_adjust for executable sections in split_stack
12472         objects.  Pass reloc_map to relocate_section.
12473         (Sized_relobj::split_stack_adjust): New function.
12474         (Sized_relobj::split_stack_adjust_reltype): New function.
12475         (Sized_relobj::find_functions): New function.
12476         * target-reloc.h: Include "object.h".
12477         (relocate_section): Add reloc_symbol_changes parameter.  Change
12478         all callers.
12479         * target.h (class Target): Add calls_non_split method.  Declare
12480         do_calls_non_split virtual method.  Declare match_view and
12481         set_view_to_nop.
12482         * target.cc: Include "elfcpp.h".
12483         (Target::do_calls_non_split): New function.
12484         (Target::match_view): New function.
12485         (Target::set_view_to_nop): New function.
12486         * gold.cc (queue_middle_tasks): Give an error if mixing
12487         split-stack and non-split-stack objects with -r.
12488         * i386.cc (Target_i386::relocate_section): Add
12489         reloc_symbol_changes parameter.
12490         (Target_i386::do_calls_non_split): New function.
12491         * x86_64.cc (Target_x86_64::relocate_section): Add
12492         reloc_symbol_changes parameter.
12493         (Target_x86_64::do_calls_non_split): New function.
12494         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
12495         parameter.
12496         * powerpc.cc (Target_powerpc::relocate_section): Add
12497         reloc_symbol_changes parameter.
12498         * sparc.cc (Target_sparc::relocate_section): Add
12499         reloc_symbol_changes parameter.
12500         * configure.ac: Call AM_CONDITIONAL for the default target.
12501         * configure: Rebuild.
12502         * testsuite/Makefile.am (TEST_AS): New variable.
12503         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
12504         (check_DATA): Add split_i386 and split_x86_64 files.
12505         (SPLIT_DEFSYMS): Define.
12506         (split_i386_[1234n].o): New targets.
12507         (split_i386_[124]): New targets.
12508         (split_i386_[1234r].stdout): New targets.
12509         (split_x86_64_[1234n].o): New targets.
12510         (split_x86_64_[124]): New targets.
12511         (split_x86_64_[1234r].stdout): New targets.
12512         (MOSTLYCLEANFILES): Add new executables.
12513         * testsuite/split_i386.sh: New file.
12514         * testsuite/split_x86_64.sh: New file.
12515         * testsuite/split_i386_1.s: New file.
12516         * testsuite/split_i386_2.s: New file.
12517         * testsuite/split_i386_3.s: New file.
12518         * testsuite/split_i386_4.s: New file.
12519         * testsuite/split_i386_n.s: New file.
12520         * testsuite/split_x86_64_1.s: New file.
12521         * testsuite/split_x86_64_2.s: New file.
12522         * testsuite/split_x86_64_3.s: New file.
12523         * testsuite/split_x86_64_4.s: New file.
12524         * testsuite/split_x86_64_n.s: New file.
12525         * testsuite/testfile.cc (Target_test): Update relocation_section
12526         function.
12527         * testsuite/Makefile.in: Rebuild.
12528
12529 2009-10-06  Ian Lance Taylor  <iant@google.com>
12530
12531         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
12532         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
12533         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
12534         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
12535         the address on ldo_addrs_.
12536         (Target_i386::Relocate::fix_up_ldo): New function.
12537
12538 2009-10-06   Rafael Espindola  <espindola@google.com>
12539
12540         * plugin.cc (add_input_library): New.
12541         (Plugin::load): Add add_input_library to tv.
12542         (Plugin_manager::add_input_file): Add the is_lib argument.
12543         (add_input_file): Update call to Plugin_manager::add_input_file.
12544         (add_input_library): New.
12545         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
12546
12547 2009-09-30  Doug Kwan  <dougkwan@google.com>
12548
12549         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
12550         symbol and call Symbol::may_need_copy_reloc to determine if
12551         a copy reloc is needed.
12552         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
12553         nocopyreloc is given in command line.
12554         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
12555         given in command line.
12556         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
12557         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
12558         of the removed Target_i386::may_need_copy_reloc.
12559         * options.h (copyreloc): New option with default value false.
12560         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
12561         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
12562         instead of the removed Target_powerpc::may_need_copy_reloc.
12563         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
12564         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
12565         instead of the removed Target_sparc::may_need_copy_reloc.
12566         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
12567         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
12568         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
12569         instead of the removed Target_x86_64::may_need_copy_reloc.
12570
12571 2009-09-30  Ian Lance Taylor  <iant@google.com>
12572
12573         * object.h (class Object): Remove target_ field, and target,
12574         sized_target, and set_target methods.
12575         (Object::sized_target): Remove.
12576         (class Sized_relobj): Update declarations.  Remove sized_target.
12577         * object.cc (Sized_relobj::setup): Remove target parameter.
12578         Change all callers.
12579         (Input_objects::add_object): Don't do anything with the target.
12580         (make_elf_sized_object): Add punconfigured parameter.  Change all
12581         callers.  Set or test parameter target.
12582         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
12583         Change all callers.
12584         * parameters.cc (Parameters::set_target): Change parameter type to
12585         be non-const.
12586         (Parameters::default_target): Remove.
12587         (set_parameters_target): Change parameter type to be non-const.
12588         (parameters_force_valid_target): New function.
12589         (parameters_clear_target): New function.
12590         * parameters.h (class Parameters): Update declarations.  Remove
12591         default_target method.  Add sized_target and clear_target
12592         methods.  Change target_ to be non-const.
12593         (set_parameters_target): Update declaration.
12594         (parameters_force_valid_target): Declare.
12595         (parameters_clear_target): Declare.
12596         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
12597         as NULL if we aren't searching.
12598         (Add_symbols::run): Don't check for compatible target.
12599         * fileread.cc (Input_file::open_binary): Call
12600         parameters_force_valid_target.
12601         * gold.cc (queue_middle_tasks): Likewise.
12602         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
12603         set_target on object.
12604         * dynobj.h (class Sized_dynobj): Update declarations.
12605         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
12606         make_elf_object returns NULL.
12607         (Archive::include_member): Don't check whether object target is
12608         compatible.
12609         * output.cc (Output_section::add_input_section): Get target from
12610         parameters.
12611         (Output_section::relax_input_section): Likewise.
12612         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
12613         parameters.
12614         (Sized_relobj::do_scan_relocs): Likewise.
12615         (Sized_relobj::relocate_sections): Likewise.
12616         * resolve.cc (Symbol_table::resolve): Likewise.
12617         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
12618         parameter.  Change all callers.
12619         (Symbol_table::add_from_object): Get target from parameters.
12620         (Symbol_table::add_from_relobj): Don't check object target.
12621         (Symbol_table::add_from_dynobj): Likewise.
12622         (Symbol_table::define_special_symbol): Get target from
12623         parameters.
12624         * symtab.h (class Symbol_table): Update declaration.
12625         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
12626         parameter.  Change all callers.  Clear parameter target.
12627         (Binary_test): Test target here.
12628         * testsuite/object_unittest.cc (gold_testsuite): Remove
12629         target_test_pointer parameter.  Change all callers.
12630         (Object_test): Test target here.
12631
12632 2009-09-26  Ian Lance Taylor  <iant@google.com>
12633
12634         * testsuite/initpri1.c: Don't try to use constructor priorities if
12635         compiling with gcc before 4.3.
12636
12637 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
12638
12639         * testsuite/retain_symbols_file_test.sh (check_present): Change
12640         output file name to retain_symbols_file_test.stdout.
12641         (check_absent): Likewise.
12642
12643 2009-09-18  Craig Silverstein  <csilvers@google.com>
12644
12645         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
12646         * options.cc: Include <cerrno> and <fstream>.
12647         (General_options::finalize): Parse -retain-symbols-file tag.
12648         * options.h: New flag.
12649         (General_options): New method should_retain_symbol, new
12650         variable symbols_to_retain.
12651         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
12652         should_retain_symbol map.
12653         * testsuite/Makefile.am (retain_symbols_file_test): New test.
12654         * testsuite/Makefile.in: Regenerate.
12655         * testsuite/retain_symbols_file_test.sh: New file.
12656
12657 2009-09-18  Nick Clifton  <nickc@redhat.com>
12658
12659         * po/es.po: Updated Spanish translation.
12660
12661 2009-09-17  Doug Kwan  <dougkwan@google.com>
12662
12663         * debug.h (DEBUG_RELAXATION): New constant.
12664         (DEBUG_ALL): Add DEBUG_RELAXATION.
12665         (debug_string_to_enum): Add relaxation debug option.
12666         * layout.cc
12667         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
12668         Layout::Relaxation_debug_check::read_sections,
12669         Layout::Relaxation_debug_check::read_sections): New method definitions.
12670         (Layout::Layout): Initialize data members
12671         record_output_section_data_from_scrips_,
12672         script_output_section_data_list_ and relaxation_debug_check_.
12673         (Layout::save_segments, Layout::restore_segments,
12674         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
12675         Layout::relaxation_loop_body): New method definitions.
12676         (Layout::finalize): Support relaxation.  Move section layout code to
12677         Layout::relaxation_loop_body.
12678         (Layout::set_asection_address_from_script): Move code for orphan
12679         section placement out.
12680         (Layout::place_orphan_sections_in_script): New method definition.
12681         * layout.h (Output_segment_headers, Output_file_header):
12682         New forward class declarations.
12683         (Layout::~Layout): Define.
12684         (Layout::new_output_section_data_from_script): New method definition.
12685         (Layout::place_orphan_sections_in_script): New method declaration.
12686         (Layout::Segment_states): New type declaration.
12687         (Layout::save_segments, Layout::restore_segments,
12688         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
12689         Layout::relaxation_loop_body): New method declarations.
12690         (Layout::Output_section_data_list): New type declaration.
12691         (Layout::Relaxation_debug_check): New class definition.
12692         (Layout::record_output_section_data_from_script_,
12693         Layout::script_output_section_data_list_, Layout::segment_states_,
12694         Layout::relaxation_debug_check_): New data members.
12695         * output.cc: (Output_section_headers::do_size): New method definition.
12696         (Output_section_headers::Output_section_headers): Move size
12697         computation to Output_section_headers::do_size.
12698         (Output_segment_headers::do_size): New method definition.
12699         (Output_file_header::Output_file_header): Move size computation to
12700         Output_file_header::do_size and call it.
12701         (Output_file_header::do_size): New method definition.
12702         (Output_data_group::Output_data_group): Adjust call to
12703         Output_section_data.
12704         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
12705         (Output_symtab_xindex::do_write): Add array bound check.
12706         (Output_section::Input_section::print_to_mapfile): Handle
12707         RELAXED_INPUT_SECTION_CODE.
12708         (Output_section::Output_section): Initialize data member checkpoint_.
12709         (Output_section::~Output_section): Delete checkpoint object pointed
12710         by checkpoint_.
12711         (Output_section::add_input_section): Always add an Input_section if
12712         relaxing.
12713         (Output_section::add_merge_input_section): Add assert.
12714         (Output_section::relax_input_section): New method definition.
12715         (Output_section::set_final_data_size): Set load address to zero for
12716         an unallocated section.
12717         (Output_section::do_address_and_file_offset_have_reset_values):
12718         New method definition.
12719         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
12720         Handle relaxed input section.
12721         (Output_section::sort_attached_input_sections): Checkpoint input
12722         section list lazily.
12723         (Output_section::get_input_sections): Change type of input_sections to
12724         list of Simple_input_section pointers.  Checkpoint input section list
12725         lazily.  Also handle relaxed input sections.
12726         (Output_section::add_input_section_for_script): Take a reference to
12727         a Simple_input_section object instead of Relobj pointer and section
12728         index as parameter.  Handle relaxed input sections.
12729         (Output_section::save_states, Output_section::restore_states): New
12730         method definitions.
12731         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
12732         (Output_data::is_data_size_fixed): New method definition.
12733         (Output_data::reset_addresss_and_file_offset): Do not reset data size
12734         if it is fixed.
12735         (Output_data::address_and_file_offset_have_reset_values): New method
12736         definition.
12737         (Output_data::do_address_and_file_offset_have_reset_values): New method
12738         definition.
12739         (Output_data::set_data_size): Check that data size is not fixed.
12740         (Output_data::fix_data_size): New method definition.
12741         (Output_data::is_data_size_fixed_): New data member.
12742         (Output_section_headers::set_final_data_size): New method definition.
12743         (Output_section_headers::do_size): New method declaration.
12744         (Output_segment_headers::set_final_data_size): New method definition.
12745         (Output_segment_headers::do_size): New method declaration.
12746         (Output_file_header::set_final_data_size)::New method definition.
12747         (Output_file_header::do_size)::New method declaration.
12748         (Output_section_data::Output_section_data): Add new parameter
12749         is_data_size_fixed and use it to fix data size.
12750         (Output_data_const::Output_data_const): Adjust call to base class
12751         constructor and fix data size.
12752         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
12753         base class constructor and fix data size.
12754         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
12755         base class constructor and fix data size.
12756         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
12757         class constructor and fix data size.
12758         (Output_data_group::set_final_data_size): New method definition.
12759         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
12760         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
12761         class constructor and fix data size.
12762         (Output_relaxed_input_section): New class definition.
12763         (Output_section::Simple_input_section): New class definition.
12764         (Output_section::get_input_sections): Adjust parameter list.
12765         (Output_section::add_input_section_for_script): Same.
12766         (Output_section::save_states, Output_section::restore_states,
12767         Output_section::do_address_and_file_offset_have_reset_values,
12768         (Output_section::Input_section::Input_section): Handle
12769         RELAXED_INPUT_SECTION_CODE.  Add new overload for
12770         Output_relaxed_input_section.
12771         (Output_section::Input_section::is_input_section,
12772         Output_section::Input_section::set_output_section): Handle relaxed
12773         input section.
12774         (Output_section::Input_section::is_relaxed_input_section,
12775         Output_section::Input_section::output_section_data,
12776         Output_section::Input_section::relaxed_input_section): New method
12777         definitions.
12778         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
12779         value.
12780         (Output_section::Input_section::u1_): Update comments.
12781         (Output_section::Input_section::u2_): Add new union member poris.
12782         (Output_section::Checkpoint_output_section): New classs definition.
12783         (Output_section::relax_input_section): New method declaration.
12784         (Output_section::checkpoint_): New data member.
12785         (Output_segment): Update comments.
12786         (Output_segment::Output_segment): Un-privatize copy constructor.
12787         (Output_segment::operator=): Un-privatize.
12788         * script-sections.cc (Output_section_element::Input_section_list):
12789         Change element type to Output_section::Simple_input_section.
12790         (Output_section_element_dot_assignment::set_section_addresses):
12791         Register output section data for relaxation clean up.
12792         (Output_data_exression::Output_data_expression): Adjust call to base
12793         constructor to fix data size.
12794         (Output_section_element_data::set_section_addresses): Register
12795         Output_data_expression object for relaxation clean up.
12796         (struct Input_section_info): Replace Relobj pointer and section index
12797         pair with Output_section::Simple_input_section and Convert struct to a
12798         class.
12799         (Input_section_sorter::operator()): Adjust access to
12800         Input_section_info data member to use accessors.
12801         (Output_section_element_input::set_section_addresses): Use layout
12802         parameter.  Adjust code to use Output_section::Simple_input_section
12803         and Input_secction_info classes.  Register filler for relaxation
12804         clean up.
12805         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
12806         and section index pair with Output_section::Simple_input_section
12807         class.  Adjust code accordingly.
12808         (Phdrs_element::release_segment): New method definition.
12809         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
12810         segment list.
12811         (Script_sections::release_segments): New method definition.
12812         * gold/script-sections.h (Script_sections::release_segments): New
12813         method declaration.
12814         * gold/target.h (Target::may_relax, Target::relax,
12815         Target::do_may_relax, Target::do_relax): New method definitions.
12816
12817 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
12818
12819         * arm.cc (has_signed_unsigned_overflow): New function.
12820         (Arm_relocate_functions::abs8): New function.
12821         (Target_arm::Scan::local): Handle R_ARM_ABS8.
12822         (Target_arm::Scan::global): Likewise.
12823         (Target_arm::relocate::relocate): Likewise.
12824         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
12825         Likewise.
12826
12827 2009-09-16  Cary Coutant  <ccoutant@google.com>
12828
12829         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
12830         * testsuite/Makefile.in: Regenerate.
12831
12832 2009-09-11  Nick Clifton  <nickc@redhat.com>
12833
12834         * po/gold.pot: Updated by the Translation project.
12835
12836 2009-09-08  Cary Coutant  <ccoutant@google.com>
12837
12838         * output.cc (Output_file::open): Add execute permission to empty file.
12839         * testsuite/Makefile.am (permission_test): New test.
12840         * testsuite/Makefile.in: Regenerate.
12841
12842 2009-09-02  Ian Lance Taylor  <iant@google.com>
12843
12844         * output.cc (Output_file::resize): Call map_no_anonymous rather
12845         than map.
12846
12847 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
12848
12849         * gold.cc: Include "incremental.h".
12850         (queue_initial_tasks): Call Incremental_checker methods.
12851         * incremental.cc: Include "output.h".
12852         (Incremental_checker::can_incrementally_link_output_file): New
12853         method.
12854         * incremental.h (Incremental_checker): New class.
12855
12856         * output.cc (Output_file::open_for_modification): New method.
12857         (Output_file::map_anonymous): Changed return type to bool.  Record
12858         map in base_ field.
12859         (Output_file::map_no_anonymous): New method, broken out of map.
12860         (Output_file::map): Use map_no_anonymous and map_anonymous.
12861         * output.h (class Output_file): Update declarations.
12862
12863 2009-08-24  Cary Coutant  <ccoutant@google.com>
12864
12865         * options.h (Command_line::Pre_options): New class.
12866         (Command_line::pre_options): New member.
12867         * options.cc (gold::options::ready_to_register): New variable.
12868         (One_option::register_option): Do nothing if not registering options.
12869         Assert if same short option registered twice.
12870         (General_options::General_options): Turn off option registration when
12871         done constructing.
12872         (Command_line::Pre_options::Pre_options): New constructor.
12873
12874 2009-08-24  Cary Coutant  <ccoutant@google.com>
12875
12876         * options.h (General_options::no_keep_memory): Remove incorrect
12877         short option.
12878
12879 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12880
12881         * Makefile.am (am__skiplex, am__skipyacc): New.
12882         * Makefile.in: Regenerate.
12883
12884 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12885
12886         * Makefile.am (AM_CPPFLAGS): Renamed from ...
12887         (INCLUDES): ... this.
12888         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
12889         (AM_CPPFLAGS): Renamed from ...
12890         (INCLUDE): ... this.
12891         * Makefile.in, testsuite/Makefile.in: Regenerate.
12892
12893         * Makefile.in: Regenerate.
12894         * aclocal.m4: Likewise.
12895         * config.in: Likewise.
12896         * configure: Likewise.
12897         * testsuite/Makefile.in: Likewise.
12898
12899         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
12900         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
12901         * Makefile.in: Regenerate.
12902         * testsuite/Makefile.in: Regenerate.
12903
12904 2009-08-19  Cary Coutant  <ccoutant@google.com>
12905
12906         * resolve.cc (Symbol_table::resolve): Don't complain about defined
12907         symbols in shared libraries overridden by hidden or internal symbols
12908         in the main program.
12909
12910 2009-08-19  Chris Demetriou  <cgd@google.com>
12911
12912         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
12913         checking source file names in error messages.
12914
12915 2009-08-18  Doug Kwan  <dougkwan@google.com>
12916
12917         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
12918         an elcpp::Ehdr as parameter.  Adjust call to set_target.
12919         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
12920         an elfcpp::Ehdr as parameter.
12921         * object.cc (Object::set_target): Remove the version that looks up
12922         a target and sets it.
12923         (Sized_relobj::setup): Take a Target object instead of
12924         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
12925         (make_elf_sized_object): Find target and ask target to
12926         make an ELF object.
12927         * object.h: (Object::set_target): Remove the version that looks up
12928         a target and sets it.
12929         (Sized_relobj::setup): Take a Target object instead of
12930         an elfcpp:Ehdr as parameter.
12931         * target.cc: Include dynobj.h.
12932         (Target::do_make_elf_object_implementation): New.
12933         (Target::do_make_elf_object): New.
12934         * target.h (Target::make_elf_object): New template declaration.
12935         (Target::do_make_elf_object): New method declarations.
12936         (Target::do_make_elf_object_implementation): New template declaration.
12937
12938 2009-08-14  Ian Lance Taylor  <iant@google.com>
12939
12940         * gold.h (FUNCTION_NAME): Define.
12941         (gold_unreachable): Use FUNCTION_NAME.
12942
12943 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
12944
12945         * icf.cc (Icf::find_identical_sections): Issue a warning when a
12946         symbol in the --keep-unique list is not found.
12947
12948 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
12949
12950         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
12951         been maked as --keep-unique.
12952         (Icf::unfold_section): New function.
12953         * icf.h (Icf::unfold_section): New function.
12954         * options.h (General_options::keep_unique): New option.
12955         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
12956         * testsuite/Makefile.in: Regenerate.
12957         * testsuite/icf_keep_unique_test.sh: New file.
12958         * testsuite/icf_keep_unique_test.cc: New file.
12959
12960 2009-08-12  Cary Coutant  <ccoutant@google.com>
12961
12962         PR 10471
12963         * resolve.cc (Symbol_table::resolve): Check for references from
12964         dynamic objects to hidden and internal symbols.
12965         * testsuite/Makefile.am (hidden_test.sh): New test.
12966         * testsuite/Makefile.in: Regenerate.
12967         * testsuite/hidden_test.sh: New script.
12968         * testsuite/hidden_test_1.c: New test source.
12969         * testsuite/hidden_test_main.c: New test source.
12970
12971 2009-08-11  Doug Kwan  <dougkwan@google.com>
12972
12973         * arm.cc: Update comments.
12974         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
12975         segment to locate the .ARM.exidx section if present.
12976
12977 2009-08-09  Doug Kwan  <dougkwan@google.com>
12978
12979         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
12980         patch.
12981
12982 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
12983         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
12984         compiler warnings.
12985
12986 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
12987
12988         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
12989         valid tls_segment only for non-debug-section relocations.
12990         * testsuite/Makefile.am: Add gc_tls_test.
12991         * testsuite/Makefile.in: Regenerate.
12992         * testsuite/gc_tls_test.cc: New file.
12993         * testsuite/gc_tls_test.sh: New file.
12994
12995 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
12996
12997         * icf.cc: New file.
12998         * icf.h: New file.
12999         * Makefile.am (CCFILES): Add icf.cc.
13000         (HFILES): Add icf.h
13001         * Makefile.in: Regenerate.
13002         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
13003         * gc.h (gc_process_relocs): Populate lists used by icf to contain
13004         section, symbol and addend information for the relocs.
13005         * gold.cc (queue_middle_tasks): Call identical code folding.
13006         * gold.h: Add defines for multimap.
13007         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
13008         to the call of finalize_local_symbols.
13009         * main.cc (main): Create object of class Icf.
13010         * object.cc (Sized_relobj::do_layout): Allow this function to be
13011         called twice during icf.
13012         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
13013         to sections marked as identical by icf.
13014         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
13015         when available.
13016         (Sized_relobj::do_section_entsize): New function.
13017         * object.h (Object::section_entsize): New function.
13018         (Object::do_section_entsize): New pure virtual function.
13019         (Relobj::finalize_local_symbols): Add new parameter.
13020         (Relobj::do_section_entsize): New function.
13021         * options.h (General_options::icf): New option.
13022         (General_options::icf_iterations): New option.
13023         (General_options::print_icf_sections): New option.
13024         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
13025         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
13026         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
13027         icf.
13028         * symtab.cc (Symbol_table::is_section_folded): New function.
13029         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
13030         to sections marked as identical by icf.
13031         * symtab.h (Symbol_table::set_icf): New function.
13032         (Symbol_table::icf): New function.
13033         (Symbol_table::is_section_folded): New function.
13034         (Symbol_table::icf_): New data member.
13035         * target-reloc.h (relocate_section): Ignore sections folded by icf.
13036         * testsuite/Makefile.am: Add commands to build icf_test.
13037         * testsuite/Makefile.in: Regenerate.
13038         * testsuite/icf_test.sh: New file.
13039         * testsuite/icf_test.cc: New file.
13040
13041 2009-07-24  Chris Demetriou  <cgd@google.com>
13042
13043         * layout.cc (is_compressible_debug_section): Fix incorrect
13044         comment about compressed section names.
13045
13046 2009-07-20  Ian Lance Taylor  <ian@airs.com>
13047
13048         PR 10419
13049         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
13050
13051 2009-07-16  Ian Lance Taylor  <iant@google.com>
13052
13053         PR 10400
13054         * layout.h: #include <map>.
13055         (class Kept_section): Change from struct to class.  Add accessors
13056         and setters.  Add section size to Comdat_group mapping.  Change
13057         Comdat_group to std::map.  Add is_comdat_ field.  Add
13058         linkonce_size field in union.
13059         (class Layout): Update declaration of find_or_add_kept_section.
13060         Don't declare find_kept_object.
13061         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
13062         parameter.  Add object, shndx, is_comdat, and is_group_name
13063         parameters.  Change all callers.  Adjust for new Kept_section.
13064         (Layout::find_kept_object): Remove.
13065         * object.cc (Sized_relobj::include_section_group): Update use of
13066         Kept_section.  Rename secnum to shndx.  Only record
13067         Kept_comdat_section if sections are the same size.
13068         (Sized_relobj::include_linkonce_section): Update use of
13069         Kept_section.  Only record Kept_comdat_section if sections are the
13070         same size.  Set size of linkonce section.
13071         (Sized_relobj::map_to_kept_section): Update call to
13072         get_kept_comdat_section.
13073         * object.h (class Sized_relobj): Rename fields in
13074         Kept_comdat_section to drop trailing underscores; change object
13075         field to Relobj*.  Change Kept_comdat_section_table to store
13076         struct rather than pointer.
13077         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
13078         Add kept_object and kept_shndx parameters.  Change all callers.
13079         (Sized_relobj::get_kept_comdat_section): Change return type to
13080         bool.  Add kept_object and kept_shndx parameters.  Change all
13081         callers.
13082         * plugin.cc (Pluginobj::include_comdat_group): Update call to
13083         Layout::find_or_add_kept_section.
13084
13085 2009-07-09  Ian Lance Taylor  <iant@google.com>
13086
13087         * merge.cc (Object_merge_map::initialize_input_to_output_map):
13088         Reserve space in the hash table.
13089
13090 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
13091
13092         * fileread.cc (File_read::get_mtime): New method.
13093         * fileread.h (Timespec): New structure.
13094         (File_read::get_mtime): New method.
13095         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
13096         Renamed from timestamp_nsec.
13097         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
13098         Elf_Xword.
13099         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
13100         timestamp_nsec.
13101         (Incremental_inputs::report_archive): Save mtime; style fix.
13102         (Incremental_inputs::report_obejct): Save mtime; style fix.
13103         (Incremental_inputs::report_script): Save mtime; style fix.
13104         (Incremental_inputs::finalize_inputs): Style fix.
13105         (Incremental_inputs::finalize): Style fix.
13106         (Incremental_inputs::create_input_section_data): Store inputs
13107         mtime.
13108         * incremental.h (Incremental_inputs::report_script): Add mtime
13109         argument.
13110         (Incremental_inputs::Input_info::Input_info): Intialize only one
13111         union member.
13112         (Incremental_inputs::Input_info::archive): Move to nameless
13113         union.
13114         (Incremental_inputs::Input_info::obejct): Move to nameless union.
13115         (Incremental_inputs::Input_info::script): Move to nameless union.
13116         (Incremental_inputs::mtime): New field.
13117         * script.cc (read_input_script): Pass file mtime to
13118         Incremental_input.
13119         * script.h (Script_info::inputs): Style fix.
13120
13121 2009-07-01  Ian Lance Taylor  <ian@airs.com>
13122
13123         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
13124         instead of 32.
13125
13126 2009-06-24  Ian Lance Taylor  <iant@google.com>
13127
13128         PR 10156
13129         * layout.cc (Layout::choose_output_section): If we find an
13130         existing section, update the flags.
13131         (Layout::create_notes): New function, broken out of
13132         Layout::finalize.
13133         (Layout::finalize): Don't create note sections.
13134         (Layout::create_note): Don't crash if linker script discards
13135         section.
13136         (Layout::create_gold_note): Likewise.
13137         (Layout::create_build_id): Likewise.  Don't set
13138         after_input_sections on the section.
13139         (Layout::create_executable_stack_info): Remove target parameter.
13140         Change caller.
13141         * layout.h (class Layout): Declare create_notes.  Update
13142         declaration of create_executable_stack_info.
13143         * gold.cc (queue_middle_tasks): Call create_notes.
13144         * output.cc (Output_section::update_flags_for_input_section): Move
13145         here from output.h.  If SHF_ALLOC flag is newly set, mark address
13146         invalid.
13147         * output.h (Output_data::mark_address_invalid): New function.
13148         (class Output_section): Only declare, not define,
13149         update_flags_for_input_section.  Remove set_flags.
13150
13151 2009-06-24  Ian Lance Taylor  <iant@google.com>
13152
13153         * script-sections.cc (Output_section_definition::
13154         set_section_addresses): Rename shadowing local load_address to
13155         laddr.
13156
13157 2009-06-24  Ian Lance Taylor  <iant@google.com>
13158
13159         PR 10244
13160         * reloc.cc (relocate_sections): Skip empty relocation sections.
13161
13162 2009-06-23  Ian Lance Taylor  <iant@google.com>
13163
13164         PR 10156
13165         * layout.cc (Layout::create_note): Use choose_output_section
13166         rather than make_output_section.
13167
13168 2009-06-23  Ian Lance Taylor  <iant@google.com>
13169
13170         PR 10237
13171         * options.cc (General_options::parse_V): Set printed_version_.
13172         (General_options::General_options): Initialize printed_version_.
13173         * options.h (class General_options): Add printed_version_ field.
13174         * gold.cc (queue_initial_tasks): If there are no input files,
13175         don't give a fatal error if we printed the version information.
13176         (queue_middle_tasks): If using -r with a shared object, give a
13177         fatal error rather than an ordinary error.
13178
13179 2009-06-23  Ian Lance Taylor  <iant@google.com>
13180
13181         PR 10219
13182         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
13183         (Layout::make_output_section): Set have_stabstr_section_ if we see
13184         a .stab*str section.
13185         (Layout::finalize): Call link_stabs_sections.
13186         (Layout::link_stabs_sections): New file.
13187         * layout.h (class Layout): Add have_stabstr_section_ field.
13188         Declare link_stabs_sections.
13189
13190 2009-06-23  Doug Kwan  <dougkwan@google.com>
13191
13192         * Makefile.am (libgold_a_LIBADD): New.
13193         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
13194         * Makefile.in: Regenerate.
13195         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
13196         * configure: Regenerate.
13197         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
13198         * fileread.cc: Include sys/state.h
13199         * gold.h: Declare memmem and strndup if found missing.
13200         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
13201
13202 2009-06-23  Ian Lance Taylor  <iant@google.com>
13203
13204         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
13205         * configure: Rebuild.
13206
13207 2009-06-23  Ian Lance Taylor  <iant@google.com>
13208
13209         PR 10147
13210         * object.cc (Object::section_contents): Don't try to get a view if
13211         the section has length zero.
13212         (Object::handle_gnu_warning_section): If the section is empty, use
13213         the name of the section as the warning.
13214
13215 2009-06-23  Ian Lance Taylor  <iant@google.com>
13216
13217         PR 10133
13218         * stringpool.h (class Stringpool_template): Add optimize_ field.
13219         (Stringpool_template::set_optimize): New function.
13220         * stringpool.cc (Stringpool_template::Stringpool_template):
13221         Initialize optimize_ field.
13222         (Stringpool_template::set_string_offsets): Test local optimize
13223         fild rather than parameter.
13224         * layout.cc (Layout::Layout): Call set_optimize on the section
13225         name stringpool.
13226
13227 2009-06-22  Ian Lance Taylor  <iant@google.com>
13228
13229         PR 10030
13230         * yyscript.y: Parse TARGET.
13231         * script.cc (script_set_target): New function.
13232         * script-c.h (script_set_target): Declare.
13233         * options.cc (General_options::string_to_object_format): Rename
13234         from string_to_object_format in anonymous namespace.  Change
13235         callers.
13236         * options.h (class General_options): Declare
13237         string_to_object_format.
13238
13239 2009-06-22  Ian Lance Taylor  <iant@google.com>
13240
13241         * script-sections.cc (Script_sections::create_segments): Don't put
13242         program headers in a PT_LOAD segment if -n or -N.
13243
13244 2009-06-22  Ian Lance Taylor  <iant@google.com>
13245
13246         PR 10141
13247         * options.h (class General_options): Add -z lazy and -z now.  Sort
13248         -z options into alphabetical order.
13249         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
13250
13251 2009-06-21  Ian Lance Taylor  <iant@google.com>
13252
13253         * layout.cc (Layout::make_output_section): Call
13254         Target::new_output_section.
13255         (Layout::attach_allocated_section_to_segment): Put large section
13256         sections in a separate load segment with the large segment flag
13257         set.
13258         (Layout::segment_precedes): Sort large data segments after other
13259         load segments.
13260         (align_file_offset): New static function.
13261         (Layout::set_segment_offsets): Use align_file_offset.
13262         * output.h (class Output_section): Add is_small_section_ and
13263         is_large_section_ fields.
13264         (Output_section::is_small_section): New function.
13265         (Output_section::set_is_small_section):  New function.
13266         (Output_section::is_large_section): New function.
13267         (Output_section::set_is_large_section): New function.
13268         (Output_section::is_large_data_section): New function.
13269         (class Output_segment): Add is_large_data_segment_ field.
13270         (Output_segment::is_large_data_segment): New function.
13271         (Output_segment::set_is_large_data_segment): New function.
13272         * output.cc (Output_section::Output_section): Initialize new
13273         fields.
13274         (Output_segment::Output_segment): Likewise.
13275         (Output_segment::add_output_section): Add assertion that large
13276         data sections always go in large data segments.  Force small data
13277         sections to the end of the list of data sections.  Force small BSS
13278         sections to the start of the list of BSS sections.  For large BSS
13279         sections to the end of the list of BSS sections.
13280         * symtab.h (class Symbol): Declare is_common_shndx.
13281         (Symbol::is_defined): Check Symbol::is_common_shndx.
13282         (Symbol::is_common): Likewise.
13283         (class Symbol_table): Define enum Commons_section_type.  Update
13284         declarations.  Add small_commons_ and large_commons_ fields.
13285         * symtab.cc (Symbol::is_common_shndx): New function.
13286         (Symbol_table::Symbol_table): Initialize new fields.
13287         (Symbol_table::add_from_object): Put small and large common
13288         symbols in the right list.
13289         (Symbol_table::sized_finalized_symbol): Check
13290         Symbol::is_common_shndx.
13291         (Symbol_table::sized_write_globals): Likewise.
13292         * common.cc (Symbol_table::do_allocate_commons): Allocate new
13293         common symbol lists.  Don't call do_allocate_commons_list if the
13294         list is empty.
13295         (Symbol_table::do_allocate_commons_list): Remove is_tls
13296         parameter.  Add comons_section_type parameter.  Change all
13297         callers.  Handle small and large common symbols.
13298         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
13299         Symbol::is_common_shndx.
13300         * resolve.cc (symbol_to_bits): Likewise.
13301         * target.h (Target::small_common_shndx): New function.
13302         (Target::small_common_section_flags): New function.
13303         (Target::large_common_shndx): New function.
13304         (Target::large_common_section_flags): New function.
13305         (Target::new_output_section): New function.
13306         (Target::Target_info): Add small_common_shndx, large_common_shndx,
13307         small_common_section_flags, and large_common_section_flags
13308         fields.
13309         (Target::do_new_output_section): New virtual function.
13310         * arm.cc (Target_arm::arm_info): Initialize new fields.
13311         * i386.cc (Target_i386::i386_info): Likewise.
13312         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
13313         Likewise.
13314         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
13315         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
13316         (Target_x86_64::do_new_output_section): New function.
13317         * configure.ac: Define conditional MCMODEL_MEDIUM.
13318         * testsuite/Makefile.am (check_PROGRAMS): Add large.
13319         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
13320         (large_LDFLAGS): Define.
13321         * testsuite/large.c: New file.
13322         * testsuite/testfile.cc (Target_test::test_target_info):
13323         Initialize new fields.
13324         * configure, testsuite/Makefile.in: Rebuild.
13325
13326 2009-06-05  Doug Kwan  <dougkwan@google.com>
13327
13328         * Makefile.am (CCFILES): Add target.cc.
13329         * Makefile.in: Regenerate.
13330         * i386.cc (class Target_i386): Define new virtual method to
13331         override do_is_local_label_name in parent.
13332         * object.cc (Sized_relobj::do_count_local_symbols): Discard
13333         local symbols if --discard-locals or -X is given.
13334         * options.h (class General_options): Declare new options
13335         '--discard-locals' and '-X' for discarding locals.
13336         * target.h (class Target): Define new methods is_local_label_name.
13337         Declare new virtual method do_is_local_label_name.
13338         * target.cc: New file.
13339         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
13340         (check_SCRIPTS): Add discard_locals_test.sh.
13341         (check_DATA): Add discard_local_tests.syms.
13342         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
13343         (discard_local_tests.syms, discard_locals_test.o): New make rules.
13344         * testsuite/Makefile.in: Regenerate.
13345         * testsuite/discard_locals_test.c: New file.
13346         * testsuite/discard_locals_test.sh: Same.
13347
13348 2009-06-05  Doug Kwan  <dougkwan@google.com>
13349
13350         * object.cc (Sized_relobj::Sized_relobj): Initialize
13351         discarded_eh_frame_shndx_ to -1U.
13352         (Sized_relobj::do_layout): Record index of a discard .eh_frame
13353         section.
13354         (Sized_relobj::do_count_local_symbols): Skip local symbols in
13355         a discarded .eh_frame section.
13356         (Sized_relobj::do_finalize_local_symbols): Ditto.
13357         * object.h (class Sized_relobj): Declare new member
13358         discarded_eh_frame_shndx_.
13359         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
13360         (local_labels_test.o, local_labels_test): New rules.
13361         * testsuite/Makefile.in: Regenerate.
13362
13363 2009-06-04  Doug Kwan  <dougkwan@google.com>
13364
13365         * layout.cc (Layout::section_name_mapping): Add mapping for
13366         special ARM sections.
13367
13368 2009-06-03  Doug Kwan  <dougkwan@google.com>
13369
13370         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
13371         (utils::has_overflow): Same.
13372
13373 2009-06-03  Ian Lance Taylor  <iant@google.com>
13374
13375         * layout.cc (Layout::section_name_mapping): New array, replacing
13376         Layout::linkonce_mapping.
13377         (Layout::section_name_mapping_count): New variable, replacing
13378         Layout::linkonce_mapping_count.
13379         (Layout::linkonce_output_name): Remove.
13380         (Layout::output_section_name): Rewrite.
13381         * layout.h (class Layout): Rename Linkonce_mapping to
13382         Section_name_mapping, linkonce_mapping to section_name_mapping,
13383         linkonce_mapping_count to section_name_mapping_count.  Don't
13384         declare linkonce_output_name.
13385
13386 2009-06-03  Doug Kwan  <dougkwan@google.com>
13387
13388         * gold/arm.cc (namespace utils): New.
13389         (Target_arm::reloc_is_non_pic): Define new method.
13390         (class Arm_relocate_functions): New.
13391         (Target_arm::Relocate::relocate): Handle relocation types used by
13392         Android.
13393
13394 2009-06-03  Ian Lance Taylor  <iant@google.com>
13395
13396         * arm.cc (Target_arm::scan::global): Use || instead of |.
13397
13398 2009-06-02  Doug Kwan  <dougkwan@google.com>
13399
13400         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
13401         issued_non_pic_error_.
13402         (class Target_arm::Scan): Declare new method check_non_pic.
13403         Define new method symbol_needs_plt_entry.
13404         Declare new data member issued_non_pic_error_.
13405         (class Target_arm::Relocate): Declare new method
13406         should_apply_static_reloc.
13407         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
13408         (Target_arm::Scan::check_non_pic): Define new method.
13409         (Target_arm::Scan::local): Handle a small subset of reloc types used
13410         by Android.
13411         (Target_arm::Scan::local): Same.
13412         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
13413
13414 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
13415
13416         * incremental.cc (Incremental_inputs::report_command_line): Filter
13417         out --incremental-* options.
13418
13419 2009-05-29  Doug Kwan  <dougkwan@google.com>
13420
13421         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
13422         template class.
13423         (class Target_arm): Update comment.
13424         (Target_arm::Target_arm): Initialize new data members GOT_,
13425         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
13426         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
13427         and Target_arm::rel_dyn_section.
13428         Declare new_enum Target_arm::Got_type.
13429         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
13430         and DYNBSS_.
13431         Update commments for member do_dynsym_value.
13432         (Target_arm::got_size, Target_arm::plt_section,
13433         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
13434         new methods inside class defintion.
13435         (Target_arm::got_section): Define new method.
13436         (Target_arm::rel_dyn_section): Same.
13437         (Output_data_plt_arm): New template class.
13438         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
13439         (Output_data_plt_arm:do_adjust_output_section): Define new method.
13440         (Output_data_plt_arm::add_entry): Same.
13441         (Output_data_plt_arm::first_plt_entry): Define new
13442         static data member for PLT instruction template.
13443         (Output_data_plt_arm::plt_entry): Same.
13444         (Output_data_plt_arm::do_write): Define new method.
13445         (Target_arm::make_plt_entry): Same.
13446         (Target_arm::do_finalize_sections): Same.
13447         (Target_arm::do_dynsym_value): Same.
13448
13449 2009-05-28  Doug Kwan  <dougkwan@google.com>
13450
13451         * Makefile.am (TARGETSOURCES): Add arm.cc.
13452         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
13453         * Makefile.in: Regenerate.
13454         * arm.cc: New file.
13455         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
13456
13457 2009-05-26  Doug Kwan  <dougkwan@google.com>
13458
13459         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
13460         (General_options::check_excluded_libs): Strip off directories in
13461         archive name before matching like GNU ld does.
13462         * testsuite/Makefile.am (MOSTLYCLEANFILES,
13463         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
13464         (exclude_libs_test_LDFLAGS): Add linker option
13465         -Wl,--exclude-libs,libexclude_libs_test_3
13466         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
13467         an explicit archive without using -l.
13468         (alt/libexclude_libs_test_3.a): New make rule.
13469         * testsuite/Makefile.in: Regenerate.
13470         * testsuite/exclude_libs_test.c : Declare lib3_default().
13471         (main): Call it.
13472         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
13473         * exclude_libs_test_3.c: New file.
13474
13475 2009-05-26  Nick Clifton  <nickc@redhat.com>
13476
13477         * po/id.po: New Indonesian translation.
13478         * po/gold.pot: Updated template file.
13479
13480 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
13481
13482         * testsuite/Makefile.am: Add -ffunction-sections to compile
13483         gc_comdat_test files.  Add -Wl,--gc-sections to build
13484         gc_comdat_test.
13485         * testsuite/Makefile.in: Regenerate.
13486         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
13487
13488 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
13489
13490         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
13491         kept comdat section was garbage collected.
13492         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
13493         * testsuite/Makefile.in: Regenerate.
13494         * testsuite/gc_comdat_test.sh: New file.
13495         * testsuite/gc_comdat_test_1.cc: New file.
13496         * testsuite/gc_comdat_test_2.cc: New file.
13497
13498 2009-05-19  Doug Kwan  <dougkwan@google.com>
13499
13500         * archive.cc (Archive::Archive): Move constructor from archive.h
13501         to here.  Initialize no_export_.
13502         (Archive::get_elf_object_for_member): Set no_export flag of object.
13503         * archive.h (Archive::Archive): Move constructor body to
13504         archive.cc.
13505         (Archive::no_export): New method.
13506         (Archive::no_export_): New field.
13507         * object.h (Object::Object): Initialize no_export_ to false.
13508         (Object::no_export, Object::set_no_export): New methods.
13509         (Object::no_export_): New field.
13510         * options.cc (General_options::parse_exclude_libs): New method.
13511         (General_options::check_excluded_libs) Same.
13512         * options.h (exclude_libs): New option.
13513         (General_options::check_excluded_libs): New method declaration.
13514         (General_options::excluded_libs_): New field.
13515         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
13516         default or protected visibility if an object has no-export flag set.
13517         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
13518         (check_SCRIPTS): Add exclude_libs_test.sh.
13519         (check_DATA): Add exclude_libs_test.syms.
13520         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
13521         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
13522         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
13523         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
13524         (exclude_libs_test.syms, libexclude_libs_test_1.a,
13525         libexclude_libs_test_2.a): New rules.
13526         * testsuite/Makefile.in: Regenerate.
13527         * testsuite/exclude_libs_test.c: New file.
13528         * testsuite/exclude_libs_test.sh: Ditto.
13529         * testsuite/exclude_libs_test_1.c: Ditto.
13530         * testsuite/exclude_libs_test_2.c: Ditto.
13531
13532 2009-05-15  Ian Lance Taylor  <iant@google.com>
13533
13534         * configure.ac: Check for declarations for cases where libiberty.h
13535         checks HAVE_DECL_xxx.
13536         * configure, config.in: Rebuild.
13537
13538 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
13539
13540         * gold.h (Incremental_argument_list): Remove (invalid) forward
13541         declaration.
13542         * incremental.cc (Incremental_inputs::report_achive): New method.
13543         (Incremental_inputs::report_object): New method.
13544         (Incremental_inputs::report_script): New method.
13545         (Incremental_inputs::finalize_inputs): New method.
13546         (Incremental_inputs::finalize): Call finalize_inputs().
13547         (Incremental_inputs::sized_create_incremental_inputs_section_data):
13548         Create inputs entries.
13549         * incremental.h (Incremental_input_type): New enum.
13550         (Incremental_inputs::Incremental_input): Initialize new fields.
13551         (Incremental_inputs::report_inputs): New method.
13552         (Incremental_inputs::report_achive): New method.
13553         (Incremental_inputs::report_object): New method.
13554         (Incremental_inputs::report_script): New method.
13555         (Incremental_inputs::finalize_inputs): New method.
13556         (Incremental_inputs::Input_info): New struct.
13557         (Incremental_inputs::Input_info_map): New typedef.
13558         (Incremental_inputs::lock_): New field.
13559         (Incremental_inputs::Inputs_): New field.
13560         (Incremental_inputs::Inputs_map): New field.
13561         * main.cc (main): Call Incremental_input::report_inputs.
13562         * options.h (Input_argument_list): Typedef moved from
13563         Input_arguments.
13564         (Input_file_group::Files): Remove, use ::Input_argument_list.
13565         (Input_file_group::Input_argument_list): Remove, use
13566         ::Input_argument_list.
13567         * plugin.cc (Plugin_manager::add_input_file): Add error in
13568         incremental build.
13569         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
13570         functions.
13571         * script.cc (read_input_script): Call
13572         Incremental_input::report_script.
13573         * script.h (Script_info): New class.
13574
13575 2009-04-27  Ian Lance Taylor  <iant@google.com>
13576
13577         * x86_64.cc (do_adjust_output_section): Set entsize to
13578         plt_entry_size.
13579
13580 2009-04-23  Elliott Hughes  <enh@google.com>
13581
13582         * output.cc (Output_file::close): After short writes, continue
13583         writing from the correct offset in the buffer being written.
13584
13585 2009-04-23  Chris Demetriou  <cgd@google.com>
13586
13587         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
13588         * configure: Regenerate.
13589         * config.in: Regenerate.
13590         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
13591         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
13592
13593 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
13594
13595         * incremental.cc (Incremental_inputs_header_data): Renamed from
13596         Incremental_input_header_data.
13597         (Incremental_inputs_header_data::data_size): New field.
13598         (Incremental_inputs_header_data::put_input_file_count): Renamed
13599         from input_file_count.
13600         (Incremental_inputs_header_data::put_command_line_offset): Renamed
13601         from command_line_offset.
13602         (Incremental_inputs_header_data::put_reserved): Renamed from
13603         put_reserved.
13604         (Incremental_inputs_entry_data): Renamed from
13605         Incremental_input_entry_data.
13606         (Incremental_inputs_entry_data::data_size): New field.
13607         (Incremental_inputs::report_command_line): New method.
13608         (Incremental_inputs::finalize): New method.
13609         (Incremental_inputs::create_incremental_inputs_data): New method.
13610         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
13611         * incremental.h: New file.
13612         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
13613         (Layout::finalize): Create incremental inputs section in
13614         incremental builds.
13615         (Layout::create_incremental_info_sections): New method.
13616         * layout.h (Layout::incremental_inputs): New method.
13617         (Layout::create_incremental_info_sections): New method.
13618         (Layout::incremental_inputs_): New field.
13619         * main.cc (main): Notify Incremental_input of the command line.
13620
13621 2009-04-01  Ian Lance Taylor  <iant@google.com>
13622             Mikolaj Zalewski  <mikolajz@google.com>
13623
13624         * gold.h (reserve_unordered_map): Define, three versions, one for
13625         each version of Unordered_map.
13626         * layout.cc (Layout::Layout): Remove options parameter.  Add
13627         number_of_input_files parameter.  Don't initialize options_.
13628         Initialize number_of_input_files_ and resized_signatures_.  Move
13629         sections_are_attached_.
13630         (Layout::layout_group): Reserve space for group_signatures_.
13631         (Layout::find_or_add_kept_section): Change name parameter to be a
13632         reference.  Resize signatures_ map when it gets large enough.
13633         (Layout::layout_eh_frame): Use parameters->options() instead of
13634         this->options_.
13635         (Layout::make_output_section): Likewise.
13636         (Layout::attach_allocated_section_to_segment): Likewise.
13637         (Layout::finalize, Layout::create_executable_stack): Likewise.
13638         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
13639         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
13640         * layout.h (class Layout): Update declarations.  Remove options_
13641         field.  Add number_of_input_files_ and resized_signatures_
13642         fields.  Move sections_are_attached_ field.
13643         * main.cc (main): Pass number of input files to Layout
13644         constructor.  Don't pass options.
13645
13646 2009-03-30  Ian Lance Taylor  <iant@google.com>
13647
13648         * ffsll.c (ffsll): Correct implementation.
13649
13650 2009-03-27  Ian Lance Taylor  <iant@google.com>
13651
13652         * ffsll.c: New file.
13653         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
13654         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
13655         * ftruncate.c (ftruncate): Declare before definition.
13656         * mremap.c (mremap): Likewise.
13657         * pread.c (pread): Likewise.
13658         * configure, Makefile.in, config.in: Rebuild.
13659
13660         * mremap.c: New file.
13661         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
13662         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
13663         (mremap): Declare if HAVE_MREMAP is not defined.
13664         * configure, Makefile.in, config.in: Rebuild.
13665
13666 2009-03-27  Cary Coutant  <ccoutant@google.com>
13667
13668         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
13669         position independent.
13670         * sparc.cc (Target_sparc::check_non_pic): Likewise.
13671         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
13672
13673 2009-03-24  Cary Coutant  <ccoutant@google.com>
13674
13675         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
13676         an executable.
13677         (needs_dynamic_reloc): Likewise.
13678
13679 2009-03-24  Ian Lance Taylor  <iant@google.com>
13680
13681         * yyscript.y (file_cmd): Recognize EXTERN.
13682         (extern_name_list, extern_name_list_body): New nonterminals.
13683         * script.cc (script_add_extern): Define.
13684         * script-c.h (script_add_extern): Declare.
13685
13686 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
13687
13688         * object.cc (is_elf_object): Define.
13689         * object.h (is_elf_object): Declare.
13690         * archive.cc (Archive::get_elf_object_for_member): Call
13691         is_elf_object.
13692         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
13693
13694 2009-03-24  Elliott Hughes  <enh@google.com>
13695
13696         * output.cc (Output_file::map_anonymous): Define.
13697         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
13698         try an anonymous one.  Report the size if the mmap fails.
13699         * output.h (class Output_file): Declare map_anonymous.
13700
13701 2009-03-24  Ian Lance Taylor  <iant@google.com>
13702
13703         * target-select.cc (instantiate_target): Don't acquire the lock if
13704         the instantiated_target_ field has already been set.
13705
13706 2009-03-23  Ian Lance Taylor  <iant@google.com>
13707
13708         * gold-threads.h (class Initialize_lock): Define.
13709         * gold-threads.cc (class Initialize_lock_once): Define.
13710         (initialize_lock_control): New static variable.
13711         (initialize_lock_pointer): New static variable.
13712         (initialize_lock_once): New static function.
13713         (Initialize_lock::Initialize_lock): Define.
13714         (Initialize_lock::initialize): Define.
13715         * target-select.h: Include "gold-threads.h".
13716         (class Target_selector): Add lock_ and initialize_lock_ fields.
13717         Don't define instantiate_target, just declare it.
13718         * target-select.cc (Target_selector::Target_selector): Initialize
13719         new fields.
13720         (Target_selector::instantiate_target): Define.
13721         * descriptors.h: Include "gold-threads.h".
13722         (class Descriptors): Add initialize_lock_ field.
13723         * descriptors.cc (Descriptors::Descriptors): Initialize new
13724         field.
13725         (Descriptors::open): Use initialize_lock_ field
13726         * errors.h (class Errors): Add initialize_lock_ field.
13727         * errors.cc (Errors::Errors): Initialize new field.
13728         (Errors::initialize_lock): Use initialize_lock_ field.
13729         * powerpc.cc (class Target_selector_powerpc): Remove
13730         instantiated_target_ field.  In do_recognize call
13731         instantiate_target rather than do_instantiate_target.  In
13732         do_instantiate_target just allocate a new target.
13733         * sparc.cc (class Target_selector_sparc): Likewise.
13734
13735         * freebsd.h: New file.
13736         * i386.cc: Include "freebsd.h".
13737         (Target_i386): Derive from Target_freebsd rather than
13738         Sized_target.
13739         (Target_selector_i386): Derive from Target_selector_freebsd rather
13740         than Target_selector.
13741         * x86_64.cc: Include "freebsd.h".
13742         (Target_x86_64): Derive from Target_freebsd rather than
13743         Sized_target.
13744         (Target_selector_x86_64): Derive from Target_selector_freebsd
13745         rather than Target_selector.
13746         * target.h (class Target): Add adjust_elf_header and
13747         do_adjust_elf_header.
13748         * output.cc (Output_file_header:: do_sized_write): Call target
13749         adjust_elf_header routine.
13750         * configure.tgt: Set targ_osabi.
13751         * configure.ac: Define GOLD_DEFAULT_OSABI.
13752         * parameters.cc (Parameters::default_target): Pass
13753         GOLD_DEFAULT_OSABI to select_target.
13754         * target-select.h (class Target_selector): Make instantiate_target
13755         protected rather than private.
13756         * Makefile.am (HFILES): Add freebsd.h.
13757         * configure, Makefile.in, config.in: Rebuild.
13758
13759         * merge.cc (do_add_input_section): Correct pend value.  Change
13760         message about last entry not being null terminated from error to
13761         warning.
13762
13763 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
13764
13765         * incremental.cc: New file.
13766         * Makefile.am (CCFILES): Add incremental.cc.
13767         * Makefile.in: Rebuild.
13768
13769 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
13770
13771         * layout.cc (Layout::output_section_name): Preserve names
13772         of '.note.' sections.
13773
13774 2009-03-19  Ian Lance Taylor  <iant@google.com>
13775
13776         * descriptors.cc (Descriptors::open): Check that the options are
13777         valid before using them.
13778
13779 2009-03-18  Ian Lance Taylor  <iant@google.com>
13780
13781         * script-sections.h: Include <list>.
13782         (class Script_sections): Change Sections_elements from std::vector
13783         to std::list.  Typedef public Elements_iterator.  Add
13784         orphan_section_placement_, data_segment_align_start_, and
13785         saw_data_segment_align_ fields.  Remove data_segment_align_index_
13786         field.
13787         * script-sections.cc (class Orphan_section_placement): New class.
13788         (class Sections_element): Add virtual functions is_relro and
13789         orphan_section_init.  Remove virtual function place_orphan_here.
13790         (class Output_section_definition): Add is_relro and
13791         orphan_section_init.  Remove place_orphan_here.
13792         (class Orphan_output_section): Likewise.
13793         (Script_sections::Script_sections): Update for field changes.
13794         (Script_sections::data_segment_align): Set saw_data_segment_align_
13795         and data_segment_align_start_, not data_segment_align_index.
13796         (Script_sections::data_segment_relro_end): Check
13797         saw_data_segment_align_.  Use data_segment_align_start_ rather
13798         than data_segment_align_index_.
13799         (Script_sections::place_orphan): Rewrite to use
13800         Orphan_section_placement.
13801
13802 2009-03-17  Ian Lance Taylor  <iant@google.com>
13803
13804         * archive.cc (Archive::add_symbols): Check for a version attached
13805         to the symbol name in the archive map.
13806         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
13807         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
13808         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
13809         (ver_test_11.a): New target.
13810         * testsuite/Makefile.in: Rebuild.
13811
13812         * configure.ac: Check for chsize and posix_fallocate.  Replace
13813         ftruncate.
13814         * ftruncate.c: New file, from gnulib.
13815         * output.cc (posix_fallocate): Define dummy version if not
13816         HAVE_POSIX_FALLOCATE.
13817         (Output_file::map): Call posix_fallocate rather than lseek and
13818         write.
13819         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
13820         * configure, Makefile.in, config.in: Rebuild.
13821
13822 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
13823
13824         * layout.h (Layout::create_note): Add section_name parameter.
13825         * layout.cc (Layout::create_note): Likewise.
13826         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
13827
13828 2009-03-17  Ian Lance Taylor  <iant@google.com>
13829
13830         * descriptors.cc: Include "options.h".
13831         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
13832         (Descriptors::open): Always use O_CLOEXEC when opening a new
13833         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
13834         then set FD_CLOEXEC.
13835
13836         * sparc.cc (class Target_sparc): Add has_got_section.
13837         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
13838         make sure we have a GOT section.
13839
13840         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
13841         (Target_sparc::Scan::local): Likewise.
13842         (Target_sparc::Scan::global): Likewise.
13843         (Target_sparc::Relocate::relocate): Likewise.
13844         (Target_sparc::Relocate::relocate_tls): Likewise.
13845
13846         * symtab.cc (Symbol_table::define_default_version): New function,
13847         broken out of add_from_object.
13848         (Symbol_table::add_from_object): Call define_default_version.
13849         (Symbol_table::define_special_symbol): Add resolve_oldsym
13850         parameter.  Change all callers.  If the version for a symbol comes
13851         from a version script, resolve it with the symbol with the same
13852         name with no version.  Also add the symbol without a version if
13853         appropriate.
13854         (do_define_in_output_data): If resolving with oldsym, don't delete
13855         sym.
13856         (do_define_in_output_segment): Likewise.
13857         (do_define_as_constant): Likewise.
13858         * symtab.h (class Symbol_table): Update declarations.
13859
13860 2009-03-13  Ian Lance Taylor  <iant@google.com>
13861
13862         * readsyms.cc (Read_symbols::incompatible_warning): New function.
13863         (Read_symbols::requeue): New function.
13864         (Read_symbols::do_read_symbols): If make_elf_object fails because
13865         the target type is not configured, and the file was searched for,
13866         issue a warning and retry with the next directory.
13867         (Add_symbols::run): If the file has an incompatible format, and
13868         it was searched for, requeue the Read_symbols task.  On error,
13869         release the object.
13870         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
13871         dirindex parameter to constructor.  Change all callers.  Declare
13872         incompatible_warning and requeue.
13873         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
13874         input_argument_ and input_group_ fields.  Add them to
13875         constructor.  Change all callers.
13876         (class Read_script): Add dirindex_ field.  Add it to constructor.
13877         Change all callers.
13878         * archive.cc (Archive::setup): Remove input_objects parameter.
13879         Change all callers.
13880         (Archive::get_file_and_offset): Likewise.
13881         (Archive::read_all_symbols): Likewise.
13882         (Archive::read_symbols): Likewise.
13883         (Archive::get_elf_object_for_member): Remove input_objects
13884         parameter.  Add punconfigured parameter.  Change all callers.
13885         (Archive::add_symbols): Change return type to bool.  Check return
13886         value of include_member.
13887         (Archive::include_all_members): Likewise.
13888         (Archive::include_member): Change return type to bool.  Return
13889         false if first included object has incompatible target.  Set
13890         included_member_ field.
13891         (Add_archive_symbols::run): If add_symbols returns false, requeue
13892         Read_symbols task.
13893         * archive.h (class Archive): Add included_member_ field.
13894         Initialize it in constructor.  Add input_file and searched_for
13895         methods.  Update declarations.
13896         (class Add_archive_symbols): Add dirpath_, dirindex_, and
13897         input_argument_ fields.  Add them to constructor.  Change all
13898         callers.
13899         * script.cc: Include "target-select.h".
13900         (class Parser_closure): Add skip_on_incompatible_target_ and
13901         found_incompatible_target_ fields.  Add
13902         skip_on_incompatible_target parameter to constructor.  Change all
13903         callers.  Add methods skip_on_incompatible_target,
13904         clear_skip_on_incompatible_target, found_incompatible_target, and
13905         set_found_incompatible_target.
13906         (read_input_script): Add dirindex parameter.  Change all callers.
13907         If parser finds an incompatible target, requeue Read_symbols
13908         task.
13909         (script_set_symbol): Clear skip_on_incompatible_target in
13910         closure.
13911         (script_add_assertion, script_parse_option): Likewise.
13912         (script_start_sections, script_add_phdr): Likewise.
13913         (script_check_output_format): New function.
13914         * script.h (read_input_script): Update declaration.
13915         * script-c.h (script_check_output_format): Declare.
13916         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
13917         (ignore_cmd): Remove OUTPUT_FORMAT.
13918         * fileread.cc (Input_file::Input_file): Add explicit this.
13919         (Input_file::will_search_for): New function.
13920         (Input_file::open): Add pindex parameter.  Change all callers.
13921         * fileread.h (class Input_file): Add input_file_argument method.
13922         Declare will_search_for.  Update declarations.
13923         * object.cc (make_elf_object): Add punconfigured parameter.
13924         Change all callers.
13925         * object.h (class Object): Make input_file public.  Add
13926         searched_for method.
13927         (make_elf_object): Update declaration.
13928         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
13929         restart search.
13930         * dirsearch.h (class Dirsearch): Update declaration.
13931         * options.h (class General_options): Add --warn-search-mismatch.
13932         * parameters.cc (Parameters::is_compatible_target): New function.
13933         * parameters.h (class Parameters): Declare is_compatible_target.
13934         * workqueue.cc (Workqueue::add_blocker): New function.
13935         * workqueue.h (class Workqueue): Declare add_blocker.
13936
13937         * fileread.cc (Input_file::open): Remove options parameter.
13938         Change all callers.
13939         (Input_file::open_binary): Likewise.
13940         * script.cc (read_input_script): Likewise.
13941         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
13942         options parameter from constructor.  Change all callers.
13943         (class Read_script): Likewise.
13944         * fileread.h (class Input_file): Update declarations.
13945         * script.h (read_input_script): Update declaration.
13946
13947 2009-03-10  Nick Clifton  <nickc@redhat.com>
13948
13949         * po/es.po: New Spanish translation.
13950
13951 2009-03-06  Cary Coutant  <ccoutant@google.com>
13952
13953         * options.cc (parse_short_option): Keep dash_z from registering itself.
13954
13955 2009-03-03  Ian Lance Taylor  <iant@google.com>
13956
13957         PR 9918
13958         * target-reloc.h (relocate_section): Pass output_section to
13959         relocate.
13960         * i386.cc (Target_i386::should_apply_static_reloc): Add
13961         output_section parameter.  Change all callers.
13962         (Target_i386::Relocate::relocate): Add output_section parameter.
13963         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
13964         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
13965         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
13966         * testsuite/two_file_shared.sh: New script.
13967         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
13968         (check_DATA): Add two_file_shared.dbg.
13969         (two_file_shared.dbg): New target.
13970         * testsuite/Makefile.in: Rebuild.
13971
13972 2009-03-01  Ian Lance Taylor  <iant@google.com>
13973
13974         * configure.ac: Check for byteswap.h.
13975         * configure: Rebuild.
13976         * config.in: Rebuild.
13977
13978 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
13979
13980         * layout.cc (Layout::find_or_add_kept_section): New function.
13981         (Layout::add_comdat): Removed.
13982         * layout.h (struct Kept_section): Move out of class Layout.
13983         Remove trailing underscores from field names.  Add group_sections
13984         field.  Rename group_ field to is_group.  Change all uses.
13985         (class Layout): Declare find_or_add_kept_section, not add_comdat.
13986         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
13987         comdat_groups_ field.
13988         (Sized_relobj::include_section_group): Use
13989         find_or_add_kept_section and Kept_section::group_sections.
13990         (Sized_relobj::include_linkonce_section): Likewise.
13991         * object.cc (class Sized_relobj): Don't define Comdat_group or
13992         Comdat_group_table.  Remove find_comdat_group and
13993         add_comdat_group.  Remove comdat_groups_ field.
13994         * plugin.cc (include_comdat_group): Use
13995         Layout::find_or_add_kept_section.
13996
13997 2009-02-28  Ian Lance Taylor  <iant@google.com>
13998
13999         * README: --gc-sections and map files are now supported.  Document
14000         some build requirements.
14001
14002         PR 6992
14003         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
14004         relocatable link set the value of the section symbol to zero.
14005         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
14006         relocatable link don't include the section address in the local
14007         symbol value.
14008
14009 2009-02-27  Ian Lance Taylor  <iant@google.com>
14010
14011         PR 6811
14012         * options.h (class Search_directory): Add is_system_directory.
14013         (class General_options): Declare is_in_system_directory.
14014         * options.cc (get_relative_sysroot): Make static.
14015         (get_default_sysroot): Make static.
14016         (General_optoins::is_in_system_directory): New function.
14017         * fileread.cc (Input_file::is_in_system_directory): New function.
14018         * fileread.h (class Input_file): Declare is_in_system_directory.
14019         * object.h (class Object): Add is_in_system_directory.
14020         (class Input_objects): Remove system_library_directory_ field.
14021         * object.cc (Input_objects::add_object): Don't set
14022         system_library_directory_.
14023         (input_objects::found_in_system_library_directory): Remove.
14024         * symtab.cc (Symbol_table::write_globals): Remove input_objects
14025         parameter.  Change all callers.
14026         (Symbol_table::sized_write_globals): Likewise.
14027         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
14028         Call Object::is_in_system_directory.
14029         * symtab.h (class Symbol_table): Update declarations.
14030
14031         PR 5990
14032         * descriptors.h (Open_descriptor): Add is_on_stack field.
14033         * descriptors.cc (Descriptors::open): If the descriptor is on the
14034         top of the stack, remove it.  Initialize is_on_stack field.
14035         (Descriptors::release): Only add pod to stack if it is not on the
14036         stack already.
14037         (Descriptors::close_some_descriptor): Clear stack_next and
14038         is_on_stack fields.
14039
14040         PR 7091
14041         * output.cc (Output_section::find_starting_output_address): Rename
14042         from starting_output_address; add PADDR parameter; change return
14043         type.
14044         * output.h (class Output_section): Declare
14045         find_starting_output_address instead of starting_output_address.
14046         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
14047         section symbol for which we can't find a merge section.
14048
14049         PR 9836
14050         * symtab.cc (Symbol_table::add_from_object): If the visibility is
14051         hidden or internal, force the symbol to be local.
14052         * resolve.cc (Symbol::override_visibility): Define.
14053         (Symbol::override_base): Use override_visibility.
14054         (Symbol_table::resolve): Likewise.
14055         (Symbol::override_base_with_special): Likewise.
14056         (Symbol_table::override_with_special): If the visibility is hidden
14057         or internal, force the symbol to be local.
14058         * symtab.h (class Symbol): Add set_visibility and
14059         override_visibility.
14060         * testsuite/ver_test_1.sh: New file.
14061         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
14062         (check_DATA): Add ver_test_1.syms.
14063         (ver_test_1.syms): New target.
14064         * testsuite/Makefile.in: Rebuild.
14065
14066 2009-02-25  Cary Coutant  <ccoutant@google.com>
14067
14068         * layout.cc (Layout::choose_output_section): Don't rename sections
14069         when using a linker script that has a SECTIONS clause.
14070         * Makefile.in: Regenerate.
14071
14072         * testsuite/Makefile.am (script_test_5.sh): New test case.
14073         * testsuite/Makefile.in: Regenerate.
14074         * testsuite/script_test_5.cc: New file.
14075         * testsuite/script_test_5.sh: New file.
14076         * testsuite/script_test_5.t: New file.
14077
14078 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
14079
14080         * archive.cc (Archive::include_member): Update calls to add_symbols.
14081         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
14082         the Layout argument.
14083         * dynobj.h (do_add_symbols): Add the Layout argument.
14084         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
14085         Layout argument.
14086         * object.h (Object::add_symbols): Add the Layout argument.
14087         (Object::do_add_symbols): Add the Layout argument.
14088         (Sized_relobj::do_add_symbols): Add the Layout argument.
14089         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
14090         Unify the two versions.
14091         (Add_plugin_symbols): Remove.
14092         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
14093         (Sized_pluginobj::do_add_symbols): Unify the two versions.
14094         (Add_plugin_symbols): Remove.
14095         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
14096         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
14097         (Add_symbols::run): Make it work with Pulginobj.
14098
14099 2009-02-06  Ian Lance Taylor  <iant@google.com>
14100
14101         * object.cc (Sized_relobj::do_layout): Make info message start
14102         with lower case letter.
14103
14104 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
14105
14106         * binary.cc: Fix file comment.
14107
14108         * options.h (enum Incremental_disposition): Define.
14109         (class General_options): Add new options: --incremental,
14110         --incremental_changed, --incremental_unchanged,
14111         --incremental_unknown.  Add incremental_disposition_ and
14112         implicit_incremental_ fields.
14113         (General_options::incremental_disposition): New function.
14114         (class Position_dependent_options): Add incremental_disposition
14115         option.
14116         (Position_dependent_options::copy_from_options): Set incremental
14117         dispositions.
14118         * options.cc (General_options::parse_incremental_changed): New
14119         function.
14120         (General_options::parse_incremental_unchanged): New function.
14121         (General_options::parse_incremental_unknown): New function.
14122         (General_options::General_options): Initialize new fields
14123         incremental_disposition_ and implicit_incremental_.
14124         (General_options::finalize): Check for uasge of --incremental-*
14125         without --incremental.
14126
14127 2009-02-06  Chris Demetriou  <cgd@google.com>
14128
14129         * gold.h (gold_undefined_symbol): Change to take only a Symbol
14130         pointer and to report location as the file name associated with
14131         the symbol.
14132         (gold_undefined_symbol_at_location): New function to replace the
14133         old gold_undefined_symbol functionality.
14134         * target-reloc.h (relocate_section): Update to use
14135         gold_undefined_symbol_at_location.
14136         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
14137         Call gold_undefined_symbol function rather than gold_error.
14138         * errors.h (Errors::undefined_symbol): Take location as a
14139         string, rather than calculating it from a relocation.
14140         * errors.cc (Errors::fatal): Print "fatal error:" before the
14141         formatted message.
14142         (Errors::error, Errors::error_at_location): Print "error: "
14143         before the formatted message.
14144         (Errors::undefined_symbol): Take location as a string, rather
14145         than calculating it from a relocation.
14146         (gold_undefined_symbol_at_location): New function akin to
14147         old gold_undefined_symbol, calculates location from relocation.
14148         (gold_undefined_symbol): Change to take only a Symbol pointer
14149         and to report location as the file name associated with the symbol.
14150         * testsuite/debug_msg.sh: Update for changed error messages.
14151         * testsuite/undef_symbol.sh: Likewise.
14152
14153 2009-02-04  Duncan Sands  <baldrick@free.fr>
14154
14155         PR 9812
14156         * reduced_debug_output.h
14157         (Output_reduced_debug_abbrev_section::failed): Use format for
14158         gold_warning.
14159         (Output_reduced_debug_info_section::faild): Likewise.
14160
14161 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
14162
14163         * script.cc (Lazy_demangler): New class.
14164         (Version_script_info::get_symbol_version_helper): Demangle a
14165         symbol only once.
14166
14167 2009-01-29  Cary Coutant  <ccoutant@google.com>
14168
14169         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
14170         to __tls_get_addr.
14171         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
14172
14173 2009-01-28  Ian Lance Taylor  <iant@google.com>
14174
14175         * version.cc (version_string): Bump to 1.9.
14176
14177         * gold.h: Include <cstring> and <stdint.h>.
14178         * version.cc: Include <cstdio>.
14179         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
14180         warning.
14181         * reduced_debug_output.cc (insert_into_vector): Rename from
14182         Insert_into_vector; change all callers.  Use Swap_unaligned to
14183         avoid aliasing issue; remove union since it is unnecessary.
14184
14185 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
14186
14187         * Makefile.am (CCFILES): Add gc.cc.
14188         (HFILES): Add gc.h.
14189         * Makefile.in: Regenerate.
14190         * gold.cc (Gc_runner): New class.
14191         (queue_initial_tasks): Call garbage collection related tasks
14192         when corresponding options are invoked.
14193         (queue_middle_gc_tasks): New function.
14194         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
14195         processed early before laying out sections during garbage collection.
14196         * gold.h (queue_middle_gc_tasks): New function.
14197         (is_prefix_of): Move from "layout.cc".
14198         * i386.cc (Target_i386::gc_process_relocs): New function.
14199         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
14200         * main.cc (main): Create object of class "Garbage_collection".
14201         * object.cc (Relobj::copy_symbols_data): New function.
14202         (Relobj::is_section_name_included): New function.
14203         (Sized_relobj::do_layout): Allow this function to be called twice
14204         during garbage collection and defer layout of section during the
14205         first call.
14206         * object.h (Relobj::get_symbols_data): New function.
14207         (Relobj::is_section_name_included): New function.
14208         (Relobj::copy_symbols_data): New function.
14209         (Relobj::set_symbols_data): New function.
14210         (Relobj::get_relocs_data): New function.
14211         (Relobj::set_relocs_data): New function.
14212         (Relobj::is_output_section_offset_invalid): New pure virtual function.
14213         (Relobj::gc_process_relocs): New function.
14214         (Relobj::do_gc_process_relocs): New pure virtual function.
14215         (Relobj::sd_): New data member.
14216         (Sized_relobj::is_output_section_offset_invalid): New function.
14217         (Sized_relobj::do_gc_process_relocs): New function.
14218         * options.h (General_options::gc_sections): Modify to not be a no-op.
14219         (General_options::print_gc_sections): New option.
14220         * plugin.cc (Plugin_finish::run): Remove function call to
14221         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
14222         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
14223         * reloc.cc (Read_relocs::run): Add task to process relocs and
14224         determine unreferenced sections when doing garbage collection.
14225         (Gc_process_relocs): New class.
14226         (Sized_relobj::do_gc_process_relocs): New function.
14227         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
14228         sections that are garbage collected.
14229         * reloc.h (Gc_process_relocs): New class.
14230         * sparc.cc (Target_sparc::gc_process_relocs): New function.
14231         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
14232         symbols whose corresponding sections are garbage collected.
14233         (Symbol_table::Symbol_table): Add new parameter for the garbage
14234         collection object.
14235         (Symbol_table::gc_mark_undef_symbols): New function.
14236         (Symbol_table::gc_mark_symbol_for_shlib): New function.
14237         (Symbol_table::gc_mark_dyn_syms): New function.
14238         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
14239         as garbage.
14240         (Symbol_table::add_from_object): Likewise.
14241         (Symbol_table::add_from_relobj): When building shared objects, do not
14242         treat externally visible symbols as garbage.
14243         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
14244         table information for static and relocatable links.
14245         * symtab.h (Symbol_table::set_gc): New function.
14246         (Symbol_table::gc): New function.
14247         (Symbol_table::gc_mark_undef_symbols): New function.
14248         (Symbol_table::gc_mark_symbol_for_shlib): New function.
14249         (Symbol_table::gc_mark_dyn_syms): New function.
14250         (Symbol_table::gc_): New data member.
14251         * target.h (Sized_target::gc_process_relocs): New pure virtual
14252         function.
14253         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
14254         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
14255
14256 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
14257
14258         * options.h (General_options::gc_sections): Define as a no-op for now.
14259         (General_options::no_keep_memory): Ditto.
14260         (General_options::Bshareable): Define.
14261         * options.cc (General_options::finalize): Honor -Bshareable.
14262
14263 2009-01-20  Andreas Schwab  <schwab@suse.de>
14264
14265         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
14266         read the value in the contents, since we don't use it.  Use the
14267         template endianness when writing.
14268         (Relocate::relocate): Use it for R_PPC_REL16_HA.
14269
14270 2009-01-19  Andreas Schwab  <schwab@suse.de>
14271
14272         * configure.tgt (powerpc64-*): Fix targ_obj.
14273
14274 2009-01-15  Ian Lance Taylor  <iant@google.com>
14275
14276         * object.cc (Sized_relobj::write_local_symbols): Don't write out
14277         local symbols when stripping all symbols.
14278
14279 2009-01-14  Cary Coutant  <ccoutant@google.com>
14280
14281         * output.cc (Output_reloc): Add explicit instantiations.
14282
14283 2009-01-14  Cary Coutant  <ccoutant@google.com>
14284
14285         * archive.cc (Archive::get_elf_object_for_member): Remove call
14286         to File_read::claim_for_plugin.
14287         * descriptors.cc (Descriptors::open): Remove reference to
14288         is_claimed.
14289         (Descriptors::claim_for_plugin): Remove.
14290         * descriptors.h (Descriptors::claim_for_plugin): Remove.
14291         (Descriptors::is_claimed): Remove.
14292         (claim_descriptor_for_plugin): Remove.
14293         * fileread.cc (File_read::claim_for_plugin): Remove.
14294         * fileread.h (File_read::claim_for_plugin): Remove.
14295         (File_read::descriptor): Reopen descriptor if necessary.
14296         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
14297         (Plugin_manager::all_symbols_read): Add task parameter. Change
14298         all callers.
14299         (Plugin_manager::get_input_file): New function.
14300         (Plugin_manager::release_input_file): New function.
14301         (Pluginobj::Pluginobj): Add filesize parameter and initialize
14302         corresponding data member.
14303         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
14304         and pass to base constructor. Change all callers.
14305         (get_input_file, release_input_file): New functions.
14306         (make_sized_plugin_object): Add filesize parameter. Change all callers.
14307         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
14308         (Plugin_manager::all_symbols_read): Add task parameter.
14309         (Plugin_manager::get_input_file): New function.
14310         (Plugin_manager::release_input_file): New function.
14311         (Plugin_manager::task_): New data member.
14312         (Pluginobj::Pluginobj): Add filesize parameter.
14313         (Pluginobj::filename): New function.
14314         (Pluginobj::descriptor): New function.
14315         (Pluginobj::filesize): New function.
14316         (Pluginobj::filesize_): New data member.
14317         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
14318         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
14319         File_read::claim_for_plugin; use Object::unlock to unlock the file.
14320
14321         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
14322         with archive libraries.
14323         * testsuite/Makefile.in: Regenerate.
14324         * testsuite/plugin_test.c (struct sym_info): New type.
14325         (get_input_file, release_input_file): New static variables.
14326         (onload): Capture new transfer vector entries.
14327         (claim_file_hook): Stop reading at end of file according to filesize.
14328         Factor out parsing of readelf output into separate function.
14329         (all_symbols_read_hook): Exercise get_input_file and release_input_file
14330         APIs and get the source file name from the symbol table.  Convert
14331         source file name to corresponding object file name.  Print info
14332         message when adding new input files.
14333         (parse_readelf_line): New function.
14334         * testsuite/plugin_test_1.sh: Add checks for new info messages.
14335         * testsuite/plugin_test_2.sh: Likewise.
14336         * testsuite/plugin_test_3.sh: Likewise.
14337         * testsuite/plugin_test_4.sh: New test case.
14338
14339 2009-01-07  Ian Lance Taylor  <iant@google.com>
14340
14341         * version.cc (version_string): Bump to 1.8.
14342
14343 2008-12-23  Cary Coutant  <ccoutant@google.com>
14344
14345         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
14346         * plugin.cc (Plugin_manager::finish): Rename as
14347         layout_deferred_objects.  Move cleanup to separate function.
14348         (Plugin_manager::cleanup): New function.
14349         (Plugin_finish::run): Call layout_deferred_objects and cleanup
14350         separately.
14351         * plugin.h (Plugin_manager::finish): Rename as
14352         layout_deferred_objects.
14353         (Plugin_manager::cleanup): New function.
14354         (Plugin_manager::cleanup_done): New field.
14355
14356 2008-12-23  Cary Coutant  <ccoutant@google.com>
14357
14358         * plugin.cc (is_visible_from_outside): New function.
14359         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
14360         so we don't return "IR only" status for exported symbols or -r links.
14361
14362         * testsuite/Makefile.am (plugin_test_3): New test case.
14363         * testsuite/Makefile.in: Regenerate.
14364         * testsuite/plugin_test_3.sh: New file.
14365
14366 2008-12-22  Cary Coutant  <ccoutant@google.com>
14367
14368         * object.cc (Sized_relobj::layout_section): New function.
14369         (Sized_relobj::do_layout): Defer layout of input sections until after
14370         plugin has provided replacement files.
14371         (Sized_relobj::do_layout_deferred_sections): New function.
14372         * object.h (Relobj::set_section_offset): Remove virtual keyword.
14373         (Relobj::layout_deferred_sections): New function.
14374         (Relobj::do_layout_deferred_sections): New function.
14375         (Sized_relobj::do_layout_deferred_sections): New function.
14376         (Sized_relobj::layout_section): New function.
14377         (Sized_relobj::Deferred_layout): New structure.
14378         (Sized_relobj::deferred_layout_): New field.
14379         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
14380         Change all callers.  Layout deferred sections.
14381         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
14382         references.
14383         (Plugin_hook::run): Move code from do_plugin_hook inline.
14384         (Plugin_hook::do_plugin_hook): Remove.
14385         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
14386         (Plugin_manager::finish): Renamed, was cleanup.
14387         (Plugin_manager::should_defer_layout): New function.
14388         (Plugin_manager::add_deferred_layout_object): New function.
14389         (Plugin_manager::Deferred_layout_list): New type.
14390         (Plugin_manager::deferred_layout_objects_): New field.
14391         (Plugin_hook::do_plugin_hook): Remove.
14392
14393 2008-12-17  Ian Lance Taylor  <iant@google.com>
14394
14395         * options.h (class General_options): Add --no case for
14396         --export-dynamic.
14397
14398 2008-12-16  Cary Coutant  <ccoutant@google.com>
14399
14400         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
14401         vector.
14402         (Plugin_manager::claim_file): Create plugin object even if
14403         plugin did not call the add_symbols callback.
14404         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
14405         asking for more symbols than were added.
14406         * testsuite/Makefile.am (plugin_test_1): Add test case with
14407         no global symbols.
14408         (empty.syms): New target.
14409         * testsuite/Makefile.in: Regenerate.
14410         * testsuite/plugin_test.c (claim_file_hook): Add new debug
14411         message. Don't call add_symbols if no globals.
14412         (all_symbols_read_hook): Don't provide replacement for empty
14413         claimed file.
14414
14415 2008-12-12  Ian Lance Taylor  <iant@google.com>
14416
14417         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
14418         r_type == 0 for a local symbol with r_sym == 0.
14419         (scan_relocatable_relocs): Pass r_sym to
14420         local_non_section_strategy.
14421         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
14422         r_sym parameter.
14423
14424         * configure.ac: Update test for TLS descriptors: they are
14425         supported as of glibc 2.9.
14426         * configure: Rebuild.
14427
14428 2008-12-11  Ian Lance Taylor  <iant@google.com>
14429
14430         PR 7091
14431         * target-reloc.h (Default_scan_relocatable_relocs): For each
14432         function, map r_type == 0 to RELOC_DISCARD.
14433
14434 2008-12-10  Cary Coutant  <ccoutant@google.com>
14435
14436         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
14437         object to override a kept COMDAT group from a plugin object.
14438
14439 2008-12-09  Ian Lance Taylor  <iant@google.com>
14440
14441         PR 7088
14442         * yyscript.y (file_cmd): Handle INPUT.
14443
14444         * testsuite/initpri1.c: Change all declarations to be full
14445         prototypes by adding void, to avoid compiler warnings.
14446
14447 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
14448
14449         * options.cc (General_options::parse_plugin_opt): New.
14450         (General_options::add_plugin): The argument now is just the filename.
14451         (General_options::add_plugin_option): New.
14452         * options.h (plugin_opt): New.
14453         (add_plugin): Change argument name.
14454         (add_plugin_option): New.
14455         * plugin.cc (Plugin::load): Don't parse the plugin option.
14456         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
14457         (Plugin::add_option): New.
14458         (Plugin::args_): Change type.
14459         (Plugin::filename_): New.
14460         (Plugin_manager::add_plugin_option): New.
14461         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
14462         * testsuite/Makefile.in: Regenerate.
14463
14464 2008-12-05  Cary Coutant  <ccoutant@google.com>
14465
14466         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
14467         Handle --strip-lto-sections option.
14468         * options.h (strip_lto_sections): New option.
14469
14470 2008-12-01  Cary Coutant  <ccoutant@google.com>
14471
14472         * plugin.cc (ld_plugin_message): Change format parameter to const.
14473         Fix mismatch between new[] and delete.
14474
14475 2008-11-14  Cary Coutant  <ccoutant@google.com>
14476
14477         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
14478         instead of -1U.
14479
14480 2008-11-05  Craig Silverstein  <csilvers@google.com>
14481
14482         * options.cc (General_options::parse_dynamic_list): New function.
14483         * options.h (General_options): New flags dynamic_list,
14484         dynamic_list_data, dynamic_list_cpp_new, and
14485         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
14486         (General_options::in_dynamic_list): New function.
14487         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
14488         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
14489         (Lex::can_continue_name): Likewise.
14490         (yylex): Likewise.
14491         (read_script_file): New parameter script_options.
14492         (read_dynamic_list): New function.
14493         (Script_options::define_dynamic_list): New function.
14494         (dynamic_list_keyword_parsecodes): New variable.
14495         (dynamic_list_keywords): New variable.
14496         * script.h (Script_options::define_dynamic_list): New function
14497         prototype.
14498         (read_dynamic_list): New function prototype.
14499         * symtab.cc (strprefix): New macro.
14500         (Symbol::should_add_dynsym_entry): Support dynamic_list,
14501         dynamic_list_data, dynamic_list_cpp_new, and
14502         dynamic_list_cpp_typeinfo.
14503         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
14504         (dynamic_list_expr): New rule.
14505         (dynamic_list_nodes): Likewise.
14506         (dynamic_list_node): Likewise.
14507         * testsuite/Makefile.am (dynamic_list): New test.
14508         * testsuite/Makefile.in: Regenerated.
14509         * testsuite/dynamic_list.t: New file.
14510         * testsuite/dynamic_list.sh: New file.
14511
14512 2008-11-05  Craig Silverstein  <csilvers@google.com>
14513
14514         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
14515         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
14516         (t11_last): Likewise.
14517         * testsuite/ver_test_6.c (main): Likewise.
14518
14519 2008-10-07  Cary Coutant  <ccoutant@google.com>
14520
14521         * options.c (General_options::finalize): Add check for -static and
14522         -shared.
14523         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
14524         is not empty.
14525
14526 2008-10-02  Cary Coutant  <ccoutant@google.com>
14527
14528         * plugin.cc (make_sized_plugin_object): Fix conditional
14529         compilation to work when not all targets are enabled.
14530
14531 2008-09-29  Cary Coutant  <ccoutant@google.com>
14532
14533         * archive.cc (Archive::get_file_and_offset): Use filename instead
14534         of name to get library path.
14535         (Archive::include_member): Unlock external member of a thin archive.
14536
14537         * testsuite/Makefile.am (TEST_AR): New variable.
14538         (thin_archive_test_1): New test.
14539         (thin_archive_test_2): New test.
14540         * testsuite/Makefile.in: Regenerate.
14541         * testsuite/thin_archive_main.cc: New file.
14542         * testsuite/thin_archive_test_1.cc: New file.
14543         * testsuite/thin_archive_test_2.cc: New file.
14544         * testsuite/thin_archive_test_3.cc: New file.
14545         * testsuite/thin_archive_test_4.cc: New file.
14546
14547 2008-09-29  Cary Coutant  <ccoutant@google.com>
14548
14549         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
14550         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
14551         instead of -1U.
14552         (Sized_relobj::do_finalize_local_symbols): Likewise.
14553         (Sized_relobj::map_to_kept_section): Likewise.
14554         * object.h (Sized_relobj::invalid_address): New constant.
14555         (Sized_relobj::do_output_section_offset): Check for invalid_address
14556         and return -1ULL.
14557         * output.cc (Output_reloc::local_section_offset): Use constant
14558         invalid_address instead of -1U.
14559         (Output_reloc::get_address): Likewise.
14560         (Output_section::output_address): Change -1U to -1ULL.
14561         * output.h (Output_reloc::invalid_address): New constant.
14562         * reloc.cc (Sized_relobj::write_sections): Use constant
14563         invalid_address instead of -1U.
14564         (Sized_relobj::relocate_sections): Likewise.
14565         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
14566         values for merge sections.
14567         * target-reloc.h (relocate_for_relocatable): Use constant
14568         invalid_address instead of -1U.
14569
14570 2008-09-19  Cary Coutant  <ccoutant@google.com>
14571
14572         Add plugin functionality for link-time optimization (LTO).
14573         * configure.ac (plugins): Add --enable-plugins option.
14574         * configure: Regenerate.
14575         * config.in: Regenerate.
14576         * Makefile.am (LIBDL): New variable.
14577         (CCFILES): Add plugin.cc.
14578         (HFILES): Add plugin.h.
14579         (ldadd_var): Add LIBDL.
14580         * Makefile.in: Regenerate.
14581
14582         * archive.cc: Include "plugin.h".
14583         (Archive::setup): Don't preread archive symbols when using a plugin.
14584         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
14585         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
14586         files.
14587         (Archive::include_member): Add symbols from plugin objects.
14588         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
14589         * descriptors.cc (Descriptors::open): Check for file descriptors
14590         abandoned by plugins.
14591         (Descriptors::claim_for_plugin): New function.
14592         * descriptors.h (Descriptors::claim_for_plugin): New function.
14593         (Open_descriptor::is_claimed): New field.
14594         (claim_descriptor_for_plugin): New function.
14595         * fileread.cc (File_read::claim_for_plugin): New function.
14596         * fileread.h (File_read::claim_for_plugin): New function.
14597         (File_read::descriptor): New function.
14598         * gold.cc: Include "plugin.h".
14599         (queue_initial_tasks): Add task to call plugin hooks for generating
14600         new object files.
14601         * main.cc: Include "plugin.h".
14602         (main): Load plugin libraries.
14603         * object.h (Pluginobj): Declare.
14604         (Object::pluginobj): New function.
14605         (Object::do_pluginobj): New function.
14606         (Object::set_target): New function.
14607         * options.cc: Include "plugin.h".
14608         (General_options::parse_plugin): New function.
14609         (General_options::General_options): Initialize plugins_ field.
14610         (General_options::add_plugin): New function.
14611         * options.h (Plugin_manager): Declare.
14612         (General_options): Add --plugin option.
14613         (General_options::has_plugins): New function.
14614         (General_options::plugins): New function.
14615         (General_options::add_plugin): New function.
14616         (General_options::plugins_): New field.
14617         * plugin.cc: New file.
14618         * plugin.h: New file.
14619         * readsyms.cc: Include "plugin.h".
14620         (Read_symbols::do_read_symbols): Check for archive before checking
14621         for ELF file.  Call plugin hooks to claim files.
14622         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
14623         from a real object file; force override when processing replacement
14624         files.
14625         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
14626         (Symbol::init_base_object): Likewise.
14627         (Symbol::init_base_output_data): Likewise.
14628         (Symbol::init_base_output_segment): Likewise.
14629         (Symbol::init_base_constant): Likewise.
14630         (Symbol::init_base_undefined): Likewise.
14631         (Symbol::output_section): Assert that object is not a plugin.
14632         (Symbol_table::add_from_pluginobj): New function.
14633         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
14634         undefined.
14635         (Symbol_table::sized_write_globals): Likewise.
14636         (Symbol_table::add_from_pluginobj): Instantiate template.
14637         * symtab.h (Sized_pluginobj): Declare.
14638         (Symbol::in_real_elf): New function.
14639         (Symbol::set_in_real_elf): New function.
14640         (Symbol::in_real_elf_): New field.
14641         (Symbol_table::add_from_pluginobj): New function.
14642
14643         * testsuite/Makefile.am (AM_CFLAGS): New variable.
14644         (LIBDL): New variable.
14645         (LDADD): Add LIBDL.
14646         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
14647         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
14648         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
14649         (MOSTLYCLEANFILES): Likewise.
14650         * testsuite/Makefile.in: Regenerate.
14651         * testsuite/plugin_test.c: New file.
14652         * testsuite/plugin_test_1.sh: New file.
14653         * testsuite/plugin_test_2.sh: New file.
14654
14655 2008-09-16  Ian Lance Taylor  <iant@google.com>
14656
14657         * target-reloc.h (relocate_section): Check whether a symbol is
14658         defined by the ABI before reporting an undefined symbol error.
14659         * target.h (Target::is_defined_by_abi): Make parameter const.
14660         (Target::do_is_defined_by_abi): Likewise.
14661         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
14662         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
14663         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
14664         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
14665         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
14666         * testsuite/Makefile.in: Rebuild.
14667
14668         * fileread.cc (make_view): Add casts to avoid warning.
14669
14670 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
14671
14672         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
14673         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
14674
14675 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
14676
14677         * options.h (General_options::output_is_executable): New.
14678         (General_options::output_is_pie): New.
14679         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
14680         for shared libraries.
14681         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
14682
14683 2008-09-11  Chris Demetriou  <cgd@google.com>
14684
14685         * options.h (origin): New -z option.
14686         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
14687         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
14688         in DT_FLAGS_1.
14689
14690 2008-09-05  Cary Coutant  <ccoutant@google.com>
14691
14692         * fileread.cc (File_read::make_view): Add check for attempt to map
14693         beyond end of file.
14694
14695 2008-09-05  Cary Coutant  <ccoutant@google.com>
14696
14697         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
14698         explicit instantiations.
14699
14700 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
14701
14702         PR gold/6858
14703         * options.cc (General_options::finalize): Allow undefined symbols
14704         in shlibs if linking -shared.
14705
14706         PR gold/6859
14707         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
14708         symbols as not needing a dynsym entry.
14709
14710 2008-08-20  Craig Silverstein  <csilvers@google.com>
14711
14712         * fileread.cc (File_read::open): Do not lock the file unless it
14713         was successfully opened.
14714
14715 2008-08-14  Cary Coutant  <ccoutant@google.com>
14716
14717         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
14718         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
14719         * testsuite/tls_test.cc (struct int128): 128-bit struct
14720         for testing TLS relocs with non-zero addend.
14721         (v12): New TLS variable.
14722         (t12): New test.
14723         (t_last): Add check for v12.
14724         * testsuite/tls_test.h (t12): New function.
14725         * testsuite/tls_test_main.cc (thread_routine): Call new test.
14726
14727 2008-08-13  Ian Lance Taylor  <iant@google.com>
14728
14729         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
14730         set tls_segment_ or relro_segment_.
14731         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
14732         when appropriate.
14733         * output.h (Output_section::clear_is_relro): New function.
14734         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
14735         sections specially even when output_data_ is empty.
14736         (Output_segment::maximum_alignment): When first section is relro,
14737         only force alignment for PT_LOAD segments.
14738         * script.cc (script_data_segment_align): New function.
14739         (script_data_segment_relro_end): New function.
14740         * script-c.h (script_data_segment_align): Declare.
14741         (script_data_segment_relro_end): Declare.
14742         * script-sections.h (class Script_sections): Declare
14743         data_segment_align and data_segment_relro_end.  Add fields
14744         segment_align_index_ and saw_relro_end_.
14745         * script-sections.cc (class Sections_element): Add set_is_relro
14746         virtual function.  Add new bool* parameter to place_orphan_here.
14747         Add get_output_section virtual function.
14748         (class Output_section_definition): Add set_is_relro.  Add new
14749         bool* parameter to place_orphan_here.  Add get_output_section.
14750         Add is_relro_ field.
14751         (Output_section_definition::Output_section_definition): Initialize
14752         evaluated_address_, evaluated_load_address, evaluated_addralign_,
14753         and is_relro_ fields.
14754         (Output_section_definition::place_orphan_here): Add is_relro
14755         parameter.
14756         (Output_section_definition::set_section_addresses): Set relro for
14757         output section.
14758         (Output_section_definition::alternate_constraint): Likewise.
14759         (class Orphan_output_section): Add new bool* parameter to
14760         place_orphan_here.  Add get_output_section.
14761         (Orphan_output_section::place_orphan_here): Add is_relro
14762         parameter.
14763         (Script_sections::Script_sections): Initialize
14764         data_segment_align_index_ and saw_relro_end_.
14765         (Script_sections::data_segment_align): New function.
14766         (Script_sections::data_segment_relro_end): New function.
14767         (Script_sections::place_orphan): Set or clear is_relro.
14768         (Script_sections::set_section_addresses): Force alignment of first
14769         TLS section.
14770         * yyscript.y (exp): Call script_data_segment_align and
14771         script_data_segment_relro_end.
14772         * testsuite/relro_script_test.t: New file.
14773         * testsuite/relro_test.cc (using_script): Declare.
14774         (t1, t2): Test using_script.
14775         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
14776         (relro_script_test_SOURCES): Define.
14777         (relro_script_test_DEPENDENCIES): Define.
14778         (relro_script_test_LDFLAGS): Define.
14779         (relro_script_test_LDADD): Define.
14780         (relro_script_test.so): New target.
14781         * testsuite/Makefile.in: Rebuild.
14782
14783 2008-08-06  Cary Coutant <ccoutant@google.com>
14784
14785         * archive.cc (Archive::total_archives, Archive::total_members)
14786         (Archive::total_members_loaded): New variables.
14787         (Archive::setup): Add parameter.  Add option to preread
14788         archive symbols.
14789         (Archive::read_armap): Add counter.
14790         (Archive::get_file_and_offset): New function.
14791         (Archive::get_elf_object_for_member): New function.
14792         (Archive::read_all_symbols): New function.
14793         (Archive::read_symbols): New function.
14794         (Archive::add_symbols): Add counters.
14795         (Archive::include_all_members): Use armap to find members if it's
14796         already built.
14797         (Archive::include_member): Skip reading symbols if already read.
14798         Factored code into Archive::get_file_and_offset and
14799         Archive::get_elf_object_for_member.  Changed call to
14800         Mapfile::report_include_archive_member.
14801         (Archive::print_stats): New function.
14802         * archive.h: Declare Object and Read_symbols_data classes.
14803         (Archive::Archive): Add initializers for new members.
14804         (Archive::setup): Add parameter.
14805         (Archive::print_stats): New function.
14806         (Archive::total_archives, Archive::total_members)
14807         (Archive::total_members_loaded): New variables.
14808         (Archive::get_file_and_offset): New function.
14809         (Archive::get_elf_object_for_member): New function.
14810         (Archive::read_all_symbols): New function.
14811         (Archive::read_symbols): New function.
14812         (Archive::Archive_member): New class.
14813         (Archive::members_): New member.
14814         (Archive::num_members_): New member.
14815         * main.cc: Include archive.h.
14816         (main): Call Archive::print_stats.
14817         * mapfile.cc (Mapfile::report_include_archive_member): Delete
14818         archive parameter; member_name is now the fully-decorated name.
14819         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
14820         * options.h: (General_options): Add --preread-archive-symbols option.
14821         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
14822         Archive::setup.
14823
14824 2008-08-04  Ian Lance Taylor  <iant@google.com>
14825
14826         * symtab.h (Symbol::use_plt_offset): New function.
14827         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
14828         * powerpc.cc (Relocate::relocate): Likewise.
14829         * sparc.cc (Relocate::relocate): Likewise.
14830         * x86_64.cc (Relocate::relocate): Likewise.
14831         * testsuite/weak_plt.sh: New test.
14832         * testsuite/weak_plt_main.cc: New test.
14833         * testsuite/weak_plt_shared.cc: New test.
14834         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
14835         (check_PROGRAMS): Add weak_plt.
14836         (check_DATA): Add weak_plt_shared.so.
14837         (weak_plt_main_pic.o, weak_plt): New targets.
14838         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
14839         * testsuite/Makefile.in: Rebuild.
14840
14841         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
14842         gcctestdir/ld.
14843         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
14844         * testsuite/Makefile.in: Rebuild.
14845
14846 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
14847
14848         * Makefile.am (POTFILES.in): Set LC_ALL=C.
14849         * Makefile.in: Regenerate.
14850         * po/POTFILES.in: Regenerate.
14851
14852 2008-07-29  Ian Lance Taylor  <iant@google.com>
14853
14854         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
14855         symbols before other symbols.
14856         * testsuite/script_test_2.cc (test_addr): Declare.
14857         (test_addr_alias): Declare.
14858         (main): Check that test_addr and test_addr_alias have the right
14859         values.
14860         * testsuite/script_test_2.t: Define test_addr_alias and
14861         test_addr.
14862
14863 2008-07-24  Ian Lance Taylor  <iant@google.com>
14864
14865         PR 5990
14866         * descriptors.cc: New file.
14867         * descriptors.h: New file.
14868         * gold-threads.h (class Hold_optional_lock): New class.
14869         * fileread.cc: Include "descriptors.h".
14870         (File_read::~File_read): Release descriptor rather than closing
14871         it.
14872         (File_read::open) [file]: Call open_descriptor rather than open.
14873         Set is_descriptor_opened_.
14874         (File_read::open) [memory]: Assert that descriptor is not open.
14875         (File_read::reopen_descriptor): New function.
14876         (File_read::release): Release descriptor.
14877         (File_read::do_read): Make non-const.  Reopen descriptor.
14878         (File_read::read): Make non-const.
14879         (File_read::make_view): Reopen descriptor.
14880         (File_read::do_readv): Likewise.
14881         * fileread.h (class File_read): Add is_descriptor_opened_ field.
14882         Update declarations.
14883         * layout.cc: Include "descriptors.h".
14884         (Layout::create_build_id): Use open_descriptor rather than open.
14885         * output.cc: Include "descriptors.h".
14886         (Output_file::open): Use open_descriptor rather than open.
14887         * archive.cc (Archive::const_iterator): Change Archive to be
14888         non-const.
14889         (Archive::begin, Archive::end): Make non-const.
14890         (Archive::count_members): Likewise.
14891         * archive.h (class Archive): Update declarations.
14892         * object.h (Object::read): Make non-const.
14893         * Makefile.am (CCFILES): Add descriptors.cc.
14894         (HFILES): Add descriptors.h.
14895         * Makefile.in: Rebuild.
14896
14897         PR 6716
14898         * gold.h: Always include <clocale>.  Add Solaris workarounds
14899         following code in binutils/sysdep.h.
14900
14901         PR 6048
14902         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
14903         this->eh_frame_hdr_ is NULL before using it.
14904
14905         * dynobj.cc (Versions::Versions): Update comment.
14906
14907         * dynobj.cc (Versions::Versions): If there is an soname, use it as
14908         the base version name.
14909
14910         * stringpool.cc (Stringpool_template::add_with_length): Set key to
14911         array size plus one.
14912         (Stringpool_template::set_string_offsets): Subtract one from key
14913         before using it as an array index.
14914         (Stringpool_template::get_offset_with_length): Likewise.
14915         (Stringpool_template::write_to_buffer): Likewise.
14916         * stringpool.h (Stringpool_template::get_offset_from_key):
14917         Likewise.
14918
14919 2008-07-23  Ian Lance Taylor  <iant@google.com>
14920
14921         PR 6658
14922         * object.h (Merged_symbol_value::value): Do our best to handle a
14923         negative addend.
14924
14925         PR 6647
14926         * script.cc (Version_script_info::get_versions): Don't add empty
14927         version tag to return value.
14928         (Version_script_info::get_symbol_version_helper): Change return
14929         type to bool.  Add pversion parameter.  Change all callers.
14930         (script_register_vers_node): Don't require a non-NULL tag.
14931         * script.h (class Version_script_info): Update declarations.
14932         (Version_script_info::get_symbol_version): Change return type to
14933         bool.  Add version parameter.  Change all callers.
14934         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
14935         handling.  Handle an empty version from a version script.
14936         (Symbol_table::define_special_symbol): Likewise.
14937         * testsuite/ver_test_10.script: New file.
14938         * testsuite/ver_test_10.sh: New file.
14939         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
14940         (check_DATA): Add ver_test_10.syms.
14941         (ver_test_10.syms, ver_test_10.so): New target.
14942         * testsuite/Makefile.in: Rebuild.
14943
14944 2008-07-23  Simon Baldwin  <simonb@google.com>
14945
14946         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
14947         to zero for undefined symbols from dynamic libraries.
14948
14949 2008-07-23  Ian Lance Taylor  <iant@google.com>
14950
14951         * symtab.cc (Symbol_table::resolve): Remove version parameter.
14952         Change all callers.
14953         * symtab.h (class Symbol_table): Update declaration.
14954         * testsuite/ver_test_9.cc: New file.
14955         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
14956         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
14957         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
14958         (ver_test_9.so, ver_test_9.o): New targets.
14959         * testsuite/Makefile.in: Rebuild.
14960
14961 2008-07-22  Ian Lance Taylor  <iant@google.com>
14962
14963         * options.h (class General_options): Define --check-sections.
14964         * layout.cc (Layout::set_segment_offsets): Handle
14965         --check-sections.
14966
14967         * options.h (class General_options): Define -n/--nmagic and
14968         -N/--omagic.
14969         * options.cc (General_options::finalize): For -n/--nmagic or
14970         -N/--omagic, set -static.
14971         * layout.cc (Layout::attach_allocated_section_to_segment): If
14972         -N/--omagic, don't put read-only and read-write sections in
14973         different segments.
14974         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
14975         finding a read-only segment.
14976         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
14977         don't set the minimum segment alignment to the common page size,
14978         and don't set the file offset to the address modulo the page size.
14979         * script-sections.cc (Script_sections::create_segments): If
14980         -n/--omagic, don't put read-only and read-write sections in
14981         different segments.
14982
14983         * cref.cc: New file.
14984         * cref.h: New file.
14985         * options.h (class General_options): Add --print-symbol-counts.
14986         * main.cc (main): Issue defined symbol report if requested.
14987         * archive.cc (Archive::interpret_header): Make into a const member
14988         function.
14989         (Archive::add_symbols): Call Input_objects::archive_start and
14990         archive_stop.
14991         (Archive::const_iterator): Define new class.
14992         (Archive::begin, Archive::end): New functions.
14993         (Archive::include_all_members): Rewrite to use iterator.
14994         (Archive::count_members): New function.
14995         * archive.h (class Archive): Update declarations.
14996         (Archive::filename): New function.
14997         * object.cc: Include "cref.h".
14998         (Sized_relobj::Sized_relobj): Initialize defined_count_.
14999         (Sized_relobj::do_get_global_symbol_counts): New function.
15000         (Input_objects::add_object): Add object to cross-referencer.
15001         (Input_objects::archive_start): New function.
15002         (Input_objects::archive_stop): New function.
15003         (Input_objects::print_symbol_counts): New function.
15004         * object.h: Declare Cref and Archive.
15005         (Object::get_global_symbol_counts): New function.
15006         (Object::do_get_global_symbol_counts): New pure virtual function.
15007         (class Sized_relobj): Add defined_count_ field.  Update
15008         declarations.
15009         (class Input_objects): Add cref_ field.  Update constructor.
15010         Update declarations.
15011         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
15012         defined_count_.
15013         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
15014         symbol counts.
15015         (Sized_dynobj::do_get_global_symbol_counts): New function.
15016         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
15017         defined_count_.  Update declarations.  Define Symbols typedef.
15018         * symtab.cc (Symbol_table::add_from_relobj): Add defined
15019         parameter.  Change all callers.
15020         (Symbol_table::add_from_dynobj): Add sympointers and defined
15021         parameters.  Change all callers.
15022         * symtab.h (class Symbol_table): Update declarations.
15023         * Makefile.am (CCFILES): Add cref.cc.
15024         (HFILES): Add cref.h.
15025         * Makefile.in: Rebuild.
15026
15027 2008-07-22  Simon Baldwin  <simonb@google.com>
15028
15029         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
15030         to zero when writing undefined symbols.
15031
15032 2008-07-22  Ian Lance Taylor  <iant@google.com>
15033
15034         * output.cc (Output_section::add_input_section): Don't try to
15035         merge empty merge sections.
15036
15037 2008-07-21  Craig Silverstein  <csilvers@google.com>
15038
15039         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
15040         Include symbol version in error message.
15041
15042 2008-07-20  Chris Demetriou  <cgd@google.com>
15043
15044         * configure.ac (gold_cv_c_random_seed): New configured variable.
15045         (RANDOM_SEED_CFLAGS): New substituted variable.
15046         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
15047         * configure: Rebuild.
15048         * Makefile.in: Likewise.
15049         * testsuite/Makefile.in: Likewise.
15050
15051 2008-07-18  Ian Lance Taylor  <iant@google.com>
15052
15053         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
15054         where we see NAME/NULL and NAME/VERSION  as separate symbols.
15055         * testsuite/ver_test_main.cc (main): Call t4.
15056         (t4, t4_2a): Define.
15057         * testsuite/ver_test_2.cc (t4_2): Define.
15058         * testsuite/ver_test_2.script: Put t4_2a in VER2.
15059         * testsuite/ver_test_4.cc (t4_2a): Define.
15060         * testsuite/ver_test_4.script: Put t4_2a in VER2.
15061         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
15062
15063 2008-07-17  Ian Lance Taylor  <iant@google.com>
15064
15065         * dynobj.cc (Versions::add_def): If we give an error about a
15066         missing version, go ahead and create the version anyhow.
15067
15068 2008-07-10  Ian Lance Taylor  <iant@google.com>
15069
15070         Handle output sections with more than 0x7fffffff bytes.
15071         * object.h (class Relobj): Change map_to_output_ to
15072         output_sections_, and just keep a section pointer.  Change all
15073         uses.  Move comdat group support to Sized_relobj.
15074         (Relobj::is_section_specially_mapped): Remove.
15075         (Relobj::output_section): Remove poff parameter.  Change all
15076         callers.
15077         (Relobj::output_section_offset): New function.
15078         (Relobj::set_section_offset): Rewrite.
15079         (Relobj::map_to_output): Remove.
15080         (Relobj::output_sections): New function.
15081         (Relobj::do_output_section_offset): New pure virtual function.
15082         (Relobj::do_set_section_offset): Likewise.
15083         (class Sized_relobj): Add section_offsets_ field.  Add comdat
15084         group support from Relobj.  Update declarations.
15085         (Sized_relobj::get_output_section_offset): New function.
15086         (Sized_relobj::do_output_section_offset): New function.
15087         (Sized_relobj::do_set_section_offset): New function.
15088         * object.cc (Relobj::output_section_address): Remove.
15089         (Sized_relobj::Sized_relobj): Initialize new fields.
15090         (Sized_relobj::include_section_group): Cast find_kept_object to
15091         Sized_relobj.
15092         (Sized_relobj::include_linkonce_section): Likewise.
15093         (Sized_relobj::do_layout): Use separate arrays for output section
15094         and output offset.
15095         (Sized_relobj::do_count_local_symbols): Change map_to_output to
15096         output_sections.
15097         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
15098         output_sections and section_offsets.
15099         (Sized_relobj::write_local_symbols): Likewise.
15100         (map_to_kept_section): Compute output address directly.
15101         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
15102         output_sections and section_offsets.
15103         (Sized_relobj::write_sections): Likewise.
15104         (Sized_relobj::relocate_sections): Likewise.
15105         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
15106         * output.h (class Output_reloc): Update declarations.  Change
15107         u2_.relobj to Sized_relobj*.
15108         (class Output_data_reloc): Change add functions to use
15109         Sized_relobj*.
15110         * output.cc (Output_reloc::Output_reloc): Change relobj to
15111         Sized_relobj*.
15112         (Output_reloc::local_section_offset): Change return type to
15113         Elf_Addr.  Use get_output_section_offset.
15114         (Output_reloc::get_address): Likewise.
15115         (Output_section::is_input_address_mapped): Don't call
15116         is_section_specially_mapped.
15117         (Output_section::output_offset): Likewise.
15118         (Output_section::output_address): Likewise.
15119         (Output_section::starting_output_address): Likewise.
15120         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
15121         parameter to Sized_relobj*.
15122         (Copy_relocs::need_copy_reloc): Likewise.
15123         (Copy_relocs::save): Likewise.
15124         * copy-relocs.h (class Copy_relocs): Update declarations.
15125         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
15126         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
15127         * target-reloc.h (relocate_for_relocatable): Change
15128         offset_in_output_section type to Elf_Addr.  Change code that uses
15129         it as well.
15130         * layout.cc (Layout::layout): Always set *off.
15131         * mapfile.cc (Mapfile::print_input_section): Use
15132         output_section_offset.
15133         * i386.cc (Target_i386::copy_reloc): Change object parameter to
15134         Sized_relobj*.
15135         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
15136         * sparc.cc (Target_sparc::copy_reloc): Likewise.
15137         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
15138
15139 2008-07-03  Ian Lance Taylor  <iant@google.com>
15140
15141         * layout.cc (Layout::include_section): Do not discard unrecognized
15142         SHT_STRTAB sections.
15143
15144 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
15145
15146         * script.cc (Lex::can_continue_name): Make '?' allowable in
15147         version-script names.
15148         * testsuite/version_script.map: Change glob pattern to use '?'
15149
15150 2008-06-30  Manish Singh  <yosh@gimp.org>
15151
15152         PR 6585
15153         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
15154         Correct typo.
15155
15156 2008-06-30  Ian Lance Taylor  <iant@google.com>
15157
15158         PR 6660
15159         PR 6682
15160         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
15161         versions]: Don't try to read the value in the contents, since we
15162         don't use it.  Use the template endianness when writing.
15163
15164 2008-06-25  Cary Coutant  <ccoutant@google.com>
15165
15166         * fileread.cc (File_read::make_view): Assert on zero-length view.
15167         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
15168         symbol table when there are no symbols to read.
15169
15170 2008-06-23  Craig Silverstein  <csilvers@google.com>
15171
15172         * version.cc (version_string): Bump to 1.7
15173
15174 2008-06-18  Craig Silverstein  <csilvers@google.com>
15175
15176         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
15177         constant 0xFFFF to type Valtype.
15178         (Powerpc_relocate_functions::rel16_ha): Likewise.
15179
15180 2008-06-17  Ian Lance Taylor  <iant@google.com>
15181
15182         * output.h (Output_section::Input_section): Initialize p2align_ to
15183         zero for Output_section_data constructors.
15184         (Output_section::Input_section::addralign): If not an input
15185         section, return the alignment of the Output_section_data.
15186         * testsuite/copy_test.cc: New file.
15187         * testsuite/copy_test_1.cc: New file.
15188         * testsuite/copy_test_2.cc: New file.
15189         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
15190         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
15191         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
15192         (copy_test_1_pic.o, copy_test_1.so): New targets.
15193         (copy_test_2_pic.o, copy_test_2.so): New targets.
15194         * testsuite/Makefile.in: Rebuild.
15195
15196         * script-sections.cc (Script_sections::place_orphan): Initialize
15197         local variable exact.
15198
15199 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
15200
15201         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
15202
15203 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
15204             David S. Miller  <davem@davemloft.net>
15205
15206         * powerpc.cc: New file.
15207         * Makefile.am (TARGETSOURCES): Add powerpc.cc
15208         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
15209         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
15210         * Makefile.in: Rebuild.
15211
15212 2008-06-09  Ian Lance Taylor  <iant@google.com>
15213
15214         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
15215         <exception>.
15216         (throwing, orig_terminate): New static variables.
15217         (terminate_handler): New static function.
15218         (t2): Set terminate handler.
15219
15220 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
15221
15222         PR 6584
15223         * binary.cc (Binary_to_elf::sized_convert): Fix .data
15224         alignment.
15225
15226 2008-05-30  Cary Coutant  <ccoutant@google.com>
15227
15228         * archive.cc (Archive::include_all_members) Correct to step
15229         over symbol table and extended name table in thin archives.
15230
15231 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
15232
15233         PR 6407
15234         * target-reloc.h (relocate_for_relocatable): Fix new_offset
15235         calculation.
15236
15237 2008-05-28  Caleb Howe  <cshowe@google.com>
15238
15239         * reduced_debug_output.cc: New file.
15240         * reduced_debug_output.h: New file.
15241         * options.h (class General_options): Add --strip-debug-non-line.
15242         * options.cc (General_options::finalize): Add strip_debug_non_line
15243         to the strip heirarchy.
15244         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
15245         fields.
15246         * layout.cc: Include "reduced_debug_output.h".
15247         (Layout::Layout): Initialize new fields.
15248         (line_only_debug_sections): New static array.
15249         (is_lines_only_debug_sections): New static inline function.
15250         (Layout::include_section): Handle --strip-debug-non-line.
15251         (Layout::make_output_section): If --strip-debug-non-line, build
15252         new output sections for .debug_abbrev and .debug_info.
15253         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
15254         gold.  Warn about possible overflow.
15255         (read_signed_LEB_128): Likewise.
15256         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
15257         (read_signed_LEB_128): Declare.
15258         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
15259         (HFILES): Add reduced_debug_output.h.
15260         * Makefile.in: Rebuild.
15261
15262 2008-05-21  Ian Lance Taylor  <iant@google.com>
15263
15264         * mapfile.cc: New file.
15265         * mapfile.h: New file.
15266         * options.h (class General_options): Add -M/--print-map and -Map.
15267         * options.cc (General_options::finalize): Make -M equivalent to
15268         -Map -.
15269         * main.cc: Include <cstdio> and "mapfile.h".
15270         (main): Open mapfile if requested.
15271         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
15272         constructor.  Change caller.
15273         (queue_initial_tasks): Add mapfile parameter.  Change caller.
15274         (queue_middle_tasks): Likewise.
15275         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
15276         declarations.
15277         * archive.cc: Include "mapfile.h".
15278         (Archive::add_symbols): Add mapfile parameter.  Change all
15279         callers.  Pass mapfile, symbol, and reason to include_member.
15280         (Archive::include_all_members): Add mapfile parameter.  Change all
15281         callers.
15282         (Archive::include_member): Add mapfile, sym, and why parameters.
15283         Change all callers.  Report inclusion to map file.
15284         * archive.h: Include "fileread.h".
15285         (class Archive): Update declarations.
15286         (Archive::file): New const method.
15287         (class Add_archive_symbols): Add mapfile_ field.  Update
15288         constructor.  Change all callers.
15289         * readsyms.h (class Read_symbols): Likewise.
15290         (class Finish_group): Likewise.
15291         (class Read_script): Likewise.
15292         * common.cc: Include "mapfile.h".
15293         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
15294         all callers.
15295         (Symbol_table::do_allocate_commons): Likewise.
15296         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
15297         symbol allocation to mapfile.
15298         * common.h (class Allocate_commons_task): Add mapfile_ field.
15299         Update constructor.  Change all callers.
15300         * symtab.h (class Symbol_table): Update declarations.
15301         * layout.cc: Include "mapfile.h".
15302         (Layout_task_runner::run): Print information to mapfile.
15303         (Layout::create_gold_note): Change Output_data_fixed_space to
15304         Output_data_zero_fill.
15305         (Layout::create_build_id): Likewise.
15306         (Layout::print_to_mapfile): New function.
15307         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
15308         constructor.  Change caller.
15309         (class Layout): Declare print_to_mapfile.
15310         * output.cc (Output_section::Input_section::print_to_mapfile): New
15311         function.
15312         (Output_section::add_input_section): If producing a map, always
15313         add to input_sections_ list.
15314         (Output_section::do_print_to_mapfile): New function.
15315         (Output_segment::print_sections_to_mapfile): New function.
15316         (Output_segment::print_section_list_to_mapfile): New function.
15317         * output.h: Include "mapfile.h".
15318         (Output_data::print_to_mapfile): New function.
15319         (Output_data::do_print_to_mapfile): New virtual function.
15320         (Output_segment_headers::do_print_to_mapfile): New function.
15321         (Output_file_header::do_print_to_mapfile): New function.
15322         (Output_data_const::do_print_to_mapfile): New function.
15323         (class Output_data_const_buffer): Add map_name_ field.  Update
15324         constructor.  Change all callers.  Add do_print_to_mapfile
15325         function.
15326         (class Output_data_fixed_space): Likewise.
15327         (class Output_data_space): Likewise.
15328         (class Output_data_zero_fill): New class.
15329         (Output_data_strtab::do_print_to_mapfile): New function.
15330         (Output_data_reloc_base::do_print_to_mapfile): New function.
15331         (Output_relocatable_relocs::do_print_to_mapfile): New function.
15332         (Output_data_group::do_print_to_mapfile): New function.
15333         (Output_data_got::do_print_to_mapfile): New function.
15334         (Output_data_dynamic::do_print_to_mapfile): New function.
15335         (Output_symtab_xindex::do_print_to_mapfile): New function.
15336         (class Output_section): Declare do_print_to_mapflie.  Declare
15337         print_to_mapfile in Input_section.
15338         (class Output_segment): Declare new functions.
15339         * object.h (Sized_relobj::symbol_count): New function.
15340         * script-sections.cc
15341         (Output_section_element_dot_assignment::set_section_addresses):
15342         Change Output_data_fixed_space to Output_data_zero_fill.
15343         (Output_data_expression::do_print_to_mapfile): New function.
15344         * script.cc (read_input_script): Add mapfile parameter.  Change
15345         all callers.
15346         * script.h (read_input_script): Update declaration.
15347         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
15348         (Eh_frame::do_print_to_mapfile): New function.
15349         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
15350         (Output_merge_string::do_print_to_mapfile): New function.
15351         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
15352         function.
15353         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
15354         function.
15355         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
15356         function.
15357         * Makefile.am (CCFILES): Add mapfile.cc.
15358         (HFILES): Add mapfile.h.
15359         * Makefile.in: Rebuild.
15360
15361 2008-05-19  Ian Lance Taylor  <iant@google.com>
15362
15363         * options.h (class General_options): Add -z relro.
15364         * layout.cc (Layout::Layout): Initialize relro_segment_.
15365         (Layout::add_output_section_data): Return the output section.
15366         (Layout::make_output_section): Rcognize relro sections and mark
15367         them appropriately.
15368         (Layout::attach_allocated_section_to_segment): Put relro sections
15369         in a PT_GNU_RELRO segment.
15370         (Layout::create_initial_dynamic_sections): Mark the .dynamic
15371         section as relro.
15372         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
15373         PT_TLS segments.
15374         (Layout::linkonce_mapping): Map d.rel.ro.local to
15375         .data.rel.ro.local.
15376         (Layout::output_section_name): Us .data.rel.ro.local for any
15377         section which begins with that.
15378         * layout.h (class Layout): Update add_output_section_data
15379         declaration.  Add relro_segment_ field.
15380         * output.cc (Output_section::Output_section): Initialize is_relro_
15381         and is_relro_local_ fields.
15382         (Output_segment::add_output_section): Group relro sections.
15383         (Output_segment::is_first_section_relro): New function.
15384         (Output_segment::maximum_alignment): If there is a relro section,
15385         align the segment to the common page size.
15386         (Output_segment::set_section_addresses): Track whether we are
15387         looking at relro sections.  If the last section is a relro
15388         section, align to the common page size.
15389         (Output_segment::set_section_list_addresses): Add in_relro
15390         parameter.  Change all callers.  Align to the page size when
15391         moving from relro to non-relro section.
15392         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
15393         segment.
15394         * output.h (class Output_section): Add is_relro_ and
15395         is_relro_local_ fields.
15396         (Output_section::is_relro): New function.
15397         (Output_section::set_is_relro): New function.
15398         (Output_section::is_relro_local): New function.
15399         (Output_section::set_is_relro_local): New function.
15400         (class Output_segment): Update declarations.
15401         * i386.cc (Target_i386::got_section): Mark .got section as relro.
15402         * sparc.cc (Target_sparc::got_section): Likewise.
15403         * x86_64.cc (Target_x86_64::got_section): Likewise.
15404         * testsuite/relro_test_main.cc: New file.
15405         * testsuite/relro_test.cc: New file.
15406         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
15407         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
15408         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
15409         (relro_test.so, relro_test_pic.o): New targets.
15410         * testsuite/Makefile.in: Rebuild.
15411
15412 2008-05-16  Ian Lance Taylor  <iant@google.com>
15413
15414         * output.cc (Output_segment::add_output_section): Remove front
15415         parameter.
15416         * output.h (class Output_segment): Remove
15417         add_initial_output_section and overloaded add_output_section.
15418         Update declaration of remaining add_output_section.
15419         * layout.cc (Layout::create_interp): Call add_output_section
15420         rather than add_initial_output_section.
15421         (Layout::finish_dynamic_section): Likewise.
15422
15423         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
15424         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
15425         know the dynamic type.
15426         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
15427         field.  Initialize it in constructor.
15428         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
15429         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
15430         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
15431         reloc.
15432
15433         * output.cc (Output_reloc::get_address): Change return type to
15434         Elf_Addr.
15435         * output.h (class Output_reloc): Update get_address declaration.
15436         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
15437         for section addresses.
15438
15439 2008-05-09  Ian Lance Taylor  <iant@google.com>
15440
15441         PR 6493
15442         * gold.cc (gold_nomem): Use return value of write.
15443
15444 2008-05-08  Ian Lance Taylor  <iant@google.com>
15445
15446         * symtab.c (Symbol::init_base_output_data): Add version
15447         parameter.  Change all callers.
15448         (Symbol::init_base_output_segment): Likewise.
15449         (Symbol::init_base_constant): Likewise.
15450         (Symbol::init_base_undefined): Likewise.
15451         (Sized_symbol::init_output_data): Likewise.
15452         (Sized_symbol::init_output_segment): Likewise.
15453         (Sized_symbol::init_constant): Likewise.
15454         (Sized_symbol::init_undefined): Likewise.
15455         (Symbol_table::do_define_in_output_data): If the new symbol has a
15456         version, mark it as the default.
15457         (Symbol_table::do_define_in_output_segment): Likewise.
15458         (Symbol_table::do_define_as_constant): Likewise.
15459         * symtab.h (class Symbol): Update declarations.
15460         (class Sized_symbol): Likewise.
15461         * resolve.cc (Symbol::override_version): New function.
15462         (Symbol::override_base): Call override_version.
15463         (Symbol::override_base_with_special): Likewise.
15464         * testsuite/ver_script_8.script: New file.
15465         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
15466         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
15467         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
15468         (ver_test_8_1.so, ver_test_8_2.so): New targets.
15469
15470 2008-05-06  Ian Lance Taylor  <iant@google.com>
15471
15472         PR 6049
15473         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
15474         functions.
15475         (class General_options): Remove existing --undefined, and add
15476         --no-undefined instead.  Add new --undefined as synonym for -u.
15477         * archive.cc (Archive::add_symbols): Check whether symbol was
15478         named with -u.
15479         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
15480         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
15481         all uses.  Add IS_UNDEFINED.  Update declarations to split
15482         different versions of init_base.  Declare init_base_undefined.
15483         (Symbol::is_defined): Handle IS_UNDEFINED.
15484         (Symbol::is_undefined): Likewise.
15485         (Symbol::is_weak_undefined): Call is_undefined.
15486         (Symbol::is_absolute): Handle IS_CONSTANT.
15487         (class Sized_symbol): Update declarations to split different
15488         versions of init.  Declare init_undefined.
15489         (class Symbol_table): Declare new functions.
15490         * symtab.cc (Symbol::init_base_object): Rename from init_base.
15491         Change all callers.
15492         (Symbol::init_base_output_data): Likewise.
15493         (Symbol::init_base_output_segment): Likewise.
15494         (Symbol::init_base_constant): Likewise.
15495         (Symbol::init_base_undefined): New function.
15496         (Sized_symbol::init_object): Rename from init.  Change all
15497         callers.
15498         (Sized_symbol::init_output_data): Likewise.
15499         (Sized_symbol::init_output_segment): Likewise.
15500         (Sized_symbol::init_constant): Likewise.
15501         (Sized_symbol::init_undefined): New function.
15502         (Symbol_table::add_undefined_symbols_from_command_line): New
15503         function.
15504         (Symbol_table::do_add_undefined_symbols_from_command_line): New
15505         function.
15506         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
15507         (Symbol::output_section): Likewise.
15508         (Symbol::set_output_section): Likewise.
15509         (Symbol_table::sized_finalize_symbol): Likewise.
15510         (Symbol_table::sized_write_globals): Likewise.
15511         * resolve.cc (Symbol_table::should_override): Likewise.
15512         (Symbol::override_base_with_special): Likewise.
15513
15514         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
15515         symbol, change it to have default visibility.
15516         * testsuite/protected_1.cc: New file.
15517         * testsuite/protected_2.cc: New file.
15518         * testsuite/protected_3.cc: New file.
15519         * testsuite/protected_main_1.cc: New file.
15520         * testsuite/protected_main_2.cc: New file.
15521         * testsuite/protected_main_3.cc: New file.
15522         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
15523         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
15524         (protected_1_LDFLAGS, protected_1_LDADD): Define.
15525         (protected_1.so): New target.
15526         (protected_1_pic.o, protected_2_pic.o): New targets.
15527         (protected_3_pic.o): New target.
15528         (check_PROGRAMS): Add protected_2.
15529         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
15530         (protected_2_LDFLAGS, protected_2_LDADD): Define.
15531         * testsuite/Makefile.in: Rebuild.
15532
15533         * options.h (DEFINE_var): Add set_user_set_##varname__.
15534         (DEFINE_bool_alias): New macro.
15535         (class General_options): Define -Bstatic using DEFINE_bool_alias
15536         rather than DEFINE_special.  Add --undefined as an alias for -z
15537         defs.
15538         * options.cc (General_options::parse_Bstatic): Remove.
15539
15540         * options.h (class General_options): Add --fatal-warnings.
15541         * main.cc (main): Implement --fatal-warnings.
15542         * errors.h (Errors::warning_count): New function.
15543
15544         * options.h (class General_options): Add -Bsymbolic-functions.
15545         * symtab.h (Symbol::is_preemptible): Check for
15546         -Bsymbolic-functions.
15547
15548 2008-05-05  Ian Lance Taylor  <iant@google.com>
15549
15550         * options.h (DEFINE_bool): For DASH_Z, create the negative option
15551         as noVARNAME rather than no-VARNAME.
15552         (class General_options): Add option -z combreloc.
15553         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
15554         get_address.
15555         (Output_reloc::sort_before) [SHT_REL]: New function.
15556         (Output_reloc::sort_before) [SHT_RELA]: New function.
15557         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
15558         Sort_relocs_comparison.
15559         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
15560         parameter.  Change all callers.
15561         (Output_data_reloc::Output_data_reloc) [both versions]: Add
15562         sort_relocs parameter.  Change all callers.
15563         * output.cc (Output_reloc::get_address): New function, broken out
15564         of write_rel.
15565         (Output_reloc::write_rel): Call it.
15566         (Output_reloc::compare): New function.
15567         (Output_data_reloc_base::do_write): Optionally sort relocs.
15568
15569         * configure.ac: If targ_extra_obj is set, link it in.
15570         * configure.tgt: Initialize all variables.
15571         (x86_64*): Set targ_extra_obj and targ_extra_size.
15572         * configure: Rebuild.
15573
15574         * object.cc (Sized_relobj::include_section_group): Adjust section
15575         indexes read from group data.  Build vector to pass to
15576         layout_group.
15577         * layout.cc (Layout::layout_group): Add flags and shndxes
15578         parameters.  Remove contents parameter.  Change caller.  Update
15579         explicit instantiations.
15580         * layout.h (class Layout): Update layout_group declaration.
15581         * output.cc (Output_data_group::Output_data_group): Add flags and
15582         input_shndxes parameters.  Remove contents parameter.  Change
15583         caller.
15584         (Output_data_group::do_write): Change input_sections_ to
15585         input_shndxes_.
15586         * output.h (class Output_data_group): Update constructor
15587         declaration.  Rename input_sections_ to input_shndxes_.
15588         * testsuite/many_sections_test.cc: Add template.
15589
15590 2008-04-30  Cary Coutant  <ccoutant@google.com>
15591
15592         * target-reloc.h (relocate_section): Fix dead-pointer bug.
15593
15594         * layout.cc (Layout::include_section): Refactored check for debug
15595         info section.
15596         (Layout::add_comdat): Add new parameters.  Change type
15597         of signature parameter.  Add object and shndx to signatures table.
15598         (Layout::find_kept_object): New function.
15599         * layout.h: Include <cstring>.
15600         (Layout::is_debug_info_section): New function.
15601         (Layout::add_comdat): Add new parameters.
15602         (Layout::find_kept_object): New function.
15603         (Layout::Kept_section): New struct.
15604         (Layout::Signatures): Change type of map range.
15605         * object.cc (Relobj::output_section_address): New function.
15606         (Sized_relobj::include_section_group): Add new parameters.  Change
15607         calls to Layout::add_comdat.  Change to build table of kept comdat
15608         groups and table mapping discarded sections to kept sections.
15609         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
15610         (Sized_relobj::do_layout): Change calls to include_section_group and
15611         include_linkonce_section.
15612         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
15613         value to zero when section is discarded.
15614         (Sized_relobj::map_to_kept_section): New function.
15615         * object.h (Relobj::output_section_address): New function.
15616         (Relobj::Comdat_group): New type.
15617         (Relobj::find_comdat_group): New function.
15618         (Relobj::Comdat_group_table): New type.
15619         (Relobj::Kept_comdat_section): New type.
15620         (Relobj::Kept_comdat_section_table): New type.
15621         (Relobj::add_comdat_group): New function.
15622         (Relobj::set_kept_comdat_section): New function.
15623         (Relobj::get_kept_comdat_section): New function.
15624         (Relobj::comdat_groups_): New field.
15625         (Relobj::kept_comdat_sections_): New field.
15626         (Symbol_value::input_value): Update comment.
15627         (Sized_relobj::map_to_kept_section) New function.
15628         (Sized_relobj::include_linkonce_section): Add new parameter.
15629         * target-reloc.h (Comdat_behavior): New type.
15630         (get_comdat_behavior): New function.
15631         (relocate_section): Add code to map a discarded section to the
15632         corresponding kept section when applying a relocation.
15633
15634 2008-04-30  Craig Silverstein  <csilvers@google.com>
15635
15636         * dwarf_reader.cc (next_generation_count): New static var.
15637         (Addr2line_cache_entry): New struct.
15638         (addr2line_cache): New static var.
15639         (Dwarf_line_info::one_addr2line): Added caching.
15640         (Dwarf_line_info::clear_addr2line_cache): New function.
15641         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
15642         cache-size parameter.
15643         (Dwarf_line_info::one_addr2line_cache): New function.
15644         * symtab.cc (Symbol_table::detect_odr_violations): Pass
15645         new cache-size argument to one_addr2line(), and clear cache.
15646
15647 2008-04-28  Cary Coutant  <ccoutant@google.com>
15648
15649         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
15650         R_386_PC8 relocations.
15651
15652 2008-04-23  Ian Lance Taylor  <iant@google.com>
15653
15654         * object.cc (Sized_relobj::include_section_group): Check for
15655         invalid section group.
15656
15657         * object.cc (make_elf_object): Correct test for 64-bit ELF file
15658         header size.
15659
15660         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
15661         than read for file header.
15662         * archive.cc (Archive::include_member): Likewise.
15663
15664 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
15665
15666         * aclocal.m4: Regenerate.
15667         * configure: Regenerate.
15668
15669 2008-04-19  Ian Lance Taylor  <iant@google.com>
15670
15671         * version.cc (version_string): Bump to 1.6.
15672
15673         * testsuite/Makefile.am (many_sections_r_test): New target.
15674         (many_sections_r_test_SOURCES): Remove.
15675         (many_sections_r_test_DEPENDENCIES): Remove.
15676         (many_sections_r_test_LDFLAGS): Remove.
15677         (many_sections_r_test_LDADD): Remove.
15678
15679         * object.cc (Sized_relobj::do_add_symbols): Always pass
15680         local_symbol_count_ to add_from_relobj.
15681
15682         * testsuite/Makefile.am (many_sections_check.h): Only check one in
15683         every thousand variables.
15684         * testsuite/Makefile.in: Rebuild.
15685
15686         * object.cc (Xindex::initialize_symtab_xindex): New function.
15687         (Xindex::read_symtab_xindex): New function.
15688         (Xindex::sym_xindex_to_shndx): New function.
15689         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
15690         available.
15691         (Sized_relobj::do_initialize_xindex): New function.
15692         (Sized_relobj::do_read_symbols): Adjust section links.
15693         (Sized_relobj::symbol_section_and_value): Add is_ordinary
15694         parameter.  Change all callers.
15695         (Sized_relobj::include_section_group): Adjust section links and
15696         symbol section indexes.
15697         (Sized_relobj::do_layout): Adjust section links.
15698         (Sized_relobj::do_count_local_symbols): Adjust section links and
15699         symbol section indexes.
15700         (Sized_relobj::do_finalize_local_symbols): Distinguish between
15701         ordinary and special symbols.
15702         (Sized_relobj::write_local_symbols): Add symtab_xindex and
15703         dynsym_xindex parameters.  Change all callers.  Adjust section
15704         links.  Use SHN_XINDEX when needed.
15705         (Sized_relobj::get_symbol_location_info): Adjust section links.
15706         Don't get fooled by special symbols.
15707         * object.h (class Xindex): Define.
15708         (class Object): Add xindex_ parameter.  Declare virtual functoin
15709         do_initialize_xindex.
15710         (Object::adjust_sym_shndx): New function.
15711         (Object::set_xindex): New protected function.
15712         (class Symbol_value): Add is_ordinary_shndx_ field.
15713         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
15714         (Symbol_value::value): Assert ordinary section.
15715         (Symbol_value::initialize_input_to_output_map): Likewise.
15716         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
15717         Change all callers.
15718         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
15719         all callers.
15720         (class Sized_relobj): Update declarations.
15721         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
15722         parameter.  Change all callers.
15723         (Sized_relobj::adjust_shndx): New function.
15724         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
15725         field.
15726         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
15727         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
15728         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
15729         (Sized_dynobj::read_dynsym_section): Adjust section links.
15730         (Sized_dynobj::read_dynamic): Likewise.
15731         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
15732         section links.
15733         (Sized_dynobj::do_initialize_xindex): New function.
15734         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
15735         do_initialize_xindex.
15736         (Sized_dynobj::adjust_shndx): New function.
15737         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
15738         dynsym_xindex_ fields.
15739         (Layout::finalize): Add a call to set_section_indexes before
15740         creating the symtab sections.
15741         (Layout::set_section_indexes): Don't do anything if the section
15742         already has a section index.
15743         (Layout::create_symtab_sections): Add shnum parameter.  Change
15744         caller.  Create .symtab_shndx section if needed.
15745         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
15746         caller.
15747         (Layout::allocated_output_section_count): New function.
15748         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
15749         needed.
15750         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
15751         fields.  Update declarations.
15752         (Layout::symtab_xindex): New function.
15753         (Layout::dynsym_xindex): New function.
15754         (class Write_symbols_task): Add layout_ field.
15755         (Write_symbols_task::Write_symbols_task): Add layout parameter.
15756         Change caller.
15757         * output.cc (Output_section_headers::Output_section_headers): Add
15758         shstrtab_section parameter.  Change all callers.
15759         (Output_section_headers::do_sized_write): Store overflow values
15760         for section count and section string table section index in
15761         section header zero.
15762         (Output_file_header::do_sized_write): Check for overflow of
15763         section count and section string table section index.
15764         (Output_symtab_xindex::do_write): New function.
15765         (Output_symtab_xindex::endian_do_write): New function.
15766         * output.h (class Output_section_headers): Add shstrtab_section_.
15767         Update declarations.
15768         (class Output_symtab_xindex): Define.
15769         (Output_section::has_out_shndx): New function.
15770         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
15771         field.
15772         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
15773         Change all callers.
15774         (Sized_symbol::init): Likewise.
15775         (Symbol::output_section): Check for ordinary symbol.
15776         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
15777         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
15778         callers.
15779         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
15780         Change all callers.  Simplify handling of symbols from sections
15781         not included in the link.
15782         (Symbol_table::add_from_dynobj): Handle ordinary symbol
15783         distinction.
15784         (Weak_alias_sorter::operator()): Assert that symbols are
15785         ordinary.
15786         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
15787         distinction.
15788         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
15789         parameters.  Change all callers.
15790         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
15791         symbol distinction.  Use SHN_XINDEX when needed.
15792         (Symbol_table::write_section_symbol): Add symtab_xindex
15793         parameter.  Change all callers.
15794         (Symbol_table::sized_write_section_symbol): Likewise.  Use
15795         SHN_XINDEX when needed.
15796         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
15797         declarations.
15798         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
15799         (Symbol::is_defined): Check is_ordinary.
15800         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
15801         (Symbol::is_absolute, Symbol::is_common): Likewise.
15802         (class Sized_symbol): Update declarations.
15803         (class Symbol_table): Update declarations.
15804         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
15805         parameters.  Change all callers.
15806         (Sized_symbol::override): Likewise.
15807         (Symbol_table::override): Likewise.
15808         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
15809         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
15810         is_ordinary, and orig_st_shndx parameters.  Change all callers.
15811         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
15812         to be in an ordinary section.
15813         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
15814         object and is_ordinary parameters.  Change all callers.
15815         (Sized_dwarf_line_info::read_relocs): Add object parameter.
15816         Change all callers.  Don't add undefined or non-ordinary symbols
15817         to reloc_map_.
15818         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
15819         Change all callers.
15820         * dwarf_reader.h (class Sized_dwarf_line_info): Update
15821         declarations.
15822         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
15823         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
15824         (Sized_relobj::relocate_sections): Likewise.
15825         * target-reloc.h (scan_relocs): Adjust section symbol index.
15826         (scan_relocatable_relocs): Likewise.
15827         * i386.cc (Scan::local): Check for ordinary symbols.
15828         * sparc.cc (Scan::local): Likewise.
15829         * x86_64.cc (Scan::local): Likewise.
15830         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
15831         to symbol_section_and_value.
15832         * testsuite/many_sections_test.cc: New file.
15833         * testsuite/Makefile.am (BUILT_SOURCES): Define.
15834         (check_PROGRAMS): Add many_sections_test.
15835         (many_sections_test_SOURCES): Define.
15836         (many_sections_test_DEPENDENCIES): Define.
15837         (many_sections_test_LDFLAGS): Define.
15838         (BUILT_SOURCES): Add many_sections_define.h.
15839         (many_sections_define.h): New target.
15840         (BUILT_SOURCES): Add many_sections_check.h.
15841         (many_sections_check.h): New target.
15842         (check_PROGRAMS): Add many_sections_r_test.
15843         (many_sections_r_test_SOURCES): Define.
15844         (many_sections_r_test_DEPENDENCIES): Define.
15845         (many_sections_r_test_LDFLAGS): Define.
15846         (many_sections_r_test_LDADD): Define.
15847         (many_sections_r_test.o): New target.
15848         * testsuite/Makefile.in: Rebuild.
15849
15850 2008-04-17  Cary Coutant  <ccoutant@google.com>
15851
15852         * errors.cc (Errors::info): New function.
15853         (gold_info): New function.
15854         * errors.h (Errors::info): New function.
15855         * gold.h (gold_info): New function.
15856         * object.cc (Input_objects::add_object): Print trace output.
15857         * options.cc (options::parse_set): New function.
15858         (General_options::parse_wrap): Deleted.
15859         (General_options::General_options): Deleted initializer.
15860         * options.h (options::String_set): New typedef.
15861         (options::parse_set): New function.
15862         (DEFINE_set): New macro.
15863         (General_options::wrap): Changed to use DEFINE_set. Changed
15864         callers of any_wrap_symbols and is_wrap_symbol.
15865         (General_options::trace, General_options::trace_symbol):
15866         New options.
15867         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
15868         (General_options::wrap_symbols_): Deleted.
15869         * symtab.cc (Symbol_table::add_from_object): Print trace output.
15870
15871 2008-04-17  David S. Miller  <davem@davemloft.net>
15872
15873         * options.cc (General_options::parse_V): New function.
15874         * options.h: Add entries for -V and -Qy.
15875
15876 2008-04-17  Ian Lance Taylor  <iant@google.com>
15877
15878         * common.cc (Symbol_table::allocate_commons): Remove options
15879         parameter.  Change caller.
15880         (Symbol_table::do_allocate_commons): Remove options parameter.
15881         Change caller.  Just call do_allocate_commons_list twice.
15882         (Symbol_table::do_allocate_commons_list): New function, broken out
15883         of do_allocate_commons.
15884         * common.h (class Allocate_commons_task): Remove options_ field.
15885         Update constructor.
15886         * symtab.cc (Symbol_table::Symbol_table): Initialize
15887         tls_commons_.
15888         (Symbol_table::add_from_object): Put TLS common symbols on
15889         tls_commons_ list.
15890         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
15891         which are IN_OUTPUT_DATA.
15892         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
15893         allocate_commons and do_allocate_commons declarations.  Declare
15894         do_allocate_commons_list.
15895         * gold.cc (queue_middle_tasks): Update creation of
15896         Allocate_commons_task to not pass options.
15897         * testsuite/Makefile.am (INCLUDES): Add -I.. .
15898         (TLS_TEST_C_FLAGS): New variable.
15899         (tls_test_c_pic.o): New target.
15900         (tls_test_shared.so): Link in tls_test_c_pic.o.
15901         (tls_test_c_pic_ie.o): New target.
15902         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
15903         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
15904         (tls_test_c.o): New target.
15905         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
15906         (tls_pic_test_LDADD): Likewise.
15907         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
15908         (tls_shared_gd_to_ie_test_LDADD): Likewise.
15909         (tls_test_c_gnu2.o): New target.
15910         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
15911         tls_test_c_gnu2.o.
15912         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
15913         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
15914         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
15915         * testsuite/tls_test.cc: Include "config.h".
15916         (t_last): Call t11_last.
15917         * testsuite/tls_test.h (t11, t11_last): Declare.
15918         * testsuite/tls_test_c.c: New file.
15919         * testsuite/tls_test_main.cc (thread_routine): Call t11.
15920         * configure.ac: Check for OpenMP support.
15921         * configure, config.in, Makefile.in: Rebuild.
15922         * testsuite/Makefile.in: Rebuild.
15923
15924 2008-04-16  Cary Coutant  <ccoutant@google.com>
15925
15926         * i386.cc (Target_i386::define_tls_base_symbol): New function.
15927         (Target_i386::tls_base_symbol_defined_): New field.
15928         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
15929         (Target_i386::Scan::global): Likewise.
15930         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
15931         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
15932         (Target_x86_64::tls_base_symbol_defined_): New field.
15933         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
15934         (Target_x86_64::Scan::global): Likewise.
15935
15936 2008-04-16  Cary Coutant  <ccoutant@google.com>
15937
15938         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
15939         (Symbol::needs_plt_entry): Allow weak undefined symbols.
15940         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
15941         building shared libraries.
15942         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
15943         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
15944         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
15945         * testsuite/Makefile.in: Rebuild.
15946         * testsuite/weak_undef.h: New file.
15947         * testsuite/weak_undef_file1.cc: Add extra test cases.
15948         * testsuite/weak_undef_file2.cc: Likewise.
15949         * testsuite/weak_undef_test.cc: Likewise.
15950
15951 2008-04-16  David S. Miller  <davem@davemloft.net>
15952
15953         * sparc.cc (Target_sparc::Scan): Change from struct to class.
15954         Add issued_non_pic_error_ field.  Declare check_non_pic.
15955         (Target_sparc::Scan::check_non_pic): New function.
15956         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
15957         (Target_sparc::Scan::global): Likewise.
15958
15959         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
15960         * configure: Rebuild.
15961
15962         * options.h (DEFINE_enable): New macro.
15963         (new_dtags): New enable option.
15964         (initfirst, interpose, loadfltr, nodefaultlib,
15965         nodelete, nodlopen, nodump): New -z options.
15966         * layout.cc (Layout:finish_dynamic_section): If new
15967         dtags enabled, emit DT_RUNPATH.  Also, emit a
15968         DT_FLAGS_1 containing any specified -z flags.
15969
15970 2008-04-16  Ian Lance Taylor  <iant@google.com>
15971
15972         * copy-relocs.cc: New file.
15973         * copy-relocs.h: New file.
15974         * reloc.cc: Remove Copy_relocs code.
15975         * reloc.h: Likewise.
15976         * reloc-types.h (struct Reloc_types) [both versions]: Add
15977         get_reloc_addend_noerror.
15978         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
15979         variants of add_global which take an addend which must be zero.
15980         * i386.cc: Include "copy-relocs.h".
15981         (class Target_i386): Change type of copy_relocs_ to variable,
15982         update initializer.
15983         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
15984         Change all callers.
15985         (Target_i386::do_finalize_sections): Change handling of
15986         copy_relocs_.
15987         * sparc.cc: Include "copy-relocs.h".
15988         (class Target_sparc): Change type of copy_relocs_ to variable,
15989         update initializer.
15990         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
15991         Change all callers.
15992         (Target_sparc::do_finalize_sections): Change handling of
15993         copy_relocs_.
15994         * x86_64.cc: Include "copy-relocs.h".
15995         (class Target_x86_64): Change type of copy_relocs_ to variable,
15996         update initializer.
15997         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
15998         class.  Change all callers.
15999         (Target_x86_64::do_finalize_sections): Change handling of
16000         copy_relocs_.
16001         * Makefile.am (CCFILES): Add copy-relocs.cc.
16002         (HFILES): Add copy-relocs.h.
16003
16004         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
16005
16006         * testsuite/script_test_4.sh: Permit leading zeroes.
16007
16008 2008-04-15  Ian Lance Taylor  <iant@google.com>
16009
16010         * script-sections.cc (Script_sections::create_segments): Use
16011         header_size_adjustment even when there is enough room for the
16012         headers.
16013         * testsuite/script_test_4.sh: New file.
16014         * testsuite/script_test_4.t: New file.
16015         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
16016         (check_DATA): Add script_test_4.stdout.
16017         (MOSTLYCLEANFILES): Likewise.
16018         (script_test_4): New target.
16019         (script_test_4.stdout): New target.
16020         * testsuite/Makefile.in: Rebuild.
16021
16022         * sparc.cc: Add definitions for Output_data_plt_sparc class
16023         constants.
16024
16025 2008-04-14  David S. Miller  <davem@davemloft.net>
16026
16027         * sparc.cc: New file.
16028         * Makefile.am (TARGETSOURCES): Add sparc.cc
16029         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
16030         * configure.tgt: Document targ_extra_size and
16031         targ_extra_big_endian.  Add entries for sparc-* and
16032         sparc64-*.
16033         * configure.ac: Handle targ_extra_size and
16034         targ_extra_big_endian.
16035         * Makefile.in: Rebuild.
16036         * configure: Likewise.
16037         * po/POTFILES.in: Likewise.
16038         * po/gold.pot: Likewise.
16039
16040 2008-04-14  Ian Lance Taylor  <iant@google.com>
16041
16042         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
16043         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
16044         in the name/type/flags to section mapping.  Don't call
16045         allocate_output_section.
16046         (Layout::choose_output_section): Change parameter from adjust_name
16047         to is_input_section.  Don't permit input sections after sections
16048         are attached to segments.  Don't call allocate_output_section.
16049         (Layout::layout_eh_frame): Call update_flags_for_input_section,
16050         not write_enable_output_section.
16051         (Layout::make_output_section): Don't push to
16052         unattached_section_list_ nor call attach_to_segment.  Call
16053         attach_section_to_segment if sections are attached.
16054         (Layout::attach_sections_to_segments): New function.
16055         (Layout::attach_section_to_segment): New function.
16056         (Layout::attach_allocated_section_to_segment): Rename from
16057         attach_to_segment.  Remove flags parameter.
16058         (Layout::allocate_output_section): Remove function.
16059         (Layout::write_enable_output_section): Remove function.
16060         * layout.h (class Layout): Update for above changes.  Add new
16061         field sections_are_attached_.
16062         * output.h (Output_section::update_flags_for_input_section): New
16063         function.
16064         * output.cc (Output_section::add_input_section): Call
16065         update_flags_for_input_section.
16066         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
16067
16068 2008-04-11  Cary Coutant  <ccoutant@google.com>
16069
16070         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
16071         thought unnecessary.
16072         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
16073
16074 2008-04-11  Ian Lance Taylor  <iant@google.com>
16075
16076         * output.h (class Output_section_data): Remove inline definition
16077         of set_addralign.
16078         * output.cc (Output_section_data::set_addralign): New function.
16079
16080 2008-04-11  Cary Coutant  <ccoutant@google.com>
16081
16082         Add support for TLS descriptors for i386 and x86_64.
16083         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
16084         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
16085         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
16086         GOT_TYPE_TLS_DESC.
16087         (Target_i386::got_mod_index_entry): Remove unnecessary code.
16088         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
16089         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
16090         relocations.
16091         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
16092         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
16093         Fix problem with initial-exec relocations.
16094         (Target_i386::Relocate::relocate_tls): Likewise.
16095         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
16096         relaxation.
16097         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
16098         support for section-plus-offset dynamic table entries.
16099         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
16100         (Output_data_dynamic::Dynamic_entry): Add support for
16101         section-plus-offset dynamic table entries.
16102         (Output_data_dynamic::Classification): Likewise.
16103         (Output_data_dynamic::classification_): Renamed offset_.
16104         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
16105         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
16106         (Target_x86_64::make_plt_section): New function.
16107         (Target_x86_64::reserve_tlsdesc_entries): New function.
16108         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
16109         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
16110         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
16111         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
16112         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
16113         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
16114         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
16115         add extra PLT entry for TLS descriptors.
16116         (Output_data_plt_x86_64::got_): New field.
16117         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
16118         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
16119         fields.
16120         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
16121         descriptors.
16122         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
16123         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
16124         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
16125         R_386_TLS_DESC_CALL relocations.
16126         (Target_x86_64::Scan::global): Likewise.
16127         (Target_x86_64::do_finalize_sections): Add dynamic table entries
16128         for TLS descriptors.
16129         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
16130         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
16131         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
16132         GD-to-IE relaxation.
16133         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
16134         and TLS_DESCRIPTORS.
16135         * Makefile.in: Rebuild.
16136         * configure: Rebuild.
16137         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
16138         (tls_test_shared2.so): New target.
16139         (tls_shared_gd_to_ie_test_SOURCES): New variable.
16140         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
16141         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
16142         (tls_shared_gd_to_ie_test_LDADD): New variable.
16143         (tls_shared_gnu2_gd_to_ie_test): New target.
16144         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
16145         New targets.
16146         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
16147         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
16148         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
16149         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
16150         (tls_shared_gnu2_test): New target.
16151         (tls_test_gnu2_shared.so): New target.
16152         (tls_shared_gnu2_test_SOURCES): New variable.
16153         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
16154         (tls_shared_gnu2_test_LDFLAGS): New variable.
16155         (tls_shared_gnu2_test_LDADD): New variable.
16156         * testsuite/Makefile.in: Rebuild.
16157         * testsuite/Makefile.
16158
16159 2008-04-11  Ian Lance Taylor  <iant@google.com>
16160
16161         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
16162         justsyms.t.
16163         * testsuite/Makefile.in: Rebuild.
16164
16165         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
16166         long.
16167         * testsuite/script_test_2.cc (main): Adjust test.
16168
16169 2008-04-11  David S. Miller  <davem@davemloft.net>
16170             Ian Lance Taylor  <iant@google.com>
16171
16172         * options.h (General_options): Add entries for '-Y' and
16173         '-relax'.
16174         * options.cc (General_options:finalize): If -Y was used, add those
16175         entries to the library path instead of the default "/lib" and
16176         "/usr/lib".
16177
16178 2008-04-11  David S. Miller  <davem@davemloft.net>
16179
16180         * testsuite/justsyms.t: Start at 0x100.
16181         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
16182         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
16183         long.
16184         * testsuite/script_test_2.cc: Adjust string and section length
16185         checks.
16186
16187 2008-04-09  Ian Lance Taylor  <iant@google.com>
16188
16189         PR gold/5996
16190         * script-sections.cc (Sections_element::allocate_to_segment): Add
16191         orphan parameter.
16192         (Output_section_definition::allocate_to_segment): Likewise.
16193         (Orphan_output_section::allocate_to_segment): Likewise.
16194         (Script_sections::attach_sections_using_phdrs_clause): Don't
16195         propagate non-PT_LOAD segments to orphan sections.
16196         * testsuite/Makefile.am (script_test_3.stdout): Generate using
16197         readelf rather than objdump.
16198         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
16199         .interp section and PT_INTERP segment are the same size.
16200         * testsuite/Makefile.in: Rebuild.
16201
16202         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
16203         aliases for symbols defined in the same object.
16204         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
16205         (weak_alias_test_SOURCES): New variable.
16206         (weak_alias_test_DEPENDENCIES): New variable.
16207         (weak_alias_test_LDFLAGS): New variable.
16208         (weak_alias_test_LDADD): New variable.
16209         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
16210         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
16211         (weak_alias_test_3.o): New target.
16212         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
16213         * testsuite/weak_alias_test_main.cc: New file.
16214         * testsuite/weak_alias_test_1.cc: New file.
16215         * testsuite/weak_alias_test_2.cc: New file.
16216         * testsuite/weak_alias_test_3.cc: New file.
16217
16218 2008-04-08  Ian Lance Taylor  <iant@google.com>
16219
16220         * options.h (class General_options): Add --noinhibit-exec option.
16221         * main.cc (main): Check --noinhibit-exec.
16222
16223         * options.h (class General_options): Define --wrap as a special
16224         option.  Add wrap_symbols_ field.
16225         (General_options::any_wrap_symbols): New function.
16226         (General_options::is_wrap_symbol): New function.
16227         * options.cc (General_options::parse_wrap): New function.
16228         (General_options::General_options): Initialize wrap_symbols_.
16229         * symtab.cc (Symbol_table::wrap_symbol): New function.
16230         (Symbol_table::add_from_object): Handle --wrap.
16231         * symtab.h (class Symbol_table): Declare wrap_symbol.
16232         * target.h (Target::wrap_char): New function.
16233         (Target::Target_info): Add wrap_char field.
16234         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
16235         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
16236         * testsuite/testfile.cc (Target_test::test_target_info):
16237         Likewise.
16238
16239         * errors.cc (Errors::undefined_symbol): Mention symbol version if
16240         there is one.
16241
16242         * layout.h (class Layout): Add added_eh_frame_data_ field.
16243         * layout.cc (Layout::Layout): Initialize new field.
16244         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
16245         output section until we find a section we merged successfully.
16246         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
16247         that the size be non-zero.
16248
16249         * merge.cc (Object_merge_map::get_output_offset): Remove inline
16250         qualifier.
16251
16252 2008-04-08  Craig Silverstein  <csilvers@google.com>
16253
16254         * configure.ac: Export new conditional variable HAVE_ZLIB.
16255         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
16256         on HAVE_ZLIB.
16257         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
16258         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
16259
16260 2008-04-07  Ian Lance Taylor  <iant@google.com>
16261
16262         * version.cc (version_string): Set to "1.5".
16263
16264         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
16265         Add issued_non_pic_error_ field.  Declare check_non_pic.
16266         (Target_x86_64::Scan::check_non_pic): New function.
16267         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
16268         (Target_x86_64::Scan::global): Likewise.
16269
16270         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
16271         addend parameter.  Change caller.  Handle merge sections.
16272         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
16273         Address to Addend.  Don't add in the result of
16274         local_section_offset, pass down the addend and use the returned
16275         value.
16276         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
16277         Update declarations of local_section_offset and symbol_value.
16278         * testsuite/two_file_test_1.cc (t18): New function.
16279         * testsuite/two_file_test_2.cc (f18): New function.
16280         * testsuite/two_file_test_main.cc (main): Call t18.
16281         * testsuite/two_file_test.h (t18, f18): Declare.
16282
16283         * configure.ac: Don't test for objdump, c++filt, or readelf.
16284         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
16285         conditionals.
16286         (TEST_READELF): New variable.
16287         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
16288         (check_PROGRAMS): Add two_file_strip_test.
16289         (two_file_strip_test): New target.
16290         (check_PROGRAMS): Add two_file_same_shared_strip_test.
16291         (two_file_same_shared_strip_test_SOURCES): New variable.
16292         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
16293         (two_file_same_shared_strip_test_LDFLAGS): New variable.
16294         (two_file_same_shared_strip_test_LDADD): New variable.
16295         (two_file_shared_strip.so): New target.
16296         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
16297         (ver_test_5.syms, ver_test_7.syms): Likewise.
16298         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
16299         (strip_test_3.stdout): Use TEST_OBJDUMP.
16300         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
16301
16302 2008-04-04  Cary Coutant  <ccoutant@google.com>
16303
16304         * symtab.h (Symbol::is_weak_undefined): New function.
16305         (Symbol::is_strong_undefined): New function.
16306         (Symbol::is_absolute): New function.
16307         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
16308         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
16309         absolute symbols.
16310         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
16311         (weak_undef_test): New target.
16312         * testsuite/Makefile.in: Rebuild.
16313         * testsuite/weak_undef_file1.cc: New file.
16314         * testsuite/weak_undef_file2.cc: New file.
16315         * testsuite/weak_undef_test.cc: New file.
16316
16317 2008-04-03  Craig Silverstein  <csilvers@google.com>
16318
16319         * compressed_output.h (class Output_compressed_section): Use
16320         unsigned buffer.
16321         * compressed_output.cc (zlib_compress): Use unsigned buffers,
16322         add zlib header.
16323         (zlib_compressed_suffix): Removed.
16324         (Output_compressed_section::set_final_data_size): Use unsigned
16325         buffers.
16326         * testsuite/Makefile.am (flagstest_compress_debug_sections):
16327         Fix linker invocation.
16328         (flagstest_o_specialfile_and_compress_debug_sections):
16329         Likewise.
16330         * testsuite/Makefile.in: Regenerated.
16331
16332 2008-04-02  David S. Miller  <davem@davemloft.net>
16333
16334         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
16335         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
16336
16337 2008-04-02  Craig Silverstein  <csilvers@google.com>
16338
16339         * TODO: New file.
16340
16341 2008-04-02  Ian Lance Taylor  <iant@google.com>
16342
16343         * fileread.cc (File_read::find_view): Add byteshift and vshifted
16344         parameters.  Update for new key type to views_.  Change all
16345         callers.
16346         (File_read::read): Adjust for byteshift in returned view.
16347         (File_read::add_view): New function, broken out of
16348         find_and_make_view.
16349         (File_read::make_view): New function, broken out of
16350         find_and_make_view.
16351         (File_read::find_or_make_view): Add offset and aligned
16352         parameters.  Rewrite accordingly.  Change all callers.
16353         (File_read::get_view): Add offset and aligned parameters.  Adjust
16354         for byteshift in return value.
16355         (File_read::get_lasting_view): Likewise.
16356         * fileread.h (class File_read): Update declarations.
16357         (class File_read::View): Add byteshift_ field.  Add byteshift to
16358         constructor.  Add byteshift method.
16359         * archive.h (Archive::clear_uncached_views): New function.
16360         (Archive::get_view): Add aligned parameter.  Change all callers.
16361         * object.h (Object::get_view): Add aligned parameter.  Change all
16362         callers.
16363         (Object::get_lasting_view): Likewise.
16364
16365         * fileread.cc (File_read::release): Don't call clear_views if
16366         there are multiple objects.
16367         * fileread.h (File_read::clear_uncached_views): New function.
16368         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
16369         on the archive.
16370
16371 2008-03-31  Cary Coutant  <ccoutant@google.com>
16372
16373         Add thin archive support.
16374         * archive.cc (Archive::armagt): New const.
16375         (Archive::setup): Remove task parameter and calls to unlock.
16376         (Archive::unlock_nested_archives): New function.
16377         (Archive::read_header): Add nested_off parameter. Change
16378         all callers.
16379         (Archive::interpret_header): Likewise.
16380         (Archive::include_all_members): Change to handle thin
16381         archives.
16382         (Archive::include_member): Likewise.
16383         * archive.h (Archive::Archive): Add new parameters and
16384         initializers.
16385         (Archive::armagt): New const.
16386         (Archive::setup): Remove task parameter.
16387         (Archive::unlock_nested_archives): New function.
16388         (Archive::read_header): Add nested_off parameter.
16389         (Archive::interpret_header): Likewise.
16390         (Archive::Nested_archive_table): New typedef.
16391         (Archive::is_thin_archive_): New field.
16392         (Archive::nested_archives_): New field.
16393         (Archive::options_): New field.
16394         (Archive::dirpath_): New field.
16395         (Archive::task_): New field.
16396         * readsyms.cc (Read_symbols::do_read_symbols): Add check
16397         for thin archives.  Pass additional parameters to
16398         Archive::Archive.  Unlock the archive file after calling
16399         Archive::setup.
16400
16401 2008-03-29  Ian Lance Taylor  <iant@google.com>
16402
16403         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
16404         version symbol to be local.
16405         * testsuite/ver_test_4.sh: New file.
16406         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
16407         (check_DATA): Add ver_test_4.syms.
16408         (ver_test_4.syms): New target.
16409         * testsuite/Makefile.in: Rebuild.
16410
16411         * output.cc
16412         (Output_section::Input_section_sort_entry::has_priority): New
16413         function.
16414         (Output_section::Input_section_sort_entry::match_file_name): New
16415         function.
16416         (Output_section::Input_section_sort_entry::match_section_name):
16417         Remove.
16418         (Output_section::Input_section_sort_entry::match_section_name_prefix):
16419         Remove.
16420         (Output_section::Input_section_sort_entry::match_section_file):
16421         Remove.
16422         (Output_section::Input_section_sort_compare::operator()): Rewrite
16423         using new Input_section_sort_entry functions.  Sort crtbegin and
16424         crtend first.  Sort sections with no priority before sections with
16425         a priority.
16426         * testsuite/initpri1.c (d3): Check j != 4.
16427         (cd5): New constructor/destructor function.
16428         (main): Check j != 2.
16429
16430         * symtab.cc (Symbol_table::add_from_object): If we don't use the
16431         new symbol when resolving, don't call set_is_default.
16432         * testsuite/ver_test_7.cc: New file.
16433         * testsuite/ver_test_7.sh: New file.
16434         * testsuite/Makefile.am (ver_test_7.so): New target.
16435         (ver_test_7.o): New target.
16436         (check_SCRIPTS): Add ver_test_7.sh.
16437         (check_DATA): Add ver_test_7.syms.
16438         (ver_test_7.syms): New target.
16439
16440 2008-03-28  Ian Lance Taylor  <iant@google.com>
16441
16442         * layout.cc (Layout::layout): If we see an input section with a
16443         name that needs sorting, set the must_sort flag for the output
16444         section.
16445         (Layout::make_output_section): If the name of the output section
16446         indicates that it might require sorting, set the may_sort flag.
16447         * output.h (Output_section::may_sort_attached_input_sections): New
16448         function.
16449         (Output_section::set_may_sort_attached_input_sections): New
16450         function.
16451         (Output_section::must_sort_attached_input_sections): New
16452         function.
16453         (Output_section::set_must_sort_attached_input_sections): New
16454         function.
16455         (class Output_section): Declare Input_section_sort_entry.  Define
16456         Input_section_sort_compare.  Declare
16457         sort_attached_input_sections.  Add new fields:
16458         may_sort_attached_input_sections_,
16459         must_sort_attached_input_sections_,
16460         attached_input_sections_are_sorted_.
16461         * output.cc (Output_section::Output_section): Initialize new
16462         fields.
16463         (Output_section::add_input_section): Add an entry to
16464         input_sections_ if may_sort or must_sort are true.
16465         (Output_section::set_final_data_size): Call
16466         sort_attached_input_sections if necessary.
16467         (Output_section::Input_section_sort_entry): Define new class.
16468         (Output_section::Input_section_sort_compare::operator()): New
16469         function.
16470         (Output_section::sort_attached_input_sections): New function.
16471         * configure.ac: Check whether the compiler supports constructor
16472         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
16473         * testsuite/initpri1.c: New file.
16474         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
16475         CONSTRUCTOR_PRIORITY.
16476         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
16477         (initpri1_LDFLAGS): New variable.
16478         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
16479
16480 2008-03-27  Ian Lance Taylor  <iant@google.com>
16481
16482         * common.cc (Sort_commons::operator): Correct sorting algorithm.
16483         * testsuite/common_test_1.c: New file.
16484         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
16485         (common_test_1_SOURCES): New variable.
16486         (common_test_1_DEPENDENCIES): New variable.
16487         (common_test_1_LDFLAGS): New variable.
16488
16489         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
16490         and commons_ correctly when NAME/VERSION does not override
16491         NAME/NULL.
16492         * testsuite/ver_test_6.c: New file.
16493         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
16494         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
16495         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
16496
16497 2008-03-26  Ian Lance Taylor  <iant@google.com>
16498
16499         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
16500         of an undefined symbol from a version script.
16501         * testsuite/Makefile.am (ver_test_5.so): New target.
16502         (ver_test_5.o): New target.
16503         (check_SCRIPTS): Add ver_test_5.sh.
16504         (check_DATA): Add ver_test_5.syms.
16505         (ver_test_5.syms): New target.
16506         * testsuite/ver_test_5.cc: New file.
16507         * testsuite/ver_test_5.script: New file.
16508         * testsuite/ver_test_5.sh: New file.
16509         * Makefile.in, testsuite/Makefile.in: Rebuild.
16510
16511         PR gold/5986
16512         Fix problems building gold with gcc 4.3.0.
16513         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
16514         (gold_error_at_location, gold_warning_at_location): Use it.
16515         * configure.ac: Check whether we can compile and use a template
16516         function with a printf attribute.
16517         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
16518         when jumping over bytes.
16519         * object.cc: Instantiate Object::read_section_data.
16520         * debug.h: Include <cstring>
16521         * dwarf_reader.cc: Include <algorithm>
16522         * main.cc: Include <cstring>.
16523         * options.cc: Include <cstring>.
16524         * output.cc: Include <cstring>.
16525         * script.cc: Include <cstring>.
16526         * script.h: Include <string>.
16527         * symtab.cc: Include <cstring> and <algorithm>.
16528         * target-select.cc: Include <cstring>.
16529         * version.cc: Include <string>.
16530         * testsuite/testmain.cc: Include <cstdlib>.
16531         * configure, config.in: Rebuild.
16532
16533 2008-03-25  Ian Lance Taylor  <iant@google.com>
16534
16535         * options.cc: Include "../bfd/bfdver.h".
16536         (options::help): Print bug reporting address.
16537
16538         * version.cc (print_version): Adjust output for current value of
16539         BFD_VERSION_STRING.
16540
16541         * NEWS: New file.
16542
16543         * options.cc (options::help): Print list of supported targets.
16544         * target-select.h: Include <vector>.
16545         (class Target_selector): Make machine_, size_, and is_big_endian_
16546         fields const.  Add bfd_name_ and instantiated_target_ fields.
16547         (Target_selector::Target_selector): Add bfd_name parameter.
16548         (Target_selector::recognize): Make non-virtual, call
16549         do_recognize.
16550         (Target_selector::recognize_by_name): Make non-virtual, call
16551         do_recognize_by_name.
16552         (Target_selector::supported_names): New function.
16553         (Target_selector::bfd_name): New function.
16554         (Target_selector::do_instantiate_target): New pure virtual
16555         function.
16556         (Target_selector::do_recognize): New virtual function.
16557         (Target_selector::do_recognize_by_name): New virtual function.
16558         (Target_selector::instantiate_target): New private function.
16559         (supported_target_names): Declare.
16560         * target-select.cc (Target_selector::Target_selector): Update for
16561         new parameter and fields.
16562         (select_target_by_name): Check that the name matches before
16563         calling recognize_by_name.
16564         (supported_target_names): New function.
16565         * i386.cc (class Target_selector_i386): Update Target_selector
16566         constructor call.  Remove recognize and recognize_by_name.  Add
16567         do_instantiate_target.
16568         * x86_64.cc (class Target_selector_x86_64): Likewise.
16569         * testsuite/testfile.cc (class Target_selector_test): Update for
16570         changes to Target_selector.
16571
16572         * README: Rewrite, with some notes on unsupported features.
16573
16574 2008-03-24  Cary Coutant  <ccoutant@google.com>
16575
16576         * i386.cc (Target_i386::Got_type): New enum declaration.
16577         (Target_i386::Scan::local): Updated callers of Output_data_got
16578         member functions.
16579         (Target_i386::Scan::global): Likewise.
16580         (Target_i386::Relocate::relocate): Likewise.
16581         (Target_i386::Relocate::relocate_tls): Likewise.
16582         * object.h (Got_offset_list): New class.
16583         (Sized_relobj::local_has_got_offset): Added got_type parameter.
16584         (Sized_relobj::local_got_offset): Likewise.
16585         (Sized_relobj::set_local_got_offset): Likewise.
16586         (Sized_relobj::local_has_tls_got_offset): Removed.
16587         (Sized_relobj::local_tls_got_offset): Removed.
16588         (Sized_relobj::set_local_tls_got_offset): Removed.
16589         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
16590         * output.cc (Output_data_got::add_global): Added got_type parameter.
16591         (Output_data_got::add_global_with_rel): Likewise.
16592         (Output_data_got::add_global_with_rela): Likewise.
16593         (Output_data_got::add_global_pair_with_rel): New function.
16594         (Output_data_got::add_global_pair_with_rela): New function.
16595         (Output_data_got::add_local): Added got_type parameter.
16596         (Output_data_got::add_local_with_rel): Likewise.
16597         (Output_data_got::add_local_with_rela): Likewise.
16598         (Output_data_got::add_local_pair_with_rel): New function.
16599         (Output_data_got::add_local_pair_with_rela): New function.
16600         (Output_data_got::add_global_tls): Removed.
16601         (Output_data_got::add_global_tls_with_rel): Removed.
16602         (Output_data_got::add_global_tls_with_rela): Removed.
16603         (Output_data_got::add_local_tls): Removed.
16604         (Output_data_got::add_local_tls_with_rel): Removed.
16605         (Output_data_got::add_local_tls_with_rela): Removed.
16606         * output.h (Output_data_got::add_global): Added got_type parameter.
16607         (Output_data_got::add_global_with_rel): Likewise.
16608         (Output_data_got::add_global_with_rela): Likewise.
16609         (Output_data_got::add_global_pair_with_rel): New function.
16610         (Output_data_got::add_global_pair_with_rela): New function.
16611         (Output_data_got::add_local): Added got_type parameter.
16612         (Output_data_got::add_local_with_rel): Likewise.
16613         (Output_data_got::add_local_with_rela): Likewise.
16614         (Output_data_got::add_local_pair_with_rel): New function.
16615         (Output_data_got::add_local_pair_with_rela): New function.
16616         (Output_data_got::add_global_tls): Removed.
16617         (Output_data_got::add_global_tls_with_rel): Removed.
16618         (Output_data_got::add_global_tls_with_rela): Removed.
16619         (Output_data_got::add_local_tls): Removed.
16620         (Output_data_got::add_local_tls_with_rel): Removed.
16621         (Output_data_got::add_local_tls_with_rela): Removed.
16622         * resolve.cc (Symbol::override_base_with_special): Removed
16623         reference to has_got_offset_ field.
16624         * symtab.cc (Symbol::init_fields): Replaced initialization
16625         of got_offset_ with got_offsets_.  Removed initialization
16626         of has_got_offset_
16627         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
16628         (Symbol::got_offset): Likewise.
16629         (Symbol::set_got_offset): Likewise.
16630         (Symbol::has_tls_got_offset): Removed.
16631         (Symbol::tls_got_offset): Removed.
16632         (Symbol::set_tls_got_offset): Removed.
16633         (Symbol::got_offset_): Removed.
16634         (Symbol::tls_mod_got_offset_): Removed.
16635         (Symbol::tls_pair_got_offset_): Removed.
16636         (Symbol::got_offsets_): New field.
16637         (Symbol::has_got_offset): Removed.
16638         (Symbol::has_tls_mod_got_offset): Removed.
16639         (Symbol::has_tls_pair_got_offset): Removed.
16640         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
16641         (Target_x86_64::Scan::local): Updated callers of Output_data_got
16642         member functions.
16643         (Target_x86_64::Scan::global): Likewise.
16644         (Target_x86_64::Relocate::relocate): Likewise.
16645         (Target_x86_64::Relocate::relocate_tls): Likewise.
16646
16647 2008-03-25  Ben Elliston  <bje@au.ibm.com>
16648
16649         * yyscript.y: Fix spelling error in comment.
16650
16651 2008-03-24  Ian Lance Taylor  <iant@google.com>
16652
16653         * options.h (class General_options): Define build_id option.
16654         * layout.h (class Layout): Declare write_build_id, create_note,
16655         create_build_id.  Add build_id_note_ member.
16656         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
16657         "libiberty.h", "md5.h", "sha1.h".
16658         (Layout::Layout): Initialize eh_frame_data_,
16659         eh_frame_hdr_section_, and build_id_note_.
16660         (Layout::finalize): Call create_build_id.
16661         (Layout::create_note): New function, broken out of
16662         Layout::create_gold_note.
16663         (Layout::create_gold_note): Call create_note.
16664         (Layout::create_build_id): New function.
16665         (Layout::write_build_id): New function.
16666         (Close_task_runner::run): Call write_build_id.
16667
16668         * x86_64.cc: Correct license to GPLv3.
16669
16670 2008-03-23  Ian Lance Taylor  <iant@google.com>
16671
16672         * options.cc: Include "demangle.h".
16673         (parse_optional_string): New function.
16674         (parse_long_option): Handle takes_optional_argument.
16675         (parse_short_option): Update dash_z initializer.  Handle
16676         takes_optional_argument.
16677         (General_options::General_options): Initialize do_demangle_.
16678         (General_options::finalize): Set do_demangle_.  Handle demangling
16679         style.
16680         * options.h (parse_optional_string): Declare.
16681         (struct One_option): Add optional_arg field.  Update constructor.
16682         Update call constructor calls.  Add takes_optional_argument
16683         function.
16684         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
16685         (DEFINE_optional_string): Define.
16686         (General_options::demangle): Change from DEFINE_bool to
16687         DEFINE_optional_string.
16688         (General_options::no_demangle): New function.
16689         (General_options::do_demangle): New function.
16690         (General_options::set_do_demangle): New function.
16691         (General_options::execstack_status_): Move definition to end of
16692         class definition.
16693         (General_options::static_): Likewise.
16694         (General_options::do_demangle_): New field.
16695         * object.cc (big_endian>::get_symbol_location_info): Call
16696         Options::do_demangle, not Options::demangle.
16697         * symtab.cc (demangle): Likewise.
16698
16699 2008-03-22  Ian Lance Taylor  <iant@google.com>
16700
16701         * gold.h: Include <cstddef> and <sys/types.h>
16702         * options.h: Include <cstring>.
16703
16704 2008-03-21  Ian Lance Taylor  <iant@google.com>
16705
16706         * Added source code to GNU binutils.
16707 \f
16708 Copyright (C) 2008-2015 Free Software Foundation, Inc.
16709
16710 Copying and distribution of this file, with or without modification,
16711 are permitted in any medium without royalty provided the copyright
16712 notice and this notice are preserved.
16713
16714 Local Variables:
16715 mode: change-log
16716 left-margin: 8
16717 fill-column: 74
16718 version-control: never
16719 End: