gold/ChangeLog

   1 2014-06-05  Joel Brobecker  <brobecker@adacore.com>
   2
   3         * Makefile.am (CONFIG_STATUS_DEPENDENCIES): New.
   4         * Makefile.in, configure: Regenerate.
   5
   6 2014-06-03  Alan Modra  <amodra@gmail.com>
   7
   8         * powerpc.cc (addis_12_2): Define.
   9         (Stub_table::do_write): Support fusion on ELFv2 stubs.
  10
  11 2014-06-03  Alan Modra  <amodra@gmail.com>
  12
  13         * testsuite/plugin_test.c (parse_readelf_line): Skip non-visibility
  14         st_other output.
  15
  16 2014-06-02  Alan Modra  <amodra@gmail.com>
  17
  18         * powerpc.cc (Target_powerpc::local_reloc_may_be_function_pointer):
  19         Only ignore relocs on ELFv1.
  20         (Target_powerpc::global_reloc_may_be_function_pointer): Likewise.
  21
  22 2014-05-30  Cary Coutant  <ccoutant@google.com>
  23
  24         * testsuite/Makefile.am (ehdr_start_test_4): Fix typo in -B option.
  25         * testsuite/Makefile.in: Regenerate.
  26         * testsuite/ehdr_start_test_4.sh: Look for "U" instead of "w".
  27
  28 2014-05-27  H.J. Lu  <hongjiu.lu@intel.com>
  29
  30         PR gold/16945
  31         * x86_64.cc (Target_x86_64::Relocate::relocate): Use signed int
  32         for got_offset.  Properly get GOT address for R_X86_64_PLTOFF64.
  33
  34 2014-05-15  Alan Modra  <amodra@gmail.com>
  35
  36         * powerpc.cc (do_plt_fde_location): Handle zero length .glink.
  37         Compare FDE contents with DW_CFA_nop rather than 0.
  38
  39 2014-05-13  Sriraman Tallam  <tmsriram@google.com>
  40
  41         * symtab.h (may_need_copy_reloc): Remove check for position independent
  42         code.
  43         * x86_64.cc (Target_x86_64<size>::Scan::global): Add check for no
  44         position independence before pc absolute may_need_copy_reloc call.
  45         Add check for executable output befor pc relative may_need_copy_reloc
  46         call.
  47         * i386.cc: Ditto.
  48         * arm.cc: Ditto.
  49         * sparc.cc: Ditto.
  50         * tilegx.cc: Ditto.
  51         * powerpc.cc: Add check for no position independence before
  52         may_need_copy_reloc calls.
  53         * testsuite/pie_copyrelocs_test.cc: New file.
  54         * testsuite/pie_copyrelocs_shared_test.cc: New file.
  55         * Makefile.am (pie_copyrelocs_test): New test.
  56         * Makefile.in: Regenerate.
  57
  58 2014-05-08  Martin Liška  <mliska@suse.cz>
  59
  60         * output.cc (Sized_relobj_file::do_layout): Fix typo in info message.
  61
  62 2014-05-06  Cary Coutant  <ccoutant@google.com>
  63
  64         PR gold/16900
  65         * i386.cc (Output_data_got_plt_i386): New class.
  66         (Output_data_plt_i386::Output_data_plt_i386): Change type of got_plt
  67         parameter. Change all callers.
  68         (Output_data_plt_i386::layout_): Remove.
  69         (Output_data_plt_i386::got_plt_): Change type.
  70         (Target_i386::got_plt_): Change type. Change all references.
  71         (Target_i386::got_section): Create instance of new class.
  72         (Output_data_got_plt_i386::do_write): New function.
  73         * x86_64.cc (Output_data_got_plt_x86_64): New class.
  74         (Output_data_plt_x86_64::Output_data_plt_x86_64): Change type of got_plt
  75         parameter. Change all callers.
  76         (Output_data_plt_x86_64::layout_): Remove.
  77         (Output_data_plt_x86_64::got_plt_): Change type.
  78         (Target_x86_64::got_plt_): Change type. Change all references.
  79         (Target_x86_64::got_section): Create instance of new class.
  80         (Output_data_got_plt_x86_64::do_write): New function.
  81         (Output_data_plt_x86_64::do_write): Don't write reserved words in GOT.
  82         (Target_x86_64<size>::init_got_plt_for_update): Create instance of new
  83         class.
  84
  85 2014-05-05  Cary Coutant  <ccoutant@google.com>
  86
  87         * gdb-index.cc (Gdb_index_info_reader): Don't complain about language
  88         if we have pubnames/pubtypes.
  89
  90 2014-05-02  Cary Coutant  <ccoutant@google.com>
  91
  92         * defstd.cc (in_segment): Define __ehdr_start here...
  93         * layout.cc (Layout::finalize): ...Instead of here.  Set the
  94         output segment when known.
  95         * resolve.cc (Symbol::override_base_with_special): Remember
  96         the original binding.
  97         * symtab.cc (Symbol::set_output_segment): New function.
  98         (Symbol::set_undefined): New function.
  99         * symtab.h (Symbol::is_weak_undefined): Check original undef
 100         binding.
 101         (Symbol::is_strong_undefined): New function.
 102         (Symbol::set_output_segment): New function.
 103         (Symbol::set_undefined): New function.
 104         * target-reloc.h (is_strong_undefined): Remove.
 105         (issue_undefined_symbol_error): Call Symbol::is_weak_undefined.
 106         Check for hidden undefs.
 107         (relocate_section): Call Symbol::is_strong_undefined.
 108
 109         * testsuite/Makefile.am (ehdr_start_test_1)
 110         (ehdr_start_test_2, ehdr_start_test_3)
 111         (ehdr_start_test_4, ehdr_start_test_5): New test cases.
 112         * testsuite/Makefile.in: Regenerate.
 113         * testsuite/ehdr_start_def.cc: New source file.
 114         * testsuite/ehdr_start_test.cc: New source file.
 115         * testsuite/ehdr_start_test.t: New linker script.
 116         * testsuite/ehdr_start_test_4.sh: New shell script.
 117
 118 2014-04-23  Cary Coutant  <ccoutant@google.com>
 119
 120         PR gold/16870
 121         * x86_64.cc (Target_x86_64::Relocate::relocate): Add missing break.
 122
 123 2014-04-15  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 124
 125         * layout.cc (Layout::include_section): Allow a target to decide
 126         whether to include a section.
 127         * target.h (Target::should_include_section): New function.
 128         (Target::do_should_include_section): New function.
 129
 130 2014-04-15  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 131
 132         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Remove and
 133         inline into ...
 134         (Copy_relocs::emit): ... here.
 135         * copy-relocs.h (Copy_reloc_entry): Change from class to struct.
 136         (Copy_reloc_entry::make_copy_reloc): Change from private to protected.
 137         (Copy_reloc_entry::entries_): Change from private to protected.
 138
 139 2014-04-02  Sriraman Tallam  <tmsriram@google.com>
 140
 141         * icf.cc (get_section_contents): Replace copies of reloc
 142         vectors with const references.
 143
 144 2014-04-02  Cary Coutant  <ccoutant@google.com>
 145
 146         * configure.ac (HAVE_PUBNAMES): Use C instead of C++.
 147         (HAVE_NO_USE_LINKER_PLUGIN): Check for -fno-use-linker-plugin.
 148         * configure: Regenerate.
 149         * testsuite/Makefile.am (OPT_NO_PLUGINS): New macro for
 150         -fno-use-linker-plugin.
 151         (LINK1, CXXLINK1): Add it to the link command.
 152         * testsuite/Makefile.in: Regenerate.
 153
 154 2014-03-12  Alan Modra  <amodra@gmail.com>
 155
 156         * Makefile.in: Regenerate.
 157
 158 2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 159
 160         * symtab.h (Symbol::set_nonvis): New function.
 161
 162 2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 163
 164         * symtab.cc (Sized_symbol<32>::init_output_data):
 165         Instantiate the template.
 166         (Sized_symbol<64>::init_output_data): Likewise.
 167
 168 2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 169
 170         * symtab.cc (Symbol_table::sized_write_globals): Allow a target to
 171         adjust dynamic symbol value.
 172         * target.h (Target::adjust_dyn_symbol): New function.
 173         (Target::do_adjust_dyn_symbol): New function.
 174
 175 2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 176
 177         * output.cc (Output_data_dynamic::Dynamic_entry::write):
 178         Get the value of DYNAMIC_CUSTOM dynamic entry.
 179         * output.h (Output_data_dynamic::add_custom): New function.
 180         (Dynamic_entry::Dynamic_entry): New constructor for DYNAMIC_CUSTOM
 181         dynamic entry.
 182         (enum Dynamic_entry::Classification): Add DYNAMIC_CUSTOM.
 183         * target.h (Target::dynamic_tag_custom_value): New function.
 184         (Target::do_dynamic_tag_custom_value): New function.
 185
 186 2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 187
 188         * symtab.cc (Symbol_table::set_dynsym_indexes): Allow a target to set
 189         dynsym indexes.
 190         * target.h (Target::has_custom_set_dynsym_indexes): New function.
 191         (Target::do_has_custom_set_dynsym_indexes): New function.
 192         (Target::set_dynsym_indexes): New function.
 193         (Target::do_set_dynsym_indexes): New function.
 194
 195 2014-03-07  Alan Modra  <amodra@gmail.com>
 196
 197         * powerpc.cc (Powerpc_relocate_functions::Overflow_check): Add
 198         CHECK_UNSIGNED, CHECK_LOW_INSN, CHECK_HIGH_INSN.
 199         (Powerpc_relocate_functions::has_overflow_unsigned): New function.
 200         (Powerpc_relocate_functions::has_overflow_bitfield,
 201         overflowed): Use the above.
 202         (Target_powerpc::Relocate::relocate): Correct overflow checking
 203         for a number of relocations.  Modify overflow test for 16-bit
 204         fields in instructions to signed/unsigned according to whether
 205         the field takes a signed or unsigned value.
 206
 207 2014-03-05  Alan Modra  <amodra@gmail.com>
 208
 209         Update copyright years.
 210
 211 2014-03-05  Alan Modra  <amodra@gmail.com>
 212
 213         * powerpc.cc (Target_powerpc::Scan::local, global): Support
 214         R_PPC64_ADDR64_LOCAL.
 215         (Target_powerpc::Relocate::relocate): Likewise.
 216
 217 2014-03-03  Alan Modra  <amodra@gmail.com>
 218
 219         * dwp.cc (print_version): Update copyright year to current.
 220
 221 2014-02-10  Alan Modra  <amodra@gmail.com>
 222
 223         * po/gold.pot: Regenerate.
 224
 225 2014-02-06  Cary Coutant  <ccoutant@google.com>
 226
 227         Fix problem where -u is ignored when a weak undef is seen.
 228
 229         * archive.cc (Library_base::should_include_member): Reorder
 230         code to check for -u option if a weak undef has already been seen.
 231         * testsuite/Makefile.am (weak_undef_test_2): New test case.
 232         * testsuite/Makefile.in: Regenerate.
 233         * testsuite/weak_undef_file3.cc: New file.
 234         * testsuite/weak_undef_file4.cc: New file.
 235         * testsuite/weak_undef_test_2.cc: New file.
 236
 237 2014-02-05  Cary Coutant  <ccoutant@google.com>
 238
 239         Fix issues with gold undefined symbol diagnostics.
 240
 241         PR binutils/15435
 242         * errors.cc (Errors::undefined_symbol): Move undef vtable symbol
 243         check to here.
 244         * target-reloc.h (is_strong_undefined): New function.
 245         (relocate_section): Move undef vtable symbol check from here.
 246         Check for is_strong_undefined.
 247
 248 2014-02-05  Cary Coutant  <ccoutant@google.com>
 249
 250         Fix problems with the --dynamic-list option.
 251
 252         PR gold/13577
 253         * options.cc (General_options::parse_dynamic_list):
 254         Set have_dynamic_list_.
 255         (General_options::General_options): Initialize have_dynamic_list_.
 256         (General_options::finalize): Turn off -Bsymbolic and
 257         -Bsymbolic-functions if --dynamic-list provided.
 258         * options.h (General_options::have_dynamic_list): New function.
 259         (General_options::have_dynamic_list_): New data member.
 260         * symtab.h (Symbol::is_preemptible): Handle --dynamic-list
 261         correctly.
 262
 263         PR gold/16530
 264         * symtab.cc (Symbol_table::add_from_relobj): If symbol is named
 265         in --dynamic-list, mark it.
 266
 267         * testsuite/Makefile.am (gc_dynamic_list_test.sh): New test case.
 268         (dynamic_list_2): New test case.
 269         * testsuite/Makefile.in: Regenerate.
 270         * testsuite/dynamic_list_2.cc: New file.
 271         * testsuite/dynamic_list_2.t: New file.
 272         * testsuite/dynamic_list_lib1.cc: New file.
 273         * testsuite/dynamic_list_lib2.cc: New file.
 274         * testsuite/gc_dynamic_list_test.c: New file.
 275         * testsuite/gc_dynamic_list_test.sh: New file.
 276         * testsuite/gc_dynamic_list_test.t: New file.
 277
 278 2014-01-28  Cary Coutant  <ccoutant@google.com>
 279
 280         Add .gdb_index version 7 support.
 281
 282         * gold/dwarf_reader.cc: include <utility> (for make_pair).
 283         (Dwarf_abbrev_table::do_read_abbrevs): Check for compressed
 284         debug sections.
 285         (Dwarf_ranges_table::read_ranges_table): Likewise.
 286         (Dwarf_pubnames_table::read_section): Check for GNU-style
 287         sections, and for compressed debug sections.
 288         (Dwarf_pubnames_table::read_header): Compute end address of table.
 289         (Dwarf_pubnames_table::next_name): Return flag_byte.  Check
 290         for end of list by offset, not by offset == 0.
 291         (Dwarf_info_reader::do_read_string_table): Check for compressed
 292         debug sections.
 293         * gold/dwarf_reader.h (Dwarf_pubnames_table::Dwarf_pubnames_table):
 294         Initialize new data members.
 295         (Dwarf_pubnames_table::next_name): return flag_byte.
 296         (Dwarf_pubnames_table::end_of_table_): New data member.
 297         (Dwarf_pubnames_table::is_gnu_style_): New data member.
 298         * gold/gdb-index.cc (gdb_index_version): Update to version 7.
 299         (Gdb_index_info_reader::read_pubtable): Read flag_byte.
 300         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Don't
 301         read skeleton type unit DIEs.
 302         (Gdb_index::add_symbol): Add flag_byte; adjust all callers.
 303         (Gdb_index::do_write): Write flag_byte.
 304         * gold/gdb-index.h (Gdb_index::add_symbol): Add flags parameter.
 305         (Gdb_index::Cu_vector): Store flags along with cu indexes.
 306         * gold/testsuite/gdb_index_test_3.sh: Allow versions 4-7.
 307         * gold/testsuite/gdb_index_test_comm.sh: Likewise.
 308
 309 2014-01-08  H.J. Lu  <hongjiu.lu@intel.com>
 310
 311         * version.cc (print_version): Update copyright year to 2014.
 312
 313 2013-12-19  Dimitry Andric  <dimitry@andric.com>
 314
 315         * stringpool.cc (Stringpool_template::reserve): Add
 316         HAVE_UNORDERED_MAP case.
 317         * stringpool.cc (Stringpool_template::print_stats): Likewise.
 318
 319 2013-12-18  Cary Coutant  <ccoutant@google.com>
 320
 321         * configure.ac: Check for <unordered_set> and <unordered_map>.
 322         * config.in: Regenerate.
 323         * configure: Regenerate.
 324         * system.h: Use <unordered_set> and <unordered_map> if available.
 325
 326 2013-12-10  Roland McGrath  <mcgrathr@google.com>
 327
 328         * Makefile.am (install-exec-local): Prefix $(INSTALL_PROGRAM) uses
 329         with $(INSTALL_PROGRAM_ENV).
 330         * Makefile.in: Regenerate.
 331
 332 2013-11-22  Cary Coutant  <ccoutant@google.com>
 333
 334         * configure.ac: Add check for which library is needed for
 335         dlopen.
 336         * configure: Regenerate.
 337
 338 2013-11-22  Cary Coutant  <ccoutant@google.com>
 339
 340         * testsuite/Makefile.am (exception_x86_64_bnd_test): Use in-tree
 341         assembler.
 342         * testsuite/Makefile.in: Regenerate.
 343
 344 2013-11-17  H.J. Lu  <hongjiu.lu@intel.com>
 345
 346         * x86_64.cc (Target_x86_64<size>::Scan::get_reference_flags):
 347         Handle R_X86_64_PC32_BND and R_X86_64_PLT32_BND just like
 348         R_X86_64_PC32 and R_X86_64_PLT32, respectively.
 349         (Target_x86_64<size>::Scan::local): Likewise.
 350         (Target_x86_64<size>::Scan::global): Likewise.
 351         (Target_x86_64<size>::Relocate::relocate): Likewise.
 352         (Target_x86_64<size>::Relocatable_size_for_reloc::get_size_for_reloc):
 353         Likewise.
 354         (Target_x86_64<size>::Scan::check_non_pic(): Handle
 355         R_X86_64_PC32_BND.
 356
 357         * testsuite/Makefile.am (check_PROGRAMS): Add
 358         exception_x86_64_bnd_test.
 359         (exception_x86_64_bnd_test_SOURCES): New macro.
 360         (exception_x86_64_bnd_test_DEPENDENCIES): Likewise.
 361         (exception_x86_64_bnd_test_LDFLAGS): Likewise.
 362         (exception_x86_64_bnd_test_LDADD): Likewise.
 363         (exception_x86_64_bnd_1.o): New rule.
 364         (exception_x86_64_bnd_2.o): Likewise.
 365         * testsuite/Makefile.in: Regenerated.
 366
 367 2013-11-15  Alan Modra  <amodra@gmail.com>
 368
 369         * powerpc.cc (Target_powerpc::glink_section): Provide non-const
 370         accessor.
 371         (Target_powerpc::Branch_info::make_stub): Make global entry stubs.
 372         Only call ppc64_local_entry_offset for 64-bit.  Restrict
 373         symval_for_branch lookup to ELFv1.
 374         (Stub_table::add_plt_call_entry): Use unsigned int off.
 375         (Output_data_glink::Address, invalid_address): New.
 376         (Output_data_glink::add_eh_frame): Move out of line.  Add
 377         support for ELFv2.
 378         (Output_data_glink::add_global_entry, find_global_entry,
 379         global_entry_address): New functions.
 380         (Output_data_glink::global_entry_stubs_, end_branch_table_,
 381         ge_size): New variables.
 382         (Output_data_glink::set_final_data_size): Add global entry
 383         stub sizing.
 384         (Output_data_glink::do_write): Write global entry stubs.
 385         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Add target
 386         parameter.  Return true for ELFv2.  Adjust callers.
 387         (Target_powerpc::Scan::local, global): Restrict opd lookup to
 388         ELFv1.  Similarly for ifunc and dynamic relocation processing
 389         specific to ELFv1.  Recognize that symbols are defined on
 390         their plt entries for ELFv2.
 391         (Target_powerpc::symval_for_branch): Assert if called for
 392         ELFv2 or ppc32.
 393         (Target_powerpc::Relocate::relocate): Use global entry plt
 394         stub for symbol value if such exists on ELFv2.
 395         (Target_powerpc::Relocate::relocate): Don't call
 396         symval_for_branch when ELFv2.  Do adjust for local entry
 397         offset when ELFv2.
 398         (Target_powerpc::do_dynsym_value): Set symbols to global entry
 399         plt stub for ELFv2.
 400         (Target_powerpc::do_plt_address_for_global): Similarly.
 401
 402 2013-11-14  Cary Coutant  <ccoutant@google.com>
 403
 404         Revert patch -- this did not fix the problem, and there is
 405         no race there.
 406
 407         2013-11-14  Cary Coutant  <ccoutant@google.com>
 408
 409             PR gold/14860
 410             * ehframe.cc (Eh_frame_hdr::Eh_frame_hdr): Initialize lock_.
 411             (Ehframe_hdr::set_final_data_size): Allocate a Lock.
 412             * ehframe.h (Eh_frame_hdr::record_fde): Hold the lock while
 413             updating fde_offsets_.
 414             (Eh_frame_hdr::lock_): New data member.
 415
 416 2013-11-14  Cary Coutant  <ccoutant@google.com>
 417
 418         * dwp.cc (Dwo_file_entry): New type.
 419         (File_list): Use Dwo_file_entry.
 420         (Dwo_file::verify): New function.
 421         (Dwo_file::verify_dwo_list): New function.
 422         (Dwo_file::sized_verify_dwo_list): New function.
 423         (Dwo_name_info_reader::visit_compilation_unit): Add dwo_id to file
 424         list.
 425         (Dwp_options): New enum type.
 426         (dwp_options): Add --verify-only.
 427         (usage): Likewise.
 428         (main): Likewise.
 429         * dwp.h (gold_info): Add declaration.
 430
 431 2013-11-14  Cary Coutant  <ccoutant@google.com>
 432
 433         PR gold/14860
 434         * ehframe.cc (Eh_frame_hdr::Eh_frame_hdr): Initialize lock_.
 435         (Ehframe_hdr::set_final_data_size): Allocate a Lock.
 436         * ehframe.h (Eh_frame_hdr::record_fde): Hold the lock while
 437         updating fde_offsets_.
 438         (Eh_frame_hdr::lock_): New data member.
 439
 440 2013-11-06  Cary Coutant  <ccoutant@google.com>
 441
 442         PR gold/15758
 443         * object.cc (Sized_relobj_file::do_layout): Handle .eh_frame sections
 444         before reloc sections.
 445
 446 2013-11-04  Alan Modra  <amodra@gmail.com>
 447
 448         * symtab.h (Symbol::Reference_flags): Add FUNC_DESC_ABI.
 449         (Symbol::needs_dynamic_reloc): Test new flag.
 450         * powerpc.cc (needs_dynamic_reloc, use_plt_offset): Delete.
 451         (Target_powerpc::Scan::get_reference_flags): Add target param.
 452         Return FUNC_DESC_ABI for 64-bit ELFv1.
 453         (Target_powerpc::Branch_info::make_stub): Adjust get_reference_flags
 454         call.
 455         (Target_powerpc::Scan::global): Use Symbol::needs_dynamic_reloc.
 456         (Target_powerpc::Relocate::relocate): Use Symbol::use_plt_offset.
 457
 458 2013-10-31  Cary Coutant  <ccoutant@google.com>
 459
 460         Restore support for dwp v2 DWARF package file format.
 461
 462         * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
 463         tu_length parameter.  Adjust all callers.
 464         * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
 465         * dwp.cc: Include dwarf.h.
 466         (Section_bounds): New struct type.
 467         (Unit_set): New struct type.
 468         (Dwo_file::Dwo_file): Initialize new data member.
 469         (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
 470         Combine and rename to...
 471         (Dwo_file::read_unit_index): ...this.
 472         (Dwo_file::sized_read_compunit_index)
 473         (Dwo_file::sized_read_typeunit_index): Combine and rename to...
 474         (Dwo_file::sized_read_unit_index): ...this.
 475         (Dwo_file::copy_section): Remove section_name, is_str_offsets
 476         parameters; add section_id parameter.
 477         (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
 478         (Dwo_file::add_unit_set): ...this.
 479         (Dwo_file::shndx_map_): Remove.
 480         (Dwo_file::sect_offsets_): New data member.
 481         (Dwp_output_file::Dwp_output_file): Initialize new data members.
 482         (Dwp_output_file::add_section): Rename to...
 483         (Dwp_output_file::add_contribution): ...this.
 484         (Dwp_output_file::add_cu_set): Combine parameters into a struct.
 485         (Dwp_output_file::add_tu_set): Likewise.
 486         (Dwp_output_file::Contribution): New type.
 487         (Dwp_output_file::Section::contributions): New data member.
 488         (Dwp_output_file::Cu_or_tu_set): Remove.
 489         (Dwp_output_file::Section::Section): New ctor.
 490         (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
 491         (Dwp_output_file::Dwp_index::Section_table): New type.
 492         (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
 493         (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
 494         parameter.
 495         (Dwp_output_file::Dwp_index::shndx_pool): Remove.
 496         (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
 497         (Dwp_output_file::Dwp_index::section_table): New member function.
 498         (Dwp_output_file::Dwp_index::section_table_end): New member function.
 499         (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
 500         (Dwp_output_file::Dwp_index::section_table_rows): New member function.
 501         (Dwp_output_file::Dwp_index::section_table_cols): New member function.
 502         (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
 503         (Dwp_output_file::Dwp_index::section_table_): New data member.
 504         (Dwp_output_file::Dwp_index::section_mask_): New data member.
 505         (Dwp_output_file::add_output_section): New member function.
 506         (Dwp_output_file::write_new_section): New member function.
 507         (Dwp_output_file::write_contributions): New member function.
 508         (Dwp_output_file::section_id_map_): New data member.
 509         (class Dwo_id_info_reader): Remove.
 510         (class Unit_reader): New class.
 511         (get_dwarf_section_name): New function.
 512         (Dwo_file::read_executable): Adjust initializations of class data.
 513         (Dwo_file::read): Add support for v2 package file format.
 514         (Dwo_file::read_unit_index): Likewise.
 515         (Dwo_file::sized_read_unit_index): Likewise.
 516         (Dwo_file::copy_section): Likewise.
 517         (Dwo_file::add_unit_set): Likewise.
 518         (Dwp_output_file::add_output_section): Likewise.
 519         (Dwp_output_file::add_contribution): Likewise.
 520         (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
 521         for empty slot.
 522         (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
 523         file format.
 524         (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
 525         slot.
 526         (Dwp_output_file::initialize): Remove unused function.
 527         (Dwp_output_file::finalize): Add support for v2 package file format.
 528         (Dwp_output_file::write_index): Likewise.
 529         * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
 530         function prototype.
 531
 532 2013-10-31  Cary Coutant  <ccoutant@google.com>
 533
 534         * configure.ac: Fix check for -fmerge-constants.
 535         * configure.ac: Regenerate.
 536
 537 2013-10-30  Roland McGrath  <mcgrathr@google.com>
 538
 539         * x86_64.cc (Output_data_plt_x86_64_nacl::first_plt_entry):
 540         Correct 9-byte nop sequence to match what the assembler generates.
 541
 542 2013-10-30  Alan Modra  <amodra@gmail.com>
 543
 544         * powerpc.cc (Powerpc_relobj::abiversion, set_abiversion,
 545         ppc64_local_entry_offset, ppc64_local_entry_offset,
 546         do_read_symbols): New functions.
 547         (Powerpc_relobj::e_flags_, st_other_): New vars.
 548         (Powerpc_relobj::Powerpc_relobj): Call set_abiversion.
 549         (Powerpc_dynobj::abiversion, set_abiversion): New functions.
 550         (Powerpc_relobj::e_flags_): New var.
 551         (Target_powerpc::first_plt_entry_offset, plt_entry_size): Inline
 552         and adjust for ELFv2.
 553         (Target_powerpc::abiversion, set_abiversion, stk_toc): New functions.
 554         (Powerpc_relobj::do_find_special_sections): Check no .opd in ELFv2.
 555         (Powerpc_dynobj::do_find_special_sections): Likewise.
 556         (Target_powerpc::do_define_standard_symbols): Define ".TOC.".
 557         (Target_powerpc::Branch_info::make_stub): Adjust stub destination
 558         to ELFv2 local entry.
 559         (Target_powerpc::do_relax): No thread safe barriers needed for
 560         ELFv2.
 561         (Output_data_plt_powerpc::initial_plt_entry_size_,
 562         plt_entry_size): Delete.  Replace all uses with
 563         first_plt_entry_offset() and plt_entry_size().
 564         (Output_data_plt_powerpc::Output_data_plt_powerpc): Remove
 565         reserved_size parm.  Update callers.
 566         (Output_data_plt_powerpc::entry_count): Update.
 567         (Output_data_plt_powerpc::first_plt_entry_offset): Make private
 568         and use Target_powerpc::first_plt_entry_offset().
 569         (Output_data_plt_powerpc::get_plt_entry_size): Similarly and
 570         rename to plt_entry_size.
 571         (Output_data_plt_powerpc::add_ifunc_entry,
 572         add_local_ifunc_entry): Adjust reloc for ELFv2.
 573         (glink_eh_frame_fde_64): Rename to glink_eh_frame_fde_64v1.
 574         (glink_eh_frame_fde_64v2): New.
 575         (Stub_table::plt_call_size): Support ELFv2 sizing.
 576         (Output_data_glink::add_eh_frame): Use the new FDE.
 577         (Output_data_glink::set_final_data_size): Adjust for ELFv2 glink.
 578         (Stub_table::do_write): Write ELFv2 stubs and glink.
 579         (Target_powerpc::Relocate::relocate): Replaces nop after call
 580         with ld 2,24(1) and adjust local offset destination for ELFv2.
 581
 582 2013-10-30  Alan Modra  <amodra@gmail.com>
 583
 584         * powerpc.cc (Target_powerpc::Scan::check_non_pic): Handle new relocs.
 585         (Target_powerpc::Scan::global, local): Likewise.
 586         (Target_powerpc::Relocate::relocate): Likewise.  Check for overflow
 587         on all ppc64 @h and @ha relocs.
 588
 589 2013-10-14  Alan Modra  <amodra@gmail.com>
 590
 591         * output.h (Output_data_got::add_constant): Tidy.
 592         (Output_data_got::add_constant_pair): New function.
 593         * powerpc.cc (Output_data_got_powerpc): Override all Output_data_got
 594         methods used so as to first call reserve_ent().
 595
 596 2013-10-11  Roland McGrath  <mcgrathr@google.com>
 597
 598         * powerpc.cc (Output_data_got_powerpc): Remove unused methods
 599         add_got_entry and add_got_entry_pair.
 600
 601         * configure.ac (TLS_GNU2_DIALECT): Use -Werror in test.
 602         (HAVE_PUBNAMES): Likewise.
 603         * configure: Regenerate.
 604
 605         * testsuite/Makefile.am: Replace '-T foo' with '-Wl,-T,foo' throughout.
 606         * testsuite/Makefile.in: Regenerate.
 607
 608         * target.h (Target::adjust_elf_header, Target::do_adjust_elf_header):
 609         Remove const from declaration.
 610         * target.cc (Sized_target::do_adjust_elf_header): Update definition.
 611         * sparc.cc (Target_sparc::do_adjust_elf_header): Likewise.
 612         * output.h (Output_file_header): Remove const from member target_
 613         and corresponding constructor argument.
 614         * output.cc (Output_file_header::Output_file_header): Update prototype.
 615         (Output_file_header::do_sized_write): Use this->target_ in place
 616         of parameters()->target().
 617
 618         * testsuite/undef_symbol.cc (Foo::get_a): New method.
 619
 620         * configure.ac (MERGE_CONSTANTS_FLAG): New check.
 621         * configure: Regenerate.
 622         * Makefile.in: Regenerate.
 623         * testsuite/merge_string_literals_1.c: Renamed to have .cc suffix.
 624         * testsuite/merge_string_literals_2.c: Likewise.
 625         * testsuite/Makefile.am
 626         (merge_string_literals_1.o, merge_string_literals_2.o): Update deps.
 627         (AM_CFLAGS, AM_CXXFLAGS): Use $(MERGE_CONSTANTS_FLAG) in place of
 628         literal -fmerge-constants.
 629         * testsuite/Makefile.in: Regenerate.
 630
 631         * i386.cc (Target_i386): Remove unused member dynbss_.
 632         * arm.cc (Target_arm): Likewise.
 633         * powerpc.cc (Target_powerpc): Likewise.
 634         * sparc.cc (Target_sparc): Likewise.
 635         * tilegx.cc (Target_tilegx): Likewise.
 636         * x86_64.cc (Target_x86_64): Likewise.
 637         * dwarf_reader.h (Dwarf_info_reader): Remove unused members
 638         type_signature_, type_offset_.
 639         * plugin.h (Plugin_hook): Remove unused member layout_.
 640         * readsyms.h (Add_symbols): Remove unused members dirpath_, dirindex_,
 641         mapfile_.
 642         (Read_member): Remove unused members input_objects_, symtab_,
 643         mapfile_, layout_.
 644         (Check_library): Remove unused member symtab_.
 645         * archive.h (Lib_group): Remove unused member lib_.
 646         * archive.cc (Lib_group::Lib_group): Update initializer.
 647         * incremental.h (Incremental_binary): Remove unused member target_.
 648         (Incremental_script_entry): Removed unused member script_.
 649         * layout.h (Write_symbols_task): Remove unused member input_objects_.
 650         * icf.h (Icf): Remove unused member num_tracked_relocs.
 651
 652         * gold-threads.h (Once): Conditionalize member was_run_lock_ on
 653         [ENABLE_THREADS && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4], matching
 654         its only use.
 655         * gold-threads.cc (Once::Once): Likewise conditionalize initializer.
 656
 657         * archive.h: Use struct rather than class for forward declaration
 658         of Read_symbols_data.
 659
 660 2013-10-07  Cary Coutant  <ccoutant@google.com>
 661
 662         PR gold/16010
 663         * testsuite/Makefile.am (icf_test): Fix dependencies.
 664         (icf_safe_test): Likewise.
 665         (icf_safe_so_test): Likewise.
 666         (large_symbol_alignment): Add empty _LDADD rule.
 667         * testsuite/Makefile.in: Regenerate.
 668
 669 2013-09-03  Pavel Chupin  <pavel.v.chupin@intel.com>
 670
 671         PR gold/15927
 672         * x86_64.cc (Target_x86_64<size>::Scan::global): Use relative
 673         relocation for R_X86_64_32 on x32.
 674
 675 2013-08-27  Roland McGrath  <mcgrathr@google.com>
 676
 677         * output.cc (Output_segment::set_section_addresses): Take new
 678         Target* argument.  If target->isolate_execinstr() and the segment
 679         is executable and starts at a target->abi_pagesize() boundary,
 680         pad its end out to a target->abi_pagesize() boundary with code fill.
 681         * output.h (Output_segment::set_section_addresses): Update decl.
 682         * layout.h (Layout::check_output_data_for_reset_values): Take new
 683         argument RELAX_OUTPUTS.
 684         (Layout): New member relax_output_list_.
 685         (Layout::add_relax_output): New method.
 686         * layout.cc (Layout::Layout): Update constructor.
 687         (Layout::reset_relax_output): New method.
 688         (Layout::clean_up_after_relaxation): Call it.
 689         (Layout::prepare_for_relaxation): Update caller.
 690         (Layout::set_segment_offsets): Update callers of set_section_addresses.
 691         Call reset_relax_output before re-processing segments for
 692         isolate_execinstr case.
 693         (Layout::write_data): Handle relax_output_list_.
 694         (Layout::Relaxation_debug_check::check_output_data_for_reset_values):
 695         Take new argument RELAX_OUTPUTS.  Assert it's an empty collection.
 696
 697 2013-08-23  Yuri Chornoivan  <yurchor@ukr.net>
 698
 699         PR binutils/15834
 700         * object.h: Fix typos.
 701
 702 2013-08-16  Roland McGrath  <mcgrathr@google.com>
 703
 704         * i386.cc (Target_i386_nacl::do_code_fill): New virtual function.
 705         * x86_64.cc (Target_x86_64_nacl::do_code_fill): New virtual function.
 706
 707 2013-08-07  Cary Coutant  <ccoutant@google.com>
 708
 709         Revert support for v2 DWP files:
 710
 711         2013-03-01  Cary Coutant  <ccoutant@google.com>
 712
 713             Add dwp support for v2 DWARF package file format.
 714             * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
 715             tu_length parameter.  Adjust all callers.
 716             * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
 717             * dwp.cc: Include dwarf.h.
 718             (Section_bounds): New struct type.
 719             (Unit_set): New struct type.
 720             (Dwo_file::Dwo_file): Initialize new data member.
 721             (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
 722             Combine and rename to...
 723             (Dwo_file::read_unit_index): ...this.
 724             (Dwo_file::sized_read_compunit_index)
 725             (Dwo_file::sized_read_typeunit_index): Combine and rename to...
 726             (Dwo_file::sized_read_unit_index): ...this.
 727             (Dwo_file::copy_section): Remove section_name, is_str_offsets
 728             parameters; add section_id parameter.
 729             (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
 730             (Dwo_file::add_unit_set): ...this.
 731             (Dwo_file::shndx_map_): Remove.
 732             (Dwo_file::sect_offsets_): New data member.
 733             (Dwp_output_file::Dwp_output_file): Initialize new data members.
 734             (Dwp_output_file::add_section): Rename to...
 735             (Dwp_output_file::add_contribution): ...this.
 736             (Dwp_output_file::add_cu_set): Combine parameters into a struct.
 737             (Dwp_output_file::add_tu_set): Likewise.
 738             (Dwp_output_file::Contribution): New type.
 739             (Dwp_output_file::Section::contributions): New data member.
 740             (Dwp_output_file::Cu_or_tu_set): Remove.
 741             (Dwp_output_file::Section::Section): New ctor.
 742             (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
 743             (Dwp_output_file::Dwp_index::Section_table): New type.
 744             (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
 745             (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
 746             parameter.
 747             (Dwp_output_file::Dwp_index::shndx_pool): Remove.
 748             (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
 749             (Dwp_output_file::Dwp_index::section_table): New member function.
 750             (Dwp_output_file::Dwp_index::section_table_end): New member function.
 751             (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
 752             (Dwp_output_file::Dwp_index::section_table_rows): New member function.
 753             (Dwp_output_file::Dwp_index::section_table_cols): New member function.
 754             (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
 755             (Dwp_output_file::Dwp_index::section_table_): New data member.
 756             (Dwp_output_file::Dwp_index::section_mask_): New data member.
 757             (Dwp_output_file::add_output_section): New member function.
 758             (Dwp_output_file::write_new_section): New member function.
 759             (Dwp_output_file::write_contributions): New member function.
 760             (Dwp_output_file::section_id_map_): New data member.
 761             (class Dwo_id_info_reader): Remove.
 762             (class Unit_reader): New class.
 763             (get_dwarf_section_name): New function.
 764             (Dwo_file::read_executable): Adjust initializations of class data.
 765             (Dwo_file::read): Add support for v2 package file format.
 766             (Dwo_file::read_unit_index): Likewise.
 767             (Dwo_file::sized_read_unit_index): Likewise.
 768             (Dwo_file::copy_section): Likewise.
 769             (Dwo_file::add_unit_set): Likewise.
 770             (Dwp_output_file::add_output_section): Likewise.
 771             (Dwp_output_file::add_contribution): Likewise.
 772             (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
 773             for empty slot.
 774             (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
 775             file format.
 776             (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
 777             slot.
 778             (Dwp_output_file::initialize): Remove unused function.
 779             (Dwp_output_file::finalize): Add support for v2 package file format.
 780             (Dwp_output_file::write_index): Likewise.
 781             * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
 782             function prototype.
 783
 784 2013-07-31  Cary Coutant  <ccoutant@google.com>
 785
 786         * object.cc (Sized_relobj::do_output_section_address): New function.
 787         (Sized_relobj): Instantiate explicitly.
 788         * object.h (Object::output_section_address): New function.
 789         (Object::do_output_section_address): New function.
 790         (Sized_relobj::do_output_section_address): New function.
 791         * powerpc.cc (Target_powerpc::symval_for_branch): Use it.
 792
 793 2013-07-30  Cary Coutant  <ccoutant@google.com>
 794             Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 795
 796         * parameters.cc (Parameters::entry): Return target-specific entry
 797         symbol name.
 798         * target.h (Target::entry_symbol_name): New function.
 799         (Target_info::entry_symbol_name): New data member.
 800
 801         * arm.cc (Target_arm::arm_info): Add entry_symbol_name.
 802         * i386.cc (Target_i386::i386_info): Likewise.
 803         (Target_i386_nacl::i386_nacl_info): Likewise.
 804         * sparc.cc (Target_sparc::sparc_info): Likewise.
 805         * tilegx.cc (Target_tilegx::tilegx_info): Likewise.
 806         * x86_64.cc: (Target_x86_64::x86_64_info) Likewise.
 807         (Target_x86_64_nacl::x86_64_nacl_info) Likewise.
 808         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
 809
 810 2013-07-22  Sterling Augustine  <saugustine@google.com>
 811
 812         * dwarf_reader.cc (Dwarf_pubnames_table::read_section):
 813         Convert parameter shndx to local variable. Add parameters symtab
 814         and symtab_size.  Scan over section names.  Find relocation
 815         section corresponding to current section.  Create and initialize
 816         reloc_mapper_ and reloc_type_.
 817         (Dwarf_pubnames_table::read_header):  Add assertion.  Change
 818         unit_length to off_t.  Initialize member unit_length_.  Fill in field
 819         cu_offset_.
 820         * dwarf_reader.h (Dwarf_pubnames_table::Dwarf_pubnames_table):
 821         Initialize new fields unit_length_ and cu_offset_.
 822         (Dwarf_pubnames_table::read_section): Update prototype.
 823         (Dwarf_pubnames_table::cu_offset): New member function.
 824         (Dwarf_pubnames_table::subsection_size): Likewise.
 825         (Dwarf_pubnames_table::cu_offset_, Dwarf_pubnames_table::unit_length):
 826         New fields.
 827         (Dwarf_info_reader::symtab, Dwarf_info_reader::symtab_size): Make
 828         member functions public.
 829         * gdb_index.cc (Gdb_index_info_reader::read_pubnames_and_pubtypes):
 830         Update comment.  Rework logic.  Move repeated parts to...
 831         (Gdb_index_info_reader::read_pubtable): ...here. New function.
 832         (Gdb_index::Gdb_index): Initialize new fields, pubnames_table_,
 833         pubtypes_table_, and stmt_list_offset.
 834         (Gdb_index::map_pubtable_to_dies, Gdb_index::find_pubname_offset,
 835         Gdb_index::find_pubtype_offset,
 836         Gdb_index::map_pubnames_and_types_to_dies): Define new functions.
 837         (Gdb_index::pubnames_read): Update prototype and rework logic.
 838         * gdb_index.h (Gdb_index_info_reader, Dwarf_pubnames_table):
 839         Forward declare.
 840         (Gdb_index::map_pubtable_to_dies, Gdb_index::find_pubname_offset,
 841         Gdb_index::find_pubtype_offset, Gdb_index::pubnames_table)
 842         Gdb_index::pubtypes_table, Gdb_index::map_pubnames_and_types_to_dies,
 843         Gdb_index::map_pubtable_to_dies):
 844         Declare functions.
 845         (Gdb_index::pubnames_read): Update declaration.
 846         (Gdb_index::Pubname_offset_map): New type.
 847         (Gdb_index::cu_pubname_map_, Gdb_index::cu_pubtype_map_,
 848         Gdb_index::pubnames_table_, Gdb_index::pubtypes_table_,
 849         Gdb_index::stmt_list_offset): Declare.
 850         (Gdb_index::pubnames_shndx_, Gdb_index::pubnames_offet_,
 851         Gdb_index::pubtypes_object_, Gdb_index::pubtypes_shndx_)
 852         Gdb_index::pubtypes_offset_): Remove.
 853
 854 2013-07-19  Roland McGrath  <mcgrathr@google.com>
 855
 856         * options.h (General_options): Add -Trodata-segment option.
 857         * parameters.cc (Parameters::check_rodata_segment): New function.
 858         (Parameters::set_target_once): Call it.
 859         * parameters.h (Parameters): Declare it (private member function).
 860         * layout.cc (load_seg_unusable_for_headers): New function, broken
 861         out of Layout::relaxation_loop_body.  If TARGET->isolate_execinstr()
 862         then validate rodata segment rather than text segment.
 863         (relaxation_loop_body): Call that.
 864         (is_text_segment): New function.  Don't admit a non-executable
 865         segment if TARGET->isolate_execinstr().
 866         (set_segment_offsets): Call it.  Honor -Trodata-segment option.
 867
 868 2013-07-15  Shawn Landden  <shawnlandden@gmail.com>
 869
 870         PR gold/15070
 871         * fileread.h (File_read::get_view): Clarify comment about ALIGNED.
 872         * nacl.h (Sniff_file::View::View): Request aligned view.
 873
 874 2013-07-11  Cary Coutant  <ccoutant@google.com>
 875
 876         * powerpc.cc (Target_powerpc::write_branch_lookup_table): Use
 877         correct BRLT entry size.
 878
 879 2013-07-03  Alan Modra  <amodra@gmail.com>
 880
 881         * powerpc.cc (Target_powerpc::Relocate::relocate): Update self-call
 882         comment.
 883
 884 2013-07-01  Cary Coutant  <ccoutant@google.com>
 885
 886         * dwarf_reader.cc (Dwarf_ranges_table::read_ranges_table): Save
 887         reloc_type_.
 888         (Dwarf_ranges_table::read_range_list): Call lookup_reloc.
 889         (Dwarf_ranges_table::lookup_reloc): New function.
 890         * dwarf_reader.h (Dwarf_ranges_table::Dwarf_ranges_table): Initialize
 891         reloc_type_.
 892         (Dwarf_ranges_table::lookup_reloc): New function.
 893         (Dwarf_ranges_table::reloc_type_): New data member.
 894
 895 2013-06-27  Jing Yu  <jingyu@google.com>
 896
 897         PR gold/15662
 898         * powerpc.cc (Output_data_brlt_powerpc::reset_brlt_sizes): New
 899         function.
 900         (Output_data_brlt_powerpc::finalize_brlt_sizes): New function.
 901         (Target_powerpc::do_relax): Call the above.
 902
 903 2013-06-27  Cary Coutant  <ccoutant@google.com>
 904
 905         * powerpc.cc (Target_powerpc::symval_for_branch): Don't assert
 906         on garbage collected .opd section.
 907
 908 2013-06-27  Alan Modra  <amodra@gmail.com>
 909
 910         * powerpc.cc (Target_powerpc::do_gc_add_reference): Test dst_shndx
 911         is non-zero.
 912         (Target_powerpc::do_gc_mark_symbols): Likewise for sym->shndx().
 913         (Target_powerpc::do_function_location): Likewise for loc->shndx.
 914
 915 2013-06-14  Cary Coutant  <ccoutant@google.com>
 916
 917         * resolve.cc (Symbol::override_base): Don't override st_type
 918         from plugin placeholder symbols.
 919         (Symbol_table::resolve): Likewise.
 920         (Symbol_table::should_override): Don't complain about TLS mismatch
 921         if the TO symbol is a plugin placeholder.
 922         * testsuite/Makefile.am (plugin_test_tls): New test.
 923         * testsuite/Makefile.in: Regenerate.
 924         * testsuite/plugin_test_tls.sh: New test script.
 925         * testsuite/two_file_test_2_tls.cc: New test source.
 926         * testsuite/two_file_test_tls.cc: New test source.
 927
 928 2013-06-05  Alexander Ivchenko  <alexander.ivchenko@intel.com>
 929
 930         * layout.cc (Layout::set_segment_offsets): Taking care of the case when
 931         the maximum segment alignment is larger than the page size.
 932         * testsuite/Makefile.am (large_symbol_alignment): Test that Gold
 933         correctly aligns the symbols with large alignemnt.
 934         * testsuite/Makefile.in: Regenerate.
 935         * testsuite/large_symbol_alignment.cc: New file.
 936
 937 2013-05-30  Alexander Ivchenko  <alexander.ivchenko@intel.com>
 938             Sriraman Tallam  <tmsriram@google.com>
 939
 940         * options.h (sort_section): New option.
 941         * output.h (Input_section_sort_section_prefix_special_ordering_compare):
 942         Rename from Input_section_sort_section_name_special_ordering_compare.
 943         (Input_section_sort_section_name_compare): New struct.
 944         * output.cc (Output_section::Input_section_sort_section_name_compare::
 945         operator()): New function.
 946         (Output_section::sort_attached_input_sections): Use new sort function
 947         for .text if --sort-section=name is specified.
 948         * layout.cc (Layout::make_output_section):
 949         Add sorting by name when --sort-section=name is specified.
 950         * testsuite/Makefile.am (text_section_grouping): Test option
 951         --sort-section=name.
 952         * testsuite/Makefile.in: Regenerate.
 953         * testsuite/section_sorting_name.cc: New file.
 954         * testsuite/section_sorting_name.sh: New file.
 955
 956 2013-05-21  Cary Coutant  <ccoutant@google.com>
 957
 958         * symtab.h (Symbol::is_cxx_vtable): New function.
 959         * target-reloc.h (relocate_section): Check for vtable symbol.
 960         * testsuite/Makefile.am (missing_key_func.sh): New test case.
 961         * testsuite/Makefile.in: Regenerate.
 962         * testsuite/missing_key_func.cc: New test source.
 963         * testsuite/missing_key_func.sh: New test script.
 964
 965 2013-05-21  Cary Coutant  <ccoutant@google.com>
 966
 967         * object.cc (Sized_relobj_file::get_symbol_location_info): Set
 968         type of enclosing symbol.
 969         (Relocate_info::location): Check symbol type when describing symbol.
 970         * object.h (Symbol_location_info): Remove unused line_number;
 971         add enclosing_symbol_type.
 972         * testsuite/debug_msg.sh: Adjust expected output.
 973
 974 2013-05-13  Cary Coutant  <ccoutant@google.com>
 975
 976         * configure.ac: Export DEFAULT_TARGET.
 977         * configure: Regenerate.
 978         * Makefile.in: Regenerate.
 979         * testsuite/Makefile.am: Add .EXPORT_ALL_VARIABLES.
 980         * testsuite/Makefile.in: Regenerate.
 981         * testsuite/debug_msg.sh: Delete duplicate tests.
 982         Don't check undef_int error message match for powerpc where the
 983         source file and line number aren't available.
 984
 985 2013-05-10  Roland McGrath  <mcgrathr@google.com>
 986
 987         * options.h (General_options): Add --rosegment-gap option.
 988         * options.cc (finalize): --rosegment-gap implies --rosegment.
 989         * layout.cc (set_segment_offsets): Let user option override
 990         target->rosegment_gap().
 991
 992 2013-05-10  Roland McGrath  <mcgrathr@google.com>
 993
 994         * options.h (General_options): Remove leading space from help
 995         messages for -nostdlib and --rosegment.
 996
 997 2013-05-03  Maciej W. Rozycki  <macro@codesourcery.com>
 998
 999         PR ld/15365
1000         * layout.cc (Layout::finalize): Make __ehdr_start STV_HIDDEN.
1001
1002 2013-05-03  Alan Modra  <amodra@gmail.com>
1003
1004         * merge.cc (Output_merge_string::do_add_input_section): Correct
1005         scan for number of strings.  Rename vars to avoid shadowing.
1006         Include missing terminator in input_size_.
1007
1008 2013-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1009
1010         * merge.cc (Output_merge_string<Char_type>::do_add_input_section):
1011         Restore empty string handling.
1012
1013 2013-05-01  Cary Coutant  <ccoutant@google.com>
1014
1015         * stringpool.cc (Stringpool_template::new_key_offset): Fix
1016         uninitialized warning.
1017
1018 2013-04-29  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1019
1020         * output.cc (Output_section::add_merge_input_section): Allow
1021         to merge sections if the alignment is more than character size.
1022         * merge.h (Output_merge_string::Output_merge_string): Remove
1023         assert.
1024         * merge.cc (Output_merge_string<Char_type>::do_add_input_section): Count
1025         only not-null strings. Check the alignment of strings.
1026         * stringpool.h
1027         (Stringpool_template<Stringpool_char>::Stringpool_template): Add
1028         alignment as the argument.
1029         (Stringpool_template<Stringpool_char>::addralign_): New class member.
1030         * stringpool.cc (Stringpool_template<Stringpool_char>::new_key_offset):
1031         Align non-zero length strings according to the addralign_.
1032         (Stringpool_template<Stringpool_char>::set_string_offsets):
1033         Updating offsets according to the given alignment.
1034         * testsuite/Makefile.am (text_section_grouping): Test if string
1035         literals are getting merged.
1036         * testsuite/Makefile.in: Regenerate.
1037         * testsuite/merge_string_literals_1.c: New file.
1038         * testsuite/merge_string_literals_2.c: Ditto.
1039         * testsuite/merge_string_literals.sh: Ditto.
1040
1041 2013-04-26  Ian Lance Taylor  <iant@google.com>
1042
1043         * target-reloc.h (relocate_section): If the reloc offset is out of
1044         range, pass VIEW as NULL to relocate.relocate.
1045         * arm.cc (Target_arm:Relocate::relocate): Check for a NULL view.
1046         * i386.cc (Target_i386::Relocate::relocate): Likewise.
1047         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
1048         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
1049         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
1050         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1051
1052 2013-04-26  Geoff Pike  <gpike@chromium.org>
1053
1054         * gold.cc (queue_final_tasks): invoke layout->queue_build_id_tasks().
1055         * layout.cc (Hash_task): New class.
1056         (Layout::queue_build_id_tasks): New function.
1057         (Layout::write_build_id): Handle single-thread portion of build ID
1058         computation.  (In some cases, all of it is single-threaded.)  Replace
1059         {sha1,md5}_process_bytes with {sha1,md5}_buffer to get the same
1060         functionality in fewer lines of code.
1061         * layout.h (Layout::queue_build_id_tasks): New function declaration.
1062         * options.h (General_options): make "--build-id" default to tree
1063         rather than sha1.  Add two new options related to --build-id=tree:
1064         --build-id-chunk-size-for-treehash and
1065         --build-id-min-file-size-for-treehash.
1066         * Makefile.am: add testing of --build-id=tree and related new options
1067         (these tests will be invoked by "make check").
1068         * Makefile.in: Regenerate.
1069
1070 2013-04-25  Alan Modra  <amodra@gmail.com>
1071
1072         * configure.tgt: Add powerpcle and powerpc64le.
1073
1074 2013-04-22  Alan Modra  <amodra@gmail.com>
1075
1076         PR gold/15355
1077         * layout.cc (Layout::segment_precedes): Allow more than one
1078         segment with the same type and flags.
1079
1080 2013-04-15  Cary Coutant  <ccoutant@google.com>
1081
1082         * layout.cc (Layout::set_relocatable_section_offsets): Don't
1083         allocate space in file for BSS sections.
1084
1085 2013-04-15  Cary Coutant  <ccoutant@google.com>
1086
1087         * script-sections.cc (Orphan_output_section): Reset address
1088         to zero after each orphaned section for relocatable links.
1089
1090 2013-04-15  Cary Coutant  <ccoutant@google.com>
1091
1092         * symtab.cc (Symbol_table::sized_write_globals): Subtract
1093         section starting address for relocatable link.
1094         * testsuite/Makefile.am (script_test_11): New test.
1095         * testsuite/Makefile.in: Regenerate.
1096         * testsuite/script_test_11.c: New source file.
1097         * testsuite/script_test_11.t: New linker script.
1098
1099 2013-04-13  Alan Modra  <amodra@gmail.com>
1100
1101         * powerpc.cc (Stub_control::can_add_to_stub_group): Don't set
1102         owner when sections are not adjacent and exceed group size.
1103         (Target_powerpc::group_sections): Handle corner case.
1104         (Target_powerpc::Branch_info::make_stub): Handle case where
1105         stub table doesn't exist due to branches in non-exec sections.
1106         (Target_powerpc::Relocate::relocate): Likewise.
1107
1108 2013-04-11  Alan Modra  <amodra@gmail.com>
1109
1110         PR gold/15354
1111         * powerpc.cc (Target_powerpc::make_brlt_section): Name section
1112         .branch_lt to match bfd ld.  Adjust comments throughout file.
1113
1114 2013-04-04  Ian Lance Taylor  <iant@google.com>
1115
1116         GCC PR c++/56840
1117         * object.cc (do_layout_deferred_sections): Handle .eh_frame
1118         sections before checking whether they are included in the link.
1119
1120 2013-03-29  Sriraman Tallam  <tmsriram@google.com>
1121
1122         * archive.cc (Archive::get_elf_object_for_member):  Create the elf
1123         object before calling the plugin claim_file handler.  Pass the elf
1124         object of the archive to the plugin. Delete the elf object if the
1125         plugin claims the file.
1126
1127 2013-03-21  Alan Modra  <amodra@gmail.com>
1128
1129         * layout.cc (Layout::set_segment_offsets): Accept writable .text
1130         segment when omagic.
1131
1132 2013-03-21  Alan Modra  <amodra@gmail.com>
1133
1134         * dwp.cc (Dwp_output_file::add_contribution): Avoid signed/unsigned
1135         comparison warning.
1136         * layout.cc (Layout::create_dynamic_symtab): Avoid "may be used
1137         uninitialized" warning.
1138
1139 2013-03-20  Alan Modra  <amodra@gmail.com>
1140
1141         * symtab.h (Symbol::clear_version): New function.
1142         * symtab.cc (Symbol_table::set_dynsym_indexes): Don't set object
1143         is_needed by weak references.  Clear version for symbols defined
1144         in as-needed objects that are not needed.
1145
1146 2013-03-15  Alan Modra  <amodra@gmail.com>
1147
1148         * powerpc.cc (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Make
1149         static and public.  Add report_err param.  Return false for data refs.
1150         (Target_powerpc::rela_dyn_section): New overloaded function.
1151         (Target_powerpc::plt_, iplt_): Elucidate.
1152         (Output_data_plt_powerpc::entry_count): Handle current_data_size()==0.
1153         (Output_data_plt_powerpc::do_write): Don't write .iplt.
1154         (Output_data_plt_powerpc::plt_entry_count): Don't add .iplt entries.
1155         (Target_powerpc::Scan::local, global): Adjust reloc_needs_plt_for_ifunc
1156         calls.  Put ifunc dynamic relocs in irela_dyn_section.  Only
1157         push_branch and make_plt_entry for ifunc syms when
1158         reloc_needs_plt_for_ifunc.
1159         (Target_powerpc::Relocate::relocate): Don't use plt entry value
1160         for ifunc unless reloc_needs_plt_for_ifunc.
1161
1162 2013-03-15  Alan Modra  <amodra@gmail.com>
1163
1164         * gc.h (gc_process_relocs): Don't look through function descriptors.
1165         * icf.cc (get_section_contents): Do so here instead.
1166
1167 2013-03-13  Alan Modra  <amodra@gmail.com>
1168
1169         * powerpc.cc (is_branch_reloc): Forward declare.
1170         (Target_powerpc::do_can_check_for_function_pointers): New predicate.
1171         (Target_powerpc::Scan::local_reloc_may_be_function_pointer): Return
1172         false for 64-bit, true for 32-bit non-branch relocs.
1173         (Target_powerpc::Scan::global_reloc_may_be_function_pointer): Likewise.
1174         * testsuite/Makefile.am (icf_test): Use linker map file instead of
1175         nm output.
1176         (icf_safe_test): Generate linker map file as well as nm output.
1177         (icf_safe_so_test): Likewise.
1178         * testsuite/Makefile.in: Regenerate.
1179         * testsuite/icf_test.sh: Parse linker map file to determine
1180         section folding.
1181         * testsuite/icf_safe_test.sh: Likewise.  Expect folding for PowerPC.
1182         * testsuite/icf_safe_so_test.sh: Likewise.
1183         (X86_32_or_ARM_specific_safe_fold): Merge into..
1184         (arch_specific_safe_fold): ..this.
1185         (X86_64_specific_safe_fold): Delete unused function.
1186
1187 2013-03-12  Alan Modra  <amodra@gmail.com>
1188
1189         * gc.h (gc_process_relocs): Look through function descriptors
1190         to determine shndx, symvalue and addend used by ICF.  Tidy
1191         variable duplication.
1192
1193 2013-03-11  Alan Modra  <amodra@gmail.com>
1194
1195         * gold.cc (queue_middle_tasks): Move detect_odr_violations..
1196         * layout.cc (Layout_task_runner::run): ..to here.
1197         * symtab.h (struct Symbol_location): Extract from..
1198         (class Symbol_table): ..here.
1199         * symtab.cc (Symbol_table::linenos_from_loc): Invoke function_location.
1200         * target.h (class Target): Add function_location and
1201         do_function_location functions.
1202         (class Sized_target): Add do_function_location.
1203         * object.h (class Sized_relobj_file): Move find_shdr..
1204         (class Object): ..to here.
1205         * object.cc: Likewise.  Update to suit.  Instantiate.
1206         (Sized_relobj_file::find_eh_frame): Update find_shdr call.
1207         * powerpc.cc (class Powerpc_dynobj): New.
1208         (Target_powerpc::do_function_location): New function.
1209         (Powerpc_relobj::do_find_special_sections): Update find_shdr call.
1210         (Powerpc_dynobj::do_read_symbols): New function.
1211         (Target_powerpc::do_make_elf_object): Make a Powerpc_dynobj.
1212
1213 2013-03-08  Ian Lance Taylor  <iant@google.com>
1214
1215         * options.cc (General_options::string_to_object_format): Accept
1216         "default".
1217
1218 2013-03-08  Alan Modra  <amodra@gmail.com>
1219
1220         * ehframe.h (Post_fdes) Make it a vector of Post_fde rather than
1221         pointer to Post_fde.
1222         (struct Post_fde): Move definition to here..
1223         * ehframe.cc (struct Post_fde): ..from here.
1224         (Cie::write): Don't alloc Post_fde.
1225         (Eh_frame::do_sized_write): Update.  Don't free Post_fde.
1226
1227 2013-03-07  Alan Modra  <amodra@gmail.com>
1228
1229         * testsuite/discard_locals_relocatable_test.c: Add a powerpc
1230         relocation referencing .LC0.
1231         * testsuite/discard_locals_test.sh: Remove FIXMEs.
1232
1233 2013-03-07  Alan Modra  <amodra@gmail.com>
1234
1235         * testsuite/ifunc-sel.h (ifunc_sel, ifunc_one): Mark
1236         always_inline.  Add assembly for powerpc to avoid GOT.
1237
1238 2013-03-07  Alan Modra  <amodra@gmail.com>
1239
1240         * testsuite/script_test_10.sh: Don't test .bss section
1241         header number.
1242
1243 2013-03-06  Alan Modra  <amodra@gmail.com>
1244
1245         * powerpc.cc (class Powerpc_relobj): Move some member functions.
1246         (Target_powerpc::symval_for_branch):  Add symtab param.  Update
1247         all callers.  Handle folded sections.
1248         (Target_powerpc::do_gc_add_reference): Don't cast dynamic object
1249         to Powerpc_relobj.
1250         (Global_symbol_visitor_opd::operator()): Likewise.
1251
1252 2013-03-04  Alan Modra  <amodra@gmail.com>
1253
1254         * testsuite/Makefile.am (final_layout_script.lds): Add .sbss.
1255         * testsuite/Makefile.in: Regenerate.
1256
1257 2013-03-01  Cary Coutant  <ccoutant@google.com>
1258
1259         Add dwp support for v2 DWARF package file format.
1260         * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
1261         tu_length parameter.  Adjust all callers.
1262         * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
1263         * dwp.cc: Include dwarf.h.
1264         (Section_bounds): New struct type.
1265         (Unit_set): New struct type.
1266         (Dwo_file::Dwo_file): Initialize new data member.
1267         (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
1268         Combine and rename to...
1269         (Dwo_file::read_unit_index): ...this.
1270         (Dwo_file::sized_read_compunit_index)
1271         (Dwo_file::sized_read_typeunit_index): Combine and rename to...
1272         (Dwo_file::sized_read_unit_index): ...this.
1273         (Dwo_file::copy_section): Remove section_name, is_str_offsets
1274         parameters; add section_id parameter.
1275         (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
1276         (Dwo_file::add_unit_set): ...this.
1277         (Dwo_file::shndx_map_): Remove.
1278         (Dwo_file::sect_offsets_): New data member.
1279         (Dwp_output_file::Dwp_output_file): Initialize new data members.
1280         (Dwp_output_file::add_section): Rename to...
1281         (Dwp_output_file::add_contribution): ...this.
1282         (Dwp_output_file::add_cu_set): Combine parameters into a struct.
1283         (Dwp_output_file::add_tu_set): Likewise.
1284         (Dwp_output_file::Contribution): New type.
1285         (Dwp_output_file::Section::contributions): New data member.
1286         (Dwp_output_file::Cu_or_tu_set): Remove.
1287         (Dwp_output_file::Section::Section): New ctor.
1288         (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
1289         (Dwp_output_file::Dwp_index::Section_table): New type.
1290         (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
1291         (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
1292         parameter.
1293         (Dwp_output_file::Dwp_index::shndx_pool): Remove.
1294         (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
1295         (Dwp_output_file::Dwp_index::section_table): New member function.
1296         (Dwp_output_file::Dwp_index::section_table_end): New member function.
1297         (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
1298         (Dwp_output_file::Dwp_index::section_table_rows): New member function.
1299         (Dwp_output_file::Dwp_index::section_table_cols): New member function.
1300         (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
1301         (Dwp_output_file::Dwp_index::section_table_): New data member.
1302         (Dwp_output_file::Dwp_index::section_mask_): New data member.
1303         (Dwp_output_file::add_output_section): New member function.
1304         (Dwp_output_file::write_new_section): New member function.
1305         (Dwp_output_file::write_contributions): New member function.
1306         (Dwp_output_file::section_id_map_): New data member.
1307         (class Dwo_id_info_reader): Remove.
1308         (class Unit_reader): New class.
1309         (get_dwarf_section_name): New function.
1310         (Dwo_file::read_executable): Adjust initializations of class data.
1311         (Dwo_file::read): Add support for v2 package file format.
1312         (Dwo_file::read_unit_index): Likewise.
1313         (Dwo_file::sized_read_unit_index): Likewise.
1314         (Dwo_file::copy_section): Likewise.
1315         (Dwo_file::add_unit_set): Likewise.
1316         (Dwp_output_file::add_output_section): Likewise.
1317         (Dwp_output_file::add_contribution): Likewise.
1318         (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
1319         for empty slot.
1320         (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
1321         file format.
1322         (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
1323         slot.
1324         (Dwp_output_file::initialize): Remove unused function.
1325         (Dwp_output_file::finalize): Add support for v2 package file format.
1326         (Dwp_output_file::write_index): Likewise.
1327         * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
1328         function prototype.
1329
1330 2013-03-01  Cary Coutant  <ccoutant@google.com>
1331
1332         * dwarf_reader.cc (Dwarf_info_reader::check_buffer): Move
1333         function into class definition in header file.
1334         (Dwarf_info_reader::warn_corrupt_debug_section): New function.
1335         * dwarf_reader.h (Dwarf_info_reader::warn_corrupt_debug_section):
1336         New function.
1337         (Dwarf_info_reader::check_buffer): Move here from .cc file.
1338
1339 2013-02-28  Alan Modra  <amodra@gmail.com>
1340
1341         * target.h (Target::plt_fde_location, do_plt_fde_location): Declare.
1342         * target.cc (Target::do_plt_fde_location): New function.
1343         * ehframe.h (class FDE): Add post_map field to u_.from_linker,
1344         accessor function, and constructor param.
1345         (struct Post_fde, Post_fdes): Declare.
1346         (Cie::write): Add post_fdes param.
1347         * ehframe.cc (Fde::write): Use plt_fde_location.
1348         (struct Post_fde): Define.
1349         (Cie::write): Stash FDEs added post merge mapping.
1350         (Eh_frame::add_ehframe_for_plt): Assert no new CIEs after mapping.
1351         Adjust Fde constructor call.  Bump final_data_size_ for post map FDEs.
1352         (Eh_frame::do_sized_write): Arrange to write post map FDES after
1353         other FDEs.
1354         * powerpc.cc (Target_powerpc::do_plt_fde_location): New function.
1355         (Target_powerpc::has_glink): New function.
1356         (Target_powerpc::do_relax): Add eh_frame info for stubs.
1357         (struct Eh_cie, eh_frame_cie, glink_eh_frame_fde_64,
1358         glink_eh_frame_fde_32, default_fde): New data.
1359         (Stub_table::eh_frame_added_): New var.
1360         (Stub_table::find_long_branch_entry, stub_address, stub_offset):
1361         Make const.
1362         (Stub_table::add_eh_frame): New function.
1363         (Output_data_glink::add_eh_frame): New function.
1364         (Target_powerpc::make_glink_section): Call add_eh_frame.
1365
1366 2013-02-15  Ian Lance Taylor  <iant@google.com>
1367
1368         * options.h (DEFINE_uint64_alias): Define.
1369         (class General_options): Add -Ttext-segment as an alias for
1370         -Ttext.
1371
1372 2013-02-15  Alan Modra  <amodra@gmail.com>
1373
1374         * powerpc.cc (Stub_table::plt_off): New function, extracted from..
1375         (Stub_table::do_write): ..here, two places.
1376         (Stub_table::plt_call_size): Use it here too.
1377
1378 2013-02-11  Ian Lance Taylor  <iant@google.com>
1379
1380         * descriptors.cc (Descriptors::close_all): New function.
1381         * descriptors.h (class Descriptors): Declare close_all.
1382         (close_all_descriptors): New inline function.
1383         * plugin.cc: Include "descriptors.h".
1384         (Plugin_manager::cleanup): Call close_all_descriptors.
1385
1386 2013-02-06  Alan Modra  <amodra@gmail.com>
1387
1388         * README: Update coding style link.
1389
1390 2013-01-28  Cary Coutant  <ccoutant@google.com>
1391
1392         * dwp.cc (File_list): New typedef.
1393         (Dwo_name_info_reader): New class.
1394         (Dwo_id_info_reader::Dwo_id_info_reader): Remove unused parameters.
1395         (Dwo_id_info_reader::visit_top_die): Remove unused member function.
1396         (Dwo_file::~Dwo_file): Delete input_file_ after obj_.
1397         (Dwo_file::read_executable): New function.
1398         (Dwo_file::read): Move common setup code to ...
1399         (Dwo_file::make_object): ... here.
1400         (dwp_options): Add --exec/-e.
1401         (usage): Likewise.
1402         (main): Likewise.
1403
1404 2013-01-24  Sriraman Tallam  <tmsriram@google.com>
1405
1406         * layout.cc (Layout::layout): Check for option text_reorder.
1407         (Layout::make_output_section): Ditto.
1408         * options.h (text_reorder): New option.
1409         * output.cc (Input_section_sort_compare): Remove special ordering
1410         of section names.
1411         (Output_section::
1412          Input_section_sort_section_name_special_ordering_compare::
1413          operator()): New function.
1414         (Output_section::sort_attached_input_sections): Use new sort function
1415         for .text.
1416         * output.h (Input_section_sort_section_name_special_ordering_compare):
1417         New struct.
1418         * testsuite/Makefile.am (text_section_grouping): Test option
1419         --no-text-reorder
1420         * testsuite/Makefile.in: Regenerate.
1421         * testsuite/text_section_grouping.sh: Check order of functions without
1422         default text reordering.
1423
1424 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
1425
1426         * options.h (General_options): Change default to true for new_dtags.
1427
1428 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
1429
1430         * layout.cc (Layout::finish_dynamic_section): Only add DT_RPATH
1431         when enable_new_dtags is false.  Only add DT_RUNPATH when
1432         enable_new_dtags is true.
1433
1434 2013-01-17  Serge Pavlov  <serge.v.pavlov@gmail.com>
1435
1436         * powerpc.cc (Stub_table::find_plt_call_entry): Make types
1437         used in declaration and definition consistent.
1438         (Target_powerpc::symval_for_branch): Ditto.
1439
1440 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
1441
1442         * testsuite/plugin_final_layout.cc: Fix comment.
1443
1444 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
1445
1446         * layout.cc (Layout::layout): Do not do default sorting for
1447         text sections when section ordering is specified.
1448         (make_output_section): Ditto.
1449         * testsuite/plugin_final_layout.cc: Name the function sections
1450         to catch reordering issues.
1451
1452 2013-01-15  Alan Modra  <amodra@gmail.com>
1453
1454         * powerpc.cc (Target_powerpc::do_relax): Default shared libs to
1455         plt-thread-safe.
1456
1457 2013-01-15  Alan Modra  <amodra@gmail.com>
1458
1459         * testsuite/Makefile.am (final_layout_script.lds): Handle .got section.
1460         * testsuite/Makefile.in: Regenerate.
1461
1462 2013-01-14  Alan Modra  <amodra@gmail.com>
1463
1464         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add various output files.
1465         * testsuite/Makefile.in: Regenerate.
1466
1467 2013-01-11  Pavel Chupin  <pavel.v.chupin@intel.com>
1468
1469         PR bfd/14430
1470         Fix mingw gold build with plugins enabled
1471         * Makefile.am: Replace -ldl with @DLOPEN_LIBS@.
1472         * configure.ac: Export DLOPEN_LIBS and add headers check.
1473         * plugin.cc: Handle non-dlfcn case.
1474         * Makefile.in: Regenerate.
1475         * config.in: Regenerate.
1476         * configure: Regenerate.
1477         * testsuite/Makefile.in: Regenerate.
1478
1479 2013-01-09  Sriraman Tallam  <tmsriram@google.com>
1480
1481         * output.h (sort_attached_input_sections): Change to be public.
1482         * script-sections.cc
1483         (Output_section_definition::set_section_addresses): Sort
1484         attached input sections according to section order before linker
1485         script assigns section addresses.
1486         (Orphan_output_section::set_section_addresses): Sort
1487         attached input sections according to section order before linker
1488         script assigns section addresses.
1489         * Makefile.am (final_layout.sh): Use a simple linker script to
1490         check if section ordering still works.
1491         * Makefile.in: Regenerate.
1492
1493 2013-01-09  Ben Cheng  <bccheng@google.com>
1494
1495         * arm.cc (Target_arm::attributes_accept_div): New function.
1496         (Target_arm::attributes_forbid_div): New function.
1497         (Target_arm::merge_object_attributes): Merge the Tag_DIV_use
1498         attribute using the same new functions as what bfd/elf32_arm.c
1499         does.
1500
1501 2013-01-07  Cary Coutant  <ccoutant@google.com>
1502
1503         PR gold/14993
1504         * output.cc (Output_section::add_input_section): For incremental
1505         updates, don't track input sections that are allocated from patch
1506         space.
1507
1508 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
1509             Ian Lance Taylor  <iant@google.com>
1510
1511         PR gold/14897
1512         * configure.ac (--enable-ld): Removed.
1513         (install_as_default): Set to yes only for --enable-gold=default
1514         or --disable-ld.
1515         * configure: Regenerated.
1516
1517 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
1518
1519         * options.h (General_options): Add -fuse-ld= for GCC linker
1520         option compatibility.
1521
1522 2013-01-04  Cary Coutant  <ccoutant@google.com>
1523
1524         * configure.ac: Fix typo restoring CXXFLAGS.
1525         * configure: Regenerate.
1526
1527 2013-01-04  Cary Coutant  <ccoutant@google.com>
1528
1529         * testsuite/Makefile.am (CXXLINK_S): New macro.
1530         (debug_msg_so.err, debug_msg_ndebug.err): Use CXXLINK_S.
1531         * testsuite/Makefile.in: Regenerate.
1532
1533 2013-01-02  H.J. Lu  <hongjiu.lu@intel.com>
1534
1535         * version.cc (print_version): Update copyright year to 2013.
1536
1537 2012-12-20  Ian Lance Taylor  <iant@google.com>
1538
1539         * layout.cc (Layout::special_ordering_of_input_section): New
1540         function.
1541         (Layout::layout): If input section requires special ordering, must
1542         sort input sections.
1543         (Layout::make_output_section): May sort .text input sections.
1544         (Layout::is_section_name_prefix_grouped): Remove.
1545         * layout.h (class Layout): Declare
1546         special_ordering_of_input_section.  Don't declare
1547         is_section_name_prefix_grouped.
1548         * output.cc (Output_section::add_input_section): Revert last
1549         change.
1550         (Output_section::Input_section_sort::match_file_name): Don't crash
1551         if called on output section data.
1552         (Output_section::Input_section_sort_compare): Sort based on
1553         special ordering.
1554         (Output_section::Input_section_sort_section_order_index_compare):
1555         Revert last patch.
1556         (Output_section::sort_attached_input_sections): Likewise.
1557
1558 2012-12-18  Sriraman Tallam  <tmsriram@google.com>
1559
1560         * layout.cc (Layout::is_section_name_prefix_grouped): New function.
1561         * layout.h (Layout::is_section_name_prefix_grouped): New function.
1562         * output.cc (Output_section::add_input_section): Check if section
1563         name contains special prefix.  Keep input sections to sort such
1564         sections.
1565         (Output_section::Input_section_sort_section_order_index_compare
1566          ::operator()): Group sections according to prefixes.
1567         (Output_section::sort_attached_input_sections): Add condition to
1568         Input_section_entry constructor call.
1569         * testsuite/Makefile.am (text_section_grouping): New test.
1570         * testsuite/Makefile.in: Regenerate.
1571         * testsuite/text_section_grouping.cc: New file.
1572         * testsuite/text_section_grouping.sh: New file.
1573
1574 2012-12-17  Nick Clifton  <nickc@redhat.com>
1575
1576         * Makefile.am: Add copyright notice.
1577         * NEWS: Likewise.
1578         * README: Likewise.
1579         * configure.ac: Likewise.
1580         * ftruncate.c: Likewise.
1581         * Makefile.in: Regenerate.
1582
1583 2012-12-14  Cary Coutant  <ccoutant@google.com>
1584
1585         * testsuite/Makefile.am (exception_separate_shared_12_test): Add
1586         --no-as-needed flag.
1587         (exception_separate_shared_12_test): Likewise.
1588         (incremental_copy_test): Likewise.
1589         * testsuite/Makefile.in: Regenerate.
1590
1591 2012-12-14  Cary Coutant  <ccoutant@google.com>
1592
1593         * dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs.
1594         (Dwp_output_file::Dwp_index::enter_set): Add assert.
1595
1596 2012-12-12  Alan Modra  <amodra@gmail.com>
1597
1598         * powerpc.cc (class Track_tls): New.
1599         (class Relocate, class Scan): Inherit Track_tls.
1600         (Target_powerpc::Scan::local, global): Track tls optimization
1601         and avoid creating plt entry for __tls_get_addr if all uses
1602         are optimized away.
1603         (Target_powerpc::Relocate::relocate): Update to use Track_tls.
1604
1605 2012-12-12  Alan Modra  <amodra@gmail.com>
1606
1607         * options.h (General_options): Add --toc-sort/--no-toc-sort.
1608         Replace no_toc_optimize with toc_optimize.
1609         * output.h (Output_section::input_sections): Provide non-const variant.
1610         * powerpc.cc (Powerpc_relobj::has_small_toc_reloc_,
1611         set_has_small_toc_reloc, has_small_toc_reloc): New variable and
1612         accessors.
1613         (Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc.
1614         (class Sort_toc_sections): New.
1615         (Target_powerpc::do_finalize_sections): Sort toc sections.
1616         (Target_powerpc::Relocate::relocate): Update toc_optimize test.
1617
1618 2012-12-10  Roland McGrath  <mcgrathr@google.com>
1619
1620         * testsuite/binary_unittest.cc (read_all): New function.
1621         (Sized_binary_test): Use it instead of ::read.
1622         * fileread.cc (do_read): Don't assume pread always reads the whole
1623         amount in a single call.
1624
1625 2012-12-10  Alan Modra  <amodra@gmail.com>
1626
1627         * powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):
1628         Set EM_PPC64 or EM_PPC here.
1629         (Target_selector_powerpc::do_recognize): Delete.
1630
1631 2012-12-10  Alan Modra  <amodra@gmail.com>
1632
1633         * powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
1634         stub_table_.
1635         (Target_powerpc::Branch_info::make_stub): Don't omit addend.
1636
1637 2012-12-07  Roland McGrath  <mcgrathr@google.com>
1638
1639         * testsuite/binary_unittest.cc (Sized_binary_test):
1640         Use open_descriptor rather than ::open.
1641
1642 2012-12-07  Alan Modra  <amodra@gmail.com>
1643
1644         * powerpc.cc (Stub_table::do_write): Delete redundant Address
1645         typedef and invalid_address constant.
1646         (Output_data_glink, Stub_table, Target_powerpc): Explicitly
1647         instantiate constants.
1648
1649 2012-12-06  Roland McGrath  <mcgrathr@google.com>
1650
1651         * configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
1652         Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
1653         * aclocal.m4: Regenerate.
1654         * configure: Regenerate.
1655         * Makefile.in: Regenerate.
1656         * testsuite/Makefile.in: Regenerate.
1657
1658 2012-12-07  Alan Modra  <amodra@gmail.com>
1659
1660         * options.h (General_options): Add no_toc_optimize.
1661         * powerpc.cc (ok_lo_toc_insn): New function.
1662         (Target_powerpc::Relocate::relocate): Optimize toc access sequences.
1663
1664 2012-12-06  Alan Modra  <amodra@gmail.com>
1665
1666         * options.h (General_options): Add plt_align, plt_static_chain,
1667         plt_thread_safe.  Update stub_group_size help text.
1668         * powerpc.cc (Target_powerpc::plt_thread_safe): New access function
1669         for new plt_thread_safe_ var.
1670         (use_plt_offset): Correct comments.
1671         (Target_powerpc::do_relax): Look for thread creation symbols to
1672         determine default plt_thread_safe value.  Clear plt call stubs
1673         as well as branch stubs each iteration.
1674         (add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
1675         insn constants.
1676         (l, hi, ha, write_insn): Move earlier.
1677         (Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
1678         (Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
1679         plt stubs too.
1680         (Stub_table::update_size): Adjust.
1681         (Stub_table::prev_size, set_prev_size): Delete.
1682         (Stub_table::stub_align): Let --plt-align affect result.
1683         (Stub_table::plt_call_size): Calculate sizes for various stubs.
1684         (Stub_table::branch_stub_size): Use last_plt_size in address calc.
1685         (Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
1686         (Stub_table::do_write): Support more stub variants.
1687
1688 2012-12-04  Alan Modra  <amodra@gmail.com>
1689
1690         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
1691         (Target_powerpc::do_define_standard_symbols): New function.
1692
1693 2012-12-03  Alan Modra  <amodra@gmail.com>
1694
1695         * output.h: Formatting, whitespace.
1696
1697 2012-12-03  Alan Modra  <amodra@gmail.com>
1698
1699         * layout.h (Layout::get_executable_sections): Declare.
1700         * layout.cc (Layout::get_executable_sections): New function.
1701         * arm.cc (Target_arm::group_sections): Use it.
1702         (Arm_output_section::group_sections): Delete now redundant test.
1703         * output.cc (Output_reloc::Output_reloc): Add is_relative.
1704         param to handle relative relocs.
1705         * output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
1706         (Output_data_reloc::add_absolute): Adjust.
1707         (Output_data_reloc::add_relative): New function.
1708         (Output_data::reset_data_size): New function.
1709         (Output_relaxed_input_section::set_relobj, set_shndx): New functions.
1710         (Output_section::set_addralign): New function.
1711         (Output_section::checkpoint_set_addralign): New function.
1712         (Output_section::clear_section_offsets_need_adjustment): New function.
1713         (Output_section::input_sections): Make public.
1714         * powerpc.cc (class Output_data_brlt_powerpc): New.
1715         (class Stub_table, class Stub_control): New.
1716         (Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
1717         stub_table_, set_stub_table, stub_table): New vectors and accessor
1718         functions.
1719         (Target_powerpc::do_may_relax, do_relax, push_branch,
1720         new_stub_table, stub_tables, brlt_section, group_sections,
1721         add_branch_lookup_table, find_branch_lookup_table,
1722         write_branch_lookup_table, make_brlt_section): New functions.
1723         (Target_powerpc::struct Sort_sections, class Branch_info): New.
1724         (Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
1725         branch_info_): New vars.
1726         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
1727         make call stubs here.
1728         (Output_data_glink): Remove all call stub handling from this class.
1729         (Target_powerpc::Scan::local, global): Save interesting branch
1730         relocs and relocs for ifunc.  Adjust calls to plt entry functions.
1731         (Target_powerpc::do_finalize_sections): Only make reg save/restore
1732         functions on final link.
1733         (Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
1734         Handle long branch destinations too.
1735         (Target_powerpc::do_dynsym_value, do_plt_address_for_global,
1736         do_plt_address_for_local): Adjust lookup of plt call stubs.
1737
1738 2012-11-30  Alan Modra  <amodra@gmail.com>
1739
1740         * powerpc.c (Target_powerpc::Scan::global): Don't emit relative
1741         relocs against protected symbols when building 32-bit shared libs.
1742
1743 2012-11-30  Alan Modra  <amodra@gmail.com>
1744
1745         * powerpc.cc (Target_powerpc::make_plt_section): Add symtab
1746         param.  Call got_section() to make .got.  Update all callers
1747         and their callers and so on.
1748
1749 2012-11-30  Alan Modra  <amodra@gmail.com>
1750
1751         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
1752         _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
1753         (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
1754         value if it already exists.
1755
1756 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
1757
1758         PR gold/14858
1759         * x86_64.cc (Relocate::tls_ld_to_le): Support x32.
1760
1761 2012-11-14  Roland McGrath  <mcgrathr@google.com>
1762
1763         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
1764         than bfc instruction for data sandboxing.
1765
1766 2012-11-08  Alan Modra  <amodra@gmail.com>
1767
1768         * po/POTFILES.in: Regenerate.
1769
1770 2012-11-05  Alan Modra  <amodra@gmail.com>
1771
1772         * configure.ac: Apply 2012-09-10 change to config.in here.
1773         * configure: Regenerate.
1774
1775 2012-11-05  Alan Modra  <amodra@gmail.com>
1776
1777         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
1778         (struct Opd_ent): Use "Address" rather than "Offset".
1779         (Output_data_got_powerpc::got_base_offset): Return Valtype.
1780         (Target_powerpc::got_section): Make public.
1781         (Target_powerpc::scan_relocs): Move code setting symbols..
1782         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
1783         Create _SDA_BASE_ only when referenced.
1784
1785 2012-11-02  Roland McGrath  <mcgrathr@google.com>
1786
1787         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
1788         from last change.
1789
1790 2012-11-01  Roland McGrath  <mcgrathr@google.com>
1791
1792         * target.h (Sized_target::relocate_relocs): Use Elf_Off
1793         for offset_in_output_section parameter.
1794         (Sized_target::relocate_special_relocatable): Likewise.
1795         * arm.cc (Target_arm::relocate_relocs): Likewise.
1796         (Target_arm::relocate_special_relocatable): Likewise.
1797         * i386.cc (Target_i386::relocate_relocs): Likewise.
1798         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
1799         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
1800         * target-reloc.h (relocate_relocs): Likewise.
1801         * testsuite/testfile.cc (Target_test): Likewise.
1802         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
1803         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
1804
1805         * system.h: Move inclusion of <clocale> to after <libintl.h> in
1806         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
1807
1808         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
1809         parameter, which is unused in the [!F_SETFD] case.
1810
1811         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
1812         SYMNDX to off_t before comparing it to this->data_size().
1813         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
1814         * incremental.cc (Output_section_incremental_inputs::do_write):
1815         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
1816
1817         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
1818
1819 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
1820
1821         * gold.cc (Target_arm::do_adjust_elf_header): Add the
1822         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
1823         in EABI_VER5.
1824
1825 2012-10-29  Cary Coutant  <ccoutant@google.com>
1826
1827         * dwp.cc (usage): Add file and exit status parameters;
1828         add --help and --version options.
1829         (print_version): New function.
1830         (main): Add --help and --version options.
1831
1832 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
1833
1834         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
1835         final_layout_sequence.txt.
1836         * testsuite/Makefile.in: Regenerated.
1837
1838 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
1839
1840         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
1841         COMPILE generated by automake.
1842         (LINK1): Likewise.
1843         (CXXCOMPILE1): Likewise.
1844         (CXXLINK1): Likewise.
1845         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
1846         (LINK): Likewise.
1847         (CXXCOMPILE): Likewise.
1848         (CXXLINK): Likewise.
1849         * testsuite/Makefile.in: Regenerated.
1850
1851 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
1852
1853         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
1854         on bad fwrite return.
1855
1856 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
1857
1858         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
1859         on val.
1860
1861 2012-10-23  Cary Coutant  <ccoutant@google.com>
1862
1863         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
1864         * testsuite/Makefile.in: Regenerate.
1865         * testsuite/dwp_test.h: New source file.
1866         * testsuite/dwp_test_1.cc: New source file.
1867         * testsuite/dwp_test_1.s: New source file.
1868         * testsuite/dwp_test_1.sh: New source file.
1869         * testsuite/dwp_test_1b.cc: New source file.
1870         * testsuite/dwp_test_1b.s: New source file.
1871         * testsuite/dwp_test_2.cc: New source file.
1872         * testsuite/dwp_test_2.s: New source file.
1873         * testsuite/dwp_test_2.sh: New source file.
1874         * testsuite/dwp_test_main.cc: New source file.
1875         * testsuite/dwp_test_main.s: New source file.
1876
1877 2012-10-23  Cary Coutant  <ccoutant@google.com>
1878
1879         * dwp.h: New header file.
1880         * dwp.cc: New source file.
1881         * gold.h: Move shared declarations to system.h.
1882         * system.h: New header file.
1883         * Makefile.am: Add dwp.
1884         * Makefile.in: Regenerate.
1885
1886 2012-10-23  Cary Coutant  <ccoutant@google.com>
1887
1888         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
1889         Dwarf_info_reader::read_from_pointer.
1890         (Dwarf_pubnames_table::read_header): Likewise.
1891         (Dwarf_pubnames_table::next_name): Likewise.
1892         (Dwarf_die::read_attributes): Likewise.
1893         (Dwarf_die::skip_attributes): Likewise.
1894         (Dwarf_info_reader::read_from_pointer): New function template.
1895         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
1896         (Dwarf_pubnames_table): Likewise.
1897         (Dwarf_info_reader::read_from_pointer): New function template.
1898         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
1899         Dwarf_pubnames_table ctor.
1900
1901 2012-10-23  Cary Coutant  <ccoutant@google.com>
1902
1903         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
1904         abbrev_shndx.
1905         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
1906         abbrev_shndx_.
1907         (Dwarf_info_reader::set_abbrev_shndx): New method.
1908         (Dwarf_info_reader::abbrev_shndx_): New data member.
1909
1910 2012-10-23  Cary Coutant  <ccoutant@google.com>
1911
1912         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
1913         from object, not parameters.
1914         (Dwarf_info_reader::parse): Likewise.
1915         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
1916         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
1917         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
1918         methods.
1919
1920 2012-10-23  Cary Coutant  <ccoutant@google.com>
1921
1922         * fileread.cc (Input_file::Input_file): New constructor.
1923         * fileread.h (class Input_file): Add new constructor.
1924
1925 2012-10-18  Alan Modra  <amodra@gmail.com>
1926
1927         PR gold/14727
1928         * object.cc (Relobj::is_section_name_included): Also match
1929         .sdata personality section.
1930
1931 2012-10-18  Alan Modra  <amodra@gmail.com>
1932
1933         * target-reloc.h (class Default_comdat_behavior): New, package up..
1934         (get_comdat_behaviour): ..this.
1935         (relocate_section): Add Relocate_comdat_behavior template arg,
1936         adjust code to suit.
1937         * arm.cc (Target_arm::relocate_section): Adjust to suit.
1938         (Target_arm::scan_reloc_section): Likewise.
1939         * i386.cc (Target_i386::relocate_section): Likewise.
1940         * sparc.cc (Target_sparc::relocate_section): Likewise.
1941         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
1942         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
1943         * powerpc.cc (class Relocate_comdat_behavior): New.
1944         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
1945         gold::relocate_section with new template arg.
1946
1947 2012-10-18  Alan Modra  <amodra@gmail.com>
1948
1949         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
1950         dynamic relocs for GOT_TPREL got entries, without symbol if
1951         resolving locally.
1952         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
1953         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
1954         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
1955
1956 2012-10-17  Alan Modra  <amodra@gmail.com>
1957
1958         PR gold/14726
1959         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
1960
1961 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
1962
1963         * layout.cc (Layout::include_section): Keep sections marked
1964         SHF_EXCLUDE when doing relocatable links.
1965
1966 2012-10-16  Alan Modra  <amodra@gmail.com>
1967
1968         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
1969         (Target_powerpc::do_finalize_sections): Call it.
1970         (Output_data_save_res): New class and supporting functions.
1971         (Target_powerpc::symval_for_branch): Only look up .opd entry for
1972         normal symbols defined in object files.
1973
1974 2012-10-12  Alan Modra  <amodra@gmail.com>
1975
1976         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
1977         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
1978         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
1979         section if scan_opd_relocs not yet called.
1980         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
1981
1982 2012-10-12  Alan Modra  <amodra@gmail.com>
1983
1984         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
1985         add_local_ifunc_entry): Revert last change.
1986         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
1987
1988 2012-10-05  Alan Modra  <amodra@gmail.com>
1989
1990         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
1991         do_plt_address_for_global): New functions.
1992         (Output_data_got_powerpc::do_write): Don't segfault when linking
1993         statically.
1994         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
1995         add_local_ifunc_entry): Return true on adding entry..
1996         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
1997         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
1998         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
1999         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
2000         set up symbols here.
2001         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
2002         syms here.  Do so even when no .iplt.  Don't segfault when linking
2003         statically.
2004         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
2005         new variants without reloc param.
2006         (Glink_sym_ent::Glink_sym_ent): Likewise.
2007         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
2008         reloc when refs will resolve to plt call stub.
2009         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
2010         R_PPC_PLTREL24 to resolve locally.
2011         (Target_powerpc::Scan::global): Correct ifunc handling.
2012         (Target_powerpc::Relocate::relocate): Correct local sym glink
2013         lookup.  Don't destroy "value" when we have a plt call stub,
2014         and when checking plt call validity.
2015         (Target_powerpc::do_dynsym_value): Simplify.
2016
2017 2012-10-05  Alan Modra  <amodra@gmail.com>
2018
2019         * i386.cc (Output_data_plt_i386::address_for_global,
2020         address_for_local): Add plt offset to returned value.  Adjust uses.
2021         * sparc.cc (Output_data_plt_sparc::address_for_global,
2022         address_for_local): Likewise.
2023         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
2024         address_for_local): Likewise.
2025         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
2026         address_for_local): Likewise.
2027         * target.h (Target::plt_address_for_global, plt_address_for_local):
2028         Update comment.
2029         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
2030         (Output_data_got::Got_entry::write): Nor here.
2031         * output.h: Comment fix.
2032
2033 2012-10-02  Jiong Wang  <jiwang@tilera.com>
2034
2035         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
2036         global_offset_table_ value for larget got.
2037         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
2038
2039 2012-09-29  Alan Modra  <amodra@gmail.com>
2040
2041         * powerpc.cc (Target_powerpc::iplt_): New output section.
2042         (Target_powerpc::iplt_section, make_iplt_section,
2043         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
2044         (Target_powerpc::make_plt_entry): Handle ifunc syms.
2045         Target_powerpc::plt_entry_count): Count iplt entries too.
2046         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
2047         reloc section in constructor.  New params.
2048         (Target_powerpc::make_plt_section): Create reloc section here instead.
2049         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
2050         functions.
2051         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
2052         (Output_data_glink::add_entry, find_entry): New functions to
2053         deal with local syms.
2054         (Glink_sym_ent): Add support for local syms.
2055         (Output_data_glink::do_write): Handle ifunc plt entries.
2056         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
2057         (Target_powerpc::Scan::local, global): Handle ifunc syms.
2058         (Target_powerpc::Relocate::relocate): Likewise.
2059         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
2060
2061 2012-09-25  Alan Modra  <amodra@gmail.com>
2062
2063         * object.h (Sized_relobj_file::adjust_local_symbol,
2064         do_adjust_local_symbol): New functions.
2065         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
2066         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
2067         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
2068         and irregular opd entry spacing.
2069         (Powerpc_relobj::do_read_relocs): Add opd size checks.
2070         (Global_symbol_visitor_opd): New functor.
2071         (Target_powerpc::do_finalize_sections): Omit global symbols defined
2072         on deleted opd entries.
2073
2074 2012-09-15  Jiong Wang  <jiwang@tilera.com>
2075
2076         * tilegx.cc: New file.
2077         * Makefile.am (TARGETSOURCES): Add tilegx.cc
2078         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
2079         * configure.tgt: Add entries for tilegx*.
2080         * configure.ac: Likewise.
2081         * Makefile.in: Rebuild.
2082         * configure: Likewise.
2083         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
2084         tilegx.
2085
2086 2012-09-13  Alan Modra  <amodra@gmail.com>
2087
2088         * target-reloc.h (scan_relocs): Call scan.local for relocs
2089         against symbols in discarded sections.  Pass is_discarded
2090         param.
2091         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
2092         Add is_discarded param.
2093         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
2094         is_discarded to flag opd entry as discarded.  Don't emit dyn
2095         relocs on such entries.
2096         (Target_powerpc::Scan::global): Similarly detect and handle
2097         such opd entries.
2098         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
2099         opd_ent_.  Update all uses.
2100         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
2101         (Target_powerpc::relocate_section): Zero out discarded opd
2102         entry relocs.
2103
2104 2012-09-12  Ian Lance Taylor  <iant@google.com>
2105
2106         PR gold/14570
2107         * output.cc: Rename Output_data_got template parameter from size
2108         to got_size for all functions.  Compile all variants of
2109         Output_data_got.
2110         (Output_data_got::Got_entry::write): Correct use of size for
2111         symbol value.  Use local_is_tls rather than casting to
2112         Sized_relobj_file.
2113         * object.h (class Object): Add local_is_tls and do_local_is_tls.
2114         (class Sized_relobj_file): Add do_local_is_tls.
2115         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
2116
2117 2012-09-11  Alan Modra  <amodra@gmail.com>
2118
2119         PR gold/14566
2120         * layout.cc (Layout::set_segment_offsets): When using
2121         common-page-size alignment, ensure we are on a new max-page-size
2122         page.
2123         * output.cc (Output_segment::set_section_addresses): Use
2124         abi_pagesize, not common_pagesize for relro boundary.
2125         (Output_segment::set_offset): Likewise.
2126
2127 2012-09-11  Alan Modra  <amodra@gmail.com>
2128
2129         * output.h (Output_data_got::add_global_tls, add_local_tls,
2130         add_local_tls_pair): New functions.
2131         (Output_data_got::add_local_pair_with_rel): Remove second
2132         reloc param.  Expand comment.
2133         (Output_data_got::Got_entry): Rename use_plt_offset_ to
2134         use_plt_or_tls_offset_, similarly for constructor param.
2135         (Output_data_got::Got_entry::write): Add got_index param.
2136         * output.cc (Output_data_got::add_global_tls, add_local_tls,
2137         add_local_tls_pair): New functions.
2138         (Output_data_got::Got_entry::write): Handle tls symbols
2139         with use_plt_or_tls_offset_ set specially.
2140         (Output_data_got::add_local_pair_with_rel): Only one reloc.
2141         (Output_data_got::do_write): Replace iterator with index, pass
2142         index to entry write function.
2143         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
2144         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
2145         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
2146         call.
2147         * i386.cc (Target_i386::Scan::local): Likewise.
2148         * sparc.cc (Target_sparc::Scan::local): Likewise.
2149         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
2150         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
2151         do_tls_offset_for_global): New functions.
2152         (Target_powerpc::Scan::local): Correct TLS relocations and got
2153         entry values.
2154         (Target_powerpc::Scan::global): Don't emit unnecessary
2155         dynamic relocations on TLS GOT entries.
2156
2157 2012-09-10  Matthias Klose  <doko@ubuntu.com>
2158
2159         * config.in: Disable sanity check for kfreebsd.
2160
2161 2012-09-10  Sterling Augustine  <saugustine@google.com>
2162
2163         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
2164         (Gdb_index::pubtypes_read): New parameter.
2165         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
2166         to calls.
2167         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
2168         pubtypes_object_.
2169
2170 2012-09-09  Alan Modra  <amodra@gmail.com>
2171
2172         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
2173         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
2174         * gc.h (gc_process_relocs): Call target gc_add_reference.
2175         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
2176         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
2177         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
2178         unnecessary cast.
2179         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
2180         to cater for when we don't need code offset.  Update use.
2181         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
2182         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
2183         set_opd_valid): New functions.
2184         (Target_powerpc::do_gc_add_reference): New function.
2185         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
2186         stashed refs.
2187         (Target_powerpc::do_gc_mark_symbol): New function.
2188
2189 2012-09-06  Cary Coutant  <ccoutant@google.com>
2190
2191         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
2192         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
2193         (Dwarf_die::skip_attributes): Likewise.
2194         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
2195         * testsuite/gdb_index_test.cc (inline_func_1): New function.
2196         (main): Call it.
2197         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
2198
2199 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
2200
2201         * testsuite/script_test_3.t: Add .got.plt output section
2202         statement.
2203         * testsuite/script_test_4.t: Likewise.
2204
2205 2012-09-05  Alan Modra  <amodra@gmail.com>
2206
2207         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
2208         update all uses and lose "enum" when using type.
2209
2210 2012-09-05  Alan Modra  <amodra@gmail.com>
2211
2212         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
2213         * configure: Regenerate.
2214         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
2215         (plugin_final_layout.stdout): Likewise.
2216         (memory_test): Set page sizes to 0x1000.
2217         * testsuite/Makefile.in: Regenerate.
2218         * testsuite/discard_locals_test.sh: Add FIXME comment.
2219         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
2220         * testsuite/pr14265.t: Add .got output section statement.
2221         * testsuite/script_test_2.t: Likewise.
2222         * testsuite/script_test_3.t: Likewise.
2223         * testsuite/script_test_4.t: Likewise.
2224         * testsuite/script_test_5.t: Likewise.
2225         * testsuite/script_test_6.t: Likewise.
2226         * testsuite/script_test_7.t: Likewise.
2227         * testsuite/script_test_9.t: Likewise.
2228
2229 2012-09-05  Alan Modra  <amodra@gmail.com>
2230
2231         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
2232         (Powerpc_relocate_functions::Status): New typedef.
2233         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
2234         (Target_powerpc::Scan::local): Handle REL64.
2235         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
2236         for REL32 and REL64.
2237         (Target_powerpc::symval_for_branch): New function, extracted from..
2238         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
2239         checks.  Report overflow errors.
2240
2241 2012-09-05  Alan Modra  <amodra@gmail.com>
2242
2243         * object.h (Sized_relobj_file::emit_relocs): Delete.
2244         (Sized_relobj_file::emit_relocs_reltype): Delete.
2245         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
2246         relocate_relocs for --emit-relocs.
2247         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
2248         * output.h: Update comment.
2249         (Output_segment::first_section): New function.
2250         (Output_segment::first_section_load_address): Use first_section.
2251         * output.cc (Output_segment::first_section): New function extracted..
2252         (Output_segment::first_section_load_address): ..from here.  Delete.
2253         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
2254         * target.h (Sized_target::relocate_for_relocatable): Likewise.
2255         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
2256         adjust call to target.h function.
2257         * i386.cc (Target_i386): Likewise.
2258         * sparc.cc (Target_sparc): Likewise.
2259         * x86_64.cc (Target_x86_64): Likewise.
2260         * powerpc.cc (Target_powerpc): Likewise.
2261         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
2262         first tls section has section symbol for optimised local dynamic
2263         output relocs.
2264         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
2265         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
2266         optimised tls code.
2267         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
2268         Rename to relocate_relocs.  Update error message.
2269
2270 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
2271
2272         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
2273         --just-symbols.
2274
2275 2012-08-31  Alan Modra  <amodra@gmail.com>
2276
2277         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
2278         (Powerpc_relobj::toc_base_offset): New stub function.
2279         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
2280         got_mod_index_offset to tlsld_got_offset.  Update all refs.
2281         (Target_powerpc::Relocate::enum skip_tls): New.
2282         (Target_powerpc::call_tls_get_addr_): New var.
2283         (Target_powerpc::is_branch_reloc): Move to file scope.
2284         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
2285         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
2286         New functions.
2287         (Target_powerpc::enum Got_type): Delete old values, add new ones.
2288         (powerpc_info): Correct common_pagesize for ppc64.
2289         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
2290         (Powerpc_relocate_functions): Add overflow check enums and functions.
2291         Add non-shift version of rela, rela_ua.  Delete all rel public
2292         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
2293         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
2294         addr16_ha3, addr14 functions.
2295         (Output_data_got_powerpc::add_constant_pair): New function.
2296         (Output_data_got_powerpc::got_base_offset): Likewise.
2297         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
2298         (instruction constants): Sort, add some more.
2299         (Output_data_glink::do_write): Add and use Address typedef.  Use
2300         object->toc_base_offset() stub for 64-bit.
2301         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
2302         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
2303         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
2304         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
2305         Always treat .opd relocs as against locally defined symbol.
2306         Correct condition for RELATIVE relocs.
2307         (Target_powerpc::do_finalize_sections): Test for NULL sections.
2308         (Target_powerpc::Relocate::relocate): Use plt call stub as value
2309         for 32-bit syms with a plt entry.  Correct ppc64 toc base
2310         calculations.  Handle TLS relocs, and more.  Add overflow
2311         checking and adjust for Powerpc_relocate_functions changes.
2312         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
2313         Reinstate --emit-relocs code with FIXME.
2314
2315 2012-08-30  Alan Modra  <amodra@gmail.com>
2316
2317         * layout.cc (Layout::set_segment_offsets): Set p_align to
2318         abi_pagesize, not common_pagesize.
2319         (Layout::relaxation_loop_body): Similarly use abi_pagesize
2320         to determine whether file header can go in segment.
2321
2322 2012-08-30  Alan Modra  <amodra@gmail.com>
2323
2324         * output.h (Output_reloc::Output_reloc <output section>): Add
2325         is_relative param.  Adjust calls.
2326         (Output_reloc::add_output_section_relative): New functions.
2327         * output.cc (Output_reloc::Output_reloc <output section>): Handle
2328         is_relative.
2329         (Output_reloc::symbol_value): Handle SECTION_CODE.
2330
2331 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
2332
2333         * gold.cc (queue_middle_tasks): Call layout again when unique
2334         segments for sections is desired.
2335         * layout.cc (Layout::Layout): Initialize new members.
2336         (Layout::get_output_section_flags): New function.
2337         (Layout::choose_output_section): Call get_output_section_flags.
2338         (Layout::layout): Make output section for mapping to a unique segment.
2339         (Layout::insert_section_segment_map): New function.
2340         (Layout::attach_allocated_section_to_segment): Make unique segment for
2341         output sections marked so.
2342         (Layout::segment_precedes): Check for unique segments when sorting.
2343         * layout.h (Layout::Unique_segment_info): New struct.
2344         (Layout::Section_segment_map): New typedef.
2345         (Layout::insert_section_segment_map): New function.
2346         (Layout::get_output_section_flags): New function.
2347         (Layout::is_unique_segment_for_sections_specified): New function.
2348         (Layout::set_unique_segment_for_sections_specified): New function.
2349         (Layout::unique_segment_for_sections_specified_): New member.
2350         (Layout::section_segment_map_): New member.
2351         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
2352         Rename is_gc_pass_one to is_pass_one.
2353         Rename is_gc_pass_two to is_pass_two.
2354         Rename is_gc_or_icf to is_two_pass.
2355         Check for which pass based on whether symbols data is present.
2356         Make it two pass when unique segments for sections is desired.
2357         * output.cc (Output_section::Output_section): Initialize new
2358         members.
2359         * output.h (Output_section::is_unique_segment): New function.
2360         (Output_section::set_is_unique_segment): New function.
2361         (Output_section::is_unique_segment_): New member.
2362         (Output_section::extra_segment_flags): New function.
2363         (Output_section::set_extra_segment_flags): New function.
2364         (Output_section::extra_segment_flags_): New member.
2365         (Output_section::segment_alignment): New function.
2366         (Output_section::set_segment_alignment): New function.
2367         (Output_section::segment_alignment_): New member.
2368         (Output_segment::Output_segment): Initialize is_unique_segment_.
2369         (Output_segment::is_unique_segment): New function.
2370         (Output_segment::set_is_unique_segment): New function.
2371         (Output_segment::is_unique_segment_): New member.
2372         * plugin.cc (allow_unique_segment_for_sections): New function.
2373         (unique_segment_for_sections): New function.
2374         (Plugin::load): Add new functions to transfer vector.
2375         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
2376         * Makefile.in: Regenerate.
2377         * testsuite/plugin_final_layout.sh: Check if unique segment
2378         functionality works.
2379         * testsuite/plugin_section_order.c (onload): Check if new interfaces
2380         are available.
2381         (allow_unique_segment_for_sections): New global.
2382         (unique_segment_for_sections): New global.
2383         (claim_file_hook): Call allow_unique_segment_for_sections.
2384         (all_symbols_read_hook): Call unique_segment_for_sections.
2385
2386 2012-08-22  Cary Coutant  <ccoutant@google.com>
2387
2388         * layout.cc (Layout::include_section): Don't assert on GROUP
2389         sections with --emit-relocs.
2390
2391 2012-08-21  Cary Coutant  <ccoutant@google.com>
2392
2393         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
2394         if --export-dynamic-symbol names an undef symbol.
2395
2396 2012-08-18  Alan Modra  <amodra@gmail.com>
2397
2398         * powerpc.cc: Formatting and white space.
2399         (Powerpc_relobj): Rename got2_section_ to special_.
2400         Add opd_ent_shndx_ and opd_ent_off_ vectors.
2401         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
2402         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
2403         (Target_powerpc): Add Address typedef and invalid_address.  Use
2404         throughout.
2405         (Target_powerpc::is_branch_reloc): New function.
2406         (Powerpc_relocate_functions): Add Address typedef, use throughout.
2407         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
2408         for dst_mask, value and addend.
2409         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
2410         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
2411         (Output_data_glink::do_write): Correct toc base.  Don't try to use
2412         uint16_t for 24-bit offset.  Use get_output_section_offset and
2413         check return.
2414         (Target_powerpc::Scan::local): Handle more relocs.
2415         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
2416         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
2417         Plug in toc restoring insn after plt calls.  Translate branches
2418         to function descriptor symbols to corresponding entry point.
2419         (Target_powerpc::relocate_for_relocatable): Check return from
2420         get_output_section_offset.
2421         * symtab.h: Comment typo.
2422
2423 2012-08-14  Ian Lance Taylor  <iant@google.com>
2424
2425         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
2426         unsupported_relocal_local to call unsupported_reloc_global.
2427
2428 2012-08-14  Nick Clifton  <nickc@redhat.com>
2429
2430         PR ld/14265
2431         * script-sections.cc (Sections_element::output_section_name): Add
2432         keep return parameter.
2433         (Output_section_element::match_name): Add keep return parameter.
2434         Return the value of the keep_ member.
2435         * script-sections.h (class Output_section): Update
2436         output_section_name prototype.
2437         * layout.cc (Layout::keep_input_section): New public member
2438         function.
2439         (Layout::choose_output_section): Pass keep parameter to
2440         output_section_name.
2441         * layout.h (class Layout): Add keep_input_section.
2442         * object.cc (Sized_relobj_file::do_layout): Check for kept input
2443         sections.
2444         * testsuite/Makefile.am: Add a test.
2445         * testsuite/Makefile.in: Regenerate.
2446         * testsuite/pr14265.c: Source file for the test.
2447         * testsuite/pr14265.t: Linker script for the test.
2448         * testsuite/pr14265.sh: Shell script for the test.
2449
2450 2012-08-14  Alan Modra  <amodra@gmail.com>
2451
2452         * target.h (Target::output_section_name): New function.
2453         (Target::do_output_section_name): New function.
2454         * layout.cc (Layout::choose_output_section): Call the above.
2455         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
2456
2457 2012-08-14  Alan Modra  <amodra@gmail.com>
2458
2459         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
2460         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
2461         for replace_constant call.
2462         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
2463         (Output_data_glink::do_print_to_mapfile): New function.
2464         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
2465         (Target_powerpc::Relocate::relocate): Likewise.
2466
2467 2012-08-14  Alan Modra  <amodra@gmail.com>
2468
2469         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
2470         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
2471         (Output_data_glink::add_entry,find_entry): Remove shndx param.
2472         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
2473         all references to shndx_.  Handle special case for R_PPC_PLTREL24
2474         here.
2475         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
2476         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
2477         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
2478         here.
2479         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
2480         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
2481
2482 2012-08-12  Alan Modra  <amodra@gmail.com>
2483
2484         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
2485         (glink insn constants): Use uint32_t.
2486         (Output_data_glink::add_entry): Use insert, not [] operator.
2487
2488 2012-08-11  Alan Modra  <amodra@gmail.com>
2489
2490         * object.h (Sized_relobj_file::find_shdr): New function.
2491         (Sized_relobj_file::find_special_sections): New function.
2492         * object.cc (Sized_relobj_file::find_shdr): New function.
2493         (Sized_relobj_file::find_eh_frame): Use find_shdr.
2494         (Sized_relobj_file::find_special_sections): New function, split out..
2495         (Sized_relobj_file::do_read_symbols): ..from here.
2496         * output.h (Output_data_got::replace_constant): New function.
2497         (Output_data_got::num_entries): New function.
2498         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
2499         (Output_data_got::got_offset): Protected rather than private.
2500         (Output_data_got::replace_got_entry): New function.
2501         * output.cc (Output_data_got::replace_got_entry): New function.
2502         * powerpc.cc (class Powerpc_relobj): New.
2503         (class Powerpc_relocate_functions): Delete all psymval variants or
2504         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
2505         Implement _ha functions using corresponding _hi function.
2506         (Powerpc_relobj::find_special_sections): New function.
2507         (Target_powerpc::do_make_elf_object): New function.
2508         (class Output_data_got_powerpc): New.
2509         (class Output_data_glink): New.
2510         (class Powerpc_scan_relocatable_reloc): New.
2511         Many more changes througout file.
2512
2513 2012-08-09  Nick Clifton  <nickc@redhat.com>
2514
2515         * po/vi.po: Updated Vietnamese translation.
2516
2517 2012-08-07  Ian Lance Taylor  <iant@google.com>
2518
2519         * layout.cc (Layout::add_target_dynamic_tags): If
2520         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
2521         plt_rel.
2522
2523 2012-07-30  Nick Clifton  <nickc@redhat.com>
2524
2525         * po/gold.pot: Updated template.
2526         * po/es.po: Updated Spanish translation.
2527
2528 2012-07-18  Cary Coutant  <ccoutant@google.com>
2529
2530         PR gold/14344
2531         * configure.ac: Add check for -gpubnames support.
2532         * configure: Regenerate.
2533         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
2534         support; force -gno-pubnames.
2535         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
2536         support.
2537         (gdb_index_test_4): New test.
2538         * testsuite/Makefile.in: Regenerate.
2539         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
2540         * testsuite/gdb_index_test_2.sh: Likewise.
2541         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
2542         * testsuite/gdb_index_test_4.sh: New script.
2543         * testsuite/gdb_index_test_comm.sh: New script with common code;
2544         don't look for space after colon.
2545
2546 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
2547
2548         * gold.cc (queue_middle_tasks): Update function order only after
2549         deferred objects due to plugins are processed.
2550
2551 2012-07-11  Ian Lance Taylor  <iant@google.com>
2552
2553         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
2554         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
2555         (Target_arm::scan_reloc_for_stub): Likewise.
2556         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
2557         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
2558         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
2559         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
2560         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
2561
2562 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
2563             Ian Lance Taylor  <iant@google.com>
2564
2565         PR gold/14309
2566         * configure.ac: Test whether std::tr1::hash<off_t> works.
2567         * gold.h: Add a specialization for std::tr1::hash<off_t> if
2568         needed.
2569         * output.h (class Output_fill): Add virtual destructor.
2570         * configure, config.in: Rebuild.
2571
2572 2012-06-22  Roland McGrath  <mcgrathr@google.com>
2573
2574         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
2575
2576 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
2577
2578         * plugin.cc (Plugin::load): Handle position independent executables.
2579
2580 2012-06-06  Cary Coutant  <ccoutant@google.com>
2581
2582         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
2583         add .debug_macro.
2584         (lines_only_debug_sections): Likewise.
2585         (gdb_fast_lookup_sections): New static array.
2586         (is_gdb_debug_section): Rename formal parameter.
2587         (is_lines_only_debug_section): Likewise.
2588         (is_gdb_fast_lookup_section): New function.
2589         (Layout::include_section): Check for ".zdebug_" prefix; pass
2590         section name suffix to is_gdb_debug_section, et al.; check for
2591         fast-lookup sections when building .gdb_index.
2592         * options.h (--strip-debug-gdb): Update GDB version number.
2593
2594 2012-06-06  Cary Coutant  <ccoutant@google.com>
2595
2596         * configure.ac: Add check for fallocate.
2597         * configure: Regenerate.
2598         * config.in: Regenerate.
2599
2600         * options.h (class General_options): Add --mmap-output-file and
2601         --posix-fallocate options.
2602         * output.cc: (posix_fallocate): Remove; replace with...
2603         (gold_fallocate): New function.
2604         (Output_file::map_no_anonymous): Call gold_fallocate.
2605         (Output_file::map): Check --mmap-output-file option.
2606
2607 2012-06-05  Jing Yu  <jingyu@google.com>
2608
2609         * gold.h (textdomain): Add do {} to empty while(0).
2610         (bindtextdomain): Likewise.
2611
2612 2012-06-04  Cary Coutant  <ccoutant@google.com>
2613
2614         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
2615         has_dynsym_index.
2616
2617 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
2618
2619         * symtab.cc (Symbol_table::define_special_symbol):
2620         Initialize *poldsym to prevent uninitialized variable errors.
2621
2622 2012-05-23  Cary Coutant  <ccoutant@google.com>
2623
2624         * layout.cc (Layout::section_name_mapping): Add rules to handle
2625         exact match on .data.rel.ro.local or .data.rel.ro.
2626         (Layout::output_section_name): Check for exact matches.
2627
2628 2012-05-23  Cary Coutant  <ccoutant@google.com>
2629
2630         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
2631         more carefully.
2632
2633 2012-05-22  Cary Coutant  <ccoutant@google.com>
2634
2635         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
2636         object before exporting symbol.
2637
2638 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2639
2640         * testsuite/tls_test.cc: Include "config.h" first.
2641         * testsuite/tls_test_c.c: Likewise.
2642
2643 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
2644             Nick Clifton  <nickc@redhat.com>
2645
2646         PR 14072
2647         * configure.in: Add check that sysdep.h has been included before
2648         any system header files.
2649         * configure: Regenerate.
2650         * config.in: Regenerate.
2651
2652 2012-05-14  Cary Coutant  <ccoutant@google.com>
2653
2654         * layout.cc (Layout::make_output_section): Mark .tdata section
2655         as RELRO.
2656         * testsuite/relro_test.cc: Add a TLS variable.
2657
2658 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
2659
2660         PR gold/14091
2661         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
2662         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
2663         R_X86_64_64.
2664
2665 2012-05-08  Cary Coutant  <ccoutant@google.com>
2666
2667         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
2668         (lines_only_debug_sections): Likewise.
2669
2670 2012-05-02  Roland McGrath  <mcgrathr@google.com>
2671
2672         * nacl.cc: New file.
2673         * nacl.h: New file.
2674         * Makefile.am (CCFILES, HFILES): Add them.
2675         * Makefile.in: Regenerate.
2676         * i386.cc (Output_data_plt_i386_nacl): New class.
2677         (Output_data_plt_i386_nacl_exec): New class.
2678         (Output_data_plt_i386_nacl_dyn): New class.
2679         (Target_i386_nacl): New class.
2680         (Target_selector_i386_nacl): New class.
2681         (target_selector_i386): Use it instead of Target_selector_i386.
2682         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
2683         (Target_x86_64_nacl): New class.
2684         (Target_selector_x86_64_nacl): New class.
2685         (target_selector_x86_64, target_selector_x32): Use it instead of
2686         Target_selector_x86_64.
2687         * arm.cc (Output_data_plt_arm_nacl): New class.
2688         (Target_arm_nacl): New class.
2689         (Target_selector_arm_nacl): New class.
2690         (target_selector_arm, target_selector_armbe): Use it instead of
2691         Target_selector_arm.
2692
2693         * target-select.cc (select_target): Take new Input_file* and off_t
2694         arguments, pass them on to recognize method of selector.
2695         * object.cc (make_elf_sized_object): Update caller.
2696         * parameters.cc (parameters_force_valid_target): Likewise.
2697         * incremental.cc (make_sized_incremental_binary): Likewise.
2698         * target-select.h: Update decl.
2699         (Target_selector::recognize): Take new Input_file* argument,
2700         pass it on to do_recognize.
2701         (Target_selector::do_recognize): Take new Input_file* argument.
2702         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
2703         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
2704         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
2705         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
2706
2707         * target.h (Target::Target_info): New members isolate_execinstr
2708         and rosegment_gap.
2709         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
2710         * arm.cc (Target_arm::arm_info): Update initializer.
2711         * i386.cc (Target_i386::i386_info): Likewise.
2712         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
2713         * sparc.cc (Target_sparc::sparc_info): Likewise.
2714         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2715         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
2716         * layout.cc (Layout::attach_allocated_section_to_segment):
2717         Take new const Target* argument.  If target->isolate_execinstr(), act
2718         like --rosegment.
2719         (Layout::find_first_load_seg): Take new const Target* argument;
2720         if target->isolate_execinstr(), reject PF_X segments.
2721         (Layout::relaxation_loop_body): Update caller.
2722         (Layout::set_segment_offsets): If target->isolate_execinstr(),
2723         reset file offset to zero when we hit LOAD_SEG, and then do a second
2724         loop over the segments before LOAD_SEG to reassign offsets after
2725         addresses have been determined.  Handle target->rosegment_gap().
2726         (Layout::attach_section_to_segment): Take new const Target* argument;
2727         pass it to attach_allocated_section_to_segment.
2728         (Layout::make_output_section): Update caller.
2729         (Layout::attach_sections_to_segments): Take new const Target* argument;
2730         pass it to attach_section_to_segment.
2731         * gold.cc (queue_middle_tasks): Update caller.
2732         * layout.h (Layout): Update method decls with new arguments.
2733
2734         * arm.cc (Target_arm::Target_arm): Take optional argument for the
2735         Target_info pointer to use.
2736         (Target_arm::do_make_data_plt): New virtual method.
2737         (Target_arm::make_data_plt): New method that calls it.
2738         (Target_arm::make_plt_entry): Use it.
2739         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
2740         for the section alignment.
2741         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
2742         method.
2743         (Output_data_plt_arm::first_plt_entry_offset): Call it.
2744         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
2745         method.
2746         (Output_data_plt_arm::get_plt_entry_size): Call it.
2747         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
2748         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
2749         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
2750         method.
2751         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
2752         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
2753         method instead of sizeof(plt_entry).
2754         (Output_data_plt_arm::add_entry): Likewise.
2755         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
2756         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
2757         than static method.
2758         (Target_arm::plt_entry_size): Likewise.
2759         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
2760         Move to ...
2761         (Output_data_plt_arm_standard): ... here, new class.
2762         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
2763         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
2764         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
2765
2766         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2767         Take additional argument for the PLT entry size.
2768         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
2769         Use get_plt_entry_size method rather than plt_entry_size variable.
2770         (Output_data_plt_x86_64::reserve_slot): Likewise.
2771         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
2772         (Output_data_plt_x86_64::add_entry): Likewise.
2773         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
2774         (Output_data_plt_x86_64::address_for_global): Likewise.
2775         (Output_data_plt_x86_64::address_for_local): Likewise.
2776         (Output_data_plt_x86_64::set_final_data_size): Likewise.
2777         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
2778         Make method non-static.
2779         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
2780         method.
2781         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
2782         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
2783         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
2784         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
2785         virtual method.
2786         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
2787         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
2788         virtual method.
2789         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
2790         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
2791         virtual method.
2792         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
2793         (Output_data_plt_x86_64::plt_entry_size)
2794         (Output_data_plt_x86_64::first_plt_entry)
2795         (Output_data_plt_x86_64::plt_entry)
2796         (Output_data_plt_x86_64::tlsdesc_plt_entry)
2797         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
2798         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
2799         (Output_data_plt_x86_64_standard): ... here, new class.
2800         (Target_x86_64::Target_x86_64): Take optional argument for the
2801         Target_info pointer to use.
2802         (Target_x86_64::do_make_data_plt): New virtual method.
2803         (Target_x86_64::make_data_plt): New method to call it.
2804         (Target_x86_64::init_got_plt_for_update): Use that.
2805         Call this->plt_->add_eh_frame method here.
2806         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
2807         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
2808         rather than static method.
2809         (Target_x86_64::plt_entry_size): Likewise.
2810         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
2811         rather than plt_entry_size variable.  Move guts of PLT filling to...
2812         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
2813         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
2814         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
2815
2816         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
2817         additional argument for the section alignment.
2818         Don't do add_eh_frame_for_plt here.
2819         (Output_data_plt_i386::first_plt_entry_offset): Make the method
2820         non-static.  Use get_plt_entry_size method rather than plt_entry_size
2821         variable.
2822         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
2823         method.
2824         (Output_data_plt_i386::get_plt_entry_size): Call it.
2825         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
2826         (Output_data_plt_i386::add_eh_frame): New method to call it.
2827         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
2828         method.
2829         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
2830         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
2831         method.
2832         (Output_data_plt_i386::fill_plt_entry): New method to call it.
2833         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
2834         method instead of plt_entry_size.
2835         (Output_data_plt_i386::plt_entry_size)
2836         (Output_data_plt_i386::plt_eh_frame_fde_size)
2837         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
2838         (Output_data_plt_i386_standard): ... here, new class.
2839         (Output_data_plt_i386_exec): New class.
2840         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
2841         (Output_data_plt_i386_exec::first_plt_entry): ... here.
2842         (Output_data_plt_i386::exec_plt_entry): Move to ...
2843         (Output_data_plt_i386_exec::plt_entry): ... here.
2844         (Output_data_plt_i386_dyn): New class.
2845         (Output_data_plt_i386::first_plt_entry): Move to ...
2846         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
2847         (Output_data_plt_i386::dyn_plt_entry): Move to ...
2848         (Output_data_plt_i386_dyn::plt_entry): ... here.
2849         (Target_i386::Target_i386): Take optional argument for the Target_info
2850         pointer to use.
2851         (Target_i386::do_make_data_plt): New virtual method.
2852         (Target_i386::make_data_plt): New method to call it.
2853         (Target_i386::make_plt_section): Use that.
2854         Call this->plt_->add_eh_frame method here.
2855         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
2856         rather than plt_entry_size variable.
2857         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
2858         (Output_data_plt_i386::address_for_local): Likewise.
2859         (Output_data_plt_i386::do_write): Likewise.
2860         Move guts of PLT filling to...
2861         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
2862         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
2863         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
2864         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
2865
2866 2012-05-01  Cary Coutant  <ccoutant@google.com>
2867
2868         * dwarf_reader.cc (Dwarf_die::read_attributes)
2869         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
2870         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
2871         * reduced_debug_output.cc
2872         (Output_reduced_debug_info_section::get_die_end): Remove
2873         DW_FORM_GNU_ref_index.  Add default case.
2874
2875 2012-04-26  Mark Wielaard  <mjw@redhat.com>
2876
2877         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
2878         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
2879         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
2880         DW_AT_high_pc as offset from DW_AT_low_pc.
2881
2882         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
2883         * testsuite/Makefile.in: Regenerate.
2884         * testsuite/gdb_index_test_3.c: New test source file.
2885         * testsuite/gdb_index_test_3.sh: New test source file.
2886
2887 2012-04-25  Ian Lance Taylor  <iant@google.com>
2888
2889         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
2890         pointer.
2891         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
2892         as a class, not a struct.
2893         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
2894         (Target_arm::apply_cortex_a8_workaround): Likewise.
2895         * gc.h: Declare Reloc_types as a struct, not a class.
2896         * object.h: Declare Symbols_data as a struct.
2897         * reloc.h: Declare Read_relocs_data as a struct.
2898         * target.h: Declare Relocate_info as a struct.
2899
2900 2012-04-24  David S. Miller  <davem@davemloft.net>
2901
2902         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
2903         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
2904         and R_SPARC_WPLT30.
2905
2906 2012-04-24  Cary Coutant  <ccoutant@google.com>
2907
2908         * incremental-dump.cc (find_input_containing_global): Replace
2909         magic number with symbolic constant.
2910         (dump_incremental_inputs): Update version number.
2911         * incremental.cc (Output_section_incremental_inputs): Update version
2912         number; import symbolic constants from Incremental_inputs_reader.
2913         (Incremental_inputs::create_data_sections): Align relocations
2914         section correctly for 64-bit targets.
2915         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
2916         constants; add padding.
2917         (Output_section_incremental_inputs::write_header): Add assert for
2918         header_size.
2919         (Output_section_incremental_inputs::write_input_files): Add assert
2920         for input_entry_size.
2921         (Output_section_incremental_inputs::write_info_blocks): Add padding;
2922         add assert for object_info_size, input_section_entry_size,
2923         global_sym_entry_size.
2924         * incremental.h (Incremental_inputs_reader): Add symbolic constants
2925         for data structure sizes; use them.
2926         (Incremental_input_entry_reader): Import symbolic constants from
2927         Incremental_inputs_reader; use them.
2928
2929 2012-04-23  David S. Miller  <davem@davemloft.net>
2930
2931         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
2932         and elf_flags_set_.
2933         (Target_sparc::Target_sparc): Initialize new fields.
2934         (Target_sparc::do_make_elf_object): New function.
2935         (Target_sparc::do_adjust_elf_header): New function.
2936
2937 2012-04-23  Cary Coutant  <ccoutant@google.com>
2938
2939         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
2940         CU range table of gdb index.
2941
2942 2012-04-20  David S. Miller  <davem@davemloft.net>
2943
2944         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
2945         instead of false.
2946
2947 2012-04-16  David S. Miller  <davem@davemloft.net>
2948
2949         * sparc.cc (Target_sparc::got_address): New function.
2950         (Sparc_relocate_functions::gdop_hix22): New function.
2951         (Sparc_relocate_functions::gdop_lox10): New function.
2952         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
2953         relocs.
2954         (Target_sparc::Scan::local): Likewise if the global symbol is not
2955         preemptible and is not IFUNC.
2956         (Target_sparc::Relocate::relocate): Perform GOTDATA code
2957         transformations for local and non-preemptible non-IFUNC global
2958         symbols.
2959
2960         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
2961         writing out 64-bit part of ranges.
2962
2963         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
2964         -fpic and -fpie respectively.
2965         * Makefile.in: Regenerate.
2966
2967         * sparc.cc (class Target_sparc): Add rela_ifunc_.
2968         (Target_sparc::Target_sparc): Initialize new field.
2969         (Target_sparc::do_plt_section_for_global): New function.
2970         (Target_sparc::do_plt_section_for_local): New function.
2971         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
2972         (Target_sparc::make_plt_section): New function, broken out of
2973         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
2974         (Target_sparc::make_plt_entry): Call make_plt_section.
2975         (Target_sparc::make_local_ifunc_plt_entry): New function.
2976         (Target_sparc::rela_ifunc_section): New function.
2977         (Target_sparc::plt_section): Remove const.
2978         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
2979         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
2980         and ifunc_count_ fields.
2981         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
2982         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
2983         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
2984         (Output_data_plt_sparc::rela_ifunc): New function.
2985         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
2986         (Output_data_plt_sparc::has_ifunc_section): New function.
2987         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
2988         (Output_data_plt_sparc::address_for_global): New function.
2989         (Output_data_plt_sparc::address_for_local): New function.
2990         (Output_data_plt_sparc::plt_index_to_offset): New function.
2991         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
2992         and entry_count.
2993         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
2994         entry_count.
2995         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
2996         R_SPARC_JMP_IREL to switch.
2997         (Target_sparc::Scan::check_non_pic): Likewise.
2998         (Target_sparc::Scan::local): Handle IFUNC symbols.
2999         (Target_sparc::Scan::local): Likewise.
3000         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
3001         and plt_address_for_local.
3002         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
3003         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
3004
3005         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
3006         (class Output_data_reloc): Adjust calls to Output_reloc_type.
3007         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
3008         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
3009         global relocs too.
3010         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
3011         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
3012         calls.
3013         * sparc.cc (Target_sparc::Scan::global): Likewise.
3014         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
3015
3016 2012-04-16  Cary Coutant  <ccoutant@google.com>
3017
3018         * archive.cc (Library_base::should_include_member): Check for
3019         --export-dynamic-symbol.
3020         * options.h (class General_options): Add --export-dynamic-symbol.
3021         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
3022         --export-dynamic-symbol.
3023         (Symbol_table::gc_mark_undef_symbols): Likewise.
3024         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
3025
3026 2012-04-12  David S. Miller  <davem@davemloft.net>
3027
3028         * sparc.cc (Reloc::wdisp10): New relocation method.
3029         (Reloc::h34): Likewise.
3030         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
3031         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
3032         R_SPARC_WDISP10.
3033         (Target_sparc::Scan::local): Likewise.
3034         (Target_sparc::Scan::global): Likewise.
3035         (Target_sparc::Relocate::relocate): Likewise.
3036
3037 2012-04-09  Cary Coutant  <ccoutant@google.com>
3038
3039         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
3040         low_pc == 0.
3041
3042 2012-04-06  Ian Lance Taylor  <iant@google.com>
3043
3044         * timer.cc: #include <unistd.h>.
3045
3046 2012-04-06  Roland McGrath  <mcgrathr@google.com>
3047
3048         * configure.in (AC_CHECK_HEADERS): Add locale.h.
3049         * config.in: Regenerate.
3050         * configure: Regenerate.
3051
3052 2012-04-05  Nick Clifton  <nickc@redhat.com>
3053
3054         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
3055         (AM_LC_MESSAGES): Add.
3056         * aclocal.m4: Regenerate.
3057         * config.in: Regenerate.
3058         * configure: Regenerate.
3059
3060 2012-03-21  Cary Coutant  <ccoutant@google.com>
3061
3062         * Makefile.am: Add gdb-index.cc, gdb-index.h.
3063         * Makefile.in: Regenerate.
3064         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
3065         (Sized_elf_reloc_mapper::symbol_section): New function.
3066         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
3067         (make_elf_reloc_mapper): New function.
3068         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
3069         (Dwarf_abbrev_table::do_read_abbrevs): New function.
3070         (Dwarf_abbrev_table::do_get_abbrev): New function.
3071         (Dwarf_ranges_table::read_ranges_table): New function.
3072         (Dwarf_ranges_table::read_range_list): New function.
3073         (Dwarf_pubnames_table::read_section): New function.
3074         (Dwarf_pubnames_table::read_header): New function.
3075         (Dwarf_pubnames_table::next_name): New function.
3076         (Dwarf_die::Dwarf_die): New function.
3077         (Dwarf_die::read_attributes): New function.
3078         (Dwarf_die::skip_attributes): New function.
3079         (Dwarf_die::set_name): New function.
3080         (Dwarf_die::set_linkage_name): New function.
3081         (Dwarf_die::attribute): New function.
3082         (Dwarf_die::string_attribute): New function.
3083         (Dwarf_die::int_attribute): New function.
3084         (Dwarf_die::uint_attribute): New function.
3085         (Dwarf_die::ref_attribute): New function.
3086         (Dwarf_die::child_offset): New function.
3087         (Dwarf_die::sibling_offset): New function.
3088         (Dwarf_info_reader::check_buffer): New function.
3089         (Dwarf_info_reader::parse): New function.
3090         (Dwarf_info_reader::do_parse): New function.
3091         (Dwarf_info_reader::do_read_string_table): New function.
3092         (Dwarf_info_reader::lookup_reloc): New function.
3093         (Dwarf_info_reader::get_string): New function.
3094         (Dwarf_info_reader::visit_compilation_unit): New function.
3095         (Dwarf_info_reader::visit_type_unit): New function.
3096         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
3097         Sized_elf_reloc_mapper.
3098         (Sized_dwarf_line_info::symbol_section): Remove function.
3099         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
3100         (Sized_dwarf_line_info::read_line_mappings): Remove object
3101         parameter, adjust callers.
3102         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
3103         * dwarf_reader.h: Include <sys/types.h>.
3104         (class Track_relocs): Remove forward declaration.
3105         (class Elf_reloc_mapper): New class.
3106         (class Sized_elf_reloc_mapper): New class.
3107         (class Dwarf_abbrev_table): New class.
3108         (class Dwarf_range_list): New class.
3109         (class Dwarf_ranges_table): New class.
3110         (class Dwarf_pubnames_table): New class.
3111         (class Dwarf_die): New class.
3112         (class Dwarf_info_reader): New class.
3113         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
3114         (Sized_dwarf_line_info::symbol_section): Remove member function.
3115         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
3116         base class.
3117         * gdb-index.cc: New source file.
3118         * gdb-index.h: New source file.
3119         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
3120         and .debug_types sections, call Layout::add_to_gdb_index.
3121         (Sized_relobj_incr::do_section_name): Implement.
3122         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
3123         return type; Implement.
3124         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
3125         return type.
3126         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
3127         parameter list and return type.
3128         (Sized_incr_dynobj::do_section_contents): Likewise.
3129         * layout.cc: Include gdb-index.h.
3130         (Layout::Layout): Initialize gdb_index_data_.
3131         (Layout::init_fixed_output_section): Check for .gdb_index section.
3132         (Layout::add_to_gdb_index): New function. Instantiate.
3133         * layout.h: Add forward declaration for class Gdb_index.
3134         (Layout::add_to_gdb_index): New member function.
3135         (Layout::gdb_index_data_): New data member.
3136         * main.cc: Include gdb-index.h.
3137         (main): Print statistics for gdb index.
3138         * object.cc (Object::section_contents): Move code into
3139         do_section_contents.
3140         (need_decompressed_section): Check for sections needed when building
3141         gdb index.
3142         (build_compressed_section_map): Likewise.
3143         (Sized_relobj_file::do_read_symbols): Need local symbols when building
3144         gdb index.
3145         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
3146         sections; call Layout::add_to_gdb_index.
3147         (Sized_relobj_file::do_decompressed_section_contents): Call
3148         do_section_contents directly.
3149         * object.h (Object::do_section_contents): Adjust parameter list and
3150         return type.
3151         (Object::do_decompressed_section_contents): Call do_section_contents
3152         directly.
3153         (Sized_relobj_file::do_section_contents): Adjust parameter list and
3154         return type.
3155         * options.h (class General_options): Add --gdb-index option.
3156         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
3157         list and return type.
3158         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
3159         * reloc.h (Track_relocs::checkpoint): New function.
3160         (Track_relocs::reset): New function.
3161
3162         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
3163         New test cases.
3164         * testsuite/Makefile.in: Regenerate.
3165         * testsuite/gdb_index_test.cc: New test source file.
3166         * testsuite/gdb_index_test_1.sh: New test source file.
3167         * testsuite/gdb_index_test_2.sh: New test source file.
3168
3169 2012-03-19  Doug Kwan  <dougkwan@google.com>
3170
3171         * arm.cc (Target_arm::do_define_standard_symbols): New method.
3172         (Target_arm::do_finalize_sections): Remove code which defines
3173         __exidx_start and __exidx_end.  Make symbol table parameter
3174         anonymous as it is not used.
3175         * gold.cc (queue_middle_tasks): Call target hook to define any
3176         target-specific symbols.
3177         * target.h (Target::define_standard_symbols): New method.
3178         (Target::do_define_standard_symbols): Same.
3179         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
3180         * testsuite/Makefile.in: Regenerate.
3181         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
3182         and __exidx_end.
3183         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
3184         relocations are generated for __exidx_start and __exidx_end.
3185
3186 2012-03-16  Doug Kwan  <dougkwan@google.com>
3187
3188         * testsuite/Makefile.am: Disable test initpri3b.
3189         * testsuite/Makefile.in: Regenerate.
3190
3191 2012-03-15  Doug Kwan  <dougkwan@google.com>
3192
3193         * arm.cc (Target_arm::got_section): Make .got section read-only
3194         if -z now is given.
3195
3196 2012-03-15  Ian Lance Taylor  <iant@google.com>
3197
3198         PR gold/13850
3199         * layout.cc (Layout::make_output_section): Correctly mark
3200         SHT_INIT_ARRAY, et. al., as relro.
3201
3202 2012-03-14  Doug Kwan  <dougkwan@google.com>
3203
3204         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
3205         dynamic relocations for protected symbols in shared objects.
3206
3207 2012-03-13  Ian Lance Taylor  <iant@google.com>
3208
3209         * resolve.cc (Symbol_table::resolve): When merging common symbols,
3210         keep the larger alignment.
3211
3212 2012-03-12  Cary Coutant  <ccoutant@google.com>
3213
3214         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
3215         handling of DW_LNE_define_file.
3216
3217 2012-03-12  Cary Coutant  <ccoutant@google.com>
3218
3219         * reduced_debug_output.cc
3220         (Output_reduced_debug_info_section::get_die_end): Add new FORM
3221         codes to switch.
3222
3223 2012-02-29  Cary Coutant  <ccoutant@google.com>
3224
3225         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
3226
3227 2012-02-29  Cary Coutant  <ccoutant@google.com>
3228
3229         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3230         Call Object::decompressed_section_contents.
3231         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
3232         New dtor.
3233         (Sized_dwarf_line_info::buffer_start_): New data member.
3234         * merge.cc (Output_merge_data::do_add_input_section): Call
3235         Object::decompressed_section_contents.
3236         (Output_merge_string::do_add_input_section): Likewise.
3237         * object.cc (need_decompressed_section): New function.
3238         (build_compressed_section_map): Decompress sections needed later.
3239         (Sized_relobj_file::do_decompressed_section_contents): New function.
3240         (Sized_relobj_file::do_discard_decompressed_sections): New function.
3241         * object.h (Object::decompressed_section_contents): New function.
3242         (Object::discard_decompressed_sections): New function.
3243         (Object::do_decompressed_section_contents): New function.
3244         (Object::do_discard_decompressed_sections): New function.
3245         (Compressed_section_info): New type.
3246         (Compressed_section_map): Include decompressed section contents.
3247         (Sized_relobj_file::do_decompressed_section_contents): New function.
3248         (Sized_relobj_file::do_discard_decompressed_sections): New function.
3249
3250 2012-02-16  Cary Coutant  <ccoutant@google.com>
3251
3252         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
3253         * testsuite/Makefile.in: Regenerate.
3254
3255 2012-02-14  Cary Coutant  <ccoutant@google.com>
3256
3257         * options.cc (General_options::finalize): Disallow -pie and -static.
3258
3259 2012-02-03  Doug Kwan  <dougkwan@google.com>
3260
3261         * arm.cc (Arm_relocate_functions::abs8,
3262         Arm_relocate_functions::abs16): Use
3263         Bits::has_signed_unsigned_overflow32.
3264         (Arm_relocate_functions::thm_abs8): Correct range of
3265         overflow check.
3266         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
3267         in assertions.
3268
3269 2012-02-02  Doug Kwan  <dougkwan@google.com>
3270
3271         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
3272         position independent outputs, not just shared objects.
3273
3274 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
3275
3276         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
3277         * configure: Regenerated.
3278
3279 2012-01-27  Ian Lance Taylor  <iant@google.com>
3280
3281         * reloc.h (Bits): New class with static functions, copied from
3282         namespace utils in arm.cc.
3283         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
3284         instead.
3285
3286 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
3287
3288         * incremental.cc (write_info_blocks): Correct relocation offset.
3289
3290 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
3291
3292         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
3293         (Relocate::tls_gd_to_le): Likewise.
3294
3295 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
3296
3297         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
3298
3299 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
3300
3301         * configure.ac: Check if -mcmodel=medium works.
3302         * configure: Regenerated.
3303
3304 2012-01-24  Cary Coutant  <ccoutant@google.com>
3305
3306         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
3307         definition and ...
3308         (read_unsigned_LEB_128_x): ... this new function.
3309         (read_signed_LEB_128): Replaced with inline definition and ...
3310         (read_signed_LEB_128_x): ... this new function.
3311         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
3312         (read_unsigned_LEB_128): Add inline definition.
3313         (read_signed_LEB_128_x): New function.
3314         (read_signed_LEB_128): Add inline definition.
3315         * testsuite/Makefile.am (leb128_unittest): New unit test.
3316         * testsuite/Makefile.in: Regenerate.
3317         * testsuite/leb128_unittest.cc: New unit test.
3318
3319 2012-01-23  Ian Lance Taylor  <iant@google.com>
3320
3321         PR gold/13617
3322         * i386.cc (Target_i386::do_code_fill): When using a jmp
3323         instruction, pad with nop instructions.
3324         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
3325
3326 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
3327
3328         * x86_64.cc (gc_process_relocs): Add typename on types used in
3329         template.
3330         (scan_relocs): Likewise.
3331         (relocate_section): Likewise.
3332         (apply_relocation): Likewise.
3333
3334 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
3335
3336         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
3337         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
3338         under x32.
3339
3340 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
3341
3342         * x86_64.cc: Initial support for x32.
3343
3344 2012-01-03  Cary Coutant  <ccoutant@google.com>
3345
3346         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
3347         Use abstract base class for GOT.
3348         * gold/output.h (class Output_data_got_base): New abstract base class.
3349         (class Output_data_got): Derive from new base class, adjust ctors.
3350         (Output_data_got::reserve_slot): Make virtual; rename to
3351         do_reserve_slot; Adjust callers.
3352         * gold/target.h (Sized_target::init_got_plt_for_update): Return
3353         pointer to abstract base class.
3354         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
3355
3356 2011-12-18  Ian Lance Taylor  <iant@google.com>
3357
3358         * object.h (Relobj::local_symbol_value): New function.
3359         (Relobj::local_plt_offset): New function.
3360         (Relobj::local_has_got_offset): New function.
3361         (Relobj::local_got_offset): New function.
3362         (Relobj::set_local_got_offset): New function.
3363         (Relobj::do_local_symbol_value): New pure virtual function.
3364         (Relobj::do_local_plt_offset): Likewise.
3365         (Relobj::do_local_has_got_offset): Likewise.
3366         (Relobj::do_local_got_offset): Likewise.
3367         (Relobj::do_set_local_got_offset): Likewise.
3368         (Sized_relobj::do_local_has_got_offset): Rename from
3369         local_has_got_offset.
3370         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
3371         (Sized_relobj::do_set_local_got_offset): Rename from
3372         set_local_got_offset.
3373         (Sized_relobj_file::do_local_plt_offset): Rename from
3374         local_plt_offset.
3375         (Sized_relobj_file::do_local_symbol_value): New function.
3376         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
3377         local_plt_offset.
3378         * output.cc (Output_data_got::Got_entry::write): Change object to
3379         Relobj.  Use local_symbol_value.
3380         (Output_data_got::add_global_with_rel): Change rel_dyn to
3381         Output_data_reloc_generic*.  Use add_global_generic.
3382         (Output_data_got::add_global_with_rela): Remove.  Change all
3383         callers to use add_global_with_rel.
3384         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
3385         Output_data_reloc_generic*.  Use add_global_generic.
3386         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
3387         callers to use add_global_pair_with_rel.
3388         (Output_data_got::add_local): Change object to Relobj*.
3389         (Output_data_got::add_local_plt): Likewise.
3390         (Output_data_got::add_local_with_rel): Change object to Relobj*,
3391         change rel_dyn to Output_data_reloc_generic*.  Use
3392         add_local_generic.
3393         (Output_data_got::add_local_with_rela): Remove.  Change all
3394         callers to use all_local_with_rel.
3395         (Output_data_got::add_local_pair_with_rel): Change object to
3396         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
3397         add_output_section_generic.
3398         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
3399         callers to use add_local_pair_with_rel.
3400         (Output_data_got::reserve_local): Change object to Relobj*.
3401         * output.h: (class Output_data_reloc_generic): Add pure virtual
3402         declarations for add_global_generic, add_local_generic,
3403         add_output_section_generic.
3404         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
3405         functions for Output_data_reloc_generic.  Update declarations for
3406         changes listed in output.cc.
3407         (class Output_data_got): Change template parameter to got_size.
3408         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
3409         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
3410         function.
3411         (Sized_relobj_incr::do_local_plt_offset): New function.
3412         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
3413         add_global_generic.
3414
3415 2011-12-17  Cary Coutant  <ccoutant@google.com>
3416
3417         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
3418         * resolve.cc (Symbol_table::resolve): Likewise.
3419         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
3420         arrays.
3421         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
3422
3423 2011-12-16  Ian Lance Taylor  <iant@google.com>
3424
3425         * output.h (Output_data_reloc_generic::add): Only call
3426         add_dynamic_reloc if this is a dynamic reloc section.
3427
3428 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
3429
3430         PR gold/13505
3431         * target-reloc.h (apply_relocation): Replace <64, false> with
3432         <size, big_endian>.
3433
3434 2011-11-25  Nick Clifton  <nickc@redhat.com>
3435
3436         * po/it.po: New Italian translation.
3437
3438 2011-11-17  Sterling Augustine  <saugustine@google.com>
3439
3440         * script.cc (script_include_directive): Implement.
3441         (read_script_file): New local variables name and search_path. Update
3442         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
3443         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
3444         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
3445
3446 2011-11-11  Sterling Augustine  <saugustine@google.com>
3447
3448         * yyscript.y (section_cmd): Add support for INCLUDE directive.
3449         (file_or_sections_cmd): Likewise.
3450
3451 2011-11-11  Doug Kwan  <dougkwan@google.com>
3452
3453         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
3454         if --just-symbols is given.
3455
3456 2011-11-10  Doug Kwan  <dougkwan@google.com>
3457
3458         PR gold/13362
3459         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
3460         when processing data relocs.
3461         * reloc.h (Relocate_functions::rel_unaligned): New method.
3462         (Relocate_functions::pcrel_unaligned): Ditto.
3463         (Relocate_functions::rel32_unaligned): Ditto.
3464         (Relocate_functions::pcrel32_unaligned): Ditto.
3465
3466 2011-11-09  Doug Kwan  <dougkwan@google.com>
3467
3468         PR gold/13362
3469         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
3470         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
3471         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
3472         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
3473         (Relocate_functions::rel_unaligned): New.
3474         (Relocate_functions::rel32_unaligned): New.
3475         * target-reloc.h (relocate_for_relocatable): Add code to handle
3476         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
3477         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
3478         arm_unaligned_reloc_r): New targets.
3479         * testsuite/Makefile.in: Regenerate.
3480         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
3481         linking.
3482
3483 2011-11-02  Ian Lance Taylor  <iant@google.com>
3484
3485         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
3486         NATIVE_LINKER.
3487         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
3488         * options.cc (General_options::finalize): Use library search path
3489         from configure script if specified.  If not native and no sysroot,
3490         only search TOOLLIBDIR.
3491         * options.h (Search_directory::Search_directory): Change name to
3492         const std::string&.
3493         (General_options::add_to_library_path_with_sysroot): Change arg to
3494         const std::string&.
3495         * configure, Makefile.in, config.in: Rebuild.
3496
3497 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3498
3499         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
3500         we are working around the ARM1176 Erratum.
3501         * options.h (General_options::fix_arm1176): Add option.
3502         * testsuite/Makefile.am: Add testcases, and keep current ones
3503         working.
3504         * testsuite/Makefile.in: Regenerate.
3505         * testsuite/arm_fix_1176.s: New file.
3506         * testsuite/arm_fix_1176.sh: Likewise.
3507
3508 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3509
3510         * arm.cc (Target_arm::Target_arm): Remove initialisation of
3511         may_use_blx_.
3512         (Target_arm::may_use_blx): Remove method.
3513         (Target_arm::set_may_use_blx): Likewise.
3514         (Target_arm::may_use_v4t_interworking): New method.
3515         (Target_arm::may_use_v5t_interworking): Likewise.
3516         (Target_arm::may_use_blx_): Remove member variable.
3517         (Arm_relocate_functions::arm_branch_common): Check for v5T
3518         interworking.
3519         (Arm_relocate_functions::thumb_branch_common): Likewise.
3520         (Reloc_stub::stub_type_for_reloc): Likewise.
3521         (Target_arm::do_finalize_sections): Correct interworking checks.
3522         * testsuite/Makefile.am: Add new tests.
3523         * testsuite/Makefile.in: Regenerate.
3524         * testsuite/arm_farcall_arm_arm.s: New test.
3525         * testsuite/arm_farcall_arm_arm.sh: Likewise.
3526         * testsuite/arm_farcall_arm_thumb.s: Likewise.
3527         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
3528         * testsuite/arm_farcall_thumb_arm.s: Likewise.
3529         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
3530         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
3531         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
3532
3533 2011-10-31  Cary Coutant  <ccoutant@google.com>
3534
3535         PR gold/13023
3536         * expression.cc (Expression::eval_with_dot): Add
3537         is_section_dot_assignment parameter.
3538         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
3539         absolute and assigning to dot within a section.
3540         * script-sections.cc
3541         (Output_section_element_assignment::set_section_addresses): Pass
3542         dot_section to set_if_absolute.
3543         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
3544         as is_section_dot_assignment flag to eval_with_dot.
3545         (Output_section_element_dot_assignment::set_section_addresses):
3546         Likewise.
3547         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
3548         parameter.  Also set value if relative to dot_section; set the
3549         symbol's output_section.
3550         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
3551         parameter.  Adjust all callers.
3552         (Expression::eval_maybe_dot): Likewise.
3553         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
3554         Adjust all callers.
3555         * testsuite/script_test_2.t: Test assignment of an absolute value
3556         to dot within an output section element.
3557
3558 2011-10-31  Cary Coutant  <ccoutant@google.com>
3559
3560         * options.h (class General_options): Add --[no-]gnu-unique options.
3561         * symtab.cc (Symbol_table::sized_write_globals): Convert
3562         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
3563
3564 2011-10-31  Cary Coutant  <ccoutant@google.com>
3565
3566         PR gold/13359
3567         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
3568         unnecessary assertion.
3569         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
3570
3571 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
3572
3573         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
3574         gc_mark_symbol.
3575         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
3576         gc_mark_symbol.
3577         Change to just keep the section associated with symbol.
3578         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
3579         they are externally visible and --export-dynamic is turned on.
3580         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
3581
3582 2011-10-19  Ian Lance Taylor  <iant@google.com>
3583
3584         PR gold/13163
3585         * script-sections.cc
3586         (Output_section_element_dot_assignment::needs_output_section): New
3587         function.
3588
3589 2011-10-19  Ian Lance Taylor  <iant@google.com>
3590
3591         PR gold/13204
3592         * layout.cc (Layout::segment_precedes): Don't assert failure if a
3593         --section-start option was seen.
3594         * options.h (General_options::any_section_start): New function.
3595
3596 2011-10-18  David S. Miller  <davem@davemloft.net>
3597
3598         PR binutils/13301
3599         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
3600         member to track relocation locations that have moved during TLS
3601         reloc optimizations.
3602         (Target_sparc::Relocate::Relocate): Initialize to NULL.
3603         (Target_sparc::Relocate::relocate): Adjust view down by 4
3604         bytes if it matches reloc_adjust_addr_.
3605         (Target_sparc::Relocate::relocate_tls): Always move the
3606         __tls_get_addr call delay slot instruction forward 4 bytes when
3607         performing relaxation.
3608
3609 2011-10-18  Cary Coutant  <ccoutant@google.com>
3610
3611         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
3612         (Output_file::map_no_anonymous): Check for non-zero
3613         return code from posix_fallocate.
3614
3615 2011-10-17  Cary Coutant  <ccoutant@google.com>
3616
3617         PR gold/13245
3618         * plugin.cc (is_visible_from_outside): Check for symbols
3619         referenced from dynamic objects.
3620         * resolve.cc (Symbol_table::resolve): Don't count references
3621         from dynamic objects as references from real ELF files.
3622         * testsuite/plugin_test_2.sh: Adjust expected result.
3623
3624 2011-10-17  Cary Coutant  <ccoutant@google.com>
3625
3626         * gold.cc: Include timer.h.
3627         (queue_middle_tasks): Stamp time.
3628         (queue_final_tasks): Likewise.
3629         * main.cc (main): Store timer in parameters.  Print timers
3630         for each pass.
3631         * parameters.cc (Parameters::Parameters): Initialize timer_.
3632         (Parameters::set_timer): New function.
3633         (set_parameters_timer): New function.
3634         * parameters.h (Parameters::set_timer): New function.
3635         (Parameters::timer): New function.
3636         (Parameters::timer_): New data member.
3637         (set_parameters_timer): New function.
3638         * timer.cc (Timer::stamp): New function.
3639         (Timer::get_pass_time): New function.
3640         * timer.h (Timer::stamp): New function.
3641         (Timer::get_pass_time): New function.
3642         (Timer::pass_times_): New data member.
3643
3644 2011-10-17  Cary Coutant  <ccoutant@google.com>
3645
3646         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
3647         task for members of lib groups.
3648
3649 2011-10-17  Cary Coutant  <ccoutant@google.com>
3650
3651         PR gold/13288
3652         * fileread.cc (File_read::find_view): Add assert.
3653         (File_read::make_view): Move bounds check (replace with assert)...
3654         (File_read::find_or_make_view): ... to here.
3655
3656 2011-10-12  Cary Coutant  <ccoutant@google.com>
3657
3658         * output.cc (Output_file::open_base_file): Handle case where
3659         ::read returns less than requested size.
3660
3661 2011-10-10  Cary Coutant  <ccoutant@google.com>
3662
3663         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
3664         Initialize defined_count_.
3665         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
3666         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
3667         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
3668         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
3669         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
3670         * incremental.h (Sized_relobj_incr::defined_count_): New data
3671         member.
3672         (Sized_incr_dynobj::defined_count_): New data member.
3673         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
3674         Return zeroes instead of internal error.
3675
3676 2011-10-10  Cary Coutant  <ccoutant@google.com>
3677
3678         PR gold/13249
3679         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
3680         (Output_reloc::symbol_value): Return PLT offset if flag is set.
3681         * output.h (class Output_reloc): Add use_plt_offset flag.
3682         (Output_reloc::type_): Adjust size of bit field.
3683         (Output_reloc::use_plt_offset_): New bit field.
3684         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
3685         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
3686         flag.  Adjust all callers.
3687         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
3688         creating RELATIVE relocations.
3689
3690 2011-10-10  Nick Clifton  <nickc@redhat.com>
3691
3692         * po/es.po: Updated Spanish translation.
3693         * po/fi.po: Updated Finnish translation.
3694
3695 2011-10-03   Diego Novillo  <dnovillo@google.com>
3696
3697         * options.cc (parse_uint): Fix dereference of RETVAL.
3698
3699 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
3700
3701         * layout.h (section_order_map_): New member.
3702         (get_section_order_map): New member function.
3703         * output.cc (Output_section::add_input_section): Check for patterns
3704         only when --section-ordering-file is specified.
3705         * gold.cc (queue_middle_tasks): Delay updating order of sections till
3706         output_sections have been formed.
3707         * layout.cc (Layout_Layout): Initialize section_order_map_.
3708         * plugin.cc (update_section_order): Store order in order_map. Do not
3709         update the order.
3710         * testsuite/Makefile.am: Add test case for plugin_final_layout.
3711         * testsuite/Makefile.in: Regenerate.
3712         * testsuite/plugin_section_order.c: New file.
3713         * testsuite/plugin_final_layout.cc: New file.
3714         * testsuite/plugin_final_layout.sh: New file.
3715
3716 2011-09-29  Cary Coutant  <ccoutant@google.com>
3717
3718         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
3719         Check for NULL.
3720         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
3721         symbols during incremental update.
3722         (Symbol_table::add_from_dynobj): Likewise.
3723
3724 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3725             Ian Lance Taylor  <iant@google.com>
3726
3727         * symtab.cc (Symbol_table::define_special_symbol): Always
3728         canonicalize version string.
3729
3730 2011-09-26  Cary Coutant  <ccoutant@google.com>
3731
3732         * gold.cc (queue_initial_tasks): Move option checks ...
3733         * options.cc (General_options::finalize): ... to here. Disable
3734         some options; make others fatal.
3735
3736 2011-09-26  Cary Coutant  <ccoutant@google.com>
3737
3738         gcc PR lto/47247
3739         * plugin.cc (get_symbols_v2): New function.
3740         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
3741         (is_referenced_from_outside): New function.
3742         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
3743         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
3744         (get_symbols): Pass version parameter.
3745         (get_symbols_v2): New function.
3746         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
3747         parameter.
3748         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
3749         (onload): Add LDPT_GET_SYMBOLS_V2.
3750         (all_symbols_read_hook): Use get_symbols_v2; check for
3751         LDPR_PREVAILING_DEF_IRONLY_EXP.
3752         * testsuite/plugin_test_3.sh: Update expected results.
3753
3754 2011-09-23  Simon Baldwin  <simonb@google.com>
3755
3756         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
3757         configuration options.
3758         * configure: Regenerate.
3759         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
3760         * Makefile.in: Regenerate.
3761         * testsuite/Makefile.in: Regenerate.
3762
3763 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
3764
3765         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
3766
3767 2011-09-19  Cary Coutant  <ccoutant@google.com>
3768
3769         * incremental.cc (can_incremental_update): Fix typo in comment.
3770         * incremental.h (can_incremental_update): Likewise.
3771
3772 2011-09-18  Cary Coutant  <ccoutant@google.com>
3773
3774         * incremental.cc (can_incremental_update): New function.
3775         * incremental.h (can_incremental_update): New function.
3776         * layout.cc (Layout::init_fixed_output_section): Call it.
3777         (Layout::make_output_section): Don't allow patch space in .eh_frame.
3778         * object.cc (Sized_relobj_file::do_layout): Call
3779         can_incremental_update.
3780
3781 2011-09-13  Cary Coutant  <ccoutant@google.com>
3782
3783         * configure.ac: Check for glibc support for gnu_indirect_function
3784         support with static linking, setting automake conditional
3785         IFUNC_STATIC.
3786         * Makefile.in: Regenerate.
3787         * configure: Regenerate.
3788
3789         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
3790         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
3791         for IFUNC_STATIC.
3792         * testsuite/Makefile.in: Regenerate.
3793
3794 2011-09-13  Cary Coutant  <ccoutant@google.com>
3795
3796         * incremental.cc (Sized_relobj_incr::do_layout): Call
3797         report_comdat_group for kept comdat sections.
3798         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
3799         * testsuite/Makefile.in: Regenerate.
3800         * testsuite/incr_comdat_test_1.cc: New source file.
3801         * testsuite/incr_comdat_test_2_v1.cc: New source file.
3802         * testsuite/incr_comdat_test_2_v2.cc: New source file.
3803         * testsuite/incr_comdat_test_2_v3.cc: New source file.
3804
3805 2011-09-13  Ian Lance Taylor  <iant@google.com>
3806
3807         * object.cc (Sized_relobj_file::do_layout): Remove unused local
3808         variable external_symbols_offset.
3809
3810 2011-09-12  Ian Lance Taylor  <iant@google.com>
3811
3812         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
3813         triggered if object has no symbols.
3814
3815 2011-09-09  David S. Miller  <davem@davemloft.net>
3816
3817         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
3818         (Output_fill_debug_line::do_write): Likewise.
3819
3820 2011-08-29  Cary Coutant  <ccoutant@google.com>
3821
3822         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
3823         casts to match formatting specs.
3824         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
3825
3826 2011-08-26  Cary Coutant  <ccoutant@google.com>
3827
3828         * layout.cc (Free_list::allocate): Provide guarantee of minimum
3829         remaining hole size when allocating.
3830         (Layout::make_output_section): Set fill methods for debug sections.
3831         * layout.h (Free_list::Free_list_node): Move from private to
3832         public.
3833         (Free_list::set_min_hole_size): New function.
3834         (Free_list::begin, Free_list::end): New functions.
3835         (Free_list::min_hole_): New data member.
3836         * output.cc: Include dwarf.h.
3837         (Output_fill_debug_info::do_minimum_hole_size): New function.
3838         (Output_fill_debug_info::do_write): New function.
3839         (Output_fill_debug_line::do_minimum_hole_size): New function.
3840         (Output_fill_debug_line::do_write): New function.
3841         (Output_section::Output_section): Initialize new data member.
3842         (Output_section::set_final_data_size): Ensure patch space is larger
3843         than minimum hole size.
3844         (Output_section::do_write): Fill holes in debug sections.
3845         * output.h (Output_fill): New class.
3846         (Output_fill_debug_info): New class.
3847         (Output_fill_debug_line): New class.
3848         (Output_section::set_free_space_fill): New function.
3849         (Output_section::free_space_fill_): New data member.
3850         * testsuite/Makefile.am (incremental_test_3): Add
3851         --incremental-patch option.
3852         (incremental_test_4): Likewise.
3853         (incremental_test_5): Likewise.
3854         (incremental_test_6): Likewise.
3855         (incremental_copy_test): Likewise.
3856         (incremental_common_test_1): Likewise.
3857         * testsuite/Makefile.in: Regenerate.
3858
3859 2011-08-26  Nick Clifton  <nickc@redhat.com>
3860
3861         * po/es.po: Updated Spanish translation.
3862
3863 2011-08-01  Cary Coutant  <ccoutant@google.com>
3864
3865         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
3866         * gold/testsuite/Makefile.in: Regenerate.
3867         * gold/testsuite/justsyms_exec.c: New source file.
3868         * gold/testsuite/justsyms_lib.c: New source file.
3869
3870 2011-08-01  Cary Coutant  <ccoutant@google.com>
3871
3872         * layout.cc (Layout::set_segment_offsets): Don't realign text
3873         segment if -Ttext was specified.
3874         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
3875         file type.
3876         * object.h (Sized_relobj_file::e_type): New function.
3877         (Sized_relobj_file::e_type_): New data member.
3878         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
3879         base address for ET_EXEC files.
3880         * target.cc (Target::do_make_elf_object_implementation): Allow
3881         ET_EXEC files with --just-symbols option.
3882
3883 2011-07-28  Cary Coutant  <ccoutant@google.com>
3884
3885         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
3886         Add thread_number parameter.
3887         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
3888         * workqueue-threads.cc
3889         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
3890         current thread if its thread number is greater than desired thread
3891         count.
3892         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
3893         Add thread_number parameter.
3894         (Workqueue::should_cancel_thread): Likewise.
3895         (Workqueue::find_runnable_or_wait): Pass thread_number to
3896         should_cancel_thread.
3897         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
3898         parameter.
3899
3900 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
3901
3902         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
3903         only after checking if it cannot be forced local.
3904         * symtab.h (is_externally_visible): Check if the symbol is not forced
3905         local.
3906
3907 2011-07-15  Ian Lance Taylor  <iant@google.com>
3908
3909         * options.h (class General_options): Add --print-output-format.
3910         Move -EL next to -EB, for  better --help output.
3911         * target-select.cc: Include <cstdio>, "options.h", and
3912         "parameters.h".
3913         (Target_selector::do_target_bfd_name): New function.
3914         (print_output_format): New function.
3915         * target-select.h (class Target_selector): Update declarations.
3916         (Target_selector::target_bfd_name): New function.
3917         (print_output_format): Declare.
3918         * main.cc: Include "target-select.h".
3919         (main): Handle --print-output-format.
3920         * gold.cc: Include "target-select.h".
3921         (queue_initial_tasks): Handle --print-output-format when there are
3922         no input files.
3923         * parameters.cc (parameters_force_valid_target): Give a better
3924         error message if -EB/-EL does not match target.
3925         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
3926         function.
3927
3928 2011-07-15  Ian Lance Taylor  <iant@google.com>
3929
3930         * i386.cc (class Output_data_plt_i386): Add layout_ field.
3931         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
3932         (Output_data_plt_i386::do_write): Write address of .dynamic
3933         section to first entry in .got.plt section.
3934         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
3935         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
3936         Initialize layout_.
3937         (Output_data_plt_x86_64::do_write): Write address of .dynamic
3938         section to first entry in .got.plt section.
3939         * layout.h (Layout::dynamic_section): New function.
3940
3941 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
3942
3943         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
3944         to claim_file call.
3945         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
3946         input_section_position_, and input_section_glob_.
3947         (read_layout_from_file): Call function section_ordering_specified.
3948         * layout.h (is_section_ordering_specified): New function.
3949         (section_ordering_specified): New function.
3950         (section_ordering_specified_): New boolean member.
3951         * main.cc(main): Call load_plugins after layout object is defined.
3952         * output.cc (Output_section::add_input_section): Use
3953         function section_ordering_specified to check if section ordering is
3954         needed.
3955         * output.cc (Output_section::add_relaxed_input_section): Use
3956         function section_ordering_specified to check if section ordering is
3957         needed.
3958         (Output_section::update_section_layout): New function.
3959         (Output_section::sort_attached_input_sections): Check if input section
3960         must be reordered.
3961         * output.h (Output_section::update_section_layout): New function.
3962         * plugin.cc (get_section_count): New function.
3963         (get_section_type): New function.
3964         (get_section_name): New function.
3965         (get_section_contents): New function.
3966         (update_section_order): New function.
3967         (allow_section_ordering): New function.
3968         (Plugin::load): Add the new interfaces to the transfer vector.
3969         (Plugin_manager::load_plugins): New parameter.
3970         (Plugin_manager::all_symbols_read): New parameter.
3971         (Plugin_manager::claim_file): New parameter. Save the elf object for
3972         unclaimed objects.
3973         (Plugin_manager::get_elf_object): New function.
3974         (Plugin_manager::get_view): Change to directly use the bool to check
3975         if get_view is called from claim_file_hook.
3976         * plugin.h (input_objects): New function
3977         (Plugin__manager::load_plugins): New parameter.
3978         (Plugin_manager::claim_file): New parameter.
3979         (Plugin_manager::get_elf_object): New function.
3980         (Plugin_manager::in_claim_file_handler): New function.
3981         (Plugin_manager::in_claim_file_handler_): New member.
3982         (layout): New function.
3983         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
3984         handler with an extra parameter. Make the elf object before calling
3985         claim_file handler.
3986         * testsuite/plugin_test.c (get_section_count): New function pointer.
3987         (get_section_type): New function pointer.
3988         (get_section_name): New function pointer.
3989         (get_section_contents): New function pointer.
3990         (update_section_order): New function pointer.
3991         (allow_section_ordering): New function pointer.
3992         (onload): Check if the new interfaces exist.
3993
3994 2011-07-13  Ian Lance Taylor  <iant@google.com>
3995
3996         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
3997         relro section.
3998         * x86_64.cc (Target_x86_64::got_section): Likewise.
3999         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
4000         (relro_now_test_SOURCES): New variable.
4001         (relro_now_test_DEPENDENCIES): New variable.
4002         (relro_now_test_LDFLAGS): New variable.
4003         (relro_now_test_LDADD): New variable.
4004         (relro_now_test.so): New target.
4005         * testsuite/Makefile.in: Rebuild.
4006
4007 2011-07-12  Ian Lance Taylor  <iant@google.com>
4008
4009         PR gold/12980
4010         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
4011         GLOB_DAT relocation rather than a RELATIVE relocation for a
4012         protected symbol when creating a shared library.
4013         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
4014         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
4015         * testsuite/protected_main_1.cc (main): Test that protected
4016         function has same address.
4017
4018 2011-07-11  Ian Lance Taylor  <iant@google.com>
4019
4020         PR gold/12979
4021         * options.h (class General_options): Add -Bgroup.
4022         * options.cc (General_options::finalize): If -Bgroup is set,
4023         default to --unresolved-symbols=report-all.
4024         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
4025         * target-reloc.h (issue_undefined_symbol_error): Handle
4026         --unresolved-symbols=report-all.
4027
4028 2011-07-08  Ian Lance Taylor  <iant@google.com>
4029
4030         PR gold/11985
4031         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
4032         if linker script discards key sections.
4033         (Layout::create_dynamic_symtab): Likewise.
4034         (Layout::assign_local_dynsym_offsets): Likewise.
4035         (Layout::sized_create_version_sections): Likewise.
4036         (Layout::create_interp): Likewise.
4037         (Layout::finish_dynamic_section): Likewise.
4038         (Layout::set_dynamic_symbol_size): Likewise.
4039
4040 2011-07-08  Ian Lance Taylor  <iant@google.com>
4041
4042         PR gold/12386
4043         * options.h (class General_options): Add --unresolved-symbols.
4044         * target-reloc.h (issue_undefined_symbol_error): Check
4045         --unresolved-symbols.  Add comments.
4046
4047 2011-07-08  Ian Lance Taylor  <iant@google.com>
4048
4049         * testsuite/odr_violation2.cc (Ordering::operator()): Make
4050         expression more complex.
4051
4052 2011-07-08  Ian Lance Taylor  <iant@google.com>
4053
4054         PR gold/11317
4055         * target-reloc.h (issue_undefined_symbol_error): New inline
4056         function, broken out of relocate_section.
4057         (relocate_section): Call issue_undefined_symbol_error.
4058         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
4059         there is no TLS segment if we are about to issue an undefined
4060         symbol error.
4061         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
4062
4063 2011-07-08  Ian Lance Taylor  <iant@google.com>
4064
4065         PR gold/12279
4066         * resolve.cc (Symbol_table::should_override): Add fromtype
4067         parameter.  Change all callers.  Give error when linking together
4068         TLS and non-TLS symbol.
4069         (Symbol_table::should_override_with_special): Add fromtype
4070         parameter.  Change all callers.
4071         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
4072         there is no TLS segment if we have reported some errors.
4073         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
4074
4075 2011-07-08  Ian Lance Taylor  <iant@google.com>
4076
4077         PR gold/12372
4078         * target.h (Target::plt_address_for_global): New function.
4079         (Target::plt_address_for_local): New function.
4080         (Target::plt_section_for_global): Remove.
4081         (Target::plt_section_for_local): Remove.
4082         (Target::do_plt_address_for_global): New virtual function.
4083         (Target::do_plt_address_for_local): New virtual function.
4084         (Target::do_plt_section_for_global): Remove.
4085         (Target::do_plt_section_for_local): Remove.
4086         (Target::register_global_plt_entry): Add Symbol_table and Layout
4087         parameters.
4088         * output.cc (Output_data_got::Got_entry::write): Use
4089         plt_address_for_global and plt_address_for_local.
4090         * layout.cc (Layout::add_target_dynamic_tags): Use size and
4091         address of output section.
4092         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
4093         got_irelative_, and irelative_count_ fields.  Update
4094         declarations.
4095         (Output_data_plt_i386::has_irelative_section): New function.
4096         (Output_data_plt_i386::entry_count): Add irelative_count_.
4097         (Output_data_plt_i386::set_final_data_size): Likewise.
4098         (class Target_i386): Add got_irelative_ and rel_irelative_
4099         fields.  Update declarations.
4100         (Target_i386::Target_i386): Initialize new fields.
4101         (Target_i386::do_plt_address_for_global): New function replacing
4102         do_plt_section_for_global.
4103         (Target_i386::do_plt_address_for_local): New function replacing
4104         do_plt_section_for_local.
4105         (Target_i386::got_section): Create got_irelative_.
4106         (Target_i386::rel_irelative_section): New function.
4107         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
4108         fields.  Don't define __rel_iplt_{start,end}.
4109         (Output_data_plt_i386::add_entry): Add symtab and layout
4110         parameters.  Change all callers.  Use different PLT and GOT for
4111         IFUNC symbols.
4112         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
4113         layout parameters.  Change all callers.  Use different PLT and
4114         GOT.
4115         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
4116         (Output_data_plt_i386::rel_irelative): New function.
4117         (Output_data_plt_i386::address_for_global): New function.
4118         (Output_data_plt_i386::address_for_local): New function.
4119         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
4120         IRELATIVE GOT when changing IFUNC GOT entries.
4121         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
4122         reloc.
4123         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
4124         if we didn't create an IRELATIVE GOT.
4125         (Target_i386::Relocate::relocate): Use plt_address_for_global and
4126         plt_address_for_local.
4127         (Target_i386::do_dynsym_value): Use plt_address_for_global.
4128         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
4129         got_irelative_, and irelative_count_ fields.  Update
4130         declarations.
4131         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
4132         Initialize new fields.  Remove symtab parameter.  Change all
4133         callers.
4134         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
4135         irelative_count_.
4136         (Output_data_plt_x86_64::has_irelative_section): New function.
4137         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
4138         (class Target_x86_64): Add got_irelative_ and rel_irelative_
4139         fields.  Update declarations.
4140         (Target_x86_64::Target_x86_64): Initialize new fields.
4141         (Target_x86_64::do_plt_address_for_global): New function replacing
4142         do_plt_section_for_global.
4143         (Target_x86_64::do_plt_address_for_local): New function replacing
4144         do_plt_section_for_local.
4145         (Target_x86_64::got_section): Create got_irelative_.
4146         (Target_x86_64::rela_irelative_section): New function.
4147         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
4148         all callers.  Don't create __rel_iplt_{start,end}.
4149         (Output_data_plt_x86_64::add_entry): Add symtab and layout
4150         parameters.  Change all callers.  Use different PLT and GOT for
4151         IFUNC symbols.
4152         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
4153         layout parameters.  Change all callers.  Use different PLT and
4154         GOT.
4155         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
4156         parameters.  Change all callers.  Use different PLT and GOT for
4157         IFUNC symbols.
4158         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
4159         (Output_data_plt_x86_64::rela_irelative): New function.
4160         (Output_data_plt_x86_64::address_for_global): New function.
4161         (Output_data_plt_x86_64::address_for_local): New function.
4162         (Output_data_plt_x86_64::set_final_data_size): Likewise.
4163         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
4164         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
4165         (Target_x86_64::register_global_plt_entry): Add symtab and layout
4166         parameters.
4167         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
4168         reloc.
4169         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
4170         symbols if we didn't create an IRELATIVE GOT.
4171         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
4172         plt_address_for_local.
4173         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
4174         * testsuite/ifuncvar1.c: New test file.
4175         * testsuite/ifuncvar2.c: New test file.
4176         * testsuite/ifuncvar3.c: New test file.
4177         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
4178         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
4179         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
4180         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
4181         * testsuite/Makefile.in: Rebuild.
4182
4183 2011-07-07  Cary Coutant  <ccoutant@google.com>
4184
4185         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
4186         (two_file_test_1_ndebug.o): Likewise.
4187         (two_file_test_1b_ndebug.o): Likewise.
4188         (two_file_test_2_ndebug.o): Likewise.
4189         (two_file_test_main_ndebug.o): Likewise.
4190         (incremental_test_2): Link with no-debug versions.
4191
4192 2011-07-06  Cary Coutant  <ccoutant@google.com>
4193
4194         * gold/incremental.cc
4195         (Output_section_incremental_inputs::write_info_blocks): Check for
4196         hidden and internal symbols.
4197
4198 2011-07-06  Cary Coutant  <ccoutant@google.com>
4199
4200         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
4201         Check disposition for startup file.
4202         (Incremental_inputs::report_command_line): Ignore
4203         --incremental-startup-unchanged option.
4204         * options.cc (General_options::parse_incremental_startup_unchanged):
4205         New function.
4206         (General_options::General_options): Initialize new data member.
4207         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
4208         (General_options): Add --incremental-startup-unchanged option.
4209         (General_options::incremental_startup_disposition): New function.
4210         (General_options::incremental_startup_disposition_): New data member.
4211
4212 2011-07-06  Cary Coutant  <ccoutant@google.com>
4213
4214         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
4215         input file index to Script_info ctor.
4216         (Sized_incremental_binary::do_file_has_changed): Find the
4217         command-line argument for files named in scripts.
4218         * incremental.h (Script_info::Script_info): New ctor
4219         with input file index.
4220         (Script_info::input_file_index): New function.
4221         (Script_info::input_file_index_): New data member.
4222         (Incremental_binary::get_library): Add const.
4223         (Incremental_binary::get_script_info): Add const.
4224         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
4225         * testsuite/Makefile.am (incremental_test_5): New test case.
4226         (incremental_test_6): New test case.
4227         * testsuite/Makefile.in: Regenerate.
4228
4229 2011-07-06  Cary Coutant  <ccoutant@google.com>
4230
4231         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
4232         debug output when command lines differ.
4233
4234 2011-07-06  Cary Coutant  <ccoutant@google.com>
4235
4236         * incremental.cc (Incremental_inputs::report_command_line): Ignore
4237         --incremental-patch option.
4238         * layout.cc (Free_list::allocate): Extend allocation beyond original
4239         end if enabled.
4240         (Layout::make_output_section): Mark sections that should get
4241         patch space.
4242         * options.cc (parse_percent): New function.
4243         * options.h (parse_percent): New function.
4244         (DEFINE_percent): New macro.
4245         (General_options): Add --incremental-patch option.
4246         * output.cc (Output_section::Output_section): Initialize new data
4247         members.
4248         (Output_section::add_input_section): Print section name when out
4249         of patch space.
4250         (Output_section::add_output_section_data): Likewise.
4251         (Output_section::set_final_data_size): Add patch space when
4252         doing --incremental-full.
4253         (Output_section::do_reset_address_and_file_offset): Remove patch
4254         space.
4255         (Output_segment::set_section_list_addresses): Print debug output
4256         only if --incremental-update.
4257         * output.h (Output_section::set_is_patch_space_allowed): New function.
4258         (Output_section::is_patch_space_allowed_): New data member.
4259         (Output_section::patch_space_): New data member.
4260         * parameters.cc (Parameters::incremental_full): New function.
4261         * parameters.h (Parameters::incremental_full): New function
4262         * testsuite/Makefile.am (incremental_test_2): Add test for
4263         --incremental-patch option.
4264         * testsuite/Makefile.in: Regenerate.
4265         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
4266         (t18): Remove function body.
4267
4268 2011-07-05  Doug Kwan  <dougkwan@google.com>
4269
4270         PR gold/12771
4271         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
4272         Arm_Address type for relocation result.
4273         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
4274         overflow check.
4275         (Arm_relocate_functions::abs32): Use unaligned access.
4276         (Arm_relocate_functions::rel32): Ditto.
4277         (Arm_relocate_functions::prel31): Ditto.
4278         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
4279         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
4280         static data relocations.
4281         * testsuite/Makefile.in: Regnerate.
4282         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
4283
4284 2011-07-05  Ian Lance Taylor  <iant@google.com>
4285
4286         PR gold/12392
4287         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
4288         symbols if necessary.
4289         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4290
4291 2011-07-05  Ian Lance Taylor  <iant@google.com>
4292
4293         PR gold/12952
4294         * resolve.cc (Symbol::override_base_with_special): Simply override
4295         version with special symbol version, ignoring previous version.
4296
4297 2011-07-05  Ian Lance Taylor  <iant@google.com>
4298
4299         * object.cc (Sized_relobj_file::include_section_group): Add
4300         information to comment about signature location.
4301
4302 2011-07-02  Ian Lance Taylor  <iant@google.com>
4303
4304         PR gold/12957
4305         * options.h (class General_options): Add -f and -F.
4306         * options.cc (General_options::finalize): Fatal error if -f/-F
4307         are used without -shared.
4308         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
4309
4310 2011-07-02  Ian Lance Taylor  <iant@google.com>
4311
4312         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
4313
4314 2011-07-01  Ian Lance Taylor  <iant@google.com>
4315
4316         PR gold/12525
4317         PR gold/12952
4318         * resolve.cc (Symbol::override_base_with_special): Don't override
4319         the version if the overriding symbol has a different name.
4320         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
4321         all callers.  If we give an error about an undefined version,
4322         define the base version if necessary.
4323         * dynobj.h (class Versions): Update declaration.
4324         * testsuite/weak_alias_test_5.cc: New file.
4325         * testsuite/weak_alias_test.script: New file.
4326         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
4327         and versioned_alias have the right value, and call t2.
4328         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
4329         weak_alias_test_5.so.
4330         (weak_alias_test_LDADD): Likewise.
4331         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
4332         * testsuite/Makefile.in: Rebuild.
4333
4334 2011-07-01  Ian Lance Taylor  <iant@google.com>
4335
4336         PR gold/12525
4337         * options.h (class General_options): Support -z notext.
4338         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
4339         -Wl,-z,notext.
4340         (two_file_shared_nonpic.so): Likewise.
4341         (two_file_shared_mixed.so): Likewise.
4342         (two_file_shared_mixed_1.so): Likewise.
4343         (weak_undef_lib_nonpic.so): Likewise.
4344         (alt/weak_undef_lib_nonpic.so): Likewise.
4345         (tls_test_shared_nonpic.so): Likewise.
4346         * testsuite/Makefile.in: Rebuild.
4347
4348 2011-07-01  Ian Lance Taylor  <iant@google.com>
4349
4350         PR gold/12525
4351         * configure.ac: Test whether static linking works, setting
4352         the automake conditional HAVE_STATIC.
4353         * testsuite/Makefile.am: Disable tests using -static if
4354         HAVE_STATIC is not true.
4355         * configure, testsuite/Makefile.in: Rebuild.
4356
4357 2011-07-01  Ian Lance Taylor  <iant@google.com>
4358
4359         PR gold/12525
4360         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
4361         Assert if we see DW_EH_PE_indirect.
4362         * target.h (Target::ehframe_datarel_base): New function.
4363         (Target::do_ehframe_datarel_base): New target function.
4364         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
4365         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
4366         function.
4367
4368 2011-07-01  Ian Lance Taylor  <iant@google.com>
4369
4370         PR gold/12571
4371         * options.h (class General_options): Add
4372         --ld-generated-unwind-info.
4373         * ehframe.cc (Fde::write): Add address parameter.  Change all
4374         callers.  If associated with PLT, fill in address and size.
4375         (Cie::set_output_offset): Only add merge mapping if there is an
4376         object.
4377         (Cie::write): Add address parameter.  Change all callers.
4378         (Eh_frame::add_ehframe_for_plt): New function.
4379         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
4380         input_offset_ fields into union u_, with new plt field.
4381         (Fde::Fde): Adjust for new union field.
4382         (Fde::Fde) [Output_data version]: New constructor.
4383         (Fde::add_mapping): Only add merge mapping if there is an object.
4384         (class Cie): Update declarations.
4385         (class Eh_frame): Declare add_ehframe_for_plt.
4386         * layout.cc (Layout::layout_eh_frame): Break out code into
4387         make_eh_frame_section, and call it.
4388         (Layout::make_eh_frame_section): New function.
4389         (Layout::add_eh_frame_for_plt): New function.
4390         * layout.h (class Layout): Update declarations.
4391         * merge.cc (Merge_map::add_mapping): Add assertion.
4392         * i386.cc: Include "dwarf.h".
4393         (class Output_data_plt_i386): Make first_plt_entry,
4394         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
4395         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
4396         and plt_eh_frame_fde.
4397         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
4398         boundary.  Call add_eh_frame_for_plt if appropriate.
4399         * x86_64.cc: Include "dwarf.h".
4400         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
4401         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
4402         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
4403         and plt_eh_frame_fde.
4404         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
4405         appropriate.
4406
4407 2011-06-29  Ian Lance Taylor  <iant@google.com>
4408
4409         PR gold/12629
4410         * object.cc (Sized_relobj_file::layout_section): Change shdr
4411         parameter to be const.
4412         (Sized_relobj_file::layout_eh_frame_section): New function, broken
4413         out of do_layout.
4414         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
4415         appropriate.  Call layout_eh_frame_section.
4416         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
4417         sections.
4418         * object.h (class Sized_relobj_file): Update declarations.
4419
4420 2011-06-29  Ian Lance Taylor  <iant@google.com>
4421
4422         PR gold/12652
4423         * script.cc (Token::integer_value): Accept trailing M/m/K/k
4424         modifier.
4425         (Lex::gather_token): Accept trailing M/m/K/k for integers.
4426
4427 2011-06-29  Ian Lance Taylor  <iant@google.com>
4428
4429         PR gold/12675
4430         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
4431         SHT_X86_64_UNWIND.
4432         * layout.cc (Layout::layout_eh_frame): Likewise.
4433
4434 2011-06-29  Ian Lance Taylor  <iant@google.com>
4435
4436         PR gold/12695
4437         * layout.cc (Layout::symtab_section_shndx): New function.
4438         * layout.h (class Layout): Declare symtab_section_shndx.
4439         * output.cc (Output_section::write_header): Call it.
4440
4441 2011-06-29  Ian Lance Taylor  <iant@google.com>
4442
4443         PR gold/12818
4444         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
4445         symbols which are not used in a relocation.
4446
4447 2011-06-28  Ian Lance Taylor  <iant@google.com>
4448
4449         PR gold/12898
4450         * layout.cc (Layout::segment_precedes): Don't crash if a linker
4451         script create indistinguishable segments.
4452         (Layout::set_segment_offsets): Use stable_sort when sorting
4453         segments.  Pass this to Compare_segments constructor.
4454         * layout.h (class Layout): Make segment_precedes non-static.
4455         (class Compare_segments): Change from struct to class.  Add
4456         layout_ field.  Add constructor.
4457         * script-sections.cc
4458         (Script_sections::attach_sections_using_phdrs_clause): Rename
4459         local orphan to is_orphan.  Don't report failure to put empty
4460         section in segment.  On attachment failure, report name of
4461         section, and attach to first PT_LOAD segment.
4462
4463 2011-06-28  Ian Lance Taylor  <iant@google.com>
4464
4465         PR gold/12934
4466         * target-select.cc (Target_selector::Target_selector): Add
4467         emulation parameter.  Change all callers.
4468         (select_target_by_bfd_name): Rename from select_target_by_name.
4469         Change all callers.
4470         (select_target_by_emulation): New function.
4471         (supported_emulation_names): New function.
4472         * target-select.h (class Target_selector): Add emulation_ field.
4473         Update declarations.
4474         (Target_selector::recognize_by_bfd_name): Rename from
4475         recognize_by_name.  Change all callers.
4476         (Target_selector::supported_bfd_names): Rename from
4477         supported_names.  Change all callers.
4478         (Target_selector::recognize_by_emulation): New function.
4479         (Target_selector::supported_emulations): New function.
4480         (Target_selector::emulation): New function.
4481         (Target_selector::do_recognize_by_bfd_name): Rename from
4482         do_recognize_by_name.  Change all callers.
4483         (Target_selector::do_supported_bfd_names): Rename from
4484         do_supported_names.  Change all callers.
4485         (Target_selector::do_recognize_by_emulation): New function.
4486         (Target_selector::do_supported_emulations): New function.
4487         (select_target_by_bfd_name): Change name in declaration.
4488         (select_target_by_emulation): Declare.
4489         (supported_emulation_names): Declare.
4490         * parameters.cc (parameters_force_valid_target): Try to find
4491         target based on emulation from -m option.
4492         * options.h (class General_options): Change doc string for -m.
4493         * options.cc (help): Print emulations.
4494         (General_options::parse_V): Likewise.
4495         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
4496         Add emulation parameter.  Change all callers.
4497
4498 2011-06-28  Ian Lance Taylor  <iant@google.com>
4499
4500         * target.h (class Target): Add osabi_ field.
4501         (Target::osabi): New function.
4502         (Target::set_osabi): New function.
4503         (Target::Target): Initialize osabi_.
4504         (Target::do_adjust_elf_header): Make pure virtual.
4505         (Sized_target::do_adjust_elf_header): Declare.
4506         * target.cc (Sized_target::do_adjust_elf_header): New function.
4507         (class Sized_target): Instantiate all versions.
4508         * freebsd.h (class Target_freebsd): Remove.
4509         (Target_selector_freebsd::do_recognize): Call set_osabi on
4510         Target.
4511         (Target_selector_freebsd::do_recognize_by_name): Likewise.
4512         (Target_selector_freebsd::set_osabi): Remove.
4513         * i386.cc (class Target_i386): Inherit from Sized_target rather
4514         than Target_freebsd.
4515         * x86_64.cc (class Target_x86_64): Likewise.
4516
4517 2011-06-28  Ian Lance Taylor  <iant@google.com>
4518
4519         * target.h (Target::can_check_for_function_pointers): Rewrite.
4520         Make non-virtual.
4521         (Target::can_icf_inline_merge_sections): Likewise.
4522         (Target::section_may_have_icf_unsafe_poineters): Likewise.
4523         (Target::Target_info): Add can_icf_inline_merge_sections field.
4524         (Target::do_can_check_for_function_pointers): New virtual
4525         function.
4526         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
4527         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
4528         from can_check_for_function_pointers, move in file.
4529         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
4530         section_may_have_icf_unsafe_poineters, move in file.
4531         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
4532         * i386.cc (Target_i386::do_can_check_for_function_pointers):
4533         Rename from can_check_for_function_pointers, move in file.
4534         (Target_i386::can_icf_inline_merge_sections): Remove.
4535         (Target_i386::i386_info): Initialize
4536         can_icf_inline_merge_sections.
4537         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4538         Initialize can_icf_inline_merge_sections.
4539         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
4540         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
4541         Rename from can_check_for_function_pointers, move in file.
4542         (Target_x86_64::can_icf_inline_merge_sections): Remove.
4543         (Target_x86_64::x86_64_info): Initialize
4544         can_icf_inline_merge_sections.
4545         * testsuite/testfile.cc (Target_test::test_target_info):
4546         Likewise.
4547         * icf.cc (get_section_contents): Correct formatting.
4548
4549 2011-06-27  Ian Lance Taylor  <iant@google.com>
4550
4551         * symtab.cc (Symbol::versioned_name): New function.
4552         (Symbol_table::add_to_final_symtab): Use versioned_name when
4553         appropriate.
4554         (Symbol_table::sized_write_symbol): Likewise.
4555         * symtab.h (class Symbol): Declare versioned_name.
4556         * stringpool.h (class Stringpool_template): Add variant of add
4557         which takes a std::basic_string.
4558         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
4559         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
4560         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
4561         (ver_test_12.o): New target.
4562         * testsuite/Makefile.in: Rebuild.
4563
4564 2011-06-27  Doug Kwan  <dougkwan@google.com>
4565
4566         * arm.cc (Arm_relocate_functions::thm_jump8,
4567         Arm_relocate_functions::thm_jump11): Use a wider signed
4568         type to compute offset.
4569         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
4570         arm_thm_jump8.
4571         * testsuite/Makefile.in: Regenerate.
4572         * testsuite/arm_branch_in_range.sh: Check test results of
4573         arm_thm_jump11 and arm_thm_jump8.
4574         * testsuite/arm_thm_jump11.s: New test source file.
4575         * testsuite/arm_thm_jump11.t: New linker script.
4576         * testsuite/arm_thm_jump8.s: New test source file.
4577         * testsuite/arm_thm_jump8.t: New linker script.
4578
4579 2011-06-24  Ian Lance Taylor  <iant@google.com>
4580
4581         * layout.cc: Include "object.h".
4582         (ctors_sections_in_init_array): New static variable.
4583         (Layout::is_ctors_in_init_array): New function.
4584         (Layout::layout): Add entry to ctors_sections_in_init_array if
4585         appropriate.
4586         * layout.h (class Layout): Declare is_ctors_in_init_array.
4587         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
4588         is_ctors_reverse_view is set.
4589         (Sized_relobj_file::write_sections): Add layout parameter.  Change
4590         all callers.  Set is_ctors_reverse_view field of View_size.
4591         (Sized_relobj_file::reverse_words): New function.
4592         * object.h (Sized_relobj_file::View_size): Add
4593         is_ctors_reverse_view field.
4594         (class Sized_relobj_file): Update declarations.
4595         * testsuite/initpri3.c: New test.
4596         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
4597         initpri3b.
4598         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
4599         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
4600         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
4601         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
4602         * testsuite/Makefile.in: Rebuild.
4603
4604 2011-06-24  Cary Coutant  <ccoutant@google.com>
4605
4606         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
4607         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
4608         (debug_msg_cdebug.err): New targets.
4609         * testsuite/Makefile.in: Regenerate.
4610         * testsuite/debug_msg.sh: Check output of link with compressed debug.
4611         Fix checks for link with shared library.
4612
4613 2011-06-24  Doug Kwan  <dougkwan@google.com>
4614
4615         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
4616         skip empty text sections.
4617         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
4618
4619 2011-06-22  Ian Lance Taylor  <iant@google.com>
4620
4621         PR gold/12910
4622         * options.h (class General_options): Add --ctors-in-init-array.
4623         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
4624         friends as SHT_PROGBITS for merging sections.
4625         (Layout::layout): Remove special handling of .init_array and
4626         friends.  Don't sort if doing relocatable link.  Sort for .ctors
4627         and .dtors if ctors_in_init_array.
4628         (Layout::make_output_section): Force correct section types for
4629         .init_array and friends.  Don't sort if doing relocatable link,
4630         Don't sort .ctors and .dtors if ctors_in_init_array.
4631         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
4632         (Layout::output_section_name): Add relobj parameter.  Change all
4633         callers.  Handle .ctors. and .dtors. in code rather than table.
4634         Handle .ctors and .dtors if ctors_in_init_array.
4635         (Layout::match_file_name): New function, moved from output.cc.
4636         * layout.h (class Layout): Update declarations.
4637         * output.cc: Include "layout.h".
4638         (Input_section_sort_entry::get_priority): New function.
4639         (Input_section_sort_entry::match_file_name): Just call
4640         Layout::match_file_name.
4641         (Output_section::Input_section_sort_init_fini_compare::operator()):
4642         Handle .ctors and .dtors.  Sort by explicit priority rather than
4643         by name.
4644         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
4645         * testsuite/initpri2.c: New test.
4646         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
4647         (check_PROGRAMS): Add initpri2.
4648         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
4649         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
4650         * configure, testsuite/Makefile.in: Rebuild.
4651
4652 2011-06-19  Ian Lance Taylor  <iant@google.com>
4653
4654         PR gold/12880
4655         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
4656         .interp section to a PT_INTERP segment even if we have seen a
4657         --dynamic-linker option.  Don't do it if we have seen a PHDRS
4658         clause in a linker script.
4659         (Layout::finalize): Don't create a .interp section if we've
4660         already create a PT_INTERP segment.
4661         (Layout::create_interp): Always call choose_output_section (revert
4662         patch of 2011-06-17).  Don't create PT_INTERP segment.
4663         * script-sections.cc
4664         (Script_sections::create_note_and_tls_segments): Add a .interp
4665         section to a PT_INTERP segment even if we have seen a
4666         --dynamic-linker option.
4667
4668 2011-06-18  Ian Lance Taylor  <iant@google.com>
4669
4670         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
4671         merely because a non-PT_LOAD segment has a dynamic reloc.
4672
4673 2011-06-18  Ian Lance Taylor  <iant@google.com>
4674
4675         * layout.cc (Layout::finish_dynamic_section): Don't create
4676         DT_FLAGS entry if not needed.
4677
4678 2011-06-18  Ian Lance Taylor  <iant@google.com>
4679
4680         PR gold/12745
4681         * layout.cc (Layout::layout_eh_frame): Correct handling of
4682         writable .eh_frame section.
4683
4684 2011-06-17  Ian Lance Taylor  <iant@google.com>
4685
4686         PR gold/12893
4687         * resolve.cc (Symbol_table::resolve): Don't give an error if a
4688         symbol is redefined with the exact same object and value.
4689
4690 2011-06-17  Ian Lance Taylor  <iant@google.com>
4691
4692         PR gold/12880
4693         * layout.h (class Layout): Add interp_segment_ field.
4694         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
4695         (Layout::attach_allocated_section_to_segment): If making shared
4696         library, put .interp section in PT_INTERP segment.
4697         (Layout::finalize): Also call create_interp if -dynamic-linker
4698         option was used.
4699         (Layout::create_interp): Assert that there is no PT_INTERP
4700         segment.  If not using a SECTIONS clause, use make_output_section.
4701         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
4702         * script-sections.cc
4703         (Script_sections::create_note_and_tls_segments): If making shared
4704         library, put .interp section in PT_INTERP segment.
4705
4706 2011-06-17  Ian Lance Taylor  <iant@google.com>
4707
4708         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
4709         when making a shared library.
4710
4711 2011-06-17  Ian Lance Taylor  <iant@google.com>
4712
4713         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
4714         parameter.  Change all callers.  Don't issue warning about PC32
4715         against locally defined symbol.
4716
4717 2011-06-16  Ian Lance Taylor  <iant@google.com>
4718
4719         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
4720         occurs in same object.
4721
4722 2011-06-14  Alan Modra  <amodra@gmail.com>
4723
4724         * po/POTFILES.in: Regenerate.
4725
4726 2011-06-09  Ian Lance Taylor  <iant@google.com>
4727
4728         * script-sections.cc
4729         (Orphan_output_section::set_section_addresses): For a relocatable
4730         link set address to 0.
4731
4732 2011-06-09  Cary Coutant  <ccoutant@google.com>
4733
4734         PR gold/12804
4735         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
4736         used with --compress-debug-sections.
4737         * gold/object.cc (Sized_relobj_file::do_layout): Report
4738         uncompressed size of compressed input sections.
4739
4740 2011-06-08  Cary Coutant  <ccoutant@google.com>
4741
4742         PR gold/12804
4743         * testsuite/two_file_test_2_v1.cc: Change initialization of
4744         v2 to keep it in .data.
4745
4746 2011-06-07  Cary Coutant  <ccoutant@google.com>
4747
4748         * common.cc (Symbol_table::do_allocate_commons_list): Call
4749         gold_fallback.
4750         * errors.cc (Errors::fatal): Adjust call to gold_exit.
4751         (Errors::fallback): New function.
4752         (gold_fallback): New function.
4753         * errors.h (Errors::fallback): New function.
4754         * gold.cc (gold_exit): Change status parameter to enum; adjust
4755         all callers.
4756         (queue_initial_tasks): Call gold_fallback.
4757         * gold.h: Include cstdlib.
4758         (Exit_status): New enum type.
4759         (gold_exit): Change status parameter to enum.
4760         (gold_fallback): New function.
4761         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
4762         (Layout::create_symtab_sections): Likewise.
4763         (Layout::create_shdrs): Likewise.
4764         * main.cc (main): Adjust call to gold_exit.
4765         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
4766         (Output_data_got::add_got_entry_pair): Likewise.
4767         (Output_section::add_input_section): Likewise.
4768         (Output_section::add_output_section_data): Likewise.
4769         (Output_segment::set_section_list_addresses): Likewise.
4770         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
4771
4772 2011-06-07  Cary Coutant  <ccoutant@google.com>
4773
4774         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
4775         for incremental links.
4776         * output.cc (Output_segment::set_section_list_addresses): Remove
4777         FIXME and test for TLS or BSS.
4778
4779 2011-06-07  Cary Coutant  <ccoutant@google.com>
4780
4781         * testsuite/Makefile.am: Add incremental_copy_test,
4782         incremental_common_test_1.
4783         * testsuite/Makefile.in: Regenerate.
4784         * testsuite/common_test_1_v1.c: New source file.
4785         * testsuite/common_test_1_v2.c: New source file.
4786         * testsuite/copy_test_v1.cc: New source file.
4787
4788 2011-06-07  Cary Coutant  <ccoutant@google.com>
4789
4790         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
4791         update, allocate common from bss section's free list.
4792         * incremental-dump.cc (dump_incremental_inputs): Print flag for
4793         linker-defined symbols.
4794         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
4795         Skip GOT and PLT entries that are no longer referenced.
4796         (Output_section_incremental_inputs::write_info_blocks): Mark
4797         linker-defined symbols.
4798         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
4799         * output.cc (Output_section::allocate): New function.
4800         * output.h (Output_section::allocate): New function.
4801         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
4802         linker-defined symbols.
4803         (Symbol::override_base_with_special): Copy is_predefined_ flag.
4804         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
4805         (Symbol::init_base_output_data): Likewise.
4806         (Symbol::init_base_output_segment): Likewise.
4807         (Symbol::init_base_constant): Likewise.
4808         (Sized_symbol::init_output_data): Likewise.
4809         (Sized_symbol::init_output_segment): Likewise.
4810         (Sized_symbol::init_constant): Likewise.
4811         (Symbol_table::do_define_in_output_data): Likewise.
4812         (Symbol_table::do_define_in_output_segment): Likewise.
4813         (Symbol_table::do_define_as_constant): Likewise.
4814         * symtab.h (Symbol::is_predefined): New function.
4815         (Symbol::init_base_output_data): Add is_predefined parameter.
4816         (Symbol::init_base_output_segment): Likewise.
4817         (Symbol::init_base_constant): Likewise.
4818         (Symbol::is_predefined_): New data member.
4819         (Sized_symbol::init_output_data): Add is_predefined parameter.
4820         (Sized_symbol::init_output_segment): Likewise.
4821         (Sized_symbol::init_constant): Likewise.
4822         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
4823
4824 2011-06-07  Cary Coutant  <ccoutant@google.com>
4825
4826         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
4827         instead of emit_copy_reloc.
4828         (Copy_relocs::emit_copy_reloc): Refactor.
4829         (Copy_relocs::make_copy_reloc): New function.
4830         (Copy_relocs::add_copy_reloc): Remove.
4831         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
4832         section.
4833         (Copy_relocs::make_copy_reloc): New function.
4834         (Copy_relocs::add_copy_reloc): Remove.
4835         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
4836         unchanged input files.
4837         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
4838         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
4839         Reserve BSS space for COPY relocations.
4840         (Sized_incremental_binary::do_emit_copy_relocs): New function.
4841         (Output_section_incremental_inputs::write_info_blocks): Record
4842         whether a symbol is copied from a shared object.
4843         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
4844         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
4845         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
4846         (Incremental_input_entry_reader::get_output_symbol_index): Add
4847         is_copy parameter.
4848         (Incremental_binary::emit_copy_relocs): New function.
4849         (Incremental_binary::do_emit_copy_relocs): New function.
4850         (Sized_incremental_binary::Sized_incremental_binary): Initialize
4851         new data member.
4852         (Sized_incremental_binary::add_copy_reloc): New function.
4853         (Sized_incremental_binary::do_emit_copy_relocs): New function.
4854         (Sized_incremental_binary::Copy_reloc): New struct.
4855         (Sized_incremental_binary::Copy_relocs): New typedef.
4856         (Sized_incremental_binary::copy_relocs_): New data member.
4857         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
4858         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
4859         * target.h (Sized_target::emit_copy_reloc): New function.
4860         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
4861
4862 2011-06-02  Cary Coutant  <ccoutant@google.com>
4863
4864         PR gold/12163
4865         * gold/archive.cc (Archive::Archive): Initialize new data member.
4866         (Archive::include_all_members): Return if archive has already been
4867         included.
4868         * gold/archive.h (Archive::include_all_members_): New data member.
4869
4870 2011-06-02  Nick Clifton  <nickc@redhat.com>
4871
4872         * dynobj.h: Fix spelling mistake in comment.
4873         * output.cc: Likewise.
4874
4875 2011-05-31  Doug Kwan  <dougkwan@google.com>
4876             Asier Llano
4877
4878         PR gold/12826
4879         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
4880         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
4881         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
4882         redundant arm_exidx_test.so.
4883         * testsuite/Makefile.in: Regenerate.
4884         (check_SCRIPTS): Add pr12826.sh
4885         (check_DATA): Add pr12826.stdout
4886         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
4887         * testsuite/pr12826.sh: New file.
4888         * testsuite/pr12826_1.s: Ditto.
4889         * testsuite/pr12826_1.s: Ditto.
4890
4891 2011-05-30  Ian Lance Taylor  <iant@google.com>
4892
4893         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
4894         sections.
4895
4896 2011-05-29  Ian Lance Taylor  <iant@google.com>
4897
4898         PR gold/12804
4899         * testsuite/Makefile.am: Use different file name for two_file_test
4900         temporary file for each incremental test.
4901         * testsuite/Makefile.in: Rebuild.
4902
4903 2011-05-29  Ian Lance Taylor  <iant@google.com>
4904
4905         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
4906         binary input file is empty.
4907
4908 2011-05-27  Ian Lance Taylor  <iant@google.com>
4909
4910         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
4911         (ver_test_9.so): Likewise.
4912         * testsuite/Makefile.in: Rebuild.
4913
4914 2011-05-26 Cary Coutant  <ccoutant@google.com>
4915
4916         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
4917         * incremental.cc (Incremental_inputs::report_input_section): Fix
4918         comment, indentation.
4919         (Incremental_inputs::report_comdat_group): New function.
4920         (Output_section_incremental_inputs::set_final_data_size): Adjust size
4921         of data for incremental input file entry.
4922         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
4923         group count, COMDAT group signatures.
4924         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
4925         an unchanged input file.
4926         * incremental.h (Incremental_object_entry::Incremental_object_entry):
4927         Initialize new data member.
4928         (Incremental_object_entry::add_comdat_group): New function.
4929         (Incremental_object_entry::get_comdat_group_count): New function.
4930         (Incremental_object_entry::get_comdat_signature_key): New function.
4931         (Incremental_object_entry::groups_): New data member.
4932         (Incremental_inputs::report_comdat_group): New function.
4933         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
4934         data for incremental input file entry.
4935         (Incremental_input_entry_reader::get_comdat_group_count): New function.
4936         (Incremental_input_entry_reader::get_input_section): Adjust size of
4937         data for incremental input file entry.
4938         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
4939         (Incremental_input_entry_reader::get_comdat_group_signature): New
4940         function.
4941         * object.cc (Sized_relobj::include_section_group): Report kept
4942         COMDAT groups for incremental links.
4943
4944 2011-05-24  David Meyer  <pdox@google.com>
4945
4946         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
4947         with name parameter.  Add found_name parameter.
4948         * fileread.cc (Input_file::find_file): Adjust code accordingly.
4949         * dirsearch.h (class Dirsearch): Update declaration.
4950
4951 2011-05-24  Ian Lance Taylor  <iant@google.com>
4952
4953         * archive.cc (Library_base::should_include_member): Pull in object
4954         from archive if it defines the entry symbol.
4955         * parameters.cc (Parameters::entry): New function.
4956         * parameters.h (class Parameters): Declare entry.
4957         * output.h (class Output_file_header): Remove entry_ field.
4958         * output.cc (Output_file_header::Output_file_header): Remove entry
4959         parameter.  Change all callers.
4960         (Output_file_header::entry): Use parameters->entry.
4961         * gold.cc (queue_middle_tasks): Likewise.
4962         * plugin.cc (Plugin_hook::run): Likewise.
4963
4964 2011-05-24 Cary Coutant  <ccoutant@google.com>
4965
4966         * gold.cc (queue_initial_tasks): Pass incremental base filename
4967         to Output_file::open_base_file; don't print error message.
4968         * incremental-dump.cc (main): Adjust call to
4969         Output_file::open_for_modification.
4970         * incremental-dump.cc (main): Likewise.
4971         * incremental.cc (Incremental_inputs::report_command_line):
4972         Ignore --incremental-base option when comparing command lines.
4973         Ignore parameter when given as separate argument.
4974         * options.h (class General_options): Add --incremental-base.
4975         * output.cc (Output_file::Output_file):
4976         (Output_file::open_base_file): Add base_name and writable parameters;
4977         read base file into new file; print error message here.
4978         (Output_file::map_no_anonymous): Add writable parameter; adjust all
4979         callers.
4980         * output.h (Output_file::open_for_modification): Rename to...
4981         (Output_file::open_base_file): ...this; add base_name and
4982         writable parameters; adjust all callers.
4983         (Output_file::map_no_anonymous): Add writable parameter; adjust all
4984         callers.
4985         * testsuite/Makefile.am (incremental_test_4): Test
4986         --incremental-base.
4987         * testsuite/Makefile.in: Regenerate.
4988
4989 2011-05-24 Cary Coutant  <ccoutant@google.com>
4990
4991         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
4992         incremental_test_4.
4993         * testsuite/Makefile.in: Regenerate.
4994         * testsuite/two_file_test_1_v1.cc: New test source file.
4995         * testsuite/two_file_test_1b_v1.cc: New test source file.
4996         * testsuite/two_file_test_2_v1.cc: New test source file.
4997
4998 2011-05-24 Cary Coutant  <ccoutant@google.com>
4999
5000         * dynobj.h (Dynobj::do_dynobj): New function.
5001         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
5002         flag and soname for shared objects.
5003         * incremental.cc (Incremental_inputs::report_object): Make
5004         either Incremental_object_entry or Incremental_dynobj_entry; add
5005         soname to string table.
5006         (Incremental_inputs::report_input_section): Add assertion.
5007         (Output_section_incremental_inputs::set_final_data_size): Adjust
5008         type of input file entry for shared libraries; adjust size of
5009         shared library info entry.
5010         (Output_section_incremental_inputs::write_input_files): Write
5011         as_needed flag for shared libraries.
5012         (Output_section_incremental_inputs::write_info_blocks): Adjust type
5013         of input file entry for shared libraries; write soname.
5014         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
5015         soname from incremental info.
5016         * incremental.h (enum Incremental_input_flags): Add
5017         INCREMENTAL_INPUT_AS_NEEDED.
5018         (Incremental_input_entry::Incremental_input_entry): Initialize new
5019         data member.
5020         (Incremental_input_entry::set_as_needed): New function.
5021         (Incremental_input_entry::as_needed): New function.
5022         (Incremental_input_entry::do_dynobj_entry): New function.
5023         (Incremental_input_entry::as_needed_): New data member.
5024         (Incremental_object_entry::Incremental_object_entry): Don't check
5025         for shared library.
5026         (Incremental_object_entry::do_type): Likewise.
5027         (class Incremental_dynobj_entry): New class.
5028         (Incremental_input_entry_reader::as_needed): New function.
5029         (Incremental_input_entry_reader::get_soname): New function.
5030         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
5031         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
5032         size of shared library info entry.
5033         * layout.cc (Layout::finish_dynamic_section): Don't test for
5034         incremental link when adding DT_NEEDED entries.
5035         * object.h (Object::Object): Initialize new data member.
5036         (Object::dynobj): New function.
5037         (Object::set_as_needed): New function.
5038         (Object::as_needed): New function.
5039         (Object::do_dynobj): New function.
5040         (Object::as_needed_): New data member.
5041
5042 2011-05-24 Cary Coutant  <ccoutant@google.com>
5043
5044         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
5045         info; adjust display of GOT entries.
5046         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
5047         vector of input objects; remove file_status_.
5048         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
5049         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
5050         got_plt reader; call target hooks to reserve GOT entries.
5051         (Output_section_incremental_inputs::set_final_data_size): Adjust size
5052         of input file info header and GOT info entry.
5053         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
5054         relocation info.
5055         (Got_plt_view_info::got_descriptor): Remove.
5056         (Got_plt_view_info::sym_index): New data member.
5057         (Got_plt_view_info::input_index): New data member.
5058         (Local_got_offset_visitor::visit): Write input file index.
5059         (Global_got_offset_visitor::visit): Write 0 for input file index.
5060         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
5061         with sym_index and input_index.
5062         (Output_section_incremental_inputs::write_got_plt): Adjust size of
5063         incremental info GOT entry; replace got_descriptor with input_index.
5064         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
5065         map from input file index to object.
5066         (Sized_relobj_incr::do_layout): Replace direct data member reference
5067         with accessor function.
5068         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
5069         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
5070         Adjust size of input file info header.
5071         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
5072         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
5073         (Incremental_input_entry_reader::get_input_section): Adjust size of
5074         input file info header.
5075         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
5076         of incremental info GOT entry.
5077         (Incremental_got_plt_reader::get_got_desc): Remove.
5078         (Incremental_got_plt_reader::get_got_symndx): New function.
5079         (Incremental_got_plt_reader::get_got_input_index): New function.
5080         (Sized_incremental_binary::Sized_incremental_binary): Remove
5081         file_status_; add input_objects_.
5082         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
5083         (Sized_incremental_binary::set_file_is_unchanged): Remove.
5084         (Sized_incremental_binary::file_is_unchanged): Remove.
5085         (Sized_incremental_binary::set_input_object): New function.
5086         (Sized_incremental_binary::input_object): New function.
5087         (Sized_incremental_binary::file_status_): Remove.
5088         (Sized_incremental_binary::input_objects_): New data member.
5089         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
5090         references.
5091         (Sized_relobj_incr::invalid_address): Move to base class.
5092         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
5093         class.
5094         (Sized_relobj_incr::do_output_section_offset): Likewise.
5095         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
5096         (Sized_relobj_incr::section_offsets_): Likewise.
5097         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
5098         function.
5099         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
5100         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
5101         with accessor function.
5102         (Sized_relobj_file::do_layout): Likewise.
5103         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
5104         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
5105         (Sized_relobj_file::compute_final_local_value): Replace refs to
5106         section_offsets_ with accessor function.
5107         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
5108         * object.h (Relobj::Relobj): Initialize new data members.
5109         (Relobj::add_dyn_reloc): New function.
5110         (Relobj::first_dyn_reloc): New function.
5111         (Relobj::dyn_reloc_count): New function.
5112         (Relobj::first_dyn_reloc_): New data member.
5113         (Relobj::dyn_reloc_count_): New data member.
5114         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
5115         references.
5116         (Sized_relobj::Address): New typedef.
5117         (Sized_relobj::invalid_address): Move here from child class.
5118         (Sized_relobj::Sized_relobj): Initialize new data members.
5119         (Sized_relobj::sized_relobj): New function.
5120         (Sized_relobj::is_output_section_offset_invalid): Move here from
5121         child class.
5122         (Sized_relobj::get_output_section_offset): Likewise.
5123         (Sized_relobj::local_has_got_offset): Likewise.
5124         (Sized_relobj::local_got_offset): Likewise.
5125         (Sized_relobj::set_local_got_offset): Likewise.
5126         (Sized_relobj::do_for_all_local_got_entries): Likewise.
5127         (Sized_relobj::clear_got_offsets): New function.
5128         (Sized_relobj::section_offsets): Move here from child class.
5129         (Sized_relobj::do_output_section_offset): Likewise.
5130         (Sized_relobj::do_set_section_offset): Likewise.
5131         (Sized_relobj::Local_got_offsets): Likewise.
5132         (Sized_relobj::local_got_offsets_): Likewise.
5133         (Sized_relobj::section_offsets_): Likewise.
5134         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
5135         references.
5136         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
5137         class.
5138         (Sized_relobj_file::sized_relobj): New function
5139         (Sized_relobj_file::local_has_got_offset): Move to base class.
5140         (Sized_relobj_file::local_got_offset): Likewise.
5141         (Sized_relobj_file::set_local_got_offset): Likewise.
5142         (Sized_relobj_file::get_output_section_offset): Likewise.
5143         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
5144         (Sized_relobj_file::do_output_section_offset): Likewise.
5145         (Sized_relobj_file::do_set_section_offset): Likewise.
5146         (Sized_relobj_file::Local_got_offsets): Likewise.
5147         (Sized_relobj_file::local_got_offsets_): Likewise.
5148         (Sized_relobj_file::section_offsets_): Likewise.
5149         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
5150         (all constructors).
5151         (set_needs_dynsym_index): Convert relobj to derived class pointer.
5152         (Output_reloc::get_symbol_index): Likewise.
5153         (Output_reloc::local_section_offset): Likewise.
5154         (Output_reloc::get_address): Likewise.
5155         (Output_reloc::symbol_value): Likewise.
5156         (Output_data_got::reserve_slot): Move to class definition.
5157         (Output_data_got::reserve_local): New function.
5158         (Output_data_got::reserve_slot_for_global): Remove.
5159         (Output_data_got::reserve_global): New function.
5160         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
5161         (all constructors, two instantiations).
5162         (Output_reloc::get_relobj): New function (two instantiations).
5163         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
5164         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
5165         (Output_data_reloc::add_global): Adjust type of relobj.
5166         (Output_data_reloc::add_global_relative): Likewise.
5167         (Output_data_reloc::add_symbolless_global_addend): Likewise.
5168         (Output_data_reloc::add_local): Likewise.
5169         (Output_data_reloc::add_local_relative): Likewise.
5170         (Output_data_reloc::add_symbolless_local_addend): Likewise.
5171         (Output_data_reloc::add_local_section): Likewise.
5172         (Output_data_reloc::add_output_section): Likewise.
5173         (Output_data_reloc::add_absolute): Likewise.
5174         (Output_data_reloc::add_target_specific): Likewise.
5175         (Output_data_got::reserve_slot): Move definition here.
5176         (Output_data_got::reserve_local): New function.
5177         (Output_data_got::reserve_global): New function.
5178         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
5179         section_offsets_ with accessor function.
5180         (Sized_relobj_file::write_sections): Likewise.
5181         (Sized_relobj_file::do_relocate_sections): Likewise.
5182         * target.h (Sized_target::reserve_local_got_entry): New function.
5183         (Sized_target::reserve_global_got_entry): New function.
5184         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
5185         (Target_x86_64::reserve_global_got_entry): New function.
5186         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
5187
5188 2011-05-23 Cary Coutant  <ccoutant@google.com>
5189
5190         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
5191         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
5192         bit when checking got_type.
5193         * incremental.cc (Sized_incremental_binary::setup_readers):
5194         Store symbol table and string table locations; initialize bit vector
5195         of file status flags.
5196         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
5197         unchanged files.
5198         (Sized_incremental_binary::do_process_got_plt): New function.
5199         (Sized_incremental_binary::get_symtab_view): Use stored locations.
5200         (Output_section_incremental_inputs::set_final_data_size): Record
5201         file index for each input file.
5202         (Output_section_incremental_inputs::write_got_plt): Store file index
5203         instead of input entry offset for each GOT entry.
5204         * incremental.h
5205         (Incremental_input_entry::Incremental_input_entry): Initialize new
5206         data member.
5207         (Incremental_input_entry::set_offset): Store file index.
5208         (Incremental_input_entry::get_file_index): New function.
5209         (Incremental_input_entry::file_index_): New data member.
5210         (Incremental_binary::process_got_plt): New function.
5211         (Incremental_binary::do_process_got_plt): New function.
5212         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
5213         data members.
5214         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
5215         (Sized_incremental_binary::set_file_is_unchanged): New function.
5216         (Sized_incremental_binary::file_is_unchanged): New function.
5217         (Sized_incremental_binary::do_process_got_plt): New function.
5218         (Sized_incremental_binary::file_status_): New data member.
5219         (Sized_incremental_binary::main_symtab_loc_): New data member.
5220         (Sized_incremental_binary::main_strtab_loc_): New data member.
5221         * output.cc (Output_data_got::Got_entry::write): Add case
5222         RESERVED_CODE.
5223         (Output_data_got::add_global): Call add_got_entry.
5224         (Output_data_got::add_global_plt): Likewise.
5225         (Output_data_got::add_global_with_rel): Likewise.
5226         (Output_data_got::add_global_with_rela): Likewise.
5227         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
5228         (Output_data_got::add_global_pair_with_rela): Likewise.
5229         (Output_data_got::add_local): Call add_got_entry.
5230         (Output_data_got::add_local_plt): Likewise.
5231         (Output_data_got::add_local_with_rel): Likewise.
5232         (Output_data_got::add_local_with_rela): Likewise.
5233         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
5234         (Output_data_got::add_local_pair_with_rela): Likewise.
5235         (Output_data_got::reserve_slot): New function.
5236         (Output_data_got::reserve_slot_for_global): New function.
5237         (Output_data_got::add_got_entry): New function.
5238         (Output_data_got::add_got_entry_pair): New function.
5239         (Output_section::add_output_section_data): Edit FIXME.
5240         * output.h
5241         (Output_section_data_build::Output_section_data_build): New
5242         constructor with size parameter.
5243         (Output_data_space::Output_data_space): Likewise.
5244         (Output_data_got::Output_data_got): Initialize new data member; new
5245         constructor with size parameter.
5246         (Output_data_got::add_constant): Call add_got_entry.
5247         (Output_data_got::reserve_slot): New function.
5248         (Output_data_got::reserve_slot_for_global): New function.
5249         (class Output_data_got::Got_entry): Add RESERVED_CODE.
5250         (Output_data_got::add_got_entry): New function.
5251         (Output_data_got::add_got_entry_pair): New function.
5252         (Output_data_got::free_list_): New data member.
5253         * target.h (Sized_target::init_got_plt_for_update): New function.
5254         (Sized_target::register_global_plt_entry): New function.
5255         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
5256         Initialize new data member; call init; add constructor with PLT count.
5257         (Output_data_plt_x86_64::init): New function.
5258         (Output_data_plt_x86_64::add_relocation): New function.
5259         (Output_data_plt_x86_64::reserve_slot): New function.
5260         (Output_data_plt_x86_64::free_list_): New data member.
5261         (Target_x86_64::init_got_plt_for_update): New function.
5262         (Target_x86_64::register_global_plt_entry): New function.
5263         (Output_data_plt_x86_64::add_entry): Allocate from free list for
5264         incremental updates.
5265         (Output_data_plt_x86_64::add_relocation): New function.
5266         * testsuite/object_unittest.cc (Object_test): Set default options.
5267
5268 2011-05-16  Ian Lance Taylor  <iant@google.com>
5269
5270         * options.h (class General_options): Make -i a synonym for -r.
5271
5272 2011-05-16  Ian Lance Taylor  <iant@google.com>
5273
5274         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
5275
5276 2011-05-10 Cary Coutant  <ccoutant@google.com>
5277
5278         * object.cc (Sized_relobj::do_count_local_symbols): Check for
5279         strip_all (-s).
5280
5281 2011-05-06  Ian Lance Taylor  <iant@google.com>
5282
5283         * layout.cc (Layout::layout): If the output section flags change,
5284         update the ordering.
5285
5286 2011-04-25 Cary Coutant  <ccoutant@google.com>
5287
5288         * incremental-dump.cc (dump_incremental_inputs): Print local
5289         symbol info for each input file.
5290         * incremental.cc
5291         (Output_section_incremental_inputs::set_final_data_size): Add local
5292         symbol info to input file entries in incremental info.
5293         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5294         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
5295         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
5296         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
5297         implementation.
5298         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
5299         (Sized_incr_relobj::do_relocate): Write the local symbols.
5300         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
5301         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
5302         Adjust size of input file header.
5303         (Incremental_inputs_reader::get_local_symbol_offset): New function.
5304         (Incremental_inputs_reader::get_local_symbol_count): New function.
5305         (Incremental_inputs_reader::get_input_section): Adjust size of input
5306         file header.
5307         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
5308         (Sized_incr_relobj::This): New typedef.
5309         (Sized_incr_relobj::sym_size): New const data member.
5310         (Sized_incr_relobj::Local_symbol): New struct.
5311         (Sized_incr_relobj::do_output_local_symbol_count): New function.
5312         (Sized_incr_relobj::do_local_symbol_offset): New function.
5313         (Sized_incr_relobj::local_symbol_count_): New data member.
5314         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
5315         (Sized_incr_relobj::local_symbol_index_): New data member.
5316         (Sized_incr_relobj::local_symbol_offset_): New data member.
5317         (Sized_incr_relobj::local_dynsym_offset_): New data member.
5318         (Sized_incr_relobj::local_symbols_): New data member.
5319         * object.h (Relobj::output_local_symbol_count): New function.
5320         (Relobj::local_symbol_offset): New function.
5321         (Relobj::do_output_local_symbol_count): New function.
5322         (Relobj::do_local_symbol_offset): New function.
5323         (Sized_relobj::do_output_local_symbol_count): New function.
5324         (Sized_relobj::do_local_symbol_offset): New function.
5325
5326 2011-04-22  Vladimir Simonov  <sv@sw.ru>
5327
5328         * descriptors.cc (set_close_on_exec): New function.
5329         (Descriptors::open): Use set_close_on_exec.
5330         * output.cc (S_ISLNK): Define if not defined.
5331
5332 2011-04-22 Cary Coutant  <ccoutant@google.com>
5333
5334         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
5335         global symbol map.
5336         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
5337         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
5338         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
5339         relocations.
5340         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
5341         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
5342         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
5343         * incremental.h
5344         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
5345         function.
5346         (Incremental_binary::apply_incremental_relocs): New function.
5347         (Incremental_binary::do_apply_incremental_relocs): New function.
5348         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
5349         data member.
5350         (Sized_incremental_binary::add_global_symbol): New function.
5351         (Sized_incremental_binary::global_symbol): New function.
5352         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
5353         (Sized_incremental_binary::symbol_map_): New data member.
5354         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
5355         * target.h (Sized_target::apply_relocation): New function.
5356         * target-reloc.h (apply_relocation): New function.
5357         * x86_64.cc (Target_x86_64::apply_relocation): New function.
5358
5359 2011-04-22  Doug Kwan  <dougkwan@google.com>
5360
5361         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
5362         flag of a SHT_ARM_EXIDX section.
5363         * testsuite/Makefile.am (arm_exidx_test): New test rules.
5364         * testsuite/Makefile.in: Regenerate.
5365         * testsuite/arm_exidx_test.s: New file.
5366         * testsuite/arm_exidx_test.sh: Same.
5367
5368 2011-04-20 Cary Coutant  <ccoutant@google.com>
5369
5370         PR gold/12689
5371         * archive.h (Incremental_archive_entry::Archive_member):
5372         Initialize arg_serial_ (second constructor).
5373
5374 2011-04-17  Ian Lance Taylor  <iant@google.com>
5375
5376         * object.cc (Relocate_info::location): Simplify location string.
5377         * errors.cc (Errors::error_at_location): Don't print program
5378         name.
5379         (Errors::warning_at_location): Likewise.
5380         (Errors::undefined_symbol): Likewise.
5381         * testsuite/debug_msg.sh: Update accordingly.
5382
5383 2011-04-14 Cary Coutant  <ccoutant@google.com>
5384
5385         * gold/layout.cc (Layout::symtab_section_offset): New function.
5386         * gold/layout.h (Layout::symtab_section_offset): New function.
5387         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
5388
5389 2011-04-12  Ian Lance Taylor  <iant@google.com>
5390
5391         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
5392         with MREMAP_MAYMOVE.
5393         * output.h (class Output_file): Add map_is_allocated_ field.
5394         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
5395         not available, provide stubs.  If mremap is not available, #define
5396         it to gold_mremap.
5397         (MREMAP_MAYMOVE): Define if not defined.
5398         (Output_file::Output_file): Initialize map_is_allocated_.
5399         (Output_file::resize): Check map_is_allocated_.
5400         (Output_file::map_anonymous): If mmap fails, use malloc.
5401         (Output_file::unmap): Don't do anything for an anonymous map.
5402         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
5403         is not available, provide stubs.
5404         (File_read::View::~View): Use free rather than delete[].
5405         (File_read::make_view): Use malloc rather than new[].  If mmap
5406         fails, use malloc.
5407         (File_read::find_or_make_view): Use malloc rather than new[].
5408         * gold.h: Remove HAVE_REMAP code.
5409         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
5410         exists.  Rename mremap to gold_mremap.  If mmap is not available
5411         don't do anything.
5412         * configure, config.in: Rebuild.
5413
5414 2011-04-11  Ian Lance Taylor  <iant@google.com>
5415
5416         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
5417         initialize local variable v.
5418
5419 2011-04-11  Cary Coutant  <ccoutant@google.com>
5420
5421         * archive.cc (Archive::include_member): Adjust call to
5422         report_object.
5423         (Add_archive_symbols::run): Track argument serial numbers.
5424         (Lib_group::include_member): Likewise.
5425         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
5426         * archive.h (Incremental_archive_entry::Archive_member):
5427         Initialize arg_serial_.
5428         (Archive_member::arg_serial_): New data member.
5429         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
5430         (Sized_dynobj::do_add_symbols): Track symbols when doing an
5431         incremental link.
5432         (Sized_dynobj::do_for_all_local_got_entries): New function.
5433         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
5434         function.
5435         * fileread.cc (get_mtime): New function.
5436         * fileread.h (get_mtime): New function.
5437         * gold.cc (queue_initial_tasks): Check for incremental update.
5438         (process_incremental_input): New function.
5439         (queue_middle_tasks): Don't force valid target for incremental
5440         update.
5441         * incremental-dump.cc (find_input_containing_global): Adjust
5442         size of symbol info entry.
5443         (dump_incremental_inputs): Dump argument serial number and
5444         in_system_directory flag; bias shndx by 1; print symbol names
5445         when dumping per-file symbol lists; use new symbol info readers.
5446         * incremental.cc
5447         (Output_section_incremental_inputs:update_data_size): New function.
5448         (Sized_incremental_binary::setup_readers): Setup input readers
5449         for each input file; build maps for files added from libraries
5450         and scripts.
5451         (Sized_incremental_binary::check_input_args): New function.
5452         (Sized_incremental_binary::do_check_inputs): Build map of argument
5453         serial numbers to input arguments.
5454         (Sized_incremental_binary::do_file_has_changed): Rename
5455         do_file_is_unchanged to this; compare file modification times.
5456         (Sized_incremental_binary::do_init_layout): New function.
5457         (Sized_incremental_binary::do_reserve_layout): New function.
5458         (Sized_incremental_binary::do_get_input_reader): Remove.
5459         (Sized_incremental_binary::get_symtab_view): New function.
5460         (Incremental_checker::can_incrementally_link_output_file): Remove.
5461         (Incremental_inputs::report_command_line): Exclude --debug options.
5462         (Incremental_inputs::report_archive_begin): Add parameter; track
5463         argument serial numbers; don't put input file entry for archive
5464         before archive members.
5465         (Incremental_inputs::report_archive_end): Put input file entry
5466         for archive after archive members.
5467         (Incremental_inputs::report_object): Add parameter; track argument
5468         serial numbers and in_system_directory flag.
5469         (Incremental_inputs::report_script): Add parameter; track argument
5470         serial numbers.
5471         (Output_section_incremental_inputs::set_final_data_size): Adjust
5472         size of symbol info entry; check for forwarding symbols.
5473         (Output_section_incremental_inputs::write_input_files): Write
5474         in_system_directory flag and argument serial number.
5475         (Output_section_incremental_inputs::write_info_blocks): Map section
5476         indices between incremental info and original input file; store
5477         input section index for each symbol.
5478         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
5479         change operator() to visit().
5480         (class Global_got_offset_visitor): Likewise.
5481         (class Global_symbol_visitor_got_plt):
5482         (Output_section_incremental_inputs::write_got_plt): Use new visitor
5483         classes.
5484         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
5485         (Sized_incr_relobj::do_read_symbols): New function.
5486         (Sized_incr_relobj::do_layout): New function.
5487         (Sized_incr_relobj::do_layout_deferred_sections): New function.
5488         (Sized_incr_relobj::do_add_symbols): New function.
5489         (Sized_incr_relobj::do_should_include_member): New function.
5490         (Sized_incr_relobj::do_for_all_global_symbols): New function.
5491         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
5492         (Sized_incr_relobj::do_section_size): New function.
5493         (Sized_incr_relobj::do_section_name): New function.
5494         (Sized_incr_relobj::do_section_contents): New function.
5495         (Sized_incr_relobj::do_section_flags): New function.
5496         (Sized_incr_relobj::do_section_entsize): New function.
5497         (Sized_incr_relobj::do_section_address): New function.
5498         (Sized_incr_relobj::do_section_type): New function.
5499         (Sized_incr_relobj::do_section_link): New function.
5500         (Sized_incr_relobj::do_section_info): New function.
5501         (Sized_incr_relobj::do_section_addralign): New function.
5502         (Sized_incr_relobj::do_initialize_xindex): New function.
5503         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
5504         (Sized_incr_relobj::do_read_relocs): New function.
5505         (Sized_incr_relobj::do_gc_process_relocs): New function.
5506         (Sized_incr_relobj::do_scan_relocs): New function.
5507         (Sized_incr_relobj::do_count_local_symbols): New function.
5508         (Sized_incr_relobj::do_finalize_local_symbols): New function.
5509         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
5510         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
5511         (Sized_incr_relobj::do_relocate): New function.
5512         (Sized_incr_relobj::do_set_section_offset): New function.
5513         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
5514         (Sized_incr_dynobj::do_read_symbols): New function.
5515         (Sized_incr_dynobj::do_layout): New function.
5516         (Sized_incr_dynobj::do_add_symbols): New function.
5517         (Sized_incr_dynobj::do_should_include_member): New function.
5518         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
5519         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
5520         (Sized_incr_dynobj::do_section_size): New function.
5521         (Sized_incr_dynobj::do_section_name): New function.
5522         (Sized_incr_dynobj::do_section_contents): New function.
5523         (Sized_incr_dynobj::do_section_flags): New function.
5524         (Sized_incr_dynobj::do_section_entsize): New function.
5525         (Sized_incr_dynobj::do_section_address): New function.
5526         (Sized_incr_dynobj::do_section_type): New function.
5527         (Sized_incr_dynobj::do_section_link): New function.
5528         (Sized_incr_dynobj::do_section_info): New function.
5529         (Sized_incr_dynobj::do_section_addralign): New function.
5530         (Sized_incr_dynobj::do_initialize_xindex): New function.
5531         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
5532         (make_sized_incremental_object): New function.
5533         (Incremental_library::copy_unused_symbols): New function.
5534         (Incremental_library::do_for_all_unused_symbols): New function.
5535         * incremental.h (enum Incremental_input_flags): New type.
5536         (class Incremental_checker): Remove.
5537         (Incremental_input_entry::Incremental_input_entry): Add argument
5538         serial number.
5539         (Incremental_input_entry::arg_serial): New function.
5540         (Incremental_input_entry::set_is_in_system_directory): New function.
5541         (Incremental_input_entry::is_in_system_directory): New function.
5542         (Incremental_input_entry::arg_serial_): New data member.
5543         (Incremental_input_entry::is_in_system_directory_): New data member.
5544         (class Script_info): Move here from script.h.
5545         (Script_info::Script_info): Add filename parameter.
5546         (Script_info::filename): New function.
5547         (Script_info::filename_): New data member.
5548         (Incremental_script_entry::Incremental_script_entry): Add argument
5549         serial number.
5550         (Incremental_object_entry::Incremental_object_entry): Likewise.
5551         (Incremental_object_entry::add_input_section): Build list of input
5552         sections with map to original shndx.
5553         (Incremental_object_entry::get_input_section_index): New function.
5554         (Incremental_object_entry::shndx_): New data member.
5555         (Incremental_object_entry::name_key_): Rename; adjust all refs.
5556         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
5557         (Incremental_archive_entry::Incremental_archive_entry): Add argument
5558         serial number.
5559         (Incremental_inputs::report_archive_begin): Likewise.
5560         (Incremental_inputs::report_object): Likewise.
5561         (Incremental_inputs::report_script): Likewise.
5562         (class Incremental_global_symbol_reader): New class.
5563         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
5564         and store flags and input file type.
5565         (Incremental_input_entry_reader::arg_serial): New function.
5566         (Incremental_input_entry_reader::type): Extract type from flags.
5567         (Incremental_input_entry_reader::is_in_system_directory): New function.
5568         (Incremental_input_entry_reader::get_input_section_count): Call
5569         accessor function for type.
5570         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
5571         function for type; adjust size of global symbol entry.
5572         (Incremental_input_entry_reader::get_global_symbol_count): Call
5573         accessor function for type.
5574         (Incremental_input_entry_reader::get_object_count): Likewise.
5575         (Incremental_input_entry_reader::get_object_offset): Likewise.
5576         (Incremental_input_entry_reader::get_member_count): Likewise.
5577         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
5578         (Incremental_input_entry_reader::get_member_offset): Likewise.
5579         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
5580         (Incremental_input_entry_reader::Global_symbol_info): Remove.
5581         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
5582         (Incremental_input_entry_reader::get_global_symbol_reader): New
5583         function.
5584         (Incremental_input_entry_reader::get_output_symbol_index): New
5585         function.
5586         (Incremental_input_entry_reader::type_): Remove.
5587         (Incremental_input_entry_reader::flags_): New data member.
5588         (Incremental_inputs_reader::input_file_offset): New function.
5589         (Incremental_inputs_reader::input_file_index): New function.
5590         (Incremental_inputs_reader::input_file): Call input_file_offset.
5591         (Incremental_inputs_reader::input_file_at_offset): New function.
5592         (Incremental_relocs_reader::get_r_type): Reformat.
5593         (Incremental_relocs_reader::get_r_shndx): Reformat.
5594         (Incremental_relocs_reader::get_r_offset): Reformat.
5595         (Incremental_relocs_reader::data): New function.
5596         (Incremental_binary::Incremental_binary): Initialize new data members.
5597         (Incremental_binary::check_inputs): Add cmdline parameter.
5598         (Incremental_binary::file_is_unchanged): Remove.
5599         (Input_reader::arg_serial): New function.
5600         (Input_reader::get_unused_symbol_count): New function.
5601         (Input_reader::get_unused_symbol): New function.
5602         (Input_reader::do_arg_serial): New function.
5603         (Input_reader::do_get_unused_symbol_count): New function.
5604         (Input_reader::do_get_unused_symbol): New function.
5605         (Incremental_binary::input_file_count): New function.
5606         (Incremental_binary::get_input_reader): Change signature to use
5607         index instead of filename.
5608         (Incremental_binary::file_has_changed): New function.
5609         (Incremental_binary::get_input_argument): New function.
5610         (Incremental_binary::get_library): New function.
5611         (Incremental_binary::get_script_info): New function.
5612         (Incremental_binary::init_layout): New function.
5613         (Incremental_binary::reserve_layout): New function.
5614         (Incremental_binary::output_file): New function.
5615         (Incremental_binary::do_check_inputs): New function.
5616         (Incremental_binary::do_file_is_unchanged): Remove.
5617         (Incremental_binary::do_file_has_changed): New function.
5618         (Incremental_binary::do_init_layout): New function.
5619         (Incremental_binary::do_reserve_layout): New function.
5620         (Incremental_binary::do_input_file_count): New function.
5621         (Incremental_binary::do_get_input_reader): Change signature.
5622         (Incremental_binary::input_args_map_): New data member.
5623         (Incremental_binary::library_map_): New data member.
5624         (Incremental_binary::script_map_): New data member.
5625         (Sized_incremental_binary::Sized_incremental_binary): Initialize
5626         new data members.
5627         (Sized_incremental_binary::output_section): New function.
5628         (Sized_incremental_binary::inputs_reader): Add const.
5629         (Sized_incremental_binary::symtab_reader): Add const.
5630         (Sized_incremental_binary::relocs_reader): Add const.
5631         (Sized_incremental_binary::got_plt_reader): Add const.
5632         (Sized_incremental_binary::get_symtab_view): New function.
5633         (Sized_incremental_binary::Inputs_reader): New typedef.
5634         (Sized_incremental_binary::Input_entry_reader): New typedef.
5635         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
5636         (Sized_incremental_binary::do_file_is_unchanged): Remove.
5637         (Sized_incremental_binary::do_file_has_changed): New function.
5638         (Sized_incremental_binary::do_init_layout): New function.
5639         (Sized_incremental_binary::do_reserve_layout): New function.
5640         (Sized_input_reader::Inputs_reader): Remove.
5641         (Sized_input_reader::Input_entry_reader): Remove.
5642         (Sized_input_reader::do_arg_serial): New function.
5643         (Sized_input_reader::do_get_unused_symbol_count): New function.
5644         (Sized_input_reader::do_get_unused_symbol): New function.
5645         (Sized_incremental_binary::do_input_file_count): New function.
5646         (Sized_incremental_binary::do_get_input_reader): Change signature;
5647         use index instead of filename.
5648         (Sized_incremental_binary::section_map_): New data member.
5649         (Sized_incremental_binary::input_entry_readers_): New data member.
5650         (class Sized_incr_relobj): New class.
5651         (class Sized_incr_dynobj): New class.
5652         (make_sized_incremental_object): New function.
5653         (class Incremental_library): New class.
5654         * layout.cc (Free_list::num_lists): New static data member.
5655         (Free_list::num_nodes): New static data member.
5656         (Free_list::num_removes): New static data member.
5657         (Free_list::num_remove_visits): New static data member.
5658         (Free_list::num_allocates): New static data member.
5659         (Free_list::num_allocate_visits): New static data member.
5660         (Free_list::init): New function.
5661         (Free_list::remove): New function.
5662         (Free_list::allocate): New function.
5663         (Free_list::dump): New function.
5664         (Free_list::print_stats): New function.
5665         (Layout_task_runner::run): Resize output file for incremental updates.
5666         (Layout::Layout): Initialize new data members.
5667         (Layout::set_incremental_base): New function.
5668         (Layout::init_fixed_output_section): New function.
5669         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
5670         incremental updates.
5671         (Layout::create_gold_note): Do not create gold note section for
5672         incremental updates.
5673         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
5674         for incremental updates.
5675         (Layout::set_section_offsets): For incremental updates, allocate space
5676         from free list.
5677         (Layout::create_symtab_sections): Layout with offsets relative to
5678         start of section; for incremental updates, allocate space from free
5679         list.
5680         (Layout::create_shdrs): For incremental updates, allocate space from
5681         free list.
5682         (Layout::finish_dynamic_section): For incremental updates, do not
5683         check --as-needed (fixed in subsequent patch).
5684         * layout.h (class Free_list): New class.
5685         (Layout::set_incremental_base): New function.
5686         (Layout::incremental_base): New function.
5687         (Layout::init_fixed_output_section): New function.
5688         (Layout::allocate): New function.
5689         (Layout::incremental_base_): New data member.
5690         (Layout::free_list_): New data member.
5691         * main.cc (main): Print Free_list statistics.
5692         * object.cc (Relobj::finalize_incremental_relocs): Add
5693         clear_counts parameter; clear counts only when clear_counts is set.
5694         (Sized_relobj::Sized_relobj): Initialize new base class.
5695         (Sized_relobj::do_layout): Don't report special sections.
5696         (Sized_relobj::do_for_all_local_got_entries): New function.
5697         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
5698         symtab_off to all symbol table offsets.
5699         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
5700         * object.h (class Got_offset_list): Move to top of file.
5701         (Object::Object): Allow case where input_file == NULL.
5702         (Object::~Object): Likewise.
5703         (Object::input_file): Assert that input_file != NULL.
5704         (Object::lock): Allow case where input_file == NULL.
5705         (Object::unlock): Likewise.
5706         (Object::is_locked): Likewise.
5707         (Object::token): Likewise.
5708         (Object::release): Likewise.
5709         (Object::is_incremental): New function.
5710         (Object::get_mtime): New function.
5711         (Object::for_all_local_got_entries): New function.
5712         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
5713         (Object::set_is_in_system_directory): New function.
5714         (Object::is_in_system_directory): New function.
5715         (Object::do_is_incremental): New function.
5716         (Object::do_get_mtime): New function.
5717         (Object::do_for_all_local_got_entries): New function.
5718         (Object::is_in_system_directory_): New data member.
5719         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
5720         (class Sized_relobj_base): New class.
5721         (class Sized_relobj): Derive from Sized_relobj_base.
5722         (class Sized_relobj::Symbols): Redeclare from base class.
5723         (class Sized_relobj::local_got_offset_list): Remove.
5724         (class Sized_relobj::Output_sections): Redeclare from base class.
5725         (class Sized_relobj::do_for_all_local_got_entries): New function.
5726         (class Sized_relobj::write_local_symbols): Add offset parameter.
5727         (class Sized_relobj::local_symbol_offset_): Update comment.
5728         (class Sized_relobj::local_dynsym_offset_): Update comment.
5729         * options.cc (Input_arguments::add_file): Remove const.
5730         * options.h (Input_file_argument::Input_file_argument):
5731         Initialize arg_serial_ (all constructors).
5732         (Input_file_argument::set_arg_serial): New function.
5733         (Input_file_argument::arg_serial): New function.
5734         (Input_file_argument::arg_serial_): New data member.
5735         (Input_arguments::Input_arguments): Initialize file_count_.
5736         (Input_arguments::add_file): Remove const.
5737         (Input_arguments::number_of_input_files): New function.
5738         (Input_arguments::file_count_): New data member.
5739         (Command_line::number_of_input_files): Call
5740         Input_arguments::number_of_input_files.
5741         * output.cc (Output_segment_headers::Output_segment_headers):
5742         Set current size.
5743         (Output_section::Input_section::current_data_size): New function.
5744         (Output_section::Output_section): Initialize new data members.
5745         (Output_section::add_input_section): Don't do merge sections for
5746         an incremental link; allocate space from free list for an
5747         incremental update.
5748         (Output_section::add_output_section_data): Allocate space from
5749         free list for an incremental update.
5750         (Output_section::update_data_size): New function.
5751         (Output_section::set_fixed_layout): New function.
5752         (Output_section::reserve): New function.
5753         (Output_segment::set_section_addresses): Remove const.
5754         (Output_segment::set_section_list_addresses): Remove const; allocate
5755         space from free list for an incremental update.
5756         (Output_segment::set_offset): Adjust size of RELRO segment for an
5757         incremental update.
5758         * output.h (Output_data::current_data_size): Move here from
5759         child classes.
5760         (Output_data::pre_finalize_data_size): New function.
5761         (Output_data::update_data_size): New function.
5762         (Output_section_headers::update_data_size): new function.
5763         (Output_section_data_build::current_data_size): Move to Output_data.
5764         (Output_data_strtab::update_data_size): New function.
5765         (Output_section::current_data_size): Move to Output_data.
5766         (Output_section::set_fixed_layout): New function.
5767         (Output_section::has_fixed_layout): New function.
5768         (Output_section::reserve): New function.
5769         (Output_section::update_data_size): New function.
5770         (Output_section::has_fixed_layout_): New data member.
5771         (Output_section::free_list_): New data member.
5772         (Output_segment::set_section_addresses): Remove const.
5773         (Output_segment::set_section_list_addresses): Remove const.
5774         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
5775         New function.
5776         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
5777         New function.
5778         * readsyms.cc (Read_symbols::do_read_symbols): Add library
5779         parameter when calling Add_symbols constructor; store argument
5780         serial number for members of a lib group.
5781         (Add_symbols::locks): Allow case where token == NULL.
5782         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
5783         (Read_member::~Read_member): New function.
5784         (Read_member::is_runnable): New function.
5785         (Read_member::locks): New function.
5786         (Read_member::run): New function.
5787         (Check_script::~Check_script): New function.
5788         (Check_script::is_runnable): New function.
5789         (Check_script::locks): New function.
5790         (Check_script::run): New function.
5791         (Check_library::~Check_library): New function.
5792         (Check_library::is_runnable): New function.
5793         (Check_library::locks): New function.
5794         (Check_library::run): New function.
5795         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
5796         (Add_symbols::library_): New data member.
5797         (class Read_member): New class.
5798         (class Check_script): New class.
5799         (class Check_library): New class.
5800         * reloc.cc (Read_relocs::is_runnable): Allow case where
5801         token == NULL.
5802         (Read_relocs::locks): Likewise.
5803         (Scan_relocs::locks): Likewise.
5804         (Relocate_task::locks): Likewise.
5805         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
5806         to clear counters.
5807         (Sized_relobj::incremental_relocs_scan): Fix comment.
5808         (Sized_relobj::do_relocate): Pass output file offset to
5809         write_local_symbols.
5810         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
5811         from class declaration.
5812         * script.cc (read_input_script): Allocate Script_info; pass
5813         argument serial number to report_script.
5814         * script.h (class Script_info): Move to incremental.h.
5815         * symtab.cc (Symbol_table::add_from_incrobj): New function.
5816         * symtab.h (Symbol_table::add_from_incrobj): New function.
5817         (Symbol_table::set_file_offset): New function.
5818
5819 2011-04-05  Cary Coutant  <ccoutant@google.com>
5820
5821         * incremental-dump.cc (dump_incremental_inputs): Change signature
5822         to take a Sized_incremental_binary; change caller.  Use readers
5823         in Sized_incremental_binary.
5824         * incremental.cc
5825         (Sized_incremental_binary::find_incremental_inputs_sections):
5826         Rename do_find_incremental_inputs_sections to this.
5827         (Sized_incremental_binary::setup_readers): New function.
5828         (Sized_incremental_binary::do_check_inputs): Check
5829         has_incremental_info_ flag; move setup code to setup_readers;
5830         use input readers.
5831         (Sized_incremental_binary::do_file_is_unchanged): New function.
5832         (Sized_incremental_binary::do_get_input_reader): New function.
5833         * incremental.h (class Incremental_binary): Move to end of file.
5834         (Incremental_binary::file_is_unchanged): New function.
5835         (Incremental_binary::do_file_is_unchanged): New function.
5836         (Incremental_binary::Input_reader): New class.
5837         (Incremental_binary::get_input_reader): New function.
5838         (class Sized_incremental_binary): Move to end of file.
5839         (Sized_incremental_binary::Sized_incremental_binary): Setup the
5840         input section reader classes.
5841         (Sized_incremental_binary::has_incremental_info): New function.
5842         (Sized_incremental_binary::inputs_reader): New function.
5843         (Sized_incremental_binary::symtab_reader): New function.
5844         (Sized_incremental_binary::relocs_reader): New function.
5845         (Sized_incremental_binary::got_plt_reader): New function.
5846         (Sized_incremental_binary::do_file_is_unchanged): New function.
5847         (Sized_incremental_binary::Sized_input_reader): New class.
5848         (Sized_incremental_binary::get_input_reader): New function.
5849         (Sized_incremental_binary::find_incremental_inputs_sections):
5850         Rename do_find_incremental_inputs_sections to this.
5851         (Sized_incremental_binary::setup_readers): New function.
5852         (Sized_incremental_binary::has_incremental_info_): New data member.
5853         (Sized_incremental_binary::inputs_reader_): New data member.
5854         (Sized_incremental_binary::symtab_reader_): New data member.
5855         (Sized_incremental_binary::relocs_reader_): New data member.
5856         (Sized_incremental_binary::got_plt_reader_): New data member.
5857         (Sized_incremental_binary::current_input_file_): New data member.
5858
5859 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
5860
5861         PR gold/12640
5862         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
5863         violation.
5864
5865 2011-03-30  Cary Coutant  <ccoutant@google.com>
5866
5867         * archive.cc (Archive::include_member): Adjust call to report_object.
5868         (Add_archive_symbols::run): Add script_info to call to
5869         report_archive_begin.
5870         (Lib_group::include_member): Adjust call to report_object.
5871         (Add_lib_group_symbols::run): Adjust call to report_object.
5872         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
5873         blocks.  Add object count for script input files.
5874         * incremental.cc (Incremental_inputs::report_archive_begin): Add
5875         script_info parameter; change all callers.
5876         (Incremental_inputs::report_object): Add script_info parameter;
5877         change all callers.
5878         (Incremental_inputs::report_script): Store backpointer to
5879         incremental info entry.
5880         (Output_section_incremental_inputs::set_final_data_size): Record
5881         additional information for scripts.
5882         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5883         * incremental.h (Incremental_script_entry::add_object): New function.
5884         (Incremental_script_entry::get_object_count): New function.
5885         (Incremental_script_entry::get_object): New function.
5886         (Incremental_script_entry::objects_): New data member; adjust
5887         constructor.
5888         (Incremental_inputs::report_archive_begin): Add script_info parameter.
5889         (Incremental_inputs::report_object): Add script_info parameter.
5890         (Incremental_inputs_reader::get_object_count): New function.
5891         (Incremental_inputs_reader::get_object_offset): New function.
5892         * options.cc (Input_arguments::add_file): Return reference to
5893         new input argument.
5894         * options.h (Input_argument::set_script_info): New function.
5895         (Input_argument::script_info): New function.
5896         (Input_argument::script_info_): New data member; adjust all
5897         constructors.
5898         (Input_file_group::add_file): Return reference to new input argument.
5899         (Input_file_lib::add_file): Likewise.
5900         (Input_arguments::add_file): Likewise.
5901         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
5902         * script.cc (Parser_closure::Parser_closure): Add script_info
5903         parameter; adjust all callers.
5904         (Parser_closure::script_info): New function.
5905         (Parser_closure::script_info_): New data member.
5906         (read_input_script): Report scripts earlier to incremental info.
5907         (script_add_file): Set script_info in Input_argument.
5908         (script_add_library): Likewise.
5909         * script.h (Script_options::Script_info): Rewrite class.
5910
5911 2011-03-29  Cary Coutant  <ccoutant@google.com>
5912
5913         * archive.cc (Library_base::should_include_member): Move
5914         method here from class Archive.
5915         (Archive::Archive): Initialize base class.
5916         (Archive::should_include_member): Move to base class.
5917         (Archive::do_for_all_unused_symbols): New function.
5918         (Add_archive_symbols::run): Remove redundant access to
5919         incremental_inputs.
5920         (Lib_group::Lib_group): Initialize base class.
5921         (Lib_group::do_filename): New function.
5922         (Lib_group::include_member): Pass pointer to Lib_group to
5923         report_object.
5924         (Lib_group::do_for_all_unused_symbols): New function.
5925         (Add_lib_group_symbols::run): Report archive information for
5926         incremental links.
5927         * archive.h (class Library_base): New base class.
5928         (class Archive): Derive from Library_base.
5929         (Archive::filename): Move to base class.
5930         (Archive::set_incremental_info): Likewise.
5931         (Archive::incremental_info): Likewise.
5932         (Archive::Should_include): Likewise.
5933         (Archive::should_include_member): Likewise.
5934         (Archive::Armap_entry): Remove.
5935         (Archive::Unused_symbol_iterator): Remove.
5936         (Archive::unused_symbols_begin): Remove.
5937         (Archive::unused_symbols_end): Remove.
5938         (Archive::do_filename): New function.
5939         (Archive::do_get_mtime): New function.
5940         (Archive::do_for_all_unused_symbols): New function.
5941         (Archive::task_): Move to base class.
5942         (Archive::incremental_info_): Likewise.
5943         (class Lib_group): Derive from Library_base.
5944         (Lib_group::do_filename): New function.
5945         (Lib_group::do_get_mtime): New function.
5946         (Lib_group::do_for_all_unused_symbols): New function.
5947         (Lib_group::task_): Move to base class.
5948         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
5949         function.
5950         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
5951         function.
5952         * incremental.cc (Incremental_inputs::report_archive_begin):
5953         Use Library_base; call library's get_mtime; add incremental inputs
5954         entry before members.
5955         (class Unused_symbol_visitor): New class.
5956         (Incremental_inputs::report_archive_end): Use Library_base; use
5957         visitor class to record unused symbols; don't add incremental inputs
5958         entry after members.
5959         (Incremental_inputs::report_object): Use Library_base.
5960         * incremental.h
5961         (Incremental_archive_entry::Incremental_archive_entry): Remove
5962         unused Archive parameter.
5963         (Incremental_inputs::report_archive_begin): Use Library_base.
5964         (Incremental_inputs::report_archive_end): Likewise.
5965         (Incremental_inputs::report_object): Likewise.
5966         * object.cc (Sized_relobj::do_for_all_global_symbols): New
5967         function.
5968         * object.h (Object::for_all_global_symbols): New function.
5969         (Object::do_for_all_global_symbols): New function.
5970         (Sized_relobj::do_for_all_global_symbols): New function.
5971         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
5972         function.
5973         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
5974         function.
5975
5976 2011-03-27  Ian Lance Taylor  <iant@google.com>
5977
5978         * archive.cc (Archive::interpret_header): Return -1 if something
5979         goes wrong.  Change callers accordingly.
5980
5981 2011-03-25  Cary Coutant  <ccoutant@google.com>
5982
5983         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
5984         * testsuite/Makefile.in: Regenerate.
5985
5986 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
5987
5988         * plugin.cc (get_view): New.
5989         (Plugin::load): Pass get_view to the plugin.
5990         (Plugin_manager::get_view): New.
5991
5992 2011-03-21  Ian Lance Taylor  <iant@google.com>
5993
5994         * testsuite/final_layout.sh: Rewrite to not use dc.
5995         * testsuite/relro_test.sh: Fail if dc is not present.
5996
5997 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
5998
5999         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
6000         Change == to -eq.
6001         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
6002         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
6003         Change == to -eq.
6004         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
6005         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
6006
6007 2011-03-14  Ian Lance Taylor  <iant@google.com>
6008
6009         * script-sections.cc (Sort_output_sections::script_compare):
6010         Rename from is_before, change return type.
6011         (Sort_output_sections::operator()): Adjust accordingly.
6012
6013 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
6014
6015         PR gold/12572
6016         * testsuite/odr_violation2.cc: Add comment to make all error line
6017         numbers double digits.
6018         * testsuite/debug_msg.sh: Adjust expected errors.
6019
6020 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
6021
6022         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
6023         but mark earlier ones as non-canonical
6024         (offset_to_iterator): Update search target and example
6025         (do_addr2line): Return extra lines in a vector*
6026         (format_file_lineno): Extract from do_addr2line
6027         (one_addr2line): Add vector* out-param
6028         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
6029         when a lineno entry appeared last for its instruction
6030         (Dwarf_line_info): Add vector* out-param
6031         * object.cc (Relocate_info): Pass NULL for the vector* out-param
6032         * symtab.cc (Odr_violation_compare): Include the lineno in the
6033         comparison again.
6034         (linenos_from_loc): New. Combine the canonical line for an
6035         address with its other lines.
6036         (True_if_intersect): New. Helper functor to make
6037         std::set_intersection a query.
6038         (detect_odr_violations): Compare sets of lines instead of just
6039         one line for each function. This became less deterministic, but
6040         has fewer false positives.
6041         * symtab.h: Declarations.
6042         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
6043         mix an optimized and non-optimized object in the same binary
6044         (odr_violation2.so): Same.
6045         * testsuite/Makefile.in: Regenerate from Makefile.am.
6046         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
6047         * testsuite/debug_msg.sh: Update line numbers and add
6048         assertions.
6049         * testsuite/odr_violation1.cc: Use OdrDerived, in a
6050         non-optimized context.
6051         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
6052         isn't inlined, and use OdrDerived in an optimized context.
6053         * testsuite/odr_header1.h: Defines OdrDerived, where
6054         optimization will change the
6055         first-instruction-in-the-destructor's file and line number.
6056         * testsuite/odr_header2.h: Defines OdrBase.
6057
6058 2011-03-09  Ian Lance Taylor  <iant@google.com>
6059
6060         * fileread.cc (File_read::clear_views): Don't delete the whole
6061         file view.
6062
6063 2011-03-08  Ian Lance Taylor  <iant@google.com>
6064
6065         PR gold/12525
6066         * fileread.cc: #include <climits>.
6067         (GOLD_IOV_MAX): Define.
6068         (File_read::read_multiple): Limit number of entries by iov_max.
6069         * fileread.h (class File_read): Always set max_readv_entries to
6070         128.
6071
6072 2011-03-07  Ian Lance Taylor  <iant@google.com>
6073
6074         PR gold/12525
6075         * options.h (class General_options): Add -dy and -dn.
6076
6077 2011-03-02  Cary Coutant  <ccoutant@google.com>
6078
6079         * testsuite/script_test_9.t: Add TLS segment.
6080
6081 2011-03-02  Simon Baldwin  <simonb@google.com>
6082
6083         * configure.ac: Add check for gnu_indirect_function support in
6084         the toolchain building binutils.
6085         * configure: Rebuild.
6086
6087 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
6088
6089         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
6090         plugin only symbols.
6091         (Symbol_table::sized_finalize_symbol) Mark symbol only present
6092         in plugin files as not needed in the symbol table.
6093
6094 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
6095
6096         * output.cc (Output_section::add_input_section): Delay fill
6097         generation for section ordering.
6098
6099 2011-02-09  Ian Lance Taylor  <iant@google.com>
6100
6101         PR gold/12316
6102         * object.h (class Sized_relobj): Remove clear_local_symbols.
6103         * reloc.cc (Sized_relobj::do_relocate): Don't call
6104         clear_local_symbols.
6105
6106 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
6107
6108         * plugin.cc (is_visible_from_outside): Return true for symbols
6109         in the -u option.
6110
6111 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
6112
6113         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
6114         filename.
6115
6116 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
6117
6118         * icf.h (is_section_foldable_candidate): Change type of parameter
6119         to std::string.
6120         * icf.cc (Icf::find_identical_sections): Change type of local variable
6121         section_name to be std::string.
6122         (is_function_ctor_or_dtor): Change type of parameter to std::string.
6123
6124 2011-01-25  Ian Lance Taylor  <iant@google.com>
6125
6126         * script.cc (script_add_extern): Rewrite to use
6127         add_symbol_reference.
6128
6129 2011-01-25  Doug Kwan  <dougkwan@google.com>
6130
6131         * icf.cc (get_section_contents): Always lock section's object.
6132
6133 2011-01-24  Ian Lance Taylor  <iant@google.com>
6134
6135         * options.h (class General_options): Accept
6136         --no-detect-odr-violations.
6137
6138 2011-01-24  Ian Lance Taylor  <iant@google.com>
6139
6140         * version.cc (version_string): Bump to 1.11.
6141
6142 2011-01-24  Ian Lance Taylor  <iant@google.com>
6143
6144         * plugin.cc (class Plugin_rescan): Define new class.
6145         (Plugin_manager::claim_file): Set any_claimed_.
6146         (Plugin_manager::save_archive): New function.
6147         (Plugin_manager::save_input_group): New function.
6148         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
6149         necessary.
6150         (Plugin_manager::new_undefined_symbol): New function.
6151         (Plugin_manager::rescan): New function.
6152         (Plugin_manager::rescannable_defines): New function.
6153         (Plugin_manager::add_input_file): Set any_added_.
6154         * plugin.h (class Plugin_manager): define new fields rescannable_,
6155         undefined_symbols_, any_claimed_, and any_added_.  Declare
6156         Plugin_rescan as friend.  Declare new functions.
6157         (Plugin_manager::Rescannable): Define type.
6158         (Plugin_manager::Rescannable_list): Define type.
6159         (Plugin_manager::Undefined_symbol_list): Define type.
6160         (Plugin_manager::Plugin_manager): Initialize new fields.
6161         * archive.cc (Archive::defines_symbol): New function.
6162         (Add_archive_symbols::run): Pass archive to plugins if any.
6163         * archive.h (class Archive): Declare defines_symbol.
6164         * readsyms.cc (Input_group::~Input_group): New function.
6165         (Finish_group::run): Pass input_group to plugins if any.
6166         * readsyms.h (class Input_group): Declare destructor.
6167         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
6168         any.
6169
6170 2011-01-10  Ian Lance Taylor  <iant@google.com>
6171
6172         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
6173         section as relro.
6174         (Layout::set_segment_offsets): Reset increase_relro before calling
6175         set_section_addresses a second time.
6176
6177 2011-01-04  Cary Coutant  <ccoutant@google.com>
6178
6179         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
6180         sections before NOBITS sections.
6181
6182 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
6183
6184         * version.cc (print_version): Update copyright to 2011.
6185
6186 2010-12-23  Cary Coutant  <ccoutant@google.com>
6187
6188         * output.h (Output_data_reloc::add_output_section): Pass OD instead
6189         of OS to this->add.  Add OD parameter to second form of the function.
6190
6191 2010-12-20  Ian Lance Taylor  <iant@google.com>
6192
6193         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
6194         second of two consecutive entries with same offset.
6195
6196 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6197
6198         * testsuite/Makefile.am (ifuncmain2static_LDADD)
6199         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
6200         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
6201         to avoid unneeded links against $(LDADD).
6202         * testsuite/Makefile.in: Regenerate.
6203
6204 2010-12-15  Ian Lance Taylor  <iant@google.com>
6205
6206         PR gold/12324
6207         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
6208         for R_X86_64_32 and R_X86_64_PC32.
6209         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
6210         ver_matching_def_pic.o.
6211         (ver_matching_def_pic.o): New target.
6212
6213 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6214
6215         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
6216         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
6217         Move definition before File_read::View member definitions.
6218         (File_read::View::~View): Initialize and hold lock before
6219         updating current_mapped_bytes.
6220
6221 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6222
6223         * dwarf_reader.cc: Remove outdated comment.
6224         * gold-threads.cc: Fix typo in error message.
6225         * archive.cc: Fix typos in comments.
6226         * archive.h: Likewise.
6227         * arm-reloc-property.cc: Likewise.
6228         * arm-reloc-property.h: Likewise.
6229         * arm-reloc.def: Likewise.
6230         * arm.cc: Likewise.
6231         * attributes.h: Likewise.
6232         * cref.cc: Likewise.
6233         * ehframe.cc: Likewise.
6234         * fileread.h: Likewise.
6235         * gold.h: Likewise.
6236         * i386.cc: Likewise.
6237         * icf.cc: Likewise.
6238         * incremental.h: Likewise.
6239         * int_encoding.cc: Likewise.
6240         * layout.h: Likewise.
6241         * main.cc: Likewise.
6242         * merge.h: Likewise.
6243         * object.cc: Likewise.
6244         * object.h: Likewise.
6245         * options.cc: Likewise.
6246         * readsyms.cc: Likewise.
6247         * reduced_debug_output.cc: Likewise.
6248         * reloc.cc: Likewise.
6249         * script-sections.cc: Likewise.
6250         * sparc.cc: Likewise.
6251         * symtab.h: Likewise.
6252         * target-reloc.h: Likewise.
6253         * target.cc: Likewise.
6254         * target.h: Likewise.
6255         * timer.cc: Likewise.
6256         * timer.h: Likewise.
6257         * x86_64.cc: Likewise.
6258
6259 2010-12-09  Cary Coutant  <ccoutant@google.com>
6260
6261         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
6262         stack.
6263         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
6264         parameter; change all callers.
6265         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
6266         * options.h (warn_execstack): New option.
6267
6268 2010-12-07  Doug Kwan  <dougkwan@google.com>
6269
6270         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
6271         like function call relocations.
6272
6273 2010-12-07  Ian Lance Taylor  <iant@google.com>
6274
6275         * archive.cc (Archive::get_elf_object_for_member): Permit
6276         punconfigured to be NULL.
6277         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
6278         (Archive::include_member): Pass NULL to get_elf_object_for_member
6279         if we searched for the archive and this is the first included
6280         object.
6281
6282 2010-12-01  Ian Lance Taylor  <iant@google.com>
6283
6284         * dwarf_reader.h (class Sized_dwarf_line_info): Add
6285         track_relocs_type_ field.
6286         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6287         Set track_relocs_type_.
6288         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
6289         contents when using RELA relocs.
6290         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
6291         reloc_map_.
6292         * reloc.cc (Track_relocs::next_addend): New function.
6293         * reloc.h (class Track_relocs): Declare next_addend.
6294
6295 2010-12-01  Ian Lance Taylor  <iant@google.com>
6296
6297         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
6298         virtual destructor.
6299
6300 2010-12-01  Ian Lance Taylor  <iant@google.com>
6301
6302         * README: Update compilers known to work and fail.
6303
6304 2010-11-23  Matthias Klose  <doko@ubuntu.com>
6305
6306         * configure.in: For --enable-gold, handle value `default' instead of
6307         `both*'.  Always install ld as ld.bfd, install as ld if gold is
6308         not the default.
6309         * configure: Regenerate.
6310
6311 2010-11-18  Doug Kwan  <dougkwan@google.com>
6312
6313         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
6314         and right_alignment to be zero.  Store result alignment only if it is
6315         greater than existing alignment.
6316
6317 2010-11-16  Cary Coutant  <ccoutant@google.com>
6318
6319         PR gold/12220
6320         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6321         Check for ".zdebug_line".
6322
6323 2010-11-16  Doug Kwan  <dougkwan@google.com>
6324             Cary Coutant  <ccoutant@google.com>
6325
6326         * output.h (Output_segment::set_section_addresses): Pass increase_relro
6327         by reference; adjust all callers.
6328         * output.cc (Output_segment::set_section_addresses): Adjust references
6329         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
6330         list is empty.
6331         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
6332         end at page boundary.
6333
6334 2010-11-16  Cary Coutant  <ccoutant@google.com>
6335
6336         PR gold/12220
6337         * layout.cc (Layout::choose_output_section): Transform names of
6338         compressed sections even when using a script with a SECTIONS clause.
6339         (Layout::output_section_name): Remove code to transform
6340         compressed debug section names.
6341         * output.cc (Output_section::add_input_section): Use uncompressed
6342         section size when tracking input sections.
6343
6344 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
6345
6346         * symtab.h (Symbol::NON_PIC_REF): Remove.
6347         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
6348         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
6349         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
6350         (Symbol::use_plt_offset): Take a flags argument and pass it
6351         directly to needs_dynamic_reloc.  Restrict check for undefined
6352         weak symbols to function calls.
6353         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
6354         (Target_arm::Scan::global): Use it.
6355         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
6356         (Target_arm::Relocate::relocate): Likewise.
6357         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
6358         parameter with an r_type parameter.  Use get_reference_flags
6359         to get the flags.
6360         (Target_arm::Relocate::relocate): Update accordingly.
6361         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
6362         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
6363         (Target_i386::Scan::global): Likewise.
6364         (Target_i386::Relocate::relocate): Likewise.
6365         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
6366         parameter with an r_type parameter.  Use get_reference_flags
6367         to get the flags.
6368         (Target_i386::Relocate::relocate): Update accordingly.
6369         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
6370         (Target_powerpc::Scan::global): Use it.
6371         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
6372         (Target_powerpc::Relocate::relocate): Likewise.
6373         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
6374         (Target_sparc::Scan::global): Use it.
6375         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
6376         (Target_sparc::Relocate::relocate): Likewise.
6377         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
6378         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
6379         (Target_x86_64::Scan::global): Likewise.
6380         (Target_x86_64::Relocate::relocate): Likewise.
6381
6382 2010-11-08  Doug Kwan  <dougkwan@google.com>
6383             Cary Coutant  <ccoutant@google.com>
6384
6385         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
6386         (Arm_exidx_merge_section::section_contents_): New data member.
6387         (Arm_input_section::Arm_input_section): Initialize original_contents_.
6388         (Arm_input_section::~Arm_input_section): De-allocate memory.
6389         (Arm_input_section::original_contents_): New data member.
6390         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
6391         in parameters instead of calling Object::section_contents without
6392         locking.
6393         (Arm_output_section::group_section): New parameter TASK.  Pass it
6394         to callees that need locking objects.
6395         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
6396         to lock EXIDX input sections.  Fix a formatting issue.  Call
6397         Arm_exidx_merged_section::build_contents to create merged section
6398         contents.
6399         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
6400         to lock object of stub table owner.
6401         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
6402         TEXT_SIZE to initialize data member TEXT_SIZE_.
6403         (Arm_exidx_input_section::addralign): Fix typo in comment.
6404         (Arm_exidx_input_section::text_size): New method.
6405         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
6406         that require locking objects.  Lock objects before scanning for stubs
6407         and updating local symbols.
6408         (Arm_input_section<big_endian>::init): Copy contents of original
6409         input section.
6410         (Arm_input_section<big_endian>::do_write): Use saved contents of
6411         original input section instead of calling Object::section_contents
6412         without locking.
6413         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
6414         size without calling Object::section_size().
6415         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
6416         for size.  Allocate a buffer for merged EXIDX entries.
6417         (Arm_exidx_merged_section::build_contents): New method.
6418         (Arm_exidx_merged_section::do_write): Move merge section contents
6419         building code to Arm_exidx_merged_section::build_contetns.  Write
6420         out contetns in buffer instead of building it on the fly.
6421         (Arm_relobj::make_exidx_input_section): Also pass text section size
6422         to Arm_exidx_input_section constructor.
6423         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
6424         (Arm_dynobj::do_read_symbols): Fix memory leak.
6425         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
6426         * target.h: (class Task): Add forward declaration.
6427         (Target::relax): Add new parameter TASK and pass it to
6428         Target::do_relax().
6429         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
6430
6431 2010-11-05  Cary Coutant  <ccoutant@google.com>
6432
6433         PR gold/10708
6434         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
6435         object when reading from the file.
6436         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
6437         second layout pass.
6438         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
6439         when reading section contents.
6440         (get_section_contents): Likewise.
6441         (icf::find_identical_sections): Likewise.
6442         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
6443         object when reading from the file.
6444         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
6445         the object when doing deferred section layout.
6446
6447 2010-11-03  Nick Clifton  <nickc@redhat.com>
6448
6449         PR gold/12001
6450         * script.h (class Symbol_assignment: name): New member.  Returns
6451         the name of the symbol.
6452         * scrfipt.cc (Script_options::is_pending_assignment): New member.
6453         Returns true if the given symbol name is on the list of
6454         assignments wating to be processed.
6455         * archive.cc (should_incldue_member): If the symbol is undefined,
6456         check to see if it is on the list of symbols pending assignment.
6457
6458 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
6459
6460         * script-sections.cc (Script_sections::find_memory_region): Check
6461         for a NULL output section pointer.
6462
6463 2010-10-29  Doug Kwan  <dougkwan@google.com>
6464
6465         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
6466         Output_section::add_relaxed_input_section.
6467         * output.cc (Output_section::add_relaxed_input_section): Add new
6468         arguments LAYOUT and NAME.  Set section order index.
6469         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6470         Copy section order index.
6471         * output.h (Output_section::add_relaxed_input_section): Add new
6472         arguments LAYOUT and NAME.
6473
6474 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6475
6476         * testsuite/Makefile.am: Move gcctestdir/ld rule to
6477         NATIVE_OR_CROSS_LINKER.
6478         * testsuite/Makefile.in: Regenerate.
6479
6480 2010-10-20  Doug Kwan  <dougkwan@google.com>
6481
6482         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
6483         without SHF_LINK_ORDER flags.
6484         * layout.cc (Layout::choose_output_section): Do not filter
6485         SHF_LINK_ORDER flag in a relocatable link.
6486
6487 2010-10-17  Cary Coutant  <ccoutant@google.com>
6488
6489         * output.h (Output_segment::set_section_addresses): Change function
6490         signature.  Update all callers.
6491         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
6492         sections.
6493         (Output_segment::set_section_addresses): Align after last TLS
6494         section.  Add padding before last relro section instead of after.
6495
6496 2010-10-17  Doug Kwan  <dougkwan@google.com>
6497
6498         * gold/arm.cc (Target_arm::got_section): Use correct order and set
6499         GOT output section to be writable.
6500
6501 2010-10-14  Cary Coutant  <ccoutant@google.com>
6502
6503         * debug.h (DEBUG_INCREMENTAL): New flag.
6504         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
6505         * gold.cc (queue_initial_tasks): Check parameters for incremental link
6506         mode.
6507         * incremental.cc (report_command_line): Ignore all forms of
6508         --incremental.
6509         * layout.cc (Layout::Layout): Check parameters for incremental link
6510         mode.
6511         * options.cc (General_options::parse_incremental): New function.
6512         (General_options::parse_no_incremental): New function.
6513         (General_options::parse_incremental_full): New function.
6514         (General_options::parse_incremental_update): New function.
6515         (General_options::incremental_mode_): New data member.
6516         (General_options::finalize): Check incremental_mode_.
6517         * options.h (General_options): Update help text for --incremental.
6518         Add --no-incremental, --incremental-full, --incremental-update.
6519         (General_options::Incremental_mode): New enum type.
6520         (General_options::incremental_mode): New function.
6521         (General_options::incremental_mode_): New data member.
6522         * parameters.cc (Parameters::incremental_mode_): New data member.
6523         (Parameters::set_options): Set incremental_mode_.
6524         (Parameters::set_incremental_full): New function.
6525         (Parameters::incremental): New function.
6526         (Parameters::incremental_update): New function.
6527         (set_parameters_incremental_full): New function.
6528         * parameters.h (Parameters::set_incremental_full): New function.
6529         (Parameters::incremental): New function.
6530         (Parameters::incremental_update): New function.
6531         (Parameters::incremental_mode_): New data member.
6532         (set_parameters_incremental_full): New function.
6533         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
6534         incremental link mode.
6535         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
6536         (Sized_relobj::do_relocate_sections): Likewise.
6537         * testsuite/Makefile.am (incremental_test): Use --incremental-full
6538         option.
6539         * testsuite/Makefile.in: Regenerate.
6540         * testsuite/incremental_test.sh: Filter all forms of --incremental.
6541
6542 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6543
6544         * script-sections.h (class Script_sections): Make
6545         Sections_elements typedef public.
6546         * script-sections.cc (class Sort_output_sections): Add elements_
6547         field.  Add constructor which sets it; change all callers.
6548         (Sort_output_sections::is_before): New function.
6549         (Sort_output_sections::operator()): Call is_before.
6550         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
6551         conditional.
6552         * testsuite/script_test_10.sh: New test. Test script section
6553         order.
6554         * testsuite/script_test_10.t: Likewise.
6555         * testsuite/script_test_10.s: Likewise.
6556         * testsuite/Makefile.am: Wrap the cross linker tests and the
6557         common tests into NATIVE_OR_CROSS_LINKER.
6558         (check_SCRIPTS): Add script_test_10.sh.
6559         (check_DATA): Add script_test_10.stdout.
6560         (script_test_10.o, script_test_10): New targets.
6561         (script_test_10.stdout): New target.
6562         * configure, testsuite/Makefile.in: Regenerate.
6563
6564 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6565
6566         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
6567         error for the deprecated relocations.
6568         (Target_arm::Scan::global): Likewise.
6569         (Target_arm::Relocate::relocate): Likewise.
6570
6571 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
6572
6573         * fileread.cc (Input_file::find_file): Initialize *found_name
6574         and *namep when using the fallback search for case 4.
6575
6576 2010-10-11  Cary Coutant  <ccoutant@google.com>
6577
6578         * options.h (class General_options): Redefine -z lazy as an alias for
6579         the negation of -z now.
6580
6581 2010-10-11  Ian Lance Taylor  <iant@google.com>
6582
6583         * resolve.cc (symbol_to_bits): Report the value of the unsupported
6584         binding.
6585
6586 2010-10-06  Nick Clifton  <nickc@redhat.com>
6587
6588         * script-sections.cc(class Memory_region): Remove
6589         current_lma_offset_ field.  Rename current_vma_offset_ to
6590         current_offset_.  Add last_section_ field.
6591         (Memory_region::get_current_vma_address): Rename to
6592         get_current_address.
6593         (Memory_region::get_current_lma_address): Delete.
6594         (Memory_region::increment_vma_offset): Rename to
6595         increment_offset.
6596         (Memory_region::increment_lma_offset): Delete.
6597         (Memory_region::attributes_compatible): New method.  Returns
6598         true if the provided section is compatible with the region.
6599         (Memory_region::get_last_section): New method.  Returns the last
6600         section to use the region.
6601         (Memory_region::set_last_section): New method.  Stores the last
6602         section to use the region.
6603         (Script_sections::block_in_region): New method.  Returns true if
6604         a block of memory is contained within a region.
6605         (Script_sections::find_memory_region): New method.  Locates a
6606         memory region to be used to set a VMA or LMA address.
6607         (Output_section_definition::set_section_addresses): Add code to
6608         check for addresses set by memory regions.
6609         (Output_segment::set_section_addresses): Remove memory region
6610         walking code.
6611         (Script_sections::create_segment): Add a warning if a header
6612         segment is created outside of any region.
6613         * script-sections.h (class Script_sections): Add prototypes for
6614         find_memory_region and block_in_region methods.
6615         * testsuite/memory_test.s: Use .long instead of .word.
6616         * testsuite/memory_test.t: Add some more output sections.
6617         * testsuite/memory_test.sh: Update expected output.
6618
6619 2010-10-02  Doug Kwan  <dougkwan@google.com>
6620
6621         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
6622         defintion to symtab.h
6623         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
6624         declaration to defintion.
6625
6626 2010-10-01  Nick Clifton  <nickc@redhat.com>
6627
6628         * expression.cc (eval): Replace dummy argument with NULL.
6629         (eval_maybe_dot): Check for a NULL result section pointer.
6630         (Symbol_expression::value): Likewise.
6631         (Dot_expression::value): Likewise.
6632         (BINARY_EXPRESSION): Likewise.
6633         (Max_expression::value): Likewise.
6634         (Min_expression::value): Likewise.
6635         (Absolute_expression::value): Likewise.
6636         (Addr_expression::value_from_output_section): Likewise.
6637         (Loaddddr_expression::value_from_output_section): Likewise.
6638         (Segment_start_expression::value): Likewise.
6639         * script-sections.cc
6640         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
6641         argument with NULL.
6642         (Sections_elememt_dot_assignment::set_section_addresses):
6643         Likewise.
6644         (Output_data_expression::do_write_to_buffer): Likewise.
6645         (Output_section_definition::finalize_symbols): Likewise.
6646         (Output_section_definition::set_section_addresses): Likewise.
6647
6648 2010-09-30  Doug Kwan  <dougkwan@google.com>
6649
6650         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
6651
6652 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
6653
6654         * target.h (Target::can_icf_inline_merge_sections): New virtual
6655         function.
6656         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
6657         virtual function.
6658         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
6659         virtual function.
6660         * icf.cc (get_section_contents): Inline merge sections only when
6661         target allows it.
6662
6663 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6664
6665         * configure: Regenerate.
6666
6667 2010-09-17  Ian Lance Taylor  <iant@google.com>
6668
6669         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
6670         * testsuite/Makefile.am (memory_test.o): New target.
6671         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
6672         memory_test.t.
6673         * testsuite/Makefile.in: Rebuild.
6674
6675 2010-09-17  Doug Kwan  <dougkwan@google.com>
6676
6677         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
6678         defintion if relocation uses GOT entries of the symbol.
6679         * testsuite/icf_safe_test.sh: Fix test.
6680         * testsuite/icf_safe_so_test.sh: Fix test.
6681
6682 2010-09-16  Cary Coutant  <ccoutant@google.com>
6683
6684         * script_sections.cc (class Memory_region): Remove "NULL" from
6685         vector initializations.
6686
6687 2010-09-15  Cary Coutant  <ccoutant@google.com>
6688
6689         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
6690         Resolve forwarding symbols.
6691
6692 2010-09-15  Doug Kwan  <dougkwan@google.com>
6693
6694         * gold/testsuite/script_test_3.t: Add ARM special sections.
6695         * gold/testsuite/script_test_4.t: Same.
6696         * gold/testsuite/script_test_5.t: Same.
6697         * gold/testsuite/script_test_6.t: Same.
6698         * gold/testsuite/script_test_7.t: Same.
6699         * gold/testsuite/script_test_7.t: Same.
6700         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
6701
6702 2010-09-14  Cary Coutant  <ccoutant@google.com>
6703
6704         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
6705         (Target_x86_64::Relocate::relocate_tls): Replace check for
6706         saw_tls_block_reloc_ with test for executable section.
6707
6708 2010-09-12  Cary Coutant  <ccoutant@google.com>
6709
6710         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
6711         position-independent executables to shared libraries need dynamic
6712         relocations.
6713         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
6714         position-independent executables.
6715         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
6716         * testsuite/Makefile.in: Regenerate.
6717
6718 2010-09-10  Nick Clifton  <nickc@redhat.com>
6719
6720         PR gold/11997
6721         * testsuite/memory_test.t: Discard any sections that are not
6722         needed.
6723
6724 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
6725
6726         PR gold/11996
6727         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
6728         "This::" to work around a bug in gcc 4.2.
6729
6730         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
6731
6732 2010-09-09  Rafael Espindola  <espindola@google.com>
6733
6734         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
6735         sections with different PF_X flags in the same segment.
6736         (Layout::find_first_load_seg): Search all segments to find the first
6737         one.
6738         * options.h (rosegment): New.
6739
6740 2010-09-08  Rafael Espindola  <espindola@google.com>
6741
6742         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
6743
6744 2010-09-08  Doug Kwan  <dougkwan@google.com>
6745
6746         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
6747         (Arm_relobj::do_relocate_sections): Add new parameter for output
6748         file to match the parent.
6749         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
6750         of local symbols instead of input values.  Update code to track
6751         changes in gold::relocate_section.
6752         * object.cc (Sized_relobj::compute_final_local_value): New methods.
6753         (Sized_relobj::compute_final_local_value_internal): New methods.
6754         (Sized_relobj::do_finalize_local_symbols): Move code from loop
6755         body into private version of Sized_relobj::compute_final_local_value.
6756         Call the inline method.
6757         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
6758         merged symbol value if there is one.
6759         (Symbol_value::has_output_value): New method defintiion.
6760         (Sized_relobj::Compute_final_local_value_status): New enum type.
6761         (Sized_relobj::compute_final_local_value): New methods.
6762         (Sized_relobj::compute_final_local_value_internal): New methods.
6763         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
6764         and arm_cortex_a8.sh.
6765         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
6766         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
6767         New tests.
6768         * Makefile.in: Regenerate.
6769         * testsuite/arm_bl_out_of_range.s: Update test.
6770         * testsuite/thumb_bl_out_of_range.s: Ditto.
6771         * testsuite/thumb_blx_out_of_range.s: Ditto.
6772         * testsuite/arm_branch_out_of_range.sh: New file.
6773         * testsuite/arm_cortex_a8.sh: Ditto.
6774         * testsuite/arm_cortex_a8_b.s: Ditto.
6775         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
6776         * testsuite/arm_cortex_a8_b_local.s: Ditto.
6777         * testsuite/arm_cortex_a8_bl.s: Ditto.
6778         * testsuite/arm_cortex_a8_blx.s: Ditto.
6779         * testsuite/arm_cortex_a8_local.s: Ditto.
6780         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
6781         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
6782
6783 2010-09-08  Rafael Espindola  <espindola@google.com>
6784
6785         * Makefile.am (memory_test.stdout): Run readelf with -W.
6786         * Makefile.in: Regenerate.
6787         * testsuite/memory_test.sh: Make the regexps accept both 32 and
6788         64 bit output.
6789
6790 2010-09-08  Rafael Espindola  <espindola@google.com>
6791
6792         * script-sections.cc (Script_sections::add_memory_region): Convert
6793         field precision to int.
6794         * script.cc (script_set_section_region, script_set_section_region):
6795         Convert field precision to int.
6796
6797 2010-09-08  Rafael Espindola  <espindola@google.com>
6798
6799         * arm.cc (do_finalize_sections): Create the __exidx_start and
6800         __exdix_end symbols even when the section is missing.
6801
6802 2010-09-08  Nick Clifton  <nickc@redhat.com>
6803
6804         * README: Remove claim that MEMORY is not supported.
6805         * expression.cc (script_exp_function_origin)
6806         (script_exp_function_length): Move from here to ...
6807         * script.cc: ... here.
6808         (script_set_section_region, script_add_memory)
6809         (script_parse_memory_attr, script_include_directive): New
6810         functions.
6811         * script-sections.cc
6812         (class Memory_region): New class.
6813         (class Output_section_definition): Add set_memory_region,
6814         set_section_vma, set_section_lma and get_section_name methods.
6815         (class Script_Sections): Add add_memory_region,
6816         find_memory_region, find_memory_region_origin,
6817         find_memory_region_length and set_memory_region methods.
6818         Have set_section_addresses method walk the list of set memory
6819         regions.
6820         Extend the print methos to display memory regions.
6821         * script-sections.h: Add prototypes for new methods.
6822         Add enum for MEMORY region attributes.
6823         * yyscript.y: Add support for parsing MEMORY regions.
6824         * script-c.h: Add prototypes for new functions.
6825         * testsuite/Makefile.am: Add test of MEMORY region functionality.
6826         * testsuite/Makefile.in: Regenerate.
6827         * testsuite/memory_test.sh: New script.
6828         * testsuite/memory_test.s: New assembler source file.
6829         * testsuite/memory_test.t: New linker script.
6830
6831 2010-08-27  Doug Kwan  <dougkwan@google.com>
6832
6833         * gold/resolve.cc (Symbol_table::should_override): Let a weak
6834         reference override an existing dynamic weak reference.
6835         * testsuite/Makefile.am: Add new test dyn_weak_ref.
6836         * testsuite/Makefile.in: Regenerate.
6837         * testsuite/dyn_weak_ref.sh: New file.
6838         * testsuite/dyn_weak_ref_1.c: Ditto.
6839         * testsuite/dyn_weak_ref_2.c: Ditto.
6840
6841 2010-08-27  Ian Lance Taylor  <iant@google.com>
6842
6843         * incremental.h (class Incremental_input_entry): Add virtual
6844         destructor.
6845
6846 2010-08-27  Ian Lance Taylor  <iant@google.com>
6847
6848         * testsuite/start_lib_test_3.c: Mark t3 as used.
6849
6850 2010-08-27  Nick Clifton  <nickc@redhat.com>
6851
6852         * options.cc (version_script): Fix small typo in previous
6853         whitespace tidyup.
6854
6855 2010-08-25  Nick Clifton  <nickc@redhat.com>
6856
6857         * archive.cc: Formatting fixes: Remove whitespace between
6858         typename and following asterisk.  Remove whitespace between
6859         function name and opening parenthesis.
6860         * archive.h: Likewise.
6861         * arm.cc: Likewise.
6862         * attributes.cc: Likewise.
6863         * attributes.h: Likewise.
6864         * common.cc: Likewise.
6865         * copy-relocs.cc: Likewise.
6866         * dirsearch.h: Likewise.
6867         * dynobj.cc: Likewise.
6868         * ehframe.cc: Likewise.
6869         * ehframe.h: Likewise.
6870         * expression.cc: Likewise.
6871         * fileread.cc: Likewise.
6872         * fileread.h: Likewise.
6873         * gc.h: Likewise.
6874         * gold-threads.cc: Likewise.
6875         * gold.cc: Likewise.
6876         * i386.cc: Likewise.
6877         * icf.h: Likewise.
6878         * incremental-dump.cc: Likewise.
6879         * incremental.cc: Likewise.
6880         * layout.cc: Likewise.
6881         * layout.h: Likewise.
6882         * main.cc: Likewise.
6883         * merge.cc: Likewise.
6884         * merge.h: Likewise.
6885         * object.cc: Likewise.
6886         * object.h: Likewise.
6887         * options.cc: Likewise.
6888         * options.h: Likewise.
6889         * output.cc: Likewise.
6890         * output.h: Likewise.
6891         * plugin.cc: Likewise.
6892         * plugin.h: Likewise.
6893         * powerpc.cc: Likewise.
6894         * reloc.cc: Likewise.
6895         * script-c.h: Likewise.
6896         * script-sections.cc: Likewise.
6897         * script.cc: Likewise.
6898         * stringpool.cc: Likewise.
6899         * symtab.cc: Likewise.
6900         * symtab.h: Likewise.
6901         * target.cc: Likewise.
6902         * timer.cc: Likewise.
6903         * timer.h: Likewise.
6904         * version.cc: Likewise.
6905         * x86_64.cc: Likewise.
6906
6907 2010-08-24  Nick Clifton  <nickc@redhat.com>
6908
6909         PR 11899
6910         * layout.cc (segment_precedes): Sort segments by their physical
6911         addresses, if they have been set.
6912
6913 2010-08-23  Cary Coutant  <ccoutant@google.com>
6914
6915         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
6916         symbols data.
6917         (Lib_group::include_member): Unlock object after deleting its
6918         symbols data.
6919         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
6920         the bug fixed here.
6921
6922 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
6923             Cary Coutant  <ccoutant@google.com>
6924
6925         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
6926         constructor, and set_blocker.
6927         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
6928         readsyms_blocker_.
6929         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
6930         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
6931         * testsuite/Makefile.am (start_lib_test): New test case.
6932         * testsuite/Makefile.in: Regenerate.
6933         * testsuite/start_lib_test_main.c: New file.
6934         * testsuite/start_lib_test_1.c: New file.
6935         * testsuite/start_lib_test_2.c: New file.
6936         * testsuite/start_lib_test_3.c: New file.
6937
6938 2010-08-19  Ian Lance Taylor  <iant@google.com>
6939
6940         * Makefile.in: Rebuild with automake 1.11.1.
6941         * aclocal.m4: Likewise.
6942         * testsuite/Makefile.in: Likewise.
6943
6944 2010-08-19  Ian Lance Taylor  <iant@google.com>
6945
6946         PR 10893
6947         * i386.cc (class Output_data_plt_i386): Update declarations.
6948         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
6949         local_ifuncs_ fields.
6950         (Target_i386::do_plt_section_for_global): New function.
6951         (Target_i386::do_plt_section_for_local): New function.
6952         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
6953         parameter; change all callers.  Initialize global_ifuncs_ and
6954         local_ifuncs_.  If doing a static link define __rel_iplt_start and
6955         __rel_iplt_end.
6956         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
6957         (Output_data_plt_i386::add_local_ifunc_entry): New function.
6958         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
6959         symbols.
6960         (Target_i386::make_plt_section): New function, broken out of
6961         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
6962         (Target_i386::make_plt_entry): Call make_plt_section.
6963         (Target_i386::make_local_ifunc_plt_entry): New function.
6964         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
6965         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
6966         R_386_IRELATIVE to switch.
6967         (Target_i386::Scan::global): Likewise.
6968         (Target_i386::Relocate::relocate): Likewise.
6969         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
6970         switch.
6971         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
6972         (Target_x86_64::do_plt_section_for_global): New function.
6973         (Target_x86_64::do_plt_section_for_local): New function.
6974         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
6975         parameter; change all callers.  If doing a static link define
6976         __rela_iplt_start and __rela_iplt_end.
6977         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
6978         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
6979         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
6980         to point to .plt.
6981         (Target_x86_64::make_local_ifunc_plt_entry): New function.
6982         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
6983         switch.
6984         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
6985         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
6986         R_X86_64_IRELATIVE to switch.
6987         (Target_x86_64::Scan::global): Likewise.
6988         (Target_x86_64::Relocate::relocate): Likewise.
6989         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
6990         switch.
6991         * target.h (class Target): Add plt_section_for_global and
6992         plt_section_for_local functions.  Add do_plt_section_for_global
6993         and do_plt_section_for_local virtual functions.
6994         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
6995         clarifying comments.
6996         (Symbol::use_plt_offset): Handle IFUNC symbol.
6997         * object.cc (Sized_relobj::Sized_relobj): Initialize
6998         local_plt_offsets_.
6999         (Sized_relobj::local_has_plt_offset): New function.
7000         (Sized_relobj::local_plt_offset): New function.
7001         (Sized_relobj::set_local_plt_offset): New function.
7002         (Sized_relobj::do_count): Handle IFUNC symbol.
7003         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
7004         a bit away from input_shndx_ field.  Add set_is_func_symbol and
7005         is_ifunc_symbol functions.
7006         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
7007         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
7008         local_plt_offsets_ field.
7009         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
7010         * output.h (class Output_section_data): Add non-const
7011         output_section function.
7012         (class Output_data_got): Update declarations.
7013         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
7014         Add use_plt_offset parameter to global and local constructors.
7015         Change all callers.  Change local_sym_index_ field to 31 bits.
7016         Change GSYM_CODE and CONSTANT_CODE accordingly.
7017         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
7018         doing a static link don't set sh_link field.
7019         (Output_data_got::Got_entry::write): Use PLT offset if
7020         appropriate.
7021         (Output_data_got::add_global_plt): New function.
7022         (Output_data_got::add_local_plt): New function.
7023         * target-reloc.h (relocate_section): Handle IFUNC symbol.
7024         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
7025         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
7026         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
7027         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
7028         IFUNC conditional.
7029         * testsuite/ifunc-sel.h: New file.
7030         * testsuite/ifuncmain1.c: New file.
7031         * testsuite/ifuncmain1vis.c: New file.
7032         * testsuite/ifuncmod1.c: New file.
7033         * testsuite/ifuncdep2.c: New file.
7034         * testsuite/ifuncmain2.c: New file.
7035         * testsuite/ifuncmain3.c: New file.
7036         * testsuite/ifuncmod3.c: New file.
7037         * testsuite/ifuncmain4.c: New file.
7038         * testsuite/ifuncmain5.c: New file.
7039         * testsuite/ifuncmod5.c: New file.
7040         * testsuite/ifuncmain6pie.c: New file.
7041         * testsuite/ifuncmod6.c: New file.
7042         * testsuite/ifuncmain7.c: New file.
7043         * configure, testsuite/Makefile.in: Rebuild.
7044
7045 2010-08-18  Ian Lance Taylor  <iant@google.com>
7046
7047         * incremental.cc
7048         (Output_section_incremental_inputs::write_input_files): Add cast
7049         to avoid signed/unsigned comparison warning.
7050         (Output_section_incremental_inputs::write_info_blocks): Likewise.
7051
7052 2010-08-12  Cary Coutant  <ccoutant@google.com>
7053
7054         * common.cc (Sort_commons::operator()): Remove unnecessary code.
7055
7056 2010-08-13  Ian Lance Taylor  <iant@google.com>
7057
7058         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
7059
7060 2010-08-12  Cary Coutant  <ccoutant@google.com>
7061             Doug Kwan  <dougkwan@google.com>
7062
7063         * resolve.cc (Symbol_table::should_override): When a weak dynamic
7064         defintion overrides non-weak undef, remember that the original undef
7065         is not weak.
7066         * symtab.cc (Symbol_table::sized_write_global): For undef without
7067         an original weak binding, set binding to global in output.
7068         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
7069         * testsuite/Makefile.in: Regenerate.
7070         * testsuite/strong_ref_weak_def.sh: New file.
7071         * testsuite/strong_ref_weak_def_1.c: Ditto.
7072         * testsuite/strong_ref_weak_def_2.c: Ditto.
7073
7074 2010-08-12  Cary Coutant  <ccoutant@google.com>
7075
7076         * testsuite/incremental_test.sh: Rewrite.
7077         * testsuite/incremental_test_1.c: Rewrite.
7078         * testsuite/incremental_test_2.c: Rewrite.
7079
7080 2010-08-12  Cary Coutant  <ccoutant@google.com>
7081
7082         * arm.cc (Target_arm::got_size): Add const.
7083         (Target_arm::got_entry_count): New function.
7084         (Target_arm::plt_entry_count): New function.
7085         (Target_arm::first_plt_entry_offset): New function.
7086         (Target_arm::plt_entry_size): New function.
7087         (Output_data_plt_arm::entry_count): New function.
7088         (Output_data_plt_arm::first_plt_entry_offset): New function.
7089         (Output_data_plt_arm::get_plt_entry_size): New function.
7090         * i386.cc (Target_i386::got_size): Add const.
7091         (Target_i386::got_entry_count): New function.
7092         (Target_i386::plt_entry_count): New function.
7093         (Target_i386::first_plt_entry_offset): New function.
7094         (Target_i386::plt_entry_size): New function.
7095         (Output_data_plt_i386::entry_count): New function.
7096         (Output_data_plt_i386::first_plt_entry_offset): New function.
7097         (Output_data_plt_i386::get_plt_entry_size): New function.
7098         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
7099         find_incremental_inputs_sections.  Dump incremental_got_plt section.
7100         * incremental.cc: Include target.h.
7101         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
7102         parameter.  Adjust all callers.  Find incremental_got_plt section.
7103         (Incremental_inputs::create_data_sections): Create incremental_got_plt
7104         section.
7105         (Output_section_incremental_inputs::set_final_data_size): Calculate
7106         size of incremental_got_plt section.
7107         (Output_section_incremental_inputs::do_write): Write the
7108         incremental_got_plt section.
7109         (Got_plt_view_info): New struct.
7110         (Local_got_offset_visitor): New class.
7111         (Global_got_offset_visitor): New class.
7112         (Global_symbol_visitor_got_plt): New class.
7113         (Output_section_incremental_inputs::write_got_plt): New function.
7114         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
7115         Add parameter.  Adjust all callers.
7116         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
7117         (Incremental_inputs::got_plt_section): New function.
7118         (Incremental_inputs::got_plt_section_): New data member.
7119         (Incremental_got_plt_reader): New class.
7120         * layout.cc (Layout::create_incremental_info_sections): Add the
7121         incremental_got_plt section.
7122         * object.h (Got_offset_list::get_list): New function.
7123         (Got offset_list::for_all_got_offsets): New function.
7124         (Sized_relobj::local_got_offset_list): New function.
7125         * powerpc.cc (Target_powerpc::got_size): Add const.
7126         (Target_powerpc::got_entry_count): New function.
7127         (Target_powerpc::plt_entry_count): New function.
7128         (Target_powerpc::first_plt_entry_offset): New function.
7129         (Target_powerpc::plt_entry_size): New function.
7130         (Output_data_plt_powerpc::entry_count): New function.
7131         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
7132         (Output_data_plt_powerpc::get_plt_entry_size): New function.
7133         * sparc.cc (Target_sparc::got_size): Add const.
7134         (Target_sparc::got_entry_count): New function.
7135         (Target_sparc::plt_entry_count): New function.
7136         (Target_sparc::first_plt_entry_offset): New function.
7137         (Target_sparc::plt_entry_size): New function.
7138         (Output_data_plt_sparc::entry_count): New function.
7139         (Output_data_plt_sparc::first_plt_entry_offset): New function.
7140         (Output_data_plt_sparc::get_plt_entry_size): New function.
7141         * symtab.h (Symbol::got_offset_list): New function.
7142         (Symbol_table::for_all_symbols): New function.
7143         * target.h (Sized_target::got_entry_count): New function.
7144         (Sized_target::plt_entry_count): New function.
7145         (Sized_target::plt_entry_size): New function.
7146         * x86_64.cc (Target_x86_64::got_size): Add const.
7147         (Target_x86_64::got_entry_count): New function.
7148         (Target_x86_64::plt_entry_count): New function.
7149         (Target_x86_64::first_plt_entry_offset): New function.
7150         (Target_x86_64::plt_entry_size): New function.
7151         (Output_data_plt_x86_64::entry_count): New function.
7152         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
7153         (Output_data_plt_x86_64::get_plt_entry_size): New function.
7154
7155 2010-08-12  Cary Coutant  <ccoutant@google.com>
7156
7157         * archive.cc: Include incremental.h.
7158         (Archive::Archive): Initialize incremental_info_.
7159         (Archive::include_member): Record archive members in incremental info.
7160         (Add_archive_symbols::run): Record begin and end of an archive in
7161         incremental info.
7162         (Lib_group::include_member): Record objects in incremental info.
7163         * archive.h (Incremental_archive_entry): Forward declaration.
7164         (Archive::set_incremental_info): New member function.
7165         (Archive::incremental_info): New member function.
7166         (Archive::Unused_symbol_iterator): New class.
7167         (Archive::unused_symbols_begin): New member function.
7168         (Archive::unused_symbols_end): New member function.
7169         (Archive::incremental_info_): New data member.
7170         * incremental-dump.cc (find_input_containing_global): New function.
7171         (dump_incremental_inputs): Dump new incremental info sections.
7172         * incremental.cc: Include symtab.h.
7173         (Output_section_incremental_inputs): New class.
7174         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
7175         new incremental info sections.
7176         (Sized_incremental_binary::do_check_inputs): Likewise.
7177         (Incremental_inputs::report_archive): Remove.
7178         (Incremental_inputs::report_archive_begin): New function.
7179         (Incremental_inputs::report_archive_end): New function.
7180         (Incremental_inputs::report_object): New function.
7181         (Incremental_inputs::finalize_inputs): Remove.
7182         (Incremental_inputs::report_input_section): New function.
7183         (Incremental_inputs::report_script): Rewrite.
7184         (Incremental_inputs::finalize): Do nothing but finalize string table.
7185         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
7186         (Incremental_inputs::sized_create_inputs_section_data): Remove.
7187         (Incremental_inputs::create_data_sections): New function.
7188         (Incremental_inputs::relocs_entsize): New function.
7189         (Output_section_incremental_inputs::set_final_data_size): New function.
7190         (Output_section_incremental_inputs::do_write): New function.
7191         (Output_section_incremental_inputs::write_header): New function.
7192         (Output_section_incremental_inputs::write_input_files): New function.
7193         (Output_section_incremental_inputs::write_info_blocks): New function.
7194         (Output_section_incremental_inputs::write_symtab): New function.
7195         * incremental.h (Incremental_script_entry): Forward declaration.
7196         (Incremental_object_entry): Forward declaration.
7197         (Incremental_archive_entry): Forward declaration.
7198         (Incremental_inputs): Forward declaration.
7199         (Incremental_inputs_header_data): Remove.
7200         (Incremental_inputs_header): Remove.
7201         (Incremental_inputs_header_write): Remove.
7202         (Incremental_inputs_entry_data): Remove.
7203         (Incremental_inputs_entry): Remove.
7204         (Incremental_inputs_entry_write): Remove.
7205         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
7206         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
7207         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
7208         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
7209         Likewise.
7210         (Incremental_input_entry): New class.
7211         (Incremental_script_entry): New class.
7212         (Incremental_object_entry): New class.
7213         (Incremental_archive_entry): New class.
7214         (Incremental_inputs::Incremental_inputs): Initialize new data members.
7215         (Incremental_inputs::report_inputs): Remove.
7216         (Incremental_inputs::report_archive): Remove.
7217         (Incremental_inputs::report_archive_begin): New function.
7218         (Incremental_inputs::report_archive_end): New function.
7219         (Incremental_inputs::report_object): Change prototype.
7220         (Incremental_inputs::report_input_section): New function.
7221         (Incremental_inputs::report_script): Change prototype.
7222         (Incremental_inputs::get_reloc_count): New function.
7223         (Incremental_inputs::set_reloc_count): New function.
7224         (Incremental_inputs::create_data_sections): New function.
7225         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
7226         (Incremental_inputs::inputs_section): New function.
7227         (Incremental_inputs::symtab_section): New function.
7228         (Incremental_inputs::relocs_section): New function.
7229         (Incremental_inputs::get_stringpool): Add const.
7230         (Incremental_inputs::command_line): Add const.
7231         (Incremental_inputs::inputs): Remove.
7232         (Incremental_inputs::command_line_key): New function.
7233         (Incremental_inputs::input_file_count): New function.
7234         (Incremental_inputs::input_files): New function.
7235         (Incremental_inputs::relocs_entsize): New function.
7236         (Incremental_inputs::sized_create_inputs_section_data): Remove.
7237         (Incremental_inputs::finalize_inputs): Remove.
7238         (Incremental_inputs::Input_info): Remove.
7239         (Incremental_inputs::lock_): Remove.
7240         (Incremental_inputs::inputs_): Change type.
7241         (Incremental_inputs::inputs_map_): Remove.
7242         (Incremental_inputs::current_object_entry_): New data member.
7243         (Incremental_inputs::inputs_section_): New data member.
7244         (Incremental_inputs::symtab_section_): New data member.
7245         (Incremental_inputs::relocs_section_): New data member.
7246         (Incremental_inputs::reloc_count_): New data member.
7247         (Incremental_inputs_reader): New class.
7248         (Incremental_symtab_reader): New class.
7249         (Incremental_relocs_reader): New class.
7250         * layout.cc (Layout::finalize): Move finalization of incremental info
7251         and creation of incremental info sections to follow finalization of
7252         symbol table.  Set offsets for postprocessing sections.
7253         (Layout::create_incremental_info_sections): Call
7254         Incremental_inputs::create_data_sections.  Add incremental symtab
7255         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
7256         sections to layout after input sections.
7257         * layout.h (struct Timespec): Forward declaration.
7258         (Layout::incremental_inputs): Add const.
7259         (Layout::create_incremental_info_sections): Add parameter.
7260         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
7261         * object.cc: Include incremental.h.
7262         (Relobj::finalize_incremental_relocs): New function.
7263         (Sized_relobj::do_layout): Record input sections in incremental info.
7264         * object.h (Object::output_section): New function.
7265         (Object::output_section_offset): Moved from Relobj.
7266         (Object::get_incremental_reloc_base): New function.
7267         (Object::get_incremental_reloc_count): New function.
7268         (Object::do_output_section): New function.
7269         (Object::do_output_section_offset): Moved from Relobj.
7270         (Object::do_get_incremental_reloc_base): New function.
7271         (Object::do_get_incremental_reloc_count): New function.
7272         (Object::Object): Initialize new data members.
7273         (Relobj::output_section): Renamed do_output_section and moved to
7274         protected.
7275         (Relobj::output_section_offset): Moved to Object.
7276         (Relobj::do_get_incremental_reloc_base): New function.
7277         (Relobj::do_get_incremental_reloc_count): New function.
7278         (Relobj::allocate_incremental_reloc_counts): New function.
7279         (Relobj::count_incremental_reloc): New function.
7280         (Relobj::finalize_incremental_relocs): New function.
7281         (Relobj::next_incremental_reloc_index): New function.
7282         (Relobj::reloc_counts_): New data member.
7283         (Relobj::reloc_bases_): New data member.
7284         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
7285         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
7286         (Sized_relobj::incremental_relocs_scan): New function.
7287         (Sized_relobj::incremental_relocs_scan_reltype): New function.
7288         (Sized_relobj::incremental_relocs_write): New function.
7289         (Sized_relobj::incremental_relocs_write_reltype): New function.
7290         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
7291         incremental link.
7292         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
7293         archives and object files elsewhere.
7294         (Add_symbols::run): Report object files here.
7295         (Finish_group::run): Report end of archive at end of group.
7296         * reloc.cc: Include layout.h, incremental.h.
7297         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
7298         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
7299         (Sized_relobj::incremental_relocs_scan): New function.
7300         (Sized_relobj::incremental_relocs_scan_reltype): New function.
7301         (Sized_relobj::do_relocate_sections): Write incremental relocations.
7302         (Sized_relobj::incremental_relocs_write): New function.
7303         (Sized_relobj::incremental_relocs_write_reltype): New function.
7304         * script.cc (read_input_script): Rewrite test for incremental link.
7305         Change call to Incremental_inputs::report_script.
7306         * symtab.h (Symbol_table::first_global_index): New function.
7307         (Symbol_table::output_count): New function.
7308
7309 2010-08-12  Doug Kwan  <dougkwan@google.com>
7310
7311         * arm.cc (Target_arm::merge_object_attributes): Check command line
7312         options --no-wchar-size-warning and --no-enum-size-warning.
7313         * options.h (General_options): Add ld-compatible options
7314         --no-enum-size-warning and --no-wchar-size-warning.
7315
7316 2010-08-04  Ian Lance Taylor  <iant@google.com>
7317
7318         * x86_64.cc (Target_x86_64::Scan::local): Use
7319         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
7320         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
7321         (Target_x86_64::Scan::global): Likewise.
7322         (Target_x86_64::Relocate::relocate): Likewise.
7323         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
7324         Likewise.
7325
7326 2010-08-03  Cary Coutant  <ccoutant@google.com>
7327
7328         * merge.cc (Output_merge_string::do_add_input_section): Count strings
7329         to reserve space in merged_strings vector. Keep total input size
7330         for stats.
7331         (Output_merge_string::do_print_merge_stats): Print total input size.
7332         * merge.h (Output_merge_string): Add input_size_ field.
7333         * stringpool.cc (Stringpool_template::string_length): Move
7334         implementations out of Stringpool_template class and place in
7335         stringpool.h.
7336         * stringpool.h (string_length): Move out of Stringpool_template.
7337
7338 2010-08-03  Ian Lance Taylor  <iant@google.com>
7339
7340         PR 11712
7341         * layout.cc (relaxation_loop_body): If address of load segment is
7342         set, adjust address to include headers if possible.
7343
7344 2010-08-03  Ian Lance Taylor  <iant@google.com>
7345
7346         * version.cc (version_string): Bump to 1.10.
7347
7348 2010-08-03  Ian Lance Taylor  <iant@google.com>
7349
7350         PR 11805
7351         * layout.h (enum Output_section_order): Define.
7352         (class Layout): Update declarations.
7353         * layout.cc (Layout::get_output_section): Add order parameter.
7354         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
7355         is_first_non_relro parameters.  Change all callers.
7356         (Layout::choose_output_section): Likewise.
7357         (Layout::add_output_section_data): Likewise.
7358         (Layout::make_output_section): Likewise.  Set order.
7359         (Layout::default_section_order): New function.
7360         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
7361         * output.cc (Output_section::Output_section): Initialize order_.
7362         Don't initialize deleted fields.
7363         (Output_segment::Output_segment): Don't initialize deleted
7364         fields.
7365         (Output_segment::add_output_section_to_load): New function
7366         replacing add_output_section.  Change all callers to call this or
7367         add_output_section_to_nonload.
7368         (Output_segment::add_output_section_to_nonload): New function.
7369         (Output_segment::remove_output_section): Rewrite.
7370         (Output_segment::add_initial_output_data): Likewise.
7371         (Output_segment::has_any_data_sections): Likewise.
7372         (Output_segment::is_first_section_relro): Likewise.
7373         (Output_segment::maximum_alignment): Likewise.
7374         (Output_segment::has_dynamic_reloc): New function replacing
7375         dynamic_reloc_count.  Change all callers.
7376         (Output_segment::has_dynamic_reloc_list): New function replacing
7377         dynamic_reloc_count_list.  Change all callers.
7378         (Output_segment::set_section_addresses): Rewrite.
7379         (Output_segment::set_offset): Rewrite.
7380         (Output_segment::find_first_and_last_list): Remove.
7381         (Output_segment::set_tls_offsets): Rewrite.
7382         (Output_segment::first_section_load_address): Likewise.
7383         (Output_segment::output_section_count): Likewise.
7384         (Output_segment::section_with_lowest_load_address): Likewise.
7385         (Output_segment::write_section_headers): Likewise.
7386         (Output_segment::print_sections_to_map): Likewise.
7387         * output.h (class Output_data): Remove dynamic_reloc_count_
7388         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
7389         (Output_data::add_dynamic_reloc): Rewrite.
7390         (Output_data::has_dynamic_reloc): New function.
7391         (Output_data::dynamic_reloc_count): Remove.
7392         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
7393         is_last_relro_, is_first_non_relro_, is_interp_,
7394         is_dynamic_linker_section_ fields.  Add order and set_order
7395         functions.  Remove is_relro_local, set_is_relro_local,
7396         is_last_relro, set_is_last_relro, is_first_non_relro,
7397         set_is_first_non_relro functions, is_interp, set_is_interp,
7398         is_dynamic_linker_section, and set_is_dynamic_linker_section
7399         functions.
7400         (class Output_segment): Change Output_data_list from std::list to
7401         std:;vector.  Add output_lists_ field.  Remove output_data_ and
7402         output_bss_ fields.  Update declarations.
7403
7404 2010-08-02  Ian Lance Taylor  <iant@google.com>
7405
7406         * arm.cc (Target_arm::gc_process_relocs): Use typename.
7407         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
7408         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
7409
7410 2010-08-02  Ian Lance Taylor  <iant@google.com>
7411
7412         PR 11855
7413         * script.cc (Script_options::Script_options): Initialize
7414         symbol_definitions_ and symbol_references_.
7415         (Script_options::add_symbol_assignment): Update
7416         symbol_definitions_ and symbol_references_.
7417         (Script_options::add_symbol_reference): New function.
7418         (script_symbol): New function.
7419         * script.h (class Script_options): Add symbol_definitions_ and
7420         symbol_references_ fields.
7421         (Script_options::referenced_const_iterator): New type.
7422         (Script_options::referenced_begin): New function.
7423         (Script_options::referenced_end): New function.
7424         (Script_options::is_referenced): New function.
7425         (Script_options::any_unreferenced): New function.
7426         * script-c.h (script_symbol): Declare.
7427         * yyscript.y (exp): Call script_symbol.
7428         * symtab.cc: Include "script.h".
7429         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
7430         Change all callers.  Check symbols referenced by scripts.
7431         (Symbol_table::add_undefined_symbols_from_command_line): Add
7432         layout parameter.  Change all callers.
7433         (Symbol_table::do_add_undefined_symbols_from_command_line):
7434         Likewise.  Break out loop body.  Check symbols referenced by
7435         scripts.
7436         (Symbol_table::add_undefined_symbol_from_command_line): New
7437         function broken out of
7438         do_add_undefined_symbols_from_command_line.
7439         * symtab.h (class Symbol_table): Update declarations.
7440         * archive.cc: Include "layout.h".
7441         (Archive::should_include_member): Add layout parameter.  Change
7442         all callers.  Check for symbol mentioned in expression.
7443         * archive.h (class Archive): Update declaration.
7444         * object.cc (Sized_relobj::do_should_include_member): Add layout
7445         parameter.
7446         * object.h (Object::should_include_member): Add layout parameter.
7447         Change all callers.
7448         (Object::do_should_include_member): Add layout parameter.
7449         (class Sized_relobj): Update declaration.
7450         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
7451         parameter.
7452         * dynobj.h (class Sized_dynobj): Update declaration.
7453         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
7454         layout parameter.
7455         * plugin.h (class Sized_pluginobj): Update declaration.
7456
7457 2010-08-02  Ian Lance Taylor  <iant@google.com>
7458
7459         PR 11866
7460         * output.cc (Output_segment::set_offset): Search for the first and
7461         last sections rather than assuming that the list is in order.
7462         (Output_segment::find_first_and_last_list): New function.
7463         * output.h (class Output_segment): Update declarations.
7464         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
7465         (relro_strip_test_SOURCES): New variable.
7466         (relro_strip_test_DEPENDENCIES): New variable.
7467         (relro_strip_test_LDFLAGS): New variable.
7468         (relro_strip_test_LDADD): New variable.
7469         (relro_strip_test.so): New target.
7470
7471 2010-08-02  Ian Lance Taylor  <iant@google.com>
7472
7473         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
7474         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
7475         (Target_i386::got_tlsdesc_section): New function.
7476         (Target_i386::got_section): Create space for GOT entries for
7477         TLSDESC relocations.
7478         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
7479         R_386_TLS_GOTDESC.
7480         (Target_i386::Scan::global): Likewise.
7481         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
7482         using TLSDESC GOT.
7483         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
7484         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
7485         (Target_x86_64::got_tlsdesc_section): New function.
7486         (Target_x86_64::got_section): Create space for GOT entries for
7487         TLSDESC relocations.
7488         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
7489         R_386_TLS_GOTDESC.
7490         (Target_x86_64::Scan::global): Likewise.
7491         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
7492         using TLSDESC GOT.
7493
7494 2010-08-02  Ian Lance Taylor  <iant@google.com>
7495
7496         * testsuite/final_layout.sh: Use dc to convert from hex to
7497         decimal.
7498
7499 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
7500
7501         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
7502         paramter to the call to gold::gc_process_relocs.
7503         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
7504         paramter to the call to gold::gc_process_relocs.
7505         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
7506         parameter to the call to gold::gc_process_relocs.
7507         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
7508         template parameter to the call to gold::gc_process_relocs.
7509         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
7510         paramter to the call to gold::gc_process_relocs.
7511         * gc.h (get_embedded_addend_size): New function.
7512         (gc_process_relocs): Save the size of the reloc for use by ICF.
7513         * icf.cc (get_section_contents): Get the addend from the text section
7514         for SHT_REL relocation sections.
7515         * icf.h (Icf::Reloc_addend_size_info): New typedef.
7516         (Icf::Reloc_info): Add new member reloc_addend_size_info.
7517         * int_encoding.h (read_from_pointer): New overloaded function.
7518         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
7519         * testsuite/icf_sht_rel_addend_test.sh: New file.
7520         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
7521         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
7522
7523 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7524
7525         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
7526         * Makefile.in: Regenerate.
7527         * testsuite/Makefile.in: Regenerate.
7528
7529 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
7530
7531         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
7532         * gold/testsuite/debug_msg.cc: Likewise.
7533         * gold/testsuite/odr_violation1.cc
7534         * gold/testsuite/odr_violation2.cc
7535
7536 2010-07-21  Cary Coutant  <ccoutant@google.com>
7537
7538         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
7539         string, and length fields.
7540         (Output_merge_string::Merged_strings_list): New type.
7541         (Output_merge_string::Merged_strings_lists): New typedef.
7542         (Output_merge_string): Replace merged_strings_ with
7543         merged_strings_lists_.
7544         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
7545         Merged_strings_list per input object and section.  Don't store pointer
7546         to the string.  Don't store length with each merged string entry.
7547         (Output_merge_string::finalize_merged_data): Loop over list of merged
7548         strings lists.  Recompute length of each merged string.
7549
7550 2010-07-15  Cary Coutant  <ccoutant@google.com>
7551
7552         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
7553         here.
7554
7555 2010-07-14  Ian Lance Taylor  <iant@google.com>
7556
7557         * descriptors.cc (Descriptors::open): Report correct name in error
7558         message.
7559
7560 2010-07-13  Doug Kwan  <dougkwan@google.com>
7561
7562         * arm.cc (Arm_input_section::Arm_input_section): For a
7563         SHT_ARM_EXIDX section, always keeps the input sections.
7564         (Arm_input_section::set_exidx_section_link): New method.
7565         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
7566         has_errors_ to false.
7567         (Arm_exidx_input_section::has_errors,
7568         Arm_exidx_input_section::set_has_errors): New methods.
7569         (Arm_exidx_input_section::has_errors_): New data member.
7570         (Arm_relobj::get_exidx_shndx_list): New method.
7571         (Arm_output_section::append_text_sections_to_list): Do not skip
7572         section without SHF_EXECINSTR.
7573         (Arm_output_section::fix_exidx_coverage): Skip input sections with
7574         errors.
7575         (Arm_relobj::make_exidx_input_section): Add new parameter for text
7576         section header.  Make error messages more verbose.  Check for
7577         a non-executable section linked to an EXIDX section.
7578         (Arm_relobj::do_read_symbols): Remove error checking, which has been
7579         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
7580         check that there is no deferred EXIDX section if we exit early.
7581         Instead of not making an EXIDX section in case of an error, make one
7582         and set the has_errors flag of it.
7583         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
7584         in a relocatable link.
7585         (Target_arm::do_relax): Look for the EXIDX output section instead of
7586         assuming that it is called .ARM.exidx.
7587         (Target_arm::fix_exidx_coverage): Add a new parameter for input
7588         section list.  Do not check for SHF_EXECINSTR section flags but
7589         skip any input section with errors.
7590         * output.cc (Output_section::Output_section): Initialize
7591         always_keeps_input_sections_ to false.
7592         (Output_section::add_input_section): Check for
7593         always_keeps_input_sections_.
7594         *  output.h (Output_section::always_keeps_input_sections,
7595         Output_section::set_always_keeps_input_sections): New methods.
7596         (Output_section::always_keeps_input_sections): New data member.
7597
7598 2010-07-13  Rafael Espindola  <espindola@google.com>
7599
7600         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
7601         * fileread.h (Input_file): Add try_extra_search_path and find_file.
7602
7603 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
7604             Ian Lance Taylor  <iant@google.com>
7605
7606         * output.h (Output_section_lookup_maps::add_merge_section):
7607         Correct check of whether value was inserted.
7608         (Output_section_lookup_maps::add_merge_input_section): Likewise.
7609         (Output_section_lookup_maps::add_relaxed_input_section):
7610         Likewise.
7611         * arm.cc (Target_arm::got_section): Remove used local os.
7612         * i386.cc (Target_i386::got_section): Likewise.
7613         * x86_64.cc (Target_x86_64::got_section): Likewise.
7614         * sparc.cc (Target_sparc::got_section): Likewise.
7615         (Target_sparc::relocate): Remove unused local have_got_offset.
7616         * powerpc.cc (Target_powerpc::relocate): Likewise.
7617
7618 2010-07-13  Ian Lance Taylor  <iant@google.com>
7619
7620         * compressed_output.cc (zlib_decompress): Fix signature in
7621         !HAVE_ZLIB_H case.
7622
7623         * archive.cc (Archive::include_member): Unlock an external member
7624         of a thin archive.  Don't bother to delete an object we know is
7625         NULL.
7626
7627 2010-07-12  Cary Coutant  <ccoutant@google.com>
7628
7629         * compressed_output.cc (zlib_decompress): New function.
7630         (get_uncompressed_size): New function.
7631         (decompress_input_section): New function.
7632         * compressed_output.h (get_uncompressed_size): New function.
7633         (decompress_input_section): New function.
7634         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
7635         Handle compressed debug sections.
7636         * layout.cc (is_compressed_debug_section): New function.
7637         (Layout::output_section_name): Map compressed section names to
7638         canonical names.
7639         * layout.h (is_compressed_debug_section): New function.
7640         (is_debug_info_section): Recognize compressed debug sections.
7641         * merge.cc: Include compressed_output.h.
7642         (Output_merge_data::do_add_input_section): Handle compressed
7643         debug sections.
7644         (Output_merge_string::do_add_input_section): Handle compressed
7645         debug sections.
7646         * object.cc: Include compressed_output.h.
7647         (Sized_relobj::Sized_relobj): Initialize new data members.
7648         (build_compressed_section_map): New function.
7649         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
7650         * object.h (Object::section_is_compressed): New method.
7651         (Object::do_section_is_compressed): New method.
7652         (Sized_relobj::Compressed_section_map): New type.
7653         (Sized_relobj::do_section_is_compressed): New method.
7654         (Sized_relobj::compressed_sections_): New data member.
7655         * output.cc (Output_section::add_input_section): Handle compressed
7656         debug sections.
7657         * reloc.cc: Include compressed_output.h.
7658         (Sized_relobj::write_sections): Handle compressed debug sections.
7659
7660 2010-07-08  Cary Coutant  <ccoutant@google.com>
7661
7662         * resolve.cc (Symbol_table::resolve): Remember whether undef was
7663         weak when resolving to a dynamic def.
7664         (Symbol_table::should_override): Add adjust_dyndef flag; set it
7665         for weak undef/dynamic def cases. Adjust callers.
7666         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
7667         undef_binding_weak_.
7668         (Symbol_table::sized_write_globals): Adjust symbol binding.
7669         (Symbol_table::sized_write_symbol): Add binding parameter.
7670         * symtab.h (Symbol::set_undef_binding): New method.
7671         (Symbol::is_undef_binding_weak): New method.
7672         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
7673         (Symbol_table::should_override): Add new parameter.
7674         (Symbol_table::sized_write_symbol): Add new parameter.
7675
7676         * testsuite/weak_undef_file1.cc: Add new test case.
7677         * testsuite/weak_undef_file2.cc: Fix header comment.
7678         * testsuite/weak_undef_test.cc: Add new test case.
7679
7680 2010-06-29  Doug Kwan  <dougkwan@google.com>
7681
7682         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
7683         Initialize USE_SYMBOL_.
7684         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
7685         definition.
7686         (Arm_reloc_property::uses_symbol_): New data member declaration.
7687         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
7688         uses symbol value and symbol is undefined but not weakly undefined.
7689
7690 2010-06-28  Rafael Espindola  <espindola@google.com>
7691
7692         * plugin.cc (Plugin::load): Use dlerror.
7693
7694 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
7695
7696         * symtab.cc (detect_odr_violations): When reporting an ODR
7697         violation, report an object where the symbol is defined.
7698
7699 2010-06-25  Doug Kwan  <dougkwan@google.com>
7700
7701         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
7702         (Target_arm::section_may_have_icf_unsafe_pointers): New method
7703         definition.
7704         (Target_arm::Scan::local_reloc_may_be_function_pointer,
7705         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
7706         target hook to detect function points.
7707         (Target_arm::Scan::possible_function_pointer_reloc): New method.
7708         * icf.h (Icf::check_section_for_function_pointers): Change type of
7709         parameter SECTION_NAME to const reference to std::string.  Use
7710         target hook to determine if section may have unsafe pointers.
7711         * target.h (Target::section_may_have_icf_unsafe_pointers): New
7712         method definition.
7713
7714 2010-06-21  Rafael Espindola  <espindola@google.com>
7715
7716         * fileread.cc (Input_file::find_fie): New
7717         (Input_file::open): Use Input_file::find_fie.
7718         * fileread.h (Input_file::find_fie): New
7719         * plugin.cc (set_extra_library_path): New.
7720         (Plugin::load): Add set_extra_library_path to the transfer vector.
7721         (Plugin_manager::set_extra_library_path): New.
7722         (Plugin_manager::add_input_file): Use the extra search path if set.
7723         (set_extra_library_path(): New.
7724         * plugin.h (Plugin_manager): Add set_extra_library_path and
7725         extra_search_path_.
7726
7727 2010-06-19  Cary Coutant  <ccoutant@google.com>
7728
7729         * layout.cc (gdb_sections): Add .debug_types.
7730         (lines_only_debug_sections): Likewise.
7731
7732 2010-06-18  Rafael Espindola  <espindola@google.com>
7733
7734         * plugin.cc (add_input_file,add_input_library)
7735         (Plugin_manager::add_input_file): Make filename arguments const.
7736         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
7737         const.
7738
7739 2010-06-16  Doug Kwan  <dougkwan@google.com>
7740
7741         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
7742         .ARM.attributes section if we have not merged any input
7743         attributes sections.
7744
7745 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7746
7747         * arm.cc: Allow combining objects with no EABI version
7748         information.
7749
7750 2010-06-15  Rafael Espindola  <espindola@google.com>
7751
7752         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
7753
7754 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7755
7756         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
7757         (struct iovec): Correct !HAVE_READV definition.
7758
7759 2010-06-10  Cary Coutant  <ccoutant@google.com>
7760
7761         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
7762         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
7763         reloc sections.
7764         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
7765
7766         PR 11683
7767         * symtab.h (Symbol::is_placeholder): New member function.
7768         * target-reloc.h (relocate_section): Check for placeholder symbols.
7769
7770         * testsuite/Makefile.am (plugin_test_8): New test.
7771         (plugin_test_9): New test.
7772         * testsuite/Makefile.in: Regenerate.
7773
7774 2010-06-09  Nick Clifton  <nickc@redhat.com>
7775
7776         * yyscript.y (input_list_element): Allow strings prefixed with
7777         the '-' character.  Treat these as libraries.
7778         * script.cc (script_add_library): New function.  Adds a library
7779         specified by "-l<name>" found in an input script.
7780         * script-c.h: Add prototype for script_add_library.
7781
7782 2010-06-07  Doug Kwan  <dougkwan@google.com>
7783
7784         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
7785         Restrict stub-group size to be within long conditional branch
7786         range when working around cortex-A8 erratum.
7787
7788 2010-06-07  Damien Diederen  <dd@crosstwine.com>
7789
7790         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
7791         #ifdef typo.
7792
7793 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
7794
7795         PR gold/11658
7796         * output.cc
7797         (Output_section::Input_section_sort_entry::compare_section_ordering):
7798         Change to return non-zero correctly.
7799         (Output_section::Input_section_sort_section_order_index_compare
7800         ::operator()): Change to fix ambiguity in comparisons.
7801
7802 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
7803
7804         * gold.h (is_wildcard_string): New function.
7805         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
7806         (Layout::layout_eh_frame): Ditto.
7807         (Layout::find_section_order_index): New method.
7808         (Layout::read_layout_from_file): New method.
7809         * layout.h (Layout::find_section_order_index): New method.
7810         (Layout::read_layout_from_file): New method.
7811         (Layout::input_section_position_): New private member.
7812         (Layout::input_section_glob_): New private member.
7813         * main.cc (main): Call read_layout_from_file here.
7814         * options.h (--section-ordering-file): New option.
7815         * output.cc (Output_section::input_section_order_specified_): New
7816         member.
7817         (Output_section::Output_section): Initialize new member.
7818         (Output_section::add_input_section): Add new parameter.
7819         Keep input sections when --section-ordering-file is used.
7820         (Output_section::set_final_data_size): Sort input sections when
7821         section ordering file is specified.
7822         (Output_section::Input_section_sort_entry): Add new parameter.
7823         Check sorting type.
7824         (Output_section::Input_section_sort_entry::compare_section_ordering):
7825         New method.
7826         (Output_section::Input_section_sort_compare::operator()): Change to
7827         consider section_order_index.
7828         (Output_section::Input_section_sort_init_fini_compare::operator()):
7829         Change to consider section_order_index.
7830         (Output_section::Input_section_sort_section_order_index_compare
7831         ::operator()): New method.
7832         (Output_section::sort_attached_input_sections): Change to sort
7833         according to section order when specified.
7834         (Output_section::add_input_section<32, true>): Add new parameter.
7835         (Output_section::add_input_section<64, true>): Add new parameter.
7836         (Output_section::add_input_section<32, false>): Add new parameter.
7837         (Output_section::add_input_section<64, false>): Add new parameter.
7838         * output.h (Output_section::add_input_section): Add new parameter.
7839         (Output_section::input_section_order_specified): New
7840         method.
7841         (Output_section::set_input_section_order_specified): New method.
7842         (Input_section::Input_section): Initialize section_order_index_.
7843         (Input_section::section_order_index): New method.
7844         (Input_section::set_section_order_index): New method.
7845         (Input_section::section_order_index_): New member.
7846         (Input_section::Input_section_sort_section_order_index_compare): New
7847         struct.
7848         (Output_section::input_section_order_specified_): New member.
7849         * script-sections.cc (is_wildcard_string): Delete and move modified
7850         method to gold.h.
7851         (Output_section_element_input::Output_section_element_input): Modify
7852         call to is_wildcard_string.
7853         (Output_section_element_input::Input_section_pattern
7854         ::Input_section_pattern): Ditto.
7855         (Output_section_element_input::Output_section_element_input): Ditto.
7856         * testsuite/Makefile.am (final_layout): New test case.
7857         * testsuite/Makefile.in: Regenerate.
7858         * testsuite/final_layout.cc: New file.
7859         * testsuite/final_layout.sh: New file.
7860
7861 2010-06-01  Rafael Espindola  <espindola@google.com>
7862
7863         * plugin.cc (Plugin::load): Pass the output name to the plugin.
7864
7865 2010-06-01  Rafael Espindola  <espindola@google.com>
7866
7867         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
7868         visibility of symbols.
7869
7870 2010-05-27  Doug Kwan  <dougkwan@google.com>
7871
7872         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
7873         from start of output section instead of address for a local symbol
7874         in a merged or relaxed section when doing a relocatable link.
7875
7876 2010-05-26  Rafael Espindola  <espindola@google.com>
7877
7878         PR 11604
7879         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
7880         adding sections the garbage collector removed.
7881         * gold/testsuite/Makefile.am: Add test.
7882         * gold/testsuite/Makefile.in: Regenerate.
7883         * gold/testsuite/plugin_test_7.sh: New.
7884         * gold/testsuite/plugin_test_7_1.c: New.
7885         * gold/testsuite/plugin_test_7_2.c: New.
7886
7887 2010-05-26  Rafael Espindola  <espindola@google.com>
7888
7889         * script-sections.cc (Output_section_definition::set_section_addresses):
7890         Check for --section-start.
7891
7892 2010-05-26  Doug Kwan  <dougkwan@google.com>
7893
7894         * arm.cc (Arm_scan_relocatable_relocs): New class.
7895         (Target_arm::relocate_special_relocatable): New method.
7896         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
7897         (Arm_relocate_functions::thumb_branch_common): Same.
7898         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
7899         instead of Default_scan_relocatable_relocs.
7900         * target-reloc.h (relocate_for_relocatable): Let target handle
7901         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
7902         * target.h (Sized_target::relocate_special_relocatable): New method.
7903
7904 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7905
7906         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
7907
7908 2010-05-23  Doug Kwan  <dougkwan@google.com>
7909
7910         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
7911         instead of a cast.
7912         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
7913         with a direct branch, not a conditional branch, to a stub.
7914         * merge.cc (Output_merge_base::record_input_section): New method
7915         defintion.
7916         (Output_merge_data::do_add_input_section): Record input section if
7917         keeps-input-sections flag is set.
7918         (Output_merge_string::do_add_input_section): Ditto.
7919         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
7920         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
7921         INPUT_SECTIONS_.
7922         (Output_merge_base::keeps_input_sections,
7923         Output_merge_base::set_keeps_input_sections,
7924         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
7925         method definitions.
7926         (Output_merge_base::Input_sections): New type declaration.
7927         (Output_merge_base::input_sections_begin,
7928         Output_merge_base::input_sections_end,
7929         Output_merge_base::do_set_keeps_input_sections): New method definitions.
7930         (Output_merge_base::bool keeps_input_sections_,
7931         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
7932         Output_merge_base::input_sections_): New data members.
7933         (Output_merge_data::do_set_keeps_input_sections): New method
7934         defintion.
7935         (Output_merge_string::do_set_keeps_input_sections): Ditto.
7936         * output.cc (Output_section::Input_section::relobj): Move method
7937         defintion from class declaration to here and handle merge sections.
7938         (Output_section::Input_section::shndx): Ditto.
7939         (Output_section::Output_section): Remove initializations of removed
7940         data members and initialize new data member LOOKUP_MAPS_.
7941         (Output_section::add_input_section): Set keeps-input-sections flag
7942         for a newly created merge output section as appropriate.  Adjust code
7943         to use Output_section_lookup_maps class.
7944         (Output_section::add_relaxed_input_section): Adjst code for lookup
7945         maps code refactoring.
7946         (Output_section::add_merge_input_section): Add a new parameter
7947         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
7948         class.  If adding input section to a newly created merge output
7949         section fails, remove the new merge section.
7950         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
7951         Adjust code for use of the Output_section_lookup_maps class.
7952         (Output_section::find_merge_section): Ditto.
7953         (Output_section::build_lookup_maps): New method defintion.
7954         (Output_section::find_relaxed_input_section): Adjust code to use
7955         Output_section_lookup_maps class.
7956         (Output_section::get_input_sections): Export merge sections.  Adjust
7957         code to use Output_section_lookup_maps class.
7958         (Output_section:::add_script_input_section): Adjust code to use
7959         Output_section_lookup_maps class.  Update lookup maps for merge
7960         sections also.
7961         (Output_section::discard_states): Use Output_section_lookup_maps.
7962         (Output_section::restore_states): Same.
7963         * output.h (Merge_section_properties): Move class defintion out of
7964         Output_section.
7965         (Output_section_lookup_maps): New class.
7966         (Output_section::Input_section::is_merge_section): New method
7967         defintion.
7968         (Output_section::Input_section::relobj): Move defintion out of class
7969         defintion.  Declare method only.
7970         (Output_section::Input_section::shndx): Ditto.
7971         (Output_section::Input_section::output_merge_base): New method defintion.
7972         (Output_section::Input_section::u2_.pomb): New union field.
7973         (Output_section::Merge_section_by_properties_map,
7974         Output_section::Output_section_data_by_input_section_map,
7975         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
7976         Remove types.
7977         (Output_section::add_merge_input_section): Add new parameter
7978         KEEPS_INPUT_SECTIONS.
7979         (Output_section::build_lookup_maps): New method declaration.
7980         (Output_section::merge_section_map_,
7981         Output_section::merge_section_by_properties_map_,
7982         Output_section::relaxed_input_section_map_,
7983         Output_section::is_relaxed_input_section_map_valid_): Remove data
7984         members.
7985         (Output_section::lookup_maps_): New data member.
7986
7987 2010-05-21  Doug Kwan  <dougkwan@google.com>
7988
7989         PR gold/11619
7990         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
7991         avoid a compilation error.
7992
7993 2010-05-19  Rafael Espindola  <espindola@google.com>
7994
7995         * script-sections.cc (Output_section_definition::allocate_to_segment):
7996         Update the phdrs_list even when the output section is NULL.
7997         * testsuite/Makefile.am: Add test.
7998         * testsuite/Makefile.in: Regenerate.
7999         * testsuite/script_test_9.cc: New.
8000         * testsuite/script_test_9.sh: New.
8001         * testsuite/script_test_9.t: New.
8002
8003 2010-05-19  Doug Kwan  <dougkwan@google.com>
8004
8005         * arm.cc (Arm_input_section::original_size): New method.
8006         (Arm_input_section::do_addralign): Add a cast.
8007         (Arm_input_section::do_output_offset): Remove static cast.
8008         (Arm_input_section::original_addralign,
8009          Arm_input_section::original_size_): Change type to uint32_t.
8010         (Arm_input_section::init): Add safe casts for section alignment
8011         and size.
8012         (Arm_input_section::set_final_data_size): Do not set address and
8013         offset of stub table.
8014         (Arm_output_section::fix_exidx_coverage): Change use of of
8015         Output_section::Simple_input_section to that of
8016         Output_section::Input_section.
8017         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
8018         except for the first pass.
8019         * output.cc (Output_section::get_input_sections): Change type of
8020         input_sections to std::list<Input_section>.
8021         (Output_section::add_script_input_section): Rename from
8022         Output_section::add_simple_input_section.  Change type of SIS
8023         parameter from Simple_input_section to Input_section.
8024         * output.h (Output_section::Simple_input_section): Remove class.
8025         (Output_section::Input_section): Change class visibility to public.
8026         (Output_section::Input_section::addralign): Use stored alignments
8027         for special input sections if set.
8028         (Output_section::Input_section::set_addralign): New method.
8029         (Output_section::get_input_sections): Change parameter type from
8030         list of Simple_input_section to list of Input_section.
8031         (Output_section::add_script_input_section): Rename from
8032         Output_section::add_simple_input_section. Change first parameter's
8033         type from Simple_input_section to Input_section and remove the
8034         second and third parameters.
8035         * script-sections.cc (Input_section::Input_section_list): Change
8036         type to list of Output_section::Input_section/
8037         (Input_section_info::Input_section_info): Change parameter type of
8038         INPUT_SECTION to Output_section::Input_section.
8039         (Input_section_info::input_section): Change return type.
8040         (Input_section_info::input_section_): Change type to
8041         Output_section::Input_section.
8042         (Output_section_element_input::set_section_addresses): Adjust code
8043         to use Output_section::Input_section instead of
8044         Output_section::Simple_input_section.  Adjust code for renaming
8045         of Output_section::add_simple_input_section.
8046         (Orphan_output_section::set_section_addresses): Ditto.
8047
8048 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8049
8050         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
8051         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
8052
8053 2010-05-18  Rafael Espindola  <espindola@google.com>
8054
8055         * options.cc (General_options::finalize): Handle -nostdlib.
8056         * options.h (nostdlib): New option.
8057         * script.cc (script_add_search_dir): Handle -nostdlib.
8058
8059 2010-05-12  Doug Kwan  <dougkwan@google.com>
8060
8061         * arm.cc (Target_arm::do_finalize_sections): Create an empty
8062         attributes section only if there no attributes section after merging.
8063         (Target_arm::merge_object_attributes): Move value of
8064         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
8065         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
8066         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
8067         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
8068         and arm_attr_merge_7.stdout.
8069         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
8070         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
8071         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
8072         arm_attr_merge_7b.o): New rules.
8073         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
8074         arm_attr_merge_7
8075         * testsuite/Makefile.in: Regenerate.
8076         * testsuite/arm_attr_merge.sh: New file.
8077         * testsuite/arm_attr_merge_[67][ab].s: Same.
8078
8079 2010-05-05  Nick Clifton  <nickc@redhat.com>
8080
8081         * po/es.po: Updated Spanish translation.
8082
8083 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
8084
8085         * Makefile.am (install-exec-local): Properly install gold as
8086         default cross linker.
8087         * Makefile.in: Regenerated.
8088
8089 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
8090             Nick Clifton  <nickc@redhat.com>
8091
8092         * configure.ac (install_as_default): Define and set to false
8093         unless --enable-gold or --enable-gold=both/gold has been
8094         specified.
8095         * configure: Regenerate.
8096
8097         * Makefile.am (install-exec-local): Install the executable as
8098         'ld.gold'.  If install_as_default is true then also install it as
8099         'ld'.
8100         * Makefile.in: Regenerated.
8101
8102 2010-04-24  Ian Lance Taylor  <iant@google.com>
8103
8104         * layout.cc (Layout::layout_reloc): In relocatable link don't
8105         combine reloc sections for grouped sections.
8106
8107 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
8108
8109         * gc.h (gc_process_relocs): Pass information on relocs pointing to
8110         sections that are not ordinary to icf.
8111         * icf.cc (get_section_contents): Handle relocation pointing to section
8112         with no object or shndx information.
8113         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
8114         * testsuite/Makefile.in: Regenerate.
8115         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
8116         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
8117
8118 2010-04-22  Ian Lance Taylor  <iant@google.com>
8119
8120         * expression.cc (Expression::Expression_eval_info): Add
8121         result_alignment_pointer field.
8122         (Expression::eval_with_dot): Add result_alignment_pointer
8123         parameter.  Change all callers.
8124         (Expression::eval_maybe_dot): Likewise.
8125         (class Binary_expression): Add alignment_pointer parameter to
8126         left_value and right_value.  Change all callers.
8127         (BINARY_EXPRESSION): Set result alignment.
8128         (class Trinary_expression): Add alignment_pointer parameter to
8129         arg2_value and arg3_value.  Change all callers.
8130         (Trinary_cond::value): Set result alignment.
8131         (Max_expression::value, Min_expression::value): Likewise.
8132         (Align_expression::value): Likewise.
8133         * script-sections.cc (class Sections_element): Add dot_alignment
8134         parameter to set_section_addresses virtual function.  Update
8135         instantiations.
8136         (class Output_section_element): Likewise.
8137         (Script_sections::create_segments): Add dot_alignment parameter.
8138         Change all callers.
8139         (Script_sections::create_segments_from_phdrs_clause): Likewise.
8140         (Script_sections::set_phdrs_clause_addresses): Likewise.
8141         * script-sections.h: Update declarations.
8142         * script.h: Update declarations.
8143         * output.h (Output_segment::set_minimum_p_align): Don't decrease
8144         min_p_align.
8145         * testsuite/script_test_3.t: Set large alignment.
8146         * testsuite/script_test_3.sh: Make sure that at least one LOAD
8147         segment has expected alignment.
8148
8149 2010-04-22  Nick Clifton  <nickc@redhat.com>
8150
8151         * po/gold.pot: Updated by the Translation project.
8152         * po/vi.po: Updated Vietnamese translation.
8153
8154 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
8155
8156         * testsuite/Makefile.am (check_PROGRAMS): Add
8157         icf_virtual_function_folding_test.
8158         * testsuite/Makefile.in: Regenerated.
8159
8160 2010-04-15  Andrew Haley  <aph@redhat.com>
8161
8162         * options.h (merge_exidx_entries): New option.
8163         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
8164         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
8165         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
8166         (Target_arm::merge_exidx_entries): New function.
8167         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
8168         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
8169         to Arm_exidx_fixup constructor.
8170         Add new arg, merge_exidx_entries.
8171         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
8172         Arm_output_section::fix_exidx_coverage.
8173
8174 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
8175
8176         * icf.cc (get_section_contents): Check for preemptible functions.
8177         Ignore addend when appropriate.
8178         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
8179         section folded.
8180         (add_from_relobj): Check for section folded.
8181         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
8182         * symtab.h (should_add_dynsym_entry): Add new parameter.
8183         * target-reloc.h (scan_relocs): Check for section folded.
8184         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
8185         Check reloc types for function pointers in shared objects.
8186         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
8187         case.
8188         (icf_preemptible_functions_test): New test case.
8189         (icf_string_merge_test): New test case.
8190         * testsuite.Makefile.in: Regenerate.
8191         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
8192         bar_glob.  Refactor code.
8193         * testsuite/icf_preemptible_functions_test.cc: New file.
8194         * testsuite/icf_preemptible_functions_test.sh: New file.
8195         * testsuite/icf_string_merge_test.cc: New file.
8196         * testsuite/icf_string_merge_test.sh: New file.
8197         * testsuite/icf_virtual_function_folding_test.cc: New file.
8198         * testsuite/icf_virtual_function_folding_test.sh: New file.
8199
8200 2010-04-14  Doug Kwan  <dougkwan@google.com>
8201
8202         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
8203         for local symbol recounting if we remove a section due to ICF.
8204         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
8205         there are no regular objects in input.
8206
8207 2010-04-13  Doug Kwan  <dougkwan@google.com>
8208
8209         * arm.cc (Arm_input_section::set_final_data_size): Compute
8210         accurate final data size instead of using current data size.
8211
8212 2010-04-09  Doug Kwan  <dougkwan@google.com>
8213
8214         * layout.cc (Layout::choose_output_section): Handle script section
8215         types.
8216         (Layout::make_output_section_for_script): Add section type parameter.
8217         Handle script section types.
8218         * layout.h (Layout::make_output_section_for_script): Add section
8219         type parameter.
8220         * output.cc (Output_section::Output_section): Initialize data member
8221         is_noload_.
8222         (Output_section::do_reset_address_and_file_offset): Do not set address
8223         to 0 if section is a NOLOAD section.
8224         * output.h (Output_section::is_noload): New method.
8225         (Output_section::set_is_noload): Ditto.
8226         (Output_section::is_noload_): New data member.
8227         * script-c.h (Script_section_type): New enum type.
8228         (struct Parser_output_section_header): Add new file section_type.
8229         * script-sections.cc (Sections_element::output_section_name): Add
8230         parameter for returning script section type.
8231         (Output_section_definition::output_section_name): Ditto.
8232         (Output_section_definition::section_type)P; New method.
8233         (Output_section_definiton::script_section_type_name): Ditto.
8234         (Output_section_definition::script_section_type_): New data member.
8235         (Output_section_definition::Output_section_definition): Initialize
8236         data member Output_section_definition::script_section_type_.
8237         (Output_section_definition::create_sections): Pass script section type
8238         to Layout::make_output_section_for_script.
8239         (Output_section_definition::output_section_name): Return script
8240         section type to caller.
8241         (Output_section_definition::set_section_address): Do not advance
8242         dot value and load address if section type is NOLOAD.  Set address
8243         of NOLOAD sections regardless of section flags.
8244         (Output_section_definition::print): Print section type if it is
8245         not SCRIPT_SECTION_TYPE_NONE.
8246         (Output_section_definition::section_type): New method.
8247         (Output_section_definition::script_section_type_name): Ditto.
8248         (Script_sections::output_section_name): Add new parameter
8249         PSECTION_TYPE for returning script section type.  Pass it to
8250         section elements.  Handle discard sections.
8251         (Sort_output_sections::operator()): Handle NOLOAD sections.
8252         * script-sections.h (Script_sections::Section_type): New enum type.
8253         (Script_sections::output_section_name): Add a new parameter for
8254         returning script section type.
8255         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
8256         INFO and NOLOAD.
8257         * yyscript.y (union): Add new field SECTION_TYPE.
8258         (COPY, DSECT, INFO, NOLOAD): New tokens.
8259         (opt_address_and_section_type): Change type to output_section_header.
8260         (section_type): New non-terminal
8261         (section_header): Handle section type.
8262         (opt_address_and_section_type): Return section type value.
8263
8264 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
8265
8266         * testsuite/plugin_common_test_1.c (foo): Add prototype.
8267         * testsuite/plugin_common_test_2.c (foo): Likewise.
8268
8269 2010-04-08  Doug Kwan  <dougkwan@google.com>
8270
8271         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
8272         Output_merge_data.
8273         * output.cc (Output_section::add_merge_input_section): Simplify
8274         code and return status of Output_merge_base::add_input_section.
8275         Update merge section map only if Output_merge_base::add_input_section
8276         returns true.
8277
8278 2010-04-07  Doug Kwan  <dougkwan@google.com>
8279
8280         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
8281         if section is marked as containing instructions but has no mapping
8282         symbols.
8283         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
8284         correct section index.
8285         (Arm_relobj::find_linked_text_section): Ditto.
8286
8287 2010-04-07  Cary Coutant  <ccoutant@google.com>
8288
8289         * archive.cc (include_member): Destroy Read_symbols_data object before
8290         releasing file.
8291         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
8292         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
8293         (Read_symbols_data::~Read_symbols_data) New destructor.
8294         (Section_relocs::Section_relocs) New constructor.
8295         (Section_relocs::~Section_relocs) New destructor.
8296         (Read_relocs_data::Read_relocs_data) New constructor.
8297         (Read_relocs_data::~Read_relocs_data) New destructor.
8298         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
8299         pointers to NULL after deleting.
8300
8301 2010-04-07  Doug Kwan  <dougkwan@google.com>
8302
8303         * arm.cc: Replace "endianity" with "endianness" in comments.
8304         (Arm_exidx_cantunwind): Ditto.
8305         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
8306         (Arm_relobj::merge_flags_and_attributes): New method.
8307         (Arm_relobj::merge_flags_and_attributes_): New data member.
8308         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
8309         (Arm_relobj::scan_sections_for_stubs): Ditto.
8310         (Arm_relobj::do_read_symbols): Check to see if we really want to
8311         merge processor-specific flags and attributes.  Exit early if
8312         an object is empty except for section names and the undefined symbol.
8313         (Target_arm::do_finalize_sections): Move check for ELF format to
8314         Arm_relobj::do_read_symbols.  Merge processor specific flags and
8315         attributes from a regular object only when we have determined that
8316         it is aapropriate.  Do not create an .ARM.attributes section in
8317         output if there is no regular input object.
8318         (Target_arm::merge_processor_specific_flags): Check
8319         --warn-mismatch before printing any error.
8320         (Target_arm::merge_object_attributes): Ditto.
8321         * gold.cc (queue_middle_tasks): Handle the case in which there is
8322         no regular object in input.
8323         * options.cc (General_options::parse_EB): New method.
8324         (General_options::parse_EL): Same.
8325         (General_options::General_options): Initialize endianness_.
8326         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
8327         New options.
8328         (General_options::Endianness): New enum.
8329         (General_options::endianness): New method.
8330         (General_options::endianness_): New data member.
8331         * parameters.cc (Parameters::set_options): Check target endianness.
8332         (Parameters::set_target_once): Ditto.
8333         (Parameters::check_target_endianness): New method.
8334         (parameters_force_valid_target): If either -EL or -EB is specified,
8335         use it to define endianness of default target.
8336         * parameters.h (Parameters::check_target_endianness): New method
8337         declaration.
8338         * target.h (class Target): Change "endianity" to "endianness"
8339         in comments.
8340
8341 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8342
8343         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
8344         * configure: Regenerate.
8345         * Makefile.in: Regenerate.
8346         * testsuite/Makefile.in: Regenerate.
8347
8348 2010-04-06  Cary Coutant  <ccoutant@google.com>
8349
8350         gcc PR lto/42757
8351         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
8352         prevailing definitions of common symbols.
8353         * testsuite/plugin_test_6.sh: New test case.
8354         * testsuite/plugin_common_test_1.c: New test case.
8355         * testsuite/plugin_common_test_2.c: New test case.
8356         * testsuite/Makefile.am (plugin_test_6): New test case.
8357         * testsuite/Makefile.in: Regenerate.
8358
8359 2010-04-06  Nick Clifton  <nickc@redhat.com>
8360
8361         * po/vi.po: New Vietnamese translation.
8362
8363 2010-03-30  Doug Kwan  <dougkwan@google.com>
8364
8365         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
8366
8367 2010-03-25  Doug Kwan  <dougkwan@google.com>
8368
8369         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
8370         to avoid a conversion warning on a 32-bit host.
8371
8372 2010-03-24  Ian Lance Taylor  <iant@google.com>
8373
8374         * testsuite/script_test_3.t: Add a TLS segment.
8375         * testsuite/Makefile.am (check_PROGRAMS): Add
8376         tls_phdrs_script_test.
8377         (tls_phdrs_script_test_SOURCES): Define.
8378         (tls_phdrs_script_test_DEPENDENCIES): Define.
8379         (tls_phdrs_script_test_LDFLAGS): Define.
8380         (tls_phdrs_script_test_LDADD): Define.
8381         * testsuite/Makefile.in: Rebuild.
8382
8383 2010-03-23  Cary Coutant  <ccoutant@google.com>
8384
8385         * fileread.cc (find_or_make_view): Fix comment.
8386
8387 2010-03-23  Ian Lance Taylor  <iant@google.com>
8388
8389         * script-sections.cc (class Orphan_section_placement): Define
8390         PLACE_TLS and PLACE_TLS_BSS.
8391         (Orphan_section_placement::Orphan_section_placement): Initialize
8392         new places.
8393         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
8394         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
8395         (tls_script_test_SOURCES): Define.
8396         (tls_script_test_DEPENDENCIES): Define.
8397         (tls_script_test_LDFLAGS): Define.
8398         (tls_script_test_LDADD): Define.
8399         * testsuite/Makefile.in: Rebuild.
8400
8401 2010-03-22  Doug Kwan  <dougkwan@google.com>
8402
8403         * arm.cc (Arm_relocate_functions::abs8,
8404         Arm_relocate_functions::abs16): Use correct check for overflow
8405         specified in the ARM ELF specs.
8406         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
8407         target of a BLX instruction specially.
8408         (Reloc_stub::stub_type_for_reloc): Ditto.
8409         (Relocate::relocate): Use symbolic names instead of numeric relocation
8410         codes to report error.
8411         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
8412         workaround.
8413         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
8414         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
8415         thumb2_blx_out_of_range.stdout
8416         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
8417         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
8418         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
8419         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
8420         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
8421         thumb2_blx_in_range, thumb2_blx_in_range.o,
8422         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
8423         thumb2_blx_out_of_range.o): New rules.
8424         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
8425         thumb2_blx_in_range and thumb2_blx_out_of_range.
8426         * testsuite/Makefile.in: Regenerate.
8427         * arm_branch_in_range.sh: Add tests for THUMB BLX.
8428         * testsuite/thumb_blx_in_range.s: New file.
8429         * testsuite/thumb_blx_out_of_range.s: New file.
8430
8431 2010-03-22  Rafael Espindola  <espindola@google.com>
8432
8433         * archive.cc (Should_include): Move to archive.h.
8434         (should_include_member): Make it a member of Archive.
8435         (Lib_group): New.
8436         (Add_lib_group_symbols): New.
8437         * archive.h: Include options.h.
8438         (Archive_member): Moved from Archive.
8439         (Should_include): Moved from archive.cc.
8440         (Lib_group): New.
8441         (Add_lib_group_symbols): New.
8442         * dynobj.cc (do_should_include_member): New.
8443         * dynobj.h (do_should_include_member): New.
8444         * gold.cc (queue_initial_tasks): Update call to queue.
8445         * main.cc (main): Print lib group stats.
8446         * object.cc (do_should_include_member): New.
8447         * object.h: Include archive.h.
8448         (Object::should_include_member): New.
8449         (Object::do_should_include_member): New.
8450         (Sized_relobj::do_should_include_member): New.
8451         * options.cc (General_options::parse_start_lib): New.
8452         (General_options::parse_end_lib): New.
8453         (Input_arguments::add_file): Handle lib groups.
8454         (Input_arguments::start_group): Check we are not in a lib.
8455         (Input_arguments::start_lib): New.
8456         (Input_arguments::end_lib): New.
8457         * options.h (General_options): Add start_lib and end_lib.
8458         (Input_argument::lib_): New.
8459         (Input_argument::lib): New.
8460         (Input_argument::is_lib): New.
8461         (Input_file_lib): New.
8462         (Input_arguments::in_lib_): New.
8463         (Input_arguments::in_lib): New.
8464         (Input_arguments::start_lib): New.
8465         (Input_arguments::end_lib_): New.
8466         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
8467         in unused members as preempted.
8468         (Sized_pluginobj::do_should_include_member): New.
8469         * plugin.h (Sized_pluginobj::do_should_include_member): New.
8470         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
8471         return the blocker.
8472         (Read_symbols::do_whole_lib_group): New.
8473         (Read_symbols::do_lib_group): New.
8474         (Read_symbols::do_read_symbols): Handle lib groups.
8475         (Read_symbols::get_name): Handle lib groups.
8476         * readsyms.h (Read_symbols): Add an archive member pointer.
8477         (Read_symbols::do_whole_lib_group): New.
8478         (Read_symbols::do_lib_group): New.
8479         (Read_symbols::member_): New.
8480         * script.cc (read_input_script): Update call to queue_soon.
8481
8482 2010-03-19  Doug Kwan  <dougkwan@google.com>
8483
8484         * arm.cc (Stub_table::Stub_table): Initialize new data members
8485         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
8486         (Stub_table::add_reloc_stub): Assign stub offset and update
8487         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
8488         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
8489         New data members.
8490         (Stub_table::update_data_size_and_addralign): Use
8491         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
8492         instead of going over all reloc stubs.
8493         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
8494         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
8495         Stringpool_template::offset_ to size of Stringpool_char.
8496         (Stringpool_template::new_key_offset): Remove code to initialize
8497         Stringpool_template::offset_.
8498         * stringpool.h (Stringpool_template::set_no_zero_null): Set
8499         Stringpool_template::offset_ to zero.
8500
8501 2010-03-15  Doug Kwan  <dougkwan@google.com>
8502
8503         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
8504         offset_.
8505         (Stringpool_template::new_key_offset): New method.
8506         (Stringpool_template::add_string): Assign offsets when adding new
8507         strings.
8508         (Stringpool_template::set_string_offsets): Do not set string offsets
8509         when not optimizing.
8510         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
8511         member size_.
8512         (Chunked_vector::clear): Clear size_.
8513         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
8514         (Chunked_vector::size): Return size_.
8515         (Chunked_vector::push_back): Use size_ to find insert position.
8516         (Chunked_vector::size_): New data member.
8517         (Stringpool_template::set_no_zero_null): Assert string set is empty.
8518         (Stringpool_template::new_key_offset): New method declaration.
8519         (Stringpool_template::offset_): New data member.
8520
8521 2010-03-15   Rafael Espindola  <espindola@google.com>
8522
8523         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
8524         Add_symbols' constructor.
8525         * readsyms.h (Add_symbols): Remove the input_group member.
8526
8527 2010-03-10  Ian Lance Taylor  <iant@google.com>
8528
8529         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
8530         target to ask whether a reference to a symbol requires a stack
8531         split.
8532         * target.h (Target::is_call_to_non_split): New function.
8533         (Target::do_is_call_to_non_split): Declare virtual function.
8534         * target.cc: Include "symtab.h".
8535         (Target::do_is_call_to_non_split): New function.
8536         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
8537
8538 2010-03-10  Cary Coutant  <ccoutant@google.com>
8539
8540         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
8541         (File_read::open[1]): Remove initial mapping of whole_file_view_.
8542         (File_read::open[2]): Add whole_file_view_ to list of views.
8543         (File_read::make_view): Remove test of whole_file_view_.
8544         (File_read::find_or_make_view): Create whole_file_view_ if
8545         necessary.
8546         (File_read::clear_views): Replace bool parameter with enum;
8547         adjust all callers.  Don't delete views with permanent data;
8548         do delete cached views and views from archives if
8549         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
8550         if clearing the corresponding view.
8551         * fileread.h (File_read::Clear_views_mode): New enum.
8552         (File_read::View::is_permanent_view): New method.
8553         (File_read::clear_views): Replace bool parameter
8554         with enum; adjust all callers.
8555         * options.h (General_options): Change keep_files_mapped option;
8556         add map_whole_files.
8557         * readsyms.cc (Add_symbols::run): Delete sd_ object before
8558         releasing the file.
8559         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
8560         the file.
8561
8562 2010-03-10  David S. Miller  <davem@davemloft.net>
8563
8564         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
8565
8566 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
8567
8568         * icf.cc (get_section_contents): Add '@' marker after processing the
8569         merge reloc.
8570
8571 2010-03-08  Doug Kwan  <dougkwan@google.com>
8572
8573         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
8574         due to a conversion warning.
8575         (Arm_relobj::update_output_local_symbol_count): Check for local
8576         symbol with unset output index.
8577
8578 2010-03-05  Ian Lance Taylor  <iant@google.com>
8579
8580         * options.h (class General_options): Add --spare-dynamic-tags.
8581         * output.cc (Output_data_dynamic::set_final_data_size): Implement
8582         --spare-dynamic-tags.
8583
8584 2010-03-05  Ian Lance Taylor  <iant@google.com>
8585
8586         * incremental.cc: Include "libiberty.h".
8587
8588 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8589
8590         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
8591         function, is_info_ member.
8592         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
8593         (Versions::Versions): Update caller.
8594         (Versions::define_base_version): Likewise.
8595         (Versions::add_def): Likewise.
8596
8597 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
8598
8599         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
8600         (Scan::possible_function_pointer_reloc): New function.
8601         (Scan::local_reloc_may_be_function_pointer): Change to call
8602         possible_function_pointer_reloc.
8603         (Scan::global_reloc_may_be_function_pointer): Ditto.
8604         * icf.h (Icf::check_section_for_function_pointers): Change to reject
8605         relocations in ".data.rel.ro._ZTV" section.
8606         * testsuite/icf_safe_so_test.sh: Change to pass i386.
8607         * testsuite/icf_safe_so_test.cc: Ditto.
8608         * testsuite/icf_safe_test.cc: Ditto.
8609         * testsuite/icf_safe_test.sh: Ditto.
8610
8611 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8612             Ian Lance Taylor  <iant@google.com>
8613
8614         * target-reloc.h (relocate_section): Check the symbol table index
8615         for -1U before setting the local symbol index.
8616         (scan_relocatable_relocs): If copying the relocation, record that
8617         the local symbol is required.
8618         * object.h (Symbol_value::is_output_symtab_index_set): New
8619         function.
8620         (Symbol_value::may_be_discarded_from_output_symtab): New
8621         function.
8622         (Symbol_value::has_output_symtab_entry): New function.
8623         (Symbol_value::needs_output_symtab_entry): Remove.
8624         (Symbol_value::output_symtab_index): Make sure the symbol index is
8625         set.
8626         (Symbol_value::set_output_symtab_index): Make sure the symbol
8627         index is not set.  Make sure the new index is valid.
8628         (Symbol_value::set_must_have_output_symtab_entry): New function.
8629         (Symbol_value::has_output_dynsym_entry): New function.
8630         (Symbol_value::set_output_dynsym_index): Make sure the new index
8631         is valid.
8632         (Sized_relobj::set_must_have_output_symtab_entry): New function.
8633         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
8634         local symbol if permitted.
8635         (Sized_relobj::do_finalize_local_symbols): Call
8636         is_output_symtab_index_set rather than needs_output_symtab_entry.
8637         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
8638         rather than needs_output_symtab_entry.  Call
8639         has_output_dynsym_entry rather than needs_output_dynsym_entry.
8640         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
8641         is_output_symtab_index_set rather than needs_output_symtab_entry.
8642         * testsuite/discard_locals_relocatable_test.c: New file.
8643         * testsuite/discard_locals_test.sh: Test -r.
8644         * testsuite/Makefile.am (check_DATA): Add
8645         discard_locals_relocatable_test1.syms,
8646         discard_local_relocatable_test2.syms.
8647         (MOSTLYCLEANFILES): Likewise.  Also add
8648         discard_locals_relocatable_test1.lout and
8649         discard_locals_relocatable_test2.out.
8650         (discard_locals_relocatable_test1.syms): New target.
8651         (discard_locals_relocatable_test.o): New target.
8652         (discard_locals_relocatable_test1.out): New target.
8653         (discard_locals_relocatable_test2.syms): New target.
8654         (discard_locals_relocatable_test2.out): New target.
8655         (various): Add missing ../ld-new dependencies.
8656         * testsuite/Makefile.in: Rebuild.
8657
8658 2010-03-03  Nick Clifton  <nickc@redhat.com>
8659
8660         * po/fi.po: New Finnish translation.
8661
8662 2010-03-01  Doug Kwan  <dougkwan@google.com>
8663
8664         * layout.cc (Layout::Layout): Force section types of .init_array*,
8665         .preinit_array* and .fini_array* sections.
8666         * output.cc (Output_section::Input_section_sort_entry::has_priority):
8667         Fix check of return value of std::string::find.().
8668         (Output_section::Input_section_sort_compare::operator()): Remove
8669         comment about .init_array.
8670         (Output_section::Input_section_sort_init_fini_compare::operator()):
8671         New method.
8672         (Output_section::sort_attached_input_sections): Handle .init_array
8673         and .fini_array specially.
8674         * output.h (Output_section::Inut_section_sort_compare): Update
8675         comment.
8676         (Output_section::Input_section_sort_init_fini_compare): New struct.
8677
8678 2010-02-26  Doug Kwan  <dougkwan@google.com>
8679
8680         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
8681         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
8682         * testsuite/debug_msg.sh: Avoid matching source line number for
8683         use of global variable undef_int.
8684
8685 2010-02-26  Doug Kwan  <dougkwan@google.com>
8686
8687         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
8688         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
8689         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
8690         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
8691         * options.cc (General_options::General_options): Initialize member
8692         fix_v4bx_.
8693         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
8694         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
8695         and rm_no_fix_v4bx.stdout
8696         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
8697         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
8698         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
8699         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
8700         and arm_no_fix_v4bx.
8701         * Makefile.in: Regenerate.
8702         * testsuite/arm_fix_v4bx.s: New file.
8703         * testsuite/arm_fix_v4bx.sh: Ditto.
8704
8705 2010-02-24  Doug Kwan  <dougkwan@google.com>
8706
8707         * arm.cc (Target_arm::got_section): Make the .got section the first
8708         non RELRO section in the data segment.
8709         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
8710         suffixes of section names.
8711
8712 2010-02-24  Doug Kwan  <dougkwan@google.com>
8713
8714         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
8715         flags and attributes merging if an input file is a binary file.
8716         * fileread.cc (Input_file::open): Record format of original file.
8717         * fileread.h (Input_file::Format): New enum type.
8718         (Input_file::Input_file): Initialize data member format_.
8719         (Input_file::format): New method definition.
8720         (Input_file::format_):: New data member.
8721
8722 2010-02-24  Doug Kwan  <dougkwan@google.com>
8723
8724         * arm.cc (Arm_output_data_got): New class.
8725         (ARM_TCB_SIZE): New constant
8726         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
8727         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
8728         If user uses a script with a SECTIONS clause, issue only a warning
8729         for a misplaced EXIDX input section.  Otherwise, issue an error.
8730         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
8731         garbage collection.
8732         (Target_arm::got_mode_index_entry): Handle static linking.
8733         (Target_arm::Scan::local): Ditto.
8734         (Target_arm::Scan::global): Ditto.
8735         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
8736         all incorrectly implemented relocations.
8737         (Target_arm::fix_exidx_coverage): Pass layout to
8738         Arm_output_section::fix_exidx_coverage.
8739         * layout.cc (Layout::section_name_mapping): Remove trailing dots
8740         from ".ARM.exidx." and ".ARM.extab.".
8741
8742 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8743
8744         * arm.cc (Target_arm::do_finalize_sections): Create attribute
8745         section if it does not already exist.
8746         * attributes.cc (Attributes_section_data::Attributes_section_data):
8747         Don't crash if size is zero.
8748
8749 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8750             Ian Lance Taylor  <iant@google.com>
8751
8752         * gold.cc (queue_middle_tasks): If no input files were opened,
8753         exit.
8754         * workqueue.h (Task_function::Task_function): Assert that there is
8755         a blocker.
8756
8757 2010-02-22  Doug Kwan  <dougkwan@google.com>
8758
8759         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
8760         * icf.cc (get_section_contents): Cast snprintf arguments to long long
8761         types to avoid warnings due to different uint64_t implementations
8762         on different hosts.
8763
8764 2010-02-21  Doug Kwan  <dougkwan@google.com>
8765
8766         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
8767         handling of the maximum backward branch offset.
8768         (Arm_relocate_functions::thumb_branch_common): Ditto.
8769         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
8770         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
8771         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
8772         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
8773         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
8774         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
8775         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
8776         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
8777         thumb_bl_out_of_range thumb_bl_out_of_range.o,
8778         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
8779         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
8780         thumb2_bl_out_of_range.o): New rules.
8781         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
8782         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
8783         thumb2_bl_out_of_range
8784         * testsuite/Makefile.in: Regenerate.
8785         * testsuite/arm_bl_in_range.s: New file.
8786         * testsuite/arm_bl_out_of_range.s: Ditto.
8787         * testsuite/arm_branch_in_range.sh: Ditto.
8788         * testsuite/arm_branch_range.t: Ditto.
8789         * testsuite/thumb2_branch_range.t: Ditto.
8790         * testsuite/thumb_bl_in_range.s: Ditto.
8791         * testsuite/thumb_bl_out_of_range.s: Ditto.
8792         * testsuite/thumb_branch_range.t: Ditto.
8793
8794 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
8795
8796         * gc.h (gc_process_relocs): Change vectors to point to the new list.
8797         Add reloc offset information.
8798         * icf.cc (get_section_contents): Change iterators to point to the new
8799         vectors. Add reloc offset information to the contents.
8800         * icf.h (Icf::Sections_reachable_info): New typedef.
8801         (Icf::Sections_reachable_list): New typedef.
8802         (Icf::Offset_info): New typedef.
8803         (Icf::Reloc_info): New struct typedef.
8804         (Icf::Reloc_info_list): New typedef.
8805         (Icf::symbol_reloc_list): Delete method.
8806         (Icf::addend_reloc_list): Delete method.
8807         (Icf::section_reloc_list): Delete method.
8808         (Icf::reloc_info_list): New method.
8809         (Icf::reloc_info_list_): New member.
8810
8811 2010-02-19  Doug Kwan  <dougkwan@google.com>
8812
8813         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
8814         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
8815         * arm.cc (Arm_relocation_functions): New forward declaration.
8816         (Target_arm::Target_arm): Initialize new data members
8817         got_mod_index_offset_ and tls_base_symbol_defined_.
8818         (Target_arm::Relocate::relocate_tls): New method.
8819         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
8820          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
8821         New methods.
8822         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
8823         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
8824         (Target_arm::got_mod_index_offset_,
8825         Target_arm::tls_base_symbol_defined_): New data members.
8826         (Target_arm::Scan::local, Target::Scan::global,
8827         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
8828         relocations.
8829
8830 2010-02-18  Doug Kwan  <dougkwan@google.com>
8831
8832         * arm.cc (Arm_relobj::find_linked_text_section): New method.
8833         (Arm_relobj::make_exidx_input_section): Pass section index of linked
8834         text section as a parameter becuase some broken tools may not set
8835         the link in section header.
8836         (Target_arm::has_got_section): New method.
8837         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
8838         without any mapping symbol as data only.  Remove warning.
8839         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
8840         link in its section header, try to discover the link by inspecting the
8841         REL31 relocation at the beginning of the section.
8842         (Target_arm::Scan::check_non_pic): Report name of offending relocation
8843         in error message.
8844         (Target_arm::Scan::global): Treat any reference to the symbol
8845         _GLOBAL_OFFSET_TABLE_ as a GOT access.
8846
8847 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
8848
8849         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
8850         (Scan::global_reloc_may_be_function_pointer): New function.
8851         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
8852         (Scan::global_reloc_may_be_function_pointer): New function.
8853         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
8854         (Scan::global_reloc_may_be_function_pointer): New function.
8855         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
8856         (Scan::global_reloc_may_be_function_pointer): New function.
8857         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
8858         (Scan::global_reloc_may_be_function_pointer): New function.
8859         (Scan::possible_function_pointer_reloc): New function.
8860         (Target_x86_64::can_check_for_function_pointers): New function.
8861         * gc.h (gc_process_relocs): Scan relocation types to determine if
8862         function pointers were taken for targets that support it.
8863         * icf.cc (Icf::find_identical_sections): Include functions for
8864         folding in safe ICF whose pointer is not taken.
8865         * icf.h (Secn_fptr_taken_set): New typedef.
8866         (fptr_section_id_): New member.
8867         (section_has_function_pointers): New function.
8868         (set_section_has_function_pointers): New function.
8869         (check_section_for_function_pointers): New function.
8870         * options.h: Fix comment for safe ICF option.
8871         * target.h (can_check_for_function_pointers): New function.
8872         * testsuite/Makefile.am: Add icf_safe_so_test test case.
8873         Modify icf_safe_test for X86-64.
8874         * testsuite/Makefile.in: Regenerate.
8875         * testsuite/icf_safe_so_test.cc: New file.
8876         * testsuite/icf_safe_so_test.sh: New file.
8877         * testsuite/icf_safe_test.cc (kept_func_3): New function.
8878         (main): Change to take pointer to function kept_func_3.
8879         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
8880         folding is done correctly for X86-64.
8881
8882 2010-02-12  David S. Miller  <davem@davemloft.net>
8883
8884         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
8885         is_symbolless parameter.
8886         (Output_reloc<SHT_REL>::is_symbolless): New.
8887         (Output_reloc<SHT_REL>::is_symbolless_): New.
8888         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
8889         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
8890         (Output_reloc<SHT_RELA>::is_symbolless): New.
8891         (Output_data_reloc::add_global): Handle is_symbolless.
8892         (Output_data_reloc::add_global_relative): Likewise.
8893         (Output_data_reloc::add_local): Likewise.
8894         (Output_data_reloc::add_local_relative): Likewise.
8895         (Output_data_reloc::add_symbolless_global_addend): New.
8896         (Output_data_reloc::add_symbolless_local_addend): New.
8897         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
8898         is_symbolless.
8899         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
8900         instead of ->is_relative_
8901         (Output_reloc::write): Likewise.
8902         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
8903         (Output_reloc::write_rel): Simplify.
8904
8905         * sparc.cc (Target_sparc::Scan::local): Use
8906         ->add_symbolless_local_addend as needed.
8907         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
8908         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
8909         based upon relocation offset.
8910
8911 2010-02-11  Doug Kwan  <dougkwan@google.com>
8912
8913         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
8914         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
8915         beginning of function.
8916         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
8917         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
8918         parameter is_32bit in calls to should_apply_static_reloc.
8919         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
8920         (check_DATA): Add arm_abs_global.stdout.
8921         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
8922         arm_abs_global.stdout): New rules.
8923         (MOSTLLYCLEANFILES): Add arm_abs_global
8924         * Makefile.in: Regenerate.
8925         * testsuite/arm_abs_global.s: New file.
8926         * testsuite/arm_abs_global.sh: Ditto.
8927         * testsuite/arm_abs_lib.s: Ditto.
8928
8929 2010-02-11  Ian Lance Taylor  <iant@google.com>
8930
8931         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
8932         Read_relocs task.
8933         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
8934         Allocate_commons_task first.
8935         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
8936         task, rather than symtab_lock_.
8937         (Gc_process_relocs::~Gc_process_relocs): New function.
8938         (Gc_process_relocs::is_runnable): Check this_blocker_.
8939         (Gc_process_relocs::locks): Use next_blocker_ rather than
8940         blocker_.
8941         (Scan_relocs::~Scan_relocs): New function.
8942         (Scan_relocs::is_runnable): Check this_blocker_ rather than
8943         symtab_lock_.
8944         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
8945         next_blocker_.
8946         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
8947         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
8948         constructor accordingly.
8949         (class Gc_process_relocs): Likewise.
8950         (class Scan_relocs): Likewise.
8951         * common.h (class Allocate_commons_task): Remove symtab_lock_
8952         field, and corresponding constructor parameter.
8953         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
8954         symtab_lock_.
8955         (Allocate_commons_task::locks): Likewise.
8956
8957 2010-02-11  Ian Lance Taylor  <iant@google.com>
8958
8959         * gold-threads.h (class Once): Define.
8960         (class Initialize_lock): Rewrite as child of Once.
8961         * gold-threads.cc (class Once_initialize): Define.
8962         (once_pointer_control): New static variable.
8963         (once_pointer, once_arg): New static variables.
8964         (c_run_once): New static function.
8965         (Once::Once, Once::run_once, Once::internal_run): New functions.
8966         (class Initialize_lock_once): Remove.
8967         (initialize_lock_control): Remove.
8968         (initialize_lock_pointer): Remove.
8969         (initialize_lock_once): Remove.
8970         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
8971         (Initialize_lock::initialize): Rewrite.
8972         (Initialize_lock::do_run_once): New function.
8973         * archive.cc (Archive::interpret_header): Only clear name if it is
8974         not already empty.
8975         * fileread.cc: Include "gold-threads.h"
8976         (file_counts_lock): New static variable.
8977         (file_counts_initialize_lock): Likewise.
8978         (File_read::release): Only increment counts when using --stats.
8979         Use a lock around the increment.
8980         * parameters.cc (class Set_parameters_target_once): Define.
8981         (set_parameters_target_once): New static variable.
8982         (Parameters::Parameters): Move here from parameters.h.
8983         (Parameters::set_target): Rewrite.
8984         (Parameters::set_target_once): New function.
8985         (Parameters::clear_target): Move here and rewrite.
8986         * parameters.h (class Parameters): Update declarations.  Add
8987         set_parameters_target_once_ field.
8988         (Parameters::Parameters): Move to parameters.cc.
8989         (Parameters::clear_target): Likewise.
8990         * readsyms.cc (Read_symbols::do_group): Create a Start_group
8991         task.
8992         (Start_group::~Start_group): New function.
8993         (Start_group::is_runnable): New function.
8994         (Start_group::locks, Start_group::run): New functions.
8995         (Finish_group::run): Change saw_undefined to size_t.
8996         * readsyms.h (class Start_group): Define.
8997         (class Finish_group): Change saw_undefined_ field to size_t.
8998         (Finish_group::Finish_group): Remove saw_undefined and
8999         this_blocker parameters.  Change all callers.
9000         (Finish_group::set_saw_undefined): New function.
9001         (Finish_group::set_blocker): New function.
9002         * symtab.h (class Symbol_table): Change saw_undefined to return
9003         size_t.  Change saw_undefined_ field to size_t.
9004         * target-select.cc (Set_target_once::do_run_once): New function.
9005         (Target_selector::Target_selector): Initialize set_target_once_
9006         field.  Don't initialize lock_ and initialize_lock_ fields.
9007         (Target_selector::instantiate_target): Rewrite.
9008         (Target_selector::set_target): New function.
9009         * target-select.h (class Set_target_once): Define.
9010         (class Target_selector): Update declarations.  Make
9011         Set_target_once a friend.  Remove lock_ and initialize_lock_
9012         fields.  Add set_target_once_ field.
9013
9014 2010-02-10  Ian Lance Taylor  <iant@google.com>
9015
9016         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
9017         queueing any tasks.
9018         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
9019         (queue_middle_tasks): Add all blockers before queueing any tasks.
9020         (queue_final_tasks): Likewise.
9021         * token.h (Task_token::add_blockers): New function.
9022         * object.h (Input_objects::number_of_relobjs): New function.
9023
9024 2010-02-10  Ian Lance Taylor  <iant@google.com>
9025
9026         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
9027         shared, not if not position independent.
9028         * x86_64.cc (Relocate::relocate_tls): Likewise.
9029         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
9030         (tls_pie_pic_test): New target.
9031         * testsuite/Makefile.in: Rebuild.
9032
9033         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
9034         (tls_test_main_pie.o, tls_test_pie.o): New targets.
9035         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
9036         * testsuite/Makefile.in: Rebuild.
9037
9038 2010-02-09  David S. Miller  <davem@davemloft.net>
9039
9040         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
9041         R_SPARC_RELATIVE using ->add_local_relative().
9042         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
9043
9044         * output.h (Output_data_dynamic::add_section_size): New method
9045         that takes two Output_data objects.
9046         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
9047         entry param.  Handle it in initializers.
9048         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
9049         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
9050         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
9051         arg.
9052         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
9053         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
9054         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
9055         for dynrel_includes_plt.
9056         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9057         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9058         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
9059         before .rela.plt
9060         (Target_sparc::do_finalize_sections): Update to pass true for
9061         dynrel_includes_plt.
9062         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
9063         output before .rela.plt
9064         (Target_powerpc::do_finalize_sections): Update to pass true for
9065         dynrel_includes_plt when 32-bit.
9066
9067 2010-02-08  Doug Kwan  <dougkwan@google.com>
9068
9069         * arm.cc (Arm_relobj::simple_input_section_output_address): New
9070         method.
9071         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
9072         Arm_relobj::scan_section_for_cortex_a8_stubs,
9073         Arm_relobj::do_relocation_section): Instead of calling
9074         Output_section::output_address, use faster
9075         Arm_relobj::simple_input_section_output_address.
9076
9077 2010-02-08  David S. Miller  <davem@davemloft.net>
9078
9079         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
9080         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
9081         relocation helper function.
9082
9083         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
9084         just like R_SPARC_GOT{10,13,22}.
9085         (Target_sparc::Scan::local): Likewise.
9086         (Target_sparc::Relocate:relocate): Likewise.
9087
9088 2010-02-06  Ian Lance Taylor  <iant@google.com>
9089
9090         * configure.ac: Rewrite targetobjs duplicate removal code to use
9091         only shell constructs.
9092         * configure: Rebuild.
9093
9094 2010-02-05  Doug Kwan  <dougkwan@google.com>
9095
9096         PR 11247
9097         * arm.cc (Arm_relobj::section_is_scannable): New method.
9098         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
9099         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
9100
9101 2010-02-04  Doug Kwan  <dougkwan@google.com>
9102
9103         PR 11247
9104         * arm-reloc-property.cc (cstdio): Include.
9105         * configure.ac (targetobjs): Remove duplicates.
9106         * configure: Regenerate.
9107         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
9108         big and little endian version for a given address size.
9109
9110 2010-02-03  Doug Kwan  <dougkwan@google.com>
9111
9112         * arm-reloc-property.cc
9113         (Arm_reloc_property_table::reloc_name_in_error_message): New method
9114         definition.
9115         * arm-reloc-property.h
9116         (Arm_reloc_property_table::get_implemented_static_reloc_property):
9117         New method definition.
9118         (Arm_reloc_property_table::reloc_name_in_error_message): New method
9119         declaration.
9120         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
9121         overflow to N.
9122         (GOT_PREL): Change implemented to Y.
9123         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
9124         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
9125         (Arm_relocate_functions::movw_abs_nc): Remove method.
9126         (Arm_relocate_functions::movt_abs): Ditto.
9127         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
9128         (Arm_relocate_functions::thm_movt_abs): Ditto.
9129         (Arm_relocate_functions::movw_rel_nc): Ditto.
9130         (Arm_relocate_functions::movw_rel): Ditto.
9131         (Arm_relocate_functions::movt_rel): Ditto.
9132         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
9133         (Arm_relocate_functions:thm_movw_rel): Ditto.
9134         (Arm_relocate_functions:thm_movt_rel): Ditto.
9135         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
9136         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
9137         New method definitions.
9138         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
9139         (Arm_relocation_functions::arm_grp_ldr): Ditto.
9140         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
9141         (Arm_relocation_functions::arm_grp_ldc): Ditto.
9142         (Target_arm::Relocate::relocate): Check for non-static or
9143         unimplemented relocation code and exit early.  Change calls to
9144         Target_arm::reloc_uses_thumb_bit and
9145         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
9146         instead.  Refactor code to handle similar relocations to increase
9147         code sharing.  Remove check for unsupported relocation code in switch
9148         statement.
9149         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
9150         relocation property table to find out size.  Change error message to
9151         print out the name of a relocation code instead of the numeric value.
9152         (Target_arm::scan_reloc_for_stub): Use relocation property table
9153         instead of calling Target_arm::reloc_uses_thumb_bit().
9154
9155 2010-02-02  Doug Kwan  <dougkwan@google.com>
9156
9157         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
9158         types of relaxed input section.
9159
9160 2010-02-02  Doug Kwan  <dougkwan@google.com>
9161
9162         * Makefile.am (HFILES): Add arm-reloc-property.h.
9163         (DEFFILES): New.
9164         (TARGETSOURCES): Add arm-reloc-property.cc
9165         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
9166         (libgold_a_SOURCES): $(DEFFILES)
9167         * Makefile.in: Regenerate.
9168         * arm-reloc-property.cc: New file.
9169         * arm-reloc-property.h: New file.
9170         * arm-reloc.def: New file.
9171         * arm.cc: Update comments.
9172         (arm-reloc-property.h): New included header.
9173         (arm_reloc_property_table): New global variable.
9174         (Target_arm::do_select_as_default_target): New method definition.
9175         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
9176         arm-reloc-property to targ_extra_obj.
9177         * parameters.cc (set_parameters_target): Call
9178         Target::select_as_default_target().
9179         * target.h (Target::select_as_default_target): New method definition.
9180         (Target::do_select_as_default_target): Same.
9181
9182 2010-02-01  Doug Kwan  <dougkwan@google.com>
9183
9184         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
9185         first_output_text_section_.
9186         (Arm_exidx_fixup::first_output_text_section): New method definition.
9187         (Arm_exidx_fixup::first_output_text_section_): New data member.
9188         (Arm_exidx_fixup::process_exidx_section): Record the first text
9189         output section seen.
9190         (Arm_output_section::fix_exidx_coverage): Set correct linked section
9191         and entsize in output section header.
9192
9193 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9194
9195         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
9196         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
9197         (Arm_relocate_functions::thm_alu11): New Method.
9198         (Arm_relocate_functions::thm_pc8): New Method.
9199         (Arm_relocate_functions::thm_pc12): New Method.
9200         (Target_arm::Scan::local): Handle the relocations.
9201         (Target_arm::Scan::global): Likewise.
9202         (Target_arm::Relocate::relocate): Likewise.
9203         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9204
9205 2010-01-29  Doug Kwan  <dougkwan@google.com>
9206
9207         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
9208         of relocation types as ld.
9209
9210 2010-01-29  Doug Kwan  <dougkwan@google.com>
9211
9212         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
9213         to public.
9214         (Arm_relocate_functions::thumb_branch_common): Ditto.
9215         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
9216         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
9217         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
9218         Arm_relocate_functions::jump24): Remove.
9219         (Target_arm::Relocate::relocate): Adjust code to call
9220         Arm_relocation_functions::arm_branch_common and
9221         Arm_relocation_functions::thumb_branch_common instead of their removed
9222         wrappers.  Merge switch-cases together to reduce source code size.
9223
9224 2010-01-29  Doug Kwan  <dougkwan@google.com>
9225
9226         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
9227         output_local_symbol_count_needs_update_.
9228         (Arm_relobj::output_local_symbol_count_needs_update,
9229          Arm_relobj::set_output_local_symbol_count_needs_update,
9230          Arm_relobj::update_output_local_symbol_count): New methods.
9231         (Arm_relobj::output_local_symbol_count_needs_update_): New data
9232         member.
9233         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
9234         of pointed function as in a R_ARM_PREL31 relocation.
9235         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
9236         for output local symbol count updating.
9237         (Target_arm::do_relax): Update output local symbol counts in objects
9238         if necessary.
9239         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
9240
9241 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9242
9243         * arm.cc: Added support for the ARM relocations:
9244         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
9245         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
9246         (Arm_relocate_functions::movw_rel_nc): Renamed (was
9247         movw_prel_nc).
9248         (Arm_relocate_functions::movw_rel): New method.
9249         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
9250         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
9251         thm_movw_prel_nc).
9252         (Arm_relocate_functions::thm_movw_rel): New method.
9253         (Arm_relocate_functions::thm_movt_rel): Renamed (was
9254         thm_movt_prel).
9255         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
9256         relocations.
9257         (Target_arm::Scan::global): Likewise.
9258         (Target_arm::Relocate::relocate): Likewise.
9259         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9260         Likewise.
9261
9262 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9263
9264         * arm.cc: Added support for ARM group relocations.
9265         (Target_arm::reloc_needs_sym_origin): New method.
9266         (Arm_relocate_functions::calc_grp_kn): New method.
9267         (Arm_relocate_functions::calc_grp_residual): New method.
9268         (Arm_relocate_functions::calc_grp_gn): New method.
9269         (Arm_relocate_functions::arm_grp_alu): New Method.
9270         (Arm_relocate_functions::arm_grp_ldr): New Method.
9271         (Arm_relocate_functions::arm_grp_ldrs): New Method.
9272         (Arm_relocate_functions::arm_grp_ldc): New Method.
9273         (Target_arm::Scan::local): Handle the ARM group relocations.
9274         (Target_arm::Scan::global): Likewise.
9275         (Target_arm::Relocate::relocate): Likewise.
9276         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9277         Likewise.
9278
9279 2010-01-26  Doug Kwan  <dougkwan@google.com>
9280
9281         * arm.cc (set): Include.
9282         (class Arm_exidx_fixup): Change type of last_input_section_ to const
9283         pointer type.
9284         (Arm_output_section::Text_section_list): New type.
9285         (Arm_output_section::append_text_sections_to_list): New method.
9286         (Arm_output_section::fix_exidx_coverage): Ditto.
9287         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
9288         (Arm_relobj::convert_input_section_to_relaxed_section): Use
9289         Relobj::set_section_offset() instead of
9290         Sized_relobj::invalidate_section_offset().
9291         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
9292         parameter for section headers. Ignore relocation sections for
9293         unallocated sections and EXIDX sections.
9294         (Target_arm::fix_exidx_coverage): New method.
9295         (Target_arm::output_section_address_less_than): New type.
9296         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
9297         linked text section instead of the EXIDX section.
9298         (Arm_output_section::create_stub_group): Add an assertion to check
9299         that this is not an EXIDX output section.
9300         (Arm_output_section::append_text_sections_to_list): New method.
9301         (Arm_output_section::fix_exidx_coverage): Ditto.
9302         (Arm_relobj::scan_sections_for_stubs): Adjust call to
9303         Arm_relobj::section_needs_reloc_stub_scanning.
9304         (Target_arm::do_relax): Fix EXIDX output section coverage in the
9305         first pass.
9306         (Target_arm::fix_exidx_coverage): New method.
9307         * object.h (Relobj::set_output_section): New method.
9308         (Sized_relobj::invalidate_section_offset): Remove method.
9309         (Sized_relobj::do_invalidate_section_offset): Remove method.
9310         (Sized_relobj::do_set_section_offset): Handle offset value -1.
9311
9312 2010-01-25  Doug Kwan  <dougkwan@google.com>
9313
9314         * arm.cc (Arm_exidx_merged_section::do_output_offset):
9315         Fix warning due to signed and unsigned comparison on a 32-bit host.
9316
9317 2010-01-22  Doug Kwan  <dougkwan@google.com>
9318
9319         * arm.cc (Target_arm::do_relax): Record an output section for section
9320         offset adjustment it contains any stub table that has changed.
9321         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
9322         offsets in an output section if necessary.
9323         * output.cc (Output_section::Output_section): Initialize
9324         section_offsets_need_adjustments_.
9325         (Output_section::add_input_section_for_script): Renamed to
9326         Output_section::add_simple_input_section.
9327         (Output_section::save_states): Add a comment.
9328         (Output_section::discard_states): New method defintion.
9329         (Output_section::adjust_section_offsets): Same.
9330         * output.h (Output_section::add_input_section_for_script): Renamed to
9331         Output_section::add_simple_input_section.
9332         (Output_section::discard_states): New method declaration.
9333         (Output_section::adjust_section_offsets): Same.
9334         (Output_section::section_offsets_need_adjustment,
9335         Output_section::set_section_offsets_need_adjustment): New method
9336         definitions.
9337         (Output_section::section_offsets_need_adjustment_): New data member.
9338         * script-sections.cc
9339         (Output_section_element_input::set_section_address): Adjust code for
9340         renaming of Output_section::add_input_section_for_script.
9341         (Orphan_output_section::set_section_address): Same.
9342
9343 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9344
9345         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
9346         Fix_v4bx enum values .
9347         * gold/options.h (General_options): New option definitions.
9348         (General_options::fix_v4bx): New method.
9349         (General_options::Fix_v4bx): New enum.
9350         * gold/options.cc (General_options::parse_fix_v4bx): New method.
9351         (General_options::parse_fix_v4bx_interworking): New method.
9352
9353 2010-01-22  Doug Kwan  <dougkwan@google.com>
9354
9355         * arm.cc (Arm_exidx_fixup): New class.
9356
9357 2010-01-21  Doug Kwan  <dougkwan@google.com>
9358
9359         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
9360         classes.
9361         (Arm_exidx_section_offset_map): New type.
9362
9363 2010-01-21  Doug Kwan  <dougkwan@google.com>
9364
9365         * arm.cc (Arm_exidx_input_section): New class.
9366         (Arm_relobj::exidx_input_section_by_link,
9367         Arm_relobj::exidx_input_section_by_shndx,
9368         Arm_relobj::make_exidx_input_section): New methods.
9369         (read_arm_attributes_section): Remove.
9370         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
9371         information about them.
9372         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
9373         to here.
9374
9375 2010-01-20  Doug Kwan  <dougkwan@google.com>
9376
9377         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
9378         Input_section_specifier to Section_id.
9379         (Target_arm::new_arm_input_section: Adjust code for change of key
9380         type.
9381         (Target_arm::find_arm_input_section): Ditto.
9382         * gc.h (object.h): Include for Section_id nand Section_id_hash.
9383         (Section_id): Remove.
9384         (Garbage_collection::Section_id_hash): Remove.
9385         * icf.h (object.h): Include for Section_id nand Section_id_hash.
9386         (Section_id): Remove.
9387         (Icf::Section_id_hash): Remove.
9388         * object.h (Section_id, Const_section_id, Section_id_hash,
9389         Const_section_id_hash): New type definitions.
9390         * output.cc (Output_section::add_relaxed_input_section): Change to
9391         use Const_section_id instead of Input_section_specifier as key type.
9392         (Output_section::add_merge_input_section): Ditto.
9393         (Output_section::build_relaxation_map): Change to use Section_id
9394         instead of Input_section_specifier as key type.
9395         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9396         Ditto.
9397         (Output_section::convert_input_sections_to_relaxed_sections): Change
9398         to use Const_section_id instead of Input_section_specifier as key type.
9399         (Output_section::find_merge_section): Ditto.
9400         (Output_section::find_relaxed_input_section): Ditto.
9401         * output.h (Input_section_specifier): Remove class.
9402         (Output_section::Output_section_data_by_input_section_map): Change
9403         key type to Const_section_id.
9404         (Output_section::Output_relaxed_input_section_by_input_section_map):
9405         Ditto.
9406         (Output_section::Relaxation_map): Change key type to Section_id.
9407
9408 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9409
9410         * gold/arm.cc: Added support for R_ARM_V4BX relocation
9411         (class Arm_v4bx_stub): New class.
9412         (DEF_STUBS): Updated definition to support v4_veneer_bx.
9413         (Stub_factory::make_arm_v4bx_stub): New method.
9414         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
9415         (Stub_table::empty): Handle v4bx stubs.
9416         (Stub_table::add_arm_v4bx_stub): New method.
9417         (Stub_table::find_arm_v4bx_stub): New method.
9418         (Arm_relocate_functions::v4bx): New method.
9419         (Target_arm::fix_v4bx): New method.
9420         (Target_arm::Target_arm): Handle R_ARM_V4BX.
9421         (Stub_table::relocate_stubs): Likewise.
9422         (Stub_table::do_write): Likewise.
9423         (Stub_table::update_data_size_and_addralign): Likewise.
9424         (Stub_table::finalize_stubs):  Likewise.
9425         (Target_arm::Scan::local): Likewise.
9426         (Target_arm::Scan::global): Likewise.
9427         (Target_arm::do_finalize_sections): Likewise.
9428         (Target_arm::Relocate::relocate): Likewise.
9429         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9430         Likewise.
9431         (Target_arm::scan_reloc_for_stub): Likewise.
9432         (Target_arm::scan_reloc_section_for_stubs): Likewise.
9433
9434 2010-01-19  Ian Lance Taylor  <iant@google.com>
9435
9436         * output.cc (Output_section_headers::do_sized_write): Write large
9437         segment count to sh_info field.
9438         (Output_file_header::do_sized_write): For large segment count,
9439         write PN_XNUM to e_phnum field.
9440
9441 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9442
9443         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
9444         (Arm_relocate_functions::thm_jump8): New function.
9445         (Arm_relocate_functions::thm_jump11): New function.
9446         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
9447         R_ARM_THM_JUMP11.
9448         (Target_arm::Scan::global): Likewise.
9449         (Target_arm::Relocate::relocate): Likewise.
9450         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9451         Likewise.
9452
9453 2010-01-14  Doug Kwan  <dougkwan@google.com>
9454
9455         * arm.cc (map, utility): Include headers.
9456         (Target_arm::apply_cortex_a8_workaround): New method.
9457         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
9458         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
9459         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
9460         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
9461         the --[no-]fix-cortex-a8 command line options.
9462         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
9463         (Target_arm::relocate_stub): Use addend in instruction template.
9464         * options.h (DEFINE_bool): Set the user-set flag.
9465         (General_options): Add --[no-]-fix-cortex options.
9466         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
9467         : Update fast look-up map after conversion.
9468
9469 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
9470
9471         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
9472         in the first pass of do_layout.
9473
9474 2010-01-13  Doug Kwan  <dougkwan@google.com>
9475
9476         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
9477         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
9478         apparent compiler problem of not folding static constant integral
9479         data members of elfcpp::Elf_sizes<32>.
9480
9481 2010-01-13  Doug Kwan  <dougkwan@google.com>
9482
9483         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
9484         Arm_relobj::section_needs_cortex_a8_stub_scanning,
9485         Arm_relobj::scan_section_for_cortex_a8_erratum,
9486         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
9487         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
9488         sections to scan for relocation stubs into a new method
9489         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
9490         relocation and Cortex-A8 stub scanning.
9491         (Target_arm::do_relax): Force stubs to be after stubbed sections
9492         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
9493         the beginning of a new relaxation pass.  Update a comment.
9494         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
9495
9496 2010-01-12  Ian Lance Taylor  <iant@google.com>
9497
9498         * target-reloc.h (visibility_error): New inline function.
9499         (relocate_section): Call visibility_error.
9500         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
9501         (MOSTLYCLEANFILES): Likewise.
9502         (protected_4_pic.o, protected_3.err): New targets.
9503         * testsuite/protected_4.cc: New file.
9504
9505 2010-01-12  Doug Kwan  <dougkwan@google.com>
9506
9507         * arm.cc (Cortex_a8_reloc): New class.
9508         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
9509         and cortex_a8_relocs_info_.
9510         (Target_arm::fix_cortex_a8): New method definition.
9511         (Target_arm::Cortex_a8_relocs_info): New type.
9512         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
9513         New data member declarations.
9514         (Target_arm::scan_reloc_for_stub): Record information about
9515         relocations for THUMB branches that might be exempted from the
9516         Cortex-A8 workaround.
9517         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
9518         at the beginning of a relaxation pass.
9519
9520 2010-01-12  Doug Kwan  <dougkwan@google.com>
9521
9522         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
9523         (Arm_relobj::Mapping_symbol_position,
9524          Arm_reloj::Mapping_symbol_position_less,
9525          Arm_relobj::Mapping_symbols_info): New types.
9526         (Target_arm::is_mapping_symbol_name): New method definition.
9527         (Arm_relobj::do_count_local_symbols): Save information about mapping
9528         symbols.
9529
9530 2010-01-11  Doug Kwan  <dougkwan@google.com>
9531
9532         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
9533         Arm_relocate_functions::thumb32_branch_upper,
9534         Arm_relocate_functions::thumb32_branch_lower,
9535         Arm_relocate_functions::thumb32_cond_branch_offset,
9536         Arm_relocate_functions::thumb32_cond_branch_upper,
9537         Arm_relocate_functions::thumb32_cond_branch_lower,
9538         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
9539         branch offset encoding.
9540         (Arm_relocate_functions::thumb_branch_common): Use new branch
9541         offset encoding methods to avoid code duplication.
9542         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
9543         (Stub_addend_reader::operator()): Use new branch encoding method
9544         to avoid code duplication.
9545
9546 2010-01-11  Doug Kwan  <dougkwan@google.com>
9547
9548         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
9549         (Target_arm::do_finalize_sections): Define special EXIDX section
9550         symbols only if referenced.
9551         * gc.h (Garbage_collection::add_reference): New method.
9552         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
9553         code duplication.
9554
9555 2010-01-11  Ian Lance Taylor  <iant@google.com>
9556
9557         * script.cc (Version_script_info::build_expression_list_lookup):
9558         Change complaing about duplicate wildcard match from error to
9559         warning.
9560
9561         * script.cc (class Lazy_demangler): Recreate--revert part of patch
9562         of 2009-12-30.
9563         (Version_script_info::Version_script_info): Initialize globs_,
9564         default_version_, default_is_global_, and exact_.  Don't
9565         initialize globals_ or locals_.
9566         (Version_script_info::build_lookup_tables): Build local symbols
9567         first.
9568         (Version_script_info::unquote): New function.
9569         (Version_script_info::add_exact_match): New function.
9570         (Version_script_info::build_expression_list_lookup): Remove lookup
9571         parameter.  Add is_global parameter.  Change all callers.  Handle
9572         wildcard pattern specially.  Unquote pattern.  Call
9573         add_exact_match.
9574         (Version_script_info::get_name_to_match): New function.
9575         (Version_script_info::get_symbol_version): New function.
9576         (Version_script_info::get_symbol_version_helper): Remove.
9577         (Version_script_info::check_unmatched_names): Call unquote.
9578         * script.h (class Version_script_info): Change get_symbol_version
9579         to be non-inline and add is_global parameter; change all callers.
9580         Rewrite symbol_is_local.  Update declarations.  Define struct
9581         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
9582         Remove globals_ and locals_ members.  Add exact_, globs_,
9583         default_version_, is_global_.
9584         (Version_script_info::Glob): Remove pattern, add expression and
9585         is_global.  Update constructor.  Change all callers.
9586         * dynobj.cc (Versions::finalize): Mark the version symbol as the
9587         default version.
9588         (Versions::symbol_section_contents): If a symbol is undefined, or
9589         defined in a dynamic object, set the version index to
9590         VER_NDX_LOCAL.
9591         * symtab.cc (Symbol_table::add_from_relobj): Don't call
9592         symbol_is_local.
9593         (Symbol_table::add_from_pluginobj): Likewise.
9594         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
9595
9596 2010-01-11  Doug Kwan  <dougkwan@google.com>
9597
9598         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
9599         (incremental_dump_LDADD): Add linking option for libintl.
9600         * Makefile.in: Regenerate.
9601
9602 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
9603
9604         PR gold/11144
9605         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
9606         instead of -Ds.
9607         * testsuite/Makefile.in: Regenerated.
9608
9609 2010-01-10  Doug Kwan  <dougkwan@google.com>
9610
9611         * options.h (DEFINE_var): Use parentheses around argument varname__
9612         in macro body to avoid any unintended subsequent substitutions.
9613
9614 2010-01-10  Ian Lance Taylor  <iant@google.com>
9615
9616         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
9617         candidates before doing symbol resolution.
9618
9619         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
9620         ODR candidates if only one is weak.
9621
9622 2010-01-08  Ian Lance Taylor  <iant@google.com>
9623
9624         * script.cc (Version_script_info::build_expression_list_lookup):
9625         Don't warn about ambiguous version, just record the ambiguity.
9626         (Version_script_info::get_symbol_version_helper): Give error if
9627         version is ambiguous.
9628
9629 2010-01-08  Doug Kwan  <dougkwan@google.com>
9630
9631         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
9632         prev_data_size_ and prev_addralign_.  Remove initializer for
9633         deleted data member has_been_changed_.
9634         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
9635         to determine if the table is empty.
9636         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
9637         Remove.
9638         (Stub_table::add_reloc_stub): Define method in class definition
9639         instead of just declaring it there.
9640         (Stub_table::add_cortex_a8_stub): New method definition.
9641         (Stub_table::update_data_size_and_addralign): Ditto.
9642         (Stub_table::finalize_stubs): Ditto.
9643         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
9644         (Stub_table::do_addralign_): Return address alignment in the
9645         (Stub_table::do_reset_address_and_file_offset): Define method in
9646         class definition instead of declaring it there.  Set current data
9647         size to be the data size of the previous pass.
9648         (Stub_table::set_final_data_size): Use current data size as the
9649         final data size.
9650         (Stub_table::relocate_stub): Change parameter type of stub from
9651         Reloc_stub pointer to Stub pointer.
9652         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
9653         (Stub_table::Cortex_a8_stub_list): New typedef.
9654         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
9655          Stub_table::prev_addralign_): New data member.
9656         (Arm_relobj::Arm_relobj): Initialize data member
9657         section_has_cortex_a8_workaround_.
9658         (Arm_relobj::section_has_cortex_a8_workaround,
9659          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
9660          definitions.
9661         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
9662         declarations.
9663         (Target_arm::relocate_stub): Change parameter type of stub from
9664         Reloc_stub pointer to Stub pointer.
9665         (Insn_template::size, Insn_template::alignment): Handle
9666         THUMB16_SPECIAL_TYPE.
9667         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
9668          Stub_table::update_data_size_and_addralign,
9669          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
9670         definitions.
9671         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
9672         (Stub_table::do_write): Ditto.
9673         (Target_arm::do_relax): Adjust code for changes in Stub_table.
9674
9675 2010-01-08  Ian Lance Taylor  <iant@google.com>
9676
9677         PR 11108
9678         * symtab.h (class Symbol): Remove fields is_target_special_ and
9679         has_plt_offset_.  Add field is_defined_in_discarded_section_.
9680         (Symbol::is_defined_in_discarded_section): New function.
9681         (Symbol::set_is_defined_in_discarded_section): New function.
9682         (Symbol::has_plt_offset): Rewrite.
9683         (Symbol::set_plt_offset): Verify that new offset is not -1U.
9684         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
9685         Don't initialize is_target_special_ or has_plt_offset_.
9686         Initialize is_defined_in_discarded_section_.
9687         (Symbol_table::add_from_relobj): If appropriate, set
9688         is_defined_in_discarded_section.
9689         * resolve.cc (Symbol::override_base_with_special): Don't test
9690         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
9691         * target-reloc.h (relocate_section): Do special handling for
9692         symbols defined in discarded sections for global symbols as well
9693         as local symbols.
9694
9695 2010-01-08  Ian Lance Taylor  <iant@google.com>
9696
9697         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
9698         the SHT_SYMTAB case.
9699
9700 2010-01-08  Ian Lance Taylor  <iant@google.com>
9701
9702         * object.cc (Sized_relobj::do_layout): Don't get confused if
9703         layout_eh_frame returns NULL.
9704
9705 2010-01-08  Ian Lance Taylor  <iant@google.com>
9706
9707         PR 11084
9708         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
9709         dynamic symbol table, use the normal symbol table.
9710         (Sized_dynobj::do_read_symbols): Remove assertion about type of
9711         symbol table.
9712
9713 2010-01-08  Ian Lance Taylor  <iant@google.com>
9714
9715         PR 11072
9716         * layout.cc (Layout::include_section): Remove .gnu_debuglink
9717         sections.
9718
9719 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
9720
9721         * version.cc (print_version): Change to "Copyright 2010".
9722
9723 2010-01-08  Ian Lance Taylor  <iant@google.com>
9724
9725         PR 10287
9726         PR 11063
9727         * i386.cc (class Target_i386): Change return type of plt_section
9728         to be non-const.
9729         (class Output_data_plt_i386): Add tls_desc_rel_ field.
9730         (Output_data_plt_i386::Output_data_plt_i386): Initialize
9731         tls_desc_rel_ field.
9732         (Output_data_plt_i386::rel_tls_desc): New function.
9733         (Target_i386::rel_tls_desc_section): New function.
9734         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
9735         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
9736         R_386_TLS_DESC reloc in rel_tls_desc_section.
9737         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
9738         Define struct Tlsdesc_info.
9739         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
9740         (Target_x86_64::do_reloc_symbol_index): New function.
9741         (Target_x86_64::add_tlsdesc_info): New function.
9742         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
9743         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
9744         tlsdesc_rel_ field.
9745         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
9746         all callers.
9747         (Output_data_plt_x86_64::rela_tlsdesc): New function.
9748         (Target_x86_64::rela_tlsdesc_section): New function.
9749         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
9750         handling.
9751         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
9752         (Target_x86_64::do_reloc_addend): New function.
9753         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
9754         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
9755         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
9756         (Output_reloc::type): New function.
9757         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
9758         (Output_reloc::is_target_specific): New function.
9759         (Output_reloc::target_arg): New function.
9760         (class Output_reloc) [SHT_RELA]: Add four new constructors for
9761         absolute relocs and target specific relocs.
9762         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
9763         add_target_specific.
9764         (class Output_data_reloc) [SHT_RELA]: Likewise.
9765         * output.cc (Output_reloc::Output_reloc): Add four new versions
9766         for absolute relocs and target specific relocs.
9767         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
9768         (Output_reloc::get_symbol_index): Likewise.
9769         (Output_reloc::local_section_offset): Check that local_sym_index_
9770         is not TARGET_CODE or 0.
9771         (Output_reloc::symbol_value): Likewise.
9772         (Output_reloc::write) [SHT_RELA]: Call target for target specific
9773         reloc.
9774         * target.h (class Target): Add reloc_symbol_index and reloc_addend
9775         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
9776         functions.
9777         * layout.cc (add_target_dynamic_tags): Use output section for
9778         DT_PLTRELSZ and DT_JMPREL.
9779
9780 2010-01-07  Ian Lance Taylor  <iant@google.com>
9781
9782         PR 11061
9783         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
9784         function.
9785         (class Output_data_reloc_generic): Define.
9786         (class Output_data_reloc_base): Change base class to
9787         Output_data_reloc_generic.  Change add() method to call
9788         bump_relative_reloc_count for a relative reloc.  Remove
9789         sort_relocs_ field.
9790         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
9791         to sort_relocs().
9792         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
9793         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
9794         appropriate.
9795         * layout.h (class Layout): Update declaration.
9796
9797 2010-01-07  Ian Lance Taylor  <iant@google.com>
9798
9799         * output.h (class Output_data): Add const version of
9800         output_section and do_output_section.
9801         (class Output_section_data): Add const version of
9802         do_output_section.
9803         (class Output_section): Likewise.
9804         * layout.cc (Layout::add_target_dynamic_tags): New function.
9805         * layout.h (class Layout): Update declarations.
9806         * arm.cc (Target_arm::do_finalize_sections): Use
9807         add_target_dynamic_tags.
9808         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9809         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
9810         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
9811         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9812
9813 2010-01-07  Ian Lance Taylor  <iant@google.com>
9814
9815         PR 11042
9816         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
9817         object as needed.
9818
9819 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
9820             Ian Lance Taylor  <iant@google.com>
9821
9822         PR 11019
9823         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
9824         Xindex::read_symtab_xindex.
9825
9826 2010-01-07  Doug Kwan  <dougkwan@google.com>
9827
9828         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
9829         (Insn_template::thumb16_bcond_insn): New method declaration.
9830         (Insn_template): Fix spelling.
9831         (Stub::thumb16_special): New method declaration.
9832         (Stub::do_write): Define virtual method which was previously pure
9833         virtual.
9834         (Stub::do_thumb16_special): New method declaration.
9835         (Stub::do_fixed_endian_write): New template member.
9836         (Reloc_stub::do_write): Remove.
9837         (Reloc_stub::do_fixed_endian_write): Remove.
9838         (Cortex_a8_stub): New class definition.
9839         (Stub_factory::make_cortex_a8_stub): New method definition.
9840         (Stub_factory::Stub_factory): Add missing static storage class
9841         qualifier for elf32_arm_stub_a8_veneer_blx.
9842
9843 2010-01-07  Ian Lance Taylor  <iant@google.com>
9844
9845         PR 10980
9846         * options.h (class General_options): Add --warn-unresolved-symbols
9847         and --error-unresolved-symbols.
9848         * errors.cc (Errors::undefined_symbol): Implement
9849         --warn-unresolved-symbols.
9850
9851         * options.h (class General_options): Add -z text and -z textoff.
9852         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
9853
9854 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
9855
9856         * gc.h (Garbage_collection::Cident_section_map): New typedef.
9857         (Garbage_collection::cident_sections): New function.
9858         (Garbage_collection::add_cident_section): New function.
9859         (Garbage_collection::cident_sections_): New member.
9860         (gc_process_relocs): Add references to sections whose names are C
9861         identifiers.
9862         * gold.h (cident_section_start_prefix): New constant.
9863         (cident_section_stop_prefix): New constant.
9864         (is_cident): New function.
9865         * layout.cc (Layout::define_section_symbols): Replace string constants
9866         with the newly defined constants.
9867         * object.cc (Sized_relobj::do_layout): Track sections whose names are
9868         C identifiers.
9869         * testsuite/Makefile.am: Add gc_orphan_section_test.
9870         * testsuite/Makefile.in: Regenerate.
9871         * testsuite/gc_orphan_section_test.cc: New file.
9872         * testsuite/gc_orphan_section_test.sh: New file.
9873
9874 2010-01-06  Ian Lance Taylor  <iant@google.com>
9875
9876         PR 10980
9877         * options.h (class General_options): Add --warn-shared-textrel.
9878         * layout.cc (Layout::finish_dynamic_section): Implement
9879         --warn-shared-textrel.
9880
9881         PR 10980
9882         * options.h (class General_options): Add --warn-multiple-gp.
9883
9884 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9885
9886         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
9887         $(THREADSLIB) and $(LIBDL).
9888         * Makefile.in: Rebuild.
9889
9890 2010-01-06  Ian Lance Taylor  <iant@google.com>
9891
9892         PR 10980
9893         * options.cc (General_options::parse_section_start): New function.
9894         (General_options::section_start): New function.
9895         (General_options::General_options): Initialize all members.
9896         * options.h: Include <map>
9897         (class General_options): Add --section-start.  Add section_starts_
9898         member.
9899         * layout.cc (Layout::attach_allocated_section_to_segment): If
9900         --section-start was used, set the address of the segment.  Remove
9901         local sort_sections.
9902         (Layout::relaxation_loop_body): If the address of the load segment
9903         has been set by --section-start, don't use it.
9904         * output.h (Output_segment::update_flags_for_output_section): New
9905         function.
9906         * output.cc (Output_segment::add_output_section): Call
9907         update_flags_for_output_section.
9908
9909 2010-01-05  Ian Lance Taylor  <iant@google.com>
9910
9911         PR 10980
9912         * options.h (class General_options): Add --undefined-version.
9913         * script.cc (struct Version_expression): Add was_matched_by_symbol
9914         field.
9915         (Version_script_info::matched_symbol): New function.
9916         (Version_script_info::get_symbol_version_helper): Call
9917         matched_symbol.
9918         (Version_script_info::check_unmatched_names): New function.
9919         * script.h (class Version_script_info): Update declarations.
9920         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
9921
9922         * options.h (class General_options): Use DEFINE_bool_alias for
9923         allow_multiple_definition.
9924         * resolve.cc (Symbol_table::should_override): Don't test
9925         allow_multiple_definition.
9926
9927         PR 10980
9928         * options.h (class General_options): Add --cref.
9929         * main.cc (main): Print cref table if --cref.  Don't close mapfile
9930         until after printing cref table.
9931         * cref.cc: Include "symtab.h".
9932         (class Cref_inputs): Define Cref_table_compare and Cref_table.
9933         (Cref_table_compare::operator()): New function.
9934         (Cref_inputs::gather_cref): New function.
9935         (filecol): New static const.
9936         (Cref_inputs::print_cref): New function.
9937         (Cref::print_cref): New function.
9938         * cref.h: Include <cstdio>.
9939         (class Cref): Update declarations.
9940         * mapfile.h (Mapfile::file): New function.
9941         * object.h (class Object): Define Symbols.  Declare virtual
9942         do_get_global_symbols.
9943         (Object::get_global_symbols): New function.
9944         * object.cc (Input_objects::add_object): Pass object to cref_ if
9945         --cref.
9946         (Input_objects::archive_start): Likewise.
9947         (Input_objects::archive_stop): Likewise.
9948         (Input_objects::print_cref): New function.
9949         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
9950         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
9951         --cref.
9952         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
9953         function.
9954         * plugin.h (class Sized_pluginobj): Update declarations.
9955
9956 2010-01-05  Ian Lance Taylor  <iant@google.com>
9957
9958         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
9959         to is_default_version.  Rename insdef to insdefault.
9960         (Symbol_table::add_from_relobj): Rename def to is_default_version
9961         and local to is_forced_local.
9962         (Symbol_table::add_from_pluginobj): Likewise.
9963         (Symbol_table::add_from_dynobj): Likewise.
9964         (Symbol_table::define_special_symbol): Rename insdef to
9965         insdefault.
9966
9967 2010-01-04  Ian Lance Taylor  <iant@google.com>
9968
9969         PR 10980
9970         * options.h (class General_options): Add
9971         --allow-multiple-definition and -z muldefs.
9972         * resolve.cc (Symbol_table::should_override): Don't warn about a
9973         multiple symbol definition if --allow-multiple-definition or -z
9974         muldefs.
9975
9976         PR 10980
9977         * options.h (class General_options): Add --add-needed and
9978         --copy-dt-needed-entries.  Tweak --as-needed help entry.
9979         * object.cc (Input_objects::check_dynamic_dependencies): Give an
9980         error if --copy-dt-needed-entries aka --add-needed is used and
9981         would cause a change in behaviour.
9982
9983         PR 10980
9984         * options.h (class General_options): Add -G as a short version of
9985         --shared.  Add no-op options -assert, -g, and -i.
9986
9987 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
9988
9989         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
9990         check for .text or .gnu.linkonce.t sections.
9991         * icf.cc (Icf::find_identical_sections): Ditto.
9992         Change the detection for mangled function name within the section
9993         name.
9994         * icf.h (is_section_foldable_candidate): New function.
9995
9996 2009-12-30  Ian Lance Taylor  <iant@google.com>
9997
9998         PR 10980
9999         * options.h (class General_options): Permit two dashes with
10000         --retain-symbols-file.
10001
10002 2009-12-30  Ian Lance Taylor  <iant@google.com>
10003
10004         PR 10979
10005         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
10006         don't put the file header and segment headers in the text
10007         segment.
10008
10009         PR 10979
10010         * common.cc (Sort_commons::operator()): Stabilize sort when both
10011         entries are NULL.
10012         (Symbol_table::do_allocate_commons_list): When allocating common
10013         symbols, skip a symbol which is no longer common.
10014         * symtab.h (Symbol::is_common): Test whether the symbol comes from
10015         an object before checking its type.
10016         * testsuite/common_test_2.c: New file.
10017         * testsuite/common_test_3.c: New file.
10018         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
10019         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
10020         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
10021         (common_test_2_pic.o, common_test_2.so): New targets.
10022         (common_test_3_pic.o, common_test_3.so): New targets.
10023         * testsuite/Makefile.in: Rebuild.
10024
10025         PR 10979
10026         * script.cc (read_input_script): If we see a new SECTIONS clause,
10027         and we have added an input section, give an error.
10028         * layout.h (class Layout): Add have_added_input_section function.
10029         Add have_added_input_section_ field.
10030         * layout.cc (Layout::Layout): Initialize
10031         have_added_input_section_.
10032         (Layout::layout): Set have_added_input_section_.
10033         (Layout::layout_eh_frame): Likewise.
10034
10035 2009-12-30  Ian Lance Taylor  <iant@google.com>
10036
10037         PR 10931
10038         * options.h (class General_options): Add --sort-common option.
10039         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
10040         * common.cc (Sort_common): Add sort_order parameter to
10041         constructor.  Add sort_order_ field.
10042         (Sort_commons::operator): Check sort_order_.
10043         (Symbol_table::allocate_commons): Determine the sort order.
10044         (Symbol_table::do_allocate_commons): Add sort_order parameter.
10045         Change all callers.
10046         (Symbol_table::do_allocate_commons_list): Likewise.
10047
10048 2009-12-30  Ian Lance Taylor  <iant@google.com>
10049
10050         PR 10916
10051         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
10052         symbols from this object, don't change the visibility of an
10053         undefined symbol.
10054         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
10055
10056 2009-12-30  Ian Lance Taylor  <iant@google.com>
10057
10058         PR 10861
10059         * script.h (class Version_script_info): Define Language enum.
10060         Update declarations.  Define Glob, Exact, and Lookup types.  Add
10061         new fields globals_, locals_, and is_finalized_.
10062         * script.cc: Various formatting fixes.
10063         (class Parser_closure): Change language_stack_ from a vector of
10064         std::string to one of Version_script_info::Language.  Adjust all
10065         uses accordingly.
10066         (class Lazy_demangler): Remove.
10067         (struct Version_expression): Change language from std::string to
10068         Version_script_info::Language.
10069         (Version_script_info::Version_script_info): New function.
10070         (Version_script_info::~Version_script_info): Don't call clear.
10071         (Version_script_info::finalize): New function.
10072         (Version_script_info::build_lookup_tables): New function.
10073         (Version_script_info::build_expression_list_lookup): New
10074         function.
10075         (Version_script_info::get_symbol_version_helper): Rewrite to use
10076         lookup tables.
10077         (Version_script_info::print_expression_list): Adjust to use
10078         Version_script_info::Language.
10079         (script_push_lex_into_version_mode): Check that the version script
10080         has not been finalized.
10081         (version_script_push_lang): Change language string to
10082         Version_script_info::Language.
10083         * options.cc (Command_line::version_script): New function.
10084         * options.h (class General_options): Add finalize_dynamic_list
10085         function.  Change version_script from declaration to definition.
10086         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
10087         * testsuite/version_script.map: Remove duplicate def of foo.
10088         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
10089         version_script.map.
10090         * testsuite/Makefile.in: Rebuild.
10091
10092 2009-12-30  Ian Lance Taylor  <iant@google.com>
10093
10094         PR 10843
10095         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
10096         if the input symbol index is 0, make the output symbol index 0.
10097
10098 2009-12-30  Ian Lance Taylor  <iant@google.com>
10099
10100         PR 10670
10101         * options.h (class General_options): Add -x/--discard-all.
10102         * object.cc (Sized_relobj::do_count_local_symbols): Handle
10103         --discard-all.  If the local symbol needs a dynamic entry, check
10104         that before handling --discard-locals.
10105
10106 2009-12-30  Ian Lance Taylor  <iant@google.com>
10107
10108         PR 10450
10109         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
10110         flags to PF_R.
10111         (Output_segment::add_output_section): Don't change the flags if
10112         the type is PT_TLS.
10113
10114         PR 10450
10115         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
10116         GNU hash table if they need a dynamic value.  Otherwise, don't add
10117         them if they are defined in a dynamic object or are forced local.
10118
10119 2009-12-29  Ian Lance Taylor  <iant@google.com>
10120
10121         PR 10450
10122         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
10123         .gnu.hash table for a 32-bit target.
10124
10125         PR 10450
10126         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
10127         regular and a dynamic object only needs a dynamic symbol table
10128         entry if it is externally visible.
10129
10130         PR 10450
10131         * i386.cc (class Target_i386): Initialize global_offset_table_ in
10132         constructor.  Add global_offset_table_ field.
10133         (Target_i386::got_section): Set global_offset_table_.
10134         (Target_i386::do_finalize_sections): Set global_offset_table_
10135         size.
10136         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
10137         in constructor.  Add global_offset_table_ field.
10138         (Target_x86_64::got_section): Set global_offset_table_.
10139         (Target_x86_64::do_finalize_sections): Set global_offset_table_
10140         size.
10141
10142         * layout.cc (Layout::Layout): Initialize increase_relro_.
10143         (Layout::get_output_section): Add is_relro, is_last_relro, and
10144         is_first_non_relro parameters.  Change all callers.
10145         (Layout::choose_output_section): Likewise.
10146         (Layout::add_output_section_data): Likewise.
10147         (Layout::make_output_section): Likewise.
10148         (Layout::set_segment_offsets): Clear increase_relro when using a
10149         linker script.
10150         * layout.h (class Layout): Add increase_relro method.  Add
10151         increase_relro_ field.  Update declarations.
10152         * output.cc (Output_section::Output_section): Initialize
10153         is_last_relro_ and is_first_non_relro_.
10154         (Output_segment::add_output_section): Group relro sections is
10155         do_sort is true.  Handle is_last_relro and is_first_non_relro.
10156         (Output_segment::maximum_alignment): Remove relro handling.
10157         (Output_segment::set_section_addresses): Add increase_relro
10158         parameter.  Change all callers.  Add initial alignment to align
10159         relro sections on separate page.  Remove old relro handling.
10160         (Output_segment::set_section_list_addresses): Remove in_relro
10161         parameter.  Change all callers.
10162         (Output_segment::set_offset): Add increase parameter.  Change all
10163         callers.  Remove old relro handling.
10164         * output.h (class Output_section): Add new methods: is_last_relro,
10165         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
10166         Add is_last_relro_ and is_first_non_relro_ fields.
10167         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
10168         Create separate .got.plt section.  Call increase_relro.
10169         * x86_64.cc (Target_x86_64::got_section): Likewise.
10170         * testsuite/relro_script_test.t: Add .got.plt.
10171
10172         PR 10450
10173         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
10174         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
10175         (Layout::finalize): Call set_dynamic_symbol_size.
10176         (Layout::set_dynamic_symbol_size): New function.
10177         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
10178         set_dynamic_symbol_size.
10179
10180         PR 10450
10181         * output.h (class Output_section): Add is_entsize_zero_ field.
10182         * output.cc (Output_section::Output_section): Initialize
10183         is_entsize_zero_.
10184         (Output_section::set_entsize): If two different entsizes are
10185         requested, force it to zero.
10186         (Output_section::add_input_section): Set flags for .debug_str
10187         before updating section flags.  Set entsize.
10188         (Output_section::update_flags_for_input_section): Set SHF_MERGE
10189         and SHF_STRING if all input sections have those flags.
10190
10191 2009-12-29   Rafael Espindola  <espindola@google.com>
10192
10193         * main.cc (main): Fix the sys time reporting.
10194         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
10195         reporting.
10196
10197 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
10198
10199         * options.cc (General_options::parse_version): Allow -v to exit
10200         without an error if there is nothing to link.
10201
10202 2009-12-29  Ian Lance Taylor  <iant@google.com>
10203
10204         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
10205         using a version of gcc before 4.1.
10206         * configure: Rebuild.
10207
10208 2009-12-28  Chris Demetriou  <cgd@google.com>
10209
10210         * attributes.cc (Output_attributes_section_data::do_write): Use
10211         std::vector::front rather than std::vector::data.
10212
10213 2009-12-28  Ian Lance Taylor  <iant@google.com>
10214
10215         * symtab.h (class Symbol_table): Add enum Defined.
10216         * resolve.cc (Symbol_table::should_override): Add defined
10217         parameter.  Change all callers.  Test whether object is NULL
10218         before calling a method on it.
10219         (Symbol_table::report_resolve_problem): Add defined parameter.
10220         Change all callers.
10221         (Symbol_table::should_override_with_special): Likewise.
10222         * symtab.cc (Symbol_table::define_in_output_data): Add defined
10223         parameter.  Change all callers.
10224         (Symbol_table::do_define_in_output_data): Likewise.
10225         (Symbol_table::define_in_output_segment): Likewise.
10226         (Symbol_table::do_define_in_output_segment): Likewise.
10227         (Symbol_table::define_as_constant): Likewise.
10228         (Symbol_table::do_define_as_constant): Likewise.
10229         * script.h (class Symbol_assignment): Add is_defsym parameter to
10230         constructor; change all callers.
10231         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
10232         parameter.  Change all callers.  Add is_defsym_ field.
10233         (class Parser_closure): Add parsing_defsym parameter to
10234         constructor; change all callers.  Add parsing_defsym accessor
10235         function.  Add parsing_defsym_ field.
10236
10237 2009-12-28  Ian Lance Taylor  <iant@google.com>
10238
10239         * gold.cc (queue_middle_tasks): Fix formatting.
10240         * object.cc (Relobj::is_section_name_included): Likewise.
10241
10242 2009-12-23  Ian Lance Taylor  <iant@google.com>
10243
10244         * i386.cc (Target_i386::do_calls_non_split): Recognize
10245         -fsplit-stack prologue for a function with a static chain.
10246         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
10247         -fsplit-stack prologue when using %r11.
10248
10249 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
10250
10251         * options.cc (General_options::parse_version): Make -v continue and do
10252         the link like GNU ld does.
10253
10254 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
10255
10256         * Makefile.am (CCFILES): Add timer.cc.
10257         (HFILES): Add timer.h.
10258         * configure.ac: Check for sysconf and times.
10259         * main.cc: include timer.h.
10260         (main): Use Timer instead of get_run_time.
10261         * timer.cc: New.
10262         * timer.h: New.
10263         * workqueue.cc: include timer.h.
10264         (Workqueue::find_and_run_task):
10265         Report user, sys and wall time.
10266         * Makefile.in: Regenerate.
10267         * config.in: Regenerate.
10268         * configure: Regenerate.
10269
10270 2009-12-16  Doug Kwan  <dougkwan@google.com>
10271
10272         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
10273         sections.
10274         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
10275         relaxed input sections.
10276         * output.cc (Output_section::find_relaxed_input_section): Change
10277         return type to Output_relaxed_input_section pointer.  Adjust code
10278         for new type of relaxed_input_section_map_.
10279         * output.h (Output_section::find_relaxed_input_section): Change
10280         return type to Output_relaxed_input_section pointer.
10281         (Output_section::Output_relaxed_input_section_by_input_section_map):
10282         New type.
10283         (Output_section::relaxed_input_section_map_): Change type to
10284         Output_section::Output_relaxed_input_section_by_input_section_map.
10285         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
10286         input section.
10287
10288 2009-12-15  Ian Lance Taylor  <iant@google.com>
10289
10290         * layout.cc (Layout::create_shstrtab): Only write out after input
10291         sections if we are compressing debug sections.
10292
10293 2009-12-15  Ian Lance Taylor  <iant@google.com>
10294
10295         * archive.cc (Archive::add_symbols): Only look up a symbol without
10296         a version if there is, in fact, a version.
10297
10298 2009-12-14  Ian Lance Taylor  <iant@google.com>
10299
10300         Revert -Wshadow changes, all changes from:
10301         2009-12-11  Doug Kwan  <dougkwan@google.com>
10302         2009-12-11  Nick Clifton  <nickc@redhat.com>
10303         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
10304
10305 2009-12-11  Doug Kwan  <dougkwan@google.com>
10306
10307         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
10308         due to -Wshadow.
10309         * attributes.cc (Object_attribute::size): Ditto.
10310         (Attributes_section_data::size): Ditto.
10311         (Attributes_section_data::Attributes_section_data): Ditto.
10312         (Output_attributes_section_data::do_write): Ditto.
10313         * attributes.h (Object_attribute::set_type): Ditto.
10314         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
10315
10316 2009-12-11  Nick Clifton  <nickc@redhat.com>
10317
10318         * archive.cc: Fix shadowed variable warnings.
10319         * arm.cc: Likewise.
10320         * compressed_output.cc: Likewise.
10321         * compressed_output.h: Likewise.
10322         * configure: Likewise.
10323         * dwarf_reader.cc: Likewise.
10324         * dynobj.cc: Likewise.
10325         * dynobj.h: Likewise.
10326         * ehframe.cc: Likewise.
10327         * ehframe.h: Likewise.
10328         * errors.cc: Likewise.
10329         * expression.cc: Likewise.
10330         * fileread.cc: Likewise.
10331         * fileread.h: Likewise.
10332         * freebsd.h: Likewise.
10333         * i386.cc: Likewise.
10334         * icf.cc: Likewise.
10335         * incremental.h: Likewise.
10336         * layout.cc: Likewise.
10337         * layout.h: Likewise.
10338         * mapfile.cc: Likewise.
10339         * merge.cc: Likewise.
10340         * merge.h: Likewise.
10341         * object.cc: Likewise.
10342         * object.h: Likewise.
10343         * options.h: Likewise.
10344         * output.cc: Likewise.
10345         * output.h: Likewise.
10346         * parameters.cc: Likewise.
10347         * plugin.cc: Likewise.
10348         * powerpc.cc: Likewise.
10349         * reduced_debug_output.cc: Likewise.
10350         * reduced_debug_output.h: Likewise.
10351         * reloc.cc: Likewise.
10352         * reloc.h: Likewise.
10353         * resolve.cc: Likewise.
10354         * script-sections.cc: Likewise.
10355         * script.cc: Likewise.
10356         * script.h: Likewise.
10357         * sparc.cc: Likewise.
10358         * symtab.cc: Likewise.
10359         * symtab.h: Likewise.
10360         * target-select.cc: Likewise.
10361         * target-select.h: Likewise.
10362         * token.h: Likewise.
10363         * workqueue.cc: Likewise.
10364         * workqueue.h: Likewise.
10365         * x86_64.cc: Likewise.
10366
10367 2009-12-10  Doug Kwan  <dougkwan@google.com>
10368
10369         * arm.cc (attributes.h): New include.
10370         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
10371         (Arm_relobj::~Arm_relobj): Delete object pointed by
10372         attributes_section_data_.
10373         (Arm_relobj::attributes_section_data): New method definition.
10374         (Arm_relobj::attributes_section_data_): New data member declaration.
10375         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
10376         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
10377         attributes_section_data_.
10378         (Arm_dynobj::attributes_section_data): New method definition.
10379         (Arm_dynobj::attributes_section_data_): New data member declaration.
10380         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
10381         initialization value of may_use_blx_ to false.
10382         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
10383         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
10384         object attributes to compute results instead of hard-coding.
10385         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
10386         Target_arm::get_secondary_compatible_arch,
10387         Target_arm::set_secondary_compatible_arch
10388         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
10389         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
10390         New method declarations.
10391         (Target_arm::get_aeabi_object_attribute): New method definition.
10392         (Target_arm::attributes_section_data_): New data member declaration.
10393         (read_arm_attributes_section): New template definition.
10394         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
10395         (Arm_dynobj::do_read_symbols): Ditto.
10396         (Target_arm::do_finalize_sections): Merge attributes sections from
10397         input.  Check for BLX use after attributes section merging.
10398         Fix __exidx_start and __exidx_end visibility.  Create an
10399         .ARM.attributes section if necessary.
10400         (Target_arm::get_secondary_compatible_arch,
10401         Target_arm::set_secondary_compatible_arch,
10402         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
10403         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
10404         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
10405         New method definitions.
10406
10407 2009-12-09  Ian Lance Taylor  <iant@google.com>
10408
10409         * plugin.cc (Plugin::load): Don't cast from void* to a function
10410         pointer.
10411
10412 2009-12-09  Ian Lance Taylor  <iant@google.com>
10413
10414         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
10415         information fields.
10416
10417 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
10418
10419         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
10420         Replace two_file_shared_1.so with two_file_shared_2.so.
10421         * testsuite/Makefile.in: Regenerated.
10422
10423 2009-12-08  Doug Kwan  <dougkwan@google.com>
10424
10425         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
10426         (HFILES): Add attributes.h and int_encoding.h.
10427         * Makefile.in: Regenerate.
10428         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
10429         function definitions to int_encoding.cc
10430         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
10431         prototypes to int_encoding.h
10432         * reduced_debug_output.cc (int_encoding.h): New include.
10433         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
10434         function definitions to int_encoding.cc
10435         (insert_into_vector, read_from_pointer): Move template definitions to
10436         int_encoding.h
10437         * attributes.cc: New file.
10438         * attributes.h: New file.
10439         * int_encoding.cc: New file.
10440         * int_encoding.h: New file.
10441
10442 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
10443
10444         PR gold/11055
10445         * incremental-dump.cc (dump_incremental_inputs): New.
10446         (main): Use dump_incremental_inputs.
10447
10448 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
10449
10450         PR gold/10893
10451         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
10452         checking elfcpp::STT_FUNC.
10453         (Target_i386::Relocate::relocate): Likewise.
10454         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
10455
10456         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
10457         symbols from shared libraries into normal FUNC symbols.
10458
10459         * symtab.h (Symbol): Add is_func and use it.
10460
10461 2009-12-05  Doug Kwan  <dougkwan@google.com>
10462
10463         * arm.cc (Target_arm::arm_info): Initialize new fields
10464         attributes_section and attributes_vendor.
10465         * i386.cc (Target_i386::i386_info): Same.
10466         * object.cc (Sized_relobj::do_layout): Skip attribute section.
10467         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
10468         fields attributes_section and attributes_vendor.
10469         * sparc.cc (Target_sparc::sparc_info): Same.
10470         * target.h (Target::attributes_section, Target::attributes_vendor,
10471         Target::is_attributes_section, Target::attribute_arg_type,
10472         Target::attributes_order): New method definitions.
10473         (Target::Target_info::attributes_section,
10474         Target::Target_info::attributes_vendor): New fields.
10475         (Target::do_attribute_arg_type, Target::do_attributes_order): New
10476         virtual method definitions.
10477         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
10478         attributes_section and attributes_vendor.
10479         * testsuite/testfile.cc (Target_test::test_target_info): Same.
10480
10481 2009-12-05  Doug Kwan  <dougkwan@google.com>
10482
10483         * arm.cc: Update comments about interworking and stub generation.
10484         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
10485         considered as non-PIC.
10486         (Arm_relocate_functions::base_abs): Fix formatting.
10487         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
10488         of function to use GOT entry address instead of offset.
10489         (Target_arm::Scan::global): Issue an error if a symbol would need a
10490         PLT does not get one because it is untyped.  Remove code to create
10491         dynamic symbols for relative branches.
10492         (Target_arm::Relocate::relocate: Use 0 instead of false since function
10493         takes unsigned integer instead of boolean.
10494
10495 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
10496
10497         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
10498         (two_file_test_LDADD): Likewise.
10499         (common_test_1_LDADD): Likewise.
10500         (exception_test_LDADD) Likewise.
10501         (weak_test_LDADD): Likewise.
10502         (many_sections_test_LDADD): Likewise.
10503         (initpri1_LDADD): Likewise.
10504         (script_test_1_LDADD): Likewise.
10505         (script_test_2_LDADD): Likewise.
10506         (justsyms_LDADD): Likewise.
10507         (binary_test_LDADD): Likewise.
10508         (large_LDADD): Likewise.
10509         * testsuite/Makefile.in: Regenerated.
10510
10511 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
10512
10513         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
10514         (Symbol_table::override_with_special): Likewise.
10515         (Symbol_table::add_from_object): Likewise.
10516
10517 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
10518
10519         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
10520         Don't set the data_offset twice.
10521
10522 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
10523
10524         * testsuite/Makefile.in: Regenerate.
10525
10526 2009-12-03  Doug Kwan  <dougkwan@google.com>
10527
10528         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
10529         (Target_arm::do_finalize_sections): Add parameter for symbol table
10530         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
10531         * i386.cc (Target_i386::do_finalize_sections): Add an additional
10532         parameter for symbol table pointer.
10533         * layout.cc (Layout::finalize): Call Target::finalize_sections with
10534         an additional parameter for a pointer to symbol table.
10535         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
10536         parameter for a symbol table pointer.
10537         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
10538         * target.h (Target::finalize_sections, Target::do_finalize_sections):
10539         Ditto.
10540         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
10541         parameter for a symbol table pointer.
10542
10543 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
10544
10545         * incremental.cc (Incremental_inputs_header)
10546         (Incremental_inputs_header_write, Incremental_inputs_entry)
10547         (Incremental_inputs_entry_write): Move ...
10548         * incremental.h (Incremental_inputs_header)
10549         (Incremental_inputs_header_write, Incremental_inputs_entry)
10550         (Incremental_inputs_entry_write): here.
10551
10552 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
10553
10554         * incremental.cc (make_sized_incremental_binary): Set the target.
10555         Error if it is incompatible.
10556         * output.h (Output_file): Add filename method.
10557
10558 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
10559
10560         * incremental.cc (Incremental_inputs_entry): Remove unused argument
10561         from the get_* methods.
10562
10563 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
10564
10565         * incremental-dump.cc (main): Check that the offeset of a script is 0.
10566         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
10567         Write 0 for the data_offset of scripts.
10568
10569 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
10570
10571         * testsuite/Makefile.am: Add the incremental_test.sh test.
10572         * testsuite/incremental_test.sh: New.
10573         * testsuite/incremental_test_1.c: New.
10574         * testsuite/incremental_test_2.c: New.
10575
10576 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
10577
10578         * incremental-dump.cc (main): Fix typos.
10579
10580 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
10581
10582         PR gold/11025
10583         * incremental-dump.cc (main): Use llu to print 64 bit values.
10584
10585 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
10586             H.J. Lu  <hongjiu.lu@intel.com>
10587
10588         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
10589         $(LIBDL).
10590         (incremental_dump_LDADD): Likewise.
10591         * Makefile.in: Regenerated.
10592
10593 2009-11-25  Doug Kwan  <dougkwan@google.com>
10594
10595         Revert:
10596
10597         2009-11-25  Doug Kwan  <dougkwan@google.com>
10598
10599                 * arm.cc (Target_arm::Target_arm): Move method definition
10600                 outside of class definition.  Add code to handle
10601                 --target1-rel, --target1-abs and --target2= options.
10602                 (Target_arm::get_reloc_reloc_type): Change method to be
10603                 non-static and const.
10604                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
10605                 New data member declaration.
10606                 (Target_arm::Scan::local, Target_arm::Scan::global,
10607                 Target_arm::Relocate::relocate,
10608                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10609                 Adjust call to Target_arm::get_real_reloc_type.
10610                 (Target_arm::get_real_reloc_type): Use command line options
10611                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
10612                 * options.h (--target1-rel, --target1-abs, --target2): New
10613                 ARM-only options.
10614
10615 2009-11-25  Doug Kwan  <dougkwan@google.com>
10616
10617         * arm.cc (Target_arm::Target_arm): Move method definition outside of
10618         class definition.  Add code to handle --target1-rel, --target1-abs
10619         and --target2= options.
10620         (Target_arm::get_reloc_reloc_type): Change method to be non-static
10621         and const.
10622         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
10623         member declaration.
10624         (Target_arm::Scan::local, Target_arm::Scan::global,
10625         Target_arm::Relocate::relocate,
10626         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
10627         call to Target_arm::get_real_reloc_type.
10628         (Target_arm::get_real_reloc_type): Use command line options to
10629         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
10630         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
10631         options.
10632
10633 2009-11-25  Doug Kwan  <dougkwan@google.com>
10634
10635         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
10636         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
10637         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
10638         formatting.
10639         (Arm_relocate_functions::thm_call): Replace body with a call to
10640         Arm_relocate_functions::thumb_branch_common.
10641         (Arm_relocate_functions::thm_jump24,
10642         Arm_relocate_functions::thm_xpc22): New method definitions.
10643         (Arm_relocate_functions::thumb_branch_common): New method definition.
10644         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
10645         operator.
10646         (Target_arm::Relocate::relocate): Adjust call to thm_call.
10647         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
10648
10649 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
10650
10651         * Makefile.am: Build incremental-dump
10652         * Makefile.in: Regenerate.
10653         * incremental-dump.cc: New.
10654         * incremental.cc (Incremental_inputs_header_data,
10655         Incremental_inputs_entry_data): Move to incremental.h
10656         * incremental.h: (Incremental_inputs_header_data,
10657         Incremental_inputs_entry_data): Move from incremental.cc
10658
10659 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
10660
10661         * incremental.cc (Incremental_inputs_header,
10662         Incremental_inputs_header_write, Incremental_inputs_entry,
10663         Incremental_inputs_entry_write): Add a typedef with the data type.
10664
10665 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
10666
10667         * incremental.cc (Incremental_inputs_header,
10668         Incremental_inputs_header_write, Incremental_inputs_entry,
10669         Incremental_inputs_entry_write): Update comment about which
10670         type has the filed descriptions.
10671
10672 2009-11-15  Doug Kwan  <dougkwan@google.com>
10673
10674         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
10675         (Arm_relocate_functions::arm_branch_common): Change method defintion
10676         in class definition to a method declaration and update list of formal
10677         parameters.
10678         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
10679         Arm_relocation_functions::jump24): Adjust call to
10680         Arm_relocate_functions::arm_branch_common.  Update list of formal
10681         parameters.
10682         (Arm_relocate_functions::xpc25): New method definition.
10683         (Arm_relocate_functions::arm_branch_common): Move method defintion
10684         out from class definition.  Use stubs for mode-switching and extending
10685         branch ranges.
10686         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
10687         specially.  Change code to enable use of stubs in ARM branches.
10688
10689 2009-11-10  Doug Kwan  <dougkwan@google.com>
10690
10691         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
10692         in method declaration.
10693         (Target_arm::relocate_stub): New method declaration.
10694         (Target_arm::default_target): Change to return a pointer instead of
10695         a const reference.
10696         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
10697         Target_arm::default_target.
10698         (Arm_Relobj::do_relocate_sections): Remove options paramater in
10699         method definition.
10700         (Target_arm::relocate_section): Adjust view.
10701         (Target_arm::relocate_stub): New method definition.
10702
10703 2009-11-10  Doug Kwan  <dougkwan@google.com>
10704
10705         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
10706         a format warning.
10707         * incremental.cc (open_incremental_binary): Initialized local
10708         variables to avoid warnings.
10709         * object.cc (make_elf_object): Ditto.
10710         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
10711         a format warning.
10712
10713 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
10714
10715         PR gold/10930
10716         * testsuite/plugin_test.c: Include "config.h".
10717
10718 2009-11-09  Doug Kwan  <dougkwan@google.com>
10719
10720         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
10721         (arm_symbol_value): Remove.
10722         (Arm_relocate_functions::arm_branch_common,
10723         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
10724         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
10725         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
10726         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
10727         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
10728         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
10729         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
10730         Arm_relocate_functions::thm_mobw_abs_nc,
10731         Arm_relocate_functions::thm_mov_abs,
10732         Arm_relocate_functions::movw_prel_nc,
10733         Arm_relocate_functions::thm_movt_abs,
10734         Arm_relocate_functions::movt_prel,
10735         Arm_relocate_functions::thm_movw_prel_nc,
10736         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
10737         (Target_arm::Relocate::relocate): Only decompose address into two
10738         parts if relocation type uses the thumb-bit and pass the actual
10739         bit instead of a flag indicating that the thumb-bit is used.  Adjust
10740         calls to methods in Arm_relocate_functions for this change.
10741
10742 2009-11-08  Ian Lance Taylor  <iant@google.com>
10743
10744         PR 10925
10745         * reloc.cc: Instantiate
10746         Sized_relobj::initialize_input_to_output_maps and
10747         Sized_relobj:free_input_to_output_maps.
10748
10749 2009-11-06  Ian Lance Taylor  <iant@google.com>
10750
10751         PR 10876
10752         * defstd.cc (in_segment): Set only_if_ref true for "end".
10753
10754 2009-11-06  Doug Kwan  <dougkwan@google.com>
10755
10756         * arm.cc (class Reloc_stub): Correct a comment.
10757         (Target_arm::Target_arm): Initialize arm_input_section_map_.
10758         (Target_arm::scan_section_for_stubs): New method declaration.
10759         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
10760         Change methods from private to protected.
10761         (Target_arm::do_may_relax): New method definition.
10762         (Target_arm::do_relax, Target_arm::group_sections,
10763         Target_arm::scan_reloc_for_stub,
10764         Target_arm::scan_reloc_section_for_stubs): New method declarations.
10765         (Target_arm::arm_input_section_map_): New data member declaration.
10766         (Target_arm::scan_reloc_for_stub,
10767         Target_arm::scan_reloc_section_for_stubs,
10768         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
10769         Target_arm::do_relax): New method definitions.
10770
10771 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
10772
10773         * configure.ac: Check for (struct stat)::st_mtim
10774         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
10775         * config.in: Regenerate.
10776         * configure: Regenerate.
10777
10778 2009-11-05  Ian Lance Taylor  <iant@google.com>
10779
10780         PR 10910
10781         * output.cc (Output_segment::add_output_section): Add missing
10782         return statement.
10783
10784 2009-11-04  Ian Lance Taylor  <iant@google.com>
10785
10786         PR 10880
10787         * object.h (class Object): Add is_needed and set_is_needed
10788         methods.  Add is_needed_ field.  Make bool fields into bitfields.
10789         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
10790         defined in a dynamic object and referenced by a regular object,
10791         set is_needed for the dynamic object.
10792         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
10793         if the file is marked with as_needed and it is not needed.
10794
10795 2009-11-04  Ian Lance Taylor  <iant@google.com>
10796
10797         PR 10887
10798         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
10799         tags if data is discarded by linker script.
10800         * i386.cc (Target_i386::do_finalize_sections): Likewise.
10801         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
10802         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
10803         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
10804
10805 2009-11-04  Ian Lance Taylor  <iant@google.com>
10806
10807         * layout.cc (Layout::get_output_section): Add is_interp and
10808         is_dynamic_linker_section parameters.  Change all callers.
10809         (Layout::choose_output_section): Likewise.
10810         (Layout::make_output_section): Likewise.
10811         (Layout::add_output_section_data): Add is_dynamic_linker_section
10812         parameter.  Change all callers.
10813         * layout.h (class Layout): Update declarations.
10814         * output.h (class Output_section): Add is_interp, set_is_interp,
10815         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
10816         Add is_interp_, is_dynamic_linker_section_ fields.  Change
10817         generate_code_fills_at_write_ to a bitfield.
10818         * output.cc (Output_section::Output_sections): Initialize new
10819         fields.
10820         (Output_segment::add_output_section): Add do_sort parameter.
10821         Change all callers.
10822
10823 2009-11-03  Ian Lance Taylor  <iant@google.com>
10824
10825         PR 10860
10826         * options.h (class General_options): Add --warn-common.
10827         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
10828         merging two common symbols.
10829         (Symbol_table::should_override): Handle --warn-common when merging
10830         a common symbol with a defined symbol.  Use report_resolve_problem
10831         for multiple definitions.
10832         (Symbol_table::report_resolve_problem): New function.
10833         * symtab.h (class Symbol_table): Declare report_resolve_problem.
10834
10835 2009-11-03  Doug Kwan  <dougkwan@google.com>
10836
10837         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
10838         stub_factory_.
10839         (Target_arm::stub_factory): New method definition.
10840         (Target_arm::new_arm_input_section,
10841         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
10842         Target_arm::reloc_uses_thumb_bit): New method declarations.
10843         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
10844         New type definitions.
10845         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
10846         member declarations.
10847         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
10848         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
10849         New method definitions.
10850
10851 2009-11-03  Ian Lance Taylor  <iant@google.com>
10852
10853         * options.h (class General_options): Add --warn_constructors.
10854
10855 2009-11-03  Ian Lance Taylor  <iant@google.com>
10856
10857         PR 10893
10858         * defstd.cc (in_section): Add entries for __rel_iplt_start,
10859         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
10860
10861 2009-11-03  Ian Lance Taylor  <iant@google.com>
10862
10863         PR 10895
10864         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
10865         --msgid-bugs-address.
10866         (install-pdf): New target.
10867         (install-data_yes): Look up one directory to find mkinstalldirs.
10868
10869 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
10870
10871         * po/Make-in (.po.gmo): Don't generate .gmo files in source
10872         tree.
10873
10874 2009-10-30  Doug Kwan  <dougkwan@google.com>
10875
10876         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
10877
10878 2009-10-30  Doug Kwan  <dougkwan@google.com>
10879
10880         * arm.cc (Stub_addend_reader): New struct template definition
10881         and partial specializations.
10882         (Stub_addend_reader::operator()): New method definition for a
10883         partially specialized template.
10884
10885 2009-10-30  Doug Kwan  <dougkwan@google.com>
10886
10887         * arm.cc (Arm_relobj::processor_specific_flags): New method
10888         definition.
10889         (Arm_relobj::do_read_symbols): New method declaration.
10890         (Arm_relobj::processor_specific_flags_): New data member declaration.
10891         (Arm_dynobj): New class definition.
10892         (Target_arm::do_finalize_sections): Add input_objects parameter.
10893         (Target_arm::do_adjust_elf_header): New method declaration.
10894         (Target_arm::are_eabi_versions_compatible,
10895         (Target_arm::merge_processor_specific_flags): New method declaration.
10896         (Target_arm::do_make_elf_object): New overloaded method definitions
10897         and declaration.
10898         (Arm_relobj::do_read_symbols): New method definition.
10899         (Arm_dynobj::do_read_symbols): Ditto.
10900         (Target_arm::do_finalize_sections): Add input_objects parameters.
10901         Merge processor-specific flags from all input objects.
10902         (Target_arm::are_eabi_versions_compatible,
10903         Target_arm::merge_processor_specific_flags,
10904         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
10905         New method definitions.
10906         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
10907         Input_objects pointer type parameter.
10908         * layout.cc (Layout::finalize): Pass input objects to target's.
10909         finalize_sections function.
10910         * output.cc (Output_file_header::do_sized_write): Set ELF file
10911         header's processor-specific flags.
10912         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
10913         Input_objects pointer type parameter.
10914         * sparc.cc (Target_sparc::do_finalize_sections): Same.
10915         * target.h (Input_objects): New forward class declaration.
10916         (Target::processor_specific_flags,
10917         Target::are_processor_specific_flags_sect): New method definitions.
10918         (Target::finalize_sections): Add input_objects parameter.
10919         (Target::Target): Initialize processor_specific_flags_ and
10920         are_processor_specific_flags_set_.
10921         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
10922         parameter.
10923         (Target::set_processor_specific_flags): New method definition.
10924         (Target::processor_specific_flags_,
10925         Target::are_processor_specific_flags_set_): New data member
10926         declarations.
10927         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
10928         Input_objects pointer type parameter.
10929
10930 2009-10-30  Doug Kwan  <dougkwan@google.com>
10931
10932         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
10933
10934 2009-10-28  Ian Lance Taylor  <iant@google.com>
10935
10936         * object.h (class Relobj): Drop options parameter from
10937         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
10938         do_scan_relocs, do_relocate.  Change all callers.
10939         (class Sized_relobj): Drop options parameters from
10940         do_gc_process_relocs, do_scan_relocs, do_relocate,
10941         do_relocate_sections, relocate_sections, emit_relocs_scan,
10942         emit_relocs_scan_reltype.  Change all callers.
10943         (struct Relocate_info): Remove options field and all references to
10944         it.
10945         * reloc.h (class Read_relocs): Remove options constructor
10946         parameter and options_ field.  Change all callers.
10947         (class Gc_process_relocs, class Scan_relocs): Likewise.
10948         (class Relocate_task): Likewise.
10949         * target-reloc.h (scan_relocs): Remove options parameter.  Change
10950         all callers.
10951         (scan_relocatable_relocs): Likewise.
10952         * target.h (class Sized_target): Remove options parameter from
10953         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
10954         all callers.
10955         * gc.h (gc_process_relocs): Remove options parameter.  Change all
10956         callers.
10957         * arm.cc: Update functions to remove options parameters.
10958         * i386.cc: Likewise.
10959         * powerpc.cc: Likewise.
10960         * sparc.cc: Likewise.
10961         * x86_64.cc: Likewise.
10962         * testsuite/testfile.cc: Likewise.
10963
10964 2009-10-28  Doug Kwan  <dougkwan@google.com>
10965
10966         * arm.cc (Arm_relobj): New class definition.
10967         (Arm_relobj::scan_sections_for_stubs,
10968         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
10969         New method definitions.
10970
10971 2009-10-28  Cary Coutant  <ccoutant@google.com>
10972
10973         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
10974         (Plugin::cleanup_done_): New member.
10975         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
10976         (Plugin_manager::cleanup_done_): Remove.
10977         (Plugin_manager::add_input_file): Edit error message.
10978         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
10979         (Plugin_manager::cleanup): Remove use of cleanup_done_.
10980
10981 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
10982
10983         * fileread.cc: (File_read::View::~View): Use the new
10984         data_ownership_ filed.
10985         (File_read::~File_read): Dispose the new whole_file_view_.
10986         (File_read::open): Mmap the whole file if needed.
10987         (File_read::open): Use whole_file_view_ instead of contents_.
10988         (File_read::find_view): Use whole_file_view_ if applicable.
10989         (File_read::do_read): Use whole_file_view_ instead of contents_.
10990         (File_read::make_view): Use whole_file_view_ instead of contents_,
10991         update File_read::View::View call.
10992         (File_read::find_or_make_view): Update File_read::View::View
10993         call.
10994         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
10995         remove contents_
10996         (File_read::View::Data_ownership): New enum.
10997         (File_read::View::View): Replace bool mapped_ with Data_ownership
10998         argument.
10999         (File_read::View::mapped_): Remove (replaced by data_ownership_).
11000         (File_read::View::data_ownership_): New field.
11001         (File_read::contents_): Remove (replaced by whole_file_view_).
11002         (File_read::whole_file_view_): New field.
11003         * options.h (class General_options): Add --keep-files-mapped.
11004
11005 2009-10-27  Cary Coutant  <ccoutant@google.com>
11006
11007         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
11008         * testsuite/Makefile.am (plugin_test_5): New test case.
11009         * testsuite/Makefile.in: Regenerate.
11010
11011 2009-10-25  Doug Kwan  <dougkwan@google.com>
11012
11013         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
11014         from private to protected to allow access by child class.
11015         (Sized_relobj::do_relocate_sections): New method declaration.
11016         (Sized_relobj::relocate_sections): Virtualize.
11017         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
11018         Sized_relobj::relocate_sections.  Instantiate template explicitly
11019         for different target sizes and endianity.
11020
11021 2009-10-24  Doug Kwan  <dougkwan@google.com>
11022
11023         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
11024         (Arm_input_section::as_arm_input_section): New method.
11025         (Arm_output_section): New class definition.
11026         (Arm_output_section::create_stub_group,
11027         Arm_output_section::group_sections): New method definitions.
11028
11029 2009-10-22  Doug Kwan  <dougkwan@google.com>
11030
11031         * arm.cc (Arm_input_section): New class definition.
11032         (Arm_input_section::init, Arm_input_section:do_write,
11033         Arm_input_section::set_final_data_size,
11034         Arm_input_section::do_reset_address_and_file_offset): New method
11035         definitions.
11036
11037 2009-10-21  Doug Kwan  <dougkwan@google.com>
11038
11039         * arm.cc (Stub_table, Arm_input_section): New forward class
11040         declarations.
11041         (Stub_table): New class defintion.
11042         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
11043         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
11044         New method definition.
11045
11046 2009-10-21  Doug Kwan  <dougkwan@google.com>
11047
11048         * arm.cc: Update copyright comments.
11049         (Target_arm): New forward class template declaration.
11050         (Arm_address): New type.
11051         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
11052         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
11053         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
11054         constants.
11055         (Insn_template): Same.
11056         (DEF_STUBS): New macro.
11057         (Stub_type): New enum type.
11058         (Stub_template): New class definition.
11059         (Stub): Same.
11060         (Reloc_stub): Same.
11061         (Stub_factory): Same.
11062         (Target_arm::Target_arm): Initialize may_use_blx_ and
11063         should_force_pic_veneer_.
11064         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
11065         Target_arm::should_force_pic_veneer,
11066         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
11067         Target_arm::using_thumb_only, Target_arm:;default_target): New
11068         method defintions.
11069         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
11070         New data member declarations.
11071         (Insn_template::size, Insn_template::alignment): New method defintions.
11072         (Stub_template::Stub_template): New method definition.
11073         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
11074         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
11075         (Stub_factory::Stub_factory): New method definition.
11076         * gold.h (string_hash): New template.
11077         * output.h (Input_section_specifier::hash_value): Use
11078         gold::string_hash.
11079         (Input_section_specifier::string_hash): Remove.
11080         * stringpool.cc (Stringpool_template::string_hash): Use
11081         gold::string_hash.
11082
11083 2009-10-20  Doug Kwan  <dougkwan@google.com>
11084
11085         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
11086         symbols of relaxed input sections.
11087         * output.h (Output_section::find_relaxed_input_section): Make
11088         method public.
11089
11090 2009-10-16  Doug Kwan  <dougkwan@google.com>
11091
11092         * dynobj.cc (Versions::Versions): Initialize version_script_.
11093         Only insert base version symbol definition for a shared object
11094         if version script defines any version versions.
11095         (Versions::define_base_version): New method definition.
11096         (Versions::add_def): Check that base version is not needed.
11097         (Versions::add_need): Define base version lazily.
11098         * dynobj.h (Versions::define_base_version): New method declaration.
11099         (Versions::needs_base_version_): New data member declaration.
11100         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
11101         (check_DATA): Add no_version_test.stdout.
11102         (libno_version_test.so, no_version_test.o no_version_test.stdout):
11103         New make rules.
11104         * testsuite/Makefile.in: Regenerate.
11105         * testsuite/no_version_test.c: New file.
11106         * testsuite/no_version_test.sh: Ditto.
11107
11108 2009-10-16  Doug Kwan  <dougkwan@google.com>
11109
11110         * expression.cc (class Segment_start_expression): New class definition.
11111         (Segment_start_expression::value): New method definition.
11112         (script_exp_function_segment_start): Return a new
11113         Segment_start_expression.
11114         * gold/script-c.h (script_saw_segment_start_expression): New function
11115         prototype.
11116         * script-sections.cc (Script_sections::Script_sections): Initialize
11117         SAW_SEGMENT_START_EXPRESSION_ to false.
11118         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
11119         and -Tbbs options to specify section addresses if given in
11120         command line and no SEGMENT_START expression is seen in a script.
11121         * script-sections.h (Script_sections::saw_segment_start_expression,
11122         Script_sections::set_saw_segment_start_expression): New method
11123         definition.
11124         (Script_sections::saw_segment_start_expression_): New data member
11125         declaration.
11126         * script.cc (script_saw_segment_start_expression): New function.
11127         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
11128         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
11129         script_test_7.sh and script_test_8.sh.
11130         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
11131         script_test_8.stdout.
11132         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
11133         (script_test_6, script_test_6.stdout, script_test_7,
11134         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
11135         * Makefile.in: Regenerate.
11136         * testsuite/script_test_6.sh: New file.
11137         * testsuite/script_test_6.t: Same.
11138         * testsuite/script_test_7.sh: Same.
11139         * testsuite/script_test_7.t: Same.
11140         * testsuite/script_test_8.sh: Same.
11141
11142 2009-10-16  Doug Kwan  <dougkwan@google.com>
11143
11144         * output.cc (Output_segment::set_section_list_address): Cast
11145         expressions to unsigned long long type to avoid format warnings.
11146
11147 2009-10-15  Ian Lance Taylor  <iant@google.com>
11148
11149         * script.cc (Script_options::add_symbol_assignment): Always add a
11150         dot assignment to script_sections_.
11151         * script-sections.cc (Script_sections::add_dot_assignment):
11152         Initialize if necessary.
11153
11154         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
11155         program headers with no load segment if there is a linker script.
11156
11157         * layout.cc (Layout::set_segment_offsets): Align the file offset
11158         to the segment aligment for -N or -n with no load segment.
11159         * output.cc (Output_segment::add_output_section): Don't crash if
11160         the first section is a TLS section.
11161         (Output_segment::set_section_list_addresses): Print an error
11162         message if the address moves backward in a linker script.
11163         * script-sections.cc
11164         (Output_section_element_input::set_section_addresses): Don't
11165         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
11166         (Orphan_output_section::set_section_addresses): Likewise.
11167
11168 2009-10-15  Doug Kwan  <dougkwan@google.com>
11169
11170         * layout.cc (Layout::finish_dynamic_section): Generate tags
11171         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
11172         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
11173         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
11174
11175 2009-10-14  Ian Lance Taylor  <iant@google.com>
11176
11177         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
11178         fields.
11179         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
11180         data_shdr fields of relinfo.
11181         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
11182         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
11183         R_386_TLS_LDO_32, adjust based on section flags.
11184         (Target_i386::Relocate::fix_up_ldo): Remove.
11185
11186 2009-10-13  Ian Lance Taylor  <iant@google.com>
11187
11188         Add support for -pie.
11189         * options.h (class General_options): Add -pie and
11190         --pic-executable.
11191         (General_options::output_is_position_independent): Test -pie.
11192         (General_options::output_is_executable): Return true if not shared
11193         and not relocatable.
11194         (General_options::output_is_pie): Remove.
11195         * options.cc (General_options::finalize): Reject incompatible uses
11196         of -pie.
11197         * gold.cc (queue_middle_tasks): A -pie link is not static.
11198         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
11199         * symtab.cc (Symbol::final_value_is_known): Return false if
11200         output_is_position_independent.
11201         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
11202         output_is_position_independent.
11203         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
11204         output_is_position_independent.
11205         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
11206         output_is_position_independent.
11207         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
11208         two_file_pie_test.
11209         (basic_pie_test.o, basic_pie_test): New targets.
11210         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
11211         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
11212         (two_file_pie_test): New target.
11213         * testsuite/Makefile.in: Rebuild.
11214         * README: Remove note saying that -pie is not supported.
11215
11216 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
11217
11218         * options.h (class General_options): Add -init and -fini.
11219         * layout.cc (Layout::finish_dynamic_section): Emit
11220         given init and fini functions.
11221
11222 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
11223
11224         * gc.h (gc_process_relocs): Check if icf is enabled using new
11225         function.
11226         * gold.cc (queue_initial_tasks): Likewise.
11227         (queue_middle_tasks): Likewise.
11228         * object.cc (do_layout): Likewise.
11229         * symtab.cc (is_section_folded): Likewise.
11230         * main.cc (main): Likewise.
11231         * reloc.cc (Read_relocs::run): Likewise.
11232         (Sized_relobj::do_scan_relocs): Likewise.
11233         * icf.cc (is_function_ctor_or_dtor): New function.
11234         (Icf::find_identical_sections): Check if function is ctor or dtor when
11235         safe icf is chosen.
11236         * options.h (General_options::icf): Change option to be an enum.
11237         (Icf_status): New enum.
11238         (icf_enabled): New method.
11239         (icf_safe_folding): New method.
11240         (set_icf_status): New method.
11241         (icf_status_): New variable.
11242         * (options.cc) (General_options::finalize): Set icf_status_.
11243         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
11244         icf_test and icf_keep_unique_test to use the --icf enum flag.
11245         * testsuite/icf_safe_test.sh: New file.
11246         * testsuite/icf_safe_test.cc: New file.
11247
11248 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
11249
11250         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
11251         includes to gc.h and icf.h.
11252         * arm.cc: Include gc.h.
11253         * gold.cc: Likewise.
11254         * i386.cc: Likewise.
11255         * powerpc.cc: Likewise.
11256         * sparc.cc: Likewise.
11257         * x86_64.cc: Likewise.
11258         * gc.h: Include icf.h.
11259
11260 2009-10-11  Ian Lance Taylor  <iant@google.com>
11261
11262         * plugin.cc: Include "gold.h" before other header files.
11263
11264 2009-10-10  Chris Demetriou  <cgd@google.com>
11265
11266         * options.h (Input_file_argument::Input_file_type): New enum.
11267         (Input_file_argument::is_lib_): Replace with...
11268         (Input_file_argument::type_): New member.
11269         (Input_file_argument::Input_file_argument): Take Input_file_type
11270         'type' rather than boolean 'is_lib' as second argument.
11271         (Input_file_argument::is_lib): Use type_.
11272         (Input_file_argument::is_searched_file): New function.
11273         (Input_file_argument::may_need_search): Handle is_searched_file.
11274         * options.cc (General_options::parse_library): Support -l:filename.
11275         (General_options::parse_just_symbols): Update for Input_file_argument
11276         changes.
11277         (Command_line::process): Likewise.
11278         * archive.cc (Archive::get_file_and_offset): Likewise.
11279         * plugin.cc (Plugin_manager::release_input_file): Likewise.
11280         * script.cc (read_script_file, script_add_file): Likewise.
11281         * fileread.cc (Input_file::Input_file): Likewise.
11282         (Input_file::will_search_for): Handle is_searched_file.
11283         (Input_file::open): Likewise.
11284         * readsyms.cc (Read_symbols::get_name): Likewise.
11285         * testsuite/Makefile.am (searched_file_test): New test.
11286         * testsuite/Makefile.in: Regenerate.
11287         * testsuite/searched_file_test.cc: New file.
11288         * testsuite/searched_file_test_lib.cc: New file.
11289
11290 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11291             Ian Lance Taylor  <iant@google.com>
11292
11293         * descriptor.cc: Include <cstdio> and "binary-io.h".
11294         (Descriptors::open): Open the files in binary mode always.
11295         * script.cc (Lex::get_token): Treat \r as whitespace.
11296
11297 2009-10-09  Ian Lance Taylor  <iant@google.com>
11298
11299         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
11300
11301 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11302             Ian Lance Taylor  <iant@google.com>
11303
11304         * configure.ac: Check for readv function also.
11305         * fileread.cc (readv): Define if not HAVE_READV.
11306         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
11307         does not exist.
11308         * config.in: Regenerate.
11309         * configure: Regenerate.
11310
11311 2009-10-09  Doug Kwan  <dougkwan@google.com>
11312
11313         * layout.cc (Layout::make_output_section): Call target hook to make
11314         ordinary output section.
11315         (Layout::finalize): Adjust parameter list of call the
11316         Target::may_relax().
11317         * layout.h (class Layout::section_list): New method.
11318         * merge.h (Output_merge_base::entsize): Change visibility to public.
11319         (Output_merge_base::is_string, Output_merge_base::do_is_string):
11320         New methods.
11321         (Output_merge_string::do_is_string): New method.
11322         * object.cc (Sized_relobj::do_setup): renamed from
11323         Sized_relobj::set_up.
11324         * object.h (Sized_relobj::adjust_shndx,
11325         Sized_relobj::initializ_input_to_output_maps,
11326         Sized_relobj::free_input_to_output_maps): Change visibilities to
11327         protected.
11328         (Sized_relobj::setup): Virtualize.
11329         (Sized_relobj::do_setup): New method declaration.
11330         (Sized_relobj::invalidate_section_offset,
11331         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
11332         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
11333         * options.cc (parse_int): New function.
11334         * options.h (parse_int): New declaration.
11335         (DEFINE_int): New macro.
11336         (stub_group_size): New option.
11337         * output.cc (Output_section::Output_section): Initialize memebers
11338         merge_section_map_, merge_section_by_properties_map_,
11339         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
11340         (Output_section::add_input_section): Handled deferred code-fill
11341         generation and remove an old comment.
11342         (Output_section::add_relaxed_input_section): New method definition.
11343         (Output_section::add_merge_input_section): Use merge section by
11344         properties map to speed to search.  Update merge section maps
11345         as appropriate.
11346         (Output_section::build_relaxation_map): New method definition.
11347         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
11348         Same.
11349         (Output_section::relax_input_section): Renamed to
11350         Output_section::convert_input_sections_to_relaxed_sections and change
11351         interface to take a vector of pointers to relaxed sections.
11352         (Output_section::find_merge_section,
11353         Output_section::find_relaxed_input_section): New method definitions.
11354         (Output_section::is_input_address_mapped,
11355         Output_section::output_offset, Output_section::output_address):
11356         Use output section data maps to speed up searching.
11357         (Output_section::find_starting_output_address): Add comments.
11358         (Output_section::do_write,
11359         Output_section::write_to_postprocessing_buffer): Do code-fill
11360         generation as appropriate.
11361         (Output_section::get_input_sections): Invalidate relaxed input section
11362         map.
11363         (Output_section::restore_states): Adjust type of checkpoint .
11364         Invalidate relaxed input section map.
11365         * output.h (Output_merge_base): New class declaration.
11366         (Input_section_specifier): New class defintion.
11367         (class Output_relaxed_input_section) Change base class to
11368         Output_section_data_build.
11369         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
11370         base class initializer.
11371         (Output_section::add_relaxed_input_section): New method declaration.
11372         (Output_section::Input_section): Change visibility to protected.
11373         (Output_section::Input_section::relobj,
11374         Output_section::Input_section::shndx): Handle relaxed input sections.
11375         Output_section::input_sections) Change visibility to protected.  Also
11376         define overload to return a non-const pointer.
11377         (Output_section::Merge_section_properties): New class defintion.
11378         (Output_section::Merge_section_by_properties_map,
11379         Output_section::Output_section_data_by_input_section_map,
11380         Output_section::Relaxation_map): New types.
11381         (Output_section::relax_input_section): Rename method to
11382         Output_section::convert_input_sections_to_relaxed_sections and change
11383         interface to take a vector of relaxed section pointers.
11384         (Output_section::find_merge_section,
11385         Output_section::find_relaxed_input_section,
11386         Output_section::build_relaxation_map,
11387         Output_section::convert_input_sections_in_list_to_relaxed_sections):
11388         New method declarations.
11389         (Output_section::merge_section_map_
11390         Output_section::merge_section_by_properties_map_,
11391         Output_section::relaxed_input_section_map_,
11392         Output_section::is_relaxed_input_section_map_valid_,
11393         Output_section::generate_code_fills_at_write_): New data members.
11394         * script-sections.cc
11395         (Output_section_element_input::set_section_addresses): Call
11396         current_data_size and addralign methods of relaxed input sections.
11397         (Orphan_output_section::set_section_addresses): Call current_data_size
11398         and addralign methods of relaxed input sections.
11399         * symtab.cc (Symbol_table::compute_final_value): Extract template
11400         from the body of Symbol_table::sized_finalize_symbol.
11401         (Symbol_table::sized_finalized_symbol): Call
11402         Symbol_table::compute_final_value.
11403         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
11404         (Symbol_table::compute_final_value): New templated method declaration.
11405         * target.cc (Target::do_make_output_section): New method defintion.
11406         * target.h (Target::make_output_section): New method declaration.
11407         (Target::relax): Add more parameters for input objects, symbol table
11408         and layout.  Adjust call to do_relax.
11409         (Target::do_make_output_section): New method declaration.
11410         (Target::do_relax): Add parameters for input objects, symbol table
11411         and layout.
11412
11413 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11414
11415         * pread.c: Include stdio.h.
11416
11417 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11418
11419         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
11420         defined.
11421
11422 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11423
11424         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
11425         Change read_shndx type to unsigned int.
11426         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
11427         int.
11428         (Sized_dwarf_line_info::read_line_mappings): Likewise.
11429         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
11430         Change read_shndx type to unsigned int.
11431         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
11432         int.
11433         (Sized_dwarf_line_info::read_line_mappings): Likewise.
11434         * layout.cc (Layout::create_symtab_sections): Cast the result of
11435         local_symcount * symsize to off_t in the gold_assert.
11436
11437 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11438
11439         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
11440         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
11441         R_ARM_BASE_ABS.
11442         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
11443         (Arm_relocate_functions::thm_abs5): New function.
11444         (Arm_relocate_functions::abs12): New function.
11445         (Arm_relocate_functions::abs16): New function.
11446         (Arm_relocate_functions::base_abs): New function.
11447         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
11448         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
11449         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
11450         R_ARM_BASE_ABS.
11451         (Scan::global): Likewise.
11452         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
11453         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
11454         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
11455         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
11456         R_ARM_BASE_ABS.
11457
11458 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11459
11460         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
11461         (Arm_relocate_functions::movt_prel): New function.
11462         (Arm_relocate_functions::thm_movw_prel_nc): New function.
11463         (Arm_relocate_functions::thm_movt_prel): New function.
11464         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
11465         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
11466         (Scan::global, Relocate::relocate): Likewise.
11467         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
11468
11469 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
11470
11471         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
11472         Incremental_checker.
11473         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
11474         unsigned int.
11475         (class Incremental_inputs_header): New class.
11476         (Incremental_inputs_header_writer): Edit comment.
11477         (Incremental_inputs_entry): New class.
11478         (Incremental_inputs_entry_writer): Edit comment.
11479         (Sized_incremental_binary::do_find_incremental_inputs_section):
11480         Add *strtab_shndx parameter, fill it.
11481         (Sized_incremental_binary::do_check_inputs): New method.
11482         (Incremental_checker::can_incrementally_link_output_file): Use
11483         Sized_incremental_binary::check_inputs.
11484         (Incremental_inputs::report_command_line): Save command line in
11485         command_line_.
11486         * incremental.h:
11487         (Incremental_binary::find_incremental_inputs_section): New
11488         method.
11489         (Incremental_binary::do_find_incremental_inputs_section): Add
11490         strtab_shndx parameter.
11491         (Incremental_binary::do_check_inputs): New pure virtual method.
11492         (Sized_incremental_binary::do_check_inputs): Declare.
11493         (Incremental_checker::Incremental_checker): Add incremental_inputs
11494         parameter, use it to initialize incremental_inputs_.
11495         (Incremental_checker::incremental_inputs_): New field.
11496         (Incremental_checker::command_line): New method.
11497         (Incremental_checker::inputs): New method.
11498         (Incremental_checker::command_line_): New field.
11499
11500 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
11501
11502         * incremental.cc: Include <cstdarg> and "target-select.h".
11503         (vexplain_no_incremental): New function.
11504         (explain_no_incremental): New function.
11505         (Incremental_binary::error): New method.
11506         (Sized_incremental_binary::do_find_incremental_inputs_section): New
11507         method.
11508         (make_sized_incremental_binary): New function.
11509         (open_incremental_binary): New function.
11510         (can_incrementally_link_file): Add checks if output is ELF and has
11511         inputs section.
11512         * incremental.h: Include "elfcpp_file.h" and "output.h".
11513         (Incremental_binary): New class.
11514         (Sized_incremental_binary): New class.
11515         (open_incremental_binary): Declare.
11516         * object.cc (is_elf_object): Use
11517         elfcpp::Elf_recognizer::is_elf_file.
11518         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
11519         * output.h (Output_file::filesize): New method.
11520
11521 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11522
11523         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
11524         New function.
11525         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
11526         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
11527         function.
11528         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
11529         function.
11530         (Arm_relocate_functions::movw_abs_nc): New function.
11531         (Arm_relocate_functions::movt_abs): New function.
11532         (Arm_relocate_functions::thm_movw_abs_nc): New function.
11533         (Arm_relocate_functions::thm_movt_abs): New function.
11534         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
11535         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
11536         (Scan::global): Likewise.
11537         (Relocate::relocate): Likewise.
11538         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
11539
11540 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11541
11542         * arm.cc (Arm_relocate_functions::got_prel) New function.
11543         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
11544         (Relocate::relocate): Likewise.
11545         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
11546
11547 2009-10-06  Ian Lance Taylor  <iant@google.com>
11548
11549         * options.h (class General_options): Define
11550         split_stack_adjust_size parameter.
11551         * object.h (class Object): Add uses_split_stack_ and
11552         has_no_split_stack_ fields.  Add uses_split_stack and
11553         has_no_split_stack accessor functions.  Declare
11554         handle_split_stack_section.
11555         (class Reloc_symbol_changes): Define.
11556         (class Sized_relobj): Define Function_offsets.  Declare
11557         split_stack_adjust, split_stack_adjust_reltype, and
11558         find_functions.
11559         * object.cc (Object::handle_split_stack_section): New function.
11560         (Sized_relobj::do_layout): Call handle_split_stack_section.
11561         * dynobj.cc (Sized_dynobj::do_layout): Call
11562         handle_split_stack_section.
11563         * reloc.cc (Sized_relobj::relocate_sections): Call
11564         split_stack_adjust for executable sections in split_stack
11565         objects.  Pass reloc_map to relocate_section.
11566         (Sized_relobj::split_stack_adjust): New function.
11567         (Sized_relobj::split_stack_adjust_reltype): New function.
11568         (Sized_relobj::find_functions): New function.
11569         * target-reloc.h: Include "object.h".
11570         (relocate_section): Add reloc_symbol_changes parameter.  Change
11571         all callers.
11572         * target.h (class Target): Add calls_non_split method.  Declare
11573         do_calls_non_split virtual method.  Declare match_view and
11574         set_view_to_nop.
11575         * target.cc: Include "elfcpp.h".
11576         (Target::do_calls_non_split): New function.
11577         (Target::match_view): New function.
11578         (Target::set_view_to_nop): New function.
11579         * gold.cc (queue_middle_tasks): Give an error if mixing
11580         split-stack and non-split-stack objects with -r.
11581         * i386.cc (Target_i386::relocate_section): Add
11582         reloc_symbol_changes parameter.
11583         (Target_i386::do_calls_non_split): New function.
11584         * x86_64.cc (Target_x86_64::relocate_section): Add
11585         reloc_symbol_changes parameter.
11586         (Target_x86_64::do_calls_non_split): New function.
11587         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
11588         parameter.
11589         * powerpc.cc (Target_powerpc::relocate_section): Add
11590         reloc_symbol_changes parameter.
11591         * sparc.cc (Target_sparc::relocate_section): Add
11592         reloc_symbol_changes parameter.
11593         * configure.ac: Call AM_CONDITIONAL for the default target.
11594         * configure: Rebuild.
11595         * testsuite/Makefile.am (TEST_AS): New variable.
11596         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
11597         (check_DATA): Add split_i386 and split_x86_64 files.
11598         (SPLIT_DEFSYMS): Define.
11599         (split_i386_[1234n].o): New targets.
11600         (split_i386_[124]): New targets.
11601         (split_i386_[1234r].stdout): New targets.
11602         (split_x86_64_[1234n].o): New targets.
11603         (split_x86_64_[124]): New targets.
11604         (split_x86_64_[1234r].stdout): New targets.
11605         (MOSTLYCLEANFILES): Add new executables.
11606         * testsuite/split_i386.sh: New file.
11607         * testsuite/split_x86_64.sh: New file.
11608         * testsuite/split_i386_1.s: New file.
11609         * testsuite/split_i386_2.s: New file.
11610         * testsuite/split_i386_3.s: New file.
11611         * testsuite/split_i386_4.s: New file.
11612         * testsuite/split_i386_n.s: New file.
11613         * testsuite/split_x86_64_1.s: New file.
11614         * testsuite/split_x86_64_2.s: New file.
11615         * testsuite/split_x86_64_3.s: New file.
11616         * testsuite/split_x86_64_4.s: New file.
11617         * testsuite/split_x86_64_n.s: New file.
11618         * testsuite/testfile.cc (Target_test): Update relocation_section
11619         function.
11620         * testsuite/Makefile.in: Rebuild.
11621
11622 2009-10-06  Ian Lance Taylor  <iant@google.com>
11623
11624         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
11625         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
11626         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
11627         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
11628         the address on ldo_addrs_.
11629         (Target_i386::Relocate::fix_up_ldo): New function.
11630
11631 2009-10-06   Rafael Espindola  <espindola@google.com>
11632
11633         * plugin.cc (add_input_library): New.
11634         (Plugin::load): Add add_input_library to tv.
11635         (Plugin_manager::add_input_file): Add the is_lib argument.
11636         (add_input_file): Update call to Plugin_manager::add_input_file.
11637         (add_input_library): New.
11638         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
11639
11640 2009-09-30  Doug Kwan  <dougkwan@google.com>
11641
11642         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
11643         symbol and call Symbol::may_need_copy_reloc to determine if
11644         a copy reloc is needed.
11645         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
11646         nocopyreloc is given in command line.
11647         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
11648         given in command line.
11649         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
11650         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
11651         of the removed Target_i386::may_need_copy_reloc.
11652         * options.h (copyreloc): New option with default value false.
11653         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
11654         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
11655         instead of the removed Target_powerpc::may_need_copy_reloc.
11656         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
11657         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
11658         instead of the removed Target_sparc::may_need_copy_reloc.
11659         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
11660         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
11661         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
11662         instead of the removed Target_x86_64::may_need_copy_reloc.
11663
11664 2009-09-30  Ian Lance Taylor  <iant@google.com>
11665
11666         * object.h (class Object): Remove target_ field, and target,
11667         sized_target, and set_target methods.
11668         (Object::sized_target): Remove.
11669         (class Sized_relobj): Update declarations.  Remove sized_target.
11670         * object.cc (Sized_relobj::setup): Remove target parameter.
11671         Change all callers.
11672         (Input_objects::add_object): Don't do anything with the target.
11673         (make_elf_sized_object): Add punconfigured parameter.  Change all
11674         callers.  Set or test parameter target.
11675         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
11676         Change all callers.
11677         * parameters.cc (Parameters::set_target): Change parameter type to
11678         be non-const.
11679         (Parameters::default_target): Remove.
11680         (set_parameters_target): Change parameter type to be non-const.
11681         (parameters_force_valid_target): New function.
11682         (parameters_clear_target): New function.
11683         * parameters.h (class Parameters): Update declarations.  Remove
11684         default_target method.  Add sized_target and clear_target
11685         methods.  Change target_ to be non-const.
11686         (set_parameters_target): Update declaration.
11687         (parameters_force_valid_target): Declare.
11688         (parameters_clear_target): Declare.
11689         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
11690         as NULL if we aren't searching.
11691         (Add_symbols::run): Don't check for compatible target.
11692         * fileread.cc (Input_file::open_binary): Call
11693         parameters_force_valid_target.
11694         * gold.cc (queue_middle_tasks): Likewise.
11695         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
11696         set_target on object.
11697         * dynobj.h (class Sized_dynobj): Update declarations.
11698         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
11699         make_elf_object returns NULL.
11700         (Archive::include_member): Don't check whether object target is
11701         compatible.
11702         * output.cc (Output_section::add_input_section): Get target from
11703         parameters.
11704         (Output_section::relax_input_section): Likewise.
11705         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
11706         parameters.
11707         (Sized_relobj::do_scan_relocs): Likewise.
11708         (Sized_relobj::relocate_sections): Likewise.
11709         * resolve.cc (Symbol_table::resolve): Likewise.
11710         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
11711         parameter.  Change all callers.
11712         (Symbol_table::add_from_object): Get target from parameters.
11713         (Symbol_table::add_from_relobj): Don't check object target.
11714         (Symbol_table::add_from_dynobj): Likewise.
11715         (Symbol_table::define_special_symbol): Get target from
11716         parameters.
11717         * symtab.h (class Symbol_table): Update declaration.
11718         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
11719         parameter.  Change all callers.  Clear parameter target.
11720         (Binary_test): Test target here.
11721         * testsuite/object_unittest.cc (gold_testsuite): Remove
11722         target_test_pointer parameter.  Change all callers.
11723         (Object_test): Test target here.
11724
11725 2009-09-26  Ian Lance Taylor  <iant@google.com>
11726
11727         * testsuite/initpri1.c: Don't try to use constructor priorities if
11728         compiling with gcc before 4.3.
11729
11730 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
11731
11732         * testsuite/retain_symbols_file_test.sh (check_present): Change
11733         output file name to retain_symbols_file_test.stdout.
11734         (check_absent): Likewise.
11735
11736 2009-09-18  Craig Silverstein  <csilvers@google.com>
11737
11738         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
11739         * options.cc: Include <cerrno> and <fstream>.
11740         (General_options::finalize): Parse -retain-symbols-file tag.
11741         * options.h: New flag.
11742         (General_options): New method should_retain_symbol, new
11743         variable symbols_to_retain.
11744         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
11745         should_retain_symbol map.
11746         * testsuite/Makefile.am (retain_symbols_file_test): New test.
11747         * testsuite/Makefile.in: Regenerate.
11748         * testsuite/retain_symbols_file_test.sh: New file.
11749
11750 2009-09-18  Nick Clifton  <nickc@redhat.com>
11751
11752         * po/es.po: Updated Spanish translation.
11753
11754 2009-09-17  Doug Kwan  <dougkwan@google.com>
11755
11756         * debug.h (DEBUG_RELAXATION): New constant.
11757         (DEBUG_ALL): Add DEBUG_RELAXATION.
11758         (debug_string_to_enum): Add relaxation debug option.
11759         * layout.cc
11760         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
11761         Layout::Relaxation_debug_check::read_sections,
11762         Layout::Relaxation_debug_check::read_sections): New method definitions.
11763         (Layout::Layout): Initialize data members
11764         record_output_section_data_from_scrips_,
11765         script_output_section_data_list_ and relaxation_debug_check_.
11766         (Layout::save_segments, Layout::restore_segments,
11767         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
11768         Layout::relaxation_loop_body): New method definitions.
11769         (Layout::finalize): Support relaxation.  Move section layout code to
11770         Layout::relaxation_loop_body.
11771         (Layout::set_asection_address_from_script): Move code for orphan
11772         section placement out.
11773         (Layout::place_orphan_sections_in_script): New method definition.
11774         * layout.h (Output_segment_headers, Output_file_header):
11775         New forward class declarations.
11776         (Layout::~Layout): Define.
11777         (Layout::new_output_section_data_from_script): New method definition.
11778         (Layout::place_orphan_sections_in_script): New method declaration.
11779         (Layout::Segment_states): New type declaration.
11780         (Layout::save_segments, Layout::restore_segments,
11781         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
11782         Layout::relaxation_loop_body): New method declarations.
11783         (Layout::Output_section_data_list): New type declaration.
11784         (Layout::Relaxation_debug_check): New class definition.
11785         (Layout::record_output_section_data_from_script_,
11786         Layout::script_output_section_data_list_, Layout::segment_states_,
11787         Layout::relaxation_debug_check_): New data members.
11788         * output.cc: (Output_section_headers::do_size): New method definition.
11789         (Output_section_headers::Output_section_headers): Move size
11790         computation to Output_section_headers::do_size.
11791         (Output_segment_headers::do_size): New method definition.
11792         (Output_file_header::Output_file_header): Move size computation to
11793         Output_file_header::do_size and call it.
11794         (Output_file_header::do_size): New method definition.
11795         (Output_data_group::Output_data_group): Adjust call to
11796         Output_section_data.
11797         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
11798         (Output_symtab_xindex::do_write): Add array bound check.
11799         (Output_section::Input_section::print_to_mapfile): Handle
11800         RELAXED_INPUT_SECTION_CODE.
11801         (Output_section::Output_section): Initialize data member checkpoint_.
11802         (Output_section::~Output_section): Delete checkpoint object pointed
11803         by checkpoint_.
11804         (Output_section::add_input_section): Always add an Input_section if
11805         relaxing.
11806         (Output_section::add_merge_input_section): Add assert.
11807         (Output_section::relax_input_section): New method definition.
11808         (Output_section::set_final_data_size): Set load address to zero for
11809         an unallocated section.
11810         (Output_section::do_address_and_file_offset_have_reset_values):
11811         New method definition.
11812         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
11813         Handle relaxed input section.
11814         (Output_section::sort_attached_input_sections): Checkpoint input
11815         section list lazily.
11816         (Output_section::get_input_sections): Change type of input_sections to
11817         list of Simple_input_section pointers.  Checkpoint input section list
11818         lazily.  Also handle relaxed input sections.
11819         (Output_section::add_input_section_for_script): Take a reference to
11820         a Simple_input_section object instead of Relobj pointer and section
11821         index as parameter.  Handle relaxed input sections.
11822         (Output_section::save_states, Output_section::restore_states): New
11823         method definitions.
11824         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
11825         (Output_data::is_data_size_fixed): New method definition.
11826         (Output_data::reset_addresss_and_file_offset): Do not reset data size
11827         if it is fixed.
11828         (Output_data::address_and_file_offset_have_reset_values): New method
11829         definition.
11830         (Output_data::do_address_and_file_offset_have_reset_values): New method
11831         definition.
11832         (Output_data::set_data_size): Check that data size is not fixed.
11833         (Output_data::fix_data_size): New method definition.
11834         (Output_data::is_data_size_fixed_): New data member.
11835         (Output_section_headers::set_final_data_size): New method definition.
11836         (Output_section_headers::do_size): New method declaration.
11837         (Output_segment_headers::set_final_data_size): New method definition.
11838         (Output_segment_headers::do_size): New method declaration.
11839         (Output_file_header::set_final_data_size)::New method definition.
11840         (Output_file_header::do_size)::New method declaration.
11841         (Output_section_data::Output_section_data): Add new parameter
11842         is_data_size_fixed and use it to fix data size.
11843         (Output_data_const::Output_data_const): Adjust call to base class
11844         constructor and fix data size.
11845         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
11846         base class constructor and fix data size.
11847         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
11848         base class constructor and fix data size.
11849         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
11850         class constructor and fix data size.
11851         (Output_data_group::set_final_data_size): New method definition.
11852         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
11853         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
11854         class constructor and fix data size.
11855         (Output_relaxed_input_section): New class definition.
11856         (Output_section::Simple_input_section): New class definition.
11857         (Output_section::get_input_sections): Adjust parameter list.
11858         (Output_section::add_input_section_for_script): Same.
11859         (Output_section::save_states, Output_section::restore_states,
11860         Output_section::do_address_and_file_offset_have_reset_values,
11861         (Output_section::Input_section::Input_section): Handle
11862         RELAXED_INPUT_SECTION_CODE.  Add new overload for
11863         Output_relaxed_input_section.
11864         (Output_section::Input_section::is_input_section,
11865         Output_section::Input_section::set_output_section): Handle relaxed
11866         input section.
11867         (Output_section::Input_section::is_relaxed_input_section,
11868         Output_section::Input_section::output_section_data,
11869         Output_section::Input_section::relaxed_input_section): New method
11870         definitions.
11871         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
11872         value.
11873         (Output_section::Input_section::u1_): Update comments.
11874         (Output_section::Input_section::u2_): Add new union member poris.
11875         (Output_section::Checkpoint_output_section): New classs definition.
11876         (Output_section::relax_input_section): New method declaration.
11877         (Output_section::checkpoint_): New data member.
11878         (Output_segment): Update comments.
11879         (Output_segment::Output_segment): Un-privatize copy constructor.
11880         (Output_segment::operator=): Un-privatize.
11881         * script-sections.cc (Output_section_element::Input_section_list):
11882         Change element type to Output_section::Simple_input_section.
11883         (Output_section_element_dot_assignment::set_section_addresses):
11884         Register output section data for relaxation clean up.
11885         (Output_data_exression::Output_data_expression): Adjust call to base
11886         constructor to fix data size.
11887         (Output_section_element_data::set_section_addresses): Register
11888         Output_data_expression object for relaxation clean up.
11889         (struct Input_section_info): Replace Relobj pointer and section index
11890         pair with Output_section::Simple_input_section and Convert struct to a
11891         class.
11892         (Input_section_sorter::operator()): Adjust access to
11893         Input_section_info data member to use accessors.
11894         (Output_section_element_input::set_section_addresses): Use layout
11895         parameter.  Adjust code to use Output_section::Simple_input_section
11896         and Input_secction_info classes.  Register filler for relaxation
11897         clean up.
11898         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
11899         and section index pair with Output_section::Simple_input_section
11900         class.  Adjust code accordingly.
11901         (Phdrs_element::release_segment): New method definition.
11902         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
11903         segment list.
11904         (Script_sections::release_segments): New method definition.
11905         * gold/script-sections.h (Script_sections::release_segments): New
11906         method declaration.
11907         * gold/target.h (Target::may_relax, Target::relax,
11908         Target::do_may_relax, Target::do_relax): New method definitions.
11909
11910 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11911
11912         * arm.cc (has_signed_unsigned_overflow): New function.
11913         (Arm_relocate_functions::abs8): New function.
11914         (Target_arm::Scan::local): Handle R_ARM_ABS8.
11915         (Target_arm::Scan::global): Likewise.
11916         (Target_arm::relocate::relocate): Likewise.
11917         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
11918         Likewise.
11919
11920 2009-09-16  Cary Coutant  <ccoutant@google.com>
11921
11922         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
11923         * testsuite/Makefile.in: Regenerate.
11924
11925 2009-09-11  Nick Clifton  <nickc@redhat.com>
11926
11927         * po/gold.pot: Updated by the Translation project.
11928
11929 2009-09-08  Cary Coutant  <ccoutant@google.com>
11930
11931         * output.cc (Output_file::open): Add execute permission to empty file.
11932         * testsuite/Makefile.am (permission_test): New test.
11933         * testsuite/Makefile.in: Regenerate.
11934
11935 2009-09-02  Ian Lance Taylor  <iant@google.com>
11936
11937         * output.cc (Output_file::resize): Call map_no_anonymous rather
11938         than map.
11939
11940 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
11941
11942         * gold.cc: Include "incremental.h".
11943         (queue_initial_tasks): Call Incremental_checker methods.
11944         * incremental.cc: Include "output.h".
11945         (Incremental_checker::can_incrementally_link_output_file): New
11946         method.
11947         * incremental.h (Incremental_checker): New class.
11948
11949         * output.cc (Output_file::open_for_modification): New method.
11950         (Output_file::map_anonymous): Changed return type to bool.  Record
11951         map in base_ field.
11952         (Output_file::map_no_anonymous): New method, broken out of map.
11953         (Output_file::map): Use map_no_anonymous and map_anonymous.
11954         * output.h (class Output_file): Update declarations.
11955
11956 2009-08-24  Cary Coutant  <ccoutant@google.com>
11957
11958         * options.h (Command_line::Pre_options): New class.
11959         (Command_line::pre_options): New member.
11960         * options.cc (gold::options::ready_to_register): New variable.
11961         (One_option::register_option): Do nothing if not registering options.
11962         Assert if same short option registered twice.
11963         (General_options::General_options): Turn off option registration when
11964         done constructing.
11965         (Command_line::Pre_options::Pre_options): New constructor.
11966
11967 2009-08-24  Cary Coutant  <ccoutant@google.com>
11968
11969         * options.h (General_options::no_keep_memory): Remove incorrect
11970         short option.
11971
11972 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11973
11974         * Makefile.am (am__skiplex, am__skipyacc): New.
11975         * Makefile.in: Regenerate.
11976
11977 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11978
11979         * Makefile.am (AM_CPPFLAGS): Renamed from ...
11980         (INCLUDES): ... this.
11981         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
11982         (AM_CPPFLAGS): Renamed from ...
11983         (INCLUDE): ... this.
11984         * Makefile.in, testsuite/Makefile.in: Regenerate.
11985
11986         * Makefile.in: Regenerate.
11987         * aclocal.m4: Likewise.
11988         * config.in: Likewise.
11989         * configure: Likewise.
11990         * testsuite/Makefile.in: Likewise.
11991
11992         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
11993         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
11994         * Makefile.in: Regenerate.
11995         * testsuite/Makefile.in: Regenerate.
11996
11997 2009-08-19  Cary Coutant  <ccoutant@google.com>
11998
11999         * resolve.cc (Symbol_table::resolve): Don't complain about defined
12000         symbols in shared libraries overridden by hidden or internal symbols
12001         in the main program.
12002
12003 2009-08-19  Chris Demetriou  <cgd@google.com>
12004
12005         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
12006         checking source file names in error messages.
12007
12008 2009-08-18  Doug Kwan  <dougkwan@google.com>
12009
12010         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
12011         an elcpp::Ehdr as parameter.  Adjust call to set_target.
12012         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
12013         an elfcpp::Ehdr as parameter.
12014         * object.cc (Object::set_target): Remove the version that looks up
12015         a target and sets it.
12016         (Sized_relobj::setup): Take a Target object instead of
12017         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
12018         (make_elf_sized_object): Find target and ask target to
12019         make an ELF object.
12020         * object.h: (Object::set_target): Remove the version that looks up
12021         a target and sets it.
12022         (Sized_relobj::setup): Take a Target object instead of
12023         an elfcpp:Ehdr as parameter.
12024         * target.cc: Include dynobj.h.
12025         (Target::do_make_elf_object_implementation): New.
12026         (Target::do_make_elf_object): New.
12027         * target.h (Target::make_elf_object): New template declaration.
12028         (Target::do_make_elf_object): New method declarations.
12029         (Target::do_make_elf_object_implementation): New template declaration.
12030
12031 2009-08-14  Ian Lance Taylor  <iant@google.com>
12032
12033         * gold.h (FUNCTION_NAME): Define.
12034         (gold_unreachable): Use FUNCTION_NAME.
12035
12036 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
12037
12038         * icf.cc (Icf::find_identical_sections): Issue a warning when a
12039         symbol in the --keep-unique list is not found.
12040
12041 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
12042
12043         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
12044         been maked as --keep-unique.
12045         (Icf::unfold_section): New function.
12046         * icf.h (Icf::unfold_section): New function.
12047         * options.h (General_options::keep_unique): New option.
12048         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
12049         * testsuite/Makefile.in: Regenerate.
12050         * testsuite/icf_keep_unique_test.sh: New file.
12051         * testsuite/icf_keep_unique_test.cc: New file.
12052
12053 2009-08-12  Cary Coutant  <ccoutant@google.com>
12054
12055         PR 10471
12056         * resolve.cc (Symbol_table::resolve): Check for references from
12057         dynamic objects to hidden and internal symbols.
12058         * testsuite/Makefile.am (hidden_test.sh): New test.
12059         * testsuite/Makefile.in: Regenerate.
12060         * testsuite/hidden_test.sh: New script.
12061         * testsuite/hidden_test_1.c: New test source.
12062         * testsuite/hidden_test_main.c: New test source.
12063
12064 2009-08-11  Doug Kwan  <dougkwan@google.com>
12065
12066         * arm.cc: Update comments.
12067         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
12068         segment to locate the .ARM.exidx section if present.
12069
12070 2009-08-09  Doug Kwan  <dougkwan@google.com>
12071
12072         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
12073         patch.
12074
12075 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
12076         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
12077         compiler warnings.
12078
12079 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
12080
12081         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
12082         valid tls_segment only for non-debug-section relocations.
12083         * testsuite/Makefile.am: Add gc_tls_test.
12084         * testsuite/Makefile.in: Regenerate.
12085         * testsuite/gc_tls_test.cc: New file.
12086         * testsuite/gc_tls_test.sh: New file.
12087
12088 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
12089
12090         * icf.cc: New file.
12091         * icf.h: New file.
12092         * Makefile.am (CCFILES): Add icf.cc.
12093         (HFILES): Add icf.h
12094         * Makefile.in: Regenerate.
12095         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
12096         * gc.h (gc_process_relocs): Populate lists used by icf to contain
12097         section, symbol and addend information for the relocs.
12098         * gold.cc (queue_middle_tasks): Call identical code folding.
12099         * gold.h: Add defines for multimap.
12100         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
12101         to the call of finalize_local_symbols.
12102         * main.cc (main): Create object of class Icf.
12103         * object.cc (Sized_relobj::do_layout): Allow this function to be
12104         called twice during icf.
12105         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
12106         to sections marked as identical by icf.
12107         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
12108         when available.
12109         (Sized_relobj::do_section_entsize): New function.
12110         * object.h (Object::section_entsize): New function.
12111         (Object::do_section_entsize): New pure virtual function.
12112         (Relobj::finalize_local_symbols): Add new parameter.
12113         (Relobj::do_section_entsize): New function.
12114         * options.h (General_options::icf): New option.
12115         (General_options::icf_iterations): New option.
12116         (General_options::print_icf_sections): New option.
12117         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
12118         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
12119         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
12120         icf.
12121         * symtab.cc (Symbol_table::is_section_folded): New function.
12122         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
12123         to sections marked as identical by icf.
12124         * symtab.h (Symbol_table::set_icf): New function.
12125         (Symbol_table::icf): New function.
12126         (Symbol_table::is_section_folded): New function.
12127         (Symbol_table::icf_): New data member.
12128         * target-reloc.h (relocate_section): Ignore sections folded by icf.
12129         * testsuite/Makefile.am: Add commands to build icf_test.
12130         * testsuite/Makefile.in: Regenerate.
12131         * testsuite/icf_test.sh: New file.
12132         * testsuite/icf_test.cc: New file.
12133
12134 2009-07-24  Chris Demetriou  <cgd@google.com>
12135
12136         * layout.cc (is_compressible_debug_section): Fix incorrect
12137         comment about compressed section names.
12138
12139 2009-07-20  Ian Lance Taylor  <ian@airs.com>
12140
12141         PR 10419
12142         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
12143
12144 2009-07-16  Ian Lance Taylor  <iant@google.com>
12145
12146         PR 10400
12147         * layout.h: #include <map>.
12148         (class Kept_section): Change from struct to class.  Add accessors
12149         and setters.  Add section size to Comdat_group mapping.  Change
12150         Comdat_group to std::map.  Add is_comdat_ field.  Add
12151         linkonce_size field in union.
12152         (class Layout): Update declaration of find_or_add_kept_section.
12153         Don't declare find_kept_object.
12154         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
12155         parameter.  Add object, shndx, is_comdat, and is_group_name
12156         parameters.  Change all callers.  Adjust for new Kept_section.
12157         (Layout::find_kept_object): Remove.
12158         * object.cc (Sized_relobj::include_section_group): Update use of
12159         Kept_section.  Rename secnum to shndx.  Only record
12160         Kept_comdat_section if sections are the same size.
12161         (Sized_relobj::include_linkonce_section): Update use of
12162         Kept_section.  Only record Kept_comdat_section if sections are the
12163         same size.  Set size of linkonce section.
12164         (Sized_relobj::map_to_kept_section): Update call to
12165         get_kept_comdat_section.
12166         * object.h (class Sized_relobj): Rename fields in
12167         Kept_comdat_section to drop trailing underscores; change object
12168         field to Relobj*.  Change Kept_comdat_section_table to store
12169         struct rather than pointer.
12170         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
12171         Add kept_object and kept_shndx parameters.  Change all callers.
12172         (Sized_relobj::get_kept_comdat_section): Change return type to
12173         bool.  Add kept_object and kept_shndx parameters.  Change all
12174         callers.
12175         * plugin.cc (Pluginobj::include_comdat_group): Update call to
12176         Layout::find_or_add_kept_section.
12177
12178 2009-07-09  Ian Lance Taylor  <iant@google.com>
12179
12180         * merge.cc (Object_merge_map::initialize_input_to_output_map):
12181         Reserve space in the hash table.
12182
12183 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
12184
12185         * fileread.cc (File_read::get_mtime): New method.
12186         * fileread.h (Timespec): New structure.
12187         (File_read::get_mtime): New method.
12188         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
12189         Renamed from timestamp_nsec.
12190         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
12191         Elf_Xword.
12192         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
12193         timestamp_nsec.
12194         (Incremental_inputs::report_archive): Save mtime; style fix.
12195         (Incremental_inputs::report_obejct): Save mtime; style fix.
12196         (Incremental_inputs::report_script): Save mtime; style fix.
12197         (Incremental_inputs::finalize_inputs): Style fix.
12198         (Incremental_inputs::finalize): Style fix.
12199         (Incremental_inputs::create_input_section_data): Store inputs
12200         mtime.
12201         * incremental.h (Incremental_inputs::report_script): Add mtime
12202         argument.
12203         (Incremental_inputs::Input_info::Input_info): Intialize only one
12204         union member.
12205         (Incremental_inputs::Input_info::archive): Move to nameless
12206         union.
12207         (Incremental_inputs::Input_info::obejct): Move to nameless union.
12208         (Incremental_inputs::Input_info::script): Move to nameless union.
12209         (Incremental_inputs::mtime): New field.
12210         * script.cc (read_input_script): Pass file mtime to
12211         Incremental_input.
12212         * script.h (Script_info::inputs): Style fix.
12213
12214 2009-07-01  Ian Lance Taylor  <ian@airs.com>
12215
12216         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
12217         instead of 32.
12218
12219 2009-06-24  Ian Lance Taylor  <iant@google.com>
12220
12221         PR 10156
12222         * layout.cc (Layout::choose_output_section): If we find an
12223         existing section, update the flags.
12224         (Layout::create_notes): New function, broken out of
12225         Layout::finalize.
12226         (Layout::finalize): Don't create note sections.
12227         (Layout::create_note): Don't crash if linker script discards
12228         section.
12229         (Layout::create_gold_note): Likewise.
12230         (Layout::create_build_id): Likewise.  Don't set
12231         after_input_sections on the section.
12232         (Layout::create_executable_stack_info): Remove target parameter.
12233         Change caller.
12234         * layout.h (class Layout): Declare create_notes.  Update
12235         declaration of create_executable_stack_info.
12236         * gold.cc (queue_middle_tasks): Call create_notes.
12237         * output.cc (Output_section::update_flags_for_input_section): Move
12238         here from output.h.  If SHF_ALLOC flag is newly set, mark address
12239         invalid.
12240         * output.h (Output_data::mark_address_invalid): New function.
12241         (class Output_section): Only declare, not define,
12242         update_flags_for_input_section.  Remove set_flags.
12243
12244 2009-06-24  Ian Lance Taylor  <iant@google.com>
12245
12246         * script-sections.cc (Output_section_definition::
12247         set_section_addresses): Rename shadowing local load_address to
12248         laddr.
12249
12250 2009-06-24  Ian Lance Taylor  <iant@google.com>
12251
12252         PR 10244
12253         * reloc.cc (relocate_sections): Skip empty relocation sections.
12254
12255 2009-06-23  Ian Lance Taylor  <iant@google.com>
12256
12257         PR 10156
12258         * layout.cc (Layout::create_note): Use choose_output_section
12259         rather than make_output_section.
12260
12261 2009-06-23  Ian Lance Taylor  <iant@google.com>
12262
12263         PR 10237
12264         * options.cc (General_options::parse_V): Set printed_version_.
12265         (General_options::General_options): Initialize printed_version_.
12266         * options.h (class General_options): Add printed_version_ field.
12267         * gold.cc (queue_initial_tasks): If there are no input files,
12268         don't give a fatal error if we printed the version information.
12269         (queue_middle_tasks): If using -r with a shared object, give a
12270         fatal error rather than an ordinary error.
12271
12272 2009-06-23  Ian Lance Taylor  <iant@google.com>
12273
12274         PR 10219
12275         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
12276         (Layout::make_output_section): Set have_stabstr_section_ if we see
12277         a .stab*str section.
12278         (Layout::finalize): Call link_stabs_sections.
12279         (Layout::link_stabs_sections): New file.
12280         * layout.h (class Layout): Add have_stabstr_section_ field.
12281         Declare link_stabs_sections.
12282
12283 2009-06-23  Doug Kwan  <dougkwan@google.com>
12284
12285         * Makefile.am (libgold_a_LIBADD): New.
12286         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
12287         * Makefile.in: Regenerate.
12288         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
12289         * configure: Regenerate.
12290         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
12291         * fileread.cc: Include sys/state.h
12292         * gold.h: Declare memmem and strndup if found missing.
12293         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
12294
12295 2009-06-23  Ian Lance Taylor  <iant@google.com>
12296
12297         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
12298         * configure: Rebuild.
12299
12300 2009-06-23  Ian Lance Taylor  <iant@google.com>
12301
12302         PR 10147
12303         * object.cc (Object::section_contents): Don't try to get a view if
12304         the section has length zero.
12305         (Object::handle_gnu_warning_section): If the section is empty, use
12306         the name of the section as the warning.
12307
12308 2009-06-23  Ian Lance Taylor  <iant@google.com>
12309
12310         PR 10133
12311         * stringpool.h (class Stringpool_template): Add optimize_ field.
12312         (Stringpool_template::set_optimize): New function.
12313         * stringpool.cc (Stringpool_template::Stringpool_template):
12314         Initialize optimize_ field.
12315         (Stringpool_template::set_string_offsets): Test local optimize
12316         fild rather than parameter.
12317         * layout.cc (Layout::Layout): Call set_optimize on the section
12318         name stringpool.
12319
12320 2009-06-22  Ian Lance Taylor  <iant@google.com>
12321
12322         PR 10030
12323         * yyscript.y: Parse TARGET.
12324         * script.cc (script_set_target): New function.
12325         * script-c.h (script_set_target): Declare.
12326         * options.cc (General_options::string_to_object_format): Rename
12327         from string_to_object_format in anonymous namespace.  Change
12328         callers.
12329         * options.h (class General_options): Declare
12330         string_to_object_format.
12331
12332 2009-06-22  Ian Lance Taylor  <iant@google.com>
12333
12334         * script-sections.cc (Script_sections::create_segments): Don't put
12335         program headers in a PT_LOAD segment if -n or -N.
12336
12337 2009-06-22  Ian Lance Taylor  <iant@google.com>
12338
12339         PR 10141
12340         * options.h (class General_options): Add -z lazy and -z now.  Sort
12341         -z options into alphabetical order.
12342         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
12343
12344 2009-06-21  Ian Lance Taylor  <iant@google.com>
12345
12346         * layout.cc (Layout::make_output_section): Call
12347         Target::new_output_section.
12348         (Layout::attach_allocated_section_to_segment): Put large section
12349         sections in a separate load segment with the large segment flag
12350         set.
12351         (Layout::segment_precedes): Sort large data segments after other
12352         load segments.
12353         (align_file_offset): New static function.
12354         (Layout::set_segment_offsets): Use align_file_offset.
12355         * output.h (class Output_section): Add is_small_section_ and
12356         is_large_section_ fields.
12357         (Output_section::is_small_section): New function.
12358         (Output_section::set_is_small_section):  New function.
12359         (Output_section::is_large_section): New function.
12360         (Output_section::set_is_large_section): New function.
12361         (Output_section::is_large_data_section): New function.
12362         (class Output_segment): Add is_large_data_segment_ field.
12363         (Output_segment::is_large_data_segment): New function.
12364         (Output_segment::set_is_large_data_segment): New function.
12365         * output.cc (Output_section::Output_section): Initialize new
12366         fields.
12367         (Output_segment::Output_segment): Likewise.
12368         (Output_segment::add_output_section): Add assertion that large
12369         data sections always go in large data segments.  Force small data
12370         sections to the end of the list of data sections.  Force small BSS
12371         sections to the start of the list of BSS sections.  For large BSS
12372         sections to the end of the list of BSS sections.
12373         * symtab.h (class Symbol): Declare is_common_shndx.
12374         (Symbol::is_defined): Check Symbol::is_common_shndx.
12375         (Symbol::is_common): Likewise.
12376         (class Symbol_table): Define enum Commons_section_type.  Update
12377         declarations.  Add small_commons_ and large_commons_ fields.
12378         * symtab.cc (Symbol::is_common_shndx): New function.
12379         (Symbol_table::Symbol_table): Initialize new fields.
12380         (Symbol_table::add_from_object): Put small and large common
12381         symbols in the right list.
12382         (Symbol_table::sized_finalized_symbol): Check
12383         Symbol::is_common_shndx.
12384         (Symbol_table::sized_write_globals): Likewise.
12385         * common.cc (Symbol_table::do_allocate_commons): Allocate new
12386         common symbol lists.  Don't call do_allocate_commons_list if the
12387         list is empty.
12388         (Symbol_table::do_allocate_commons_list): Remove is_tls
12389         parameter.  Add comons_section_type parameter.  Change all
12390         callers.  Handle small and large common symbols.
12391         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
12392         Symbol::is_common_shndx.
12393         * resolve.cc (symbol_to_bits): Likewise.
12394         * target.h (Target::small_common_shndx): New function.
12395         (Target::small_common_section_flags): New function.
12396         (Target::large_common_shndx): New function.
12397         (Target::large_common_section_flags): New function.
12398         (Target::new_output_section): New function.
12399         (Target::Target_info): Add small_common_shndx, large_common_shndx,
12400         small_common_section_flags, and large_common_section_flags
12401         fields.
12402         (Target::do_new_output_section): New virtual function.
12403         * arm.cc (Target_arm::arm_info): Initialize new fields.
12404         * i386.cc (Target_i386::i386_info): Likewise.
12405         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
12406         Likewise.
12407         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
12408         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12409         (Target_x86_64::do_new_output_section): New function.
12410         * configure.ac: Define conditional MCMODEL_MEDIUM.
12411         * testsuite/Makefile.am (check_PROGRAMS): Add large.
12412         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
12413         (large_LDFLAGS): Define.
12414         * testsuite/large.c: New file.
12415         * testsuite/testfile.cc (Target_test::test_target_info):
12416         Initialize new fields.
12417         * configure, testsuite/Makefile.in: Rebuild.
12418
12419 2009-06-05  Doug Kwan  <dougkwan@google.com>
12420
12421         * Makefile.am (CCFILES): Add target.cc.
12422         * Makefile.in: Regenerate.
12423         * i386.cc (class Target_i386): Define new virtual method to
12424         override do_is_local_label_name in parent.
12425         * object.cc (Sized_relobj::do_count_local_symbols): Discard
12426         local symbols if --discard-locals or -X is given.
12427         * options.h (class General_options): Declare new options
12428         '--discard-locals' and '-X' for discarding locals.
12429         * target.h (class Target): Define new methods is_local_label_name.
12430         Declare new virtual method do_is_local_label_name.
12431         * target.cc: New file.
12432         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
12433         (check_SCRIPTS): Add discard_locals_test.sh.
12434         (check_DATA): Add discard_local_tests.syms.
12435         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
12436         (discard_local_tests.syms, discard_locals_test.o): New make rules.
12437         * testsuite/Makefile.in: Regenerate.
12438         * testsuite/discard_locals_test.c: New file.
12439         * testsuite/discard_locals_test.sh: Same.
12440
12441 2009-06-05  Doug Kwan  <dougkwan@google.com>
12442
12443         * object.cc (Sized_relobj::Sized_relobj): Initialize
12444         discarded_eh_frame_shndx_ to -1U.
12445         (Sized_relobj::do_layout): Record index of a discard .eh_frame
12446         section.
12447         (Sized_relobj::do_count_local_symbols): Skip local symbols in
12448         a discarded .eh_frame section.
12449         (Sized_relobj::do_finalize_local_symbols): Ditto.
12450         * object.h (class Sized_relobj): Declare new member
12451         discarded_eh_frame_shndx_.
12452         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
12453         (local_labels_test.o, local_labels_test): New rules.
12454         * testsuite/Makefile.in: Regenerate.
12455
12456 2009-06-04  Doug Kwan  <dougkwan@google.com>
12457
12458         * layout.cc (Layout::section_name_mapping): Add mapping for
12459         special ARM sections.
12460
12461 2009-06-03  Doug Kwan  <dougkwan@google.com>
12462
12463         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
12464         (utils::has_overflow): Same.
12465
12466 2009-06-03  Ian Lance Taylor  <iant@google.com>
12467
12468         * layout.cc (Layout::section_name_mapping): New array, replacing
12469         Layout::linkonce_mapping.
12470         (Layout::section_name_mapping_count): New variable, replacing
12471         Layout::linkonce_mapping_count.
12472         (Layout::linkonce_output_name): Remove.
12473         (Layout::output_section_name): Rewrite.
12474         * layout.h (class Layout): Rename Linkonce_mapping to
12475         Section_name_mapping, linkonce_mapping to section_name_mapping,
12476         linkonce_mapping_count to section_name_mapping_count.  Don't
12477         declare linkonce_output_name.
12478
12479 2009-06-03  Doug Kwan  <dougkwan@google.com>
12480
12481         * gold/arm.cc (namespace utils): New.
12482         (Target_arm::reloc_is_non_pic): Define new method.
12483         (class Arm_relocate_functions): New.
12484         (Target_arm::Relocate::relocate): Handle relocation types used by
12485         Android.
12486
12487 2009-06-03  Ian Lance Taylor  <iant@google.com>
12488
12489         * arm.cc (Target_arm::scan::global): Use || instead of |.
12490
12491 2009-06-02  Doug Kwan  <dougkwan@google.com>
12492
12493         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
12494         issued_non_pic_error_.
12495         (class Target_arm::Scan): Declare new method check_non_pic.
12496         Define new method symbol_needs_plt_entry.
12497         Declare new data member issued_non_pic_error_.
12498         (class Target_arm::Relocate): Declare new method
12499         should_apply_static_reloc.
12500         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
12501         (Target_arm::Scan::check_non_pic): Define new method.
12502         (Target_arm::Scan::local): Handle a small subset of reloc types used
12503         by Android.
12504         (Target_arm::Scan::local): Same.
12505         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
12506
12507 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
12508
12509         * incremental.cc (Incremental_inputs::report_command_line): Filter
12510         out --incremental-* options.
12511
12512 2009-05-29  Doug Kwan  <dougkwan@google.com>
12513
12514         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
12515         template class.
12516         (class Target_arm): Update comment.
12517         (Target_arm::Target_arm): Initialize new data members GOT_,
12518         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
12519         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
12520         and Target_arm::rel_dyn_section.
12521         Declare new_enum Target_arm::Got_type.
12522         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
12523         and DYNBSS_.
12524         Update commments for member do_dynsym_value.
12525         (Target_arm::got_size, Target_arm::plt_section,
12526         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
12527         new methods inside class defintion.
12528         (Target_arm::got_section): Define new method.
12529         (Target_arm::rel_dyn_section): Same.
12530         (Output_data_plt_arm): New template class.
12531         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
12532         (Output_data_plt_arm:do_adjust_output_section): Define new method.
12533         (Output_data_plt_arm::add_entry): Same.
12534         (Output_data_plt_arm::first_plt_entry): Define new
12535         static data member for PLT instruction template.
12536         (Output_data_plt_arm::plt_entry): Same.
12537         (Output_data_plt_arm::do_write): Define new method.
12538         (Target_arm::make_plt_entry): Same.
12539         (Target_arm::do_finalize_sections): Same.
12540         (Target_arm::do_dynsym_value): Same.
12541
12542 2009-05-28  Doug Kwan  <dougkwan@google.com>
12543
12544         * Makefile.am (TARGETSOURCES): Add arm.cc.
12545         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
12546         * Makefile.in: Regenerate.
12547         * arm.cc: New file.
12548         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
12549
12550 2009-05-26  Doug Kwan  <dougkwan@google.com>
12551
12552         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
12553         (General_options::check_excluded_libs): Strip off directories in
12554         archive name before matching like GNU ld does.
12555         * testsuite/Makefile.am (MOSTLYCLEANFILES,
12556         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
12557         (exclude_libs_test_LDFLAGS): Add linker option
12558         -Wl,--exclude-libs,libexclude_libs_test_3
12559         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
12560         an explicit archive without using -l.
12561         (alt/libexclude_libs_test_3.a): New make rule.
12562         * testsuite/Makefile.in: Regenerate.
12563         * testsuite/exclude_libs_test.c : Declare lib3_default().
12564         (main): Call it.
12565         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
12566         * exclude_libs_test_3.c: New file.
12567
12568 2009-05-26  Nick Clifton  <nickc@redhat.com>
12569
12570         * po/id.po: New Indonesian translation.
12571         * po/gold.pot: Updated template file.
12572
12573 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
12574
12575         * testsuite/Makefile.am: Add -ffunction-sections to compile
12576         gc_comdat_test files.  Add -Wl,--gc-sections to build
12577         gc_comdat_test.
12578         * testsuite/Makefile.in: Regenerate.
12579         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
12580
12581 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
12582
12583         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
12584         kept comdat section was garbage collected.
12585         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
12586         * testsuite/Makefile.in: Regenerate.
12587         * testsuite/gc_comdat_test.sh: New file.
12588         * testsuite/gc_comdat_test_1.cc: New file.
12589         * testsuite/gc_comdat_test_2.cc: New file.
12590
12591 2009-05-19  Doug Kwan  <dougkwan@google.com>
12592
12593         * archive.cc (Archive::Archive): Move constructor from archive.h
12594         to here.  Initialize no_export_.
12595         (Archive::get_elf_object_for_member): Set no_export flag of object.
12596         * archive.h (Archive::Archive): Move constructor body to
12597         archive.cc.
12598         (Archive::no_export): New method.
12599         (Archive::no_export_): New field.
12600         * object.h (Object::Object): Initialize no_export_ to false.
12601         (Object::no_export, Object::set_no_export): New methods.
12602         (Object::no_export_): New field.
12603         * options.cc (General_options::parse_exclude_libs): New method.
12604         (General_options::check_excluded_libs) Same.
12605         * options.h (exclude_libs): New option.
12606         (General_options::check_excluded_libs): New method declaration.
12607         (General_options::excluded_libs_): New field.
12608         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
12609         default or protected visibility if an object has no-export flag set.
12610         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
12611         (check_SCRIPTS): Add exclude_libs_test.sh.
12612         (check_DATA): Add exclude_libs_test.syms.
12613         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
12614         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
12615         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
12616         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
12617         (exclude_libs_test.syms, libexclude_libs_test_1.a,
12618         libexclude_libs_test_2.a): New rules.
12619         * testsuite/Makefile.in: Regenerate.
12620         * testsuite/exclude_libs_test.c: New file.
12621         * testsuite/exclude_libs_test.sh: Ditto.
12622         * testsuite/exclude_libs_test_1.c: Ditto.
12623         * testsuite/exclude_libs_test_2.c: Ditto.
12624
12625 2009-05-15  Ian Lance Taylor  <iant@google.com>
12626
12627         * configure.ac: Check for declarations for cases where libiberty.h
12628         checks HAVE_DECL_xxx.
12629         * configure, config.in: Rebuild.
12630
12631 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
12632
12633         * gold.h (Incremental_argument_list): Remove (invalid) forward
12634         declaration.
12635         * incremental.cc (Incremental_inputs::report_achive): New method.
12636         (Incremental_inputs::report_object): New method.
12637         (Incremental_inputs::report_script): New method.
12638         (Incremental_inputs::finalize_inputs): New method.
12639         (Incremental_inputs::finalize): Call finalize_inputs().
12640         (Incremental_inputs::sized_create_incremental_inputs_section_data):
12641         Create inputs entries.
12642         * incremental.h (Incremental_input_type): New enum.
12643         (Incremental_inputs::Incremental_input): Initialize new fields.
12644         (Incremental_inputs::report_inputs): New method.
12645         (Incremental_inputs::report_achive): New method.
12646         (Incremental_inputs::report_object): New method.
12647         (Incremental_inputs::report_script): New method.
12648         (Incremental_inputs::finalize_inputs): New method.
12649         (Incremental_inputs::Input_info): New struct.
12650         (Incremental_inputs::Input_info_map): New typedef.
12651         (Incremental_inputs::lock_): New field.
12652         (Incremental_inputs::Inputs_): New field.
12653         (Incremental_inputs::Inputs_map): New field.
12654         * main.cc (main): Call Incremental_input::report_inputs.
12655         * options.h (Input_argument_list): Typedef moved from
12656         Input_arguments.
12657         (Input_file_group::Files): Remove, use ::Input_argument_list.
12658         (Input_file_group::Input_argument_list): Remove, use
12659         ::Input_argument_list.
12660         * plugin.cc (Plugin_manager::add_input_file): Add error in
12661         incremental build.
12662         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
12663         functions.
12664         * script.cc (read_input_script): Call
12665         Incremental_input::report_script.
12666         * script.h (Script_info): New class.
12667
12668 2009-04-27  Ian Lance Taylor  <iant@google.com>
12669
12670         * x86_64.cc (do_adjust_output_section): Set entsize to
12671         plt_entry_size.
12672
12673 2009-04-23  Elliott Hughes  <enh@google.com>
12674
12675         * output.cc (Output_file::close): After short writes, continue
12676         writing from the correct offset in the buffer being written.
12677
12678 2009-04-23  Chris Demetriou  <cgd@google.com>
12679
12680         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
12681         * configure: Regenerate.
12682         * config.in: Regenerate.
12683         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
12684         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
12685
12686 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
12687
12688         * incremental.cc (Incremental_inputs_header_data): Renamed from
12689         Incremental_input_header_data.
12690         (Incremental_inputs_header_data::data_size): New field.
12691         (Incremental_inputs_header_data::put_input_file_count): Renamed
12692         from input_file_count.
12693         (Incremental_inputs_header_data::put_command_line_offset): Renamed
12694         from command_line_offset.
12695         (Incremental_inputs_header_data::put_reserved): Renamed from
12696         put_reserved.
12697         (Incremental_inputs_entry_data): Renamed from
12698         Incremental_input_entry_data.
12699         (Incremental_inputs_entry_data::data_size): New field.
12700         (Incremental_inputs::report_command_line): New method.
12701         (Incremental_inputs::finalize): New method.
12702         (Incremental_inputs::create_incremental_inputs_data): New method.
12703         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
12704         * incremental.h: New file.
12705         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
12706         (Layout::finalize): Create incremental inputs section in
12707         incremental builds.
12708         (Layout::create_incremental_info_sections): New method.
12709         * layout.h (Layout::incremental_inputs): New method.
12710         (Layout::create_incremental_info_sections): New method.
12711         (Layout::incremental_inputs_): New field.
12712         * main.cc (main): Notify Incremental_input of the command line.
12713
12714 2009-04-01  Ian Lance Taylor  <iant@google.com>
12715             Mikolaj Zalewski  <mikolajz@google.com>
12716
12717         * gold.h (reserve_unordered_map): Define, three versions, one for
12718         each version of Unordered_map.
12719         * layout.cc (Layout::Layout): Remove options parameter.  Add
12720         number_of_input_files parameter.  Don't initialize options_.
12721         Initialize number_of_input_files_ and resized_signatures_.  Move
12722         sections_are_attached_.
12723         (Layout::layout_group): Reserve space for group_signatures_.
12724         (Layout::find_or_add_kept_section): Change name parameter to be a
12725         reference.  Resize signatures_ map when it gets large enough.
12726         (Layout::layout_eh_frame): Use parameters->options() instead of
12727         this->options_.
12728         (Layout::make_output_section): Likewise.
12729         (Layout::attach_allocated_section_to_segment): Likewise.
12730         (Layout::finalize, Layout::create_executable_stack): Likewise.
12731         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
12732         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
12733         * layout.h (class Layout): Update declarations.  Remove options_
12734         field.  Add number_of_input_files_ and resized_signatures_
12735         fields.  Move sections_are_attached_ field.
12736         * main.cc (main): Pass number of input files to Layout
12737         constructor.  Don't pass options.
12738
12739 2009-03-30  Ian Lance Taylor  <iant@google.com>
12740
12741         * ffsll.c (ffsll): Correct implementation.
12742
12743 2009-03-27  Ian Lance Taylor  <iant@google.com>
12744
12745         * ffsll.c: New file.
12746         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
12747         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
12748         * ftruncate.c (ftruncate): Declare before definition.
12749         * mremap.c (mremap): Likewise.
12750         * pread.c (pread): Likewise.
12751         * configure, Makefile.in, config.in: Rebuild.
12752
12753         * mremap.c: New file.
12754         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
12755         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
12756         (mremap): Declare if HAVE_MREMAP is not defined.
12757         * configure, Makefile.in, config.in: Rebuild.
12758
12759 2009-03-27  Cary Coutant  <ccoutant@google.com>
12760
12761         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
12762         position independent.
12763         * sparc.cc (Target_sparc::check_non_pic): Likewise.
12764         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
12765
12766 2009-03-24  Cary Coutant  <ccoutant@google.com>
12767
12768         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
12769         an executable.
12770         (needs_dynamic_reloc): Likewise.
12771
12772 2009-03-24  Ian Lance Taylor  <iant@google.com>
12773
12774         * yyscript.y (file_cmd): Recognize EXTERN.
12775         (extern_name_list, extern_name_list_body): New nonterminals.
12776         * script.cc (script_add_extern): Define.
12777         * script-c.h (script_add_extern): Declare.
12778
12779 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
12780
12781         * object.cc (is_elf_object): Define.
12782         * object.h (is_elf_object): Declare.
12783         * archive.cc (Archive::get_elf_object_for_member): Call
12784         is_elf_object.
12785         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
12786
12787 2009-03-24  Elliott Hughes  <enh@google.com>
12788
12789         * output.cc (Output_file::map_anonymous): Define.
12790         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
12791         try an anonymous one.  Report the size if the mmap fails.
12792         * output.h (class Output_file): Declare map_anonymous.
12793
12794 2009-03-24  Ian Lance Taylor  <iant@google.com>
12795
12796         * target-select.cc (instantiate_target): Don't acquire the lock if
12797         the instantiated_target_ field has already been set.
12798
12799 2009-03-23  Ian Lance Taylor  <iant@google.com>
12800
12801         * gold-threads.h (class Initialize_lock): Define.
12802         * gold-threads.cc (class Initialize_lock_once): Define.
12803         (initialize_lock_control): New static variable.
12804         (initialize_lock_pointer): New static variable.
12805         (initialize_lock_once): New static function.
12806         (Initialize_lock::Initialize_lock): Define.
12807         (Initialize_lock::initialize): Define.
12808         * target-select.h: Include "gold-threads.h".
12809         (class Target_selector): Add lock_ and initialize_lock_ fields.
12810         Don't define instantiate_target, just declare it.
12811         * target-select.cc (Target_selector::Target_selector): Initialize
12812         new fields.
12813         (Target_selector::instantiate_target): Define.
12814         * descriptors.h: Include "gold-threads.h".
12815         (class Descriptors): Add initialize_lock_ field.
12816         * descriptors.cc (Descriptors::Descriptors): Initialize new
12817         field.
12818         (Descriptors::open): Use initialize_lock_ field
12819         * errors.h (class Errors): Add initialize_lock_ field.
12820         * errors.cc (Errors::Errors): Initialize new field.
12821         (Errors::initialize_lock): Use initialize_lock_ field.
12822         * powerpc.cc (class Target_selector_powerpc): Remove
12823         instantiated_target_ field.  In do_recognize call
12824         instantiate_target rather than do_instantiate_target.  In
12825         do_instantiate_target just allocate a new target.
12826         * sparc.cc (class Target_selector_sparc): Likewise.
12827
12828         * freebsd.h: New file.
12829         * i386.cc: Include "freebsd.h".
12830         (Target_i386): Derive from Target_freebsd rather than
12831         Sized_target.
12832         (Target_selector_i386): Derive from Target_selector_freebsd rather
12833         than Target_selector.
12834         * x86_64.cc: Include "freebsd.h".
12835         (Target_x86_64): Derive from Target_freebsd rather than
12836         Sized_target.
12837         (Target_selector_x86_64): Derive from Target_selector_freebsd
12838         rather than Target_selector.
12839         * target.h (class Target): Add adjust_elf_header and
12840         do_adjust_elf_header.
12841         * output.cc (Output_file_header:: do_sized_write): Call target
12842         adjust_elf_header routine.
12843         * configure.tgt: Set targ_osabi.
12844         * configure.ac: Define GOLD_DEFAULT_OSABI.
12845         * parameters.cc (Parameters::default_target): Pass
12846         GOLD_DEFAULT_OSABI to select_target.
12847         * target-select.h (class Target_selector): Make instantiate_target
12848         protected rather than private.
12849         * Makefile.am (HFILES): Add freebsd.h.
12850         * configure, Makefile.in, config.in: Rebuild.
12851
12852         * merge.cc (do_add_input_section): Correct pend value.  Change
12853         message about last entry not being null terminated from error to
12854         warning.
12855
12856 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
12857
12858         * incremental.cc: New file.
12859         * Makefile.am (CCFILES): Add incremental.cc.
12860         * Makefile.in: Rebuild.
12861
12862 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
12863
12864         * layout.cc (Layout::output_section_name): Preserve names
12865         of '.note.' sections.
12866
12867 2009-03-19  Ian Lance Taylor  <iant@google.com>
12868
12869         * descriptors.cc (Descriptors::open): Check that the options are
12870         valid before using them.
12871
12872 2009-03-18  Ian Lance Taylor  <iant@google.com>
12873
12874         * script-sections.h: Include <list>.
12875         (class Script_sections): Change Sections_elements from std::vector
12876         to std::list.  Typedef public Elements_iterator.  Add
12877         orphan_section_placement_, data_segment_align_start_, and
12878         saw_data_segment_align_ fields.  Remove data_segment_align_index_
12879         field.
12880         * script-sections.cc (class Orphan_section_placement): New class.
12881         (class Sections_element): Add virtual functions is_relro and
12882         orphan_section_init.  Remove virtual function place_orphan_here.
12883         (class Output_section_definition): Add is_relro and
12884         orphan_section_init.  Remove place_orphan_here.
12885         (class Orphan_output_section): Likewise.
12886         (Script_sections::Script_sections): Update for field changes.
12887         (Script_sections::data_segment_align): Set saw_data_segment_align_
12888         and data_segment_align_start_, not data_segment_align_index.
12889         (Script_sections::data_segment_relro_end): Check
12890         saw_data_segment_align_.  Use data_segment_align_start_ rather
12891         than data_segment_align_index_.
12892         (Script_sections::place_orphan): Rewrite to use
12893         Orphan_section_placement.
12894
12895 2009-03-17  Ian Lance Taylor  <iant@google.com>
12896
12897         * archive.cc (Archive::add_symbols): Check for a version attached
12898         to the symbol name in the archive map.
12899         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
12900         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
12901         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
12902         (ver_test_11.a): New target.
12903         * testsuite/Makefile.in: Rebuild.
12904
12905         * configure.ac: Check for chsize and posix_fallocate.  Replace
12906         ftruncate.
12907         * ftruncate.c: New file, from gnulib.
12908         * output.cc (posix_fallocate): Define dummy version if not
12909         HAVE_POSIX_FALLOCATE.
12910         (Output_file::map): Call posix_fallocate rather than lseek and
12911         write.
12912         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
12913         * configure, Makefile.in, config.in: Rebuild.
12914
12915 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
12916
12917         * layout.h (Layout::create_note): Add section_name parameter.
12918         * layout.cc (Layout::create_note): Likewise.
12919         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
12920
12921 2009-03-17  Ian Lance Taylor  <iant@google.com>
12922
12923         * descriptors.cc: Include "options.h".
12924         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
12925         (Descriptors::open): Always use O_CLOEXEC when opening a new
12926         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
12927         then set FD_CLOEXEC.
12928
12929         * sparc.cc (class Target_sparc): Add has_got_section.
12930         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
12931         make sure we have a GOT section.
12932
12933         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
12934         (Target_sparc::Scan::local): Likewise.
12935         (Target_sparc::Scan::global): Likewise.
12936         (Target_sparc::Relocate::relocate): Likewise.
12937         (Target_sparc::Relocate::relocate_tls): Likewise.
12938
12939         * symtab.cc (Symbol_table::define_default_version): New function,
12940         broken out of add_from_object.
12941         (Symbol_table::add_from_object): Call define_default_version.
12942         (Symbol_table::define_special_symbol): Add resolve_oldsym
12943         parameter.  Change all callers.  If the version for a symbol comes
12944         from a version script, resolve it with the symbol with the same
12945         name with no version.  Also add the symbol without a version if
12946         appropriate.
12947         (do_define_in_output_data): If resolving with oldsym, don't delete
12948         sym.
12949         (do_define_in_output_segment): Likewise.
12950         (do_define_as_constant): Likewise.
12951         * symtab.h (class Symbol_table): Update declarations.
12952
12953 2009-03-13  Ian Lance Taylor  <iant@google.com>
12954
12955         * readsyms.cc (Read_symbols::incompatible_warning): New function.
12956         (Read_symbols::requeue): New function.
12957         (Read_symbols::do_read_symbols): If make_elf_object fails because
12958         the target type is not configured, and the file was searched for,
12959         issue a warning and retry with the next directory.
12960         (Add_symbols::run): If the file has an incompatible format, and
12961         it was searched for, requeue the Read_symbols task.  On error,
12962         release the object.
12963         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
12964         dirindex parameter to constructor.  Change all callers.  Declare
12965         incompatible_warning and requeue.
12966         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
12967         input_argument_ and input_group_ fields.  Add them to
12968         constructor.  Change all callers.
12969         (class Read_script): Add dirindex_ field.  Add it to constructor.
12970         Change all callers.
12971         * archive.cc (Archive::setup): Remove input_objects parameter.
12972         Change all callers.
12973         (Archive::get_file_and_offset): Likewise.
12974         (Archive::read_all_symbols): Likewise.
12975         (Archive::read_symbols): Likewise.
12976         (Archive::get_elf_object_for_member): Remove input_objects
12977         parameter.  Add punconfigured parameter.  Change all callers.
12978         (Archive::add_symbols): Change return type to bool.  Check return
12979         value of include_member.
12980         (Archive::include_all_members): Likewise.
12981         (Archive::include_member): Change return type to bool.  Return
12982         false if first included object has incompatible target.  Set
12983         included_member_ field.
12984         (Add_archive_symbols::run): If add_symbols returns false, requeue
12985         Read_symbols task.
12986         * archive.h (class Archive): Add included_member_ field.
12987         Initialize it in constructor.  Add input_file and searched_for
12988         methods.  Update declarations.
12989         (class Add_archive_symbols): Add dirpath_, dirindex_, and
12990         input_argument_ fields.  Add them to constructor.  Change all
12991         callers.
12992         * script.cc: Include "target-select.h".
12993         (class Parser_closure): Add skip_on_incompatible_target_ and
12994         found_incompatible_target_ fields.  Add
12995         skip_on_incompatible_target parameter to constructor.  Change all
12996         callers.  Add methods skip_on_incompatible_target,
12997         clear_skip_on_incompatible_target, found_incompatible_target, and
12998         set_found_incompatible_target.
12999         (read_input_script): Add dirindex parameter.  Change all callers.
13000         If parser finds an incompatible target, requeue Read_symbols
13001         task.
13002         (script_set_symbol): Clear skip_on_incompatible_target in
13003         closure.
13004         (script_add_assertion, script_parse_option): Likewise.
13005         (script_start_sections, script_add_phdr): Likewise.
13006         (script_check_output_format): New function.
13007         * script.h (read_input_script): Update declaration.
13008         * script-c.h (script_check_output_format): Declare.
13009         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
13010         (ignore_cmd): Remove OUTPUT_FORMAT.
13011         * fileread.cc (Input_file::Input_file): Add explicit this.
13012         (Input_file::will_search_for): New function.
13013         (Input_file::open): Add pindex parameter.  Change all callers.
13014         * fileread.h (class Input_file): Add input_file_argument method.
13015         Declare will_search_for.  Update declarations.
13016         * object.cc (make_elf_object): Add punconfigured parameter.
13017         Change all callers.
13018         * object.h (class Object): Make input_file public.  Add
13019         searched_for method.
13020         (make_elf_object): Update declaration.
13021         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
13022         restart search.
13023         * dirsearch.h (class Dirsearch): Update declaration.
13024         * options.h (class General_options): Add --warn-search-mismatch.
13025         * parameters.cc (Parameters::is_compatible_target): New function.
13026         * parameters.h (class Parameters): Declare is_compatible_target.
13027         * workqueue.cc (Workqueue::add_blocker): New function.
13028         * workqueue.h (class Workqueue): Declare add_blocker.
13029
13030         * fileread.cc (Input_file::open): Remove options parameter.
13031         Change all callers.
13032         (Input_file::open_binary): Likewise.
13033         * script.cc (read_input_script): Likewise.
13034         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
13035         options parameter from constructor.  Change all callers.
13036         (class Read_script): Likewise.
13037         * fileread.h (class Input_file): Update declarations.
13038         * script.h (read_input_script): Update declaration.
13039
13040 2009-03-10  Nick Clifton  <nickc@redhat.com>
13041
13042         * po/es.po: New Spanish translation.
13043
13044 2009-03-06  Cary Coutant  <ccoutant@google.com>
13045
13046         * options.cc (parse_short_option): Keep dash_z from registering itself.
13047
13048 2009-03-03  Ian Lance Taylor  <iant@google.com>
13049
13050         PR 9918
13051         * target-reloc.h (relocate_section): Pass output_section to
13052         relocate.
13053         * i386.cc (Target_i386::should_apply_static_reloc): Add
13054         output_section parameter.  Change all callers.
13055         (Target_i386::Relocate::relocate): Add output_section parameter.
13056         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
13057         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
13058         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
13059         * testsuite/two_file_shared.sh: New script.
13060         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
13061         (check_DATA): Add two_file_shared.dbg.
13062         (two_file_shared.dbg): New target.
13063         * testsuite/Makefile.in: Rebuild.
13064
13065 2009-03-01  Ian Lance Taylor  <iant@google.com>
13066
13067         * configure.ac: Check for byteswap.h.
13068         * configure: Rebuild.
13069         * config.in: Rebuild.
13070
13071 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
13072
13073         * layout.cc (Layout::find_or_add_kept_section): New function.
13074         (Layout::add_comdat): Removed.
13075         * layout.h (struct Kept_section): Move out of class Layout.
13076         Remove trailing underscores from field names.  Add group_sections
13077         field.  Rename group_ field to is_group.  Change all uses.
13078         (class Layout): Declare find_or_add_kept_section, not add_comdat.
13079         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
13080         comdat_groups_ field.
13081         (Sized_relobj::include_section_group): Use
13082         find_or_add_kept_section and Kept_section::group_sections.
13083         (Sized_relobj::include_linkonce_section): Likewise.
13084         * object.cc (class Sized_relobj): Don't define Comdat_group or
13085         Comdat_group_table.  Remove find_comdat_group and
13086         add_comdat_group.  Remove comdat_groups_ field.
13087         * plugin.cc (include_comdat_group): Use
13088         Layout::find_or_add_kept_section.
13089
13090 2009-02-28  Ian Lance Taylor  <iant@google.com>
13091
13092         * README: --gc-sections and map files are now supported.  Document
13093         some build requirements.
13094
13095         PR 6992
13096         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
13097         relocatable link set the value of the section symbol to zero.
13098         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
13099         relocatable link don't include the section address in the local
13100         symbol value.
13101
13102 2009-02-27  Ian Lance Taylor  <iant@google.com>
13103
13104         PR 6811
13105         * options.h (class Search_directory): Add is_system_directory.
13106         (class General_options): Declare is_in_system_directory.
13107         * options.cc (get_relative_sysroot): Make static.
13108         (get_default_sysroot): Make static.
13109         (General_optoins::is_in_system_directory): New function.
13110         * fileread.cc (Input_file::is_in_system_directory): New function.
13111         * fileread.h (class Input_file): Declare is_in_system_directory.
13112         * object.h (class Object): Add is_in_system_directory.
13113         (class Input_objects): Remove system_library_directory_ field.
13114         * object.cc (Input_objects::add_object): Don't set
13115         system_library_directory_.
13116         (input_objects::found_in_system_library_directory): Remove.
13117         * symtab.cc (Symbol_table::write_globals): Remove input_objects
13118         parameter.  Change all callers.
13119         (Symbol_table::sized_write_globals): Likewise.
13120         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
13121         Call Object::is_in_system_directory.
13122         * symtab.h (class Symbol_table): Update declarations.
13123
13124         PR 5990
13125         * descriptors.h (Open_descriptor): Add is_on_stack field.
13126         * descriptors.cc (Descriptors::open): If the descriptor is on the
13127         top of the stack, remove it.  Initialize is_on_stack field.
13128         (Descriptors::release): Only add pod to stack if it is not on the
13129         stack already.
13130         (Descriptors::close_some_descriptor): Clear stack_next and
13131         is_on_stack fields.
13132
13133         PR 7091
13134         * output.cc (Output_section::find_starting_output_address): Rename
13135         from starting_output_address; add PADDR parameter; change return
13136         type.
13137         * output.h (class Output_section): Declare
13138         find_starting_output_address instead of starting_output_address.
13139         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
13140         section symbol for which we can't find a merge section.
13141
13142         PR 9836
13143         * symtab.cc (Symbol_table::add_from_object): If the visibility is
13144         hidden or internal, force the symbol to be local.
13145         * resolve.cc (Symbol::override_visibility): Define.
13146         (Symbol::override_base): Use override_visibility.
13147         (Symbol_table::resolve): Likewise.
13148         (Symbol::override_base_with_special): Likewise.
13149         (Symbol_table::override_with_special): If the visibility is hidden
13150         or internal, force the symbol to be local.
13151         * symtab.h (class Symbol): Add set_visibility and
13152         override_visibility.
13153         * testsuite/ver_test_1.sh: New file.
13154         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
13155         (check_DATA): Add ver_test_1.syms.
13156         (ver_test_1.syms): New target.
13157         * testsuite/Makefile.in: Rebuild.
13158
13159 2009-02-25  Cary Coutant  <ccoutant@google.com>
13160
13161         * layout.cc (Layout::choose_output_section): Don't rename sections
13162         when using a linker script that has a SECTIONS clause.
13163         * Makefile.in: Regenerate.
13164
13165         * testsuite/Makefile.am (script_test_5.sh): New test case.
13166         * testsuite/Makefile.in: Regenerate.
13167         * testsuite/script_test_5.cc: New file.
13168         * testsuite/script_test_5.sh: New file.
13169         * testsuite/script_test_5.t: New file.
13170
13171 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
13172
13173         * archive.cc (Archive::include_member): Update calls to add_symbols.
13174         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
13175         the Layout argument.
13176         * dynobj.h (do_add_symbols): Add the Layout argument.
13177         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
13178         Layout argument.
13179         * object.h (Object::add_symbols): Add the Layout argument.
13180         (Object::do_add_symbols): Add the Layout argument.
13181         (Sized_relobj::do_add_symbols): Add the Layout argument.
13182         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
13183         Unify the two versions.
13184         (Add_plugin_symbols): Remove.
13185         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
13186         (Sized_pluginobj::do_add_symbols): Unify the two versions.
13187         (Add_plugin_symbols): Remove.
13188         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
13189         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
13190         (Add_symbols::run): Make it work with Pulginobj.
13191
13192 2009-02-06  Ian Lance Taylor  <iant@google.com>
13193
13194         * object.cc (Sized_relobj::do_layout): Make info message start
13195         with lower case letter.
13196
13197 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
13198
13199         * binary.cc: Fix file comment.
13200
13201         * options.h (enum Incremental_disposition): Define.
13202         (class General_options): Add new options: --incremental,
13203         --incremental_changed, --incremental_unchanged,
13204         --incremental_unknown.  Add incremental_disposition_ and
13205         implicit_incremental_ fields.
13206         (General_options::incremental_disposition): New function.
13207         (class Position_dependent_options): Add incremental_disposition
13208         option.
13209         (Position_dependent_options::copy_from_options): Set incremental
13210         dispositions.
13211         * options.cc (General_options::parse_incremental_changed): New
13212         function.
13213         (General_options::parse_incremental_unchanged): New function.
13214         (General_options::parse_incremental_unknown): New function.
13215         (General_options::General_options): Initialize new fields
13216         incremental_disposition_ and implicit_incremental_.
13217         (General_options::finalize): Check for uasge of --incremental-*
13218         without --incremental.
13219
13220 2009-02-06  Chris Demetriou  <cgd@google.com>
13221
13222         * gold.h (gold_undefined_symbol): Change to take only a Symbol
13223         pointer and to report location as the file name associated with
13224         the symbol.
13225         (gold_undefined_symbol_at_location): New function to replace the
13226         old gold_undefined_symbol functionality.
13227         * target-reloc.h (relocate_section): Update to use
13228         gold_undefined_symbol_at_location.
13229         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
13230         Call gold_undefined_symbol function rather than gold_error.
13231         * errors.h (Errors::undefined_symbol): Take location as a
13232         string, rather than calculating it from a relocation.
13233         * errors.cc (Errors::fatal): Print "fatal error:" before the
13234         formatted message.
13235         (Errors::error, Errors::error_at_location): Print "error: "
13236         before the formatted message.
13237         (Errors::undefined_symbol): Take location as a string, rather
13238         than calculating it from a relocation.
13239         (gold_undefined_symbol_at_location): New function akin to
13240         old gold_undefined_symbol, calculates location from relocation.
13241         (gold_undefined_symbol): Change to take only a Symbol pointer
13242         and to report location as the file name associated with the symbol.
13243         * testsuite/debug_msg.sh: Update for changed error messages.
13244         * testsuite/undef_symbol.sh: Likewise.
13245
13246 2009-02-04  Duncan Sands  <baldrick@free.fr>
13247
13248         PR 9812
13249         * reduced_debug_output.h
13250         (Output_reduced_debug_abbrev_section::failed): Use format for
13251         gold_warning.
13252         (Output_reduced_debug_info_section::faild): Likewise.
13253
13254 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
13255
13256         * script.cc (Lazy_demangler): New class.
13257         (Version_script_info::get_symbol_version_helper): Demangle a
13258         symbol only once.
13259
13260 2009-01-29  Cary Coutant  <ccoutant@google.com>
13261
13262         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
13263         to __tls_get_addr.
13264         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
13265
13266 2009-01-28  Ian Lance Taylor  <iant@google.com>
13267
13268         * version.cc (version_string): Bump to 1.9.
13269
13270         * gold.h: Include <cstring> and <stdint.h>.
13271         * version.cc: Include <cstdio>.
13272         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
13273         warning.
13274         * reduced_debug_output.cc (insert_into_vector): Rename from
13275         Insert_into_vector; change all callers.  Use Swap_unaligned to
13276         avoid aliasing issue; remove union since it is unnecessary.
13277
13278 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
13279
13280         * Makefile.am (CCFILES): Add gc.cc.
13281         (HFILES): Add gc.h.
13282         * Makefile.in: Regenerate.
13283         * gold.cc (Gc_runner): New class.
13284         (queue_initial_tasks): Call garbage collection related tasks
13285         when corresponding options are invoked.
13286         (queue_middle_gc_tasks): New function.
13287         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
13288         processed early before laying out sections during garbage collection.
13289         * gold.h (queue_middle_gc_tasks): New function.
13290         (is_prefix_of): Move from "layout.cc".
13291         * i386.cc (Target_i386::gc_process_relocs): New function.
13292         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
13293         * main.cc (main): Create object of class "Garbage_collection".
13294         * object.cc (Relobj::copy_symbols_data): New function.
13295         (Relobj::is_section_name_included): New function.
13296         (Sized_relobj::do_layout): Allow this function to be called twice
13297         during garbage collection and defer layout of section during the
13298         first call.
13299         * object.h (Relobj::get_symbols_data): New function.
13300         (Relobj::is_section_name_included): New function.
13301         (Relobj::copy_symbols_data): New function.
13302         (Relobj::set_symbols_data): New function.
13303         (Relobj::get_relocs_data): New function.
13304         (Relobj::set_relocs_data): New function.
13305         (Relobj::is_output_section_offset_invalid): New pure virtual function.
13306         (Relobj::gc_process_relocs): New function.
13307         (Relobj::do_gc_process_relocs): New pure virtual function.
13308         (Relobj::sd_): New data member.
13309         (Sized_relobj::is_output_section_offset_invalid): New function.
13310         (Sized_relobj::do_gc_process_relocs): New function.
13311         * options.h (General_options::gc_sections): Modify to not be a no-op.
13312         (General_options::print_gc_sections): New option.
13313         * plugin.cc (Plugin_finish::run): Remove function call to
13314         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
13315         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
13316         * reloc.cc (Read_relocs::run): Add task to process relocs and
13317         determine unreferenced sections when doing garbage collection.
13318         (Gc_process_relocs): New class.
13319         (Sized_relobj::do_gc_process_relocs): New function.
13320         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
13321         sections that are garbage collected.
13322         * reloc.h (Gc_process_relocs): New class.
13323         * sparc.cc (Target_sparc::gc_process_relocs): New function.
13324         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
13325         symbols whose corresponding sections are garbage collected.
13326         (Symbol_table::Symbol_table): Add new parameter for the garbage
13327         collection object.
13328         (Symbol_table::gc_mark_undef_symbols): New function.
13329         (Symbol_table::gc_mark_symbol_for_shlib): New function.
13330         (Symbol_table::gc_mark_dyn_syms): New function.
13331         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
13332         as garbage.
13333         (Symbol_table::add_from_object): Likewise.
13334         (Symbol_table::add_from_relobj): When building shared objects, do not
13335         treat externally visible symbols as garbage.
13336         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
13337         table information for static and relocatable links.
13338         * symtab.h (Symbol_table::set_gc): New function.
13339         (Symbol_table::gc): New function.
13340         (Symbol_table::gc_mark_undef_symbols): New function.
13341         (Symbol_table::gc_mark_symbol_for_shlib): New function.
13342         (Symbol_table::gc_mark_dyn_syms): New function.
13343         (Symbol_table::gc_): New data member.
13344         * target.h (Sized_target::gc_process_relocs): New pure virtual
13345         function.
13346         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
13347         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
13348
13349 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
13350
13351         * options.h (General_options::gc_sections): Define as a no-op for now.
13352         (General_options::no_keep_memory): Ditto.
13353         (General_options::Bshareable): Define.
13354         * options.cc (General_options::finalize): Honor -Bshareable.
13355
13356 2009-01-20  Andreas Schwab  <schwab@suse.de>
13357
13358         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
13359         read the value in the contents, since we don't use it.  Use the
13360         template endianness when writing.
13361         (Relocate::relocate): Use it for R_PPC_REL16_HA.
13362
13363 2009-01-19  Andreas Schwab  <schwab@suse.de>
13364
13365         * configure.tgt (powerpc64-*): Fix targ_obj.
13366
13367 2009-01-15  Ian Lance Taylor  <iant@google.com>
13368
13369         * object.cc (Sized_relobj::write_local_symbols): Don't write out
13370         local symbols when stripping all symbols.
13371
13372 2009-01-14  Cary Coutant  <ccoutant@google.com>
13373
13374         * output.cc (Output_reloc): Add explicit instantiations.
13375
13376 2009-01-14  Cary Coutant  <ccoutant@google.com>
13377
13378         * archive.cc (Archive::get_elf_object_for_member): Remove call
13379         to File_read::claim_for_plugin.
13380         * descriptors.cc (Descriptors::open): Remove reference to
13381         is_claimed.
13382         (Descriptors::claim_for_plugin): Remove.
13383         * descriptors.h (Descriptors::claim_for_plugin): Remove.
13384         (Descriptors::is_claimed): Remove.
13385         (claim_descriptor_for_plugin): Remove.
13386         * fileread.cc (File_read::claim_for_plugin): Remove.
13387         * fileread.h (File_read::claim_for_plugin): Remove.
13388         (File_read::descriptor): Reopen descriptor if necessary.
13389         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
13390         (Plugin_manager::all_symbols_read): Add task parameter. Change
13391         all callers.
13392         (Plugin_manager::get_input_file): New function.
13393         (Plugin_manager::release_input_file): New function.
13394         (Pluginobj::Pluginobj): Add filesize parameter and initialize
13395         corresponding data member.
13396         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
13397         and pass to base constructor. Change all callers.
13398         (get_input_file, release_input_file): New functions.
13399         (make_sized_plugin_object): Add filesize parameter. Change all callers.
13400         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
13401         (Plugin_manager::all_symbols_read): Add task parameter.
13402         (Plugin_manager::get_input_file): New function.
13403         (Plugin_manager::release_input_file): New function.
13404         (Plugin_manager::task_): New data member.
13405         (Pluginobj::Pluginobj): Add filesize parameter.
13406         (Pluginobj::filename): New function.
13407         (Pluginobj::descriptor): New function.
13408         (Pluginobj::filesize): New function.
13409         (Pluginobj::filesize_): New data member.
13410         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
13411         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
13412         File_read::claim_for_plugin; use Object::unlock to unlock the file.
13413
13414         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
13415         with archive libraries.
13416         * testsuite/Makefile.in: Regenerate.
13417         * testsuite/plugin_test.c (struct sym_info): New type.
13418         (get_input_file, release_input_file): New static variables.
13419         (onload): Capture new transfer vector entries.
13420         (claim_file_hook): Stop reading at end of file according to filesize.
13421         Factor out parsing of readelf output into separate function.
13422         (all_symbols_read_hook): Exercise get_input_file and release_input_file
13423         APIs and get the source file name from the symbol table.  Convert
13424         source file name to corresponding object file name.  Print info
13425         message when adding new input files.
13426         (parse_readelf_line): New function.
13427         * testsuite/plugin_test_1.sh: Add checks for new info messages.
13428         * testsuite/plugin_test_2.sh: Likewise.
13429         * testsuite/plugin_test_3.sh: Likewise.
13430         * testsuite/plugin_test_4.sh: New test case.
13431
13432 2009-01-07  Ian Lance Taylor  <iant@google.com>
13433
13434         * version.cc (version_string): Bump to 1.8.
13435
13436 2008-12-23  Cary Coutant  <ccoutant@google.com>
13437
13438         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
13439         * plugin.cc (Plugin_manager::finish): Rename as
13440         layout_deferred_objects.  Move cleanup to separate function.
13441         (Plugin_manager::cleanup): New function.
13442         (Plugin_finish::run): Call layout_deferred_objects and cleanup
13443         separately.
13444         * plugin.h (Plugin_manager::finish): Rename as
13445         layout_deferred_objects.
13446         (Plugin_manager::cleanup): New function.
13447         (Plugin_manager::cleanup_done): New field.
13448
13449 2008-12-23  Cary Coutant  <ccoutant@google.com>
13450
13451         * plugin.cc (is_visible_from_outside): New function.
13452         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
13453         so we don't return "IR only" status for exported symbols or -r links.
13454
13455         * testsuite/Makefile.am (plugin_test_3): New test case.
13456         * testsuite/Makefile.in: Regenerate.
13457         * testsuite/plugin_test_3.sh: New file.
13458
13459 2008-12-22  Cary Coutant  <ccoutant@google.com>
13460
13461         * object.cc (Sized_relobj::layout_section): New function.
13462         (Sized_relobj::do_layout): Defer layout of input sections until after
13463         plugin has provided replacement files.
13464         (Sized_relobj::do_layout_deferred_sections): New function.
13465         * object.h (Relobj::set_section_offset): Remove virtual keyword.
13466         (Relobj::layout_deferred_sections): New function.
13467         (Relobj::do_layout_deferred_sections): New function.
13468         (Sized_relobj::do_layout_deferred_sections): New function.
13469         (Sized_relobj::layout_section): New function.
13470         (Sized_relobj::Deferred_layout): New structure.
13471         (Sized_relobj::deferred_layout_): New field.
13472         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
13473         Change all callers.  Layout deferred sections.
13474         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
13475         references.
13476         (Plugin_hook::run): Move code from do_plugin_hook inline.
13477         (Plugin_hook::do_plugin_hook): Remove.
13478         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
13479         (Plugin_manager::finish): Renamed, was cleanup.
13480         (Plugin_manager::should_defer_layout): New function.
13481         (Plugin_manager::add_deferred_layout_object): New function.
13482         (Plugin_manager::Deferred_layout_list): New type.
13483         (Plugin_manager::deferred_layout_objects_): New field.
13484         (Plugin_hook::do_plugin_hook): Remove.
13485
13486 2008-12-17  Ian Lance Taylor  <iant@google.com>
13487
13488         * options.h (class General_options): Add --no case for
13489         --export-dynamic.
13490
13491 2008-12-16  Cary Coutant  <ccoutant@google.com>
13492
13493         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
13494         vector.
13495         (Plugin_manager::claim_file): Create plugin object even if
13496         plugin did not call the add_symbols callback.
13497         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
13498         asking for more symbols than were added.
13499         * testsuite/Makefile.am (plugin_test_1): Add test case with
13500         no global symbols.
13501         (empty.syms): New target.
13502         * testsuite/Makefile.in: Regenerate.
13503         * testsuite/plugin_test.c (claim_file_hook): Add new debug
13504         message. Don't call add_symbols if no globals.
13505         (all_symbols_read_hook): Don't provide replacement for empty
13506         claimed file.
13507
13508 2008-12-12  Ian Lance Taylor  <iant@google.com>
13509
13510         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
13511         r_type == 0 for a local symbol with r_sym == 0.
13512         (scan_relocatable_relocs): Pass r_sym to
13513         local_non_section_strategy.
13514         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
13515         r_sym parameter.
13516
13517         * configure.ac: Update test for TLS descriptors: they are
13518         supported as of glibc 2.9.
13519         * configure: Rebuild.
13520
13521 2008-12-11  Ian Lance Taylor  <iant@google.com>
13522
13523         PR 7091
13524         * target-reloc.h (Default_scan_relocatable_relocs): For each
13525         function, map r_type == 0 to RELOC_DISCARD.
13526
13527 2008-12-10  Cary Coutant  <ccoutant@google.com>
13528
13529         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
13530         object to override a kept COMDAT group from a plugin object.
13531
13532 2008-12-09  Ian Lance Taylor  <iant@google.com>
13533
13534         PR 7088
13535         * yyscript.y (file_cmd): Handle INPUT.
13536
13537         * testsuite/initpri1.c: Change all declarations to be full
13538         prototypes by adding void, to avoid compiler warnings.
13539
13540 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
13541
13542         * options.cc (General_options::parse_plugin_opt): New.
13543         (General_options::add_plugin): The argument now is just the filename.
13544         (General_options::add_plugin_option): New.
13545         * options.h (plugin_opt): New.
13546         (add_plugin): Change argument name.
13547         (add_plugin_option): New.
13548         * plugin.cc (Plugin::load): Don't parse the plugin option.
13549         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
13550         (Plugin::add_option): New.
13551         (Plugin::args_): Change type.
13552         (Plugin::filename_): New.
13553         (Plugin_manager::add_plugin_option): New.
13554         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
13555         * testsuite/Makefile.in: Regenerate.
13556
13557 2008-12-05  Cary Coutant  <ccoutant@google.com>
13558
13559         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
13560         Handle --strip-lto-sections option.
13561         * options.h (strip_lto_sections): New option.
13562
13563 2008-12-01  Cary Coutant  <ccoutant@google.com>
13564
13565         * plugin.cc (ld_plugin_message): Change format parameter to const.
13566         Fix mismatch between new[] and delete.
13567
13568 2008-11-14  Cary Coutant  <ccoutant@google.com>
13569
13570         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
13571         instead of -1U.
13572
13573 2008-11-05  Craig Silverstein  <csilvers@google.com>
13574
13575         * options.cc (General_options::parse_dynamic_list): New function.
13576         * options.h (General_options): New flags dynamic_list,
13577         dynamic_list_data, dynamic_list_cpp_new, and
13578         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
13579         (General_options::in_dynamic_list): New function.
13580         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
13581         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
13582         (Lex::can_continue_name): Likewise.
13583         (yylex): Likewise.
13584         (read_script_file): New parameter script_options.
13585         (read_dynamic_list): New function.
13586         (Script_options::define_dynamic_list): New function.
13587         (dynamic_list_keyword_parsecodes): New variable.
13588         (dynamic_list_keywords): New variable.
13589         * script.h (Script_options::define_dynamic_list): New function
13590         prototype.
13591         (read_dynamic_list): New function prototype.
13592         * symtab.cc (strprefix): New macro.
13593         (Symbol::should_add_dynsym_entry): Support dynamic_list,
13594         dynamic_list_data, dynamic_list_cpp_new, and
13595         dynamic_list_cpp_typeinfo.
13596         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
13597         (dynamic_list_expr): New rule.
13598         (dynamic_list_nodes): Likewise.
13599         (dynamic_list_node): Likewise.
13600         * testsuite/Makefile.am (dynamic_list): New test.
13601         * testsuite/Makefile.in: Regenerated.
13602         * testsuite/dynamic_list.t: New file.
13603         * testsuite/dynamic_list.sh: New file.
13604
13605 2008-11-05  Craig Silverstein  <csilvers@google.com>
13606
13607         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
13608         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
13609         (t11_last): Likewise.
13610         * testsuite/ver_test_6.c (main): Likewise.
13611
13612 2008-10-07  Cary Coutant  <ccoutant@google.com>
13613
13614         * options.c (General_options::finalize): Add check for -static and
13615         -shared.
13616         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
13617         is not empty.
13618
13619 2008-10-02  Cary Coutant  <ccoutant@google.com>
13620
13621         * plugin.cc (make_sized_plugin_object): Fix conditional
13622         compilation to work when not all targets are enabled.
13623
13624 2008-09-29  Cary Coutant  <ccoutant@google.com>
13625
13626         * archive.cc (Archive::get_file_and_offset): Use filename instead
13627         of name to get library path.
13628         (Archive::include_member): Unlock external member of a thin archive.
13629
13630         * testsuite/Makefile.am (TEST_AR): New variable.
13631         (thin_archive_test_1): New test.
13632         (thin_archive_test_2): New test.
13633         * testsuite/Makefile.in: Regenerate.
13634         * testsuite/thin_archive_main.cc: New file.
13635         * testsuite/thin_archive_test_1.cc: New file.
13636         * testsuite/thin_archive_test_2.cc: New file.
13637         * testsuite/thin_archive_test_3.cc: New file.
13638         * testsuite/thin_archive_test_4.cc: New file.
13639
13640 2008-09-29  Cary Coutant  <ccoutant@google.com>
13641
13642         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
13643         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
13644         instead of -1U.
13645         (Sized_relobj::do_finalize_local_symbols): Likewise.
13646         (Sized_relobj::map_to_kept_section): Likewise.
13647         * object.h (Sized_relobj::invalid_address): New constant.
13648         (Sized_relobj::do_output_section_offset): Check for invalid_address
13649         and return -1ULL.
13650         * output.cc (Output_reloc::local_section_offset): Use constant
13651         invalid_address instead of -1U.
13652         (Output_reloc::get_address): Likewise.
13653         (Output_section::output_address): Change -1U to -1ULL.
13654         * output.h (Output_reloc::invalid_address): New constant.
13655         * reloc.cc (Sized_relobj::write_sections): Use constant
13656         invalid_address instead of -1U.
13657         (Sized_relobj::relocate_sections): Likewise.
13658         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
13659         values for merge sections.
13660         * target-reloc.h (relocate_for_relocatable): Use constant
13661         invalid_address instead of -1U.
13662
13663 2008-09-19  Cary Coutant  <ccoutant@google.com>
13664
13665         Add plugin functionality for link-time optimization (LTO).
13666         * configure.ac (plugins): Add --enable-plugins option.
13667         * configure: Regenerate.
13668         * config.in: Regenerate.
13669         * Makefile.am (LIBDL): New variable.
13670         (CCFILES): Add plugin.cc.
13671         (HFILES): Add plugin.h.
13672         (ldadd_var): Add LIBDL.
13673         * Makefile.in: Regenerate.
13674
13675         * archive.cc: Include "plugin.h".
13676         (Archive::setup): Don't preread archive symbols when using a plugin.
13677         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
13678         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
13679         files.
13680         (Archive::include_member): Add symbols from plugin objects.
13681         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
13682         * descriptors.cc (Descriptors::open): Check for file descriptors
13683         abandoned by plugins.
13684         (Descriptors::claim_for_plugin): New function.
13685         * descriptors.h (Descriptors::claim_for_plugin): New function.
13686         (Open_descriptor::is_claimed): New field.
13687         (claim_descriptor_for_plugin): New function.
13688         * fileread.cc (File_read::claim_for_plugin): New function.
13689         * fileread.h (File_read::claim_for_plugin): New function.
13690         (File_read::descriptor): New function.
13691         * gold.cc: Include "plugin.h".
13692         (queue_initial_tasks): Add task to call plugin hooks for generating
13693         new object files.
13694         * main.cc: Include "plugin.h".
13695         (main): Load plugin libraries.
13696         * object.h (Pluginobj): Declare.
13697         (Object::pluginobj): New function.
13698         (Object::do_pluginobj): New function.
13699         (Object::set_target): New function.
13700         * options.cc: Include "plugin.h".
13701         (General_options::parse_plugin): New function.
13702         (General_options::General_options): Initialize plugins_ field.
13703         (General_options::add_plugin): New function.
13704         * options.h (Plugin_manager): Declare.
13705         (General_options): Add --plugin option.
13706         (General_options::has_plugins): New function.
13707         (General_options::plugins): New function.
13708         (General_options::add_plugin): New function.
13709         (General_options::plugins_): New field.
13710         * plugin.cc: New file.
13711         * plugin.h: New file.
13712         * readsyms.cc: Include "plugin.h".
13713         (Read_symbols::do_read_symbols): Check for archive before checking
13714         for ELF file.  Call plugin hooks to claim files.
13715         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
13716         from a real object file; force override when processing replacement
13717         files.
13718         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
13719         (Symbol::init_base_object): Likewise.
13720         (Symbol::init_base_output_data): Likewise.
13721         (Symbol::init_base_output_segment): Likewise.
13722         (Symbol::init_base_constant): Likewise.
13723         (Symbol::init_base_undefined): Likewise.
13724         (Symbol::output_section): Assert that object is not a plugin.
13725         (Symbol_table::add_from_pluginobj): New function.
13726         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
13727         undefined.
13728         (Symbol_table::sized_write_globals): Likewise.
13729         (Symbol_table::add_from_pluginobj): Instantiate template.
13730         * symtab.h (Sized_pluginobj): Declare.
13731         (Symbol::in_real_elf): New function.
13732         (Symbol::set_in_real_elf): New function.
13733         (Symbol::in_real_elf_): New field.
13734         (Symbol_table::add_from_pluginobj): New function.
13735
13736         * testsuite/Makefile.am (AM_CFLAGS): New variable.
13737         (LIBDL): New variable.
13738         (LDADD): Add LIBDL.
13739         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
13740         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
13741         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
13742         (MOSTLYCLEANFILES): Likewise.
13743         * testsuite/Makefile.in: Regenerate.
13744         * testsuite/plugin_test.c: New file.
13745         * testsuite/plugin_test_1.sh: New file.
13746         * testsuite/plugin_test_2.sh: New file.
13747
13748 2008-09-16  Ian Lance Taylor  <iant@google.com>
13749
13750         * target-reloc.h (relocate_section): Check whether a symbol is
13751         defined by the ABI before reporting an undefined symbol error.
13752         * target.h (Target::is_defined_by_abi): Make parameter const.
13753         (Target::do_is_defined_by_abi): Likewise.
13754         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
13755         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
13756         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
13757         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
13758         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
13759         * testsuite/Makefile.in: Rebuild.
13760
13761         * fileread.cc (make_view): Add casts to avoid warning.
13762
13763 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
13764
13765         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
13766         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
13767
13768 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
13769
13770         * options.h (General_options::output_is_executable): New.
13771         (General_options::output_is_pie): New.
13772         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
13773         for shared libraries.
13774         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
13775
13776 2008-09-11  Chris Demetriou  <cgd@google.com>
13777
13778         * options.h (origin): New -z option.
13779         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
13780         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
13781         in DT_FLAGS_1.
13782
13783 2008-09-05  Cary Coutant  <ccoutant@google.com>
13784
13785         * fileread.cc (File_read::make_view): Add check for attempt to map
13786         beyond end of file.
13787
13788 2008-09-05  Cary Coutant  <ccoutant@google.com>
13789
13790         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
13791         explicit instantiations.
13792
13793 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
13794
13795         PR gold/6858
13796         * options.cc (General_options::finalize): Allow undefined symbols
13797         in shlibs if linking -shared.
13798
13799         PR gold/6859
13800         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
13801         symbols as not needing a dynsym entry.
13802
13803 2008-08-20  Craig Silverstein  <csilvers@google.com>
13804
13805         * fileread.cc (File_read::open): Do not lock the file unless it
13806         was successfully opened.
13807
13808 2008-08-14  Cary Coutant  <ccoutant@google.com>
13809
13810         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
13811         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
13812         * testsuite/tls_test.cc (struct int128): 128-bit struct
13813         for testing TLS relocs with non-zero addend.
13814         (v12): New TLS variable.
13815         (t12): New test.
13816         (t_last): Add check for v12.
13817         * testsuite/tls_test.h (t12): New function.
13818         * testsuite/tls_test_main.cc (thread_routine): Call new test.
13819
13820 2008-08-13  Ian Lance Taylor  <iant@google.com>
13821
13822         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
13823         set tls_segment_ or relro_segment_.
13824         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
13825         when appropriate.
13826         * output.h (Output_section::clear_is_relro): New function.
13827         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
13828         sections specially even when output_data_ is empty.
13829         (Output_segment::maximum_alignment): When first section is relro,
13830         only force alignment for PT_LOAD segments.
13831         * script.cc (script_data_segment_align): New function.
13832         (script_data_segment_relro_end): New function.
13833         * script-c.h (script_data_segment_align): Declare.
13834         (script_data_segment_relro_end): Declare.
13835         * script-sections.h (class Script_sections): Declare
13836         data_segment_align and data_segment_relro_end.  Add fields
13837         segment_align_index_ and saw_relro_end_.
13838         * script-sections.cc (class Sections_element): Add set_is_relro
13839         virtual function.  Add new bool* parameter to place_orphan_here.
13840         Add get_output_section virtual function.
13841         (class Output_section_definition): Add set_is_relro.  Add new
13842         bool* parameter to place_orphan_here.  Add get_output_section.
13843         Add is_relro_ field.
13844         (Output_section_definition::Output_section_definition): Initialize
13845         evaluated_address_, evaluated_load_address, evaluated_addralign_,
13846         and is_relro_ fields.
13847         (Output_section_definition::place_orphan_here): Add is_relro
13848         parameter.
13849         (Output_section_definition::set_section_addresses): Set relro for
13850         output section.
13851         (Output_section_definition::alternate_constraint): Likewise.
13852         (class Orphan_output_section): Add new bool* parameter to
13853         place_orphan_here.  Add get_output_section.
13854         (Orphan_output_section::place_orphan_here): Add is_relro
13855         parameter.
13856         (Script_sections::Script_sections): Initialize
13857         data_segment_align_index_ and saw_relro_end_.
13858         (Script_sections::data_segment_align): New function.
13859         (Script_sections::data_segment_relro_end): New function.
13860         (Script_sections::place_orphan): Set or clear is_relro.
13861         (Script_sections::set_section_addresses): Force alignment of first
13862         TLS section.
13863         * yyscript.y (exp): Call script_data_segment_align and
13864         script_data_segment_relro_end.
13865         * testsuite/relro_script_test.t: New file.
13866         * testsuite/relro_test.cc (using_script): Declare.
13867         (t1, t2): Test using_script.
13868         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
13869         (relro_script_test_SOURCES): Define.
13870         (relro_script_test_DEPENDENCIES): Define.
13871         (relro_script_test_LDFLAGS): Define.
13872         (relro_script_test_LDADD): Define.
13873         (relro_script_test.so): New target.
13874         * testsuite/Makefile.in: Rebuild.
13875
13876 2008-08-06  Cary Coutant <ccoutant@google.com>
13877
13878         * archive.cc (Archive::total_archives, Archive::total_members)
13879         (Archive::total_members_loaded): New variables.
13880         (Archive::setup): Add parameter.  Add option to preread
13881         archive symbols.
13882         (Archive::read_armap): Add counter.
13883         (Archive::get_file_and_offset): New function.
13884         (Archive::get_elf_object_for_member): New function.
13885         (Archive::read_all_symbols): New function.
13886         (Archive::read_symbols): New function.
13887         (Archive::add_symbols): Add counters.
13888         (Archive::include_all_members): Use armap to find members if it's
13889         already built.
13890         (Archive::include_member): Skip reading symbols if already read.
13891         Factored code into Archive::get_file_and_offset and
13892         Archive::get_elf_object_for_member.  Changed call to
13893         Mapfile::report_include_archive_member.
13894         (Archive::print_stats): New function.
13895         * archive.h: Declare Object and Read_symbols_data classes.
13896         (Archive::Archive): Add initializers for new members.
13897         (Archive::setup): Add parameter.
13898         (Archive::print_stats): New function.
13899         (Archive::total_archives, Archive::total_members)
13900         (Archive::total_members_loaded): New variables.
13901         (Archive::get_file_and_offset): New function.
13902         (Archive::get_elf_object_for_member): New function.
13903         (Archive::read_all_symbols): New function.
13904         (Archive::read_symbols): New function.
13905         (Archive::Archive_member): New class.
13906         (Archive::members_): New member.
13907         (Archive::num_members_): New member.
13908         * main.cc: Include archive.h.
13909         (main): Call Archive::print_stats.
13910         * mapfile.cc (Mapfile::report_include_archive_member): Delete
13911         archive parameter; member_name is now the fully-decorated name.
13912         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
13913         * options.h: (General_options): Add --preread-archive-symbols option.
13914         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
13915         Archive::setup.
13916
13917 2008-08-04  Ian Lance Taylor  <iant@google.com>
13918
13919         * symtab.h (Symbol::use_plt_offset): New function.
13920         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
13921         * powerpc.cc (Relocate::relocate): Likewise.
13922         * sparc.cc (Relocate::relocate): Likewise.
13923         * x86_64.cc (Relocate::relocate): Likewise.
13924         * testsuite/weak_plt.sh: New test.
13925         * testsuite/weak_plt_main.cc: New test.
13926         * testsuite/weak_plt_shared.cc: New test.
13927         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
13928         (check_PROGRAMS): Add weak_plt.
13929         (check_DATA): Add weak_plt_shared.so.
13930         (weak_plt_main_pic.o, weak_plt): New targets.
13931         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
13932         * testsuite/Makefile.in: Rebuild.
13933
13934         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
13935         gcctestdir/ld.
13936         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
13937         * testsuite/Makefile.in: Rebuild.
13938
13939 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
13940
13941         * Makefile.am (POTFILES.in): Set LC_ALL=C.
13942         * Makefile.in: Regenerate.
13943         * po/POTFILES.in: Regenerate.
13944
13945 2008-07-29  Ian Lance Taylor  <iant@google.com>
13946
13947         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
13948         symbols before other symbols.
13949         * testsuite/script_test_2.cc (test_addr): Declare.
13950         (test_addr_alias): Declare.
13951         (main): Check that test_addr and test_addr_alias have the right
13952         values.
13953         * testsuite/script_test_2.t: Define test_addr_alias and
13954         test_addr.
13955
13956 2008-07-24  Ian Lance Taylor  <iant@google.com>
13957
13958         PR 5990
13959         * descriptors.cc: New file.
13960         * descriptors.h: New file.
13961         * gold-threads.h (class Hold_optional_lock): New class.
13962         * fileread.cc: Include "descriptors.h".
13963         (File_read::~File_read): Release descriptor rather than closing
13964         it.
13965         (File_read::open) [file]: Call open_descriptor rather than open.
13966         Set is_descriptor_opened_.
13967         (File_read::open) [memory]: Assert that descriptor is not open.
13968         (File_read::reopen_descriptor): New function.
13969         (File_read::release): Release descriptor.
13970         (File_read::do_read): Make non-const.  Reopen descriptor.
13971         (File_read::read): Make non-const.
13972         (File_read::make_view): Reopen descriptor.
13973         (File_read::do_readv): Likewise.
13974         * fileread.h (class File_read): Add is_descriptor_opened_ field.
13975         Update declarations.
13976         * layout.cc: Include "descriptors.h".
13977         (Layout::create_build_id): Use open_descriptor rather than open.
13978         * output.cc: Include "descriptors.h".
13979         (Output_file::open): Use open_descriptor rather than open.
13980         * archive.cc (Archive::const_iterator): Change Archive to be
13981         non-const.
13982         (Archive::begin, Archive::end): Make non-const.
13983         (Archive::count_members): Likewise.
13984         * archive.h (class Archive): Update declarations.
13985         * object.h (Object::read): Make non-const.
13986         * Makefile.am (CCFILES): Add descriptors.cc.
13987         (HFILES): Add descriptors.h.
13988         * Makefile.in: Rebuild.
13989
13990         PR 6716
13991         * gold.h: Always include <clocale>.  Add Solaris workarounds
13992         following code in binutils/sysdep.h.
13993
13994         PR 6048
13995         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
13996         this->eh_frame_hdr_ is NULL before using it.
13997
13998         * dynobj.cc (Versions::Versions): Update comment.
13999
14000         * dynobj.cc (Versions::Versions): If there is an soname, use it as
14001         the base version name.
14002
14003         * stringpool.cc (Stringpool_template::add_with_length): Set key to
14004         array size plus one.
14005         (Stringpool_template::set_string_offsets): Subtract one from key
14006         before using it as an array index.
14007         (Stringpool_template::get_offset_with_length): Likewise.
14008         (Stringpool_template::write_to_buffer): Likewise.
14009         * stringpool.h (Stringpool_template::get_offset_from_key):
14010         Likewise.
14011
14012 2008-07-23  Ian Lance Taylor  <iant@google.com>
14013
14014         PR 6658
14015         * object.h (Merged_symbol_value::value): Do our best to handle a
14016         negative addend.
14017
14018         PR 6647
14019         * script.cc (Version_script_info::get_versions): Don't add empty
14020         version tag to return value.
14021         (Version_script_info::get_symbol_version_helper): Change return
14022         type to bool.  Add pversion parameter.  Change all callers.
14023         (script_register_vers_node): Don't require a non-NULL tag.
14024         * script.h (class Version_script_info): Update declarations.
14025         (Version_script_info::get_symbol_version): Change return type to
14026         bool.  Add version parameter.  Change all callers.
14027         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
14028         handling.  Handle an empty version from a version script.
14029         (Symbol_table::define_special_symbol): Likewise.
14030         * testsuite/ver_test_10.script: New file.
14031         * testsuite/ver_test_10.sh: New file.
14032         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
14033         (check_DATA): Add ver_test_10.syms.
14034         (ver_test_10.syms, ver_test_10.so): New target.
14035         * testsuite/Makefile.in: Rebuild.
14036
14037 2008-07-23  Simon Baldwin  <simonb@google.com>
14038
14039         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
14040         to zero for undefined symbols from dynamic libraries.
14041
14042 2008-07-23  Ian Lance Taylor  <iant@google.com>
14043
14044         * symtab.cc (Symbol_table::resolve): Remove version parameter.
14045         Change all callers.
14046         * symtab.h (class Symbol_table): Update declaration.
14047         * testsuite/ver_test_9.cc: New file.
14048         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
14049         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
14050         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
14051         (ver_test_9.so, ver_test_9.o): New targets.
14052         * testsuite/Makefile.in: Rebuild.
14053
14054 2008-07-22  Ian Lance Taylor  <iant@google.com>
14055
14056         * options.h (class General_options): Define --check-sections.
14057         * layout.cc (Layout::set_segment_offsets): Handle
14058         --check-sections.
14059
14060         * options.h (class General_options): Define -n/--nmagic and
14061         -N/--omagic.
14062         * options.cc (General_options::finalize): For -n/--nmagic or
14063         -N/--omagic, set -static.
14064         * layout.cc (Layout::attach_allocated_section_to_segment): If
14065         -N/--omagic, don't put read-only and read-write sections in
14066         different segments.
14067         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
14068         finding a read-only segment.
14069         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
14070         don't set the minimum segment alignment to the common page size,
14071         and don't set the file offset to the address modulo the page size.
14072         * script-sections.cc (Script_sections::create_segments): If
14073         -n/--omagic, don't put read-only and read-write sections in
14074         different segments.
14075
14076         * cref.cc: New file.
14077         * cref.h: New file.
14078         * options.h (class General_options): Add --print-symbol-counts.
14079         * main.cc (main): Issue defined symbol report if requested.
14080         * archive.cc (Archive::interpret_header): Make into a const member
14081         function.
14082         (Archive::add_symbols): Call Input_objects::archive_start and
14083         archive_stop.
14084         (Archive::const_iterator): Define new class.
14085         (Archive::begin, Archive::end): New functions.
14086         (Archive::include_all_members): Rewrite to use iterator.
14087         (Archive::count_members): New function.
14088         * archive.h (class Archive): Update declarations.
14089         (Archive::filename): New function.
14090         * object.cc: Include "cref.h".
14091         (Sized_relobj::Sized_relobj): Initialize defined_count_.
14092         (Sized_relobj::do_get_global_symbol_counts): New function.
14093         (Input_objects::add_object): Add object to cross-referencer.
14094         (Input_objects::archive_start): New function.
14095         (Input_objects::archive_stop): New function.
14096         (Input_objects::print_symbol_counts): New function.
14097         * object.h: Declare Cref and Archive.
14098         (Object::get_global_symbol_counts): New function.
14099         (Object::do_get_global_symbol_counts): New pure virtual function.
14100         (class Sized_relobj): Add defined_count_ field.  Update
14101         declarations.
14102         (class Input_objects): Add cref_ field.  Update constructor.
14103         Update declarations.
14104         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
14105         defined_count_.
14106         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
14107         symbol counts.
14108         (Sized_dynobj::do_get_global_symbol_counts): New function.
14109         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
14110         defined_count_.  Update declarations.  Define Symbols typedef.
14111         * symtab.cc (Symbol_table::add_from_relobj): Add defined
14112         parameter.  Change all callers.
14113         (Symbol_table::add_from_dynobj): Add sympointers and defined
14114         parameters.  Change all callers.
14115         * symtab.h (class Symbol_table): Update declarations.
14116         * Makefile.am (CCFILES): Add cref.cc.
14117         (HFILES): Add cref.h.
14118         * Makefile.in: Rebuild.
14119
14120 2008-07-22  Simon Baldwin  <simonb@google.com>
14121
14122         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
14123         to zero when writing undefined symbols.
14124
14125 2008-07-22  Ian Lance Taylor  <iant@google.com>
14126
14127         * output.cc (Output_section::add_input_section): Don't try to
14128         merge empty merge sections.
14129
14130 2008-07-21  Craig Silverstein  <csilvers@google.com>
14131
14132         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
14133         Include symbol version in error message.
14134
14135 2008-07-20  Chris Demetriou  <cgd@google.com>
14136
14137         * configure.ac (gold_cv_c_random_seed): New configured variable.
14138         (RANDOM_SEED_CFLAGS): New substituted variable.
14139         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
14140         * configure: Rebuild.
14141         * Makefile.in: Likewise.
14142         * testsuite/Makefile.in: Likewise.
14143
14144 2008-07-18  Ian Lance Taylor  <iant@google.com>
14145
14146         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
14147         where we see NAME/NULL and NAME/VERSION  as separate symbols.
14148         * testsuite/ver_test_main.cc (main): Call t4.
14149         (t4, t4_2a): Define.
14150         * testsuite/ver_test_2.cc (t4_2): Define.
14151         * testsuite/ver_test_2.script: Put t4_2a in VER2.
14152         * testsuite/ver_test_4.cc (t4_2a): Define.
14153         * testsuite/ver_test_4.script: Put t4_2a in VER2.
14154         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
14155
14156 2008-07-17  Ian Lance Taylor  <iant@google.com>
14157
14158         * dynobj.cc (Versions::add_def): If we give an error about a
14159         missing version, go ahead and create the version anyhow.
14160
14161 2008-07-10  Ian Lance Taylor  <iant@google.com>
14162
14163         Handle output sections with more than 0x7fffffff bytes.
14164         * object.h (class Relobj): Change map_to_output_ to
14165         output_sections_, and just keep a section pointer.  Change all
14166         uses.  Move comdat group support to Sized_relobj.
14167         (Relobj::is_section_specially_mapped): Remove.
14168         (Relobj::output_section): Remove poff parameter.  Change all
14169         callers.
14170         (Relobj::output_section_offset): New function.
14171         (Relobj::set_section_offset): Rewrite.
14172         (Relobj::map_to_output): Remove.
14173         (Relobj::output_sections): New function.
14174         (Relobj::do_output_section_offset): New pure virtual function.
14175         (Relobj::do_set_section_offset): Likewise.
14176         (class Sized_relobj): Add section_offsets_ field.  Add comdat
14177         group support from Relobj.  Update declarations.
14178         (Sized_relobj::get_output_section_offset): New function.
14179         (Sized_relobj::do_output_section_offset): New function.
14180         (Sized_relobj::do_set_section_offset): New function.
14181         * object.cc (Relobj::output_section_address): Remove.
14182         (Sized_relobj::Sized_relobj): Initialize new fields.
14183         (Sized_relobj::include_section_group): Cast find_kept_object to
14184         Sized_relobj.
14185         (Sized_relobj::include_linkonce_section): Likewise.
14186         (Sized_relobj::do_layout): Use separate arrays for output section
14187         and output offset.
14188         (Sized_relobj::do_count_local_symbols): Change map_to_output to
14189         output_sections.
14190         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
14191         output_sections and section_offsets.
14192         (Sized_relobj::write_local_symbols): Likewise.
14193         (map_to_kept_section): Compute output address directly.
14194         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
14195         output_sections and section_offsets.
14196         (Sized_relobj::write_sections): Likewise.
14197         (Sized_relobj::relocate_sections): Likewise.
14198         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
14199         * output.h (class Output_reloc): Update declarations.  Change
14200         u2_.relobj to Sized_relobj*.
14201         (class Output_data_reloc): Change add functions to use
14202         Sized_relobj*.
14203         * output.cc (Output_reloc::Output_reloc): Change relobj to
14204         Sized_relobj*.
14205         (Output_reloc::local_section_offset): Change return type to
14206         Elf_Addr.  Use get_output_section_offset.
14207         (Output_reloc::get_address): Likewise.
14208         (Output_section::is_input_address_mapped): Don't call
14209         is_section_specially_mapped.
14210         (Output_section::output_offset): Likewise.
14211         (Output_section::output_address): Likewise.
14212         (Output_section::starting_output_address): Likewise.
14213         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
14214         parameter to Sized_relobj*.
14215         (Copy_relocs::need_copy_reloc): Likewise.
14216         (Copy_relocs::save): Likewise.
14217         * copy-relocs.h (class Copy_relocs): Update declarations.
14218         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
14219         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
14220         * target-reloc.h (relocate_for_relocatable): Change
14221         offset_in_output_section type to Elf_Addr.  Change code that uses
14222         it as well.
14223         * layout.cc (Layout::layout): Always set *off.
14224         * mapfile.cc (Mapfile::print_input_section): Use
14225         output_section_offset.
14226         * i386.cc (Target_i386::copy_reloc): Change object parameter to
14227         Sized_relobj*.
14228         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
14229         * sparc.cc (Target_sparc::copy_reloc): Likewise.
14230         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
14231
14232 2008-07-03  Ian Lance Taylor  <iant@google.com>
14233
14234         * layout.cc (Layout::include_section): Do not discard unrecognized
14235         SHT_STRTAB sections.
14236
14237 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
14238
14239         * script.cc (Lex::can_continue_name): Make '?' allowable in
14240         version-script names.
14241         * testsuite/version_script.map: Change glob pattern to use '?'
14242
14243 2008-06-30  Manish Singh  <yosh@gimp.org>
14244
14245         PR 6585
14246         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
14247         Correct typo.
14248
14249 2008-06-30  Ian Lance Taylor  <iant@google.com>
14250
14251         PR 6660
14252         PR 6682
14253         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
14254         versions]: Don't try to read the value in the contents, since we
14255         don't use it.  Use the template endianness when writing.
14256
14257 2008-06-25  Cary Coutant  <ccoutant@google.com>
14258
14259         * fileread.cc (File_read::make_view): Assert on zero-length view.
14260         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
14261         symbol table when there are no symbols to read.
14262
14263 2008-06-23  Craig Silverstein  <csilvers@google.com>
14264
14265         * version.cc (version_string): Bump to 1.7
14266
14267 2008-06-18  Craig Silverstein  <csilvers@google.com>
14268
14269         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
14270         constant 0xFFFF to type Valtype.
14271         (Powerpc_relocate_functions::rel16_ha): Likewise.
14272
14273 2008-06-17  Ian Lance Taylor  <iant@google.com>
14274
14275         * output.h (Output_section::Input_section): Initialize p2align_ to
14276         zero for Output_section_data constructors.
14277         (Output_section::Input_section::addralign): If not an input
14278         section, return the alignment of the Output_section_data.
14279         * testsuite/copy_test.cc: New file.
14280         * testsuite/copy_test_1.cc: New file.
14281         * testsuite/copy_test_2.cc: New file.
14282         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
14283         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
14284         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
14285         (copy_test_1_pic.o, copy_test_1.so): New targets.
14286         (copy_test_2_pic.o, copy_test_2.so): New targets.
14287         * testsuite/Makefile.in: Rebuild.
14288
14289         * script-sections.cc (Script_sections::place_orphan): Initialize
14290         local variable exact.
14291
14292 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
14293
14294         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
14295
14296 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
14297             David S. Miller  <davem@davemloft.net>
14298
14299         * powerpc.cc: New file.
14300         * Makefile.am (TARGETSOURCES): Add powerpc.cc
14301         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
14302         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
14303         * Makefile.in: Rebuild.
14304
14305 2008-06-09  Ian Lance Taylor  <iant@google.com>
14306
14307         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
14308         <exception>.
14309         (throwing, orig_terminate): New static variables.
14310         (terminate_handler): New static function.
14311         (t2): Set terminate handler.
14312
14313 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
14314
14315         PR 6584
14316         * binary.cc (Binary_to_elf::sized_convert): Fix .data
14317         alignment.
14318
14319 2008-05-30  Cary Coutant  <ccoutant@google.com>
14320
14321         * archive.cc (Archive::include_all_members) Correct to step
14322         over symbol table and extended name table in thin archives.
14323
14324 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
14325
14326         PR 6407
14327         * target-reloc.h (relocate_for_relocatable): Fix new_offset
14328         calculation.
14329
14330 2008-05-28  Caleb Howe  <cshowe@google.com>
14331
14332         * reduced_debug_output.cc: New file.
14333         * reduced_debug_output.h: New file.
14334         * options.h (class General_options): Add --strip-debug-non-line.
14335         * options.cc (General_options::finalize): Add strip_debug_non_line
14336         to the strip heirarchy.
14337         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
14338         fields.
14339         * layout.cc: Include "reduced_debug_output.h".
14340         (Layout::Layout): Initialize new fields.
14341         (line_only_debug_sections): New static array.
14342         (is_lines_only_debug_sections): New static inline function.
14343         (Layout::include_section): Handle --strip-debug-non-line.
14344         (Layout::make_output_section): If --strip-debug-non-line, build
14345         new output sections for .debug_abbrev and .debug_info.
14346         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
14347         gold.  Warn about possible overflow.
14348         (read_signed_LEB_128): Likewise.
14349         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
14350         (read_signed_LEB_128): Declare.
14351         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
14352         (HFILES): Add reduced_debug_output.h.
14353         * Makefile.in: Rebuild.
14354
14355 2008-05-21  Ian Lance Taylor  <iant@google.com>
14356
14357         * mapfile.cc: New file.
14358         * mapfile.h: New file.
14359         * options.h (class General_options): Add -M/--print-map and -Map.
14360         * options.cc (General_options::finalize): Make -M equivalent to
14361         -Map -.
14362         * main.cc: Include <cstdio> and "mapfile.h".
14363         (main): Open mapfile if requested.
14364         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
14365         constructor.  Change caller.
14366         (queue_initial_tasks): Add mapfile parameter.  Change caller.
14367         (queue_middle_tasks): Likewise.
14368         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
14369         declarations.
14370         * archive.cc: Include "mapfile.h".
14371         (Archive::add_symbols): Add mapfile parameter.  Change all
14372         callers.  Pass mapfile, symbol, and reason to include_member.
14373         (Archive::include_all_members): Add mapfile parameter.  Change all
14374         callers.
14375         (Archive::include_member): Add mapfile, sym, and why parameters.
14376         Change all callers.  Report inclusion to map file.
14377         * archive.h: Include "fileread.h".
14378         (class Archive): Update declarations.
14379         (Archive::file): New const method.
14380         (class Add_archive_symbols): Add mapfile_ field.  Update
14381         constructor.  Change all callers.
14382         * readsyms.h (class Read_symbols): Likewise.
14383         (class Finish_group): Likewise.
14384         (class Read_script): Likewise.
14385         * common.cc: Include "mapfile.h".
14386         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
14387         all callers.
14388         (Symbol_table::do_allocate_commons): Likewise.
14389         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
14390         symbol allocation to mapfile.
14391         * common.h (class Allocate_commons_task): Add mapfile_ field.
14392         Update constructor.  Change all callers.
14393         * symtab.h (class Symbol_table): Update declarations.
14394         * layout.cc: Include "mapfile.h".
14395         (Layout_task_runner::run): Print information to mapfile.
14396         (Layout::create_gold_note): Change Output_data_fixed_space to
14397         Output_data_zero_fill.
14398         (Layout::create_build_id): Likewise.
14399         (Layout::print_to_mapfile): New function.
14400         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
14401         constructor.  Change caller.
14402         (class Layout): Declare print_to_mapfile.
14403         * output.cc (Output_section::Input_section::print_to_mapfile): New
14404         function.
14405         (Output_section::add_input_section): If producing a map, always
14406         add to input_sections_ list.
14407         (Output_section::do_print_to_mapfile): New function.
14408         (Output_segment::print_sections_to_mapfile): New function.
14409         (Output_segment::print_section_list_to_mapfile): New function.
14410         * output.h: Include "mapfile.h".
14411         (Output_data::print_to_mapfile): New function.
14412         (Output_data::do_print_to_mapfile): New virtual function.
14413         (Output_segment_headers::do_print_to_mapfile): New function.
14414         (Output_file_header::do_print_to_mapfile): New function.
14415         (Output_data_const::do_print_to_mapfile): New function.
14416         (class Output_data_const_buffer): Add map_name_ field.  Update
14417         constructor.  Change all callers.  Add do_print_to_mapfile
14418         function.
14419         (class Output_data_fixed_space): Likewise.
14420         (class Output_data_space): Likewise.
14421         (class Output_data_zero_fill): New class.
14422         (Output_data_strtab::do_print_to_mapfile): New function.
14423         (Output_data_reloc_base::do_print_to_mapfile): New function.
14424         (Output_relocatable_relocs::do_print_to_mapfile): New function.
14425         (Output_data_group::do_print_to_mapfile): New function.
14426         (Output_data_got::do_print_to_mapfile): New function.
14427         (Output_data_dynamic::do_print_to_mapfile): New function.
14428         (Output_symtab_xindex::do_print_to_mapfile): New function.
14429         (class Output_section): Declare do_print_to_mapflie.  Declare
14430         print_to_mapfile in Input_section.
14431         (class Output_segment): Declare new functions.
14432         * object.h (Sized_relobj::symbol_count): New function.
14433         * script-sections.cc
14434         (Output_section_element_dot_assignment::set_section_addresses):
14435         Change Output_data_fixed_space to Output_data_zero_fill.
14436         (Output_data_expression::do_print_to_mapfile): New function.
14437         * script.cc (read_input_script): Add mapfile parameter.  Change
14438         all callers.
14439         * script.h (read_input_script): Update declaration.
14440         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
14441         (Eh_frame::do_print_to_mapfile): New function.
14442         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
14443         (Output_merge_string::do_print_to_mapfile): New function.
14444         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
14445         function.
14446         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
14447         function.
14448         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
14449         function.
14450         * Makefile.am (CCFILES): Add mapfile.cc.
14451         (HFILES): Add mapfile.h.
14452         * Makefile.in: Rebuild.
14453
14454 2008-05-19  Ian Lance Taylor  <iant@google.com>
14455
14456         * options.h (class General_options): Add -z relro.
14457         * layout.cc (Layout::Layout): Initialize relro_segment_.
14458         (Layout::add_output_section_data): Return the output section.
14459         (Layout::make_output_section): Rcognize relro sections and mark
14460         them appropriately.
14461         (Layout::attach_allocated_section_to_segment): Put relro sections
14462         in a PT_GNU_RELRO segment.
14463         (Layout::create_initial_dynamic_sections): Mark the .dynamic
14464         section as relro.
14465         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
14466         PT_TLS segments.
14467         (Layout::linkonce_mapping): Map d.rel.ro.local to
14468         .data.rel.ro.local.
14469         (Layout::output_section_name): Us .data.rel.ro.local for any
14470         section which begins with that.
14471         * layout.h (class Layout): Update add_output_section_data
14472         declaration.  Add relro_segment_ field.
14473         * output.cc (Output_section::Output_section): Initialize is_relro_
14474         and is_relro_local_ fields.
14475         (Output_segment::add_output_section): Group relro sections.
14476         (Output_segment::is_first_section_relro): New function.
14477         (Output_segment::maximum_alignment): If there is a relro section,
14478         align the segment to the common page size.
14479         (Output_segment::set_section_addresses): Track whether we are
14480         looking at relro sections.  If the last section is a relro
14481         section, align to the common page size.
14482         (Output_segment::set_section_list_addresses): Add in_relro
14483         parameter.  Change all callers.  Align to the page size when
14484         moving from relro to non-relro section.
14485         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
14486         segment.
14487         * output.h (class Output_section): Add is_relro_ and
14488         is_relro_local_ fields.
14489         (Output_section::is_relro): New function.
14490         (Output_section::set_is_relro): New function.
14491         (Output_section::is_relro_local): New function.
14492         (Output_section::set_is_relro_local): New function.
14493         (class Output_segment): Update declarations.
14494         * i386.cc (Target_i386::got_section): Mark .got section as relro.
14495         * sparc.cc (Target_sparc::got_section): Likewise.
14496         * x86_64.cc (Target_x86_64::got_section): Likewise.
14497         * testsuite/relro_test_main.cc: New file.
14498         * testsuite/relro_test.cc: New file.
14499         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
14500         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
14501         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
14502         (relro_test.so, relro_test_pic.o): New targets.
14503         * testsuite/Makefile.in: Rebuild.
14504
14505 2008-05-16  Ian Lance Taylor  <iant@google.com>
14506
14507         * output.cc (Output_segment::add_output_section): Remove front
14508         parameter.
14509         * output.h (class Output_segment): Remove
14510         add_initial_output_section and overloaded add_output_section.
14511         Update declaration of remaining add_output_section.
14512         * layout.cc (Layout::create_interp): Call add_output_section
14513         rather than add_initial_output_section.
14514         (Layout::finish_dynamic_section): Likewise.
14515
14516         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
14517         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
14518         know the dynamic type.
14519         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
14520         field.  Initialize it in constructor.
14521         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
14522         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
14523         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
14524         reloc.
14525
14526         * output.cc (Output_reloc::get_address): Change return type to
14527         Elf_Addr.
14528         * output.h (class Output_reloc): Update get_address declaration.
14529         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
14530         for section addresses.
14531
14532 2008-05-09  Ian Lance Taylor  <iant@google.com>
14533
14534         PR 6493
14535         * gold.cc (gold_nomem): Use return value of write.
14536
14537 2008-05-08  Ian Lance Taylor  <iant@google.com>
14538
14539         * symtab.c (Symbol::init_base_output_data): Add version
14540         parameter.  Change all callers.
14541         (Symbol::init_base_output_segment): Likewise.
14542         (Symbol::init_base_constant): Likewise.
14543         (Symbol::init_base_undefined): Likewise.
14544         (Sized_symbol::init_output_data): Likewise.
14545         (Sized_symbol::init_output_segment): Likewise.
14546         (Sized_symbol::init_constant): Likewise.
14547         (Sized_symbol::init_undefined): Likewise.
14548         (Symbol_table::do_define_in_output_data): If the new symbol has a
14549         version, mark it as the default.
14550         (Symbol_table::do_define_in_output_segment): Likewise.
14551         (Symbol_table::do_define_as_constant): Likewise.
14552         * symtab.h (class Symbol): Update declarations.
14553         (class Sized_symbol): Likewise.
14554         * resolve.cc (Symbol::override_version): New function.
14555         (Symbol::override_base): Call override_version.
14556         (Symbol::override_base_with_special): Likewise.
14557         * testsuite/ver_script_8.script: New file.
14558         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
14559         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
14560         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
14561         (ver_test_8_1.so, ver_test_8_2.so): New targets.
14562
14563 2008-05-06  Ian Lance Taylor  <iant@google.com>
14564
14565         PR 6049
14566         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
14567         functions.
14568         (class General_options): Remove existing --undefined, and add
14569         --no-undefined instead.  Add new --undefined as synonym for -u.
14570         * archive.cc (Archive::add_symbols): Check whether symbol was
14571         named with -u.
14572         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
14573         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
14574         all uses.  Add IS_UNDEFINED.  Update declarations to split
14575         different versions of init_base.  Declare init_base_undefined.
14576         (Symbol::is_defined): Handle IS_UNDEFINED.
14577         (Symbol::is_undefined): Likewise.
14578         (Symbol::is_weak_undefined): Call is_undefined.
14579         (Symbol::is_absolute): Handle IS_CONSTANT.
14580         (class Sized_symbol): Update declarations to split different
14581         versions of init.  Declare init_undefined.
14582         (class Symbol_table): Declare new functions.
14583         * symtab.cc (Symbol::init_base_object): Rename from init_base.
14584         Change all callers.
14585         (Symbol::init_base_output_data): Likewise.
14586         (Symbol::init_base_output_segment): Likewise.
14587         (Symbol::init_base_constant): Likewise.
14588         (Symbol::init_base_undefined): New function.
14589         (Sized_symbol::init_object): Rename from init.  Change all
14590         callers.
14591         (Sized_symbol::init_output_data): Likewise.
14592         (Sized_symbol::init_output_segment): Likewise.
14593         (Sized_symbol::init_constant): Likewise.
14594         (Sized_symbol::init_undefined): New function.
14595         (Symbol_table::add_undefined_symbols_from_command_line): New
14596         function.
14597         (Symbol_table::do_add_undefined_symbols_from_command_line): New
14598         function.
14599         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
14600         (Symbol::output_section): Likewise.
14601         (Symbol::set_output_section): Likewise.
14602         (Symbol_table::sized_finalize_symbol): Likewise.
14603         (Symbol_table::sized_write_globals): Likewise.
14604         * resolve.cc (Symbol_table::should_override): Likewise.
14605         (Symbol::override_base_with_special): Likewise.
14606
14607         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
14608         symbol, change it to have default visibility.
14609         * testsuite/protected_1.cc: New file.
14610         * testsuite/protected_2.cc: New file.
14611         * testsuite/protected_3.cc: New file.
14612         * testsuite/protected_main_1.cc: New file.
14613         * testsuite/protected_main_2.cc: New file.
14614         * testsuite/protected_main_3.cc: New file.
14615         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
14616         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
14617         (protected_1_LDFLAGS, protected_1_LDADD): Define.
14618         (protected_1.so): New target.
14619         (protected_1_pic.o, protected_2_pic.o): New targets.
14620         (protected_3_pic.o): New target.
14621         (check_PROGRAMS): Add protected_2.
14622         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
14623         (protected_2_LDFLAGS, protected_2_LDADD): Define.
14624         * testsuite/Makefile.in: Rebuild.
14625
14626         * options.h (DEFINE_var): Add set_user_set_##varname__.
14627         (DEFINE_bool_alias): New macro.
14628         (class General_options): Define -Bstatic using DEFINE_bool_alias
14629         rather than DEFINE_special.  Add --undefined as an alias for -z
14630         defs.
14631         * options.cc (General_options::parse_Bstatic): Remove.
14632
14633         * options.h (class General_options): Add --fatal-warnings.
14634         * main.cc (main): Implement --fatal-warnings.
14635         * errors.h (Errors::warning_count): New function.
14636
14637         * options.h (class General_options): Add -Bsymbolic-functions.
14638         * symtab.h (Symbol::is_preemptible): Check for
14639         -Bsymbolic-functions.
14640
14641 2008-05-05  Ian Lance Taylor  <iant@google.com>
14642
14643         * options.h (DEFINE_bool): For DASH_Z, create the negative option
14644         as noVARNAME rather than no-VARNAME.
14645         (class General_options): Add option -z combreloc.
14646         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
14647         get_address.
14648         (Output_reloc::sort_before) [SHT_REL]: New function.
14649         (Output_reloc::sort_before) [SHT_RELA]: New function.
14650         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
14651         Sort_relocs_comparison.
14652         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
14653         parameter.  Change all callers.
14654         (Output_data_reloc::Output_data_reloc) [both versions]: Add
14655         sort_relocs parameter.  Change all callers.
14656         * output.cc (Output_reloc::get_address): New function, broken out
14657         of write_rel.
14658         (Output_reloc::write_rel): Call it.
14659         (Output_reloc::compare): New function.
14660         (Output_data_reloc_base::do_write): Optionally sort relocs.
14661
14662         * configure.ac: If targ_extra_obj is set, link it in.
14663         * configure.tgt: Initialize all variables.
14664         (x86_64*): Set targ_extra_obj and targ_extra_size.
14665         * configure: Rebuild.
14666
14667         * object.cc (Sized_relobj::include_section_group): Adjust section
14668         indexes read from group data.  Build vector to pass to
14669         layout_group.
14670         * layout.cc (Layout::layout_group): Add flags and shndxes
14671         parameters.  Remove contents parameter.  Change caller.  Update
14672         explicit instantiations.
14673         * layout.h (class Layout): Update layout_group declaration.
14674         * output.cc (Output_data_group::Output_data_group): Add flags and
14675         input_shndxes parameters.  Remove contents parameter.  Change
14676         caller.
14677         (Output_data_group::do_write): Change input_sections_ to
14678         input_shndxes_.
14679         * output.h (class Output_data_group): Update constructor
14680         declaration.  Rename input_sections_ to input_shndxes_.
14681         * testsuite/many_sections_test.cc: Add template.
14682
14683 2008-04-30  Cary Coutant  <ccoutant@google.com>
14684
14685         * target-reloc.h (relocate_section): Fix dead-pointer bug.
14686
14687         * layout.cc (Layout::include_section): Refactored check for debug
14688         info section.
14689         (Layout::add_comdat): Add new parameters.  Change type
14690         of signature parameter.  Add object and shndx to signatures table.
14691         (Layout::find_kept_object): New function.
14692         * layout.h: Include <cstring>.
14693         (Layout::is_debug_info_section): New function.
14694         (Layout::add_comdat): Add new parameters.
14695         (Layout::find_kept_object): New function.
14696         (Layout::Kept_section): New struct.
14697         (Layout::Signatures): Change type of map range.
14698         * object.cc (Relobj::output_section_address): New function.
14699         (Sized_relobj::include_section_group): Add new parameters.  Change
14700         calls to Layout::add_comdat.  Change to build table of kept comdat
14701         groups and table mapping discarded sections to kept sections.
14702         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
14703         (Sized_relobj::do_layout): Change calls to include_section_group and
14704         include_linkonce_section.
14705         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
14706         value to zero when section is discarded.
14707         (Sized_relobj::map_to_kept_section): New function.
14708         * object.h (Relobj::output_section_address): New function.
14709         (Relobj::Comdat_group): New type.
14710         (Relobj::find_comdat_group): New function.
14711         (Relobj::Comdat_group_table): New type.
14712         (Relobj::Kept_comdat_section): New type.
14713         (Relobj::Kept_comdat_section_table): New type.
14714         (Relobj::add_comdat_group): New function.
14715         (Relobj::set_kept_comdat_section): New function.
14716         (Relobj::get_kept_comdat_section): New function.
14717         (Relobj::comdat_groups_): New field.
14718         (Relobj::kept_comdat_sections_): New field.
14719         (Symbol_value::input_value): Update comment.
14720         (Sized_relobj::map_to_kept_section) New function.
14721         (Sized_relobj::include_linkonce_section): Add new parameter.
14722         * target-reloc.h (Comdat_behavior): New type.
14723         (get_comdat_behavior): New function.
14724         (relocate_section): Add code to map a discarded section to the
14725         corresponding kept section when applying a relocation.
14726
14727 2008-04-30  Craig Silverstein  <csilvers@google.com>
14728
14729         * dwarf_reader.cc (next_generation_count): New static var.
14730         (Addr2line_cache_entry): New struct.
14731         (addr2line_cache): New static var.
14732         (Dwarf_line_info::one_addr2line): Added caching.
14733         (Dwarf_line_info::clear_addr2line_cache): New function.
14734         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
14735         cache-size parameter.
14736         (Dwarf_line_info::one_addr2line_cache): New function.
14737         * symtab.cc (Symbol_table::detect_odr_violations): Pass
14738         new cache-size argument to one_addr2line(), and clear cache.
14739
14740 2008-04-28  Cary Coutant  <ccoutant@google.com>
14741
14742         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
14743         R_386_PC8 relocations.
14744
14745 2008-04-23  Ian Lance Taylor  <iant@google.com>
14746
14747         * object.cc (Sized_relobj::include_section_group): Check for
14748         invalid section group.
14749
14750         * object.cc (make_elf_object): Correct test for 64-bit ELF file
14751         header size.
14752
14753         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
14754         than read for file header.
14755         * archive.cc (Archive::include_member): Likewise.
14756
14757 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
14758
14759         * aclocal.m4: Regenerate.
14760         * configure: Regenerate.
14761
14762 2008-04-19  Ian Lance Taylor  <iant@google.com>
14763
14764         * version.cc (version_string): Bump to 1.6.
14765
14766         * testsuite/Makefile.am (many_sections_r_test): New target.
14767         (many_sections_r_test_SOURCES): Remove.
14768         (many_sections_r_test_DEPENDENCIES): Remove.
14769         (many_sections_r_test_LDFLAGS): Remove.
14770         (many_sections_r_test_LDADD): Remove.
14771
14772         * object.cc (Sized_relobj::do_add_symbols): Always pass
14773         local_symbol_count_ to add_from_relobj.
14774
14775         * testsuite/Makefile.am (many_sections_check.h): Only check one in
14776         every thousand variables.
14777         * testsuite/Makefile.in: Rebuild.
14778
14779         * object.cc (Xindex::initialize_symtab_xindex): New function.
14780         (Xindex::read_symtab_xindex): New function.
14781         (Xindex::sym_xindex_to_shndx): New function.
14782         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
14783         available.
14784         (Sized_relobj::do_initialize_xindex): New function.
14785         (Sized_relobj::do_read_symbols): Adjust section links.
14786         (Sized_relobj::symbol_section_and_value): Add is_ordinary
14787         parameter.  Change all callers.
14788         (Sized_relobj::include_section_group): Adjust section links and
14789         symbol section indexes.
14790         (Sized_relobj::do_layout): Adjust section links.
14791         (Sized_relobj::do_count_local_symbols): Adjust section links and
14792         symbol section indexes.
14793         (Sized_relobj::do_finalize_local_symbols): Distinguish between
14794         ordinary and special symbols.
14795         (Sized_relobj::write_local_symbols): Add symtab_xindex and
14796         dynsym_xindex parameters.  Change all callers.  Adjust section
14797         links.  Use SHN_XINDEX when needed.
14798         (Sized_relobj::get_symbol_location_info): Adjust section links.
14799         Don't get fooled by special symbols.
14800         * object.h (class Xindex): Define.
14801         (class Object): Add xindex_ parameter.  Declare virtual functoin
14802         do_initialize_xindex.
14803         (Object::adjust_sym_shndx): New function.
14804         (Object::set_xindex): New protected function.
14805         (class Symbol_value): Add is_ordinary_shndx_ field.
14806         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
14807         (Symbol_value::value): Assert ordinary section.
14808         (Symbol_value::initialize_input_to_output_map): Likewise.
14809         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
14810         Change all callers.
14811         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
14812         all callers.
14813         (class Sized_relobj): Update declarations.
14814         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
14815         parameter.  Change all callers.
14816         (Sized_relobj::adjust_shndx): New function.
14817         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
14818         field.
14819         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
14820         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
14821         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
14822         (Sized_dynobj::read_dynsym_section): Adjust section links.
14823         (Sized_dynobj::read_dynamic): Likewise.
14824         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
14825         section links.
14826         (Sized_dynobj::do_initialize_xindex): New function.
14827         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
14828         do_initialize_xindex.
14829         (Sized_dynobj::adjust_shndx): New function.
14830         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
14831         dynsym_xindex_ fields.
14832         (Layout::finalize): Add a call to set_section_indexes before
14833         creating the symtab sections.
14834         (Layout::set_section_indexes): Don't do anything if the section
14835         already has a section index.
14836         (Layout::create_symtab_sections): Add shnum parameter.  Change
14837         caller.  Create .symtab_shndx section if needed.
14838         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
14839         caller.
14840         (Layout::allocated_output_section_count): New function.
14841         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
14842         needed.
14843         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
14844         fields.  Update declarations.
14845         (Layout::symtab_xindex): New function.
14846         (Layout::dynsym_xindex): New function.
14847         (class Write_symbols_task): Add layout_ field.
14848         (Write_symbols_task::Write_symbols_task): Add layout parameter.
14849         Change caller.
14850         * output.cc (Output_section_headers::Output_section_headers): Add
14851         shstrtab_section parameter.  Change all callers.
14852         (Output_section_headers::do_sized_write): Store overflow values
14853         for section count and section string table section index in
14854         section header zero.
14855         (Output_file_header::do_sized_write): Check for overflow of
14856         section count and section string table section index.
14857         (Output_symtab_xindex::do_write): New function.
14858         (Output_symtab_xindex::endian_do_write): New function.
14859         * output.h (class Output_section_headers): Add shstrtab_section_.
14860         Update declarations.
14861         (class Output_symtab_xindex): Define.
14862         (Output_section::has_out_shndx): New function.
14863         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
14864         field.
14865         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
14866         Change all callers.
14867         (Sized_symbol::init): Likewise.
14868         (Symbol::output_section): Check for ordinary symbol.
14869         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
14870         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
14871         callers.
14872         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
14873         Change all callers.  Simplify handling of symbols from sections
14874         not included in the link.
14875         (Symbol_table::add_from_dynobj): Handle ordinary symbol
14876         distinction.
14877         (Weak_alias_sorter::operator()): Assert that symbols are
14878         ordinary.
14879         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
14880         distinction.
14881         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
14882         parameters.  Change all callers.
14883         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
14884         symbol distinction.  Use SHN_XINDEX when needed.
14885         (Symbol_table::write_section_symbol): Add symtab_xindex
14886         parameter.  Change all callers.
14887         (Symbol_table::sized_write_section_symbol): Likewise.  Use
14888         SHN_XINDEX when needed.
14889         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
14890         declarations.
14891         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
14892         (Symbol::is_defined): Check is_ordinary.
14893         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
14894         (Symbol::is_absolute, Symbol::is_common): Likewise.
14895         (class Sized_symbol): Update declarations.
14896         (class Symbol_table): Update declarations.
14897         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
14898         parameters.  Change all callers.
14899         (Sized_symbol::override): Likewise.
14900         (Symbol_table::override): Likewise.
14901         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
14902         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
14903         is_ordinary, and orig_st_shndx parameters.  Change all callers.
14904         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
14905         to be in an ordinary section.
14906         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
14907         object and is_ordinary parameters.  Change all callers.
14908         (Sized_dwarf_line_info::read_relocs): Add object parameter.
14909         Change all callers.  Don't add undefined or non-ordinary symbols
14910         to reloc_map_.
14911         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
14912         Change all callers.
14913         * dwarf_reader.h (class Sized_dwarf_line_info): Update
14914         declarations.
14915         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
14916         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
14917         (Sized_relobj::relocate_sections): Likewise.
14918         * target-reloc.h (scan_relocs): Adjust section symbol index.
14919         (scan_relocatable_relocs): Likewise.
14920         * i386.cc (Scan::local): Check for ordinary symbols.
14921         * sparc.cc (Scan::local): Likewise.
14922         * x86_64.cc (Scan::local): Likewise.
14923         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
14924         to symbol_section_and_value.
14925         * testsuite/many_sections_test.cc: New file.
14926         * testsuite/Makefile.am (BUILT_SOURCES): Define.
14927         (check_PROGRAMS): Add many_sections_test.
14928         (many_sections_test_SOURCES): Define.
14929         (many_sections_test_DEPENDENCIES): Define.
14930         (many_sections_test_LDFLAGS): Define.
14931         (BUILT_SOURCES): Add many_sections_define.h.
14932         (many_sections_define.h): New target.
14933         (BUILT_SOURCES): Add many_sections_check.h.
14934         (many_sections_check.h): New target.
14935         (check_PROGRAMS): Add many_sections_r_test.
14936         (many_sections_r_test_SOURCES): Define.
14937         (many_sections_r_test_DEPENDENCIES): Define.
14938         (many_sections_r_test_LDFLAGS): Define.
14939         (many_sections_r_test_LDADD): Define.
14940         (many_sections_r_test.o): New target.
14941         * testsuite/Makefile.in: Rebuild.
14942
14943 2008-04-17  Cary Coutant  <ccoutant@google.com>
14944
14945         * errors.cc (Errors::info): New function.
14946         (gold_info): New function.
14947         * errors.h (Errors::info): New function.
14948         * gold.h (gold_info): New function.
14949         * object.cc (Input_objects::add_object): Print trace output.
14950         * options.cc (options::parse_set): New function.
14951         (General_options::parse_wrap): Deleted.
14952         (General_options::General_options): Deleted initializer.
14953         * options.h (options::String_set): New typedef.
14954         (options::parse_set): New function.
14955         (DEFINE_set): New macro.
14956         (General_options::wrap): Changed to use DEFINE_set. Changed
14957         callers of any_wrap_symbols and is_wrap_symbol.
14958         (General_options::trace, General_options::trace_symbol):
14959         New options.
14960         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
14961         (General_options::wrap_symbols_): Deleted.
14962         * symtab.cc (Symbol_table::add_from_object): Print trace output.
14963
14964 2008-04-17  David S. Miller  <davem@davemloft.net>
14965
14966         * options.cc (General_options::parse_V): New function.
14967         * options.h: Add entries for -V and -Qy.
14968
14969 2008-04-17  Ian Lance Taylor  <iant@google.com>
14970
14971         * common.cc (Symbol_table::allocate_commons): Remove options
14972         parameter.  Change caller.
14973         (Symbol_table::do_allocate_commons): Remove options parameter.
14974         Change caller.  Just call do_allocate_commons_list twice.
14975         (Symbol_table::do_allocate_commons_list): New function, broken out
14976         of do_allocate_commons.
14977         * common.h (class Allocate_commons_task): Remove options_ field.
14978         Update constructor.
14979         * symtab.cc (Symbol_table::Symbol_table): Initialize
14980         tls_commons_.
14981         (Symbol_table::add_from_object): Put TLS common symbols on
14982         tls_commons_ list.
14983         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
14984         which are IN_OUTPUT_DATA.
14985         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
14986         allocate_commons and do_allocate_commons declarations.  Declare
14987         do_allocate_commons_list.
14988         * gold.cc (queue_middle_tasks): Update creation of
14989         Allocate_commons_task to not pass options.
14990         * testsuite/Makefile.am (INCLUDES): Add -I.. .
14991         (TLS_TEST_C_FLAGS): New variable.
14992         (tls_test_c_pic.o): New target.
14993         (tls_test_shared.so): Link in tls_test_c_pic.o.
14994         (tls_test_c_pic_ie.o): New target.
14995         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
14996         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
14997         (tls_test_c.o): New target.
14998         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
14999         (tls_pic_test_LDADD): Likewise.
15000         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
15001         (tls_shared_gd_to_ie_test_LDADD): Likewise.
15002         (tls_test_c_gnu2.o): New target.
15003         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
15004         tls_test_c_gnu2.o.
15005         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
15006         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
15007         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
15008         * testsuite/tls_test.cc: Include "config.h".
15009         (t_last): Call t11_last.
15010         * testsuite/tls_test.h (t11, t11_last): Declare.
15011         * testsuite/tls_test_c.c: New file.
15012         * testsuite/tls_test_main.cc (thread_routine): Call t11.
15013         * configure.ac: Check for OpenMP support.
15014         * configure, config.in, Makefile.in: Rebuild.
15015         * testsuite/Makefile.in: Rebuild.
15016
15017 2008-04-16  Cary Coutant  <ccoutant@google.com>
15018
15019         * i386.cc (Target_i386::define_tls_base_symbol): New function.
15020         (Target_i386::tls_base_symbol_defined_): New field.
15021         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
15022         (Target_i386::Scan::global): Likewise.
15023         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
15024         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
15025         (Target_x86_64::tls_base_symbol_defined_): New field.
15026         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
15027         (Target_x86_64::Scan::global): Likewise.
15028
15029 2008-04-16  Cary Coutant  <ccoutant@google.com>
15030
15031         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
15032         (Symbol::needs_plt_entry): Allow weak undefined symbols.
15033         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
15034         building shared libraries.
15035         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
15036         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
15037         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
15038         * testsuite/Makefile.in: Rebuild.
15039         * testsuite/weak_undef.h: New file.
15040         * testsuite/weak_undef_file1.cc: Add extra test cases.
15041         * testsuite/weak_undef_file2.cc: Likewise.
15042         * testsuite/weak_undef_test.cc: Likewise.
15043
15044 2008-04-16  David S. Miller  <davem@davemloft.net>
15045
15046         * sparc.cc (Target_sparc::Scan): Change from struct to class.
15047         Add issued_non_pic_error_ field.  Declare check_non_pic.
15048         (Target_sparc::Scan::check_non_pic): New function.
15049         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
15050         (Target_sparc::Scan::global): Likewise.
15051
15052         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
15053         * configure: Rebuild.
15054
15055         * options.h (DEFINE_enable): New macro.
15056         (new_dtags): New enable option.
15057         (initfirst, interpose, loadfltr, nodefaultlib,
15058         nodelete, nodlopen, nodump): New -z options.
15059         * layout.cc (Layout:finish_dynamic_section): If new
15060         dtags enabled, emit DT_RUNPATH.  Also, emit a
15061         DT_FLAGS_1 containing any specified -z flags.
15062
15063 2008-04-16  Ian Lance Taylor  <iant@google.com>
15064
15065         * copy-relocs.cc: New file.
15066         * copy-relocs.h: New file.
15067         * reloc.cc: Remove Copy_relocs code.
15068         * reloc.h: Likewise.
15069         * reloc-types.h (struct Reloc_types) [both versions]: Add
15070         get_reloc_addend_noerror.
15071         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
15072         variants of add_global which take an addend which must be zero.
15073         * i386.cc: Include "copy-relocs.h".
15074         (class Target_i386): Change type of copy_relocs_ to variable,
15075         update initializer.
15076         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
15077         Change all callers.
15078         (Target_i386::do_finalize_sections): Change handling of
15079         copy_relocs_.
15080         * sparc.cc: Include "copy-relocs.h".
15081         (class Target_sparc): Change type of copy_relocs_ to variable,
15082         update initializer.
15083         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
15084         Change all callers.
15085         (Target_sparc::do_finalize_sections): Change handling of
15086         copy_relocs_.
15087         * x86_64.cc: Include "copy-relocs.h".
15088         (class Target_x86_64): Change type of copy_relocs_ to variable,
15089         update initializer.
15090         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
15091         class.  Change all callers.
15092         (Target_x86_64::do_finalize_sections): Change handling of
15093         copy_relocs_.
15094         * Makefile.am (CCFILES): Add copy-relocs.cc.
15095         (HFILES): Add copy-relocs.h.
15096
15097         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
15098
15099         * testsuite/script_test_4.sh: Permit leading zeroes.
15100
15101 2008-04-15  Ian Lance Taylor  <iant@google.com>
15102
15103         * script-sections.cc (Script_sections::create_segments): Use
15104         header_size_adjustment even when there is enough room for the
15105         headers.
15106         * testsuite/script_test_4.sh: New file.
15107         * testsuite/script_test_4.t: New file.
15108         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
15109         (check_DATA): Add script_test_4.stdout.
15110         (MOSTLYCLEANFILES): Likewise.
15111         (script_test_4): New target.
15112         (script_test_4.stdout): New target.
15113         * testsuite/Makefile.in: Rebuild.
15114
15115         * sparc.cc: Add definitions for Output_data_plt_sparc class
15116         constants.
15117
15118 2008-04-14  David S. Miller  <davem@davemloft.net>
15119
15120         * sparc.cc: New file.
15121         * Makefile.am (TARGETSOURCES): Add sparc.cc
15122         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
15123         * configure.tgt: Document targ_extra_size and
15124         targ_extra_big_endian.  Add entries for sparc-* and
15125         sparc64-*.
15126         * configure.ac: Handle targ_extra_size and
15127         targ_extra_big_endian.
15128         * Makefile.in: Rebuild.
15129         * configure: Likewise.
15130         * po/POTFILES.in: Likewise.
15131         * po/gold.pot: Likewise.
15132
15133 2008-04-14  Ian Lance Taylor  <iant@google.com>
15134
15135         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
15136         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
15137         in the name/type/flags to section mapping.  Don't call
15138         allocate_output_section.
15139         (Layout::choose_output_section): Change parameter from adjust_name
15140         to is_input_section.  Don't permit input sections after sections
15141         are attached to segments.  Don't call allocate_output_section.
15142         (Layout::layout_eh_frame): Call update_flags_for_input_section,
15143         not write_enable_output_section.
15144         (Layout::make_output_section): Don't push to
15145         unattached_section_list_ nor call attach_to_segment.  Call
15146         attach_section_to_segment if sections are attached.
15147         (Layout::attach_sections_to_segments): New function.
15148         (Layout::attach_section_to_segment): New function.
15149         (Layout::attach_allocated_section_to_segment): Rename from
15150         attach_to_segment.  Remove flags parameter.
15151         (Layout::allocate_output_section): Remove function.
15152         (Layout::write_enable_output_section): Remove function.
15153         * layout.h (class Layout): Update for above changes.  Add new
15154         field sections_are_attached_.
15155         * output.h (Output_section::update_flags_for_input_section): New
15156         function.
15157         * output.cc (Output_section::add_input_section): Call
15158         update_flags_for_input_section.
15159         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
15160
15161 2008-04-11  Cary Coutant  <ccoutant@google.com>
15162
15163         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
15164         thought unnecessary.
15165         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
15166
15167 2008-04-11  Ian Lance Taylor  <iant@google.com>
15168
15169         * output.h (class Output_section_data): Remove inline definition
15170         of set_addralign.
15171         * output.cc (Output_section_data::set_addralign): New function.
15172
15173 2008-04-11  Cary Coutant  <ccoutant@google.com>
15174
15175         Add support for TLS descriptors for i386 and x86_64.
15176         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
15177         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
15178         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
15179         GOT_TYPE_TLS_DESC.
15180         (Target_i386::got_mod_index_entry): Remove unnecessary code.
15181         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
15182         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
15183         relocations.
15184         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
15185         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
15186         Fix problem with initial-exec relocations.
15187         (Target_i386::Relocate::relocate_tls): Likewise.
15188         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
15189         relaxation.
15190         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
15191         support for section-plus-offset dynamic table entries.
15192         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
15193         (Output_data_dynamic::Dynamic_entry): Add support for
15194         section-plus-offset dynamic table entries.
15195         (Output_data_dynamic::Classification): Likewise.
15196         (Output_data_dynamic::classification_): Renamed offset_.
15197         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
15198         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
15199         (Target_x86_64::make_plt_section): New function.
15200         (Target_x86_64::reserve_tlsdesc_entries): New function.
15201         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
15202         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
15203         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
15204         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
15205         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
15206         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
15207         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
15208         add extra PLT entry for TLS descriptors.
15209         (Output_data_plt_x86_64::got_): New field.
15210         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
15211         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
15212         fields.
15213         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
15214         descriptors.
15215         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
15216         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
15217         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
15218         R_386_TLS_DESC_CALL relocations.
15219         (Target_x86_64::Scan::global): Likewise.
15220         (Target_x86_64::do_finalize_sections): Add dynamic table entries
15221         for TLS descriptors.
15222         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
15223         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
15224         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
15225         GD-to-IE relaxation.
15226         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
15227         and TLS_DESCRIPTORS.
15228         * Makefile.in: Rebuild.
15229         * configure: Rebuild.
15230         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
15231         (tls_test_shared2.so): New target.
15232         (tls_shared_gd_to_ie_test_SOURCES): New variable.
15233         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
15234         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
15235         (tls_shared_gd_to_ie_test_LDADD): New variable.
15236         (tls_shared_gnu2_gd_to_ie_test): New target.
15237         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
15238         New targets.
15239         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
15240         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
15241         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
15242         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
15243         (tls_shared_gnu2_test): New target.
15244         (tls_test_gnu2_shared.so): New target.
15245         (tls_shared_gnu2_test_SOURCES): New variable.
15246         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
15247         (tls_shared_gnu2_test_LDFLAGS): New variable.
15248         (tls_shared_gnu2_test_LDADD): New variable.
15249         * testsuite/Makefile.in: Rebuild.
15250         * testsuite/Makefile.
15251
15252 2008-04-11  Ian Lance Taylor  <iant@google.com>
15253
15254         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
15255         justsyms.t.
15256         * testsuite/Makefile.in: Rebuild.
15257
15258         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
15259         long.
15260         * testsuite/script_test_2.cc (main): Adjust test.
15261
15262 2008-04-11  David S. Miller  <davem@davemloft.net>
15263             Ian Lance Taylor  <iant@google.com>
15264
15265         * options.h (General_options): Add entries for '-Y' and
15266         '-relax'.
15267         * options.cc (General_options:finalize): If -Y was used, add those
15268         entries to the library path instead of the default "/lib" and
15269         "/usr/lib".
15270
15271 2008-04-11  David S. Miller  <davem@davemloft.net>
15272
15273         * testsuite/justsyms.t: Start at 0x100.
15274         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
15275         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
15276         long.
15277         * testsuite/script_test_2.cc: Adjust string and section length
15278         checks.
15279
15280 2008-04-09  Ian Lance Taylor  <iant@google.com>
15281
15282         PR gold/5996
15283         * script-sections.cc (Sections_element::allocate_to_segment): Add
15284         orphan parameter.
15285         (Output_section_definition::allocate_to_segment): Likewise.
15286         (Orphan_output_section::allocate_to_segment): Likewise.
15287         (Script_sections::attach_sections_using_phdrs_clause): Don't
15288         propagate non-PT_LOAD segments to orphan sections.
15289         * testsuite/Makefile.am (script_test_3.stdout): Generate using
15290         readelf rather than objdump.
15291         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
15292         .interp section and PT_INTERP segment are the same size.
15293         * testsuite/Makefile.in: Rebuild.
15294
15295         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
15296         aliases for symbols defined in the same object.
15297         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
15298         (weak_alias_test_SOURCES): New variable.
15299         (weak_alias_test_DEPENDENCIES): New variable.
15300         (weak_alias_test_LDFLAGS): New variable.
15301         (weak_alias_test_LDADD): New variable.
15302         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
15303         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
15304         (weak_alias_test_3.o): New target.
15305         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
15306         * testsuite/weak_alias_test_main.cc: New file.
15307         * testsuite/weak_alias_test_1.cc: New file.
15308         * testsuite/weak_alias_test_2.cc: New file.
15309         * testsuite/weak_alias_test_3.cc: New file.
15310
15311 2008-04-08  Ian Lance Taylor  <iant@google.com>
15312
15313         * options.h (class General_options): Add --noinhibit-exec option.
15314         * main.cc (main): Check --noinhibit-exec.
15315
15316         * options.h (class General_options): Define --wrap as a special
15317         option.  Add wrap_symbols_ field.
15318         (General_options::any_wrap_symbols): New function.
15319         (General_options::is_wrap_symbol): New function.
15320         * options.cc (General_options::parse_wrap): New function.
15321         (General_options::General_options): Initialize wrap_symbols_.
15322         * symtab.cc (Symbol_table::wrap_symbol): New function.
15323         (Symbol_table::add_from_object): Handle --wrap.
15324         * symtab.h (class Symbol_table): Declare wrap_symbol.
15325         * target.h (Target::wrap_char): New function.
15326         (Target::Target_info): Add wrap_char field.
15327         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
15328         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
15329         * testsuite/testfile.cc (Target_test::test_target_info):
15330         Likewise.
15331
15332         * errors.cc (Errors::undefined_symbol): Mention symbol version if
15333         there is one.
15334
15335         * layout.h (class Layout): Add added_eh_frame_data_ field.
15336         * layout.cc (Layout::Layout): Initialize new field.
15337         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
15338         output section until we find a section we merged successfully.
15339         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
15340         that the size be non-zero.
15341
15342         * merge.cc (Object_merge_map::get_output_offset): Remove inline
15343         qualifier.
15344
15345 2008-04-08  Craig Silverstein  <csilvers@google.com>
15346
15347         * configure.ac: Export new conditional variable HAVE_ZLIB.
15348         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
15349         on HAVE_ZLIB.
15350         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
15351         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
15352
15353 2008-04-07  Ian Lance Taylor  <iant@google.com>
15354
15355         * version.cc (version_string): Set to "1.5".
15356
15357         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
15358         Add issued_non_pic_error_ field.  Declare check_non_pic.
15359         (Target_x86_64::Scan::check_non_pic): New function.
15360         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
15361         (Target_x86_64::Scan::global): Likewise.
15362
15363         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
15364         addend parameter.  Change caller.  Handle merge sections.
15365         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
15366         Address to Addend.  Don't add in the result of
15367         local_section_offset, pass down the addend and use the returned
15368         value.
15369         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
15370         Update declarations of local_section_offset and symbol_value.
15371         * testsuite/two_file_test_1.cc (t18): New function.
15372         * testsuite/two_file_test_2.cc (f18): New function.
15373         * testsuite/two_file_test_main.cc (main): Call t18.
15374         * testsuite/two_file_test.h (t18, f18): Declare.
15375
15376         * configure.ac: Don't test for objdump, c++filt, or readelf.
15377         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
15378         conditionals.
15379         (TEST_READELF): New variable.
15380         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
15381         (check_PROGRAMS): Add two_file_strip_test.
15382         (two_file_strip_test): New target.
15383         (check_PROGRAMS): Add two_file_same_shared_strip_test.
15384         (two_file_same_shared_strip_test_SOURCES): New variable.
15385         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
15386         (two_file_same_shared_strip_test_LDFLAGS): New variable.
15387         (two_file_same_shared_strip_test_LDADD): New variable.
15388         (two_file_shared_strip.so): New target.
15389         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
15390         (ver_test_5.syms, ver_test_7.syms): Likewise.
15391         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
15392         (strip_test_3.stdout): Use TEST_OBJDUMP.
15393         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
15394
15395 2008-04-04  Cary Coutant  <ccoutant@google.com>
15396
15397         * symtab.h (Symbol::is_weak_undefined): New function.
15398         (Symbol::is_strong_undefined): New function.
15399         (Symbol::is_absolute): New function.
15400         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
15401         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
15402         absolute symbols.
15403         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
15404         (weak_undef_test): New target.
15405         * testsuite/Makefile.in: Rebuild.
15406         * testsuite/weak_undef_file1.cc: New file.
15407         * testsuite/weak_undef_file2.cc: New file.
15408         * testsuite/weak_undef_test.cc: New file.
15409
15410 2008-04-03  Craig Silverstein  <csilvers@google.com>
15411
15412         * compressed_output.h (class Output_compressed_section): Use
15413         unsigned buffer.
15414         * compressed_output.cc (zlib_compress): Use unsigned buffers,
15415         add zlib header.
15416         (zlib_compressed_suffix): Removed.
15417         (Output_compressed_section::set_final_data_size): Use unsigned
15418         buffers.
15419         * testsuite/Makefile.am (flagstest_compress_debug_sections):
15420         Fix linker invocation.
15421         (flagstest_o_specialfile_and_compress_debug_sections):
15422         Likewise.
15423         * testsuite/Makefile.in: Regenerated.
15424
15425 2008-04-02  David S. Miller  <davem@davemloft.net>
15426
15427         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
15428         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
15429
15430 2008-04-02  Craig Silverstein  <csilvers@google.com>
15431
15432         * TODO: New file.
15433
15434 2008-04-02  Ian Lance Taylor  <iant@google.com>
15435
15436         * fileread.cc (File_read::find_view): Add byteshift and vshifted
15437         parameters.  Update for new key type to views_.  Change all
15438         callers.
15439         (File_read::read): Adjust for byteshift in returned view.
15440         (File_read::add_view): New function, broken out of
15441         find_and_make_view.
15442         (File_read::make_view): New function, broken out of
15443         find_and_make_view.
15444         (File_read::find_or_make_view): Add offset and aligned
15445         parameters.  Rewrite accordingly.  Change all callers.
15446         (File_read::get_view): Add offset and aligned parameters.  Adjust
15447         for byteshift in return value.
15448         (File_read::get_lasting_view): Likewise.
15449         * fileread.h (class File_read): Update declarations.
15450         (class File_read::View): Add byteshift_ field.  Add byteshift to
15451         constructor.  Add byteshift method.
15452         * archive.h (Archive::clear_uncached_views): New function.
15453         (Archive::get_view): Add aligned parameter.  Change all callers.
15454         * object.h (Object::get_view): Add aligned parameter.  Change all
15455         callers.
15456         (Object::get_lasting_view): Likewise.
15457
15458         * fileread.cc (File_read::release): Don't call clear_views if
15459         there are multiple objects.
15460         * fileread.h (File_read::clear_uncached_views): New function.
15461         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
15462         on the archive.
15463
15464 2008-03-31  Cary Coutant  <ccoutant@google.com>
15465
15466         Add thin archive support.
15467         * archive.cc (Archive::armagt): New const.
15468         (Archive::setup): Remove task parameter and calls to unlock.
15469         (Archive::unlock_nested_archives): New function.
15470         (Archive::read_header): Add nested_off parameter. Change
15471         all callers.
15472         (Archive::interpret_header): Likewise.
15473         (Archive::include_all_members): Change to handle thin
15474         archives.
15475         (Archive::include_member): Likewise.
15476         * archive.h (Archive::Archive): Add new parameters and
15477         initializers.
15478         (Archive::armagt): New const.
15479         (Archive::setup): Remove task parameter.
15480         (Archive::unlock_nested_archives): New function.
15481         (Archive::read_header): Add nested_off parameter.
15482         (Archive::interpret_header): Likewise.
15483         (Archive::Nested_archive_table): New typedef.
15484         (Archive::is_thin_archive_): New field.
15485         (Archive::nested_archives_): New field.
15486         (Archive::options_): New field.
15487         (Archive::dirpath_): New field.
15488         (Archive::task_): New field.
15489         * readsyms.cc (Read_symbols::do_read_symbols): Add check
15490         for thin archives.  Pass additional parameters to
15491         Archive::Archive.  Unlock the archive file after calling
15492         Archive::setup.
15493
15494 2008-03-29  Ian Lance Taylor  <iant@google.com>
15495
15496         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
15497         version symbol to be local.
15498         * testsuite/ver_test_4.sh: New file.
15499         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
15500         (check_DATA): Add ver_test_4.syms.
15501         (ver_test_4.syms): New target.
15502         * testsuite/Makefile.in: Rebuild.
15503
15504         * output.cc
15505         (Output_section::Input_section_sort_entry::has_priority): New
15506         function.
15507         (Output_section::Input_section_sort_entry::match_file_name): New
15508         function.
15509         (Output_section::Input_section_sort_entry::match_section_name):
15510         Remove.
15511         (Output_section::Input_section_sort_entry::match_section_name_prefix):
15512         Remove.
15513         (Output_section::Input_section_sort_entry::match_section_file):
15514         Remove.
15515         (Output_section::Input_section_sort_compare::operator()): Rewrite
15516         using new Input_section_sort_entry functions.  Sort crtbegin and
15517         crtend first.  Sort sections with no priority before sections with
15518         a priority.
15519         * testsuite/initpri1.c (d3): Check j != 4.
15520         (cd5): New constructor/destructor function.
15521         (main): Check j != 2.
15522
15523         * symtab.cc (Symbol_table::add_from_object): If we don't use the
15524         new symbol when resolving, don't call set_is_default.
15525         * testsuite/ver_test_7.cc: New file.
15526         * testsuite/ver_test_7.sh: New file.
15527         * testsuite/Makefile.am (ver_test_7.so): New target.
15528         (ver_test_7.o): New target.
15529         (check_SCRIPTS): Add ver_test_7.sh.
15530         (check_DATA): Add ver_test_7.syms.
15531         (ver_test_7.syms): New target.
15532
15533 2008-03-28  Ian Lance Taylor  <iant@google.com>
15534
15535         * layout.cc (Layout::layout): If we see an input section with a
15536         name that needs sorting, set the must_sort flag for the output
15537         section.
15538         (Layout::make_output_section): If the name of the output section
15539         indicates that it might require sorting, set the may_sort flag.
15540         * output.h (Output_section::may_sort_attached_input_sections): New
15541         function.
15542         (Output_section::set_may_sort_attached_input_sections): New
15543         function.
15544         (Output_section::must_sort_attached_input_sections): New
15545         function.
15546         (Output_section::set_must_sort_attached_input_sections): New
15547         function.
15548         (class Output_section): Declare Input_section_sort_entry.  Define
15549         Input_section_sort_compare.  Declare
15550         sort_attached_input_sections.  Add new fields:
15551         may_sort_attached_input_sections_,
15552         must_sort_attached_input_sections_,
15553         attached_input_sections_are_sorted_.
15554         * output.cc (Output_section::Output_section): Initialize new
15555         fields.
15556         (Output_section::add_input_section): Add an entry to
15557         input_sections_ if may_sort or must_sort are true.
15558         (Output_section::set_final_data_size): Call
15559         sort_attached_input_sections if necessary.
15560         (Output_section::Input_section_sort_entry): Define new class.
15561         (Output_section::Input_section_sort_compare::operator()): New
15562         function.
15563         (Output_section::sort_attached_input_sections): New function.
15564         * configure.ac: Check whether the compiler supports constructor
15565         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
15566         * testsuite/initpri1.c: New file.
15567         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
15568         CONSTRUCTOR_PRIORITY.
15569         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
15570         (initpri1_LDFLAGS): New variable.
15571         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
15572
15573 2008-03-27  Ian Lance Taylor  <iant@google.com>
15574
15575         * common.cc (Sort_commons::operator): Correct sorting algorithm.
15576         * testsuite/common_test_1.c: New file.
15577         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
15578         (common_test_1_SOURCES): New variable.
15579         (common_test_1_DEPENDENCIES): New variable.
15580         (common_test_1_LDFLAGS): New variable.
15581
15582         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
15583         and commons_ correctly when NAME/VERSION does not override
15584         NAME/NULL.
15585         * testsuite/ver_test_6.c: New file.
15586         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
15587         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
15588         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
15589
15590 2008-03-26  Ian Lance Taylor  <iant@google.com>
15591
15592         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
15593         of an undefined symbol from a version script.
15594         * testsuite/Makefile.am (ver_test_5.so): New target.
15595         (ver_test_5.o): New target.
15596         (check_SCRIPTS): Add ver_test_5.sh.
15597         (check_DATA): Add ver_test_5.syms.
15598         (ver_test_5.syms): New target.
15599         * testsuite/ver_test_5.cc: New file.
15600         * testsuite/ver_test_5.script: New file.
15601         * testsuite/ver_test_5.sh: New file.
15602         * Makefile.in, testsuite/Makefile.in: Rebuild.
15603
15604         PR gold/5986
15605         Fix problems building gold with gcc 4.3.0.
15606         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
15607         (gold_error_at_location, gold_warning_at_location): Use it.
15608         * configure.ac: Check whether we can compile and use a template
15609         function with a printf attribute.
15610         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
15611         when jumping over bytes.
15612         * object.cc: Instantiate Object::read_section_data.
15613         * debug.h: Include <cstring>
15614         * dwarf_reader.cc: Include <algorithm>
15615         * main.cc: Include <cstring>.
15616         * options.cc: Include <cstring>.
15617         * output.cc: Include <cstring>.
15618         * script.cc: Include <cstring>.
15619         * script.h: Include <string>.
15620         * symtab.cc: Include <cstring> and <algorithm>.
15621         * target-select.cc: Include <cstring>.
15622         * version.cc: Include <string>.
15623         * testsuite/testmain.cc: Include <cstdlib>.
15624         * configure, config.in: Rebuild.
15625
15626 2008-03-25  Ian Lance Taylor  <iant@google.com>
15627
15628         * options.cc: Include "../bfd/bfdver.h".
15629         (options::help): Print bug reporting address.
15630
15631         * version.cc (print_version): Adjust output for current value of
15632         BFD_VERSION_STRING.
15633
15634         * NEWS: New file.
15635
15636         * options.cc (options::help): Print list of supported targets.
15637         * target-select.h: Include <vector>.
15638         (class Target_selector): Make machine_, size_, and is_big_endian_
15639         fields const.  Add bfd_name_ and instantiated_target_ fields.
15640         (Target_selector::Target_selector): Add bfd_name parameter.
15641         (Target_selector::recognize): Make non-virtual, call
15642         do_recognize.
15643         (Target_selector::recognize_by_name): Make non-virtual, call
15644         do_recognize_by_name.
15645         (Target_selector::supported_names): New function.
15646         (Target_selector::bfd_name): New function.
15647         (Target_selector::do_instantiate_target): New pure virtual
15648         function.
15649         (Target_selector::do_recognize): New virtual function.
15650         (Target_selector::do_recognize_by_name): New virtual function.
15651         (Target_selector::instantiate_target): New private function.
15652         (supported_target_names): Declare.
15653         * target-select.cc (Target_selector::Target_selector): Update for
15654         new parameter and fields.
15655         (select_target_by_name): Check that the name matches before
15656         calling recognize_by_name.
15657         (supported_target_names): New function.
15658         * i386.cc (class Target_selector_i386): Update Target_selector
15659         constructor call.  Remove recognize and recognize_by_name.  Add
15660         do_instantiate_target.
15661         * x86_64.cc (class Target_selector_x86_64): Likewise.
15662         * testsuite/testfile.cc (class Target_selector_test): Update for
15663         changes to Target_selector.
15664
15665         * README: Rewrite, with some notes on unsupported features.
15666
15667 2008-03-24  Cary Coutant  <ccoutant@google.com>
15668
15669         * i386.cc (Target_i386::Got_type): New enum declaration.
15670         (Target_i386::Scan::local): Updated callers of Output_data_got
15671         member functions.
15672         (Target_i386::Scan::global): Likewise.
15673         (Target_i386::Relocate::relocate): Likewise.
15674         (Target_i386::Relocate::relocate_tls): Likewise.
15675         * object.h (Got_offset_list): New class.
15676         (Sized_relobj::local_has_got_offset): Added got_type parameter.
15677         (Sized_relobj::local_got_offset): Likewise.
15678         (Sized_relobj::set_local_got_offset): Likewise.
15679         (Sized_relobj::local_has_tls_got_offset): Removed.
15680         (Sized_relobj::local_tls_got_offset): Removed.
15681         (Sized_relobj::set_local_tls_got_offset): Removed.
15682         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
15683         * output.cc (Output_data_got::add_global): Added got_type parameter.
15684         (Output_data_got::add_global_with_rel): Likewise.
15685         (Output_data_got::add_global_with_rela): Likewise.
15686         (Output_data_got::add_global_pair_with_rel): New function.
15687         (Output_data_got::add_global_pair_with_rela): New function.
15688         (Output_data_got::add_local): Added got_type parameter.
15689         (Output_data_got::add_local_with_rel): Likewise.
15690         (Output_data_got::add_local_with_rela): Likewise.
15691         (Output_data_got::add_local_pair_with_rel): New function.
15692         (Output_data_got::add_local_pair_with_rela): New function.
15693         (Output_data_got::add_global_tls): Removed.
15694         (Output_data_got::add_global_tls_with_rel): Removed.
15695         (Output_data_got::add_global_tls_with_rela): Removed.
15696         (Output_data_got::add_local_tls): Removed.
15697         (Output_data_got::add_local_tls_with_rel): Removed.
15698         (Output_data_got::add_local_tls_with_rela): Removed.
15699         * output.h (Output_data_got::add_global): Added got_type parameter.
15700         (Output_data_got::add_global_with_rel): Likewise.
15701         (Output_data_got::add_global_with_rela): Likewise.
15702         (Output_data_got::add_global_pair_with_rel): New function.
15703         (Output_data_got::add_global_pair_with_rela): New function.
15704         (Output_data_got::add_local): Added got_type parameter.
15705         (Output_data_got::add_local_with_rel): Likewise.
15706         (Output_data_got::add_local_with_rela): Likewise.
15707         (Output_data_got::add_local_pair_with_rel): New function.
15708         (Output_data_got::add_local_pair_with_rela): New function.
15709         (Output_data_got::add_global_tls): Removed.
15710         (Output_data_got::add_global_tls_with_rel): Removed.
15711         (Output_data_got::add_global_tls_with_rela): Removed.
15712         (Output_data_got::add_local_tls): Removed.
15713         (Output_data_got::add_local_tls_with_rel): Removed.
15714         (Output_data_got::add_local_tls_with_rela): Removed.
15715         * resolve.cc (Symbol::override_base_with_special): Removed
15716         reference to has_got_offset_ field.
15717         * symtab.cc (Symbol::init_fields): Replaced initialization
15718         of got_offset_ with got_offsets_.  Removed initialization
15719         of has_got_offset_
15720         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
15721         (Symbol::got_offset): Likewise.
15722         (Symbol::set_got_offset): Likewise.
15723         (Symbol::has_tls_got_offset): Removed.
15724         (Symbol::tls_got_offset): Removed.
15725         (Symbol::set_tls_got_offset): Removed.
15726         (Symbol::got_offset_): Removed.
15727         (Symbol::tls_mod_got_offset_): Removed.
15728         (Symbol::tls_pair_got_offset_): Removed.
15729         (Symbol::got_offsets_): New field.
15730         (Symbol::has_got_offset): Removed.
15731         (Symbol::has_tls_mod_got_offset): Removed.
15732         (Symbol::has_tls_pair_got_offset): Removed.
15733         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
15734         (Target_x86_64::Scan::local): Updated callers of Output_data_got
15735         member functions.
15736         (Target_x86_64::Scan::global): Likewise.
15737         (Target_x86_64::Relocate::relocate): Likewise.
15738         (Target_x86_64::Relocate::relocate_tls): Likewise.
15739
15740 2008-03-25  Ben Elliston  <bje@au.ibm.com>
15741
15742         * yyscript.y: Fix spelling error in comment.
15743
15744 2008-03-24  Ian Lance Taylor  <iant@google.com>
15745
15746         * options.h (class General_options): Define build_id option.
15747         * layout.h (class Layout): Declare write_build_id, create_note,
15748         create_build_id.  Add build_id_note_ member.
15749         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
15750         "libiberty.h", "md5.h", "sha1.h".
15751         (Layout::Layout): Initialize eh_frame_data_,
15752         eh_frame_hdr_section_, and build_id_note_.
15753         (Layout::finalize): Call create_build_id.
15754         (Layout::create_note): New function, broken out of
15755         Layout::create_gold_note.
15756         (Layout::create_gold_note): Call create_note.
15757         (Layout::create_build_id): New function.
15758         (Layout::write_build_id): New function.
15759         (Close_task_runner::run): Call write_build_id.
15760
15761         * x86_64.cc: Correct license to GPLv3.
15762
15763 2008-03-23  Ian Lance Taylor  <iant@google.com>
15764
15765         * options.cc: Include "demangle.h".
15766         (parse_optional_string): New function.
15767         (parse_long_option): Handle takes_optional_argument.
15768         (parse_short_option): Update dash_z initializer.  Handle
15769         takes_optional_argument.
15770         (General_options::General_options): Initialize do_demangle_.
15771         (General_options::finalize): Set do_demangle_.  Handle demangling
15772         style.
15773         * options.h (parse_optional_string): Declare.
15774         (struct One_option): Add optional_arg field.  Update constructor.
15775         Update call constructor calls.  Add takes_optional_argument
15776         function.
15777         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
15778         (DEFINE_optional_string): Define.
15779         (General_options::demangle): Change from DEFINE_bool to
15780         DEFINE_optional_string.
15781         (General_options::no_demangle): New function.
15782         (General_options::do_demangle): New function.
15783         (General_options::set_do_demangle): New function.
15784         (General_options::execstack_status_): Move definition to end of
15785         class definition.
15786         (General_options::static_): Likewise.
15787         (General_options::do_demangle_): New field.
15788         * object.cc (big_endian>::get_symbol_location_info): Call
15789         Options::do_demangle, not Options::demangle.
15790         * symtab.cc (demangle): Likewise.
15791
15792 2008-03-22  Ian Lance Taylor  <iant@google.com>
15793
15794         * gold.h: Include <cstddef> and <sys/types.h>
15795         * options.h: Include <cstring>.
15796
15797 2008-03-21  Ian Lance Taylor  <iant@google.com>
15798
15799         * Added source code to GNU binutils.
15800 \f
15801 Copyright (C) 2008-2014 Free Software Foundation, Inc.
15802
15803 Copying and distribution of this file, with or without modification,
15804 are permitted in any medium without royalty provided the copyright
15805 notice and this notice are preserved.
15806
15807 Local Variables:
15808 mode: change-log
15809 left-margin: 8
15810 fill-column: 74
15811 version-control: never
15812 End: