gold/ChangeLog

   1 2012-07-30  Nick Clifton  <nickc@redhat.com>
   2
   3         * po/gold.pot: Updated template.
   4         * po/es.po: Updated Spanish translation.
   5
   6 2012-07-18  Cary Coutant  <ccoutant@google.com>
   7
   8         PR gold/14344
   9         * configure.ac: Add check for -gpubnames support.
  10         * configure: Regenerate.
  11         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
  12         support; force -gno-pubnames.
  13         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
  14         support.
  15         (gdb_index_test_4): New test.
  16         * testsuite/Makefile.in: Regenerate.
  17         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
  18         * testsuite/gdb_index_test_2.sh: Likewise.
  19         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
  20         * testsuite/gdb_index_test_4.sh: New script.
  21         * testsuite/gdb_index_test_comm.sh: New script with common code;
  22         don't look for space after colon.
  23
  24 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
  25
  26         * gold.cc (queue_middle_tasks): Update function order only after
  27         deferred objects due to plugins are processed.
  28
  29 2012-07-11  Ian Lance Taylor  <iant@google.com>
  30
  31         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
  32         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
  33         (Target_arm::scan_reloc_for_stub): Likewise.
  34         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
  35         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
  36         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
  37         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
  38         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
  39
  40 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
  41             Ian Lance Taylor  <iant@google.com>
  42
  43         PR gold/14309
  44         * configure.ac: Test whether std::tr1::hash<off_t> works.
  45         * gold.h: Add a specialization for std::tr1::hash<off_t> if
  46         needed.
  47         * output.h (class Output_fill): Add virtual destructor.
  48         * configure, config.in: Rebuild.
  49
  50 2012-06-22  Roland McGrath  <mcgrathr@google.com>
  51
  52         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
  53
  54 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
  55
  56         * plugin.cc (Plugin::load): Handle position independent executables.
  57
  58 2012-06-06  Cary Coutant  <ccoutant@google.com>
  59
  60         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
  61         add .debug_macro.
  62         (lines_only_debug_sections): Likewise.
  63         (gdb_fast_lookup_sections): New static array.
  64         (is_gdb_debug_section): Rename formal parameter.
  65         (is_lines_only_debug_section): Likewise.
  66         (is_gdb_fast_lookup_section): New function.
  67         (Layout::include_section): Check for ".zdebug_" prefix; pass
  68         section name suffix to is_gdb_debug_section, et al.; check for
  69         fast-lookup sections when building .gdb_index.
  70         * options.h (--strip-debug-gdb): Update GDB version number.
  71
  72 2012-06-06  Cary Coutant  <ccoutant@google.com>
  73
  74         * configure.ac: Add check for fallocate.
  75         * configure: Regenerate.
  76         * config.in: Regenerate.
  77
  78         * options.h (class General_options): Add --mmap-output-file and
  79         --posix-fallocate options.
  80         * output.cc: (posix_fallocate): Remove; replace with...
  81         (gold_fallocate): New function.
  82         (Output_file::map_no_anonymous): Call gold_fallocate.
  83         (Output_file::map): Check --mmap-output-file option.
  84
  85 2012-06-05  Jing Yu  <jingyu@google.com>
  86
  87         * gold.h (textdomain): Add do {} to empty while(0).
  88         (bindtextdomain): Likewise.
  89
  90 2012-06-04  Cary Coutant  <ccoutant@google.com>
  91
  92         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
  93         has_dynsym_index.
  94
  95 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
  96
  97         * symtab.cc (Symbol_table::define_special_symbol):
  98         Initialize *poldsym to prevent uninitialized variable errors.
  99
 100 2012-05-23  Cary Coutant  <ccoutant@google.com>
 101
 102         * layout.cc (Layout::section_name_mapping): Add rules to handle
 103         exact match on .data.rel.ro.local or .data.rel.ro.
 104         (Layout::output_section_name): Check for exact matches.
 105
 106 2012-05-23  Cary Coutant  <ccoutant@google.com>
 107
 108         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
 109         more carefully.
 110
 111 2012-05-22  Cary Coutant  <ccoutant@google.com>
 112
 113         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
 114         object before exporting symbol.
 115
 116 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 117
 118         * testsuite/tls_test.cc: Include "config.h" first.
 119         * testsuite/tls_test_c.c: Likewise.
 120
 121 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
 122             Nick Clifton  <nickc@redhat.com>
 123
 124         PR 14072
 125         * configure.in: Add check that sysdep.h has been included before
 126         any system header files.
 127         * configure: Regenerate.
 128         * config.in: Regenerate.
 129
 130 2012-05-14  Cary Coutant  <ccoutant@google.com>
 131
 132         * layout.cc (Layout::make_output_section): Mark .tdata section
 133         as RELRO.
 134         * testsuite/relro_test.cc: Add a TLS variable.
 135
 136 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
 137
 138         PR gold/14091
 139         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
 140         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
 141         R_X86_64_64.
 142
 143 2012-05-08  Cary Coutant  <ccoutant@google.com>
 144
 145         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
 146         (lines_only_debug_sections): Likewise.
 147
 148 2012-05-02  Roland McGrath  <mcgrathr@google.com>
 149
 150         * nacl.cc: New file.
 151         * nacl.h: New file.
 152         * Makefile.am (CCFILES, HFILES): Add them.
 153         * Makefile.in: Regenerate.
 154         * i386.cc (Output_data_plt_i386_nacl): New class.
 155         (Output_data_plt_i386_nacl_exec): New class.
 156         (Output_data_plt_i386_nacl_dyn): New class.
 157         (Target_i386_nacl): New class.
 158         (Target_selector_i386_nacl): New class.
 159         (target_selector_i386): Use it instead of Target_selector_i386.
 160         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
 161         (Target_x86_64_nacl): New class.
 162         (Target_selector_x86_64_nacl): New class.
 163         (target_selector_x86_64, target_selector_x32): Use it instead of
 164         Target_selector_x86_64.
 165         * arm.cc (Output_data_plt_arm_nacl): New class.
 166         (Target_arm_nacl): New class.
 167         (Target_selector_arm_nacl): New class.
 168         (target_selector_arm, target_selector_armbe): Use it instead of
 169         Target_selector_arm.
 170
 171         * target-select.cc (select_target): Take new Input_file* and off_t
 172         arguments, pass them on to recognize method of selector.
 173         * object.cc (make_elf_sized_object): Update caller.
 174         * parameters.cc (parameters_force_valid_target): Likewise.
 175         * incremental.cc (make_sized_incremental_binary): Likewise.
 176         * target-select.h: Update decl.
 177         (Target_selector::recognize): Take new Input_file* argument,
 178         pass it on to do_recognize.
 179         (Target_selector::do_recognize): Take new Input_file* argument.
 180         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
 181         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
 182         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
 183         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
 184
 185         * target.h (Target::Target_info): New members isolate_execinstr
 186         and rosegment_gap.
 187         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
 188         * arm.cc (Target_arm::arm_info): Update initializer.
 189         * i386.cc (Target_i386::i386_info): Likewise.
 190         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
 191         * sparc.cc (Target_sparc::sparc_info): Likewise.
 192         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
 193         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
 194         * layout.cc (Layout::attach_allocated_section_to_segment):
 195         Take new const Target* argument.  If target->isolate_execinstr(), act
 196         like --rosegment.
 197         (Layout::find_first_load_seg): Take new const Target* argument;
 198         if target->isolate_execinstr(), reject PF_X segments.
 199         (Layout::relaxation_loop_body): Update caller.
 200         (Layout::set_segment_offsets): If target->isolate_execinstr(),
 201         reset file offset to zero when we hit LOAD_SEG, and then do a second
 202         loop over the segments before LOAD_SEG to reassign offsets after
 203         addresses have been determined.  Handle target->rosegment_gap().
 204         (Layout::attach_section_to_segment): Take new const Target* argument;
 205         pass it to attach_allocated_section_to_segment.
 206         (Layout::make_output_section): Update caller.
 207         (Layout::attach_sections_to_segments): Take new const Target* argument;
 208         pass it to attach_section_to_segment.
 209         * gold.cc (queue_middle_tasks): Update caller.
 210         * layout.h (Layout): Update method decls with new arguments.
 211
 212         * arm.cc (Target_arm::Target_arm): Take optional argument for the
 213         Target_info pointer to use.
 214         (Target_arm::do_make_data_plt): New virtual method.
 215         (Target_arm::make_data_plt): New method that calls it.
 216         (Target_arm::make_plt_entry): Use it.
 217         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
 218         for the section alignment.
 219         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
 220         method.
 221         (Output_data_plt_arm::first_plt_entry_offset): Call it.
 222         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
 223         method.
 224         (Output_data_plt_arm::get_plt_entry_size): Call it.
 225         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
 226         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
 227         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
 228         method.
 229         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
 230         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
 231         method instead of sizeof(plt_entry).
 232         (Output_data_plt_arm::add_entry): Likewise.
 233         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
 234         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
 235         than static method.
 236         (Target_arm::plt_entry_size): Likewise.
 237         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
 238         Move to ...
 239         (Output_data_plt_arm_standard): ... here, new class.
 240         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
 241         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
 242         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
 243
 244         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
 245         Take additional argument for the PLT entry size.
 246         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
 247         Use get_plt_entry_size method rather than plt_entry_size variable.
 248         (Output_data_plt_x86_64::reserve_slot): Likewise.
 249         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
 250         (Output_data_plt_x86_64::add_entry): Likewise.
 251         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
 252         (Output_data_plt_x86_64::address_for_global): Likewise.
 253         (Output_data_plt_x86_64::address_for_local): Likewise.
 254         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 255         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
 256         Make method non-static.
 257         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
 258         method.
 259         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
 260         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
 261         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
 262         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
 263         virtual method.
 264         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
 265         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
 266         virtual method.
 267         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
 268         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
 269         virtual method.
 270         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
 271         (Output_data_plt_x86_64::plt_entry_size)
 272         (Output_data_plt_x86_64::first_plt_entry)
 273         (Output_data_plt_x86_64::plt_entry)
 274         (Output_data_plt_x86_64::tlsdesc_plt_entry)
 275         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
 276         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
 277         (Output_data_plt_x86_64_standard): ... here, new class.
 278         (Target_x86_64::Target_x86_64): Take optional argument for the
 279         Target_info pointer to use.
 280         (Target_x86_64::do_make_data_plt): New virtual method.
 281         (Target_x86_64::make_data_plt): New method to call it.
 282         (Target_x86_64::init_got_plt_for_update): Use that.
 283         Call this->plt_->add_eh_frame method here.
 284         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
 285         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
 286         rather than static method.
 287         (Target_x86_64::plt_entry_size): Likewise.
 288         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
 289         rather than plt_entry_size variable.  Move guts of PLT filling to...
 290         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
 291         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
 292         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
 293
 294         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
 295         additional argument for the section alignment.
 296         Don't do add_eh_frame_for_plt here.
 297         (Output_data_plt_i386::first_plt_entry_offset): Make the method
 298         non-static.  Use get_plt_entry_size method rather than plt_entry_size
 299         variable.
 300         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
 301         method.
 302         (Output_data_plt_i386::get_plt_entry_size): Call it.
 303         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
 304         (Output_data_plt_i386::add_eh_frame): New method to call it.
 305         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
 306         method.
 307         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
 308         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
 309         method.
 310         (Output_data_plt_i386::fill_plt_entry): New method to call it.
 311         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
 312         method instead of plt_entry_size.
 313         (Output_data_plt_i386::plt_entry_size)
 314         (Output_data_plt_i386::plt_eh_frame_fde_size)
 315         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
 316         (Output_data_plt_i386_standard): ... here, new class.
 317         (Output_data_plt_i386_exec): New class.
 318         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
 319         (Output_data_plt_i386_exec::first_plt_entry): ... here.
 320         (Output_data_plt_i386::exec_plt_entry): Move to ...
 321         (Output_data_plt_i386_exec::plt_entry): ... here.
 322         (Output_data_plt_i386_dyn): New class.
 323         (Output_data_plt_i386::first_plt_entry): Move to ...
 324         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
 325         (Output_data_plt_i386::dyn_plt_entry): Move to ...
 326         (Output_data_plt_i386_dyn::plt_entry): ... here.
 327         (Target_i386::Target_i386): Take optional argument for the Target_info
 328         pointer to use.
 329         (Target_i386::do_make_data_plt): New virtual method.
 330         (Target_i386::make_data_plt): New method to call it.
 331         (Target_i386::make_plt_section): Use that.
 332         Call this->plt_->add_eh_frame method here.
 333         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
 334         rather than plt_entry_size variable.
 335         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
 336         (Output_data_plt_i386::address_for_local): Likewise.
 337         (Output_data_plt_i386::do_write): Likewise.
 338         Move guts of PLT filling to...
 339         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
 340         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
 341         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
 342         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
 343
 344 2012-05-01  Cary Coutant  <ccoutant@google.com>
 345
 346         * dwarf_reader.cc (Dwarf_die::read_attributes)
 347         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
 348         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
 349         * reduced_debug_output.cc
 350         (Output_reduced_debug_info_section::get_die_end): Remove
 351         DW_FORM_GNU_ref_index.  Add default case.
 352
 353 2012-04-26  Mark Wielaard  <mjw@redhat.com>
 354
 355         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
 356         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
 357         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
 358         DW_AT_high_pc as offset from DW_AT_low_pc.
 359
 360         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
 361         * testsuite/Makefile.in: Regenerate.
 362         * testsuite/gdb_index_test_3.c: New test source file.
 363         * testsuite/gdb_index_test_3.sh: New test source file.
 364
 365 2012-04-25  Ian Lance Taylor  <iant@google.com>
 366
 367         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
 368         pointer.
 369         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
 370         as a class, not a struct.
 371         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
 372         (Target_arm::apply_cortex_a8_workaround): Likewise.
 373         * gc.h: Declare Reloc_types as a struct, not a class.
 374         * object.h: Declare Symbols_data as a struct.
 375         * reloc.h: Declare Read_relocs_data as a struct.
 376         * target.h: Declare Relocate_info as a struct.
 377
 378 2012-04-24  David S. Miller  <davem@davemloft.net>
 379
 380         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
 381         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
 382         and R_SPARC_WPLT30.
 383
 384 2012-04-24  Cary Coutant  <ccoutant@google.com>
 385
 386         * incremental-dump.cc (find_input_containing_global): Replace
 387         magic number with symbolic constant.
 388         (dump_incremental_inputs): Update version number.
 389         * incremental.cc (Output_section_incremental_inputs): Update version
 390         number; import symbolic constants from Incremental_inputs_reader.
 391         (Incremental_inputs::create_data_sections): Align relocations
 392         section correctly for 64-bit targets.
 393         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
 394         constants; add padding.
 395         (Output_section_incremental_inputs::write_header): Add assert for
 396         header_size.
 397         (Output_section_incremental_inputs::write_input_files): Add assert
 398         for input_entry_size.
 399         (Output_section_incremental_inputs::write_info_blocks): Add padding;
 400         add assert for object_info_size, input_section_entry_size,
 401         global_sym_entry_size.
 402         * incremental.h (Incremental_inputs_reader): Add symbolic constants
 403         for data structure sizes; use them.
 404         (Incremental_input_entry_reader): Import symbolic constants from
 405         Incremental_inputs_reader; use them.
 406
 407 2012-04-23  David S. Miller  <davem@davemloft.net>
 408
 409         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
 410         and elf_flags_set_.
 411         (Target_sparc::Target_sparc): Initialize new fields.
 412         (Target_sparc::do_make_elf_object): New function.
 413         (Target_sparc::do_adjust_elf_header): New function.
 414
 415 2012-04-23  Cary Coutant  <ccoutant@google.com>
 416
 417         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
 418         CU range table of gdb index.
 419
 420 2012-04-20  David S. Miller  <davem@davemloft.net>
 421
 422         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
 423         instead of false.
 424
 425 2012-04-16  David S. Miller  <davem@davemloft.net>
 426
 427         * sparc.cc (Target_sparc::got_address): New function.
 428         (Sparc_relocate_functions::gdop_hix22): New function.
 429         (Sparc_relocate_functions::gdop_lox10): New function.
 430         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
 431         relocs.
 432         (Target_sparc::Scan::local): Likewise if the global symbol is not
 433         preemptible and is not IFUNC.
 434         (Target_sparc::Relocate::relocate): Perform GOTDATA code
 435         transformations for local and non-preemptible non-IFUNC global
 436         symbols.
 437
 438         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
 439         writing out 64-bit part of ranges.
 440
 441         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
 442         -fpic and -fpie respectively.
 443         * Makefile.in: Regenerate.
 444
 445         * sparc.cc (class Target_sparc): Add rela_ifunc_.
 446         (Target_sparc::Target_sparc): Initialize new field.
 447         (Target_sparc::do_plt_section_for_global): New function.
 448         (Target_sparc::do_plt_section_for_local): New function.
 449         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
 450         (Target_sparc::make_plt_section): New function, broken out of
 451         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
 452         (Target_sparc::make_plt_entry): Call make_plt_section.
 453         (Target_sparc::make_local_ifunc_plt_entry): New function.
 454         (Target_sparc::rela_ifunc_section): New function.
 455         (Target_sparc::plt_section): Remove const.
 456         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
 457         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
 458         and ifunc_count_ fields.
 459         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
 460         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
 461         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
 462         (Output_data_plt_sparc::rela_ifunc): New function.
 463         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
 464         (Output_data_plt_sparc::has_ifunc_section): New function.
 465         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
 466         (Output_data_plt_sparc::address_for_global): New function.
 467         (Output_data_plt_sparc::address_for_local): New function.
 468         (Output_data_plt_sparc::plt_index_to_offset): New function.
 469         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
 470         and entry_count.
 471         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
 472         entry_count.
 473         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
 474         R_SPARC_JMP_IREL to switch.
 475         (Target_sparc::Scan::check_non_pic): Likewise.
 476         (Target_sparc::Scan::local): Handle IFUNC symbols.
 477         (Target_sparc::Scan::local): Likewise.
 478         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
 479         and plt_address_for_local.
 480         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
 481         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
 482
 483         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
 484         (class Output_data_reloc): Adjust calls to Output_reloc_type.
 485         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
 486         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
 487         global relocs too.
 488         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
 489         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
 490         calls.
 491         * sparc.cc (Target_sparc::Scan::global): Likewise.
 492         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 493
 494 2012-04-16  Cary Coutant  <ccoutant@google.com>
 495
 496         * archive.cc (Library_base::should_include_member): Check for
 497         --export-dynamic-symbol.
 498         * options.h (class General_options): Add --export-dynamic-symbol.
 499         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
 500         --export-dynamic-symbol.
 501         (Symbol_table::gc_mark_undef_symbols): Likewise.
 502         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
 503
 504 2012-04-12  David S. Miller  <davem@davemloft.net>
 505
 506         * sparc.cc (Reloc::wdisp10): New relocation method.
 507         (Reloc::h34): Likewise.
 508         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
 509         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
 510         R_SPARC_WDISP10.
 511         (Target_sparc::Scan::local): Likewise.
 512         (Target_sparc::Scan::global): Likewise.
 513         (Target_sparc::Relocate::relocate): Likewise.
 514
 515 2012-04-09  Cary Coutant  <ccoutant@google.com>
 516
 517         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
 518         low_pc == 0.
 519
 520 2012-04-06  Ian Lance Taylor  <iant@google.com>
 521
 522         * timer.cc: #include <unistd.h>.
 523
 524 2012-04-06  Roland McGrath  <mcgrathr@google.com>
 525
 526         * configure.in (AC_CHECK_HEADERS): Add locale.h.
 527         * config.in: Regenerate.
 528         * configure: Regenerate.
 529
 530 2012-04-05  Nick Clifton  <nickc@redhat.com>
 531
 532         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
 533         (AM_LC_MESSAGES): Add.
 534         * aclocal.m4: Regenerate.
 535         * config.in: Regenerate.
 536         * configure: Regenerate.
 537
 538 2012-03-21  Cary Coutant  <ccoutant@google.com>
 539
 540         * Makefile.am: Add gdb-index.cc, gdb-index.h.
 541         * Makefile.in: Regenerate.
 542         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
 543         (Sized_elf_reloc_mapper::symbol_section): New function.
 544         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
 545         (make_elf_reloc_mapper): New function.
 546         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
 547         (Dwarf_abbrev_table::do_read_abbrevs): New function.
 548         (Dwarf_abbrev_table::do_get_abbrev): New function.
 549         (Dwarf_ranges_table::read_ranges_table): New function.
 550         (Dwarf_ranges_table::read_range_list): New function.
 551         (Dwarf_pubnames_table::read_section): New function.
 552         (Dwarf_pubnames_table::read_header): New function.
 553         (Dwarf_pubnames_table::next_name): New function.
 554         (Dwarf_die::Dwarf_die): New function.
 555         (Dwarf_die::read_attributes): New function.
 556         (Dwarf_die::skip_attributes): New function.
 557         (Dwarf_die::set_name): New function.
 558         (Dwarf_die::set_linkage_name): New function.
 559         (Dwarf_die::attribute): New function.
 560         (Dwarf_die::string_attribute): New function.
 561         (Dwarf_die::int_attribute): New function.
 562         (Dwarf_die::uint_attribute): New function.
 563         (Dwarf_die::ref_attribute): New function.
 564         (Dwarf_die::child_offset): New function.
 565         (Dwarf_die::sibling_offset): New function.
 566         (Dwarf_info_reader::check_buffer): New function.
 567         (Dwarf_info_reader::parse): New function.
 568         (Dwarf_info_reader::do_parse): New function.
 569         (Dwarf_info_reader::do_read_string_table): New function.
 570         (Dwarf_info_reader::lookup_reloc): New function.
 571         (Dwarf_info_reader::get_string): New function.
 572         (Dwarf_info_reader::visit_compilation_unit): New function.
 573         (Dwarf_info_reader::visit_type_unit): New function.
 574         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
 575         Sized_elf_reloc_mapper.
 576         (Sized_dwarf_line_info::symbol_section): Remove function.
 577         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
 578         (Sized_dwarf_line_info::read_line_mappings): Remove object
 579         parameter, adjust callers.
 580         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
 581         * dwarf_reader.h: Include <sys/types.h>.
 582         (class Track_relocs): Remove forward declaration.
 583         (class Elf_reloc_mapper): New class.
 584         (class Sized_elf_reloc_mapper): New class.
 585         (class Dwarf_abbrev_table): New class.
 586         (class Dwarf_range_list): New class.
 587         (class Dwarf_ranges_table): New class.
 588         (class Dwarf_pubnames_table): New class.
 589         (class Dwarf_die): New class.
 590         (class Dwarf_info_reader): New class.
 591         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
 592         (Sized_dwarf_line_info::symbol_section): Remove member function.
 593         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
 594         base class.
 595         * gdb-index.cc: New source file.
 596         * gdb-index.h: New source file.
 597         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
 598         and .debug_types sections, call Layout::add_to_gdb_index.
 599         (Sized_relobj_incr::do_section_name): Implement.
 600         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
 601         return type; Implement.
 602         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
 603         return type.
 604         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
 605         parameter list and return type.
 606         (Sized_incr_dynobj::do_section_contents): Likewise.
 607         * layout.cc: Include gdb-index.h.
 608         (Layout::Layout): Initialize gdb_index_data_.
 609         (Layout::init_fixed_output_section): Check for .gdb_index section.
 610         (Layout::add_to_gdb_index): New function. Instantiate.
 611         * layout.h: Add forward declaration for class Gdb_index.
 612         (Layout::add_to_gdb_index): New member function.
 613         (Layout::gdb_index_data_): New data member.
 614         * main.cc: Include gdb-index.h.
 615         (main): Print statistics for gdb index.
 616         * object.cc (Object::section_contents): Move code into
 617         do_section_contents.
 618         (need_decompressed_section): Check for sections needed when building
 619         gdb index.
 620         (build_compressed_section_map): Likewise.
 621         (Sized_relobj_file::do_read_symbols): Need local symbols when building
 622         gdb index.
 623         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
 624         sections; call Layout::add_to_gdb_index.
 625         (Sized_relobj_file::do_decompressed_section_contents): Call
 626         do_section_contents directly.
 627         * object.h (Object::do_section_contents): Adjust parameter list and
 628         return type.
 629         (Object::do_decompressed_section_contents): Call do_section_contents
 630         directly.
 631         (Sized_relobj_file::do_section_contents): Adjust parameter list and
 632         return type.
 633         * options.h (class General_options): Add --gdb-index option.
 634         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
 635         list and return type.
 636         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 637         * reloc.h (Track_relocs::checkpoint): New function.
 638         (Track_relocs::reset): New function.
 639
 640         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 641         New test cases.
 642         * testsuite/Makefile.in: Regenerate.
 643         * testsuite/gdb_index_test.cc: New test source file.
 644         * testsuite/gdb_index_test_1.sh: New test source file.
 645         * testsuite/gdb_index_test_2.sh: New test source file.
 646
 647 2012-03-19  Doug Kwan  <dougkwan@google.com>
 648
 649         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 650         (Target_arm::do_finalize_sections): Remove code which defines
 651         __exidx_start and __exidx_end.  Make symbol table parameter
 652         anonymous as it is not used.
 653         * gold.cc (queue_middle_tasks): Call target hook to define any
 654         target-specific symbols.
 655         * target.h (Target::define_standard_symbols): New method.
 656         (Target::do_define_standard_symbols): Same.
 657         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 658         * testsuite/Makefile.in: Regenerate.
 659         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 660         and __exidx_end.
 661         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 662         relocations are generated for __exidx_start and __exidx_end.
 663
 664 2012-03-16  Doug Kwan  <dougkwan@google.com>
 665
 666         * testsuite/Makefile.am: Disable test initpri3b.
 667         * testsuite/Makefile.in: Regenerate.
 668
 669 2012-03-15  Doug Kwan  <dougkwan@google.com>
 670
 671         * arm.cc (Target_arm::got_section): Make .got section read-only
 672         if -z now is given.
 673
 674 2012-03-15  Ian Lance Taylor  <iant@google.com>
 675
 676         PR gold/13850
 677         * layout.cc (Layout::make_output_section): Correctly mark
 678         SHT_INIT_ARRAY, et. al., as relro.
 679
 680 2012-03-14  Doug Kwan  <dougkwan@google.com>
 681
 682         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 683         dynamic relocations for protected symbols in shared objects.
 684
 685 2012-03-13  Ian Lance Taylor  <iant@google.com>
 686
 687         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 688         keep the larger alignment.
 689
 690 2012-03-12  Cary Coutant  <ccoutant@google.com>
 691
 692         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 693         handling of DW_LNE_define_file.
 694
 695 2012-03-12  Cary Coutant  <ccoutant@google.com>
 696
 697         * reduced_debug_output.cc
 698         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 699         codes to switch.
 700
 701 2012-02-29  Cary Coutant  <ccoutant@google.com>
 702
 703         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 704
 705 2012-02-29  Cary Coutant  <ccoutant@google.com>
 706
 707         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 708         Call Object::decompressed_section_contents.
 709         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 710         New dtor.
 711         (Sized_dwarf_line_info::buffer_start_): New data member.
 712         * merge.cc (Output_merge_data::do_add_input_section): Call
 713         Object::decompressed_section_contents.
 714         (Output_merge_string::do_add_input_section): Likewise.
 715         * object.cc (need_decompressed_section): New function.
 716         (build_compressed_section_map): Decompress sections needed later.
 717         (Sized_relobj_file::do_decompressed_section_contents): New function.
 718         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 719         * object.h (Object::decompressed_section_contents): New function.
 720         (Object::discard_decompressed_sections): New function.
 721         (Object::do_decompressed_section_contents): New function.
 722         (Object::do_discard_decompressed_sections): New function.
 723         (Compressed_section_info): New type.
 724         (Compressed_section_map): Include decompressed section contents.
 725         (Sized_relobj_file::do_decompressed_section_contents): New function.
 726         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 727
 728 2012-02-16  Cary Coutant  <ccoutant@google.com>
 729
 730         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 731         * testsuite/Makefile.in: Regenerate.
 732
 733 2012-02-14  Cary Coutant  <ccoutant@google.com>
 734
 735         * options.cc (General_options::finalize): Disallow -pie and -static.
 736
 737 2012-02-03  Doug Kwan  <dougkwan@google.com>
 738
 739         * arm.cc (Arm_relocate_functions::abs8,
 740         Arm_relocate_functions::abs16): Use
 741         Bits::has_signed_unsigned_overflow32.
 742         (Arm_relocate_functions::thm_abs8): Correct range of
 743         overflow check.
 744         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 745         in assertions.
 746
 747 2012-02-02  Doug Kwan  <dougkwan@google.com>
 748
 749         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 750         position independent outputs, not just shared objects.
 751
 752 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 753
 754         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 755         * configure: Regenerated.
 756
 757 2012-01-27  Ian Lance Taylor  <iant@google.com>
 758
 759         * reloc.h (Bits): New class with static functions, copied from
 760         namespace utils in arm.cc.
 761         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 762         instead.
 763
 764 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 765
 766         * incremental.cc (write_info_blocks): Correct relocation offset.
 767
 768 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 769
 770         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 771         (Relocate::tls_gd_to_le): Likewise.
 772
 773 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 774
 775         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 776
 777 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 778
 779         * configure.ac: Check if -mcmodel=medium works.
 780         * configure: Regenerated.
 781
 782 2012-01-24  Cary Coutant  <ccoutant@google.com>
 783
 784         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 785         definition and ...
 786         (read_unsigned_LEB_128_x): ... this new function.
 787         (read_signed_LEB_128): Replaced with inline definition and ...
 788         (read_signed_LEB_128_x): ... this new function.
 789         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 790         (read_unsigned_LEB_128): Add inline definition.
 791         (read_signed_LEB_128_x): New function.
 792         (read_signed_LEB_128): Add inline definition.
 793         * testsuite/Makefile.am (leb128_unittest): New unit test.
 794         * testsuite/Makefile.in: Regenerate.
 795         * testsuite/leb128_unittest.cc: New unit test.
 796
 797 2012-01-23  Ian Lance Taylor  <iant@google.com>
 798
 799         PR gold/13617
 800         * i386.cc (Target_i386::do_code_fill): When using a jmp
 801         instruction, pad with nop instructions.
 802         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 803
 804 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 805
 806         * x86_64.cc (gc_process_relocs): Add typename on types used in
 807         template.
 808         (scan_relocs): Likewise.
 809         (relocate_section): Likewise.
 810         (apply_relocation): Likewise.
 811
 812 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 813
 814         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 815         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 816         under x32.
 817
 818 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 819
 820         * x86_64.cc: Initial support for x32.
 821
 822 2012-01-03  Cary Coutant  <ccoutant@google.com>
 823
 824         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 825         Use abstract base class for GOT.
 826         * gold/output.h (class Output_data_got_base): New abstract base class.
 827         (class Output_data_got): Derive from new base class, adjust ctors.
 828         (Output_data_got::reserve_slot): Make virtual; rename to
 829         do_reserve_slot; Adjust callers.
 830         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 831         pointer to abstract base class.
 832         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 833
 834 2011-12-18  Ian Lance Taylor  <iant@google.com>
 835
 836         * object.h (Relobj::local_symbol_value): New function.
 837         (Relobj::local_plt_offset): New function.
 838         (Relobj::local_has_got_offset): New function.
 839         (Relobj::local_got_offset): New function.
 840         (Relobj::set_local_got_offset): New function.
 841         (Relobj::do_local_symbol_value): New pure virtual function.
 842         (Relobj::do_local_plt_offset): Likewise.
 843         (Relobj::do_local_has_got_offset): Likewise.
 844         (Relobj::do_local_got_offset): Likewise.
 845         (Relobj::do_set_local_got_offset): Likewise.
 846         (Sized_relobj::do_local_has_got_offset): Rename from
 847         local_has_got_offset.
 848         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 849         (Sized_relobj::do_set_local_got_offset): Rename from
 850         set_local_got_offset.
 851         (Sized_relobj_file::do_local_plt_offset): Rename from
 852         local_plt_offset.
 853         (Sized_relobj_file::do_local_symbol_value): New function.
 854         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 855         local_plt_offset.
 856         * output.cc (Output_data_got::Got_entry::write): Change object to
 857         Relobj.  Use local_symbol_value.
 858         (Output_data_got::add_global_with_rel): Change rel_dyn to
 859         Output_data_reloc_generic*.  Use add_global_generic.
 860         (Output_data_got::add_global_with_rela): Remove.  Change all
 861         callers to use add_global_with_rel.
 862         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 863         Output_data_reloc_generic*.  Use add_global_generic.
 864         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 865         callers to use add_global_pair_with_rel.
 866         (Output_data_got::add_local): Change object to Relobj*.
 867         (Output_data_got::add_local_plt): Likewise.
 868         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 869         change rel_dyn to Output_data_reloc_generic*.  Use
 870         add_local_generic.
 871         (Output_data_got::add_local_with_rela): Remove.  Change all
 872         callers to use all_local_with_rel.
 873         (Output_data_got::add_local_pair_with_rel): Change object to
 874         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 875         add_output_section_generic.
 876         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 877         callers to use add_local_pair_with_rel.
 878         (Output_data_got::reserve_local): Change object to Relobj*.
 879         * output.h: (class Output_data_reloc_generic): Add pure virtual
 880         declarations for add_global_generic, add_local_generic,
 881         add_output_section_generic.
 882         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 883         functions for Output_data_reloc_generic.  Update declarations for
 884         changes listed in output.cc.
 885         (class Output_data_got): Change template parameter to got_size.
 886         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 887         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 888         function.
 889         (Sized_relobj_incr::do_local_plt_offset): New function.
 890         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 891         add_global_generic.
 892
 893 2011-12-17  Cary Coutant  <ccoutant@google.com>
 894
 895         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 896         * resolve.cc (Symbol_table::resolve): Likewise.
 897         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 898         arrays.
 899         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 900
 901 2011-12-16  Ian Lance Taylor  <iant@google.com>
 902
 903         * output.h (Output_data_reloc_generic::add): Only call
 904         add_dynamic_reloc if this is a dynamic reloc section.
 905
 906 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 907
 908         PR gold/13505
 909         * target-reloc.h (apply_relocation): Replace <64, false> with
 910         <size, big_endian>.
 911
 912 2011-11-25  Nick Clifton  <nickc@redhat.com>
 913
 914         * po/it.po: New Italian translation.
 915
 916 2011-11-17  Sterling Augustine  <saugustine@google.com>
 917
 918         * script.cc (script_include_directive): Implement.
 919         (read_script_file): New local variables name and search_path. Update
 920         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 921         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 922         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 923
 924 2011-11-11  Sterling Augustine  <saugustine@google.com>
 925
 926         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 927         (file_or_sections_cmd): Likewise.
 928
 929 2011-11-11  Doug Kwan  <dougkwan@google.com>
 930
 931         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 932         if --just-symbols is given.
 933
 934 2011-11-10  Doug Kwan  <dougkwan@google.com>
 935
 936         PR gold/13362
 937         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 938         when processing data relocs.
 939         * reloc.h (Relocate_functions::rel_unaligned): New method.
 940         (Relocate_functions::pcrel_unaligned): Ditto.
 941         (Relocate_functions::rel32_unaligned): Ditto.
 942         (Relocate_functions::pcrel32_unaligned): Ditto.
 943
 944 2011-11-09  Doug Kwan  <dougkwan@google.com>
 945
 946         PR gold/13362
 947         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 948         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 949         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 950         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 951         (Relocate_functions::rel_unaligned): New.
 952         (Relocate_functions::rel32_unaligned): New.
 953         * target-reloc.h (relocate_for_relocatable): Add code to handle
 954         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 955         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 956         arm_unaligned_reloc_r): New targets.
 957         * testsuite/Makefile.in: Regenerate.
 958         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 959         linking.
 960
 961 2011-11-02  Ian Lance Taylor  <iant@google.com>
 962
 963         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 964         NATIVE_LINKER.
 965         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 966         * options.cc (General_options::finalize): Use library search path
 967         from configure script if specified.  If not native and no sysroot,
 968         only search TOOLLIBDIR.
 969         * options.h (Search_directory::Search_directory): Change name to
 970         const std::string&.
 971         (General_options::add_to_library_path_with_sysroot): Change arg to
 972         const std::string&.
 973         * configure, Makefile.in, config.in: Rebuild.
 974
 975 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 976
 977         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 978         we are working around the ARM1176 Erratum.
 979         * options.h (General_options::fix_arm1176): Add option.
 980         * testsuite/Makefile.am: Add testcases, and keep current ones
 981         working.
 982         * testsuite/Makefile.in: Regenerate.
 983         * testsuite/arm_fix_1176.s: New file.
 984         * testsuite/arm_fix_1176.sh: Likewise.
 985
 986 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 987
 988         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 989         may_use_blx_.
 990         (Target_arm::may_use_blx): Remove method.
 991         (Target_arm::set_may_use_blx): Likewise.
 992         (Target_arm::may_use_v4t_interworking): New method.
 993         (Target_arm::may_use_v5t_interworking): Likewise.
 994         (Target_arm::may_use_blx_): Remove member variable.
 995         (Arm_relocate_functions::arm_branch_common): Check for v5T
 996         interworking.
 997         (Arm_relocate_functions::thumb_branch_common): Likewise.
 998         (Reloc_stub::stub_type_for_reloc): Likewise.
 999         (Target_arm::do_finalize_sections): Correct interworking checks.
1000         * testsuite/Makefile.am: Add new tests.
1001         * testsuite/Makefile.in: Regenerate.
1002         * testsuite/arm_farcall_arm_arm.s: New test.
1003         * testsuite/arm_farcall_arm_arm.sh: Likewise.
1004         * testsuite/arm_farcall_arm_thumb.s: Likewise.
1005         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
1006         * testsuite/arm_farcall_thumb_arm.s: Likewise.
1007         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
1008         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
1009         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
1010
1011 2011-10-31  Cary Coutant  <ccoutant@google.com>
1012
1013         PR gold/13023
1014         * expression.cc (Expression::eval_with_dot): Add
1015         is_section_dot_assignment parameter.
1016         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
1017         absolute and assigning to dot within a section.
1018         * script-sections.cc
1019         (Output_section_element_assignment::set_section_addresses): Pass
1020         dot_section to set_if_absolute.
1021         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
1022         as is_section_dot_assignment flag to eval_with_dot.
1023         (Output_section_element_dot_assignment::set_section_addresses):
1024         Likewise.
1025         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
1026         parameter.  Also set value if relative to dot_section; set the
1027         symbol's output_section.
1028         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
1029         parameter.  Adjust all callers.
1030         (Expression::eval_maybe_dot): Likewise.
1031         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
1032         Adjust all callers.
1033         * testsuite/script_test_2.t: Test assignment of an absolute value
1034         to dot within an output section element.
1035
1036 2011-10-31  Cary Coutant  <ccoutant@google.com>
1037
1038         * options.h (class General_options): Add --[no-]gnu-unique options.
1039         * symtab.cc (Symbol_table::sized_write_globals): Convert
1040         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
1041
1042 2011-10-31  Cary Coutant  <ccoutant@google.com>
1043
1044         PR gold/13359
1045         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
1046         unnecessary assertion.
1047         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
1048
1049 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
1050
1051         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1052         gc_mark_symbol.
1053         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1054         gc_mark_symbol.
1055         Change to just keep the section associated with symbol.
1056         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
1057         they are externally visible and --export-dynamic is turned on.
1058         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
1059
1060 2011-10-19  Ian Lance Taylor  <iant@google.com>
1061
1062         PR gold/13163
1063         * script-sections.cc
1064         (Output_section_element_dot_assignment::needs_output_section): New
1065         function.
1066
1067 2011-10-19  Ian Lance Taylor  <iant@google.com>
1068
1069         PR gold/13204
1070         * layout.cc (Layout::segment_precedes): Don't assert failure if a
1071         --section-start option was seen.
1072         * options.h (General_options::any_section_start): New function.
1073
1074 2011-10-18  David S. Miller  <davem@davemloft.net>
1075
1076         PR binutils/13301
1077         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
1078         member to track relocation locations that have moved during TLS
1079         reloc optimizations.
1080         (Target_sparc::Relocate::Relocate): Initialize to NULL.
1081         (Target_sparc::Relocate::relocate): Adjust view down by 4
1082         bytes if it matches reloc_adjust_addr_.
1083         (Target_sparc::Relocate::relocate_tls): Always move the
1084         __tls_get_addr call delay slot instruction forward 4 bytes when
1085         performing relaxation.
1086
1087 2011-10-18  Cary Coutant  <ccoutant@google.com>
1088
1089         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
1090         (Output_file::map_no_anonymous): Check for non-zero
1091         return code from posix_fallocate.
1092
1093 2011-10-17  Cary Coutant  <ccoutant@google.com>
1094
1095         PR gold/13245
1096         * plugin.cc (is_visible_from_outside): Check for symbols
1097         referenced from dynamic objects.
1098         * resolve.cc (Symbol_table::resolve): Don't count references
1099         from dynamic objects as references from real ELF files.
1100         * testsuite/plugin_test_2.sh: Adjust expected result.
1101
1102 2011-10-17  Cary Coutant  <ccoutant@google.com>
1103
1104         * gold.cc: Include timer.h.
1105         (queue_middle_tasks): Stamp time.
1106         (queue_final_tasks): Likewise.
1107         * main.cc (main): Store timer in parameters.  Print timers
1108         for each pass.
1109         * parameters.cc (Parameters::Parameters): Initialize timer_.
1110         (Parameters::set_timer): New function.
1111         (set_parameters_timer): New function.
1112         * parameters.h (Parameters::set_timer): New function.
1113         (Parameters::timer): New function.
1114         (Parameters::timer_): New data member.
1115         (set_parameters_timer): New function.
1116         * timer.cc (Timer::stamp): New function.
1117         (Timer::get_pass_time): New function.
1118         * timer.h (Timer::stamp): New function.
1119         (Timer::get_pass_time): New function.
1120         (Timer::pass_times_): New data member.
1121
1122 2011-10-17  Cary Coutant  <ccoutant@google.com>
1123
1124         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1125         task for members of lib groups.
1126
1127 2011-10-17  Cary Coutant  <ccoutant@google.com>
1128
1129         PR gold/13288
1130         * fileread.cc (File_read::find_view): Add assert.
1131         (File_read::make_view): Move bounds check (replace with assert)...
1132         (File_read::find_or_make_view): ... to here.
1133
1134 2011-10-12  Cary Coutant  <ccoutant@google.com>
1135
1136         * output.cc (Output_file::open_base_file): Handle case where
1137         ::read returns less than requested size.
1138
1139 2011-10-10  Cary Coutant  <ccoutant@google.com>
1140
1141         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1142         Initialize defined_count_.
1143         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1144         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1145         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1146         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1147         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1148         * incremental.h (Sized_relobj_incr::defined_count_): New data
1149         member.
1150         (Sized_incr_dynobj::defined_count_): New data member.
1151         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1152         Return zeroes instead of internal error.
1153
1154 2011-10-10  Cary Coutant  <ccoutant@google.com>
1155
1156         PR gold/13249
1157         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1158         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1159         * output.h (class Output_reloc): Add use_plt_offset flag.
1160         (Output_reloc::type_): Adjust size of bit field.
1161         (Output_reloc::use_plt_offset_): New bit field.
1162         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1163         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1164         flag.  Adjust all callers.
1165         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1166         creating RELATIVE relocations.
1167
1168 2011-10-10  Nick Clifton  <nickc@redhat.com>
1169
1170         * po/es.po: Updated Spanish translation.
1171         * po/fi.po: Updated Finnish translation.
1172
1173 2011-10-03   Diego Novillo  <dnovillo@google.com>
1174
1175         * options.cc (parse_uint): Fix dereference of RETVAL.
1176
1177 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1178
1179         * layout.h (section_order_map_): New member.
1180         (get_section_order_map): New member function.
1181         * output.cc (Output_section::add_input_section): Check for patterns
1182         only when --section-ordering-file is specified.
1183         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1184         output_sections have been formed.
1185         * layout.cc (Layout_Layout): Initialize section_order_map_.
1186         * plugin.cc (update_section_order): Store order in order_map. Do not
1187         update the order.
1188         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1189         * testsuite/Makefile.in: Regenerate.
1190         * testsuite/plugin_section_order.c: New file.
1191         * testsuite/plugin_final_layout.cc: New file.
1192         * testsuite/plugin_final_layout.sh: New file.
1193
1194 2011-09-29  Cary Coutant  <ccoutant@google.com>
1195
1196         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1197         Check for NULL.
1198         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1199         symbols during incremental update.
1200         (Symbol_table::add_from_dynobj): Likewise.
1201
1202 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1203             Ian Lance Taylor  <iant@google.com>
1204
1205         * symtab.cc (Symbol_table::define_special_symbol): Always
1206         canonicalize version string.
1207
1208 2011-09-26  Cary Coutant  <ccoutant@google.com>
1209
1210         * gold.cc (queue_initial_tasks): Move option checks ...
1211         * options.cc (General_options::finalize): ... to here. Disable
1212         some options; make others fatal.
1213
1214 2011-09-26  Cary Coutant  <ccoutant@google.com>
1215
1216         gcc PR lto/47247
1217         * plugin.cc (get_symbols_v2): New function.
1218         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1219         (is_referenced_from_outside): New function.
1220         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1221         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1222         (get_symbols): Pass version parameter.
1223         (get_symbols_v2): New function.
1224         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1225         parameter.
1226         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
1227         (onload): Add LDPT_GET_SYMBOLS_V2.
1228         (all_symbols_read_hook): Use get_symbols_v2; check for
1229         LDPR_PREVAILING_DEF_IRONLY_EXP.
1230         * testsuite/plugin_test_3.sh: Update expected results.
1231
1232 2011-09-23  Simon Baldwin  <simonb@google.com>
1233
1234         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
1235         configuration options.
1236         * configure: Regenerate.
1237         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
1238         * Makefile.in: Regenerate.
1239         * testsuite/Makefile.in: Regenerate.
1240
1241 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
1242
1243         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
1244
1245 2011-09-19  Cary Coutant  <ccoutant@google.com>
1246
1247         * incremental.cc (can_incremental_update): Fix typo in comment.
1248         * incremental.h (can_incremental_update): Likewise.
1249
1250 2011-09-18  Cary Coutant  <ccoutant@google.com>
1251
1252         * incremental.cc (can_incremental_update): New function.
1253         * incremental.h (can_incremental_update): New function.
1254         * layout.cc (Layout::init_fixed_output_section): Call it.
1255         (Layout::make_output_section): Don't allow patch space in .eh_frame.
1256         * object.cc (Sized_relobj_file::do_layout): Call
1257         can_incremental_update.
1258
1259 2011-09-13  Cary Coutant  <ccoutant@google.com>
1260
1261         * configure.ac: Check for glibc support for gnu_indirect_function
1262         support with static linking, setting automake conditional
1263         IFUNC_STATIC.
1264         * Makefile.in: Regenerate.
1265         * configure: Regenerate.
1266
1267         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
1268         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
1269         for IFUNC_STATIC.
1270         * testsuite/Makefile.in: Regenerate.
1271
1272 2011-09-13  Cary Coutant  <ccoutant@google.com>
1273
1274         * incremental.cc (Sized_relobj_incr::do_layout): Call
1275         report_comdat_group for kept comdat sections.
1276         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
1277         * testsuite/Makefile.in: Regenerate.
1278         * testsuite/incr_comdat_test_1.cc: New source file.
1279         * testsuite/incr_comdat_test_2_v1.cc: New source file.
1280         * testsuite/incr_comdat_test_2_v2.cc: New source file.
1281         * testsuite/incr_comdat_test_2_v3.cc: New source file.
1282
1283 2011-09-13  Ian Lance Taylor  <iant@google.com>
1284
1285         * object.cc (Sized_relobj_file::do_layout): Remove unused local
1286         variable external_symbols_offset.
1287
1288 2011-09-12  Ian Lance Taylor  <iant@google.com>
1289
1290         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
1291         triggered if object has no symbols.
1292
1293 2011-09-09  David S. Miller  <davem@davemloft.net>
1294
1295         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
1296         (Output_fill_debug_line::do_write): Likewise.
1297
1298 2011-08-29  Cary Coutant  <ccoutant@google.com>
1299
1300         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
1301         casts to match formatting specs.
1302         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
1303
1304 2011-08-26  Cary Coutant  <ccoutant@google.com>
1305
1306         * layout.cc (Free_list::allocate): Provide guarantee of minimum
1307         remaining hole size when allocating.
1308         (Layout::make_output_section): Set fill methods for debug sections.
1309         * layout.h (Free_list::Free_list_node): Move from private to
1310         public.
1311         (Free_list::set_min_hole_size): New function.
1312         (Free_list::begin, Free_list::end): New functions.
1313         (Free_list::min_hole_): New data member.
1314         * output.cc: Include dwarf.h.
1315         (Output_fill_debug_info::do_minimum_hole_size): New function.
1316         (Output_fill_debug_info::do_write): New function.
1317         (Output_fill_debug_line::do_minimum_hole_size): New function.
1318         (Output_fill_debug_line::do_write): New function.
1319         (Output_section::Output_section): Initialize new data member.
1320         (Output_section::set_final_data_size): Ensure patch space is larger
1321         than minimum hole size.
1322         (Output_section::do_write): Fill holes in debug sections.
1323         * output.h (Output_fill): New class.
1324         (Output_fill_debug_info): New class.
1325         (Output_fill_debug_line): New class.
1326         (Output_section::set_free_space_fill): New function.
1327         (Output_section::free_space_fill_): New data member.
1328         * testsuite/Makefile.am (incremental_test_3): Add
1329         --incremental-patch option.
1330         (incremental_test_4): Likewise.
1331         (incremental_test_5): Likewise.
1332         (incremental_test_6): Likewise.
1333         (incremental_copy_test): Likewise.
1334         (incremental_common_test_1): Likewise.
1335         * testsuite/Makefile.in: Regenerate.
1336
1337 2011-08-26  Nick Clifton  <nickc@redhat.com>
1338
1339         * po/es.po: Updated Spanish translation.
1340
1341 2011-08-01  Cary Coutant  <ccoutant@google.com>
1342
1343         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
1344         * gold/testsuite/Makefile.in: Regenerate.
1345         * gold/testsuite/justsyms_exec.c: New source file.
1346         * gold/testsuite/justsyms_lib.c: New source file.
1347
1348 2011-08-01  Cary Coutant  <ccoutant@google.com>
1349
1350         * layout.cc (Layout::set_segment_offsets): Don't realign text
1351         segment if -Ttext was specified.
1352         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
1353         file type.
1354         * object.h (Sized_relobj_file::e_type): New function.
1355         (Sized_relobj_file::e_type_): New data member.
1356         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
1357         base address for ET_EXEC files.
1358         * target.cc (Target::do_make_elf_object_implementation): Allow
1359         ET_EXEC files with --just-symbols option.
1360
1361 2011-07-28  Cary Coutant  <ccoutant@google.com>
1362
1363         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
1364         Add thread_number parameter.
1365         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
1366         * workqueue-threads.cc
1367         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
1368         current thread if its thread number is greater than desired thread
1369         count.
1370         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
1371         Add thread_number parameter.
1372         (Workqueue::should_cancel_thread): Likewise.
1373         (Workqueue::find_runnable_or_wait): Pass thread_number to
1374         should_cancel_thread.
1375         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
1376         parameter.
1377
1378 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
1379
1380         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
1381         only after checking if it cannot be forced local.
1382         * symtab.h (is_externally_visible): Check if the symbol is not forced
1383         local.
1384
1385 2011-07-15  Ian Lance Taylor  <iant@google.com>
1386
1387         * options.h (class General_options): Add --print-output-format.
1388         Move -EL next to -EB, for  better --help output.
1389         * target-select.cc: Include <cstdio>, "options.h", and
1390         "parameters.h".
1391         (Target_selector::do_target_bfd_name): New function.
1392         (print_output_format): New function.
1393         * target-select.h (class Target_selector): Update declarations.
1394         (Target_selector::target_bfd_name): New function.
1395         (print_output_format): Declare.
1396         * main.cc: Include "target-select.h".
1397         (main): Handle --print-output-format.
1398         * gold.cc: Include "target-select.h".
1399         (queue_initial_tasks): Handle --print-output-format when there are
1400         no input files.
1401         * parameters.cc (parameters_force_valid_target): Give a better
1402         error message if -EB/-EL does not match target.
1403         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
1404         function.
1405
1406 2011-07-15  Ian Lance Taylor  <iant@google.com>
1407
1408         * i386.cc (class Output_data_plt_i386): Add layout_ field.
1409         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
1410         (Output_data_plt_i386::do_write): Write address of .dynamic
1411         section to first entry in .got.plt section.
1412         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
1413         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1414         Initialize layout_.
1415         (Output_data_plt_x86_64::do_write): Write address of .dynamic
1416         section to first entry in .got.plt section.
1417         * layout.h (Layout::dynamic_section): New function.
1418
1419 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
1420
1421         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
1422         to claim_file call.
1423         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
1424         input_section_position_, and input_section_glob_.
1425         (read_layout_from_file): Call function section_ordering_specified.
1426         * layout.h (is_section_ordering_specified): New function.
1427         (section_ordering_specified): New function.
1428         (section_ordering_specified_): New boolean member.
1429         * main.cc(main): Call load_plugins after layout object is defined.
1430         * output.cc (Output_section::add_input_section): Use
1431         function section_ordering_specified to check if section ordering is
1432         needed.
1433         * output.cc (Output_section::add_relaxed_input_section): Use
1434         function section_ordering_specified to check if section ordering is
1435         needed.
1436         (Output_section::update_section_layout): New function.
1437         (Output_section::sort_attached_input_sections): Check if input section
1438         must be reordered.
1439         * output.h (Output_section::update_section_layout): New function.
1440         * plugin.cc (get_section_count): New function.
1441         (get_section_type): New function.
1442         (get_section_name): New function.
1443         (get_section_contents): New function.
1444         (update_section_order): New function.
1445         (allow_section_ordering): New function.
1446         (Plugin::load): Add the new interfaces to the transfer vector.
1447         (Plugin_manager::load_plugins): New parameter.
1448         (Plugin_manager::all_symbols_read): New parameter.
1449         (Plugin_manager::claim_file): New parameter. Save the elf object for
1450         unclaimed objects.
1451         (Plugin_manager::get_elf_object): New function.
1452         (Plugin_manager::get_view): Change to directly use the bool to check
1453         if get_view is called from claim_file_hook.
1454         * plugin.h (input_objects): New function
1455         (Plugin__manager::load_plugins): New parameter.
1456         (Plugin_manager::claim_file): New parameter.
1457         (Plugin_manager::get_elf_object): New function.
1458         (Plugin_manager::in_claim_file_handler): New function.
1459         (Plugin_manager::in_claim_file_handler_): New member.
1460         (layout): New function.
1461         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
1462         handler with an extra parameter. Make the elf object before calling
1463         claim_file handler.
1464         * testsuite/plugin_test.c (get_section_count): New function pointer.
1465         (get_section_type): New function pointer.
1466         (get_section_name): New function pointer.
1467         (get_section_contents): New function pointer.
1468         (update_section_order): New function pointer.
1469         (allow_section_ordering): New function pointer.
1470         (onload): Check if the new interfaces exist.
1471
1472 2011-07-13  Ian Lance Taylor  <iant@google.com>
1473
1474         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
1475         relro section.
1476         * x86_64.cc (Target_x86_64::got_section): Likewise.
1477         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
1478         (relro_now_test_SOURCES): New variable.
1479         (relro_now_test_DEPENDENCIES): New variable.
1480         (relro_now_test_LDFLAGS): New variable.
1481         (relro_now_test_LDADD): New variable.
1482         (relro_now_test.so): New target.
1483         * testsuite/Makefile.in: Rebuild.
1484
1485 2011-07-12  Ian Lance Taylor  <iant@google.com>
1486
1487         PR gold/12980
1488         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
1489         GLOB_DAT relocation rather than a RELATIVE relocation for a
1490         protected symbol when creating a shared library.
1491         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1492         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
1493         * testsuite/protected_main_1.cc (main): Test that protected
1494         function has same address.
1495
1496 2011-07-11  Ian Lance Taylor  <iant@google.com>
1497
1498         PR gold/12979
1499         * options.h (class General_options): Add -Bgroup.
1500         * options.cc (General_options::finalize): If -Bgroup is set,
1501         default to --unresolved-symbols=report-all.
1502         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
1503         * target-reloc.h (issue_undefined_symbol_error): Handle
1504         --unresolved-symbols=report-all.
1505
1506 2011-07-08  Ian Lance Taylor  <iant@google.com>
1507
1508         PR gold/11985
1509         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
1510         if linker script discards key sections.
1511         (Layout::create_dynamic_symtab): Likewise.
1512         (Layout::assign_local_dynsym_offsets): Likewise.
1513         (Layout::sized_create_version_sections): Likewise.
1514         (Layout::create_interp): Likewise.
1515         (Layout::finish_dynamic_section): Likewise.
1516         (Layout::set_dynamic_symbol_size): Likewise.
1517
1518 2011-07-08  Ian Lance Taylor  <iant@google.com>
1519
1520         PR gold/12386
1521         * options.h (class General_options): Add --unresolved-symbols.
1522         * target-reloc.h (issue_undefined_symbol_error): Check
1523         --unresolved-symbols.  Add comments.
1524
1525 2011-07-08  Ian Lance Taylor  <iant@google.com>
1526
1527         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1528         expression more complex.
1529
1530 2011-07-08  Ian Lance Taylor  <iant@google.com>
1531
1532         PR gold/11317
1533         * target-reloc.h (issue_undefined_symbol_error): New inline
1534         function, broken out of relocate_section.
1535         (relocate_section): Call issue_undefined_symbol_error.
1536         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1537         there is no TLS segment if we are about to issue an undefined
1538         symbol error.
1539         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1540
1541 2011-07-08  Ian Lance Taylor  <iant@google.com>
1542
1543         PR gold/12279
1544         * resolve.cc (Symbol_table::should_override): Add fromtype
1545         parameter.  Change all callers.  Give error when linking together
1546         TLS and non-TLS symbol.
1547         (Symbol_table::should_override_with_special): Add fromtype
1548         parameter.  Change all callers.
1549         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1550         there is no TLS segment if we have reported some errors.
1551         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1552
1553 2011-07-08  Ian Lance Taylor  <iant@google.com>
1554
1555         PR gold/12372
1556         * target.h (Target::plt_address_for_global): New function.
1557         (Target::plt_address_for_local): New function.
1558         (Target::plt_section_for_global): Remove.
1559         (Target::plt_section_for_local): Remove.
1560         (Target::do_plt_address_for_global): New virtual function.
1561         (Target::do_plt_address_for_local): New virtual function.
1562         (Target::do_plt_section_for_global): Remove.
1563         (Target::do_plt_section_for_local): Remove.
1564         (Target::register_global_plt_entry): Add Symbol_table and Layout
1565         parameters.
1566         * output.cc (Output_data_got::Got_entry::write): Use
1567         plt_address_for_global and plt_address_for_local.
1568         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1569         address of output section.
1570         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1571         got_irelative_, and irelative_count_ fields.  Update
1572         declarations.
1573         (Output_data_plt_i386::has_irelative_section): New function.
1574         (Output_data_plt_i386::entry_count): Add irelative_count_.
1575         (Output_data_plt_i386::set_final_data_size): Likewise.
1576         (class Target_i386): Add got_irelative_ and rel_irelative_
1577         fields.  Update declarations.
1578         (Target_i386::Target_i386): Initialize new fields.
1579         (Target_i386::do_plt_address_for_global): New function replacing
1580         do_plt_section_for_global.
1581         (Target_i386::do_plt_address_for_local): New function replacing
1582         do_plt_section_for_local.
1583         (Target_i386::got_section): Create got_irelative_.
1584         (Target_i386::rel_irelative_section): New function.
1585         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1586         fields.  Don't define __rel_iplt_{start,end}.
1587         (Output_data_plt_i386::add_entry): Add symtab and layout
1588         parameters.  Change all callers.  Use different PLT and GOT for
1589         IFUNC symbols.
1590         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1591         layout parameters.  Change all callers.  Use different PLT and
1592         GOT.
1593         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1594         (Output_data_plt_i386::rel_irelative): New function.
1595         (Output_data_plt_i386::address_for_global): New function.
1596         (Output_data_plt_i386::address_for_local): New function.
1597         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1598         IRELATIVE GOT when changing IFUNC GOT entries.
1599         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1600         reloc.
1601         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1602         if we didn't create an IRELATIVE GOT.
1603         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1604         plt_address_for_local.
1605         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1606         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1607         got_irelative_, and irelative_count_ fields.  Update
1608         declarations.
1609         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1610         Initialize new fields.  Remove symtab parameter.  Change all
1611         callers.
1612         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1613         irelative_count_.
1614         (Output_data_plt_x86_64::has_irelative_section): New function.
1615         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1616         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1617         fields.  Update declarations.
1618         (Target_x86_64::Target_x86_64): Initialize new fields.
1619         (Target_x86_64::do_plt_address_for_global): New function replacing
1620         do_plt_section_for_global.
1621         (Target_x86_64::do_plt_address_for_local): New function replacing
1622         do_plt_section_for_local.
1623         (Target_x86_64::got_section): Create got_irelative_.
1624         (Target_x86_64::rela_irelative_section): New function.
1625         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1626         all callers.  Don't create __rel_iplt_{start,end}.
1627         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1628         parameters.  Change all callers.  Use different PLT and GOT for
1629         IFUNC symbols.
1630         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1631         layout parameters.  Change all callers.  Use different PLT and
1632         GOT.
1633         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1634         parameters.  Change all callers.  Use different PLT and GOT for
1635         IFUNC symbols.
1636         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1637         (Output_data_plt_x86_64::rela_irelative): New function.
1638         (Output_data_plt_x86_64::address_for_global): New function.
1639         (Output_data_plt_x86_64::address_for_local): New function.
1640         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1641         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1642         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1643         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1644         parameters.
1645         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1646         reloc.
1647         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1648         symbols if we didn't create an IRELATIVE GOT.
1649         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1650         plt_address_for_local.
1651         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1652         * testsuite/ifuncvar1.c: New test file.
1653         * testsuite/ifuncvar2.c: New test file.
1654         * testsuite/ifuncvar3.c: New test file.
1655         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1656         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1657         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1658         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1659         * testsuite/Makefile.in: Rebuild.
1660
1661 2011-07-07  Cary Coutant  <ccoutant@google.com>
1662
1663         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1664         (two_file_test_1_ndebug.o): Likewise.
1665         (two_file_test_1b_ndebug.o): Likewise.
1666         (two_file_test_2_ndebug.o): Likewise.
1667         (two_file_test_main_ndebug.o): Likewise.
1668         (incremental_test_2): Link with no-debug versions.
1669
1670 2011-07-06  Cary Coutant  <ccoutant@google.com>
1671
1672         * gold/incremental.cc
1673         (Output_section_incremental_inputs::write_info_blocks): Check for
1674         hidden and internal symbols.
1675
1676 2011-07-06  Cary Coutant  <ccoutant@google.com>
1677
1678         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1679         Check disposition for startup file.
1680         (Incremental_inputs::report_command_line): Ignore
1681         --incremental-startup-unchanged option.
1682         * options.cc (General_options::parse_incremental_startup_unchanged):
1683         New function.
1684         (General_options::General_options): Initialize new data member.
1685         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1686         (General_options): Add --incremental-startup-unchanged option.
1687         (General_options::incremental_startup_disposition): New function.
1688         (General_options::incremental_startup_disposition_): New data member.
1689
1690 2011-07-06  Cary Coutant  <ccoutant@google.com>
1691
1692         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1693         input file index to Script_info ctor.
1694         (Sized_incremental_binary::do_file_has_changed): Find the
1695         command-line argument for files named in scripts.
1696         * incremental.h (Script_info::Script_info): New ctor
1697         with input file index.
1698         (Script_info::input_file_index): New function.
1699         (Script_info::input_file_index_): New data member.
1700         (Incremental_binary::get_library): Add const.
1701         (Incremental_binary::get_script_info): Add const.
1702         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1703         * testsuite/Makefile.am (incremental_test_5): New test case.
1704         (incremental_test_6): New test case.
1705         * testsuite/Makefile.in: Regenerate.
1706
1707 2011-07-06  Cary Coutant  <ccoutant@google.com>
1708
1709         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1710         debug output when command lines differ.
1711
1712 2011-07-06  Cary Coutant  <ccoutant@google.com>
1713
1714         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1715         --incremental-patch option.
1716         * layout.cc (Free_list::allocate): Extend allocation beyond original
1717         end if enabled.
1718         (Layout::make_output_section): Mark sections that should get
1719         patch space.
1720         * options.cc (parse_percent): New function.
1721         * options.h (parse_percent): New function.
1722         (DEFINE_percent): New macro.
1723         (General_options): Add --incremental-patch option.
1724         * output.cc (Output_section::Output_section): Initialize new data
1725         members.
1726         (Output_section::add_input_section): Print section name when out
1727         of patch space.
1728         (Output_section::add_output_section_data): Likewise.
1729         (Output_section::set_final_data_size): Add patch space when
1730         doing --incremental-full.
1731         (Output_section::do_reset_address_and_file_offset): Remove patch
1732         space.
1733         (Output_segment::set_section_list_addresses): Print debug output
1734         only if --incremental-update.
1735         * output.h (Output_section::set_is_patch_space_allowed): New function.
1736         (Output_section::is_patch_space_allowed_): New data member.
1737         (Output_section::patch_space_): New data member.
1738         * parameters.cc (Parameters::incremental_full): New function.
1739         * parameters.h (Parameters::incremental_full): New function
1740         * testsuite/Makefile.am (incremental_test_2): Add test for
1741         --incremental-patch option.
1742         * testsuite/Makefile.in: Regenerate.
1743         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1744         (t18): Remove function body.
1745
1746 2011-07-05  Doug Kwan  <dougkwan@google.com>
1747
1748         PR gold/12771
1749         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1750         Arm_Address type for relocation result.
1751         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1752         overflow check.
1753         (Arm_relocate_functions::abs32): Use unaligned access.
1754         (Arm_relocate_functions::rel32): Ditto.
1755         (Arm_relocate_functions::prel31): Ditto.
1756         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1757         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1758         static data relocations.
1759         * testsuite/Makefile.in: Regnerate.
1760         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1761
1762 2011-07-05  Ian Lance Taylor  <iant@google.com>
1763
1764         PR gold/12392
1765         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1766         symbols if necessary.
1767         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1768
1769 2011-07-05  Ian Lance Taylor  <iant@google.com>
1770
1771         PR gold/12952
1772         * resolve.cc (Symbol::override_base_with_special): Simply override
1773         version with special symbol version, ignoring previous version.
1774
1775 2011-07-05  Ian Lance Taylor  <iant@google.com>
1776
1777         * object.cc (Sized_relobj_file::include_section_group): Add
1778         information to comment about signature location.
1779
1780 2011-07-02  Ian Lance Taylor  <iant@google.com>
1781
1782         PR gold/12957
1783         * options.h (class General_options): Add -f and -F.
1784         * options.cc (General_options::finalize): Fatal error if -f/-F
1785         are used without -shared.
1786         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1787
1788 2011-07-02  Ian Lance Taylor  <iant@google.com>
1789
1790         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1791
1792 2011-07-01  Ian Lance Taylor  <iant@google.com>
1793
1794         PR gold/12525
1795         PR gold/12952
1796         * resolve.cc (Symbol::override_base_with_special): Don't override
1797         the version if the overriding symbol has a different name.
1798         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1799         all callers.  If we give an error about an undefined version,
1800         define the base version if necessary.
1801         * dynobj.h (class Versions): Update declaration.
1802         * testsuite/weak_alias_test_5.cc: New file.
1803         * testsuite/weak_alias_test.script: New file.
1804         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1805         and versioned_alias have the right value, and call t2.
1806         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1807         weak_alias_test_5.so.
1808         (weak_alias_test_LDADD): Likewise.
1809         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1810         * testsuite/Makefile.in: Rebuild.
1811
1812 2011-07-01  Ian Lance Taylor  <iant@google.com>
1813
1814         PR gold/12525
1815         * options.h (class General_options): Support -z notext.
1816         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1817         -Wl,-z,notext.
1818         (two_file_shared_nonpic.so): Likewise.
1819         (two_file_shared_mixed.so): Likewise.
1820         (two_file_shared_mixed_1.so): Likewise.
1821         (weak_undef_lib_nonpic.so): Likewise.
1822         (alt/weak_undef_lib_nonpic.so): Likewise.
1823         (tls_test_shared_nonpic.so): Likewise.
1824         * testsuite/Makefile.in: Rebuild.
1825
1826 2011-07-01  Ian Lance Taylor  <iant@google.com>
1827
1828         PR gold/12525
1829         * configure.ac: Test whether static linking works, setting
1830         the automake conditional HAVE_STATIC.
1831         * testsuite/Makefile.am: Disable tests using -static if
1832         HAVE_STATIC is not true.
1833         * configure, testsuite/Makefile.in: Rebuild.
1834
1835 2011-07-01  Ian Lance Taylor  <iant@google.com>
1836
1837         PR gold/12525
1838         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1839         Assert if we see DW_EH_PE_indirect.
1840         * target.h (Target::ehframe_datarel_base): New function.
1841         (Target::do_ehframe_datarel_base): New target function.
1842         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1843         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1844         function.
1845
1846 2011-07-01  Ian Lance Taylor  <iant@google.com>
1847
1848         PR gold/12571
1849         * options.h (class General_options): Add
1850         --ld-generated-unwind-info.
1851         * ehframe.cc (Fde::write): Add address parameter.  Change all
1852         callers.  If associated with PLT, fill in address and size.
1853         (Cie::set_output_offset): Only add merge mapping if there is an
1854         object.
1855         (Cie::write): Add address parameter.  Change all callers.
1856         (Eh_frame::add_ehframe_for_plt): New function.
1857         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1858         input_offset_ fields into union u_, with new plt field.
1859         (Fde::Fde): Adjust for new union field.
1860         (Fde::Fde) [Output_data version]: New constructor.
1861         (Fde::add_mapping): Only add merge mapping if there is an object.
1862         (class Cie): Update declarations.
1863         (class Eh_frame): Declare add_ehframe_for_plt.
1864         * layout.cc (Layout::layout_eh_frame): Break out code into
1865         make_eh_frame_section, and call it.
1866         (Layout::make_eh_frame_section): New function.
1867         (Layout::add_eh_frame_for_plt): New function.
1868         * layout.h (class Layout): Update declarations.
1869         * merge.cc (Merge_map::add_mapping): Add assertion.
1870         * i386.cc: Include "dwarf.h".
1871         (class Output_data_plt_i386): Make first_plt_entry,
1872         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1873         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1874         and plt_eh_frame_fde.
1875         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1876         boundary.  Call add_eh_frame_for_plt if appropriate.
1877         * x86_64.cc: Include "dwarf.h".
1878         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1879         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1880         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1881         and plt_eh_frame_fde.
1882         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1883         appropriate.
1884
1885 2011-06-29  Ian Lance Taylor  <iant@google.com>
1886
1887         PR gold/12629
1888         * object.cc (Sized_relobj_file::layout_section): Change shdr
1889         parameter to be const.
1890         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1891         out of do_layout.
1892         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1893         appropriate.  Call layout_eh_frame_section.
1894         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1895         sections.
1896         * object.h (class Sized_relobj_file): Update declarations.
1897
1898 2011-06-29  Ian Lance Taylor  <iant@google.com>
1899
1900         PR gold/12652
1901         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1902         modifier.
1903         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1904
1905 2011-06-29  Ian Lance Taylor  <iant@google.com>
1906
1907         PR gold/12675
1908         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1909         SHT_X86_64_UNWIND.
1910         * layout.cc (Layout::layout_eh_frame): Likewise.
1911
1912 2011-06-29  Ian Lance Taylor  <iant@google.com>
1913
1914         PR gold/12695
1915         * layout.cc (Layout::symtab_section_shndx): New function.
1916         * layout.h (class Layout): Declare symtab_section_shndx.
1917         * output.cc (Output_section::write_header): Call it.
1918
1919 2011-06-29  Ian Lance Taylor  <iant@google.com>
1920
1921         PR gold/12818
1922         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1923         symbols which are not used in a relocation.
1924
1925 2011-06-28  Ian Lance Taylor  <iant@google.com>
1926
1927         PR gold/12898
1928         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1929         script create indistinguishable segments.
1930         (Layout::set_segment_offsets): Use stable_sort when sorting
1931         segments.  Pass this to Compare_segments constructor.
1932         * layout.h (class Layout): Make segment_precedes non-static.
1933         (class Compare_segments): Change from struct to class.  Add
1934         layout_ field.  Add constructor.
1935         * script-sections.cc
1936         (Script_sections::attach_sections_using_phdrs_clause): Rename
1937         local orphan to is_orphan.  Don't report failure to put empty
1938         section in segment.  On attachment failure, report name of
1939         section, and attach to first PT_LOAD segment.
1940
1941 2011-06-28  Ian Lance Taylor  <iant@google.com>
1942
1943         PR gold/12934
1944         * target-select.cc (Target_selector::Target_selector): Add
1945         emulation parameter.  Change all callers.
1946         (select_target_by_bfd_name): Rename from select_target_by_name.
1947         Change all callers.
1948         (select_target_by_emulation): New function.
1949         (supported_emulation_names): New function.
1950         * target-select.h (class Target_selector): Add emulation_ field.
1951         Update declarations.
1952         (Target_selector::recognize_by_bfd_name): Rename from
1953         recognize_by_name.  Change all callers.
1954         (Target_selector::supported_bfd_names): Rename from
1955         supported_names.  Change all callers.
1956         (Target_selector::recognize_by_emulation): New function.
1957         (Target_selector::supported_emulations): New function.
1958         (Target_selector::emulation): New function.
1959         (Target_selector::do_recognize_by_bfd_name): Rename from
1960         do_recognize_by_name.  Change all callers.
1961         (Target_selector::do_supported_bfd_names): Rename from
1962         do_supported_names.  Change all callers.
1963         (Target_selector::do_recognize_by_emulation): New function.
1964         (Target_selector::do_supported_emulations): New function.
1965         (select_target_by_bfd_name): Change name in declaration.
1966         (select_target_by_emulation): Declare.
1967         (supported_emulation_names): Declare.
1968         * parameters.cc (parameters_force_valid_target): Try to find
1969         target based on emulation from -m option.
1970         * options.h (class General_options): Change doc string for -m.
1971         * options.cc (help): Print emulations.
1972         (General_options::parse_V): Likewise.
1973         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1974         Add emulation parameter.  Change all callers.
1975
1976 2011-06-28  Ian Lance Taylor  <iant@google.com>
1977
1978         * target.h (class Target): Add osabi_ field.
1979         (Target::osabi): New function.
1980         (Target::set_osabi): New function.
1981         (Target::Target): Initialize osabi_.
1982         (Target::do_adjust_elf_header): Make pure virtual.
1983         (Sized_target::do_adjust_elf_header): Declare.
1984         * target.cc (Sized_target::do_adjust_elf_header): New function.
1985         (class Sized_target): Instantiate all versions.
1986         * freebsd.h (class Target_freebsd): Remove.
1987         (Target_selector_freebsd::do_recognize): Call set_osabi on
1988         Target.
1989         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1990         (Target_selector_freebsd::set_osabi): Remove.
1991         * i386.cc (class Target_i386): Inherit from Sized_target rather
1992         than Target_freebsd.
1993         * x86_64.cc (class Target_x86_64): Likewise.
1994
1995 2011-06-28  Ian Lance Taylor  <iant@google.com>
1996
1997         * target.h (Target::can_check_for_function_pointers): Rewrite.
1998         Make non-virtual.
1999         (Target::can_icf_inline_merge_sections): Likewise.
2000         (Target::section_may_have_icf_unsafe_poineters): Likewise.
2001         (Target::Target_info): Add can_icf_inline_merge_sections field.
2002         (Target::do_can_check_for_function_pointers): New virtual
2003         function.
2004         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
2005         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
2006         from can_check_for_function_pointers, move in file.
2007         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
2008         section_may_have_icf_unsafe_poineters, move in file.
2009         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
2010         * i386.cc (Target_i386::do_can_check_for_function_pointers):
2011         Rename from can_check_for_function_pointers, move in file.
2012         (Target_i386::can_icf_inline_merge_sections): Remove.
2013         (Target_i386::i386_info): Initialize
2014         can_icf_inline_merge_sections.
2015         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2016         Initialize can_icf_inline_merge_sections.
2017         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
2018         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
2019         Rename from can_check_for_function_pointers, move in file.
2020         (Target_x86_64::can_icf_inline_merge_sections): Remove.
2021         (Target_x86_64::x86_64_info): Initialize
2022         can_icf_inline_merge_sections.
2023         * testsuite/testfile.cc (Target_test::test_target_info):
2024         Likewise.
2025         * icf.cc (get_section_contents): Correct formatting.
2026
2027 2011-06-27  Ian Lance Taylor  <iant@google.com>
2028
2029         * symtab.cc (Symbol::versioned_name): New function.
2030         (Symbol_table::add_to_final_symtab): Use versioned_name when
2031         appropriate.
2032         (Symbol_table::sized_write_symbol): Likewise.
2033         * symtab.h (class Symbol): Declare versioned_name.
2034         * stringpool.h (class Stringpool_template): Add variant of add
2035         which takes a std::basic_string.
2036         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
2037         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
2038         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
2039         (ver_test_12.o): New target.
2040         * testsuite/Makefile.in: Rebuild.
2041
2042 2011-06-27  Doug Kwan  <dougkwan@google.com>
2043
2044         * arm.cc (Arm_relocate_functions::thm_jump8,
2045         Arm_relocate_functions::thm_jump11): Use a wider signed
2046         type to compute offset.
2047         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
2048         arm_thm_jump8.
2049         * testsuite/Makefile.in: Regenerate.
2050         * testsuite/arm_branch_in_range.sh: Check test results of
2051         arm_thm_jump11 and arm_thm_jump8.
2052         * testsuite/arm_thm_jump11.s: New test source file.
2053         * testsuite/arm_thm_jump11.t: New linker script.
2054         * testsuite/arm_thm_jump8.s: New test source file.
2055         * testsuite/arm_thm_jump8.t: New linker script.
2056
2057 2011-06-24  Ian Lance Taylor  <iant@google.com>
2058
2059         * layout.cc: Include "object.h".
2060         (ctors_sections_in_init_array): New static variable.
2061         (Layout::is_ctors_in_init_array): New function.
2062         (Layout::layout): Add entry to ctors_sections_in_init_array if
2063         appropriate.
2064         * layout.h (class Layout): Declare is_ctors_in_init_array.
2065         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
2066         is_ctors_reverse_view is set.
2067         (Sized_relobj_file::write_sections): Add layout parameter.  Change
2068         all callers.  Set is_ctors_reverse_view field of View_size.
2069         (Sized_relobj_file::reverse_words): New function.
2070         * object.h (Sized_relobj_file::View_size): Add
2071         is_ctors_reverse_view field.
2072         (class Sized_relobj_file): Update declarations.
2073         * testsuite/initpri3.c: New test.
2074         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
2075         initpri3b.
2076         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
2077         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
2078         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
2079         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
2080         * testsuite/Makefile.in: Rebuild.
2081
2082 2011-06-24  Cary Coutant  <ccoutant@google.com>
2083
2084         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
2085         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
2086         (debug_msg_cdebug.err): New targets.
2087         * testsuite/Makefile.in: Regenerate.
2088         * testsuite/debug_msg.sh: Check output of link with compressed debug.
2089         Fix checks for link with shared library.
2090
2091 2011-06-24  Doug Kwan  <dougkwan@google.com>
2092
2093         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
2094         skip empty text sections.
2095         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
2096
2097 2011-06-22  Ian Lance Taylor  <iant@google.com>
2098
2099         PR gold/12910
2100         * options.h (class General_options): Add --ctors-in-init-array.
2101         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
2102         friends as SHT_PROGBITS for merging sections.
2103         (Layout::layout): Remove special handling of .init_array and
2104         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2105         and .dtors if ctors_in_init_array.
2106         (Layout::make_output_section): Force correct section types for
2107         .init_array and friends.  Don't sort if doing relocatable link,
2108         Don't sort .ctors and .dtors if ctors_in_init_array.
2109         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
2110         (Layout::output_section_name): Add relobj parameter.  Change all
2111         callers.  Handle .ctors. and .dtors. in code rather than table.
2112         Handle .ctors and .dtors if ctors_in_init_array.
2113         (Layout::match_file_name): New function, moved from output.cc.
2114         * layout.h (class Layout): Update declarations.
2115         * output.cc: Include "layout.h".
2116         (Input_section_sort_entry::get_priority): New function.
2117         (Input_section_sort_entry::match_file_name): Just call
2118         Layout::match_file_name.
2119         (Output_section::Input_section_sort_init_fini_compare::operator()):
2120         Handle .ctors and .dtors.  Sort by explicit priority rather than
2121         by name.
2122         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2123         * testsuite/initpri2.c: New test.
2124         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2125         (check_PROGRAMS): Add initpri2.
2126         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2127         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2128         * configure, testsuite/Makefile.in: Rebuild.
2129
2130 2011-06-19  Ian Lance Taylor  <iant@google.com>
2131
2132         PR gold/12880
2133         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2134         .interp section to a PT_INTERP segment even if we have seen a
2135         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2136         clause in a linker script.
2137         (Layout::finalize): Don't create a .interp section if we've
2138         already create a PT_INTERP segment.
2139         (Layout::create_interp): Always call choose_output_section (revert
2140         patch of 2011-06-17).  Don't create PT_INTERP segment.
2141         * script-sections.cc
2142         (Script_sections::create_note_and_tls_segments): Add a .interp
2143         section to a PT_INTERP segment even if we have seen a
2144         --dynamic-linker option.
2145
2146 2011-06-18  Ian Lance Taylor  <iant@google.com>
2147
2148         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2149         merely because a non-PT_LOAD segment has a dynamic reloc.
2150
2151 2011-06-18  Ian Lance Taylor  <iant@google.com>
2152
2153         * layout.cc (Layout::finish_dynamic_section): Don't create
2154         DT_FLAGS entry if not needed.
2155
2156 2011-06-18  Ian Lance Taylor  <iant@google.com>
2157
2158         PR gold/12745
2159         * layout.cc (Layout::layout_eh_frame): Correct handling of
2160         writable .eh_frame section.
2161
2162 2011-06-17  Ian Lance Taylor  <iant@google.com>
2163
2164         PR gold/12893
2165         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2166         symbol is redefined with the exact same object and value.
2167
2168 2011-06-17  Ian Lance Taylor  <iant@google.com>
2169
2170         PR gold/12880
2171         * layout.h (class Layout): Add interp_segment_ field.
2172         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2173         (Layout::attach_allocated_section_to_segment): If making shared
2174         library, put .interp section in PT_INTERP segment.
2175         (Layout::finalize): Also call create_interp if -dynamic-linker
2176         option was used.
2177         (Layout::create_interp): Assert that there is no PT_INTERP
2178         segment.  If not using a SECTIONS clause, use make_output_section.
2179         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2180         * script-sections.cc
2181         (Script_sections::create_note_and_tls_segments): If making shared
2182         library, put .interp section in PT_INTERP segment.
2183
2184 2011-06-17  Ian Lance Taylor  <iant@google.com>
2185
2186         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2187         when making a shared library.
2188
2189 2011-06-17  Ian Lance Taylor  <iant@google.com>
2190
2191         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2192         parameter.  Change all callers.  Don't issue warning about PC32
2193         against locally defined symbol.
2194
2195 2011-06-16  Ian Lance Taylor  <iant@google.com>
2196
2197         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2198         occurs in same object.
2199
2200 2011-06-14  Alan Modra  <amodra@gmail.com>
2201
2202         * po/POTFILES.in: Regenerate.
2203
2204 2011-06-09  Ian Lance Taylor  <iant@google.com>
2205
2206         * script-sections.cc
2207         (Orphan_output_section::set_section_addresses): For a relocatable
2208         link set address to 0.
2209
2210 2011-06-09  Cary Coutant  <ccoutant@google.com>
2211
2212         PR gold/12804
2213         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2214         used with --compress-debug-sections.
2215         * gold/object.cc (Sized_relobj_file::do_layout): Report
2216         uncompressed size of compressed input sections.
2217
2218 2011-06-08  Cary Coutant  <ccoutant@google.com>
2219
2220         PR gold/12804
2221         * testsuite/two_file_test_2_v1.cc: Change initialization of
2222         v2 to keep it in .data.
2223
2224 2011-06-07  Cary Coutant  <ccoutant@google.com>
2225
2226         * common.cc (Symbol_table::do_allocate_commons_list): Call
2227         gold_fallback.
2228         * errors.cc (Errors::fatal): Adjust call to gold_exit.
2229         (Errors::fallback): New function.
2230         (gold_fallback): New function.
2231         * errors.h (Errors::fallback): New function.
2232         * gold.cc (gold_exit): Change status parameter to enum; adjust
2233         all callers.
2234         (queue_initial_tasks): Call gold_fallback.
2235         * gold.h: Include cstdlib.
2236         (Exit_status): New enum type.
2237         (gold_exit): Change status parameter to enum.
2238         (gold_fallback): New function.
2239         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
2240         (Layout::create_symtab_sections): Likewise.
2241         (Layout::create_shdrs): Likewise.
2242         * main.cc (main): Adjust call to gold_exit.
2243         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
2244         (Output_data_got::add_got_entry_pair): Likewise.
2245         (Output_section::add_input_section): Likewise.
2246         (Output_section::add_output_section_data): Likewise.
2247         (Output_segment::set_section_list_addresses): Likewise.
2248         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
2249
2250 2011-06-07  Cary Coutant  <ccoutant@google.com>
2251
2252         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
2253         for incremental links.
2254         * output.cc (Output_segment::set_section_list_addresses): Remove
2255         FIXME and test for TLS or BSS.
2256
2257 2011-06-07  Cary Coutant  <ccoutant@google.com>
2258
2259         * testsuite/Makefile.am: Add incremental_copy_test,
2260         incremental_common_test_1.
2261         * testsuite/Makefile.in: Regenerate.
2262         * testsuite/common_test_1_v1.c: New source file.
2263         * testsuite/common_test_1_v2.c: New source file.
2264         * testsuite/copy_test_v1.cc: New source file.
2265
2266 2011-06-07  Cary Coutant  <ccoutant@google.com>
2267
2268         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
2269         update, allocate common from bss section's free list.
2270         * incremental-dump.cc (dump_incremental_inputs): Print flag for
2271         linker-defined symbols.
2272         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2273         Skip GOT and PLT entries that are no longer referenced.
2274         (Output_section_incremental_inputs::write_info_blocks): Mark
2275         linker-defined symbols.
2276         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
2277         * output.cc (Output_section::allocate): New function.
2278         * output.h (Output_section::allocate): New function.
2279         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
2280         linker-defined symbols.
2281         (Symbol::override_base_with_special): Copy is_predefined_ flag.
2282         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
2283         (Symbol::init_base_output_data): Likewise.
2284         (Symbol::init_base_output_segment): Likewise.
2285         (Symbol::init_base_constant): Likewise.
2286         (Sized_symbol::init_output_data): Likewise.
2287         (Sized_symbol::init_output_segment): Likewise.
2288         (Sized_symbol::init_constant): Likewise.
2289         (Symbol_table::do_define_in_output_data): Likewise.
2290         (Symbol_table::do_define_in_output_segment): Likewise.
2291         (Symbol_table::do_define_as_constant): Likewise.
2292         * symtab.h (Symbol::is_predefined): New function.
2293         (Symbol::init_base_output_data): Add is_predefined parameter.
2294         (Symbol::init_base_output_segment): Likewise.
2295         (Symbol::init_base_constant): Likewise.
2296         (Symbol::is_predefined_): New data member.
2297         (Sized_symbol::init_output_data): Add is_predefined parameter.
2298         (Sized_symbol::init_output_segment): Likewise.
2299         (Sized_symbol::init_constant): Likewise.
2300         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
2301
2302 2011-06-07  Cary Coutant  <ccoutant@google.com>
2303
2304         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
2305         instead of emit_copy_reloc.
2306         (Copy_relocs::emit_copy_reloc): Refactor.
2307         (Copy_relocs::make_copy_reloc): New function.
2308         (Copy_relocs::add_copy_reloc): Remove.
2309         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
2310         section.
2311         (Copy_relocs::make_copy_reloc): New function.
2312         (Copy_relocs::add_copy_reloc): Remove.
2313         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
2314         unchanged input files.
2315         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
2316         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
2317         Reserve BSS space for COPY relocations.
2318         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2319         (Output_section_incremental_inputs::write_info_blocks): Record
2320         whether a symbol is copied from a shared object.
2321         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
2322         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
2323         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
2324         (Incremental_input_entry_reader::get_output_symbol_index): Add
2325         is_copy parameter.
2326         (Incremental_binary::emit_copy_relocs): New function.
2327         (Incremental_binary::do_emit_copy_relocs): New function.
2328         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2329         new data member.
2330         (Sized_incremental_binary::add_copy_reloc): New function.
2331         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2332         (Sized_incremental_binary::Copy_reloc): New struct.
2333         (Sized_incremental_binary::Copy_relocs): New typedef.
2334         (Sized_incremental_binary::copy_relocs_): New data member.
2335         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
2336         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
2337         * target.h (Sized_target::emit_copy_reloc): New function.
2338         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
2339
2340 2011-06-02  Cary Coutant  <ccoutant@google.com>
2341
2342         PR gold/12163
2343         * gold/archive.cc (Archive::Archive): Initialize new data member.
2344         (Archive::include_all_members): Return if archive has already been
2345         included.
2346         * gold/archive.h (Archive::include_all_members_): New data member.
2347
2348 2011-06-02  Nick Clifton  <nickc@redhat.com>
2349
2350         * dynobj.h: Fix spelling mistake in comment.
2351         * output.cc: Likewise.
2352
2353 2011-05-31  Doug Kwan  <dougkwan@google.com>
2354             Asier Llano
2355
2356         PR gold/12826
2357         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
2358         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
2359         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
2360         redundant arm_exidx_test.so.
2361         * testsuite/Makefile.in: Regenerate.
2362         (check_SCRIPTS): Add pr12826.sh
2363         (check_DATA): Add pr12826.stdout
2364         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
2365         * testsuite/pr12826.sh: New file.
2366         * testsuite/pr12826_1.s: Ditto.
2367         * testsuite/pr12826_1.s: Ditto.
2368
2369 2011-05-30  Ian Lance Taylor  <iant@google.com>
2370
2371         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
2372         sections.
2373
2374 2011-05-29  Ian Lance Taylor  <iant@google.com>
2375
2376         PR gold/12804
2377         * testsuite/Makefile.am: Use different file name for two_file_test
2378         temporary file for each incremental test.
2379         * testsuite/Makefile.in: Rebuild.
2380
2381 2011-05-29  Ian Lance Taylor  <iant@google.com>
2382
2383         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
2384         binary input file is empty.
2385
2386 2011-05-27  Ian Lance Taylor  <iant@google.com>
2387
2388         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
2389         (ver_test_9.so): Likewise.
2390         * testsuite/Makefile.in: Rebuild.
2391
2392 2011-05-26 Cary Coutant  <ccoutant@google.com>
2393
2394         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
2395         * incremental.cc (Incremental_inputs::report_input_section): Fix
2396         comment, indentation.
2397         (Incremental_inputs::report_comdat_group): New function.
2398         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2399         of data for incremental input file entry.
2400         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
2401         group count, COMDAT group signatures.
2402         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
2403         an unchanged input file.
2404         * incremental.h (Incremental_object_entry::Incremental_object_entry):
2405         Initialize new data member.
2406         (Incremental_object_entry::add_comdat_group): New function.
2407         (Incremental_object_entry::get_comdat_group_count): New function.
2408         (Incremental_object_entry::get_comdat_signature_key): New function.
2409         (Incremental_object_entry::groups_): New data member.
2410         (Incremental_inputs::report_comdat_group): New function.
2411         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
2412         data for incremental input file entry.
2413         (Incremental_input_entry_reader::get_comdat_group_count): New function.
2414         (Incremental_input_entry_reader::get_input_section): Adjust size of
2415         data for incremental input file entry.
2416         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
2417         (Incremental_input_entry_reader::get_comdat_group_signature): New
2418         function.
2419         * object.cc (Sized_relobj::include_section_group): Report kept
2420         COMDAT groups for incremental links.
2421
2422 2011-05-24  David Meyer  <pdox@google.com>
2423
2424         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
2425         with name parameter.  Add found_name parameter.
2426         * fileread.cc (Input_file::find_file): Adjust code accordingly.
2427         * dirsearch.h (class Dirsearch): Update declaration.
2428
2429 2011-05-24  Ian Lance Taylor  <iant@google.com>
2430
2431         * archive.cc (Library_base::should_include_member): Pull in object
2432         from archive if it defines the entry symbol.
2433         * parameters.cc (Parameters::entry): New function.
2434         * parameters.h (class Parameters): Declare entry.
2435         * output.h (class Output_file_header): Remove entry_ field.
2436         * output.cc (Output_file_header::Output_file_header): Remove entry
2437         parameter.  Change all callers.
2438         (Output_file_header::entry): Use parameters->entry.
2439         * gold.cc (queue_middle_tasks): Likewise.
2440         * plugin.cc (Plugin_hook::run): Likewise.
2441
2442 2011-05-24 Cary Coutant  <ccoutant@google.com>
2443
2444         * gold.cc (queue_initial_tasks): Pass incremental base filename
2445         to Output_file::open_base_file; don't print error message.
2446         * incremental-dump.cc (main): Adjust call to
2447         Output_file::open_for_modification.
2448         * incremental-dump.cc (main): Likewise.
2449         * incremental.cc (Incremental_inputs::report_command_line):
2450         Ignore --incremental-base option when comparing command lines.
2451         Ignore parameter when given as separate argument.
2452         * options.h (class General_options): Add --incremental-base.
2453         * output.cc (Output_file::Output_file):
2454         (Output_file::open_base_file): Add base_name and writable parameters;
2455         read base file into new file; print error message here.
2456         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2457         callers.
2458         * output.h (Output_file::open_for_modification): Rename to...
2459         (Output_file::open_base_file): ...this; add base_name and
2460         writable parameters; adjust all callers.
2461         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2462         callers.
2463         * testsuite/Makefile.am (incremental_test_4): Test
2464         --incremental-base.
2465         * testsuite/Makefile.in: Regenerate.
2466
2467 2011-05-24 Cary Coutant  <ccoutant@google.com>
2468
2469         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
2470         incremental_test_4.
2471         * testsuite/Makefile.in: Regenerate.
2472         * testsuite/two_file_test_1_v1.cc: New test source file.
2473         * testsuite/two_file_test_1b_v1.cc: New test source file.
2474         * testsuite/two_file_test_2_v1.cc: New test source file.
2475
2476 2011-05-24 Cary Coutant  <ccoutant@google.com>
2477
2478         * dynobj.h (Dynobj::do_dynobj): New function.
2479         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
2480         flag and soname for shared objects.
2481         * incremental.cc (Incremental_inputs::report_object): Make
2482         either Incremental_object_entry or Incremental_dynobj_entry; add
2483         soname to string table.
2484         (Incremental_inputs::report_input_section): Add assertion.
2485         (Output_section_incremental_inputs::set_final_data_size): Adjust
2486         type of input file entry for shared libraries; adjust size of
2487         shared library info entry.
2488         (Output_section_incremental_inputs::write_input_files): Write
2489         as_needed flag for shared libraries.
2490         (Output_section_incremental_inputs::write_info_blocks): Adjust type
2491         of input file entry for shared libraries; write soname.
2492         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
2493         soname from incremental info.
2494         * incremental.h (enum Incremental_input_flags): Add
2495         INCREMENTAL_INPUT_AS_NEEDED.
2496         (Incremental_input_entry::Incremental_input_entry): Initialize new
2497         data member.
2498         (Incremental_input_entry::set_as_needed): New function.
2499         (Incremental_input_entry::as_needed): New function.
2500         (Incremental_input_entry::do_dynobj_entry): New function.
2501         (Incremental_input_entry::as_needed_): New data member.
2502         (Incremental_object_entry::Incremental_object_entry): Don't check
2503         for shared library.
2504         (Incremental_object_entry::do_type): Likewise.
2505         (class Incremental_dynobj_entry): New class.
2506         (Incremental_input_entry_reader::as_needed): New function.
2507         (Incremental_input_entry_reader::get_soname): New function.
2508         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
2509         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
2510         size of shared library info entry.
2511         * layout.cc (Layout::finish_dynamic_section): Don't test for
2512         incremental link when adding DT_NEEDED entries.
2513         * object.h (Object::Object): Initialize new data member.
2514         (Object::dynobj): New function.
2515         (Object::set_as_needed): New function.
2516         (Object::as_needed): New function.
2517         (Object::do_dynobj): New function.
2518         (Object::as_needed_): New data member.
2519
2520 2011-05-24 Cary Coutant  <ccoutant@google.com>
2521
2522         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2523         info; adjust display of GOT entries.
2524         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2525         vector of input objects; remove file_status_.
2526         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2527         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2528         got_plt reader; call target hooks to reserve GOT entries.
2529         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2530         of input file info header and GOT info entry.
2531         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2532         relocation info.
2533         (Got_plt_view_info::got_descriptor): Remove.
2534         (Got_plt_view_info::sym_index): New data member.
2535         (Got_plt_view_info::input_index): New data member.
2536         (Local_got_offset_visitor::visit): Write input file index.
2537         (Global_got_offset_visitor::visit): Write 0 for input file index.
2538         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2539         with sym_index and input_index.
2540         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2541         incremental info GOT entry; replace got_descriptor with input_index.
2542         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2543         map from input file index to object.
2544         (Sized_relobj_incr::do_layout): Replace direct data member reference
2545         with accessor function.
2546         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2547         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2548         Adjust size of input file info header.
2549         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2550         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2551         (Incremental_input_entry_reader::get_input_section): Adjust size of
2552         input file info header.
2553         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2554         of incremental info GOT entry.
2555         (Incremental_got_plt_reader::get_got_desc): Remove.
2556         (Incremental_got_plt_reader::get_got_symndx): New function.
2557         (Incremental_got_plt_reader::get_got_input_index): New function.
2558         (Sized_incremental_binary::Sized_incremental_binary): Remove
2559         file_status_; add input_objects_.
2560         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2561         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2562         (Sized_incremental_binary::file_is_unchanged): Remove.
2563         (Sized_incremental_binary::set_input_object): New function.
2564         (Sized_incremental_binary::input_object): New function.
2565         (Sized_incremental_binary::file_status_): Remove.
2566         (Sized_incremental_binary::input_objects_): New data member.
2567         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2568         references.
2569         (Sized_relobj_incr::invalid_address): Move to base class.
2570         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2571         class.
2572         (Sized_relobj_incr::do_output_section_offset): Likewise.
2573         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2574         (Sized_relobj_incr::section_offsets_): Likewise.
2575         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2576         function.
2577         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2578         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2579         with accessor function.
2580         (Sized_relobj_file::do_layout): Likewise.
2581         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2582         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2583         (Sized_relobj_file::compute_final_local_value): Replace refs to
2584         section_offsets_ with accessor function.
2585         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2586         * object.h (Relobj::Relobj): Initialize new data members.
2587         (Relobj::add_dyn_reloc): New function.
2588         (Relobj::first_dyn_reloc): New function.
2589         (Relobj::dyn_reloc_count): New function.
2590         (Relobj::first_dyn_reloc_): New data member.
2591         (Relobj::dyn_reloc_count_): New data member.
2592         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2593         references.
2594         (Sized_relobj::Address): New typedef.
2595         (Sized_relobj::invalid_address): Move here from child class.
2596         (Sized_relobj::Sized_relobj): Initialize new data members.
2597         (Sized_relobj::sized_relobj): New function.
2598         (Sized_relobj::is_output_section_offset_invalid): Move here from
2599         child class.
2600         (Sized_relobj::get_output_section_offset): Likewise.
2601         (Sized_relobj::local_has_got_offset): Likewise.
2602         (Sized_relobj::local_got_offset): Likewise.
2603         (Sized_relobj::set_local_got_offset): Likewise.
2604         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2605         (Sized_relobj::clear_got_offsets): New function.
2606         (Sized_relobj::section_offsets): Move here from child class.
2607         (Sized_relobj::do_output_section_offset): Likewise.
2608         (Sized_relobj::do_set_section_offset): Likewise.
2609         (Sized_relobj::Local_got_offsets): Likewise.
2610         (Sized_relobj::local_got_offsets_): Likewise.
2611         (Sized_relobj::section_offsets_): Likewise.
2612         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2613         references.
2614         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2615         class.
2616         (Sized_relobj_file::sized_relobj): New function
2617         (Sized_relobj_file::local_has_got_offset): Move to base class.
2618         (Sized_relobj_file::local_got_offset): Likewise.
2619         (Sized_relobj_file::set_local_got_offset): Likewise.
2620         (Sized_relobj_file::get_output_section_offset): Likewise.
2621         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2622         (Sized_relobj_file::do_output_section_offset): Likewise.
2623         (Sized_relobj_file::do_set_section_offset): Likewise.
2624         (Sized_relobj_file::Local_got_offsets): Likewise.
2625         (Sized_relobj_file::local_got_offsets_): Likewise.
2626         (Sized_relobj_file::section_offsets_): Likewise.
2627         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2628         (all constructors).
2629         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2630         (Output_reloc::get_symbol_index): Likewise.
2631         (Output_reloc::local_section_offset): Likewise.
2632         (Output_reloc::get_address): Likewise.
2633         (Output_reloc::symbol_value): Likewise.
2634         (Output_data_got::reserve_slot): Move to class definition.
2635         (Output_data_got::reserve_local): New function.
2636         (Output_data_got::reserve_slot_for_global): Remove.
2637         (Output_data_got::reserve_global): New function.
2638         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2639         (all constructors, two instantiations).
2640         (Output_reloc::get_relobj): New function (two instantiations).
2641         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2642         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2643         (Output_data_reloc::add_global): Adjust type of relobj.
2644         (Output_data_reloc::add_global_relative): Likewise.
2645         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2646         (Output_data_reloc::add_local): Likewise.
2647         (Output_data_reloc::add_local_relative): Likewise.
2648         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2649         (Output_data_reloc::add_local_section): Likewise.
2650         (Output_data_reloc::add_output_section): Likewise.
2651         (Output_data_reloc::add_absolute): Likewise.
2652         (Output_data_reloc::add_target_specific): Likewise.
2653         (Output_data_got::reserve_slot): Move definition here.
2654         (Output_data_got::reserve_local): New function.
2655         (Output_data_got::reserve_global): New function.
2656         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2657         section_offsets_ with accessor function.
2658         (Sized_relobj_file::write_sections): Likewise.
2659         (Sized_relobj_file::do_relocate_sections): Likewise.
2660         * target.h (Sized_target::reserve_local_got_entry): New function.
2661         (Sized_target::reserve_global_got_entry): New function.
2662         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2663         (Target_x86_64::reserve_global_got_entry): New function.
2664         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2665
2666 2011-05-23 Cary Coutant  <ccoutant@google.com>
2667
2668         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2669         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2670         bit when checking got_type.
2671         * incremental.cc (Sized_incremental_binary::setup_readers):
2672         Store symbol table and string table locations; initialize bit vector
2673         of file status flags.
2674         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2675         unchanged files.
2676         (Sized_incremental_binary::do_process_got_plt): New function.
2677         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2678         (Output_section_incremental_inputs::set_final_data_size): Record
2679         file index for each input file.
2680         (Output_section_incremental_inputs::write_got_plt): Store file index
2681         instead of input entry offset for each GOT entry.
2682         * incremental.h
2683         (Incremental_input_entry::Incremental_input_entry): Initialize new
2684         data member.
2685         (Incremental_input_entry::set_offset): Store file index.
2686         (Incremental_input_entry::get_file_index): New function.
2687         (Incremental_input_entry::file_index_): New data member.
2688         (Incremental_binary::process_got_plt): New function.
2689         (Incremental_binary::do_process_got_plt): New function.
2690         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2691         data members.
2692         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2693         (Sized_incremental_binary::set_file_is_unchanged): New function.
2694         (Sized_incremental_binary::file_is_unchanged): New function.
2695         (Sized_incremental_binary::do_process_got_plt): New function.
2696         (Sized_incremental_binary::file_status_): New data member.
2697         (Sized_incremental_binary::main_symtab_loc_): New data member.
2698         (Sized_incremental_binary::main_strtab_loc_): New data member.
2699         * output.cc (Output_data_got::Got_entry::write): Add case
2700         RESERVED_CODE.
2701         (Output_data_got::add_global): Call add_got_entry.
2702         (Output_data_got::add_global_plt): Likewise.
2703         (Output_data_got::add_global_with_rel): Likewise.
2704         (Output_data_got::add_global_with_rela): Likewise.
2705         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2706         (Output_data_got::add_global_pair_with_rela): Likewise.
2707         (Output_data_got::add_local): Call add_got_entry.
2708         (Output_data_got::add_local_plt): Likewise.
2709         (Output_data_got::add_local_with_rel): Likewise.
2710         (Output_data_got::add_local_with_rela): Likewise.
2711         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2712         (Output_data_got::add_local_pair_with_rela): Likewise.
2713         (Output_data_got::reserve_slot): New function.
2714         (Output_data_got::reserve_slot_for_global): New function.
2715         (Output_data_got::add_got_entry): New function.
2716         (Output_data_got::add_got_entry_pair): New function.
2717         (Output_section::add_output_section_data): Edit FIXME.
2718         * output.h
2719         (Output_section_data_build::Output_section_data_build): New
2720         constructor with size parameter.
2721         (Output_data_space::Output_data_space): Likewise.
2722         (Output_data_got::Output_data_got): Initialize new data member; new
2723         constructor with size parameter.
2724         (Output_data_got::add_constant): Call add_got_entry.
2725         (Output_data_got::reserve_slot): New function.
2726         (Output_data_got::reserve_slot_for_global): New function.
2727         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2728         (Output_data_got::add_got_entry): New function.
2729         (Output_data_got::add_got_entry_pair): New function.
2730         (Output_data_got::free_list_): New data member.
2731         * target.h (Sized_target::init_got_plt_for_update): New function.
2732         (Sized_target::register_global_plt_entry): New function.
2733         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2734         Initialize new data member; call init; add constructor with PLT count.
2735         (Output_data_plt_x86_64::init): New function.
2736         (Output_data_plt_x86_64::add_relocation): New function.
2737         (Output_data_plt_x86_64::reserve_slot): New function.
2738         (Output_data_plt_x86_64::free_list_): New data member.
2739         (Target_x86_64::init_got_plt_for_update): New function.
2740         (Target_x86_64::register_global_plt_entry): New function.
2741         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2742         incremental updates.
2743         (Output_data_plt_x86_64::add_relocation): New function.
2744         * testsuite/object_unittest.cc (Object_test): Set default options.
2745
2746 2011-05-16  Ian Lance Taylor  <iant@google.com>
2747
2748         * options.h (class General_options): Make -i a synonym for -r.
2749
2750 2011-05-16  Ian Lance Taylor  <iant@google.com>
2751
2752         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2753
2754 2011-05-10 Cary Coutant  <ccoutant@google.com>
2755
2756         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2757         strip_all (-s).
2758
2759 2011-05-06  Ian Lance Taylor  <iant@google.com>
2760
2761         * layout.cc (Layout::layout): If the output section flags change,
2762         update the ordering.
2763
2764 2011-04-25 Cary Coutant  <ccoutant@google.com>
2765
2766         * incremental-dump.cc (dump_incremental_inputs): Print local
2767         symbol info for each input file.
2768         * incremental.cc
2769         (Output_section_incremental_inputs::set_final_data_size): Add local
2770         symbol info to input file entries in incremental info.
2771         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2772         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2773         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2774         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2775         implementation.
2776         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2777         (Sized_incr_relobj::do_relocate): Write the local symbols.
2778         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2779         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2780         Adjust size of input file header.
2781         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2782         (Incremental_inputs_reader::get_local_symbol_count): New function.
2783         (Incremental_inputs_reader::get_input_section): Adjust size of input
2784         file header.
2785         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2786         (Sized_incr_relobj::This): New typedef.
2787         (Sized_incr_relobj::sym_size): New const data member.
2788         (Sized_incr_relobj::Local_symbol): New struct.
2789         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2790         (Sized_incr_relobj::do_local_symbol_offset): New function.
2791         (Sized_incr_relobj::local_symbol_count_): New data member.
2792         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2793         (Sized_incr_relobj::local_symbol_index_): New data member.
2794         (Sized_incr_relobj::local_symbol_offset_): New data member.
2795         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2796         (Sized_incr_relobj::local_symbols_): New data member.
2797         * object.h (Relobj::output_local_symbol_count): New function.
2798         (Relobj::local_symbol_offset): New function.
2799         (Relobj::do_output_local_symbol_count): New function.
2800         (Relobj::do_local_symbol_offset): New function.
2801         (Sized_relobj::do_output_local_symbol_count): New function.
2802         (Sized_relobj::do_local_symbol_offset): New function.
2803
2804 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2805
2806         * descriptors.cc (set_close_on_exec): New function.
2807         (Descriptors::open): Use set_close_on_exec.
2808         * output.cc (S_ISLNK): Define if not defined.
2809
2810 2011-04-22 Cary Coutant  <ccoutant@google.com>
2811
2812         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2813         global symbol map.
2814         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2815         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2816         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2817         relocations.
2818         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2819         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2820         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2821         * incremental.h
2822         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2823         function.
2824         (Incremental_binary::apply_incremental_relocs): New function.
2825         (Incremental_binary::do_apply_incremental_relocs): New function.
2826         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2827         data member.
2828         (Sized_incremental_binary::add_global_symbol): New function.
2829         (Sized_incremental_binary::global_symbol): New function.
2830         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2831         (Sized_incremental_binary::symbol_map_): New data member.
2832         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2833         * target.h (Sized_target::apply_relocation): New function.
2834         * target-reloc.h (apply_relocation): New function.
2835         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2836
2837 2011-04-22  Doug Kwan  <dougkwan@google.com>
2838
2839         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2840         flag of a SHT_ARM_EXIDX section.
2841         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2842         * testsuite/Makefile.in: Regenerate.
2843         * testsuite/arm_exidx_test.s: New file.
2844         * testsuite/arm_exidx_test.sh: Same.
2845
2846 2011-04-20 Cary Coutant  <ccoutant@google.com>
2847
2848         PR gold/12689
2849         * archive.h (Incremental_archive_entry::Archive_member):
2850         Initialize arg_serial_ (second constructor).
2851
2852 2011-04-17  Ian Lance Taylor  <iant@google.com>
2853
2854         * object.cc (Relocate_info::location): Simplify location string.
2855         * errors.cc (Errors::error_at_location): Don't print program
2856         name.
2857         (Errors::warning_at_location): Likewise.
2858         (Errors::undefined_symbol): Likewise.
2859         * testsuite/debug_msg.sh: Update accordingly.
2860
2861 2011-04-14 Cary Coutant  <ccoutant@google.com>
2862
2863         * gold/layout.cc (Layout::symtab_section_offset): New function.
2864         * gold/layout.h (Layout::symtab_section_offset): New function.
2865         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2866
2867 2011-04-12  Ian Lance Taylor  <iant@google.com>
2868
2869         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2870         with MREMAP_MAYMOVE.
2871         * output.h (class Output_file): Add map_is_allocated_ field.
2872         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2873         not available, provide stubs.  If mremap is not available, #define
2874         it to gold_mremap.
2875         (MREMAP_MAYMOVE): Define if not defined.
2876         (Output_file::Output_file): Initialize map_is_allocated_.
2877         (Output_file::resize): Check map_is_allocated_.
2878         (Output_file::map_anonymous): If mmap fails, use malloc.
2879         (Output_file::unmap): Don't do anything for an anonymous map.
2880         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2881         is not available, provide stubs.
2882         (File_read::View::~View): Use free rather than delete[].
2883         (File_read::make_view): Use malloc rather than new[].  If mmap
2884         fails, use malloc.
2885         (File_read::find_or_make_view): Use malloc rather than new[].
2886         * gold.h: Remove HAVE_REMAP code.
2887         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2888         exists.  Rename mremap to gold_mremap.  If mmap is not available
2889         don't do anything.
2890         * configure, config.in: Rebuild.
2891
2892 2011-04-11  Ian Lance Taylor  <iant@google.com>
2893
2894         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2895         initialize local variable v.
2896
2897 2011-04-11  Cary Coutant  <ccoutant@google.com>
2898
2899         * archive.cc (Archive::include_member): Adjust call to
2900         report_object.
2901         (Add_archive_symbols::run): Track argument serial numbers.
2902         (Lib_group::include_member): Likewise.
2903         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2904         * archive.h (Incremental_archive_entry::Archive_member):
2905         Initialize arg_serial_.
2906         (Archive_member::arg_serial_): New data member.
2907         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2908         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2909         incremental link.
2910         (Sized_dynobj::do_for_all_local_got_entries): New function.
2911         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2912         function.
2913         * fileread.cc (get_mtime): New function.
2914         * fileread.h (get_mtime): New function.
2915         * gold.cc (queue_initial_tasks): Check for incremental update.
2916         (process_incremental_input): New function.
2917         (queue_middle_tasks): Don't force valid target for incremental
2918         update.
2919         * incremental-dump.cc (find_input_containing_global): Adjust
2920         size of symbol info entry.
2921         (dump_incremental_inputs): Dump argument serial number and
2922         in_system_directory flag; bias shndx by 1; print symbol names
2923         when dumping per-file symbol lists; use new symbol info readers.
2924         * incremental.cc
2925         (Output_section_incremental_inputs:update_data_size): New function.
2926         (Sized_incremental_binary::setup_readers): Setup input readers
2927         for each input file; build maps for files added from libraries
2928         and scripts.
2929         (Sized_incremental_binary::check_input_args): New function.
2930         (Sized_incremental_binary::do_check_inputs): Build map of argument
2931         serial numbers to input arguments.
2932         (Sized_incremental_binary::do_file_has_changed): Rename
2933         do_file_is_unchanged to this; compare file modification times.
2934         (Sized_incremental_binary::do_init_layout): New function.
2935         (Sized_incremental_binary::do_reserve_layout): New function.
2936         (Sized_incremental_binary::do_get_input_reader): Remove.
2937         (Sized_incremental_binary::get_symtab_view): New function.
2938         (Incremental_checker::can_incrementally_link_output_file): Remove.
2939         (Incremental_inputs::report_command_line): Exclude --debug options.
2940         (Incremental_inputs::report_archive_begin): Add parameter; track
2941         argument serial numbers; don't put input file entry for archive
2942         before archive members.
2943         (Incremental_inputs::report_archive_end): Put input file entry
2944         for archive after archive members.
2945         (Incremental_inputs::report_object): Add parameter; track argument
2946         serial numbers and in_system_directory flag.
2947         (Incremental_inputs::report_script): Add parameter; track argument
2948         serial numbers.
2949         (Output_section_incremental_inputs::set_final_data_size): Adjust
2950         size of symbol info entry; check for forwarding symbols.
2951         (Output_section_incremental_inputs::write_input_files): Write
2952         in_system_directory flag and argument serial number.
2953         (Output_section_incremental_inputs::write_info_blocks): Map section
2954         indices between incremental info and original input file; store
2955         input section index for each symbol.
2956         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2957         change operator() to visit().
2958         (class Global_got_offset_visitor): Likewise.
2959         (class Global_symbol_visitor_got_plt):
2960         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2961         classes.
2962         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2963         (Sized_incr_relobj::do_read_symbols): New function.
2964         (Sized_incr_relobj::do_layout): New function.
2965         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2966         (Sized_incr_relobj::do_add_symbols): New function.
2967         (Sized_incr_relobj::do_should_include_member): New function.
2968         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2969         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2970         (Sized_incr_relobj::do_section_size): New function.
2971         (Sized_incr_relobj::do_section_name): New function.
2972         (Sized_incr_relobj::do_section_contents): New function.
2973         (Sized_incr_relobj::do_section_flags): New function.
2974         (Sized_incr_relobj::do_section_entsize): New function.
2975         (Sized_incr_relobj::do_section_address): New function.
2976         (Sized_incr_relobj::do_section_type): New function.
2977         (Sized_incr_relobj::do_section_link): New function.
2978         (Sized_incr_relobj::do_section_info): New function.
2979         (Sized_incr_relobj::do_section_addralign): New function.
2980         (Sized_incr_relobj::do_initialize_xindex): New function.
2981         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2982         (Sized_incr_relobj::do_read_relocs): New function.
2983         (Sized_incr_relobj::do_gc_process_relocs): New function.
2984         (Sized_incr_relobj::do_scan_relocs): New function.
2985         (Sized_incr_relobj::do_count_local_symbols): New function.
2986         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2987         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2988         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2989         (Sized_incr_relobj::do_relocate): New function.
2990         (Sized_incr_relobj::do_set_section_offset): New function.
2991         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2992         (Sized_incr_dynobj::do_read_symbols): New function.
2993         (Sized_incr_dynobj::do_layout): New function.
2994         (Sized_incr_dynobj::do_add_symbols): New function.
2995         (Sized_incr_dynobj::do_should_include_member): New function.
2996         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2997         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2998         (Sized_incr_dynobj::do_section_size): New function.
2999         (Sized_incr_dynobj::do_section_name): New function.
3000         (Sized_incr_dynobj::do_section_contents): New function.
3001         (Sized_incr_dynobj::do_section_flags): New function.
3002         (Sized_incr_dynobj::do_section_entsize): New function.
3003         (Sized_incr_dynobj::do_section_address): New function.
3004         (Sized_incr_dynobj::do_section_type): New function.
3005         (Sized_incr_dynobj::do_section_link): New function.
3006         (Sized_incr_dynobj::do_section_info): New function.
3007         (Sized_incr_dynobj::do_section_addralign): New function.
3008         (Sized_incr_dynobj::do_initialize_xindex): New function.
3009         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
3010         (make_sized_incremental_object): New function.
3011         (Incremental_library::copy_unused_symbols): New function.
3012         (Incremental_library::do_for_all_unused_symbols): New function.
3013         * incremental.h (enum Incremental_input_flags): New type.
3014         (class Incremental_checker): Remove.
3015         (Incremental_input_entry::Incremental_input_entry): Add argument
3016         serial number.
3017         (Incremental_input_entry::arg_serial): New function.
3018         (Incremental_input_entry::set_is_in_system_directory): New function.
3019         (Incremental_input_entry::is_in_system_directory): New function.
3020         (Incremental_input_entry::arg_serial_): New data member.
3021         (Incremental_input_entry::is_in_system_directory_): New data member.
3022         (class Script_info): Move here from script.h.
3023         (Script_info::Script_info): Add filename parameter.
3024         (Script_info::filename): New function.
3025         (Script_info::filename_): New data member.
3026         (Incremental_script_entry::Incremental_script_entry): Add argument
3027         serial number.
3028         (Incremental_object_entry::Incremental_object_entry): Likewise.
3029         (Incremental_object_entry::add_input_section): Build list of input
3030         sections with map to original shndx.
3031         (Incremental_object_entry::get_input_section_index): New function.
3032         (Incremental_object_entry::shndx_): New data member.
3033         (Incremental_object_entry::name_key_): Rename; adjust all refs.
3034         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
3035         (Incremental_archive_entry::Incremental_archive_entry): Add argument
3036         serial number.
3037         (Incremental_inputs::report_archive_begin): Likewise.
3038         (Incremental_inputs::report_object): Likewise.
3039         (Incremental_inputs::report_script): Likewise.
3040         (class Incremental_global_symbol_reader): New class.
3041         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
3042         and store flags and input file type.
3043         (Incremental_input_entry_reader::arg_serial): New function.
3044         (Incremental_input_entry_reader::type): Extract type from flags.
3045         (Incremental_input_entry_reader::is_in_system_directory): New function.
3046         (Incremental_input_entry_reader::get_input_section_count): Call
3047         accessor function for type.
3048         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
3049         function for type; adjust size of global symbol entry.
3050         (Incremental_input_entry_reader::get_global_symbol_count): Call
3051         accessor function for type.
3052         (Incremental_input_entry_reader::get_object_count): Likewise.
3053         (Incremental_input_entry_reader::get_object_offset): Likewise.
3054         (Incremental_input_entry_reader::get_member_count): Likewise.
3055         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
3056         (Incremental_input_entry_reader::get_member_offset): Likewise.
3057         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
3058         (Incremental_input_entry_reader::Global_symbol_info): Remove.
3059         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
3060         (Incremental_input_entry_reader::get_global_symbol_reader): New
3061         function.
3062         (Incremental_input_entry_reader::get_output_symbol_index): New
3063         function.
3064         (Incremental_input_entry_reader::type_): Remove.
3065         (Incremental_input_entry_reader::flags_): New data member.
3066         (Incremental_inputs_reader::input_file_offset): New function.
3067         (Incremental_inputs_reader::input_file_index): New function.
3068         (Incremental_inputs_reader::input_file): Call input_file_offset.
3069         (Incremental_inputs_reader::input_file_at_offset): New function.
3070         (Incremental_relocs_reader::get_r_type): Reformat.
3071         (Incremental_relocs_reader::get_r_shndx): Reformat.
3072         (Incremental_relocs_reader::get_r_offset): Reformat.
3073         (Incremental_relocs_reader::data): New function.
3074         (Incremental_binary::Incremental_binary): Initialize new data members.
3075         (Incremental_binary::check_inputs): Add cmdline parameter.
3076         (Incremental_binary::file_is_unchanged): Remove.
3077         (Input_reader::arg_serial): New function.
3078         (Input_reader::get_unused_symbol_count): New function.
3079         (Input_reader::get_unused_symbol): New function.
3080         (Input_reader::do_arg_serial): New function.
3081         (Input_reader::do_get_unused_symbol_count): New function.
3082         (Input_reader::do_get_unused_symbol): New function.
3083         (Incremental_binary::input_file_count): New function.
3084         (Incremental_binary::get_input_reader): Change signature to use
3085         index instead of filename.
3086         (Incremental_binary::file_has_changed): New function.
3087         (Incremental_binary::get_input_argument): New function.
3088         (Incremental_binary::get_library): New function.
3089         (Incremental_binary::get_script_info): New function.
3090         (Incremental_binary::init_layout): New function.
3091         (Incremental_binary::reserve_layout): New function.
3092         (Incremental_binary::output_file): New function.
3093         (Incremental_binary::do_check_inputs): New function.
3094         (Incremental_binary::do_file_is_unchanged): Remove.
3095         (Incremental_binary::do_file_has_changed): New function.
3096         (Incremental_binary::do_init_layout): New function.
3097         (Incremental_binary::do_reserve_layout): New function.
3098         (Incremental_binary::do_input_file_count): New function.
3099         (Incremental_binary::do_get_input_reader): Change signature.
3100         (Incremental_binary::input_args_map_): New data member.
3101         (Incremental_binary::library_map_): New data member.
3102         (Incremental_binary::script_map_): New data member.
3103         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3104         new data members.
3105         (Sized_incremental_binary::output_section): New function.
3106         (Sized_incremental_binary::inputs_reader): Add const.
3107         (Sized_incremental_binary::symtab_reader): Add const.
3108         (Sized_incremental_binary::relocs_reader): Add const.
3109         (Sized_incremental_binary::got_plt_reader): Add const.
3110         (Sized_incremental_binary::get_symtab_view): New function.
3111         (Sized_incremental_binary::Inputs_reader): New typedef.
3112         (Sized_incremental_binary::Input_entry_reader): New typedef.
3113         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
3114         (Sized_incremental_binary::do_file_is_unchanged): Remove.
3115         (Sized_incremental_binary::do_file_has_changed): New function.
3116         (Sized_incremental_binary::do_init_layout): New function.
3117         (Sized_incremental_binary::do_reserve_layout): New function.
3118         (Sized_input_reader::Inputs_reader): Remove.
3119         (Sized_input_reader::Input_entry_reader): Remove.
3120         (Sized_input_reader::do_arg_serial): New function.
3121         (Sized_input_reader::do_get_unused_symbol_count): New function.
3122         (Sized_input_reader::do_get_unused_symbol): New function.
3123         (Sized_incremental_binary::do_input_file_count): New function.
3124         (Sized_incremental_binary::do_get_input_reader): Change signature;
3125         use index instead of filename.
3126         (Sized_incremental_binary::section_map_): New data member.
3127         (Sized_incremental_binary::input_entry_readers_): New data member.
3128         (class Sized_incr_relobj): New class.
3129         (class Sized_incr_dynobj): New class.
3130         (make_sized_incremental_object): New function.
3131         (class Incremental_library): New class.
3132         * layout.cc (Free_list::num_lists): New static data member.
3133         (Free_list::num_nodes): New static data member.
3134         (Free_list::num_removes): New static data member.
3135         (Free_list::num_remove_visits): New static data member.
3136         (Free_list::num_allocates): New static data member.
3137         (Free_list::num_allocate_visits): New static data member.
3138         (Free_list::init): New function.
3139         (Free_list::remove): New function.
3140         (Free_list::allocate): New function.
3141         (Free_list::dump): New function.
3142         (Free_list::print_stats): New function.
3143         (Layout_task_runner::run): Resize output file for incremental updates.
3144         (Layout::Layout): Initialize new data members.
3145         (Layout::set_incremental_base): New function.
3146         (Layout::init_fixed_output_section): New function.
3147         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3148         incremental updates.
3149         (Layout::create_gold_note): Do not create gold note section for
3150         incremental updates.
3151         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3152         for incremental updates.
3153         (Layout::set_section_offsets): For incremental updates, allocate space
3154         from free list.
3155         (Layout::create_symtab_sections): Layout with offsets relative to
3156         start of section; for incremental updates, allocate space from free
3157         list.
3158         (Layout::create_shdrs): For incremental updates, allocate space from
3159         free list.
3160         (Layout::finish_dynamic_section): For incremental updates, do not
3161         check --as-needed (fixed in subsequent patch).
3162         * layout.h (class Free_list): New class.
3163         (Layout::set_incremental_base): New function.
3164         (Layout::incremental_base): New function.
3165         (Layout::init_fixed_output_section): New function.
3166         (Layout::allocate): New function.
3167         (Layout::incremental_base_): New data member.
3168         (Layout::free_list_): New data member.
3169         * main.cc (main): Print Free_list statistics.
3170         * object.cc (Relobj::finalize_incremental_relocs): Add
3171         clear_counts parameter; clear counts only when clear_counts is set.
3172         (Sized_relobj::Sized_relobj): Initialize new base class.
3173         (Sized_relobj::do_layout): Don't report special sections.
3174         (Sized_relobj::do_for_all_local_got_entries): New function.
3175         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3176         symtab_off to all symbol table offsets.
3177         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3178         * object.h (class Got_offset_list): Move to top of file.
3179         (Object::Object): Allow case where input_file == NULL.
3180         (Object::~Object): Likewise.
3181         (Object::input_file): Assert that input_file != NULL.
3182         (Object::lock): Allow case where input_file == NULL.
3183         (Object::unlock): Likewise.
3184         (Object::is_locked): Likewise.
3185         (Object::token): Likewise.
3186         (Object::release): Likewise.
3187         (Object::is_incremental): New function.
3188         (Object::get_mtime): New function.
3189         (Object::for_all_local_got_entries): New function.
3190         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3191         (Object::set_is_in_system_directory): New function.
3192         (Object::is_in_system_directory): New function.
3193         (Object::do_is_incremental): New function.
3194         (Object::do_get_mtime): New function.
3195         (Object::do_for_all_local_got_entries): New function.
3196         (Object::is_in_system_directory_): New data member.
3197         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3198         (class Sized_relobj_base): New class.
3199         (class Sized_relobj): Derive from Sized_relobj_base.
3200         (class Sized_relobj::Symbols): Redeclare from base class.
3201         (class Sized_relobj::local_got_offset_list): Remove.
3202         (class Sized_relobj::Output_sections): Redeclare from base class.
3203         (class Sized_relobj::do_for_all_local_got_entries): New function.
3204         (class Sized_relobj::write_local_symbols): Add offset parameter.
3205         (class Sized_relobj::local_symbol_offset_): Update comment.
3206         (class Sized_relobj::local_dynsym_offset_): Update comment.
3207         * options.cc (Input_arguments::add_file): Remove const.
3208         * options.h (Input_file_argument::Input_file_argument):
3209         Initialize arg_serial_ (all constructors).
3210         (Input_file_argument::set_arg_serial): New function.
3211         (Input_file_argument::arg_serial): New function.
3212         (Input_file_argument::arg_serial_): New data member.
3213         (Input_arguments::Input_arguments): Initialize file_count_.
3214         (Input_arguments::add_file): Remove const.
3215         (Input_arguments::number_of_input_files): New function.
3216         (Input_arguments::file_count_): New data member.
3217         (Command_line::number_of_input_files): Call
3218         Input_arguments::number_of_input_files.
3219         * output.cc (Output_segment_headers::Output_segment_headers):
3220         Set current size.
3221         (Output_section::Input_section::current_data_size): New function.
3222         (Output_section::Output_section): Initialize new data members.
3223         (Output_section::add_input_section): Don't do merge sections for
3224         an incremental link; allocate space from free list for an
3225         incremental update.
3226         (Output_section::add_output_section_data): Allocate space from
3227         free list for an incremental update.
3228         (Output_section::update_data_size): New function.
3229         (Output_section::set_fixed_layout): New function.
3230         (Output_section::reserve): New function.
3231         (Output_segment::set_section_addresses): Remove const.
3232         (Output_segment::set_section_list_addresses): Remove const; allocate
3233         space from free list for an incremental update.
3234         (Output_segment::set_offset): Adjust size of RELRO segment for an
3235         incremental update.
3236         * output.h (Output_data::current_data_size): Move here from
3237         child classes.
3238         (Output_data::pre_finalize_data_size): New function.
3239         (Output_data::update_data_size): New function.
3240         (Output_section_headers::update_data_size): new function.
3241         (Output_section_data_build::current_data_size): Move to Output_data.
3242         (Output_data_strtab::update_data_size): New function.
3243         (Output_section::current_data_size): Move to Output_data.
3244         (Output_section::set_fixed_layout): New function.
3245         (Output_section::has_fixed_layout): New function.
3246         (Output_section::reserve): New function.
3247         (Output_section::update_data_size): New function.
3248         (Output_section::has_fixed_layout_): New data member.
3249         (Output_section::free_list_): New data member.
3250         (Output_segment::set_section_addresses): Remove const.
3251         (Output_segment::set_section_list_addresses): Remove const.
3252         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
3253         New function.
3254         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
3255         New function.
3256         * readsyms.cc (Read_symbols::do_read_symbols): Add library
3257         parameter when calling Add_symbols constructor; store argument
3258         serial number for members of a lib group.
3259         (Add_symbols::locks): Allow case where token == NULL.
3260         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
3261         (Read_member::~Read_member): New function.
3262         (Read_member::is_runnable): New function.
3263         (Read_member::locks): New function.
3264         (Read_member::run): New function.
3265         (Check_script::~Check_script): New function.
3266         (Check_script::is_runnable): New function.
3267         (Check_script::locks): New function.
3268         (Check_script::run): New function.
3269         (Check_library::~Check_library): New function.
3270         (Check_library::is_runnable): New function.
3271         (Check_library::locks): New function.
3272         (Check_library::run): New function.
3273         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
3274         (Add_symbols::library_): New data member.
3275         (class Read_member): New class.
3276         (class Check_script): New class.
3277         (class Check_library): New class.
3278         * reloc.cc (Read_relocs::is_runnable): Allow case where
3279         token == NULL.
3280         (Read_relocs::locks): Likewise.
3281         (Scan_relocs::locks): Likewise.
3282         (Relocate_task::locks): Likewise.
3283         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
3284         to clear counters.
3285         (Sized_relobj::incremental_relocs_scan): Fix comment.
3286         (Sized_relobj::do_relocate): Pass output file offset to
3287         write_local_symbols.
3288         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
3289         from class declaration.
3290         * script.cc (read_input_script): Allocate Script_info; pass
3291         argument serial number to report_script.
3292         * script.h (class Script_info): Move to incremental.h.
3293         * symtab.cc (Symbol_table::add_from_incrobj): New function.
3294         * symtab.h (Symbol_table::add_from_incrobj): New function.
3295         (Symbol_table::set_file_offset): New function.
3296
3297 2011-04-05  Cary Coutant  <ccoutant@google.com>
3298
3299         * incremental-dump.cc (dump_incremental_inputs): Change signature
3300         to take a Sized_incremental_binary; change caller.  Use readers
3301         in Sized_incremental_binary.
3302         * incremental.cc
3303         (Sized_incremental_binary::find_incremental_inputs_sections):
3304         Rename do_find_incremental_inputs_sections to this.
3305         (Sized_incremental_binary::setup_readers): New function.
3306         (Sized_incremental_binary::do_check_inputs): Check
3307         has_incremental_info_ flag; move setup code to setup_readers;
3308         use input readers.
3309         (Sized_incremental_binary::do_file_is_unchanged): New function.
3310         (Sized_incremental_binary::do_get_input_reader): New function.
3311         * incremental.h (class Incremental_binary): Move to end of file.
3312         (Incremental_binary::file_is_unchanged): New function.
3313         (Incremental_binary::do_file_is_unchanged): New function.
3314         (Incremental_binary::Input_reader): New class.
3315         (Incremental_binary::get_input_reader): New function.
3316         (class Sized_incremental_binary): Move to end of file.
3317         (Sized_incremental_binary::Sized_incremental_binary): Setup the
3318         input section reader classes.
3319         (Sized_incremental_binary::has_incremental_info): New function.
3320         (Sized_incremental_binary::inputs_reader): New function.
3321         (Sized_incremental_binary::symtab_reader): New function.
3322         (Sized_incremental_binary::relocs_reader): New function.
3323         (Sized_incremental_binary::got_plt_reader): New function.
3324         (Sized_incremental_binary::do_file_is_unchanged): New function.
3325         (Sized_incremental_binary::Sized_input_reader): New class.
3326         (Sized_incremental_binary::get_input_reader): New function.
3327         (Sized_incremental_binary::find_incremental_inputs_sections):
3328         Rename do_find_incremental_inputs_sections to this.
3329         (Sized_incremental_binary::setup_readers): New function.
3330         (Sized_incremental_binary::has_incremental_info_): New data member.
3331         (Sized_incremental_binary::inputs_reader_): New data member.
3332         (Sized_incremental_binary::symtab_reader_): New data member.
3333         (Sized_incremental_binary::relocs_reader_): New data member.
3334         (Sized_incremental_binary::got_plt_reader_): New data member.
3335         (Sized_incremental_binary::current_input_file_): New data member.
3336
3337 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
3338
3339         PR gold/12640
3340         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
3341         violation.
3342
3343 2011-03-30  Cary Coutant  <ccoutant@google.com>
3344
3345         * archive.cc (Archive::include_member): Adjust call to report_object.
3346         (Add_archive_symbols::run): Add script_info to call to
3347         report_archive_begin.
3348         (Lib_group::include_member): Adjust call to report_object.
3349         (Add_lib_group_symbols::run): Adjust call to report_object.
3350         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
3351         blocks.  Add object count for script input files.
3352         * incremental.cc (Incremental_inputs::report_archive_begin): Add
3353         script_info parameter; change all callers.
3354         (Incremental_inputs::report_object): Add script_info parameter;
3355         change all callers.
3356         (Incremental_inputs::report_script): Store backpointer to
3357         incremental info entry.
3358         (Output_section_incremental_inputs::set_final_data_size): Record
3359         additional information for scripts.
3360         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3361         * incremental.h (Incremental_script_entry::add_object): New function.
3362         (Incremental_script_entry::get_object_count): New function.
3363         (Incremental_script_entry::get_object): New function.
3364         (Incremental_script_entry::objects_): New data member; adjust
3365         constructor.
3366         (Incremental_inputs::report_archive_begin): Add script_info parameter.
3367         (Incremental_inputs::report_object): Add script_info parameter.
3368         (Incremental_inputs_reader::get_object_count): New function.
3369         (Incremental_inputs_reader::get_object_offset): New function.
3370         * options.cc (Input_arguments::add_file): Return reference to
3371         new input argument.
3372         * options.h (Input_argument::set_script_info): New function.
3373         (Input_argument::script_info): New function.
3374         (Input_argument::script_info_): New data member; adjust all
3375         constructors.
3376         (Input_file_group::add_file): Return reference to new input argument.
3377         (Input_file_lib::add_file): Likewise.
3378         (Input_arguments::add_file): Likewise.
3379         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
3380         * script.cc (Parser_closure::Parser_closure): Add script_info
3381         parameter; adjust all callers.
3382         (Parser_closure::script_info): New function.
3383         (Parser_closure::script_info_): New data member.
3384         (read_input_script): Report scripts earlier to incremental info.
3385         (script_add_file): Set script_info in Input_argument.
3386         (script_add_library): Likewise.
3387         * script.h (Script_options::Script_info): Rewrite class.
3388
3389 2011-03-29  Cary Coutant  <ccoutant@google.com>
3390
3391         * archive.cc (Library_base::should_include_member): Move
3392         method here from class Archive.
3393         (Archive::Archive): Initialize base class.
3394         (Archive::should_include_member): Move to base class.
3395         (Archive::do_for_all_unused_symbols): New function.
3396         (Add_archive_symbols::run): Remove redundant access to
3397         incremental_inputs.
3398         (Lib_group::Lib_group): Initialize base class.
3399         (Lib_group::do_filename): New function.
3400         (Lib_group::include_member): Pass pointer to Lib_group to
3401         report_object.
3402         (Lib_group::do_for_all_unused_symbols): New function.
3403         (Add_lib_group_symbols::run): Report archive information for
3404         incremental links.
3405         * archive.h (class Library_base): New base class.
3406         (class Archive): Derive from Library_base.
3407         (Archive::filename): Move to base class.
3408         (Archive::set_incremental_info): Likewise.
3409         (Archive::incremental_info): Likewise.
3410         (Archive::Should_include): Likewise.
3411         (Archive::should_include_member): Likewise.
3412         (Archive::Armap_entry): Remove.
3413         (Archive::Unused_symbol_iterator): Remove.
3414         (Archive::unused_symbols_begin): Remove.
3415         (Archive::unused_symbols_end): Remove.
3416         (Archive::do_filename): New function.
3417         (Archive::do_get_mtime): New function.
3418         (Archive::do_for_all_unused_symbols): New function.
3419         (Archive::task_): Move to base class.
3420         (Archive::incremental_info_): Likewise.
3421         (class Lib_group): Derive from Library_base.
3422         (Lib_group::do_filename): New function.
3423         (Lib_group::do_get_mtime): New function.
3424         (Lib_group::do_for_all_unused_symbols): New function.
3425         (Lib_group::task_): Move to base class.
3426         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
3427         function.
3428         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
3429         function.
3430         * incremental.cc (Incremental_inputs::report_archive_begin):
3431         Use Library_base; call library's get_mtime; add incremental inputs
3432         entry before members.
3433         (class Unused_symbol_visitor): New class.
3434         (Incremental_inputs::report_archive_end): Use Library_base; use
3435         visitor class to record unused symbols; don't add incremental inputs
3436         entry after members.
3437         (Incremental_inputs::report_object): Use Library_base.
3438         * incremental.h
3439         (Incremental_archive_entry::Incremental_archive_entry): Remove
3440         unused Archive parameter.
3441         (Incremental_inputs::report_archive_begin): Use Library_base.
3442         (Incremental_inputs::report_archive_end): Likewise.
3443         (Incremental_inputs::report_object): Likewise.
3444         * object.cc (Sized_relobj::do_for_all_global_symbols): New
3445         function.
3446         * object.h (Object::for_all_global_symbols): New function.
3447         (Object::do_for_all_global_symbols): New function.
3448         (Sized_relobj::do_for_all_global_symbols): New function.
3449         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
3450         function.
3451         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
3452         function.
3453
3454 2011-03-27  Ian Lance Taylor  <iant@google.com>
3455
3456         * archive.cc (Archive::interpret_header): Return -1 if something
3457         goes wrong.  Change callers accordingly.
3458
3459 2011-03-25  Cary Coutant  <ccoutant@google.com>
3460
3461         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
3462         * testsuite/Makefile.in: Regenerate.
3463
3464 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
3465
3466         * plugin.cc (get_view): New.
3467         (Plugin::load): Pass get_view to the plugin.
3468         (Plugin_manager::get_view): New.
3469
3470 2011-03-21  Ian Lance Taylor  <iant@google.com>
3471
3472         * testsuite/final_layout.sh: Rewrite to not use dc.
3473         * testsuite/relro_test.sh: Fail if dc is not present.
3474
3475 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
3476
3477         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
3478         Change == to -eq.
3479         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
3480         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
3481         Change == to -eq.
3482         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
3483         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
3484
3485 2011-03-14  Ian Lance Taylor  <iant@google.com>
3486
3487         * script-sections.cc (Sort_output_sections::script_compare):
3488         Rename from is_before, change return type.
3489         (Sort_output_sections::operator()): Adjust accordingly.
3490
3491 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
3492
3493         PR gold/12572
3494         * testsuite/odr_violation2.cc: Add comment to make all error line
3495         numbers double digits.
3496         * testsuite/debug_msg.sh: Adjust expected errors.
3497
3498 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
3499
3500         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
3501         but mark earlier ones as non-canonical
3502         (offset_to_iterator): Update search target and example
3503         (do_addr2line): Return extra lines in a vector*
3504         (format_file_lineno): Extract from do_addr2line
3505         (one_addr2line): Add vector* out-param
3506         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
3507         when a lineno entry appeared last for its instruction
3508         (Dwarf_line_info): Add vector* out-param
3509         * object.cc (Relocate_info): Pass NULL for the vector* out-param
3510         * symtab.cc (Odr_violation_compare): Include the lineno in the
3511         comparison again.
3512         (linenos_from_loc): New. Combine the canonical line for an
3513         address with its other lines.
3514         (True_if_intersect): New. Helper functor to make
3515         std::set_intersection a query.
3516         (detect_odr_violations): Compare sets of lines instead of just
3517         one line for each function. This became less deterministic, but
3518         has fewer false positives.
3519         * symtab.h: Declarations.
3520         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
3521         mix an optimized and non-optimized object in the same binary
3522         (odr_violation2.so): Same.
3523         * testsuite/Makefile.in: Regenerate from Makefile.am.
3524         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3525         * testsuite/debug_msg.sh: Update line numbers and add
3526         assertions.
3527         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3528         non-optimized context.
3529         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3530         isn't inlined, and use OdrDerived in an optimized context.
3531         * testsuite/odr_header1.h: Defines OdrDerived, where
3532         optimization will change the
3533         first-instruction-in-the-destructor's file and line number.
3534         * testsuite/odr_header2.h: Defines OdrBase.
3535
3536 2011-03-09  Ian Lance Taylor  <iant@google.com>
3537
3538         * fileread.cc (File_read::clear_views): Don't delete the whole
3539         file view.
3540
3541 2011-03-08  Ian Lance Taylor  <iant@google.com>
3542
3543         PR gold/12525
3544         * fileread.cc: #include <climits>.
3545         (GOLD_IOV_MAX): Define.
3546         (File_read::read_multiple): Limit number of entries by iov_max.
3547         * fileread.h (class File_read): Always set max_readv_entries to
3548         128.
3549
3550 2011-03-07  Ian Lance Taylor  <iant@google.com>
3551
3552         PR gold/12525
3553         * options.h (class General_options): Add -dy and -dn.
3554
3555 2011-03-02  Cary Coutant  <ccoutant@google.com>
3556
3557         * testsuite/script_test_9.t: Add TLS segment.
3558
3559 2011-03-02  Simon Baldwin  <simonb@google.com>
3560
3561         * configure.ac: Add check for gnu_indirect_function support in
3562         the toolchain building binutils.
3563         * configure: Rebuild.
3564
3565 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3566
3567         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3568         plugin only symbols.
3569         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3570         in plugin files as not needed in the symbol table.
3571
3572 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3573
3574         * output.cc (Output_section::add_input_section): Delay fill
3575         generation for section ordering.
3576
3577 2011-02-09  Ian Lance Taylor  <iant@google.com>
3578
3579         PR gold/12316
3580         * object.h (class Sized_relobj): Remove clear_local_symbols.
3581         * reloc.cc (Sized_relobj::do_relocate): Don't call
3582         clear_local_symbols.
3583
3584 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3585
3586         * plugin.cc (is_visible_from_outside): Return true for symbols
3587         in the -u option.
3588
3589 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3590
3591         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3592         filename.
3593
3594 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3595
3596         * icf.h (is_section_foldable_candidate): Change type of parameter
3597         to std::string.
3598         * icf.cc (Icf::find_identical_sections): Change type of local variable
3599         section_name to be std::string.
3600         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3601
3602 2011-01-25  Ian Lance Taylor  <iant@google.com>
3603
3604         * script.cc (script_add_extern): Rewrite to use
3605         add_symbol_reference.
3606
3607 2011-01-25  Doug Kwan  <dougkwan@google.com>
3608
3609         * icf.cc (get_section_contents): Always lock section's object.
3610
3611 2011-01-24  Ian Lance Taylor  <iant@google.com>
3612
3613         * options.h (class General_options): Accept
3614         --no-detect-odr-violations.
3615
3616 2011-01-24  Ian Lance Taylor  <iant@google.com>
3617
3618         * version.cc (version_string): Bump to 1.11.
3619
3620 2011-01-24  Ian Lance Taylor  <iant@google.com>
3621
3622         * plugin.cc (class Plugin_rescan): Define new class.
3623         (Plugin_manager::claim_file): Set any_claimed_.
3624         (Plugin_manager::save_archive): New function.
3625         (Plugin_manager::save_input_group): New function.
3626         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3627         necessary.
3628         (Plugin_manager::new_undefined_symbol): New function.
3629         (Plugin_manager::rescan): New function.
3630         (Plugin_manager::rescannable_defines): New function.
3631         (Plugin_manager::add_input_file): Set any_added_.
3632         * plugin.h (class Plugin_manager): define new fields rescannable_,
3633         undefined_symbols_, any_claimed_, and any_added_.  Declare
3634         Plugin_rescan as friend.  Declare new functions.
3635         (Plugin_manager::Rescannable): Define type.
3636         (Plugin_manager::Rescannable_list): Define type.
3637         (Plugin_manager::Undefined_symbol_list): Define type.
3638         (Plugin_manager::Plugin_manager): Initialize new fields.
3639         * archive.cc (Archive::defines_symbol): New function.
3640         (Add_archive_symbols::run): Pass archive to plugins if any.
3641         * archive.h (class Archive): Declare defines_symbol.
3642         * readsyms.cc (Input_group::~Input_group): New function.
3643         (Finish_group::run): Pass input_group to plugins if any.
3644         * readsyms.h (class Input_group): Declare destructor.
3645         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3646         any.
3647
3648 2011-01-10  Ian Lance Taylor  <iant@google.com>
3649
3650         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3651         section as relro.
3652         (Layout::set_segment_offsets): Reset increase_relro before calling
3653         set_section_addresses a second time.
3654
3655 2011-01-04  Cary Coutant  <ccoutant@google.com>
3656
3657         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3658         sections before NOBITS sections.
3659
3660 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3661
3662         * version.cc (print_version): Update copyright to 2011.
3663
3664 2010-12-23  Cary Coutant  <ccoutant@google.com>
3665
3666         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3667         of OS to this->add.  Add OD parameter to second form of the function.
3668
3669 2010-12-20  Ian Lance Taylor  <iant@google.com>
3670
3671         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3672         second of two consecutive entries with same offset.
3673
3674 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3675
3676         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3677         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3678         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3679         to avoid unneeded links against $(LDADD).
3680         * testsuite/Makefile.in: Regenerate.
3681
3682 2010-12-15  Ian Lance Taylor  <iant@google.com>
3683
3684         PR gold/12324
3685         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3686         for R_X86_64_32 and R_X86_64_PC32.
3687         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3688         ver_matching_def_pic.o.
3689         (ver_matching_def_pic.o): New target.
3690
3691 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3692
3693         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3694         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3695         Move definition before File_read::View member definitions.
3696         (File_read::View::~View): Initialize and hold lock before
3697         updating current_mapped_bytes.
3698
3699 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3700
3701         * dwarf_reader.cc: Remove outdated comment.
3702         * gold-threads.cc: Fix typo in error message.
3703         * archive.cc: Fix typos in comments.
3704         * archive.h: Likewise.
3705         * arm-reloc-property.cc: Likewise.
3706         * arm-reloc-property.h: Likewise.
3707         * arm-reloc.def: Likewise.
3708         * arm.cc: Likewise.
3709         * attributes.h: Likewise.
3710         * cref.cc: Likewise.
3711         * ehframe.cc: Likewise.
3712         * fileread.h: Likewise.
3713         * gold.h: Likewise.
3714         * i386.cc: Likewise.
3715         * icf.cc: Likewise.
3716         * incremental.h: Likewise.
3717         * int_encoding.cc: Likewise.
3718         * layout.h: Likewise.
3719         * main.cc: Likewise.
3720         * merge.h: Likewise.
3721         * object.cc: Likewise.
3722         * object.h: Likewise.
3723         * options.cc: Likewise.
3724         * readsyms.cc: Likewise.
3725         * reduced_debug_output.cc: Likewise.
3726         * reloc.cc: Likewise.
3727         * script-sections.cc: Likewise.
3728         * sparc.cc: Likewise.
3729         * symtab.h: Likewise.
3730         * target-reloc.h: Likewise.
3731         * target.cc: Likewise.
3732         * target.h: Likewise.
3733         * timer.cc: Likewise.
3734         * timer.h: Likewise.
3735         * x86_64.cc: Likewise.
3736
3737 2010-12-09  Cary Coutant  <ccoutant@google.com>
3738
3739         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3740         stack.
3741         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3742         parameter; change all callers.
3743         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3744         * options.h (warn_execstack): New option.
3745
3746 2010-12-07  Doug Kwan  <dougkwan@google.com>
3747
3748         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3749         like function call relocations.
3750
3751 2010-12-07  Ian Lance Taylor  <iant@google.com>
3752
3753         * archive.cc (Archive::get_elf_object_for_member): Permit
3754         punconfigured to be NULL.
3755         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3756         (Archive::include_member): Pass NULL to get_elf_object_for_member
3757         if we searched for the archive and this is the first included
3758         object.
3759
3760 2010-12-01  Ian Lance Taylor  <iant@google.com>
3761
3762         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3763         track_relocs_type_ field.
3764         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3765         Set track_relocs_type_.
3766         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3767         contents when using RELA relocs.
3768         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3769         reloc_map_.
3770         * reloc.cc (Track_relocs::next_addend): New function.
3771         * reloc.h (class Track_relocs): Declare next_addend.
3772
3773 2010-12-01  Ian Lance Taylor  <iant@google.com>
3774
3775         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3776         virtual destructor.
3777
3778 2010-12-01  Ian Lance Taylor  <iant@google.com>
3779
3780         * README: Update compilers known to work and fail.
3781
3782 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3783
3784         * configure.in: For --enable-gold, handle value `default' instead of
3785         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3786         not the default.
3787         * configure: Regenerate.
3788
3789 2010-11-18  Doug Kwan  <dougkwan@google.com>
3790
3791         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3792         and right_alignment to be zero.  Store result alignment only if it is
3793         greater than existing alignment.
3794
3795 2010-11-16  Cary Coutant  <ccoutant@google.com>
3796
3797         PR gold/12220
3798         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3799         Check for ".zdebug_line".
3800
3801 2010-11-16  Doug Kwan  <dougkwan@google.com>
3802             Cary Coutant  <ccoutant@google.com>
3803
3804         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3805         by reference; adjust all callers.
3806         * output.cc (Output_segment::set_section_addresses): Adjust references
3807         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3808         list is empty.
3809         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3810         end at page boundary.
3811
3812 2010-11-16  Cary Coutant  <ccoutant@google.com>
3813
3814         PR gold/12220
3815         * layout.cc (Layout::choose_output_section): Transform names of
3816         compressed sections even when using a script with a SECTIONS clause.
3817         (Layout::output_section_name): Remove code to transform
3818         compressed debug section names.
3819         * output.cc (Output_section::add_input_section): Use uncompressed
3820         section size when tracking input sections.
3821
3822 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3823
3824         * symtab.h (Symbol::NON_PIC_REF): Remove.
3825         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3826         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3827         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3828         (Symbol::use_plt_offset): Take a flags argument and pass it
3829         directly to needs_dynamic_reloc.  Restrict check for undefined
3830         weak symbols to function calls.
3831         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3832         (Target_arm::Scan::global): Use it.
3833         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3834         (Target_arm::Relocate::relocate): Likewise.
3835         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3836         parameter with an r_type parameter.  Use get_reference_flags
3837         to get the flags.
3838         (Target_arm::Relocate::relocate): Update accordingly.
3839         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3840         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3841         (Target_i386::Scan::global): Likewise.
3842         (Target_i386::Relocate::relocate): Likewise.
3843         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3844         parameter with an r_type parameter.  Use get_reference_flags
3845         to get the flags.
3846         (Target_i386::Relocate::relocate): Update accordingly.
3847         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3848         (Target_powerpc::Scan::global): Use it.
3849         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3850         (Target_powerpc::Relocate::relocate): Likewise.
3851         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3852         (Target_sparc::Scan::global): Use it.
3853         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3854         (Target_sparc::Relocate::relocate): Likewise.
3855         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3856         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3857         (Target_x86_64::Scan::global): Likewise.
3858         (Target_x86_64::Relocate::relocate): Likewise.
3859
3860 2010-11-08  Doug Kwan  <dougkwan@google.com>
3861             Cary Coutant  <ccoutant@google.com>
3862
3863         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3864         (Arm_exidx_merge_section::section_contents_): New data member.
3865         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3866         (Arm_input_section::~Arm_input_section): De-allocate memory.
3867         (Arm_input_section::original_contents_): New data member.
3868         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3869         in parameters instead of calling Object::section_contents without
3870         locking.
3871         (Arm_output_section::group_section): New parameter TASK.  Pass it
3872         to callees that need locking objects.
3873         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3874         to lock EXIDX input sections.  Fix a formatting issue.  Call
3875         Arm_exidx_merged_section::build_contents to create merged section
3876         contents.
3877         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3878         to lock object of stub table owner.
3879         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3880         TEXT_SIZE to initialize data member TEXT_SIZE_.
3881         (Arm_exidx_input_section::addralign): Fix typo in comment.
3882         (Arm_exidx_input_section::text_size): New method.
3883         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3884         that require locking objects.  Lock objects before scanning for stubs
3885         and updating local symbols.
3886         (Arm_input_section<big_endian>::init): Copy contents of original
3887         input section.
3888         (Arm_input_section<big_endian>::do_write): Use saved contents of
3889         original input section instead of calling Object::section_contents
3890         without locking.
3891         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3892         size without calling Object::section_size().
3893         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3894         for size.  Allocate a buffer for merged EXIDX entries.
3895         (Arm_exidx_merged_section::build_contents): New method.
3896         (Arm_exidx_merged_section::do_write): Move merge section contents
3897         building code to Arm_exidx_merged_section::build_contetns.  Write
3898         out contetns in buffer instead of building it on the fly.
3899         (Arm_relobj::make_exidx_input_section): Also pass text section size
3900         to Arm_exidx_input_section constructor.
3901         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3902         (Arm_dynobj::do_read_symbols): Fix memory leak.
3903         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3904         * target.h: (class Task): Add forward declaration.
3905         (Target::relax): Add new parameter TASK and pass it to
3906         Target::do_relax().
3907         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3908
3909 2010-11-05  Cary Coutant  <ccoutant@google.com>
3910
3911         PR gold/10708
3912         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3913         object when reading from the file.
3914         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3915         second layout pass.
3916         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3917         when reading section contents.
3918         (get_section_contents): Likewise.
3919         (icf::find_identical_sections): Likewise.
3920         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3921         object when reading from the file.
3922         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3923         the object when doing deferred section layout.
3924
3925 2010-11-03  Nick Clifton  <nickc@redhat.com>
3926
3927         PR gold/12001
3928         * script.h (class Symbol_assignment: name): New member.  Returns
3929         the name of the symbol.
3930         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3931         Returns true if the given symbol name is on the list of
3932         assignments wating to be processed.
3933         * archive.cc (should_incldue_member): If the symbol is undefined,
3934         check to see if it is on the list of symbols pending assignment.
3935
3936 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3937
3938         * script-sections.cc (Script_sections::find_memory_region): Check
3939         for a NULL output section pointer.
3940
3941 2010-10-29  Doug Kwan  <dougkwan@google.com>
3942
3943         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3944         Output_section::add_relaxed_input_section.
3945         * output.cc (Output_section::add_relaxed_input_section): Add new
3946         arguments LAYOUT and NAME.  Set section order index.
3947         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3948         Copy section order index.
3949         * output.h (Output_section::add_relaxed_input_section): Add new
3950         arguments LAYOUT and NAME.
3951
3952 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3953
3954         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3955         NATIVE_OR_CROSS_LINKER.
3956         * testsuite/Makefile.in: Regenerate.
3957
3958 2010-10-20  Doug Kwan  <dougkwan@google.com>
3959
3960         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3961         without SHF_LINK_ORDER flags.
3962         * layout.cc (Layout::choose_output_section): Do not filter
3963         SHF_LINK_ORDER flag in a relocatable link.
3964
3965 2010-10-17  Cary Coutant  <ccoutant@google.com>
3966
3967         * output.h (Output_segment::set_section_addresses): Change function
3968         signature.  Update all callers.
3969         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3970         sections.
3971         (Output_segment::set_section_addresses): Align after last TLS
3972         section.  Add padding before last relro section instead of after.
3973
3974 2010-10-17  Doug Kwan  <dougkwan@google.com>
3975
3976         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3977         GOT output section to be writable.
3978
3979 2010-10-14  Cary Coutant  <ccoutant@google.com>
3980
3981         * debug.h (DEBUG_INCREMENTAL): New flag.
3982         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3983         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3984         mode.
3985         * incremental.cc (report_command_line): Ignore all forms of
3986         --incremental.
3987         * layout.cc (Layout::Layout): Check parameters for incremental link
3988         mode.
3989         * options.cc (General_options::parse_incremental): New function.
3990         (General_options::parse_no_incremental): New function.
3991         (General_options::parse_incremental_full): New function.
3992         (General_options::parse_incremental_update): New function.
3993         (General_options::incremental_mode_): New data member.
3994         (General_options::finalize): Check incremental_mode_.
3995         * options.h (General_options): Update help text for --incremental.
3996         Add --no-incremental, --incremental-full, --incremental-update.
3997         (General_options::Incremental_mode): New enum type.
3998         (General_options::incremental_mode): New function.
3999         (General_options::incremental_mode_): New data member.
4000         * parameters.cc (Parameters::incremental_mode_): New data member.
4001         (Parameters::set_options): Set incremental_mode_.
4002         (Parameters::set_incremental_full): New function.
4003         (Parameters::incremental): New function.
4004         (Parameters::incremental_update): New function.
4005         (set_parameters_incremental_full): New function.
4006         * parameters.h (Parameters::set_incremental_full): New function.
4007         (Parameters::incremental): New function.
4008         (Parameters::incremental_update): New function.
4009         (Parameters::incremental_mode_): New data member.
4010         (set_parameters_incremental_full): New function.
4011         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
4012         incremental link mode.
4013         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
4014         (Sized_relobj::do_relocate_sections): Likewise.
4015         * testsuite/Makefile.am (incremental_test): Use --incremental-full
4016         option.
4017         * testsuite/Makefile.in: Regenerate.
4018         * testsuite/incremental_test.sh: Filter all forms of --incremental.
4019
4020 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4021
4022         * script-sections.h (class Script_sections): Make
4023         Sections_elements typedef public.
4024         * script-sections.cc (class Sort_output_sections): Add elements_
4025         field.  Add constructor which sets it; change all callers.
4026         (Sort_output_sections::is_before): New function.
4027         (Sort_output_sections::operator()): Call is_before.
4028         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
4029         conditional.
4030         * testsuite/script_test_10.sh: New test. Test script section
4031         order.
4032         * testsuite/script_test_10.t: Likewise.
4033         * testsuite/script_test_10.s: Likewise.
4034         * testsuite/Makefile.am: Wrap the cross linker tests and the
4035         common tests into NATIVE_OR_CROSS_LINKER.
4036         (check_SCRIPTS): Add script_test_10.sh.
4037         (check_DATA): Add script_test_10.stdout.
4038         (script_test_10.o, script_test_10): New targets.
4039         (script_test_10.stdout): New target.
4040         * configure, testsuite/Makefile.in: Regenerate.
4041
4042 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4043
4044         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
4045         error for the deprecated relocations.
4046         (Target_arm::Scan::global): Likewise.
4047         (Target_arm::Relocate::relocate): Likewise.
4048
4049 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
4050
4051         * fileread.cc (Input_file::find_file): Initialize *found_name
4052         and *namep when using the fallback search for case 4.
4053
4054 2010-10-11  Cary Coutant  <ccoutant@google.com>
4055
4056         * options.h (class General_options): Redefine -z lazy as an alias for
4057         the negation of -z now.
4058
4059 2010-10-11  Ian Lance Taylor  <iant@google.com>
4060
4061         * resolve.cc (symbol_to_bits): Report the value of the unsupported
4062         binding.
4063
4064 2010-10-06  Nick Clifton  <nickc@redhat.com>
4065
4066         * script-sections.cc(class Memory_region): Remove
4067         current_lma_offset_ field.  Rename current_vma_offset_ to
4068         current_offset_.  Add last_section_ field.
4069         (Memory_region::get_current_vma_address): Rename to
4070         get_current_address.
4071         (Memory_region::get_current_lma_address): Delete.
4072         (Memory_region::increment_vma_offset): Rename to
4073         increment_offset.
4074         (Memory_region::increment_lma_offset): Delete.
4075         (Memory_region::attributes_compatible): New method.  Returns
4076         true if the provided section is compatible with the region.
4077         (Memory_region::get_last_section): New method.  Returns the last
4078         section to use the region.
4079         (Memory_region::set_last_section): New method.  Stores the last
4080         section to use the region.
4081         (Script_sections::block_in_region): New method.  Returns true if
4082         a block of memory is contained within a region.
4083         (Script_sections::find_memory_region): New method.  Locates a
4084         memory region to be used to set a VMA or LMA address.
4085         (Output_section_definition::set_section_addresses): Add code to
4086         check for addresses set by memory regions.
4087         (Output_segment::set_section_addresses): Remove memory region
4088         walking code.
4089         (Script_sections::create_segment): Add a warning if a header
4090         segment is created outside of any region.
4091         * script-sections.h (class Script_sections): Add prototypes for
4092         find_memory_region and block_in_region methods.
4093         * testsuite/memory_test.s: Use .long instead of .word.
4094         * testsuite/memory_test.t: Add some more output sections.
4095         * testsuite/memory_test.sh: Update expected output.
4096
4097 2010-10-02  Doug Kwan  <dougkwan@google.com>
4098
4099         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
4100         defintion to symtab.h
4101         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
4102         declaration to defintion.
4103
4104 2010-10-01  Nick Clifton  <nickc@redhat.com>
4105
4106         * expression.cc (eval): Replace dummy argument with NULL.
4107         (eval_maybe_dot): Check for a NULL result section pointer.
4108         (Symbol_expression::value): Likewise.
4109         (Dot_expression::value): Likewise.
4110         (BINARY_EXPRESSION): Likewise.
4111         (Max_expression::value): Likewise.
4112         (Min_expression::value): Likewise.
4113         (Absolute_expression::value): Likewise.
4114         (Addr_expression::value_from_output_section): Likewise.
4115         (Loaddddr_expression::value_from_output_section): Likewise.
4116         (Segment_start_expression::value): Likewise.
4117         * script-sections.cc
4118         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
4119         argument with NULL.
4120         (Sections_elememt_dot_assignment::set_section_addresses):
4121         Likewise.
4122         (Output_data_expression::do_write_to_buffer): Likewise.
4123         (Output_section_definition::finalize_symbols): Likewise.
4124         (Output_section_definition::set_section_addresses): Likewise.
4125
4126 2010-09-30  Doug Kwan  <dougkwan@google.com>
4127
4128         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4129
4130 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4131
4132         * target.h (Target::can_icf_inline_merge_sections): New virtual
4133         function.
4134         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4135         virtual function.
4136         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4137         virtual function.
4138         * icf.cc (get_section_contents): Inline merge sections only when
4139         target allows it.
4140
4141 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4142
4143         * configure: Regenerate.
4144
4145 2010-09-17  Ian Lance Taylor  <iant@google.com>
4146
4147         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4148         * testsuite/Makefile.am (memory_test.o): New target.
4149         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4150         memory_test.t.
4151         * testsuite/Makefile.in: Rebuild.
4152
4153 2010-09-17  Doug Kwan  <dougkwan@google.com>
4154
4155         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4156         defintion if relocation uses GOT entries of the symbol.
4157         * testsuite/icf_safe_test.sh: Fix test.
4158         * testsuite/icf_safe_so_test.sh: Fix test.
4159
4160 2010-09-16  Cary Coutant  <ccoutant@google.com>
4161
4162         * script_sections.cc (class Memory_region): Remove "NULL" from
4163         vector initializations.
4164
4165 2010-09-15  Cary Coutant  <ccoutant@google.com>
4166
4167         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4168         Resolve forwarding symbols.
4169
4170 2010-09-15  Doug Kwan  <dougkwan@google.com>
4171
4172         * gold/testsuite/script_test_3.t: Add ARM special sections.
4173         * gold/testsuite/script_test_4.t: Same.
4174         * gold/testsuite/script_test_5.t: Same.
4175         * gold/testsuite/script_test_6.t: Same.
4176         * gold/testsuite/script_test_7.t: Same.
4177         * gold/testsuite/script_test_7.t: Same.
4178         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4179
4180 2010-09-14  Cary Coutant  <ccoutant@google.com>
4181
4182         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4183         (Target_x86_64::Relocate::relocate_tls): Replace check for
4184         saw_tls_block_reloc_ with test for executable section.
4185
4186 2010-09-12  Cary Coutant  <ccoutant@google.com>
4187
4188         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4189         position-independent executables to shared libraries need dynamic
4190         relocations.
4191         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4192         position-independent executables.
4193         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4194         * testsuite/Makefile.in: Regenerate.
4195
4196 2010-09-10  Nick Clifton  <nickc@redhat.com>
4197
4198         PR gold/11997
4199         * testsuite/memory_test.t: Discard any sections that are not
4200         needed.
4201
4202 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4203
4204         PR gold/11996
4205         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4206         "This::" to work around a bug in gcc 4.2.
4207
4208         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4209
4210 2010-09-09  Rafael Espindola  <espindola@google.com>
4211
4212         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4213         sections with different PF_X flags in the same segment.
4214         (Layout::find_first_load_seg): Search all segments to find the first
4215         one.
4216         * options.h (rosegment): New.
4217
4218 2010-09-08  Rafael Espindola  <espindola@google.com>
4219
4220         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4221
4222 2010-09-08  Doug Kwan  <dougkwan@google.com>
4223
4224         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4225         (Arm_relobj::do_relocate_sections): Add new parameter for output
4226         file to match the parent.
4227         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
4228         of local symbols instead of input values.  Update code to track
4229         changes in gold::relocate_section.
4230         * object.cc (Sized_relobj::compute_final_local_value): New methods.
4231         (Sized_relobj::compute_final_local_value_internal): New methods.
4232         (Sized_relobj::do_finalize_local_symbols): Move code from loop
4233         body into private version of Sized_relobj::compute_final_local_value.
4234         Call the inline method.
4235         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
4236         merged symbol value if there is one.
4237         (Symbol_value::has_output_value): New method defintiion.
4238         (Sized_relobj::Compute_final_local_value_status): New enum type.
4239         (Sized_relobj::compute_final_local_value): New methods.
4240         (Sized_relobj::compute_final_local_value_internal): New methods.
4241         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
4242         and arm_cortex_a8.sh.
4243         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
4244         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
4245         New tests.
4246         * Makefile.in: Regenerate.
4247         * testsuite/arm_bl_out_of_range.s: Update test.
4248         * testsuite/thumb_bl_out_of_range.s: Ditto.
4249         * testsuite/thumb_blx_out_of_range.s: Ditto.
4250         * testsuite/arm_branch_out_of_range.sh: New file.
4251         * testsuite/arm_cortex_a8.sh: Ditto.
4252         * testsuite/arm_cortex_a8_b.s: Ditto.
4253         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
4254         * testsuite/arm_cortex_a8_b_local.s: Ditto.
4255         * testsuite/arm_cortex_a8_bl.s: Ditto.
4256         * testsuite/arm_cortex_a8_blx.s: Ditto.
4257         * testsuite/arm_cortex_a8_local.s: Ditto.
4258         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
4259         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
4260
4261 2010-09-08  Rafael Espindola  <espindola@google.com>
4262
4263         * Makefile.am (memory_test.stdout): Run readelf with -W.
4264         * Makefile.in: Regenerate.
4265         * testsuite/memory_test.sh: Make the regexps accept both 32 and
4266         64 bit output.
4267
4268 2010-09-08  Rafael Espindola  <espindola@google.com>
4269
4270         * script-sections.cc (Script_sections::add_memory_region): Convert
4271         field precision to int.
4272         * script.cc (script_set_section_region, script_set_section_region):
4273         Convert field precision to int.
4274
4275 2010-09-08  Rafael Espindola  <espindola@google.com>
4276
4277         * arm.cc (do_finalize_sections): Create the __exidx_start and
4278         __exdix_end symbols even when the section is missing.
4279
4280 2010-09-08  Nick Clifton  <nickc@redhat.com>
4281
4282         * README: Remove claim that MEMORY is not supported.
4283         * expression.cc (script_exp_function_origin)
4284         (script_exp_function_length): Move from here to ...
4285         * script.cc: ... here.
4286         (script_set_section_region, script_add_memory)
4287         (script_parse_memory_attr, script_include_directive): New
4288         functions.
4289         * script-sections.cc
4290         (class Memory_region): New class.
4291         (class Output_section_definition): Add set_memory_region,
4292         set_section_vma, set_section_lma and get_section_name methods.
4293         (class Script_Sections): Add add_memory_region,
4294         find_memory_region, find_memory_region_origin,
4295         find_memory_region_length and set_memory_region methods.
4296         Have set_section_addresses method walk the list of set memory
4297         regions.
4298         Extend the print methos to display memory regions.
4299         * script-sections.h: Add prototypes for new methods.
4300         Add enum for MEMORY region attributes.
4301         * yyscript.y: Add support for parsing MEMORY regions.
4302         * script-c.h: Add prototypes for new functions.
4303         * testsuite/Makefile.am: Add test of MEMORY region functionality.
4304         * testsuite/Makefile.in: Regenerate.
4305         * testsuite/memory_test.sh: New script.
4306         * testsuite/memory_test.s: New assembler source file.
4307         * testsuite/memory_test.t: New linker script.
4308
4309 2010-08-27  Doug Kwan  <dougkwan@google.com>
4310
4311         * gold/resolve.cc (Symbol_table::should_override): Let a weak
4312         reference override an existing dynamic weak reference.
4313         * testsuite/Makefile.am: Add new test dyn_weak_ref.
4314         * testsuite/Makefile.in: Regenerate.
4315         * testsuite/dyn_weak_ref.sh: New file.
4316         * testsuite/dyn_weak_ref_1.c: Ditto.
4317         * testsuite/dyn_weak_ref_2.c: Ditto.
4318
4319 2010-08-27  Ian Lance Taylor  <iant@google.com>
4320
4321         * incremental.h (class Incremental_input_entry): Add virtual
4322         destructor.
4323
4324 2010-08-27  Ian Lance Taylor  <iant@google.com>
4325
4326         * testsuite/start_lib_test_3.c: Mark t3 as used.
4327
4328 2010-08-27  Nick Clifton  <nickc@redhat.com>
4329
4330         * options.cc (version_script): Fix small typo in previous
4331         whitespace tidyup.
4332
4333 2010-08-25  Nick Clifton  <nickc@redhat.com>
4334
4335         * archive.cc: Formatting fixes: Remove whitespace between
4336         typename and following asterisk.  Remove whitespace between
4337         function name and opening parenthesis.
4338         * archive.h: Likewise.
4339         * arm.cc: Likewise.
4340         * attributes.cc: Likewise.
4341         * attributes.h: Likewise.
4342         * common.cc: Likewise.
4343         * copy-relocs.cc: Likewise.
4344         * dirsearch.h: Likewise.
4345         * dynobj.cc: Likewise.
4346         * ehframe.cc: Likewise.
4347         * ehframe.h: Likewise.
4348         * expression.cc: Likewise.
4349         * fileread.cc: Likewise.
4350         * fileread.h: Likewise.
4351         * gc.h: Likewise.
4352         * gold-threads.cc: Likewise.
4353         * gold.cc: Likewise.
4354         * i386.cc: Likewise.
4355         * icf.h: Likewise.
4356         * incremental-dump.cc: Likewise.
4357         * incremental.cc: Likewise.
4358         * layout.cc: Likewise.
4359         * layout.h: Likewise.
4360         * main.cc: Likewise.
4361         * merge.cc: Likewise.
4362         * merge.h: Likewise.
4363         * object.cc: Likewise.
4364         * object.h: Likewise.
4365         * options.cc: Likewise.
4366         * options.h: Likewise.
4367         * output.cc: Likewise.
4368         * output.h: Likewise.
4369         * plugin.cc: Likewise.
4370         * plugin.h: Likewise.
4371         * powerpc.cc: Likewise.
4372         * reloc.cc: Likewise.
4373         * script-c.h: Likewise.
4374         * script-sections.cc: Likewise.
4375         * script.cc: Likewise.
4376         * stringpool.cc: Likewise.
4377         * symtab.cc: Likewise.
4378         * symtab.h: Likewise.
4379         * target.cc: Likewise.
4380         * timer.cc: Likewise.
4381         * timer.h: Likewise.
4382         * version.cc: Likewise.
4383         * x86_64.cc: Likewise.
4384
4385 2010-08-24  Nick Clifton  <nickc@redhat.com>
4386
4387         PR 11899
4388         * layout.cc (segment_precedes): Sort segments by their physical
4389         addresses, if they have been set.
4390
4391 2010-08-23  Cary Coutant  <ccoutant@google.com>
4392
4393         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
4394         symbols data.
4395         (Lib_group::include_member): Unlock object after deleting its
4396         symbols data.
4397         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
4398         the bug fixed here.
4399
4400 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
4401             Cary Coutant  <ccoutant@google.com>
4402
4403         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
4404         constructor, and set_blocker.
4405         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
4406         readsyms_blocker_.
4407         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
4408         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
4409         * testsuite/Makefile.am (start_lib_test): New test case.
4410         * testsuite/Makefile.in: Regenerate.
4411         * testsuite/start_lib_test_main.c: New file.
4412         * testsuite/start_lib_test_1.c: New file.
4413         * testsuite/start_lib_test_2.c: New file.
4414         * testsuite/start_lib_test_3.c: New file.
4415
4416 2010-08-19  Ian Lance Taylor  <iant@google.com>
4417
4418         * Makefile.in: Rebuild with automake 1.11.1.
4419         * aclocal.m4: Likewise.
4420         * testsuite/Makefile.in: Likewise.
4421
4422 2010-08-19  Ian Lance Taylor  <iant@google.com>
4423
4424         PR 10893
4425         * i386.cc (class Output_data_plt_i386): Update declarations.
4426         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
4427         local_ifuncs_ fields.
4428         (Target_i386::do_plt_section_for_global): New function.
4429         (Target_i386::do_plt_section_for_local): New function.
4430         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
4431         parameter; change all callers.  Initialize global_ifuncs_ and
4432         local_ifuncs_.  If doing a static link define __rel_iplt_start and
4433         __rel_iplt_end.
4434         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
4435         (Output_data_plt_i386::add_local_ifunc_entry): New function.
4436         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
4437         symbols.
4438         (Target_i386::make_plt_section): New function, broken out of
4439         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
4440         (Target_i386::make_plt_entry): Call make_plt_section.
4441         (Target_i386::make_local_ifunc_plt_entry): New function.
4442         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
4443         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
4444         R_386_IRELATIVE to switch.
4445         (Target_i386::Scan::global): Likewise.
4446         (Target_i386::Relocate::relocate): Likewise.
4447         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
4448         switch.
4449         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
4450         (Target_x86_64::do_plt_section_for_global): New function.
4451         (Target_x86_64::do_plt_section_for_local): New function.
4452         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
4453         parameter; change all callers.  If doing a static link define
4454         __rela_iplt_start and __rela_iplt_end.
4455         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
4456         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
4457         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
4458         to point to .plt.
4459         (Target_x86_64::make_local_ifunc_plt_entry): New function.
4460         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
4461         switch.
4462         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
4463         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
4464         R_X86_64_IRELATIVE to switch.
4465         (Target_x86_64::Scan::global): Likewise.
4466         (Target_x86_64::Relocate::relocate): Likewise.
4467         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
4468         switch.
4469         * target.h (class Target): Add plt_section_for_global and
4470         plt_section_for_local functions.  Add do_plt_section_for_global
4471         and do_plt_section_for_local virtual functions.
4472         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
4473         clarifying comments.
4474         (Symbol::use_plt_offset): Handle IFUNC symbol.
4475         * object.cc (Sized_relobj::Sized_relobj): Initialize
4476         local_plt_offsets_.
4477         (Sized_relobj::local_has_plt_offset): New function.
4478         (Sized_relobj::local_plt_offset): New function.
4479         (Sized_relobj::set_local_plt_offset): New function.
4480         (Sized_relobj::do_count): Handle IFUNC symbol.
4481         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
4482         a bit away from input_shndx_ field.  Add set_is_func_symbol and
4483         is_ifunc_symbol functions.
4484         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
4485         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
4486         local_plt_offsets_ field.
4487         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
4488         * output.h (class Output_section_data): Add non-const
4489         output_section function.
4490         (class Output_data_got): Update declarations.
4491         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
4492         Add use_plt_offset parameter to global and local constructors.
4493         Change all callers.  Change local_sym_index_ field to 31 bits.
4494         Change GSYM_CODE and CONSTANT_CODE accordingly.
4495         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
4496         doing a static link don't set sh_link field.
4497         (Output_data_got::Got_entry::write): Use PLT offset if
4498         appropriate.
4499         (Output_data_got::add_global_plt): New function.
4500         (Output_data_got::add_local_plt): New function.
4501         * target-reloc.h (relocate_section): Handle IFUNC symbol.
4502         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
4503         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
4504         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
4505         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
4506         IFUNC conditional.
4507         * testsuite/ifunc-sel.h: New file.
4508         * testsuite/ifuncmain1.c: New file.
4509         * testsuite/ifuncmain1vis.c: New file.
4510         * testsuite/ifuncmod1.c: New file.
4511         * testsuite/ifuncdep2.c: New file.
4512         * testsuite/ifuncmain2.c: New file.
4513         * testsuite/ifuncmain3.c: New file.
4514         * testsuite/ifuncmod3.c: New file.
4515         * testsuite/ifuncmain4.c: New file.
4516         * testsuite/ifuncmain5.c: New file.
4517         * testsuite/ifuncmod5.c: New file.
4518         * testsuite/ifuncmain6pie.c: New file.
4519         * testsuite/ifuncmod6.c: New file.
4520         * testsuite/ifuncmain7.c: New file.
4521         * configure, testsuite/Makefile.in: Rebuild.
4522
4523 2010-08-18  Ian Lance Taylor  <iant@google.com>
4524
4525         * incremental.cc
4526         (Output_section_incremental_inputs::write_input_files): Add cast
4527         to avoid signed/unsigned comparison warning.
4528         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4529
4530 2010-08-12  Cary Coutant  <ccoutant@google.com>
4531
4532         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4533
4534 2010-08-13  Ian Lance Taylor  <iant@google.com>
4535
4536         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4537
4538 2010-08-12  Cary Coutant  <ccoutant@google.com>
4539             Doug Kwan  <dougkwan@google.com>
4540
4541         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4542         defintion overrides non-weak undef, remember that the original undef
4543         is not weak.
4544         * symtab.cc (Symbol_table::sized_write_global): For undef without
4545         an original weak binding, set binding to global in output.
4546         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4547         * testsuite/Makefile.in: Regenerate.
4548         * testsuite/strong_ref_weak_def.sh: New file.
4549         * testsuite/strong_ref_weak_def_1.c: Ditto.
4550         * testsuite/strong_ref_weak_def_2.c: Ditto.
4551
4552 2010-08-12  Cary Coutant  <ccoutant@google.com>
4553
4554         * testsuite/incremental_test.sh: Rewrite.
4555         * testsuite/incremental_test_1.c: Rewrite.
4556         * testsuite/incremental_test_2.c: Rewrite.
4557
4558 2010-08-12  Cary Coutant  <ccoutant@google.com>
4559
4560         * arm.cc (Target_arm::got_size): Add const.
4561         (Target_arm::got_entry_count): New function.
4562         (Target_arm::plt_entry_count): New function.
4563         (Target_arm::first_plt_entry_offset): New function.
4564         (Target_arm::plt_entry_size): New function.
4565         (Output_data_plt_arm::entry_count): New function.
4566         (Output_data_plt_arm::first_plt_entry_offset): New function.
4567         (Output_data_plt_arm::get_plt_entry_size): New function.
4568         * i386.cc (Target_i386::got_size): Add const.
4569         (Target_i386::got_entry_count): New function.
4570         (Target_i386::plt_entry_count): New function.
4571         (Target_i386::first_plt_entry_offset): New function.
4572         (Target_i386::plt_entry_size): New function.
4573         (Output_data_plt_i386::entry_count): New function.
4574         (Output_data_plt_i386::first_plt_entry_offset): New function.
4575         (Output_data_plt_i386::get_plt_entry_size): New function.
4576         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4577         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4578         * incremental.cc: Include target.h.
4579         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4580         parameter.  Adjust all callers.  Find incremental_got_plt section.
4581         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4582         section.
4583         (Output_section_incremental_inputs::set_final_data_size): Calculate
4584         size of incremental_got_plt section.
4585         (Output_section_incremental_inputs::do_write): Write the
4586         incremental_got_plt section.
4587         (Got_plt_view_info): New struct.
4588         (Local_got_offset_visitor): New class.
4589         (Global_got_offset_visitor): New class.
4590         (Global_symbol_visitor_got_plt): New class.
4591         (Output_section_incremental_inputs::write_got_plt): New function.
4592         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4593         Add parameter.  Adjust all callers.
4594         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4595         (Incremental_inputs::got_plt_section): New function.
4596         (Incremental_inputs::got_plt_section_): New data member.
4597         (Incremental_got_plt_reader): New class.
4598         * layout.cc (Layout::create_incremental_info_sections): Add the
4599         incremental_got_plt section.
4600         * object.h (Got_offset_list::get_list): New function.
4601         (Got offset_list::for_all_got_offsets): New function.
4602         (Sized_relobj::local_got_offset_list): New function.
4603         * powerpc.cc (Target_powerpc::got_size): Add const.
4604         (Target_powerpc::got_entry_count): New function.
4605         (Target_powerpc::plt_entry_count): New function.
4606         (Target_powerpc::first_plt_entry_offset): New function.
4607         (Target_powerpc::plt_entry_size): New function.
4608         (Output_data_plt_powerpc::entry_count): New function.
4609         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4610         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4611         * sparc.cc (Target_sparc::got_size): Add const.
4612         (Target_sparc::got_entry_count): New function.
4613         (Target_sparc::plt_entry_count): New function.
4614         (Target_sparc::first_plt_entry_offset): New function.
4615         (Target_sparc::plt_entry_size): New function.
4616         (Output_data_plt_sparc::entry_count): New function.
4617         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4618         (Output_data_plt_sparc::get_plt_entry_size): New function.
4619         * symtab.h (Symbol::got_offset_list): New function.
4620         (Symbol_table::for_all_symbols): New function.
4621         * target.h (Sized_target::got_entry_count): New function.
4622         (Sized_target::plt_entry_count): New function.
4623         (Sized_target::plt_entry_size): New function.
4624         * x86_64.cc (Target_x86_64::got_size): Add const.
4625         (Target_x86_64::got_entry_count): New function.
4626         (Target_x86_64::plt_entry_count): New function.
4627         (Target_x86_64::first_plt_entry_offset): New function.
4628         (Target_x86_64::plt_entry_size): New function.
4629         (Output_data_plt_x86_64::entry_count): New function.
4630         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4631         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4632
4633 2010-08-12  Cary Coutant  <ccoutant@google.com>
4634
4635         * archive.cc: Include incremental.h.
4636         (Archive::Archive): Initialize incremental_info_.
4637         (Archive::include_member): Record archive members in incremental info.
4638         (Add_archive_symbols::run): Record begin and end of an archive in
4639         incremental info.
4640         (Lib_group::include_member): Record objects in incremental info.
4641         * archive.h (Incremental_archive_entry): Forward declaration.
4642         (Archive::set_incremental_info): New member function.
4643         (Archive::incremental_info): New member function.
4644         (Archive::Unused_symbol_iterator): New class.
4645         (Archive::unused_symbols_begin): New member function.
4646         (Archive::unused_symbols_end): New member function.
4647         (Archive::incremental_info_): New data member.
4648         * incremental-dump.cc (find_input_containing_global): New function.
4649         (dump_incremental_inputs): Dump new incremental info sections.
4650         * incremental.cc: Include symtab.h.
4651         (Output_section_incremental_inputs): New class.
4652         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4653         new incremental info sections.
4654         (Sized_incremental_binary::do_check_inputs): Likewise.
4655         (Incremental_inputs::report_archive): Remove.
4656         (Incremental_inputs::report_archive_begin): New function.
4657         (Incremental_inputs::report_archive_end): New function.
4658         (Incremental_inputs::report_object): New function.
4659         (Incremental_inputs::finalize_inputs): Remove.
4660         (Incremental_inputs::report_input_section): New function.
4661         (Incremental_inputs::report_script): Rewrite.
4662         (Incremental_inputs::finalize): Do nothing but finalize string table.
4663         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4664         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4665         (Incremental_inputs::create_data_sections): New function.
4666         (Incremental_inputs::relocs_entsize): New function.
4667         (Output_section_incremental_inputs::set_final_data_size): New function.
4668         (Output_section_incremental_inputs::do_write): New function.
4669         (Output_section_incremental_inputs::write_header): New function.
4670         (Output_section_incremental_inputs::write_input_files): New function.
4671         (Output_section_incremental_inputs::write_info_blocks): New function.
4672         (Output_section_incremental_inputs::write_symtab): New function.
4673         * incremental.h (Incremental_script_entry): Forward declaration.
4674         (Incremental_object_entry): Forward declaration.
4675         (Incremental_archive_entry): Forward declaration.
4676         (Incremental_inputs): Forward declaration.
4677         (Incremental_inputs_header_data): Remove.
4678         (Incremental_inputs_header): Remove.
4679         (Incremental_inputs_header_write): Remove.
4680         (Incremental_inputs_entry_data): Remove.
4681         (Incremental_inputs_entry): Remove.
4682         (Incremental_inputs_entry_write): Remove.
4683         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4684         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4685         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4686         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4687         Likewise.
4688         (Incremental_input_entry): New class.
4689         (Incremental_script_entry): New class.
4690         (Incremental_object_entry): New class.
4691         (Incremental_archive_entry): New class.
4692         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4693         (Incremental_inputs::report_inputs): Remove.
4694         (Incremental_inputs::report_archive): Remove.
4695         (Incremental_inputs::report_archive_begin): New function.
4696         (Incremental_inputs::report_archive_end): New function.
4697         (Incremental_inputs::report_object): Change prototype.
4698         (Incremental_inputs::report_input_section): New function.
4699         (Incremental_inputs::report_script): Change prototype.
4700         (Incremental_inputs::get_reloc_count): New function.
4701         (Incremental_inputs::set_reloc_count): New function.
4702         (Incremental_inputs::create_data_sections): New function.
4703         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4704         (Incremental_inputs::inputs_section): New function.
4705         (Incremental_inputs::symtab_section): New function.
4706         (Incremental_inputs::relocs_section): New function.
4707         (Incremental_inputs::get_stringpool): Add const.
4708         (Incremental_inputs::command_line): Add const.
4709         (Incremental_inputs::inputs): Remove.
4710         (Incremental_inputs::command_line_key): New function.
4711         (Incremental_inputs::input_file_count): New function.
4712         (Incremental_inputs::input_files): New function.
4713         (Incremental_inputs::relocs_entsize): New function.
4714         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4715         (Incremental_inputs::finalize_inputs): Remove.
4716         (Incremental_inputs::Input_info): Remove.
4717         (Incremental_inputs::lock_): Remove.
4718         (Incremental_inputs::inputs_): Change type.
4719         (Incremental_inputs::inputs_map_): Remove.
4720         (Incremental_inputs::current_object_entry_): New data member.
4721         (Incremental_inputs::inputs_section_): New data member.
4722         (Incremental_inputs::symtab_section_): New data member.
4723         (Incremental_inputs::relocs_section_): New data member.
4724         (Incremental_inputs::reloc_count_): New data member.
4725         (Incremental_inputs_reader): New class.
4726         (Incremental_symtab_reader): New class.
4727         (Incremental_relocs_reader): New class.
4728         * layout.cc (Layout::finalize): Move finalization of incremental info
4729         and creation of incremental info sections to follow finalization of
4730         symbol table.  Set offsets for postprocessing sections.
4731         (Layout::create_incremental_info_sections): Call
4732         Incremental_inputs::create_data_sections.  Add incremental symtab
4733         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4734         sections to layout after input sections.
4735         * layout.h (struct Timespec): Forward declaration.
4736         (Layout::incremental_inputs): Add const.
4737         (Layout::create_incremental_info_sections): Add parameter.
4738         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4739         * object.cc: Include incremental.h.
4740         (Relobj::finalize_incremental_relocs): New function.
4741         (Sized_relobj::do_layout): Record input sections in incremental info.
4742         * object.h (Object::output_section): New function.
4743         (Object::output_section_offset): Moved from Relobj.
4744         (Object::get_incremental_reloc_base): New function.
4745         (Object::get_incremental_reloc_count): New function.
4746         (Object::do_output_section): New function.
4747         (Object::do_output_section_offset): Moved from Relobj.
4748         (Object::do_get_incremental_reloc_base): New function.
4749         (Object::do_get_incremental_reloc_count): New function.
4750         (Object::Object): Initialize new data members.
4751         (Relobj::output_section): Renamed do_output_section and moved to
4752         protected.
4753         (Relobj::output_section_offset): Moved to Object.
4754         (Relobj::do_get_incremental_reloc_base): New function.
4755         (Relobj::do_get_incremental_reloc_count): New function.
4756         (Relobj::allocate_incremental_reloc_counts): New function.
4757         (Relobj::count_incremental_reloc): New function.
4758         (Relobj::finalize_incremental_relocs): New function.
4759         (Relobj::next_incremental_reloc_index): New function.
4760         (Relobj::reloc_counts_): New data member.
4761         (Relobj::reloc_bases_): New data member.
4762         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4763         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4764         (Sized_relobj::incremental_relocs_scan): New function.
4765         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4766         (Sized_relobj::incremental_relocs_write): New function.
4767         (Sized_relobj::incremental_relocs_write_reltype): New function.
4768         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4769         incremental link.
4770         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4771         archives and object files elsewhere.
4772         (Add_symbols::run): Report object files here.
4773         (Finish_group::run): Report end of archive at end of group.
4774         * reloc.cc: Include layout.h, incremental.h.
4775         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4776         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4777         (Sized_relobj::incremental_relocs_scan): New function.
4778         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4779         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4780         (Sized_relobj::incremental_relocs_write): New function.
4781         (Sized_relobj::incremental_relocs_write_reltype): New function.
4782         * script.cc (read_input_script): Rewrite test for incremental link.
4783         Change call to Incremental_inputs::report_script.
4784         * symtab.h (Symbol_table::first_global_index): New function.
4785         (Symbol_table::output_count): New function.
4786
4787 2010-08-12  Doug Kwan  <dougkwan@google.com>
4788
4789         * arm.cc (Target_arm::merge_object_attributes): Check command line
4790         options --no-wchar-size-warning and --no-enum-size-warning.
4791         * options.h (General_options): Add ld-compatible options
4792         --no-enum-size-warning and --no-wchar-size-warning.
4793
4794 2010-08-04  Ian Lance Taylor  <iant@google.com>
4795
4796         * x86_64.cc (Target_x86_64::Scan::local): Use
4797         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4798         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4799         (Target_x86_64::Scan::global): Likewise.
4800         (Target_x86_64::Relocate::relocate): Likewise.
4801         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4802         Likewise.
4803
4804 2010-08-03  Cary Coutant  <ccoutant@google.com>
4805
4806         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4807         to reserve space in merged_strings vector. Keep total input size
4808         for stats.
4809         (Output_merge_string::do_print_merge_stats): Print total input size.
4810         * merge.h (Output_merge_string): Add input_size_ field.
4811         * stringpool.cc (Stringpool_template::string_length): Move
4812         implementations out of Stringpool_template class and place in
4813         stringpool.h.
4814         * stringpool.h (string_length): Move out of Stringpool_template.
4815
4816 2010-08-03  Ian Lance Taylor  <iant@google.com>
4817
4818         PR 11712
4819         * layout.cc (relaxation_loop_body): If address of load segment is
4820         set, adjust address to include headers if possible.
4821
4822 2010-08-03  Ian Lance Taylor  <iant@google.com>
4823
4824         * version.cc (version_string): Bump to 1.10.
4825
4826 2010-08-03  Ian Lance Taylor  <iant@google.com>
4827
4828         PR 11805
4829         * layout.h (enum Output_section_order): Define.
4830         (class Layout): Update declarations.
4831         * layout.cc (Layout::get_output_section): Add order parameter.
4832         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4833         is_first_non_relro parameters.  Change all callers.
4834         (Layout::choose_output_section): Likewise.
4835         (Layout::add_output_section_data): Likewise.
4836         (Layout::make_output_section): Likewise.  Set order.
4837         (Layout::default_section_order): New function.
4838         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4839         * output.cc (Output_section::Output_section): Initialize order_.
4840         Don't initialize deleted fields.
4841         (Output_segment::Output_segment): Don't initialize deleted
4842         fields.
4843         (Output_segment::add_output_section_to_load): New function
4844         replacing add_output_section.  Change all callers to call this or
4845         add_output_section_to_nonload.
4846         (Output_segment::add_output_section_to_nonload): New function.
4847         (Output_segment::remove_output_section): Rewrite.
4848         (Output_segment::add_initial_output_data): Likewise.
4849         (Output_segment::has_any_data_sections): Likewise.
4850         (Output_segment::is_first_section_relro): Likewise.
4851         (Output_segment::maximum_alignment): Likewise.
4852         (Output_segment::has_dynamic_reloc): New function replacing
4853         dynamic_reloc_count.  Change all callers.
4854         (Output_segment::has_dynamic_reloc_list): New function replacing
4855         dynamic_reloc_count_list.  Change all callers.
4856         (Output_segment::set_section_addresses): Rewrite.
4857         (Output_segment::set_offset): Rewrite.
4858         (Output_segment::find_first_and_last_list): Remove.
4859         (Output_segment::set_tls_offsets): Rewrite.
4860         (Output_segment::first_section_load_address): Likewise.
4861         (Output_segment::output_section_count): Likewise.
4862         (Output_segment::section_with_lowest_load_address): Likewise.
4863         (Output_segment::write_section_headers): Likewise.
4864         (Output_segment::print_sections_to_map): Likewise.
4865         * output.h (class Output_data): Remove dynamic_reloc_count_
4866         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4867         (Output_data::add_dynamic_reloc): Rewrite.
4868         (Output_data::has_dynamic_reloc): New function.
4869         (Output_data::dynamic_reloc_count): Remove.
4870         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4871         is_last_relro_, is_first_non_relro_, is_interp_,
4872         is_dynamic_linker_section_ fields.  Add order and set_order
4873         functions.  Remove is_relro_local, set_is_relro_local,
4874         is_last_relro, set_is_last_relro, is_first_non_relro,
4875         set_is_first_non_relro functions, is_interp, set_is_interp,
4876         is_dynamic_linker_section, and set_is_dynamic_linker_section
4877         functions.
4878         (class Output_segment): Change Output_data_list from std::list to
4879         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4880         output_bss_ fields.  Update declarations.
4881
4882 2010-08-02  Ian Lance Taylor  <iant@google.com>
4883
4884         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4885         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4886         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4887
4888 2010-08-02  Ian Lance Taylor  <iant@google.com>
4889
4890         PR 11855
4891         * script.cc (Script_options::Script_options): Initialize
4892         symbol_definitions_ and symbol_references_.
4893         (Script_options::add_symbol_assignment): Update
4894         symbol_definitions_ and symbol_references_.
4895         (Script_options::add_symbol_reference): New function.
4896         (script_symbol): New function.
4897         * script.h (class Script_options): Add symbol_definitions_ and
4898         symbol_references_ fields.
4899         (Script_options::referenced_const_iterator): New type.
4900         (Script_options::referenced_begin): New function.
4901         (Script_options::referenced_end): New function.
4902         (Script_options::is_referenced): New function.
4903         (Script_options::any_unreferenced): New function.
4904         * script-c.h (script_symbol): Declare.
4905         * yyscript.y (exp): Call script_symbol.
4906         * symtab.cc: Include "script.h".
4907         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4908         Change all callers.  Check symbols referenced by scripts.
4909         (Symbol_table::add_undefined_symbols_from_command_line): Add
4910         layout parameter.  Change all callers.
4911         (Symbol_table::do_add_undefined_symbols_from_command_line):
4912         Likewise.  Break out loop body.  Check symbols referenced by
4913         scripts.
4914         (Symbol_table::add_undefined_symbol_from_command_line): New
4915         function broken out of
4916         do_add_undefined_symbols_from_command_line.
4917         * symtab.h (class Symbol_table): Update declarations.
4918         * archive.cc: Include "layout.h".
4919         (Archive::should_include_member): Add layout parameter.  Change
4920         all callers.  Check for symbol mentioned in expression.
4921         * archive.h (class Archive): Update declaration.
4922         * object.cc (Sized_relobj::do_should_include_member): Add layout
4923         parameter.
4924         * object.h (Object::should_include_member): Add layout parameter.
4925         Change all callers.
4926         (Object::do_should_include_member): Add layout parameter.
4927         (class Sized_relobj): Update declaration.
4928         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4929         parameter.
4930         * dynobj.h (class Sized_dynobj): Update declaration.
4931         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4932         layout parameter.
4933         * plugin.h (class Sized_pluginobj): Update declaration.
4934
4935 2010-08-02  Ian Lance Taylor  <iant@google.com>
4936
4937         PR 11866
4938         * output.cc (Output_segment::set_offset): Search for the first and
4939         last sections rather than assuming that the list is in order.
4940         (Output_segment::find_first_and_last_list): New function.
4941         * output.h (class Output_segment): Update declarations.
4942         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4943         (relro_strip_test_SOURCES): New variable.
4944         (relro_strip_test_DEPENDENCIES): New variable.
4945         (relro_strip_test_LDFLAGS): New variable.
4946         (relro_strip_test_LDADD): New variable.
4947         (relro_strip_test.so): New target.
4948
4949 2010-08-02  Ian Lance Taylor  <iant@google.com>
4950
4951         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4952         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4953         (Target_i386::got_tlsdesc_section): New function.
4954         (Target_i386::got_section): Create space for GOT entries for
4955         TLSDESC relocations.
4956         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4957         R_386_TLS_GOTDESC.
4958         (Target_i386::Scan::global): Likewise.
4959         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4960         using TLSDESC GOT.
4961         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4962         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4963         (Target_x86_64::got_tlsdesc_section): New function.
4964         (Target_x86_64::got_section): Create space for GOT entries for
4965         TLSDESC relocations.
4966         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4967         R_386_TLS_GOTDESC.
4968         (Target_x86_64::Scan::global): Likewise.
4969         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4970         using TLSDESC GOT.
4971
4972 2010-08-02  Ian Lance Taylor  <iant@google.com>
4973
4974         * testsuite/final_layout.sh: Use dc to convert from hex to
4975         decimal.
4976
4977 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4978
4979         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4980         paramter to the call to gold::gc_process_relocs.
4981         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4982         paramter to the call to gold::gc_process_relocs.
4983         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4984         parameter to the call to gold::gc_process_relocs.
4985         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4986         template parameter to the call to gold::gc_process_relocs.
4987         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4988         paramter to the call to gold::gc_process_relocs.
4989         * gc.h (get_embedded_addend_size): New function.
4990         (gc_process_relocs): Save the size of the reloc for use by ICF.
4991         * icf.cc (get_section_contents): Get the addend from the text section
4992         for SHT_REL relocation sections.
4993         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4994         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4995         * int_encoding.h (read_from_pointer): New overloaded function.
4996         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4997         * testsuite/icf_sht_rel_addend_test.sh: New file.
4998         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4999         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
5000
5001 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5002
5003         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
5004         * Makefile.in: Regenerate.
5005         * testsuite/Makefile.in: Regenerate.
5006
5007 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
5008
5009         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
5010         * gold/testsuite/debug_msg.cc: Likewise.
5011         * gold/testsuite/odr_violation1.cc
5012         * gold/testsuite/odr_violation2.cc
5013
5014 2010-07-21  Cary Coutant  <ccoutant@google.com>
5015
5016         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
5017         string, and length fields.
5018         (Output_merge_string::Merged_strings_list): New type.
5019         (Output_merge_string::Merged_strings_lists): New typedef.
5020         (Output_merge_string): Replace merged_strings_ with
5021         merged_strings_lists_.
5022         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
5023         Merged_strings_list per input object and section.  Don't store pointer
5024         to the string.  Don't store length with each merged string entry.
5025         (Output_merge_string::finalize_merged_data): Loop over list of merged
5026         strings lists.  Recompute length of each merged string.
5027
5028 2010-07-15  Cary Coutant  <ccoutant@google.com>
5029
5030         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
5031         here.
5032
5033 2010-07-14  Ian Lance Taylor  <iant@google.com>
5034
5035         * descriptors.cc (Descriptors::open): Report correct name in error
5036         message.
5037
5038 2010-07-13  Doug Kwan  <dougkwan@google.com>
5039
5040         * arm.cc (Arm_input_section::Arm_input_section): For a
5041         SHT_ARM_EXIDX section, always keeps the input sections.
5042         (Arm_input_section::set_exidx_section_link): New method.
5043         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
5044         has_errors_ to false.
5045         (Arm_exidx_input_section::has_errors,
5046         Arm_exidx_input_section::set_has_errors): New methods.
5047         (Arm_exidx_input_section::has_errors_): New data member.
5048         (Arm_relobj::get_exidx_shndx_list): New method.
5049         (Arm_output_section::append_text_sections_to_list): Do not skip
5050         section without SHF_EXECINSTR.
5051         (Arm_output_section::fix_exidx_coverage): Skip input sections with
5052         errors.
5053         (Arm_relobj::make_exidx_input_section): Add new parameter for text
5054         section header.  Make error messages more verbose.  Check for
5055         a non-executable section linked to an EXIDX section.
5056         (Arm_relobj::do_read_symbols): Remove error checking, which has been
5057         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
5058         check that there is no deferred EXIDX section if we exit early.
5059         Instead of not making an EXIDX section in case of an error, make one
5060         and set the has_errors flag of it.
5061         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
5062         in a relocatable link.
5063         (Target_arm::do_relax): Look for the EXIDX output section instead of
5064         assuming that it is called .ARM.exidx.
5065         (Target_arm::fix_exidx_coverage): Add a new parameter for input
5066         section list.  Do not check for SHF_EXECINSTR section flags but
5067         skip any input section with errors.
5068         * output.cc (Output_section::Output_section): Initialize
5069         always_keeps_input_sections_ to false.
5070         (Output_section::add_input_section): Check for
5071         always_keeps_input_sections_.
5072         *  output.h (Output_section::always_keeps_input_sections,
5073         Output_section::set_always_keeps_input_sections): New methods.
5074         (Output_section::always_keeps_input_sections): New data member.
5075
5076 2010-07-13  Rafael Espindola  <espindola@google.com>
5077
5078         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
5079         * fileread.h (Input_file): Add try_extra_search_path and find_file.
5080
5081 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
5082             Ian Lance Taylor  <iant@google.com>
5083
5084         * output.h (Output_section_lookup_maps::add_merge_section):
5085         Correct check of whether value was inserted.
5086         (Output_section_lookup_maps::add_merge_input_section): Likewise.
5087         (Output_section_lookup_maps::add_relaxed_input_section):
5088         Likewise.
5089         * arm.cc (Target_arm::got_section): Remove used local os.
5090         * i386.cc (Target_i386::got_section): Likewise.
5091         * x86_64.cc (Target_x86_64::got_section): Likewise.
5092         * sparc.cc (Target_sparc::got_section): Likewise.
5093         (Target_sparc::relocate): Remove unused local have_got_offset.
5094         * powerpc.cc (Target_powerpc::relocate): Likewise.
5095
5096 2010-07-13  Ian Lance Taylor  <iant@google.com>
5097
5098         * compressed_output.cc (zlib_decompress): Fix signature in
5099         !HAVE_ZLIB_H case.
5100
5101         * archive.cc (Archive::include_member): Unlock an external member
5102         of a thin archive.  Don't bother to delete an object we know is
5103         NULL.
5104
5105 2010-07-12  Cary Coutant  <ccoutant@google.com>
5106
5107         * compressed_output.cc (zlib_decompress): New function.
5108         (get_uncompressed_size): New function.
5109         (decompress_input_section): New function.
5110         * compressed_output.h (get_uncompressed_size): New function.
5111         (decompress_input_section): New function.
5112         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
5113         Handle compressed debug sections.
5114         * layout.cc (is_compressed_debug_section): New function.
5115         (Layout::output_section_name): Map compressed section names to
5116         canonical names.
5117         * layout.h (is_compressed_debug_section): New function.
5118         (is_debug_info_section): Recognize compressed debug sections.
5119         * merge.cc: Include compressed_output.h.
5120         (Output_merge_data::do_add_input_section): Handle compressed
5121         debug sections.
5122         (Output_merge_string::do_add_input_section): Handle compressed
5123         debug sections.
5124         * object.cc: Include compressed_output.h.
5125         (Sized_relobj::Sized_relobj): Initialize new data members.
5126         (build_compressed_section_map): New function.
5127         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5128         * object.h (Object::section_is_compressed): New method.
5129         (Object::do_section_is_compressed): New method.
5130         (Sized_relobj::Compressed_section_map): New type.
5131         (Sized_relobj::do_section_is_compressed): New method.
5132         (Sized_relobj::compressed_sections_): New data member.
5133         * output.cc (Output_section::add_input_section): Handle compressed
5134         debug sections.
5135         * reloc.cc: Include compressed_output.h.
5136         (Sized_relobj::write_sections): Handle compressed debug sections.
5137
5138 2010-07-08  Cary Coutant  <ccoutant@google.com>
5139
5140         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5141         weak when resolving to a dynamic def.
5142         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5143         for weak undef/dynamic def cases. Adjust callers.
5144         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5145         undef_binding_weak_.
5146         (Symbol_table::sized_write_globals): Adjust symbol binding.
5147         (Symbol_table::sized_write_symbol): Add binding parameter.
5148         * symtab.h (Symbol::set_undef_binding): New method.
5149         (Symbol::is_undef_binding_weak): New method.
5150         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5151         (Symbol_table::should_override): Add new parameter.
5152         (Symbol_table::sized_write_symbol): Add new parameter.
5153
5154         * testsuite/weak_undef_file1.cc: Add new test case.
5155         * testsuite/weak_undef_file2.cc: Fix header comment.
5156         * testsuite/weak_undef_test.cc: Add new test case.
5157
5158 2010-06-29  Doug Kwan  <dougkwan@google.com>
5159
5160         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5161         Initialize USE_SYMBOL_.
5162         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5163         definition.
5164         (Arm_reloc_property::uses_symbol_): New data member declaration.
5165         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5166         uses symbol value and symbol is undefined but not weakly undefined.
5167
5168 2010-06-28  Rafael Espindola  <espindola@google.com>
5169
5170         * plugin.cc (Plugin::load): Use dlerror.
5171
5172 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5173
5174         * symtab.cc (detect_odr_violations): When reporting an ODR
5175         violation, report an object where the symbol is defined.
5176
5177 2010-06-25  Doug Kwan  <dougkwan@google.com>
5178
5179         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5180         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5181         definition.
5182         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5183         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5184         target hook to detect function points.
5185         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5186         * icf.h (Icf::check_section_for_function_pointers): Change type of
5187         parameter SECTION_NAME to const reference to std::string.  Use
5188         target hook to determine if section may have unsafe pointers.
5189         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5190         method definition.
5191
5192 2010-06-21  Rafael Espindola  <espindola@google.com>
5193
5194         * fileread.cc (Input_file::find_fie): New
5195         (Input_file::open): Use Input_file::find_fie.
5196         * fileread.h (Input_file::find_fie): New
5197         * plugin.cc (set_extra_library_path): New.
5198         (Plugin::load): Add set_extra_library_path to the transfer vector.
5199         (Plugin_manager::set_extra_library_path): New.
5200         (Plugin_manager::add_input_file): Use the extra search path if set.
5201         (set_extra_library_path(): New.
5202         * plugin.h (Plugin_manager): Add set_extra_library_path and
5203         extra_search_path_.
5204
5205 2010-06-19  Cary Coutant  <ccoutant@google.com>
5206
5207         * layout.cc (gdb_sections): Add .debug_types.
5208         (lines_only_debug_sections): Likewise.
5209
5210 2010-06-18  Rafael Espindola  <espindola@google.com>
5211
5212         * plugin.cc (add_input_file,add_input_library)
5213         (Plugin_manager::add_input_file): Make filename arguments const.
5214         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5215         const.
5216
5217 2010-06-16  Doug Kwan  <dougkwan@google.com>
5218
5219         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5220         .ARM.attributes section if we have not merged any input
5221         attributes sections.
5222
5223 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5224
5225         * arm.cc: Allow combining objects with no EABI version
5226         information.
5227
5228 2010-06-15  Rafael Espindola  <espindola@google.com>
5229
5230         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
5231
5232 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5233
5234         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
5235         (struct iovec): Correct !HAVE_READV definition.
5236
5237 2010-06-10  Cary Coutant  <ccoutant@google.com>
5238
5239         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
5240         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
5241         reloc sections.
5242         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
5243
5244         PR 11683
5245         * symtab.h (Symbol::is_placeholder): New member function.
5246         * target-reloc.h (relocate_section): Check for placeholder symbols.
5247
5248         * testsuite/Makefile.am (plugin_test_8): New test.
5249         (plugin_test_9): New test.
5250         * testsuite/Makefile.in: Regenerate.
5251
5252 2010-06-09  Nick Clifton  <nickc@redhat.com>
5253
5254         * yyscript.y (input_list_element): Allow strings prefixed with
5255         the '-' character.  Treat these as libraries.
5256         * script.cc (script_add_library): New function.  Adds a library
5257         specified by "-l<name>" found in an input script.
5258         * script-c.h: Add prototype for script_add_library.
5259
5260 2010-06-07  Doug Kwan  <dougkwan@google.com>
5261
5262         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
5263         Restrict stub-group size to be within long conditional branch
5264         range when working around cortex-A8 erratum.
5265
5266 2010-06-07  Damien Diederen  <dd@crosstwine.com>
5267
5268         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
5269         #ifdef typo.
5270
5271 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
5272
5273         PR gold/11658
5274         * output.cc
5275         (Output_section::Input_section_sort_entry::compare_section_ordering):
5276         Change to return non-zero correctly.
5277         (Output_section::Input_section_sort_section_order_index_compare
5278         ::operator()): Change to fix ambiguity in comparisons.
5279
5280 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
5281
5282         * gold.h (is_wildcard_string): New function.
5283         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
5284         (Layout::layout_eh_frame): Ditto.
5285         (Layout::find_section_order_index): New method.
5286         (Layout::read_layout_from_file): New method.
5287         * layout.h (Layout::find_section_order_index): New method.
5288         (Layout::read_layout_from_file): New method.
5289         (Layout::input_section_position_): New private member.
5290         (Layout::input_section_glob_): New private member.
5291         * main.cc (main): Call read_layout_from_file here.
5292         * options.h (--section-ordering-file): New option.
5293         * output.cc (Output_section::input_section_order_specified_): New
5294         member.
5295         (Output_section::Output_section): Initialize new member.
5296         (Output_section::add_input_section): Add new parameter.
5297         Keep input sections when --section-ordering-file is used.
5298         (Output_section::set_final_data_size): Sort input sections when
5299         section ordering file is specified.
5300         (Output_section::Input_section_sort_entry): Add new parameter.
5301         Check sorting type.
5302         (Output_section::Input_section_sort_entry::compare_section_ordering):
5303         New method.
5304         (Output_section::Input_section_sort_compare::operator()): Change to
5305         consider section_order_index.
5306         (Output_section::Input_section_sort_init_fini_compare::operator()):
5307         Change to consider section_order_index.
5308         (Output_section::Input_section_sort_section_order_index_compare
5309         ::operator()): New method.
5310         (Output_section::sort_attached_input_sections): Change to sort
5311         according to section order when specified.
5312         (Output_section::add_input_section<32, true>): Add new parameter.
5313         (Output_section::add_input_section<64, true>): Add new parameter.
5314         (Output_section::add_input_section<32, false>): Add new parameter.
5315         (Output_section::add_input_section<64, false>): Add new parameter.
5316         * output.h (Output_section::add_input_section): Add new parameter.
5317         (Output_section::input_section_order_specified): New
5318         method.
5319         (Output_section::set_input_section_order_specified): New method.
5320         (Input_section::Input_section): Initialize section_order_index_.
5321         (Input_section::section_order_index): New method.
5322         (Input_section::set_section_order_index): New method.
5323         (Input_section::section_order_index_): New member.
5324         (Input_section::Input_section_sort_section_order_index_compare): New
5325         struct.
5326         (Output_section::input_section_order_specified_): New member.
5327         * script-sections.cc (is_wildcard_string): Delete and move modified
5328         method to gold.h.
5329         (Output_section_element_input::Output_section_element_input): Modify
5330         call to is_wildcard_string.
5331         (Output_section_element_input::Input_section_pattern
5332         ::Input_section_pattern): Ditto.
5333         (Output_section_element_input::Output_section_element_input): Ditto.
5334         * testsuite/Makefile.am (final_layout): New test case.
5335         * testsuite/Makefile.in: Regenerate.
5336         * testsuite/final_layout.cc: New file.
5337         * testsuite/final_layout.sh: New file.
5338
5339 2010-06-01  Rafael Espindola  <espindola@google.com>
5340
5341         * plugin.cc (Plugin::load): Pass the output name to the plugin.
5342
5343 2010-06-01  Rafael Espindola  <espindola@google.com>
5344
5345         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
5346         visibility of symbols.
5347
5348 2010-05-27  Doug Kwan  <dougkwan@google.com>
5349
5350         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
5351         from start of output section instead of address for a local symbol
5352         in a merged or relaxed section when doing a relocatable link.
5353
5354 2010-05-26  Rafael Espindola  <espindola@google.com>
5355
5356        PR 11604
5357         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
5358         adding sections the garbage collector removed.
5359         * gold/testsuite/Makefile.am: Add test.
5360         * gold/testsuite/Makefile.in: Regenerate.
5361         * gold/testsuite/plugin_test_7.sh: New.
5362         * gold/testsuite/plugin_test_7_1.c: New.
5363         * gold/testsuite/plugin_test_7_2.c: New.
5364
5365 2010-05-26  Rafael Espindola  <espindola@google.com>
5366
5367         * script-sections.cc (Output_section_definition::set_section_addresses):
5368         Check for --section-start.
5369
5370 2010-05-26  Doug Kwan  <dougkwan@google.com>
5371
5372         * arm.cc (Arm_scan_relocatable_relocs): New class.
5373         (Target_arm::relocate_special_relocatable): New method.
5374         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
5375         (Arm_relocate_functions::thumb_branch_common): Same.
5376         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
5377         instead of Default_scan_relocatable_relocs.
5378         * target-reloc.h (relocate_for_relocatable): Let target handle
5379         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
5380         * target.h (Sized_target::relocate_special_relocatable): New method.
5381
5382 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5383
5384         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
5385
5386 2010-05-23  Doug Kwan  <dougkwan@google.com>
5387
5388         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
5389         instead of a cast.
5390         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
5391         with a direct branch, not a conditional branch, to a stub.
5392         * merge.cc (Output_merge_base::record_input_section): New method
5393         defintion.
5394         (Output_merge_data::do_add_input_section): Record input section if
5395         keeps-input-sections flag is set.
5396         (Output_merge_string::do_add_input_section): Ditto.
5397         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
5398         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
5399         INPUT_SECTIONS_.
5400         (Output_merge_base::keeps_input_sections,
5401         Output_merge_base::set_keeps_input_sections,
5402         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
5403         method definitions.
5404         (Output_merge_base::Input_sections): New type declaration.
5405         (Output_merge_base::input_sections_begin,
5406         Output_merge_base::input_sections_end,
5407         Output_merge_base::do_set_keeps_input_sections): New method definitions.
5408         (Output_merge_base::bool keeps_input_sections_,
5409         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
5410         Output_merge_base::input_sections_): New data members.
5411         (Output_merge_data::do_set_keeps_input_sections): New method
5412         defintion.
5413         (Output_merge_string::do_set_keeps_input_sections): Ditto.
5414         * output.cc (Output_section::Input_section::relobj): Move method
5415         defintion from class declaration to here and handle merge sections.
5416         (Output_section::Input_section::shndx): Ditto.
5417         (Output_section::Output_section): Remove initializations of removed
5418         data members and initialize new data member LOOKUP_MAPS_.
5419         (Output_section::add_input_section): Set keeps-input-sections flag
5420         for a newly created merge output section as appropriate.  Adjust code
5421         to use Output_section_lookup_maps class.
5422         (Output_section::add_relaxed_input_section): Adjst code for lookup
5423         maps code refactoring.
5424         (Output_section::add_merge_input_section): Add a new parameter
5425         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
5426         class.  If adding input section to a newly created merge output
5427         section fails, remove the new merge section.
5428         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
5429         Adjust code for use of the Output_section_lookup_maps class.
5430         (Output_section::find_merge_section): Ditto.
5431         (Output_section::build_lookup_maps): New method defintion.
5432         (Output_section::find_relaxed_input_section): Adjust code to use
5433         Output_section_lookup_maps class.
5434         (Output_section::get_input_sections): Export merge sections.  Adjust
5435         code to use Output_section_lookup_maps class.
5436         (Output_section:::add_script_input_section): Adjust code to use
5437         Output_section_lookup_maps class.  Update lookup maps for merge
5438         sections also.
5439         (Output_section::discard_states): Use Output_section_lookup_maps.
5440         (Output_section::restore_states): Same.
5441         * output.h (Merge_section_properties): Move class defintion out of
5442         Output_section.
5443         (Output_section_lookup_maps): New class.
5444         (Output_section::Input_section::is_merge_section): New method
5445         defintion.
5446         (Output_section::Input_section::relobj): Move defintion out of class
5447         defintion.  Declare method only.
5448         (Output_section::Input_section::shndx): Ditto.
5449         (Output_section::Input_section::output_merge_base): New method defintion.
5450         (Output_section::Input_section::u2_.pomb): New union field.
5451         (Output_section::Merge_section_by_properties_map,
5452         Output_section::Output_section_data_by_input_section_map,
5453         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
5454         Remove types.
5455         (Output_section::add_merge_input_section): Add new parameter
5456         KEEPS_INPUT_SECTIONS.
5457         (Output_section::build_lookup_maps): New method declaration.
5458         (Output_section::merge_section_map_,
5459         Output_section::merge_section_by_properties_map_,
5460         Output_section::relaxed_input_section_map_,
5461         Output_section::is_relaxed_input_section_map_valid_): Remove data
5462         members.
5463         (Output_section::lookup_maps_): New data member.
5464
5465 2010-05-21  Doug Kwan  <dougkwan@google.com>
5466
5467         PR gold/11619
5468         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
5469         avoid a compilation error.
5470
5471 2010-05-19  Rafael Espindola  <espindola@google.com>
5472
5473         * script-sections.cc (Output_section_definition::allocate_to_segment):
5474         Update the phdrs_list even when the output section is NULL.
5475         * testsuite/Makefile.am: Add test.
5476         * testsuite/Makefile.in: Regenerate.
5477         * testsuite/script_test_9.cc: New.
5478         * testsuite/script_test_9.sh: New.
5479         * testsuite/script_test_9.t: New.
5480
5481 2010-05-19  Doug Kwan  <dougkwan@google.com>
5482
5483         * arm.cc (Arm_input_section::original_size): New method.
5484         (Arm_input_section::do_addralign): Add a cast.
5485         (Arm_input_section::do_output_offset): Remove static cast.
5486         (Arm_input_section::original_addralign,
5487          Arm_input_section::original_size_): Change type to uint32_t.
5488         (Arm_input_section::init): Add safe casts for section alignment
5489         and size.
5490         (Arm_input_section::set_final_data_size): Do not set address and
5491         offset of stub table.
5492         (Arm_output_section::fix_exidx_coverage): Change use of of
5493         Output_section::Simple_input_section to that of
5494         Output_section::Input_section.
5495         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
5496         except for the first pass.
5497         * output.cc (Output_section::get_input_sections): Change type of
5498         input_sections to std::list<Input_section>.
5499         (Output_section::add_script_input_section): Rename from
5500         Output_section::add_simple_input_section.  Change type of SIS
5501         parameter from Simple_input_section to Input_section.
5502         * output.h (Output_section::Simple_input_section): Remove class.
5503         (Output_section::Input_section): Change class visibility to public.
5504         (Output_section::Input_section::addralign): Use stored alignments
5505         for special input sections if set.
5506         (Output_section::Input_section::set_addralign): New method.
5507         (Output_section::get_input_sections): Change parameter type from
5508         list of Simple_input_section to list of Input_section.
5509         (Output_section::add_script_input_section): Rename from
5510         Output_section::add_simple_input_section. Change first parameter's
5511         type from Simple_input_section to Input_section and remove the
5512         second and third parameters.
5513         * script-sections.cc (Input_section::Input_section_list): Change
5514         type to list of Output_section::Input_section/
5515         (Input_section_info::Input_section_info): Change parameter type of
5516         INPUT_SECTION to Output_section::Input_section.
5517         (Input_section_info::input_section): Change return type.
5518         (Input_section_info::input_section_): Change type to
5519         Output_section::Input_section.
5520         (Output_section_element_input::set_section_addresses): Adjust code
5521         to use Output_section::Input_section instead of
5522         Output_section::Simple_input_section.  Adjust code for renaming
5523         of Output_section::add_simple_input_section.
5524         (Orphan_output_section::set_section_addresses): Ditto.
5525
5526 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5527
5528         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5529         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5530
5531 2010-05-18  Rafael Espindola  <espindola@google.com>
5532
5533         * options.cc (General_options::finalize): Handle -nostdlib.
5534         * options.h (nostdlib): New option.
5535         * script.cc (script_add_search_dir): Handle -nostdlib.
5536
5537 2010-05-12  Doug Kwan  <dougkwan@google.com>
5538
5539         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5540         attributes section only if there no attributes section after merging.
5541         (Target_arm::merge_object_attributes): Move value of
5542         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5543         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5544         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5545         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5546         and arm_attr_merge_7.stdout.
5547         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5548         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5549         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5550         arm_attr_merge_7b.o): New rules.
5551         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5552         arm_attr_merge_7
5553         * testsuite/Makefile.in: Regenerate.
5554         * testsuite/arm_attr_merge.sh: New file.
5555         * testsuite/arm_attr_merge_[67][ab].s: Same.
5556
5557 2010-05-05  Nick Clifton  <nickc@redhat.com>
5558
5559         * po/es.po: Updated Spanish translation.
5560
5561 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5562
5563         * Makefile.am (install-exec-local): Properly install gold as
5564         default cross linker.
5565         * Makefile.in: Regenerated.
5566
5567 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5568             Nick Clifton  <nickc@redhat.com>
5569
5570         * configure.ac (install_as_default): Define and set to false
5571         unless --enable-gold or --enable-gold=both/gold has been
5572         specified.
5573         * configure: Regenerate.
5574
5575         * Makefile.am (install-exec-local): Install the executable as
5576         'ld.gold'.  If install_as_default is true then also install it as
5577         'ld'.
5578         * Makefile.in: Regenerated.
5579
5580 2010-04-24  Ian Lance Taylor  <iant@google.com>
5581
5582         * layout.cc (Layout::layout_reloc): In relocatable link don't
5583         combine reloc sections for grouped sections.
5584
5585 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5586
5587         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5588         sections that are not ordinary to icf.
5589         * icf.cc (get_section_contents): Handle relocation pointing to section
5590         with no object or shndx information.
5591         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5592         * testsuite/Makefile.in: Regenerate.
5593         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5594         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5595
5596 2010-04-22  Ian Lance Taylor  <iant@google.com>
5597
5598         * expression.cc (Expression::Expression_eval_info): Add
5599         result_alignment_pointer field.
5600         (Expression::eval_with_dot): Add result_alignment_pointer
5601         parameter.  Change all callers.
5602         (Expression::eval_maybe_dot): Likewise.
5603         (class Binary_expression): Add alignment_pointer parameter to
5604         left_value and right_value.  Change all callers.
5605         (BINARY_EXPRESSION): Set result alignment.
5606         (class Trinary_expression): Add alignment_pointer parameter to
5607         arg2_value and arg3_value.  Change all callers.
5608         (Trinary_cond::value): Set result alignment.
5609         (Max_expression::value, Min_expression::value): Likewise.
5610         (Align_expression::value): Likewise.
5611         * script-sections.cc (class Sections_element): Add dot_alignment
5612         parameter to set_section_addresses virtual function.  Update
5613         instantiations.
5614         (class Output_section_element): Likewise.
5615         (Script_sections::create_segments): Add dot_alignment parameter.
5616         Change all callers.
5617         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5618         (Script_sections::set_phdrs_clause_addresses): Likewise.
5619         * script-sections.h: Update declarations.
5620         * script.h: Update declarations.
5621         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5622         min_p_align.
5623         * testsuite/script_test_3.t: Set large alignment.
5624         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5625         segment has expected alignment.
5626
5627 2010-04-22  Nick Clifton  <nickc@redhat.com>
5628
5629         * po/gold.pot: Updated by the Translation project.
5630         * po/vi.po: Updated Vietnamese translation.
5631
5632 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5633
5634         * testsuite/Makefile.am (check_PROGRAMS): Add
5635         icf_virtual_function_folding_test.
5636         * testsuite/Makefile.in: Regenerated.
5637
5638 2010-04-15  Andrew Haley  <aph@redhat.com>
5639
5640         * options.h (merge_exidx_entries): New option.
5641         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5642         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5643         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5644         (Target_arm::merge_exidx_entries): New function.
5645         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5646         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5647         to Arm_exidx_fixup constructor.
5648         Add new arg, merge_exidx_entries.
5649         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5650         Arm_output_section::fix_exidx_coverage.
5651
5652 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5653
5654         * icf.cc (get_section_contents): Check for preemptible functions.
5655         Ignore addend when appropriate.
5656         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5657         section folded.
5658         (add_from_relobj): Check for section folded.
5659         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5660         * symtab.h (should_add_dynsym_entry): Add new parameter.
5661         * target-reloc.h (scan_relocs): Check for section folded.
5662         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5663         Check reloc types for function pointers in shared objects.
5664         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5665         case.
5666         (icf_preemptible_functions_test): New test case.
5667         (icf_string_merge_test): New test case.
5668         * testsuite.Makefile.in: Regenerate.
5669         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5670         bar_glob.  Refactor code.
5671         * testsuite/icf_preemptible_functions_test.cc: New file.
5672         * testsuite/icf_preemptible_functions_test.sh: New file.
5673         * testsuite/icf_string_merge_test.cc: New file.
5674         * testsuite/icf_string_merge_test.sh: New file.
5675         * testsuite/icf_virtual_function_folding_test.cc: New file.
5676         * testsuite/icf_virtual_function_folding_test.sh: New file.
5677
5678 2010-04-14  Doug Kwan  <dougkwan@google.com>
5679
5680         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5681         for local symbol recounting if we remove a section due to ICF.
5682         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5683         there are no regular objects in input.
5684
5685 2010-04-13  Doug Kwan  <dougkwan@google.com>
5686
5687         * arm.cc (Arm_input_section::set_final_data_size): Compute
5688         accurate final data size instead of using current data size.
5689
5690 2010-04-09  Doug Kwan  <dougkwan@google.com>
5691
5692         * layout.cc (Layout::choose_output_section): Handle script section
5693         types.
5694         (Layout::make_output_section_for_script): Add section type parameter.
5695         Handle script section types.
5696         * layout.h (Layout::make_output_section_for_script): Add section
5697         type parameter.
5698         * output.cc (Output_section::Output_section): Initialize data member
5699         is_noload_.
5700         (Output_section::do_reset_address_and_file_offset): Do not set address
5701         to 0 if section is a NOLOAD section.
5702         * output.h (Output_section::is_noload): New method.
5703         (Output_section::set_is_noload): Ditto.
5704         (Output_section::is_noload_): New data member.
5705         * script-c.h (Script_section_type): New enum type.
5706         (struct Parser_output_section_header): Add new file section_type.
5707         * script-sections.cc (Sections_element::output_section_name): Add
5708         parameter for returning script section type.
5709         (Output_section_definition::output_section_name): Ditto.
5710         (Output_section_definition::section_type)P; New method.
5711         (Output_section_definiton::script_section_type_name): Ditto.
5712         (Output_section_definition::script_section_type_): New data member.
5713         (Output_section_definition::Output_section_definition): Initialize
5714         data member Output_section_definition::script_section_type_.
5715         (Output_section_definition::create_sections): Pass script section type
5716         to Layout::make_output_section_for_script.
5717         (Output_section_definition::output_section_name): Return script
5718         section type to caller.
5719         (Output_section_definition::set_section_address): Do not advance
5720         dot value and load address if section type is NOLOAD.  Set address
5721         of NOLOAD sections regardless of section flags.
5722         (Output_section_definition::print): Print section type if it is
5723         not SCRIPT_SECTION_TYPE_NONE.
5724         (Output_section_definition::section_type): New method.
5725         (Output_section_definition::script_section_type_name): Ditto.
5726         (Script_sections::output_section_name): Add new parameter
5727         PSECTION_TYPE for returning script section type.  Pass it to
5728         section elements.  Handle discard sections.
5729         (Sort_output_sections::operator()): Handle NOLOAD sections.
5730         * script-sections.h (Script_sections::Section_type): New enum type.
5731         (Script_sections::output_section_name): Add a new parameter for
5732         returning script section type.
5733         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5734         INFO and NOLOAD.
5735         * yyscript.y (union): Add new field SECTION_TYPE.
5736         (COPY, DSECT, INFO, NOLOAD): New tokens.
5737         (opt_address_and_section_type): Change type to output_section_header.
5738         (section_type): New non-terminal
5739         (section_header): Handle section type.
5740         (opt_address_and_section_type): Return section type value.
5741
5742 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5743
5744         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5745         * testsuite/plugin_common_test_2.c (foo): Likewise.
5746
5747 2010-04-08  Doug Kwan  <dougkwan@google.com>
5748
5749         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5750         Output_merge_data.
5751         * output.cc (Output_section::add_merge_input_section): Simplify
5752         code and return status of Output_merge_base::add_input_section.
5753         Update merge section map only if Output_merge_base::add_input_section
5754         returns true.
5755
5756 2010-04-07  Doug Kwan  <dougkwan@google.com>
5757
5758         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5759         if section is marked as containing instructions but has no mapping
5760         symbols.
5761         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5762         correct section index.
5763         (Arm_relobj::find_linked_text_section): Ditto.
5764
5765 2010-04-07  Cary Coutant  <ccoutant@google.com>
5766
5767         * archive.cc (include_member): Destroy Read_symbols_data object before
5768         releasing file.
5769         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5770         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5771         (Read_symbols_data::~Read_symbols_data) New destructor.
5772         (Section_relocs::Section_relocs) New constructor.
5773         (Section_relocs::~Section_relocs) New destructor.
5774         (Read_relocs_data::Read_relocs_data) New constructor.
5775         (Read_relocs_data::~Read_relocs_data) New destructor.
5776         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5777         pointers to NULL after deleting.
5778
5779 2010-04-07  Doug Kwan  <dougkwan@google.com>
5780
5781         * arm.cc: Replace "endianity" with "endianness" in comments.
5782         (Arm_exidx_cantunwind): Ditto.
5783         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5784         (Arm_relobj::merge_flags_and_attributes): New method.
5785         (Arm_relobj::merge_flags_and_attributes_): New data member.
5786         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5787         (Arm_relobj::scan_sections_for_stubs): Ditto.
5788         (Arm_relobj::do_read_symbols): Check to see if we really want to
5789         merge processor-specific flags and attributes.  Exit early if
5790         an object is empty except for section names and the undefined symbol.
5791         (Target_arm::do_finalize_sections): Move check for ELF format to
5792         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5793         attributes from a regular object only when we have determined that
5794         it is aapropriate.  Do not create an .ARM.attributes section in
5795         output if there is no regular input object.
5796         (Target_arm::merge_processor_specific_flags): Check
5797         --warn-mismatch before printing any error.
5798         (Target_arm::merge_object_attributes): Ditto.
5799         * gold.cc (queue_middle_tasks): Handle the case in which there is
5800         no regular object in input.
5801         * options.cc (General_options::parse_EB): New method.
5802         (General_options::parse_EL): Same.
5803         (General_options::General_options): Initialize endianness_.
5804         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5805         New options.
5806         (General_options::Endianness): New enum.
5807         (General_options::endianness): New method.
5808         (General_options::endianness_): New data member.
5809         * parameters.cc (Parameters::set_options): Check target endianness.
5810         (Parameters::set_target_once): Ditto.
5811         (Parameters::check_target_endianness): New method.
5812         (parameters_force_valid_target): If either -EL or -EB is specified,
5813         use it to define endianness of default target.
5814         * parameters.h (Parameters::check_target_endianness): New method
5815         declaration.
5816         * target.h (class Target): Change "endianity" to "endianness"
5817         in comments.
5818
5819 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5820
5821         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5822         * configure: Regenerate.
5823         * Makefile.in: Regenerate.
5824         * testsuite/Makefile.in: Regenerate.
5825
5826 2010-04-06  Cary Coutant  <ccoutant@google.com>
5827
5828         gcc PR lto/42757
5829         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5830         prevailing definitions of common symbols.
5831         * testsuite/plugin_test_6.sh: New test case.
5832         * testsuite/plugin_common_test_1.c: New test case.
5833         * testsuite/plugin_common_test_2.c: New test case.
5834         * testsuite/Makefile.am (plugin_test_6): New test case.
5835         * testsuite/Makefile.in: Regenerate.
5836
5837 2010-04-06  Nick Clifton  <nickc@redhat.com>
5838
5839         * po/vi.po: New Vietnamese translation.
5840
5841 2010-03-30  Doug Kwan  <dougkwan@google.com>
5842
5843         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5844
5845 2010-03-25  Doug Kwan  <dougkwan@google.com>
5846
5847         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5848         to avoid a conversion warning on a 32-bit host.
5849
5850 2010-03-24  Ian Lance Taylor  <iant@google.com>
5851
5852         * testsuite/script_test_3.t: Add a TLS segment.
5853         * testsuite/Makefile.am (check_PROGRAMS): Add
5854         tls_phdrs_script_test.
5855         (tls_phdrs_script_test_SOURCES): Define.
5856         (tls_phdrs_script_test_DEPENDENCIES): Define.
5857         (tls_phdrs_script_test_LDFLAGS): Define.
5858         (tls_phdrs_script_test_LDADD): Define.
5859         * testsuite/Makefile.in: Rebuild.
5860
5861 2010-03-23  Cary Coutant  <ccoutant@google.com>
5862
5863         * fileread.cc (find_or_make_view): Fix comment.
5864
5865 2010-03-23  Ian Lance Taylor  <iant@google.com>
5866
5867         * script-sections.cc (class Orphan_section_placement): Define
5868         PLACE_TLS and PLACE_TLS_BSS.
5869         (Orphan_section_placement::Orphan_section_placement): Initialize
5870         new places.
5871         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5872         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5873         (tls_script_test_SOURCES): Define.
5874         (tls_script_test_DEPENDENCIES): Define.
5875         (tls_script_test_LDFLAGS): Define.
5876         (tls_script_test_LDADD): Define.
5877         * testsuite/Makefile.in: Rebuild.
5878
5879 2010-03-22  Doug Kwan  <dougkwan@google.com>
5880
5881         * arm.cc (Arm_relocate_functions::abs8,
5882         Arm_relocate_functions::abs16): Use correct check for overflow
5883         specified in the ARM ELF specs.
5884         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5885         target of a BLX instruction specially.
5886         (Reloc_stub::stub_type_for_reloc): Ditto.
5887         (Relocate::relocate): Use symbolic names instead of numeric relocation
5888         codes to report error.
5889         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5890         workaround.
5891         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5892         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5893         thumb2_blx_out_of_range.stdout
5894         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5895         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5896         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5897         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5898         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5899         thumb2_blx_in_range, thumb2_blx_in_range.o,
5900         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5901         thumb2_blx_out_of_range.o): New rules.
5902         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5903         thumb2_blx_in_range and thumb2_blx_out_of_range.
5904         * testsuite/Makefile.in: Regenerate.
5905         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5906         * testsuite/thumb_blx_in_range.s: New file.
5907         * testsuite/thumb_blx_out_of_range.s: New file.
5908
5909 2010-03-22  Rafael Espindola  <espindola@google.com>
5910
5911         * archive.cc (Should_include): Move to archive.h.
5912         (should_include_member): Make it a member of Archive.
5913         (Lib_group): New.
5914         (Add_lib_group_symbols): New.
5915         * archive.h: Include options.h.
5916         (Archive_member): Moved from Archive.
5917         (Should_include): Moved from archive.cc.
5918         (Lib_group): New.
5919         (Add_lib_group_symbols): New.
5920         * dynobj.cc (do_should_include_member): New.
5921         * dynobj.h (do_should_include_member): New.
5922         * gold.cc (queue_initial_tasks): Update call to queue.
5923         * main.cc (main): Print lib group stats.
5924         * object.cc (do_should_include_member): New.
5925         * object.h: Include archive.h.
5926         (Object::should_include_member): New.
5927         (Object::do_should_include_member): New.
5928         (Sized_relobj::do_should_include_member): New.
5929         * options.cc (General_options::parse_start_lib): New.
5930         (General_options::parse_end_lib): New.
5931         (Input_arguments::add_file): Handle lib groups.
5932         (Input_arguments::start_group): Check we are not in a lib.
5933         (Input_arguments::start_lib): New.
5934         (Input_arguments::end_lib): New.
5935         * options.h (General_options): Add start_lib and end_lib.
5936         (Input_argument::lib_): New.
5937         (Input_argument::lib): New.
5938         (Input_argument::is_lib): New.
5939         (Input_file_lib): New.
5940         (Input_arguments::in_lib_): New.
5941         (Input_arguments::in_lib): New.
5942         (Input_arguments::start_lib): New.
5943         (Input_arguments::end_lib_): New.
5944         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5945         in unused members as preempted.
5946         (Sized_pluginobj::do_should_include_member): New.
5947         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5948         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5949         return the blocker.
5950         (Read_symbols::do_whole_lib_group): New.
5951         (Read_symbols::do_lib_group): New.
5952         (Read_symbols::do_read_symbols): Handle lib groups.
5953         (Read_symbols::get_name): Handle lib groups.
5954         * readsyms.h (Read_symbols): Add an archive member pointer.
5955         (Read_symbols::do_whole_lib_group): New.
5956         (Read_symbols::do_lib_group): New.
5957         (Read_symbols::member_): New.
5958         * script.cc (read_input_script): Update call to queue_soon.
5959
5960 2010-03-19  Doug Kwan  <dougkwan@google.com>
5961
5962         * arm.cc (Stub_table::Stub_table): Initialize new data members
5963         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5964         (Stub_table::add_reloc_stub): Assign stub offset and update
5965         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5966         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5967         New data members.
5968         (Stub_table::update_data_size_and_addralign): Use
5969         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5970         instead of going over all reloc stubs.
5971         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5972         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5973         Stringpool_template::offset_ to size of Stringpool_char.
5974         (Stringpool_template::new_key_offset): Remove code to initialize
5975         Stringpool_template::offset_.
5976         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5977         Stringpool_template::offset_ to zero.
5978
5979 2010-03-15  Doug Kwan  <dougkwan@google.com>
5980
5981         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5982         offset_.
5983         (Stringpool_template::new_key_offset): New method.
5984         (Stringpool_template::add_string): Assign offsets when adding new
5985         strings.
5986         (Stringpool_template::set_string_offsets): Do not set string offsets
5987         when not optimizing.
5988         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5989         member size_.
5990         (Chunked_vector::clear): Clear size_.
5991         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5992         (Chunked_vector::size): Return size_.
5993         (Chunked_vector::push_back): Use size_ to find insert position.
5994         (Chunked_vector::size_): New data member.
5995         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5996         (Stringpool_template::new_key_offset): New method declaration.
5997         (Stringpool_template::offset_): New data member.
5998
5999 2010-03-15   Rafael Espindola  <espindola@google.com>
6000
6001         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
6002         Add_symbols' constructor.
6003         * readsyms.h (Add_symbols): Remove the input_group member.
6004
6005 2010-03-10  Ian Lance Taylor  <iant@google.com>
6006
6007         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
6008         target to ask whether a reference to a symbol requires a stack
6009         split.
6010         * target.h (Target::is_call_to_non_split): New function.
6011         (Target::do_is_call_to_non_split): Declare virtual function.
6012         * target.cc: Include "symtab.h".
6013         (Target::do_is_call_to_non_split): New function.
6014         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
6015
6016 2010-03-10  Cary Coutant  <ccoutant@google.com>
6017
6018         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
6019         (File_read::open[1]): Remove initial mapping of whole_file_view_.
6020         (File_read::open[2]): Add whole_file_view_ to list of views.
6021         (File_read::make_view): Remove test of whole_file_view_.
6022         (File_read::find_or_make_view): Create whole_file_view_ if
6023         necessary.
6024         (File_read::clear_views): Replace bool parameter with enum;
6025         adjust all callers.  Don't delete views with permanent data;
6026         do delete cached views and views from archives if
6027         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
6028         if clearing the corresponding view.
6029         * fileread.h (File_read::Clear_views_mode): New enum.
6030         (File_read::View::is_permanent_view): New method.
6031         (File_read::clear_views): Replace bool parameter
6032         with enum; adjust all callers.
6033         * options.h (General_options): Change keep_files_mapped option;
6034         add map_whole_files.
6035         * readsyms.cc (Add_symbols::run): Delete sd_ object before
6036         releasing the file.
6037         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
6038         the file.
6039
6040 2010-03-10  David S. Miller  <davem@davemloft.net>
6041
6042         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
6043
6044 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6045
6046         * icf.cc (get_section_contents): Add '@' marker after processing the
6047         merge reloc.
6048
6049 2010-03-08  Doug Kwan  <dougkwan@google.com>
6050
6051         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
6052         due to a conversion warning.
6053         (Arm_relobj::update_output_local_symbol_count): Check for local
6054         symbol with unset output index.
6055
6056 2010-03-05  Ian Lance Taylor  <iant@google.com>
6057
6058         * options.h (class General_options): Add --spare-dynamic-tags.
6059         * output.cc (Output_data_dynamic::set_final_data_size): Implement
6060         --spare-dynamic-tags.
6061
6062 2010-03-05  Ian Lance Taylor  <iant@google.com>
6063
6064         * incremental.cc: Include "libiberty.h".
6065
6066 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6067
6068         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
6069         function, is_info_ member.
6070         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
6071         (Versions::Versions): Update caller.
6072         (Versions::define_base_version): Likewise.
6073         (Versions::add_def): Likewise.
6074
6075 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
6076
6077         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
6078         (Scan::possible_function_pointer_reloc): New function.
6079         (Scan::local_reloc_may_be_function_pointer): Change to call
6080         possible_function_pointer_reloc.
6081         (Scan::global_reloc_may_be_function_pointer): Ditto.
6082         * icf.h (Icf::check_section_for_function_pointers): Change to reject
6083         relocations in ".data.rel.ro._ZTV" section.
6084         * testsuite/icf_safe_so_test.sh: Change to pass i386.
6085         * testsuite/icf_safe_so_test.cc: Ditto.
6086         * testsuite/icf_safe_test.cc: Ditto.
6087         * testsuite/icf_safe_test.sh: Ditto.
6088
6089 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6090             Ian Lance Taylor  <iant@google.com>
6091
6092         * target-reloc.h (relocate_section): Check the symbol table index
6093         for -1U before setting the local symbol index.
6094         (scan_relocatable_relocs): If copying the relocation, record that
6095         the local symbol is required.
6096         * object.h (Symbol_value::is_output_symtab_index_set): New
6097         function.
6098         (Symbol_value::may_be_discarded_from_output_symtab): New
6099         function.
6100         (Symbol_value::has_output_symtab_entry): New function.
6101         (Symbol_value::needs_output_symtab_entry): Remove.
6102         (Symbol_value::output_symtab_index): Make sure the symbol index is
6103         set.
6104         (Symbol_value::set_output_symtab_index): Make sure the symbol
6105         index is not set.  Make sure the new index is valid.
6106         (Symbol_value::set_must_have_output_symtab_entry): New function.
6107         (Symbol_value::has_output_dynsym_entry): New function.
6108         (Symbol_value::set_output_dynsym_index): Make sure the new index
6109         is valid.
6110         (Sized_relobj::set_must_have_output_symtab_entry): New function.
6111         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
6112         local symbol if permitted.
6113         (Sized_relobj::do_finalize_local_symbols): Call
6114         is_output_symtab_index_set rather than needs_output_symtab_entry.
6115         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
6116         rather than needs_output_symtab_entry.  Call
6117         has_output_dynsym_entry rather than needs_output_dynsym_entry.
6118         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
6119         is_output_symtab_index_set rather than needs_output_symtab_entry.
6120         * testsuite/discard_locals_relocatable_test.c: New file.
6121         * testsuite/discard_locals_test.sh: Test -r.
6122         * testsuite/Makefile.am (check_DATA): Add
6123         discard_locals_relocatable_test1.syms,
6124         discard_local_relocatable_test2.syms.
6125         (MOSTLYCLEANFILES): Likewise.  Also add
6126         discard_locals_relocatable_test1.lout and
6127         discard_locals_relocatable_test2.out.
6128         (discard_locals_relocatable_test1.syms): New target.
6129         (discard_locals_relocatable_test.o): New target.
6130         (discard_locals_relocatable_test1.out): New target.
6131         (discard_locals_relocatable_test2.syms): New target.
6132         (discard_locals_relocatable_test2.out): New target.
6133         (various): Add missing ../ld-new dependencies.
6134         * testsuite/Makefile.in: Rebuild.
6135
6136 2010-03-03  Nick Clifton  <nickc@redhat.com>
6137
6138         * po/fi.po: New Finnish translation.
6139
6140 2010-03-01  Doug Kwan  <dougkwan@google.com>
6141
6142         * layout.cc (Layout::Layout): Force section types of .init_array*,
6143         .preinit_array* and .fini_array* sections.
6144         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6145         Fix check of return value of std::string::find.().
6146         (Output_section::Input_section_sort_compare::operator()): Remove
6147         comment about .init_array.
6148         (Output_section::Input_section_sort_init_fini_compare::operator()):
6149         New method.
6150         (Output_section::sort_attached_input_sections): Handle .init_array
6151         and .fini_array specially.
6152         * output.h (Output_section::Inut_section_sort_compare): Update
6153         comment.
6154         (Output_section::Input_section_sort_init_fini_compare): New struct.
6155
6156 2010-02-26  Doug Kwan  <dougkwan@google.com>
6157
6158         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6159         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6160         * testsuite/debug_msg.sh: Avoid matching source line number for
6161         use of global variable undef_int.
6162
6163 2010-02-26  Doug Kwan  <dougkwan@google.com>
6164
6165         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6166         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6167         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6168         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6169         * options.cc (General_options::General_options): Initialize member
6170         fix_v4bx_.
6171         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6172         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6173         and rm_no_fix_v4bx.stdout
6174         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6175         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6176         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6177         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6178         and arm_no_fix_v4bx.
6179         * Makefile.in: Regenerate.
6180         * testsuite/arm_fix_v4bx.s: New file.
6181         * testsuite/arm_fix_v4bx.sh: Ditto.
6182
6183 2010-02-24  Doug Kwan  <dougkwan@google.com>
6184
6185         * arm.cc (Target_arm::got_section): Make the .got section the first
6186         non RELRO section in the data segment.
6187         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6188         suffixes of section names.
6189
6190 2010-02-24  Doug Kwan  <dougkwan@google.com>
6191
6192         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6193         flags and attributes merging if an input file is a binary file.
6194         * fileread.cc (Input_file::open): Record format of original file.
6195         * fileread.h (Input_file::Format): New enum type.
6196         (Input_file::Input_file): Initialize data member format_.
6197         (Input_file::format): New method definition.
6198         (Input_file::format_):: New data member.
6199
6200 2010-02-24  Doug Kwan  <dougkwan@google.com>
6201
6202         * arm.cc (Arm_output_data_got): New class.
6203         (ARM_TCB_SIZE): New constant
6204         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6205         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6206         If user uses a script with a SECTIONS clause, issue only a warning
6207         for a misplaced EXIDX input section.  Otherwise, issue an error.
6208         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6209         garbage collection.
6210         (Target_arm::got_mode_index_entry): Handle static linking.
6211         (Target_arm::Scan::local): Ditto.
6212         (Target_arm::Scan::global): Ditto.
6213         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6214         all incorrectly implemented relocations.
6215         (Target_arm::fix_exidx_coverage): Pass layout to
6216         Arm_output_section::fix_exidx_coverage.
6217         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6218         from ".ARM.exidx." and ".ARM.extab.".
6219
6220 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6221
6222         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6223         section if it does not already exist.
6224         * attributes.cc (Attributes_section_data::Attributes_section_data):
6225         Don't crash if size is zero.
6226
6227 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6228             Ian Lance Taylor  <iant@google.com>
6229
6230         * gold.cc (queue_middle_tasks): If no input files were opened,
6231         exit.
6232         * workqueue.h (Task_function::Task_function): Assert that there is
6233         a blocker.
6234
6235 2010-02-22  Doug Kwan  <dougkwan@google.com>
6236
6237         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
6238         * icf.cc (get_section_contents): Cast snprintf arguments to long long
6239         types to avoid warnings due to different uint64_t implementations
6240         on different hosts.
6241
6242 2010-02-21  Doug Kwan  <dougkwan@google.com>
6243
6244         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
6245         handling of the maximum backward branch offset.
6246         (Arm_relocate_functions::thumb_branch_common): Ditto.
6247         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
6248         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
6249         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
6250         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
6251         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
6252         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
6253         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
6254         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
6255         thumb_bl_out_of_range thumb_bl_out_of_range.o,
6256         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
6257         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
6258         thumb2_bl_out_of_range.o): New rules.
6259         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
6260         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
6261         thumb2_bl_out_of_range
6262         * testsuite/Makefile.in: Regenerate.
6263         * testsuite/arm_bl_in_range.s: New file.
6264         * testsuite/arm_bl_out_of_range.s: Ditto.
6265         * testsuite/arm_branch_in_range.sh: Ditto.
6266         * testsuite/arm_branch_range.t: Ditto.
6267         * testsuite/thumb2_branch_range.t: Ditto.
6268         * testsuite/thumb_bl_in_range.s: Ditto.
6269         * testsuite/thumb_bl_out_of_range.s: Ditto.
6270         * testsuite/thumb_branch_range.t: Ditto.
6271
6272 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
6273
6274         * gc.h (gc_process_relocs): Change vectors to point to the new list.
6275         Add reloc offset information.
6276         * icf.cc (get_section_contents): Change iterators to point to the new
6277         vectors. Add reloc offset information to the contents.
6278         * icf.h (Icf::Sections_reachable_info): New typedef.
6279         (Icf::Sections_reachable_list): New typedef.
6280         (Icf::Offset_info): New typedef.
6281         (Icf::Reloc_info): New struct typedef.
6282         (Icf::Reloc_info_list): New typedef.
6283         (Icf::symbol_reloc_list): Delete method.
6284         (Icf::addend_reloc_list): Delete method.
6285         (Icf::section_reloc_list): Delete method.
6286         (Icf::reloc_info_list): New method.
6287         (Icf::reloc_info_list_): New member.
6288
6289 2010-02-19  Doug Kwan  <dougkwan@google.com>
6290
6291         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
6292         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
6293         * arm.cc (Arm_relocation_functions): New forward declaration.
6294         (Target_arm::Target_arm): Initialize new data members
6295         got_mod_index_offset_ and tls_base_symbol_defined_.
6296         (Target_arm::Relocate::relocate_tls): New method.
6297         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
6298          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
6299         New methods.
6300         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
6301         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
6302         (Target_arm::got_mod_index_offset_,
6303         Target_arm::tls_base_symbol_defined_): New data members.
6304         (Target_arm::Scan::local, Target::Scan::global,
6305         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
6306         relocations.
6307
6308 2010-02-18  Doug Kwan  <dougkwan@google.com>
6309
6310         * arm.cc (Arm_relobj::find_linked_text_section): New method.
6311         (Arm_relobj::make_exidx_input_section): Pass section index of linked
6312         text section as a parameter becuase some broken tools may not set
6313         the link in section header.
6314         (Target_arm::has_got_section): New method.
6315         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
6316         without any mapping symbol as data only.  Remove warning.
6317         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
6318         link in its section header, try to discover the link by inspecting the
6319         REL31 relocation at the beginning of the section.
6320         (Target_arm::Scan::check_non_pic): Report name of offending relocation
6321         in error message.
6322         (Target_arm::Scan::global): Treat any reference to the symbol
6323         _GLOBAL_OFFSET_TABLE_ as a GOT access.
6324
6325 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
6326
6327         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
6328         (Scan::global_reloc_may_be_function_pointer): New function.
6329         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6330         (Scan::global_reloc_may_be_function_pointer): New function.
6331         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6332         (Scan::global_reloc_may_be_function_pointer): New function.
6333         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
6334         (Scan::global_reloc_may_be_function_pointer): New function.
6335         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
6336         (Scan::global_reloc_may_be_function_pointer): New function.
6337         (Scan::possible_function_pointer_reloc): New function.
6338         (Target_x86_64::can_check_for_function_pointers): New function.
6339         * gc.h (gc_process_relocs): Scan relocation types to determine if
6340         function pointers were taken for targets that support it.
6341         * icf.cc (Icf::find_identical_sections): Include functions for
6342         folding in safe ICF whose pointer is not taken.
6343         * icf.h (Secn_fptr_taken_set): New typedef.
6344         (fptr_section_id_): New member.
6345         (section_has_function_pointers): New function.
6346         (set_section_has_function_pointers): New function.
6347         (check_section_for_function_pointers): New function.
6348         * options.h: Fix comment for safe ICF option.
6349         * target.h (can_check_for_function_pointers): New function.
6350         * testsuite/Makefile.am: Add icf_safe_so_test test case.
6351         Modify icf_safe_test for X86-64.
6352         * testsuite/Makefile.in: Regenerate.
6353         * testsuite/icf_safe_so_test.cc: New file.
6354         * testsuite/icf_safe_so_test.sh: New file.
6355         * testsuite/icf_safe_test.cc (kept_func_3): New function.
6356         (main): Change to take pointer to function kept_func_3.
6357         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
6358         folding is done correctly for X86-64.
6359
6360 2010-02-12  David S. Miller  <davem@davemloft.net>
6361
6362         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
6363         is_symbolless parameter.
6364         (Output_reloc<SHT_REL>::is_symbolless): New.
6365         (Output_reloc<SHT_REL>::is_symbolless_): New.
6366         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
6367         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
6368         (Output_reloc<SHT_RELA>::is_symbolless): New.
6369         (Output_data_reloc::add_global): Handle is_symbolless.
6370         (Output_data_reloc::add_global_relative): Likewise.
6371         (Output_data_reloc::add_local): Likewise.
6372         (Output_data_reloc::add_local_relative): Likewise.
6373         (Output_data_reloc::add_symbolless_global_addend): New.
6374         (Output_data_reloc::add_symbolless_local_addend): New.
6375         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
6376         is_symbolless.
6377         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
6378         instead of ->is_relative_
6379         (Output_reloc::write): Likewise.
6380         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
6381         (Output_reloc::write_rel): Simplify.
6382
6383         * sparc.cc (Target_sparc::Scan::local): Use
6384         ->add_symbolless_local_addend as needed.
6385         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
6386         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
6387         based upon relocation offset.
6388
6389 2010-02-11  Doug Kwan  <dougkwan@google.com>
6390
6391         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
6392         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
6393         beginning of function.
6394         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
6395         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
6396         parameter is_32bit in calls to should_apply_static_reloc.
6397         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
6398         (check_DATA): Add arm_abs_global.stdout.
6399         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
6400         arm_abs_global.stdout): New rules.
6401         (MOSTLLYCLEANFILES): Add arm_abs_global
6402         * Makefile.in: Regenerate.
6403         * testsuite/arm_abs_global.s: New file.
6404         * testsuite/arm_abs_global.sh: Ditto.
6405         * testsuite/arm_abs_lib.s: Ditto.
6406
6407 2010-02-11  Ian Lance Taylor  <iant@google.com>
6408
6409         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
6410         Read_relocs task.
6411         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
6412         Allocate_commons_task first.
6413         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
6414         task, rather than symtab_lock_.
6415         (Gc_process_relocs::~Gc_process_relocs): New function.
6416         (Gc_process_relocs::is_runnable): Check this_blocker_.
6417         (Gc_process_relocs::locks): Use next_blocker_ rather than
6418         blocker_.
6419         (Scan_relocs::~Scan_relocs): New function.
6420         (Scan_relocs::is_runnable): Check this_blocker_ rather than
6421         symtab_lock_.
6422         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
6423         next_blocker_.
6424         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
6425         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
6426         constructor accordingly.
6427         (class Gc_process_relocs): Likewise.
6428         (class Scan_relocs): Likewise.
6429         * common.h (class Allocate_commons_task): Remove symtab_lock_
6430         field, and corresponding constructor parameter.
6431         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
6432         symtab_lock_.
6433         (Allocate_commons_task::locks): Likewise.
6434
6435 2010-02-11  Ian Lance Taylor  <iant@google.com>
6436
6437         * gold-threads.h (class Once): Define.
6438         (class Initialize_lock): Rewrite as child of Once.
6439         * gold-threads.cc (class Once_initialize): Define.
6440         (once_pointer_control): New static variable.
6441         (once_pointer, once_arg): New static variables.
6442         (c_run_once): New static function.
6443         (Once::Once, Once::run_once, Once::internal_run): New functions.
6444         (class Initialize_lock_once): Remove.
6445         (initialize_lock_control): Remove.
6446         (initialize_lock_pointer): Remove.
6447         (initialize_lock_once): Remove.
6448         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
6449         (Initialize_lock::initialize): Rewrite.
6450         (Initialize_lock::do_run_once): New function.
6451         * archive.cc (Archive::interpret_header): Only clear name if it is
6452         not already empty.
6453         * fileread.cc: Include "gold-threads.h"
6454         (file_counts_lock): New static variable.
6455         (file_counts_initialize_lock): Likewise.
6456         (File_read::release): Only increment counts when using --stats.
6457         Use a lock around the increment.
6458         * parameters.cc (class Set_parameters_target_once): Define.
6459         (set_parameters_target_once): New static variable.
6460         (Parameters::Parameters): Move here from parameters.h.
6461         (Parameters::set_target): Rewrite.
6462         (Parameters::set_target_once): New function.
6463         (Parameters::clear_target): Move here and rewrite.
6464         * parameters.h (class Parameters): Update declarations.  Add
6465         set_parameters_target_once_ field.
6466         (Parameters::Parameters): Move to parameters.cc.
6467         (Parameters::clear_target): Likewise.
6468         * readsyms.cc (Read_symbols::do_group): Create a Start_group
6469         task.
6470         (Start_group::~Start_group): New function.
6471         (Start_group::is_runnable): New function.
6472         (Start_group::locks, Start_group::run): New functions.
6473         (Finish_group::run): Change saw_undefined to size_t.
6474         * readsyms.h (class Start_group): Define.
6475         (class Finish_group): Change saw_undefined_ field to size_t.
6476         (Finish_group::Finish_group): Remove saw_undefined and
6477         this_blocker parameters.  Change all callers.
6478         (Finish_group::set_saw_undefined): New function.
6479         (Finish_group::set_blocker): New function.
6480         * symtab.h (class Symbol_table): Change saw_undefined to return
6481         size_t.  Change saw_undefined_ field to size_t.
6482         * target-select.cc (Set_target_once::do_run_once): New function.
6483         (Target_selector::Target_selector): Initialize set_target_once_
6484         field.  Don't initialize lock_ and initialize_lock_ fields.
6485         (Target_selector::instantiate_target): Rewrite.
6486         (Target_selector::set_target): New function.
6487         * target-select.h (class Set_target_once): Define.
6488         (class Target_selector): Update declarations.  Make
6489         Set_target_once a friend.  Remove lock_ and initialize_lock_
6490         fields.  Add set_target_once_ field.
6491
6492 2010-02-10  Ian Lance Taylor  <iant@google.com>
6493
6494         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
6495         queueing any tasks.
6496         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
6497         (queue_middle_tasks): Add all blockers before queueing any tasks.
6498         (queue_final_tasks): Likewise.
6499         * token.h (Task_token::add_blockers): New function.
6500         * object.h (Input_objects::number_of_relobjs): New function.
6501
6502 2010-02-10  Ian Lance Taylor  <iant@google.com>
6503
6504         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
6505         shared, not if not position independent.
6506         * x86_64.cc (Relocate::relocate_tls): Likewise.
6507         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
6508         (tls_pie_pic_test): New target.
6509         * testsuite/Makefile.in: Rebuild.
6510
6511         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
6512         (tls_test_main_pie.o, tls_test_pie.o): New targets.
6513         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
6514         * testsuite/Makefile.in: Rebuild.
6515
6516 2010-02-09  David S. Miller  <davem@davemloft.net>
6517
6518         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
6519         R_SPARC_RELATIVE using ->add_local_relative().
6520         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
6521
6522         * output.h (Output_data_dynamic::add_section_size): New method
6523         that takes two Output_data objects.
6524         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6525         entry param.  Handle it in initializers.
6526         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6527         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6528         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6529         arg.
6530         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6531         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6532         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6533         for dynrel_includes_plt.
6534         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6535         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6536         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6537         before .rela.plt
6538         (Target_sparc::do_finalize_sections): Update to pass true for
6539         dynrel_includes_plt.
6540         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6541         output before .rela.plt
6542         (Target_powerpc::do_finalize_sections): Update to pass true for
6543         dynrel_includes_plt when 32-bit.
6544
6545 2010-02-08  Doug Kwan  <dougkwan@google.com>
6546
6547         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6548         method.
6549         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6550         Arm_relobj::scan_section_for_cortex_a8_stubs,
6551         Arm_relobj::do_relocation_section): Instead of calling
6552         Output_section::output_address, use faster
6553         Arm_relobj::simple_input_section_output_address.
6554
6555 2010-02-08  David S. Miller  <davem@davemloft.net>
6556
6557         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6558         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6559         relocation helper function.
6560
6561         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6562         just like R_SPARC_GOT{10,13,22}.
6563         (Target_sparc::Scan::local): Likewise.
6564         (Target_sparc::Relocate:relocate): Likewise.
6565
6566 2010-02-06  Ian Lance Taylor  <iant@google.com>
6567
6568         * configure.ac: Rewrite targetobjs duplicate removal code to use
6569         only shell constructs.
6570         * configure: Rebuild.
6571
6572 2010-02-05  Doug Kwan  <dougkwan@google.com>
6573
6574         PR 11247
6575         * arm.cc (Arm_relobj::section_is_scannable): New method.
6576         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6577         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6578
6579 2010-02-04  Doug Kwan  <dougkwan@google.com>
6580
6581         PR 11247
6582         * arm-reloc-property.cc (cstdio): Include.
6583         * configure.ac (targetobjs): Remove duplicates.
6584         * configure: Regenerate.
6585         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6586         big and little endian version for a given address size.
6587
6588 2010-02-03  Doug Kwan  <dougkwan@google.com>
6589
6590         * arm-reloc-property.cc
6591         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6592         definition.
6593         * arm-reloc-property.h
6594         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6595         New method definition.
6596         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6597         declaration.
6598         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6599         overflow to N.
6600         (GOT_PREL): Change implemented to Y.
6601         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6602         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6603         (Arm_relocate_functions::movw_abs_nc): Remove method.
6604         (Arm_relocate_functions::movt_abs): Ditto.
6605         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6606         (Arm_relocate_functions::thm_movt_abs): Ditto.
6607         (Arm_relocate_functions::movw_rel_nc): Ditto.
6608         (Arm_relocate_functions::movw_rel): Ditto.
6609         (Arm_relocate_functions::movt_rel): Ditto.
6610         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6611         (Arm_relocate_functions:thm_movw_rel): Ditto.
6612         (Arm_relocate_functions:thm_movt_rel): Ditto.
6613         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6614         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6615         New method definitions.
6616         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6617         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6618         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6619         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6620         (Target_arm::Relocate::relocate): Check for non-static or
6621         unimplemented relocation code and exit early.  Change calls to
6622         Target_arm::reloc_uses_thumb_bit and
6623         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6624         instead.  Refactor code to handle similar relocations to increase
6625         code sharing.  Remove check for unsupported relocation code in switch
6626         statement.
6627         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6628         relocation property table to find out size.  Change error message to
6629         print out the name of a relocation code instead of the numeric value.
6630         (Target_arm::scan_reloc_for_stub): Use relocation property table
6631         instead of calling Target_arm::reloc_uses_thumb_bit().
6632
6633 2010-02-02  Doug Kwan  <dougkwan@google.com>
6634
6635         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6636         types of relaxed input section.
6637
6638 2010-02-02  Doug Kwan  <dougkwan@google.com>
6639
6640         * Makefile.am (HFILES): Add arm-reloc-property.h.
6641         (DEFFILES): New.
6642         (TARGETSOURCES): Add arm-reloc-property.cc
6643         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6644         (libgold_a_SOURCES): $(DEFFILES)
6645         * Makefile.in: Regenerate.
6646         * arm-reloc-property.cc: New file.
6647         * arm-reloc-property.h: New file.
6648         * arm-reloc.def: New file.
6649         * arm.cc: Update comments.
6650         (arm-reloc-property.h): New included header.
6651         (arm_reloc_property_table): New global variable.
6652         (Target_arm::do_select_as_default_target): New method definition.
6653         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6654         arm-reloc-property to targ_extra_obj.
6655         * parameters.cc (set_parameters_target): Call
6656         Target::select_as_default_target().
6657         * target.h (Target::select_as_default_target): New method definition.
6658         (Target::do_select_as_default_target): Same.
6659
6660 2010-02-01  Doug Kwan  <dougkwan@google.com>
6661
6662         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6663         first_output_text_section_.
6664         (Arm_exidx_fixup::first_output_text_section): New method definition.
6665         (Arm_exidx_fixup::first_output_text_section_): New data member.
6666         (Arm_exidx_fixup::process_exidx_section): Record the first text
6667         output section seen.
6668         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6669         and entsize in output section header.
6670
6671 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6672
6673         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6674         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6675         (Arm_relocate_functions::thm_alu11): New Method.
6676         (Arm_relocate_functions::thm_pc8): New Method.
6677         (Arm_relocate_functions::thm_pc12): New Method.
6678         (Target_arm::Scan::local): Handle the relocations.
6679         (Target_arm::Scan::global): Likewise.
6680         (Target_arm::Relocate::relocate): Likewise.
6681         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6682
6683 2010-01-29  Doug Kwan  <dougkwan@google.com>
6684
6685         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6686         of relocation types as ld.
6687
6688 2010-01-29  Doug Kwan  <dougkwan@google.com>
6689
6690         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6691         to public.
6692         (Arm_relocate_functions::thumb_branch_common): Ditto.
6693         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6694         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6695         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6696         Arm_relocate_functions::jump24): Remove.
6697         (Target_arm::Relocate::relocate): Adjust code to call
6698         Arm_relocation_functions::arm_branch_common and
6699         Arm_relocation_functions::thumb_branch_common instead of their removed
6700         wrappers.  Merge switch-cases together to reduce source code size.
6701
6702 2010-01-29  Doug Kwan  <dougkwan@google.com>
6703
6704         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6705         output_local_symbol_count_needs_update_.
6706         (Arm_relobj::output_local_symbol_count_needs_update,
6707          Arm_relobj::set_output_local_symbol_count_needs_update,
6708          Arm_relobj::update_output_local_symbol_count): New methods.
6709         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6710         member.
6711         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6712         of pointed function as in a R_ARM_PREL31 relocation.
6713         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6714         for output local symbol count updating.
6715         (Target_arm::do_relax): Update output local symbol counts in objects
6716         if necessary.
6717         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6718
6719 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6720
6721         * arm.cc: Added support for the ARM relocations:
6722         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6723         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6724         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6725         movw_prel_nc).
6726         (Arm_relocate_functions::movw_rel): New method.
6727         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6728         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6729         thm_movw_prel_nc).
6730         (Arm_relocate_functions::thm_movw_rel): New method.
6731         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6732         thm_movt_prel).
6733         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6734         relocations.
6735         (Target_arm::Scan::global): Likewise.
6736         (Target_arm::Relocate::relocate): Likewise.
6737         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6738         Likewise.
6739
6740 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6741
6742         * arm.cc: Added support for ARM group relocations.
6743         (Target_arm::reloc_needs_sym_origin): New method.
6744         (Arm_relocate_functions::calc_grp_kn): New method.
6745         (Arm_relocate_functions::calc_grp_residual): New method.
6746         (Arm_relocate_functions::calc_grp_gn): New method.
6747         (Arm_relocate_functions::arm_grp_alu): New Method.
6748         (Arm_relocate_functions::arm_grp_ldr): New Method.
6749         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6750         (Arm_relocate_functions::arm_grp_ldc): New Method.
6751         (Target_arm::Scan::local): Handle the ARM group relocations.
6752         (Target_arm::Scan::global): Likewise.
6753         (Target_arm::Relocate::relocate): Likewise.
6754         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6755         Likewise.
6756
6757 2010-01-26  Doug Kwan  <dougkwan@google.com>
6758
6759         * arm.cc (set): Include.
6760         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6761         pointer type.
6762         (Arm_output_section::Text_section_list): New type.
6763         (Arm_output_section::append_text_sections_to_list): New method.
6764         (Arm_output_section::fix_exidx_coverage): Ditto.
6765         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6766         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6767         Relobj::set_section_offset() instead of
6768         Sized_relobj::invalidate_section_offset().
6769         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6770         parameter for section headers. Ignore relocation sections for
6771         unallocated sections and EXIDX sections.
6772         (Target_arm::fix_exidx_coverage): New method.
6773         (Target_arm::output_section_address_less_than): New type.
6774         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6775         linked text section instead of the EXIDX section.
6776         (Arm_output_section::create_stub_group): Add an assertion to check
6777         that this is not an EXIDX output section.
6778         (Arm_output_section::append_text_sections_to_list): New method.
6779         (Arm_output_section::fix_exidx_coverage): Ditto.
6780         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6781         Arm_relobj::section_needs_reloc_stub_scanning.
6782         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6783         first pass.
6784         (Target_arm::fix_exidx_coverage): New method.
6785         * object.h (Relobj::set_output_section): New method.
6786         (Sized_relobj::invalidate_section_offset): Remove method.
6787         (Sized_relobj::do_invalidate_section_offset): Remove method.
6788         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6789
6790 2010-01-25  Doug Kwan  <dougkwan@google.com>
6791
6792         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6793         Fix warning due to signed and unsigned comparison on a 32-bit host.
6794
6795 2010-01-22  Doug Kwan  <dougkwan@google.com>
6796
6797         * arm.cc (Target_arm::do_relax): Record an output section for section
6798         offset adjustment it contains any stub table that has changed.
6799         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6800         offsets in an output section if necessary.
6801         * output.cc (Output_section::Output_section): Initialize
6802         section_offsets_need_adjustments_.
6803         (Output_section::add_input_section_for_script): Renamed to
6804         Output_section::add_simple_input_section.
6805         (Output_section::save_states): Add a comment.
6806         (Output_section::discard_states): New method defintion.
6807         (Output_section::adjust_section_offsets): Same.
6808         * output.h (Output_section::add_input_section_for_script): Renamed to
6809         Output_section::add_simple_input_section.
6810         (Output_section::discard_states): New method declaration.
6811         (Output_section::adjust_section_offsets): Same.
6812         (Output_section::section_offsets_need_adjustment,
6813         Output_section::set_section_offsets_need_adjustment): New method
6814         definitions.
6815         (Output_section::section_offsets_need_adjustment_): New data member.
6816         * script-sections.cc
6817         (Output_section_element_input::set_section_address): Adjust code for
6818         renaming of Output_section::add_input_section_for_script.
6819         (Orphan_output_section::set_section_address): Same.
6820
6821 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6822
6823         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6824         Fix_v4bx enum values .
6825         * gold/options.h (General_options): New option definitions.
6826         (General_options::fix_v4bx): New method.
6827         (General_options::Fix_v4bx): New enum.
6828         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6829         (General_options::parse_fix_v4bx_interworking): New method.
6830
6831 2010-01-22  Doug Kwan  <dougkwan@google.com>
6832
6833         * arm.cc (Arm_exidx_fixup): New class.
6834
6835 2010-01-21  Doug Kwan  <dougkwan@google.com>
6836
6837         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6838         classes.
6839         (Arm_exidx_section_offset_map): New type.
6840
6841 2010-01-21  Doug Kwan  <dougkwan@google.com>
6842
6843         * arm.cc (Arm_exidx_input_section): New class.
6844         (Arm_relobj::exidx_input_section_by_link,
6845         Arm_relobj::exidx_input_section_by_shndx,
6846         Arm_relobj::make_exidx_input_section): New methods.
6847         (read_arm_attributes_section): Remove.
6848         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6849         information about them.
6850         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6851         to here.
6852
6853 2010-01-20  Doug Kwan  <dougkwan@google.com>
6854
6855         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6856         Input_section_specifier to Section_id.
6857         (Target_arm::new_arm_input_section: Adjust code for change of key
6858         type.
6859         (Target_arm::find_arm_input_section): Ditto.
6860         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6861         (Section_id): Remove.
6862         (Garbage_collection::Section_id_hash): Remove.
6863         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6864         (Section_id): Remove.
6865         (Icf::Section_id_hash): Remove.
6866         * object.h (Section_id, Const_section_id, Section_id_hash,
6867         Const_section_id_hash): New type definitions.
6868         * output.cc (Output_section::add_relaxed_input_section): Change to
6869         use Const_section_id instead of Input_section_specifier as key type.
6870         (Output_section::add_merge_input_section): Ditto.
6871         (Output_section::build_relaxation_map): Change to use Section_id
6872         instead of Input_section_specifier as key type.
6873         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6874         Ditto.
6875         (Output_section::convert_input_sections_to_relaxed_sections): Change
6876         to use Const_section_id instead of Input_section_specifier as key type.
6877         (Output_section::find_merge_section): Ditto.
6878         (Output_section::find_relaxed_input_section): Ditto.
6879         * output.h (Input_section_specifier): Remove class.
6880         (Output_section::Output_section_data_by_input_section_map): Change
6881         key type to Const_section_id.
6882         (Output_section::Output_relaxed_input_section_by_input_section_map):
6883         Ditto.
6884         (Output_section::Relaxation_map): Change key type to Section_id.
6885
6886 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6887
6888         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6889         (class Arm_v4bx_stub): New class.
6890         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6891         (Stub_factory::make_arm_v4bx_stub): New method.
6892         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6893         (Stub_table::empty): Handle v4bx stubs.
6894         (Stub_table::add_arm_v4bx_stub): New method.
6895         (Stub_table::find_arm_v4bx_stub): New method.
6896         (Arm_relocate_functions::v4bx): New method.
6897         (Target_arm::fix_v4bx): New method.
6898         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6899         (Stub_table::relocate_stubs): Likewise.
6900         (Stub_table::do_write): Likewise.
6901         (Stub_table::update_data_size_and_addralign): Likewise.
6902         (Stub_table::finalize_stubs):  Likewise.
6903         (Target_arm::Scan::local): Likewise.
6904         (Target_arm::Scan::global): Likewise.
6905         (Target_arm::do_finalize_sections): Likewise.
6906         (Target_arm::Relocate::relocate): Likewise.
6907         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6908         Likewise.
6909         (Target_arm::scan_reloc_for_stub): Likewise.
6910         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6911
6912 2010-01-19  Ian Lance Taylor  <iant@google.com>
6913
6914         * output.cc (Output_section_headers::do_sized_write): Write large
6915         segment count to sh_info field.
6916         (Output_file_header::do_sized_write): For large segment count,
6917         write PN_XNUM to e_phnum field.
6918
6919 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6920
6921         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6922         (Arm_relocate_functions::thm_jump8): New function.
6923         (Arm_relocate_functions::thm_jump11): New function.
6924         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6925         R_ARM_THM_JUMP11.
6926         (Target_arm::Scan::global): Likewise.
6927         (Target_arm::Relocate::relocate): Likewise.
6928         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6929         Likewise.
6930
6931 2010-01-14  Doug Kwan  <dougkwan@google.com>
6932
6933         * arm.cc (map, utility): Include headers.
6934         (Target_arm::apply_cortex_a8_workaround): New method.
6935         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6936         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6937         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6938         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6939         the --[no-]fix-cortex-a8 command line options.
6940         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6941         (Target_arm::relocate_stub): Use addend in instruction template.
6942         * options.h (DEFINE_bool): Set the user-set flag.
6943         (General_options): Add --[no-]-fix-cortex options.
6944         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6945         : Update fast look-up map after conversion.
6946
6947 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6948
6949         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6950         in the first pass of do_layout.
6951
6952 2010-01-13  Doug Kwan  <dougkwan@google.com>
6953
6954         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6955         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6956         apparent compiler problem of not folding static constant integral
6957         data members of elfcpp::Elf_sizes<32>.
6958
6959 2010-01-13  Doug Kwan  <dougkwan@google.com>
6960
6961         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6962         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6963         Arm_relobj::scan_section_for_cortex_a8_erratum,
6964         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6965         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6966         sections to scan for relocation stubs into a new method
6967         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6968         relocation and Cortex-A8 stub scanning.
6969         (Target_arm::do_relax): Force stubs to be after stubbed sections
6970         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6971         the beginning of a new relaxation pass.  Update a comment.
6972         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6973
6974 2010-01-12  Ian Lance Taylor  <iant@google.com>
6975
6976         * target-reloc.h (visibility_error): New inline function.
6977         (relocate_section): Call visibility_error.
6978         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6979         (MOSTLYCLEANFILES): Likewise.
6980         (protected_4_pic.o, protected_3.err): New targets.
6981         * testsuite/protected_4.cc: New file.
6982
6983 2010-01-12  Doug Kwan  <dougkwan@google.com>
6984
6985         * arm.cc (Cortex_a8_reloc): New class.
6986         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6987         and cortex_a8_relocs_info_.
6988         (Target_arm::fix_cortex_a8): New method definition.
6989         (Target_arm::Cortex_a8_relocs_info): New type.
6990         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6991         New data member declarations.
6992         (Target_arm::scan_reloc_for_stub): Record information about
6993         relocations for THUMB branches that might be exempted from the
6994         Cortex-A8 workaround.
6995         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6996         at the beginning of a relaxation pass.
6997
6998 2010-01-12  Doug Kwan  <dougkwan@google.com>
6999
7000         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
7001         (Arm_relobj::Mapping_symbol_position,
7002          Arm_reloj::Mapping_symbol_position_less,
7003          Arm_relobj::Mapping_symbols_info): New types.
7004         (Target_arm::is_mapping_symbol_name): New method definition.
7005         (Arm_relobj::do_count_local_symbols): Save information about mapping
7006         symbols.
7007
7008 2010-01-11  Doug Kwan  <dougkwan@google.com>
7009
7010         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
7011         Arm_relocate_functions::thumb32_branch_upper,
7012         Arm_relocate_functions::thumb32_branch_lower,
7013         Arm_relocate_functions::thumb32_cond_branch_offset,
7014         Arm_relocate_functions::thumb32_cond_branch_upper,
7015         Arm_relocate_functions::thumb32_cond_branch_lower,
7016         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
7017         branch offset encoding.
7018         (Arm_relocate_functions::thumb_branch_common): Use new branch
7019         offset encoding methods to avoid code duplication.
7020         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
7021         (Stub_addend_reader::operator()): Use new branch encoding method
7022         to avoid code duplication.
7023
7024 2010-01-11  Doug Kwan  <dougkwan@google.com>
7025
7026         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
7027         (Target_arm::do_finalize_sections): Define special EXIDX section
7028         symbols only if referenced.
7029         * gc.h (Garbage_collection::add_reference): New method.
7030         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
7031         code duplication.
7032
7033 2010-01-11  Ian Lance Taylor  <iant@google.com>
7034
7035         * script.cc (Version_script_info::build_expression_list_lookup):
7036         Change complaing about duplicate wildcard match from error to
7037         warning.
7038
7039         * script.cc (class Lazy_demangler): Recreate--revert part of patch
7040         of 2009-12-30.
7041         (Version_script_info::Version_script_info): Initialize globs_,
7042         default_version_, default_is_global_, and exact_.  Don't
7043         initialize globals_ or locals_.
7044         (Version_script_info::build_lookup_tables): Build local symbols
7045         first.
7046         (Version_script_info::unquote): New function.
7047         (Version_script_info::add_exact_match): New function.
7048         (Version_script_info::build_expression_list_lookup): Remove lookup
7049         parameter.  Add is_global parameter.  Change all callers.  Handle
7050         wildcard pattern specially.  Unquote pattern.  Call
7051         add_exact_match.
7052         (Version_script_info::get_name_to_match): New function.
7053         (Version_script_info::get_symbol_version): New function.
7054         (Version_script_info::get_symbol_version_helper): Remove.
7055         (Version_script_info::check_unmatched_names): Call unquote.
7056         * script.h (class Version_script_info): Change get_symbol_version
7057         to be non-inline and add is_global parameter; change all callers.
7058         Rewrite symbol_is_local.  Update declarations.  Define struct
7059         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
7060         Remove globals_ and locals_ members.  Add exact_, globs_,
7061         default_version_, is_global_.
7062         (Version_script_info::Glob): Remove pattern, add expression and
7063         is_global.  Update constructor.  Change all callers.
7064         * dynobj.cc (Versions::finalize): Mark the version symbol as the
7065         default version.
7066         (Versions::symbol_section_contents): If a symbol is undefined, or
7067         defined in a dynamic object, set the version index to
7068         VER_NDX_LOCAL.
7069         * symtab.cc (Symbol_table::add_from_relobj): Don't call
7070         symbol_is_local.
7071         (Symbol_table::add_from_pluginobj): Likewise.
7072         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
7073
7074 2010-01-11  Doug Kwan  <dougkwan@google.com>
7075
7076         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
7077         (incremental_dump_LDADD): Add linking option for libintl.
7078         * Makefile.in: Regenerate.
7079
7080 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
7081
7082         PR gold/11144
7083         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
7084         instead of -Ds.
7085         * testsuite/Makefile.in: Regenerated.
7086
7087 2010-01-10  Doug Kwan  <dougkwan@google.com>
7088
7089         * options.h (DEFINE_var): Use parentheses around argument varname__
7090         in macro body to avoid any unintended subsequent substitutions.
7091
7092 2010-01-10  Ian Lance Taylor  <iant@google.com>
7093
7094         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
7095         candidates before doing symbol resolution.
7096
7097         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7098         ODR candidates if only one is weak.
7099
7100 2010-01-08  Ian Lance Taylor  <iant@google.com>
7101
7102         * script.cc (Version_script_info::build_expression_list_lookup):
7103         Don't warn about ambiguous version, just record the ambiguity.
7104         (Version_script_info::get_symbol_version_helper): Give error if
7105         version is ambiguous.
7106
7107 2010-01-08  Doug Kwan  <dougkwan@google.com>
7108
7109         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
7110           prev_data_size_ and prev_addralign_.  Remove initializer for
7111           deleted data member has_been_changed_.
7112           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
7113           to determine if the table is empty.
7114           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
7115           Remove.
7116           (Stub_table::add_reloc_stub): Define method in class definition
7117           instead of just declaring it there.
7118           (Stub_table::add_cortex_a8_stub): New method definition.
7119           (Stub_table::update_data_size_and_addralign): Ditto.
7120           (Stub_table::finalize_stubs): Ditto.
7121           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7122           (Stub_table::do_addralign_): Return address alignment in the
7123           (Stub_table::do_reset_address_and_file_offset): Define method in
7124           class definition instead of declaring it there.  Set current data
7125           size to be the data size of the previous pass.
7126           (Stub_table::set_final_data_size): Use current data size as the
7127           final data size.
7128           (Stub_table::relocate_stub): Change parameter type of stub from
7129           Reloc_stub pointer to Stub pointer.
7130           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7131           (Stub_table::Cortex_a8_stub_list): New typedef.
7132           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7133            Stub_table::prev_addralign_): New data member.
7134           (Arm_relobj::Arm_relobj): Initialize data member
7135           section_has_cortex_a8_workaround_.
7136           (Arm_relobj::section_has_cortex_a8_workaround,
7137            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7138            definitions.
7139           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7140           declarations.
7141           (Target_arm::relocate_stub): Change parameter type of stub from
7142           Reloc_stub pointer to Stub pointer.
7143           (Insn_template::size, Insn_template::alignment): Handle
7144           THUMB16_SPECIAL_TYPE.
7145           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7146            Stub_table::update_data_size_and_addralign,
7147            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7148           definitions.
7149           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7150           (Stub_table::do_write): Ditto.
7151           (Target_arm::do_relax): Adjust code for changes in Stub_table.
7152
7153 2010-01-08  Ian Lance Taylor  <iant@google.com>
7154
7155         PR 11108
7156         * symtab.h (class Symbol): Remove fields is_target_special_ and
7157         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7158         (Symbol::is_defined_in_discarded_section): New function.
7159         (Symbol::set_is_defined_in_discarded_section): New function.
7160         (Symbol::has_plt_offset): Rewrite.
7161         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7162         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7163         Don't initialize is_target_special_ or has_plt_offset_.
7164         Initialize is_defined_in_discarded_section_.
7165         (Symbol_table::add_from_relobj): If appropriate, set
7166         is_defined_in_discarded_section.
7167         * resolve.cc (Symbol::override_base_with_special): Don't test
7168         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7169         * target-reloc.h (relocate_section): Do special handling for
7170         symbols defined in discarded sections for global symbols as well
7171         as local symbols.
7172
7173 2010-01-08  Ian Lance Taylor  <iant@google.com>
7174
7175         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7176         the SHT_SYMTAB case.
7177
7178 2010-01-08  Ian Lance Taylor  <iant@google.com>
7179
7180         * object.cc (Sized_relobj::do_layout): Don't get confused if
7181         layout_eh_frame returns NULL.
7182
7183 2010-01-08  Ian Lance Taylor  <iant@google.com>
7184
7185         PR 11084
7186         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7187         dynamic symbol table, use the normal symbol table.
7188         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7189         symbol table.
7190
7191 2010-01-08  Ian Lance Taylor  <iant@google.com>
7192
7193         PR 11072
7194         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7195         sections.
7196
7197 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7198
7199         * version.cc (print_version): Change to "Copyright 2010".
7200
7201 2010-01-08  Ian Lance Taylor  <iant@google.com>
7202
7203         PR 10287
7204         PR 11063
7205         * i386.cc (class Target_i386): Change return type of plt_section
7206         to be non-const.
7207         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7208         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7209         tls_desc_rel_ field.
7210         (Output_data_plt_i386::rel_tls_desc): New function.
7211         (Target_i386::rel_tls_desc_section): New function.
7212         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7213         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7214         R_386_TLS_DESC reloc in rel_tls_desc_section.
7215         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7216         Define struct Tlsdesc_info.
7217         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7218         (Target_x86_64::do_reloc_symbol_index): New function.
7219         (Target_x86_64::add_tlsdesc_info): New function.
7220         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7221         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7222         tlsdesc_rel_ field.
7223         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7224         all callers.
7225         (Output_data_plt_x86_64::rela_tlsdesc): New function.
7226         (Target_x86_64::rela_tlsdesc_section): New function.
7227         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
7228         handling.
7229         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
7230         (Target_x86_64::do_reloc_addend): New function.
7231         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
7232         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
7233         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
7234         (Output_reloc::type): New function.
7235         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
7236         (Output_reloc::is_target_specific): New function.
7237         (Output_reloc::target_arg): New function.
7238         (class Output_reloc) [SHT_RELA]: Add four new constructors for
7239         absolute relocs and target specific relocs.
7240         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
7241         add_target_specific.
7242         (class Output_data_reloc) [SHT_RELA]: Likewise.
7243         * output.cc (Output_reloc::Output_reloc): Add four new versions
7244         for absolute relocs and target specific relocs.
7245         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
7246         (Output_reloc::get_symbol_index): Likewise.
7247         (Output_reloc::local_section_offset): Check that local_sym_index_
7248         is not TARGET_CODE or 0.
7249         (Output_reloc::symbol_value): Likewise.
7250         (Output_reloc::write) [SHT_RELA]: Call target for target specific
7251         reloc.
7252         * target.h (class Target): Add reloc_symbol_index and reloc_addend
7253         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
7254         functions.
7255         * layout.cc (add_target_dynamic_tags): Use output section for
7256         DT_PLTRELSZ and DT_JMPREL.
7257
7258 2010-01-07  Ian Lance Taylor  <iant@google.com>
7259
7260         PR 11061
7261         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
7262         function.
7263         (class Output_data_reloc_generic): Define.
7264         (class Output_data_reloc_base): Change base class to
7265         Output_data_reloc_generic.  Change add() method to call
7266         bump_relative_reloc_count for a relative reloc.  Remove
7267         sort_relocs_ field.
7268         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
7269         to sort_relocs().
7270         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
7271         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
7272         appropriate.
7273         * layout.h (class Layout): Update declaration.
7274
7275 2010-01-07  Ian Lance Taylor  <iant@google.com>
7276
7277         * output.h (class Output_data): Add const version of
7278         output_section and do_output_section.
7279         (class Output_section_data): Add const version of
7280         do_output_section.
7281         (class Output_section): Likewise.
7282         * layout.cc (Layout::add_target_dynamic_tags): New function.
7283         * layout.h (class Layout): Update declarations.
7284         * arm.cc (Target_arm::do_finalize_sections): Use
7285         add_target_dynamic_tags.
7286         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7287         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7288         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7289         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7290
7291 2010-01-07  Ian Lance Taylor  <iant@google.com>
7292
7293         PR 11042
7294         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
7295         object as needed.
7296
7297 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7298             Ian Lance Taylor  <iant@google.com>
7299
7300         PR 11019
7301         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
7302         Xindex::read_symtab_xindex.
7303
7304 2010-01-07  Doug Kwan  <dougkwan@google.com>
7305
7306         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
7307         (Insn_template::thumb16_bcond_insn): New method declaration.
7308         (Insn_template): Fix spelling.
7309         (Stub::thumb16_special): New method declaration.
7310         (Stub::do_write): Define virtual method which was previously pure
7311         virtual.
7312         (Stub::do_thumb16_special): New method declaration.
7313         (Stub::do_fixed_endian_write): New template member.
7314         (Reloc_stub::do_write): Remove.
7315         (Reloc_stub::do_fixed_endian_write): Remove.
7316         (Cortex_a8_stub): New class definition.
7317         (Stub_factory::make_cortex_a8_stub): New method definition.
7318         (Stub_factory::Stub_factory): Add missing static storage class
7319         qualifier for elf32_arm_stub_a8_veneer_blx.
7320
7321 2010-01-07  Ian Lance Taylor  <iant@google.com>
7322
7323         PR 10980
7324         * options.h (class General_options): Add --warn-unresolved-symbols
7325         and --error-unresolved-symbols.
7326         * errors.cc (Errors::undefined_symbol): Implement
7327         --warn-unresolved-symbols.
7328
7329         * options.h (class General_options): Add -z text and -z textoff.
7330         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
7331
7332 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
7333
7334         * gc.h (Garbage_collection::Cident_section_map): New typedef.
7335         (Garbage_collection::cident_sections): New function.
7336         (Garbage_collection::add_cident_section): New function.
7337         (Garbage_collection::cident_sections_): New member.
7338         (gc_process_relocs): Add references to sections whose names are C
7339         identifiers.
7340         * gold.h (cident_section_start_prefix): New constant.
7341         (cident_section_stop_prefix): New constant.
7342         (is_cident): New function.
7343         * layout.cc (Layout::define_section_symbols): Replace string constants
7344         with the newly defined constants.
7345         * object.cc (Sized_relobj::do_layout): Track sections whose names are
7346         C identifiers.
7347         * testsuite/Makefile.am: Add gc_orphan_section_test.
7348         * testsuite/Makefile.in: Regenerate.
7349         * testsuite/gc_orphan_section_test.cc: New file.
7350         * testsuite/gc_orphan_section_test.sh: New file.
7351
7352 2010-01-06  Ian Lance Taylor  <iant@google.com>
7353
7354         PR 10980
7355         * options.h (class General_options): Add --warn-shared-textrel.
7356         * layout.cc (Layout::finish_dynamic_section): Implement
7357         --warn-shared-textrel.
7358
7359         PR 10980
7360         * options.h (class General_options): Add --warn-multiple-gp.
7361
7362 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7363
7364         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
7365         $(THREADSLIB) and $(LIBDL).
7366         * Makefile.in: Rebuild.
7367
7368 2010-01-06  Ian Lance Taylor  <iant@google.com>
7369
7370         PR 10980
7371         * options.cc (General_options::parse_section_start): New function.
7372         (General_options::section_start): New function.
7373         (General_options::General_options): Initialize all members.
7374         * options.h: Include <map>
7375         (class General_options): Add --section-start.  Add section_starts_
7376         member.
7377         * layout.cc (Layout::attach_allocated_section_to_segment): If
7378         --section-start was used, set the address of the segment.  Remove
7379         local sort_sections.
7380         (Layout::relaxation_loop_body): If the address of the load segment
7381         has been set by --section-start, don't use it.
7382         * output.h (Output_segment::update_flags_for_output_section): New
7383         function.
7384         * output.cc (Output_segment::add_output_section): Call
7385         update_flags_for_output_section.
7386
7387 2010-01-05  Ian Lance Taylor  <iant@google.com>
7388
7389         PR 10980
7390         * options.h (class General_options): Add --undefined-version.
7391         * script.cc (struct Version_expression): Add was_matched_by_symbol
7392         field.
7393         (Version_script_info::matched_symbol): New function.
7394         (Version_script_info::get_symbol_version_helper): Call
7395         matched_symbol.
7396         (Version_script_info::check_unmatched_names): New function.
7397         * script.h (class Version_script_info): Update declarations.
7398         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
7399
7400         * options.h (class General_options): Use DEFINE_bool_alias for
7401         allow_multiple_definition.
7402         * resolve.cc (Symbol_table::should_override): Don't test
7403         allow_multiple_definition.
7404
7405         PR 10980
7406         * options.h (class General_options): Add --cref.
7407         * main.cc (main): Print cref table if --cref.  Don't close mapfile
7408         until after printing cref table.
7409         * cref.cc: Include "symtab.h".
7410         (class Cref_inputs): Define Cref_table_compare and Cref_table.
7411         (Cref_table_compare::operator()): New function.
7412         (Cref_inputs::gather_cref): New function.
7413         (filecol): New static const.
7414         (Cref_inputs::print_cref): New function.
7415         (Cref::print_cref): New function.
7416         * cref.h: Include <cstdio>.
7417         (class Cref): Update declarations.
7418         * mapfile.h (Mapfile::file): New function.
7419         * object.h (class Object): Define Symbols.  Declare virtual
7420         do_get_global_symbols.
7421         (Object::get_global_symbols): New function.
7422         * object.cc (Input_objects::add_object): Pass object to cref_ if
7423         --cref.
7424         (Input_objects::archive_start): Likewise.
7425         (Input_objects::archive_stop): Likewise.
7426         (Input_objects::print_cref): New function.
7427         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
7428         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
7429         --cref.
7430         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
7431         function.
7432         * plugin.h (class Sized_pluginobj): Update declarations.
7433
7434 2010-01-05  Ian Lance Taylor  <iant@google.com>
7435
7436         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
7437         to is_default_version.  Rename insdef to insdefault.
7438         (Symbol_table::add_from_relobj): Rename def to is_default_version
7439         and local to is_forced_local.
7440         (Symbol_table::add_from_pluginobj): Likewise.
7441         (Symbol_table::add_from_dynobj): Likewise.
7442         (Symbol_table::define_special_symbol): Rename insdef to
7443         insdefault.
7444
7445 2010-01-04  Ian Lance Taylor  <iant@google.com>
7446
7447         PR 10980
7448         * options.h (class General_options): Add
7449         --allow-multiple-definition and -z muldefs.
7450         * resolve.cc (Symbol_table::should_override): Don't warn about a
7451         multiple symbol definition if --allow-multiple-definition or -z
7452         muldefs.
7453
7454         PR 10980
7455         * options.h (class General_options): Add --add-needed and
7456         --copy-dt-needed-entries.  Tweak --as-needed help entry.
7457         * object.cc (Input_objects::check_dynamic_dependencies): Give an
7458         error if --copy-dt-needed-entries aka --add-needed is used and
7459         would cause a change in behaviour.
7460
7461         PR 10980
7462         * options.h (class General_options): Add -G as a short version of
7463         --shared.  Add no-op options -assert, -g, and -i.
7464
7465 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
7466
7467         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
7468         check for .text or .gnu.linkonce.t sections.
7469         * icf.cc (Icf::find_identical_sections): Ditto.
7470         Change the detection for mangled function name within the section
7471         name.
7472         * icf.h (is_section_foldable_candidate): New function.
7473
7474 2009-12-30  Ian Lance Taylor  <iant@google.com>
7475
7476         PR 10980
7477         * options.h (class General_options): Permit two dashes with
7478         --retain-symbols-file.
7479
7480 2009-12-30  Ian Lance Taylor  <iant@google.com>
7481
7482         PR 10979
7483         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
7484         don't put the file header and segment headers in the text
7485         segment.
7486
7487         PR 10979
7488         * common.cc (Sort_commons::operator()): Stabilize sort when both
7489         entries are NULL.
7490         (Symbol_table::do_allocate_commons_list): When allocating common
7491         symbols, skip a symbol which is no longer common.
7492         * symtab.h (Symbol::is_common): Test whether the symbol comes from
7493         an object before checking its type.
7494         * testsuite/common_test_2.c: New file.
7495         * testsuite/common_test_3.c: New file.
7496         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
7497         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
7498         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
7499         (common_test_2_pic.o, common_test_2.so): New targets.
7500         (common_test_3_pic.o, common_test_3.so): New targets.
7501         * testsuite/Makefile.in: Rebuild.
7502
7503         PR 10979
7504         * script.cc (read_input_script): If we see a new SECTIONS clause,
7505         and we have added an input section, give an error.
7506         * layout.h (class Layout): Add have_added_input_section function.
7507         Add have_added_input_section_ field.
7508         * layout.cc (Layout::Layout): Initialize
7509         have_added_input_section_.
7510         (Layout::layout): Set have_added_input_section_.
7511         (Layout::layout_eh_frame): Likewise.
7512
7513 2009-12-30  Ian Lance Taylor  <iant@google.com>
7514
7515         PR 10931
7516         * options.h (class General_options): Add --sort-common option.
7517         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
7518         * common.cc (Sort_common): Add sort_order parameter to
7519         constructor.  Add sort_order_ field.
7520         (Sort_commons::operator): Check sort_order_.
7521         (Symbol_table::allocate_commons): Determine the sort order.
7522         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7523         Change all callers.
7524         (Symbol_table::do_allocate_commons_list): Likewise.
7525
7526 2009-12-30  Ian Lance Taylor  <iant@google.com>
7527
7528         PR 10916
7529         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7530         symbols from this object, don't change the visibility of an
7531         undefined symbol.
7532         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7533
7534 2009-12-30  Ian Lance Taylor  <iant@google.com>
7535
7536         PR 10861
7537         * script.h (class Version_script_info): Define Language enum.
7538         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7539         new fields globals_, locals_, and is_finalized_.
7540         * script.cc: Various formatting fixes.
7541         (class Parser_closure): Change language_stack_ from a vector of
7542         std::string to one of Version_script_info::Language.  Adjust all
7543         uses accordingly.
7544         (class Lazy_demangler): Remove.
7545         (struct Version_expression): Change language from std::string to
7546         Version_script_info::Language.
7547         (Version_script_info::Version_script_info): New function.
7548         (Version_script_info::~Version_script_info): Don't call clear.
7549         (Version_script_info::finalize): New function.
7550         (Version_script_info::build_lookup_tables): New function.
7551         (Version_script_info::build_expression_list_lookup): New
7552         function.
7553         (Version_script_info::get_symbol_version_helper): Rewrite to use
7554         lookup tables.
7555         (Version_script_info::print_expression_list): Adjust to use
7556         Version_script_info::Language.
7557         (script_push_lex_into_version_mode): Check that the version script
7558         has not been finalized.
7559         (version_script_push_lang): Change language string to
7560         Version_script_info::Language.
7561         * options.cc (Command_line::version_script): New function.
7562         * options.h (class General_options): Add finalize_dynamic_list
7563         function.  Change version_script from declaration to definition.
7564         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7565         * testsuite/version_script.map: Remove duplicate def of foo.
7566         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7567         version_script.map.
7568         * testsuite/Makefile.in: Rebuild.
7569
7570 2009-12-30  Ian Lance Taylor  <iant@google.com>
7571
7572         PR 10843
7573         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7574         if the input symbol index is 0, make the output symbol index 0.
7575
7576 2009-12-30  Ian Lance Taylor  <iant@google.com>
7577
7578         PR 10670
7579         * options.h (class General_options): Add -x/--discard-all.
7580         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7581         --discard-all.  If the local symbol needs a dynamic entry, check
7582         that before handling --discard-locals.
7583
7584 2009-12-30  Ian Lance Taylor  <iant@google.com>
7585
7586         PR 10450
7587         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7588         flags to PF_R.
7589         (Output_segment::add_output_section): Don't change the flags if
7590         the type is PT_TLS.
7591
7592         PR 10450
7593         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7594         GNU hash table if they need a dynamic value.  Otherwise, don't add
7595         them if they are defined in a dynamic object or are forced local.
7596
7597 2009-12-29  Ian Lance Taylor  <iant@google.com>
7598
7599         PR 10450
7600         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7601         .gnu.hash table for a 32-bit target.
7602
7603         PR 10450
7604         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7605         regular and a dynamic object only needs a dynamic symbol table
7606         entry if it is externally visible.
7607
7608         PR 10450
7609         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7610         constructor.  Add global_offset_table_ field.
7611         (Target_i386::got_section): Set global_offset_table_.
7612         (Target_i386::do_finalize_sections): Set global_offset_table_
7613         size.
7614         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7615         in constructor.  Add global_offset_table_ field.
7616         (Target_x86_64::got_section): Set global_offset_table_.
7617         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7618         size.
7619
7620         * layout.cc (Layout::Layout): Initialize increase_relro_.
7621         (Layout::get_output_section): Add is_relro, is_last_relro, and
7622         is_first_non_relro parameters.  Change all callers.
7623         (Layout::choose_output_section): Likewise.
7624         (Layout::add_output_section_data): Likewise.
7625         (Layout::make_output_section): Likewise.
7626         (Layout::set_segment_offsets): Clear increase_relro when using a
7627         linker script.
7628         * layout.h (class Layout): Add increase_relro method.  Add
7629         increase_relro_ field.  Update declarations.
7630         * output.cc (Output_section::Output_section): Initialize
7631         is_last_relro_ and is_first_non_relro_.
7632         (Output_segment::add_output_section): Group relro sections is
7633         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7634         (Output_segment::maximum_alignment): Remove relro handling.
7635         (Output_segment::set_section_addresses): Add increase_relro
7636         parameter.  Change all callers.  Add initial alignment to align
7637         relro sections on separate page.  Remove old relro handling.
7638         (Output_segment::set_section_list_addresses): Remove in_relro
7639         parameter.  Change all callers.
7640         (Output_segment::set_offset): Add increase parameter.  Change all
7641         callers.  Remove old relro handling.
7642         * output.h (class Output_section): Add new methods: is_last_relro,
7643         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7644         Add is_last_relro_ and is_first_non_relro_ fields.
7645         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7646         Create separate .got.plt section.  Call increase_relro.
7647         * x86_64.cc (Target_x86_64::got_section): Likewise.
7648         * testsuite/relro_script_test.t: Add .got.plt.
7649
7650         PR 10450
7651         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7652         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7653         (Layout::finalize): Call set_dynamic_symbol_size.
7654         (Layout::set_dynamic_symbol_size): New function.
7655         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7656         set_dynamic_symbol_size.
7657
7658         PR 10450
7659         * output.h (class Output_section): Add is_entsize_zero_ field.
7660         * output.cc (Output_section::Output_section): Initialize
7661         is_entsize_zero_.
7662         (Output_section::set_entsize): If two different entsizes are
7663         requested, force it to zero.
7664         (Output_section::add_input_section): Set flags for .debug_str
7665         before updating section flags.  Set entsize.
7666         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7667         and SHF_STRING if all input sections have those flags.
7668
7669 2009-12-29   Rafael Espindola  <espindola@google.com>
7670
7671         * main.cc (main): Fix the sys time reporting.
7672         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7673         reporting.
7674
7675 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7676
7677         * options.cc (General_options::parse_version): Allow -v to exit
7678         without an error if there is nothing to link.
7679
7680 2009-12-29  Ian Lance Taylor  <iant@google.com>
7681
7682         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7683         using a version of gcc before 4.1.
7684         * configure: Rebuild.
7685
7686 2009-12-28  Chris Demetriou  <cgd@google.com>
7687
7688         * attributes.cc (Output_attributes_section_data::do_write): Use
7689         std::vector::front rather than std::vector::data.
7690
7691 2009-12-28  Ian Lance Taylor  <iant@google.com>
7692
7693         * symtab.h (class Symbol_table): Add enum Defined.
7694         * resolve.cc (Symbol_table::should_override): Add defined
7695         parameter.  Change all callers.  Test whether object is NULL
7696         before calling a method on it.
7697         (Symbol_table::report_resolve_problem): Add defined parameter.
7698         Change all callers.
7699         (Symbol_table::should_override_with_special): Likewise.
7700         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7701         parameter.  Change all callers.
7702         (Symbol_table::do_define_in_output_data): Likewise.
7703         (Symbol_table::define_in_output_segment): Likewise.
7704         (Symbol_table::do_define_in_output_segment): Likewise.
7705         (Symbol_table::define_as_constant): Likewise.
7706         (Symbol_table::do_define_as_constant): Likewise.
7707         * script.h (class Symbol_assignment): Add is_defsym parameter to
7708         constructor; change all callers.
7709         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7710         parameter.  Change all callers.  Add is_defsym_ field.
7711         (class Parser_closure): Add parsing_defsym parameter to
7712         constructor; change all callers.  Add parsing_defsym accessor
7713         function.  Add parsing_defsym_ field.
7714
7715 2009-12-28  Ian Lance Taylor  <iant@google.com>
7716
7717         * gold.cc (queue_middle_tasks): Fix formatting.
7718         * object.cc (Relobj::is_section_name_included): Likewise.
7719
7720 2009-12-23  Ian Lance Taylor  <iant@google.com>
7721
7722         * i386.cc (Target_i386::do_calls_non_split): Recognize
7723         -fsplit-stack prologue for a function with a static chain.
7724         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7725         -fsplit-stack prologue when using %r11.
7726
7727 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7728
7729         * options.cc (General_options::parse_version): Make -v continue and do
7730         the link like GNU ld does.
7731
7732 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7733
7734         * Makefile.am (CCFILES): Add timer.cc.
7735         (HFILES): Add timer.h.
7736         * configure.ac: Check for sysconf and times.
7737         * main.cc: include timer.h.
7738         (main): Use Timer instead of get_run_time.
7739         * timer.cc: New.
7740         * timer.h: New.
7741         * workqueue.cc: include timer.h.
7742         (Workqueue::find_and_run_task):
7743         Report user, sys and wall time.
7744         * Makefile.in: Regenerate.
7745         * config.in: Regenerate.
7746         * configure: Regenerate.
7747
7748 2009-12-16  Doug Kwan  <dougkwan@google.com>
7749
7750         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7751         sections.
7752         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7753         relaxed input sections.
7754         * output.cc (Output_section::find_relaxed_input_section): Change
7755         return type to Output_relaxed_input_section pointer.  Adjust code
7756         for new type of relaxed_input_section_map_.
7757         * output.h (Output_section::find_relaxed_input_section): Change
7758         return type to Output_relaxed_input_section pointer.
7759         (Output_section::Output_relaxed_input_section_by_input_section_map):
7760         New type.
7761         (Output_section::relaxed_input_section_map_): Change type to
7762         Output_section::Output_relaxed_input_section_by_input_section_map.
7763         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7764         input section.
7765
7766 2009-12-15  Ian Lance Taylor  <iant@google.com>
7767
7768         * layout.cc (Layout::create_shstrtab): Only write out after input
7769         sections if we are compressing debug sections.
7770
7771 2009-12-15  Ian Lance Taylor  <iant@google.com>
7772
7773         * archive.cc (Archive::add_symbols): Only look up a symbol without
7774         a version if there is, in fact, a version.
7775
7776 2009-12-14  Ian Lance Taylor  <iant@google.com>
7777
7778         Revert -Wshadow changes, all changes from:
7779         2009-12-11  Doug Kwan  <dougkwan@google.com>
7780         2009-12-11  Nick Clifton  <nickc@redhat.com>
7781         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7782
7783 2009-12-11  Doug Kwan  <dougkwan@google.com>
7784
7785         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7786         due to -Wshadow.
7787         * attributes.cc (Object_attribute::size): Ditto.
7788         (Attributes_section_data::size): Ditto.
7789         (Attributes_section_data::Attributes_section_data): Ditto.
7790         (Output_attributes_section_data::do_write): Ditto.
7791         * attributes.h (Object_attribute::set_type): Ditto.
7792         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7793
7794 2009-12-11  Nick Clifton  <nickc@redhat.com>
7795
7796         * archive.cc: Fix shadowed variable warnings.
7797         * arm.cc: Likewise.
7798         * compressed_output.cc: Likewise.
7799         * compressed_output.h: Likewise.
7800         * configure: Likewise.
7801         * dwarf_reader.cc: Likewise.
7802         * dynobj.cc: Likewise.
7803         * dynobj.h: Likewise.
7804         * ehframe.cc: Likewise.
7805         * ehframe.h: Likewise.
7806         * errors.cc: Likewise.
7807         * expression.cc: Likewise.
7808         * fileread.cc: Likewise.
7809         * fileread.h: Likewise.
7810         * freebsd.h: Likewise.
7811         * i386.cc: Likewise.
7812         * icf.cc: Likewise.
7813         * incremental.h: Likewise.
7814         * layout.cc: Likewise.
7815         * layout.h: Likewise.
7816         * mapfile.cc: Likewise.
7817         * merge.cc: Likewise.
7818         * merge.h: Likewise.
7819         * object.cc: Likewise.
7820         * object.h: Likewise.
7821         * options.h: Likewise.
7822         * output.cc: Likewise.
7823         * output.h: Likewise.
7824         * parameters.cc: Likewise.
7825         * plugin.cc: Likewise.
7826         * powerpc.cc: Likewise.
7827         * reduced_debug_output.cc: Likewise.
7828         * reduced_debug_output.h: Likewise.
7829         * reloc.cc: Likewise.
7830         * reloc.h: Likewise.
7831         * resolve.cc: Likewise.
7832         * script-sections.cc: Likewise.
7833         * script.cc: Likewise.
7834         * script.h: Likewise.
7835         * sparc.cc: Likewise.
7836         * symtab.cc: Likewise.
7837         * symtab.h: Likewise.
7838         * target-select.cc: Likewise.
7839         * target-select.h: Likewise.
7840         * token.h: Likewise.
7841         * workqueue.cc: Likewise.
7842         * workqueue.h: Likewise.
7843         * x86_64.cc: Likewise.
7844
7845 2009-12-10  Doug Kwan  <dougkwan@google.com>
7846
7847         * arm.cc (attributes.h): New include.
7848         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7849         (Arm_relobj::~Arm_relobj): Delete object pointed by
7850         attributes_section_data_.
7851         (Arm_relobj::attributes_section_data): New method definition.
7852         (Arm_relobj::attributes_section_data_): New data member declaration.
7853         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7854         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7855         attributes_section_data_.
7856         (Arm_dynobj::attributes_section_data): New method definition.
7857         (Arm_dynobj::attributes_section_data_): New data member declaration.
7858         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7859         initialization value of may_use_blx_ to false.
7860         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7861         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7862         object attributes to compute results instead of hard-coding.
7863         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7864         Target_arm::get_secondary_compatible_arch,
7865         Target_arm::set_secondary_compatible_arch
7866         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7867         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7868         New method declarations.
7869         (Target_arm::get_aeabi_object_attribute): New method definition.
7870         (Target_arm::attributes_section_data_): New data member declaration.
7871         (read_arm_attributes_section): New template definition.
7872         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7873         (Arm_dynobj::do_read_symbols): Ditto.
7874         (Target_arm::do_finalize_sections): Merge attributes sections from
7875         input.  Check for BLX use after attributes section merging.
7876         Fix __exidx_start and __exidx_end visibility.  Create an
7877         .ARM.attributes section if necessary.
7878         (Target_arm::get_secondary_compatible_arch,
7879         Target_arm::set_secondary_compatible_arch,
7880         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7881         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7882         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7883         New method definitions.
7884
7885 2009-12-09  Ian Lance Taylor  <iant@google.com>
7886
7887         * plugin.cc (Plugin::load): Don't cast from void* to a function
7888         pointer.
7889
7890 2009-12-09  Ian Lance Taylor  <iant@google.com>
7891
7892         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7893         information fields.
7894
7895 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7896
7897         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7898         Replace two_file_shared_1.so with two_file_shared_2.so.
7899         * testsuite/Makefile.in: Regenerated.
7900
7901 2009-12-08  Doug Kwan  <dougkwan@google.com>
7902
7903         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7904         (HFILES): Add attributes.h and int_encoding.h.
7905         * Makefile.in: Regenerate.
7906         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7907         function definitions to int_encoding.cc
7908         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7909         prototypes to int_encoding.h
7910         * reduced_debug_output.cc (int_encoding.h): New include.
7911         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7912         function definitions to int_encoding.cc
7913         (insert_into_vector, read_from_pointer): Move template definitions to
7914         int_encoding.h
7915         * attributes.cc: New file.
7916         * attributes.h: New file.
7917         * int_encoding.cc: New file.
7918         * int_encoding.h: New file.
7919
7920 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7921
7922         PR gold/11055
7923         * incremental-dump.cc (dump_incremental_inputs): New.
7924         (main): Use dump_incremental_inputs.
7925
7926 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7927
7928         PR gold/10893
7929         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7930         checking elfcpp::STT_FUNC.
7931         (Target_i386::Relocate::relocate): Likewise.
7932         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7933
7934         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7935         symbols from shared libraries into normal FUNC symbols.
7936
7937         * symtab.h (Symbol): Add is_func and use it.
7938
7939 2009-12-05  Doug Kwan  <dougkwan@google.com>
7940
7941         * arm.cc (Target_arm::arm_info): Initialize new fields
7942         attributes_section and attributes_vendor.
7943         * i386.cc (Target_i386::i386_info): Same.
7944         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7945         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7946         fields attributes_section and attributes_vendor.
7947         * sparc.cc (Target_sparc::sparc_info): Same.
7948         * target.h (Target::attributes_section, Target::attributes_vendor,
7949         Target::is_attributes_section, Target::attribute_arg_type,
7950         Target::attributes_order): New method definitions.
7951         (Target::Target_info::attributes_section,
7952         Target::Target_info::attributes_vendor): New fields.
7953         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7954         virtual method definitions.
7955         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7956         attributes_section and attributes_vendor.
7957         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7958
7959 2009-12-05  Doug Kwan  <dougkwan@google.com>
7960
7961         * arm.cc: Update comments about interworking and stub generation.
7962         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7963         considered as non-PIC.
7964         (Arm_relocate_functions::base_abs): Fix formatting.
7965         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7966         of function to use GOT entry address instead of offset.
7967         (Target_arm::Scan::global): Issue an error if a symbol would need a
7968         PLT does not get one because it is untyped.  Remove code to create
7969         dynamic symbols for relative branches.
7970         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7971         takes unsigned integer instead of boolean.
7972
7973 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7974
7975         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7976         (two_file_test_LDADD): Likewise.
7977         (common_test_1_LDADD): Likewise.
7978         (exception_test_LDADD) Likewise.
7979         (weak_test_LDADD): Likewise.
7980         (many_sections_test_LDADD): Likewise.
7981         (initpri1_LDADD): Likewise.
7982         (script_test_1_LDADD): Likewise.
7983         (script_test_2_LDADD): Likewise.
7984         (justsyms_LDADD): Likewise.
7985         (binary_test_LDADD): Likewise.
7986         (large_LDADD): Likewise.
7987         * testsuite/Makefile.in: Regenerated.
7988
7989 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7990
7991         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7992         (Symbol_table::override_with_special): Likewise.
7993         (Symbol_table::add_from_object): Likewise.
7994
7995 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7996
7997         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7998         Don't set the data_offset twice.
7999
8000 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8001
8002         * testsuite/Makefile.in: Regenerate.
8003
8004 2009-12-03  Doug Kwan  <dougkwan@google.com>
8005
8006         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
8007         (Target_arm::do_finalize_sections): Add parameter for symbol table
8008         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
8009         * i386.cc (Target_i386::do_finalize_sections): Add an additional
8010         parameter for symbol table pointer.
8011         * layout.cc (Layout::finalize): Call Target::finalize_sections with
8012         an additional parameter for a pointer to symbol table.
8013         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
8014         parameter for a symbol table pointer.
8015         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
8016         * target.h (Target::finalize_sections, Target::do_finalize_sections):
8017         Ditto.
8018         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
8019         parameter for a symbol table pointer.
8020
8021 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
8022
8023         * incremental.cc (Incremental_inputs_header)
8024         (Incremental_inputs_header_write, Incremental_inputs_entry)
8025         (Incremental_inputs_entry_write): Move ...
8026         * incremental.h (Incremental_inputs_header)
8027         (Incremental_inputs_header_write, Incremental_inputs_entry)
8028         (Incremental_inputs_entry_write): here.
8029
8030 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8031
8032         * incremental.cc (make_sized_incremental_binary): Set the target.
8033         Error if it is incompatible.
8034         * output.h (Output_file): Add filename method.
8035
8036 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8037
8038         * incremental.cc (Incremental_inputs_entry): Remove unused argument
8039         from the get_* methods.
8040
8041 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8042
8043         * incremental-dump.cc (main): Check that the offeset of a script is 0.
8044         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8045         Write 0 for the data_offset of scripts.
8046
8047 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8048
8049         * testsuite/Makefile.am: Add the incremental_test.sh test.
8050         * testsuite/incremental_test.sh: New.
8051         * testsuite/incremental_test_1.c: New.
8052         * testsuite/incremental_test_2.c: New.
8053
8054 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
8055
8056        * incremental-dump.cc (main): Fix typos.
8057
8058 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
8059
8060         PR gold/11025
8061         * incremental-dump.cc (main): Use llu to print 64 bit values.
8062
8063 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
8064             H.J. Lu  <hongjiu.lu@intel.com>
8065
8066         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
8067         $(LIBDL).
8068         (incremental_dump_LDADD): Likewise.
8069         * Makefile.in: Regenerated.
8070
8071 2009-11-25  Doug Kwan  <dougkwan@google.com>
8072
8073         Revert:
8074
8075         2009-11-25  Doug Kwan  <dougkwan@google.com>
8076
8077                 * arm.cc (Target_arm::Target_arm): Move method definition
8078                 outside of class definition.  Add code to handle
8079                 --target1-rel, --target1-abs and --target2= options.
8080                 (Target_arm::get_reloc_reloc_type): Change method to be
8081                 non-static and const.
8082                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
8083                 New data member declaration.
8084                 (Target_arm::Scan::local, Target_arm::Scan::global,
8085                 Target_arm::Relocate::relocate,
8086                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8087                 Adjust call to Target_arm::get_real_reloc_type.
8088                 (Target_arm::get_real_reloc_type): Use command line options
8089                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8090                 * options.h (--target1-rel, --target1-abs, --target2): New
8091                 ARM-only options.
8092
8093 2009-11-25  Doug Kwan  <dougkwan@google.com>
8094
8095         * arm.cc (Target_arm::Target_arm): Move method definition outside of
8096         class definition.  Add code to handle --target1-rel, --target1-abs
8097         and --target2= options.
8098         (Target_arm::get_reloc_reloc_type): Change method to be non-static
8099         and const.
8100         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
8101         member declaration.
8102         (Target_arm::Scan::local, Target_arm::Scan::global,
8103         Target_arm::Relocate::relocate,
8104         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8105         call to Target_arm::get_real_reloc_type.
8106         (Target_arm::get_real_reloc_type): Use command line options to
8107         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8108         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
8109         options.
8110
8111 2009-11-25  Doug Kwan  <dougkwan@google.com>
8112
8113         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
8114         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
8115         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
8116         formatting.
8117         (Arm_relocate_functions::thm_call): Replace body with a call to
8118         Arm_relocate_functions::thumb_branch_common.
8119         (Arm_relocate_functions::thm_jump24,
8120         Arm_relocate_functions::thm_xpc22): New method definitions.
8121         (Arm_relocate_functions::thumb_branch_common): New method definition.
8122         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8123         operator.
8124         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8125         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8126
8127 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8128
8129         * Makefile.am: Build incremental-dump
8130         * Makefile.in: Regenerate.
8131         * incremental-dump.cc: New.
8132         * incremental.cc (Incremental_inputs_header_data,
8133         Incremental_inputs_entry_data): Move to incremental.h
8134         * incremental.h: (Incremental_inputs_header_data,
8135         Incremental_inputs_entry_data): Move from incremental.cc
8136
8137 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8138
8139         * incremental.cc (Incremental_inputs_header,
8140         Incremental_inputs_header_write, Incremental_inputs_entry,
8141         Incremental_inputs_entry_write): Add a typedef with the data type.
8142
8143 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8144
8145         * incremental.cc (Incremental_inputs_header,
8146         Incremental_inputs_header_write, Incremental_inputs_entry,
8147         Incremental_inputs_entry_write): Update comment about which
8148         type has the filed descriptions.
8149
8150 2009-11-15  Doug Kwan  <dougkwan@google.com>
8151
8152         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8153         (Arm_relocate_functions::arm_branch_common): Change method defintion
8154         in class definition to a method declaration and update list of formal
8155         parameters.
8156         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8157         Arm_relocation_functions::jump24): Adjust call to
8158         Arm_relocate_functions::arm_branch_common.  Update list of formal
8159         parameters.
8160         (Arm_relocate_functions::xpc25): New method definition.
8161         (Arm_relocate_functions::arm_branch_common): Move method defintion
8162         out from class definition.  Use stubs for mode-switching and extending
8163         branch ranges.
8164         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8165         specially.  Change code to enable use of stubs in ARM branches.
8166
8167 2009-11-10  Doug Kwan  <dougkwan@google.com>
8168
8169         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8170         in method declaration.
8171         (Target_arm::relocate_stub): New method declaration.
8172         (Target_arm::default_target): Change to return a pointer instead of
8173         a const reference.
8174         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8175         Target_arm::default_target.
8176         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8177         method definition.
8178         (Target_arm::relocate_section): Adjust view.
8179         (Target_arm::relocate_stub): New method definition.
8180
8181 2009-11-10  Doug Kwan  <dougkwan@google.com>
8182
8183         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8184         a format warning.
8185         * incremental.cc (open_incremental_binary): Initialized local
8186         variables to avoid warnings.
8187         * object.cc (make_elf_object): Ditto.
8188         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8189         a format warning.
8190
8191 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8192
8193         PR gold/10930
8194         * testsuite/plugin_test.c: Include "config.h".
8195
8196 2009-11-09  Doug Kwan  <dougkwan@google.com>
8197
8198         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8199         (arm_symbol_value): Remove.
8200         (Arm_relocate_functions::arm_branch_common,
8201         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8202         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8203         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8204         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8205         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8206         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8207         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8208         Arm_relocate_functions::thm_mobw_abs_nc,
8209         Arm_relocate_functions::thm_mov_abs,
8210         Arm_relocate_functions::movw_prel_nc,
8211         Arm_relocate_functions::thm_movt_abs,
8212         Arm_relocate_functions::movt_prel,
8213         Arm_relocate_functions::thm_movw_prel_nc,
8214         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8215         (Target_arm::Relocate::relocate): Only decompose address into two
8216         parts if relocation type uses the thumb-bit and pass the actual
8217         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8218         calls to methods in Arm_relocate_functions for this change.
8219
8220 2009-11-08  Ian Lance Taylor  <iant@google.com>
8221
8222         PR 10925
8223         * reloc.cc: Instantiate
8224         Sized_relobj::initialize_input_to_output_maps and
8225         Sized_relobj:free_input_to_output_maps.
8226
8227 2009-11-06  Ian Lance Taylor  <iant@google.com>
8228
8229         PR 10876
8230         * defstd.cc (in_segment): Set only_if_ref true for "end".
8231
8232 2009-11-06  Doug Kwan  <dougkwan@google.com>
8233
8234         * arm.cc (class Reloc_stub): Correct a comment.
8235         (Target_arm::Target_arm): Initialize arm_input_section_map_.
8236         (Target_arm::scan_section_for_stubs): New method declaration.
8237         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
8238         Change methods from private to protected.
8239         (Target_arm::do_may_relax): New method definition.
8240         (Target_arm::do_relax, Target_arm::group_sections,
8241         Target_arm::scan_reloc_for_stub,
8242         Target_arm::scan_reloc_section_for_stubs): New method declarations.
8243         (Target_arm::arm_input_section_map_): New data member declaration.
8244         (Target_arm::scan_reloc_for_stub,
8245         Target_arm::scan_reloc_section_for_stubs,
8246         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
8247         Target_arm::do_relax): New method definitions.
8248
8249 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
8250
8251         * configure.ac: Check for (struct stat)::st_mtim
8252         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
8253         * config.in: Regenerate.
8254         * configure: Regenerate.
8255
8256 2009-11-05  Ian Lance Taylor  <iant@google.com>
8257
8258         PR 10910
8259         * output.cc (Output_segment::add_output_section): Add missing
8260         return statement.
8261
8262 2009-11-04  Ian Lance Taylor  <iant@google.com>
8263
8264         PR 10880
8265         * object.h (class Object): Add is_needed and set_is_needed
8266         methods.  Add is_needed_ field.  Make bool fields into bitfields.
8267         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
8268         defined in a dynamic object and referenced by a regular object,
8269         set is_needed for the dynamic object.
8270         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
8271         if the file is marked with as_needed and it is not needed.
8272
8273 2009-11-04  Ian Lance Taylor  <iant@google.com>
8274
8275         PR 10887
8276         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
8277         tags if data is discarded by linker script.
8278         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8279         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8280         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8281         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8282
8283 2009-11-04  Ian Lance Taylor  <iant@google.com>
8284
8285         * layout.cc (Layout::get_output_section): Add is_interp and
8286         is_dynamic_linker_section parameters.  Change all callers.
8287         (Layout::choose_output_section): Likewise.
8288         (Layout::make_output_section): Likewise.
8289         (Layout::add_output_section_data): Add is_dynamic_linker_section
8290         parameter.  Change all callers.
8291         * layout.h (class Layout): Update declarations.
8292         * output.h (class Output_section): Add is_interp, set_is_interp,
8293         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
8294         Add is_interp_, is_dynamic_linker_section_ fields.  Change
8295         generate_code_fills_at_write_ to a bitfield.
8296         * output.cc (Output_section::Output_sections): Initialize new
8297         fields.
8298         (Output_segment::add_output_section): Add do_sort parameter.
8299         Change all callers.
8300
8301 2009-11-03  Ian Lance Taylor  <iant@google.com>
8302
8303         PR 10860
8304         * options.h (class General_options): Add --warn-common.
8305         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
8306         merging two common symbols.
8307         (Symbol_table::should_override): Handle --warn-common when merging
8308         a common symbol with a defined symbol.  Use report_resolve_problem
8309         for multiple definitions.
8310         (Symbol_table::report_resolve_problem): New function.
8311         * symtab.h (class Symbol_table): Declare report_resolve_problem.
8312
8313 2009-11-03  Doug Kwan  <dougkwan@google.com>
8314
8315         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
8316         stub_factory_.
8317         (Target_arm::stub_factory): New method definition.
8318         (Target_arm::new_arm_input_section,
8319         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
8320         Target_arm::reloc_uses_thumb_bit): New method declarations.
8321         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
8322         New type definitions.
8323         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
8324         member declarations.
8325         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
8326         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
8327         New method definitions.
8328
8329 2009-11-03  Ian Lance Taylor  <iant@google.com>
8330
8331         * options.h (class General_options): Add --warn_constructors.
8332
8333 2009-11-03  Ian Lance Taylor  <iant@google.com>
8334
8335         PR 10893
8336         * defstd.cc (in_section): Add entries for __rel_iplt_start,
8337         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
8338
8339 2009-11-03  Ian Lance Taylor  <iant@google.com>
8340
8341         PR 10895
8342         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
8343         --msgid-bugs-address.
8344         (install-pdf): New target.
8345         (install-data_yes): Look up one directory to find mkinstalldirs.
8346
8347 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
8348
8349         * po/Make-in (.po.gmo): Don't generate .gmo files in source
8350         tree.
8351
8352 2009-10-30  Doug Kwan  <dougkwan@google.com>
8353
8354         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
8355
8356 2009-10-30  Doug Kwan  <dougkwan@google.com>
8357
8358         * arm.cc (Stub_addend_reader): New struct template definition
8359         and partial specializations.
8360         (Stub_addend_reader::operator()): New method definition for a
8361         partially specialized template.
8362
8363 2009-10-30  Doug Kwan  <dougkwan@google.com>
8364
8365         * arm.cc (Arm_relobj::processor_specific_flags): New method
8366         definition.
8367         (Arm_relobj::do_read_symbols): New method declaration.
8368         (Arm_relobj::processor_specific_flags_): New data member declaration.
8369         (Arm_dynobj): New class definition.
8370         (Target_arm::do_finalize_sections): Add input_objects parameter.
8371         (Target_arm::do_adjust_elf_header): New method declaration.
8372         (Target_arm::are_eabi_versions_compatible,
8373         (Target_arm::merge_processor_specific_flags): New method declaration.
8374         (Target_arm::do_make_elf_object): New overloaded method definitions
8375         and declaration.
8376         (Arm_relobj::do_read_symbols): New method definition.
8377         (Arm_dynobj::do_read_symbols): Ditto.
8378         (Target_arm::do_finalize_sections): Add input_objects parameters.
8379         Merge processor-specific flags from all input objects.
8380         (Target_arm::are_eabi_versions_compatible,
8381         Target_arm::merge_processor_specific_flags,
8382         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
8383         New method definitions.
8384         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
8385         Input_objects pointer type parameter.
8386         * layout.cc (Layout::finalize): Pass input objects to target's.
8387         finalize_sections function.
8388         * output.cc (Output_file_header::do_sized_write): Set ELF file
8389         header's processor-specific flags.
8390         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
8391         Input_objects pointer type parameter.
8392         * sparc.cc (Target_sparc::do_finalize_sections): Same.
8393         * target.h (Input_objects): New forward class declaration.
8394         (Target::processor_specific_flags,
8395         Target::are_processor_specific_flags_sect): New method definitions.
8396         (Target::finalize_sections): Add input_objects parameter.
8397         (Target::Target): Initialize processor_specific_flags_ and
8398         are_processor_specific_flags_set_.
8399         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
8400         parameter.
8401         (Target::set_processor_specific_flags): New method definition.
8402         (Target::processor_specific_flags_,
8403         Target::are_processor_specific_flags_set_): New data member
8404         declarations.
8405         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
8406         Input_objects pointer type parameter.
8407
8408 2009-10-30  Doug Kwan  <dougkwan@google.com>
8409
8410         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
8411
8412 2009-10-28  Ian Lance Taylor  <iant@google.com>
8413
8414         * object.h (class Relobj): Drop options parameter from
8415         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
8416         do_scan_relocs, do_relocate.  Change all callers.
8417         (class Sized_relobj): Drop options parameters from
8418         do_gc_process_relocs, do_scan_relocs, do_relocate,
8419         do_relocate_sections, relocate_sections, emit_relocs_scan,
8420         emit_relocs_scan_reltype.  Change all callers.
8421         (struct Relocate_info): Remove options field and all references to
8422         it.
8423         * reloc.h (class Read_relocs): Remove options constructor
8424         parameter and options_ field.  Change all callers.
8425         (class Gc_process_relocs, class Scan_relocs): Likewise.
8426         (class Relocate_task): Likewise.
8427         * target-reloc.h (scan_relocs): Remove options parameter.  Change
8428         all callers.
8429         (scan_relocatable_relocs): Likewise.
8430         * target.h (class Sized_target): Remove options parameter from
8431         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
8432         all callers.
8433         * gc.h (gc_process_relocs): Remove options parameter.  Change all
8434         callers.
8435         * arm.cc: Update functions to remove options parameters.
8436         * i386.cc: Likewise.
8437         * powerpc.cc: Likewise.
8438         * sparc.cc: Likewise.
8439         * x86_64.cc: Likewise.
8440         * testsuite/testfile.cc: Likewise.
8441
8442 2009-10-28  Doug Kwan  <dougkwan@google.com>
8443
8444         * arm.cc (Arm_relobj): New class definition.
8445         (Arm_relobj::scan_sections_for_stubs,
8446         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
8447         New method definitions.
8448
8449 2009-10-28  Cary Coutant  <ccoutant@google.com>
8450
8451         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
8452         (Plugin::cleanup_done_): New member.
8453         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
8454         (Plugin_manager::cleanup_done_): Remove.
8455         (Plugin_manager::add_input_file): Edit error message.
8456         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
8457         (Plugin_manager::cleanup): Remove use of cleanup_done_.
8458
8459 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
8460
8461         * fileread.cc: (File_read::View::~View): Use the new
8462         data_ownership_ filed.
8463         (File_read::~File_read): Dispose the new whole_file_view_.
8464         (File_read::open): Mmap the whole file if needed.
8465         (File_read::open): Use whole_file_view_ instead of contents_.
8466         (File_read::find_view): Use whole_file_view_ if applicable.
8467         (File_read::do_read): Use whole_file_view_ instead of contents_.
8468         (File_read::make_view): Use whole_file_view_ instead of contents_,
8469         update File_read::View::View call.
8470         (File_read::find_or_make_view): Update File_read::View::View
8471         call.
8472         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
8473         remove contents_
8474         (File_read::View::Data_ownership): New enum.
8475         (File_read::View::View): Replace bool mapped_ with Data_ownership
8476         argument.
8477         (File_read::View::mapped_): Remove (replaced by data_ownership_).
8478         (File_read::View::data_ownership_): New field.
8479         (File_read::contents_): Remove (replaced by whole_file_view_).
8480         (File_read::whole_file_view_): New field.
8481         * options.h (class General_options): Add --keep-files-mapped.
8482
8483 2009-10-27  Cary Coutant  <ccoutant@google.com>
8484
8485         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
8486         * testsuite/Makefile.am (plugin_test_5): New test case.
8487         * testsuite/Makefile.in: Regenerate.
8488
8489 2009-10-25  Doug Kwan  <dougkwan@google.com>
8490
8491         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
8492         from private to protected to allow access by child class.
8493         (Sized_relobj::do_relocate_sections): New method declaration.
8494         (Sized_relobj::relocate_sections): Virtualize.
8495         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
8496         Sized_relobj::relocate_sections.  Instantiate template explicitly
8497         for different target sizes and endianity.
8498
8499 2009-10-24  Doug Kwan  <dougkwan@google.com>
8500
8501         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
8502         (Arm_input_section::as_arm_input_section): New method.
8503         (Arm_output_section): New class definition.
8504         (Arm_output_section::create_stub_group,
8505         Arm_output_section::group_sections): New method definitions.
8506
8507 2009-10-22  Doug Kwan  <dougkwan@google.com>
8508
8509         * arm.cc (Arm_input_section): New class definition.
8510         (Arm_input_section::init, Arm_input_section:do_write,
8511         Arm_input_section::set_final_data_size,
8512         Arm_input_section::do_reset_address_and_file_offset): New method
8513         definitions.
8514
8515 2009-10-21  Doug Kwan  <dougkwan@google.com>
8516
8517         * arm.cc (Stub_table, Arm_input_section): New forward class
8518         declarations.
8519         (Stub_table): New class defintion.
8520         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
8521         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
8522         New method definition.
8523
8524 2009-10-21  Doug Kwan  <dougkwan@google.com>
8525
8526         * arm.cc: Update copyright comments.
8527         (Target_arm): New forward class template declaration.
8528         (Arm_address): New type.
8529         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8530         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8531         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8532         constants.
8533         (Insn_template): Same.
8534         (DEF_STUBS): New macro.
8535         (Stub_type): New enum type.
8536         (Stub_template): New class definition.
8537         (Stub): Same.
8538         (Reloc_stub): Same.
8539         (Stub_factory): Same.
8540         (Target_arm::Target_arm): Initialize may_use_blx_ and
8541         should_force_pic_veneer_.
8542         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8543         Target_arm::should_force_pic_veneer,
8544         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8545         Target_arm::using_thumb_only, Target_arm:;default_target): New
8546         method defintions.
8547         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8548         New data member declarations.
8549         (Insn_template::size, Insn_template::alignment): New method defintions.
8550         (Stub_template::Stub_template): New method definition.
8551         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8552         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8553         (Stub_factory::Stub_factory): New method definition.
8554         * gold.h (string_hash): New template.
8555         * output.h (Input_section_specifier::hash_value): Use
8556         gold::string_hash.
8557         (Input_section_specifier::string_hash): Remove.
8558         * stringpool.cc (Stringpool_template::string_hash): Use
8559         gold::string_hash.
8560
8561 2009-10-20  Doug Kwan  <dougkwan@google.com>
8562
8563         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8564         symbols of relaxed input sections.
8565         * output.h (Output_section::find_relaxed_input_section): Make
8566         method public.
8567
8568 2009-10-16  Doug Kwan  <dougkwan@google.com>
8569
8570         * dynobj.cc (Versions::Versions): Initialize version_script_.
8571         Only insert base version symbol definition for a shared object
8572         if version script defines any version versions.
8573         (Versions::define_base_version): New method definition.
8574         (Versions::add_def): Check that base version is not needed.
8575         (Versions::add_need): Define base version lazily.
8576         * dynobj.h (Versions::define_base_version): New method declaration.
8577         (Versions::needs_base_version_): New data member declaration.
8578         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8579         (check_DATA): Add no_version_test.stdout.
8580         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8581         New make rules.
8582         * testsuite/Makefile.in: Regenerate.
8583         * testsuite/no_version_test.c: New file.
8584         * testsuite/no_version_test.sh: Ditto.
8585
8586 2009-10-16  Doug Kwan  <dougkwan@google.com>
8587
8588         * expression.cc (class Segment_start_expression): New class definition.
8589         (Segment_start_expression::value): New method definition.
8590         (script_exp_function_segment_start): Return a new
8591         Segment_start_expression.
8592         * gold/script-c.h (script_saw_segment_start_expression): New function
8593         prototype.
8594         * script-sections.cc (Script_sections::Script_sections): Initialize
8595         SAW_SEGMENT_START_EXPRESSION_ to false.
8596         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8597         and -Tbbs options to specify section addresses if given in
8598         command line and no SEGMENT_START expression is seen in a script.
8599         * script-sections.h (Script_sections::saw_segment_start_expression,
8600         Script_sections::set_saw_segment_start_expression): New method
8601         definition.
8602         (Script_sections::saw_segment_start_expression_): New data member
8603         declaration.
8604         * script.cc (script_saw_segment_start_expression): New function.
8605         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8606         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8607         script_test_7.sh and script_test_8.sh.
8608         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8609         script_test_8.stdout.
8610         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8611         (script_test_6, script_test_6.stdout, script_test_7,
8612         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8613         * Makefile.in: Regenerate.
8614         * testsuite/script_test_6.sh: New file.
8615         * testsuite/script_test_6.t: Same.
8616         * testsuite/script_test_7.sh: Same.
8617         * testsuite/script_test_7.t: Same.
8618         * testsuite/script_test_8.sh: Same.
8619
8620 2009-10-16  Doug Kwan  <dougkwan@google.com>
8621
8622         * output.cc (Output_segment::set_section_list_address): Cast
8623         expressions to unsigned long long type to avoid format warnings.
8624
8625 2009-10-15  Ian Lance Taylor  <iant@google.com>
8626
8627         * script.cc (Script_options::add_symbol_assignment): Always add a
8628         dot assignment to script_sections_.
8629         * script-sections.cc (Script_sections::add_dot_assignment):
8630         Initialize if necessary.
8631
8632         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8633         program headers with no load segment if there is a linker script.
8634
8635         * layout.cc (Layout::set_segment_offsets): Align the file offset
8636         to the segment aligment for -N or -n with no load segment.
8637         * output.cc (Output_segment::add_output_section): Don't crash if
8638         the first section is a TLS section.
8639         (Output_segment::set_section_list_addresses): Print an error
8640         message if the address moves backward in a linker script.
8641         * script-sections.cc
8642         (Output_section_element_input::set_section_addresses): Don't
8643         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8644         (Orphan_output_section::set_section_addresses): Likewise.
8645
8646 2009-10-15  Doug Kwan  <dougkwan@google.com>
8647
8648         * layout.cc (Layout::finish_dynamic_section): Generate tags
8649         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8650         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8651         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8652
8653 2009-10-14  Ian Lance Taylor  <iant@google.com>
8654
8655         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8656         fields.
8657         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8658         data_shdr fields of relinfo.
8659         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8660         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8661         R_386_TLS_LDO_32, adjust based on section flags.
8662         (Target_i386::Relocate::fix_up_ldo): Remove.
8663
8664 2009-10-13  Ian Lance Taylor  <iant@google.com>
8665
8666         Add support for -pie.
8667         * options.h (class General_options): Add -pie and
8668         --pic-executable.
8669         (General_options::output_is_position_independent): Test -pie.
8670         (General_options::output_is_executable): Return true if not shared
8671         and not relocatable.
8672         (General_options::output_is_pie): Remove.
8673         * options.cc (General_options::finalize): Reject incompatible uses
8674         of -pie.
8675         * gold.cc (queue_middle_tasks): A -pie link is not static.
8676         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8677         * symtab.cc (Symbol::final_value_is_known): Return false if
8678         output_is_position_independent.
8679         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8680         output_is_position_independent.
8681         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8682         output_is_position_independent.
8683         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8684         output_is_position_independent.
8685         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8686         two_file_pie_test.
8687         (basic_pie_test.o, basic_pie_test): New targets.
8688         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8689         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8690         (two_file_pie_test): New target.
8691         * testsuite/Makefile.in: Rebuild.
8692         * README: Remove note saying that -pie is not supported.
8693
8694 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8695
8696         * options.h (class General_options): Add -init and -fini.
8697         * layout.cc (Layout::finish_dynamic_section): Emit
8698         given init and fini functions.
8699
8700 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8701
8702         * gc.h (gc_process_relocs): Check if icf is enabled using new
8703         function.
8704         * gold.cc (queue_initial_tasks): Likewise.
8705         (queue_middle_tasks): Likewise.
8706         * object.cc (do_layout): Likewise.
8707         * symtab.cc (is_section_folded): Likewise.
8708         * main.cc (main): Likewise.
8709         * reloc.cc (Read_relocs::run): Likewise.
8710         (Sized_relobj::do_scan_relocs): Likewise.
8711         * icf.cc (is_function_ctor_or_dtor): New function.
8712         (Icf::find_identical_sections): Check if function is ctor or dtor when
8713         safe icf is chosen.
8714         * options.h (General_options::icf): Change option to be an enum.
8715         (Icf_status): New enum.
8716         (icf_enabled): New method.
8717         (icf_safe_folding): New method.
8718         (set_icf_status): New method.
8719         (icf_status_): New variable.
8720         * (options.cc) (General_options::finalize): Set icf_status_.
8721         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8722         icf_test and icf_keep_unique_test to use the --icf enum flag.
8723         * testsuite/icf_safe_test.sh: New file.
8724         * testsuite/icf_safe_test.cc: New file.
8725
8726 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8727
8728         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8729         includes to gc.h and icf.h.
8730         * arm.cc: Include gc.h.
8731         * gold.cc: Likewise.
8732         * i386.cc: Likewise.
8733         * powerpc.cc: Likewise.
8734         * sparc.cc: Likewise.
8735         * x86_64.cc: Likewise.
8736         * gc.h: Include icf.h.
8737
8738 2009-10-11  Ian Lance Taylor  <iant@google.com>
8739
8740         * plugin.cc: Include "gold.h" before other header files.
8741
8742 2009-10-10  Chris Demetriou  <cgd@google.com>
8743
8744         * options.h (Input_file_argument::Input_file_type): New enum.
8745         (Input_file_argument::is_lib_): Replace with...
8746         (Input_file_argument::type_): New member.
8747         (Input_file_argument::Input_file_argument): Take Input_file_type
8748         'type' rather than boolean 'is_lib' as second argument.
8749         (Input_file_argument::is_lib): Use type_.
8750         (Input_file_argument::is_searched_file): New function.
8751         (Input_file_argument::may_need_search): Handle is_searched_file.
8752         * options.cc (General_options::parse_library): Support -l:filename.
8753         (General_options::parse_just_symbols): Update for Input_file_argument
8754         changes.
8755         (Command_line::process): Likewise.
8756         * archive.cc (Archive::get_file_and_offset): Likewise.
8757         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8758         * script.cc (read_script_file, script_add_file): Likewise.
8759         * fileread.cc (Input_file::Input_file): Likewise.
8760         (Input_file::will_search_for): Handle is_searched_file.
8761         (Input_file::open): Likewise.
8762         * readsyms.cc (Read_symbols::get_name): Likewise.
8763         * testsuite/Makefile.am (searched_file_test): New test.
8764         * testsuite/Makefile.in: Regenerate.
8765         * testsuite/searched_file_test.cc: New file.
8766         * testsuite/searched_file_test_lib.cc: New file.
8767
8768 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8769             Ian Lance Taylor  <iant@google.com>
8770
8771         * descriptor.cc: Include <cstdio> and "binary-io.h".
8772         (Descriptors::open): Open the files in binary mode always.
8773         * script.cc (Lex::get_token): Treat \r as whitespace.
8774
8775 2009-10-09  Ian Lance Taylor  <iant@google.com>
8776
8777         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8778
8779 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8780             Ian Lance Taylor  <iant@google.com>
8781
8782         * configure.ac: Check for readv function also.
8783         * fileread.cc (readv): Define if not HAVE_READV.
8784         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8785         does not exist.
8786         * config.in: Regenerate.
8787         * configure: Regenerate.
8788
8789 2009-10-09  Doug Kwan  <dougkwan@google.com>
8790
8791         * layout.cc (Layout::make_output_section): Call target hook to make
8792         ordinary output section.
8793         (Layout::finalize): Adjust parameter list of call the
8794         Target::may_relax().
8795         * layout.h (class Layout::section_list): New method.
8796         * merge.h (Output_merge_base::entsize): Change visibility to public.
8797         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8798         New methods.
8799         (Output_merge_string::do_is_string): New method.
8800         * object.cc (Sized_relobj::do_setup): renamed from
8801         Sized_relobj::set_up.
8802         * object.h (Sized_relobj::adjust_shndx,
8803         Sized_relobj::initializ_input_to_output_maps,
8804         Sized_relobj::free_input_to_output_maps): Change visibilities to
8805         protected.
8806         (Sized_relobj::setup): Virtualize.
8807         (Sized_relobj::do_setup): New method declaration.
8808         (Sized_relobj::invalidate_section_offset,
8809         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8810         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8811         * options.cc (parse_int): New function.
8812         * options.h (parse_int): New declaration.
8813         (DEFINE_int): New macro.
8814         (stub_group_size): New option.
8815         * output.cc (Output_section::Output_section): Initialize memebers
8816         merge_section_map_, merge_section_by_properties_map_,
8817         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8818         (Output_section::add_input_section): Handled deferred code-fill
8819         generation and remove an old comment.
8820         (Output_section::add_relaxed_input_section): New method definition.
8821         (Output_section::add_merge_input_section): Use merge section by
8822         properties map to speed to search.  Update merge section maps
8823         as appropriate.
8824         (Output_section::build_relaxation_map): New method definition.
8825         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8826         Same.
8827         (Output_section::relax_input_section): Renamed to
8828         Output_section::convert_input_sections_to_relaxed_sections and change
8829         interface to take a vector of pointers to relaxed sections.
8830         (Output_section::find_merge_section,
8831         Output_section::find_relaxed_input_section): New method definitions.
8832         (Output_section::is_input_address_mapped,
8833         Output_section::output_offset, Output_section::output_address):
8834         Use output section data maps to speed up searching.
8835         (Output_section::find_starting_output_address): Add comments.
8836         (Output_section::do_write,
8837         Output_section::write_to_postprocessing_buffer): Do code-fill
8838         generation as appropriate.
8839         (Output_section::get_input_sections): Invalidate relaxed input section
8840         map.
8841         (Output_section::restore_states): Adjust type of checkpoint .
8842         Invalidate relaxed input section map.
8843         * output.h (Output_merge_base): New class declaration.
8844         (Input_section_specifier): New class defintion.
8845         (class Output_relaxed_input_section) Change base class to
8846         Output_section_data_build.
8847         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8848         base class initializer.
8849         (Output_section::add_relaxed_input_section): New method declaration.
8850         (Output_section::Input_section): Change visibility to protected.
8851         (Output_section::Input_section::relobj,
8852         Output_section::Input_section::shndx): Handle relaxed input sections.
8853         Output_section::input_sections) Change visibility to protected.  Also
8854         define overload to return a non-const pointer.
8855         (Output_section::Merge_section_properties): New class defintion.
8856         (Output_section::Merge_section_by_properties_map,
8857         Output_section::Output_section_data_by_input_section_map,
8858         Output_section::Relaxation_map): New types.
8859         (Output_section::relax_input_section): Rename method to
8860         Output_section::convert_input_sections_to_relaxed_sections and change
8861         interface to take a vector of relaxed section pointers.
8862         (Output_section::find_merge_section,
8863         Output_section::find_relaxed_input_section,
8864         Output_section::build_relaxation_map,
8865         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8866         New method declarations.
8867         (Output_section::merge_section_map_
8868         Output_section::merge_section_by_properties_map_,
8869         Output_section::relaxed_input_section_map_,
8870         Output_section::is_relaxed_input_section_map_valid_,
8871         Output_section::generate_code_fills_at_write_): New data members.
8872         * script-sections.cc
8873         (Output_section_element_input::set_section_addresses): Call
8874         current_data_size and addralign methods of relaxed input sections.
8875         (Orphan_output_section::set_section_addresses): Call current_data_size
8876         and addralign methods of relaxed input sections.
8877         * symtab.cc (Symbol_table::compute_final_value): Extract template
8878         from the body of Symbol_table::sized_finalize_symbol.
8879         (Symbol_table::sized_finalized_symbol): Call
8880         Symbol_table::compute_final_value.
8881         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8882         (Symbol_table::compute_final_value): New templated method declaration.
8883         * target.cc (Target::do_make_output_section): New method defintion.
8884         * target.h (Target::make_output_section): New method declaration.
8885         (Target::relax): Add more parameters for input objects, symbol table
8886         and layout.  Adjust call to do_relax.
8887         (Target::do_make_output_section): New method declaration.
8888         (Target::do_relax): Add parameters for input objects, symbol table
8889         and layout.
8890
8891 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8892
8893         * pread.c: Include stdio.h.
8894
8895 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8896
8897         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8898         defined.
8899
8900 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8901
8902         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8903         Change read_shndx type to unsigned int.
8904         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8905         int.
8906         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8907         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8908         Change read_shndx type to unsigned int.
8909         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8910         int.
8911         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8912         * layout.cc (Layout::create_symtab_sections): Cast the result of
8913         local_symcount * symsize to off_t in the gold_assert.
8914
8915 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8916
8917         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8918         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8919         R_ARM_BASE_ABS.
8920         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8921         (Arm_relocate_functions::thm_abs5): New function.
8922         (Arm_relocate_functions::abs12): New function.
8923         (Arm_relocate_functions::abs16): New function.
8924         (Arm_relocate_functions::base_abs): New function.
8925         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8926         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8927         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8928         R_ARM_BASE_ABS.
8929         (Scan::global): Likewise.
8930         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8931         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8932         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8933         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8934         R_ARM_BASE_ABS.
8935
8936 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8937
8938         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8939         (Arm_relocate_functions::movt_prel): New function.
8940         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8941         (Arm_relocate_functions::thm_movt_prel): New function.
8942         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8943         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8944         (Scan::global, Relocate::relocate): Likewise.
8945         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8946
8947 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8948
8949         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8950         Incremental_checker.
8951         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8952         unsigned int.
8953         (class Incremental_inputs_header): New class.
8954         (Incremental_inputs_header_writer): Edit comment.
8955         (Incremental_inputs_entry): New class.
8956         (Incremental_inputs_entry_writer): Edit comment.
8957         (Sized_incremental_binary::do_find_incremental_inputs_section):
8958         Add *strtab_shndx parameter, fill it.
8959         (Sized_incremental_binary::do_check_inputs): New method.
8960         (Incremental_checker::can_incrementally_link_output_file): Use
8961         Sized_incremental_binary::check_inputs.
8962         (Incremental_inputs::report_command_line): Save command line in
8963         command_line_.
8964         * incremental.h:
8965         (Incremental_binary::find_incremental_inputs_section): New
8966         method.
8967         (Incremental_binary::do_find_incremental_inputs_section): Add
8968         strtab_shndx parameter.
8969         (Incremental_binary::do_check_inputs): New pure virtual method.
8970         (Sized_incremental_binary::do_check_inputs): Declare.
8971         (Incremental_checker::Incremental_checker): Add incremental_inputs
8972         parameter, use it to initialize incremental_inputs_.
8973         (Incremental_checker::incremental_inputs_): New field.
8974         (Incremental_checker::command_line): New method.
8975         (Incremental_checker::inputs): New method.
8976         (Incremental_checker::command_line_): New field.
8977
8978 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8979
8980         * incremental.cc: Include <cstdarg> and "target-select.h".
8981         (vexplain_no_incremental): New function.
8982         (explain_no_incremental): New function.
8983         (Incremental_binary::error): New method.
8984         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8985         method.
8986         (make_sized_incremental_binary): New function.
8987         (open_incremental_binary): New function.
8988         (can_incrementally_link_file): Add checks if output is ELF and has
8989         inputs section.
8990         * incremental.h: Include "elfcpp_file.h" and "output.h".
8991         (Incremental_binary): New class.
8992         (Sized_incremental_binary): New class.
8993         (open_incremental_binary): Declare.
8994         * object.cc (is_elf_object): Use
8995         elfcpp::Elf_recognizer::is_elf_file.
8996         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8997         * output.h (Output_file::filesize): New method.
8998
8999 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9000
9001         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
9002         New function.
9003         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
9004         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
9005         function.
9006         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
9007         function.
9008         (Arm_relocate_functions::movw_abs_nc): New function.
9009         (Arm_relocate_functions::movt_abs): New function.
9010         (Arm_relocate_functions::thm_movw_abs_nc): New function.
9011         (Arm_relocate_functions::thm_movt_abs): New function.
9012         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
9013         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
9014         (Scan::global): Likewise.
9015         (Relocate::relocate): Likewise.
9016         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9017
9018 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9019
9020         * arm.cc (Arm_relocate_functions::got_prel) New function.
9021         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
9022         (Relocate::relocate): Likewise.
9023         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9024
9025 2009-10-06  Ian Lance Taylor  <iant@google.com>
9026
9027         * options.h (class General_options): Define
9028         split_stack_adjust_size parameter.
9029         * object.h (class Object): Add uses_split_stack_ and
9030         has_no_split_stack_ fields.  Add uses_split_stack and
9031         has_no_split_stack accessor functions.  Declare
9032         handle_split_stack_section.
9033         (class Reloc_symbol_changes): Define.
9034         (class Sized_relobj): Define Function_offsets.  Declare
9035         split_stack_adjust, split_stack_adjust_reltype, and
9036         find_functions.
9037         * object.cc (Object::handle_split_stack_section): New function.
9038         (Sized_relobj::do_layout): Call handle_split_stack_section.
9039         * dynobj.cc (Sized_dynobj::do_layout): Call
9040         handle_split_stack_section.
9041         * reloc.cc (Sized_relobj::relocate_sections): Call
9042         split_stack_adjust for executable sections in split_stack
9043         objects.  Pass reloc_map to relocate_section.
9044         (Sized_relobj::split_stack_adjust): New function.
9045         (Sized_relobj::split_stack_adjust_reltype): New function.
9046         (Sized_relobj::find_functions): New function.
9047         * target-reloc.h: Include "object.h".
9048         (relocate_section): Add reloc_symbol_changes parameter.  Change
9049         all callers.
9050         * target.h (class Target): Add calls_non_split method.  Declare
9051         do_calls_non_split virtual method.  Declare match_view and
9052         set_view_to_nop.
9053         * target.cc: Include "elfcpp.h".
9054         (Target::do_calls_non_split): New function.
9055         (Target::match_view): New function.
9056         (Target::set_view_to_nop): New function.
9057         * gold.cc (queue_middle_tasks): Give an error if mixing
9058         split-stack and non-split-stack objects with -r.
9059         * i386.cc (Target_i386::relocate_section): Add
9060         reloc_symbol_changes parameter.
9061         (Target_i386::do_calls_non_split): New function.
9062         * x86_64.cc (Target_x86_64::relocate_section): Add
9063         reloc_symbol_changes parameter.
9064         (Target_x86_64::do_calls_non_split): New function.
9065         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
9066         parameter.
9067         * powerpc.cc (Target_powerpc::relocate_section): Add
9068         reloc_symbol_changes parameter.
9069         * sparc.cc (Target_sparc::relocate_section): Add
9070         reloc_symbol_changes parameter.
9071         * configure.ac: Call AM_CONDITIONAL for the default target.
9072         * configure: Rebuild.
9073         * testsuite/Makefile.am (TEST_AS): New variable.
9074         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
9075         (check_DATA): Add split_i386 and split_x86_64 files.
9076         (SPLIT_DEFSYMS): Define.
9077         (split_i386_[1234n].o): New targets.
9078         (split_i386_[124]): New targets.
9079         (split_i386_[1234r].stdout): New targets.
9080         (split_x86_64_[1234n].o): New targets.
9081         (split_x86_64_[124]): New targets.
9082         (split_x86_64_[1234r].stdout): New targets.
9083         (MOSTLYCLEANFILES): Add new executables.
9084         * testsuite/split_i386.sh: New file.
9085         * testsuite/split_x86_64.sh: New file.
9086         * testsuite/split_i386_1.s: New file.
9087         * testsuite/split_i386_2.s: New file.
9088         * testsuite/split_i386_3.s: New file.
9089         * testsuite/split_i386_4.s: New file.
9090         * testsuite/split_i386_n.s: New file.
9091         * testsuite/split_x86_64_1.s: New file.
9092         * testsuite/split_x86_64_2.s: New file.
9093         * testsuite/split_x86_64_3.s: New file.
9094         * testsuite/split_x86_64_4.s: New file.
9095         * testsuite/split_x86_64_n.s: New file.
9096         * testsuite/testfile.cc (Target_test): Update relocation_section
9097         function.
9098         * testsuite/Makefile.in: Rebuild.
9099
9100 2009-10-06  Ian Lance Taylor  <iant@google.com>
9101
9102         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
9103         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
9104         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9105         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9106         the address on ldo_addrs_.
9107         (Target_i386::Relocate::fix_up_ldo): New function.
9108
9109 2009-10-06   Rafael Espindola  <espindola@google.com>
9110
9111         * plugin.cc (add_input_library): New.
9112         (Plugin::load): Add add_input_library to tv.
9113         (Plugin_manager::add_input_file): Add the is_lib argument.
9114         (add_input_file): Update call to Plugin_manager::add_input_file.
9115         (add_input_library): New.
9116         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
9117
9118 2009-09-30  Doug Kwan  <dougkwan@google.com>
9119
9120         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9121         symbol and call Symbol::may_need_copy_reloc to determine if
9122         a copy reloc is needed.
9123         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9124         nocopyreloc is given in command line.
9125         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9126         given in command line.
9127         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9128         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9129         of the removed Target_i386::may_need_copy_reloc.
9130         * options.h (copyreloc): New option with default value false.
9131         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9132         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9133         instead of the removed Target_powerpc::may_need_copy_reloc.
9134         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9135         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9136         instead of the removed Target_sparc::may_need_copy_reloc.
9137         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9138         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9139         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9140         instead of the removed Target_x86_64::may_need_copy_reloc.
9141
9142 2009-09-30  Ian Lance Taylor  <iant@google.com>
9143
9144         * object.h (class Object): Remove target_ field, and target,
9145         sized_target, and set_target methods.
9146         (Object::sized_target): Remove.
9147         (class Sized_relobj): Update declarations.  Remove sized_target.
9148         * object.cc (Sized_relobj::setup): Remove target parameter.
9149         Change all callers.
9150         (Input_objects::add_object): Don't do anything with the target.
9151         (make_elf_sized_object): Add punconfigured parameter.  Change all
9152         callers.  Set or test parameter target.
9153         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9154         Change all callers.
9155         * parameters.cc (Parameters::set_target): Change parameter type to
9156         be non-const.
9157         (Parameters::default_target): Remove.
9158         (set_parameters_target): Change parameter type to be non-const.
9159         (parameters_force_valid_target): New function.
9160         (parameters_clear_target): New function.
9161         * parameters.h (class Parameters): Update declarations.  Remove
9162         default_target method.  Add sized_target and clear_target
9163         methods.  Change target_ to be non-const.
9164         (set_parameters_target): Update declaration.
9165         (parameters_force_valid_target): Declare.
9166         (parameters_clear_target): Declare.
9167         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9168         as NULL if we aren't searching.
9169         (Add_symbols::run): Don't check for compatible target.
9170         * fileread.cc (Input_file::open_binary): Call
9171         parameters_force_valid_target.
9172         * gold.cc (queue_middle_tasks): Likewise.
9173         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9174         set_target on object.
9175         * dynobj.h (class Sized_dynobj): Update declarations.
9176         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9177         make_elf_object returns NULL.
9178         (Archive::include_member): Don't check whether object target is
9179         compatible.
9180         * output.cc (Output_section::add_input_section): Get target from
9181         parameters.
9182         (Output_section::relax_input_section): Likewise.
9183         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9184         parameters.
9185         (Sized_relobj::do_scan_relocs): Likewise.
9186         (Sized_relobj::relocate_sections): Likewise.
9187         * resolve.cc (Symbol_table::resolve): Likewise.
9188         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9189         parameter.  Change all callers.
9190         (Symbol_table::add_from_object): Get target from parameters.
9191         (Symbol_table::add_from_relobj): Don't check object target.
9192         (Symbol_table::add_from_dynobj): Likewise.
9193         (Symbol_table::define_special_symbol): Get target from
9194         parameters.
9195         * symtab.h (class Symbol_table): Update declaration.
9196         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9197         parameter.  Change all callers.  Clear parameter target.
9198         (Binary_test): Test target here.
9199         * testsuite/object_unittest.cc (gold_testsuite): Remove
9200         target_test_pointer parameter.  Change all callers.
9201         (Object_test): Test target here.
9202
9203 2009-09-26  Ian Lance Taylor  <iant@google.com>
9204
9205         * testsuite/initpri1.c: Don't try to use constructor priorities if
9206         compiling with gcc before 4.3.
9207
9208 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9209
9210         * testsuite/retain_symbols_file_test.sh (check_present): Change
9211         output file name to retain_symbols_file_test.stdout.
9212         (check_absent): Likewise.
9213
9214 2009-09-18  Craig Silverstein  <csilvers@google.com>
9215
9216         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9217         * options.cc: Include <cerrno> and <fstream>.
9218         (General_options::finalize): Parse -retain-symbols-file tag.
9219         * options.h: New flag.
9220         (General_options): New method should_retain_symbol, new
9221         variable symbols_to_retain.
9222         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9223         should_retain_symbol map.
9224         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9225         * testsuite/Makefile.in: Regenerate.
9226         * testsuite/retain_symbols_file_test.sh: New file.
9227
9228 2009-09-18  Nick Clifton  <nickc@redhat.com>
9229
9230         * po/es.po: Updated Spanish translation.
9231
9232 2009-09-17  Doug Kwan  <dougkwan@google.com>
9233
9234         * debug.h (DEBUG_RELAXATION): New constant.
9235         (DEBUG_ALL): Add DEBUG_RELAXATION.
9236         (debug_string_to_enum): Add relaxation debug option.
9237         * layout.cc
9238         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
9239         Layout::Relaxation_debug_check::read_sections,
9240         Layout::Relaxation_debug_check::read_sections): New method definitions.
9241         (Layout::Layout): Initialize data members
9242         record_output_section_data_from_scrips_,
9243         script_output_section_data_list_ and relaxation_debug_check_.
9244         (Layout::save_segments, Layout::restore_segments,
9245         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9246         Layout::relaxation_loop_body): New method definitions.
9247         (Layout::finalize): Support relaxation.  Move section layout code to
9248         Layout::relaxation_loop_body.
9249         (Layout::set_asection_address_from_script): Move code for orphan
9250         section placement out.
9251         (Layout::place_orphan_sections_in_script): New method definition.
9252         * layout.h (Output_segment_headers, Output_file_header):
9253         New forward class declarations.
9254         (Layout::~Layout): Define.
9255         (Layout::new_output_section_data_from_script): New method definition.
9256         (Layout::place_orphan_sections_in_script): New method declaration.
9257         (Layout::Segment_states): New type declaration.
9258         (Layout::save_segments, Layout::restore_segments,
9259         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9260         Layout::relaxation_loop_body): New method declarations.
9261         (Layout::Output_section_data_list): New type declaration.
9262         (Layout::Relaxation_debug_check): New class definition.
9263         (Layout::record_output_section_data_from_script_,
9264         Layout::script_output_section_data_list_, Layout::segment_states_,
9265         Layout::relaxation_debug_check_): New data members.
9266         * output.cc: (Output_section_headers::do_size): New method definition.
9267         (Output_section_headers::Output_section_headers): Move size
9268         computation to Output_section_headers::do_size.
9269         (Output_segment_headers::do_size): New method definition.
9270         (Output_file_header::Output_file_header): Move size computation to
9271         Output_file_header::do_size and call it.
9272         (Output_file_header::do_size): New method definition.
9273         (Output_data_group::Output_data_group): Adjust call to
9274         Output_section_data.
9275         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
9276         (Output_symtab_xindex::do_write): Add array bound check.
9277         (Output_section::Input_section::print_to_mapfile): Handle
9278         RELAXED_INPUT_SECTION_CODE.
9279         (Output_section::Output_section): Initialize data member checkpoint_.
9280         (Output_section::~Output_section): Delete checkpoint object pointed
9281         by checkpoint_.
9282         (Output_section::add_input_section): Always add an Input_section if
9283         relaxing.
9284         (Output_section::add_merge_input_section): Add assert.
9285         (Output_section::relax_input_section): New method definition.
9286         (Output_section::set_final_data_size): Set load address to zero for
9287         an unallocated section.
9288         (Output_section::do_address_and_file_offset_have_reset_values):
9289         New method definition.
9290         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
9291         Handle relaxed input section.
9292         (Output_section::sort_attached_input_sections): Checkpoint input
9293         section list lazily.
9294         (Output_section::get_input_sections): Change type of input_sections to
9295         list of Simple_input_section pointers.  Checkpoint input section list
9296         lazily.  Also handle relaxed input sections.
9297         (Output_section::add_input_section_for_script): Take a reference to
9298         a Simple_input_section object instead of Relobj pointer and section
9299         index as parameter.  Handle relaxed input sections.
9300         (Output_section::save_states, Output_section::restore_states): New
9301         method definitions.
9302         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
9303         (Output_data::is_data_size_fixed): New method definition.
9304         (Output_data::reset_addresss_and_file_offset): Do not reset data size
9305         if it is fixed.
9306         (Output_data::address_and_file_offset_have_reset_values): New method
9307         definition.
9308         (Output_data::do_address_and_file_offset_have_reset_values): New method
9309         definition.
9310         (Output_data::set_data_size): Check that data size is not fixed.
9311         (Output_data::fix_data_size): New method definition.
9312         (Output_data::is_data_size_fixed_): New data member.
9313         (Output_section_headers::set_final_data_size): New method definition.
9314         (Output_section_headers::do_size): New method declaration.
9315         (Output_segment_headers::set_final_data_size): New method definition.
9316         (Output_segment_headers::do_size): New method declaration.
9317         (Output_file_header::set_final_data_size)::New method definition.
9318         (Output_file_header::do_size)::New method declaration.
9319         (Output_section_data::Output_section_data): Add new parameter
9320         is_data_size_fixed and use it to fix data size.
9321         (Output_data_const::Output_data_const): Adjust call to base class
9322         constructor and fix data size.
9323         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
9324         base class constructor and fix data size.
9325         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
9326         base class constructor and fix data size.
9327         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
9328         class constructor and fix data size.
9329         (Output_data_group::set_final_data_size): New method definition.
9330         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
9331         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
9332         class constructor and fix data size.
9333         (Output_relaxed_input_section): New class definition.
9334         (Output_section::Simple_input_section): New class definition.
9335         (Output_section::get_input_sections): Adjust parameter list.
9336         (Output_section::add_input_section_for_script): Same.
9337         (Output_section::save_states, Output_section::restore_states,
9338         Output_section::do_address_and_file_offset_have_reset_values,
9339         (Output_section::Input_section::Input_section): Handle
9340         RELAXED_INPUT_SECTION_CODE.  Add new overload for
9341         Output_relaxed_input_section.
9342         (Output_section::Input_section::is_input_section,
9343         Output_section::Input_section::set_output_section): Handle relaxed
9344         input section.
9345         (Output_section::Input_section::is_relaxed_input_section,
9346         Output_section::Input_section::output_section_data,
9347         Output_section::Input_section::relaxed_input_section): New method
9348         definitions.
9349         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
9350         value.
9351         (Output_section::Input_section::u1_): Update comments.
9352         (Output_section::Input_section::u2_): Add new union member poris.
9353         (Output_section::Checkpoint_output_section): New classs definition.
9354         (Output_section::relax_input_section): New method declaration.
9355         (Output_section::checkpoint_): New data member.
9356         (Output_segment): Update comments.
9357         (Output_segment::Output_segment): Un-privatize copy constructor.
9358         (Output_segment::operator=): Un-privatize.
9359         * script-sections.cc (Output_section_element::Input_section_list):
9360         Change element type to Output_section::Simple_input_section.
9361         (Output_section_element_dot_assignment::set_section_addresses):
9362         Register output section data for relaxation clean up.
9363         (Output_data_exression::Output_data_expression): Adjust call to base
9364         constructor to fix data size.
9365         (Output_section_element_data::set_section_addresses): Register
9366         Output_data_expression object for relaxation clean up.
9367         (struct Input_section_info): Replace Relobj pointer and section index
9368         pair with Output_section::Simple_input_section and Convert struct to a
9369         class.
9370         (Input_section_sorter::operator()): Adjust access to
9371         Input_section_info data member to use accessors.
9372         (Output_section_element_input::set_section_addresses): Use layout
9373         parameter.  Adjust code to use Output_section::Simple_input_section
9374         and Input_secction_info classes.  Register filler for relaxation
9375         clean up.
9376         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
9377         and section index pair with Output_section::Simple_input_section
9378         class.  Adjust code accordingly.
9379         (Phdrs_element::release_segment): New method definition.
9380         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
9381         segment list.
9382         (Script_sections::release_segments): New method definition.
9383         * gold/script-sections.h (Script_sections::release_segments): New
9384         method declaration.
9385         * gold/target.h (Target::may_relax, Target::relax,
9386         Target::do_may_relax, Target::do_relax): New method definitions.
9387
9388 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9389
9390         * arm.cc (has_signed_unsigned_overflow): New function.
9391         (Arm_relocate_functions::abs8): New function.
9392         (Target_arm::Scan::local): Handle R_ARM_ABS8.
9393         (Target_arm::Scan::global): Likewise.
9394         (Target_arm::relocate::relocate): Likewise.
9395         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9396         Likewise.
9397
9398 2009-09-16  Cary Coutant  <ccoutant@google.com>
9399
9400         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
9401         * testsuite/Makefile.in: Regenerate.
9402
9403 2009-09-11  Nick Clifton  <nickc@redhat.com>
9404
9405         * po/gold.pot: Updated by the Translation project.
9406
9407 2009-09-08  Cary Coutant  <ccoutant@google.com>
9408
9409         * output.cc (Output_file::open): Add execute permission to empty file.
9410         * testsuite/Makefile.am (permission_test): New test.
9411         * testsuite/Makefile.in: Regenerate.
9412
9413 2009-09-02  Ian Lance Taylor  <iant@google.com>
9414
9415         * output.cc (Output_file::resize): Call map_no_anonymous rather
9416         than map.
9417
9418 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
9419
9420         * gold.cc: Include "incremental.h".
9421         (queue_initial_tasks): Call Incremental_checker methods.
9422         * incremental.cc: Include "output.h".
9423         (Incremental_checker::can_incrementally_link_output_file): New
9424         method.
9425         * incremental.h (Incremental_checker): New class.
9426
9427         * output.cc (Output_file::open_for_modification): New method.
9428         (Output_file::map_anonymous): Changed return type to bool.  Record
9429         map in base_ field.
9430         (Output_file::map_no_anonymous): New method, broken out of map.
9431         (Output_file::map): Use map_no_anonymous and map_anonymous.
9432         * output.h (class Output_file): Update declarations.
9433
9434 2009-08-24  Cary Coutant  <ccoutant@google.com>
9435
9436         * options.h (Command_line::Pre_options): New class.
9437         (Command_line::pre_options): New member.
9438         * options.cc (gold::options::ready_to_register): New variable.
9439         (One_option::register_option): Do nothing if not registering options.
9440         Assert if same short option registered twice.
9441         (General_options::General_options): Turn off option registration when
9442         done constructing.
9443         (Command_line::Pre_options::Pre_options): New constructor.
9444
9445 2009-08-24  Cary Coutant  <ccoutant@google.com>
9446
9447         * options.h (General_options::no_keep_memory): Remove incorrect
9448         short option.
9449
9450 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9451
9452         * Makefile.am (am__skiplex, am__skipyacc): New.
9453         * Makefile.in: Regenerate.
9454
9455 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9456
9457         * Makefile.am (AM_CPPFLAGS): Renamed from ...
9458         (INCLUDES): ... this.
9459         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
9460         (AM_CPPFLAGS): Renamed from ...
9461         (INCLUDE): ... this.
9462         * Makefile.in, testsuite/Makefile.in: Regenerate.
9463
9464         * Makefile.in: Regenerate.
9465         * aclocal.m4: Likewise.
9466         * config.in: Likewise.
9467         * configure: Likewise.
9468         * testsuite/Makefile.in: Likewise.
9469
9470         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9471         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9472         * Makefile.in: Regenerate.
9473         * testsuite/Makefile.in: Regenerate.
9474
9475 2009-08-19  Cary Coutant  <ccoutant@google.com>
9476
9477         * resolve.cc (Symbol_table::resolve): Don't complain about defined
9478         symbols in shared libraries overridden by hidden or internal symbols
9479         in the main program.
9480
9481 2009-08-19  Chris Demetriou  <cgd@google.com>
9482
9483         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
9484         checking source file names in error messages.
9485
9486 2009-08-18  Doug Kwan  <dougkwan@google.com>
9487
9488         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
9489         an elcpp::Ehdr as parameter.  Adjust call to set_target.
9490         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
9491         an elfcpp::Ehdr as parameter.
9492         * object.cc (Object::set_target): Remove the version that looks up
9493         a target and sets it.
9494         (Sized_relobj::setup): Take a Target object instead of
9495         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
9496         (make_elf_sized_object): Find target and ask target to
9497         make an ELF object.
9498         * object.h: (Object::set_target): Remove the version that looks up
9499         a target and sets it.
9500         (Sized_relobj::setup): Take a Target object instead of
9501         an elfcpp:Ehdr as parameter.
9502         * target.cc: Include dynobj.h.
9503         (Target::do_make_elf_object_implementation): New.
9504         (Target::do_make_elf_object): New.
9505         * target.h (Target::make_elf_object): New template declaration.
9506         (Target::do_make_elf_object): New method declarations.
9507         (Target::do_make_elf_object_implementation): New template declaration.
9508
9509 2009-08-14  Ian Lance Taylor  <iant@google.com>
9510
9511         * gold.h (FUNCTION_NAME): Define.
9512         (gold_unreachable): Use FUNCTION_NAME.
9513
9514 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9515
9516         * icf.cc (Icf::find_identical_sections): Issue a warning when a
9517         symbol in the --keep-unique list is not found.
9518
9519 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9520
9521         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
9522         been maked as --keep-unique.
9523         (Icf::unfold_section): New function.
9524         * icf.h (Icf::unfold_section): New function.
9525         * options.h (General_options::keep_unique): New option.
9526         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9527         * testsuite/Makefile.in: Regenerate.
9528         * testsuite/icf_keep_unique_test.sh: New file.
9529         * testsuite/icf_keep_unique_test.cc: New file.
9530
9531 2009-08-12  Cary Coutant  <ccoutant@google.com>
9532
9533         PR 10471
9534         * resolve.cc (Symbol_table::resolve): Check for references from
9535         dynamic objects to hidden and internal symbols.
9536         * testsuite/Makefile.am (hidden_test.sh): New test.
9537         * testsuite/Makefile.in: Regenerate.
9538         * testsuite/hidden_test.sh: New script.
9539         * testsuite/hidden_test_1.c: New test source.
9540         * testsuite/hidden_test_main.c: New test source.
9541
9542 2009-08-11  Doug Kwan  <dougkwan@google.com>
9543
9544         * arm.cc: Update comments.
9545         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9546         segment to locate the .ARM.exidx section if present.
9547
9548 2009-08-09  Doug Kwan  <dougkwan@google.com>
9549
9550         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9551         patch.
9552
9553 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9554         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9555         compiler warnings.
9556
9557 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9558
9559         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9560         valid tls_segment only for non-debug-section relocations.
9561         * testsuite/Makefile.am: Add gc_tls_test.
9562         * testsuite/Makefile.in: Regenerate.
9563         * testsuite/gc_tls_test.cc: New file.
9564         * testsuite/gc_tls_test.sh: New file.
9565
9566 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9567
9568         * icf.cc: New file.
9569         * icf.h: New file.
9570         * Makefile.am (CCFILES): Add icf.cc.
9571         (HFILES): Add icf.h
9572         * Makefile.in: Regenerate.
9573         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9574         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9575         section, symbol and addend information for the relocs.
9576         * gold.cc (queue_middle_tasks): Call identical code folding.
9577         * gold.h: Add defines for multimap.
9578         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9579         to the call of finalize_local_symbols.
9580         * main.cc (main): Create object of class Icf.
9581         * object.cc (Sized_relobj::do_layout): Allow this function to be
9582         called twice during icf.
9583         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9584         to sections marked as identical by icf.
9585         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9586         when available.
9587         (Sized_relobj::do_section_entsize): New function.
9588         * object.h (Object::section_entsize): New function.
9589         (Object::do_section_entsize): New pure virtual function.
9590         (Relobj::finalize_local_symbols): Add new parameter.
9591         (Relobj::do_section_entsize): New function.
9592         * options.h (General_options::icf): New option.
9593         (General_options::icf_iterations): New option.
9594         (General_options::print_icf_sections): New option.
9595         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9596         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9597         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9598         icf.
9599         * symtab.cc (Symbol_table::is_section_folded): New function.
9600         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9601         to sections marked as identical by icf.
9602         * symtab.h (Symbol_table::set_icf): New function.
9603         (Symbol_table::icf): New function.
9604         (Symbol_table::is_section_folded): New function.
9605         (Symbol_table::icf_): New data member.
9606         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9607         * testsuite/Makefile.am: Add commands to build icf_test.
9608         * testsuite/Makefile.in: Regenerate.
9609         * testsuite/icf_test.sh: New file.
9610         * testsuite/icf_test.cc: New file.
9611
9612 2009-07-24  Chris Demetriou  <cgd@google.com>
9613
9614         * layout.cc (is_compressible_debug_section): Fix incorrect
9615         comment about compressed section names.
9616
9617 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9618
9619         PR 10419
9620         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9621
9622 2009-07-16  Ian Lance Taylor  <iant@google.com>
9623
9624         PR 10400
9625         * layout.h: #include <map>.
9626         (class Kept_section): Change from struct to class.  Add accessors
9627         and setters.  Add section size to Comdat_group mapping.  Change
9628         Comdat_group to std::map.  Add is_comdat_ field.  Add
9629         linkonce_size field in union.
9630         (class Layout): Update declaration of find_or_add_kept_section.
9631         Don't declare find_kept_object.
9632         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9633         parameter.  Add object, shndx, is_comdat, and is_group_name
9634         parameters.  Change all callers.  Adjust for new Kept_section.
9635         (Layout::find_kept_object): Remove.
9636         * object.cc (Sized_relobj::include_section_group): Update use of
9637         Kept_section.  Rename secnum to shndx.  Only record
9638         Kept_comdat_section if sections are the same size.
9639         (Sized_relobj::include_linkonce_section): Update use of
9640         Kept_section.  Only record Kept_comdat_section if sections are the
9641         same size.  Set size of linkonce section.
9642         (Sized_relobj::map_to_kept_section): Update call to
9643         get_kept_comdat_section.
9644         * object.h (class Sized_relobj): Rename fields in
9645         Kept_comdat_section to drop trailing underscores; change object
9646         field to Relobj*.  Change Kept_comdat_section_table to store
9647         struct rather than pointer.
9648         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9649         Add kept_object and kept_shndx parameters.  Change all callers.
9650         (Sized_relobj::get_kept_comdat_section): Change return type to
9651         bool.  Add kept_object and kept_shndx parameters.  Change all
9652         callers.
9653         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9654         Layout::find_or_add_kept_section.
9655
9656 2009-07-09  Ian Lance Taylor  <iant@google.com>
9657
9658         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9659         Reserve space in the hash table.
9660
9661 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9662
9663         * fileread.cc (File_read::get_mtime): New method.
9664         * fileread.h (Timespec): New structure.
9665         (File_read::get_mtime): New method.
9666         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9667         Renamed from timestamp_nsec.
9668         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9669         Elf_Xword.
9670         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9671         timestamp_nsec.
9672         (Incremental_inputs::report_archive): Save mtime; style fix.
9673         (Incremental_inputs::report_obejct): Save mtime; style fix.
9674         (Incremental_inputs::report_script): Save mtime; style fix.
9675         (Incremental_inputs::finalize_inputs): Style fix.
9676         (Incremental_inputs::finalize): Style fix.
9677         (Incremental_inputs::create_input_section_data): Store inputs
9678         mtime.
9679         * incremental.h (Incremental_inputs::report_script): Add mtime
9680         argument.
9681         (Incremental_inputs::Input_info::Input_info): Intialize only one
9682         union member.
9683         (Incremental_inputs::Input_info::archive): Move to nameless
9684         union.
9685         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9686         (Incremental_inputs::Input_info::script): Move to nameless union.
9687         (Incremental_inputs::mtime): New field.
9688         * script.cc (read_input_script): Pass file mtime to
9689         Incremental_input.
9690         * script.h (Script_info::inputs): Style fix.
9691
9692 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9693
9694         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9695         instead of 32.
9696
9697 2009-06-24  Ian Lance Taylor  <iant@google.com>
9698
9699         PR 10156
9700         * layout.cc (Layout::choose_output_section): If we find an
9701         existing section, update the flags.
9702         (Layout::create_notes): New function, broken out of
9703         Layout::finalize.
9704         (Layout::finalize): Don't create note sections.
9705         (Layout::create_note): Don't crash if linker script discards
9706         section.
9707         (Layout::create_gold_note): Likewise.
9708         (Layout::create_build_id): Likewise.  Don't set
9709         after_input_sections on the section.
9710         (Layout::create_executable_stack_info): Remove target parameter.
9711         Change caller.
9712         * layout.h (class Layout): Declare create_notes.  Update
9713         declaration of create_executable_stack_info.
9714         * gold.cc (queue_middle_tasks): Call create_notes.
9715         * output.cc (Output_section::update_flags_for_input_section): Move
9716         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9717         invalid.
9718         * output.h (Output_data::mark_address_invalid): New function.
9719         (class Output_section): Only declare, not define,
9720         update_flags_for_input_section.  Remove set_flags.
9721
9722 2009-06-24  Ian Lance Taylor  <iant@google.com>
9723
9724         * script-sections.cc (Output_section_definition::
9725         set_section_addresses): Rename shadowing local load_address to
9726         laddr.
9727
9728 2009-06-24  Ian Lance Taylor  <iant@google.com>
9729
9730         PR 10244
9731         * reloc.cc (relocate_sections): Skip empty relocation sections.
9732
9733 2009-06-23  Ian Lance Taylor  <iant@google.com>
9734
9735         PR 10156
9736         * layout.cc (Layout::create_note): Use choose_output_section
9737         rather than make_output_section.
9738
9739 2009-06-23  Ian Lance Taylor  <iant@google.com>
9740
9741         PR 10237
9742         * options.cc (General_options::parse_V): Set printed_version_.
9743         (General_options::General_options): Initialize printed_version_.
9744         * options.h (class General_options): Add printed_version_ field.
9745         * gold.cc (queue_initial_tasks): If there are no input files,
9746         don't give a fatal error if we printed the version information.
9747         (queue_middle_tasks): If using -r with a shared object, give a
9748         fatal error rather than an ordinary error.
9749
9750 2009-06-23  Ian Lance Taylor  <iant@google.com>
9751
9752         PR 10219
9753         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9754         (Layout::make_output_section): Set have_stabstr_section_ if we see
9755         a .stab*str section.
9756         (Layout::finalize): Call link_stabs_sections.
9757         (Layout::link_stabs_sections): New file.
9758         * layout.h (class Layout): Add have_stabstr_section_ field.
9759         Declare link_stabs_sections.
9760
9761 2009-06-23  Doug Kwan  <dougkwan@google.com>
9762
9763         * Makefile.am (libgold_a_LIBADD): New.
9764         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9765         * Makefile.in: Regenerate.
9766         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9767         * configure: Regenerate.
9768         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9769         * fileread.cc: Include sys/state.h
9770         * gold.h: Declare memmem and strndup if found missing.
9771         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9772
9773 2009-06-23  Ian Lance Taylor  <iant@google.com>
9774
9775         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9776         * configure: Rebuild.
9777
9778 2009-06-23  Ian Lance Taylor  <iant@google.com>
9779
9780         PR 10147
9781         * object.cc (Object::section_contents): Don't try to get a view if
9782         the section has length zero.
9783         (Object::handle_gnu_warning_section): If the section is empty, use
9784         the name of the section as the warning.
9785
9786 2009-06-23  Ian Lance Taylor  <iant@google.com>
9787
9788         PR 10133
9789         * stringpool.h (class Stringpool_template): Add optimize_ field.
9790         (Stringpool_template::set_optimize): New function.
9791         * stringpool.cc (Stringpool_template::Stringpool_template):
9792         Initialize optimize_ field.
9793         (Stringpool_template::set_string_offsets): Test local optimize
9794         fild rather than parameter.
9795         * layout.cc (Layout::Layout): Call set_optimize on the section
9796         name stringpool.
9797
9798 2009-06-22  Ian Lance Taylor  <iant@google.com>
9799
9800         PR 10030
9801         * yyscript.y: Parse TARGET.
9802         * script.cc (script_set_target): New function.
9803         * script-c.h (script_set_target): Declare.
9804         * options.cc (General_options::string_to_object_format): Rename
9805         from string_to_object_format in anonymous namespace.  Change
9806         callers.
9807         * options.h (class General_options): Declare
9808         string_to_object_format.
9809
9810 2009-06-22  Ian Lance Taylor  <iant@google.com>
9811
9812         * script-sections.cc (Script_sections::create_segments): Don't put
9813         program headers in a PT_LOAD segment if -n or -N.
9814
9815 2009-06-22  Ian Lance Taylor  <iant@google.com>
9816
9817         PR 10141
9818         * options.h (class General_options): Add -z lazy and -z now.  Sort
9819         -z options into alphabetical order.
9820         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9821
9822 2009-06-21  Ian Lance Taylor  <iant@google.com>
9823
9824         * layout.cc (Layout::make_output_section): Call
9825         Target::new_output_section.
9826         (Layout::attach_allocated_section_to_segment): Put large section
9827         sections in a separate load segment with the large segment flag
9828         set.
9829         (Layout::segment_precedes): Sort large data segments after other
9830         load segments.
9831         (align_file_offset): New static function.
9832         (Layout::set_segment_offsets): Use align_file_offset.
9833         * output.h (class Output_section): Add is_small_section_ and
9834         is_large_section_ fields.
9835         (Output_section::is_small_section): New function.
9836         (Output_section::set_is_small_section):  New function.
9837         (Output_section::is_large_section): New function.
9838         (Output_section::set_is_large_section): New function.
9839         (Output_section::is_large_data_section): New function.
9840         (class Output_segment): Add is_large_data_segment_ field.
9841         (Output_segment::is_large_data_segment): New function.
9842         (Output_segment::set_is_large_data_segment): New function.
9843         * output.cc (Output_section::Output_section): Initialize new
9844         fields.
9845         (Output_segment::Output_segment): Likewise.
9846         (Output_segment::add_output_section): Add assertion that large
9847         data sections always go in large data segments.  Force small data
9848         sections to the end of the list of data sections.  Force small BSS
9849         sections to the start of the list of BSS sections.  For large BSS
9850         sections to the end of the list of BSS sections.
9851         * symtab.h (class Symbol): Declare is_common_shndx.
9852         (Symbol::is_defined): Check Symbol::is_common_shndx.
9853         (Symbol::is_common): Likewise.
9854         (class Symbol_table): Define enum Commons_section_type.  Update
9855         declarations.  Add small_commons_ and large_commons_ fields.
9856         * symtab.cc (Symbol::is_common_shndx): New function.
9857         (Symbol_table::Symbol_table): Initialize new fields.
9858         (Symbol_table::add_from_object): Put small and large common
9859         symbols in the right list.
9860         (Symbol_table::sized_finalized_symbol): Check
9861         Symbol::is_common_shndx.
9862         (Symbol_table::sized_write_globals): Likewise.
9863         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9864         common symbol lists.  Don't call do_allocate_commons_list if the
9865         list is empty.
9866         (Symbol_table::do_allocate_commons_list): Remove is_tls
9867         parameter.  Add comons_section_type parameter.  Change all
9868         callers.  Handle small and large common symbols.
9869         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9870         Symbol::is_common_shndx.
9871         * resolve.cc (symbol_to_bits): Likewise.
9872         * target.h (Target::small_common_shndx): New function.
9873         (Target::small_common_section_flags): New function.
9874         (Target::large_common_shndx): New function.
9875         (Target::large_common_section_flags): New function.
9876         (Target::new_output_section): New function.
9877         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9878         small_common_section_flags, and large_common_section_flags
9879         fields.
9880         (Target::do_new_output_section): New virtual function.
9881         * arm.cc (Target_arm::arm_info): Initialize new fields.
9882         * i386.cc (Target_i386::i386_info): Likewise.
9883         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9884         Likewise.
9885         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9886         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9887         (Target_x86_64::do_new_output_section): New function.
9888         * configure.ac: Define conditional MCMODEL_MEDIUM.
9889         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9890         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9891         (large_LDFLAGS): Define.
9892         * testsuite/large.c: New file.
9893         * testsuite/testfile.cc (Target_test::test_target_info):
9894         Initialize new fields.
9895         * configure, testsuite/Makefile.in: Rebuild.
9896
9897 2009-06-05  Doug Kwan  <dougkwan@google.com>
9898
9899         * Makefile.am (CCFILES): Add target.cc.
9900         * Makefile.in: Regenerate.
9901         * i386.cc (class Target_i386): Define new virtual method to
9902         override do_is_local_label_name in parent.
9903         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9904         local symbols if --discard-locals or -X is given.
9905         * options.h (class General_options): Declare new options
9906         '--discard-locals' and '-X' for discarding locals.
9907         * target.h (class Target): Define new methods is_local_label_name.
9908         Declare new virtual method do_is_local_label_name.
9909         * target.cc: New file.
9910         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9911         (check_SCRIPTS): Add discard_locals_test.sh.
9912         (check_DATA): Add discard_local_tests.syms.
9913         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9914         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9915         * testsuite/Makefile.in: Regenerate.
9916         * testsuite/discard_locals_test.c: New file.
9917         * testsuite/discard_locals_test.sh: Same.
9918
9919 2009-06-05  Doug Kwan  <dougkwan@google.com>
9920
9921         * object.cc (Sized_relobj::Sized_relobj): Initialize
9922         discarded_eh_frame_shndx_ to -1U.
9923         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9924         section.
9925         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9926         a discarded .eh_frame section.
9927         (Sized_relobj::do_finalize_local_symbols): Ditto.
9928         * object.h (class Sized_relobj): Declare new member
9929         discarded_eh_frame_shndx_.
9930         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9931         (local_labels_test.o, local_labels_test): New rules.
9932         * testsuite/Makefile.in: Regenerate.
9933
9934 2009-06-04  Doug Kwan  <dougkwan@google.com>
9935
9936         * layout.cc (Layout::section_name_mapping): Add mapping for
9937         special ARM sections.
9938
9939 2009-06-03  Doug Kwan  <dougkwan@google.com>
9940
9941         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9942         (utils::has_overflow): Same.
9943
9944 2009-06-03  Ian Lance Taylor  <iant@google.com>
9945
9946         * layout.cc (Layout::section_name_mapping): New array, replacing
9947         Layout::linkonce_mapping.
9948         (Layout::section_name_mapping_count): New variable, replacing
9949         Layout::linkonce_mapping_count.
9950         (Layout::linkonce_output_name): Remove.
9951         (Layout::output_section_name): Rewrite.
9952         * layout.h (class Layout): Rename Linkonce_mapping to
9953         Section_name_mapping, linkonce_mapping to section_name_mapping,
9954         linkonce_mapping_count to section_name_mapping_count.  Don't
9955         declare linkonce_output_name.
9956
9957 2009-06-03  Doug Kwan  <dougkwan@google.com>
9958
9959         * gold/arm.cc (namespace utils): New.
9960         (Target_arm::reloc_is_non_pic): Define new method.
9961         (class Arm_relocate_functions): New.
9962         (Target_arm::Relocate::relocate): Handle relocation types used by
9963         Android.
9964
9965 2009-06-03  Ian Lance Taylor  <iant@google.com>
9966
9967         * arm.cc (Target_arm::scan::global): Use || instead of |.
9968
9969 2009-06-02  Doug Kwan  <dougkwan@google.com>
9970
9971         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9972         issued_non_pic_error_.
9973         (class Target_arm::Scan): Declare new method check_non_pic.
9974         Define new method symbol_needs_plt_entry.
9975         Declare new data member issued_non_pic_error_.
9976         (class Target_arm::Relocate): Declare new method
9977         should_apply_static_reloc.
9978         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9979         (Target_arm::Scan::check_non_pic): Define new method.
9980         (Target_arm::Scan::local): Handle a small subset of reloc types used
9981         by Android.
9982         (Target_arm::Scan::local): Same.
9983         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9984
9985 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9986
9987         * incremental.cc (Incremental_inputs::report_command_line): Filter
9988         out --incremental-* options.
9989
9990 2009-05-29  Doug Kwan  <dougkwan@google.com>
9991
9992         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9993         template class.
9994         (class Target_arm): Update comment.
9995         (Target_arm::Target_arm): Initialize new data members GOT_,
9996         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9997         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9998         and Target_arm::rel_dyn_section.
9999         Declare new_enum Target_arm::Got_type.
10000         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
10001         and DYNBSS_.
10002         Update commments for member do_dynsym_value.
10003         (Target_arm::got_size, Target_arm::plt_section,
10004         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
10005         new methods inside class defintion.
10006         (Target_arm::got_section): Define new method.
10007         (Target_arm::rel_dyn_section): Same.
10008         (Output_data_plt_arm): New template class.
10009         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
10010         (Output_data_plt_arm:do_adjust_output_section): Define new method.
10011         (Output_data_plt_arm::add_entry): Same.
10012         (Output_data_plt_arm::first_plt_entry): Define new
10013         static data member for PLT instruction template.
10014         (Output_data_plt_arm::plt_entry): Same.
10015         (Output_data_plt_arm::do_write): Define new method.
10016         (Target_arm::make_plt_entry): Same.
10017         (Target_arm::do_finalize_sections): Same.
10018         (Target_arm::do_dynsym_value): Same.
10019
10020 2009-05-28  Doug Kwan  <dougkwan@google.com>
10021
10022         * Makefile.am (TARGETSOURCES): Add arm.cc.
10023         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
10024         * Makefile.in: Regenerate.
10025         * arm.cc: New file.
10026         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
10027
10028 2009-05-26  Doug Kwan  <dougkwan@google.com>
10029
10030         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
10031         (General_options::check_excluded_libs): Strip off directories in
10032         archive name before matching like GNU ld does.
10033         * testsuite/Makefile.am (MOSTLYCLEANFILES,
10034         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
10035         (exclude_libs_test_LDFLAGS): Add linker option
10036         -Wl,--exclude-libs,libexclude_libs_test_3
10037         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
10038         an explicit archive without using -l.
10039         (alt/libexclude_libs_test_3.a): New make rule.
10040         * testsuite/Makefile.in: Regenerate.
10041         * testsuite/exclude_libs_test.c : Declare lib3_default().
10042         (main): Call it.
10043         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
10044         * exclude_libs_test_3.c: New file.
10045
10046 2009-05-26  Nick Clifton  <nickc@redhat.com>
10047
10048         * po/id.po: New Indonesian translation.
10049         * po/gold.pot: Updated template file.
10050
10051 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
10052
10053         * testsuite/Makefile.am: Add -ffunction-sections to compile
10054         gc_comdat_test files.  Add -Wl,--gc-sections to build
10055         gc_comdat_test.
10056         * testsuite/Makefile.in: Regenerate.
10057         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
10058
10059 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
10060
10061         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
10062         kept comdat section was garbage collected.
10063         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
10064         * testsuite/Makefile.in: Regenerate.
10065         * testsuite/gc_comdat_test.sh: New file.
10066         * testsuite/gc_comdat_test_1.cc: New file.
10067         * testsuite/gc_comdat_test_2.cc: New file.
10068
10069 2009-05-19  Doug Kwan  <dougkwan@google.com>
10070
10071         * archive.cc (Archive::Archive): Move constructor from archive.h
10072         to here.  Initialize no_export_.
10073         (Archive::get_elf_object_for_member): Set no_export flag of object.
10074         * archive.h (Archive::Archive): Move constructor body to
10075         archive.cc.
10076         (Archive::no_export): New method.
10077         (Archive::no_export_): New field.
10078         * object.h (Object::Object): Initialize no_export_ to false.
10079         (Object::no_export, Object::set_no_export): New methods.
10080         (Object::no_export_): New field.
10081         * options.cc (General_options::parse_exclude_libs): New method.
10082         (General_options::check_excluded_libs) Same.
10083         * options.h (exclude_libs): New option.
10084         (General_options::check_excluded_libs): New method declaration.
10085         (General_options::excluded_libs_): New field.
10086         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
10087         default or protected visibility if an object has no-export flag set.
10088         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
10089         (check_SCRIPTS): Add exclude_libs_test.sh.
10090         (check_DATA): Add exclude_libs_test.syms.
10091         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
10092         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
10093         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
10094         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
10095         (exclude_libs_test.syms, libexclude_libs_test_1.a,
10096         libexclude_libs_test_2.a): New rules.
10097         * testsuite/Makefile.in: Regenerate.
10098         * testsuite/exclude_libs_test.c: New file.
10099         * testsuite/exclude_libs_test.sh: Ditto.
10100         * testsuite/exclude_libs_test_1.c: Ditto.
10101         * testsuite/exclude_libs_test_2.c: Ditto.
10102
10103 2009-05-15  Ian Lance Taylor  <iant@google.com>
10104
10105         * configure.ac: Check for declarations for cases where libiberty.h
10106         checks HAVE_DECL_xxx.
10107         * configure, config.in: Rebuild.
10108
10109 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
10110
10111         * gold.h (Incremental_argument_list): Remove (invalid) forward
10112         declaration.
10113         * incremental.cc (Incremental_inputs::report_achive): New method.
10114         (Incremental_inputs::report_object): New method.
10115         (Incremental_inputs::report_script): New method.
10116         (Incremental_inputs::finalize_inputs): New method.
10117         (Incremental_inputs::finalize): Call finalize_inputs().
10118         (Incremental_inputs::sized_create_incremental_inputs_section_data):
10119         Create inputs entries.
10120         * incremental.h (Incremental_input_type): New enum.
10121         (Incremental_inputs::Incremental_input): Initialize new fields.
10122         (Incremental_inputs::report_inputs): New method.
10123         (Incremental_inputs::report_achive): New method.
10124         (Incremental_inputs::report_object): New method.
10125         (Incremental_inputs::report_script): New method.
10126         (Incremental_inputs::finalize_inputs): New method.
10127         (Incremental_inputs::Input_info): New struct.
10128         (Incremental_inputs::Input_info_map): New typedef.
10129         (Incremental_inputs::lock_): New field.
10130         (Incremental_inputs::Inputs_): New field.
10131         (Incremental_inputs::Inputs_map): New field.
10132         * main.cc (main): Call Incremental_input::report_inputs.
10133         * options.h (Input_argument_list): Typedef moved from
10134         Input_arguments.
10135         (Input_file_group::Files): Remove, use ::Input_argument_list.
10136         (Input_file_group::Input_argument_list): Remove, use
10137         ::Input_argument_list.
10138         * plugin.cc (Plugin_manager::add_input_file): Add error in
10139         incremental build.
10140         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10141         functions.
10142         * script.cc (read_input_script): Call
10143         Incremental_input::report_script.
10144         * script.h (Script_info): New class.
10145
10146 2009-04-27  Ian Lance Taylor  <iant@google.com>
10147
10148         * x86_64.cc (do_adjust_output_section): Set entsize to
10149         plt_entry_size.
10150
10151 2009-04-23  Elliott Hughes  <enh@google.com>
10152
10153         * output.cc (Output_file::close): After short writes, continue
10154         writing from the correct offset in the buffer being written.
10155
10156 2009-04-23  Chris Demetriou  <cgd@google.com>
10157
10158         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10159         * configure: Regenerate.
10160         * config.in: Regenerate.
10161         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10162         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10163
10164 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10165
10166         * incremental.cc (Incremental_inputs_header_data): Renamed from
10167         Incremental_input_header_data.
10168         (Incremental_inputs_header_data::data_size): New field.
10169         (Incremental_inputs_header_data::put_input_file_count): Renamed
10170         from input_file_count.
10171         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10172         from command_line_offset.
10173         (Incremental_inputs_header_data::put_reserved): Renamed from
10174         put_reserved.
10175         (Incremental_inputs_entry_data): Renamed from
10176         Incremental_input_entry_data.
10177         (Incremental_inputs_entry_data::data_size): New field.
10178         (Incremental_inputs::report_command_line): New method.
10179         (Incremental_inputs::finalize): New method.
10180         (Incremental_inputs::create_incremental_inputs_data): New method.
10181         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10182         * incremental.h: New file.
10183         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10184        (Layout::finalize): Create incremental inputs section in
10185         incremental builds.
10186        (Layout::create_incremental_info_sections): New method.
10187         * layout.h (Layout::incremental_inputs): New method.
10188        (Layout::create_incremental_info_sections): New method.
10189        (Layout::incremental_inputs_): New field.
10190         * main.cc (main): Notify Incremental_input of the command line.
10191
10192 2009-04-01  Ian Lance Taylor  <iant@google.com>
10193             Mikolaj Zalewski  <mikolajz@google.com>
10194
10195         * gold.h (reserve_unordered_map): Define, three versions, one for
10196         each version of Unordered_map.
10197         * layout.cc (Layout::Layout): Remove options parameter.  Add
10198         number_of_input_files parameter.  Don't initialize options_.
10199         Initialize number_of_input_files_ and resized_signatures_.  Move
10200         sections_are_attached_.
10201         (Layout::layout_group): Reserve space for group_signatures_.
10202         (Layout::find_or_add_kept_section): Change name parameter to be a
10203         reference.  Resize signatures_ map when it gets large enough.
10204         (Layout::layout_eh_frame): Use parameters->options() instead of
10205         this->options_.
10206         (Layout::make_output_section): Likewise.
10207         (Layout::attach_allocated_section_to_segment): Likewise.
10208         (Layout::finalize, Layout::create_executable_stack): Likewise.
10209         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10210         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10211         * layout.h (class Layout): Update declarations.  Remove options_
10212         field.  Add number_of_input_files_ and resized_signatures_
10213         fields.  Move sections_are_attached_ field.
10214         * main.cc (main): Pass number of input files to Layout
10215         constructor.  Don't pass options.
10216
10217 2009-03-30  Ian Lance Taylor  <iant@google.com>
10218
10219         * ffsll.c (ffsll): Correct implementation.
10220
10221 2009-03-27  Ian Lance Taylor  <iant@google.com>
10222
10223         * ffsll.c: New file.
10224         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10225         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
10226         * ftruncate.c (ftruncate): Declare before definition.
10227         * mremap.c (mremap): Likewise.
10228         * pread.c (pread): Likewise.
10229         * configure, Makefile.in, config.in: Rebuild.
10230
10231         * mremap.c: New file.
10232         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
10233         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
10234         (mremap): Declare if HAVE_MREMAP is not defined.
10235         * configure, Makefile.in, config.in: Rebuild.
10236
10237 2009-03-27  Cary Coutant  <ccoutant@google.com>
10238
10239         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
10240         position independent.
10241         * sparc.cc (Target_sparc::check_non_pic): Likewise.
10242         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
10243
10244 2009-03-24  Cary Coutant  <ccoutant@google.com>
10245
10246         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
10247         an executable.
10248         (needs_dynamic_reloc): Likewise.
10249
10250 2009-03-24  Ian Lance Taylor  <iant@google.com>
10251
10252         * yyscript.y (file_cmd): Recognize EXTERN.
10253         (extern_name_list, extern_name_list_body): New nonterminals.
10254         * script.cc (script_add_extern): Define.
10255         * script-c.h (script_add_extern): Declare.
10256
10257 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
10258
10259         * object.cc (is_elf_object): Define.
10260         * object.h (is_elf_object): Declare.
10261         * archive.cc (Archive::get_elf_object_for_member): Call
10262         is_elf_object.
10263         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
10264
10265 2009-03-24  Elliott Hughes  <enh@google.com>
10266
10267         * output.cc (Output_file::map_anonymous): Define.
10268         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
10269         try an anonymous one.  Report the size if the mmap fails.
10270         * output.h (class Output_file): Declare map_anonymous.
10271
10272 2009-03-24  Ian Lance Taylor  <iant@google.com>
10273
10274         * target-select.cc (instantiate_target): Don't acquire the lock if
10275         the instantiated_target_ field has already been set.
10276
10277 2009-03-23  Ian Lance Taylor  <iant@google.com>
10278
10279         * gold-threads.h (class Initialize_lock): Define.
10280         * gold-threads.cc (class Initialize_lock_once): Define.
10281         (initialize_lock_control): New static variable.
10282         (initialize_lock_pointer): New static variable.
10283         (initialize_lock_once): New static function.
10284         (Initialize_lock::Initialize_lock): Define.
10285         (Initialize_lock::initialize): Define.
10286         * target-select.h: Include "gold-threads.h".
10287         (class Target_selector): Add lock_ and initialize_lock_ fields.
10288         Don't define instantiate_target, just declare it.
10289         * target-select.cc (Target_selector::Target_selector): Initialize
10290         new fields.
10291         (Target_selector::instantiate_target): Define.
10292         * descriptors.h: Include "gold-threads.h".
10293         (class Descriptors): Add initialize_lock_ field.
10294         * descriptors.cc (Descriptors::Descriptors): Initialize new
10295         field.
10296         (Descriptors::open): Use initialize_lock_ field
10297         * errors.h (class Errors): Add initialize_lock_ field.
10298         * errors.cc (Errors::Errors): Initialize new field.
10299         (Errors::initialize_lock): Use initialize_lock_ field.
10300         * powerpc.cc (class Target_selector_powerpc): Remove
10301         instantiated_target_ field.  In do_recognize call
10302         instantiate_target rather than do_instantiate_target.  In
10303         do_instantiate_target just allocate a new target.
10304         * sparc.cc (class Target_selector_sparc): Likewise.
10305
10306         * freebsd.h: New file.
10307         * i386.cc: Include "freebsd.h".
10308         (Target_i386): Derive from Target_freebsd rather than
10309         Sized_target.
10310         (Target_selector_i386): Derive from Target_selector_freebsd rather
10311         than Target_selector.
10312         * x86_64.cc: Include "freebsd.h".
10313         (Target_x86_64): Derive from Target_freebsd rather than
10314         Sized_target.
10315         (Target_selector_x86_64): Derive from Target_selector_freebsd
10316         rather than Target_selector.
10317         * target.h (class Target): Add adjust_elf_header and
10318         do_adjust_elf_header.
10319         * output.cc (Output_file_header:: do_sized_write): Call target
10320         adjust_elf_header routine.
10321         * configure.tgt: Set targ_osabi.
10322         * configure.ac: Define GOLD_DEFAULT_OSABI.
10323         * parameters.cc (Parameters::default_target): Pass
10324         GOLD_DEFAULT_OSABI to select_target.
10325         * target-select.h (class Target_selector): Make instantiate_target
10326         protected rather than private.
10327         * Makefile.am (HFILES): Add freebsd.h.
10328         * configure, Makefile.in, config.in: Rebuild.
10329
10330         * merge.cc (do_add_input_section): Correct pend value.  Change
10331         message about last entry not being null terminated from error to
10332         warning.
10333
10334 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
10335
10336         * incremental.cc: New file.
10337         * Makefile.am (CCFILES): Add incremental.cc.
10338         * Makefile.in: Rebuild.
10339
10340 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
10341
10342         * layout.cc (Layout::output_section_name): Preserve names
10343         of '.note.' sections.
10344
10345 2009-03-19  Ian Lance Taylor  <iant@google.com>
10346
10347         * descriptors.cc (Descriptors::open): Check that the options are
10348         valid before using them.
10349
10350 2009-03-18  Ian Lance Taylor  <iant@google.com>
10351
10352         * script-sections.h: Include <list>.
10353         (class Script_sections): Change Sections_elements from std::vector
10354         to std::list.  Typedef public Elements_iterator.  Add
10355         orphan_section_placement_, data_segment_align_start_, and
10356         saw_data_segment_align_ fields.  Remove data_segment_align_index_
10357         field.
10358         * script-sections.cc (class Orphan_section_placement): New class.
10359         (class Sections_element): Add virtual functions is_relro and
10360         orphan_section_init.  Remove virtual function place_orphan_here.
10361         (class Output_section_definition): Add is_relro and
10362         orphan_section_init.  Remove place_orphan_here.
10363         (class Orphan_output_section): Likewise.
10364         (Script_sections::Script_sections): Update for field changes.
10365         (Script_sections::data_segment_align): Set saw_data_segment_align_
10366         and data_segment_align_start_, not data_segment_align_index.
10367         (Script_sections::data_segment_relro_end): Check
10368         saw_data_segment_align_.  Use data_segment_align_start_ rather
10369         than data_segment_align_index_.
10370         (Script_sections::place_orphan): Rewrite to use
10371         Orphan_section_placement.
10372
10373 2009-03-17  Ian Lance Taylor  <iant@google.com>
10374
10375         * archive.cc (Archive::add_symbols): Check for a version attached
10376         to the symbol name in the archive map.
10377         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
10378         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
10379         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
10380         (ver_test_11.a): New target.
10381         * testsuite/Makefile.in: Rebuild.
10382
10383         * configure.ac: Check for chsize and posix_fallocate.  Replace
10384         ftruncate.
10385         * ftruncate.c: New file, from gnulib.
10386         * output.cc (posix_fallocate): Define dummy version if not
10387         HAVE_POSIX_FALLOCATE.
10388         (Output_file::map): Call posix_fallocate rather than lseek and
10389         write.
10390         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
10391         * configure, Makefile.in, config.in: Rebuild.
10392
10393 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
10394
10395         * layout.h (Layout::create_note): Add section_name parameter.
10396         * layout.cc (Layout::create_note): Likewise.
10397         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
10398
10399 2009-03-17  Ian Lance Taylor  <iant@google.com>
10400
10401         * descriptors.cc: Include "options.h".
10402         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
10403         (Descriptors::open): Always use O_CLOEXEC when opening a new
10404         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
10405         then set FD_CLOEXEC.
10406
10407         * sparc.cc (class Target_sparc): Add has_got_section.
10408         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
10409         make sure we have a GOT section.
10410
10411         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
10412         (Target_sparc::Scan::local): Likewise.
10413         (Target_sparc::Scan::global): Likewise.
10414         (Target_sparc::Relocate::relocate): Likewise.
10415         (Target_sparc::Relocate::relocate_tls): Likewise.
10416
10417         * symtab.cc (Symbol_table::define_default_version): New function,
10418         broken out of add_from_object.
10419         (Symbol_table::add_from_object): Call define_default_version.
10420         (Symbol_table::define_special_symbol): Add resolve_oldsym
10421         parameter.  Change all callers.  If the version for a symbol comes
10422         from a version script, resolve it with the symbol with the same
10423         name with no version.  Also add the symbol without a version if
10424         appropriate.
10425         (do_define_in_output_data): If resolving with oldsym, don't delete
10426         sym.
10427         (do_define_in_output_segment): Likewise.
10428         (do_define_as_constant): Likewise.
10429         * symtab.h (class Symbol_table): Update declarations.
10430
10431 2009-03-13  Ian Lance Taylor  <iant@google.com>
10432
10433         * readsyms.cc (Read_symbols::incompatible_warning): New function.
10434         (Read_symbols::requeue): New function.
10435         (Read_symbols::do_read_symbols): If make_elf_object fails because
10436         the target type is not configured, and the file was searched for,
10437         issue a warning and retry with the next directory.
10438         (Add_symbols::run): If the file has an incompatible format, and
10439         it was searched for, requeue the Read_symbols task.  On error,
10440         release the object.
10441         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
10442         dirindex parameter to constructor.  Change all callers.  Declare
10443         incompatible_warning and requeue.
10444         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
10445         input_argument_ and input_group_ fields.  Add them to
10446         constructor.  Change all callers.
10447         (class Read_script): Add dirindex_ field.  Add it to constructor.
10448         Change all callers.
10449         * archive.cc (Archive::setup): Remove input_objects parameter.
10450         Change all callers.
10451         (Archive::get_file_and_offset): Likewise.
10452         (Archive::read_all_symbols): Likewise.
10453         (Archive::read_symbols): Likewise.
10454         (Archive::get_elf_object_for_member): Remove input_objects
10455         parameter.  Add punconfigured parameter.  Change all callers.
10456         (Archive::add_symbols): Change return type to bool.  Check return
10457         value of include_member.
10458         (Archive::include_all_members): Likewise.
10459         (Archive::include_member): Change return type to bool.  Return
10460         false if first included object has incompatible target.  Set
10461         included_member_ field.
10462         (Add_archive_symbols::run): If add_symbols returns false, requeue
10463         Read_symbols task.
10464         * archive.h (class Archive): Add included_member_ field.
10465         Initialize it in constructor.  Add input_file and searched_for
10466         methods.  Update declarations.
10467         (class Add_archive_symbols): Add dirpath_, dirindex_, and
10468         input_argument_ fields.  Add them to constructor.  Change all
10469         callers.
10470         * script.cc: Include "target-select.h".
10471         (class Parser_closure): Add skip_on_incompatible_target_ and
10472         found_incompatible_target_ fields.  Add
10473         skip_on_incompatible_target parameter to constructor.  Change all
10474         callers.  Add methods skip_on_incompatible_target,
10475         clear_skip_on_incompatible_target, found_incompatible_target, and
10476         set_found_incompatible_target.
10477         (read_input_script): Add dirindex parameter.  Change all callers.
10478         If parser finds an incompatible target, requeue Read_symbols
10479         task.
10480         (script_set_symbol): Clear skip_on_incompatible_target in
10481         closure.
10482         (script_add_assertion, script_parse_option): Likewise.
10483         (script_start_sections, script_add_phdr): Likewise.
10484         (script_check_output_format): New function.
10485         * script.h (read_input_script): Update declaration.
10486         * script-c.h (script_check_output_format): Declare.
10487         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
10488         (ignore_cmd): Remove OUTPUT_FORMAT.
10489         * fileread.cc (Input_file::Input_file): Add explicit this.
10490         (Input_file::will_search_for): New function.
10491         (Input_file::open): Add pindex parameter.  Change all callers.
10492         * fileread.h (class Input_file): Add input_file_argument method.
10493         Declare will_search_for.  Update declarations.
10494         * object.cc (make_elf_object): Add punconfigured parameter.
10495         Change all callers.
10496         * object.h (class Object): Make input_file public.  Add
10497         searched_for method.
10498         (make_elf_object): Update declaration.
10499         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
10500         restart search.
10501         * dirsearch.h (class Dirsearch): Update declaration.
10502         * options.h (class General_options): Add --warn-search-mismatch.
10503         * parameters.cc (Parameters::is_compatible_target): New function.
10504         * parameters.h (class Parameters): Declare is_compatible_target.
10505         * workqueue.cc (Workqueue::add_blocker): New function.
10506         * workqueue.h (class Workqueue): Declare add_blocker.
10507
10508         * fileread.cc (Input_file::open): Remove options parameter.
10509         Change all callers.
10510         (Input_file::open_binary): Likewise.
10511         * script.cc (read_input_script): Likewise.
10512         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
10513         options parameter from constructor.  Change all callers.
10514         (class Read_script): Likewise.
10515         * fileread.h (class Input_file): Update declarations.
10516         * script.h (read_input_script): Update declaration.
10517
10518 2009-03-10  Nick Clifton  <nickc@redhat.com>
10519
10520         * po/es.po: New Spanish translation.
10521
10522 2009-03-06  Cary Coutant  <ccoutant@google.com>
10523
10524         * options.cc (parse_short_option): Keep dash_z from registering itself.
10525
10526 2009-03-03  Ian Lance Taylor  <iant@google.com>
10527
10528         PR 9918
10529         * target-reloc.h (relocate_section): Pass output_section to
10530         relocate.
10531         * i386.cc (Target_i386::should_apply_static_reloc): Add
10532         output_section parameter.  Change all callers.
10533         (Target_i386::Relocate::relocate): Add output_section parameter.
10534         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10535         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10536         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10537         * testsuite/two_file_shared.sh: New script.
10538         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10539         (check_DATA): Add two_file_shared.dbg.
10540         (two_file_shared.dbg): New target.
10541         * testsuite/Makefile.in: Rebuild.
10542
10543 2009-03-01  Ian Lance Taylor  <iant@google.com>
10544
10545         * configure.ac: Check for byteswap.h.
10546         * configure: Rebuild.
10547         * config.in: Rebuild.
10548
10549 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10550
10551         * layout.cc (Layout::find_or_add_kept_section): New function.
10552         (Layout::add_comdat): Removed.
10553         * layout.h (struct Kept_section): Move out of class Layout.
10554         Remove trailing underscores from field names.  Add group_sections
10555         field.  Rename group_ field to is_group.  Change all uses.
10556         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10557         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10558         comdat_groups_ field.
10559         (Sized_relobj::include_section_group): Use
10560         find_or_add_kept_section and Kept_section::group_sections.
10561         (Sized_relobj::include_linkonce_section): Likewise.
10562         * object.cc (class Sized_relobj): Don't define Comdat_group or
10563         Comdat_group_table.  Remove find_comdat_group and
10564         add_comdat_group.  Remove comdat_groups_ field.
10565         * plugin.cc (include_comdat_group): Use
10566         Layout::find_or_add_kept_section.
10567
10568 2009-02-28  Ian Lance Taylor  <iant@google.com>
10569
10570         * README: --gc-sections and map files are now supported.  Document
10571         some build requirements.
10572
10573         PR 6992
10574         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10575         relocatable link set the value of the section symbol to zero.
10576         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10577         relocatable link don't include the section address in the local
10578         symbol value.
10579
10580 2009-02-27  Ian Lance Taylor  <iant@google.com>
10581
10582         PR 6811
10583         * options.h (class Search_directory): Add is_system_directory.
10584         (class General_options): Declare is_in_system_directory.
10585         * options.cc (get_relative_sysroot): Make static.
10586         (get_default_sysroot): Make static.
10587         (General_optoins::is_in_system_directory): New function.
10588         * fileread.cc (Input_file::is_in_system_directory): New function.
10589         * fileread.h (class Input_file): Declare is_in_system_directory.
10590         * object.h (class Object): Add is_in_system_directory.
10591         (class Input_objects): Remove system_library_directory_ field.
10592         * object.cc (Input_objects::add_object): Don't set
10593         system_library_directory_.
10594         (input_objects::found_in_system_library_directory): Remove.
10595         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10596         parameter.  Change all callers.
10597         (Symbol_table::sized_write_globals): Likewise.
10598         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10599         Call Object::is_in_system_directory.
10600         * symtab.h (class Symbol_table): Update declarations.
10601
10602         PR 5990
10603         * descriptors.h (Open_descriptor): Add is_on_stack field.
10604         * descriptors.cc (Descriptors::open): If the descriptor is on the
10605         top of the stack, remove it.  Initialize is_on_stack field.
10606         (Descriptors::release): Only add pod to stack if it is not on the
10607         stack already.
10608         (Descriptors::close_some_descriptor): Clear stack_next and
10609         is_on_stack fields.
10610
10611         PR 7091
10612         * output.cc (Output_section::find_starting_output_address): Rename
10613         from starting_output_address; add PADDR parameter; change return
10614         type.
10615         * output.h (class Output_section): Declare
10616         find_starting_output_address instead of starting_output_address.
10617         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10618         section symbol for which we can't find a merge section.
10619
10620         PR 9836
10621         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10622         hidden or internal, force the symbol to be local.
10623         * resolve.cc (Symbol::override_visibility): Define.
10624         (Symbol::override_base): Use override_visibility.
10625         (Symbol_table::resolve): Likewise.
10626         (Symbol::override_base_with_special): Likewise.
10627         (Symbol_table::override_with_special): If the visibility is hidden
10628         or internal, force the symbol to be local.
10629         * symtab.h (class Symbol): Add set_visibility and
10630         override_visibility.
10631         * testsuite/ver_test_1.sh: New file.
10632         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10633         (check_DATA): Add ver_test_1.syms.
10634         (ver_test_1.syms): New target.
10635         * testsuite/Makefile.in: Rebuild.
10636
10637 2009-02-25  Cary Coutant  <ccoutant@google.com>
10638
10639         * layout.cc (Layout::choose_output_section): Don't rename sections
10640         when using a linker script that has a SECTIONS clause.
10641         * Makefile.in: Regenerate.
10642
10643         * testsuite/Makefile.am (script_test_5.sh): New test case.
10644         * testsuite/Makefile.in: Regenerate.
10645         * testsuite/script_test_5.cc: New file.
10646         * testsuite/script_test_5.sh: New file.
10647         * testsuite/script_test_5.t: New file.
10648
10649 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10650
10651         * archive.cc (Archive::include_member): Update calls to add_symbols.
10652         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10653         the Layout argument.
10654         * dynobj.h (do_add_symbols): Add the Layout argument.
10655         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10656         Layout argument.
10657         * object.h (Object::add_symbols): Add the Layout argument.
10658         (Object::do_add_symbols): Add the Layout argument.
10659         (Sized_relobj::do_add_symbols): Add the Layout argument.
10660         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10661         Unify the two versions.
10662         (Add_plugin_symbols): Remove.
10663         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10664         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10665         (Add_plugin_symbols): Remove.
10666         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10667         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10668         (Add_symbols::run): Make it work with Pulginobj.
10669
10670 2009-02-06  Ian Lance Taylor  <iant@google.com>
10671
10672         * object.cc (Sized_relobj::do_layout): Make info message start
10673         with lower case letter.
10674
10675 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10676
10677         * binary.cc: Fix file comment.
10678
10679         * options.h (enum Incremental_disposition): Define.
10680         (class General_options): Add new options: --incremental,
10681         --incremental_changed, --incremental_unchanged,
10682         --incremental_unknown.  Add incremental_disposition_ and
10683         implicit_incremental_ fields.
10684         (General_options::incremental_disposition): New function.
10685         (class Position_dependent_options): Add incremental_disposition
10686         option.
10687         (Position_dependent_options::copy_from_options): Set incremental
10688         dispositions.
10689         * options.cc (General_options::parse_incremental_changed): New
10690         function.
10691         (General_options::parse_incremental_unchanged): New function.
10692         (General_options::parse_incremental_unknown): New function.
10693         (General_options::General_options): Initialize new fields
10694         incremental_disposition_ and implicit_incremental_.
10695         (General_options::finalize): Check for uasge of --incremental-*
10696         without --incremental.
10697
10698 2009-02-06  Chris Demetriou  <cgd@google.com>
10699
10700         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10701         pointer and to report location as the file name associated with
10702         the symbol.
10703         (gold_undefined_symbol_at_location): New function to replace the
10704         old gold_undefined_symbol functionality.
10705         * target-reloc.h (relocate_section): Update to use
10706         gold_undefined_symbol_at_location.
10707         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10708         Call gold_undefined_symbol function rather than gold_error.
10709         * errors.h (Errors::undefined_symbol): Take location as a
10710         string, rather than calculating it from a relocation.
10711         * errors.cc (Errors::fatal): Print "fatal error:" before the
10712         formatted message.
10713         (Errors::error, Errors::error_at_location): Print "error: "
10714         before the formatted message.
10715         (Errors::undefined_symbol): Take location as a string, rather
10716         than calculating it from a relocation.
10717         (gold_undefined_symbol_at_location): New function akin to
10718         old gold_undefined_symbol, calculates location from relocation.
10719         (gold_undefined_symbol): Change to take only a Symbol pointer
10720         and to report location as the file name associated with the symbol.
10721         * testsuite/debug_msg.sh: Update for changed error messages.
10722         * testsuite/undef_symbol.sh: Likewise.
10723
10724 2009-02-04  Duncan Sands  <baldrick@free.fr>
10725
10726         PR 9812
10727         * reduced_debug_output.h
10728         (Output_reduced_debug_abbrev_section::failed): Use format for
10729         gold_warning.
10730         (Output_reduced_debug_info_section::faild): Likewise.
10731
10732 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10733
10734         * script.cc (Lazy_demangler): New class.
10735         (Version_script_info::get_symbol_version_helper): Demangle a
10736         symbol only once.
10737
10738 2009-01-29  Cary Coutant  <ccoutant@google.com>
10739
10740         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10741         to __tls_get_addr.
10742         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10743
10744 2009-01-28  Ian Lance Taylor  <iant@google.com>
10745
10746         * version.cc (version_string): Bump to 1.9.
10747
10748         * gold.h: Include <cstring> and <stdint.h>.
10749         * version.cc: Include <cstdio>.
10750         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10751         warning.
10752         * reduced_debug_output.cc (insert_into_vector): Rename from
10753         Insert_into_vector; change all callers.  Use Swap_unaligned to
10754         avoid aliasing issue; remove union since it is unnecessary.
10755
10756 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10757
10758         * Makefile.am (CCFILES): Add gc.cc.
10759         (HFILES): Add gc.h.
10760         * Makefile.in: Regenerate.
10761         * gold.cc (Gc_runner): New class.
10762         (queue_initial_tasks): Call garbage collection related tasks
10763         when corresponding options are invoked.
10764         (queue_middle_gc_tasks): New function.
10765         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10766         processed early before laying out sections during garbage collection.
10767         * gold.h (queue_middle_gc_tasks): New function.
10768         (is_prefix_of): Move from "layout.cc".
10769         * i386.cc (Target_i386::gc_process_relocs): New function.
10770         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10771         * main.cc (main): Create object of class "Garbage_collection".
10772         * object.cc (Relobj::copy_symbols_data): New function.
10773         (Relobj::is_section_name_included): New function.
10774         (Sized_relobj::do_layout): Allow this function to be called twice
10775         during garbage collection and defer layout of section during the
10776         first call.
10777         * object.h (Relobj::get_symbols_data): New function.
10778         (Relobj::is_section_name_included): New function.
10779         (Relobj::copy_symbols_data): New function.
10780         (Relobj::set_symbols_data): New function.
10781         (Relobj::get_relocs_data): New function.
10782         (Relobj::set_relocs_data): New function.
10783         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10784         (Relobj::gc_process_relocs): New function.
10785         (Relobj::do_gc_process_relocs): New pure virtual function.
10786         (Relobj::sd_): New data member.
10787         (Sized_relobj::is_output_section_offset_invalid): New function.
10788         (Sized_relobj::do_gc_process_relocs): New function.
10789         * options.h (General_options::gc_sections): Modify to not be a no-op.
10790         (General_options::print_gc_sections): New option.
10791         * plugin.cc (Plugin_finish::run): Remove function call to
10792         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10793         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10794         * reloc.cc (Read_relocs::run): Add task to process relocs and
10795         determine unreferenced sections when doing garbage collection.
10796         (Gc_process_relocs): New class.
10797         (Sized_relobj::do_gc_process_relocs): New function.
10798         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10799         sections that are garbage collected.
10800         * reloc.h (Gc_process_relocs): New class.
10801         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10802         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10803         symbols whose corresponding sections are garbage collected.
10804         (Symbol_table::Symbol_table): Add new parameter for the garbage
10805         collection object.
10806         (Symbol_table::gc_mark_undef_symbols): New function.
10807         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10808         (Symbol_table::gc_mark_dyn_syms): New function.
10809         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10810         as garbage.
10811         (Symbol_table::add_from_object): Likewise.
10812         (Symbol_table::add_from_relobj): When building shared objects, do not
10813         treat externally visible symbols as garbage.
10814         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10815         table information for static and relocatable links.
10816         * symtab.h (Symbol_table::set_gc): New function.
10817         (Symbol_table::gc): New function.
10818         (Symbol_table::gc_mark_undef_symbols): New function.
10819         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10820         (Symbol_table::gc_mark_dyn_syms): New function.
10821         (Symbol_table::gc_): New data member.
10822         * target.h (Sized_target::gc_process_relocs): New pure virtual
10823         function.
10824         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10825         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10826
10827 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10828
10829         * options.h (General_options::gc_sections): Define as a no-op for now.
10830         (General_options::no_keep_memory): Ditto.
10831         (General_options::Bshareable): Define.
10832         * options.cc (General_options::finalize): Honor -Bshareable.
10833
10834 2009-01-20  Andreas Schwab  <schwab@suse.de>
10835
10836         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10837         read the value in the contents, since we don't use it.  Use the
10838         template endianness when writing.
10839         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10840
10841 2009-01-19  Andreas Schwab  <schwab@suse.de>
10842
10843         * configure.tgt (powerpc64-*): Fix targ_obj.
10844
10845 2009-01-15  Ian Lance Taylor  <iant@google.com>
10846
10847         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10848         local symbols when stripping all symbols.
10849
10850 2009-01-14  Cary Coutant  <ccoutant@google.com>
10851
10852         * output.cc (Output_reloc): Add explicit instantiations.
10853
10854 2009-01-14  Cary Coutant  <ccoutant@google.com>
10855
10856         * archive.cc (Archive::get_elf_object_for_member): Remove call
10857         to File_read::claim_for_plugin.
10858         * descriptors.cc (Descriptors::open): Remove reference to
10859         is_claimed.
10860         (Descriptors::claim_for_plugin): Remove.
10861         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10862         (Descriptors::is_claimed): Remove.
10863         (claim_descriptor_for_plugin): Remove.
10864         * fileread.cc (File_read::claim_for_plugin): Remove.
10865         * fileread.h (File_read::claim_for_plugin): Remove.
10866         (File_read::descriptor): Reopen descriptor if necessary.
10867         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10868         (Plugin_manager::all_symbols_read): Add task parameter. Change
10869         all callers.
10870         (Plugin_manager::get_input_file): New function.
10871         (Plugin_manager::release_input_file): New function.
10872         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10873         corresponding data member.
10874         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10875         and pass to base constructor. Change all callers.
10876         (get_input_file, release_input_file): New functions.
10877         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10878         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10879         (Plugin_manager::all_symbols_read): Add task parameter.
10880         (Plugin_manager::get_input_file): New function.
10881         (Plugin_manager::release_input_file): New function.
10882         (Plugin_manager::task_): New data member.
10883         (Pluginobj::Pluginobj): Add filesize parameter.
10884         (Pluginobj::filename): New function.
10885         (Pluginobj::descriptor): New function.
10886         (Pluginobj::filesize): New function.
10887         (Pluginobj::filesize_): New data member.
10888         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10889         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10890         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10891
10892         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10893         with archive libraries.
10894         * testsuite/Makefile.in: Regenerate.
10895         * testsuite/plugin_test.c (struct sym_info): New type.
10896         (get_input_file, release_input_file): New static variables.
10897         (onload): Capture new transfer vector entries.
10898         (claim_file_hook): Stop reading at end of file according to filesize.
10899         Factor out parsing of readelf output into separate function.
10900         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10901         APIs and get the source file name from the symbol table.  Convert
10902         source file name to corresponding object file name.  Print info
10903         message when adding new input files.
10904         (parse_readelf_line): New function.
10905         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10906         * testsuite/plugin_test_2.sh: Likewise.
10907         * testsuite/plugin_test_3.sh: Likewise.
10908         * testsuite/plugin_test_4.sh: New test case.
10909
10910 2009-01-07  Ian Lance Taylor  <iant@google.com>
10911
10912         * version.cc (version_string): Bump to 1.8.
10913
10914 2008-12-23  Cary Coutant  <ccoutant@google.com>
10915
10916         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10917         * plugin.cc (Plugin_manager::finish): Rename as
10918         layout_deferred_objects.  Move cleanup to separate function.
10919         (Plugin_manager::cleanup): New function.
10920         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10921         separately.
10922         * plugin.h (Plugin_manager::finish): Rename as
10923         layout_deferred_objects.
10924         (Plugin_manager::cleanup): New function.
10925         (Plugin_manager::cleanup_done): New field.
10926
10927 2008-12-23  Cary Coutant  <ccoutant@google.com>
10928
10929         * plugin.cc (is_visible_from_outside): New function.
10930         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10931         so we don't return "IR only" status for exported symbols or -r links.
10932
10933         * testsuite/Makefile.am (plugin_test_3): New test case.
10934         * testsuite/Makefile.in: Regenerate.
10935         * testsuite/plugin_test_3.sh: New file.
10936
10937 2008-12-22  Cary Coutant  <ccoutant@google.com>
10938
10939         * object.cc (Sized_relobj::layout_section): New function.
10940         (Sized_relobj::do_layout): Defer layout of input sections until after
10941         plugin has provided replacement files.
10942         (Sized_relobj::do_layout_deferred_sections): New function.
10943         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10944         (Relobj::layout_deferred_sections): New function.
10945         (Relobj::do_layout_deferred_sections): New function.
10946         (Sized_relobj::do_layout_deferred_sections): New function.
10947         (Sized_relobj::layout_section): New function.
10948         (Sized_relobj::Deferred_layout): New structure.
10949         (Sized_relobj::deferred_layout_): New field.
10950         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10951         Change all callers.  Layout deferred sections.
10952         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10953         references.
10954         (Plugin_hook::run): Move code from do_plugin_hook inline.
10955         (Plugin_hook::do_plugin_hook): Remove.
10956         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10957         (Plugin_manager::finish): Renamed, was cleanup.
10958         (Plugin_manager::should_defer_layout): New function.
10959         (Plugin_manager::add_deferred_layout_object): New function.
10960         (Plugin_manager::Deferred_layout_list): New type.
10961         (Plugin_manager::deferred_layout_objects_): New field.
10962         (Plugin_hook::do_plugin_hook): Remove.
10963
10964 2008-12-17  Ian Lance Taylor  <iant@google.com>
10965
10966         * options.h (class General_options): Add --no case for
10967         --export-dynamic.
10968
10969 2008-12-16  Cary Coutant  <ccoutant@google.com>
10970
10971         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10972         vector.
10973         (Plugin_manager::claim_file): Create plugin object even if
10974         plugin did not call the add_symbols callback.
10975         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10976         asking for more symbols than were added.
10977         * testsuite/Makefile.am (plugin_test_1): Add test case with
10978         no global symbols.
10979         (empty.syms): New target.
10980         * testsuite/Makefile.in: Regenerate.
10981         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10982         message. Don't call add_symbols if no globals.
10983         (all_symbols_read_hook): Don't provide replacement for empty
10984         claimed file.
10985
10986 2008-12-12  Ian Lance Taylor  <iant@google.com>
10987
10988         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10989         r_type == 0 for a local symbol with r_sym == 0.
10990         (scan_relocatable_relocs): Pass r_sym to
10991         local_non_section_strategy.
10992         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10993         r_sym parameter.
10994
10995         * configure.ac: Update test for TLS descriptors: they are
10996         supported as of glibc 2.9.
10997         * configure: Rebuild.
10998
10999 2008-12-11  Ian Lance Taylor  <iant@google.com>
11000
11001         PR 7091
11002         * target-reloc.h (Default_scan_relocatable_relocs): For each
11003         function, map r_type == 0 to RELOC_DISCARD.
11004
11005 2008-12-10  Cary Coutant  <ccoutant@google.com>
11006
11007         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
11008         object to override a kept COMDAT group from a plugin object.
11009
11010 2008-12-09  Ian Lance Taylor  <iant@google.com>
11011
11012         PR 7088
11013         * yyscript.y (file_cmd): Handle INPUT.
11014
11015         * testsuite/initpri1.c: Change all declarations to be full
11016         prototypes by adding void, to avoid compiler warnings.
11017
11018 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
11019
11020         * options.cc (General_options::parse_plugin_opt): New.
11021         (General_options::add_plugin): The argument now is just the filename.
11022         (General_options::add_plugin_option): New.
11023         * options.h (plugin_opt): New.
11024         (add_plugin): Change argument name.
11025         (add_plugin_option): New.
11026         * plugin.cc (Plugin::load): Don't parse the plugin option.
11027         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
11028         (Plugin::add_option): New.
11029         (Plugin::args_): Change type.
11030         (Plugin::filename_): New.
11031         (Plugin_manager::add_plugin_option): New.
11032         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
11033         * testsuite/Makefile.in: Regenerate.
11034
11035 2008-12-05  Cary Coutant  <ccoutant@google.com>
11036
11037         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
11038         Handle --strip-lto-sections option.
11039         * options.h (strip_lto_sections): New option.
11040
11041 2008-12-01  Cary Coutant  <ccoutant@google.com>
11042
11043         * plugin.cc (ld_plugin_message): Change format parameter to const.
11044         Fix mismatch between new[] and delete.
11045
11046 2008-11-14  Cary Coutant  <ccoutant@google.com>
11047
11048         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
11049         instead of -1U.
11050
11051 2008-11-05  Craig Silverstein  <csilvers@google.com>
11052
11053         * options.cc (General_options::parse_dynamic_list): New function.
11054         * options.h (General_options): New flags dynamic_list,
11055         dynamic_list_data, dynamic_list_cpp_new, and
11056         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
11057         (General_options::in_dynamic_list): New function.
11058         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
11059         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
11060         (Lex::can_continue_name): Likewise.
11061         (yylex): Likewise.
11062         (read_script_file): New parameter script_options.
11063         (read_dynamic_list): New function.
11064         (Script_options::define_dynamic_list): New function.
11065         (dynamic_list_keyword_parsecodes): New variable.
11066         (dynamic_list_keywords): New variable.
11067         * script.h (Script_options::define_dynamic_list): New function
11068         prototype.
11069         (read_dynamic_list): New function prototype.
11070         * symtab.cc (strprefix): New macro.
11071         (Symbol::should_add_dynsym_entry): Support dynamic_list,
11072         dynamic_list_data, dynamic_list_cpp_new, and
11073         dynamic_list_cpp_typeinfo.
11074         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
11075         (dynamic_list_expr): New rule.
11076         (dynamic_list_nodes): Likewise.
11077         (dynamic_list_node): Likewise.
11078         * testsuite/Makefile.am (dynamic_list): New test.
11079         * testsuite/Makefile.in: Regenerated.
11080         * testsuite/dynamic_list.t: New file.
11081         * testsuite/dynamic_list.sh: New file.
11082
11083 2008-11-05  Craig Silverstein  <csilvers@google.com>
11084
11085         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
11086         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
11087         (t11_last): Likewise.
11088         * testsuite/ver_test_6.c (main): Likewise.
11089
11090 2008-10-07  Cary Coutant  <ccoutant@google.com>
11091
11092         * options.c (General_options::finalize): Add check for -static and
11093         -shared.
11094         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
11095         is not empty.
11096
11097 2008-10-02  Cary Coutant  <ccoutant@google.com>
11098
11099         * plugin.cc (make_sized_plugin_object): Fix conditional
11100         compilation to work when not all targets are enabled.
11101
11102 2008-09-29  Cary Coutant  <ccoutant@google.com>
11103
11104         * archive.cc (Archive::get_file_and_offset): Use filename instead
11105         of name to get library path.
11106         (Archive::include_member): Unlock external member of a thin archive.
11107
11108         * testsuite/Makefile.am (TEST_AR): New variable.
11109         (thin_archive_test_1): New test.
11110         (thin_archive_test_2): New test.
11111         * testsuite/Makefile.in: Regenerate.
11112         * testsuite/thin_archive_main.cc: New file.
11113         * testsuite/thin_archive_test_1.cc: New file.
11114         * testsuite/thin_archive_test_2.cc: New file.
11115         * testsuite/thin_archive_test_3.cc: New file.
11116         * testsuite/thin_archive_test_4.cc: New file.
11117
11118 2008-09-29  Cary Coutant  <ccoutant@google.com>
11119
11120         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11121         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11122         instead of -1U.
11123         (Sized_relobj::do_finalize_local_symbols): Likewise.
11124         (Sized_relobj::map_to_kept_section): Likewise.
11125         * object.h (Sized_relobj::invalid_address): New constant.
11126         (Sized_relobj::do_output_section_offset): Check for invalid_address
11127         and return -1ULL.
11128         * output.cc (Output_reloc::local_section_offset): Use constant
11129         invalid_address instead of -1U.
11130         (Output_reloc::get_address): Likewise.
11131         (Output_section::output_address): Change -1U to -1ULL.
11132         * output.h (Output_reloc::invalid_address): New constant.
11133         * reloc.cc (Sized_relobj::write_sections): Use constant
11134         invalid_address instead of -1U.
11135         (Sized_relobj::relocate_sections): Likewise.
11136         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11137         values for merge sections.
11138         * target-reloc.h (relocate_for_relocatable): Use constant
11139         invalid_address instead of -1U.
11140
11141 2008-09-19  Cary Coutant  <ccoutant@google.com>
11142
11143         Add plugin functionality for link-time optimization (LTO).
11144         * configure.ac (plugins): Add --enable-plugins option.
11145         * configure: Regenerate.
11146         * config.in: Regenerate.
11147         * Makefile.am (LIBDL): New variable.
11148         (CCFILES): Add plugin.cc.
11149         (HFILES): Add plugin.h.
11150         (ldadd_var): Add LIBDL.
11151         * Makefile.in: Regenerate.
11152
11153         * archive.cc: Include "plugin.h".
11154         (Archive::setup): Don't preread archive symbols when using a plugin.
11155         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11156         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11157         files.
11158         (Archive::include_member): Add symbols from plugin objects.
11159         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11160         * descriptors.cc (Descriptors::open): Check for file descriptors
11161         abandoned by plugins.
11162         (Descriptors::claim_for_plugin): New function.
11163         * descriptors.h (Descriptors::claim_for_plugin): New function.
11164         (Open_descriptor::is_claimed): New field.
11165         (claim_descriptor_for_plugin): New function.
11166         * fileread.cc (File_read::claim_for_plugin): New function.
11167         * fileread.h (File_read::claim_for_plugin): New function.
11168         (File_read::descriptor): New function.
11169         * gold.cc: Include "plugin.h".
11170         (queue_initial_tasks): Add task to call plugin hooks for generating
11171         new object files.
11172         * main.cc: Include "plugin.h".
11173         (main): Load plugin libraries.
11174         * object.h (Pluginobj): Declare.
11175         (Object::pluginobj): New function.
11176         (Object::do_pluginobj): New function.
11177         (Object::set_target): New function.
11178         * options.cc: Include "plugin.h".
11179         (General_options::parse_plugin): New function.
11180         (General_options::General_options): Initialize plugins_ field.
11181         (General_options::add_plugin): New function.
11182         * options.h (Plugin_manager): Declare.
11183         (General_options): Add --plugin option.
11184         (General_options::has_plugins): New function.
11185         (General_options::plugins): New function.
11186         (General_options::add_plugin): New function.
11187         (General_options::plugins_): New field.
11188         * plugin.cc: New file.
11189         * plugin.h: New file.
11190         * readsyms.cc: Include "plugin.h".
11191         (Read_symbols::do_read_symbols): Check for archive before checking
11192         for ELF file.  Call plugin hooks to claim files.
11193         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11194         from a real object file; force override when processing replacement
11195         files.
11196         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11197         (Symbol::init_base_object): Likewise.
11198         (Symbol::init_base_output_data): Likewise.
11199         (Symbol::init_base_output_segment): Likewise.
11200         (Symbol::init_base_constant): Likewise.
11201         (Symbol::init_base_undefined): Likewise.
11202         (Symbol::output_section): Assert that object is not a plugin.
11203         (Symbol_table::add_from_pluginobj): New function.
11204         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11205         undefined.
11206         (Symbol_table::sized_write_globals): Likewise.
11207         (Symbol_table::add_from_pluginobj): Instantiate template.
11208         * symtab.h (Sized_pluginobj): Declare.
11209         (Symbol::in_real_elf): New function.
11210         (Symbol::set_in_real_elf): New function.
11211         (Symbol::in_real_elf_): New field.
11212         (Symbol_table::add_from_pluginobj): New function.
11213
11214         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11215         (LIBDL): New variable.
11216         (LDADD): Add LIBDL.
11217         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11218         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11219         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11220         (MOSTLYCLEANFILES): Likewise.
11221         * testsuite/Makefile.in: Regenerate.
11222         * testsuite/plugin_test.c: New file.
11223         * testsuite/plugin_test_1.sh: New file.
11224         * testsuite/plugin_test_2.sh: New file.
11225
11226 2008-09-16  Ian Lance Taylor  <iant@google.com>
11227
11228         * target-reloc.h (relocate_section): Check whether a symbol is
11229         defined by the ABI before reporting an undefined symbol error.
11230         * target.h (Target::is_defined_by_abi): Make parameter const.
11231         (Target::do_is_defined_by_abi): Likewise.
11232         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
11233         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
11234         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
11235         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
11236         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
11237         * testsuite/Makefile.in: Rebuild.
11238
11239         * fileread.cc (make_view): Add casts to avoid warning.
11240
11241 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11242
11243         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
11244         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11245
11246 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11247
11248         * options.h (General_options::output_is_executable): New.
11249         (General_options::output_is_pie): New.
11250         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
11251         for shared libraries.
11252         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11253
11254 2008-09-11  Chris Demetriou  <cgd@google.com>
11255
11256         * options.h (origin): New -z option.
11257         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
11258         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
11259         in DT_FLAGS_1.
11260
11261 2008-09-05  Cary Coutant  <ccoutant@google.com>
11262
11263         * fileread.cc (File_read::make_view): Add check for attempt to map
11264         beyond end of file.
11265
11266 2008-09-05  Cary Coutant  <ccoutant@google.com>
11267
11268         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
11269         explicit instantiations.
11270
11271 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
11272
11273         PR gold/6858
11274         * options.cc (General_options::finalize): Allow undefined symbols
11275         in shlibs if linking -shared.
11276
11277         PR gold/6859
11278         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
11279         symbols as not needing a dynsym entry.
11280
11281 2008-08-20  Craig Silverstein  <csilvers@google.com>
11282
11283         * fileread.cc (File_read::open): Do not lock the file unless it
11284         was successfully opened.
11285
11286 2008-08-14  Cary Coutant  <ccoutant@google.com>
11287
11288         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
11289         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
11290         * testsuite/tls_test.cc (struct int128): 128-bit struct
11291         for testing TLS relocs with non-zero addend.
11292         (v12): New TLS variable.
11293         (t12): New test.
11294         (t_last): Add check for v12.
11295         * testsuite/tls_test.h (t12): New function.
11296         * testsuite/tls_test_main.cc (thread_routine): Call new test.
11297
11298 2008-08-13  Ian Lance Taylor  <iant@google.com>
11299
11300         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
11301         set tls_segment_ or relro_segment_.
11302         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
11303         when appropriate.
11304         * output.h (Output_section::clear_is_relro): New function.
11305         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
11306         sections specially even when output_data_ is empty.
11307         (Output_segment::maximum_alignment): When first section is relro,
11308         only force alignment for PT_LOAD segments.
11309         * script.cc (script_data_segment_align): New function.
11310         (script_data_segment_relro_end): New function.
11311         * script-c.h (script_data_segment_align): Declare.
11312         (script_data_segment_relro_end): Declare.
11313         * script-sections.h (class Script_sections): Declare
11314         data_segment_align and data_segment_relro_end.  Add fields
11315         segment_align_index_ and saw_relro_end_.
11316         * script-sections.cc (class Sections_element): Add set_is_relro
11317         virtual function.  Add new bool* parameter to place_orphan_here.
11318         Add get_output_section virtual function.
11319         (class Output_section_definition): Add set_is_relro.  Add new
11320         bool* parameter to place_orphan_here.  Add get_output_section.
11321         Add is_relro_ field.
11322         (Output_section_definition::Output_section_definition): Initialize
11323         evaluated_address_, evaluated_load_address, evaluated_addralign_,
11324         and is_relro_ fields.
11325         (Output_section_definition::place_orphan_here): Add is_relro
11326         parameter.
11327         (Output_section_definition::set_section_addresses): Set relro for
11328         output section.
11329         (Output_section_definition::alternate_constraint): Likewise.
11330         (class Orphan_output_section): Add new bool* parameter to
11331         place_orphan_here.  Add get_output_section.
11332         (Orphan_output_section::place_orphan_here): Add is_relro
11333         parameter.
11334         (Script_sections::Script_sections): Initialize
11335         data_segment_align_index_ and saw_relro_end_.
11336         (Script_sections::data_segment_align): New function.
11337         (Script_sections::data_segment_relro_end): New function.
11338         (Script_sections::place_orphan): Set or clear is_relro.
11339         (Script_sections::set_section_addresses): Force alignment of first
11340         TLS section.
11341         * yyscript.y (exp): Call script_data_segment_align and
11342         script_data_segment_relro_end.
11343         * testsuite/relro_script_test.t: New file.
11344         * testsuite/relro_test.cc (using_script): Declare.
11345         (t1, t2): Test using_script.
11346         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
11347         (relro_script_test_SOURCES): Define.
11348         (relro_script_test_DEPENDENCIES): Define.
11349         (relro_script_test_LDFLAGS): Define.
11350         (relro_script_test_LDADD): Define.
11351         (relro_script_test.so): New target.
11352         * testsuite/Makefile.in: Rebuild.
11353
11354 2008-08-06  Cary Coutant <ccoutant@google.com>
11355
11356         * archive.cc (Archive::total_archives, Archive::total_members)
11357         (Archive::total_members_loaded): New variables.
11358         (Archive::setup): Add parameter.  Add option to preread
11359         archive symbols.
11360         (Archive::read_armap): Add counter.
11361         (Archive::get_file_and_offset): New function.
11362         (Archive::get_elf_object_for_member): New function.
11363         (Archive::read_all_symbols): New function.
11364         (Archive::read_symbols): New function.
11365         (Archive::add_symbols): Add counters.
11366         (Archive::include_all_members): Use armap to find members if it's
11367         already built.
11368         (Archive::include_member): Skip reading symbols if already read.
11369         Factored code into Archive::get_file_and_offset and
11370         Archive::get_elf_object_for_member.  Changed call to
11371         Mapfile::report_include_archive_member.
11372         (Archive::print_stats): New function.
11373         * archive.h: Declare Object and Read_symbols_data classes.
11374         (Archive::Archive): Add initializers for new members.
11375         (Archive::setup): Add parameter.
11376         (Archive::print_stats): New function.
11377         (Archive::total_archives, Archive::total_members)
11378         (Archive::total_members_loaded): New variables.
11379         (Archive::get_file_and_offset): New function.
11380         (Archive::get_elf_object_for_member): New function.
11381         (Archive::read_all_symbols): New function.
11382         (Archive::read_symbols): New function.
11383         (Archive::Archive_member): New class.
11384         (Archive::members_): New member.
11385         (Archive::num_members_): New member.
11386         * main.cc: Include archive.h.
11387         (main): Call Archive::print_stats.
11388         * mapfile.cc (Mapfile::report_include_archive_member): Delete
11389         archive parameter; member_name is now the fully-decorated name.
11390         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
11391         * options.h: (General_options): Add --preread-archive-symbols option.
11392         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
11393         Archive::setup.
11394
11395 2008-08-04  Ian Lance Taylor  <iant@google.com>
11396
11397         * symtab.h (Symbol::use_plt_offset): New function.
11398         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
11399         * powerpc.cc (Relocate::relocate): Likewise.
11400         * sparc.cc (Relocate::relocate): Likewise.
11401         * x86_64.cc (Relocate::relocate): Likewise.
11402         * testsuite/weak_plt.sh: New test.
11403         * testsuite/weak_plt_main.cc: New test.
11404         * testsuite/weak_plt_shared.cc: New test.
11405         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
11406         (check_PROGRAMS): Add weak_plt.
11407         (check_DATA): Add weak_plt_shared.so.
11408         (weak_plt_main_pic.o, weak_plt): New targets.
11409         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
11410         * testsuite/Makefile.in: Rebuild.
11411
11412         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
11413         gcctestdir/ld.
11414         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
11415         * testsuite/Makefile.in: Rebuild.
11416
11417 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
11418
11419         * Makefile.am (POTFILES.in): Set LC_ALL=C.
11420         * Makefile.in: Regenerate.
11421         * po/POTFILES.in: Regenerate.
11422
11423 2008-07-29  Ian Lance Taylor  <iant@google.com>
11424
11425         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
11426         symbols before other symbols.
11427         * testsuite/script_test_2.cc (test_addr): Declare.
11428         (test_addr_alias): Declare.
11429         (main): Check that test_addr and test_addr_alias have the right
11430         values.
11431         * testsuite/script_test_2.t: Define test_addr_alias and
11432         test_addr.
11433
11434 2008-07-24  Ian Lance Taylor  <iant@google.com>
11435
11436         PR 5990
11437         * descriptors.cc: New file.
11438         * descriptors.h: New file.
11439         * gold-threads.h (class Hold_optional_lock): New class.
11440         * fileread.cc: Include "descriptors.h".
11441         (File_read::~File_read): Release descriptor rather than closing
11442         it.
11443         (File_read::open) [file]: Call open_descriptor rather than open.
11444         Set is_descriptor_opened_.
11445         (File_read::open) [memory]: Assert that descriptor is not open.
11446         (File_read::reopen_descriptor): New function.
11447         (File_read::release): Release descriptor.
11448         (File_read::do_read): Make non-const.  Reopen descriptor.
11449         (File_read::read): Make non-const.
11450         (File_read::make_view): Reopen descriptor.
11451         (File_read::do_readv): Likewise.
11452         * fileread.h (class File_read): Add is_descriptor_opened_ field.
11453         Update declarations.
11454         * layout.cc: Include "descriptors.h".
11455         (Layout::create_build_id): Use open_descriptor rather than open.
11456         * output.cc: Include "descriptors.h".
11457         (Output_file::open): Use open_descriptor rather than open.
11458         * archive.cc (Archive::const_iterator): Change Archive to be
11459         non-const.
11460         (Archive::begin, Archive::end): Make non-const.
11461         (Archive::count_members): Likewise.
11462         * archive.h (class Archive): Update declarations.
11463         * object.h (Object::read): Make non-const.
11464         * Makefile.am (CCFILES): Add descriptors.cc.
11465         (HFILES): Add descriptors.h.
11466         * Makefile.in: Rebuild.
11467
11468         PR 6716
11469         * gold.h: Always include <clocale>.  Add Solaris workarounds
11470         following code in binutils/sysdep.h.
11471
11472         PR 6048
11473         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
11474         this->eh_frame_hdr_ is NULL before using it.
11475
11476         * dynobj.cc (Versions::Versions): Update comment.
11477
11478         * dynobj.cc (Versions::Versions): If there is an soname, use it as
11479         the base version name.
11480
11481         * stringpool.cc (Stringpool_template::add_with_length): Set key to
11482         array size plus one.
11483         (Stringpool_template::set_string_offsets): Subtract one from key
11484         before using it as an array index.
11485         (Stringpool_template::get_offset_with_length): Likewise.
11486         (Stringpool_template::write_to_buffer): Likewise.
11487         * stringpool.h (Stringpool_template::get_offset_from_key):
11488         Likewise.
11489
11490 2008-07-23  Ian Lance Taylor  <iant@google.com>
11491
11492         PR 6658
11493         * object.h (Merged_symbol_value::value): Do our best to handle a
11494         negative addend.
11495
11496         PR 6647
11497         * script.cc (Version_script_info::get_versions): Don't add empty
11498         version tag to return value.
11499         (Version_script_info::get_symbol_version_helper): Change return
11500         type to bool.  Add pversion parameter.  Change all callers.
11501         (script_register_vers_node): Don't require a non-NULL tag.
11502         * script.h (class Version_script_info): Update declarations.
11503         (Version_script_info::get_symbol_version): Change return type to
11504         bool.  Add version parameter.  Change all callers.
11505         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
11506         handling.  Handle an empty version from a version script.
11507         (Symbol_table::define_special_symbol): Likewise.
11508         * testsuite/ver_test_10.script: New file.
11509         * testsuite/ver_test_10.sh: New file.
11510         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
11511         (check_DATA): Add ver_test_10.syms.
11512         (ver_test_10.syms, ver_test_10.so): New target.
11513         * testsuite/Makefile.in: Rebuild.
11514
11515 2008-07-23  Simon Baldwin  <simonb@google.com>
11516
11517         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
11518         to zero for undefined symbols from dynamic libraries.
11519
11520 2008-07-23  Ian Lance Taylor  <iant@google.com>
11521
11522         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11523         Change all callers.
11524         * symtab.h (class Symbol_table): Update declaration.
11525         * testsuite/ver_test_9.cc: New file.
11526         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11527         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11528         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11529         (ver_test_9.so, ver_test_9.o): New targets.
11530         * testsuite/Makefile.in: Rebuild.
11531
11532 2008-07-22  Ian Lance Taylor  <iant@google.com>
11533
11534         * options.h (class General_options): Define --check-sections.
11535         * layout.cc (Layout::set_segment_offsets): Handle
11536         --check-sections.
11537
11538         * options.h (class General_options): Define -n/--nmagic and
11539         -N/--omagic.
11540         * options.cc (General_options::finalize): For -n/--nmagic or
11541         -N/--omagic, set -static.
11542         * layout.cc (Layout::attach_allocated_section_to_segment): If
11543         -N/--omagic, don't put read-only and read-write sections in
11544         different segments.
11545         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11546         finding a read-only segment.
11547         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11548         don't set the minimum segment alignment to the common page size,
11549         and don't set the file offset to the address modulo the page size.
11550         * script-sections.cc (Script_sections::create_segments): If
11551         -n/--omagic, don't put read-only and read-write sections in
11552         different segments.
11553
11554         * cref.cc: New file.
11555         * cref.h: New file.
11556         * options.h (class General_options): Add --print-symbol-counts.
11557         * main.cc (main): Issue defined symbol report if requested.
11558         * archive.cc (Archive::interpret_header): Make into a const member
11559         function.
11560         (Archive::add_symbols): Call Input_objects::archive_start and
11561         archive_stop.
11562         (Archive::const_iterator): Define new class.
11563         (Archive::begin, Archive::end): New functions.
11564         (Archive::include_all_members): Rewrite to use iterator.
11565         (Archive::count_members): New function.
11566         * archive.h (class Archive): Update declarations.
11567         (Archive::filename): New function.
11568         * object.cc: Include "cref.h".
11569         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11570         (Sized_relobj::do_get_global_symbol_counts): New function.
11571         (Input_objects::add_object): Add object to cross-referencer.
11572         (Input_objects::archive_start): New function.
11573         (Input_objects::archive_stop): New function.
11574         (Input_objects::print_symbol_counts): New function.
11575         * object.h: Declare Cref and Archive.
11576         (Object::get_global_symbol_counts): New function.
11577         (Object::do_get_global_symbol_counts): New pure virtual function.
11578         (class Sized_relobj): Add defined_count_ field.  Update
11579         declarations.
11580         (class Input_objects): Add cref_ field.  Update constructor.
11581         Update declarations.
11582         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11583         defined_count_.
11584         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11585         symbol counts.
11586         (Sized_dynobj::do_get_global_symbol_counts): New function.
11587         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11588         defined_count_.  Update declarations.  Define Symbols typedef.
11589         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11590         parameter.  Change all callers.
11591         (Symbol_table::add_from_dynobj): Add sympointers and defined
11592         parameters.  Change all callers.
11593         * symtab.h (class Symbol_table): Update declarations.
11594         * Makefile.am (CCFILES): Add cref.cc.
11595         (HFILES): Add cref.h.
11596         * Makefile.in: Rebuild.
11597
11598 2008-07-22  Simon Baldwin  <simonb@google.com>
11599
11600         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11601         to zero when writing undefined symbols.
11602
11603 2008-07-22  Ian Lance Taylor  <iant@google.com>
11604
11605         * output.cc (Output_section::add_input_section): Don't try to
11606         merge empty merge sections.
11607
11608 2008-07-21  Craig Silverstein  <csilvers@google.com>
11609
11610         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11611         Include symbol version in error message.
11612
11613 2008-07-20  Chris Demetriou  <cgd@google.com>
11614
11615         * configure.ac (gold_cv_c_random_seed): New configured variable.
11616         (RANDOM_SEED_CFLAGS): New substituted variable.
11617         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11618         * configure: Rebuild.
11619         * Makefile.in: Likewise.
11620         * testsuite/Makefile.in: Likewise.
11621
11622 2008-07-18  Ian Lance Taylor  <iant@google.com>
11623
11624         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11625         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11626         * testsuite/ver_test_main.cc (main): Call t4.
11627         (t4, t4_2a): Define.
11628         * testsuite/ver_test_2.cc (t4_2): Define.
11629         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11630         * testsuite/ver_test_4.cc (t4_2a): Define.
11631         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11632         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11633
11634 2008-07-17  Ian Lance Taylor  <iant@google.com>
11635
11636         * dynobj.cc (Versions::add_def): If we give an error about a
11637         missing version, go ahead and create the version anyhow.
11638
11639 2008-07-10  Ian Lance Taylor  <iant@google.com>
11640
11641         Handle output sections with more than 0x7fffffff bytes.
11642         * object.h (class Relobj): Change map_to_output_ to
11643         output_sections_, and just keep a section pointer.  Change all
11644         uses.  Move comdat group support to Sized_relobj.
11645         (Relobj::is_section_specially_mapped): Remove.
11646         (Relobj::output_section): Remove poff parameter.  Change all
11647         callers.
11648         (Relobj::output_section_offset): New function.
11649         (Relobj::set_section_offset): Rewrite.
11650         (Relobj::map_to_output): Remove.
11651         (Relobj::output_sections): New function.
11652         (Relobj::do_output_section_offset): New pure virtual function.
11653         (Relobj::do_set_section_offset): Likewise.
11654         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11655         group support from Relobj.  Update declarations.
11656         (Sized_relobj::get_output_section_offset): New function.
11657         (Sized_relobj::do_output_section_offset): New function.
11658         (Sized_relobj::do_set_section_offset): New function.
11659         * object.cc (Relobj::output_section_address): Remove.
11660         (Sized_relobj::Sized_relobj): Initialize new fields.
11661         (Sized_relobj::include_section_group): Cast find_kept_object to
11662         Sized_relobj.
11663         (Sized_relobj::include_linkonce_section): Likewise.
11664         (Sized_relobj::do_layout): Use separate arrays for output section
11665         and output offset.
11666         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11667         output_sections.
11668         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11669         output_sections and section_offsets.
11670         (Sized_relobj::write_local_symbols): Likewise.
11671         (map_to_kept_section): Compute output address directly.
11672         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11673         output_sections and section_offsets.
11674         (Sized_relobj::write_sections): Likewise.
11675         (Sized_relobj::relocate_sections): Likewise.
11676         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11677         * output.h (class Output_reloc): Update declarations.  Change
11678         u2_.relobj to Sized_relobj*.
11679         (class Output_data_reloc): Change add functions to use
11680         Sized_relobj*.
11681         * output.cc (Output_reloc::Output_reloc): Change relobj to
11682         Sized_relobj*.
11683         (Output_reloc::local_section_offset): Change return type to
11684         Elf_Addr.  Use get_output_section_offset.
11685         (Output_reloc::get_address): Likewise.
11686         (Output_section::is_input_address_mapped): Don't call
11687         is_section_specially_mapped.
11688         (Output_section::output_offset): Likewise.
11689         (Output_section::output_address): Likewise.
11690         (Output_section::starting_output_address): Likewise.
11691         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11692         parameter to Sized_relobj*.
11693         (Copy_relocs::need_copy_reloc): Likewise.
11694         (Copy_relocs::save): Likewise.
11695         * copy-relocs.h (class Copy_relocs): Update declarations.
11696         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11697         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11698         * target-reloc.h (relocate_for_relocatable): Change
11699         offset_in_output_section type to Elf_Addr.  Change code that uses
11700         it as well.
11701         * layout.cc (Layout::layout): Always set *off.
11702         * mapfile.cc (Mapfile::print_input_section): Use
11703         output_section_offset.
11704         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11705         Sized_relobj*.
11706         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11707         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11708         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11709
11710 2008-07-03  Ian Lance Taylor  <iant@google.com>
11711
11712         * layout.cc (Layout::include_section): Do not discard unrecognized
11713         SHT_STRTAB sections.
11714
11715 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11716
11717         * script.cc (Lex::can_continue_name): Make '?' allowable in
11718         version-script names.
11719         * testsuite/version_script.map: Change glob pattern to use '?'
11720
11721 2008-06-30  Manish Singh  <yosh@gimp.org>
11722
11723         PR 6585
11724         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11725         Correct typo.
11726
11727 2008-06-30  Ian Lance Taylor  <iant@google.com>
11728
11729         PR 6660
11730         PR 6682
11731         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11732         versions]: Don't try to read the value in the contents, since we
11733         don't use it.  Use the template endianness when writing.
11734
11735 2008-06-25  Cary Coutant  <ccoutant@google.com>
11736
11737         * fileread.cc (File_read::make_view): Assert on zero-length view.
11738         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11739         symbol table when there are no symbols to read.
11740
11741 2008-06-23  Craig Silverstein  <csilvers@google.com>
11742
11743         * version.cc (version_string): Bump to 1.7
11744
11745 2008-06-18  Craig Silverstein  <csilvers@google.com>
11746
11747         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11748         constant 0xFFFF to type Valtype.
11749         (Powerpc_relocate_functions::rel16_ha): Likewise.
11750
11751 2008-06-17  Ian Lance Taylor  <iant@google.com>
11752
11753         * output.h (Output_section::Input_section): Initialize p2align_ to
11754         zero for Output_section_data constructors.
11755         (Output_section::Input_section::addralign): If not an input
11756         section, return the alignment of the Output_section_data.
11757         * testsuite/copy_test.cc: New file.
11758         * testsuite/copy_test_1.cc: New file.
11759         * testsuite/copy_test_2.cc: New file.
11760         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11761         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11762         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11763         (copy_test_1_pic.o, copy_test_1.so): New targets.
11764         (copy_test_2_pic.o, copy_test_2.so): New targets.
11765         * testsuite/Makefile.in: Rebuild.
11766
11767         * script-sections.cc (Script_sections::place_orphan): Initialize
11768         local variable exact.
11769
11770 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11771
11772         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11773
11774 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11775             David S. Miller  <davem@davemloft.net>
11776
11777         * powerpc.cc: New file.
11778         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11779         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11780         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11781         * Makefile.in: Rebuild.
11782
11783 2008-06-09  Ian Lance Taylor  <iant@google.com>
11784
11785         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11786         <exception>.
11787         (throwing, orig_terminate): New static variables.
11788         (terminate_handler): New static function.
11789         (t2): Set terminate handler.
11790
11791 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11792
11793         PR 6584
11794         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11795         alignment.
11796
11797 2008-05-30  Cary Coutant  <ccoutant@google.com>
11798
11799         * archive.cc (Archive::include_all_members) Correct to step
11800         over symbol table and extended name table in thin archives.
11801
11802 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11803
11804         PR 6407
11805         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11806         calculation.
11807
11808 2008-05-28  Caleb Howe  <cshowe@google.com>
11809
11810         * reduced_debug_output.cc: New file.
11811         * reduced_debug_output.h: New file.
11812         * options.h (class General_options): Add --strip-debug-non-line.
11813         * options.cc (General_options::finalize): Add strip_debug_non_line
11814         to the strip heirarchy.
11815         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11816         fields.
11817         * layout.cc: Include "reduced_debug_output.h".
11818         (Layout::Layout): Initialize new fields.
11819         (line_only_debug_sections): New static array.
11820         (is_lines_only_debug_sections): New static inline function.
11821         (Layout::include_section): Handle --strip-debug-non-line.
11822         (Layout::make_output_section): If --strip-debug-non-line, build
11823         new output sections for .debug_abbrev and .debug_info.
11824         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11825         gold.  Warn about possible overflow.
11826         (read_signed_LEB_128): Likewise.
11827         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11828         (read_signed_LEB_128): Declare.
11829         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11830         (HFILES): Add reduced_debug_output.h.
11831         * Makefile.in: Rebuild.
11832
11833 2008-05-21  Ian Lance Taylor  <iant@google.com>
11834
11835         * mapfile.cc: New file.
11836         * mapfile.h: New file.
11837         * options.h (class General_options): Add -M/--print-map and -Map.
11838         * options.cc (General_options::finalize): Make -M equivalent to
11839         -Map -.
11840         * main.cc: Include <cstdio> and "mapfile.h".
11841         (main): Open mapfile if requested.
11842         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11843         constructor.  Change caller.
11844         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11845         (queue_middle_tasks): Likewise.
11846         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11847         declarations.
11848         * archive.cc: Include "mapfile.h".
11849         (Archive::add_symbols): Add mapfile parameter.  Change all
11850         callers.  Pass mapfile, symbol, and reason to include_member.
11851         (Archive::include_all_members): Add mapfile parameter.  Change all
11852         callers.
11853         (Archive::include_member): Add mapfile, sym, and why parameters.
11854         Change all callers.  Report inclusion to map file.
11855         * archive.h: Include "fileread.h".
11856         (class Archive): Update declarations.
11857         (Archive::file): New const method.
11858         (class Add_archive_symbols): Add mapfile_ field.  Update
11859         constructor.  Change all callers.
11860         * readsyms.h (class Read_symbols): Likewise.
11861         (class Finish_group): Likewise.
11862         (class Read_script): Likewise.
11863         * common.cc: Include "mapfile.h".
11864         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11865         all callers.
11866         (Symbol_table::do_allocate_commons): Likewise.
11867         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11868         symbol allocation to mapfile.
11869         * common.h (class Allocate_commons_task): Add mapfile_ field.
11870         Update constructor.  Change all callers.
11871         * symtab.h (class Symbol_table): Update declarations.
11872         * layout.cc: Include "mapfile.h".
11873         (Layout_task_runner::run): Print information to mapfile.
11874         (Layout::create_gold_note): Change Output_data_fixed_space to
11875         Output_data_zero_fill.
11876         (Layout::create_build_id): Likewise.
11877         (Layout::print_to_mapfile): New function.
11878         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11879         constructor.  Change caller.
11880         (class Layout): Declare print_to_mapfile.
11881         * output.cc (Output_section::Input_section::print_to_mapfile): New
11882         function.
11883         (Output_section::add_input_section): If producing a map, always
11884         add to input_sections_ list.
11885         (Output_section::do_print_to_mapfile): New function.
11886         (Output_segment::print_sections_to_mapfile): New function.
11887         (Output_segment::print_section_list_to_mapfile): New function.
11888         * output.h: Include "mapfile.h".
11889         (Output_data::print_to_mapfile): New function.
11890         (Output_data::do_print_to_mapfile): New virtual function.
11891         (Output_segment_headers::do_print_to_mapfile): New function.
11892         (Output_file_header::do_print_to_mapfile): New function.
11893         (Output_data_const::do_print_to_mapfile): New function.
11894         (class Output_data_const_buffer): Add map_name_ field.  Update
11895         constructor.  Change all callers.  Add do_print_to_mapfile
11896         function.
11897         (class Output_data_fixed_space): Likewise.
11898         (class Output_data_space): Likewise.
11899         (class Output_data_zero_fill): New class.
11900         (Output_data_strtab::do_print_to_mapfile): New function.
11901         (Output_data_reloc_base::do_print_to_mapfile): New function.
11902         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11903         (Output_data_group::do_print_to_mapfile): New function.
11904         (Output_data_got::do_print_to_mapfile): New function.
11905         (Output_data_dynamic::do_print_to_mapfile): New function.
11906         (Output_symtab_xindex::do_print_to_mapfile): New function.
11907         (class Output_section): Declare do_print_to_mapflie.  Declare
11908         print_to_mapfile in Input_section.
11909         (class Output_segment): Declare new functions.
11910         * object.h (Sized_relobj::symbol_count): New function.
11911         * script-sections.cc
11912         (Output_section_element_dot_assignment::set_section_addresses):
11913         Change Output_data_fixed_space to Output_data_zero_fill.
11914         (Output_data_expression::do_print_to_mapfile): New function.
11915         * script.cc (read_input_script): Add mapfile parameter.  Change
11916         all callers.
11917         * script.h (read_input_script): Update declaration.
11918         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11919         (Eh_frame::do_print_to_mapfile): New function.
11920         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11921         (Output_merge_string::do_print_to_mapfile): New function.
11922         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11923         function.
11924         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11925         function.
11926         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11927         function.
11928         * Makefile.am (CCFILES): Add mapfile.cc.
11929         (HFILES): Add mapfile.h.
11930         * Makefile.in: Rebuild.
11931
11932 2008-05-19  Ian Lance Taylor  <iant@google.com>
11933
11934         * options.h (class General_options): Add -z relro.
11935         * layout.cc (Layout::Layout): Initialize relro_segment_.
11936         (Layout::add_output_section_data): Return the output section.
11937         (Layout::make_output_section): Rcognize relro sections and mark
11938         them appropriately.
11939         (Layout::attach_allocated_section_to_segment): Put relro sections
11940         in a PT_GNU_RELRO segment.
11941         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11942         section as relro.
11943         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11944         PT_TLS segments.
11945         (Layout::linkonce_mapping): Map d.rel.ro.local to
11946         .data.rel.ro.local.
11947         (Layout::output_section_name): Us .data.rel.ro.local for any
11948         section which begins with that.
11949         * layout.h (class Layout): Update add_output_section_data
11950         declaration.  Add relro_segment_ field.
11951         * output.cc (Output_section::Output_section): Initialize is_relro_
11952         and is_relro_local_ fields.
11953         (Output_segment::add_output_section): Group relro sections.
11954         (Output_segment::is_first_section_relro): New function.
11955         (Output_segment::maximum_alignment): If there is a relro section,
11956         align the segment to the common page size.
11957         (Output_segment::set_section_addresses): Track whether we are
11958         looking at relro sections.  If the last section is a relro
11959         section, align to the common page size.
11960         (Output_segment::set_section_list_addresses): Add in_relro
11961         parameter.  Change all callers.  Align to the page size when
11962         moving from relro to non-relro section.
11963         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11964         segment.
11965         * output.h (class Output_section): Add is_relro_ and
11966         is_relro_local_ fields.
11967         (Output_section::is_relro): New function.
11968         (Output_section::set_is_relro): New function.
11969         (Output_section::is_relro_local): New function.
11970         (Output_section::set_is_relro_local): New function.
11971         (class Output_segment): Update declarations.
11972         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11973         * sparc.cc (Target_sparc::got_section): Likewise.
11974         * x86_64.cc (Target_x86_64::got_section): Likewise.
11975         * testsuite/relro_test_main.cc: New file.
11976         * testsuite/relro_test.cc: New file.
11977         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11978         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11979         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11980         (relro_test.so, relro_test_pic.o): New targets.
11981         * testsuite/Makefile.in: Rebuild.
11982
11983 2008-05-16  Ian Lance Taylor  <iant@google.com>
11984
11985         * output.cc (Output_segment::add_output_section): Remove front
11986         parameter.
11987         * output.h (class Output_segment): Remove
11988         add_initial_output_section and overloaded add_output_section.
11989         Update declaration of remaining add_output_section.
11990         * layout.cc (Layout::create_interp): Call add_output_section
11991         rather than add_initial_output_section.
11992         (Layout::finish_dynamic_section): Likewise.
11993
11994         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11995         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11996         know the dynamic type.
11997         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11998         field.  Initialize it in constructor.
11999         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
12000         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
12001         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
12002         reloc.
12003
12004         * output.cc (Output_reloc::get_address): Change return type to
12005         Elf_Addr.
12006         * output.h (class Output_reloc): Update get_address declaration.
12007         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
12008         for section addresses.
12009
12010 2008-05-09  Ian Lance Taylor  <iant@google.com>
12011
12012         PR 6493
12013         * gold.cc (gold_nomem): Use return value of write.
12014
12015 2008-05-08  Ian Lance Taylor  <iant@google.com>
12016
12017         * symtab.c (Symbol::init_base_output_data): Add version
12018         parameter.  Change all callers.
12019         (Symbol::init_base_output_segment): Likewise.
12020         (Symbol::init_base_constant): Likewise.
12021         (Symbol::init_base_undefined): Likewise.
12022         (Sized_symbol::init_output_data): Likewise.
12023         (Sized_symbol::init_output_segment): Likewise.
12024         (Sized_symbol::init_constant): Likewise.
12025         (Sized_symbol::init_undefined): Likewise.
12026         (Symbol_table::do_define_in_output_data): If the new symbol has a
12027         version, mark it as the default.
12028         (Symbol_table::do_define_in_output_segment): Likewise.
12029         (Symbol_table::do_define_as_constant): Likewise.
12030         * symtab.h (class Symbol): Update declarations.
12031         (class Sized_symbol): Likewise.
12032         * resolve.cc (Symbol::override_version): New function.
12033         (Symbol::override_base): Call override_version.
12034         (Symbol::override_base_with_special): Likewise.
12035         * testsuite/ver_script_8.script: New file.
12036         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
12037         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
12038         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
12039         (ver_test_8_1.so, ver_test_8_2.so): New targets.
12040
12041 2008-05-06  Ian Lance Taylor  <iant@google.com>
12042
12043         PR 6049
12044         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
12045         functions.
12046         (class General_options): Remove existing --undefined, and add
12047         --no-undefined instead.  Add new --undefined as synonym for -u.
12048         * archive.cc (Archive::add_symbols): Check whether symbol was
12049         named with -u.
12050         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
12051         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
12052         all uses.  Add IS_UNDEFINED.  Update declarations to split
12053         different versions of init_base.  Declare init_base_undefined.
12054         (Symbol::is_defined): Handle IS_UNDEFINED.
12055         (Symbol::is_undefined): Likewise.
12056         (Symbol::is_weak_undefined): Call is_undefined.
12057         (Symbol::is_absolute): Handle IS_CONSTANT.
12058         (class Sized_symbol): Update declarations to split different
12059         versions of init.  Declare init_undefined.
12060         (class Symbol_table): Declare new functions.
12061         * symtab.cc (Symbol::init_base_object): Rename from init_base.
12062         Change all callers.
12063         (Symbol::init_base_output_data): Likewise.
12064         (Symbol::init_base_output_segment): Likewise.
12065         (Symbol::init_base_constant): Likewise.
12066         (Symbol::init_base_undefined): New function.
12067         (Sized_symbol::init_object): Rename from init.  Change all
12068         callers.
12069         (Sized_symbol::init_output_data): Likewise.
12070         (Sized_symbol::init_output_segment): Likewise.
12071         (Sized_symbol::init_constant): Likewise.
12072         (Sized_symbol::init_undefined): New function.
12073         (Symbol_table::add_undefined_symbols_from_command_line): New
12074         function.
12075         (Symbol_table::do_add_undefined_symbols_from_command_line): New
12076         function.
12077         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
12078         (Symbol::output_section): Likewise.
12079         (Symbol::set_output_section): Likewise.
12080         (Symbol_table::sized_finalize_symbol): Likewise.
12081         (Symbol_table::sized_write_globals): Likewise.
12082         * resolve.cc (Symbol_table::should_override): Likewise.
12083         (Symbol::override_base_with_special): Likewise.
12084
12085         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
12086         symbol, change it to have default visibility.
12087         * testsuite/protected_1.cc: New file.
12088         * testsuite/protected_2.cc: New file.
12089         * testsuite/protected_3.cc: New file.
12090         * testsuite/protected_main_1.cc: New file.
12091         * testsuite/protected_main_2.cc: New file.
12092         * testsuite/protected_main_3.cc: New file.
12093         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
12094         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
12095         (protected_1_LDFLAGS, protected_1_LDADD): Define.
12096         (protected_1.so): New target.
12097         (protected_1_pic.o, protected_2_pic.o): New targets.
12098         (protected_3_pic.o): New target.
12099         (check_PROGRAMS): Add protected_2.
12100         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
12101         (protected_2_LDFLAGS, protected_2_LDADD): Define.
12102         * testsuite/Makefile.in: Rebuild.
12103
12104         * options.h (DEFINE_var): Add set_user_set_##varname__.
12105         (DEFINE_bool_alias): New macro.
12106         (class General_options): Define -Bstatic using DEFINE_bool_alias
12107         rather than DEFINE_special.  Add --undefined as an alias for -z
12108         defs.
12109         * options.cc (General_options::parse_Bstatic): Remove.
12110
12111         * options.h (class General_options): Add --fatal-warnings.
12112         * main.cc (main): Implement --fatal-warnings.
12113         * errors.h (Errors::warning_count): New function.
12114
12115         * options.h (class General_options): Add -Bsymbolic-functions.
12116         * symtab.h (Symbol::is_preemptible): Check for
12117         -Bsymbolic-functions.
12118
12119 2008-05-05  Ian Lance Taylor  <iant@google.com>
12120
12121         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12122         as noVARNAME rather than no-VARNAME.
12123         (class General_options): Add option -z combreloc.
12124         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12125         get_address.
12126         (Output_reloc::sort_before) [SHT_REL]: New function.
12127         (Output_reloc::sort_before) [SHT_RELA]: New function.
12128         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12129         Sort_relocs_comparison.
12130         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12131         parameter.  Change all callers.
12132         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12133         sort_relocs parameter.  Change all callers.
12134         * output.cc (Output_reloc::get_address): New function, broken out
12135         of write_rel.
12136         (Output_reloc::write_rel): Call it.
12137         (Output_reloc::compare): New function.
12138         (Output_data_reloc_base::do_write): Optionally sort relocs.
12139
12140         * configure.ac: If targ_extra_obj is set, link it in.
12141         * configure.tgt: Initialize all variables.
12142         (x86_64*): Set targ_extra_obj and targ_extra_size.
12143         * configure: Rebuild.
12144
12145         * object.cc (Sized_relobj::include_section_group): Adjust section
12146         indexes read from group data.  Build vector to pass to
12147         layout_group.
12148         * layout.cc (Layout::layout_group): Add flags and shndxes
12149         parameters.  Remove contents parameter.  Change caller.  Update
12150         explicit instantiations.
12151         * layout.h (class Layout): Update layout_group declaration.
12152         * output.cc (Output_data_group::Output_data_group): Add flags and
12153         input_shndxes parameters.  Remove contents parameter.  Change
12154         caller.
12155         (Output_data_group::do_write): Change input_sections_ to
12156         input_shndxes_.
12157         * output.h (class Output_data_group): Update constructor
12158         declaration.  Rename input_sections_ to input_shndxes_.
12159         * testsuite/many_sections_test.cc: Add template.
12160
12161 2008-04-30  Cary Coutant  <ccoutant@google.com>
12162
12163         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12164
12165         * layout.cc (Layout::include_section): Refactored check for debug
12166         info section.
12167         (Layout::add_comdat): Add new parameters.  Change type
12168         of signature parameter.  Add object and shndx to signatures table.
12169         (Layout::find_kept_object): New function.
12170         * layout.h: Include <cstring>.
12171         (Layout::is_debug_info_section): New function.
12172         (Layout::add_comdat): Add new parameters.
12173         (Layout::find_kept_object): New function.
12174         (Layout::Kept_section): New struct.
12175         (Layout::Signatures): Change type of map range.
12176         * object.cc (Relobj::output_section_address): New function.
12177         (Sized_relobj::include_section_group): Add new parameters.  Change
12178         calls to Layout::add_comdat.  Change to build table of kept comdat
12179         groups and table mapping discarded sections to kept sections.
12180         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12181         (Sized_relobj::do_layout): Change calls to include_section_group and
12182         include_linkonce_section.
12183         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12184         value to zero when section is discarded.
12185         (Sized_relobj::map_to_kept_section): New function.
12186         * object.h (Relobj::output_section_address): New function.
12187         (Relobj::Comdat_group): New type.
12188         (Relobj::find_comdat_group): New function.
12189         (Relobj::Comdat_group_table): New type.
12190         (Relobj::Kept_comdat_section): New type.
12191         (Relobj::Kept_comdat_section_table): New type.
12192         (Relobj::add_comdat_group): New function.
12193         (Relobj::set_kept_comdat_section): New function.
12194         (Relobj::get_kept_comdat_section): New function.
12195         (Relobj::comdat_groups_): New field.
12196         (Relobj::kept_comdat_sections_): New field.
12197         (Symbol_value::input_value): Update comment.
12198         (Sized_relobj::map_to_kept_section) New function.
12199         (Sized_relobj::include_linkonce_section): Add new parameter.
12200         * target-reloc.h (Comdat_behavior): New type.
12201         (get_comdat_behavior): New function.
12202         (relocate_section): Add code to map a discarded section to the
12203         corresponding kept section when applying a relocation.
12204
12205 2008-04-30  Craig Silverstein  <csilvers@google.com>
12206
12207         * dwarf_reader.cc (next_generation_count): New static var.
12208         (Addr2line_cache_entry): New struct.
12209         (addr2line_cache): New static var.
12210         (Dwarf_line_info::one_addr2line): Added caching.
12211         (Dwarf_line_info::clear_addr2line_cache): New function.
12212         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12213         cache-size parameter.
12214         (Dwarf_line_info::one_addr2line_cache): New function.
12215         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12216         new cache-size argument to one_addr2line(), and clear cache.
12217
12218 2008-04-28  Cary Coutant  <ccoutant@google.com>
12219
12220         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12221         R_386_PC8 relocations.
12222
12223 2008-04-23  Ian Lance Taylor  <iant@google.com>
12224
12225         * object.cc (Sized_relobj::include_section_group): Check for
12226         invalid section group.
12227
12228         * object.cc (make_elf_object): Correct test for 64-bit ELF file
12229         header size.
12230
12231         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
12232         than read for file header.
12233         * archive.cc (Archive::include_member): Likewise.
12234
12235 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
12236
12237         * aclocal.m4: Regenerate.
12238         * configure: Regenerate.
12239
12240 2008-04-19  Ian Lance Taylor  <iant@google.com>
12241
12242         * version.cc (version_string): Bump to 1.6.
12243
12244         * testsuite/Makefile.am (many_sections_r_test): New target.
12245         (many_sections_r_test_SOURCES): Remove.
12246         (many_sections_r_test_DEPENDENCIES): Remove.
12247         (many_sections_r_test_LDFLAGS): Remove.
12248         (many_sections_r_test_LDADD): Remove.
12249
12250         * object.cc (Sized_relobj::do_add_symbols): Always pass
12251         local_symbol_count_ to add_from_relobj.
12252
12253         * testsuite/Makefile.am (many_sections_check.h): Only check one in
12254         every thousand variables.
12255         * testsuite/Makefile.in: Rebuild.
12256
12257         * object.cc (Xindex::initialize_symtab_xindex): New function.
12258         (Xindex::read_symtab_xindex): New function.
12259         (Xindex::sym_xindex_to_shndx): New function.
12260         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
12261         available.
12262         (Sized_relobj::do_initialize_xindex): New function.
12263         (Sized_relobj::do_read_symbols): Adjust section links.
12264         (Sized_relobj::symbol_section_and_value): Add is_ordinary
12265         parameter.  Change all callers.
12266         (Sized_relobj::include_section_group): Adjust section links and
12267         symbol section indexes.
12268         (Sized_relobj::do_layout): Adjust section links.
12269         (Sized_relobj::do_count_local_symbols): Adjust section links and
12270         symbol section indexes.
12271         (Sized_relobj::do_finalize_local_symbols): Distinguish between
12272         ordinary and special symbols.
12273         (Sized_relobj::write_local_symbols): Add symtab_xindex and
12274         dynsym_xindex parameters.  Change all callers.  Adjust section
12275         links.  Use SHN_XINDEX when needed.
12276         (Sized_relobj::get_symbol_location_info): Adjust section links.
12277         Don't get fooled by special symbols.
12278         * object.h (class Xindex): Define.
12279         (class Object): Add xindex_ parameter.  Declare virtual functoin
12280         do_initialize_xindex.
12281         (Object::adjust_sym_shndx): New function.
12282         (Object::set_xindex): New protected function.
12283         (class Symbol_value): Add is_ordinary_shndx_ field.
12284         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
12285         (Symbol_value::value): Assert ordinary section.
12286         (Symbol_value::initialize_input_to_output_map): Likewise.
12287         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
12288         Change all callers.
12289         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
12290         all callers.
12291         (class Sized_relobj): Update declarations.
12292         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
12293         parameter.  Change all callers.
12294         (Sized_relobj::adjust_shndx): New function.
12295         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
12296         field.
12297         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
12298         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
12299         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
12300         (Sized_dynobj::read_dynsym_section): Adjust section links.
12301         (Sized_dynobj::read_dynamic): Likewise.
12302         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
12303         section links.
12304         (Sized_dynobj::do_initialize_xindex): New function.
12305         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
12306         do_initialize_xindex.
12307         (Sized_dynobj::adjust_shndx): New function.
12308         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
12309         dynsym_xindex_ fields.
12310         (Layout::finalize): Add a call to set_section_indexes before
12311         creating the symtab sections.
12312         (Layout::set_section_indexes): Don't do anything if the section
12313         already has a section index.
12314         (Layout::create_symtab_sections): Add shnum parameter.  Change
12315         caller.  Create .symtab_shndx section if needed.
12316         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
12317         caller.
12318         (Layout::allocated_output_section_count): New function.
12319         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
12320         needed.
12321         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
12322         fields.  Update declarations.
12323         (Layout::symtab_xindex): New function.
12324         (Layout::dynsym_xindex): New function.
12325         (class Write_symbols_task): Add layout_ field.
12326         (Write_symbols_task::Write_symbols_task): Add layout parameter.
12327         Change caller.
12328         * output.cc (Output_section_headers::Output_section_headers): Add
12329         shstrtab_section parameter.  Change all callers.
12330         (Output_section_headers::do_sized_write): Store overflow values
12331         for section count and section string table section index in
12332         section header zero.
12333         (Output_file_header::do_sized_write): Check for overflow of
12334         section count and section string table section index.
12335         (Output_symtab_xindex::do_write): New function.
12336         (Output_symtab_xindex::endian_do_write): New function.
12337         * output.h (class Output_section_headers): Add shstrtab_section_.
12338         Update declarations.
12339         (class Output_symtab_xindex): Define.
12340         (Output_section::has_out_shndx): New function.
12341         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
12342         field.
12343         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
12344         Change all callers.
12345         (Sized_symbol::init): Likewise.
12346         (Symbol::output_section): Check for ordinary symbol.
12347         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
12348         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
12349         callers.
12350         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
12351         Change all callers.  Simplify handling of symbols from sections
12352         not included in the link.
12353         (Symbol_table::add_from_dynobj): Handle ordinary symbol
12354         distinction.
12355         (Weak_alias_sorter::operator()): Assert that symbols are
12356         ordinary.
12357         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
12358         distinction.
12359         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
12360         parameters.  Change all callers.
12361         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
12362         symbol distinction.  Use SHN_XINDEX when needed.
12363         (Symbol_table::write_section_symbol): Add symtab_xindex
12364         parameter.  Change all callers.
12365         (Symbol_table::sized_write_section_symbol): Likewise.  Use
12366         SHN_XINDEX when needed.
12367         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
12368         declarations.
12369         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
12370         (Symbol::is_defined): Check is_ordinary.
12371         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
12372         (Symbol::is_absolute, Symbol::is_common): Likewise.
12373         (class Sized_symbol): Update declarations.
12374         (class Symbol_table): Update declarations.
12375         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
12376         parameters.  Change all callers.
12377         (Sized_symbol::override): Likewise.
12378         (Symbol_table::override): Likewise.
12379         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
12380         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
12381         is_ordinary, and orig_st_shndx parameters.  Change all callers.
12382         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
12383         to be in an ordinary section.
12384         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
12385         object and is_ordinary parameters.  Change all callers.
12386         (Sized_dwarf_line_info::read_relocs): Add object parameter.
12387         Change all callers.  Don't add undefined or non-ordinary symbols
12388         to reloc_map_.
12389         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
12390         Change all callers.
12391         * dwarf_reader.h (class Sized_dwarf_line_info): Update
12392         declarations.
12393         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
12394         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
12395         (Sized_relobj::relocate_sections): Likewise.
12396         * target-reloc.h (scan_relocs): Adjust section symbol index.
12397         (scan_relocatable_relocs): Likewise.
12398         * i386.cc (Scan::local): Check for ordinary symbols.
12399         * sparc.cc (Scan::local): Likewise.
12400         * x86_64.cc (Scan::local): Likewise.
12401         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
12402         to symbol_section_and_value.
12403         * testsuite/many_sections_test.cc: New file.
12404         * testsuite/Makefile.am (BUILT_SOURCES): Define.
12405         (check_PROGRAMS): Add many_sections_test.
12406         (many_sections_test_SOURCES): Define.
12407         (many_sections_test_DEPENDENCIES): Define.
12408         (many_sections_test_LDFLAGS): Define.
12409         (BUILT_SOURCES): Add many_sections_define.h.
12410         (many_sections_define.h): New target.
12411         (BUILT_SOURCES): Add many_sections_check.h.
12412         (many_sections_check.h): New target.
12413         (check_PROGRAMS): Add many_sections_r_test.
12414         (many_sections_r_test_SOURCES): Define.
12415         (many_sections_r_test_DEPENDENCIES): Define.
12416         (many_sections_r_test_LDFLAGS): Define.
12417         (many_sections_r_test_LDADD): Define.
12418         (many_sections_r_test.o): New target.
12419         * testsuite/Makefile.in: Rebuild.
12420
12421 2008-04-17  Cary Coutant  <ccoutant@google.com>
12422
12423         * errors.cc (Errors::info): New function.
12424         (gold_info): New function.
12425         * errors.h (Errors::info): New function.
12426         * gold.h (gold_info): New function.
12427         * object.cc (Input_objects::add_object): Print trace output.
12428         * options.cc (options::parse_set): New function.
12429         (General_options::parse_wrap): Deleted.
12430         (General_options::General_options): Deleted initializer.
12431         * options.h (options::String_set): New typedef.
12432         (options::parse_set): New function.
12433         (DEFINE_set): New macro.
12434         (General_options::wrap): Changed to use DEFINE_set. Changed
12435         callers of any_wrap_symbols and is_wrap_symbol.
12436         (General_options::trace, General_options::trace_symbol):
12437         New options.
12438         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
12439         (General_options::wrap_symbols_): Deleted.
12440         * symtab.cc (Symbol_table::add_from_object): Print trace output.
12441
12442 2008-04-17  David S. Miller  <davem@davemloft.net>
12443
12444         * options.cc (General_options::parse_V): New function.
12445         * options.h: Add entries for -V and -Qy.
12446
12447 2008-04-17  Ian Lance Taylor  <iant@google.com>
12448
12449         * common.cc (Symbol_table::allocate_commons): Remove options
12450         parameter.  Change caller.
12451         (Symbol_table::do_allocate_commons): Remove options parameter.
12452         Change caller.  Just call do_allocate_commons_list twice.
12453         (Symbol_table::do_allocate_commons_list): New function, broken out
12454         of do_allocate_commons.
12455         * common.h (class Allocate_commons_task): Remove options_ field.
12456         Update constructor.
12457         * symtab.cc (Symbol_table::Symbol_table): Initialize
12458         tls_commons_.
12459         (Symbol_table::add_from_object): Put TLS common symbols on
12460         tls_commons_ list.
12461         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
12462         which are IN_OUTPUT_DATA.
12463         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
12464         allocate_commons and do_allocate_commons declarations.  Declare
12465         do_allocate_commons_list.
12466         * gold.cc (queue_middle_tasks): Update creation of
12467         Allocate_commons_task to not pass options.
12468         * testsuite/Makefile.am (INCLUDES): Add -I.. .
12469         (TLS_TEST_C_FLAGS): New variable.
12470         (tls_test_c_pic.o): New target.
12471         (tls_test_shared.so): Link in tls_test_c_pic.o.
12472         (tls_test_c_pic_ie.o): New target.
12473         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
12474         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
12475         (tls_test_c.o): New target.
12476         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
12477         (tls_pic_test_LDADD): Likewise.
12478         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
12479         (tls_shared_gd_to_ie_test_LDADD): Likewise.
12480         (tls_test_c_gnu2.o): New target.
12481         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
12482         tls_test_c_gnu2.o.
12483         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
12484         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
12485         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
12486         * testsuite/tls_test.cc: Include "config.h".
12487         (t_last): Call t11_last.
12488         * testsuite/tls_test.h (t11, t11_last): Declare.
12489         * testsuite/tls_test_c.c: New file.
12490         * testsuite/tls_test_main.cc (thread_routine): Call t11.
12491         * configure.ac: Check for OpenMP support.
12492         * configure, config.in, Makefile.in: Rebuild.
12493         * testsuite/Makefile.in: Rebuild.
12494
12495 2008-04-16  Cary Coutant  <ccoutant@google.com>
12496
12497         * i386.cc (Target_i386::define_tls_base_symbol): New function.
12498         (Target_i386::tls_base_symbol_defined_): New field.
12499         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12500         (Target_i386::Scan::global): Likewise.
12501         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
12502         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
12503         (Target_x86_64::tls_base_symbol_defined_): New field.
12504         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12505         (Target_x86_64::Scan::global): Likewise.
12506
12507 2008-04-16  Cary Coutant  <ccoutant@google.com>
12508
12509         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
12510         (Symbol::needs_plt_entry): Allow weak undefined symbols.
12511         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
12512         building shared libraries.
12513         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
12514         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
12515         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
12516         * testsuite/Makefile.in: Rebuild.
12517         * testsuite/weak_undef.h: New file.
12518         * testsuite/weak_undef_file1.cc: Add extra test cases.
12519         * testsuite/weak_undef_file2.cc: Likewise.
12520         * testsuite/weak_undef_test.cc: Likewise.
12521
12522 2008-04-16  David S. Miller  <davem@davemloft.net>
12523
12524         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12525         Add issued_non_pic_error_ field.  Declare check_non_pic.
12526         (Target_sparc::Scan::check_non_pic): New function.
12527         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12528         (Target_sparc::Scan::global): Likewise.
12529
12530         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12531         * configure: Rebuild.
12532
12533         * options.h (DEFINE_enable): New macro.
12534         (new_dtags): New enable option.
12535         (initfirst, interpose, loadfltr, nodefaultlib,
12536         nodelete, nodlopen, nodump): New -z options.
12537         * layout.cc (Layout:finish_dynamic_section): If new
12538         dtags enabled, emit DT_RUNPATH.  Also, emit a
12539         DT_FLAGS_1 containing any specified -z flags.
12540
12541 2008-04-16  Ian Lance Taylor  <iant@google.com>
12542
12543         * copy-relocs.cc: New file.
12544         * copy-relocs.h: New file.
12545         * reloc.cc: Remove Copy_relocs code.
12546         * reloc.h: Likewise.
12547         * reloc-types.h (struct Reloc_types) [both versions]: Add
12548         get_reloc_addend_noerror.
12549         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12550         variants of add_global which take an addend which must be zero.
12551         * i386.cc: Include "copy-relocs.h".
12552         (class Target_i386): Change type of copy_relocs_ to variable,
12553         update initializer.
12554         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12555         Change all callers.
12556         (Target_i386::do_finalize_sections): Change handling of
12557         copy_relocs_.
12558         * sparc.cc: Include "copy-relocs.h".
12559         (class Target_sparc): Change type of copy_relocs_ to variable,
12560         update initializer.
12561         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12562         Change all callers.
12563         (Target_sparc::do_finalize_sections): Change handling of
12564         copy_relocs_.
12565         * x86_64.cc: Include "copy-relocs.h".
12566         (class Target_x86_64): Change type of copy_relocs_ to variable,
12567         update initializer.
12568         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12569         class.  Change all callers.
12570         (Target_x86_64::do_finalize_sections): Change handling of
12571         copy_relocs_.
12572         * Makefile.am (CCFILES): Add copy-relocs.cc.
12573         (HFILES): Add copy-relocs.h.
12574
12575         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12576
12577         * testsuite/script_test_4.sh: Permit leading zeroes.
12578
12579 2008-04-15  Ian Lance Taylor  <iant@google.com>
12580
12581         * script-sections.cc (Script_sections::create_segments): Use
12582         header_size_adjustment even when there is enough room for the
12583         headers.
12584         * testsuite/script_test_4.sh: New file.
12585         * testsuite/script_test_4.t: New file.
12586         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12587         (check_DATA): Add script_test_4.stdout.
12588         (MOSTLYCLEANFILES): Likewise.
12589         (script_test_4): New target.
12590         (script_test_4.stdout): New target.
12591         * testsuite/Makefile.in: Rebuild.
12592
12593         * sparc.cc: Add definitions for Output_data_plt_sparc class
12594         constants.
12595
12596 2008-04-14  David S. Miller  <davem@davemloft.net>
12597
12598         * sparc.cc: New file.
12599         * Makefile.am (TARGETSOURCES): Add sparc.cc
12600         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12601         * configure.tgt: Document targ_extra_size and
12602         targ_extra_big_endian.  Add entries for sparc-* and
12603         sparc64-*.
12604         * configure.ac: Handle targ_extra_size and
12605         targ_extra_big_endian.
12606         * Makefile.in: Rebuild.
12607         * configure: Likewise.
12608         * po/POTFILES.in: Likewise.
12609         * po/gold.pot: Likewise.
12610
12611 2008-04-14  Ian Lance Taylor  <iant@google.com>
12612
12613         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12614         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12615         in the name/type/flags to section mapping.  Don't call
12616         allocate_output_section.
12617         (Layout::choose_output_section): Change parameter from adjust_name
12618         to is_input_section.  Don't permit input sections after sections
12619         are attached to segments.  Don't call allocate_output_section.
12620         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12621         not write_enable_output_section.
12622         (Layout::make_output_section): Don't push to
12623         unattached_section_list_ nor call attach_to_segment.  Call
12624         attach_section_to_segment if sections are attached.
12625         (Layout::attach_sections_to_segments): New function.
12626         (Layout::attach_section_to_segment): New function.
12627         (Layout::attach_allocated_section_to_segment): Rename from
12628         attach_to_segment.  Remove flags parameter.
12629         (Layout::allocate_output_section): Remove function.
12630         (Layout::write_enable_output_section): Remove function.
12631         * layout.h (class Layout): Update for above changes.  Add new
12632         field sections_are_attached_.
12633         * output.h (Output_section::update_flags_for_input_section): New
12634         function.
12635         * output.cc (Output_section::add_input_section): Call
12636         update_flags_for_input_section.
12637         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12638
12639 2008-04-11  Cary Coutant  <ccoutant@google.com>
12640
12641         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12642         thought unnecessary.
12643         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12644
12645 2008-04-11  Ian Lance Taylor  <iant@google.com>
12646
12647         * output.h (class Output_section_data): Remove inline definition
12648         of set_addralign.
12649         * output.cc (Output_section_data::set_addralign): New function.
12650
12651 2008-04-11  Cary Coutant  <ccoutant@google.com>
12652
12653         Add support for TLS descriptors for i386 and x86_64.
12654         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12655         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12656         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12657         GOT_TYPE_TLS_DESC.
12658         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12659         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12660         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12661         relocations.
12662         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12663         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12664         Fix problem with initial-exec relocations.
12665         (Target_i386::Relocate::relocate_tls): Likewise.
12666         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12667         relaxation.
12668         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12669         support for section-plus-offset dynamic table entries.
12670         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12671         (Output_data_dynamic::Dynamic_entry): Add support for
12672         section-plus-offset dynamic table entries.
12673         (Output_data_dynamic::Classification): Likewise.
12674         (Output_data_dynamic::classification_): Renamed offset_.
12675         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12676         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12677         (Target_x86_64::make_plt_section): New function.
12678         (Target_x86_64::reserve_tlsdesc_entries): New function.
12679         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12680         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12681         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12682         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12683         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12684         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12685         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12686         add extra PLT entry for TLS descriptors.
12687         (Output_data_plt_x86_64::got_): New field.
12688         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12689         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12690         fields.
12691         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12692         descriptors.
12693         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12694         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12695         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12696         R_386_TLS_DESC_CALL relocations.
12697         (Target_x86_64::Scan::global): Likewise.
12698         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12699         for TLS descriptors.
12700         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12701         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12702         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12703         GD-to-IE relaxation.
12704         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12705         and TLS_DESCRIPTORS.
12706         * Makefile.in: Rebuild.
12707         * configure: Rebuild.
12708         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12709         (tls_test_shared2.so): New target.
12710         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12711         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12712         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12713         (tls_shared_gd_to_ie_test_LDADD): New variable.
12714         (tls_shared_gnu2_gd_to_ie_test): New target.
12715         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12716         New targets.
12717         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12718         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12719         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12720         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12721         (tls_shared_gnu2_test): New target.
12722         (tls_test_gnu2_shared.so): New target.
12723         (tls_shared_gnu2_test_SOURCES): New variable.
12724         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12725         (tls_shared_gnu2_test_LDFLAGS): New variable.
12726         (tls_shared_gnu2_test_LDADD): New variable.
12727         * testsuite/Makefile.in: Rebuild.
12728         * testsuite/Makefile.
12729
12730 2008-04-11  Ian Lance Taylor  <iant@google.com>
12731
12732         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12733         justsyms.t.
12734         * testsuite/Makefile.in: Rebuild.
12735
12736         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12737         long.
12738         * testsuite/script_test_2.cc (main): Adjust test.
12739
12740 2008-04-11  David S. Miller  <davem@davemloft.net>
12741             Ian Lance Taylor  <iant@google.com>
12742
12743         * options.h (General_options): Add entries for '-Y' and
12744         '-relax'.
12745         * options.cc (General_options:finalize): If -Y was used, add those
12746         entries to the library path instead of the default "/lib" and
12747         "/usr/lib".
12748
12749 2008-04-11  David S. Miller  <davem@davemloft.net>
12750
12751         * testsuite/justsyms.t: Start at 0x100.
12752         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12753         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12754         long.
12755         * testsuite/script_test_2.cc: Adjust string and section length
12756         checks.
12757
12758 2008-04-09  Ian Lance Taylor  <iant@google.com>
12759
12760         PR gold/5996
12761         * script-sections.cc (Sections_element::allocate_to_segment): Add
12762         orphan parameter.
12763         (Output_section_definition::allocate_to_segment): Likewise.
12764         (Orphan_output_section::allocate_to_segment): Likewise.
12765         (Script_sections::attach_sections_using_phdrs_clause): Don't
12766         propagate non-PT_LOAD segments to orphan sections.
12767         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12768         readelf rather than objdump.
12769         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12770         .interp section and PT_INTERP segment are the same size.
12771         * testsuite/Makefile.in: Rebuild.
12772
12773         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12774         aliases for symbols defined in the same object.
12775         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12776         (weak_alias_test_SOURCES): New variable.
12777         (weak_alias_test_DEPENDENCIES): New variable.
12778         (weak_alias_test_LDFLAGS): New variable.
12779         (weak_alias_test_LDADD): New variable.
12780         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12781         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12782         (weak_alias_test_3.o): New target.
12783         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12784         * testsuite/weak_alias_test_main.cc: New file.
12785         * testsuite/weak_alias_test_1.cc: New file.
12786         * testsuite/weak_alias_test_2.cc: New file.
12787         * testsuite/weak_alias_test_3.cc: New file.
12788
12789 2008-04-08  Ian Lance Taylor  <iant@google.com>
12790
12791         * options.h (class General_options): Add --noinhibit-exec option.
12792         * main.cc (main): Check --noinhibit-exec.
12793
12794         * options.h (class General_options): Define --wrap as a special
12795         option.  Add wrap_symbols_ field.
12796         (General_options::any_wrap_symbols): New function.
12797         (General_options::is_wrap_symbol): New function.
12798         * options.cc (General_options::parse_wrap): New function.
12799         (General_options::General_options): Initialize wrap_symbols_.
12800         * symtab.cc (Symbol_table::wrap_symbol): New function.
12801         (Symbol_table::add_from_object): Handle --wrap.
12802         * symtab.h (class Symbol_table): Declare wrap_symbol.
12803         * target.h (Target::wrap_char): New function.
12804         (Target::Target_info): Add wrap_char field.
12805         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12806         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12807         * testsuite/testfile.cc (Target_test::test_target_info):
12808         Likewise.
12809
12810         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12811         there is one.
12812
12813         * layout.h (class Layout): Add added_eh_frame_data_ field.
12814         * layout.cc (Layout::Layout): Initialize new field.
12815         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12816         output section until we find a section we merged successfully.
12817         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12818         that the size be non-zero.
12819
12820         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12821         qualifier.
12822
12823 2008-04-08  Craig Silverstein  <csilvers@google.com>
12824
12825         * configure.ac: Export new conditional variable HAVE_ZLIB.
12826         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12827         on HAVE_ZLIB.
12828         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12829         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12830
12831 2008-04-07  Ian Lance Taylor  <iant@google.com>
12832
12833         * version.cc (version_string): Set to "1.5".
12834
12835         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12836         Add issued_non_pic_error_ field.  Declare check_non_pic.
12837         (Target_x86_64::Scan::check_non_pic): New function.
12838         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12839         (Target_x86_64::Scan::global): Likewise.
12840
12841         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12842         addend parameter.  Change caller.  Handle merge sections.
12843         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12844         Address to Addend.  Don't add in the result of
12845         local_section_offset, pass down the addend and use the returned
12846         value.
12847         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12848         Update declarations of local_section_offset and symbol_value.
12849         * testsuite/two_file_test_1.cc (t18): New function.
12850         * testsuite/two_file_test_2.cc (f18): New function.
12851         * testsuite/two_file_test_main.cc (main): Call t18.
12852         * testsuite/two_file_test.h (t18, f18): Declare.
12853
12854         * configure.ac: Don't test for objdump, c++filt, or readelf.
12855         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12856         conditionals.
12857         (TEST_READELF): New variable.
12858         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12859         (check_PROGRAMS): Add two_file_strip_test.
12860         (two_file_strip_test): New target.
12861         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12862         (two_file_same_shared_strip_test_SOURCES): New variable.
12863         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12864         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12865         (two_file_same_shared_strip_test_LDADD): New variable.
12866         (two_file_shared_strip.so): New target.
12867         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12868         (ver_test_5.syms, ver_test_7.syms): Likewise.
12869         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12870         (strip_test_3.stdout): Use TEST_OBJDUMP.
12871         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12872
12873 2008-04-04  Cary Coutant  <ccoutant@google.com>
12874
12875         * symtab.h (Symbol::is_weak_undefined): New function.
12876         (Symbol::is_strong_undefined): New function.
12877         (Symbol::is_absolute): New function.
12878         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12879         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12880         absolute symbols.
12881         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12882         (weak_undef_test): New target.
12883         * testsuite/Makefile.in: Rebuild.
12884         * testsuite/weak_undef_file1.cc: New file.
12885         * testsuite/weak_undef_file2.cc: New file.
12886         * testsuite/weak_undef_test.cc: New file.
12887
12888 2008-04-03  Craig Silverstein  <csilvers@google.com>
12889
12890         * compressed_output.h (class Output_compressed_section): Use
12891         unsigned buffer.
12892         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12893         add zlib header.
12894         (zlib_compressed_suffix): Removed.
12895         (Output_compressed_section::set_final_data_size): Use unsigned
12896         buffers.
12897         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12898         Fix linker invocation.
12899         (flagstest_o_specialfile_and_compress_debug_sections):
12900         Likewise.
12901         * testsuite/Makefile.in: Regenerated.
12902
12903 2008-04-02  David S. Miller  <davem@davemloft.net>
12904
12905         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12906         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12907
12908 2008-04-02  Craig Silverstein  <csilvers@google.com>
12909
12910         * TODO: New file.
12911
12912 2008-04-02  Ian Lance Taylor  <iant@google.com>
12913
12914         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12915         parameters.  Update for new key type to views_.  Change all
12916         callers.
12917         (File_read::read): Adjust for byteshift in returned view.
12918         (File_read::add_view): New function, broken out of
12919         find_and_make_view.
12920         (File_read::make_view): New function, broken out of
12921         find_and_make_view.
12922         (File_read::find_or_make_view): Add offset and aligned
12923         parameters.  Rewrite accordingly.  Change all callers.
12924         (File_read::get_view): Add offset and aligned parameters.  Adjust
12925         for byteshift in return value.
12926         (File_read::get_lasting_view): Likewise.
12927         * fileread.h (class File_read): Update declarations.
12928         (class File_read::View): Add byteshift_ field.  Add byteshift to
12929         constructor.  Add byteshift method.
12930         * archive.h (Archive::clear_uncached_views): New function.
12931         (Archive::get_view): Add aligned parameter.  Change all callers.
12932         * object.h (Object::get_view): Add aligned parameter.  Change all
12933         callers.
12934         (Object::get_lasting_view): Likewise.
12935
12936         * fileread.cc (File_read::release): Don't call clear_views if
12937         there are multiple objects.
12938         * fileread.h (File_read::clear_uncached_views): New function.
12939         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12940         on the archive.
12941
12942 2008-03-31  Cary Coutant  <ccoutant@google.com>
12943
12944         Add thin archive support.
12945         * archive.cc (Archive::armagt): New const.
12946         (Archive::setup): Remove task parameter and calls to unlock.
12947         (Archive::unlock_nested_archives): New function.
12948         (Archive::read_header): Add nested_off parameter. Change
12949         all callers.
12950         (Archive::interpret_header): Likewise.
12951         (Archive::include_all_members): Change to handle thin
12952         archives.
12953         (Archive::include_member): Likewise.
12954         * archive.h (Archive::Archive): Add new parameters and
12955         initializers.
12956         (Archive::armagt): New const.
12957         (Archive::setup): Remove task parameter.
12958         (Archive::unlock_nested_archives): New function.
12959         (Archive::read_header): Add nested_off parameter.
12960         (Archive::interpret_header): Likewise.
12961         (Archive::Nested_archive_table): New typedef.
12962         (Archive::is_thin_archive_): New field.
12963         (Archive::nested_archives_): New field.
12964         (Archive::options_): New field.
12965         (Archive::dirpath_): New field.
12966         (Archive::task_): New field.
12967         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12968         for thin archives.  Pass additional parameters to
12969         Archive::Archive.  Unlock the archive file after calling
12970         Archive::setup.
12971
12972 2008-03-29  Ian Lance Taylor  <iant@google.com>
12973
12974         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12975         version symbol to be local.
12976         * testsuite/ver_test_4.sh: New file.
12977         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12978         (check_DATA): Add ver_test_4.syms.
12979         (ver_test_4.syms): New target.
12980         * testsuite/Makefile.in: Rebuild.
12981
12982         * output.cc
12983         (Output_section::Input_section_sort_entry::has_priority): New
12984         function.
12985         (Output_section::Input_section_sort_entry::match_file_name): New
12986         function.
12987         (Output_section::Input_section_sort_entry::match_section_name):
12988         Remove.
12989         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12990         Remove.
12991         (Output_section::Input_section_sort_entry::match_section_file):
12992         Remove.
12993         (Output_section::Input_section_sort_compare::operator()): Rewrite
12994         using new Input_section_sort_entry functions.  Sort crtbegin and
12995         crtend first.  Sort sections with no priority before sections with
12996         a priority.
12997         * testsuite/initpri1.c (d3): Check j != 4.
12998         (cd5): New constructor/destructor function.
12999         (main): Check j != 2.
13000
13001         * symtab.cc (Symbol_table::add_from_object): If we don't use the
13002         new symbol when resolving, don't call set_is_default.
13003         * testsuite/ver_test_7.cc: New file.
13004         * testsuite/ver_test_7.sh: New file.
13005         * testsuite/Makefile.am (ver_test_7.so): New target.
13006         (ver_test_7.o): New target.
13007         (check_SCRIPTS): Add ver_test_7.sh.
13008         (check_DATA): Add ver_test_7.syms.
13009         (ver_test_7.syms): New target.
13010
13011 2008-03-28  Ian Lance Taylor  <iant@google.com>
13012
13013         * layout.cc (Layout::layout): If we see an input section with a
13014         name that needs sorting, set the must_sort flag for the output
13015         section.
13016         (Layout::make_output_section): If the name of the output section
13017         indicates that it might require sorting, set the may_sort flag.
13018         * output.h (Output_section::may_sort_attached_input_sections): New
13019         function.
13020         (Output_section::set_may_sort_attached_input_sections): New
13021         function.
13022         (Output_section::must_sort_attached_input_sections): New
13023         function.
13024         (Output_section::set_must_sort_attached_input_sections): New
13025         function.
13026         (class Output_section): Declare Input_section_sort_entry.  Define
13027         Input_section_sort_compare.  Declare
13028         sort_attached_input_sections.  Add new fields:
13029         may_sort_attached_input_sections_,
13030         must_sort_attached_input_sections_,
13031         attached_input_sections_are_sorted_.
13032         * output.cc (Output_section::Output_section): Initialize new
13033         fields.
13034         (Output_section::add_input_section): Add an entry to
13035         input_sections_ if may_sort or must_sort are true.
13036         (Output_section::set_final_data_size): Call
13037         sort_attached_input_sections if necessary.
13038         (Output_section::Input_section_sort_entry): Define new class.
13039         (Output_section::Input_section_sort_compare::operator()): New
13040         function.
13041         (Output_section::sort_attached_input_sections): New function.
13042         * configure.ac: Check whether the compiler supports constructor
13043         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
13044         * testsuite/initpri1.c: New file.
13045         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
13046         CONSTRUCTOR_PRIORITY.
13047         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
13048         (initpri1_LDFLAGS): New variable.
13049         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13050
13051 2008-03-27  Ian Lance Taylor  <iant@google.com>
13052
13053         * common.cc (Sort_commons::operator): Correct sorting algorithm.
13054         * testsuite/common_test_1.c: New file.
13055         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
13056         (common_test_1_SOURCES): New variable.
13057         (common_test_1_DEPENDENCIES): New variable.
13058         (common_test_1_LDFLAGS): New variable.
13059
13060         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
13061         and commons_ correctly when NAME/VERSION does not override
13062         NAME/NULL.
13063         * testsuite/ver_test_6.c: New file.
13064         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
13065         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
13066         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
13067
13068 2008-03-26  Ian Lance Taylor  <iant@google.com>
13069
13070         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
13071         of an undefined symbol from a version script.
13072         * testsuite/Makefile.am (ver_test_5.so): New target.
13073         (ver_test_5.o): New target.
13074         (check_SCRIPTS): Add ver_test_5.sh.
13075         (check_DATA): Add ver_test_5.syms.
13076         (ver_test_5.syms): New target.
13077         * testsuite/ver_test_5.cc: New file.
13078         * testsuite/ver_test_5.script: New file.
13079         * testsuite/ver_test_5.sh: New file.
13080         * Makefile.in, testsuite/Makefile.in: Rebuild.
13081
13082         PR gold/5986
13083         Fix problems building gold with gcc 4.3.0.
13084         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
13085         (gold_error_at_location, gold_warning_at_location): Use it.
13086         * configure.ac: Check whether we can compile and use a template
13087         function with a printf attribute.
13088         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
13089         when jumping over bytes.
13090         * object.cc: Instantiate Object::read_section_data.
13091         * debug.h: Include <cstring>
13092         * dwarf_reader.cc: Include <algorithm>
13093         * main.cc: Include <cstring>.
13094         * options.cc: Include <cstring>.
13095         * output.cc: Include <cstring>.
13096         * script.cc: Include <cstring>.
13097         * script.h: Include <string>.
13098         * symtab.cc: Include <cstring> and <algorithm>.
13099         * target-select.cc: Include <cstring>.
13100         * version.cc: Include <string>.
13101         * testsuite/testmain.cc: Include <cstdlib>.
13102         * configure, config.in: Rebuild.
13103
13104 2008-03-25  Ian Lance Taylor  <iant@google.com>
13105
13106         * options.cc: Include "../bfd/bfdver.h".
13107         (options::help): Print bug reporting address.
13108
13109         * version.cc (print_version): Adjust output for current value of
13110         BFD_VERSION_STRING.
13111
13112         * NEWS: New file.
13113
13114         * options.cc (options::help): Print list of supported targets.
13115         * target-select.h: Include <vector>.
13116         (class Target_selector): Make machine_, size_, and is_big_endian_
13117         fields const.  Add bfd_name_ and instantiated_target_ fields.
13118         (Target_selector::Target_selector): Add bfd_name parameter.
13119         (Target_selector::recognize): Make non-virtual, call
13120         do_recognize.
13121         (Target_selector::recognize_by_name): Make non-virtual, call
13122         do_recognize_by_name.
13123         (Target_selector::supported_names): New function.
13124         (Target_selector::bfd_name): New function.
13125         (Target_selector::do_instantiate_target): New pure virtual
13126         function.
13127         (Target_selector::do_recognize): New virtual function.
13128         (Target_selector::do_recognize_by_name): New virtual function.
13129         (Target_selector::instantiate_target): New private function.
13130         (supported_target_names): Declare.
13131         * target-select.cc (Target_selector::Target_selector): Update for
13132         new parameter and fields.
13133         (select_target_by_name): Check that the name matches before
13134         calling recognize_by_name.
13135         (supported_target_names): New function.
13136         * i386.cc (class Target_selector_i386): Update Target_selector
13137         constructor call.  Remove recognize and recognize_by_name.  Add
13138         do_instantiate_target.
13139         * x86_64.cc (class Target_selector_x86_64): Likewise.
13140         * testsuite/testfile.cc (class Target_selector_test): Update for
13141         changes to Target_selector.
13142
13143         * README: Rewrite, with some notes on unsupported features.
13144
13145 2008-03-24  Cary Coutant  <ccoutant@google.com>
13146
13147         * i386.cc (Target_i386::Got_type): New enum declaration.
13148         (Target_i386::Scan::local): Updated callers of Output_data_got
13149         member functions.
13150         (Target_i386::Scan::global): Likewise.
13151         (Target_i386::Relocate::relocate): Likewise.
13152         (Target_i386::Relocate::relocate_tls): Likewise.
13153         * object.h (Got_offset_list): New class.
13154         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13155         (Sized_relobj::local_got_offset): Likewise.
13156         (Sized_relobj::set_local_got_offset): Likewise.
13157         (Sized_relobj::local_has_tls_got_offset): Removed.
13158         (Sized_relobj::local_tls_got_offset): Removed.
13159         (Sized_relobj::set_local_tls_got_offset): Removed.
13160         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13161         * output.cc (Output_data_got::add_global): Added got_type parameter.
13162         (Output_data_got::add_global_with_rel): Likewise.
13163         (Output_data_got::add_global_with_rela): Likewise.
13164         (Output_data_got::add_global_pair_with_rel): New function.
13165         (Output_data_got::add_global_pair_with_rela): New function.
13166         (Output_data_got::add_local): Added got_type parameter.
13167         (Output_data_got::add_local_with_rel): Likewise.
13168         (Output_data_got::add_local_with_rela): Likewise.
13169         (Output_data_got::add_local_pair_with_rel): New function.
13170         (Output_data_got::add_local_pair_with_rela): New function.
13171         (Output_data_got::add_global_tls): Removed.
13172         (Output_data_got::add_global_tls_with_rel): Removed.
13173         (Output_data_got::add_global_tls_with_rela): Removed.
13174         (Output_data_got::add_local_tls): Removed.
13175         (Output_data_got::add_local_tls_with_rel): Removed.
13176         (Output_data_got::add_local_tls_with_rela): Removed.
13177         * output.h (Output_data_got::add_global): Added got_type parameter.
13178         (Output_data_got::add_global_with_rel): Likewise.
13179         (Output_data_got::add_global_with_rela): Likewise.
13180         (Output_data_got::add_global_pair_with_rel): New function.
13181         (Output_data_got::add_global_pair_with_rela): New function.
13182         (Output_data_got::add_local): Added got_type parameter.
13183         (Output_data_got::add_local_with_rel): Likewise.
13184         (Output_data_got::add_local_with_rela): Likewise.
13185         (Output_data_got::add_local_pair_with_rel): New function.
13186         (Output_data_got::add_local_pair_with_rela): New function.
13187         (Output_data_got::add_global_tls): Removed.
13188         (Output_data_got::add_global_tls_with_rel): Removed.
13189         (Output_data_got::add_global_tls_with_rela): Removed.
13190         (Output_data_got::add_local_tls): Removed.
13191         (Output_data_got::add_local_tls_with_rel): Removed.
13192         (Output_data_got::add_local_tls_with_rela): Removed.
13193         * resolve.cc (Symbol::override_base_with_special): Removed
13194         reference to has_got_offset_ field.
13195         * symtab.cc (Symbol::init_fields): Replaced initialization
13196         of got_offset_ with got_offsets_.  Removed initialization
13197         of has_got_offset_
13198         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13199         (Symbol::got_offset): Likewise.
13200         (Symbol::set_got_offset): Likewise.
13201         (Symbol::has_tls_got_offset): Removed.
13202         (Symbol::tls_got_offset): Removed.
13203         (Symbol::set_tls_got_offset): Removed.
13204         (Symbol::got_offset_): Removed.
13205         (Symbol::tls_mod_got_offset_): Removed.
13206         (Symbol::tls_pair_got_offset_): Removed.
13207         (Symbol::got_offsets_): New field.
13208         (Symbol::has_got_offset): Removed.
13209         (Symbol::has_tls_mod_got_offset): Removed.
13210         (Symbol::has_tls_pair_got_offset): Removed.
13211         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13212         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13213         member functions.
13214         (Target_x86_64::Scan::global): Likewise.
13215         (Target_x86_64::Relocate::relocate): Likewise.
13216         (Target_x86_64::Relocate::relocate_tls): Likewise.
13217
13218 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13219
13220         * yyscript.y: Fix spelling error in comment.
13221
13222 2008-03-24  Ian Lance Taylor  <iant@google.com>
13223
13224         * options.h (class General_options): Define build_id option.
13225         * layout.h (class Layout): Declare write_build_id, create_note,
13226         create_build_id.  Add build_id_note_ member.
13227         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
13228         "libiberty.h", "md5.h", "sha1.h".
13229         (Layout::Layout): Initialize eh_frame_data_,
13230         eh_frame_hdr_section_, and build_id_note_.
13231         (Layout::finalize): Call create_build_id.
13232         (Layout::create_note): New function, broken out of
13233         Layout::create_gold_note.
13234         (Layout::create_gold_note): Call create_note.
13235         (Layout::create_build_id): New function.
13236         (Layout::write_build_id): New function.
13237         (Close_task_runner::run): Call write_build_id.
13238
13239         * x86_64.cc: Correct license to GPLv3.
13240
13241 2008-03-23  Ian Lance Taylor  <iant@google.com>
13242
13243         * options.cc: Include "demangle.h".
13244         (parse_optional_string): New function.
13245         (parse_long_option): Handle takes_optional_argument.
13246         (parse_short_option): Update dash_z initializer.  Handle
13247         takes_optional_argument.
13248         (General_options::General_options): Initialize do_demangle_.
13249         (General_options::finalize): Set do_demangle_.  Handle demangling
13250         style.
13251         * options.h (parse_optional_string): Declare.
13252         (struct One_option): Add optional_arg field.  Update constructor.
13253         Update call constructor calls.  Add takes_optional_argument
13254         function.
13255         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
13256         (DEFINE_optional_string): Define.
13257         (General_options::demangle): Change from DEFINE_bool to
13258         DEFINE_optional_string.
13259         (General_options::no_demangle): New function.
13260         (General_options::do_demangle): New function.
13261         (General_options::set_do_demangle): New function.
13262         (General_options::execstack_status_): Move definition to end of
13263         class definition.
13264         (General_options::static_): Likewise.
13265         (General_options::do_demangle_): New field.
13266         * object.cc (big_endian>::get_symbol_location_info): Call
13267         Options::do_demangle, not Options::demangle.
13268         * symtab.cc (demangle): Likewise.
13269
13270 2008-03-22  Ian Lance Taylor  <iant@google.com>
13271
13272         * gold.h: Include <cstddef> and <sys/types.h>
13273         * options.h: Include <cstring>.
13274
13275 2008-03-21  Ian Lance Taylor  <iant@google.com>
13276
13277         * Added source code to GNU binutils.