gold/ChangeLog

   1 2010-01-21  Doug Kwan  <dougkwan@google.com>
   2
   3         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
   4         classes.
   5         (Arm_exidx_section_offset_map): New type.
   6
   7 2010-01-21  Doug Kwan  <dougkwan@google.com>
   8
   9         * arm.cc (Arm_exidx_input_section): New class.
  10         (Arm_relobj::exidx_input_section_by_link,
  11         Arm_relobj::exidx_input_section_by_shndx,
  12         Arm_relobj::make_exidx_input_section): New methods.
  13         (read_arm_attributes_section): Remove.
  14         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
  15         information about them.
  16         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
  17         to here.
  18
  19 2010-01-20  Doug Kwan  <dougkwan@google.com>
  20
  21         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
  22         Input_section_specifier to Section_id.
  23         (Target_arm::new_arm_input_section: Adjust code for change of key
  24         type.
  25         (Target_arm::find_arm_input_section): Ditto.
  26         * gc.h (object.h): Include for Section_id nand Section_id_hash.
  27         (Section_id): Remove.
  28         (Garbage_collection::Section_id_hash): Remove.
  29         * icf.h (object.h): Include for Section_id nand Section_id_hash.
  30         (Section_id): Remove.
  31         (Icf::Section_id_hash): Remove.
  32         * object.h (Section_id, Const_section_id, Section_id_hash,
  33         Const_section_id_hash): New type definitions.
  34         * output.cc (Output_section::add_relaxed_input_section): Change to
  35         use Const_section_id instead of Input_section_specifier as key type.
  36         (Output_section::add_merge_input_section): Ditto.
  37         (Output_section::build_relaxation_map): Change to use Section_id
  38         instead of Input_section_specifier as key type.
  39         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
  40         Ditto.
  41         (Output_section::convert_input_sections_to_relaxed_sections): Change
  42         to use Const_section_id instead of Input_section_specifier as key type.
  43         (Output_section::find_merge_section): Ditto.
  44         (Output_section::find_relaxed_input_section): Ditto.
  45         * output.h (Input_section_specifier): Remove class.
  46         (Output_section::Output_section_data_by_input_section_map): Change
  47         key type to Const_section_id.
  48         (Output_section::Output_relaxed_input_section_by_input_section_map):
  49         Ditto.
  50         (Output_section::Relaxation_map): Change key type to Section_id.
  51
  52 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
  53
  54         * gold/arm.cc: Added support for R_ARM_V4BX relocation
  55         (class Arm_v4bx_stub): New class.
  56         (DEF_STUBS): Updated definition to support v4_veneer_bx.
  57         (Stub_factory::make_arm_v4bx_stub): New method.
  58         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
  59         (Stub_table::empty): Handle v4bx stubs.
  60         (Stub_table::add_arm_v4bx_stub): New method.
  61         (Stub_table::find_arm_v4bx_stub): New method.
  62         (Arm_relocate_functions::v4bx): New method.
  63         (Target_arm::fix_v4bx): New method.
  64         (Target_arm::Target_arm): Handle R_ARM_V4BX.
  65         (Stub_table::relocate_stubs): Likewise.
  66         (Stub_table::do_write): Likewise.
  67         (Stub_table::update_data_size_and_addralign): Likewise.
  68         (Stub_table::finalize_stubs):  Likewise.
  69         (Target_arm::Scan::local): Likewise.
  70         (Target_arm::Scan::global): Likewise.
  71         (Target_arm::do_finalize_sections): Likewise.
  72         (Target_arm::Relocate::relocate): Likewise.
  73         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
  74         Likewise.
  75         (Target_arm::scan_reloc_for_stub): Likewise.
  76         (Target_arm::scan_reloc_section_for_stubs): Likewise.
  77
  78 2010-01-19  Ian Lance Taylor  <iant@google.com>
  79
  80         * output.cc (Output_section_headers::do_sized_write): Write large
  81         segment count to sh_info field.
  82         (Output_file_header::do_sized_write): For large segment count,
  83         write PN_XNUM to e_phnum field.
  84
  85 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
  86
  87         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
  88         (Arm_relocate_functions::thm_jump8): New function.
  89         (Arm_relocate_functions::thm_jump11): New function.
  90         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
  91         R_ARM_THM_JUMP11.
  92         (Target_arm::Scan::global): Likewise.
  93         (Target_arm::Relocate::relocate): Likewise.
  94         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
  95         Likewise.
  96
  97 2010-01-14  Doug Kwan  <dougkwan@google.com>
  98
  99         * arm.cc (map, utility): Include headers.
 100         (Target_arm::apply_cortex_a8_workaround): New method.
 101         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
 102         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
 103         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
 104         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
 105         the --[no-]fix-cortex-a8 command line options.
 106         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
 107         (Target_arm::relocate_stub): Use addend in instruction template.
 108         * options.h (DEFINE_bool): Set the user-set flag.
 109         (General_options): Add --[no-]-fix-cortex options.
 110         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
 111         : Update fast look-up map after conversion.
 112
 113 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
 114
 115         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
 116         in the first pass of do_layout.
 117
 118 2010-01-13  Doug Kwan  <dougkwan@google.com>
 119
 120         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
 121         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
 122         apparent compiler problem of not folding static constant integral
 123         data members of elfcpp::Elf_sizes<32>.
 124
 125 2010-01-13  Doug Kwan  <dougkwan@google.com>
 126
 127         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
 128         Arm_relobj::section_needs_cortex_a8_stub_scanning,
 129         Arm_relobj::scan_section_for_cortex_a8_erratum,
 130         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
 131         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
 132         sections to scan for relocation stubs into a new method
 133         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
 134         relocation and Cortex-A8 stub scanning.
 135         (Target_arm::do_relax): Force stubs to be after stubbed sections
 136         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
 137         the beginning of a new relaxation pass.  Update a comment.
 138         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
 139
 140 2010-01-12  Ian Lance Taylor  <iant@google.com>
 141
 142         * target-reloc.h (visibility_error): New inline function.
 143         (relocate_section): Call visibility_error.
 144         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
 145         (MOSTLYCLEANFILES): Likewise.
 146         (protected_4_pic.o, protected_3.err): New targets.
 147         * testsuite/protected_4.cc: New file.
 148
 149 2010-01-12  Doug Kwan  <dougkwan@google.com>
 150
 151         * arm.cc (Cortex_a8_reloc): New class.
 152         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
 153         and cortex_a8_relocs_info_.
 154         (Target_arm::fix_cortex_a8): New method definition.
 155         (Target_arm::Cortex_a8_relocs_info): New type.
 156         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
 157         New data member declarations.
 158         (Target_arm::scan_reloc_for_stub): Record information about
 159         relocations for THUMB branches that might be exempted from the
 160         Cortex-A8 workaround.
 161         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
 162         at the beginning of a relaxation pass.
 163
 164 2010-01-12  Doug Kwan  <dougkwan@google.com>
 165
 166         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
 167         (Arm_relobj::Mapping_symbol_position,
 168          Arm_reloj::Mapping_symbol_position_less,
 169          Arm_relobj::Mapping_symbols_info): New types.
 170         (Target_arm::is_mapping_symbol_name): New method definition.
 171         (Arm_relobj::do_count_local_symbols): Save information about mapping
 172         symbols.
 173
 174 2010-01-11  Doug Kwan  <dougkwan@google.com>
 175
 176         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
 177         Arm_relocate_functions::thumb32_branch_upper,
 178         Arm_relocate_functions::thumb32_branch_lower,
 179         Arm_relocate_functions::thumb32_cond_branch_offset,
 180         Arm_relocate_functions::thumb32_cond_branch_upper,
 181         Arm_relocate_functions::thumb32_cond_branch_lower,
 182         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
 183         branch offset encoding.
 184         (Arm_relocate_functions::thumb_branch_common): Use new branch
 185         offset encoding methods to avoid code duplication.
 186         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
 187         (Stub_addend_reader::operator()): Use new branch encoding method
 188         to avoid code duplication.
 189
 190 2010-01-11  Doug Kwan  <dougkwan@google.com>
 191
 192         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
 193         (Target_arm::do_finalize_sections): Define special EXIDX section
 194         symbols only if referenced.
 195         * gc.h (Garbage_collection::add_reference): New method.
 196         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
 197         code duplication.
 198
 199 2010-01-11  Ian Lance Taylor  <iant@google.com>
 200
 201         * script.cc (Version_script_info::build_expression_list_lookup):
 202         Change complaing about duplicate wildcard match from error to
 203         warning.
 204
 205         * script.cc (class Lazy_demangler): Recreate--revert part of patch
 206         of 2009-12-30.
 207         (Version_script_info::Version_script_info): Initialize globs_,
 208         default_version_, default_is_global_, and exact_.  Don't
 209         initialize globals_ or locals_.
 210         (Version_script_info::build_lookup_tables): Build local symbols
 211         first.
 212         (Version_script_info::unquote): New function.
 213         (Version_script_info::add_exact_match): New function.
 214         (Version_script_info::build_expression_list_lookup): Remove lookup
 215         parameter.  Add is_global parameter.  Change all callers.  Handle
 216         wildcard pattern specially.  Unquote pattern.  Call
 217         add_exact_match.
 218         (Version_script_info::get_name_to_match): New function.
 219         (Version_script_info::get_symbol_version): New function.
 220         (Version_script_info::get_symbol_version_helper): Remove.
 221         (Version_script_info::check_unmatched_names): Call unquote.
 222         * script.h (class Version_script_info): Change get_symbol_version
 223         to be non-inline and add is_global parameter; change all callers.
 224         Rewrite symbol_is_local.  Update declarations.  Define struct
 225         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
 226         Remove globals_ and locals_ members.  Add exact_, globs_,
 227         default_version_, is_global_.
 228         (Version_script_info::Glob): Remove pattern, add expression and
 229         is_global.  Update constructor.  Change all callers.
 230         * dynobj.cc (Versions::finalize): Mark the version symbol as the
 231         default version.
 232         (Versions::symbol_section_contents): If a symbol is undefined, or
 233         defined in a dynamic object, set the version index to
 234         VER_NDX_LOCAL.
 235         * symtab.cc (Symbol_table::add_from_relobj): Don't call
 236         symbol_is_local.
 237         (Symbol_table::add_from_pluginobj): Likewise.
 238         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
 239
 240 2010-01-11  Doug Kwan  <dougkwan@google.com>
 241
 242         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
 243         (incremental_dump_LDADD): Add linking option for libintl.
 244         * Makefile.in: Regenerate.
 245
 246 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
 247
 248         PR gold/11144
 249         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
 250         instead of -Ds.
 251         * testsuite/Makefile.in: Regenerated.
 252
 253 2010-01-10  Doug Kwan  <dougkwan@google.com>
 254
 255         * options.h (DEFINE_var): Use parentheses around argument varname__
 256         in macro body to avoid any unintended subsequent substitutions.
 257
 258 2010-01-10  Ian Lance Taylor  <iant@google.com>
 259
 260         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
 261         candidates before doing symbol resolution.
 262
 263         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
 264         ODR candidates if only one is weak.
 265
 266 2010-01-08  Ian Lance Taylor  <iant@google.com>
 267
 268         * script.cc (Version_script_info::build_expression_list_lookup):
 269         Don't warn about ambiguous version, just record the ambiguity.
 270         (Version_script_info::get_symbol_version_helper): Give error if
 271         version is ambiguous.
 272
 273 2010-01-08  Doug Kwan  <dougkwan@google.com>
 274
 275         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
 276           prev_data_size_ and prev_addralign_.  Remove initializer for
 277           deleted data member has_been_changed_.
 278           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
 279           to determine if the table is empty.
 280           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
 281           Remove.
 282           (Stub_table::add_reloc_stub): Define method in class definition
 283           instead of just declaring it there.
 284           (Stub_table::add_cortex_a8_stub): New method definition.
 285           (Stub_table::update_data_size_and_addralign): Ditto.
 286           (Stub_table::finalize_stubs): Ditto.
 287           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
 288           (Stub_table::do_addralign_): Return address alignment in the
 289           (Stub_table::do_reset_address_and_file_offset): Define method in
 290           class definition instead of declaring it there.  Set current data
 291           size to be the data size of the previous pass.
 292           (Stub_table::set_final_data_size): Use current data size as the
 293           final data size.
 294           (Stub_table::relocate_stub): Change parameter type of stub from
 295           Reloc_stub pointer to Stub pointer.
 296           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
 297           (Stub_table::Cortex_a8_stub_list): New typedef.
 298           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
 299            Stub_table::prev_addralign_): New data member.
 300           (Arm_relobj::Arm_relobj): Initialize data member
 301           section_has_cortex_a8_workaround_.
 302           (Arm_relobj::section_has_cortex_a8_workaround,
 303            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
 304            definitions.
 305           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
 306           declarations.
 307           (Target_arm::relocate_stub): Change parameter type of stub from
 308           Reloc_stub pointer to Stub pointer.
 309           (Insn_template::size, Insn_template::alignment): Handle
 310           THUMB16_SPECIAL_TYPE.
 311           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
 312            Stub_table::update_data_size_and_addralign,
 313            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
 314           definitions.
 315           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
 316           (Stub_table::do_write): Ditto.
 317           (Target_arm::do_relax): Adjust code for changes in Stub_table.
 318
 319 2010-01-08  Ian Lance Taylor  <iant@google.com>
 320
 321         PR 11108
 322         * symtab.h (class Symbol): Remove fields is_target_special_ and
 323         has_plt_offset_.  Add field is_defined_in_discarded_section_.
 324         (Symbol::is_defined_in_discarded_section): New function.
 325         (Symbol::set_is_defined_in_discarded_section): New function.
 326         (Symbol::has_plt_offset): Rewrite.
 327         (Symbol::set_plt_offset): Verify that new offset is not -1U.
 328         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
 329         Don't initialize is_target_special_ or has_plt_offset_.
 330         Initialize is_defined_in_discarded_section_.
 331         (Symbol_table::add_from_relobj): If appropriate, set
 332         is_defined_in_discarded_section.
 333         * resolve.cc (Symbol::override_base_with_special): Don't test
 334         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
 335         * target-reloc.h (relocate_section): Do special handling for
 336         symbols defined in discarded sections for global symbols as well
 337         as local symbols.
 338
 339 2010-01-08  Ian Lance Taylor  <iant@google.com>
 340
 341         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
 342         the SHT_SYMTAB case.
 343
 344 2010-01-08  Ian Lance Taylor  <iant@google.com>
 345
 346         * object.cc (Sized_relobj::do_layout): Don't get confused if
 347         layout_eh_frame returns NULL.
 348
 349 2010-01-08  Ian Lance Taylor  <iant@google.com>
 350
 351         PR 11084
 352         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
 353         dynamic symbol table, use the normal symbol table.
 354         (Sized_dynobj::do_read_symbols): Remove assertion about type of
 355         symbol table.
 356
 357 2010-01-08  Ian Lance Taylor  <iant@google.com>
 358
 359         PR 11072
 360         * layout.cc (Layout::include_section): Remove .gnu_debuglink
 361         sections.
 362
 363 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
 364
 365         * version.cc (print_version): Change to "Copyright 2010".
 366
 367 2010-01-08  Ian Lance Taylor  <iant@google.com>
 368
 369         PR 10287
 370         PR 11063
 371         * i386.cc (class Target_i386): Change return type of plt_section
 372         to be non-const.
 373         (class Output_data_plt_i386): Add tls_desc_rel_ field.
 374         (Output_data_plt_i386::Output_data_plt_i386): Initialize
 375         tls_desc_rel_ field.
 376         (Output_data_plt_i386::rel_tls_desc): New function.
 377         (Target_i386::rel_tls_desc_section): New function.
 378         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
 379         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
 380         R_386_TLS_DESC reloc in rel_tls_desc_section.
 381         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
 382         Define struct Tlsdesc_info.
 383         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
 384         (Target_x86_64::do_reloc_symbol_index): New function.
 385         (Target_x86_64::add_tlsdesc_info): New function.
 386         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
 387         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
 388         tlsdesc_rel_ field.
 389         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
 390         all callers.
 391         (Output_data_plt_x86_64::rela_tlsdesc): New function.
 392         (Target_x86_64::rela_tlsdesc_section): New function.
 393         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
 394         handling.
 395         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
 396         (Target_x86_64::do_reloc_addend): New function.
 397         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
 398         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
 399         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
 400         (Output_reloc::type): New function.
 401         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
 402         (Output_reloc::is_target_specific): New function.
 403         (Output_reloc::target_arg): New function.
 404         (class Output_reloc) [SHT_RELA]: Add four new constructors for
 405         absolute relocs and target specific relocs.
 406         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
 407         add_target_specific.
 408         (class Output_data_reloc) [SHT_RELA]: Likewise.
 409         * output.cc (Output_reloc::Output_reloc): Add four new versions
 410         for absolute relocs and target specific relocs.
 411         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
 412         (Output_reloc::get_symbol_index): Likewise.
 413         (Output_reloc::local_section_offset): Check that local_sym_index_
 414         is not TARGET_CODE or 0.
 415         (Output_reloc::symbol_value): Likewise.
 416         (Output_reloc::write) [SHT_RELA]: Call target for target specific
 417         reloc.
 418         * target.h (class Target): Add reloc_symbol_index and reloc_addend
 419         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
 420         functions.
 421         * layout.cc (add_target_dynamic_tags): Use output section for
 422         DT_PLTRELSZ and DT_JMPREL.
 423
 424 2010-01-07  Ian Lance Taylor  <iant@google.com>
 425
 426         PR 11061
 427         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
 428         function.
 429         (class Output_data_reloc_generic): Define.
 430         (class Output_data_reloc_base): Change base class to
 431         Output_data_reloc_generic.  Change add() method to call
 432         bump_relative_reloc_count for a relative reloc.  Remove
 433         sort_relocs_ field.
 434         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
 435         to sort_relocs().
 436         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
 437         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
 438         appropriate.
 439         * layout.h (class Layout): Update declaration.
 440
 441 2010-01-07  Ian Lance Taylor  <iant@google.com>
 442
 443         * output.h (class Output_data): Add const version of
 444         output_section and do_output_section.
 445         (class Output_section_data): Add const version of
 446         do_output_section.
 447         (class Output_section): Likewise.
 448         * layout.cc (Layout::add_target_dynamic_tags): New function.
 449         * layout.h (class Layout): Update declarations.
 450         * arm.cc (Target_arm::do_finalize_sections): Use
 451         add_target_dynamic_tags.
 452         * i386.cc (Target_i386::do_finalize_sections): Likewise.
 453         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
 454         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
 455         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 456
 457 2010-01-07  Ian Lance Taylor  <iant@google.com>
 458
 459         PR 11042
 460         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
 461         object as needed.
 462
 463 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
 464             Ian Lance Taylor  <iant@google.com>
 465
 466         PR 11019
 467         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
 468         Xindex::read_symtab_xindex.
 469
 470 2010-01-07  Doug Kwan  <dougkwan@google.com>
 471
 472         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
 473         (Insn_template::thumb16_bcond_insn): New method declaration.
 474         (Insn_template): Fix spelling.
 475         (Stub::thumb16_special): New method declaration.
 476         (Stub::do_write): Define virtual method which was previously pure
 477         virtual.
 478         (Stub::do_thumb16_special): New method declaration.
 479         (Stub::do_fixed_endian_write): New template member.
 480         (Reloc_stub::do_write): Remove.
 481         (Reloc_stub::do_fixed_endian_write): Remove.
 482         (Cortex_a8_stub): New class definition.
 483         (Stub_factory::make_cortex_a8_stub): New method definition.
 484         (Stub_factory::Stub_factory): Add missing static storage class
 485         qualifier for elf32_arm_stub_a8_veneer_blx.
 486
 487 2010-01-07  Ian Lance Taylor  <iant@google.com>
 488
 489         PR 10980
 490         * options.h (class General_options): Add --warn-unresolved-symbols
 491         and --error-unresolved-symbols.
 492         * errors.cc (Errors::undefined_symbol): Implement
 493         --warn-unresolved-symbols.
 494
 495         * options.h (class General_options): Add -z text and -z textoff.
 496         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
 497
 498 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
 499
 500         * gc.h (Garbage_collection::Cident_section_map): New typedef.
 501         (Garbage_collection::cident_sections): New function.
 502         (Garbage_collection::add_cident_section): New function.
 503         (Garbage_collection::cident_sections_): New member.
 504         (gc_process_relocs): Add references to sections whose names are C
 505         identifiers.
 506         * gold.h (cident_section_start_prefix): New constant.
 507         (cident_section_stop_prefix): New constant.
 508         (is_cident): New function.
 509         * layout.cc (Layout::define_section_symbols): Replace string constants
 510         with the newly defined constants.
 511         * object.cc (Sized_relobj::do_layout): Track sections whose names are
 512         C identifiers.
 513         * testsuite/Makefile.am: Add gc_orphan_section_test.
 514         * testsuite/Makefile.in: Regenerate.
 515         * testsuite/gc_orphan_section_test.cc: New file.
 516         * testsuite/gc_orphan_section_test.sh: New file.
 517
 518 2010-01-06  Ian Lance Taylor  <iant@google.com>
 519
 520         PR 10980
 521         * options.h (class General_options): Add --warn-shared-textrel.
 522         * layout.cc (Layout::finish_dynamic_section): Implement
 523         --warn-shared-textrel.
 524
 525         PR 10980
 526         * options.h (class General_options): Add --warn-multiple-gp.
 527
 528 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 529
 530         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
 531         $(THREADSLIB) and $(LIBDL).
 532         * Makefile.in: Rebuild.
 533
 534 2010-01-06  Ian Lance Taylor  <iant@google.com>
 535
 536         PR 10980
 537         * options.cc (General_options::parse_section_start): New function.
 538         (General_options::section_start): New function.
 539         (General_options::General_options): Initialize all members.
 540         * options.h: Include <map>
 541         (class General_options): Add --section-start.  Add section_starts_
 542         member.
 543         * layout.cc (Layout::attach_allocated_section_to_segment): If
 544         --section-start was used, set the address of the segment.  Remove
 545         local sort_sections.
 546         (Layout::relaxation_loop_body): If the address of the load segment
 547         has been set by --section-start, don't use it.
 548         * output.h (Output_segment::update_flags_for_output_section): New
 549         function.
 550         * output.cc (Output_segment::add_output_section): Call
 551         update_flags_for_output_section.
 552
 553 2010-01-05  Ian Lance Taylor  <iant@google.com>
 554
 555         PR 10980
 556         * options.h (class General_options): Add --undefined-version.
 557         * script.cc (struct Version_expression): Add was_matched_by_symbol
 558         field.
 559         (Version_script_info::matched_symbol): New function.
 560         (Version_script_info::get_symbol_version_helper): Call
 561         matched_symbol.
 562         (Version_script_info::check_unmatched_names): New function.
 563         * script.h (class Version_script_info): Update declarations.
 564         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
 565
 566         * options.h (class General_options): Use DEFINE_bool_alias for
 567         allow_multiple_definition.
 568         * resolve.cc (Symbol_table::should_override): Don't test
 569         allow_multiple_definition.
 570
 571         PR 10980
 572         * options.h (class General_options): Add --cref.
 573         * main.cc (main): Print cref table if --cref.  Don't close mapfile
 574         until after printing cref table.
 575         * cref.cc: Include "symtab.h".
 576         (class Cref_inputs): Define Cref_table_compare and Cref_table.
 577         (Cref_table_compare::operator()): New function.
 578         (Cref_inputs::gather_cref): New function.
 579         (filecol): New static const.
 580         (Cref_inputs::print_cref): New function.
 581         (Cref::print_cref): New function.
 582         * cref.h: Include <cstdio>.
 583         (class Cref): Update declarations.
 584         * mapfile.h (Mapfile::file): New function.
 585         * object.h (class Object): Define Symbols.  Declare virtual
 586         do_get_global_symbols.
 587         (Object::get_global_symbols): New function.
 588         * object.cc (Input_objects::add_object): Pass object to cref_ if
 589         --cref.
 590         (Input_objects::archive_start): Likewise.
 591         (Input_objects::archive_stop): Likewise.
 592         (Input_objects::print_cref): New function.
 593         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
 594         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
 595         --cref.
 596         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
 597         function.
 598         * plugin.h (class Sized_pluginobj): Update declarations.
 599
 600 2010-01-05  Ian Lance Taylor  <iant@google.com>
 601
 602         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
 603         to is_default_version.  Rename insdef to insdefault.
 604         (Symbol_table::add_from_relobj): Rename def to is_default_version
 605         and local to is_forced_local.
 606         (Symbol_table::add_from_pluginobj): Likewise.
 607         (Symbol_table::add_from_dynobj): Likewise.
 608         (Symbol_table::define_special_symbol): Rename insdef to
 609         insdefault.
 610
 611 2010-01-04  Ian Lance Taylor  <iant@google.com>
 612
 613         PR 10980
 614         * options.h (class General_options): Add
 615         --allow-multiple-definition and -z muldefs.
 616         * resolve.cc (Symbol_table::should_override): Don't warn about a
 617         multiple symbol definition if --allow-multiple-definition or -z
 618         muldefs.
 619
 620         PR 10980
 621         * options.h (class General_options): Add --add-needed and
 622         --copy-dt-needed-entries.  Tweak --as-needed help entry.
 623         * object.cc (Input_objects::check_dynamic_dependencies): Give an
 624         error if --copy-dt-needed-entries aka --add-needed is used and
 625         would cause a change in behaviour.
 626
 627         PR 10980
 628         * options.h (class General_options): Add -G as a short version of
 629         --shared.  Add no-op options -assert, -g, and -i.
 630
 631 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
 632
 633         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
 634         check for .text or .gnu.linkonce.t sections.
 635         * icf.cc (Icf::find_identical_sections): Ditto.
 636         Change the detection for mangled function name within the section
 637         name.
 638         * icf.h (is_section_foldable_candidate): New function.
 639
 640 2009-12-30  Ian Lance Taylor  <iant@google.com>
 641
 642         PR 10980
 643         * options.h (class General_options): Permit two dashes with
 644         --retain-symbols-file.
 645
 646 2009-12-30  Ian Lance Taylor  <iant@google.com>
 647
 648         PR 10979
 649         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
 650         don't put the file header and segment headers in the text
 651         segment.
 652
 653         PR 10979
 654         * common.cc (Sort_commons::operator()): Stabilize sort when both
 655         entries are NULL.
 656         (Symbol_table::do_allocate_commons_list): When allocating common
 657         symbols, skip a symbol which is no longer common.
 658         * symtab.h (Symbol::is_common): Test whether the symbol comes from
 659         an object before checking its type.
 660         * testsuite/common_test_2.c: New file.
 661         * testsuite/common_test_3.c: New file.
 662         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
 663         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
 664         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
 665         (common_test_2_pic.o, common_test_2.so): New targets.
 666         (common_test_3_pic.o, common_test_3.so): New targets.
 667         * testsuite/Makefile.in: Rebuild.
 668
 669         PR 10979
 670         * script.cc (read_input_script): If we see a new SECTIONS clause,
 671         and we have added an input section, give an error.
 672         * layout.h (class Layout): Add have_added_input_section function.
 673         Add have_added_input_section_ field.
 674         * layout.cc (Layout::Layout): Initialize
 675         have_added_input_section_.
 676         (Layout::layout): Set have_added_input_section_.
 677         (Layout::layout_eh_frame): Likewise.
 678
 679 2009-12-30  Ian Lance Taylor  <iant@google.com>
 680
 681         PR 10931
 682         * options.h (class General_options): Add --sort-common option.
 683         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
 684         * common.cc (Sort_common): Add sort_order parameter to
 685         constructor.  Add sort_order_ field.
 686         (Sort_commons::operator): Check sort_order_.
 687         (Symbol_table::allocate_commons): Determine the sort order.
 688         (Symbol_table::do_allocate_commons): Add sort_order parameter.
 689         Change all callers.
 690         (Symbol_table::do_allocate_commons_list): Likewise.
 691
 692 2009-12-30  Ian Lance Taylor  <iant@google.com>
 693
 694         PR 10916
 695         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
 696         symbols from this object, don't change the visibility of an
 697         undefined symbol.
 698         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
 699
 700 2009-12-30  Ian Lance Taylor  <iant@google.com>
 701
 702         PR 10861
 703         * script.h (class Version_script_info): Define Language enum.
 704         Update declarations.  Define Glob, Exact, and Lookup types.  Add
 705         new fields globals_, locals_, and is_finalized_.
 706         * script.cc: Various formatting fixes.
 707         (class Parser_closure): Change language_stack_ from a vector of
 708         std::string to one of Version_script_info::Language.  Adjust all
 709         uses accordingly.
 710         (class Lazy_demangler): Remove.
 711         (struct Version_expression): Change language from std::string to
 712         Version_script_info::Language.
 713         (Version_script_info::Version_script_info): New function.
 714         (Version_script_info::~Version_script_info): Don't call clear.
 715         (Version_script_info::finalize): New function.
 716         (Version_script_info::build_lookup_tables): New function.
 717         (Version_script_info::build_expression_list_lookup): New
 718         function.
 719         (Version_script_info::get_symbol_version_helper): Rewrite to use
 720         lookup tables.
 721         (Version_script_info::print_expression_list): Adjust to use
 722         Version_script_info::Language.
 723         (script_push_lex_into_version_mode): Check that the version script
 724         has not been finalized.
 725         (version_script_push_lang): Change language string to
 726         Version_script_info::Language.
 727         * options.cc (Command_line::version_script): New function.
 728         * options.h (class General_options): Add finalize_dynamic_list
 729         function.  Change version_script from declaration to definition.
 730         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
 731         * testsuite/version_script.map: Remove duplicate def of foo.
 732         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
 733         version_script.map.
 734         * testsuite/Makefile.in: Rebuild.
 735
 736 2009-12-30  Ian Lance Taylor  <iant@google.com>
 737
 738         PR 10843
 739         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
 740         if the input symbol index is 0, make the output symbol index 0.
 741
 742 2009-12-30  Ian Lance Taylor  <iant@google.com>
 743
 744         PR 10670
 745         * options.h (class General_options): Add -x/--discard-all.
 746         * object.cc (Sized_relobj::do_count_local_symbols): Handle
 747         --discard-all.  If the local symbol needs a dynamic entry, check
 748         that before handling --discard-locals.
 749
 750 2009-12-30  Ian Lance Taylor  <iant@google.com>
 751
 752         PR 10450
 753         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
 754         flags to PF_R.
 755         (Output_segment::add_output_section): Don't change the flags if
 756         the type is PT_TLS.
 757
 758         PR 10450
 759         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
 760         GNU hash table if they need a dynamic value.  Otherwise, don't add
 761         them if they are defined in a dynamic object or are forced local.
 762
 763 2009-12-29  Ian Lance Taylor  <iant@google.com>
 764
 765         PR 10450
 766         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
 767         .gnu.hash table for a 32-bit target.
 768
 769         PR 10450
 770         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
 771         regular and a dynamic object only needs a dynamic symbol table
 772         entry if it is externally visible.
 773
 774         PR 10450
 775         * i386.cc (class Target_i386): Initialize global_offset_table_ in
 776         constructor.  Add global_offset_table_ field.
 777         (Target_i386::got_section): Set global_offset_table_.
 778         (Target_i386::do_finalize_sections): Set global_offset_table_
 779         size.
 780         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
 781         in constructor.  Add global_offset_table_ field.
 782         (Target_x86_64::got_section): Set global_offset_table_.
 783         (Target_x86_64::do_finalize_sections): Set global_offset_table_
 784         size.
 785
 786         * layout.cc (Layout::Layout): Initialize increase_relro_.
 787         (Layout::get_output_section): Add is_relro, is_last_relro, and
 788         is_first_non_relro parameters.  Change all callers.
 789         (Layout::choose_output_section): Likewise.
 790         (Layout::add_output_section_data): Likewise.
 791         (Layout::make_output_section): Likewise.
 792         (Layout::set_segment_offsets): Clear increase_relro when using a
 793         linker script.
 794         * layout.h (class Layout): Add increase_relro method.  Add
 795         increase_relro_ field.  Update declarations.
 796         * output.cc (Output_section::Output_section): Initialize
 797         is_last_relro_ and is_first_non_relro_.
 798         (Output_segment::add_output_section): Group relro sections is
 799         do_sort is true.  Handle is_last_relro and is_first_non_relro.
 800         (Output_segment::maximum_alignment): Remove relro handling.
 801         (Output_segment::set_section_addresses): Add increase_relro
 802         parameter.  Change all callers.  Add initial alignment to align
 803         relro sections on separate page.  Remove old relro handling.
 804         (Output_segment::set_section_list_addresses): Remove in_relro
 805         parameter.  Change all callers.
 806         (Output_segment::set_offset): Add increase parameter.  Change all
 807         callers.  Remove old relro handling.
 808         * output.h (class Output_section): Add new methods: is_last_relro,
 809         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
 810         Add is_last_relro_ and is_first_non_relro_ fields.
 811         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
 812         Create separate .got.plt section.  Call increase_relro.
 813         * x86_64.cc (Target_x86_64::got_section): Likewise.
 814         * testsuite/relro_script_test.t: Add .got.plt.
 815
 816         PR 10450
 817         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
 818         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
 819         (Layout::finalize): Call set_dynamic_symbol_size.
 820         (Layout::set_dynamic_symbol_size): New function.
 821         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
 822         set_dynamic_symbol_size.
 823
 824         PR 10450
 825         * output.h (class Output_section): Add is_entsize_zero_ field.
 826         * output.cc (Output_section::Output_section): Initialize
 827         is_entsize_zero_.
 828         (Output_section::set_entsize): If two different entsizes are
 829         requested, force it to zero.
 830         (Output_section::add_input_section): Set flags for .debug_str
 831         before updating section flags.  Set entsize.
 832         (Output_section::update_flags_for_input_section): Set SHF_MERGE
 833         and SHF_STRING if all input sections have those flags.
 834
 835 2009-12-29   Rafael Espindola  <espindola@google.com>
 836
 837         * main.cc (main): Fix the sys time reporting.
 838         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
 839         reporting.
 840
 841 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
 842
 843         * options.cc (General_options::parse_version): Allow -v to exit
 844         without an error if there is nothing to link.
 845
 846 2009-12-29  Ian Lance Taylor  <iant@google.com>
 847
 848         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
 849         using a version of gcc before 4.1.
 850         * configure: Rebuild.
 851
 852 2009-12-28  Chris Demetriou  <cgd@google.com>
 853
 854         * attributes.cc (Output_attributes_section_data::do_write): Use
 855         std::vector::front rather than std::vector::data.
 856
 857 2009-12-28  Ian Lance Taylor  <iant@google.com>
 858
 859         * symtab.h (class Symbol_table): Add enum Defined.
 860         * resolve.cc (Symbol_table::should_override): Add defined
 861         parameter.  Change all callers.  Test whether object is NULL
 862         before calling a method on it.
 863         (Symbol_table::report_resolve_problem): Add defined parameter.
 864         Change all callers.
 865         (Symbol_table::should_override_with_special): Likewise.
 866         * symtab.cc (Symbol_table::define_in_output_data): Add defined
 867         parameter.  Change all callers.
 868         (Symbol_table::do_define_in_output_data): Likewise.
 869         (Symbol_table::define_in_output_segment): Likewise.
 870         (Symbol_table::do_define_in_output_segment): Likewise.
 871         (Symbol_table::define_as_constant): Likewise.
 872         (Symbol_table::do_define_as_constant): Likewise.
 873         * script.h (class Symbol_assignment): Add is_defsym parameter to
 874         constructor; change all callers.
 875         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
 876         parameter.  Change all callers.  Add is_defsym_ field.
 877         (class Parser_closure): Add parsing_defsym parameter to
 878         constructor; change all callers.  Add parsing_defsym accessor
 879         function.  Add parsing_defsym_ field.
 880
 881 2009-12-28  Ian Lance Taylor  <iant@google.com>
 882
 883         * gold.cc (queue_middle_tasks): Fix formatting.
 884         * object.cc (Relobj::is_section_name_included): Likewise.
 885
 886 2009-12-23  Ian Lance Taylor  <iant@google.com>
 887
 888         * i386.cc (Target_i386::do_calls_non_split): Recognize
 889         -fsplit-stack prologue for a function with a static chain.
 890         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
 891         -fsplit-stack prologue when using %r11.
 892
 893 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
 894
 895         * options.cc (General_options::parse_version): Make -v continue and do
 896         the link like GNU ld does.
 897
 898 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
 899
 900         * Makefile.am (CCFILES): Add timer.cc.
 901         (HFILES): Add timer.h.
 902         * configure.ac: Check for sysconf and times.
 903         * main.cc: include timer.h.
 904         (main): Use Timer instead of get_run_time.
 905         * timer.cc: New.
 906         * timer.h: New.
 907         * workqueue.cc: include timer.h.
 908         (Workqueue::find_and_run_task):
 909         Report user, sys and wall time.
 910         * Makefile.in: Regenerate.
 911         * config.in: Regenerate.
 912         * configure: Regenerate.
 913
 914 2009-12-16  Doug Kwan  <dougkwan@google.com>
 915
 916         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
 917         sections.
 918         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
 919         relaxed input sections.
 920         * output.cc (Output_section::find_relaxed_input_section): Change
 921         return type to Output_relaxed_input_section pointer.  Adjust code
 922         for new type of relaxed_input_section_map_.
 923         * output.h (Output_section::find_relaxed_input_section): Change
 924         return type to Output_relaxed_input_section pointer.
 925         (Output_section::Output_relaxed_input_section_by_input_section_map):
 926         New type.
 927         (Output_section::relaxed_input_section_map_): Change type to
 928         Output_section::Output_relaxed_input_section_by_input_section_map.
 929         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
 930         input section.
 931
 932 2009-12-15  Ian Lance Taylor  <iant@google.com>
 933
 934         * layout.cc (Layout::create_shstrtab): Only write out after input
 935         sections if we are compressing debug sections.
 936
 937 2009-12-15  Ian Lance Taylor  <iant@google.com>
 938
 939         * archive.cc (Archive::add_symbols): Only look up a symbol without
 940         a version if there is, in fact, a version.
 941
 942 2009-12-14  Ian Lance Taylor  <iant@google.com>
 943
 944         Revert -Wshadow changes, all changes from:
 945         2009-12-11  Doug Kwan  <dougkwan@google.com>
 946         2009-12-11  Nick Clifton  <nickc@redhat.com>
 947         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
 948
 949 2009-12-11  Doug Kwan  <dougkwan@google.com>
 950
 951         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
 952         due to -Wshadow.
 953         * attributes.cc (Object_attribute::size): Ditto.
 954         (Attributes_section_data::size): Ditto.
 955         (Attributes_section_data::Attributes_section_data): Ditto.
 956         (Output_attributes_section_data::do_write): Ditto.
 957         * attributes.h (Object_attribute::set_type): Ditto.
 958         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
 959
 960 2009-12-11  Nick Clifton  <nickc@redhat.com>
 961
 962         * archive.cc: Fix shadowed variable warnings.
 963         * arm.cc: Likewise.
 964         * compressed_output.cc: Likewise.
 965         * compressed_output.h: Likewise.
 966         * configure: Likewise.
 967         * dwarf_reader.cc: Likewise.
 968         * dynobj.cc: Likewise.
 969         * dynobj.h: Likewise.
 970         * ehframe.cc: Likewise.
 971         * ehframe.h: Likewise.
 972         * errors.cc: Likewise.
 973         * expression.cc: Likewise.
 974         * fileread.cc: Likewise.
 975         * fileread.h: Likewise.
 976         * freebsd.h: Likewise.
 977         * i386.cc: Likewise.
 978         * icf.cc: Likewise.
 979         * incremental.h: Likewise.
 980         * layout.cc: Likewise.
 981         * layout.h: Likewise.
 982         * mapfile.cc: Likewise.
 983         * merge.cc: Likewise.
 984         * merge.h: Likewise.
 985         * object.cc: Likewise.
 986         * object.h: Likewise.
 987         * options.h: Likewise.
 988         * output.cc: Likewise.
 989         * output.h: Likewise.
 990         * parameters.cc: Likewise.
 991         * plugin.cc: Likewise.
 992         * powerpc.cc: Likewise.
 993         * reduced_debug_output.cc: Likewise.
 994         * reduced_debug_output.h: Likewise.
 995         * reloc.cc: Likewise.
 996         * reloc.h: Likewise.
 997         * resolve.cc: Likewise.
 998         * script-sections.cc: Likewise.
 999         * script.cc: Likewise.
1000         * script.h: Likewise.
1001         * sparc.cc: Likewise.
1002         * symtab.cc: Likewise.
1003         * symtab.h: Likewise.
1004         * target-select.cc: Likewise.
1005         * target-select.h: Likewise.
1006         * token.h: Likewise.
1007         * workqueue.cc: Likewise.
1008         * workqueue.h: Likewise.
1009         * x86_64.cc: Likewise.
1010
1011 2009-12-10  Doug Kwan  <dougkwan@google.com>
1012
1013         * arm.cc (attributes.h): New include.
1014         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
1015         (Arm_relobj::~Arm_relobj): Delete object pointed by
1016         attributes_section_data_.
1017         (Arm_relobj::attributes_section_data): New method definition.
1018         (Arm_relobj::attributes_section_data_): New data member declaration.
1019         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
1020         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
1021         attributes_section_data_.
1022         (Arm_dynobj::attributes_section_data): New method definition.
1023         (Arm_dynobj::attributes_section_data_): New data member declaration.
1024         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
1025         initialization value of may_use_blx_ to false.
1026         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
1027         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
1028         object attributes to compute results instead of hard-coding.
1029         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
1030         Target_arm::get_secondary_compatible_arch,
1031         Target_arm::set_secondary_compatible_arch
1032         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1033         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
1034         New method declarations.
1035         (Target_arm::get_aeabi_object_attribute): New method definition.
1036         (Target_arm::attributes_section_data_): New data member declaration.
1037         (read_arm_attributes_section): New template definition.
1038         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
1039         (Arm_dynobj::do_read_symbols): Ditto.
1040         (Target_arm::do_finalize_sections): Merge attributes sections from
1041         input.  Check for BLX use after attributes section merging.
1042         Fix __exidx_start and __exidx_end visibility.  Create an
1043         .ARM.attributes section if necessary.
1044         (Target_arm::get_secondary_compatible_arch,
1045         Target_arm::set_secondary_compatible_arch,
1046         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1047         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
1048         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
1049         New method definitions.
1050
1051 2009-12-09  Ian Lance Taylor  <iant@google.com>
1052
1053         * plugin.cc (Plugin::load): Don't cast from void* to a function
1054         pointer.
1055
1056 2009-12-09  Ian Lance Taylor  <iant@google.com>
1057
1058         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
1059         information fields.
1060
1061 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
1062
1063         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
1064         Replace two_file_shared_1.so with two_file_shared_2.so.
1065         * testsuite/Makefile.in: Regenerated.
1066
1067 2009-12-08  Doug Kwan  <dougkwan@google.com>
1068
1069         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
1070         (HFILES): Add attributes.h and int_encoding.h.
1071         * Makefile.in: Regenerate.
1072         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
1073         function definitions to int_encoding.cc
1074         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
1075         prototypes to int_encoding.h
1076         * reduced_debug_output.cc (int_encoding.h): New include.
1077         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
1078         function definitions to int_encoding.cc
1079         (insert_into_vector, read_from_pointer): Move template definitions to
1080         int_encoding.h
1081         * attributes.cc: New file.
1082         * attributes.h: New file.
1083         * int_encoding.cc: New file.
1084         * int_encoding.h: New file.
1085
1086 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
1087
1088         PR gold/11055
1089         * incremental-dump.cc (dump_incremental_inputs): New.
1090         (main): Use dump_incremental_inputs.
1091
1092 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
1093
1094         PR gold/10893
1095         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
1096         checking elfcpp::STT_FUNC.
1097         (Target_i386::Relocate::relocate): Likewise.
1098         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1099
1100         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
1101         symbols from shared libraries into normal FUNC symbols.
1102
1103         * symtab.h (Symbol): Add is_func and use it.
1104
1105 2009-12-05  Doug Kwan  <dougkwan@google.com>
1106
1107         * arm.cc (Target_arm::arm_info): Initialize new fields
1108         attributes_section and attributes_vendor.
1109         * i386.cc (Target_i386::i386_info): Same.
1110         * object.cc (Sized_relobj::do_layout): Skip attribute section.
1111         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
1112         fields attributes_section and attributes_vendor.
1113         * sparc.cc (Target_sparc::sparc_info): Same.
1114         * target.h (Target::attributes_section, Target::attributes_vendor,
1115         Target::is_attributes_section, Target::attribute_arg_type,
1116         Target::attributes_order): New method definitions.
1117         (Target::Target_info::attributes_section,
1118         Target::Target_info::attributes_vendor): New fields.
1119         (Target::do_attribute_arg_type, Target::do_attributes_order): New
1120         virtual method definitions.
1121         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
1122         attributes_section and attributes_vendor.
1123         * testsuite/testfile.cc (Target_test::test_target_info): Same.
1124
1125 2009-12-05  Doug Kwan  <dougkwan@google.com>
1126
1127         * arm.cc: Update comments about interworking and stub generation.
1128         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
1129         considered as non-PIC.
1130         (Arm_relocate_functions::base_abs): Fix formatting.
1131         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
1132         of function to use GOT entry address instead of offset.
1133         (Target_arm::Scan::global): Issue an error if a symbol would need a
1134         PLT does not get one because it is untyped.  Remove code to create
1135         dynamic symbols for relative branches.
1136         (Target_arm::Relocate::relocate: Use 0 instead of false since function
1137         takes unsigned integer instead of boolean.
1138
1139 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
1140
1141         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
1142         (two_file_test_LDADD): Likewise.
1143         (common_test_1_LDADD): Likewise.
1144         (exception_test_LDADD) Likewise.
1145         (weak_test_LDADD): Likewise.
1146         (many_sections_test_LDADD): Likewise.
1147         (initpri1_LDADD): Likewise.
1148         (script_test_1_LDADD): Likewise.
1149         (script_test_2_LDADD): Likewise.
1150         (justsyms_LDADD): Likewise.
1151         (binary_test_LDADD): Likewise.
1152         (large_LDADD): Likewise.
1153         * testsuite/Makefile.in: Regenerated.
1154
1155 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
1156
1157         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
1158         (Symbol_table::override_with_special): Likewise.
1159         (Symbol_table::add_from_object): Likewise.
1160
1161 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
1162
1163         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1164         Don't set the data_offset twice.
1165
1166 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
1167
1168         * testsuite/Makefile.in: Regenerate.
1169
1170 2009-12-03  Doug Kwan  <dougkwan@google.com>
1171
1172         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
1173         (Target_arm::do_finalize_sections): Add parameter for symbol table
1174         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
1175         * i386.cc (Target_i386::do_finalize_sections): Add an additional
1176         parameter for symbol table pointer.
1177         * layout.cc (Layout::finalize): Call Target::finalize_sections with
1178         an additional parameter for a pointer to symbol table.
1179         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
1180         parameter for a symbol table pointer.
1181         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
1182         * target.h (Target::finalize_sections, Target::do_finalize_sections):
1183         Ditto.
1184         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
1185         parameter for a symbol table pointer.
1186
1187 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
1188
1189         * incremental.cc (Incremental_inputs_header)
1190         (Incremental_inputs_header_write, Incremental_inputs_entry)
1191         (Incremental_inputs_entry_write): Move ...
1192         * incremental.h (Incremental_inputs_header)
1193         (Incremental_inputs_header_write, Incremental_inputs_entry)
1194         (Incremental_inputs_entry_write): here.
1195
1196 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1197
1198         * incremental.cc (make_sized_incremental_binary): Set the target.
1199         Error if it is incompatible.
1200         * output.h (Output_file): Add filename method.
1201
1202 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1203
1204         * incremental.cc (Incremental_inputs_entry): Remove unused argument
1205         from the get_* methods.
1206
1207 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1208
1209         * incremental-dump.cc (main): Check that the offeset of a script is 0.
1210         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1211         Write 0 for the data_offset of scripts.
1212
1213 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1214
1215         * testsuite/Makefile.am: Add the incremental_test.sh test.
1216         * testsuite/incremental_test.sh: New.
1217         * testsuite/incremental_test_1.c: New.
1218         * testsuite/incremental_test_2.c: New.
1219
1220 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
1221
1222        * incremental-dump.cc (main): Fix typos.
1223
1224 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
1225
1226         PR gold/11025
1227         * incremental-dump.cc (main): Use llu to print 64 bit values.
1228
1229 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
1230             H.J. Lu  <hongjiu.lu@intel.com>
1231
1232         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
1233         $(LIBDL).
1234         (incremental_dump_LDADD): Likewise.
1235         * Makefile.in: Regenerated.
1236
1237 2009-11-25  Doug Kwan  <dougkwan@google.com>
1238
1239         Revert:
1240
1241         2009-11-25  Doug Kwan  <dougkwan@google.com>
1242
1243                 * arm.cc (Target_arm::Target_arm): Move method definition
1244                 outside of class definition.  Add code to handle
1245                 --target1-rel, --target1-abs and --target2= options.
1246                 (Target_arm::get_reloc_reloc_type): Change method to be
1247                 non-static and const.
1248                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
1249                 New data member declaration.
1250                 (Target_arm::Scan::local, Target_arm::Scan::global,
1251                 Target_arm::Relocate::relocate,
1252                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1253                 Adjust call to Target_arm::get_real_reloc_type.
1254                 (Target_arm::get_real_reloc_type): Use command line options
1255                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1256                 * options.h (--target1-rel, --target1-abs, --target2): New
1257                 ARM-only options.
1258
1259 2009-11-25  Doug Kwan  <dougkwan@google.com>
1260
1261         * arm.cc (Target_arm::Target_arm): Move method definition outside of
1262         class definition.  Add code to handle --target1-rel, --target1-abs
1263         and --target2= options.
1264         (Target_arm::get_reloc_reloc_type): Change method to be non-static
1265         and const.
1266         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
1267         member declaration.
1268         (Target_arm::Scan::local, Target_arm::Scan::global,
1269         Target_arm::Relocate::relocate,
1270         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
1271         call to Target_arm::get_real_reloc_type.
1272         (Target_arm::get_real_reloc_type): Use command line options to
1273         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1274         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
1275         options.
1276
1277 2009-11-25  Doug Kwan  <dougkwan@google.com>
1278
1279         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
1280         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
1281         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
1282         formatting.
1283         (Arm_relocate_functions::thm_call): Replace body with a call to
1284         Arm_relocate_functions::thumb_branch_common.
1285         (Arm_relocate_functions::thm_jump24,
1286         Arm_relocate_functions::thm_xpc22): New method definitions.
1287         (Arm_relocate_functions::thumb_branch_common): New method definition.
1288         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
1289         operator.
1290         (Target_arm::Relocate::relocate): Adjust call to thm_call.
1291         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
1292
1293 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1294
1295         * Makefile.am: Build incremental-dump
1296         * Makefile.in: Regenerate.
1297         * incremental-dump.cc: New.
1298         * incremental.cc (Incremental_inputs_header_data,
1299         Incremental_inputs_entry_data): Move to incremental.h
1300         * incremental.h: (Incremental_inputs_header_data,
1301         Incremental_inputs_entry_data): Move from incremental.cc
1302
1303 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1304
1305         * incremental.cc (Incremental_inputs_header,
1306         Incremental_inputs_header_write, Incremental_inputs_entry,
1307         Incremental_inputs_entry_write): Add a typedef with the data type.
1308
1309 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1310
1311         * incremental.cc (Incremental_inputs_header,
1312         Incremental_inputs_header_write, Incremental_inputs_entry,
1313         Incremental_inputs_entry_write): Update comment about which
1314         type has the filed descriptions.
1315
1316 2009-11-15  Doug Kwan  <dougkwan@google.com>
1317
1318         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
1319         (Arm_relocate_functions::arm_branch_common): Change method defintion
1320         in class definition to a method declaration and update list of formal
1321         parameters.
1322         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
1323         Arm_relocation_functions::jump24): Adjust call to
1324         Arm_relocate_functions::arm_branch_common.  Update list of formal
1325         parameters.
1326         (Arm_relocate_functions::xpc25): New method definition.
1327         (Arm_relocate_functions::arm_branch_common): Move method defintion
1328         out from class definition.  Use stubs for mode-switching and extending
1329         branch ranges.
1330         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
1331         specially.  Change code to enable use of stubs in ARM branches.
1332
1333 2009-11-10  Doug Kwan  <dougkwan@google.com>
1334
1335         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
1336         in method declaration.
1337         (Target_arm::relocate_stub): New method declaration.
1338         (Target_arm::default_target): Change to return a pointer instead of
1339         a const reference.
1340         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
1341         Target_arm::default_target.
1342         (Arm_Relobj::do_relocate_sections): Remove options paramater in
1343         method definition.
1344         (Target_arm::relocate_section): Adjust view.
1345         (Target_arm::relocate_stub): New method definition.
1346
1347 2009-11-10  Doug Kwan  <dougkwan@google.com>
1348
1349         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
1350         a format warning.
1351         * incremental.cc (open_incremental_binary): Initialized local
1352         variables to avoid warnings.
1353         * object.cc (make_elf_object): Ditto.
1354         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
1355         a format warning.
1356
1357 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
1358
1359         PR gold/10930
1360         * testsuite/plugin_test.c: Include "config.h".
1361
1362 2009-11-09  Doug Kwan  <dougkwan@google.com>
1363
1364         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
1365         (arm_symbol_value): Remove.
1366         (Arm_relocate_functions::arm_branch_common,
1367         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
1368         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
1369         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
1370         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
1371         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
1372         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
1373         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
1374         Arm_relocate_functions::thm_mobw_abs_nc,
1375         Arm_relocate_functions::thm_mov_abs,
1376         Arm_relocate_functions::movw_prel_nc,
1377         Arm_relocate_functions::thm_movt_abs,
1378         Arm_relocate_functions::movt_prel,
1379         Arm_relocate_functions::thm_movw_prel_nc,
1380         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
1381         (Target_arm::Relocate::relocate): Only decompose address into two
1382         parts if relocation type uses the thumb-bit and pass the actual
1383         bit instead of a flag indicating that the thumb-bit is used.  Adjust
1384         calls to methods in Arm_relocate_functions for this change.
1385
1386 2009-11-08  Ian Lance Taylor  <iant@google.com>
1387
1388         PR 10925
1389         * reloc.cc: Instantiate
1390         Sized_relobj::initialize_input_to_output_maps and
1391         Sized_relobj:free_input_to_output_maps.
1392
1393 2009-11-06  Ian Lance Taylor  <iant@google.com>
1394
1395         PR 10876
1396         * defstd.cc (in_segment): Set only_if_ref true for "end".
1397
1398 2009-11-06  Doug Kwan  <dougkwan@google.com>
1399
1400         * arm.cc (class Reloc_stub): Correct a comment.
1401         (Target_arm::Target_arm): Initialize arm_input_section_map_.
1402         (Target_arm::scan_section_for_stubs): New method declaration.
1403         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
1404         Change methods from private to protected.
1405         (Target_arm::do_may_relax): New method definition.
1406         (Target_arm::do_relax, Target_arm::group_sections,
1407         Target_arm::scan_reloc_for_stub,
1408         Target_arm::scan_reloc_section_for_stubs): New method declarations.
1409         (Target_arm::arm_input_section_map_): New data member declaration.
1410         (Target_arm::scan_reloc_for_stub,
1411         Target_arm::scan_reloc_section_for_stubs,
1412         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
1413         Target_arm::do_relax): New method definitions.
1414
1415 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
1416
1417         * configure.ac: Check for (struct stat)::st_mtim
1418         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
1419         * config.in: Regenerate.
1420         * configure: Regenerate.
1421
1422 2009-11-05  Ian Lance Taylor  <iant@google.com>
1423
1424         PR 10910
1425         * output.cc (Output_segment::add_output_section): Add missing
1426         return statement.
1427
1428 2009-11-04  Ian Lance Taylor  <iant@google.com>
1429
1430         PR 10880
1431         * object.h (class Object): Add is_needed and set_is_needed
1432         methods.  Add is_needed_ field.  Make bool fields into bitfields.
1433         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
1434         defined in a dynamic object and referenced by a regular object,
1435         set is_needed for the dynamic object.
1436         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
1437         if the file is marked with as_needed and it is not needed.
1438
1439 2009-11-04  Ian Lance Taylor  <iant@google.com>
1440
1441         PR 10887
1442         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
1443         tags if data is discarded by linker script.
1444         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1445         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1446         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1447         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1448
1449 2009-11-04  Ian Lance Taylor  <iant@google.com>
1450
1451         * layout.cc (Layout::get_output_section): Add is_interp and
1452         is_dynamic_linker_section parameters.  Change all callers.
1453         (Layout::choose_output_section): Likewise.
1454         (Layout::make_output_section): Likewise.
1455         (Layout::add_output_section_data): Add is_dynamic_linker_section
1456         parameter.  Change all callers.
1457         * layout.h (class Layout): Update declarations.
1458         * output.h (class Output_section): Add is_interp, set_is_interp,
1459         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
1460         Add is_interp_, is_dynamic_linker_section_ fields.  Change
1461         generate_code_fills_at_write_ to a bitfield.
1462         * output.cc (Output_section::Output_sections): Initialize new
1463         fields.
1464         (Output_segment::add_output_section): Add do_sort parameter.
1465         Change all callers.
1466
1467 2009-11-03  Ian Lance Taylor  <iant@google.com>
1468
1469         PR 10860
1470         * options.h (class General_options): Add --warn-common.
1471         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
1472         merging two common symbols.
1473         (Symbol_table::should_override): Handle --warn-common when merging
1474         a common symbol with a defined symbol.  Use report_resolve_problem
1475         for multiple definitions.
1476         (Symbol_table::report_resolve_problem): New function.
1477         * symtab.h (class Symbol_table): Declare report_resolve_problem.
1478
1479 2009-11-03  Doug Kwan  <dougkwan@google.com>
1480
1481         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
1482         stub_factory_.
1483         (Target_arm::stub_factory): New method definition.
1484         (Target_arm::new_arm_input_section,
1485         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
1486         Target_arm::reloc_uses_thumb_bit): New method declarations.
1487         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
1488         New type definitions.
1489         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
1490         member declarations.
1491         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
1492         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
1493         New method definitions.
1494
1495 2009-11-03  Ian Lance Taylor  <iant@google.com>
1496
1497         * options.h (class General_options): Add --warn_constructors.
1498
1499 2009-11-03  Ian Lance Taylor  <iant@google.com>
1500
1501         PR 10893
1502         * defstd.cc (in_section): Add entries for __rel_iplt_start,
1503         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
1504
1505 2009-11-03  Ian Lance Taylor  <iant@google.com>
1506
1507         PR 10895
1508         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
1509         --msgid-bugs-address.
1510         (install-pdf): New target.
1511         (install-data_yes): Look up one directory to find mkinstalldirs.
1512
1513 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
1514
1515         * po/Make-in (.po.gmo): Don't generate .gmo files in source
1516         tree.
1517
1518 2009-10-30  Doug Kwan  <dougkwan@google.com>
1519
1520         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
1521
1522 2009-10-30  Doug Kwan  <dougkwan@google.com>
1523
1524         * arm.cc (Stub_addend_reader): New struct template definition
1525         and partial specializations.
1526         (Stub_addend_reader::operator()): New method definition for a
1527         partially specialized template.
1528
1529 2009-10-30  Doug Kwan  <dougkwan@google.com>
1530
1531         * arm.cc (Arm_relobj::processor_specific_flags): New method
1532         definition.
1533         (Arm_relobj::do_read_symbols): New method declaration.
1534         (Arm_relobj::processor_specific_flags_): New data member declaration.
1535         (Arm_dynobj): New class definition.
1536         (Target_arm::do_finalize_sections): Add input_objects parameter.
1537         (Target_arm::do_adjust_elf_header): New method declaration.
1538         (Target_arm::are_eabi_versions_compatible,
1539         (Target_arm::merge_processor_specific_flags): New method declaration.
1540         (Target_arm::do_make_elf_object): New overloaded method definitions
1541         and declaration.
1542         (Arm_relobj::do_read_symbols): New method definition.
1543         (Arm_dynobj::do_read_symbols): Ditto.
1544         (Target_arm::do_finalize_sections): Add input_objects parameters.
1545         Merge processor-specific flags from all input objects.
1546         (Target_arm::are_eabi_versions_compatible,
1547         Target_arm::merge_processor_specific_flags,
1548         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
1549         New method definitions.
1550         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
1551         Input_objects pointer type parameter.
1552         * layout.cc (Layout::finalize): Pass input objects to target's.
1553         finalize_sections function.
1554         * output.cc (Output_file_header::do_sized_write): Set ELF file
1555         header's processor-specific flags.
1556         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
1557         Input_objects pointer type parameter.
1558         * sparc.cc (Target_sparc::do_finalize_sections): Same.
1559         * target.h (Input_objects): New forward class declaration.
1560         (Target::processor_specific_flags,
1561         Target::are_processor_specific_flags_sect): New method definitions.
1562         (Target::finalize_sections): Add input_objects parameter.
1563         (Target::Target): Initialize processor_specific_flags_ and
1564         are_processor_specific_flags_set_.
1565         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
1566         parameter.
1567         (Target::set_processor_specific_flags): New method definition.
1568         (Target::processor_specific_flags_,
1569         Target::are_processor_specific_flags_set_): New data member
1570         declarations.
1571         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
1572         Input_objects pointer type parameter.
1573
1574 2009-10-30  Doug Kwan  <dougkwan@google.com>
1575
1576         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
1577
1578 2009-10-28  Ian Lance Taylor  <iant@google.com>
1579
1580         * object.h (class Relobj): Drop options parameter from
1581         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
1582         do_scan_relocs, do_relocate.  Change all callers.
1583         (class Sized_relobj): Drop options parameters from
1584         do_gc_process_relocs, do_scan_relocs, do_relocate,
1585         do_relocate_sections, relocate_sections, emit_relocs_scan,
1586         emit_relocs_scan_reltype.  Change all callers.
1587         (struct Relocate_info): Remove options field and all references to
1588         it.
1589         * reloc.h (class Read_relocs): Remove options constructor
1590         parameter and options_ field.  Change all callers.
1591         (class Gc_process_relocs, class Scan_relocs): Likewise.
1592         (class Relocate_task): Likewise.
1593         * target-reloc.h (scan_relocs): Remove options parameter.  Change
1594         all callers.
1595         (scan_relocatable_relocs): Likewise.
1596         * target.h (class Sized_target): Remove options parameter from
1597         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
1598         all callers.
1599         * gc.h (gc_process_relocs): Remove options parameter.  Change all
1600         callers.
1601         * arm.cc: Update functions to remove options parameters.
1602         * i386.cc: Likewise.
1603         * powerpc.cc: Likewise.
1604         * sparc.cc: Likewise.
1605         * x86_64.cc: Likewise.
1606         * testsuite/testfile.cc: Likewise.
1607
1608 2009-10-28  Doug Kwan  <dougkwan@google.com>
1609
1610         * arm.cc (Arm_relobj): New class definition.
1611         (Arm_relobj::scan_sections_for_stubs,
1612         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
1613         New method definitions.
1614
1615 2009-10-28  Cary Coutant  <ccoutant@google.com>
1616
1617         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
1618         (Plugin::cleanup_done_): New member.
1619         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
1620         (Plugin_manager::cleanup_done_): Remove.
1621         (Plugin_manager::add_input_file): Edit error message.
1622         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
1623         (Plugin_manager::cleanup): Remove use of cleanup_done_.
1624
1625 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
1626
1627         * fileread.cc: (File_read::View::~View): Use the new
1628         data_ownership_ filed.
1629         (File_read::~File_read): Dispose the new whole_file_view_.
1630         (File_read::open): Mmap the whole file if needed.
1631         (File_read::open): Use whole_file_view_ instead of contents_.
1632         (File_read::find_view): Use whole_file_view_ if applicable.
1633         (File_read::do_read): Use whole_file_view_ instead of contents_.
1634         (File_read::make_view): Use whole_file_view_ instead of contents_,
1635         update File_read::View::View call.
1636         (File_read::find_or_make_view): Update File_read::View::View
1637         call.
1638         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
1639         remove contents_
1640         (File_read::View::Data_ownership): New enum.
1641         (File_read::View::View): Replace bool mapped_ with Data_ownership
1642         argument.
1643         (File_read::View::mapped_): Remove (replaced by data_ownership_).
1644         (File_read::View::data_ownership_): New field.
1645         (File_read::contents_): Remove (replaced by whole_file_view_).
1646         (File_read::whole_file_view_): New field.
1647         * options.h (class General_options): Add --keep-files-mapped.
1648
1649 2009-10-27  Cary Coutant  <ccoutant@google.com>
1650
1651         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
1652         * testsuite/Makefile.am (plugin_test_5): New test case.
1653         * testsuite/Makefile.in: Regenerate.
1654
1655 2009-10-25  Doug Kwan  <dougkwan@google.com>
1656
1657         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
1658         from private to protected to allow access by child class.
1659         (Sized_relobj::do_relocate_sections): New method declaration.
1660         (Sized_relobj::relocate_sections): Virtualize.
1661         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
1662         Sized_relobj::relocate_sections.  Instantiate template explicitly
1663         for different target sizes and endianity.
1664
1665 2009-10-24  Doug Kwan  <dougkwan@google.com>
1666
1667         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
1668         (Arm_input_section::as_arm_input_section): New method.
1669         (Arm_output_section): New class definition.
1670         (Arm_output_section::create_stub_group,
1671         Arm_output_section::group_sections): New method definitions.
1672
1673 2009-10-22  Doug Kwan  <dougkwan@google.com>
1674
1675         * arm.cc (Arm_input_section): New class definition.
1676         (Arm_input_section::init, Arm_input_section:do_write,
1677         Arm_input_section::set_final_data_size,
1678         Arm_input_section::do_reset_address_and_file_offset): New method
1679         definitions.
1680
1681 2009-10-21  Doug Kwan  <dougkwan@google.com>
1682
1683         * arm.cc (Stub_table, Arm_input_section): New forward class
1684         declarations.
1685         (Stub_table): New class defintion.
1686         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
1687         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
1688         New method definition.
1689
1690 2009-10-21  Doug Kwan  <dougkwan@google.com>
1691
1692         * arm.cc: Update copyright comments.
1693         (Target_arm): New forward class template declaration.
1694         (Arm_address): New type.
1695         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
1696         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
1697         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
1698         constants.
1699         (Insn_template): Same.
1700         (DEF_STUBS): New macro.
1701         (Stub_type): New enum type.
1702         (Stub_template): New class definition.
1703         (Stub): Same.
1704         (Reloc_stub): Same.
1705         (Stub_factory): Same.
1706         (Target_arm::Target_arm): Initialize may_use_blx_ and
1707         should_force_pic_veneer_.
1708         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
1709         Target_arm::should_force_pic_veneer,
1710         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
1711         Target_arm::using_thumb_only, Target_arm:;default_target): New
1712         method defintions.
1713         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
1714         New data member declarations.
1715         (Insn_template::size, Insn_template::alignment): New method defintions.
1716         (Stub_template::Stub_template): New method definition.
1717         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
1718         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
1719         (Stub_factory::Stub_factory): New method definition.
1720         * gold.h (string_hash): New template.
1721         * output.h (Input_section_specifier::hash_value): Use
1722         gold::string_hash.
1723         (Input_section_specifier::string_hash): Remove.
1724         * stringpool.cc (Stringpool_template::string_hash): Use
1725         gold::string_hash.
1726
1727 2009-10-20  Doug Kwan  <dougkwan@google.com>
1728
1729         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
1730         symbols of relaxed input sections.
1731         * output.h (Output_section::find_relaxed_input_section): Make
1732         method public.
1733
1734 2009-10-16  Doug Kwan  <dougkwan@google.com>
1735
1736         * dynobj.cc (Versions::Versions): Initialize version_script_.
1737         Only insert base version symbol definition for a shared object
1738         if version script defines any version versions.
1739         (Versions::define_base_version): New method definition.
1740         (Versions::add_def): Check that base version is not needed.
1741         (Versions::add_need): Define base version lazily.
1742         * dynobj.h (Versions::define_base_version): New method declaration.
1743         (Versions::needs_base_version_): New data member declaration.
1744         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
1745         (check_DATA): Add no_version_test.stdout.
1746         (libno_version_test.so, no_version_test.o no_version_test.stdout):
1747         New make rules.
1748         * testsuite/Makefile.in: Regenerate.
1749         * testsuite/no_version_test.c: New file.
1750         * testsuite/no_version_test.sh: Ditto.
1751
1752 2009-10-16  Doug Kwan  <dougkwan@google.com>
1753
1754         * expression.cc (class Segment_start_expression): New class definition.
1755         (Segment_start_expression::value): New method definition.
1756         (script_exp_function_segment_start): Return a new
1757         Segment_start_expression.
1758         * gold/script-c.h (script_saw_segment_start_expression): New function
1759         prototype.
1760         * script-sections.cc (Script_sections::Script_sections): Initialize
1761         SAW_SEGMENT_START_EXPRESSION_ to false.
1762         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
1763         and -Tbbs options to specify section addresses if given in
1764         command line and no SEGMENT_START expression is seen in a script.
1765         * script-sections.h (Script_sections::saw_segment_start_expression,
1766         Script_sections::set_saw_segment_start_expression): New method
1767         definition.
1768         (Script_sections::saw_segment_start_expression_): New data member
1769         declaration.
1770         * script.cc (script_saw_segment_start_expression): New function.
1771         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
1772         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
1773         script_test_7.sh and script_test_8.sh.
1774         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
1775         script_test_8.stdout.
1776         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
1777         (script_test_6, script_test_6.stdout, script_test_7,
1778         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
1779         * Makefile.in: Regenerate.
1780         * testsuite/script_test_6.sh: New file.
1781         * testsuite/script_test_6.t: Same.
1782         * testsuite/script_test_7.sh: Same.
1783         * testsuite/script_test_7.t: Same.
1784         * testsuite/script_test_8.sh: Same.
1785
1786 2009-10-16  Doug Kwan  <dougkwan@google.com>
1787
1788         * output.cc (Output_segment::set_section_list_address): Cast
1789         expressions to unsigned long long type to avoid format warnings.
1790
1791 2009-10-15  Ian Lance Taylor  <iant@google.com>
1792
1793         * script.cc (Script_options::add_symbol_assignment): Always add a
1794         dot assignment to script_sections_.
1795         * script-sections.cc (Script_sections::add_dot_assignment):
1796         Initialize if necessary.
1797
1798         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
1799         program headers with no load segment if there is a linker script.
1800
1801         * layout.cc (Layout::set_segment_offsets): Align the file offset
1802         to the segment aligment for -N or -n with no load segment.
1803         * output.cc (Output_segment::add_output_section): Don't crash if
1804         the first section is a TLS section.
1805         (Output_segment::set_section_list_addresses): Print an error
1806         message if the address moves backward in a linker script.
1807         * script-sections.cc
1808         (Output_section_element_input::set_section_addresses): Don't
1809         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
1810         (Orphan_output_section::set_section_addresses): Likewise.
1811
1812 2009-10-15  Doug Kwan  <dougkwan@google.com>
1813
1814         * layout.cc (Layout::finish_dynamic_section): Generate tags
1815         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
1816         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
1817         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
1818
1819 2009-10-14  Ian Lance Taylor  <iant@google.com>
1820
1821         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
1822         fields.
1823         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
1824         data_shdr fields of relinfo.
1825         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
1826         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
1827         R_386_TLS_LDO_32, adjust based on section flags.
1828         (Target_i386::Relocate::fix_up_ldo): Remove.
1829
1830 2009-10-13  Ian Lance Taylor  <iant@google.com>
1831
1832         Add support for -pie.
1833         * options.h (class General_options): Add -pie and
1834         --pic-executable.
1835         (General_options::output_is_position_independent): Test -pie.
1836         (General_options::output_is_executable): Return true if not shared
1837         and not relocatable.
1838         (General_options::output_is_pie): Remove.
1839         * options.cc (General_options::finalize): Reject incompatible uses
1840         of -pie.
1841         * gold.cc (queue_middle_tasks): A -pie link is not static.
1842         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
1843         * symtab.cc (Symbol::final_value_is_known): Return false if
1844         output_is_position_independent.
1845         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
1846         output_is_position_independent.
1847         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
1848         output_is_position_independent.
1849         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
1850         output_is_position_independent.
1851         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
1852         two_file_pie_test.
1853         (basic_pie_test.o, basic_pie_test): New targets.
1854         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
1855         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
1856         (two_file_pie_test): New target.
1857         * testsuite/Makefile.in: Rebuild.
1858         * README: Remove note saying that -pie is not supported.
1859
1860 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1861
1862         * options.h (class General_options): Add -init and -fini.
1863         * layout.cc (Layout::finish_dynamic_section): Emit
1864         given init and fini functions.
1865
1866 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
1867
1868         * gc.h (gc_process_relocs): Check if icf is enabled using new
1869         function.
1870         * gold.cc (queue_initial_tasks): Likewise.
1871         (queue_middle_tasks): Likewise.
1872         * object.cc (do_layout): Likewise.
1873         * symtab.cc (is_section_folded): Likewise.
1874         * main.cc (main): Likewise.
1875         * reloc.cc (Read_relocs::run): Likewise.
1876         (Sized_relobj::do_scan_relocs): Likewise.
1877         * icf.cc (is_function_ctor_or_dtor): New function.
1878         (Icf::find_identical_sections): Check if function is ctor or dtor when
1879         safe icf is chosen.
1880         * options.h (General_options::icf): Change option to be an enum.
1881         (Icf_status): New enum.
1882         (icf_enabled): New method.
1883         (icf_safe_folding): New method.
1884         (set_icf_status): New method.
1885         (icf_status_): New variable.
1886         * (options.cc) (General_options::finalize): Set icf_status_.
1887         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
1888         icf_test and icf_keep_unique_test to use the --icf enum flag.
1889         * testsuite/icf_safe_test.sh: New file.
1890         * testsuite/icf_safe_test.cc: New file.
1891
1892 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
1893
1894         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
1895         includes to gc.h and icf.h.
1896         * arm.cc: Include gc.h.
1897         * gold.cc: Likewise.
1898         * i386.cc: Likewise.
1899         * powerpc.cc: Likewise.
1900         * sparc.cc: Likewise.
1901         * x86_64.cc: Likewise.
1902         * gc.h: Include icf.h.
1903
1904 2009-10-11  Ian Lance Taylor  <iant@google.com>
1905
1906         * plugin.cc: Include "gold.h" before other header files.
1907
1908 2009-10-10  Chris Demetriou  <cgd@google.com>
1909
1910         * options.h (Input_file_argument::Input_file_type): New enum.
1911         (Input_file_argument::is_lib_): Replace with...
1912         (Input_file_argument::type_): New member.
1913         (Input_file_argument::Input_file_argument): Take Input_file_type
1914         'type' rather than boolean 'is_lib' as second argument.
1915         (Input_file_argument::is_lib): Use type_.
1916         (Input_file_argument::is_searched_file): New function.
1917         (Input_file_argument::may_need_search): Handle is_searched_file.
1918         * options.cc (General_options::parse_library): Support -l:filename.
1919         (General_options::parse_just_symbols): Update for Input_file_argument
1920         changes.
1921         (Command_line::process): Likewise.
1922         * archive.cc (Archive::get_file_and_offset): Likewise.
1923         * plugin.cc (Plugin_manager::release_input_file): Likewise.
1924         * script.cc (read_script_file, script_add_file): Likewise.
1925         * fileread.cc (Input_file::Input_file): Likewise.
1926         (Input_file::will_search_for): Handle is_searched_file.
1927         (Input_file::open): Likewise.
1928         * readsyms.cc (Read_symbols::get_name): Likewise.
1929         * testsuite/Makefile.am (searched_file_test): New test.
1930         * testsuite/Makefile.in: Regenerate.
1931         * testsuite/searched_file_test.cc: New file.
1932         * testsuite/searched_file_test_lib.cc: New file.
1933
1934 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1935             Ian Lance Taylor  <iant@google.com>
1936
1937         * descriptor.cc: Include <cstdio> and "binary-io.h".
1938         (Descriptors::open): Open the files in binary mode always.
1939         * script.cc (Lex::get_token): Treat \r as whitespace.
1940
1941 2009-10-09  Ian Lance Taylor  <iant@google.com>
1942
1943         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1944
1945 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1946             Ian Lance Taylor  <iant@google.com>
1947
1948         * configure.ac: Check for readv function also.
1949         * fileread.cc (readv): Define if not HAVE_READV.
1950         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1951         does not exist.
1952         * config.in: Regenerate.
1953         * configure: Regenerate.
1954
1955 2009-10-09  Doug Kwan  <dougkwan@google.com>
1956
1957         * layout.cc (Layout::make_output_section): Call target hook to make
1958         ordinary output section.
1959         (Layout::finalize): Adjust parameter list of call the
1960         Target::may_relax().
1961         * layout.h (class Layout::section_list): New method.
1962         * merge.h (Output_merge_base::entsize): Change visibility to public.
1963         (Output_merge_base::is_string, Output_merge_base::do_is_string):
1964         New methods.
1965         (Output_merge_string::do_is_string): New method.
1966         * object.cc (Sized_relobj::do_setup): renamed from
1967         Sized_relobj::set_up.
1968         * object.h (Sized_relobj::adjust_shndx,
1969         Sized_relobj::initializ_input_to_output_maps,
1970         Sized_relobj::free_input_to_output_maps): Change visibilities to
1971         protected.
1972         (Sized_relobj::setup): Virtualize.
1973         (Sized_relobj::do_setup): New method declaration.
1974         (Sized_relobj::invalidate_section_offset,
1975         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1976         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1977         * options.cc (parse_int): New function.
1978         * options.h (parse_int): New declaration.
1979         (DEFINE_int): New macro.
1980         (stub_group_size): New option.
1981         * output.cc (Output_section::Output_section): Initialize memebers
1982         merge_section_map_, merge_section_by_properties_map_,
1983         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1984         (Output_section::add_input_section): Handled deferred code-fill
1985         generation and remove an old comment.
1986         (Output_section::add_relaxed_input_section): New method definition.
1987         (Output_section::add_merge_input_section): Use merge section by
1988         properties map to speed to search.  Update merge section maps
1989         as appropriate.
1990         (Output_section::build_relaxation_map): New method definition.
1991         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1992         Same.
1993         (Output_section::relax_input_section): Renamed to
1994         Output_section::convert_input_sections_to_relaxed_sections and change
1995         interface to take a vector of pointers to relaxed sections.
1996         (Output_section::find_merge_section,
1997         Output_section::find_relaxed_input_section): New method definitions.
1998         (Output_section::is_input_address_mapped,
1999         Output_section::output_offset, Output_section::output_address):
2000         Use output section data maps to speed up searching.
2001         (Output_section::find_starting_output_address): Add comments.
2002         (Output_section::do_write,
2003         Output_section::write_to_postprocessing_buffer): Do code-fill
2004         generation as appropriate.
2005         (Output_section::get_input_sections): Invalidate relaxed input section
2006         map.
2007         (Output_section::restore_states): Adjust type of checkpoint .
2008         Invalidate relaxed input section map.
2009         * output.h (Output_merge_base): New class declaration.
2010         (Input_section_specifier): New class defintion.
2011         (class Output_relaxed_input_section) Change base class to
2012         Output_section_data_build.
2013         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
2014         base class initializer.
2015         (Output_section::add_relaxed_input_section): New method declaration.
2016         (Output_section::Input_section): Change visibility to protected.
2017         (Output_section::Input_section::relobj,
2018         Output_section::Input_section::shndx): Handle relaxed input sections.
2019         Output_section::input_sections) Change visibility to protected.  Also
2020         define overload to return a non-const pointer.
2021         (Output_section::Merge_section_properties): New class defintion.
2022         (Output_section::Merge_section_by_properties_map,
2023         Output_section::Output_section_data_by_input_section_map,
2024         Output_section::Relaxation_map): New types.
2025         (Output_section::relax_input_section): Rename method to
2026         Output_section::convert_input_sections_to_relaxed_sections and change
2027         interface to take a vector of relaxed section pointers.
2028         (Output_section::find_merge_section,
2029         Output_section::find_relaxed_input_section,
2030         Output_section::build_relaxation_map,
2031         Output_section::convert_input_sections_in_list_to_relaxed_sections):
2032         New method declarations.
2033         (Output_section::merge_section_map_
2034         Output_section::merge_section_by_properties_map_,
2035         Output_section::relaxed_input_section_map_,
2036         Output_section::is_relaxed_input_section_map_valid_,
2037         Output_section::generate_code_fills_at_write_): New data members.
2038         * script-sections.cc
2039         (Output_section_element_input::set_section_addresses): Call
2040         current_data_size and addralign methods of relaxed input sections.
2041         (Orphan_output_section::set_section_addresses): Call current_data_size
2042         and addralign methods of relaxed input sections.
2043         * symtab.cc (Symbol_table::compute_final_value): Extract template
2044         from the body of Symbol_table::sized_finalize_symbol.
2045         (Symbol_table::sized_finalized_symbol): Call
2046         Symbol_table::compute_final_value.
2047         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
2048         (Symbol_table::compute_final_value): New templated method declaration.
2049         * target.cc (Target::do_make_output_section): New method defintion.
2050         * target.h (Target::make_output_section): New method declaration.
2051         (Target::relax): Add more parameters for input objects, symbol table
2052         and layout.  Adjust call to do_relax.
2053         (Target::do_make_output_section): New method declaration.
2054         (Target::do_relax): Add parameters for input objects, symbol table
2055         and layout.
2056
2057 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2058
2059         * pread.c: Include stdio.h.
2060
2061 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2062
2063         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
2064         defined.
2065
2066 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2067
2068         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2069         Change read_shndx type to unsigned int.
2070         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2071         int.
2072         (Sized_dwarf_line_info::read_line_mappings): Likewise.
2073         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
2074         Change read_shndx type to unsigned int.
2075         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2076         int.
2077         (Sized_dwarf_line_info::read_line_mappings): Likewise.
2078         * layout.cc (Layout::create_symtab_sections): Cast the result of
2079         local_symcount * symsize to off_t in the gold_assert.
2080
2081 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2082
2083         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
2084         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
2085         R_ARM_BASE_ABS.
2086         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
2087         (Arm_relocate_functions::thm_abs5): New function.
2088         (Arm_relocate_functions::abs12): New function.
2089         (Arm_relocate_functions::abs16): New function.
2090         (Arm_relocate_functions::base_abs): New function.
2091         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
2092         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
2093         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
2094         R_ARM_BASE_ABS.
2095         (Scan::global): Likewise.
2096         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
2097         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
2098         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
2099         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
2100         R_ARM_BASE_ABS.
2101
2102 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2103
2104         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
2105         (Arm_relocate_functions::movt_prel): New function.
2106         (Arm_relocate_functions::thm_movw_prel_nc): New function.
2107         (Arm_relocate_functions::thm_movt_prel): New function.
2108         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
2109         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
2110         (Scan::global, Relocate::relocate): Likewise.
2111         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2112
2113 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
2114
2115         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
2116         Incremental_checker.
2117         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
2118         unsigned int.
2119         (class Incremental_inputs_header): New class.
2120         (Incremental_inputs_header_writer): Edit comment.
2121         (Incremental_inputs_entry): New class.
2122         (Incremental_inputs_entry_writer): Edit comment.
2123         (Sized_incremental_binary::do_find_incremental_inputs_section):
2124         Add *strtab_shndx parameter, fill it.
2125         (Sized_incremental_binary::do_check_inputs): New method.
2126         (Incremental_checker::can_incrementally_link_output_file): Use
2127         Sized_incremental_binary::check_inputs.
2128         (Incremental_inputs::report_command_line): Save command line in
2129         command_line_.
2130         * incremental.h:
2131         (Incremental_binary::find_incremental_inputs_section): New
2132         method.
2133         (Incremental_binary::do_find_incremental_inputs_section): Add
2134         strtab_shndx parameter.
2135         (Incremental_binary::do_check_inputs): New pure virtual method.
2136         (Sized_incremental_binary::do_check_inputs): Declare.
2137         (Incremental_checker::Incremental_checker): Add incremental_inputs
2138         parameter, use it to initialize incremental_inputs_.
2139         (Incremental_checker::incremental_inputs_): New field.
2140         (Incremental_checker::command_line): New method.
2141         (Incremental_checker::inputs): New method.
2142         (Incremental_checker::command_line_): New field.
2143
2144 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
2145
2146         * incremental.cc: Include <cstdarg> and "target-select.h".
2147         (vexplain_no_incremental): New function.
2148         (explain_no_incremental): New function.
2149         (Incremental_binary::error): New method.
2150         (Sized_incremental_binary::do_find_incremental_inputs_section): New
2151         method.
2152         (make_sized_incremental_binary): New function.
2153         (open_incremental_binary): New function.
2154         (can_incrementally_link_file): Add checks if output is ELF and has
2155         inputs section.
2156         * incremental.h: Include "elfcpp_file.h" and "output.h".
2157         (Incremental_binary): New class.
2158         (Sized_incremental_binary): New class.
2159         (open_incremental_binary): Declare.
2160         * object.cc (is_elf_object): Use
2161         elfcpp::Elf_recognizer::is_elf_file.
2162         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
2163         * output.h (Output_file::filesize): New method.
2164
2165 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2166
2167         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
2168         New function.
2169         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
2170         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
2171         function.
2172         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
2173         function.
2174         (Arm_relocate_functions::movw_abs_nc): New function.
2175         (Arm_relocate_functions::movt_abs): New function.
2176         (Arm_relocate_functions::thm_movw_abs_nc): New function.
2177         (Arm_relocate_functions::thm_movt_abs): New function.
2178         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
2179         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
2180         (Scan::global): Likewise.
2181         (Relocate::relocate): Likewise.
2182         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2183
2184 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2185
2186         * arm.cc (Arm_relocate_functions::got_prel) New function.
2187         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
2188         (Relocate::relocate): Likewise.
2189         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2190
2191 2009-10-06  Ian Lance Taylor  <iant@google.com>
2192
2193         * options.h (class General_options): Define
2194         split_stack_adjust_size parameter.
2195         * object.h (class Object): Add uses_split_stack_ and
2196         has_no_split_stack_ fields.  Add uses_split_stack and
2197         has_no_split_stack accessor functions.  Declare
2198         handle_split_stack_section.
2199         (class Reloc_symbol_changes): Define.
2200         (class Sized_relobj): Define Function_offsets.  Declare
2201         split_stack_adjust, split_stack_adjust_reltype, and
2202         find_functions.
2203         * object.cc (Object::handle_split_stack_section): New function.
2204         (Sized_relobj::do_layout): Call handle_split_stack_section.
2205         * dynobj.cc (Sized_dynobj::do_layout): Call
2206         handle_split_stack_section.
2207         * reloc.cc (Sized_relobj::relocate_sections): Call
2208         split_stack_adjust for executable sections in split_stack
2209         objects.  Pass reloc_map to relocate_section.
2210         (Sized_relobj::split_stack_adjust): New function.
2211         (Sized_relobj::split_stack_adjust_reltype): New function.
2212         (Sized_relobj::find_functions): New function.
2213         * target-reloc.h: Include "object.h".
2214         (relocate_section): Add reloc_symbol_changes parameter.  Change
2215         all callers.
2216         * target.h (class Target): Add calls_non_split method.  Declare
2217         do_calls_non_split virtual method.  Declare match_view and
2218         set_view_to_nop.
2219         * target.cc: Include "elfcpp.h".
2220         (Target::do_calls_non_split): New function.
2221         (Target::match_view): New function.
2222         (Target::set_view_to_nop): New function.
2223         * gold.cc (queue_middle_tasks): Give an error if mixing
2224         split-stack and non-split-stack objects with -r.
2225         * i386.cc (Target_i386::relocate_section): Add
2226         reloc_symbol_changes parameter.
2227         (Target_i386::do_calls_non_split): New function.
2228         * x86_64.cc (Target_x86_64::relocate_section): Add
2229         reloc_symbol_changes parameter.
2230         (Target_x86_64::do_calls_non_split): New function.
2231         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
2232         parameter.
2233         * powerpc.cc (Target_powerpc::relocate_section): Add
2234         reloc_symbol_changes parameter.
2235         * sparc.cc (Target_sparc::relocate_section): Add
2236         reloc_symbol_changes parameter.
2237         * configure.ac: Call AM_CONDITIONAL for the default target.
2238         * configure: Rebuild.
2239         * testsuite/Makefile.am (TEST_AS): New variable.
2240         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
2241         (check_DATA): Add split_i386 and split_x86_64 files.
2242         (SPLIT_DEFSYMS): Define.
2243         (split_i386_[1234n].o): New targets.
2244         (split_i386_[124]): New targets.
2245         (split_i386_[1234r].stdout): New targets.
2246         (split_x86_64_[1234n].o): New targets.
2247         (split_x86_64_[124]): New targets.
2248         (split_x86_64_[1234r].stdout): New targets.
2249         (MOSTLYCLEANFILES): Add new executables.
2250         * testsuite/split_i386.sh: New file.
2251         * testsuite/split_x86_64.sh: New file.
2252         * testsuite/split_i386_1.s: New file.
2253         * testsuite/split_i386_2.s: New file.
2254         * testsuite/split_i386_3.s: New file.
2255         * testsuite/split_i386_4.s: New file.
2256         * testsuite/split_i386_n.s: New file.
2257         * testsuite/split_x86_64_1.s: New file.
2258         * testsuite/split_x86_64_2.s: New file.
2259         * testsuite/split_x86_64_3.s: New file.
2260         * testsuite/split_x86_64_4.s: New file.
2261         * testsuite/split_x86_64_n.s: New file.
2262         * testsuite/testfile.cc (Target_test): Update relocation_section
2263         function.
2264         * testsuite/Makefile.in: Rebuild.
2265
2266 2009-10-06  Ian Lance Taylor  <iant@google.com>
2267
2268         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
2269         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
2270         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
2271         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
2272         the address on ldo_addrs_.
2273         (Target_i386::Relocate::fix_up_ldo): New function.
2274
2275 2009-10-06   Rafael Espindola  <espindola@google.com>
2276
2277         * plugin.cc (add_input_library): New.
2278         (Plugin::load): Add add_input_library to tv.
2279         (Plugin_manager::add_input_file): Add the is_lib argument.
2280         (add_input_file): Update call to Plugin_manager::add_input_file.
2281         (add_input_library): New.
2282         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
2283
2284 2009-09-30  Doug Kwan  <dougkwan@google.com>
2285
2286         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
2287         symbol and call Symbol::may_need_copy_reloc to determine if
2288         a copy reloc is needed.
2289         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
2290         nocopyreloc is given in command line.
2291         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
2292         given in command line.
2293         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
2294         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
2295         of the removed Target_i386::may_need_copy_reloc.
2296         * options.h (copyreloc): New option with default value false.
2297         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2298         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
2299         instead of the removed Target_powerpc::may_need_copy_reloc.
2300         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2301         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
2302         instead of the removed Target_sparc::may_need_copy_reloc.
2303         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
2304         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
2305         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
2306         instead of the removed Target_x86_64::may_need_copy_reloc.
2307
2308 2009-09-30  Ian Lance Taylor  <iant@google.com>
2309
2310         * object.h (class Object): Remove target_ field, and target,
2311         sized_target, and set_target methods.
2312         (Object::sized_target): Remove.
2313         (class Sized_relobj): Update declarations.  Remove sized_target.
2314         * object.cc (Sized_relobj::setup): Remove target parameter.
2315         Change all callers.
2316         (Input_objects::add_object): Don't do anything with the target.
2317         (make_elf_sized_object): Add punconfigured parameter.  Change all
2318         callers.  Set or test parameter target.
2319         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
2320         Change all callers.
2321         * parameters.cc (Parameters::set_target): Change parameter type to
2322         be non-const.
2323         (Parameters::default_target): Remove.
2324         (set_parameters_target): Change parameter type to be non-const.
2325         (parameters_force_valid_target): New function.
2326         (parameters_clear_target): New function.
2327         * parameters.h (class Parameters): Update declarations.  Remove
2328         default_target method.  Add sized_target and clear_target
2329         methods.  Change target_ to be non-const.
2330         (set_parameters_target): Update declaration.
2331         (parameters_force_valid_target): Declare.
2332         (parameters_clear_target): Declare.
2333         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
2334         as NULL if we aren't searching.
2335         (Add_symbols::run): Don't check for compatible target.
2336         * fileread.cc (Input_file::open_binary): Call
2337         parameters_force_valid_target.
2338         * gold.cc (queue_middle_tasks): Likewise.
2339         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
2340         set_target on object.
2341         * dynobj.h (class Sized_dynobj): Update declarations.
2342         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
2343         make_elf_object returns NULL.
2344         (Archive::include_member): Don't check whether object target is
2345         compatible.
2346         * output.cc (Output_section::add_input_section): Get target from
2347         parameters.
2348         (Output_section::relax_input_section): Likewise.
2349         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
2350         parameters.
2351         (Sized_relobj::do_scan_relocs): Likewise.
2352         (Sized_relobj::relocate_sections): Likewise.
2353         * resolve.cc (Symbol_table::resolve): Likewise.
2354         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
2355         parameter.  Change all callers.
2356         (Symbol_table::add_from_object): Get target from parameters.
2357         (Symbol_table::add_from_relobj): Don't check object target.
2358         (Symbol_table::add_from_dynobj): Likewise.
2359         (Symbol_table::define_special_symbol): Get target from
2360         parameters.
2361         * symtab.h (class Symbol_table): Update declaration.
2362         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
2363         parameter.  Change all callers.  Clear parameter target.
2364         (Binary_test): Test target here.
2365         * testsuite/object_unittest.cc (gold_testsuite): Remove
2366         target_test_pointer parameter.  Change all callers.
2367         (Object_test): Test target here.
2368
2369 2009-09-26  Ian Lance Taylor  <iant@google.com>
2370
2371         * testsuite/initpri1.c: Don't try to use constructor priorities if
2372         compiling with gcc before 4.3.
2373
2374 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
2375
2376         * testsuite/retain_symbols_file_test.sh (check_present): Change
2377         output file name to retain_symbols_file_test.stdout.
2378         (check_absent): Likewise.
2379
2380 2009-09-18  Craig Silverstein  <csilvers@google.com>
2381
2382         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
2383         * options.cc: Include <cerrno> and <fstream>.
2384         (General_options::finalize): Parse -retain-symbols-file tag.
2385         * options.h: New flag.
2386         (General_options): New method should_retain_symbol, new
2387         variable symbols_to_retain.
2388         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
2389         should_retain_symbol map.
2390         * testsuite/Makefile.am (retain_symbols_file_test): New test.
2391         * testsuite/Makefile.in: Regenerate.
2392         * testsuite/retain_symbols_file_test.sh: New file.
2393
2394 2009-09-18  Nick Clifton  <nickc@redhat.com>
2395
2396         * po/es.po: Updated Spanish translation.
2397
2398 2009-09-17  Doug Kwan  <dougkwan@google.com>
2399
2400         * debug.h (DEBUG_RELAXATION): New constant.
2401         (DEBUG_ALL): Add DEBUG_RELAXATION.
2402         (debug_string_to_enum): Add relaxation debug option.
2403         * layout.cc
2404         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
2405         Layout::Relaxation_debug_check::read_sections,
2406         Layout::Relaxation_debug_check::read_sections): New method definitions.
2407         (Layout::Layout): Initialize data members
2408         record_output_section_data_from_scrips_,
2409         script_output_section_data_list_ and relaxation_debug_check_.
2410         (Layout::save_segments, Layout::restore_segments,
2411         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
2412         Layout::relaxation_loop_body): New method definitions.
2413         (Layout::finalize): Support relaxation.  Move section layout code to
2414         Layout::relaxation_loop_body.
2415         (Layout::set_asection_address_from_script): Move code for orphan
2416         section placement out.
2417         (Layout::place_orphan_sections_in_script): New method definition.
2418         * layout.h (Output_segment_headers, Output_file_header):
2419         New forward class declarations.
2420         (Layout::~Layout): Define.
2421         (Layout::new_output_section_data_from_script): New method definition.
2422         (Layout::place_orphan_sections_in_script): New method declaration.
2423         (Layout::Segment_states): New type declaration.
2424         (Layout::save_segments, Layout::restore_segments,
2425         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
2426         Layout::relaxation_loop_body): New method declarations.
2427         (Layout::Output_section_data_list): New type declaration.
2428         (Layout::Relaxation_debug_check): New class definition.
2429         (Layout::record_output_section_data_from_script_,
2430         Layout::script_output_section_data_list_, Layout::segment_states_,
2431         Layout::relaxation_debug_check_): New data members.
2432         * output.cc: (Output_section_headers::do_size): New method definition.
2433         (Output_section_headers::Output_section_headers): Move size
2434         computation to Output_section_headers::do_size.
2435         (Output_segment_headers::do_size): New method definition.
2436         (Output_file_header::Output_file_header): Move size computation to
2437         Output_file_header::do_size and call it.
2438         (Output_file_header::do_size): New method definition.
2439         (Output_data_group::Output_data_group): Adjust call to
2440         Output_section_data.
2441         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
2442         (Output_symtab_xindex::do_write): Add array bound check.
2443         (Output_section::Input_section::print_to_mapfile): Handle
2444         RELAXED_INPUT_SECTION_CODE.
2445         (Output_section::Output_section): Initialize data member checkpoint_.
2446         (Output_section::~Output_section): Delete checkpoint object pointed
2447         by checkpoint_.
2448         (Output_section::add_input_section): Always add an Input_section if
2449         relaxing.
2450         (Output_section::add_merge_input_section): Add assert.
2451         (Output_section::relax_input_section): New method definition.
2452         (Output_section::set_final_data_size): Set load address to zero for
2453         an unallocated section.
2454         (Output_section::do_address_and_file_offset_have_reset_values):
2455         New method definition.
2456         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
2457         Handle relaxed input section.
2458         (Output_section::sort_attached_input_sections): Checkpoint input
2459         section list lazily.
2460         (Output_section::get_input_sections): Change type of input_sections to
2461         list of Simple_input_section pointers.  Checkpoint input section list
2462         lazily.  Also handle relaxed input sections.
2463         (Output_section::add_input_section_for_script): Take a reference to
2464         a Simple_input_section object instead of Relobj pointer and section
2465         index as parameter.  Handle relaxed input sections.
2466         (Output_section::save_states, Output_section::restore_states): New
2467         method definitions.
2468         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
2469         (Output_data::is_data_size_fixed): New method definition.
2470         (Output_data::reset_addresss_and_file_offset): Do not reset data size
2471         if it is fixed.
2472         (Output_data::address_and_file_offset_have_reset_values): New method
2473         definition.
2474         (Output_data::do_address_and_file_offset_have_reset_values): New method
2475         definition.
2476         (Output_data::set_data_size): Check that data size is not fixed.
2477         (Output_data::fix_data_size): New method definition.
2478         (Output_data::is_data_size_fixed_): New data member.
2479         (Output_section_headers::set_final_data_size): New method definition.
2480         (Output_section_headers::do_size): New method declaration.
2481         (Output_segment_headers::set_final_data_size): New method definition.
2482         (Output_segment_headers::do_size): New method declaration.
2483         (Output_file_header::set_final_data_size)::New method definition.
2484         (Output_file_header::do_size)::New method declaration.
2485         (Output_section_data::Output_section_data): Add new parameter
2486         is_data_size_fixed and use it to fix data size.
2487         (Output_data_const::Output_data_const): Adjust call to base class
2488         constructor and fix data size.
2489         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
2490         base class constructor and fix data size.
2491         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
2492         base class constructor and fix data size.
2493         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
2494         class constructor and fix data size.
2495         (Output_data_group::set_final_data_size): New method definition.
2496         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
2497         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
2498         class constructor and fix data size.
2499         (Output_relaxed_input_section): New class definition.
2500         (Output_section::Simple_input_section): New class definition.
2501         (Output_section::get_input_sections): Adjust parameter list.
2502         (Output_section::add_input_section_for_script): Same.
2503         (Output_section::save_states, Output_section::restore_states,
2504         Output_section::do_address_and_file_offset_have_reset_values,
2505         (Output_section::Input_section::Input_section): Handle
2506         RELAXED_INPUT_SECTION_CODE.  Add new overload for
2507         Output_relaxed_input_section.
2508         (Output_section::Input_section::is_input_section,
2509         Output_section::Input_section::set_output_section): Handle relaxed
2510         input section.
2511         (Output_section::Input_section::is_relaxed_input_section,
2512         Output_section::Input_section::output_section_data,
2513         Output_section::Input_section::relaxed_input_section): New method
2514         definitions.
2515         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
2516         value.
2517         (Output_section::Input_section::u1_): Update comments.
2518         (Output_section::Input_section::u2_): Add new union member poris.
2519         (Output_section::Checkpoint_output_section): New classs definition.
2520         (Output_section::relax_input_section): New method declaration.
2521         (Output_section::checkpoint_): New data member.
2522         (Output_segment): Update comments.
2523         (Output_segment::Output_segment): Un-privatize copy constructor.
2524         (Output_segment::operator=): Un-privatize.
2525         * script-sections.cc (Output_section_element::Input_section_list):
2526         Change element type to Output_section::Simple_input_section.
2527         (Output_section_element_dot_assignment::set_section_addresses):
2528         Register output section data for relaxation clean up.
2529         (Output_data_exression::Output_data_expression): Adjust call to base
2530         constructor to fix data size.
2531         (Output_section_element_data::set_section_addresses): Register
2532         Output_data_expression object for relaxation clean up.
2533         (struct Input_section_info): Replace Relobj pointer and section index
2534         pair with Output_section::Simple_input_section and Convert struct to a
2535         class.
2536         (Input_section_sorter::operator()): Adjust access to
2537         Input_section_info data member to use accessors.
2538         (Output_section_element_input::set_section_addresses): Use layout
2539         parameter.  Adjust code to use Output_section::Simple_input_section
2540         and Input_secction_info classes.  Register filler for relaxation
2541         clean up.
2542         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
2543         and section index pair with Output_section::Simple_input_section
2544         class.  Adjust code accordingly.
2545         (Phdrs_element::release_segment): New method definition.
2546         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
2547         segment list.
2548         (Script_sections::release_segments): New method definition.
2549         * gold/script-sections.h (Script_sections::release_segments): New
2550         method declaration.
2551         * gold/target.h (Target::may_relax, Target::relax,
2552         Target::do_may_relax, Target::do_relax): New method definitions.
2553
2554 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2555
2556         * arm.cc (has_signed_unsigned_overflow): New function.
2557         (Arm_relocate_functions::abs8): New function.
2558         (Target_arm::Scan::local): Handle R_ARM_ABS8.
2559         (Target_arm::Scan::global): Likewise.
2560         (Target_arm::relocate::relocate): Likewise.
2561         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2562         Likewise.
2563
2564 2009-09-16  Cary Coutant  <ccoutant@google.com>
2565
2566         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
2567         * testsuite/Makefile.in: Regenerate.
2568
2569 2009-09-11  Nick Clifton  <nickc@redhat.com>
2570
2571         * po/gold.pot: Updated by the Translation project.
2572
2573 2009-09-08  Cary Coutant  <ccoutant@google.com>
2574
2575         * output.cc (Output_file::open): Add execute permission to empty file.
2576         * testsuite/Makefile.am (permission_test): New test.
2577         * testsuite/Makefile.in: Regenerate.
2578
2579 2009-09-02  Ian Lance Taylor  <iant@google.com>
2580
2581         * output.cc (Output_file::resize): Call map_no_anonymous rather
2582         than map.
2583
2584 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
2585
2586         * gold.cc: Include "incremental.h".
2587         (queue_initial_tasks): Call Incremental_checker methods.
2588         * incremental.cc: Include "output.h".
2589         (Incremental_checker::can_incrementally_link_output_file): New
2590         method.
2591         * incremental.h (Incremental_checker): New class.
2592
2593         * output.cc (Output_file::open_for_modification): New method.
2594         (Output_file::map_anonymous): Changed return type to bool.  Record
2595         map in base_ field.
2596         (Output_file::map_no_anonymous): New method, broken out of map.
2597         (Output_file::map): Use map_no_anonymous and map_anonymous.
2598         * output.h (class Output_file): Update declarations.
2599
2600 2009-08-24  Cary Coutant  <ccoutant@google.com>
2601
2602         * options.h (Command_line::Pre_options): New class.
2603         (Command_line::pre_options): New member.
2604         * options.cc (gold::options::ready_to_register): New variable.
2605         (One_option::register_option): Do nothing if not registering options.
2606         Assert if same short option registered twice.
2607         (General_options::General_options): Turn off option registration when
2608         done constructing.
2609         (Command_line::Pre_options::Pre_options): New constructor.
2610
2611 2009-08-24  Cary Coutant  <ccoutant@google.com>
2612
2613         * options.h (General_options::no_keep_memory): Remove incorrect
2614         short option.
2615
2616 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2617
2618         * Makefile.am (am__skiplex, am__skipyacc): New.
2619         * Makefile.in: Regenerate.
2620
2621 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2622
2623         * Makefile.am (AM_CPPFLAGS): Renamed from ...
2624         (INCLUDES): ... this.
2625         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
2626         (AM_CPPFLAGS): Renamed from ...
2627         (INCLUDE): ... this.
2628         * Makefile.in, testsuite/Makefile.in: Regenerate.
2629
2630         * Makefile.in: Regenerate.
2631         * aclocal.m4: Likewise.
2632         * config.in: Likewise.
2633         * configure: Likewise.
2634         * testsuite/Makefile.in: Likewise.
2635
2636         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2637         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2638         * Makefile.in: Regenerate.
2639         * testsuite/Makefile.in: Regenerate.
2640
2641 2009-08-19  Cary Coutant  <ccoutant@google.com>
2642
2643         * resolve.cc (Symbol_table::resolve): Don't complain about defined
2644         symbols in shared libraries overridden by hidden or internal symbols
2645         in the main program.
2646
2647 2009-08-19  Chris Demetriou  <cgd@google.com>
2648
2649         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
2650         checking source file names in error messages.
2651
2652 2009-08-18  Doug Kwan  <dougkwan@google.com>
2653
2654         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
2655         an elcpp::Ehdr as parameter.  Adjust call to set_target.
2656         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
2657         an elfcpp::Ehdr as parameter.
2658         * object.cc (Object::set_target): Remove the version that looks up
2659         a target and sets it.
2660         (Sized_relobj::setup): Take a Target object instead of
2661         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
2662         (make_elf_sized_object): Find target and ask target to
2663         make an ELF object.
2664         * object.h: (Object::set_target): Remove the version that looks up
2665         a target and sets it.
2666         (Sized_relobj::setup): Take a Target object instead of
2667         an elfcpp:Ehdr as parameter.
2668         * target.cc: Include dynobj.h.
2669         (Target::do_make_elf_object_implementation): New.
2670         (Target::do_make_elf_object): New.
2671         * target.h (Target::make_elf_object): New template declaration.
2672         (Target::do_make_elf_object): New method declarations.
2673         (Target::do_make_elf_object_implementation): New template declaration.
2674
2675 2009-08-14  Ian Lance Taylor  <iant@google.com>
2676
2677         * gold.h (FUNCTION_NAME): Define.
2678         (gold_unreachable): Use FUNCTION_NAME.
2679
2680 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2681
2682         * icf.cc (Icf::find_identical_sections): Issue a warning when a
2683         symbol in the --keep-unique list is not found.
2684
2685 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2686
2687         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
2688         been maked as --keep-unique.
2689         (Icf::unfold_section): New function.
2690         * icf.h (Icf::unfold_section): New function.
2691         * options.h (General_options::keep_unique): New option.
2692         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
2693         * testsuite/Makefile.in: Regenerate.
2694         * testsuite/icf_keep_unique_test.sh: New file.
2695         * testsuite/icf_keep_unique_test.cc: New file.
2696
2697 2009-08-12  Cary Coutant  <ccoutant@google.com>
2698
2699         PR 10471
2700         * resolve.cc (Symbol_table::resolve): Check for references from
2701         dynamic objects to hidden and internal symbols.
2702         * testsuite/Makefile.am (hidden_test.sh): New test.
2703         * testsuite/Makefile.in: Regenerate.
2704         * testsuite/hidden_test.sh: New script.
2705         * testsuite/hidden_test_1.c: New test source.
2706         * testsuite/hidden_test_main.c: New test source.
2707
2708 2009-08-11  Doug Kwan  <dougkwan@google.com>
2709
2710         * arm.cc: Update comments.
2711         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
2712         segment to locate the .ARM.exidx section if present.
2713
2714 2009-08-09  Doug Kwan  <dougkwan@google.com>
2715
2716         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
2717         patch.
2718
2719 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
2720         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
2721         compiler warnings.
2722
2723 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
2724
2725         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
2726         valid tls_segment only for non-debug-section relocations.
2727         * testsuite/Makefile.am: Add gc_tls_test.
2728         * testsuite/Makefile.in: Regenerate.
2729         * testsuite/gc_tls_test.cc: New file.
2730         * testsuite/gc_tls_test.sh: New file.
2731
2732 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
2733
2734         * icf.cc: New file.
2735         * icf.h: New file.
2736         * Makefile.am (CCFILES): Add icf.cc.
2737         (HFILES): Add icf.h
2738         * Makefile.in: Regenerate.
2739         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
2740         * gc.h (gc_process_relocs): Populate lists used by icf to contain
2741         section, symbol and addend information for the relocs.
2742         * gold.cc (queue_middle_tasks): Call identical code folding.
2743         * gold.h: Add defines for multimap.
2744         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
2745         to the call of finalize_local_symbols.
2746         * main.cc (main): Create object of class Icf.
2747         * object.cc (Sized_relobj::do_layout): Allow this function to be
2748         called twice during icf.
2749         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
2750         to sections marked as identical by icf.
2751         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
2752         when available.
2753         (Sized_relobj::do_section_entsize): New function.
2754         * object.h (Object::section_entsize): New function.
2755         (Object::do_section_entsize): New pure virtual function.
2756         (Relobj::finalize_local_symbols): Add new parameter.
2757         (Relobj::do_section_entsize): New function.
2758         * options.h (General_options::icf): New option.
2759         (General_options::icf_iterations): New option.
2760         (General_options::print_icf_sections): New option.
2761         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
2762         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
2763         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
2764         icf.
2765         * symtab.cc (Symbol_table::is_section_folded): New function.
2766         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
2767         to sections marked as identical by icf.
2768         * symtab.h (Symbol_table::set_icf): New function.
2769         (Symbol_table::icf): New function.
2770         (Symbol_table::is_section_folded): New function.
2771         (Symbol_table::icf_): New data member.
2772         * target-reloc.h (relocate_section): Ignore sections folded by icf.
2773         * testsuite/Makefile.am: Add commands to build icf_test.
2774         * testsuite/Makefile.in: Regenerate.
2775         * testsuite/icf_test.sh: New file.
2776         * testsuite/icf_test.cc: New file.
2777
2778 2009-07-24  Chris Demetriou  <cgd@google.com>
2779
2780         * layout.cc (is_compressible_debug_section): Fix incorrect
2781         comment about compressed section names.
2782
2783 2009-07-20  Ian Lance Taylor  <ian@airs.com>
2784
2785         PR 10419
2786         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
2787
2788 2009-07-16  Ian Lance Taylor  <iant@google.com>
2789
2790         PR 10400
2791         * layout.h: #include <map>.
2792         (class Kept_section): Change from struct to class.  Add accessors
2793         and setters.  Add section size to Comdat_group mapping.  Change
2794         Comdat_group to std::map.  Add is_comdat_ field.  Add
2795         linkonce_size field in union.
2796         (class Layout): Update declaration of find_or_add_kept_section.
2797         Don't declare find_kept_object.
2798         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
2799         parameter.  Add object, shndx, is_comdat, and is_group_name
2800         parameters.  Change all callers.  Adjust for new Kept_section.
2801         (Layout::find_kept_object): Remove.
2802         * object.cc (Sized_relobj::include_section_group): Update use of
2803         Kept_section.  Rename secnum to shndx.  Only record
2804         Kept_comdat_section if sections are the same size.
2805         (Sized_relobj::include_linkonce_section): Update use of
2806         Kept_section.  Only record Kept_comdat_section if sections are the
2807         same size.  Set size of linkonce section.
2808         (Sized_relobj::map_to_kept_section): Update call to
2809         get_kept_comdat_section.
2810         * object.h (class Sized_relobj): Rename fields in
2811         Kept_comdat_section to drop trailing underscores; change object
2812         field to Relobj*.  Change Kept_comdat_section_table to store
2813         struct rather than pointer.
2814         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
2815         Add kept_object and kept_shndx parameters.  Change all callers.
2816         (Sized_relobj::get_kept_comdat_section): Change return type to
2817         bool.  Add kept_object and kept_shndx parameters.  Change all
2818         callers.
2819         * plugin.cc (Pluginobj::include_comdat_group): Update call to
2820         Layout::find_or_add_kept_section.
2821
2822 2009-07-09  Ian Lance Taylor  <iant@google.com>
2823
2824         * merge.cc (Object_merge_map::initialize_input_to_output_map):
2825         Reserve space in the hash table.
2826
2827 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
2828
2829         * fileread.cc (File_read::get_mtime): New method.
2830         * fileread.h (Timespec): New structure.
2831         (File_read::get_mtime): New method.
2832         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
2833         Renamed from timestamp_nsec.
2834         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
2835         Elf_Xword.
2836         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
2837         timestamp_nsec.
2838         (Incremental_inputs::report_archive): Save mtime; style fix.
2839         (Incremental_inputs::report_obejct): Save mtime; style fix.
2840         (Incremental_inputs::report_script): Save mtime; style fix.
2841         (Incremental_inputs::finalize_inputs): Style fix.
2842         (Incremental_inputs::finalize): Style fix.
2843         (Incremental_inputs::create_input_section_data): Store inputs
2844         mtime.
2845         * incremental.h (Incremental_inputs::report_script): Add mtime
2846         argument.
2847         (Incremental_inputs::Input_info::Input_info): Intialize only one
2848         union member.
2849         (Incremental_inputs::Input_info::archive): Move to nameless
2850         union.
2851         (Incremental_inputs::Input_info::obejct): Move to nameless union.
2852         (Incremental_inputs::Input_info::script): Move to nameless union.
2853         (Incremental_inputs::mtime): New field.
2854         * script.cc (read_input_script): Pass file mtime to
2855         Incremental_input.
2856         * script.h (Script_info::inputs): Style fix.
2857
2858 2009-07-01  Ian Lance Taylor  <ian@airs.com>
2859
2860         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
2861         instead of 32.
2862
2863 2009-06-24  Ian Lance Taylor  <iant@google.com>
2864
2865         PR 10156
2866         * layout.cc (Layout::choose_output_section): If we find an
2867         existing section, update the flags.
2868         (Layout::create_notes): New function, broken out of
2869         Layout::finalize.
2870         (Layout::finalize): Don't create note sections.
2871         (Layout::create_note): Don't crash if linker script discards
2872         section.
2873         (Layout::create_gold_note): Likewise.
2874         (Layout::create_build_id): Likewise.  Don't set
2875         after_input_sections on the section.
2876         (Layout::create_executable_stack_info): Remove target parameter.
2877         Change caller.
2878         * layout.h (class Layout): Declare create_notes.  Update
2879         declaration of create_executable_stack_info.
2880         * gold.cc (queue_middle_tasks): Call create_notes.
2881         * output.cc (Output_section::update_flags_for_input_section): Move
2882         here from output.h.  If SHF_ALLOC flag is newly set, mark address
2883         invalid.
2884         * output.h (Output_data::mark_address_invalid): New function.
2885         (class Output_section): Only declare, not define,
2886         update_flags_for_input_section.  Remove set_flags.
2887
2888 2009-06-24  Ian Lance Taylor  <iant@google.com>
2889
2890         * script-sections.cc (Output_section_definition::
2891         set_section_addresses): Rename shadowing local load_address to
2892         laddr.
2893
2894 2009-06-24  Ian Lance Taylor  <iant@google.com>
2895
2896         PR 10244
2897         * reloc.cc (relocate_sections): Skip empty relocation sections.
2898
2899 2009-06-23  Ian Lance Taylor  <iant@google.com>
2900
2901         PR 10156
2902         * layout.cc (Layout::create_note): Use choose_output_section
2903         rather than make_output_section.
2904
2905 2009-06-23  Ian Lance Taylor  <iant@google.com>
2906
2907         PR 10237
2908         * options.cc (General_options::parse_V): Set printed_version_.
2909         (General_options::General_options): Initialize printed_version_.
2910         * options.h (class General_options): Add printed_version_ field.
2911         * gold.cc (queue_initial_tasks): If there are no input files,
2912         don't give a fatal error if we printed the version information.
2913         (queue_middle_tasks): If using -r with a shared object, give a
2914         fatal error rather than an ordinary error.
2915
2916 2009-06-23  Ian Lance Taylor  <iant@google.com>
2917
2918         PR 10219
2919         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2920         (Layout::make_output_section): Set have_stabstr_section_ if we see
2921         a .stab*str section.
2922         (Layout::finalize): Call link_stabs_sections.
2923         (Layout::link_stabs_sections): New file.
2924         * layout.h (class Layout): Add have_stabstr_section_ field.
2925         Declare link_stabs_sections.
2926
2927 2009-06-23  Doug Kwan  <dougkwan@google.com>
2928
2929         * Makefile.am (libgold_a_LIBADD): New.
2930         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2931         * Makefile.in: Regenerate.
2932         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2933         * configure: Regenerate.
2934         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2935         * fileread.cc: Include sys/state.h
2936         * gold.h: Declare memmem and strndup if found missing.
2937         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2938
2939 2009-06-23  Ian Lance Taylor  <iant@google.com>
2940
2941         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2942         * configure: Rebuild.
2943
2944 2009-06-23  Ian Lance Taylor  <iant@google.com>
2945
2946         PR 10147
2947         * object.cc (Object::section_contents): Don't try to get a view if
2948         the section has length zero.
2949         (Object::handle_gnu_warning_section): If the section is empty, use
2950         the name of the section as the warning.
2951
2952 2009-06-23  Ian Lance Taylor  <iant@google.com>
2953
2954         PR 10133
2955         * stringpool.h (class Stringpool_template): Add optimize_ field.
2956         (Stringpool_template::set_optimize): New function.
2957         * stringpool.cc (Stringpool_template::Stringpool_template):
2958         Initialize optimize_ field.
2959         (Stringpool_template::set_string_offsets): Test local optimize
2960         fild rather than parameter.
2961         * layout.cc (Layout::Layout): Call set_optimize on the section
2962         name stringpool.
2963
2964 2009-06-22  Ian Lance Taylor  <iant@google.com>
2965
2966         PR 10030
2967         * yyscript.y: Parse TARGET.
2968         * script.cc (script_set_target): New function.
2969         * script-c.h (script_set_target): Declare.
2970         * options.cc (General_options::string_to_object_format): Rename
2971         from string_to_object_format in anonymous namespace.  Change
2972         callers.
2973         * options.h (class General_options): Declare
2974         string_to_object_format.
2975
2976 2009-06-22  Ian Lance Taylor  <iant@google.com>
2977
2978         * script-sections.cc (Script_sections::create_segments): Don't put
2979         program headers in a PT_LOAD segment if -n or -N.
2980
2981 2009-06-22  Ian Lance Taylor  <iant@google.com>
2982
2983         PR 10141
2984         * options.h (class General_options): Add -z lazy and -z now.  Sort
2985         -z options into alphabetical order.
2986         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2987
2988 2009-06-21  Ian Lance Taylor  <iant@google.com>
2989
2990         * layout.cc (Layout::make_output_section): Call
2991         Target::new_output_section.
2992         (Layout::attach_allocated_section_to_segment): Put large section
2993         sections in a separate load segment with the large segment flag
2994         set.
2995         (Layout::segment_precedes): Sort large data segments after other
2996         load segments.
2997         (align_file_offset): New static function.
2998         (Layout::set_segment_offsets): Use align_file_offset.
2999         * output.h (class Output_section): Add is_small_section_ and
3000         is_large_section_ fields.
3001         (Output_section::is_small_section): New function.
3002         (Output_section::set_is_small_section):  New function.
3003         (Output_section::is_large_section): New function.
3004         (Output_section::set_is_large_section): New function.
3005         (Output_section::is_large_data_section): New function.
3006         (class Output_segment): Add is_large_data_segment_ field.
3007         (Output_segment::is_large_data_segment): New function.
3008         (Output_segment::set_is_large_data_segment): New function.
3009         * output.cc (Output_section::Output_section): Initialize new
3010         fields.
3011         (Output_segment::Output_segment): Likewise.
3012         (Output_segment::add_output_section): Add assertion that large
3013         data sections always go in large data segments.  Force small data
3014         sections to the end of the list of data sections.  Force small BSS
3015         sections to the start of the list of BSS sections.  For large BSS
3016         sections to the end of the list of BSS sections.
3017         * symtab.h (class Symbol): Declare is_common_shndx.
3018         (Symbol::is_defined): Check Symbol::is_common_shndx.
3019         (Symbol::is_common): Likewise.
3020         (class Symbol_table): Define enum Commons_section_type.  Update
3021         declarations.  Add small_commons_ and large_commons_ fields.
3022         * symtab.cc (Symbol::is_common_shndx): New function.
3023         (Symbol_table::Symbol_table): Initialize new fields.
3024         (Symbol_table::add_from_object): Put small and large common
3025         symbols in the right list.
3026         (Symbol_table::sized_finalized_symbol): Check
3027         Symbol::is_common_shndx.
3028         (Symbol_table::sized_write_globals): Likewise.
3029         * common.cc (Symbol_table::do_allocate_commons): Allocate new
3030         common symbol lists.  Don't call do_allocate_commons_list if the
3031         list is empty.
3032         (Symbol_table::do_allocate_commons_list): Remove is_tls
3033         parameter.  Add comons_section_type parameter.  Change all
3034         callers.  Handle small and large common symbols.
3035         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
3036         Symbol::is_common_shndx.
3037         * resolve.cc (symbol_to_bits): Likewise.
3038         * target.h (Target::small_common_shndx): New function.
3039         (Target::small_common_section_flags): New function.
3040         (Target::large_common_shndx): New function.
3041         (Target::large_common_section_flags): New function.
3042         (Target::new_output_section): New function.
3043         (Target::Target_info): Add small_common_shndx, large_common_shndx,
3044         small_common_section_flags, and large_common_section_flags
3045         fields.
3046         (Target::do_new_output_section): New virtual function.
3047         * arm.cc (Target_arm::arm_info): Initialize new fields.
3048         * i386.cc (Target_i386::i386_info): Likewise.
3049         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3050         Likewise.
3051         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
3052         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
3053         (Target_x86_64::do_new_output_section): New function.
3054         * configure.ac: Define conditional MCMODEL_MEDIUM.
3055         * testsuite/Makefile.am (check_PROGRAMS): Add large.
3056         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
3057         (large_LDFLAGS): Define.
3058         * testsuite/large.c: New file.
3059         * testsuite/testfile.cc (Target_test::test_target_info):
3060         Initialize new fields.
3061         * configure, testsuite/Makefile.in: Rebuild.
3062
3063 2009-06-05  Doug Kwan  <dougkwan@google.com>
3064
3065         * Makefile.am (CCFILES): Add target.cc.
3066         * Makefile.in: Regenerate.
3067         * i386.cc (class Target_i386): Define new virtual method to
3068         override do_is_local_label_name in parent.
3069         * object.cc (Sized_relobj::do_count_local_symbols): Discard
3070         local symbols if --discard-locals or -X is given.
3071         * options.h (class General_options): Declare new options
3072         '--discard-locals' and '-X' for discarding locals.
3073         * target.h (class Target): Define new methods is_local_label_name.
3074         Declare new virtual method do_is_local_label_name.
3075         * target.cc: New file.
3076         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
3077         (check_SCRIPTS): Add discard_locals_test.sh.
3078         (check_DATA): Add discard_local_tests.syms.
3079         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
3080         (discard_local_tests.syms, discard_locals_test.o): New make rules.
3081         * testsuite/Makefile.in: Regenerate.
3082         * testsuite/discard_locals_test.c: New file.
3083         * testsuite/discard_locals_test.sh: Same.
3084
3085 2009-06-05  Doug Kwan  <dougkwan@google.com>
3086
3087         * object.cc (Sized_relobj::Sized_relobj): Initialize
3088         discarded_eh_frame_shndx_ to -1U.
3089         (Sized_relobj::do_layout): Record index of a discard .eh_frame
3090         section.
3091         (Sized_relobj::do_count_local_symbols): Skip local symbols in
3092         a discarded .eh_frame section.
3093         (Sized_relobj::do_finalize_local_symbols): Ditto.
3094         * object.h (class Sized_relobj): Declare new member
3095         discarded_eh_frame_shndx_.
3096         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
3097         (local_labels_test.o, local_labels_test): New rules.
3098         * testsuite/Makefile.in: Regenerate.
3099
3100 2009-06-04  Doug Kwan  <dougkwan@google.com>
3101
3102         * layout.cc (Layout::section_name_mapping): Add mapping for
3103         special ARM sections.
3104
3105 2009-06-03  Doug Kwan  <dougkwan@google.com>
3106
3107         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
3108         (utils::has_overflow): Same.
3109
3110 2009-06-03  Ian Lance Taylor  <iant@google.com>
3111
3112         * layout.cc (Layout::section_name_mapping): New array, replacing
3113         Layout::linkonce_mapping.
3114         (Layout::section_name_mapping_count): New variable, replacing
3115         Layout::linkonce_mapping_count.
3116         (Layout::linkonce_output_name): Remove.
3117         (Layout::output_section_name): Rewrite.
3118         * layout.h (class Layout): Rename Linkonce_mapping to
3119         Section_name_mapping, linkonce_mapping to section_name_mapping,
3120         linkonce_mapping_count to section_name_mapping_count.  Don't
3121         declare linkonce_output_name.
3122
3123 2009-06-03  Doug Kwan  <dougkwan@google.com>
3124
3125         * gold/arm.cc (namespace utils): New.
3126         (Target_arm::reloc_is_non_pic): Define new method.
3127         (class Arm_relocate_functions): New.
3128         (Target_arm::Relocate::relocate): Handle relocation types used by
3129         Android.
3130
3131 2009-06-03  Ian Lance Taylor  <iant@google.com>
3132
3133         * arm.cc (Target_arm::scan::global): Use || instead of |.
3134
3135 2009-06-02  Doug Kwan  <dougkwan@google.com>
3136
3137         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
3138         issued_non_pic_error_.
3139         (class Target_arm::Scan): Declare new method check_non_pic.
3140         Define new method symbol_needs_plt_entry.
3141         Declare new data member issued_non_pic_error_.
3142         (class Target_arm::Relocate): Declare new method
3143         should_apply_static_reloc.
3144         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
3145         (Target_arm::Scan::check_non_pic): Define new method.
3146         (Target_arm::Scan::local): Handle a small subset of reloc types used
3147         by Android.
3148         (Target_arm::Scan::local): Same.
3149         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
3150
3151 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
3152
3153         * incremental.cc (Incremental_inputs::report_command_line): Filter
3154         out --incremental-* options.
3155
3156 2009-05-29  Doug Kwan  <dougkwan@google.com>
3157
3158         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
3159         template class.
3160         (class Target_arm): Update comment.
3161         (Target_arm::Target_arm): Initialize new data members GOT_,
3162         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
3163         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
3164         and Target_arm::rel_dyn_section.
3165         Declare new_enum Target_arm::Got_type.
3166         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
3167         and DYNBSS_.
3168         Update commments for member do_dynsym_value.
3169         (Target_arm::got_size, Target_arm::plt_section,
3170         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
3171         new methods inside class defintion.
3172         (Target_arm::got_section): Define new method.
3173         (Target_arm::rel_dyn_section): Same.
3174         (Output_data_plt_arm): New template class.
3175         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
3176         (Output_data_plt_arm:do_adjust_output_section): Define new method.
3177         (Output_data_plt_arm::add_entry): Same.
3178         (Output_data_plt_arm::first_plt_entry): Define new
3179         static data member for PLT instruction template.
3180         (Output_data_plt_arm::plt_entry): Same.
3181         (Output_data_plt_arm::do_write): Define new method.
3182         (Target_arm::make_plt_entry): Same.
3183         (Target_arm::do_finalize_sections): Same.
3184         (Target_arm::do_dynsym_value): Same.
3185
3186 2009-05-28  Doug Kwan  <dougkwan@google.com>
3187
3188         * Makefile.am (TARGETSOURCES): Add arm.cc.
3189         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
3190         * Makefile.in: Regenerate.
3191         * arm.cc: New file.
3192         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
3193
3194 2009-05-26  Doug Kwan  <dougkwan@google.com>
3195
3196         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
3197         (General_options::check_excluded_libs): Strip off directories in
3198         archive name before matching like GNU ld does.
3199         * testsuite/Makefile.am (MOSTLYCLEANFILES,
3200         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
3201         (exclude_libs_test_LDFLAGS): Add linker option
3202         -Wl,--exclude-libs,libexclude_libs_test_3
3203         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
3204         an explicit archive without using -l.
3205         (alt/libexclude_libs_test_3.a): New make rule.
3206         * testsuite/Makefile.in: Regenerate.
3207         * testsuite/exclude_libs_test.c : Declare lib3_default().
3208         (main): Call it.
3209         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
3210         * exclude_libs_test_3.c: New file.
3211
3212 2009-05-26  Nick Clifton  <nickc@redhat.com>
3213
3214         * po/id.po: New Indonesian translation.
3215         * po/gold.pot: Updated template file.
3216
3217 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
3218
3219         * testsuite/Makefile.am: Add -ffunction-sections to compile
3220         gc_comdat_test files.  Add -Wl,--gc-sections to build
3221         gc_comdat_test.
3222         * testsuite/Makefile.in: Regenerate.
3223         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
3224
3225 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
3226
3227         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
3228         kept comdat section was garbage collected.
3229         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
3230         * testsuite/Makefile.in: Regenerate.
3231         * testsuite/gc_comdat_test.sh: New file.
3232         * testsuite/gc_comdat_test_1.cc: New file.
3233         * testsuite/gc_comdat_test_2.cc: New file.
3234
3235 2009-05-19  Doug Kwan  <dougkwan@google.com>
3236
3237         * archive.cc (Archive::Archive): Move constructor from archive.h
3238         to here.  Initialize no_export_.
3239         (Archive::get_elf_object_for_member): Set no_export flag of object.
3240         * archive.h (Archive::Archive): Move constructor body to
3241         archive.cc.
3242         (Archive::no_export): New method.
3243         (Archive::no_export_): New field.
3244         * object.h (Object::Object): Initialize no_export_ to false.
3245         (Object::no_export, Object::set_no_export): New methods.
3246         (Object::no_export_): New field.
3247         * options.cc (General_options::parse_exclude_libs): New method.
3248         (General_options::check_excluded_libs) Same.
3249         * options.h (exclude_libs): New option.
3250         (General_options::check_excluded_libs): New method declaration.
3251         (General_options::excluded_libs_): New field.
3252         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
3253         default or protected visibility if an object has no-export flag set.
3254         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
3255         (check_SCRIPTS): Add exclude_libs_test.sh.
3256         (check_DATA): Add exclude_libs_test.syms.
3257         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
3258         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
3259         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
3260         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
3261         (exclude_libs_test.syms, libexclude_libs_test_1.a,
3262         libexclude_libs_test_2.a): New rules.
3263         * testsuite/Makefile.in: Regenerate.
3264         * testsuite/exclude_libs_test.c: New file.
3265         * testsuite/exclude_libs_test.sh: Ditto.
3266         * testsuite/exclude_libs_test_1.c: Ditto.
3267         * testsuite/exclude_libs_test_2.c: Ditto.
3268
3269 2009-05-15  Ian Lance Taylor  <iant@google.com>
3270
3271         * configure.ac: Check for declarations for cases where libiberty.h
3272         checks HAVE_DECL_xxx.
3273         * configure, config.in: Rebuild.
3274
3275 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
3276
3277         * gold.h (Incremental_argument_list): Remove (invalid) forward
3278         declaration.
3279         * incremental.cc (Incremental_inputs::report_achive): New method.
3280         (Incremental_inputs::report_object): New method.
3281         (Incremental_inputs::report_script): New method.
3282         (Incremental_inputs::finalize_inputs): New method.
3283         (Incremental_inputs::finalize): Call finalize_inputs().
3284         (Incremental_inputs::sized_create_incremental_inputs_section_data):
3285         Create inputs entries.
3286         * incremental.h (Incremental_input_type): New enum.
3287         (Incremental_inputs::Incremental_input): Initialize new fields.
3288         (Incremental_inputs::report_inputs): New method.
3289         (Incremental_inputs::report_achive): New method.
3290         (Incremental_inputs::report_object): New method.
3291         (Incremental_inputs::report_script): New method.
3292         (Incremental_inputs::finalize_inputs): New method.
3293         (Incremental_inputs::Input_info): New struct.
3294         (Incremental_inputs::Input_info_map): New typedef.
3295         (Incremental_inputs::lock_): New field.
3296         (Incremental_inputs::Inputs_): New field.
3297         (Incremental_inputs::Inputs_map): New field.
3298         * main.cc (main): Call Incremental_input::report_inputs.
3299         * options.h (Input_argument_list): Typedef moved from
3300         Input_arguments.
3301         (Input_file_group::Files): Remove, use ::Input_argument_list.
3302         (Input_file_group::Input_argument_list): Remove, use
3303         ::Input_argument_list.
3304         * plugin.cc (Plugin_manager::add_input_file): Add error in
3305         incremental build.
3306         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
3307         functions.
3308         * script.cc (read_input_script): Call
3309         Incremental_input::report_script.
3310         * script.h (Script_info): New class.
3311
3312 2009-04-27  Ian Lance Taylor  <iant@google.com>
3313
3314         * x86_64.cc (do_adjust_output_section): Set entsize to
3315         plt_entry_size.
3316
3317 2009-04-23  Elliott Hughes  <enh@google.com>
3318
3319         * output.cc (Output_file::close): After short writes, continue
3320         writing from the correct offset in the buffer being written.
3321
3322 2009-04-23  Chris Demetriou  <cgd@google.com>
3323
3324         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
3325         * configure: Regenerate.
3326         * config.in: Regenerate.
3327         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
3328         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
3329
3330 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
3331
3332         * incremental.cc (Incremental_inputs_header_data): Renamed from
3333         Incremental_input_header_data.
3334         (Incremental_inputs_header_data::data_size): New field.
3335         (Incremental_inputs_header_data::put_input_file_count): Renamed
3336         from input_file_count.
3337         (Incremental_inputs_header_data::put_command_line_offset): Renamed
3338         from command_line_offset.
3339         (Incremental_inputs_header_data::put_reserved): Renamed from
3340         put_reserved.
3341         (Incremental_inputs_entry_data): Renamed from
3342         Incremental_input_entry_data.
3343         (Incremental_inputs_entry_data::data_size): New field.
3344         (Incremental_inputs::report_command_line): New method.
3345         (Incremental_inputs::finalize): New method.
3346         (Incremental_inputs::create_incremental_inputs_data): New method.
3347         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
3348         * incremental.h: New file.
3349         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
3350        (Layout::finalize): Create incremental inputs section in
3351         incremental builds.
3352        (Layout::create_incremental_info_sections): New method.
3353         * layout.h (Layout::incremental_inputs): New method.
3354        (Layout::create_incremental_info_sections): New method.
3355        (Layout::incremental_inputs_): New field.
3356         * main.cc (main): Notify Incremental_input of the command line.
3357
3358 2009-04-01  Ian Lance Taylor  <iant@google.com>
3359             Mikolaj Zalewski  <mikolajz@google.com>
3360
3361         * gold.h (reserve_unordered_map): Define, three versions, one for
3362         each version of Unordered_map.
3363         * layout.cc (Layout::Layout): Remove options parameter.  Add
3364         number_of_input_files parameter.  Don't initialize options_.
3365         Initialize number_of_input_files_ and resized_signatures_.  Move
3366         sections_are_attached_.
3367         (Layout::layout_group): Reserve space for group_signatures_.
3368         (Layout::find_or_add_kept_section): Change name parameter to be a
3369         reference.  Resize signatures_ map when it gets large enough.
3370         (Layout::layout_eh_frame): Use parameters->options() instead of
3371         this->options_.
3372         (Layout::make_output_section): Likewise.
3373         (Layout::attach_allocated_section_to_segment): Likewise.
3374         (Layout::finalize, Layout::create_executable_stack): Likewise.
3375         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
3376         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
3377         * layout.h (class Layout): Update declarations.  Remove options_
3378         field.  Add number_of_input_files_ and resized_signatures_
3379         fields.  Move sections_are_attached_ field.
3380         * main.cc (main): Pass number of input files to Layout
3381         constructor.  Don't pass options.
3382
3383 2009-03-30  Ian Lance Taylor  <iant@google.com>
3384
3385         * ffsll.c (ffsll): Correct implementation.
3386
3387 2009-03-27  Ian Lance Taylor  <iant@google.com>
3388
3389         * ffsll.c: New file.
3390         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
3391         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
3392         * ftruncate.c (ftruncate): Declare before definition.
3393         * mremap.c (mremap): Likewise.
3394         * pread.c (pread): Likewise.
3395         * configure, Makefile.in, config.in: Rebuild.
3396
3397         * mremap.c: New file.
3398         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
3399         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
3400         (mremap): Declare if HAVE_MREMAP is not defined.
3401         * configure, Makefile.in, config.in: Rebuild.
3402
3403 2009-03-27  Cary Coutant  <ccoutant@google.com>
3404
3405         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
3406         position independent.
3407         * sparc.cc (Target_sparc::check_non_pic): Likewise.
3408         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
3409
3410 2009-03-24  Cary Coutant  <ccoutant@google.com>
3411
3412         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
3413         an executable.
3414         (needs_dynamic_reloc): Likewise.
3415
3416 2009-03-24  Ian Lance Taylor  <iant@google.com>
3417
3418         * yyscript.y (file_cmd): Recognize EXTERN.
3419         (extern_name_list, extern_name_list_body): New nonterminals.
3420         * script.cc (script_add_extern): Define.
3421         * script-c.h (script_add_extern): Declare.
3422
3423 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
3424
3425         * object.cc (is_elf_object): Define.
3426         * object.h (is_elf_object): Declare.
3427         * archive.cc (Archive::get_elf_object_for_member): Call
3428         is_elf_object.
3429         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
3430
3431 2009-03-24  Elliott Hughes  <enh@google.com>
3432
3433         * output.cc (Output_file::map_anonymous): Define.
3434         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
3435         try an anonymous one.  Report the size if the mmap fails.
3436         * output.h (class Output_file): Declare map_anonymous.
3437
3438 2009-03-24  Ian Lance Taylor  <iant@google.com>
3439
3440         * target-select.cc (instantiate_target): Don't acquire the lock if
3441         the instantiated_target_ field has already been set.
3442
3443 2009-03-23  Ian Lance Taylor  <iant@google.com>
3444
3445         * gold-threads.h (class Initialize_lock): Define.
3446         * gold-threads.cc (class Initialize_lock_once): Define.
3447         (initialize_lock_control): New static variable.
3448         (initialize_lock_pointer): New static variable.
3449         (initialize_lock_once): New static function.
3450         (Initialize_lock::Initialize_lock): Define.
3451         (Initialize_lock::initialize): Define.
3452         * target-select.h: Include "gold-threads.h".
3453         (class Target_selector): Add lock_ and initialize_lock_ fields.
3454         Don't define instantiate_target, just declare it.
3455         * target-select.cc (Target_selector::Target_selector): Initialize
3456         new fields.
3457         (Target_selector::instantiate_target): Define.
3458         * descriptors.h: Include "gold-threads.h".
3459         (class Descriptors): Add initialize_lock_ field.
3460         * descriptors.cc (Descriptors::Descriptors): Initialize new
3461         field.
3462         (Descriptors::open): Use initialize_lock_ field
3463         * errors.h (class Errors): Add initialize_lock_ field.
3464         * errors.cc (Errors::Errors): Initialize new field.
3465         (Errors::initialize_lock): Use initialize_lock_ field.
3466         * powerpc.cc (class Target_selector_powerpc): Remove
3467         instantiated_target_ field.  In do_recognize call
3468         instantiate_target rather than do_instantiate_target.  In
3469         do_instantiate_target just allocate a new target.
3470         * sparc.cc (class Target_selector_sparc): Likewise.
3471
3472         * freebsd.h: New file.
3473         * i386.cc: Include "freebsd.h".
3474         (Target_i386): Derive from Target_freebsd rather than
3475         Sized_target.
3476         (Target_selector_i386): Derive from Target_selector_freebsd rather
3477         than Target_selector.
3478         * x86_64.cc: Include "freebsd.h".
3479         (Target_x86_64): Derive from Target_freebsd rather than
3480         Sized_target.
3481         (Target_selector_x86_64): Derive from Target_selector_freebsd
3482         rather than Target_selector.
3483         * target.h (class Target): Add adjust_elf_header and
3484         do_adjust_elf_header.
3485         * output.cc (Output_file_header:: do_sized_write): Call target
3486         adjust_elf_header routine.
3487         * configure.tgt: Set targ_osabi.
3488         * configure.ac: Define GOLD_DEFAULT_OSABI.
3489         * parameters.cc (Parameters::default_target): Pass
3490         GOLD_DEFAULT_OSABI to select_target.
3491         * target-select.h (class Target_selector): Make instantiate_target
3492         protected rather than private.
3493         * Makefile.am (HFILES): Add freebsd.h.
3494         * configure, Makefile.in, config.in: Rebuild.
3495
3496         * merge.cc (do_add_input_section): Correct pend value.  Change
3497         message about last entry not being null terminated from error to
3498         warning.
3499
3500 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
3501
3502         * incremental.cc: New file.
3503         * Makefile.am (CCFILES): Add incremental.cc.
3504         * Makefile.in: Rebuild.
3505
3506 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
3507
3508         * layout.cc (Layout::output_section_name): Preserve names
3509         of '.note.' sections.
3510
3511 2009-03-19  Ian Lance Taylor  <iant@google.com>
3512
3513         * descriptors.cc (Descriptors::open): Check that the options are
3514         valid before using them.
3515
3516 2009-03-18  Ian Lance Taylor  <iant@google.com>
3517
3518         * script-sections.h: Include <list>.
3519         (class Script_sections): Change Sections_elements from std::vector
3520         to std::list.  Typedef public Elements_iterator.  Add
3521         orphan_section_placement_, data_segment_align_start_, and
3522         saw_data_segment_align_ fields.  Remove data_segment_align_index_
3523         field.
3524         * script-sections.cc (class Orphan_section_placement): New class.
3525         (class Sections_element): Add virtual functions is_relro and
3526         orphan_section_init.  Remove virtual function place_orphan_here.
3527         (class Output_section_definition): Add is_relro and
3528         orphan_section_init.  Remove place_orphan_here.
3529         (class Orphan_output_section): Likewise.
3530         (Script_sections::Script_sections): Update for field changes.
3531         (Script_sections::data_segment_align): Set saw_data_segment_align_
3532         and data_segment_align_start_, not data_segment_align_index.
3533         (Script_sections::data_segment_relro_end): Check
3534         saw_data_segment_align_.  Use data_segment_align_start_ rather
3535         than data_segment_align_index_.
3536         (Script_sections::place_orphan): Rewrite to use
3537         Orphan_section_placement.
3538
3539 2009-03-17  Ian Lance Taylor  <iant@google.com>
3540
3541         * archive.cc (Archive::add_symbols): Check for a version attached
3542         to the symbol name in the archive map.
3543         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
3544         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
3545         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
3546         (ver_test_11.a): New target.
3547         * testsuite/Makefile.in: Rebuild.
3548
3549         * configure.ac: Check for chsize and posix_fallocate.  Replace
3550         ftruncate.
3551         * ftruncate.c: New file, from gnulib.
3552         * output.cc (posix_fallocate): Define dummy version if not
3553         HAVE_POSIX_FALLOCATE.
3554         (Output_file::map): Call posix_fallocate rather than lseek and
3555         write.
3556         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
3557         * configure, Makefile.in, config.in: Rebuild.
3558
3559 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
3560
3561         * layout.h (Layout::create_note): Add section_name parameter.
3562         * layout.cc (Layout::create_note): Likewise.
3563         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
3564
3565 2009-03-17  Ian Lance Taylor  <iant@google.com>
3566
3567         * descriptors.cc: Include "options.h".
3568         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
3569         (Descriptors::open): Always use O_CLOEXEC when opening a new
3570         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
3571         then set FD_CLOEXEC.
3572
3573         * sparc.cc (class Target_sparc): Add has_got_section.
3574         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
3575         make sure we have a GOT section.
3576
3577         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
3578         (Target_sparc::Scan::local): Likewise.
3579         (Target_sparc::Scan::global): Likewise.
3580         (Target_sparc::Relocate::relocate): Likewise.
3581         (Target_sparc::Relocate::relocate_tls): Likewise.
3582
3583         * symtab.cc (Symbol_table::define_default_version): New function,
3584         broken out of add_from_object.
3585         (Symbol_table::add_from_object): Call define_default_version.
3586         (Symbol_table::define_special_symbol): Add resolve_oldsym
3587         parameter.  Change all callers.  If the version for a symbol comes
3588         from a version script, resolve it with the symbol with the same
3589         name with no version.  Also add the symbol without a version if
3590         appropriate.
3591         (do_define_in_output_data): If resolving with oldsym, don't delete
3592         sym.
3593         (do_define_in_output_segment): Likewise.
3594         (do_define_as_constant): Likewise.
3595         * symtab.h (class Symbol_table): Update declarations.
3596
3597 2009-03-13  Ian Lance Taylor  <iant@google.com>
3598
3599         * readsyms.cc (Read_symbols::incompatible_warning): New function.
3600         (Read_symbols::requeue): New function.
3601         (Read_symbols::do_read_symbols): If make_elf_object fails because
3602         the target type is not configured, and the file was searched for,
3603         issue a warning and retry with the next directory.
3604         (Add_symbols::run): If the file has an incompatible format, and
3605         it was searched for, requeue the Read_symbols task.  On error,
3606         release the object.
3607         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
3608         dirindex parameter to constructor.  Change all callers.  Declare
3609         incompatible_warning and requeue.
3610         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
3611         input_argument_ and input_group_ fields.  Add them to
3612         constructor.  Change all callers.
3613         (class Read_script): Add dirindex_ field.  Add it to constructor.
3614         Change all callers.
3615         * archive.cc (Archive::setup): Remove input_objects parameter.
3616         Change all callers.
3617         (Archive::get_file_and_offset): Likewise.
3618         (Archive::read_all_symbols): Likewise.
3619         (Archive::read_symbols): Likewise.
3620         (Archive::get_elf_object_for_member): Remove input_objects
3621         parameter.  Add punconfigured parameter.  Change all callers.
3622         (Archive::add_symbols): Change return type to bool.  Check return
3623         value of include_member.
3624         (Archive::include_all_members): Likewise.
3625         (Archive::include_member): Change return type to bool.  Return
3626         false if first included object has incompatible target.  Set
3627         included_member_ field.
3628         (Add_archive_symbols::run): If add_symbols returns false, requeue
3629         Read_symbols task.
3630         * archive.h (class Archive): Add included_member_ field.
3631         Initialize it in constructor.  Add input_file and searched_for
3632         methods.  Update declarations.
3633         (class Add_archive_symbols): Add dirpath_, dirindex_, and
3634         input_argument_ fields.  Add them to constructor.  Change all
3635         callers.
3636         * script.cc: Include "target-select.h".
3637         (class Parser_closure): Add skip_on_incompatible_target_ and
3638         found_incompatible_target_ fields.  Add
3639         skip_on_incompatible_target parameter to constructor.  Change all
3640         callers.  Add methods skip_on_incompatible_target,
3641         clear_skip_on_incompatible_target, found_incompatible_target, and
3642         set_found_incompatible_target.
3643         (read_input_script): Add dirindex parameter.  Change all callers.
3644         If parser finds an incompatible target, requeue Read_symbols
3645         task.
3646         (script_set_symbol): Clear skip_on_incompatible_target in
3647         closure.
3648         (script_add_assertion, script_parse_option): Likewise.
3649         (script_start_sections, script_add_phdr): Likewise.
3650         (script_check_output_format): New function.
3651         * script.h (read_input_script): Update declaration.
3652         * script-c.h (script_check_output_format): Declare.
3653         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
3654         (ignore_cmd): Remove OUTPUT_FORMAT.
3655         * fileread.cc (Input_file::Input_file): Add explicit this.
3656         (Input_file::will_search_for): New function.
3657         (Input_file::open): Add pindex parameter.  Change all callers.
3658         * fileread.h (class Input_file): Add input_file_argument method.
3659         Declare will_search_for.  Update declarations.
3660         * object.cc (make_elf_object): Add punconfigured parameter.
3661         Change all callers.
3662         * object.h (class Object): Make input_file public.  Add
3663         searched_for method.
3664         (make_elf_object): Update declaration.
3665         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
3666         restart search.
3667         * dirsearch.h (class Dirsearch): Update declaration.
3668         * options.h (class General_options): Add --warn-search-mismatch.
3669         * parameters.cc (Parameters::is_compatible_target): New function.
3670         * parameters.h (class Parameters): Declare is_compatible_target.
3671         * workqueue.cc (Workqueue::add_blocker): New function.
3672         * workqueue.h (class Workqueue): Declare add_blocker.
3673
3674         * fileread.cc (Input_file::open): Remove options parameter.
3675         Change all callers.
3676         (Input_file::open_binary): Likewise.
3677         * script.cc (read_input_script): Likewise.
3678         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
3679         options parameter from constructor.  Change all callers.
3680         (class Read_script): Likewise.
3681         * fileread.h (class Input_file): Update declarations.
3682         * script.h (read_input_script): Update declaration.
3683
3684 2009-03-10  Nick Clifton  <nickc@redhat.com>
3685
3686         * po/es.po: New Spanish translation.
3687
3688 2009-03-06  Cary Coutant  <ccoutant@google.com>
3689
3690         * options.cc (parse_short_option): Keep dash_z from registering itself.
3691
3692 2009-03-03  Ian Lance Taylor  <iant@google.com>
3693
3694         PR 9918
3695         * target-reloc.h (relocate_section): Pass output_section to
3696         relocate.
3697         * i386.cc (Target_i386::should_apply_static_reloc): Add
3698         output_section parameter.  Change all callers.
3699         (Target_i386::Relocate::relocate): Add output_section parameter.
3700         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3701         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
3702         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
3703         * testsuite/two_file_shared.sh: New script.
3704         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
3705         (check_DATA): Add two_file_shared.dbg.
3706         (two_file_shared.dbg): New target.
3707         * testsuite/Makefile.in: Rebuild.
3708
3709 2009-03-01  Ian Lance Taylor  <iant@google.com>
3710
3711         * configure.ac: Check for byteswap.h.
3712         * configure: Rebuild.
3713         * config.in: Rebuild.
3714
3715 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
3716
3717         * layout.cc (Layout::find_or_add_kept_section): New function.
3718         (Layout::add_comdat): Removed.
3719         * layout.h (struct Kept_section): Move out of class Layout.
3720         Remove trailing underscores from field names.  Add group_sections
3721         field.  Rename group_ field to is_group.  Change all uses.
3722         (class Layout): Declare find_or_add_kept_section, not add_comdat.
3723         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
3724         comdat_groups_ field.
3725         (Sized_relobj::include_section_group): Use
3726         find_or_add_kept_section and Kept_section::group_sections.
3727         (Sized_relobj::include_linkonce_section): Likewise.
3728         * object.cc (class Sized_relobj): Don't define Comdat_group or
3729         Comdat_group_table.  Remove find_comdat_group and
3730         add_comdat_group.  Remove comdat_groups_ field.
3731         * plugin.cc (include_comdat_group): Use
3732         Layout::find_or_add_kept_section.
3733
3734 2009-02-28  Ian Lance Taylor  <iant@google.com>
3735
3736         * README: --gc-sections and map files are now supported.  Document
3737         some build requirements.
3738
3739         PR 6992
3740         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
3741         relocatable link set the value of the section symbol to zero.
3742         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
3743         relocatable link don't include the section address in the local
3744         symbol value.
3745
3746 2009-02-27  Ian Lance Taylor  <iant@google.com>
3747
3748         PR 6811
3749         * options.h (class Search_directory): Add is_system_directory.
3750         (class General_options): Declare is_in_system_directory.
3751         * options.cc (get_relative_sysroot): Make static.
3752         (get_default_sysroot): Make static.
3753         (General_optoins::is_in_system_directory): New function.
3754         * fileread.cc (Input_file::is_in_system_directory): New function.
3755         * fileread.h (class Input_file): Declare is_in_system_directory.
3756         * object.h (class Object): Add is_in_system_directory.
3757         (class Input_objects): Remove system_library_directory_ field.
3758         * object.cc (Input_objects::add_object): Don't set
3759         system_library_directory_.
3760         (input_objects::found_in_system_library_directory): Remove.
3761         * symtab.cc (Symbol_table::write_globals): Remove input_objects
3762         parameter.  Change all callers.
3763         (Symbol_table::sized_write_globals): Likewise.
3764         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
3765         Call Object::is_in_system_directory.
3766         * symtab.h (class Symbol_table): Update declarations.
3767
3768         PR 5990
3769         * descriptors.h (Open_descriptor): Add is_on_stack field.
3770         * descriptors.cc (Descriptors::open): If the descriptor is on the
3771         top of the stack, remove it.  Initialize is_on_stack field.
3772         (Descriptors::release): Only add pod to stack if it is not on the
3773         stack already.
3774         (Descriptors::close_some_descriptor): Clear stack_next and
3775         is_on_stack fields.
3776
3777         PR 7091
3778         * output.cc (Output_section::find_starting_output_address): Rename
3779         from starting_output_address; add PADDR parameter; change return
3780         type.
3781         * output.h (class Output_section): Declare
3782         find_starting_output_address instead of starting_output_address.
3783         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
3784         section symbol for which we can't find a merge section.
3785
3786         PR 9836
3787         * symtab.cc (Symbol_table::add_from_object): If the visibility is
3788         hidden or internal, force the symbol to be local.
3789         * resolve.cc (Symbol::override_visibility): Define.
3790         (Symbol::override_base): Use override_visibility.
3791         (Symbol_table::resolve): Likewise.
3792         (Symbol::override_base_with_special): Likewise.
3793         (Symbol_table::override_with_special): If the visibility is hidden
3794         or internal, force the symbol to be local.
3795         * symtab.h (class Symbol): Add set_visibility and
3796         override_visibility.
3797         * testsuite/ver_test_1.sh: New file.
3798         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
3799         (check_DATA): Add ver_test_1.syms.
3800         (ver_test_1.syms): New target.
3801         * testsuite/Makefile.in: Rebuild.
3802
3803 2009-02-25  Cary Coutant  <ccoutant@google.com>
3804
3805         * layout.cc (Layout::choose_output_section): Don't rename sections
3806         when using a linker script that has a SECTIONS clause.
3807         * Makefile.in: Regenerate.
3808
3809         * testsuite/Makefile.am (script_test_5.sh): New test case.
3810         * testsuite/Makefile.in: Regenerate.
3811         * testsuite/script_test_5.cc: New file.
3812         * testsuite/script_test_5.sh: New file.
3813         * testsuite/script_test_5.t: New file.
3814
3815 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
3816
3817         * archive.cc (Archive::include_member): Update calls to add_symbols.
3818         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
3819         the Layout argument.
3820         * dynobj.h (do_add_symbols): Add the Layout argument.
3821         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
3822         Layout argument.
3823         * object.h (Object::add_symbols): Add the Layout argument.
3824         (Object::do_add_symbols): Add the Layout argument.
3825         (Sized_relobj::do_add_symbols): Add the Layout argument.
3826         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
3827         Unify the two versions.
3828         (Add_plugin_symbols): Remove.
3829         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
3830         (Sized_pluginobj::do_add_symbols): Unify the two versions.
3831         (Add_plugin_symbols): Remove.
3832         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
3833         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
3834         (Add_symbols::run): Make it work with Pulginobj.
3835
3836 2009-02-06  Ian Lance Taylor  <iant@google.com>
3837
3838         * object.cc (Sized_relobj::do_layout): Make info message start
3839         with lower case letter.
3840
3841 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
3842
3843         * binary.cc: Fix file comment.
3844
3845         * options.h (enum Incremental_disposition): Define.
3846         (class General_options): Add new options: --incremental,
3847         --incremental_changed, --incremental_unchanged,
3848         --incremental_unknown.  Add incremental_disposition_ and
3849         implicit_incremental_ fields.
3850         (General_options::incremental_disposition): New function.
3851         (class Position_dependent_options): Add incremental_disposition
3852         option.
3853         (Position_dependent_options::copy_from_options): Set incremental
3854         dispositions.
3855         * options.cc (General_options::parse_incremental_changed): New
3856         function.
3857         (General_options::parse_incremental_unchanged): New function.
3858         (General_options::parse_incremental_unknown): New function.
3859         (General_options::General_options): Initialize new fields
3860         incremental_disposition_ and implicit_incremental_.
3861         (General_options::finalize): Check for uasge of --incremental-*
3862         without --incremental.
3863
3864 2009-02-06  Chris Demetriou  <cgd@google.com>
3865
3866         * gold.h (gold_undefined_symbol): Change to take only a Symbol
3867         pointer and to report location as the file name associated with
3868         the symbol.
3869         (gold_undefined_symbol_at_location): New function to replace the
3870         old gold_undefined_symbol functionality.
3871         * target-reloc.h (relocate_section): Update to use
3872         gold_undefined_symbol_at_location.
3873         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3874         Call gold_undefined_symbol function rather than gold_error.
3875         * errors.h (Errors::undefined_symbol): Take location as a
3876         string, rather than calculating it from a relocation.
3877         * errors.cc (Errors::fatal): Print "fatal error:" before the
3878         formatted message.
3879         (Errors::error, Errors::error_at_location): Print "error: "
3880         before the formatted message.
3881         (Errors::undefined_symbol): Take location as a string, rather
3882         than calculating it from a relocation.
3883         (gold_undefined_symbol_at_location): New function akin to
3884         old gold_undefined_symbol, calculates location from relocation.
3885         (gold_undefined_symbol): Change to take only a Symbol pointer
3886         and to report location as the file name associated with the symbol.
3887         * testsuite/debug_msg.sh: Update for changed error messages.
3888         * testsuite/undef_symbol.sh: Likewise.
3889
3890 2009-02-04  Duncan Sands  <baldrick@free.fr>
3891
3892         PR 9812
3893         * reduced_debug_output.h
3894         (Output_reduced_debug_abbrev_section::failed): Use format for
3895         gold_warning.
3896         (Output_reduced_debug_info_section::faild): Likewise.
3897
3898 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
3899
3900         * script.cc (Lazy_demangler): New class.
3901         (Version_script_info::get_symbol_version_helper): Demangle a
3902         symbol only once.
3903
3904 2009-01-29  Cary Coutant  <ccoutant@google.com>
3905
3906         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3907         to __tls_get_addr.
3908         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3909
3910 2009-01-28  Ian Lance Taylor  <iant@google.com>
3911
3912         * version.cc (version_string): Bump to 1.9.
3913
3914         * gold.h: Include <cstring> and <stdint.h>.
3915         * version.cc: Include <cstdio>.
3916         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3917         warning.
3918         * reduced_debug_output.cc (insert_into_vector): Rename from
3919         Insert_into_vector; change all callers.  Use Swap_unaligned to
3920         avoid aliasing issue; remove union since it is unnecessary.
3921
3922 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
3923
3924         * Makefile.am (CCFILES): Add gc.cc.
3925         (HFILES): Add gc.h.
3926         * Makefile.in: Regenerate.
3927         * gold.cc (Gc_runner): New class.
3928         (queue_initial_tasks): Call garbage collection related tasks
3929         when corresponding options are invoked.
3930         (queue_middle_gc_tasks): New function.
3931         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3932         processed early before laying out sections during garbage collection.
3933         * gold.h (queue_middle_gc_tasks): New function.
3934         (is_prefix_of): Move from "layout.cc".
3935         * i386.cc (Target_i386::gc_process_relocs): New function.
3936         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3937         * main.cc (main): Create object of class "Garbage_collection".
3938         * object.cc (Relobj::copy_symbols_data): New function.
3939         (Relobj::is_section_name_included): New function.
3940         (Sized_relobj::do_layout): Allow this function to be called twice
3941         during garbage collection and defer layout of section during the
3942         first call.
3943         * object.h (Relobj::get_symbols_data): New function.
3944         (Relobj::is_section_name_included): New function.
3945         (Relobj::copy_symbols_data): New function.
3946         (Relobj::set_symbols_data): New function.
3947         (Relobj::get_relocs_data): New function.
3948         (Relobj::set_relocs_data): New function.
3949         (Relobj::is_output_section_offset_invalid): New pure virtual function.
3950         (Relobj::gc_process_relocs): New function.
3951         (Relobj::do_gc_process_relocs): New pure virtual function.
3952         (Relobj::sd_): New data member.
3953         (Sized_relobj::is_output_section_offset_invalid): New function.
3954         (Sized_relobj::do_gc_process_relocs): New function.
3955         * options.h (General_options::gc_sections): Modify to not be a no-op.
3956         (General_options::print_gc_sections): New option.
3957         * plugin.cc (Plugin_finish::run): Remove function call to
3958         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
3959         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3960         * reloc.cc (Read_relocs::run): Add task to process relocs and
3961         determine unreferenced sections when doing garbage collection.
3962         (Gc_process_relocs): New class.
3963         (Sized_relobj::do_gc_process_relocs): New function.
3964         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3965         sections that are garbage collected.
3966         * reloc.h (Gc_process_relocs): New class.
3967         * sparc.cc (Target_sparc::gc_process_relocs): New function.
3968         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3969         symbols whose corresponding sections are garbage collected.
3970         (Symbol_table::Symbol_table): Add new parameter for the garbage
3971         collection object.
3972         (Symbol_table::gc_mark_undef_symbols): New function.
3973         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3974         (Symbol_table::gc_mark_dyn_syms): New function.
3975         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3976         as garbage.
3977         (Symbol_table::add_from_object): Likewise.
3978         (Symbol_table::add_from_relobj): When building shared objects, do not
3979         treat externally visible symbols as garbage.
3980         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3981         table information for static and relocatable links.
3982         * symtab.h (Symbol_table::set_gc): New function.
3983         (Symbol_table::gc): New function.
3984         (Symbol_table::gc_mark_undef_symbols): New function.
3985         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3986         (Symbol_table::gc_mark_dyn_syms): New function.
3987         (Symbol_table::gc_): New data member.
3988         * target.h (Sized_target::gc_process_relocs): New pure virtual
3989         function.
3990         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3991         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3992
3993 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
3994
3995         * options.h (General_options::gc_sections): Define as a no-op for now.
3996         (General_options::no_keep_memory): Ditto.
3997         (General_options::Bshareable): Define.
3998         * options.cc (General_options::finalize): Honor -Bshareable.
3999
4000 2009-01-20  Andreas Schwab  <schwab@suse.de>
4001
4002         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
4003         read the value in the contents, since we don't use it.  Use the
4004         template endianness when writing.
4005         (Relocate::relocate): Use it for R_PPC_REL16_HA.
4006
4007 2009-01-19  Andreas Schwab  <schwab@suse.de>
4008
4009         * configure.tgt (powerpc64-*): Fix targ_obj.
4010
4011 2009-01-15  Ian Lance Taylor  <iant@google.com>
4012
4013         * object.cc (Sized_relobj::write_local_symbols): Don't write out
4014         local symbols when stripping all symbols.
4015
4016 2009-01-14  Cary Coutant  <ccoutant@google.com>
4017
4018         * output.cc (Output_reloc): Add explicit instantiations.
4019
4020 2009-01-14  Cary Coutant  <ccoutant@google.com>
4021
4022         * archive.cc (Archive::get_elf_object_for_member): Remove call
4023         to File_read::claim_for_plugin.
4024         * descriptors.cc (Descriptors::open): Remove reference to
4025         is_claimed.
4026         (Descriptors::claim_for_plugin): Remove.
4027         * descriptors.h (Descriptors::claim_for_plugin): Remove.
4028         (Descriptors::is_claimed): Remove.
4029         (claim_descriptor_for_plugin): Remove.
4030         * fileread.cc (File_read::claim_for_plugin): Remove.
4031         * fileread.h (File_read::claim_for_plugin): Remove.
4032         (File_read::descriptor): Reopen descriptor if necessary.
4033         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
4034         (Plugin_manager::all_symbols_read): Add task parameter. Change
4035         all callers.
4036         (Plugin_manager::get_input_file): New function.
4037         (Plugin_manager::release_input_file): New function.
4038         (Pluginobj::Pluginobj): Add filesize parameter and initialize
4039         corresponding data member.
4040         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
4041         and pass to base constructor. Change all callers.
4042         (get_input_file, release_input_file): New functions.
4043         (make_sized_plugin_object): Add filesize parameter. Change all callers.
4044         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
4045         (Plugin_manager::all_symbols_read): Add task parameter.
4046         (Plugin_manager::get_input_file): New function.
4047         (Plugin_manager::release_input_file): New function.
4048         (Plugin_manager::task_): New data member.
4049         (Pluginobj::Pluginobj): Add filesize parameter.
4050         (Pluginobj::filename): New function.
4051         (Pluginobj::descriptor): New function.
4052         (Pluginobj::filesize): New function.
4053         (Pluginobj::filesize_): New data member.
4054         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
4055         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
4056         File_read::claim_for_plugin; use Object::unlock to unlock the file.
4057
4058         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
4059         with archive libraries.
4060         * testsuite/Makefile.in: Regenerate.
4061         * testsuite/plugin_test.c (struct sym_info): New type.
4062         (get_input_file, release_input_file): New static variables.
4063         (onload): Capture new transfer vector entries.
4064         (claim_file_hook): Stop reading at end of file according to filesize.
4065         Factor out parsing of readelf output into separate function.
4066         (all_symbols_read_hook): Exercise get_input_file and release_input_file
4067         APIs and get the source file name from the symbol table.  Convert
4068         source file name to corresponding object file name.  Print info
4069         message when adding new input files.
4070         (parse_readelf_line): New function.
4071         * testsuite/plugin_test_1.sh: Add checks for new info messages.
4072         * testsuite/plugin_test_2.sh: Likewise.
4073         * testsuite/plugin_test_3.sh: Likewise.
4074         * testsuite/plugin_test_4.sh: New test case.
4075
4076 2009-01-07  Ian Lance Taylor  <iant@google.com>
4077
4078         * version.cc (version_string): Bump to 1.8.
4079
4080 2008-12-23  Cary Coutant  <ccoutant@google.com>
4081
4082         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
4083         * plugin.cc (Plugin_manager::finish): Rename as
4084         layout_deferred_objects.  Move cleanup to separate function.
4085         (Plugin_manager::cleanup): New function.
4086         (Plugin_finish::run): Call layout_deferred_objects and cleanup
4087         separately.
4088         * plugin.h (Plugin_manager::finish): Rename as
4089         layout_deferred_objects.
4090         (Plugin_manager::cleanup): New function.
4091         (Plugin_manager::cleanup_done): New field.
4092
4093 2008-12-23  Cary Coutant  <ccoutant@google.com>
4094
4095         * plugin.cc (is_visible_from_outside): New function.
4096         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
4097         so we don't return "IR only" status for exported symbols or -r links.
4098
4099         * testsuite/Makefile.am (plugin_test_3): New test case.
4100         * testsuite/Makefile.in: Regenerate.
4101         * testsuite/plugin_test_3.sh: New file.
4102
4103 2008-12-22  Cary Coutant  <ccoutant@google.com>
4104
4105         * object.cc (Sized_relobj::layout_section): New function.
4106         (Sized_relobj::do_layout): Defer layout of input sections until after
4107         plugin has provided replacement files.
4108         (Sized_relobj::do_layout_deferred_sections): New function.
4109         * object.h (Relobj::set_section_offset): Remove virtual keyword.
4110         (Relobj::layout_deferred_sections): New function.
4111         (Relobj::do_layout_deferred_sections): New function.
4112         (Sized_relobj::do_layout_deferred_sections): New function.
4113         (Sized_relobj::layout_section): New function.
4114         (Sized_relobj::Deferred_layout): New structure.
4115         (Sized_relobj::deferred_layout_): New field.
4116         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
4117         Change all callers.  Layout deferred sections.
4118         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
4119         references.
4120         (Plugin_hook::run): Move code from do_plugin_hook inline.
4121         (Plugin_hook::do_plugin_hook): Remove.
4122         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
4123         (Plugin_manager::finish): Renamed, was cleanup.
4124         (Plugin_manager::should_defer_layout): New function.
4125         (Plugin_manager::add_deferred_layout_object): New function.
4126         (Plugin_manager::Deferred_layout_list): New type.
4127         (Plugin_manager::deferred_layout_objects_): New field.
4128         (Plugin_hook::do_plugin_hook): Remove.
4129
4130 2008-12-17  Ian Lance Taylor  <iant@google.com>
4131
4132         * options.h (class General_options): Add --no case for
4133         --export-dynamic.
4134
4135 2008-12-16  Cary Coutant  <ccoutant@google.com>
4136
4137         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
4138         vector.
4139         (Plugin_manager::claim_file): Create plugin object even if
4140         plugin did not call the add_symbols callback.
4141         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
4142         asking for more symbols than were added.
4143         * testsuite/Makefile.am (plugin_test_1): Add test case with
4144         no global symbols.
4145         (empty.syms): New target.
4146         * testsuite/Makefile.in: Regenerate.
4147         * testsuite/plugin_test.c (claim_file_hook): Add new debug
4148         message. Don't call add_symbols if no globals.
4149         (all_symbols_read_hook): Don't provide replacement for empty
4150         claimed file.
4151
4152 2008-12-12  Ian Lance Taylor  <iant@google.com>
4153
4154         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
4155         r_type == 0 for a local symbol with r_sym == 0.
4156         (scan_relocatable_relocs): Pass r_sym to
4157         local_non_section_strategy.
4158         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
4159         r_sym parameter.
4160
4161         * configure.ac: Update test for TLS descriptors: they are
4162         supported as of glibc 2.9.
4163         * configure: Rebuild.
4164
4165 2008-12-11  Ian Lance Taylor  <iant@google.com>
4166
4167         PR 7091
4168         * target-reloc.h (Default_scan_relocatable_relocs): For each
4169         function, map r_type == 0 to RELOC_DISCARD.
4170
4171 2008-12-10  Cary Coutant  <ccoutant@google.com>
4172
4173         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
4174         object to override a kept COMDAT group from a plugin object.
4175
4176 2008-12-09  Ian Lance Taylor  <iant@google.com>
4177
4178         PR 7088
4179         * yyscript.y (file_cmd): Handle INPUT.
4180
4181         * testsuite/initpri1.c: Change all declarations to be full
4182         prototypes by adding void, to avoid compiler warnings.
4183
4184 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
4185
4186         * options.cc (General_options::parse_plugin_opt): New.
4187         (General_options::add_plugin): The argument now is just the filename.
4188         (General_options::add_plugin_option): New.
4189         * options.h (plugin_opt): New.
4190         (add_plugin): Change argument name.
4191         (add_plugin_option): New.
4192         * plugin.cc (Plugin::load): Don't parse the plugin option.
4193         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
4194         (Plugin::add_option): New.
4195         (Plugin::args_): Change type.
4196         (Plugin::filename_): New.
4197         (Plugin_manager::add_plugin_option): New.
4198         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
4199         * testsuite/Makefile.in: Regenerate.
4200
4201 2008-12-05  Cary Coutant  <ccoutant@google.com>
4202
4203         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
4204         Handle --strip-lto-sections option.
4205         * options.h (strip_lto_sections): New option.
4206
4207 2008-12-01  Cary Coutant  <ccoutant@google.com>
4208
4209         * plugin.cc (ld_plugin_message): Change format parameter to const.
4210         Fix mismatch between new[] and delete.
4211
4212 2008-11-14  Cary Coutant  <ccoutant@google.com>
4213
4214         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
4215         instead of -1U.
4216
4217 2008-11-05  Craig Silverstein  <csilvers@google.com>
4218
4219         * options.cc (General_options::parse_dynamic_list): New function.
4220         * options.h (General_options): New flags dynamic_list,
4221         dynamic_list_data, dynamic_list_cpp_new, and
4222         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
4223         (General_options::in_dynamic_list): New function.
4224         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
4225         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
4226         (Lex::can_continue_name): Likewise.
4227         (yylex): Likewise.
4228         (read_script_file): New parameter script_options.
4229         (read_dynamic_list): New function.
4230         (Script_options::define_dynamic_list): New function.
4231         (dynamic_list_keyword_parsecodes): New variable.
4232         (dynamic_list_keywords): New variable.
4233         * script.h (Script_options::define_dynamic_list): New function
4234         prototype.
4235         (read_dynamic_list): New function prototype.
4236         * symtab.cc (strprefix): New macro.
4237         (Symbol::should_add_dynsym_entry): Support dynamic_list,
4238         dynamic_list_data, dynamic_list_cpp_new, and
4239         dynamic_list_cpp_typeinfo.
4240         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
4241         (dynamic_list_expr): New rule.
4242         (dynamic_list_nodes): Likewise.
4243         (dynamic_list_node): Likewise.
4244         * testsuite/Makefile.am (dynamic_list): New test.
4245         * testsuite/Makefile.in: Regenerated.
4246         * testsuite/dynamic_list.t: New file.
4247         * testsuite/dynamic_list.sh: New file.
4248
4249 2008-11-05  Craig Silverstein  <csilvers@google.com>
4250
4251         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
4252         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
4253         (t11_last): Likewise.
4254         * testsuite/ver_test_6.c (main): Likewise.
4255
4256 2008-10-07  Cary Coutant  <ccoutant@google.com>
4257
4258         * options.c (General_options::finalize): Add check for -static and
4259         -shared.
4260         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
4261         is not empty.
4262
4263 2008-10-02  Cary Coutant  <ccoutant@google.com>
4264
4265         * plugin.cc (make_sized_plugin_object): Fix conditional
4266         compilation to work when not all targets are enabled.
4267
4268 2008-09-29  Cary Coutant  <ccoutant@google.com>
4269
4270         * archive.cc (Archive::get_file_and_offset): Use filename instead
4271         of name to get library path.
4272         (Archive::include_member): Unlock external member of a thin archive.
4273
4274         * testsuite/Makefile.am (TEST_AR): New variable.
4275         (thin_archive_test_1): New test.
4276         (thin_archive_test_2): New test.
4277         * testsuite/Makefile.in: Regenerate.
4278         * testsuite/thin_archive_main.cc: New file.
4279         * testsuite/thin_archive_test_1.cc: New file.
4280         * testsuite/thin_archive_test_2.cc: New file.
4281         * testsuite/thin_archive_test_3.cc: New file.
4282         * testsuite/thin_archive_test_4.cc: New file.
4283
4284 2008-09-29  Cary Coutant  <ccoutant@google.com>
4285
4286         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
4287         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
4288         instead of -1U.
4289         (Sized_relobj::do_finalize_local_symbols): Likewise.
4290         (Sized_relobj::map_to_kept_section): Likewise.
4291         * object.h (Sized_relobj::invalid_address): New constant.
4292         (Sized_relobj::do_output_section_offset): Check for invalid_address
4293         and return -1ULL.
4294         * output.cc (Output_reloc::local_section_offset): Use constant
4295         invalid_address instead of -1U.
4296         (Output_reloc::get_address): Likewise.
4297         (Output_section::output_address): Change -1U to -1ULL.
4298         * output.h (Output_reloc::invalid_address): New constant.
4299         * reloc.cc (Sized_relobj::write_sections): Use constant
4300         invalid_address instead of -1U.
4301         (Sized_relobj::relocate_sections): Likewise.
4302         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
4303         values for merge sections.
4304         * target-reloc.h (relocate_for_relocatable): Use constant
4305         invalid_address instead of -1U.
4306
4307 2008-09-19  Cary Coutant  <ccoutant@google.com>
4308
4309         Add plugin functionality for link-time optimization (LTO).
4310         * configure.ac (plugins): Add --enable-plugins option.
4311         * configure: Regenerate.
4312         * config.in: Regenerate.
4313         * Makefile.am (LIBDL): New variable.
4314         (CCFILES): Add plugin.cc.
4315         (HFILES): Add plugin.h.
4316         (ldadd_var): Add LIBDL.
4317         * Makefile.in: Regenerate.
4318
4319         * archive.cc: Include "plugin.h".
4320         (Archive::setup): Don't preread archive symbols when using a plugin.
4321         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
4322         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
4323         files.
4324         (Archive::include_member): Add symbols from plugin objects.
4325         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
4326         * descriptors.cc (Descriptors::open): Check for file descriptors
4327         abandoned by plugins.
4328         (Descriptors::claim_for_plugin): New function.
4329         * descriptors.h (Descriptors::claim_for_plugin): New function.
4330         (Open_descriptor::is_claimed): New field.
4331         (claim_descriptor_for_plugin): New function.
4332         * fileread.cc (File_read::claim_for_plugin): New function.
4333         * fileread.h (File_read::claim_for_plugin): New function.
4334         (File_read::descriptor): New function.
4335         * gold.cc: Include "plugin.h".
4336         (queue_initial_tasks): Add task to call plugin hooks for generating
4337         new object files.
4338         * main.cc: Include "plugin.h".
4339         (main): Load plugin libraries.
4340         * object.h (Pluginobj): Declare.
4341         (Object::pluginobj): New function.
4342         (Object::do_pluginobj): New function.
4343         (Object::set_target): New function.
4344         * options.cc: Include "plugin.h".
4345         (General_options::parse_plugin): New function.
4346         (General_options::General_options): Initialize plugins_ field.
4347         (General_options::add_plugin): New function.
4348         * options.h (Plugin_manager): Declare.
4349         (General_options): Add --plugin option.
4350         (General_options::has_plugins): New function.
4351         (General_options::plugins): New function.
4352         (General_options::add_plugin): New function.
4353         (General_options::plugins_): New field.
4354         * plugin.cc: New file.
4355         * plugin.h: New file.
4356         * readsyms.cc: Include "plugin.h".
4357         (Read_symbols::do_read_symbols): Check for archive before checking
4358         for ELF file.  Call plugin hooks to claim files.
4359         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
4360         from a real object file; force override when processing replacement
4361         files.
4362         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
4363         (Symbol::init_base_object): Likewise.
4364         (Symbol::init_base_output_data): Likewise.
4365         (Symbol::init_base_output_segment): Likewise.
4366         (Symbol::init_base_constant): Likewise.
4367         (Symbol::init_base_undefined): Likewise.
4368         (Symbol::output_section): Assert that object is not a plugin.
4369         (Symbol_table::add_from_pluginobj): New function.
4370         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
4371         undefined.
4372         (Symbol_table::sized_write_globals): Likewise.
4373         (Symbol_table::add_from_pluginobj): Instantiate template.
4374         * symtab.h (Sized_pluginobj): Declare.
4375         (Symbol::in_real_elf): New function.
4376         (Symbol::set_in_real_elf): New function.
4377         (Symbol::in_real_elf_): New field.
4378         (Symbol_table::add_from_pluginobj): New function.
4379
4380         * testsuite/Makefile.am (AM_CFLAGS): New variable.
4381         (LIBDL): New variable.
4382         (LDADD): Add LIBDL.
4383         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
4384         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
4385         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
4386         (MOSTLYCLEANFILES): Likewise.
4387         * testsuite/Makefile.in: Regenerate.
4388         * testsuite/plugin_test.c: New file.
4389         * testsuite/plugin_test_1.sh: New file.
4390         * testsuite/plugin_test_2.sh: New file.
4391
4392 2008-09-16  Ian Lance Taylor  <iant@google.com>
4393
4394         * target-reloc.h (relocate_section): Check whether a symbol is
4395         defined by the ABI before reporting an undefined symbol error.
4396         * target.h (Target::is_defined_by_abi): Make parameter const.
4397         (Target::do_is_defined_by_abi): Likewise.
4398         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
4399         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
4400         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
4401         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
4402         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
4403         * testsuite/Makefile.in: Rebuild.
4404
4405         * fileread.cc (make_view): Add casts to avoid warning.
4406
4407 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
4408
4409         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
4410         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
4411
4412 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
4413
4414         * options.h (General_options::output_is_executable): New.
4415         (General_options::output_is_pie): New.
4416         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
4417         for shared libraries.
4418         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
4419
4420 2008-09-11  Chris Demetriou  <cgd@google.com>
4421
4422         * options.h (origin): New -z option.
4423         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
4424         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
4425         in DT_FLAGS_1.
4426
4427 2008-09-05  Cary Coutant  <ccoutant@google.com>
4428
4429         * fileread.cc (File_read::make_view): Add check for attempt to map
4430         beyond end of file.
4431
4432 2008-09-05  Cary Coutant  <ccoutant@google.com>
4433
4434         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
4435         explicit instantiations.
4436
4437 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
4438
4439         PR gold/6858
4440         * options.cc (General_options::finalize): Allow undefined symbols
4441         in shlibs if linking -shared.
4442
4443         PR gold/6859
4444         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
4445         symbols as not needing a dynsym entry.
4446
4447 2008-08-20  Craig Silverstein  <csilvers@google.com>
4448
4449         * fileread.cc (File_read::open): Do not lock the file unless it
4450         was successfully opened.
4451
4452 2008-08-14  Cary Coutant  <ccoutant@google.com>
4453
4454         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
4455         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
4456         * testsuite/tls_test.cc (struct int128): 128-bit struct
4457         for testing TLS relocs with non-zero addend.
4458         (v12): New TLS variable.
4459         (t12): New test.
4460         (t_last): Add check for v12.
4461         * testsuite/tls_test.h (t12): New function.
4462         * testsuite/tls_test_main.cc (thread_routine): Call new test.
4463
4464 2008-08-13  Ian Lance Taylor  <iant@google.com>
4465
4466         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
4467         set tls_segment_ or relro_segment_.
4468         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
4469         when appropriate.
4470         * output.h (Output_section::clear_is_relro): New function.
4471         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
4472         sections specially even when output_data_ is empty.
4473         (Output_segment::maximum_alignment): When first section is relro,
4474         only force alignment for PT_LOAD segments.
4475         * script.cc (script_data_segment_align): New function.
4476         (script_data_segment_relro_end): New function.
4477         * script-c.h (script_data_segment_align): Declare.
4478         (script_data_segment_relro_end): Declare.
4479         * script-sections.h (class Script_sections): Declare
4480         data_segment_align and data_segment_relro_end.  Add fields
4481         segment_align_index_ and saw_relro_end_.
4482         * script-sections.cc (class Sections_element): Add set_is_relro
4483         virtual function.  Add new bool* parameter to place_orphan_here.
4484         Add get_output_section virtual function.
4485         (class Output_section_definition): Add set_is_relro.  Add new
4486         bool* parameter to place_orphan_here.  Add get_output_section.
4487         Add is_relro_ field.
4488         (Output_section_definition::Output_section_definition): Initialize
4489         evaluated_address_, evaluated_load_address, evaluated_addralign_,
4490         and is_relro_ fields.
4491         (Output_section_definition::place_orphan_here): Add is_relro
4492         parameter.
4493         (Output_section_definition::set_section_addresses): Set relro for
4494         output section.
4495         (Output_section_definition::alternate_constraint): Likewise.
4496         (class Orphan_output_section): Add new bool* parameter to
4497         place_orphan_here.  Add get_output_section.
4498         (Orphan_output_section::place_orphan_here): Add is_relro
4499         parameter.
4500         (Script_sections::Script_sections): Initialize
4501         data_segment_align_index_ and saw_relro_end_.
4502         (Script_sections::data_segment_align): New function.
4503         (Script_sections::data_segment_relro_end): New function.
4504         (Script_sections::place_orphan): Set or clear is_relro.
4505         (Script_sections::set_section_addresses): Force alignment of first
4506         TLS section.
4507         * yyscript.y (exp): Call script_data_segment_align and
4508         script_data_segment_relro_end.
4509         * testsuite/relro_script_test.t: New file.
4510         * testsuite/relro_test.cc (using_script): Declare.
4511         (t1, t2): Test using_script.
4512         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
4513         (relro_script_test_SOURCES): Define.
4514         (relro_script_test_DEPENDENCIES): Define.
4515         (relro_script_test_LDFLAGS): Define.
4516         (relro_script_test_LDADD): Define.
4517         (relro_script_test.so): New target.
4518         * testsuite/Makefile.in: Rebuild.
4519
4520 2008-08-06  Cary Coutant <ccoutant@google.com>
4521
4522         * archive.cc (Archive::total_archives, Archive::total_members)
4523         (Archive::total_members_loaded): New variables.
4524         (Archive::setup): Add parameter.  Add option to preread
4525         archive symbols.
4526         (Archive::read_armap): Add counter.
4527         (Archive::get_file_and_offset): New function.
4528         (Archive::get_elf_object_for_member): New function.
4529         (Archive::read_all_symbols): New function.
4530         (Archive::read_symbols): New function.
4531         (Archive::add_symbols): Add counters.
4532         (Archive::include_all_members): Use armap to find members if it's
4533         already built.
4534         (Archive::include_member): Skip reading symbols if already read.
4535         Factored code into Archive::get_file_and_offset and
4536         Archive::get_elf_object_for_member.  Changed call to
4537         Mapfile::report_include_archive_member.
4538         (Archive::print_stats): New function.
4539         * archive.h: Declare Object and Read_symbols_data classes.
4540         (Archive::Archive): Add initializers for new members.
4541         (Archive::setup): Add parameter.
4542         (Archive::print_stats): New function.
4543         (Archive::total_archives, Archive::total_members)
4544         (Archive::total_members_loaded): New variables.
4545         (Archive::get_file_and_offset): New function.
4546         (Archive::get_elf_object_for_member): New function.
4547         (Archive::read_all_symbols): New function.
4548         (Archive::read_symbols): New function.
4549         (Archive::Archive_member): New class.
4550         (Archive::members_): New member.
4551         (Archive::num_members_): New member.
4552         * main.cc: Include archive.h.
4553         (main): Call Archive::print_stats.
4554         * mapfile.cc (Mapfile::report_include_archive_member): Delete
4555         archive parameter; member_name is now the fully-decorated name.
4556         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
4557         * options.h: (General_options): Add --preread-archive-symbols option.
4558         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
4559         Archive::setup.
4560
4561 2008-08-04  Ian Lance Taylor  <iant@google.com>
4562
4563         * symtab.h (Symbol::use_plt_offset): New function.
4564         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
4565         * powerpc.cc (Relocate::relocate): Likewise.
4566         * sparc.cc (Relocate::relocate): Likewise.
4567         * x86_64.cc (Relocate::relocate): Likewise.
4568         * testsuite/weak_plt.sh: New test.
4569         * testsuite/weak_plt_main.cc: New test.
4570         * testsuite/weak_plt_shared.cc: New test.
4571         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
4572         (check_PROGRAMS): Add weak_plt.
4573         (check_DATA): Add weak_plt_shared.so.
4574         (weak_plt_main_pic.o, weak_plt): New targets.
4575         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
4576         * testsuite/Makefile.in: Rebuild.
4577
4578         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
4579         gcctestdir/ld.
4580         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
4581         * testsuite/Makefile.in: Rebuild.
4582
4583 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
4584
4585         * Makefile.am (POTFILES.in): Set LC_ALL=C.
4586         * Makefile.in: Regenerate.
4587         * po/POTFILES.in: Regenerate.
4588
4589 2008-07-29  Ian Lance Taylor  <iant@google.com>
4590
4591         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
4592         symbols before other symbols.
4593         * testsuite/script_test_2.cc (test_addr): Declare.
4594         (test_addr_alias): Declare.
4595         (main): Check that test_addr and test_addr_alias have the right
4596         values.
4597         * testsuite/script_test_2.t: Define test_addr_alias and
4598         test_addr.
4599
4600 2008-07-24  Ian Lance Taylor  <iant@google.com>
4601
4602         PR 5990
4603         * descriptors.cc: New file.
4604         * descriptors.h: New file.
4605         * gold-threads.h (class Hold_optional_lock): New class.
4606         * fileread.cc: Include "descriptors.h".
4607         (File_read::~File_read): Release descriptor rather than closing
4608         it.
4609         (File_read::open) [file]: Call open_descriptor rather than open.
4610         Set is_descriptor_opened_.
4611         (File_read::open) [memory]: Assert that descriptor is not open.
4612         (File_read::reopen_descriptor): New function.
4613         (File_read::release): Release descriptor.
4614         (File_read::do_read): Make non-const.  Reopen descriptor.
4615         (File_read::read): Make non-const.
4616         (File_read::make_view): Reopen descriptor.
4617         (File_read::do_readv): Likewise.
4618         * fileread.h (class File_read): Add is_descriptor_opened_ field.
4619         Update declarations.
4620         * layout.cc: Include "descriptors.h".
4621         (Layout::create_build_id): Use open_descriptor rather than open.
4622         * output.cc: Include "descriptors.h".
4623         (Output_file::open): Use open_descriptor rather than open.
4624         * archive.cc (Archive::const_iterator): Change Archive to be
4625         non-const.
4626         (Archive::begin, Archive::end): Make non-const.
4627         (Archive::count_members): Likewise.
4628         * archive.h (class Archive): Update declarations.
4629         * object.h (Object::read): Make non-const.
4630         * Makefile.am (CCFILES): Add descriptors.cc.
4631         (HFILES): Add descriptors.h.
4632         * Makefile.in: Rebuild.
4633
4634         PR 6716
4635         * gold.h: Always include <clocale>.  Add Solaris workarounds
4636         following code in binutils/sysdep.h.
4637
4638         PR 6048
4639         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
4640         this->eh_frame_hdr_ is NULL before using it.
4641
4642         * dynobj.cc (Versions::Versions): Update comment.
4643
4644         * dynobj.cc (Versions::Versions): If there is an soname, use it as
4645         the base version name.
4646
4647         * stringpool.cc (Stringpool_template::add_with_length): Set key to
4648         array size plus one.
4649         (Stringpool_template::set_string_offsets): Subtract one from key
4650         before using it as an array index.
4651         (Stringpool_template::get_offset_with_length): Likewise.
4652         (Stringpool_template::write_to_buffer): Likewise.
4653         * stringpool.h (Stringpool_template::get_offset_from_key):
4654         Likewise.
4655
4656 2008-07-23  Ian Lance Taylor  <iant@google.com>
4657
4658         PR 6658
4659         * object.h (Merged_symbol_value::value): Do our best to handle a
4660         negative addend.
4661
4662         PR 6647
4663         * script.cc (Version_script_info::get_versions): Don't add empty
4664         version tag to return value.
4665         (Version_script_info::get_symbol_version_helper): Change return
4666         type to bool.  Add pversion parameter.  Change all callers.
4667         (script_register_vers_node): Don't require a non-NULL tag.
4668         * script.h (class Version_script_info): Update declarations.
4669         (Version_script_info::get_symbol_version): Change return type to
4670         bool.  Add version parameter.  Change all callers.
4671         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
4672         handling.  Handle an empty version from a version script.
4673         (Symbol_table::define_special_symbol): Likewise.
4674         * testsuite/ver_test_10.script: New file.
4675         * testsuite/ver_test_10.sh: New file.
4676         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
4677         (check_DATA): Add ver_test_10.syms.
4678         (ver_test_10.syms, ver_test_10.so): New target.
4679         * testsuite/Makefile.in: Rebuild.
4680
4681 2008-07-23  Simon Baldwin  <simonb@google.com>
4682
4683         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
4684         to zero for undefined symbols from dynamic libraries.
4685
4686 2008-07-23  Ian Lance Taylor  <iant@google.com>
4687
4688         * symtab.cc (Symbol_table::resolve): Remove version parameter.
4689         Change all callers.
4690         * symtab.h (class Symbol_table): Update declaration.
4691         * testsuite/ver_test_9.cc: New file.
4692         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
4693         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
4694         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
4695         (ver_test_9.so, ver_test_9.o): New targets.
4696         * testsuite/Makefile.in: Rebuild.
4697
4698 2008-07-22  Ian Lance Taylor  <iant@google.com>
4699
4700         * options.h (class General_options): Define --check-sections.
4701         * layout.cc (Layout::set_segment_offsets): Handle
4702         --check-sections.
4703
4704         * options.h (class General_options): Define -n/--nmagic and
4705         -N/--omagic.
4706         * options.cc (General_options::finalize): For -n/--nmagic or
4707         -N/--omagic, set -static.
4708         * layout.cc (Layout::attach_allocated_section_to_segment): If
4709         -N/--omagic, don't put read-only and read-write sections in
4710         different segments.
4711         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
4712         finding a read-only segment.
4713         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
4714         don't set the minimum segment alignment to the common page size,
4715         and don't set the file offset to the address modulo the page size.
4716         * script-sections.cc (Script_sections::create_segments): If
4717         -n/--omagic, don't put read-only and read-write sections in
4718         different segments.
4719
4720         * cref.cc: New file.
4721         * cref.h: New file.
4722         * options.h (class General_options): Add --print-symbol-counts.
4723         * main.cc (main): Issue defined symbol report if requested.
4724         * archive.cc (Archive::interpret_header): Make into a const member
4725         function.
4726         (Archive::add_symbols): Call Input_objects::archive_start and
4727         archive_stop.
4728         (Archive::const_iterator): Define new class.
4729         (Archive::begin, Archive::end): New functions.
4730         (Archive::include_all_members): Rewrite to use iterator.
4731         (Archive::count_members): New function.
4732         * archive.h (class Archive): Update declarations.
4733         (Archive::filename): New function.
4734         * object.cc: Include "cref.h".
4735         (Sized_relobj::Sized_relobj): Initialize defined_count_.
4736         (Sized_relobj::do_get_global_symbol_counts): New function.
4737         (Input_objects::add_object): Add object to cross-referencer.
4738         (Input_objects::archive_start): New function.
4739         (Input_objects::archive_stop): New function.
4740         (Input_objects::print_symbol_counts): New function.
4741         * object.h: Declare Cref and Archive.
4742         (Object::get_global_symbol_counts): New function.
4743         (Object::do_get_global_symbol_counts): New pure virtual function.
4744         (class Sized_relobj): Add defined_count_ field.  Update
4745         declarations.
4746         (class Input_objects): Add cref_ field.  Update constructor.
4747         Update declarations.
4748         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
4749         defined_count_.
4750         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
4751         symbol counts.
4752         (Sized_dynobj::do_get_global_symbol_counts): New function.
4753         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
4754         defined_count_.  Update declarations.  Define Symbols typedef.
4755         * symtab.cc (Symbol_table::add_from_relobj): Add defined
4756         parameter.  Change all callers.
4757         (Symbol_table::add_from_dynobj): Add sympointers and defined
4758         parameters.  Change all callers.
4759         * symtab.h (class Symbol_table): Update declarations.
4760         * Makefile.am (CCFILES): Add cref.cc.
4761         (HFILES): Add cref.h.
4762         * Makefile.in: Rebuild.
4763
4764 2008-07-22  Simon Baldwin  <simonb@google.com>
4765
4766         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
4767         to zero when writing undefined symbols.
4768
4769 2008-07-22  Ian Lance Taylor  <iant@google.com>
4770
4771         * output.cc (Output_section::add_input_section): Don't try to
4772         merge empty merge sections.
4773
4774 2008-07-21  Craig Silverstein  <csilvers@google.com>
4775
4776         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4777         Include symbol version in error message.
4778
4779 2008-07-20  Chris Demetriou  <cgd@google.com>
4780
4781         * configure.ac (gold_cv_c_random_seed): New configured variable.
4782         (RANDOM_SEED_CFLAGS): New substituted variable.
4783         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
4784         * configure: Rebuild.
4785         * Makefile.in: Likewise.
4786         * testsuite/Makefile.in: Likewise.
4787
4788 2008-07-18  Ian Lance Taylor  <iant@google.com>
4789
4790         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
4791         where we see NAME/NULL and NAME/VERSION  as separate symbols.
4792         * testsuite/ver_test_main.cc (main): Call t4.
4793         (t4, t4_2a): Define.
4794         * testsuite/ver_test_2.cc (t4_2): Define.
4795         * testsuite/ver_test_2.script: Put t4_2a in VER2.
4796         * testsuite/ver_test_4.cc (t4_2a): Define.
4797         * testsuite/ver_test_4.script: Put t4_2a in VER2.
4798         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
4799
4800 2008-07-17  Ian Lance Taylor  <iant@google.com>
4801
4802         * dynobj.cc (Versions::add_def): If we give an error about a
4803         missing version, go ahead and create the version anyhow.
4804
4805 2008-07-10  Ian Lance Taylor  <iant@google.com>
4806
4807         Handle output sections with more than 0x7fffffff bytes.
4808         * object.h (class Relobj): Change map_to_output_ to
4809         output_sections_, and just keep a section pointer.  Change all
4810         uses.  Move comdat group support to Sized_relobj.
4811         (Relobj::is_section_specially_mapped): Remove.
4812         (Relobj::output_section): Remove poff parameter.  Change all
4813         callers.
4814         (Relobj::output_section_offset): New function.
4815         (Relobj::set_section_offset): Rewrite.
4816         (Relobj::map_to_output): Remove.
4817         (Relobj::output_sections): New function.
4818         (Relobj::do_output_section_offset): New pure virtual function.
4819         (Relobj::do_set_section_offset): Likewise.
4820         (class Sized_relobj): Add section_offsets_ field.  Add comdat
4821         group support from Relobj.  Update declarations.
4822         (Sized_relobj::get_output_section_offset): New function.
4823         (Sized_relobj::do_output_section_offset): New function.
4824         (Sized_relobj::do_set_section_offset): New function.
4825         * object.cc (Relobj::output_section_address): Remove.
4826         (Sized_relobj::Sized_relobj): Initialize new fields.
4827         (Sized_relobj::include_section_group): Cast find_kept_object to
4828         Sized_relobj.
4829         (Sized_relobj::include_linkonce_section): Likewise.
4830         (Sized_relobj::do_layout): Use separate arrays for output section
4831         and output offset.
4832         (Sized_relobj::do_count_local_symbols): Change map_to_output to
4833         output_sections.
4834         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
4835         output_sections and section_offsets.
4836         (Sized_relobj::write_local_symbols): Likewise.
4837         (map_to_kept_section): Compute output address directly.
4838         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
4839         output_sections and section_offsets.
4840         (Sized_relobj::write_sections): Likewise.
4841         (Sized_relobj::relocate_sections): Likewise.
4842         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
4843         * output.h (class Output_reloc): Update declarations.  Change
4844         u2_.relobj to Sized_relobj*.
4845         (class Output_data_reloc): Change add functions to use
4846         Sized_relobj*.
4847         * output.cc (Output_reloc::Output_reloc): Change relobj to
4848         Sized_relobj*.
4849         (Output_reloc::local_section_offset): Change return type to
4850         Elf_Addr.  Use get_output_section_offset.
4851         (Output_reloc::get_address): Likewise.
4852         (Output_section::is_input_address_mapped): Don't call
4853         is_section_specially_mapped.
4854         (Output_section::output_offset): Likewise.
4855         (Output_section::output_address): Likewise.
4856         (Output_section::starting_output_address): Likewise.
4857         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
4858         parameter to Sized_relobj*.
4859         (Copy_relocs::need_copy_reloc): Likewise.
4860         (Copy_relocs::save): Likewise.
4861         * copy-relocs.h (class Copy_relocs): Update declarations.
4862         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
4863         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
4864         * target-reloc.h (relocate_for_relocatable): Change
4865         offset_in_output_section type to Elf_Addr.  Change code that uses
4866         it as well.
4867         * layout.cc (Layout::layout): Always set *off.
4868         * mapfile.cc (Mapfile::print_input_section): Use
4869         output_section_offset.
4870         * i386.cc (Target_i386::copy_reloc): Change object parameter to
4871         Sized_relobj*.
4872         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
4873         * sparc.cc (Target_sparc::copy_reloc): Likewise.
4874         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
4875
4876 2008-07-03  Ian Lance Taylor  <iant@google.com>
4877
4878         * layout.cc (Layout::include_section): Do not discard unrecognized
4879         SHT_STRTAB sections.
4880
4881 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
4882
4883         * script.cc (Lex::can_continue_name): Make '?' allowable in
4884         version-script names.
4885         * testsuite/version_script.map: Change glob pattern to use '?'
4886
4887 2008-06-30  Manish Singh  <yosh@gimp.org>
4888
4889         PR 6585
4890         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
4891         Correct typo.
4892
4893 2008-06-30  Ian Lance Taylor  <iant@google.com>
4894
4895         PR 6660
4896         PR 6682
4897         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4898         versions]: Don't try to read the value in the contents, since we
4899         don't use it.  Use the template endianness when writing.
4900
4901 2008-06-25  Cary Coutant  <ccoutant@google.com>
4902
4903         * fileread.cc (File_read::make_view): Assert on zero-length view.
4904         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4905         symbol table when there are no symbols to read.
4906
4907 2008-06-23  Craig Silverstein  <csilvers@google.com>
4908
4909         * version.cc (version_string): Bump to 1.7
4910
4911 2008-06-18  Craig Silverstein  <csilvers@google.com>
4912
4913         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4914         constant 0xFFFF to type Valtype.
4915         (Powerpc_relocate_functions::rel16_ha): Likewise.
4916
4917 2008-06-17  Ian Lance Taylor  <iant@google.com>
4918
4919         * output.h (Output_section::Input_section): Initialize p2align_ to
4920         zero for Output_section_data constructors.
4921         (Output_section::Input_section::addralign): If not an input
4922         section, return the alignment of the Output_section_data.
4923         * testsuite/copy_test.cc: New file.
4924         * testsuite/copy_test_1.cc: New file.
4925         * testsuite/copy_test_2.cc: New file.
4926         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4927         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4928         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4929         (copy_test_1_pic.o, copy_test_1.so): New targets.
4930         (copy_test_2_pic.o, copy_test_2.so): New targets.
4931         * testsuite/Makefile.in: Rebuild.
4932
4933         * script-sections.cc (Script_sections::place_orphan): Initialize
4934         local variable exact.
4935
4936 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
4937
4938         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4939
4940 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
4941             David S. Miller  <davem@davemloft.net>
4942
4943         * powerpc.cc: New file.
4944         * Makefile.am (TARGETSOURCES): Add powerpc.cc
4945         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4946         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4947         * Makefile.in: Rebuild.
4948
4949 2008-06-09  Ian Lance Taylor  <iant@google.com>
4950
4951         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4952         <exception>.
4953         (throwing, orig_terminate): New static variables.
4954         (terminate_handler): New static function.
4955         (t2): Set terminate handler.
4956
4957 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
4958
4959         PR 6584
4960         * binary.cc (Binary_to_elf::sized_convert): Fix .data
4961         alignment.
4962
4963 2008-05-30  Cary Coutant  <ccoutant@google.com>
4964
4965         * archive.cc (Archive::include_all_members) Correct to step
4966         over symbol table and extended name table in thin archives.
4967
4968 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
4969
4970         PR 6407
4971         * target-reloc.h (relocate_for_relocatable): Fix new_offset
4972         calculation.
4973
4974 2008-05-28  Caleb Howe  <cshowe@google.com>
4975
4976         * reduced_debug_output.cc: New file.
4977         * reduced_debug_output.h: New file.
4978         * options.h (class General_options): Add --strip-debug-non-line.
4979         * options.cc (General_options::finalize): Add strip_debug_non_line
4980         to the strip heirarchy.
4981         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4982         fields.
4983         * layout.cc: Include "reduced_debug_output.h".
4984         (Layout::Layout): Initialize new fields.
4985         (line_only_debug_sections): New static array.
4986         (is_lines_only_debug_sections): New static inline function.
4987         (Layout::include_section): Handle --strip-debug-non-line.
4988         (Layout::make_output_section): If --strip-debug-non-line, build
4989         new output sections for .debug_abbrev and .debug_info.
4990         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4991         gold.  Warn about possible overflow.
4992         (read_signed_LEB_128): Likewise.
4993         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4994         (read_signed_LEB_128): Declare.
4995         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4996         (HFILES): Add reduced_debug_output.h.
4997         * Makefile.in: Rebuild.
4998
4999 2008-05-21  Ian Lance Taylor  <iant@google.com>
5000
5001         * mapfile.cc: New file.
5002         * mapfile.h: New file.
5003         * options.h (class General_options): Add -M/--print-map and -Map.
5004         * options.cc (General_options::finalize): Make -M equivalent to
5005         -Map -.
5006         * main.cc: Include <cstdio> and "mapfile.h".
5007         (main): Open mapfile if requested.
5008         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
5009         constructor.  Change caller.
5010         (queue_initial_tasks): Add mapfile parameter.  Change caller.
5011         (queue_middle_tasks): Likewise.
5012         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
5013         declarations.
5014         * archive.cc: Include "mapfile.h".
5015         (Archive::add_symbols): Add mapfile parameter.  Change all
5016         callers.  Pass mapfile, symbol, and reason to include_member.
5017         (Archive::include_all_members): Add mapfile parameter.  Change all
5018         callers.
5019         (Archive::include_member): Add mapfile, sym, and why parameters.
5020         Change all callers.  Report inclusion to map file.
5021         * archive.h: Include "fileread.h".
5022         (class Archive): Update declarations.
5023         (Archive::file): New const method.
5024         (class Add_archive_symbols): Add mapfile_ field.  Update
5025         constructor.  Change all callers.
5026         * readsyms.h (class Read_symbols): Likewise.
5027         (class Finish_group): Likewise.
5028         (class Read_script): Likewise.
5029         * common.cc: Include "mapfile.h".
5030         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
5031         all callers.
5032         (Symbol_table::do_allocate_commons): Likewise.
5033         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
5034         symbol allocation to mapfile.
5035         * common.h (class Allocate_commons_task): Add mapfile_ field.
5036         Update constructor.  Change all callers.
5037         * symtab.h (class Symbol_table): Update declarations.
5038         * layout.cc: Include "mapfile.h".
5039         (Layout_task_runner::run): Print information to mapfile.
5040         (Layout::create_gold_note): Change Output_data_fixed_space to
5041         Output_data_zero_fill.
5042         (Layout::create_build_id): Likewise.
5043         (Layout::print_to_mapfile): New function.
5044         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
5045         constructor.  Change caller.
5046         (class Layout): Declare print_to_mapfile.
5047         * output.cc (Output_section::Input_section::print_to_mapfile): New
5048         function.
5049         (Output_section::add_input_section): If producing a map, always
5050         add to input_sections_ list.
5051         (Output_section::do_print_to_mapfile): New function.
5052         (Output_segment::print_sections_to_mapfile): New function.
5053         (Output_segment::print_section_list_to_mapfile): New function.
5054         * output.h: Include "mapfile.h".
5055         (Output_data::print_to_mapfile): New function.
5056         (Output_data::do_print_to_mapfile): New virtual function.
5057         (Output_segment_headers::do_print_to_mapfile): New function.
5058         (Output_file_header::do_print_to_mapfile): New function.
5059         (Output_data_const::do_print_to_mapfile): New function.
5060         (class Output_data_const_buffer): Add map_name_ field.  Update
5061         constructor.  Change all callers.  Add do_print_to_mapfile
5062         function.
5063         (class Output_data_fixed_space): Likewise.
5064         (class Output_data_space): Likewise.
5065         (class Output_data_zero_fill): New class.
5066         (Output_data_strtab::do_print_to_mapfile): New function.
5067         (Output_data_reloc_base::do_print_to_mapfile): New function.
5068         (Output_relocatable_relocs::do_print_to_mapfile): New function.
5069         (Output_data_group::do_print_to_mapfile): New function.
5070         (Output_data_got::do_print_to_mapfile): New function.
5071         (Output_data_dynamic::do_print_to_mapfile): New function.
5072         (Output_symtab_xindex::do_print_to_mapfile): New function.
5073         (class Output_section): Declare do_print_to_mapflie.  Declare
5074         print_to_mapfile in Input_section.
5075         (class Output_segment): Declare new functions.
5076         * object.h (Sized_relobj::symbol_count): New function.
5077         * script-sections.cc
5078         (Output_section_element_dot_assignment::set_section_addresses):
5079         Change Output_data_fixed_space to Output_data_zero_fill.
5080         (Output_data_expression::do_print_to_mapfile): New function.
5081         * script.cc (read_input_script): Add mapfile parameter.  Change
5082         all callers.
5083         * script.h (read_input_script): Update declaration.
5084         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
5085         (Eh_frame::do_print_to_mapfile): New function.
5086         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
5087         (Output_merge_string::do_print_to_mapfile): New function.
5088         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
5089         function.
5090         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
5091         function.
5092         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
5093         function.
5094         * Makefile.am (CCFILES): Add mapfile.cc.
5095         (HFILES): Add mapfile.h.
5096         * Makefile.in: Rebuild.
5097
5098 2008-05-19  Ian Lance Taylor  <iant@google.com>
5099
5100         * options.h (class General_options): Add -z relro.
5101         * layout.cc (Layout::Layout): Initialize relro_segment_.
5102         (Layout::add_output_section_data): Return the output section.
5103         (Layout::make_output_section): Rcognize relro sections and mark
5104         them appropriately.
5105         (Layout::attach_allocated_section_to_segment): Put relro sections
5106         in a PT_GNU_RELRO segment.
5107         (Layout::create_initial_dynamic_sections): Mark the .dynamic
5108         section as relro.
5109         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
5110         PT_TLS segments.
5111         (Layout::linkonce_mapping): Map d.rel.ro.local to
5112         .data.rel.ro.local.
5113         (Layout::output_section_name): Us .data.rel.ro.local for any
5114         section which begins with that.
5115         * layout.h (class Layout): Update add_output_section_data
5116         declaration.  Add relro_segment_ field.
5117         * output.cc (Output_section::Output_section): Initialize is_relro_
5118         and is_relro_local_ fields.
5119         (Output_segment::add_output_section): Group relro sections.
5120         (Output_segment::is_first_section_relro): New function.
5121         (Output_segment::maximum_alignment): If there is a relro section,
5122         align the segment to the common page size.
5123         (Output_segment::set_section_addresses): Track whether we are
5124         looking at relro sections.  If the last section is a relro
5125         section, align to the common page size.
5126         (Output_segment::set_section_list_addresses): Add in_relro
5127         parameter.  Change all callers.  Align to the page size when
5128         moving from relro to non-relro section.
5129         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
5130         segment.
5131         * output.h (class Output_section): Add is_relro_ and
5132         is_relro_local_ fields.
5133         (Output_section::is_relro): New function.
5134         (Output_section::set_is_relro): New function.
5135         (Output_section::is_relro_local): New function.
5136         (Output_section::set_is_relro_local): New function.
5137         (class Output_segment): Update declarations.
5138         * i386.cc (Target_i386::got_section): Mark .got section as relro.
5139         * sparc.cc (Target_sparc::got_section): Likewise.
5140         * x86_64.cc (Target_x86_64::got_section): Likewise.
5141         * testsuite/relro_test_main.cc: New file.
5142         * testsuite/relro_test.cc: New file.
5143         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
5144         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
5145         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
5146         (relro_test.so, relro_test_pic.o): New targets.
5147         * testsuite/Makefile.in: Rebuild.
5148
5149 2008-05-16  Ian Lance Taylor  <iant@google.com>
5150
5151         * output.cc (Output_segment::add_output_section): Remove front
5152         parameter.
5153         * output.h (class Output_segment): Remove
5154         add_initial_output_section and overloaded add_output_section.
5155         Update declaration of remaining add_output_section.
5156         * layout.cc (Layout::create_interp): Call add_output_section
5157         rather than add_initial_output_section.
5158         (Layout::finish_dynamic_section): Likewise.
5159
5160         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
5161         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
5162         know the dynamic type.
5163         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
5164         field.  Initialize it in constructor.
5165         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
5166         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
5167         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
5168         reloc.
5169
5170         * output.cc (Output_reloc::get_address): Change return type to
5171         Elf_Addr.
5172         * output.h (class Output_reloc): Update get_address declaration.
5173         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
5174         for section addresses.
5175
5176 2008-05-09  Ian Lance Taylor  <iant@google.com>
5177
5178         PR 6493
5179         * gold.cc (gold_nomem): Use return value of write.
5180
5181 2008-05-08  Ian Lance Taylor  <iant@google.com>
5182
5183         * symtab.c (Symbol::init_base_output_data): Add version
5184         parameter.  Change all callers.
5185         (Symbol::init_base_output_segment): Likewise.
5186         (Symbol::init_base_constant): Likewise.
5187         (Symbol::init_base_undefined): Likewise.
5188         (Sized_symbol::init_output_data): Likewise.
5189         (Sized_symbol::init_output_segment): Likewise.
5190         (Sized_symbol::init_constant): Likewise.
5191         (Sized_symbol::init_undefined): Likewise.
5192         (Symbol_table::do_define_in_output_data): If the new symbol has a
5193         version, mark it as the default.
5194         (Symbol_table::do_define_in_output_segment): Likewise.
5195         (Symbol_table::do_define_as_constant): Likewise.
5196         * symtab.h (class Symbol): Update declarations.
5197         (class Sized_symbol): Likewise.
5198         * resolve.cc (Symbol::override_version): New function.
5199         (Symbol::override_base): Call override_version.
5200         (Symbol::override_base_with_special): Likewise.
5201         * testsuite/ver_script_8.script: New file.
5202         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
5203         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
5204         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
5205         (ver_test_8_1.so, ver_test_8_2.so): New targets.
5206
5207 2008-05-06  Ian Lance Taylor  <iant@google.com>
5208
5209         PR 6049
5210         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
5211         functions.
5212         (class General_options): Remove existing --undefined, and add
5213         --no-undefined instead.  Add new --undefined as synonym for -u.
5214         * archive.cc (Archive::add_symbols): Check whether symbol was
5215         named with -u.
5216         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
5217         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
5218         all uses.  Add IS_UNDEFINED.  Update declarations to split
5219         different versions of init_base.  Declare init_base_undefined.
5220         (Symbol::is_defined): Handle IS_UNDEFINED.
5221         (Symbol::is_undefined): Likewise.
5222         (Symbol::is_weak_undefined): Call is_undefined.
5223         (Symbol::is_absolute): Handle IS_CONSTANT.
5224         (class Sized_symbol): Update declarations to split different
5225         versions of init.  Declare init_undefined.
5226         (class Symbol_table): Declare new functions.
5227         * symtab.cc (Symbol::init_base_object): Rename from init_base.
5228         Change all callers.
5229         (Symbol::init_base_output_data): Likewise.
5230         (Symbol::init_base_output_segment): Likewise.
5231         (Symbol::init_base_constant): Likewise.
5232         (Symbol::init_base_undefined): New function.
5233         (Sized_symbol::init_object): Rename from init.  Change all
5234         callers.
5235         (Sized_symbol::init_output_data): Likewise.
5236         (Sized_symbol::init_output_segment): Likewise.
5237         (Sized_symbol::init_constant): Likewise.
5238         (Sized_symbol::init_undefined): New function.
5239         (Symbol_table::add_undefined_symbols_from_command_line): New
5240         function.
5241         (Symbol_table::do_add_undefined_symbols_from_command_line): New
5242         function.
5243         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
5244         (Symbol::output_section): Likewise.
5245         (Symbol::set_output_section): Likewise.
5246         (Symbol_table::sized_finalize_symbol): Likewise.
5247         (Symbol_table::sized_write_globals): Likewise.
5248         * resolve.cc (Symbol_table::should_override): Likewise.
5249         (Symbol::override_base_with_special): Likewise.
5250
5251         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
5252         symbol, change it to have default visibility.
5253         * testsuite/protected_1.cc: New file.
5254         * testsuite/protected_2.cc: New file.
5255         * testsuite/protected_3.cc: New file.
5256         * testsuite/protected_main_1.cc: New file.
5257         * testsuite/protected_main_2.cc: New file.
5258         * testsuite/protected_main_3.cc: New file.
5259         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
5260         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
5261         (protected_1_LDFLAGS, protected_1_LDADD): Define.
5262         (protected_1.so): New target.
5263         (protected_1_pic.o, protected_2_pic.o): New targets.
5264         (protected_3_pic.o): New target.
5265         (check_PROGRAMS): Add protected_2.
5266         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
5267         (protected_2_LDFLAGS, protected_2_LDADD): Define.
5268         * testsuite/Makefile.in: Rebuild.
5269
5270         * options.h (DEFINE_var): Add set_user_set_##varname__.
5271         (DEFINE_bool_alias): New macro.
5272         (class General_options): Define -Bstatic using DEFINE_bool_alias
5273         rather than DEFINE_special.  Add --undefined as an alias for -z
5274         defs.
5275         * options.cc (General_options::parse_Bstatic): Remove.
5276
5277         * options.h (class General_options): Add --fatal-warnings.
5278         * main.cc (main): Implement --fatal-warnings.
5279         * errors.h (Errors::warning_count): New function.
5280
5281         * options.h (class General_options): Add -Bsymbolic-functions.
5282         * symtab.h (Symbol::is_preemptible): Check for
5283         -Bsymbolic-functions.
5284
5285 2008-05-05  Ian Lance Taylor  <iant@google.com>
5286
5287         * options.h (DEFINE_bool): For DASH_Z, create the negative option
5288         as noVARNAME rather than no-VARNAME.
5289         (class General_options): Add option -z combreloc.
5290         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
5291         get_address.
5292         (Output_reloc::sort_before) [SHT_REL]: New function.
5293         (Output_reloc::sort_before) [SHT_RELA]: New function.
5294         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
5295         Sort_relocs_comparison.
5296         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
5297         parameter.  Change all callers.
5298         (Output_data_reloc::Output_data_reloc) [both versions]: Add
5299         sort_relocs parameter.  Change all callers.
5300         * output.cc (Output_reloc::get_address): New function, broken out
5301         of write_rel.
5302         (Output_reloc::write_rel): Call it.
5303         (Output_reloc::compare): New function.
5304         (Output_data_reloc_base::do_write): Optionally sort relocs.
5305
5306         * configure.ac: If targ_extra_obj is set, link it in.
5307         * configure.tgt: Initialize all variables.
5308         (x86_64*): Set targ_extra_obj and targ_extra_size.
5309         * configure: Rebuild.
5310
5311         * object.cc (Sized_relobj::include_section_group): Adjust section
5312         indexes read from group data.  Build vector to pass to
5313         layout_group.
5314         * layout.cc (Layout::layout_group): Add flags and shndxes
5315         parameters.  Remove contents parameter.  Change caller.  Update
5316         explicit instantiations.
5317         * layout.h (class Layout): Update layout_group declaration.
5318         * output.cc (Output_data_group::Output_data_group): Add flags and
5319         input_shndxes parameters.  Remove contents parameter.  Change
5320         caller.
5321         (Output_data_group::do_write): Change input_sections_ to
5322         input_shndxes_.
5323         * output.h (class Output_data_group): Update constructor
5324         declaration.  Rename input_sections_ to input_shndxes_.
5325         * testsuite/many_sections_test.cc: Add template.
5326
5327 2008-04-30  Cary Coutant  <ccoutant@google.com>
5328
5329         * target-reloc.h (relocate_section): Fix dead-pointer bug.
5330
5331         * layout.cc (Layout::include_section): Refactored check for debug
5332         info section.
5333         (Layout::add_comdat): Add new parameters.  Change type
5334         of signature parameter.  Add object and shndx to signatures table.
5335         (Layout::find_kept_object): New function.
5336         * layout.h: Include <cstring>.
5337         (Layout::is_debug_info_section): New function.
5338         (Layout::add_comdat): Add new parameters.
5339         (Layout::find_kept_object): New function.
5340         (Layout::Kept_section): New struct.
5341         (Layout::Signatures): Change type of map range.
5342         * object.cc (Relobj::output_section_address): New function.
5343         (Sized_relobj::include_section_group): Add new parameters.  Change
5344         calls to Layout::add_comdat.  Change to build table of kept comdat
5345         groups and table mapping discarded sections to kept sections.
5346         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
5347         (Sized_relobj::do_layout): Change calls to include_section_group and
5348         include_linkonce_section.
5349         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
5350         value to zero when section is discarded.
5351         (Sized_relobj::map_to_kept_section): New function.
5352         * object.h (Relobj::output_section_address): New function.
5353         (Relobj::Comdat_group): New type.
5354         (Relobj::find_comdat_group): New function.
5355         (Relobj::Comdat_group_table): New type.
5356         (Relobj::Kept_comdat_section): New type.
5357         (Relobj::Kept_comdat_section_table): New type.
5358         (Relobj::add_comdat_group): New function.
5359         (Relobj::set_kept_comdat_section): New function.
5360         (Relobj::get_kept_comdat_section): New function.
5361         (Relobj::comdat_groups_): New field.
5362         (Relobj::kept_comdat_sections_): New field.
5363         (Symbol_value::input_value): Update comment.
5364         (Sized_relobj::map_to_kept_section) New function.
5365         (Sized_relobj::include_linkonce_section): Add new parameter.
5366         * target-reloc.h (Comdat_behavior): New type.
5367         (get_comdat_behavior): New function.
5368         (relocate_section): Add code to map a discarded section to the
5369         corresponding kept section when applying a relocation.
5370
5371 2008-04-30  Craig Silverstein  <csilvers@google.com>
5372
5373         * dwarf_reader.cc (next_generation_count): New static var.
5374         (Addr2line_cache_entry): New struct.
5375         (addr2line_cache): New static var.
5376         (Dwarf_line_info::one_addr2line): Added caching.
5377         (Dwarf_line_info::clear_addr2line_cache): New function.
5378         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
5379         cache-size parameter.
5380         (Dwarf_line_info::one_addr2line_cache): New function.
5381         * symtab.cc (Symbol_table::detect_odr_violations): Pass
5382         new cache-size argument to one_addr2line(), and clear cache.
5383
5384 2008-04-28  Cary Coutant  <ccoutant@google.com>
5385
5386         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
5387         R_386_PC8 relocations.
5388
5389 2008-04-23  Ian Lance Taylor  <iant@google.com>
5390
5391         * object.cc (Sized_relobj::include_section_group): Check for
5392         invalid section group.
5393
5394         * object.cc (make_elf_object): Correct test for 64-bit ELF file
5395         header size.
5396
5397         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
5398         than read for file header.
5399         * archive.cc (Archive::include_member): Likewise.
5400
5401 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
5402
5403         * aclocal.m4: Regenerate.
5404         * configure: Regenerate.
5405
5406 2008-04-19  Ian Lance Taylor  <iant@google.com>
5407
5408         * version.cc (version_string): Bump to 1.6.
5409
5410         * testsuite/Makefile.am (many_sections_r_test): New target.
5411         (many_sections_r_test_SOURCES): Remove.
5412         (many_sections_r_test_DEPENDENCIES): Remove.
5413         (many_sections_r_test_LDFLAGS): Remove.
5414         (many_sections_r_test_LDADD): Remove.
5415
5416         * object.cc (Sized_relobj::do_add_symbols): Always pass
5417         local_symbol_count_ to add_from_relobj.
5418
5419         * testsuite/Makefile.am (many_sections_check.h): Only check one in
5420         every thousand variables.
5421         * testsuite/Makefile.in: Rebuild.
5422
5423         * object.cc (Xindex::initialize_symtab_xindex): New function.
5424         (Xindex::read_symtab_xindex): New function.
5425         (Xindex::sym_xindex_to_shndx): New function.
5426         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
5427         available.
5428         (Sized_relobj::do_initialize_xindex): New function.
5429         (Sized_relobj::do_read_symbols): Adjust section links.
5430         (Sized_relobj::symbol_section_and_value): Add is_ordinary
5431         parameter.  Change all callers.
5432         (Sized_relobj::include_section_group): Adjust section links and
5433         symbol section indexes.
5434         (Sized_relobj::do_layout): Adjust section links.
5435         (Sized_relobj::do_count_local_symbols): Adjust section links and
5436         symbol section indexes.
5437         (Sized_relobj::do_finalize_local_symbols): Distinguish between
5438         ordinary and special symbols.
5439         (Sized_relobj::write_local_symbols): Add symtab_xindex and
5440         dynsym_xindex parameters.  Change all callers.  Adjust section
5441         links.  Use SHN_XINDEX when needed.
5442         (Sized_relobj::get_symbol_location_info): Adjust section links.
5443         Don't get fooled by special symbols.
5444         * object.h (class Xindex): Define.
5445         (class Object): Add xindex_ parameter.  Declare virtual functoin
5446         do_initialize_xindex.
5447         (Object::adjust_sym_shndx): New function.
5448         (Object::set_xindex): New protected function.
5449         (class Symbol_value): Add is_ordinary_shndx_ field.
5450         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
5451         (Symbol_value::value): Assert ordinary section.
5452         (Symbol_value::initialize_input_to_output_map): Likewise.
5453         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
5454         Change all callers.
5455         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
5456         all callers.
5457         (class Sized_relobj): Update declarations.
5458         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
5459         parameter.  Change all callers.
5460         (Sized_relobj::adjust_shndx): New function.
5461         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
5462         field.
5463         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
5464         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
5465         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
5466         (Sized_dynobj::read_dynsym_section): Adjust section links.
5467         (Sized_dynobj::read_dynamic): Likewise.
5468         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
5469         section links.
5470         (Sized_dynobj::do_initialize_xindex): New function.
5471         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
5472         do_initialize_xindex.
5473         (Sized_dynobj::adjust_shndx): New function.
5474         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
5475         dynsym_xindex_ fields.
5476         (Layout::finalize): Add a call to set_section_indexes before
5477         creating the symtab sections.
5478         (Layout::set_section_indexes): Don't do anything if the section
5479         already has a section index.
5480         (Layout::create_symtab_sections): Add shnum parameter.  Change
5481         caller.  Create .symtab_shndx section if needed.
5482         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
5483         caller.
5484         (Layout::allocated_output_section_count): New function.
5485         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
5486         needed.
5487         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
5488         fields.  Update declarations.
5489         (Layout::symtab_xindex): New function.
5490         (Layout::dynsym_xindex): New function.
5491         (class Write_symbols_task): Add layout_ field.
5492         (Write_symbols_task::Write_symbols_task): Add layout parameter.
5493         Change caller.
5494         * output.cc (Output_section_headers::Output_section_headers): Add
5495         shstrtab_section parameter.  Change all callers.
5496         (Output_section_headers::do_sized_write): Store overflow values
5497         for section count and section string table section index in
5498         section header zero.
5499         (Output_file_header::do_sized_write): Check for overflow of
5500         section count and section string table section index.
5501         (Output_symtab_xindex::do_write): New function.
5502         (Output_symtab_xindex::endian_do_write): New function.
5503         * output.h (class Output_section_headers): Add shstrtab_section_.
5504         Update declarations.
5505         (class Output_symtab_xindex): Define.
5506         (Output_section::has_out_shndx): New function.
5507         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
5508         field.
5509         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
5510         Change all callers.
5511         (Sized_symbol::init): Likewise.
5512         (Symbol::output_section): Check for ordinary symbol.
5513         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
5514         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
5515         callers.
5516         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
5517         Change all callers.  Simplify handling of symbols from sections
5518         not included in the link.
5519         (Symbol_table::add_from_dynobj): Handle ordinary symbol
5520         distinction.
5521         (Weak_alias_sorter::operator()): Assert that symbols are
5522         ordinary.
5523         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
5524         distinction.
5525         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
5526         parameters.  Change all callers.
5527         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
5528         symbol distinction.  Use SHN_XINDEX when needed.
5529         (Symbol_table::write_section_symbol): Add symtab_xindex
5530         parameter.  Change all callers.
5531         (Symbol_table::sized_write_section_symbol): Likewise.  Use
5532         SHN_XINDEX when needed.
5533         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
5534         declarations.
5535         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
5536         (Symbol::is_defined): Check is_ordinary.
5537         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
5538         (Symbol::is_absolute, Symbol::is_common): Likewise.
5539         (class Sized_symbol): Update declarations.
5540         (class Symbol_table): Update declarations.
5541         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
5542         parameters.  Change all callers.
5543         (Sized_symbol::override): Likewise.
5544         (Symbol_table::override): Likewise.
5545         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
5546         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
5547         is_ordinary, and orig_st_shndx parameters.  Change all callers.
5548         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
5549         to be in an ordinary section.
5550         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
5551         object and is_ordinary parameters.  Change all callers.
5552         (Sized_dwarf_line_info::read_relocs): Add object parameter.
5553         Change all callers.  Don't add undefined or non-ordinary symbols
5554         to reloc_map_.
5555         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
5556         Change all callers.
5557         * dwarf_reader.h (class Sized_dwarf_line_info): Update
5558         declarations.
5559         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
5560         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
5561         (Sized_relobj::relocate_sections): Likewise.
5562         * target-reloc.h (scan_relocs): Adjust section symbol index.
5563         (scan_relocatable_relocs): Likewise.
5564         * i386.cc (Scan::local): Check for ordinary symbols.
5565         * sparc.cc (Scan::local): Likewise.
5566         * x86_64.cc (Scan::local): Likewise.
5567         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
5568         to symbol_section_and_value.
5569         * testsuite/many_sections_test.cc: New file.
5570         * testsuite/Makefile.am (BUILT_SOURCES): Define.
5571         (check_PROGRAMS): Add many_sections_test.
5572         (many_sections_test_SOURCES): Define.
5573         (many_sections_test_DEPENDENCIES): Define.
5574         (many_sections_test_LDFLAGS): Define.
5575         (BUILT_SOURCES): Add many_sections_define.h.
5576         (many_sections_define.h): New target.
5577         (BUILT_SOURCES): Add many_sections_check.h.
5578         (many_sections_check.h): New target.
5579         (check_PROGRAMS): Add many_sections_r_test.
5580         (many_sections_r_test_SOURCES): Define.
5581         (many_sections_r_test_DEPENDENCIES): Define.
5582         (many_sections_r_test_LDFLAGS): Define.
5583         (many_sections_r_test_LDADD): Define.
5584         (many_sections_r_test.o): New target.
5585         * testsuite/Makefile.in: Rebuild.
5586
5587 2008-04-17  Cary Coutant  <ccoutant@google.com>
5588
5589         * errors.cc (Errors::info): New function.
5590         (gold_info): New function.
5591         * errors.h (Errors::info): New function.
5592         * gold.h (gold_info): New function.
5593         * object.cc (Input_objects::add_object): Print trace output.
5594         * options.cc (options::parse_set): New function.
5595         (General_options::parse_wrap): Deleted.
5596         (General_options::General_options): Deleted initializer.
5597         * options.h (options::String_set): New typedef.
5598         (options::parse_set): New function.
5599         (DEFINE_set): New macro.
5600         (General_options::wrap): Changed to use DEFINE_set. Changed
5601         callers of any_wrap_symbols and is_wrap_symbol.
5602         (General_options::trace, General_options::trace_symbol):
5603         New options.
5604         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
5605         (General_options::wrap_symbols_): Deleted.
5606         * symtab.cc (Symbol_table::add_from_object): Print trace output.
5607
5608 2008-04-17  David S. Miller  <davem@davemloft.net>
5609
5610         * options.cc (General_options::parse_V): New function.
5611         * options.h: Add entries for -V and -Qy.
5612
5613 2008-04-17  Ian Lance Taylor  <iant@google.com>
5614
5615         * common.cc (Symbol_table::allocate_commons): Remove options
5616         parameter.  Change caller.
5617         (Symbol_table::do_allocate_commons): Remove options parameter.
5618         Change caller.  Just call do_allocate_commons_list twice.
5619         (Symbol_table::do_allocate_commons_list): New function, broken out
5620         of do_allocate_commons.
5621         * common.h (class Allocate_commons_task): Remove options_ field.
5622         Update constructor.
5623         * symtab.cc (Symbol_table::Symbol_table): Initialize
5624         tls_commons_.
5625         (Symbol_table::add_from_object): Put TLS common symbols on
5626         tls_commons_ list.
5627         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
5628         which are IN_OUTPUT_DATA.
5629         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
5630         allocate_commons and do_allocate_commons declarations.  Declare
5631         do_allocate_commons_list.
5632         * gold.cc (queue_middle_tasks): Update creation of
5633         Allocate_commons_task to not pass options.
5634         * testsuite/Makefile.am (INCLUDES): Add -I.. .
5635         (TLS_TEST_C_FLAGS): New variable.
5636         (tls_test_c_pic.o): New target.
5637         (tls_test_shared.so): Link in tls_test_c_pic.o.
5638         (tls_test_c_pic_ie.o): New target.
5639         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
5640         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
5641         (tls_test_c.o): New target.
5642         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
5643         (tls_pic_test_LDADD): Likewise.
5644         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
5645         (tls_shared_gd_to_ie_test_LDADD): Likewise.
5646         (tls_test_c_gnu2.o): New target.
5647         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
5648         tls_test_c_gnu2.o.
5649         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
5650         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
5651         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
5652         * testsuite/tls_test.cc: Include "config.h".
5653         (t_last): Call t11_last.
5654         * testsuite/tls_test.h (t11, t11_last): Declare.
5655         * testsuite/tls_test_c.c: New file.
5656         * testsuite/tls_test_main.cc (thread_routine): Call t11.
5657         * configure.ac: Check for OpenMP support.
5658         * configure, config.in, Makefile.in: Rebuild.
5659         * testsuite/Makefile.in: Rebuild.
5660
5661 2008-04-16  Cary Coutant  <ccoutant@google.com>
5662
5663         * i386.cc (Target_i386::define_tls_base_symbol): New function.
5664         (Target_i386::tls_base_symbol_defined_): New field.
5665         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5666         (Target_i386::Scan::global): Likewise.
5667         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
5668         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
5669         (Target_x86_64::tls_base_symbol_defined_): New field.
5670         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5671         (Target_x86_64::Scan::global): Likewise.
5672
5673 2008-04-16  Cary Coutant  <ccoutant@google.com>
5674
5675         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
5676         (Symbol::needs_plt_entry): Allow weak undefined symbols.
5677         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
5678         building shared libraries.
5679         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
5680         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
5681         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
5682         * testsuite/Makefile.in: Rebuild.
5683         * testsuite/weak_undef.h: New file.
5684         * testsuite/weak_undef_file1.cc: Add extra test cases.
5685         * testsuite/weak_undef_file2.cc: Likewise.
5686         * testsuite/weak_undef_test.cc: Likewise.
5687
5688 2008-04-16  David S. Miller  <davem@davemloft.net>
5689
5690         * sparc.cc (Target_sparc::Scan): Change from struct to class.
5691         Add issued_non_pic_error_ field.  Declare check_non_pic.
5692         (Target_sparc::Scan::check_non_pic): New function.
5693         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
5694         (Target_sparc::Scan::global): Likewise.
5695
5696         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
5697         * configure: Rebuild.
5698
5699         * options.h (DEFINE_enable): New macro.
5700         (new_dtags): New enable option.
5701         (initfirst, interpose, loadfltr, nodefaultlib,
5702         nodelete, nodlopen, nodump): New -z options.
5703         * layout.cc (Layout:finish_dynamic_section): If new
5704         dtags enabled, emit DT_RUNPATH.  Also, emit a
5705         DT_FLAGS_1 containing any specified -z flags.
5706
5707 2008-04-16  Ian Lance Taylor  <iant@google.com>
5708
5709         * copy-relocs.cc: New file.
5710         * copy-relocs.h: New file.
5711         * reloc.cc: Remove Copy_relocs code.
5712         * reloc.h: Likewise.
5713         * reloc-types.h (struct Reloc_types) [both versions]: Add
5714         get_reloc_addend_noerror.
5715         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
5716         variants of add_global which take an addend which must be zero.
5717         * i386.cc: Include "copy-relocs.h".
5718         (class Target_i386): Change type of copy_relocs_ to variable,
5719         update initializer.
5720         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
5721         Change all callers.
5722         (Target_i386::do_finalize_sections): Change handling of
5723         copy_relocs_.
5724         * sparc.cc: Include "copy-relocs.h".
5725         (class Target_sparc): Change type of copy_relocs_ to variable,
5726         update initializer.
5727         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
5728         Change all callers.
5729         (Target_sparc::do_finalize_sections): Change handling of
5730         copy_relocs_.
5731         * x86_64.cc: Include "copy-relocs.h".
5732         (class Target_x86_64): Change type of copy_relocs_ to variable,
5733         update initializer.
5734         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
5735         class.  Change all callers.
5736         (Target_x86_64::do_finalize_sections): Change handling of
5737         copy_relocs_.
5738         * Makefile.am (CCFILES): Add copy-relocs.cc.
5739         (HFILES): Add copy-relocs.h.
5740
5741         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
5742
5743         * testsuite/script_test_4.sh: Permit leading zeroes.
5744
5745 2008-04-15  Ian Lance Taylor  <iant@google.com>
5746
5747         * script-sections.cc (Script_sections::create_segments): Use
5748         header_size_adjustment even when there is enough room for the
5749         headers.
5750         * testsuite/script_test_4.sh: New file.
5751         * testsuite/script_test_4.t: New file.
5752         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
5753         (check_DATA): Add script_test_4.stdout.
5754         (MOSTLYCLEANFILES): Likewise.
5755         (script_test_4): New target.
5756         (script_test_4.stdout): New target.
5757         * testsuite/Makefile.in: Rebuild.
5758
5759         * sparc.cc: Add definitions for Output_data_plt_sparc class
5760         constants.
5761
5762 2008-04-14  David S. Miller  <davem@davemloft.net>
5763
5764         * sparc.cc: New file.
5765         * Makefile.am (TARGETSOURCES): Add sparc.cc
5766         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
5767         * configure.tgt: Document targ_extra_size and
5768         targ_extra_big_endian.  Add entries for sparc-* and
5769         sparc64-*.
5770         * configure.ac: Handle targ_extra_size and
5771         targ_extra_big_endian.
5772         * Makefile.in: Rebuild.
5773         * configure: Likewise.
5774         * po/POTFILES.in: Likewise.
5775         * po/gold.pot: Likewise.
5776
5777 2008-04-14  Ian Lance Taylor  <iant@google.com>
5778
5779         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
5780         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
5781         in the name/type/flags to section mapping.  Don't call
5782         allocate_output_section.
5783         (Layout::choose_output_section): Change parameter from adjust_name
5784         to is_input_section.  Don't permit input sections after sections
5785         are attached to segments.  Don't call allocate_output_section.
5786         (Layout::layout_eh_frame): Call update_flags_for_input_section,
5787         not write_enable_output_section.
5788         (Layout::make_output_section): Don't push to
5789         unattached_section_list_ nor call attach_to_segment.  Call
5790         attach_section_to_segment if sections are attached.
5791         (Layout::attach_sections_to_segments): New function.
5792         (Layout::attach_section_to_segment): New function.
5793         (Layout::attach_allocated_section_to_segment): Rename from
5794         attach_to_segment.  Remove flags parameter.
5795         (Layout::allocate_output_section): Remove function.
5796         (Layout::write_enable_output_section): Remove function.
5797         * layout.h (class Layout): Update for above changes.  Add new
5798         field sections_are_attached_.
5799         * output.h (Output_section::update_flags_for_input_section): New
5800         function.
5801         * output.cc (Output_section::add_input_section): Call
5802         update_flags_for_input_section.
5803         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
5804
5805 2008-04-11  Cary Coutant  <ccoutant@google.com>
5806
5807         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
5808         thought unnecessary.
5809         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
5810
5811 2008-04-11  Ian Lance Taylor  <iant@google.com>
5812
5813         * output.h (class Output_section_data): Remove inline definition
5814         of set_addralign.
5815         * output.cc (Output_section_data::set_addralign): New function.
5816
5817 2008-04-11  Cary Coutant  <ccoutant@google.com>
5818
5819         Add support for TLS descriptors for i386 and x86_64.
5820         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
5821         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
5822         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
5823         GOT_TYPE_TLS_DESC.
5824         (Target_i386::got_mod_index_entry): Remove unnecessary code.
5825         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
5826         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
5827         relocations.
5828         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
5829         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
5830         Fix problem with initial-exec relocations.
5831         (Target_i386::Relocate::relocate_tls): Likewise.
5832         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
5833         relaxation.
5834         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
5835         support for section-plus-offset dynamic table entries.
5836         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
5837         (Output_data_dynamic::Dynamic_entry): Add support for
5838         section-plus-offset dynamic table entries.
5839         (Output_data_dynamic::Classification): Likewise.
5840         (Output_data_dynamic::classification_): Renamed offset_.
5841         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
5842         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
5843         (Target_x86_64::make_plt_section): New function.
5844         (Target_x86_64::reserve_tlsdesc_entries): New function.
5845         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
5846         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
5847         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
5848         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
5849         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
5850         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
5851         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
5852         add extra PLT entry for TLS descriptors.
5853         (Output_data_plt_x86_64::got_): New field.
5854         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
5855         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
5856         fields.
5857         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
5858         descriptors.
5859         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
5860         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
5861         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
5862         R_386_TLS_DESC_CALL relocations.
5863         (Target_x86_64::Scan::global): Likewise.
5864         (Target_x86_64::do_finalize_sections): Add dynamic table entries
5865         for TLS descriptors.
5866         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
5867         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
5868         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
5869         GD-to-IE relaxation.
5870         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
5871         and TLS_DESCRIPTORS.
5872         * Makefile.in: Rebuild.
5873         * configure: Rebuild.
5874         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
5875         (tls_test_shared2.so): New target.
5876         (tls_shared_gd_to_ie_test_SOURCES): New variable.
5877         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
5878         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
5879         (tls_shared_gd_to_ie_test_LDADD): New variable.
5880         (tls_shared_gnu2_gd_to_ie_test): New target.
5881         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
5882         New targets.
5883         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
5884         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
5885         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
5886         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
5887         (tls_shared_gnu2_test): New target.
5888         (tls_test_gnu2_shared.so): New target.
5889         (tls_shared_gnu2_test_SOURCES): New variable.
5890         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
5891         (tls_shared_gnu2_test_LDFLAGS): New variable.
5892         (tls_shared_gnu2_test_LDADD): New variable.
5893         * testsuite/Makefile.in: Rebuild.
5894         * testsuite/Makefile.
5895
5896 2008-04-11  Ian Lance Taylor  <iant@google.com>
5897
5898         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5899         justsyms.t.
5900         * testsuite/Makefile.in: Rebuild.
5901
5902         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5903         long.
5904         * testsuite/script_test_2.cc (main): Adjust test.
5905
5906 2008-04-11  David S. Miller  <davem@davemloft.net>
5907             Ian Lance Taylor  <iant@google.com>
5908
5909         * options.h (General_options): Add entries for '-Y' and
5910         '-relax'.
5911         * options.cc (General_options:finalize): If -Y was used, add those
5912         entries to the library path instead of the default "/lib" and
5913         "/usr/lib".
5914
5915 2008-04-11  David S. Miller  <davem@davemloft.net>
5916
5917         * testsuite/justsyms.t: Start at 0x100.
5918         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
5919         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5920         long.
5921         * testsuite/script_test_2.cc: Adjust string and section length
5922         checks.
5923
5924 2008-04-09  Ian Lance Taylor  <iant@google.com>
5925
5926         PR gold/5996
5927         * script-sections.cc (Sections_element::allocate_to_segment): Add
5928         orphan parameter.
5929         (Output_section_definition::allocate_to_segment): Likewise.
5930         (Orphan_output_section::allocate_to_segment): Likewise.
5931         (Script_sections::attach_sections_using_phdrs_clause): Don't
5932         propagate non-PT_LOAD segments to orphan sections.
5933         * testsuite/Makefile.am (script_test_3.stdout): Generate using
5934         readelf rather than objdump.
5935         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
5936         .interp section and PT_INTERP segment are the same size.
5937         * testsuite/Makefile.in: Rebuild.
5938
5939         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5940         aliases for symbols defined in the same object.
5941         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5942         (weak_alias_test_SOURCES): New variable.
5943         (weak_alias_test_DEPENDENCIES): New variable.
5944         (weak_alias_test_LDFLAGS): New variable.
5945         (weak_alias_test_LDADD): New variable.
5946         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5947         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5948         (weak_alias_test_3.o): New target.
5949         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5950         * testsuite/weak_alias_test_main.cc: New file.
5951         * testsuite/weak_alias_test_1.cc: New file.
5952         * testsuite/weak_alias_test_2.cc: New file.
5953         * testsuite/weak_alias_test_3.cc: New file.
5954
5955 2008-04-08  Ian Lance Taylor  <iant@google.com>
5956
5957         * options.h (class General_options): Add --noinhibit-exec option.
5958         * main.cc (main): Check --noinhibit-exec.
5959
5960         * options.h (class General_options): Define --wrap as a special
5961         option.  Add wrap_symbols_ field.
5962         (General_options::any_wrap_symbols): New function.
5963         (General_options::is_wrap_symbol): New function.
5964         * options.cc (General_options::parse_wrap): New function.
5965         (General_options::General_options): Initialize wrap_symbols_.
5966         * symtab.cc (Symbol_table::wrap_symbol): New function.
5967         (Symbol_table::add_from_object): Handle --wrap.
5968         * symtab.h (class Symbol_table): Declare wrap_symbol.
5969         * target.h (Target::wrap_char): New function.
5970         (Target::Target_info): Add wrap_char field.
5971         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5972         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5973         * testsuite/testfile.cc (Target_test::test_target_info):
5974         Likewise.
5975
5976         * errors.cc (Errors::undefined_symbol): Mention symbol version if
5977         there is one.
5978
5979         * layout.h (class Layout): Add added_eh_frame_data_ field.
5980         * layout.cc (Layout::Layout): Initialize new field.
5981         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5982         output section until we find a section we merged successfully.
5983         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5984         that the size be non-zero.
5985
5986         * merge.cc (Object_merge_map::get_output_offset): Remove inline
5987         qualifier.
5988
5989 2008-04-08  Craig Silverstein  <csilvers@google.com>
5990
5991         * configure.ac: Export new conditional variable HAVE_ZLIB.
5992         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5993         on HAVE_ZLIB.
5994         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5995         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5996
5997 2008-04-07  Ian Lance Taylor  <iant@google.com>
5998
5999         * version.cc (version_string): Set to "1.5".
6000
6001         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
6002         Add issued_non_pic_error_ field.  Declare check_non_pic.
6003         (Target_x86_64::Scan::check_non_pic): New function.
6004         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
6005         (Target_x86_64::Scan::global): Likewise.
6006
6007         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
6008         addend parameter.  Change caller.  Handle merge sections.
6009         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
6010         Address to Addend.  Don't add in the result of
6011         local_section_offset, pass down the addend and use the returned
6012         value.
6013         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
6014         Update declarations of local_section_offset and symbol_value.
6015         * testsuite/two_file_test_1.cc (t18): New function.
6016         * testsuite/two_file_test_2.cc (f18): New function.
6017         * testsuite/two_file_test_main.cc (main): Call t18.
6018         * testsuite/two_file_test.h (t18, f18): Declare.
6019
6020         * configure.ac: Don't test for objdump, c++filt, or readelf.
6021         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
6022         conditionals.
6023         (TEST_READELF): New variable.
6024         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
6025         (check_PROGRAMS): Add two_file_strip_test.
6026         (two_file_strip_test): New target.
6027         (check_PROGRAMS): Add two_file_same_shared_strip_test.
6028         (two_file_same_shared_strip_test_SOURCES): New variable.
6029         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
6030         (two_file_same_shared_strip_test_LDFLAGS): New variable.
6031         (two_file_same_shared_strip_test_LDADD): New variable.
6032         (two_file_shared_strip.so): New target.
6033         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
6034         (ver_test_5.syms, ver_test_7.syms): Likewise.
6035         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
6036         (strip_test_3.stdout): Use TEST_OBJDUMP.
6037         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6038
6039 2008-04-04  Cary Coutant  <ccoutant@google.com>
6040
6041         * symtab.h (Symbol::is_weak_undefined): New function.
6042         (Symbol::is_strong_undefined): New function.
6043         (Symbol::is_absolute): New function.
6044         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
6045         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
6046         absolute symbols.
6047         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
6048         (weak_undef_test): New target.
6049         * testsuite/Makefile.in: Rebuild.
6050         * testsuite/weak_undef_file1.cc: New file.
6051         * testsuite/weak_undef_file2.cc: New file.
6052         * testsuite/weak_undef_test.cc: New file.
6053
6054 2008-04-03  Craig Silverstein  <csilvers@google.com>
6055
6056         * compressed_output.h (class Output_compressed_section): Use
6057         unsigned buffer.
6058         * compressed_output.cc (zlib_compress): Use unsigned buffers,
6059         add zlib header.
6060         (zlib_compressed_suffix): Removed.
6061         (Output_compressed_section::set_final_data_size): Use unsigned
6062         buffers.
6063         * testsuite/Makefile.am (flagstest_compress_debug_sections):
6064         Fix linker invocation.
6065         (flagstest_o_specialfile_and_compress_debug_sections):
6066         Likewise.
6067         * testsuite/Makefile.in: Regenerated.
6068
6069 2008-04-02  David S. Miller  <davem@davemloft.net>
6070
6071         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
6072         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
6073
6074 2008-04-02  Craig Silverstein  <csilvers@google.com>
6075
6076         * TODO: New file.
6077
6078 2008-04-02  Ian Lance Taylor  <iant@google.com>
6079
6080         * fileread.cc (File_read::find_view): Add byteshift and vshifted
6081         parameters.  Update for new key type to views_.  Change all
6082         callers.
6083         (File_read::read): Adjust for byteshift in returned view.
6084         (File_read::add_view): New function, broken out of
6085         find_and_make_view.
6086         (File_read::make_view): New function, broken out of
6087         find_and_make_view.
6088         (File_read::find_or_make_view): Add offset and aligned
6089         parameters.  Rewrite accordingly.  Change all callers.
6090         (File_read::get_view): Add offset and aligned parameters.  Adjust
6091         for byteshift in return value.
6092         (File_read::get_lasting_view): Likewise.
6093         * fileread.h (class File_read): Update declarations.
6094         (class File_read::View): Add byteshift_ field.  Add byteshift to
6095         constructor.  Add byteshift method.
6096         * archive.h (Archive::clear_uncached_views): New function.
6097         (Archive::get_view): Add aligned parameter.  Change all callers.
6098         * object.h (Object::get_view): Add aligned parameter.  Change all
6099         callers.
6100         (Object::get_lasting_view): Likewise.
6101
6102         * fileread.cc (File_read::release): Don't call clear_views if
6103         there are multiple objects.
6104         * fileread.h (File_read::clear_uncached_views): New function.
6105         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
6106         on the archive.
6107
6108 2008-03-31  Cary Coutant  <ccoutant@google.com>
6109
6110         Add thin archive support.
6111         * archive.cc (Archive::armagt): New const.
6112         (Archive::setup): Remove task parameter and calls to unlock.
6113         (Archive::unlock_nested_archives): New function.
6114         (Archive::read_header): Add nested_off parameter. Change
6115         all callers.
6116         (Archive::interpret_header): Likewise.
6117         (Archive::include_all_members): Change to handle thin
6118         archives.
6119         (Archive::include_member): Likewise.
6120         * archive.h (Archive::Archive): Add new parameters and
6121         initializers.
6122         (Archive::armagt): New const.
6123         (Archive::setup): Remove task parameter.
6124         (Archive::unlock_nested_archives): New function.
6125         (Archive::read_header): Add nested_off parameter.
6126         (Archive::interpret_header): Likewise.
6127         (Archive::Nested_archive_table): New typedef.
6128         (Archive::is_thin_archive_): New field.
6129         (Archive::nested_archives_): New field.
6130         (Archive::options_): New field.
6131         (Archive::dirpath_): New field.
6132         (Archive::task_): New field.
6133         * readsyms.cc (Read_symbols::do_read_symbols): Add check
6134         for thin archives.  Pass additional parameters to
6135         Archive::Archive.  Unlock the archive file after calling
6136         Archive::setup.
6137
6138 2008-03-29  Ian Lance Taylor  <iant@google.com>
6139
6140         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
6141         version symbol to be local.
6142         * testsuite/ver_test_4.sh: New file.
6143         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
6144         (check_DATA): Add ver_test_4.syms.
6145         (ver_test_4.syms): New target.
6146         * testsuite/Makefile.in: Rebuild.
6147
6148         * output.cc
6149         (Output_section::Input_section_sort_entry::has_priority): New
6150         function.
6151         (Output_section::Input_section_sort_entry::match_file_name): New
6152         function.
6153         (Output_section::Input_section_sort_entry::match_section_name):
6154         Remove.
6155         (Output_section::Input_section_sort_entry::match_section_name_prefix):
6156         Remove.
6157         (Output_section::Input_section_sort_entry::match_section_file):
6158         Remove.
6159         (Output_section::Input_section_sort_compare::operator()): Rewrite
6160         using new Input_section_sort_entry functions.  Sort crtbegin and
6161         crtend first.  Sort sections with no priority before sections with
6162         a priority.
6163         * testsuite/initpri1.c (d3): Check j != 4.
6164         (cd5): New constructor/destructor function.
6165         (main): Check j != 2.
6166
6167         * symtab.cc (Symbol_table::add_from_object): If we don't use the
6168         new symbol when resolving, don't call set_is_default.
6169         * testsuite/ver_test_7.cc: New file.
6170         * testsuite/ver_test_7.sh: New file.
6171         * testsuite/Makefile.am (ver_test_7.so): New target.
6172         (ver_test_7.o): New target.
6173         (check_SCRIPTS): Add ver_test_7.sh.
6174         (check_DATA): Add ver_test_7.syms.
6175         (ver_test_7.syms): New target.
6176
6177 2008-03-28  Ian Lance Taylor  <iant@google.com>
6178
6179         * layout.cc (Layout::layout): If we see an input section with a
6180         name that needs sorting, set the must_sort flag for the output
6181         section.
6182         (Layout::make_output_section): If the name of the output section
6183         indicates that it might require sorting, set the may_sort flag.
6184         * output.h (Output_section::may_sort_attached_input_sections): New
6185         function.
6186         (Output_section::set_may_sort_attached_input_sections): New
6187         function.
6188         (Output_section::must_sort_attached_input_sections): New
6189         function.
6190         (Output_section::set_must_sort_attached_input_sections): New
6191         function.
6192         (class Output_section): Declare Input_section_sort_entry.  Define
6193         Input_section_sort_compare.  Declare
6194         sort_attached_input_sections.  Add new fields:
6195         may_sort_attached_input_sections_,
6196         must_sort_attached_input_sections_,
6197         attached_input_sections_are_sorted_.
6198         * output.cc (Output_section::Output_section): Initialize new
6199         fields.
6200         (Output_section::add_input_section): Add an entry to
6201         input_sections_ if may_sort or must_sort are true.
6202         (Output_section::set_final_data_size): Call
6203         sort_attached_input_sections if necessary.
6204         (Output_section::Input_section_sort_entry): Define new class.
6205         (Output_section::Input_section_sort_compare::operator()): New
6206         function.
6207         (Output_section::sort_attached_input_sections): New function.
6208         * configure.ac: Check whether the compiler supports constructor
6209         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
6210         * testsuite/initpri1.c: New file.
6211         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
6212         CONSTRUCTOR_PRIORITY.
6213         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
6214         (initpri1_LDFLAGS): New variable.
6215         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6216
6217 2008-03-27  Ian Lance Taylor  <iant@google.com>
6218
6219         * common.cc (Sort_commons::operator): Correct sorting algorithm.
6220         * testsuite/common_test_1.c: New file.
6221         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
6222         (common_test_1_SOURCES): New variable.
6223         (common_test_1_DEPENDENCIES): New variable.
6224         (common_test_1_LDFLAGS): New variable.
6225
6226         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
6227         and commons_ correctly when NAME/VERSION does not override
6228         NAME/NULL.
6229         * testsuite/ver_test_6.c: New file.
6230         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
6231         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
6232         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
6233
6234 2008-03-26  Ian Lance Taylor  <iant@google.com>
6235
6236         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
6237         of an undefined symbol from a version script.
6238         * testsuite/Makefile.am (ver_test_5.so): New target.
6239         (ver_test_5.o): New target.
6240         (check_SCRIPTS): Add ver_test_5.sh.
6241         (check_DATA): Add ver_test_5.syms.
6242         (ver_test_5.syms): New target.
6243         * testsuite/ver_test_5.cc: New file.
6244         * testsuite/ver_test_5.script: New file.
6245         * testsuite/ver_test_5.sh: New file.
6246         * Makefile.in, testsuite/Makefile.in: Rebuild.
6247
6248         PR gold/5986
6249         Fix problems building gold with gcc 4.3.0.
6250         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
6251         (gold_error_at_location, gold_warning_at_location): Use it.
6252         * configure.ac: Check whether we can compile and use a template
6253         function with a printf attribute.
6254         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
6255         when jumping over bytes.
6256         * object.cc: Instantiate Object::read_section_data.
6257         * debug.h: Include <cstring>
6258         * dwarf_reader.cc: Include <algorithm>
6259         * main.cc: Include <cstring>.
6260         * options.cc: Include <cstring>.
6261         * output.cc: Include <cstring>.
6262         * script.cc: Include <cstring>.
6263         * script.h: Include <string>.
6264         * symtab.cc: Include <cstring> and <algorithm>.
6265         * target-select.cc: Include <cstring>.
6266         * version.cc: Include <string>.
6267         * testsuite/testmain.cc: Include <cstdlib>.
6268         * configure, config.in: Rebuild.
6269
6270 2008-03-25  Ian Lance Taylor  <iant@google.com>
6271
6272         * options.cc: Include "../bfd/bfdver.h".
6273         (options::help): Print bug reporting address.
6274
6275         * version.cc (print_version): Adjust output for current value of
6276         BFD_VERSION_STRING.
6277
6278         * NEWS: New file.
6279
6280         * options.cc (options::help): Print list of supported targets.
6281         * target-select.h: Include <vector>.
6282         (class Target_selector): Make machine_, size_, and is_big_endian_
6283         fields const.  Add bfd_name_ and instantiated_target_ fields.
6284         (Target_selector::Target_selector): Add bfd_name parameter.
6285         (Target_selector::recognize): Make non-virtual, call
6286         do_recognize.
6287         (Target_selector::recognize_by_name): Make non-virtual, call
6288         do_recognize_by_name.
6289         (Target_selector::supported_names): New function.
6290         (Target_selector::bfd_name): New function.
6291         (Target_selector::do_instantiate_target): New pure virtual
6292         function.
6293         (Target_selector::do_recognize): New virtual function.
6294         (Target_selector::do_recognize_by_name): New virtual function.
6295         (Target_selector::instantiate_target): New private function.
6296         (supported_target_names): Declare.
6297         * target-select.cc (Target_selector::Target_selector): Update for
6298         new parameter and fields.
6299         (select_target_by_name): Check that the name matches before
6300         calling recognize_by_name.
6301         (supported_target_names): New function.
6302         * i386.cc (class Target_selector_i386): Update Target_selector
6303         constructor call.  Remove recognize and recognize_by_name.  Add
6304         do_instantiate_target.
6305         * x86_64.cc (class Target_selector_x86_64): Likewise.
6306         * testsuite/testfile.cc (class Target_selector_test): Update for
6307         changes to Target_selector.
6308
6309         * README: Rewrite, with some notes on unsupported features.
6310
6311 2008-03-24  Cary Coutant  <ccoutant@google.com>
6312
6313         * i386.cc (Target_i386::Got_type): New enum declaration.
6314         (Target_i386::Scan::local): Updated callers of Output_data_got
6315         member functions.
6316         (Target_i386::Scan::global): Likewise.
6317         (Target_i386::Relocate::relocate): Likewise.
6318         (Target_i386::Relocate::relocate_tls): Likewise.
6319         * object.h (Got_offset_list): New class.
6320         (Sized_relobj::local_has_got_offset): Added got_type parameter.
6321         (Sized_relobj::local_got_offset): Likewise.
6322         (Sized_relobj::set_local_got_offset): Likewise.
6323         (Sized_relobj::local_has_tls_got_offset): Removed.
6324         (Sized_relobj::local_tls_got_offset): Removed.
6325         (Sized_relobj::set_local_tls_got_offset): Removed.
6326         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
6327         * output.cc (Output_data_got::add_global): Added got_type parameter.
6328         (Output_data_got::add_global_with_rel): Likewise.
6329         (Output_data_got::add_global_with_rela): Likewise.
6330         (Output_data_got::add_global_pair_with_rel): New function.
6331         (Output_data_got::add_global_pair_with_rela): New function.
6332         (Output_data_got::add_local): Added got_type parameter.
6333         (Output_data_got::add_local_with_rel): Likewise.
6334         (Output_data_got::add_local_with_rela): Likewise.
6335         (Output_data_got::add_local_pair_with_rel): New function.
6336         (Output_data_got::add_local_pair_with_rela): New function.
6337         (Output_data_got::add_global_tls): Removed.
6338         (Output_data_got::add_global_tls_with_rel): Removed.
6339         (Output_data_got::add_global_tls_with_rela): Removed.
6340         (Output_data_got::add_local_tls): Removed.
6341         (Output_data_got::add_local_tls_with_rel): Removed.
6342         (Output_data_got::add_local_tls_with_rela): Removed.
6343         * output.h (Output_data_got::add_global): Added got_type parameter.
6344         (Output_data_got::add_global_with_rel): Likewise.
6345         (Output_data_got::add_global_with_rela): Likewise.
6346         (Output_data_got::add_global_pair_with_rel): New function.
6347         (Output_data_got::add_global_pair_with_rela): New function.
6348         (Output_data_got::add_local): Added got_type parameter.
6349         (Output_data_got::add_local_with_rel): Likewise.
6350         (Output_data_got::add_local_with_rela): Likewise.
6351         (Output_data_got::add_local_pair_with_rel): New function.
6352         (Output_data_got::add_local_pair_with_rela): New function.
6353         (Output_data_got::add_global_tls): Removed.
6354         (Output_data_got::add_global_tls_with_rel): Removed.
6355         (Output_data_got::add_global_tls_with_rela): Removed.
6356         (Output_data_got::add_local_tls): Removed.
6357         (Output_data_got::add_local_tls_with_rel): Removed.
6358         (Output_data_got::add_local_tls_with_rela): Removed.
6359         * resolve.cc (Symbol::override_base_with_special): Removed
6360         reference to has_got_offset_ field.
6361         * symtab.cc (Symbol::init_fields): Replaced initialization
6362         of got_offset_ with got_offsets_.  Removed initialization
6363         of has_got_offset_
6364         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
6365         (Symbol::got_offset): Likewise.
6366         (Symbol::set_got_offset): Likewise.
6367         (Symbol::has_tls_got_offset): Removed.
6368         (Symbol::tls_got_offset): Removed.
6369         (Symbol::set_tls_got_offset): Removed.
6370         (Symbol::got_offset_): Removed.
6371         (Symbol::tls_mod_got_offset_): Removed.
6372         (Symbol::tls_pair_got_offset_): Removed.
6373         (Symbol::got_offsets_): New field.
6374         (Symbol::has_got_offset): Removed.
6375         (Symbol::has_tls_mod_got_offset): Removed.
6376         (Symbol::has_tls_pair_got_offset): Removed.
6377         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
6378         (Target_x86_64::Scan::local): Updated callers of Output_data_got
6379         member functions.
6380         (Target_x86_64::Scan::global): Likewise.
6381         (Target_x86_64::Relocate::relocate): Likewise.
6382         (Target_x86_64::Relocate::relocate_tls): Likewise.
6383
6384 2008-03-25  Ben Elliston  <bje@au.ibm.com>
6385
6386         * yyscript.y: Fix spelling error in comment.
6387
6388 2008-03-24  Ian Lance Taylor  <iant@google.com>
6389
6390         * options.h (class General_options): Define build_id option.
6391         * layout.h (class Layout): Declare write_build_id, create_note,
6392         create_build_id.  Add build_id_note_ member.
6393         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
6394         "libiberty.h", "md5.h", "sha1.h".
6395         (Layout::Layout): Initialize eh_frame_data_,
6396         eh_frame_hdr_section_, and build_id_note_.
6397         (Layout::finalize): Call create_build_id.
6398         (Layout::create_note): New function, broken out of
6399         Layout::create_gold_note.
6400         (Layout::create_gold_note): Call create_note.
6401         (Layout::create_build_id): New function.
6402         (Layout::write_build_id): New function.
6403         (Close_task_runner::run): Call write_build_id.
6404
6405         * x86_64.cc: Correct license to GPLv3.
6406
6407 2008-03-23  Ian Lance Taylor  <iant@google.com>
6408
6409         * options.cc: Include "demangle.h".
6410         (parse_optional_string): New function.
6411         (parse_long_option): Handle takes_optional_argument.
6412         (parse_short_option): Update dash_z initializer.  Handle
6413         takes_optional_argument.
6414         (General_options::General_options): Initialize do_demangle_.
6415         (General_options::finalize): Set do_demangle_.  Handle demangling
6416         style.
6417         * options.h (parse_optional_string): Declare.
6418         (struct One_option): Add optional_arg field.  Update constructor.
6419         Update call constructor calls.  Add takes_optional_argument
6420         function.
6421         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
6422         (DEFINE_optional_string): Define.
6423         (General_options::demangle): Change from DEFINE_bool to
6424         DEFINE_optional_string.
6425         (General_options::no_demangle): New function.
6426         (General_options::do_demangle): New function.
6427         (General_options::set_do_demangle): New function.
6428         (General_options::execstack_status_): Move definition to end of
6429         class definition.
6430         (General_options::static_): Likewise.
6431         (General_options::do_demangle_): New field.
6432         * object.cc (big_endian>::get_symbol_location_info): Call
6433         Options::do_demangle, not Options::demangle.
6434         * symtab.cc (demangle): Likewise.
6435
6436 2008-03-22  Ian Lance Taylor  <iant@google.com>
6437
6438         * gold.h: Include <cstddef> and <sys/types.h>
6439         * options.h: Include <cstring>.
6440
6441 2008-03-21  Ian Lance Taylor  <iant@google.com>
6442
6443         * Added source code to GNU binutils.