gold/ChangeLog

   1 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
   2
   3         * po/Make-in (.po.gmo): Don't generate .gmo files in source
   4         tree.
   5
   6 2009-10-30  Doug Kwan  <dougkwan@google.com>
   7
   8         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
   9
  10 2009-10-30  Doug Kwan  <dougkwan@google.com>
  11
  12         * arm.cc (Stub_addend_reader): New struct template definition
  13         and partial specializations.
  14         (Stub_addend_reader::operator()): New method definition for a
  15         partially specialized template.
  16
  17 2009-10-30  Doug Kwan  <dougkwan@google.com>
  18
  19         * arm.cc (Arm_relobj::processor_specific_flags): New method
  20         definition.
  21         (Arm_relobj::do_read_symbols): New method declaration.
  22         (Arm_relobj::processor_specific_flags_): New data member declaration.
  23         (Arm_dynobj): New class definition.
  24         (Target_arm::do_finalize_sections): Add input_objects parameter.
  25         (Target_arm::do_adjust_elf_header): New method declaration.
  26         (Target_arm::are_eabi_versions_compatible,
  27         (Target_arm::merge_processor_specific_flags): New method declaration.
  28         (Target_arm::do_make_elf_object): New overloaded method definitions
  29         and declaration.
  30         (Arm_relobj::do_read_symbols): New method definition.
  31         (Arm_dynobj::do_read_symbols): Ditto.
  32         (Target_arm::do_finalize_sections): Add input_objects parameters.
  33         Merge processor-specific flags from all input objects.
  34         (Target_arm::are_eabi_versions_compatible,
  35         Target_arm::merge_processor_specific_flags,
  36         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
  37         New method definitions.
  38         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
  39         Input_objects pointer type parameter.
  40         * layout.cc (Layout::finalize): Pass input objects to target's.
  41         finalize_sections function.
  42         * output.cc (Output_file_header::do_sized_write): Set ELF file
  43         header's processor-specific flags.
  44         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
  45         Input_objects pointer type parameter.
  46         * sparc.cc (Target_sparc::do_finalize_sections): Same.
  47         * target.h (Input_objects): New forward class declaration.
  48         (Target::processor_specific_flags,
  49         Target::are_processor_specific_flags_sect): New method definitions.
  50         (Target::finalize_sections): Add input_objects parameter.
  51         (Target::Target): Initialize processor_specific_flags_ and
  52         are_processor_specific_flags_set_.
  53         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
  54         parameter.
  55         (Target::set_processor_specific_flags): New method definition.
  56         (Target::processor_specific_flags_,
  57         Target::are_processor_specific_flags_set_): New data member
  58         declarations.
  59         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
  60         Input_objects pointer type parameter.
  61
  62 2009-10-30  Doug Kwan  <dougkwan@google.com>
  63
  64         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
  65
  66 2009-10-28  Ian Lance Taylor  <iant@google.com>
  67
  68         * object.h (class Relobj): Drop options parameter from
  69         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
  70         do_scan_relocs, do_relocate.  Change all callers.
  71         (class Sized_relobj): Drop options parameters from
  72         do_gc_process_relocs, do_scan_relocs, do_relocate,
  73         do_relocate_sections, relocate_sections, emit_relocs_scan,
  74         emit_relocs_scan_reltype.  Change all callers.
  75         (struct Relocate_info): Remove options field and all references to
  76         it.
  77         * reloc.h (class Read_relocs): Remove options constructor
  78         parameter and options_ field.  Change all callers.
  79         (class Gc_process_relocs, class Scan_relocs): Likewise.
  80         (class Relocate_task): Likewise.
  81         * target-reloc.h (scan_relocs): Remove options parameter.  Change
  82         all callers.
  83         (scan_relocatable_relocs): Likewise.
  84         * target.h (class Sized_target): Remove options parameter from
  85         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
  86         all callers.
  87         * gc.h (gc_process_relocs): Remove options parameter.  Change all
  88         callers.
  89         * arm.cc: Update functions to remove options parameters.
  90         * i386.cc: Likewise.
  91         * powerpc.cc: Likewise.
  92         * sparc.cc: Likewise.
  93         * x86_64.cc: Likewise.
  94         * testsuite/testfile.cc: Likewise.
  95
  96 2009-10-28  Doug Kwan  <dougkwan@google.com>
  97
  98         * arm.cc (Arm_relobj): New class definition.
  99         (Arm_relobj::scan_sections_for_stubs,
 100         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
 101         New method definitions.
 102
 103 2009-10-28  Cary Coutant  <ccoutant@google.com>
 104
 105         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
 106         (Plugin::cleanup_done_): New member.
 107         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
 108         (Plugin_manager::cleanup_done_): Remove.
 109         (Plugin_manager::add_input_file): Edit error message.
 110         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
 111         (Plugin_manager::cleanup): Remove use of cleanup_done_.
 112
 113 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
 114
 115         * fileread.cc: (File_read::View::~View): Use the new
 116         data_ownership_ filed.
 117         (File_read::~File_read): Dispose the new whole_file_view_.
 118         (File_read::open): Mmap the whole file if needed.
 119         (File_read::open): Use whole_file_view_ instead of contents_.
 120         (File_read::find_view): Use whole_file_view_ if applicable.
 121         (File_read::do_read): Use whole_file_view_ instead of contents_.
 122         (File_read::make_view): Use whole_file_view_ instead of contents_,
 123         update File_read::View::View call.
 124         (File_read::find_or_make_view): Update File_read::View::View
 125         call.
 126         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
 127         remove contents_
 128         (File_read::View::Data_ownership): New enum.
 129         (File_read::View::View): Replace bool mapped_ with Data_ownership
 130         argument.
 131         (File_read::View::mapped_): Remove (replaced by data_ownership_).
 132         (File_read::View::data_ownership_): New field.
 133         (File_read::contents_): Remove (replaced by whole_file_view_).
 134         (File_read::whole_file_view_): New field.
 135         * options.h (class General_options): Add --keep-files-mapped.
 136
 137 2009-10-27  Cary Coutant  <ccoutant@google.com>
 138
 139         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
 140         * testsuite/Makefile.am (plugin_test_5): New test case.
 141         * testsuite/Makefile.in: Regenerate.
 142
 143 2009-10-25  Doug Kwan  <dougkwan@google.com>
 144
 145         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
 146         from private to protected to allow access by child class.
 147         (Sized_relobj::do_relocate_sections): New method declaration.
 148         (Sized_relobj::relocate_sections): Virtualize.
 149         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
 150         Sized_relobj::relocate_sections.  Instantiate template explicitly
 151         for different target sizes and endianity.
 152
 153 2009-10-24  Doug Kwan  <dougkwan@google.com>
 154
 155         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
 156         (Arm_input_section::as_arm_input_section): New method.
 157         (Arm_output_section): New class definition.
 158         (Arm_output_section::create_stub_group,
 159         Arm_output_section::group_sections): New method definitions.
 160
 161 2009-10-22  Doug Kwan  <dougkwan@google.com>
 162
 163         * arm.cc (Arm_input_section): New class definition.
 164         (Arm_input_section::init, Arm_input_section:do_write,
 165         Arm_input_section::set_final_data_size,
 166         Arm_input_section::do_reset_address_and_file_offset): New method
 167         definitions.
 168
 169 2009-10-21  Doug Kwan  <dougkwan@google.com>
 170
 171         * arm.cc (Stub_table, Arm_input_section): New forward class
 172         declarations.
 173         (Stub_table): New class defintion.
 174         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
 175         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
 176         New method definition.
 177
 178 2009-10-21  Doug Kwan  <dougkwan@google.com>
 179
 180         * arm.cc: Update copyright comments.
 181         (Target_arm): New forward class template declaration.
 182         (Arm_address): New type.
 183         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
 184         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
 185         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
 186         constants.
 187         (Insn_template): Same.
 188         (DEF_STUBS): New macro.
 189         (Stub_type): New enum type.
 190         (Stub_template): New class definition.
 191         (Stub): Same.
 192         (Reloc_stub): Same.
 193         (Stub_factory): Same.
 194         (Target_arm::Target_arm): Initialize may_use_blx_ and
 195         should_force_pic_veneer_.
 196         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
 197         Target_arm::should_force_pic_veneer,
 198         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
 199         Target_arm::using_thumb_only, Target_arm:;default_target): New
 200         method defintions.
 201         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
 202         New data member declarations.
 203         (Insn_template::size, Insn_template::alignment): New method defintions.
 204         (Stub_template::Stub_template): New method definition.
 205         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
 206         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
 207         (Stub_factory::Stub_factory): New method definition.
 208         * gold.h (string_hash): New template.
 209         * output.h (Input_section_specifier::hash_value): Use
 210         gold::string_hash.
 211         (Input_section_specifier::string_hash): Remove.
 212         * stringpool.cc (Stringpool_template::string_hash): Use
 213         gold::string_hash.
 214
 215 2009-10-20  Doug Kwan  <dougkwan@google.com>
 216
 217         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
 218         symbols of relaxed input sections.
 219         * output.h (Output_section::find_relaxed_input_section): Make
 220         method public.
 221
 222 2009-10-16  Doug Kwan  <dougkwan@google.com>
 223
 224         * dynobj.cc (Versions::Versions): Initialize version_script_.
 225         Only insert base version symbol definition for a shared object
 226         if version script defines any version versions.
 227         (Versions::define_base_version): New method definition.
 228         (Versions::add_def): Check that base version is not needed.
 229         (Versions::add_need): Define base version lazily.
 230         * dynobj.h (Versions::define_base_version): New method declaration.
 231         (Versions::needs_base_version_): New data member declaration.
 232         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
 233         (check_DATA): Add no_version_test.stdout.
 234         (libno_version_test.so, no_version_test.o no_version_test.stdout):
 235         New make rules.
 236         * testsuite/Makefile.in: Regenerate.
 237         * testsuite/no_version_test.c: New file.
 238         * testsuite/no_version_test.sh: Ditto.
 239
 240 2009-10-16  Doug Kwan  <dougkwan@google.com>
 241
 242         * expression.cc (class Segment_start_expression): New class definition.
 243         (Segment_start_expression::value): New method definition.
 244         (script_exp_function_segment_start): Return a new
 245         Segment_start_expression.
 246         * gold/script-c.h (script_saw_segment_start_expression): New function
 247         prototype.
 248         * script-sections.cc (Script_sections::Script_sections): Initialize
 249         SAW_SEGMENT_START_EXPRESSION_ to false.
 250         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
 251         and -Tbbs options to specify section addresses if given in
 252         command line and no SEGMENT_START expression is seen in a script.
 253         * script-sections.h (Script_sections::saw_segment_start_expression,
 254         Script_sections::set_saw_segment_start_expression): New method
 255         definition.
 256         (Script_sections::saw_segment_start_expression_): New data member
 257         declaration.
 258         * script.cc (script_saw_segment_start_expression): New function.
 259         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
 260         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
 261         script_test_7.sh and script_test_8.sh.
 262         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
 263         script_test_8.stdout.
 264         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
 265         (script_test_6, script_test_6.stdout, script_test_7,
 266         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
 267         * Makefile.in: Regenerate.
 268         * testsuite/script_test_6.sh: New file.
 269         * testsuite/script_test_6.t: Same.
 270         * testsuite/script_test_7.sh: Same.
 271         * testsuite/script_test_7.t: Same.
 272         * testsuite/script_test_8.sh: Same.
 273
 274 2009-10-16  Doug Kwan  <dougkwan@google.com>
 275
 276         * output.cc (Output_segment::set_section_list_address): Cast
 277         expressions to unsigned long long type to avoid format warnings.
 278
 279 2009-10-15  Ian Lance Taylor  <iant@google.com>
 280
 281         * script.cc (Script_options::add_symbol_assignment): Always add a
 282         dot assginment to script_sections_.
 283         * script-sections.cc (Script_sections::add_dot_assignment):
 284         Initialize if necessary.
 285
 286         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
 287         program headers with no load segment if there is a linker script.
 288
 289         * layout.cc (Layout::set_segment_offsets): Align the file offset
 290         to the segment aligment for -N or -n with no load segment.
 291         * output.cc (Output_segment::add_output_section): Don't crash if
 292         the first section is a TLS section.
 293         (Output_segment::set_section_list_addresses): Print an error
 294         message if the address moves backward in a linker script.
 295         * script-sections.cc
 296         (Output_section_element_input::set_section_addresses): Don't
 297         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
 298         (Orphan_output_section::set_section_addresses): Likewise.
 299
 300 2009-10-15  Doug Kwan  <dougkwan@google.com>
 301
 302         * layout.cc (Layout::finish_dynamic_section): Generate tags
 303         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
 304         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
 305         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
 306
 307 2009-10-14  Ian Lance Taylor  <iant@google.com>
 308
 309         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
 310         fields.
 311         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
 312         data_shdr fields of relinfo.
 313         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
 314         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
 315         R_386_TLS_LDO_32, adjust based on section flags.
 316         (Target_i386::Relocate::fix_up_ldo): Remove.
 317
 318 2009-10-13  Ian Lance Taylor  <iant@google.com>
 319
 320         Add support for -pie.
 321         * options.h (class General_options): Add -pie and
 322         --pic-executable.
 323         (General_options::output_is_position_independent): Test -pie.
 324         (General_options::output_is_executable): Return true if not shared
 325         and not relocatable.
 326         (General_options::output_is_pie): Remove.
 327         * options.cc (General_options::finalize): Reject incompatible uses
 328         of -pie.
 329         * gold.cc (queue_middle_tasks): A -pie link is not static.
 330         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
 331         * symtab.cc (Symbol::final_value_is_known): Return false if
 332         output_is_position_independent.
 333         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
 334         output_is_position_independent.
 335         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
 336         output_is_position_independent.
 337         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
 338         output_is_position_independent.
 339         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
 340         two_file_pie_test.
 341         (basic_pie_test.o, basic_pie_test): New targets.
 342         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
 343         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
 344         (two_file_pie_test): New target.
 345         * testsuite/Makefile.in: Rebuild.
 346         * README: Remove note saying that -pie is not supported.
 347
 348 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 349
 350         * options.h (class General_options): Add -init and -fini.
 351         * layout.cc (Layout::finish_dynamic_section): Emit
 352         given init and fini functions.
 353
 354 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
 355
 356         * gc.h (gc_process_relocs): Check if icf is enabled using new
 357         function.
 358         * gold.cc (queue_initial_tasks): Likewise.
 359         (queue_middle_tasks): Likewise.
 360         * object.cc (do_layout): Likewise.
 361         * symtab.cc (is_section_folded): Likewise.
 362         * main.cc (main): Likewise.
 363         * reloc.cc (Read_relocs::run): Likewise.
 364         (Sized_relobj::do_scan_relocs): Likewise.
 365         * icf.cc (is_function_ctor_or_dtor): New function.
 366         (Icf::find_identical_sections): Check if function is ctor or dtor when
 367         safe icf is chosen.
 368         * options.h (General_options::icf): Change option to be an enum.
 369         (Icf_status): New enum.
 370         (icf_enabled): New method.
 371         (icf_safe_folding): New method.
 372         (set_icf_status): New method.
 373         (icf_status_): New variable.
 374         * (options.cc) (General_options::finalize): Set icf_status_.
 375         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
 376         icf_test and icf_keep_unique_test to use the --icf enum flag.
 377         * testsuite/icf_safe_test.sh: New file.
 378         * testsuite/icf_safe_test.cc: New file.
 379
 380 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
 381
 382         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
 383         includes to gc.h and icf.h.
 384         * arm.cc: Include gc.h.
 385         * gold.cc: Likewise.
 386         * i386.cc: Likewise.
 387         * powerpc.cc: Likewise.
 388         * sparc.cc: Likewise.
 389         * x86_64.cc: Likewise.
 390         * gc.h: Include icf.h.
 391
 392 2009-10-11  Ian Lance Taylor  <iant@google.com>
 393
 394         * plugin.cc: Include "gold.h" before other header files.
 395
 396 2009-10-10  Chris Demetriou  <cgd@google.com>
 397
 398         * options.h (Input_file_argument::Input_file_type): New enum.
 399         (Input_file_argument::is_lib_): Replace with...
 400         (Input_file_argument::type_): New member.
 401         (Input_file_argument::Input_file_argument): Take Input_file_type
 402         'type' rather than boolean 'is_lib' as second argument.
 403         (Input_file_argument::is_lib): Use type_.
 404         (Input_file_argument::is_searched_file): New function.
 405         (Input_file_argument::may_need_search): Handle is_searched_file.
 406         * options.cc (General_options::parse_library): Support -l:filename.
 407         (General_options::parse_just_symbols): Update for Input_file_argument
 408         changes.
 409         (Command_line::process): Likewise.
 410         * archive.cc (Archive::get_file_and_offset): Likewise.
 411         * plugin.cc (Plugin_manager::release_input_file): Likewise.
 412         * script.cc (read_script_file, script_add_file): Likewise.
 413         * fileread.cc (Input_file::Input_file): Likewise.
 414         (Input_file::will_search_for): Handle is_searched_file.
 415         (Input_file::open): Likewise.
 416         * readsyms.cc (Read_symbols::get_name): Likewise.
 417         * testsuite/Makefile.am (searched_file_test): New test.
 418         * testsuite/Makefile.in: Regenerate.
 419         * testsuite/searched_file_test.cc: New file.
 420         * testsuite/searched_file_test_lib.cc: New file.
 421
 422 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 423             Ian Lance Taylor  <iant@google.com>
 424
 425         * descriptor.cc: Include <cstdio> and "binary-io.h".
 426         (Descriptors::open): Open the files in binary mode always.
 427         * script.cc (Lex::get_token): Treat \r as whitespace.
 428
 429 2009-10-09  Ian Lance Taylor  <iant@google.com>
 430
 431         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
 432
 433 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 434             Ian Lance Taylor  <iant@google.com>
 435
 436         * configure.ac: Check for readv function also.
 437         * fileread.cc (readv): Define if not HAVE_READV.
 438         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
 439         does not exist.
 440         * config.in: Regenerate.
 441         * configure: Regenerate.
 442
 443 2009-10-09  Doug Kwan  <dougkwan@google.com>
 444
 445         * layout.cc (Layout::make_output_section): Call target hook to make
 446         ordinary output section.
 447         (Layout::finalize): Adjust parameter list of call the
 448         Target::may_relax().
 449         * layout.h (class Layout::section_list): New method.
 450         * merge.h (Output_merge_base::entsize): Change visibility to public.
 451         (Output_merge_base::is_string, Output_merge_base::do_is_string):
 452         New methods.
 453         (Output_merge_string::do_is_string): New method.
 454         * object.cc (Sized_relobj::do_setup): renamed from
 455         Sized_relobj::set_up.
 456         * object.h (Sized_relobj::adjust_shndx,
 457         Sized_relobj::initializ_input_to_output_maps,
 458         Sized_relobj::free_input_to_output_maps): Change visibilities to
 459         protected.
 460         (Sized_relobj::setup): Virtualize.
 461         (Sized_relobj::do_setup): New method declaration.
 462         (Sized_relobj::invalidate_section_offset,
 463         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
 464         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
 465         * options.cc (parse_int): New function.
 466         * options.h (parse_int): New declaration.
 467         (DEFINE_int): New macro.
 468         (stub_group_size): New option.
 469         * output.cc (Output_section::Output_section): Initialize memebers
 470         merge_section_map_, merge_section_by_properties_map_,
 471         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
 472         (Output_section::add_input_section): Handled deferred code-fill
 473         generation and remove an old comment.
 474         (Output_section::add_relaxed_input_section): New method definition.
 475         (Output_section::add_merge_input_section): Use merge section by
 476         properties map to speed to search.  Update merge section maps
 477         as appropriate.
 478         (Output_section::build_relaxation_map): New method definition.
 479         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
 480         Same.
 481         (Output_section::relax_input_section): Renamed to
 482         Output_section::convert_input_sections_to_relaxed_sections and change
 483         interface to take a vector of pointers to relaxed sections.
 484         (Output_section::find_merge_section,
 485         Output_section::find_relaxed_input_section): New method definitions.
 486         (Output_section::is_input_address_mapped,
 487         Output_section::output_offset, Output_section::output_address):
 488         Use output section data maps to speed up searching.
 489         (Output_section::find_starting_output_address): Add comments.
 490         (Output_section::do_write,
 491         Output_section::write_to_postprocessing_buffer): Do code-fill
 492         generation as appropriate.
 493         (Output_section::get_input_sections): Invalidate relaxed input section
 494         map.
 495         (Output_section::restore_states): Adjust type of checkpoint .
 496         Invalidate relaxed input section map.
 497         * output.h (Output_merge_base): New class declaration.
 498         (Input_section_specifier): New class defintion.
 499         (class Output_relaxed_input_section) Change base class to
 500         Output_section_data_build.
 501         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
 502         base class initializer.
 503         (Output_section::add_relaxed_input_section): New method declaration.
 504         (Output_section::Input_section): Change visibility to protected.
 505         (Output_section::Input_section::relobj,
 506         Output_section::Input_section::shndx): Handle relaxed input sections.
 507         Output_section::input_sections) Change visibility to protected.  Also
 508         define overload to return a non-const pointer.
 509         (Output_section::Merge_section_properties): New class defintion.
 510         (Output_section::Merge_section_by_properties_map,
 511         Output_section::Output_section_data_by_input_section_map,
 512         Output_section::Relaxation_map): New types.
 513         (Output_section::relax_input_section): Rename method to
 514         Output_section::convert_input_sections_to_relaxed_sections and change
 515         interface to take a vector of relaxed section pointers.
 516         (Output_section::find_merge_section,
 517         Output_section::find_relaxed_input_section,
 518         Output_section::build_relaxation_map,
 519         Output_section::convert_input_sections_in_list_to_relaxed_sections):
 520         New method declarations.
 521         (Output_section::merge_section_map_
 522         Output_section::merge_section_by_properties_map_,
 523         Output_section::relaxed_input_section_map_,
 524         Output_section::is_relaxed_input_section_map_valid_,
 525         Output_section::generate_code_fills_at_write_): New data members.
 526         * script-sections.cc
 527         (Output_section_element_input::set_section_addresses): Call
 528         current_data_size and addralign methods of relaxed input sections.
 529         (Orphan_output_section::set_section_addresses): Call current_data_size
 530         and addralign methods of relaxed input sections.
 531         * symtab.cc (Symbol_table::compute_final_value): Extract template
 532         from the body of Symbol_table::sized_finalize_symbol.
 533         (Symbol_table::sized_finalized_symbol): Call
 534         Symbol_table::compute_final_value.
 535         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
 536         (Symbol_table::compute_final_value): New templated method declaration.
 537         * target.cc (Target::do_make_output_section): New method defintion.
 538         * target.h (Target::make_output_section): New method declaration.
 539         (Target::relax): Add more parameters for input objects, symbol table
 540         and layout.  Adjust call to do_relax.
 541         (Target::do_make_output_section): New method declaration.
 542         (Target::do_relax): Add parameters for input objects, symbol table
 543         and layout.
 544
 545 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 546
 547         * pread.c: Include stdio.h.
 548
 549 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 550
 551         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
 552         defined.
 553
 554 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 555
 556         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 557         Change read_shndx type to unsigned int.
 558         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
 559         int.
 560         (Sized_dwarf_line_info::read_line_mappings): Likewise.
 561         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
 562         Change read_shndx type to unsigned int.
 563         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
 564         int.
 565         (Sized_dwarf_line_info::read_line_mappings): Likewise.
 566         * layout.cc (Layout::create_symtab_sections): Cast the result of
 567         local_symcount * symsize to off_t in the gold_assert.
 568
 569 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 570
 571         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
 572         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
 573         R_ARM_BASE_ABS.
 574         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
 575         (Arm_relocate_functions::thm_abs5): New function.
 576         (Arm_relocate_functions::abs12): New function.
 577         (Arm_relocate_functions::abs16): New function.
 578         (Arm_relocate_functions::base_abs): New function.
 579         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
 580         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
 581         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
 582         R_ARM_BASE_ABS.
 583         (Scan::global): Likewise.
 584         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
 585         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
 586         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
 587         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
 588         R_ARM_BASE_ABS.
 589
 590 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 591
 592         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
 593         (Arm_relocate_functions::movt_prel): New function.
 594         (Arm_relocate_functions::thm_movw_prel_nc): New function.
 595         (Arm_relocate_functions::thm_movt_prel): New function.
 596         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
 597         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
 598         (Scan::global, Relocate::relocate): Likewise.
 599         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
 600
 601 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
 602
 603         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
 604         Incremental_checker.
 605         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
 606         unsigned int.
 607         (class Incremental_inputs_header): New class.
 608         (Incremental_inputs_header_writer): Edit comment.
 609         (Incremental_inputs_entry): New class.
 610         (Incremental_inputs_entry_writer): Edit comment.
 611         (Sized_incremental_binary::do_find_incremental_inputs_section):
 612         Add *strtab_shndx parameter, fill it.
 613         (Sized_incremental_binary::do_check_inputs): New method.
 614         (Incremental_checker::can_incrementally_link_output_file): Use
 615         Sized_incremental_binary::check_inputs.
 616         (Incremental_inputs::report_command_line): Save command line in
 617         command_line_.
 618         * incremental.h:
 619         (Incremental_binary::find_incremental_inputs_section): New
 620         method.
 621         (Incremental_binary::do_find_incremental_inputs_section): Add
 622         strtab_shndx parameter.
 623         (Incremental_binary::do_check_inputs): New pure virtual method.
 624         (Sized_incremental_binary::do_check_inputs): Declare.
 625         (Incremental_checker::Incremental_checker): Add incremental_inputs
 626         parameter, use it to initialize incremental_inputs_.
 627         (Incremental_checker::incremental_inputs_): New field.
 628         (Incremental_checker::command_line): New method.
 629         (Incremental_checker::inputs): New method.
 630         (Incremental_checker::command_line_): New field.
 631
 632 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
 633
 634         * incremental.cc: Include <cstdarg> and "target-select.h".
 635         (vexplain_no_incremental): New function.
 636         (explain_no_incremental): New function.
 637         (Incremental_binary::error): New method.
 638         (Sized_incremental_binary::do_find_incremental_inputs_section): New
 639         method.
 640         (make_sized_incremental_binary): New function.
 641         (open_incremental_binary): New function.
 642         (can_incrementally_link_file): Add checks if output is ELF and has
 643         inputs section.
 644         * incremental.h: Include "elfcpp_file.h" and "output.h".
 645         (Incremental_binary): New class.
 646         (Sized_incremental_binary): New class.
 647         (open_incremental_binary): Declare.
 648         * object.cc (is_elf_object): Use
 649         elfcpp::Elf_recognizer::is_elf_file.
 650         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
 651         * output.h (Output_file::filesize): New method.
 652
 653 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 654
 655         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
 656         New function.
 657         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
 658         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
 659         function.
 660         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
 661         function.
 662         (Arm_relocate_functions::movw_abs_nc): New function.
 663         (Arm_relocate_functions::movt_abs): New function.
 664         (Arm_relocate_functions::thm_movw_abs_nc): New function.
 665         (Arm_relocate_functions::thm_movt_abs): New function.
 666         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
 667         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
 668         (Scan::global): Likewise.
 669         (Relocate::relocate): Likewise.
 670         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
 671
 672 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 673
 674         * arm.cc (Arm_relocate_functions::got_prel) New function.
 675         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
 676         (Relocate::relocate): Likewise.
 677         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
 678
 679 2009-10-06  Ian Lance Taylor  <iant@google.com>
 680
 681         * options.h (class General_options): Define
 682         split_stack_adjust_size parameter.
 683         * object.h (class Object): Add uses_split_stack_ and
 684         has_no_split_stack_ fields.  Add uses_split_stack and
 685         has_no_split_stack accessor functions.  Declare
 686         handle_split_stack_section.
 687         (class Reloc_symbol_changes): Define.
 688         (class Sized_relobj): Define Function_offsets.  Declare
 689         split_stack_adjust, split_stack_adjust_reltype, and
 690         find_functions.
 691         * object.cc (Object::handle_split_stack_section): New function.
 692         (Sized_relobj::do_layout): Call handle_split_stack_section.
 693         * dynobj.cc (Sized_dynobj::do_layout): Call
 694         handle_split_stack_section.
 695         * reloc.cc (Sized_relobj::relocate_sections): Call
 696         split_stack_adjust for executable sections in split_stack
 697         objects.  Pass reloc_map to relocate_section.
 698         (Sized_relobj::split_stack_adjust): New function.
 699         (Sized_relobj::split_stack_adjust_reltype): New function.
 700         (Sized_relobj::find_functions): New function.
 701         * target-reloc.h: Include "object.h".
 702         (relocate_section): Add reloc_symbol_changes parameter.  Change
 703         all callers.
 704         * target.h (class Target): Add calls_non_split method.  Declare
 705         do_calls_non_split virtual method.  Declare match_view and
 706         set_view_to_nop.
 707         * target.cc: Include "elfcpp.h".
 708         (Target::do_calls_non_split): New function.
 709         (Target::match_view): New function.
 710         (Target::set_view_to_nop): New function.
 711         * gold.cc (queue_middle_tasks): Give an error if mixing
 712         split-stack and non-split-stack objects with -r.
 713         * i386.cc (Target_i386::relocate_section): Add
 714         reloc_symbol_changes parameter.
 715         (Target_i386::do_calls_non_split): New function.
 716         * x86_64.cc (Target_x86_64::relocate_section): Add
 717         reloc_symbol_changes parameter.
 718         (Target_x86_64::do_calls_non_split): New function.
 719         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
 720         parameter.
 721         * powerpc.cc (Target_powerpc::relocate_section): Add
 722         reloc_symbol_changes parameter.
 723         * sparc.cc (Target_sparc::relocate_section): Add
 724         reloc_symbol_changes parameter.
 725         * configure.ac: Call AM_CONDITIONAL for the default target.
 726         * configure: Rebuild.
 727         * testsuite/Makefile.am (TEST_AS): New variable.
 728         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
 729         (check_DATA): Add split_i386 and split_x86_64 files.
 730         (SPLIT_DEFSYMS): Define.
 731         (split_i386_[1234n].o): New targets.
 732         (split_i386_[124]): New targets.
 733         (split_i386_[1234r].stdout): New targets.
 734         (split_x86_64_[1234n].o): New targets.
 735         (split_x86_64_[124]): New targets.
 736         (split_x86_64_[1234r].stdout): New targets.
 737         (MOSTLYCLEANFILES): Add new executables.
 738         * testsuite/split_i386.sh: New file.
 739         * testsuite/split_x86_64.sh: New file.
 740         * testsuite/split_i386_1.s: New file.
 741         * testsuite/split_i386_2.s: New file.
 742         * testsuite/split_i386_3.s: New file.
 743         * testsuite/split_i386_4.s: New file.
 744         * testsuite/split_i386_n.s: New file.
 745         * testsuite/split_x86_64_1.s: New file.
 746         * testsuite/split_x86_64_2.s: New file.
 747         * testsuite/split_x86_64_3.s: New file.
 748         * testsuite/split_x86_64_4.s: New file.
 749         * testsuite/split_x86_64_n.s: New file.
 750         * testsuite/testfile.cc (Target_test): Update relocation_section
 751         function.
 752         * testsuite/Makefile.in: Rebuild.
 753
 754 2009-10-06  Ian Lance Taylor  <iant@google.com>
 755
 756         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
 757         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
 758         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
 759         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
 760         the address on ldo_addrs_.
 761         (Target_i386::Relocate::fix_up_ldo): New function.
 762
 763 2009-10-06   Rafael Espindola  <espindola@google.com>
 764
 765         * plugin.cc (add_input_library): New.
 766         (Plugin::load): Add add_input_library to tv.
 767         (Plugin_manager::add_input_file): Add the is_lib argument.
 768         (add_input_file): Update call to Plugin_manager::add_input_file.
 769         (add_input_library): New.
 770         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
 771
 772 2009-09-30  Doug Kwan  <dougkwan@google.com>
 773
 774         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
 775         symbol and call Symbol::may_need_copy_reloc to determine if
 776         a copy reloc is needed.
 777         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
 778         nocopyreloc is given in command line.
 779         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
 780         given in command line.
 781         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
 782         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
 783         of the removed Target_i386::may_need_copy_reloc.
 784         * options.h (copyreloc): New option with default value false.
 785         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
 786         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
 787         instead of the removed Target_powerpc::may_need_copy_reloc.
 788         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
 789         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
 790         instead of the removed Target_sparc::may_need_copy_reloc.
 791         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
 792         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
 793         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
 794         instead of the removed Target_x86_64::may_need_copy_reloc.
 795
 796 2009-09-30  Ian Lance Taylor  <iant@google.com>
 797
 798         * object.h (class Object): Remove target_ field, and target,
 799         sized_target, and set_target methods.
 800         (Object::sized_target): Remove.
 801         (class Sized_relobj): Update declarations.  Remove sized_target.
 802         * object.cc (Sized_relobj::setup): Remove target parameter.
 803         Change all callers.
 804         (Input_objects::add_object): Don't do anything with the target.
 805         (make_elf_sized_object): Add punconfigured parameter.  Change all
 806         callers.  Set or test parameter target.
 807         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
 808         Change all callers.
 809         * parameters.cc (Parameters::set_target): Change parameter type to
 810         be non-const.
 811         (Parameters::default_target): Remove.
 812         (set_parameters_target): Change parameter type to be non-const.
 813         (parameters_force_valid_target): New function.
 814         (parameters_clear_target): New function.
 815         * parameters.h (class Parameters): Update declarations.  Remove
 816         default_target method.  Add sized_target and clear_target
 817         methods.  Change target_ to be non-const.
 818         (set_parameters_target): Update declaration.
 819         (parameters_force_valid_target): Declare.
 820         (parameters_clear_target): Declare.
 821         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
 822         as NULL if we aren't searching.
 823         (Add_symbols::run): Don't check for compatible target.
 824         * fileread.cc (Input_file::open_binary): Call
 825         parameters_force_valid_target.
 826         * gold.cc (queue_middle_tasks): Likewise.
 827         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
 828         set_target on object.
 829         * dynobj.h (class Sized_dynobj): Update declarations.
 830         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
 831         make_elf_object returns NULL.
 832         (Archive::include_member): Don't check whether object target is
 833         compatible.
 834         * output.cc (Output_section::add_input_section): Get target from
 835         parameters.
 836         (Output_section::relax_input_section): Likewise.
 837         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
 838         parameters.
 839         (Sized_relobj::do_scan_relocs): Likewise.
 840         (Sized_relobj::relocate_sections): Likewise.
 841         * resolve.cc (Symbol_table::resolve): Likewise.
 842         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
 843         parameter.  Change all callers.
 844         (Symbol_table::add_from_object): Get target from parameters.
 845         (Symbol_table::add_from_relobj): Don't check object target.
 846         (Symbol_table::add_from_dynobj): Likewise.
 847         (Symbol_table::define_special_symbol): Get target from
 848         parameters.
 849         * symtab.h (class Symbol_table): Update declaration.
 850         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
 851         parameter.  Change all callers.  Clear parameter target.
 852         (Binary_test): Test target here.
 853         * testsuite/object_unittest.cc (gold_testsuite): Remove
 854         target_test_pointer parameter.  Change all callers.
 855         (Object_test): Test target here.
 856
 857 2009-09-26  Ian Lance Taylor  <iant@google.com>
 858
 859         * testsuite/initpri1.c: Don't try to use constructor priorities if
 860         compiling with gcc before 4.3.
 861
 862 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
 863
 864         * testsuite/retain_symbols_file_test.sh (check_present): Change
 865         output file name to retain_symbols_file_test.stdout.
 866         (check_absent): Likewise.
 867
 868 2009-09-18  Craig Silverstein  <csilvers@google.com>
 869
 870         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
 871         * options.cc: Include <cerrno> and <fstream>.
 872         (General_options::finalize): Parse -retain-symbols-file tag.
 873         * options.h: New flag.
 874         (General_options): New method should_retain_symbol, new
 875         variable symbols_to_retain.
 876         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
 877         should_retain_symbol map.
 878         * testsuite/Makefile.am (retain_symbols_file_test): New test.
 879         * testsuite/Makefile.in: Regenerate.
 880         * testsuite/retain_symbols_file_test.sh: New file.
 881
 882 2009-09-18  Nick Clifton  <nickc@redhat.com>
 883
 884         * po/es.po: Updated Spanish translation.
 885
 886 2009-09-17  Doug Kwan  <dougkwan@google.com>
 887
 888         * debug.h (DEBUG_RELAXATION): New constant.
 889         (DEBUG_ALL): Add DEBUG_RELAXATION.
 890         (debug_string_to_enum): Add relaxation debug option.
 891         * layout.cc
 892         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
 893         Layout::Relaxation_debug_check::read_sections,
 894         Layout::Relaxation_debug_check::read_sections): New method definitions.
 895         (Layout::Layout): Initialize data members
 896         record_output_section_data_from_scrips_,
 897         script_output_section_data_list_ and relaxation_debug_check_.
 898         (Layout::save_segments, Layout::restore_segments,
 899         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
 900         Layout::relaxation_loop_body): New method definitions.
 901         (Layout::finalize): Support relaxation.  Move section layout code to
 902         Layout::relaxation_loop_body.
 903         (Layout::set_asection_address_from_script): Move code for orphan
 904         section placement out.
 905         (Layout::place_orphan_sections_in_script): New method definition.
 906         * layout.h (Output_segment_headers, Output_file_header):
 907         New forward class declarations.
 908         (Layout::~Layout): Define.
 909         (Layout::new_output_section_data_from_script): New method definition.
 910         (Layout::place_orphan_sections_in_script): New method declaration.
 911         (Layout::Segment_states): New type declaration.
 912         (Layout::save_segments, Layout::restore_segments,
 913         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
 914         Layout::relaxation_loop_body): New method declarations.
 915         (Layout::Output_section_data_list): New type declaration.
 916         (Layout::Relaxation_debug_check): New class definition.
 917         (Layout::record_output_section_data_from_script_,
 918         Layout::script_output_section_data_list_, Layout::segment_states_,
 919         Layout::relaxation_debug_check_): New data members.
 920         * output.cc: (Output_section_headers::do_size): New method definition.
 921         (Output_section_headers::Output_section_headers): Move size
 922         computation to Output_section_headers::do_size.
 923         (Output_segment_headers::do_size): New method definition.
 924         (Output_file_header::Output_file_header): Move size computation to
 925         Output_file_header::do_size and call it.
 926         (Output_file_header::do_size): New method definition.
 927         (Output_data_group::Output_data_group): Adjust call to
 928         Output_section_data.
 929         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
 930         (Output_symtab_xindex::do_write): Add array bound check.
 931         (Output_section::Input_section::print_to_mapfile): Handle
 932         RELAXED_INPUT_SECTION_CODE.
 933         (Output_section::Output_section): Initialize data member checkpoint_.
 934         (Output_section::~Output_section): Delete checkpoint object pointed
 935         by checkpoint_.
 936         (Output_section::add_input_section): Always add an Input_section if
 937         relaxing.
 938         (Output_section::add_merge_input_section): Add assert.
 939         (Output_section::relax_input_section): New method definition.
 940         (Output_section::set_final_data_size): Set load address to zero for
 941         an unallocated section.
 942         (Output_section::do_address_and_file_offset_have_reset_values):
 943         New method definition.
 944         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
 945         Handle relaxed input section.
 946         (Output_section::sort_attached_input_sections): Checkpoint input
 947         section list lazily.
 948         (Output_section::get_input_sections): Change type of input_sections to
 949         list of Simple_input_section pointers.  Checkpoint input section list
 950         lazily.  Also handle relaxed input sections.
 951         (Output_section::add_input_section_for_script): Take a reference to
 952         a Simple_input_section object instead of Relobj pointer and section
 953         index as parameter.  Handle relaxed input sections.
 954         (Output_section::save_states, Output_section::restore_states): New
 955         method definitions.
 956         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
 957         (Output_data::is_data_size_fixed): New method definition.
 958         (Output_data::reset_addresss_and_file_offset): Do not reset data size
 959         if it is fixed.
 960         (Output_data::address_and_file_offset_have_reset_values): New method
 961         definition.
 962         (Output_data::do_address_and_file_offset_have_reset_values): New method
 963         definition.
 964         (Output_data::set_data_size): Check that data size is not fixed.
 965         (Output_data::fix_data_size): New method definition.
 966         (Output_data::is_data_size_fixed_): New data member.
 967         (Output_section_headers::set_final_data_size): New method definition.
 968         (Output_section_headers::do_size): New method declaration.
 969         (Output_segment_headers::set_final_data_size): New method definition.
 970         (Output_segment_headers::do_size): New method declaration.
 971         (Output_file_header::set_final_data_size)::New method definition.
 972         (Output_file_header::do_size)::New method declaration.
 973         (Output_section_data::Output_section_data): Add new parameter
 974         is_data_size_fixed and use it to fix data size.
 975         (Output_data_const::Output_data_const): Adjust call to base class
 976         constructor and fix data size.
 977         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
 978         base class constructor and fix data size.
 979         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
 980         base class constructor and fix data size.
 981         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
 982         class constructor and fix data size.
 983         (Output_data_group::set_final_data_size): New method definition.
 984         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
 985         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
 986         class constructor and fix data size.
 987         (Output_relaxed_input_section): New class definition.
 988         (Output_section::Simple_input_section): New class definition.
 989         (Output_section::get_input_sections): Adjust parameter list.
 990         (Output_section::add_input_section_for_script): Same.
 991         (Output_section::save_states, Output_section::restore_states,
 992         Output_section::do_address_and_file_offset_have_reset_values,
 993         (Output_section::Input_section::Input_section): Handle
 994         RELAXED_INPUT_SECTION_CODE.  Add new overload for
 995         Output_relaxed_input_section.
 996         (Output_section::Input_section::is_input_section,
 997         Output_section::Input_section::set_output_section): Handle relaxed
 998         input section.
 999         (Output_section::Input_section::is_relaxed_input_section,
1000         Output_section::Input_section::output_section_data,
1001         Output_section::Input_section::relaxed_input_section): New method
1002         definitions.
1003         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1004         value.
1005         (Output_section::Input_section::u1_): Update comments.
1006         (Output_section::Input_section::u2_): Add new union member poris.
1007         (Output_section::Checkpoint_output_section): New classs definition.
1008         (Output_section::relax_input_section): New method declaration.
1009         (Output_section::checkpoint_): New data member.
1010         (Output_segment): Update comments.
1011         (Output_segment::Output_segment): Un-privatize copy constructor.
1012         (Output_segment::operator=): Un-privatize.
1013         * script-sections.cc (Output_section_element::Input_section_list):
1014         Change element type to Output_section::Simple_input_section.
1015         (Output_section_element_dot_assignment::set_section_addresses):
1016         Register output section data for relaxation clean up.
1017         (Output_data_exression::Output_data_expression): Adjust call to base
1018         constructor to fix data size.
1019         (Output_section_element_data::set_section_addresses): Register
1020         Output_data_expression object for relaxation clean up.
1021         (struct Input_section_info): Replace Relobj pointer and section index
1022         pair with Output_section::Simple_input_section and Convert struct to a
1023         class.
1024         (Input_section_sorter::operator()): Adjust access to
1025         Input_section_info data member to use accessors.
1026         (Output_section_element_input::set_section_addresses): Use layout
1027         parameter.  Adjust code to use Output_section::Simple_input_section
1028         and Input_secction_info classes.  Register filler for relaxation
1029         clean up.
1030         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1031         and section index pair with Output_section::Simple_input_section
1032         class.  Adjust code accordingly.
1033         (Phdrs_element::release_segment): New method definition.
1034         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1035         segment list.
1036         (Script_sections::release_segments): New method definition.
1037         * gold/script-sections.h (Script_sections::release_segments): New
1038         method declaration.
1039         * gold/target.h (Target::may_relax, Target::relax,
1040         Target::do_may_relax, Target::do_relax): New method definitions.
1041
1042 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1043
1044         * arm.cc (has_signed_unsigned_overflow): New function.
1045         (Arm_relocate_functions::abs8): New function.
1046         (Target_arm::Scan::local): Handle R_ARM_ABS8.
1047         (Target_arm::Scan::global): Likewise.
1048         (Target_arm::relocate::relocate): Likewise.
1049         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1050         Likewise.
1051
1052 2009-09-16  Cary Coutant  <ccoutant@google.com>
1053
1054         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1055         * testsuite/Makefile.in: Regenerate.
1056
1057 2009-09-11  Nick Clifton  <nickc@redhat.com>
1058
1059         * po/gold.pot: Updated by the Translation project.
1060
1061 2009-09-08  Cary Coutant  <ccoutant@google.com>
1062
1063         * output.cc (Output_file::open): Add execute permission to empty file.
1064         * testsuite/Makefile.am (permission_test): New test.
1065         * testsuite/Makefile.in: Regenerate.
1066
1067 2009-09-02  Ian Lance Taylor  <iant@google.com>
1068
1069         * output.cc (Output_file::resize): Call map_no_anonymous rather
1070         than map.
1071
1072 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
1073
1074         * gold.cc: Include "incremental.h".
1075         (queue_initial_tasks): Call Incremental_checker methods.
1076         * incremental.cc: Include "output.h".
1077         (Incremental_checker::can_incrementally_link_output_file): New
1078         method.
1079         * incremental.h (Incremental_checker): New class.
1080
1081         * output.cc (Output_file::open_for_modification): New method.
1082         (Output_file::map_anonymous): Changed return type to bool.  Record
1083         map in base_ field.
1084         (Output_file::map_no_anonymous): New method, broken out of map.
1085         (Output_file::map): Use map_no_anonymous and map_anonymous.
1086         * output.h (class Output_file): Update declarations.
1087
1088 2009-08-24  Cary Coutant  <ccoutant@google.com>
1089
1090         * options.h (Command_line::Pre_options): New class.
1091         (Command_line::pre_options): New member.
1092         * options.cc (gold::options::ready_to_register): New variable.
1093         (One_option::register_option): Do nothing if not registering options.
1094         Assert if same short option registered twice.
1095         (General_options::General_options): Turn off option registration when
1096         done constructing.
1097         (Command_line::Pre_options::Pre_options): New constructor.
1098
1099 2009-08-24  Cary Coutant  <ccoutant@google.com>
1100
1101         * options.h (General_options::no_keep_memory): Remove incorrect
1102         short option.
1103
1104 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1105
1106         * Makefile.am (am__skiplex, am__skipyacc): New.
1107         * Makefile.in: Regenerate.
1108
1109 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1110
1111         * Makefile.am (AM_CPPFLAGS): Renamed from ...
1112         (INCLUDES): ... this.
1113         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1114         (AM_CPPFLAGS): Renamed from ...
1115         (INCLUDE): ... this.
1116         * Makefile.in, testsuite/Makefile.in: Regenerate.
1117
1118         * Makefile.in: Regenerate.
1119         * aclocal.m4: Likewise.
1120         * config.in: Likewise.
1121         * configure: Likewise.
1122         * testsuite/Makefile.in: Likewise.
1123
1124         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1125         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1126         * Makefile.in: Regenerate.
1127         * testsuite/Makefile.in: Regenerate.
1128
1129 2009-08-19  Cary Coutant  <ccoutant@google.com>
1130
1131         * resolve.cc (Symbol_table::resolve): Don't complain about defined
1132         symbols in shared libraries overridden by hidden or internal symbols
1133         in the main program.
1134
1135 2009-08-19  Chris Demetriou  <cgd@google.com>
1136
1137         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1138         checking source file names in error messages.
1139
1140 2009-08-18  Doug Kwan  <dougkwan@google.com>
1141
1142         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1143         an elcpp::Ehdr as parameter.  Adjust call to set_target.
1144         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1145         an elfcpp::Ehdr as parameter.
1146         * object.cc (Object::set_target): Remove the version that looks up
1147         a target and sets it.
1148         (Sized_relobj::setup): Take a Target object instead of
1149         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
1150         (make_elf_sized_object): Find target and ask target to
1151         make an ELF object.
1152         * object.h: (Object::set_target): Remove the version that looks up
1153         a target and sets it.
1154         (Sized_relobj::setup): Take a Target object instead of
1155         an elfcpp:Ehdr as parameter.
1156         * target.cc: Include dynobj.h.
1157         (Target::do_make_elf_object_implementation): New.
1158         (Target::do_make_elf_object): New.
1159         * target.h (Target::make_elf_object): New template declaration.
1160         (Target::do_make_elf_object): New method declarations.
1161         (Target::do_make_elf_object_implementation): New template declaration.
1162
1163 2009-08-14  Ian Lance Taylor  <iant@google.com>
1164
1165         * gold.h (FUNCTION_NAME): Define.
1166         (gold_unreachable): Use FUNCTION_NAME.
1167
1168 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1169
1170         * icf.cc (Icf::find_identical_sections): Issue a warning when a
1171         symbol in the --keep-unique list is not found.
1172
1173 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
1174
1175         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1176         been maked as --keep-unique.
1177         (Icf::unfold_section): New function.
1178         * icf.h (Icf::unfold_section): New function.
1179         * options.h (General_options::keep_unique): New option.
1180         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1181         * testsuite/Makefile.in: Regenerate.
1182         * testsuite/icf_keep_unique_test.sh: New file.
1183         * testsuite/icf_keep_unique_test.cc: New file.
1184
1185 2009-08-12  Cary Coutant  <ccoutant@google.com>
1186
1187         PR 10471
1188         * resolve.cc (Symbol_table::resolve): Check for references from
1189         dynamic objects to hidden and internal symbols.
1190         * testsuite/Makefile.am (hidden_test.sh): New test.
1191         * testsuite/Makefile.in: Regenerate.
1192         * testsuite/hidden_test.sh: New script.
1193         * testsuite/hidden_test_1.c: New test source.
1194         * testsuite/hidden_test_main.c: New test source.
1195
1196 2009-08-11  Doug Kwan  <dougkwan@google.com>
1197
1198         * arm.cc: Update comments.
1199         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1200         segment to locate the .ARM.exidx section if present.
1201
1202 2009-08-09  Doug Kwan  <dougkwan@google.com>
1203
1204         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1205         patch.
1206
1207 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
1208         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1209         compiler warnings.
1210
1211 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
1212
1213         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1214         valid tls_segment only for non-debug-section relocations.
1215         * testsuite/Makefile.am: Add gc_tls_test.
1216         * testsuite/Makefile.in: Regenerate.
1217         * testsuite/gc_tls_test.cc: New file.
1218         * testsuite/gc_tls_test.sh: New file.
1219
1220 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
1221
1222         * icf.cc: New file.
1223         * icf.h: New file.
1224         * Makefile.am (CCFILES): Add icf.cc.
1225         (HFILES): Add icf.h
1226         * Makefile.in: Regenerate.
1227         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1228         * gc.h (gc_process_relocs): Populate lists used by icf to contain
1229         section, symbol and addend information for the relocs.
1230         * gold.cc (queue_middle_tasks): Call identical code folding.
1231         * gold.h: Add defines for multimap.
1232         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1233         to the call of finalize_local_symbols.
1234         * main.cc (main): Create object of class Icf.
1235         * object.cc (Sized_relobj::do_layout): Allow this function to be
1236         called twice during icf.
1237         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1238         to sections marked as identical by icf.
1239         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1240         when available.
1241         (Sized_relobj::do_section_entsize): New function.
1242         * object.h (Object::section_entsize): New function.
1243         (Object::do_section_entsize): New pure virtual function.
1244         (Relobj::finalize_local_symbols): Add new parameter.
1245         (Relobj::do_section_entsize): New function.
1246         * options.h (General_options::icf): New option.
1247         (General_options::icf_iterations): New option.
1248         (General_options::print_icf_sections): New option.
1249         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1250         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1251         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1252         icf.
1253         * symtab.cc (Symbol_table::is_section_folded): New function.
1254         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
1255         to sections marked as identical by icf.
1256         * symtab.h (Symbol_table::set_icf): New function.
1257         (Symbol_table::icf): New function.
1258         (Symbol_table::is_section_folded): New function.
1259         (Symbol_table::icf_): New data member.
1260         * target-reloc.h (relocate_section): Ignore sections folded by icf.
1261         * testsuite/Makefile.am: Add commands to build icf_test.
1262         * testsuite/Makefile.in: Regenerate.
1263         * testsuite/icf_test.sh: New file.
1264         * testsuite/icf_test.cc: New file.
1265
1266 2009-07-24  Chris Demetriou  <cgd@google.com>
1267
1268         * layout.cc (is_compressible_debug_section): Fix incorrect
1269         comment about compressed section names.
1270
1271 2009-07-20  Ian Lance Taylor  <ian@airs.com>
1272
1273         PR 10419
1274         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1275
1276 2009-07-16  Ian Lance Taylor  <iant@google.com>
1277
1278         PR 10400
1279         * layout.h: #include <map>.
1280         (class Kept_section): Change from struct to class.  Add accessors
1281         and setters.  Add section size to Comdat_group mapping.  Change
1282         Comdat_group to std::map.  Add is_comdat_ field.  Add
1283         linkonce_size field in union.
1284         (class Layout): Update declaration of find_or_add_kept_section.
1285         Don't declare find_kept_object.
1286         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1287         parameter.  Add object, shndx, is_comdat, and is_group_name
1288         parameters.  Change all callers.  Adjust for new Kept_section.
1289         (Layout::find_kept_object): Remove.
1290         * object.cc (Sized_relobj::include_section_group): Update use of
1291         Kept_section.  Rename secnum to shndx.  Only record
1292         Kept_comdat_section if sections are the same size.
1293         (Sized_relobj::include_linkonce_section): Update use of
1294         Kept_section.  Only record Kept_comdat_section if sections are the
1295         same size.  Set size of linkonce section.
1296         (Sized_relobj::map_to_kept_section): Update call to
1297         get_kept_comdat_section.
1298         * object.h (class Sized_relobj): Rename fields in
1299         Kept_comdat_section to drop trailing underscores; change object
1300         field to Relobj*.  Change Kept_comdat_section_table to store
1301         struct rather than pointer.
1302         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1303         Add kept_object and kept_shndx parameters.  Change all callers.
1304         (Sized_relobj::get_kept_comdat_section): Change return type to
1305         bool.  Add kept_object and kept_shndx parameters.  Change all
1306         callers.
1307         * plugin.cc (Pluginobj::include_comdat_group): Update call to
1308         Layout::find_or_add_kept_section.
1309
1310 2009-07-09  Ian Lance Taylor  <iant@google.com>
1311
1312         * merge.cc (Object_merge_map::initialize_input_to_output_map):
1313         Reserve space in the hash table.
1314
1315 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
1316
1317         * fileread.cc (File_read::get_mtime): New method.
1318         * fileread.h (Timespec): New structure.
1319         (File_read::get_mtime): New method.
1320         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1321         Renamed from timestamp_nsec.
1322         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1323         Elf_Xword.
1324         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
1325         timestamp_nsec.
1326         (Incremental_inputs::report_archive): Save mtime; style fix.
1327         (Incremental_inputs::report_obejct): Save mtime; style fix.
1328         (Incremental_inputs::report_script): Save mtime; style fix.
1329         (Incremental_inputs::finalize_inputs): Style fix.
1330         (Incremental_inputs::finalize): Style fix.
1331         (Incremental_inputs::create_input_section_data): Store inputs
1332         mtime.
1333         * incremental.h (Incremental_inputs::report_script): Add mtime
1334         argument.
1335         (Incremental_inputs::Input_info::Input_info): Intialize only one
1336         union member.
1337         (Incremental_inputs::Input_info::archive): Move to nameless
1338         union.
1339         (Incremental_inputs::Input_info::obejct): Move to nameless union.
1340         (Incremental_inputs::Input_info::script): Move to nameless union.
1341         (Incremental_inputs::mtime): New field.
1342         * script.cc (read_input_script): Pass file mtime to
1343         Incremental_input.
1344         * script.h (Script_info::inputs): Style fix.
1345
1346 2009-07-01  Ian Lance Taylor  <ian@airs.com>
1347
1348         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1349         instead of 32.
1350
1351 2009-06-24  Ian Lance Taylor  <iant@google.com>
1352
1353         PR 10156
1354         * layout.cc (Layout::choose_output_section): If we find an
1355         existing section, update the flags.
1356         (Layout::create_notes): New function, broken out of
1357         Layout::finalize.
1358         (Layout::finalize): Don't create note sections.
1359         (Layout::create_note): Don't crash if linker script discards
1360         section.
1361         (Layout::create_gold_note): Likewise.
1362         (Layout::create_build_id): Likewise.  Don't set
1363         after_input_sections on the section.
1364         (Layout::create_executable_stack_info): Remove target parameter.
1365         Change caller.
1366         * layout.h (class Layout): Declare create_notes.  Update
1367         declaration of create_executable_stack_info.
1368         * gold.cc (queue_middle_tasks): Call create_notes.
1369         * output.cc (Output_section::update_flags_for_input_section): Move
1370         here from output.h.  If SHF_ALLOC flag is newly set, mark address
1371         invalid.
1372         * output.h (Output_data::mark_address_invalid): New function.
1373         (class Output_section): Only declare, not define,
1374         update_flags_for_input_section.  Remove set_flags.
1375
1376 2009-06-24  Ian Lance Taylor  <iant@google.com>
1377
1378         * script-sections.cc (Output_section_definition::
1379         set_section_addresses): Rename shadowing local load_address to
1380         laddr.
1381
1382 2009-06-24  Ian Lance Taylor  <iant@google.com>
1383
1384         PR 10244
1385         * reloc.cc (relocate_sections): Skip empty relocation sections.
1386
1387 2009-06-23  Ian Lance Taylor  <iant@google.com>
1388
1389         PR 10156
1390         * layout.cc (Layout::create_note): Use choose_output_section
1391         rather than make_output_section.
1392
1393 2009-06-23  Ian Lance Taylor  <iant@google.com>
1394
1395         PR 10237
1396         * options.cc (General_options::parse_V): Set printed_version_.
1397         (General_options::General_options): Initialize printed_version_.
1398         * options.h (class General_options): Add printed_version_ field.
1399         * gold.cc (queue_initial_tasks): If there are no input files,
1400         don't give a fatal error if we printed the version information.
1401         (queue_middle_tasks): If using -r with a shared object, give a
1402         fatal error rather than an ordinary error.
1403
1404 2009-06-23  Ian Lance Taylor  <iant@google.com>
1405
1406         PR 10219
1407         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1408         (Layout::make_output_section): Set have_stabstr_section_ if we see
1409         a .stab*str section.
1410         (Layout::finalize): Call link_stabs_sections.
1411         (Layout::link_stabs_sections): New file.
1412         * layout.h (class Layout): Add have_stabstr_section_ field.
1413         Declare link_stabs_sections.
1414
1415 2009-06-23  Doug Kwan  <dougkwan@google.com>
1416
1417         * Makefile.am (libgold_a_LIBADD): New.
1418         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1419         * Makefile.in: Regenerate.
1420         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1421         * configure: Regenerate.
1422         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1423         * fileread.cc: Include sys/state.h
1424         * gold.h: Declare memmem and strndup if found missing.
1425         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1426
1427 2009-06-23  Ian Lance Taylor  <iant@google.com>
1428
1429         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1430         * configure: Rebuild.
1431
1432 2009-06-23  Ian Lance Taylor  <iant@google.com>
1433
1434         PR 10147
1435         * object.cc (Object::section_contents): Don't try to get a view if
1436         the section has length zero.
1437         (Object::handle_gnu_warning_section): If the section is empty, use
1438         the name of the section as the warning.
1439
1440 2009-06-23  Ian Lance Taylor  <iant@google.com>
1441
1442         PR 10133
1443         * stringpool.h (class Stringpool_template): Add optimize_ field.
1444         (Stringpool_template::set_optimize): New function.
1445         * stringpool.cc (Stringpool_template::Stringpool_template):
1446         Initialize optimize_ field.
1447         (Stringpool_template::set_string_offsets): Test local optimize
1448         fild rather than parameter.
1449         * layout.cc (Layout::Layout): Call set_optimize on the section
1450         name stringpool.
1451
1452 2009-06-22  Ian Lance Taylor  <iant@google.com>
1453
1454         PR 10030
1455         * yyscript.y: Parse TARGET.
1456         * script.cc (script_set_target): New function.
1457         * script-c.h (script_set_target): Declare.
1458         * options.cc (General_options::string_to_object_format): Rename
1459         from string_to_object_format in anonymous namespace.  Change
1460         callers.
1461         * options.h (class General_options): Declare
1462         string_to_object_format.
1463
1464 2009-06-22  Ian Lance Taylor  <iant@google.com>
1465
1466         * script-sections.cc (Script_sections::create_segments): Don't put
1467         program headers in a PT_LOAD segment if -n or -N.
1468
1469 2009-06-22  Ian Lance Taylor  <iant@google.com>
1470
1471         PR 10141
1472         * options.h (class General_options): Add -z lazy and -z now.  Sort
1473         -z options into alphabetical order.
1474         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1475
1476 2009-06-21  Ian Lance Taylor  <iant@google.com>
1477
1478         * layout.cc (Layout::make_output_section): Call
1479         Target::new_output_section.
1480         (Layout::attach_allocated_section_to_segment): Put large section
1481         sections in a separate load segment with the large segment flag
1482         set.
1483         (Layout::segment_precedes): Sort large data segments after other
1484         load segments.
1485         (align_file_offset): New static function.
1486         (Layout::set_segment_offsets): Use align_file_offset.
1487         * output.h (class Output_section): Add is_small_section_ and
1488         is_large_section_ fields.
1489         (Output_section::is_small_section): New function.
1490         (Output_section::set_is_small_section):  New function.
1491         (Output_section::is_large_section): New function.
1492         (Output_section::set_is_large_section): New function.
1493         (Output_section::is_large_data_section): New function.
1494         (class Output_segment): Add is_large_data_segment_ field.
1495         (Output_segment::is_large_data_segment): New function.
1496         (Output_segment::set_is_large_data_segment): New function.
1497         * output.cc (Output_section::Output_section): Initialize new
1498         fields.
1499         (Output_segment::Output_segment): Likewise.
1500         (Output_segment::add_output_section): Add assertion that large
1501         data sections always go in large data segments.  Force small data
1502         sections to the end of the list of data sections.  Force small BSS
1503         sections to the start of the list of BSS sections.  For large BSS
1504         sections to the end of the list of BSS sections.
1505         * symtab.h (class Symbol): Declare is_common_shndx.
1506         (Symbol::is_defined): Check Symbol::is_common_shndx.
1507         (Symbol::is_common): Likewise.
1508         (class Symbol_table): Define enum Commons_section_type.  Update
1509         declarations.  Add small_commons_ and large_commons_ fields.
1510         * symtab.cc (Symbol::is_common_shndx): New function.
1511         (Symbol_table::Symbol_table): Initialize new fields.
1512         (Symbol_table::add_from_object): Put small and large common
1513         symbols in the right list.
1514         (Symbol_table::sized_finalized_symbol): Check
1515         Symbol::is_common_shndx.
1516         (Symbol_table::sized_write_globals): Likewise.
1517         * common.cc (Symbol_table::do_allocate_commons): Allocate new
1518         common symbol lists.  Don't call do_allocate_commons_list if the
1519         list is empty.
1520         (Symbol_table::do_allocate_commons_list): Remove is_tls
1521         parameter.  Add comons_section_type parameter.  Change all
1522         callers.  Handle small and large common symbols.
1523         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1524         Symbol::is_common_shndx.
1525         * resolve.cc (symbol_to_bits): Likewise.
1526         * target.h (Target::small_common_shndx): New function.
1527         (Target::small_common_section_flags): New function.
1528         (Target::large_common_shndx): New function.
1529         (Target::large_common_section_flags): New function.
1530         (Target::new_output_section): New function.
1531         (Target::Target_info): Add small_common_shndx, large_common_shndx,
1532         small_common_section_flags, and large_common_section_flags
1533         fields.
1534         (Target::do_new_output_section): New virtual function.
1535         * arm.cc (Target_arm::arm_info): Initialize new fields.
1536         * i386.cc (Target_i386::i386_info): Likewise.
1537         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1538         Likewise.
1539         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1540         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1541         (Target_x86_64::do_new_output_section): New function.
1542         * configure.ac: Define conditional MCMODEL_MEDIUM.
1543         * testsuite/Makefile.am (check_PROGRAMS): Add large.
1544         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1545         (large_LDFLAGS): Define.
1546         * testsuite/large.c: New file.
1547         * testsuite/testfile.cc (Target_test::test_target_info):
1548         Initialize new fields.
1549         * configure, testsuite/Makefile.in: Rebuild.
1550
1551 2009-06-05  Doug Kwan  <dougkwan@google.com>
1552
1553         * Makefile.am (CCFILES): Add target.cc.
1554         * Makefile.in: Regenerate.
1555         * i386.cc (class Target_i386): Define new virtual method to
1556         override do_is_local_label_name in parent.
1557         * object.cc (Sized_relobj::do_count_local_symbols): Discard
1558         local symbols if --discard-locals or -X is given.
1559         * options.h (class General_options): Declare new options
1560         '--discard-locals' and '-X' for discarding locals.
1561         * target.h (class Target): Define new methods is_local_label_name.
1562         Declare new virtual method do_is_local_label_name.
1563         * target.cc: New file.
1564         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1565         (check_SCRIPTS): Add discard_locals_test.sh.
1566         (check_DATA): Add discard_local_tests.syms.
1567         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1568         (discard_local_tests.syms, discard_locals_test.o): New make rules.
1569         * testsuite/Makefile.in: Regenerate.
1570         * testsuite/discard_locals_test.c: New file.
1571         * testsuite/discard_locals_test.sh: Same.
1572
1573 2009-06-05  Doug Kwan  <dougkwan@google.com>
1574
1575         * object.cc (Sized_relobj::Sized_relobj): Initialize
1576         discarded_eh_frame_shndx_ to -1U.
1577         (Sized_relobj::do_layout): Record index of a discard .eh_frame
1578         section.
1579         (Sized_relobj::do_count_local_symbols): Skip local symbols in
1580         a discarded .eh_frame section.
1581         (Sized_relobj::do_finalize_local_symbols): Ditto.
1582         * object.h (class Sized_relobj): Declare new member
1583         discarded_eh_frame_shndx_.
1584         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1585         (local_labels_test.o, local_labels_test): New rules.
1586         * testsuite/Makefile.in: Regenerate.
1587
1588 2009-06-04  Doug Kwan  <dougkwan@google.com>
1589
1590         * layout.cc (Layout::section_name_mapping): Add mapping for
1591         special ARM sections.
1592
1593 2009-06-03  Doug Kwan  <dougkwan@google.com>
1594
1595         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1596         (utils::has_overflow): Same.
1597
1598 2009-06-03  Ian Lance Taylor  <iant@google.com>
1599
1600         * layout.cc (Layout::section_name_mapping): New array, replacing
1601         Layout::linkonce_mapping.
1602         (Layout::section_name_mapping_count): New variable, replacing
1603         Layout::linkonce_mapping_count.
1604         (Layout::linkonce_output_name): Remove.
1605         (Layout::output_section_name): Rewrite.
1606         * layout.h (class Layout): Rename Linkonce_mapping to
1607         Section_name_mapping, linkonce_mapping to section_name_mapping,
1608         linkonce_mapping_count to section_name_mapping_count.  Don't
1609         declare linkonce_output_name.
1610
1611 2009-06-03  Doug Kwan  <dougkwan@google.com>
1612
1613         * gold/arm.cc (namespace utils): New.
1614         (Target_arm::reloc_is_non_pic): Define new method.
1615         (class Arm_relocate_functions): New.
1616         (Target_arm::Relocate::relocate): Handle relocation types used by
1617         Android.
1618
1619 2009-06-03  Ian Lance Taylor  <iant@google.com>
1620
1621         * arm.cc (Target_arm::scan::global): Use || instead of |.
1622
1623 2009-06-02  Doug Kwan  <dougkwan@google.com>
1624
1625         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
1626         issued_non_pic_error_.
1627         (class Target_arm::Scan): Declare new method check_non_pic.
1628         Define new method symbol_needs_plt_entry.
1629         Declare new data member issued_non_pic_error_.
1630         (class Target_arm::Relocate): Declare new method
1631         should_apply_static_reloc.
1632         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1633         (Target_arm::Scan::check_non_pic): Define new method.
1634         (Target_arm::Scan::local): Handle a small subset of reloc types used
1635         by Android.
1636         (Target_arm::Scan::local): Same.
1637         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1638
1639 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
1640
1641         * incremental.cc (Incremental_inputs::report_command_line): Filter
1642         out --incremental-* options.
1643
1644 2009-05-29  Doug Kwan  <dougkwan@google.com>
1645
1646         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1647         template class.
1648         (class Target_arm): Update comment.
1649         (Target_arm::Target_arm): Initialize new data members GOT_,
1650         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1651         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1652         and Target_arm::rel_dyn_section.
1653         Declare new_enum Target_arm::Got_type.
1654         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1655         and DYNBSS_.
1656         Update commments for member do_dynsym_value.
1657         (Target_arm::got_size, Target_arm::plt_section,
1658         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1659         new methods inside class defintion.
1660         (Target_arm::got_section): Define new method.
1661         (Target_arm::rel_dyn_section): Same.
1662         (Output_data_plt_arm): New template class.
1663         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1664         (Output_data_plt_arm:do_adjust_output_section): Define new method.
1665         (Output_data_plt_arm::add_entry): Same.
1666         (Output_data_plt_arm::first_plt_entry): Define new
1667         static data member for PLT instruction template.
1668         (Output_data_plt_arm::plt_entry): Same.
1669         (Output_data_plt_arm::do_write): Define new method.
1670         (Target_arm::make_plt_entry): Same.
1671         (Target_arm::do_finalize_sections): Same.
1672         (Target_arm::do_dynsym_value): Same.
1673
1674 2009-05-28  Doug Kwan  <dougkwan@google.com>
1675
1676         * Makefile.am (TARGETSOURCES): Add arm.cc.
1677         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1678         * Makefile.in: Regenerate.
1679         * arm.cc: New file.
1680         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1681
1682 2009-05-26  Doug Kwan  <dougkwan@google.com>
1683
1684         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
1685         (General_options::check_excluded_libs): Strip off directories in
1686         archive name before matching like GNU ld does.
1687         * testsuite/Makefile.am (MOSTLYCLEANFILES,
1688         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1689         (exclude_libs_test_LDFLAGS): Add linker option
1690         -Wl,--exclude-libs,libexclude_libs_test_3
1691         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1692         an explicit archive without using -l.
1693         (alt/libexclude_libs_test_3.a): New make rule.
1694         * testsuite/Makefile.in: Regenerate.
1695         * testsuite/exclude_libs_test.c : Declare lib3_default().
1696         (main): Call it.
1697         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1698         * exclude_libs_test_3.c: New file.
1699
1700 2009-05-26  Nick Clifton  <nickc@redhat.com>
1701
1702         * po/id.po: New Indonesian translation.
1703         * po/gold.pot: Updated template file.
1704
1705 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
1706
1707         * testsuite/Makefile.am: Add -ffunction-sections to compile
1708         gc_comdat_test files.  Add -Wl,--gc-sections to build
1709         gc_comdat_test.
1710         * testsuite/Makefile.in: Regenerate.
1711         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1712
1713 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
1714
1715         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
1716         kept comdat section was garbage collected.
1717         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
1718         * testsuite/Makefile.in: Regenerate.
1719         * testsuite/gc_comdat_test.sh: New file.
1720         * testsuite/gc_comdat_test_1.cc: New file.
1721         * testsuite/gc_comdat_test_2.cc: New file.
1722
1723 2009-05-19  Doug Kwan  <dougkwan@google.com>
1724
1725         * archive.cc (Archive::Archive): Move constructor from archive.h
1726         to here.  Initialize no_export_.
1727         (Archive::get_elf_object_for_member): Set no_export flag of object.
1728         * archive.h (Archive::Archive): Move constructor body to
1729         archive.cc.
1730         (Archive::no_export): New method.
1731         (Archive::no_export_): New field.
1732         * object.h (Object::Object): Initialize no_export_ to false.
1733         (Object::no_export, Object::set_no_export): New methods.
1734         (Object::no_export_): New field.
1735         * options.cc (General_options::parse_exclude_libs): New method.
1736         (General_options::check_excluded_libs) Same.
1737         * options.h (exclude_libs): New option.
1738         (General_options::check_excluded_libs): New method declaration.
1739         (General_options::excluded_libs_): New field.
1740         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
1741         default or protected visibility if an object has no-export flag set.
1742         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
1743         (check_SCRIPTS): Add exclude_libs_test.sh.
1744         (check_DATA): Add exclude_libs_test.syms.
1745         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
1746         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
1747         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
1748         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
1749         (exclude_libs_test.syms, libexclude_libs_test_1.a,
1750         libexclude_libs_test_2.a): New rules.
1751         * testsuite/Makefile.in: Regenerate.
1752         * testsuite/exclude_libs_test.c: New file.
1753         * testsuite/exclude_libs_test.sh: Ditto.
1754         * testsuite/exclude_libs_test_1.c: Ditto.
1755         * testsuite/exclude_libs_test_2.c: Ditto.
1756
1757 2009-05-15  Ian Lance Taylor  <iant@google.com>
1758
1759         * configure.ac: Check for declarations for cases where libiberty.h
1760         checks HAVE_DECL_xxx.
1761         * configure, config.in: Rebuild.
1762
1763 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
1764
1765         * gold.h (Incremental_argument_list): Remove (invalid) forward
1766         declaration.
1767         * incremental.cc (Incremental_inputs::report_achive): New method.
1768         (Incremental_inputs::report_object): New method.
1769         (Incremental_inputs::report_script): New method.
1770         (Incremental_inputs::finalize_inputs): New method.
1771         (Incremental_inputs::finalize): Call finalize_inputs().
1772         (Incremental_inputs::sized_create_incremental_inputs_section_data):
1773         Create inputs entries.
1774         * incremental.h (Incremental_input_type): New enum.
1775         (Incremental_inputs::Incremental_input): Initialize new fields.
1776         (Incremental_inputs::report_inputs): New method.
1777         (Incremental_inputs::report_achive): New method.
1778         (Incremental_inputs::report_object): New method.
1779         (Incremental_inputs::report_script): New method.
1780         (Incremental_inputs::finalize_inputs): New method.
1781         (Incremental_inputs::Input_info): New struct.
1782         (Incremental_inputs::Input_info_map): New typedef.
1783         (Incremental_inputs::lock_): New field.
1784         (Incremental_inputs::Inputs_): New field.
1785         (Incremental_inputs::Inputs_map): New field.
1786         * main.cc (main): Call Incremental_input::report_inputs.
1787         * options.h (Input_argument_list): Typedef moved from
1788         Input_arguments.
1789         (Input_file_group::Files): Remove, use ::Input_argument_list.
1790         (Input_file_group::Input_argument_list): Remove, use
1791         ::Input_argument_list.
1792         * plugin.cc (Plugin_manager::add_input_file): Add error in
1793         incremental build.
1794         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
1795         functions.
1796         * script.cc (read_input_script): Call
1797         Incremental_input::report_script.
1798         * script.h (Script_info): New class.
1799
1800 2009-04-27  Ian Lance Taylor  <iant@google.com>
1801
1802         * x86_64.cc (do_adjust_output_section): Set entsize to
1803         plt_entry_size.
1804
1805 2009-04-23  Elliott Hughes  <enh@google.com>
1806
1807         * output.cc (Output_file::close): After short writes, continue
1808         writing from the correct offset in the buffer being written.
1809
1810 2009-04-23  Chris Demetriou  <cgd@google.com>
1811
1812         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
1813         * configure: Regenerate.
1814         * config.in: Regenerate.
1815         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
1816         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
1817
1818 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
1819
1820         * incremental.cc (Incremental_inputs_header_data): Renamed from
1821         Incremental_input_header_data.
1822         (Incremental_inputs_header_data::data_size): New field.
1823         (Incremental_inputs_header_data::put_input_file_count): Renamed
1824         from input_file_count.
1825         (Incremental_inputs_header_data::put_command_line_offset): Renamed
1826         from command_line_offset.
1827         (Incremental_inputs_header_data::put_reserved): Renamed from
1828         put_reserved.
1829         (Incremental_inputs_entry_data): Renamed from
1830         Incremental_input_entry_data.
1831         (Incremental_inputs_entry_data::data_size): New field.
1832         (Incremental_inputs::report_command_line): New method.
1833         (Incremental_inputs::finalize): New method.
1834         (Incremental_inputs::create_incremental_inputs_data): New method.
1835         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
1836         * incremental.h: New file.
1837         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
1838        (Layout::finalize): Create incremental inputs section in
1839         incremental builds.
1840        (Layout::create_incremental_info_sections): New method.
1841         * layout.h (Layout::incremental_inputs): New method.
1842        (Layout::create_incremental_info_sections): New method.
1843        (Layout::incremental_inputs_): New field.
1844         * main.cc (main): Notify Incremental_input of the command line.
1845
1846 2009-04-01  Ian Lance Taylor  <iant@google.com>
1847             Mikolaj Zalewski  <mikolajz@google.com>
1848
1849         * gold.h (reserve_unordered_map): Define, three versions, one for
1850         each version of Unordered_map.
1851         * layout.cc (Layout::Layout): Remove options parameter.  Add
1852         number_of_input_files parameter.  Don't initialize options_.
1853         Initialize number_of_input_files_ and resized_signatures_.  Move
1854         sections_are_attached_.
1855         (Layout::layout_group): Reserve space for group_signatures_.
1856         (Layout::find_or_add_kept_section): Change name parameter to be a
1857         reference.  Resize signatures_ map when it gets large enough.
1858         (Layout::layout_eh_frame): Use parameters->options() instead of
1859         this->options_.
1860         (Layout::make_output_section): Likewise.
1861         (Layout::attach_allocated_section_to_segment): Likewise.
1862         (Layout::finalize, Layout::create_executable_stack): Likewise.
1863         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
1864         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
1865         * layout.h (class Layout): Update declarations.  Remove options_
1866         field.  Add number_of_input_files_ and resized_signatures_
1867         fields.  Move sections_are_attached_ field.
1868         * main.cc (main): Pass number of input files to Layout
1869         constructor.  Don't pass options.
1870
1871 2009-03-30  Ian Lance Taylor  <iant@google.com>
1872
1873         * ffsll.c (ffsll): Correct implementation.
1874
1875 2009-03-27  Ian Lance Taylor  <iant@google.com>
1876
1877         * ffsll.c: New file.
1878         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
1879         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
1880         * ftruncate.c (ftruncate): Declare before definition.
1881         * mremap.c (mremap): Likewise.
1882         * pread.c (pread): Likewise.
1883         * configure, Makefile.in, config.in: Rebuild.
1884
1885         * mremap.c: New file.
1886         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
1887         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
1888         (mremap): Declare if HAVE_MREMAP is not defined.
1889         * configure, Makefile.in, config.in: Rebuild.
1890
1891 2009-03-27  Cary Coutant  <ccoutant@google.com>
1892
1893         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
1894         position independent.
1895         * sparc.cc (Target_sparc::check_non_pic): Likewise.
1896         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
1897
1898 2009-03-24  Cary Coutant  <ccoutant@google.com>
1899
1900         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
1901         an executable.
1902         (needs_dynamic_reloc): Likewise.
1903
1904 2009-03-24  Ian Lance Taylor  <iant@google.com>
1905
1906         * yyscript.y (file_cmd): Recognize EXTERN.
1907         (extern_name_list, extern_name_list_body): New nonterminals.
1908         * script.cc (script_add_extern): Define.
1909         * script-c.h (script_add_extern): Declare.
1910
1911 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
1912
1913         * object.cc (is_elf_object): Define.
1914         * object.h (is_elf_object): Declare.
1915         * archive.cc (Archive::get_elf_object_for_member): Call
1916         is_elf_object.
1917         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
1918
1919 2009-03-24  Elliott Hughes  <enh@google.com>
1920
1921         * output.cc (Output_file::map_anonymous): Define.
1922         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
1923         try an anonymous one.  Report the size if the mmap fails.
1924         * output.h (class Output_file): Declare map_anonymous.
1925
1926 2009-03-24  Ian Lance Taylor  <iant@google.com>
1927
1928         * target-select.cc (instantiate_target): Don't acquire the lock if
1929         the instantiated_target_ field has already been set.
1930
1931 2009-03-23  Ian Lance Taylor  <iant@google.com>
1932
1933         * gold-threads.h (class Initialize_lock): Define.
1934         * gold-threads.cc (class Initialize_lock_once): Define.
1935         (initialize_lock_control): New static variable.
1936         (initialize_lock_pointer): New static variable.
1937         (initialize_lock_once): New static function.
1938         (Initialize_lock::Initialize_lock): Define.
1939         (Initialize_lock::initialize): Define.
1940         * target-select.h: Include "gold-threads.h".
1941         (class Target_selector): Add lock_ and initialize_lock_ fields.
1942         Don't define instantiate_target, just declare it.
1943         * target-select.cc (Target_selector::Target_selector): Initialize
1944         new fields.
1945         (Target_selector::instantiate_target): Define.
1946         * descriptors.h: Include "gold-threads.h".
1947         (class Descriptors): Add initialize_lock_ field.
1948         * descriptors.cc (Descriptors::Descriptors): Initialize new
1949         field.
1950         (Descriptors::open): Use initialize_lock_ field
1951         * errors.h (class Errors): Add initialize_lock_ field.
1952         * errors.cc (Errors::Errors): Initialize new field.
1953         (Errors::initialize_lock): Use initialize_lock_ field.
1954         * powerpc.cc (class Target_selector_powerpc): Remove
1955         instantiated_target_ field.  In do_recognize call
1956         instantiate_target rather than do_instantiate_target.  In
1957         do_instantiate_target just allocate a new target.
1958         * sparc.cc (class Target_selector_sparc): Likewise.
1959
1960         * freebsd.h: New file.
1961         * i386.cc: Include "freebsd.h".
1962         (Target_i386): Derive from Target_freebsd rather than
1963         Sized_target.
1964         (Target_selector_i386): Derive from Target_selector_freebsd rather
1965         than Target_selector.
1966         * x86_64.cc: Include "freebsd.h".
1967         (Target_x86_64): Derive from Target_freebsd rather than
1968         Sized_target.
1969         (Target_selector_x86_64): Derive from Target_selector_freebsd
1970         rather than Target_selector.
1971         * target.h (class Target): Add adjust_elf_header and
1972         do_adjust_elf_header.
1973         * output.cc (Output_file_header:: do_sized_write): Call target
1974         adjust_elf_header routine.
1975         * configure.tgt: Set targ_osabi.
1976         * configure.ac: Define GOLD_DEFAULT_OSABI.
1977         * parameters.cc (Parameters::default_target): Pass
1978         GOLD_DEFAULT_OSABI to select_target.
1979         * target-select.h (class Target_selector): Make instantiate_target
1980         protected rather than private.
1981         * Makefile.am (HFILES): Add freebsd.h.
1982         * configure, Makefile.in, config.in: Rebuild.
1983
1984         * merge.cc (do_add_input_section): Correct pend value.  Change
1985         message about last entry not being null terminated from error to
1986         warning.
1987
1988 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
1989
1990         * incremental.cc: New file.
1991         * Makefile.am (CCFILES): Add incremental.cc.
1992         * Makefile.in: Rebuild.
1993
1994 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
1995
1996         * layout.cc (Layout::output_section_name): Preserve names
1997         of '.note.' sections.
1998
1999 2009-03-19  Ian Lance Taylor  <iant@google.com>
2000
2001         * descriptors.cc (Descriptors::open): Check that the options are
2002         valid before using them.
2003
2004 2009-03-18  Ian Lance Taylor  <iant@google.com>
2005
2006         * script-sections.h: Include <list>.
2007         (class Script_sections): Change Sections_elements from std::vector
2008         to std::list.  Typedef public Elements_iterator.  Add
2009         orphan_section_placement_, data_segment_align_start_, and
2010         saw_data_segment_align_ fields.  Remove data_segment_align_index_
2011         field.
2012         * script-sections.cc (class Orphan_section_placement): New class.
2013         (class Sections_element): Add virtual functions is_relro and
2014         orphan_section_init.  Remove virtual function place_orphan_here.
2015         (class Output_section_definition): Add is_relro and
2016         orphan_section_init.  Remove place_orphan_here.
2017         (class Orphan_output_section): Likewise.
2018         (Script_sections::Script_sections): Update for field changes.
2019         (Script_sections::data_segment_align): Set saw_data_segment_align_
2020         and data_segment_align_start_, not data_segment_align_index.
2021         (Script_sections::data_segment_relro_end): Check
2022         saw_data_segment_align_.  Use data_segment_align_start_ rather
2023         than data_segment_align_index_.
2024         (Script_sections::place_orphan): Rewrite to use
2025         Orphan_section_placement.
2026
2027 2009-03-17  Ian Lance Taylor  <iant@google.com>
2028
2029         * archive.cc (Archive::add_symbols): Check for a version attached
2030         to the symbol name in the archive map.
2031         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2032         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2033         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2034         (ver_test_11.a): New target.
2035         * testsuite/Makefile.in: Rebuild.
2036
2037         * configure.ac: Check for chsize and posix_fallocate.  Replace
2038         ftruncate.
2039         * ftruncate.c: New file, from gnulib.
2040         * output.cc (posix_fallocate): Define dummy version if not
2041         HAVE_POSIX_FALLOCATE.
2042         (Output_file::map): Call posix_fallocate rather than lseek and
2043         write.
2044         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2045         * configure, Makefile.in, config.in: Rebuild.
2046
2047 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
2048
2049         * layout.h (Layout::create_note): Add section_name parameter.
2050         * layout.cc (Layout::create_note): Likewise.
2051         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2052
2053 2009-03-17  Ian Lance Taylor  <iant@google.com>
2054
2055         * descriptors.cc: Include "options.h".
2056         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2057         (Descriptors::open): Always use O_CLOEXEC when opening a new
2058         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
2059         then set FD_CLOEXEC.
2060
2061         * sparc.cc (class Target_sparc): Add has_got_section.
2062         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2063         make sure we have a GOT section.
2064
2065         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2066         (Target_sparc::Scan::local): Likewise.
2067         (Target_sparc::Scan::global): Likewise.
2068         (Target_sparc::Relocate::relocate): Likewise.
2069         (Target_sparc::Relocate::relocate_tls): Likewise.
2070
2071         * symtab.cc (Symbol_table::define_default_version): New function,
2072         broken out of add_from_object.
2073         (Symbol_table::add_from_object): Call define_default_version.
2074         (Symbol_table::define_special_symbol): Add resolve_oldsym
2075         parameter.  Change all callers.  If the version for a symbol comes
2076         from a version script, resolve it with the symbol with the same
2077         name with no version.  Also add the symbol without a version if
2078         appropriate.
2079         (do_define_in_output_data): If resolving with oldsym, don't delete
2080         sym.
2081         (do_define_in_output_segment): Likewise.
2082         (do_define_as_constant): Likewise.
2083         * symtab.h (class Symbol_table): Update declarations.
2084
2085 2009-03-13  Ian Lance Taylor  <iant@google.com>
2086
2087         * readsyms.cc (Read_symbols::incompatible_warning): New function.
2088         (Read_symbols::requeue): New function.
2089         (Read_symbols::do_read_symbols): If make_elf_object fails because
2090         the target type is not configured, and the file was searched for,
2091         issue a warning and retry with the next directory.
2092         (Add_symbols::run): If the file has an incompatible format, and
2093         it was searched for, requeue the Read_symbols task.  On error,
2094         release the object.
2095         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
2096         dirindex parameter to constructor.  Change all callers.  Declare
2097         incompatible_warning and requeue.
2098         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2099         input_argument_ and input_group_ fields.  Add them to
2100         constructor.  Change all callers.
2101         (class Read_script): Add dirindex_ field.  Add it to constructor.
2102         Change all callers.
2103         * archive.cc (Archive::setup): Remove input_objects parameter.
2104         Change all callers.
2105         (Archive::get_file_and_offset): Likewise.
2106         (Archive::read_all_symbols): Likewise.
2107         (Archive::read_symbols): Likewise.
2108         (Archive::get_elf_object_for_member): Remove input_objects
2109         parameter.  Add punconfigured parameter.  Change all callers.
2110         (Archive::add_symbols): Change return type to bool.  Check return
2111         value of include_member.
2112         (Archive::include_all_members): Likewise.
2113         (Archive::include_member): Change return type to bool.  Return
2114         false if first included object has incompatible target.  Set
2115         included_member_ field.
2116         (Add_archive_symbols::run): If add_symbols returns false, requeue
2117         Read_symbols task.
2118         * archive.h (class Archive): Add included_member_ field.
2119         Initialize it in constructor.  Add input_file and searched_for
2120         methods.  Update declarations.
2121         (class Add_archive_symbols): Add dirpath_, dirindex_, and
2122         input_argument_ fields.  Add them to constructor.  Change all
2123         callers.
2124         * script.cc: Include "target-select.h".
2125         (class Parser_closure): Add skip_on_incompatible_target_ and
2126         found_incompatible_target_ fields.  Add
2127         skip_on_incompatible_target parameter to constructor.  Change all
2128         callers.  Add methods skip_on_incompatible_target,
2129         clear_skip_on_incompatible_target, found_incompatible_target, and
2130         set_found_incompatible_target.
2131         (read_input_script): Add dirindex parameter.  Change all callers.
2132         If parser finds an incompatible target, requeue Read_symbols
2133         task.
2134         (script_set_symbol): Clear skip_on_incompatible_target in
2135         closure.
2136         (script_add_assertion, script_parse_option): Likewise.
2137         (script_start_sections, script_add_phdr): Likewise.
2138         (script_check_output_format): New function.
2139         * script.h (read_input_script): Update declaration.
2140         * script-c.h (script_check_output_format): Declare.
2141         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2142         (ignore_cmd): Remove OUTPUT_FORMAT.
2143         * fileread.cc (Input_file::Input_file): Add explicit this.
2144         (Input_file::will_search_for): New function.
2145         (Input_file::open): Add pindex parameter.  Change all callers.
2146         * fileread.h (class Input_file): Add input_file_argument method.
2147         Declare will_search_for.  Update declarations.
2148         * object.cc (make_elf_object): Add punconfigured parameter.
2149         Change all callers.
2150         * object.h (class Object): Make input_file public.  Add
2151         searched_for method.
2152         (make_elf_object): Update declaration.
2153         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
2154         restart search.
2155         * dirsearch.h (class Dirsearch): Update declaration.
2156         * options.h (class General_options): Add --warn-search-mismatch.
2157         * parameters.cc (Parameters::is_compatible_target): New function.
2158         * parameters.h (class Parameters): Declare is_compatible_target.
2159         * workqueue.cc (Workqueue::add_blocker): New function.
2160         * workqueue.h (class Workqueue): Declare add_blocker.
2161
2162         * fileread.cc (Input_file::open): Remove options parameter.
2163         Change all callers.
2164         (Input_file::open_binary): Likewise.
2165         * script.cc (read_input_script): Likewise.
2166         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
2167         options parameter from constructor.  Change all callers.
2168         (class Read_script): Likewise.
2169         * fileread.h (class Input_file): Update declarations.
2170         * script.h (read_input_script): Update declaration.
2171
2172 2009-03-10  Nick Clifton  <nickc@redhat.com>
2173
2174         * po/es.po: New Spanish translation.
2175
2176 2009-03-06  Cary Coutant  <ccoutant@google.com>
2177
2178         * options.cc (parse_short_option): Keep dash_z from registering itself.
2179
2180 2009-03-03  Ian Lance Taylor  <iant@google.com>
2181
2182         PR 9918
2183         * target-reloc.h (relocate_section): Pass output_section to
2184         relocate.
2185         * i386.cc (Target_i386::should_apply_static_reloc): Add
2186         output_section parameter.  Change all callers.
2187         (Target_i386::Relocate::relocate): Add output_section parameter.
2188         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2189         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2190         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2191         * testsuite/two_file_shared.sh: New script.
2192         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2193         (check_DATA): Add two_file_shared.dbg.
2194         (two_file_shared.dbg): New target.
2195         * testsuite/Makefile.in: Rebuild.
2196
2197 2009-03-01  Ian Lance Taylor  <iant@google.com>
2198
2199         * configure.ac: Check for byteswap.h.
2200         * configure: Rebuild.
2201         * config.in: Rebuild.
2202
2203 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
2204
2205         * layout.cc (Layout::find_or_add_kept_section): New function.
2206         (Layout::add_comdat): Removed.
2207         * layout.h (struct Kept_section): Move out of class Layout.
2208         Remove trailing underscores from field names.  Add group_sections
2209         field.  Rename group_ field to is_group.  Change all uses.
2210         (class Layout): Declare find_or_add_kept_section, not add_comdat.
2211         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2212         comdat_groups_ field.
2213         (Sized_relobj::include_section_group): Use
2214         find_or_add_kept_section and Kept_section::group_sections.
2215         (Sized_relobj::include_linkonce_section): Likewise.
2216         * object.cc (class Sized_relobj): Don't define Comdat_group or
2217         Comdat_group_table.  Remove find_comdat_group and
2218         add_comdat_group.  Remove comdat_groups_ field.
2219         * plugin.cc (include_comdat_group): Use
2220         Layout::find_or_add_kept_section.
2221
2222 2009-02-28  Ian Lance Taylor  <iant@google.com>
2223
2224         * README: --gc-sections and map files are now supported.  Document
2225         some build requirements.
2226
2227         PR 6992
2228         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2229         relocatable link set the value of the section symbol to zero.
2230         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2231         relocatable link don't include the section address in the local
2232         symbol value.
2233
2234 2009-02-27  Ian Lance Taylor  <iant@google.com>
2235
2236         PR 6811
2237         * options.h (class Search_directory): Add is_system_directory.
2238         (class General_options): Declare is_in_system_directory.
2239         * options.cc (get_relative_sysroot): Make static.
2240         (get_default_sysroot): Make static.
2241         (General_optoins::is_in_system_directory): New function.
2242         * fileread.cc (Input_file::is_in_system_directory): New function.
2243         * fileread.h (class Input_file): Declare is_in_system_directory.
2244         * object.h (class Object): Add is_in_system_directory.
2245         (class Input_objects): Remove system_library_directory_ field.
2246         * object.cc (Input_objects::add_object): Don't set
2247         system_library_directory_.
2248         (input_objects::found_in_system_library_directory): Remove.
2249         * symtab.cc (Symbol_table::write_globals): Remove input_objects
2250         parameter.  Change all callers.
2251         (Symbol_table::sized_write_globals): Likewise.
2252         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2253         Call Object::is_in_system_directory.
2254         * symtab.h (class Symbol_table): Update declarations.
2255
2256         PR 5990
2257         * descriptors.h (Open_descriptor): Add is_on_stack field.
2258         * descriptors.cc (Descriptors::open): If the descriptor is on the
2259         top of the stack, remove it.  Initialize is_on_stack field.
2260         (Descriptors::release): Only add pod to stack if it is not on the
2261         stack already.
2262         (Descriptors::close_some_descriptor): Clear stack_next and
2263         is_on_stack fields.
2264
2265         PR 7091
2266         * output.cc (Output_section::find_starting_output_address): Rename
2267         from starting_output_address; add PADDR parameter; change return
2268         type.
2269         * output.h (class Output_section): Declare
2270         find_starting_output_address instead of starting_output_address.
2271         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2272         section symbol for which we can't find a merge section.
2273
2274         PR 9836
2275         * symtab.cc (Symbol_table::add_from_object): If the visibility is
2276         hidden or internal, force the symbol to be local.
2277         * resolve.cc (Symbol::override_visibility): Define.
2278         (Symbol::override_base): Use override_visibility.
2279         (Symbol_table::resolve): Likewise.
2280         (Symbol::override_base_with_special): Likewise.
2281         (Symbol_table::override_with_special): If the visibility is hidden
2282         or internal, force the symbol to be local.
2283         * symtab.h (class Symbol): Add set_visibility and
2284         override_visibility.
2285         * testsuite/ver_test_1.sh: New file.
2286         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2287         (check_DATA): Add ver_test_1.syms.
2288         (ver_test_1.syms): New target.
2289         * testsuite/Makefile.in: Rebuild.
2290
2291 2009-02-25  Cary Coutant  <ccoutant@google.com>
2292
2293         * layout.cc (Layout::choose_output_section): Don't rename sections
2294         when using a linker script that has a SECTIONS clause.
2295         * Makefile.in: Regenerate.
2296
2297         * testsuite/Makefile.am (script_test_5.sh): New test case.
2298         * testsuite/Makefile.in: Regenerate.
2299         * testsuite/script_test_5.cc: New file.
2300         * testsuite/script_test_5.sh: New file.
2301         * testsuite/script_test_5.t: New file.
2302
2303 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
2304
2305         * archive.cc (Archive::include_member): Update calls to add_symbols.
2306         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2307         the Layout argument.
2308         * dynobj.h (do_add_symbols): Add the Layout argument.
2309         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2310         Layout argument.
2311         * object.h (Object::add_symbols): Add the Layout argument.
2312         (Object::do_add_symbols): Add the Layout argument.
2313         (Sized_relobj::do_add_symbols): Add the Layout argument.
2314         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2315         Unify the two versions.
2316         (Add_plugin_symbols): Remove.
2317         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2318         (Sized_pluginobj::do_add_symbols): Unify the two versions.
2319         (Add_plugin_symbols): Remove.
2320         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2321         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2322         (Add_symbols::run): Make it work with Pulginobj.
2323
2324 2009-02-06  Ian Lance Taylor  <iant@google.com>
2325
2326         * object.cc (Sized_relobj::do_layout): Make info message start
2327         with lower case letter.
2328
2329 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
2330
2331         * binary.cc: Fix file comment.
2332
2333         * options.h (enum Incremental_disposition): Define.
2334         (class General_options): Add new options: --incremental,
2335         --incremental_changed, --incremental_unchanged,
2336         --incremental_unknown.  Add incremental_disposition_ and
2337         implicit_incremental_ fields.
2338         (General_options::incremental_disposition): New function.
2339         (class Position_dependent_options): Add incremental_disposition
2340         option.
2341         (Position_dependent_options::copy_from_options): Set incremental
2342         dispositions.
2343         * options.cc (General_options::parse_incremental_changed): New
2344         function.
2345         (General_options::parse_incremental_unchanged): New function.
2346         (General_options::parse_incremental_unknown): New function.
2347         (General_options::General_options): Initialize new fields
2348         incremental_disposition_ and implicit_incremental_.
2349         (General_options::finalize): Check for uasge of --incremental-*
2350         without --incremental.
2351
2352 2009-02-06  Chris Demetriou  <cgd@google.com>
2353
2354         * gold.h (gold_undefined_symbol): Change to take only a Symbol
2355         pointer and to report location as the file name associated with
2356         the symbol.
2357         (gold_undefined_symbol_at_location): New function to replace the
2358         old gold_undefined_symbol functionality.
2359         * target-reloc.h (relocate_section): Update to use
2360         gold_undefined_symbol_at_location.
2361         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2362         Call gold_undefined_symbol function rather than gold_error.
2363         * errors.h (Errors::undefined_symbol): Take location as a
2364         string, rather than calculating it from a relocation.
2365         * errors.cc (Errors::fatal): Print "fatal error:" before the
2366         formatted message.
2367         (Errors::error, Errors::error_at_location): Print "error: "
2368         before the formatted message.
2369         (Errors::undefined_symbol): Take location as a string, rather
2370         than calculating it from a relocation.
2371         (gold_undefined_symbol_at_location): New function akin to
2372         old gold_undefined_symbol, calculates location from relocation.
2373         (gold_undefined_symbol): Change to take only a Symbol pointer
2374         and to report location as the file name associated with the symbol.
2375         * testsuite/debug_msg.sh: Update for changed error messages.
2376         * testsuite/undef_symbol.sh: Likewise.
2377
2378 2009-02-04  Duncan Sands  <baldrick@free.fr>
2379
2380         PR 9812
2381         * reduced_debug_output.h
2382         (Output_reduced_debug_abbrev_section::failed): Use format for
2383         gold_warning.
2384         (Output_reduced_debug_info_section::faild): Likewise.
2385
2386 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
2387
2388         * script.cc (Lazy_demangler): New class.
2389         (Version_script_info::get_symbol_version_helper): Demangle a
2390         symbol only once.
2391
2392 2009-01-29  Cary Coutant  <ccoutant@google.com>
2393
2394         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2395         to __tls_get_addr.
2396         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2397
2398 2009-01-28  Ian Lance Taylor  <iant@google.com>
2399
2400         * version.cc (version_string): Bump to 1.9.
2401
2402         * gold.h: Include <cstring> and <stdint.h>.
2403         * version.cc: Include <cstdio>.
2404         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2405         warning.
2406         * reduced_debug_output.cc (insert_into_vector): Rename from
2407         Insert_into_vector; change all callers.  Use Swap_unaligned to
2408         avoid aliasing issue; remove union since it is unnecessary.
2409
2410 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
2411
2412         * Makefile.am (CCFILES): Add gc.cc.
2413         (HFILES): Add gc.h.
2414         * Makefile.in: Regenerate.
2415         * gold.cc (Gc_runner): New class.
2416         (queue_initial_tasks): Call garbage collection related tasks
2417         when corresponding options are invoked.
2418         (queue_middle_gc_tasks): New function.
2419         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2420         processed early before laying out sections during garbage collection.
2421         * gold.h (queue_middle_gc_tasks): New function.
2422         (is_prefix_of): Move from "layout.cc".
2423         * i386.cc (Target_i386::gc_process_relocs): New function.
2424         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2425         * main.cc (main): Create object of class "Garbage_collection".
2426         * object.cc (Relobj::copy_symbols_data): New function.
2427         (Relobj::is_section_name_included): New function.
2428         (Sized_relobj::do_layout): Allow this function to be called twice
2429         during garbage collection and defer layout of section during the
2430         first call.
2431         * object.h (Relobj::get_symbols_data): New function.
2432         (Relobj::is_section_name_included): New function.
2433         (Relobj::copy_symbols_data): New function.
2434         (Relobj::set_symbols_data): New function.
2435         (Relobj::get_relocs_data): New function.
2436         (Relobj::set_relocs_data): New function.
2437         (Relobj::is_output_section_offset_invalid): New pure virtual function.
2438         (Relobj::gc_process_relocs): New function.
2439         (Relobj::do_gc_process_relocs): New pure virtual function.
2440         (Relobj::sd_): New data member.
2441         (Sized_relobj::is_output_section_offset_invalid): New function.
2442         (Sized_relobj::do_gc_process_relocs): New function.
2443         * options.h (General_options::gc_sections): Modify to not be a no-op.
2444         (General_options::print_gc_sections): New option.
2445         * plugin.cc (Plugin_finish::run): Remove function call to
2446         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
2447         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2448         * reloc.cc (Read_relocs::run): Add task to process relocs and
2449         determine unreferenced sections when doing garbage collection.
2450         (Gc_process_relocs): New class.
2451         (Sized_relobj::do_gc_process_relocs): New function.
2452         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2453         sections that are garbage collected.
2454         * reloc.h (Gc_process_relocs): New class.
2455         * sparc.cc (Target_sparc::gc_process_relocs): New function.
2456         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2457         symbols whose corresponding sections are garbage collected.
2458         (Symbol_table::Symbol_table): Add new parameter for the garbage
2459         collection object.
2460         (Symbol_table::gc_mark_undef_symbols): New function.
2461         (Symbol_table::gc_mark_symbol_for_shlib): New function.
2462         (Symbol_table::gc_mark_dyn_syms): New function.
2463         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2464         as garbage.
2465         (Symbol_table::add_from_object): Likewise.
2466         (Symbol_table::add_from_relobj): When building shared objects, do not
2467         treat externally visible symbols as garbage.
2468         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2469         table information for static and relocatable links.
2470         * symtab.h (Symbol_table::set_gc): New function.
2471         (Symbol_table::gc): New function.
2472         (Symbol_table::gc_mark_undef_symbols): New function.
2473         (Symbol_table::gc_mark_symbol_for_shlib): New function.
2474         (Symbol_table::gc_mark_dyn_syms): New function.
2475         (Symbol_table::gc_): New data member.
2476         * target.h (Sized_target::gc_process_relocs): New pure virtual
2477         function.
2478         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2479         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2480
2481 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
2482
2483         * options.h (General_options::gc_sections): Define as a no-op for now.
2484         (General_options::no_keep_memory): Ditto.
2485         (General_options::Bshareable): Define.
2486         * options.cc (General_options::finalize): Honor -Bshareable.
2487
2488 2009-01-20  Andreas Schwab  <schwab@suse.de>
2489
2490         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2491         read the value in the contents, since we don't use it.  Use the
2492         template endianness when writing.
2493         (Relocate::relocate): Use it for R_PPC_REL16_HA.
2494
2495 2009-01-19  Andreas Schwab  <schwab@suse.de>
2496
2497         * configure.tgt (powerpc64-*): Fix targ_obj.
2498
2499 2009-01-15  Ian Lance Taylor  <iant@google.com>
2500
2501         * object.cc (Sized_relobj::write_local_symbols): Don't write out
2502         local symbols when stripping all symbols.
2503
2504 2009-01-14  Cary Coutant  <ccoutant@google.com>
2505
2506         * output.cc (Output_reloc): Add explicit instantiations.
2507
2508 2009-01-14  Cary Coutant  <ccoutant@google.com>
2509
2510         * archive.cc (Archive::get_elf_object_for_member): Remove call
2511         to File_read::claim_for_plugin.
2512         * descriptors.cc (Descriptors::open): Remove reference to
2513         is_claimed.
2514         (Descriptors::claim_for_plugin): Remove.
2515         * descriptors.h (Descriptors::claim_for_plugin): Remove.
2516         (Descriptors::is_claimed): Remove.
2517         (claim_descriptor_for_plugin): Remove.
2518         * fileread.cc (File_read::claim_for_plugin): Remove.
2519         * fileread.h (File_read::claim_for_plugin): Remove.
2520         (File_read::descriptor): Reopen descriptor if necessary.
2521         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
2522         (Plugin_manager::all_symbols_read): Add task parameter. Change
2523         all callers.
2524         (Plugin_manager::get_input_file): New function.
2525         (Plugin_manager::release_input_file): New function.
2526         (Pluginobj::Pluginobj): Add filesize parameter and initialize
2527         corresponding data member.
2528         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2529         and pass to base constructor. Change all callers.
2530         (get_input_file, release_input_file): New functions.
2531         (make_sized_plugin_object): Add filesize parameter. Change all callers.
2532         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2533         (Plugin_manager::all_symbols_read): Add task parameter.
2534         (Plugin_manager::get_input_file): New function.
2535         (Plugin_manager::release_input_file): New function.
2536         (Plugin_manager::task_): New data member.
2537         (Pluginobj::Pluginobj): Add filesize parameter.
2538         (Pluginobj::filename): New function.
2539         (Pluginobj::descriptor): New function.
2540         (Pluginobj::filesize): New function.
2541         (Pluginobj::filesize_): New data member.
2542         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2543         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2544         File_read::claim_for_plugin; use Object::unlock to unlock the file.
2545
2546         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2547         with archive libraries.
2548         * testsuite/Makefile.in: Regenerate.
2549         * testsuite/plugin_test.c (struct sym_info): New type.
2550         (get_input_file, release_input_file): New static variables.
2551         (onload): Capture new transfer vector entries.
2552         (claim_file_hook): Stop reading at end of file according to filesize.
2553         Factor out parsing of readelf output into separate function.
2554         (all_symbols_read_hook): Exercise get_input_file and release_input_file
2555         APIs and get the source file name from the symbol table.  Convert
2556         source file name to corresponding object file name.  Print info
2557         message when adding new input files.
2558         (parse_readelf_line): New function.
2559         * testsuite/plugin_test_1.sh: Add checks for new info messages.
2560         * testsuite/plugin_test_2.sh: Likewise.
2561         * testsuite/plugin_test_3.sh: Likewise.
2562         * testsuite/plugin_test_4.sh: New test case.
2563
2564 2009-01-07  Ian Lance Taylor  <iant@google.com>
2565
2566         * version.cc (version_string): Bump to 1.8.
2567
2568 2008-12-23  Cary Coutant  <ccoutant@google.com>
2569
2570         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2571         * plugin.cc (Plugin_manager::finish): Rename as
2572         layout_deferred_objects.  Move cleanup to separate function.
2573         (Plugin_manager::cleanup): New function.
2574         (Plugin_finish::run): Call layout_deferred_objects and cleanup
2575         separately.
2576         * plugin.h (Plugin_manager::finish): Rename as
2577         layout_deferred_objects.
2578         (Plugin_manager::cleanup): New function.
2579         (Plugin_manager::cleanup_done): New field.
2580
2581 2008-12-23  Cary Coutant  <ccoutant@google.com>
2582
2583         * plugin.cc (is_visible_from_outside): New function.
2584         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2585         so we don't return "IR only" status for exported symbols or -r links.
2586
2587         * testsuite/Makefile.am (plugin_test_3): New test case.
2588         * testsuite/Makefile.in: Regenerate.
2589         * testsuite/plugin_test_3.sh: New file.
2590
2591 2008-12-22  Cary Coutant  <ccoutant@google.com>
2592
2593         * object.cc (Sized_relobj::layout_section): New function.
2594         (Sized_relobj::do_layout): Defer layout of input sections until after
2595         plugin has provided replacement files.
2596         (Sized_relobj::do_layout_deferred_sections): New function.
2597         * object.h (Relobj::set_section_offset): Remove virtual keyword.
2598         (Relobj::layout_deferred_sections): New function.
2599         (Relobj::do_layout_deferred_sections): New function.
2600         (Sized_relobj::do_layout_deferred_sections): New function.
2601         (Sized_relobj::layout_section): New function.
2602         (Sized_relobj::Deferred_layout): New structure.
2603         (Sized_relobj::deferred_layout_): New field.
2604         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2605         Change all callers.  Layout deferred sections.
2606         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
2607         references.
2608         (Plugin_hook::run): Move code from do_plugin_hook inline.
2609         (Plugin_hook::do_plugin_hook): Remove.
2610         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2611         (Plugin_manager::finish): Renamed, was cleanup.
2612         (Plugin_manager::should_defer_layout): New function.
2613         (Plugin_manager::add_deferred_layout_object): New function.
2614         (Plugin_manager::Deferred_layout_list): New type.
2615         (Plugin_manager::deferred_layout_objects_): New field.
2616         (Plugin_hook::do_plugin_hook): Remove.
2617
2618 2008-12-17  Ian Lance Taylor  <iant@google.com>
2619
2620         * options.h (class General_options): Add --no case for
2621         --export-dynamic.
2622
2623 2008-12-16  Cary Coutant  <ccoutant@google.com>
2624
2625         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2626         vector.
2627         (Plugin_manager::claim_file): Create plugin object even if
2628         plugin did not call the add_symbols callback.
2629         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2630         asking for more symbols than were added.
2631         * testsuite/Makefile.am (plugin_test_1): Add test case with
2632         no global symbols.
2633         (empty.syms): New target.
2634         * testsuite/Makefile.in: Regenerate.
2635         * testsuite/plugin_test.c (claim_file_hook): Add new debug
2636         message. Don't call add_symbols if no globals.
2637         (all_symbols_read_hook): Don't provide replacement for empty
2638         claimed file.
2639
2640 2008-12-12  Ian Lance Taylor  <iant@google.com>
2641
2642         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2643         r_type == 0 for a local symbol with r_sym == 0.
2644         (scan_relocatable_relocs): Pass r_sym to
2645         local_non_section_strategy.
2646         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2647         r_sym parameter.
2648
2649         * configure.ac: Update test for TLS descriptors: they are
2650         supported as of glibc 2.9.
2651         * configure: Rebuild.
2652
2653 2008-12-11  Ian Lance Taylor  <iant@google.com>
2654
2655         PR 7091
2656         * target-reloc.h (Default_scan_relocatable_relocs): For each
2657         function, map r_type == 0 to RELOC_DISCARD.
2658
2659 2008-12-10  Cary Coutant  <ccoutant@google.com>
2660
2661         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2662         object to override a kept COMDAT group from a plugin object.
2663
2664 2008-12-09  Ian Lance Taylor  <iant@google.com>
2665
2666         PR 7088
2667         * yyscript.y (file_cmd): Handle INPUT.
2668
2669         * testsuite/initpri1.c: Change all declarations to be full
2670         prototypes by adding void, to avoid compiler warnings.
2671
2672 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
2673
2674         * options.cc (General_options::parse_plugin_opt): New.
2675         (General_options::add_plugin): The argument now is just the filename.
2676         (General_options::add_plugin_option): New.
2677         * options.h (plugin_opt): New.
2678         (add_plugin): Change argument name.
2679         (add_plugin_option): New.
2680         * plugin.cc (Plugin::load): Don't parse the plugin option.
2681         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2682         (Plugin::add_option): New.
2683         (Plugin::args_): Change type.
2684         (Plugin::filename_): New.
2685         (Plugin_manager::add_plugin_option): New.
2686         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2687         * testsuite/Makefile.in: Regenerate.
2688
2689 2008-12-05  Cary Coutant  <ccoutant@google.com>
2690
2691         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2692         Handle --strip-lto-sections option.
2693         * options.h (strip_lto_sections): New option.
2694
2695 2008-12-01  Cary Coutant  <ccoutant@google.com>
2696
2697         * plugin.cc (ld_plugin_message): Change format parameter to const.
2698         Fix mismatch between new[] and delete.
2699
2700 2008-11-14  Cary Coutant  <ccoutant@google.com>
2701
2702         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2703         instead of -1U.
2704
2705 2008-11-05  Craig Silverstein  <csilvers@google.com>
2706
2707         * options.cc (General_options::parse_dynamic_list): New function.
2708         * options.h (General_options): New flags dynamic_list,
2709         dynamic_list_data, dynamic_list_cpp_new, and
2710         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
2711         (General_options::in_dynamic_list): New function.
2712         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2713         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2714         (Lex::can_continue_name): Likewise.
2715         (yylex): Likewise.
2716         (read_script_file): New parameter script_options.
2717         (read_dynamic_list): New function.
2718         (Script_options::define_dynamic_list): New function.
2719         (dynamic_list_keyword_parsecodes): New variable.
2720         (dynamic_list_keywords): New variable.
2721         * script.h (Script_options::define_dynamic_list): New function
2722         prototype.
2723         (read_dynamic_list): New function prototype.
2724         * symtab.cc (strprefix): New macro.
2725         (Symbol::should_add_dynsym_entry): Support dynamic_list,
2726         dynamic_list_data, dynamic_list_cpp_new, and
2727         dynamic_list_cpp_typeinfo.
2728         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
2729         (dynamic_list_expr): New rule.
2730         (dynamic_list_nodes): Likewise.
2731         (dynamic_list_node): Likewise.
2732         * testsuite/Makefile.am (dynamic_list): New test.
2733         * testsuite/Makefile.in: Regenerated.
2734         * testsuite/dynamic_list.t: New file.
2735         * testsuite/dynamic_list.sh: New file.
2736
2737 2008-11-05  Craig Silverstein  <csilvers@google.com>
2738
2739         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
2740         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
2741         (t11_last): Likewise.
2742         * testsuite/ver_test_6.c (main): Likewise.
2743
2744 2008-10-07  Cary Coutant  <ccoutant@google.com>
2745
2746         * options.c (General_options::finalize): Add check for -static and
2747         -shared.
2748         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
2749         is not empty.
2750
2751 2008-10-02  Cary Coutant  <ccoutant@google.com>
2752
2753         * plugin.cc (make_sized_plugin_object): Fix conditional
2754         compilation to work when not all targets are enabled.
2755
2756 2008-09-29  Cary Coutant  <ccoutant@google.com>
2757
2758         * archive.cc (Archive::get_file_and_offset): Use filename instead
2759         of name to get library path.
2760         (Archive::include_member): Unlock external member of a thin archive.
2761
2762         * testsuite/Makefile.am (TEST_AR): New variable.
2763         (thin_archive_test_1): New test.
2764         (thin_archive_test_2): New test.
2765         * testsuite/Makefile.in: Regenerate.
2766         * testsuite/thin_archive_main.cc: New file.
2767         * testsuite/thin_archive_test_1.cc: New file.
2768         * testsuite/thin_archive_test_2.cc: New file.
2769         * testsuite/thin_archive_test_3.cc: New file.
2770         * testsuite/thin_archive_test_4.cc: New file.
2771
2772 2008-09-29  Cary Coutant  <ccoutant@google.com>
2773
2774         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
2775         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
2776         instead of -1U.
2777         (Sized_relobj::do_finalize_local_symbols): Likewise.
2778         (Sized_relobj::map_to_kept_section): Likewise.
2779         * object.h (Sized_relobj::invalid_address): New constant.
2780         (Sized_relobj::do_output_section_offset): Check for invalid_address
2781         and return -1ULL.
2782         * output.cc (Output_reloc::local_section_offset): Use constant
2783         invalid_address instead of -1U.
2784         (Output_reloc::get_address): Likewise.
2785         (Output_section::output_address): Change -1U to -1ULL.
2786         * output.h (Output_reloc::invalid_address): New constant.
2787         * reloc.cc (Sized_relobj::write_sections): Use constant
2788         invalid_address instead of -1U.
2789         (Sized_relobj::relocate_sections): Likewise.
2790         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
2791         values for merge sections.
2792         * target-reloc.h (relocate_for_relocatable): Use constant
2793         invalid_address instead of -1U.
2794
2795 2008-09-19  Cary Coutant  <ccoutant@google.com>
2796
2797         Add plugin functionality for link-time optimization (LTO).
2798         * configure.ac (plugins): Add --enable-plugins option.
2799         * configure: Regenerate.
2800         * config.in: Regenerate.
2801         * Makefile.am (LIBDL): New variable.
2802         (CCFILES): Add plugin.cc.
2803         (HFILES): Add plugin.h.
2804         (ldadd_var): Add LIBDL.
2805         * Makefile.in: Regenerate.
2806
2807         * archive.cc: Include "plugin.h".
2808         (Archive::setup): Don't preread archive symbols when using a plugin.
2809         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
2810         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
2811         files.
2812         (Archive::include_member): Add symbols from plugin objects.
2813         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
2814         * descriptors.cc (Descriptors::open): Check for file descriptors
2815         abandoned by plugins.
2816         (Descriptors::claim_for_plugin): New function.
2817         * descriptors.h (Descriptors::claim_for_plugin): New function.
2818         (Open_descriptor::is_claimed): New field.
2819         (claim_descriptor_for_plugin): New function.
2820         * fileread.cc (File_read::claim_for_plugin): New function.
2821         * fileread.h (File_read::claim_for_plugin): New function.
2822         (File_read::descriptor): New function.
2823         * gold.cc: Include "plugin.h".
2824         (queue_initial_tasks): Add task to call plugin hooks for generating
2825         new object files.
2826         * main.cc: Include "plugin.h".
2827         (main): Load plugin libraries.
2828         * object.h (Pluginobj): Declare.
2829         (Object::pluginobj): New function.
2830         (Object::do_pluginobj): New function.
2831         (Object::set_target): New function.
2832         * options.cc: Include "plugin.h".
2833         (General_options::parse_plugin): New function.
2834         (General_options::General_options): Initialize plugins_ field.
2835         (General_options::add_plugin): New function.
2836         * options.h (Plugin_manager): Declare.
2837         (General_options): Add --plugin option.
2838         (General_options::has_plugins): New function.
2839         (General_options::plugins): New function.
2840         (General_options::add_plugin): New function.
2841         (General_options::plugins_): New field.
2842         * plugin.cc: New file.
2843         * plugin.h: New file.
2844         * readsyms.cc: Include "plugin.h".
2845         (Read_symbols::do_read_symbols): Check for archive before checking
2846         for ELF file.  Call plugin hooks to claim files.
2847         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
2848         from a real object file; force override when processing replacement
2849         files.
2850         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
2851         (Symbol::init_base_object): Likewise.
2852         (Symbol::init_base_output_data): Likewise.
2853         (Symbol::init_base_output_segment): Likewise.
2854         (Symbol::init_base_constant): Likewise.
2855         (Symbol::init_base_undefined): Likewise.
2856         (Symbol::output_section): Assert that object is not a plugin.
2857         (Symbol_table::add_from_pluginobj): New function.
2858         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
2859         undefined.
2860         (Symbol_table::sized_write_globals): Likewise.
2861         (Symbol_table::add_from_pluginobj): Instantiate template.
2862         * symtab.h (Sized_pluginobj): Declare.
2863         (Symbol::in_real_elf): New function.
2864         (Symbol::set_in_real_elf): New function.
2865         (Symbol::in_real_elf_): New field.
2866         (Symbol_table::add_from_pluginobj): New function.
2867
2868         * testsuite/Makefile.am (AM_CFLAGS): New variable.
2869         (LIBDL): New variable.
2870         (LDADD): Add LIBDL.
2871         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
2872         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
2873         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
2874         (MOSTLYCLEANFILES): Likewise.
2875         * testsuite/Makefile.in: Regenerate.
2876         * testsuite/plugin_test.c: New file.
2877         * testsuite/plugin_test_1.sh: New file.
2878         * testsuite/plugin_test_2.sh: New file.
2879
2880 2008-09-16  Ian Lance Taylor  <iant@google.com>
2881
2882         * target-reloc.h (relocate_section): Check whether a symbol is
2883         defined by the ABI before reporting an undefined symbol error.
2884         * target.h (Target::is_defined_by_abi): Make parameter const.
2885         (Target::do_is_defined_by_abi): Likewise.
2886         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
2887         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
2888         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
2889         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
2890         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
2891         * testsuite/Makefile.in: Rebuild.
2892
2893         * fileread.cc (make_view): Add casts to avoid warning.
2894
2895 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
2896
2897         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
2898         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2899
2900 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
2901
2902         * options.h (General_options::output_is_executable): New.
2903         (General_options::output_is_pie): New.
2904         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
2905         for shared libraries.
2906         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2907
2908 2008-09-11  Chris Demetriou  <cgd@google.com>
2909
2910         * options.h (origin): New -z option.
2911         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
2912         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
2913         in DT_FLAGS_1.
2914
2915 2008-09-05  Cary Coutant  <ccoutant@google.com>
2916
2917         * fileread.cc (File_read::make_view): Add check for attempt to map
2918         beyond end of file.
2919
2920 2008-09-05  Cary Coutant  <ccoutant@google.com>
2921
2922         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
2923         explicit instantiations.
2924
2925 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
2926
2927         PR gold/6858
2928         * options.cc (General_options::finalize): Allow undefined symbols
2929         in shlibs if linking -shared.
2930
2931         PR gold/6859
2932         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
2933         symbols as not needing a dynsym entry.
2934
2935 2008-08-20  Craig Silverstein  <csilvers@google.com>
2936
2937         * fileread.cc (File_read::open): Do not lock the file unless it
2938         was successfully opened.
2939
2940 2008-08-14  Cary Coutant  <ccoutant@google.com>
2941
2942         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
2943         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
2944         * testsuite/tls_test.cc (struct int128): 128-bit struct
2945         for testing TLS relocs with non-zero addend.
2946         (v12): New TLS variable.
2947         (t12): New test.
2948         (t_last): Add check for v12.
2949         * testsuite/tls_test.h (t12): New function.
2950         * testsuite/tls_test_main.cc (thread_routine): Call new test.
2951
2952 2008-08-13  Ian Lance Taylor  <iant@google.com>
2953
2954         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
2955         set tls_segment_ or relro_segment_.
2956         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
2957         when appropriate.
2958         * output.h (Output_section::clear_is_relro): New function.
2959         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
2960         sections specially even when output_data_ is empty.
2961         (Output_segment::maximum_alignment): When first section is relro,
2962         only force alignment for PT_LOAD segments.
2963         * script.cc (script_data_segment_align): New function.
2964         (script_data_segment_relro_end): New function.
2965         * script-c.h (script_data_segment_align): Declare.
2966         (script_data_segment_relro_end): Declare.
2967         * script-sections.h (class Script_sections): Declare
2968         data_segment_align and data_segment_relro_end.  Add fields
2969         segment_align_index_ and saw_relro_end_.
2970         * script-sections.cc (class Sections_element): Add set_is_relro
2971         virtual function.  Add new bool* parameter to place_orphan_here.
2972         Add get_output_section virtual function.
2973         (class Output_section_definition): Add set_is_relro.  Add new
2974         bool* parameter to place_orphan_here.  Add get_output_section.
2975         Add is_relro_ field.
2976         (Output_section_definition::Output_section_definition): Initialize
2977         evaluated_address_, evaluated_load_address, evaluated_addralign_,
2978         and is_relro_ fields.
2979         (Output_section_definition::place_orphan_here): Add is_relro
2980         parameter.
2981         (Output_section_definition::set_section_addresses): Set relro for
2982         output section.
2983         (Output_section_definition::alternate_constraint): Likewise.
2984         (class Orphan_output_section): Add new bool* parameter to
2985         place_orphan_here.  Add get_output_section.
2986         (Orphan_output_section::place_orphan_here): Add is_relro
2987         parameter.
2988         (Script_sections::Script_sections): Initialize
2989         data_segment_align_index_ and saw_relro_end_.
2990         (Script_sections::data_segment_align): New function.
2991         (Script_sections::data_segment_relro_end): New function.
2992         (Script_sections::place_orphan): Set or clear is_relro.
2993         (Script_sections::set_section_addresses): Force alignment of first
2994         TLS section.
2995         * yyscript.y (exp): Call script_data_segment_align and
2996         script_data_segment_relro_end.
2997         * testsuite/relro_script_test.t: New file.
2998         * testsuite/relro_test.cc (using_script): Declare.
2999         (t1, t2): Test using_script.
3000         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3001         (relro_script_test_SOURCES): Define.
3002         (relro_script_test_DEPENDENCIES): Define.
3003         (relro_script_test_LDFLAGS): Define.
3004         (relro_script_test_LDADD): Define.
3005         (relro_script_test.so): New target.
3006         * testsuite/Makefile.in: Rebuild.
3007
3008 2008-08-06  Cary Coutant <ccoutant@google.com>
3009
3010         * archive.cc (Archive::total_archives, Archive::total_members)
3011         (Archive::total_members_loaded): New variables.
3012         (Archive::setup): Add parameter.  Add option to preread
3013         archive symbols.
3014         (Archive::read_armap): Add counter.
3015         (Archive::get_file_and_offset): New function.
3016         (Archive::get_elf_object_for_member): New function.
3017         (Archive::read_all_symbols): New function.
3018         (Archive::read_symbols): New function.
3019         (Archive::add_symbols): Add counters.
3020         (Archive::include_all_members): Use armap to find members if it's
3021         already built.
3022         (Archive::include_member): Skip reading symbols if already read.
3023         Factored code into Archive::get_file_and_offset and
3024         Archive::get_elf_object_for_member.  Changed call to
3025         Mapfile::report_include_archive_member.
3026         (Archive::print_stats): New function.
3027         * archive.h: Declare Object and Read_symbols_data classes.
3028         (Archive::Archive): Add initializers for new members.
3029         (Archive::setup): Add parameter.
3030         (Archive::print_stats): New function.
3031         (Archive::total_archives, Archive::total_members)
3032         (Archive::total_members_loaded): New variables.
3033         (Archive::get_file_and_offset): New function.
3034         (Archive::get_elf_object_for_member): New function.
3035         (Archive::read_all_symbols): New function.
3036         (Archive::read_symbols): New function.
3037         (Archive::Archive_member): New class.
3038         (Archive::members_): New member.
3039         (Archive::num_members_): New member.
3040         * main.cc: Include archive.h.
3041         (main): Call Archive::print_stats.
3042         * mapfile.cc (Mapfile::report_include_archive_member): Delete
3043         archive parameter; member_name is now the fully-decorated name.
3044         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3045         * options.h: (General_options): Add --preread-archive-symbols option.
3046         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3047         Archive::setup.
3048
3049 2008-08-04  Ian Lance Taylor  <iant@google.com>
3050
3051         * symtab.h (Symbol::use_plt_offset): New function.
3052         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3053         * powerpc.cc (Relocate::relocate): Likewise.
3054         * sparc.cc (Relocate::relocate): Likewise.
3055         * x86_64.cc (Relocate::relocate): Likewise.
3056         * testsuite/weak_plt.sh: New test.
3057         * testsuite/weak_plt_main.cc: New test.
3058         * testsuite/weak_plt_shared.cc: New test.
3059         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3060         (check_PROGRAMS): Add weak_plt.
3061         (check_DATA): Add weak_plt_shared.so.
3062         (weak_plt_main_pic.o, weak_plt): New targets.
3063         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3064         * testsuite/Makefile.in: Rebuild.
3065
3066         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3067         gcctestdir/ld.
3068         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3069         * testsuite/Makefile.in: Rebuild.
3070
3071 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
3072
3073         * Makefile.am (POTFILES.in): Set LC_ALL=C.
3074         * Makefile.in: Regenerate.
3075         * po/POTFILES.in: Regenerate.
3076
3077 2008-07-29  Ian Lance Taylor  <iant@google.com>
3078
3079         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3080         symbols before other symbols.
3081         * testsuite/script_test_2.cc (test_addr): Declare.
3082         (test_addr_alias): Declare.
3083         (main): Check that test_addr and test_addr_alias have the right
3084         values.
3085         * testsuite/script_test_2.t: Define test_addr_alias and
3086         test_addr.
3087
3088 2008-07-24  Ian Lance Taylor  <iant@google.com>
3089
3090         PR 5990
3091         * descriptors.cc: New file.
3092         * descriptors.h: New file.
3093         * gold-threads.h (class Hold_optional_lock): New class.
3094         * fileread.cc: Include "descriptors.h".
3095         (File_read::~File_read): Release descriptor rather than closing
3096         it.
3097         (File_read::open) [file]: Call open_descriptor rather than open.
3098         Set is_descriptor_opened_.
3099         (File_read::open) [memory]: Assert that descriptor is not open.
3100         (File_read::reopen_descriptor): New function.
3101         (File_read::release): Release descriptor.
3102         (File_read::do_read): Make non-const.  Reopen descriptor.
3103         (File_read::read): Make non-const.
3104         (File_read::make_view): Reopen descriptor.
3105         (File_read::do_readv): Likewise.
3106         * fileread.h (class File_read): Add is_descriptor_opened_ field.
3107         Update declarations.
3108         * layout.cc: Include "descriptors.h".
3109         (Layout::create_build_id): Use open_descriptor rather than open.
3110         * output.cc: Include "descriptors.h".
3111         (Output_file::open): Use open_descriptor rather than open.
3112         * archive.cc (Archive::const_iterator): Change Archive to be
3113         non-const.
3114         (Archive::begin, Archive::end): Make non-const.
3115         (Archive::count_members): Likewise.
3116         * archive.h (class Archive): Update declarations.
3117         * object.h (Object::read): Make non-const.
3118         * Makefile.am (CCFILES): Add descriptors.cc.
3119         (HFILES): Add descriptors.h.
3120         * Makefile.in: Rebuild.
3121
3122         PR 6716
3123         * gold.h: Always include <clocale>.  Add Solaris workarounds
3124         following code in binutils/sysdep.h.
3125
3126         PR 6048
3127         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
3128         this->eh_frame_hdr_ is NULL before using it.
3129
3130         * dynobj.cc (Versions::Versions): Update comment.
3131
3132         * dynobj.cc (Versions::Versions): If there is an soname, use it as
3133         the base version name.
3134
3135         * stringpool.cc (Stringpool_template::add_with_length): Set key to
3136         array size plus one.
3137         (Stringpool_template::set_string_offsets): Subtract one from key
3138         before using it as an array index.
3139         (Stringpool_template::get_offset_with_length): Likewise.
3140         (Stringpool_template::write_to_buffer): Likewise.
3141         * stringpool.h (Stringpool_template::get_offset_from_key):
3142         Likewise.
3143
3144 2008-07-23  Ian Lance Taylor  <iant@google.com>
3145
3146         PR 6658
3147         * object.h (Merged_symbol_value::value): Do our best to handle a
3148         negative addend.
3149
3150         PR 6647
3151         * script.cc (Version_script_info::get_versions): Don't add empty
3152         version tag to return value.
3153         (Version_script_info::get_symbol_version_helper): Change return
3154         type to bool.  Add pversion parameter.  Change all callers.
3155         (script_register_vers_node): Don't require a non-NULL tag.
3156         * script.h (class Version_script_info): Update declarations.
3157         (Version_script_info::get_symbol_version): Change return type to
3158         bool.  Add version parameter.  Change all callers.
3159         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3160         handling.  Handle an empty version from a version script.
3161         (Symbol_table::define_special_symbol): Likewise.
3162         * testsuite/ver_test_10.script: New file.
3163         * testsuite/ver_test_10.sh: New file.
3164         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3165         (check_DATA): Add ver_test_10.syms.
3166         (ver_test_10.syms, ver_test_10.so): New target.
3167         * testsuite/Makefile.in: Rebuild.
3168
3169 2008-07-23  Simon Baldwin  <simonb@google.com>
3170
3171         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3172         to zero for undefined symbols from dynamic libraries.
3173
3174 2008-07-23  Ian Lance Taylor  <iant@google.com>
3175
3176         * symtab.cc (Symbol_table::resolve): Remove version parameter.
3177         Change all callers.
3178         * symtab.h (class Symbol_table): Update declaration.
3179         * testsuite/ver_test_9.cc: New file.
3180         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3181         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3182         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3183         (ver_test_9.so, ver_test_9.o): New targets.
3184         * testsuite/Makefile.in: Rebuild.
3185
3186 2008-07-22  Ian Lance Taylor  <iant@google.com>
3187
3188         * options.h (class General_options): Define --check-sections.
3189         * layout.cc (Layout::set_segment_offsets): Handle
3190         --check-sections.
3191
3192         * options.h (class General_options): Define -n/--nmagic and
3193         -N/--omagic.
3194         * options.cc (General_options::finalize): For -n/--nmagic or
3195         -N/--omagic, set -static.
3196         * layout.cc (Layout::attach_allocated_section_to_segment): If
3197         -N/--omagic, don't put read-only and read-write sections in
3198         different segments.
3199         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3200         finding a read-only segment.
3201         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3202         don't set the minimum segment alignment to the common page size,
3203         and don't set the file offset to the address modulo the page size.
3204         * script-sections.cc (Script_sections::create_segments): If
3205         -n/--omagic, don't put read-only and read-write sections in
3206         different segments.
3207
3208         * cref.cc: New file.
3209         * cref.h: New file.
3210         * options.h (class General_options): Add --print-symbol-counts.
3211         * main.cc (main): Issue defined symbol report if requested.
3212         * archive.cc (Archive::interpret_header): Make into a const member
3213         function.
3214         (Archive::add_symbols): Call Input_objects::archive_start and
3215         archive_stop.
3216         (Archive::const_iterator): Define new class.
3217         (Archive::begin, Archive::end): New functions.
3218         (Archive::include_all_members): Rewrite to use iterator.
3219         (Archive::count_members): New function.
3220         * archive.h (class Archive): Update declarations.
3221         (Archive::filename): New function.
3222         * object.cc: Include "cref.h".
3223         (Sized_relobj::Sized_relobj): Initialize defined_count_.
3224         (Sized_relobj::do_get_global_symbol_counts): New function.
3225         (Input_objects::add_object): Add object to cross-referencer.
3226         (Input_objects::archive_start): New function.
3227         (Input_objects::archive_stop): New function.
3228         (Input_objects::print_symbol_counts): New function.
3229         * object.h: Declare Cref and Archive.
3230         (Object::get_global_symbol_counts): New function.
3231         (Object::do_get_global_symbol_counts): New pure virtual function.
3232         (class Sized_relobj): Add defined_count_ field.  Update
3233         declarations.
3234         (class Input_objects): Add cref_ field.  Update constructor.
3235         Update declarations.
3236         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3237         defined_count_.
3238         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3239         symbol counts.
3240         (Sized_dynobj::do_get_global_symbol_counts): New function.
3241         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3242         defined_count_.  Update declarations.  Define Symbols typedef.
3243         * symtab.cc (Symbol_table::add_from_relobj): Add defined
3244         parameter.  Change all callers.
3245         (Symbol_table::add_from_dynobj): Add sympointers and defined
3246         parameters.  Change all callers.
3247         * symtab.h (class Symbol_table): Update declarations.
3248         * Makefile.am (CCFILES): Add cref.cc.
3249         (HFILES): Add cref.h.
3250         * Makefile.in: Rebuild.
3251
3252 2008-07-22  Simon Baldwin  <simonb@google.com>
3253
3254         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3255         to zero when writing undefined symbols.
3256
3257 2008-07-22  Ian Lance Taylor  <iant@google.com>
3258
3259         * output.cc (Output_section::add_input_section): Don't try to
3260         merge empty merge sections.
3261
3262 2008-07-21  Craig Silverstein  <csilvers@google.com>
3263
3264         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3265         Include symbol version in error message.
3266
3267 2008-07-20  Chris Demetriou  <cgd@google.com>
3268
3269         * configure.ac (gold_cv_c_random_seed): New configured variable.
3270         (RANDOM_SEED_CFLAGS): New substituted variable.
3271         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3272         * configure: Rebuild.
3273         * Makefile.in: Likewise.
3274         * testsuite/Makefile.in: Likewise.
3275
3276 2008-07-18  Ian Lance Taylor  <iant@google.com>
3277
3278         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3279         where we see NAME/NULL and NAME/VERSION  as separate symbols.
3280         * testsuite/ver_test_main.cc (main): Call t4.
3281         (t4, t4_2a): Define.
3282         * testsuite/ver_test_2.cc (t4_2): Define.
3283         * testsuite/ver_test_2.script: Put t4_2a in VER2.
3284         * testsuite/ver_test_4.cc (t4_2a): Define.
3285         * testsuite/ver_test_4.script: Put t4_2a in VER2.
3286         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3287
3288 2008-07-17  Ian Lance Taylor  <iant@google.com>
3289
3290         * dynobj.cc (Versions::add_def): If we give an error about a
3291         missing version, go ahead and create the version anyhow.
3292
3293 2008-07-10  Ian Lance Taylor  <iant@google.com>
3294
3295         Handle output sections with more than 0x7fffffff bytes.
3296         * object.h (class Relobj): Change map_to_output_ to
3297         output_sections_, and just keep a section pointer.  Change all
3298         uses.  Move comdat group support to Sized_relobj.
3299         (Relobj::is_section_specially_mapped): Remove.
3300         (Relobj::output_section): Remove poff parameter.  Change all
3301         callers.
3302         (Relobj::output_section_offset): New function.
3303         (Relobj::set_section_offset): Rewrite.
3304         (Relobj::map_to_output): Remove.
3305         (Relobj::output_sections): New function.
3306         (Relobj::do_output_section_offset): New pure virtual function.
3307         (Relobj::do_set_section_offset): Likewise.
3308         (class Sized_relobj): Add section_offsets_ field.  Add comdat
3309         group support from Relobj.  Update declarations.
3310         (Sized_relobj::get_output_section_offset): New function.
3311         (Sized_relobj::do_output_section_offset): New function.
3312         (Sized_relobj::do_set_section_offset): New function.
3313         * object.cc (Relobj::output_section_address): Remove.
3314         (Sized_relobj::Sized_relobj): Initialize new fields.
3315         (Sized_relobj::include_section_group): Cast find_kept_object to
3316         Sized_relobj.
3317         (Sized_relobj::include_linkonce_section): Likewise.
3318         (Sized_relobj::do_layout): Use separate arrays for output section
3319         and output offset.
3320         (Sized_relobj::do_count_local_symbols): Change map_to_output to
3321         output_sections.
3322         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3323         output_sections and section_offsets.
3324         (Sized_relobj::write_local_symbols): Likewise.
3325         (map_to_kept_section): Compute output address directly.
3326         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3327         output_sections and section_offsets.
3328         (Sized_relobj::write_sections): Likewise.
3329         (Sized_relobj::relocate_sections): Likewise.
3330         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3331         * output.h (class Output_reloc): Update declarations.  Change
3332         u2_.relobj to Sized_relobj*.
3333         (class Output_data_reloc): Change add functions to use
3334         Sized_relobj*.
3335         * output.cc (Output_reloc::Output_reloc): Change relobj to
3336         Sized_relobj*.
3337         (Output_reloc::local_section_offset): Change return type to
3338         Elf_Addr.  Use get_output_section_offset.
3339         (Output_reloc::get_address): Likewise.
3340         (Output_section::is_input_address_mapped): Don't call
3341         is_section_specially_mapped.
3342         (Output_section::output_offset): Likewise.
3343         (Output_section::output_address): Likewise.
3344         (Output_section::starting_output_address): Likewise.
3345         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3346         parameter to Sized_relobj*.
3347         (Copy_relocs::need_copy_reloc): Likewise.
3348         (Copy_relocs::save): Likewise.
3349         * copy-relocs.h (class Copy_relocs): Update declarations.
3350         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3351         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
3352         * target-reloc.h (relocate_for_relocatable): Change
3353         offset_in_output_section type to Elf_Addr.  Change code that uses
3354         it as well.
3355         * layout.cc (Layout::layout): Always set *off.
3356         * mapfile.cc (Mapfile::print_input_section): Use
3357         output_section_offset.
3358         * i386.cc (Target_i386::copy_reloc): Change object parameter to
3359         Sized_relobj*.
3360         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3361         * sparc.cc (Target_sparc::copy_reloc): Likewise.
3362         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3363
3364 2008-07-03  Ian Lance Taylor  <iant@google.com>
3365
3366         * layout.cc (Layout::include_section): Do not discard unrecognized
3367         SHT_STRTAB sections.
3368
3369 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
3370
3371         * script.cc (Lex::can_continue_name): Make '?' allowable in
3372         version-script names.
3373         * testsuite/version_script.map: Change glob pattern to use '?'
3374
3375 2008-06-30  Manish Singh  <yosh@gimp.org>
3376
3377         PR 6585
3378         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3379         Correct typo.
3380
3381 2008-06-30  Ian Lance Taylor  <iant@google.com>
3382
3383         PR 6660
3384         PR 6682
3385         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3386         versions]: Don't try to read the value in the contents, since we
3387         don't use it.  Use the template endianness when writing.
3388
3389 2008-06-25  Cary Coutant  <ccoutant@google.com>
3390
3391         * fileread.cc (File_read::make_view): Assert on zero-length view.
3392         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3393         symbol table when there are no symbols to read.
3394
3395 2008-06-23  Craig Silverstein  <csilvers@google.com>
3396
3397         * version.cc (version_string): Bump to 1.7
3398
3399 2008-06-18  Craig Silverstein  <csilvers@google.com>
3400
3401         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3402         constant 0xFFFF to type Valtype.
3403         (Powerpc_relocate_functions::rel16_ha): Likewise.
3404
3405 2008-06-17  Ian Lance Taylor  <iant@google.com>
3406
3407         * output.h (Output_section::Input_section): Initialize p2align_ to
3408         zero for Output_section_data constructors.
3409         (Output_section::Input_section::addralign): If not an input
3410         section, return the alignment of the Output_section_data.
3411         * testsuite/copy_test.cc: New file.
3412         * testsuite/copy_test_1.cc: New file.
3413         * testsuite/copy_test_2.cc: New file.
3414         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3415         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3416         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3417         (copy_test_1_pic.o, copy_test_1.so): New targets.
3418         (copy_test_2_pic.o, copy_test_2.so): New targets.
3419         * testsuite/Makefile.in: Rebuild.
3420
3421         * script-sections.cc (Script_sections::place_orphan): Initialize
3422         local variable exact.
3423
3424 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
3425
3426         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3427
3428 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
3429             David S. Miller  <davem@davemloft.net>
3430
3431         * powerpc.cc: New file.
3432         * Makefile.am (TARGETSOURCES): Add powerpc.cc
3433         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3434         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3435         * Makefile.in: Rebuild.
3436
3437 2008-06-09  Ian Lance Taylor  <iant@google.com>
3438
3439         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3440         <exception>.
3441         (throwing, orig_terminate): New static variables.
3442         (terminate_handler): New static function.
3443         (t2): Set terminate handler.
3444
3445 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
3446
3447         PR 6584
3448         * binary.cc (Binary_to_elf::sized_convert): Fix .data
3449         alignment.
3450
3451 2008-05-30  Cary Coutant  <ccoutant@google.com>
3452
3453         * archive.cc (Archive::include_all_members) Correct to step
3454         over symbol table and extended name table in thin archives.
3455
3456 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
3457
3458         PR 6407
3459         * target-reloc.h (relocate_for_relocatable): Fix new_offset
3460         calculation.
3461
3462 2008-05-28  Caleb Howe  <cshowe@google.com>
3463
3464         * reduced_debug_output.cc: New file.
3465         * reduced_debug_output.h: New file.
3466         * options.h (class General_options): Add --strip-debug-non-line.
3467         * options.cc (General_options::finalize): Add strip_debug_non_line
3468         to the strip heirarchy.
3469         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3470         fields.
3471         * layout.cc: Include "reduced_debug_output.h".
3472         (Layout::Layout): Initialize new fields.
3473         (line_only_debug_sections): New static array.
3474         (is_lines_only_debug_sections): New static inline function.
3475         (Layout::include_section): Handle --strip-debug-non-line.
3476         (Layout::make_output_section): If --strip-debug-non-line, build
3477         new output sections for .debug_abbrev and .debug_info.
3478         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3479         gold.  Warn about possible overflow.
3480         (read_signed_LEB_128): Likewise.
3481         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3482         (read_signed_LEB_128): Declare.
3483         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3484         (HFILES): Add reduced_debug_output.h.
3485         * Makefile.in: Rebuild.
3486
3487 2008-05-21  Ian Lance Taylor  <iant@google.com>
3488
3489         * mapfile.cc: New file.
3490         * mapfile.h: New file.
3491         * options.h (class General_options): Add -M/--print-map and -Map.
3492         * options.cc (General_options::finalize): Make -M equivalent to
3493         -Map -.
3494         * main.cc: Include <cstdio> and "mapfile.h".
3495         (main): Open mapfile if requested.
3496         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
3497         constructor.  Change caller.
3498         (queue_initial_tasks): Add mapfile parameter.  Change caller.
3499         (queue_middle_tasks): Likewise.
3500         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3501         declarations.
3502         * archive.cc: Include "mapfile.h".
3503         (Archive::add_symbols): Add mapfile parameter.  Change all
3504         callers.  Pass mapfile, symbol, and reason to include_member.
3505         (Archive::include_all_members): Add mapfile parameter.  Change all
3506         callers.
3507         (Archive::include_member): Add mapfile, sym, and why parameters.
3508         Change all callers.  Report inclusion to map file.
3509         * archive.h: Include "fileread.h".
3510         (class Archive): Update declarations.
3511         (Archive::file): New const method.
3512         (class Add_archive_symbols): Add mapfile_ field.  Update
3513         constructor.  Change all callers.
3514         * readsyms.h (class Read_symbols): Likewise.
3515         (class Finish_group): Likewise.
3516         (class Read_script): Likewise.
3517         * common.cc: Include "mapfile.h".
3518         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
3519         all callers.
3520         (Symbol_table::do_allocate_commons): Likewise.
3521         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
3522         symbol allocation to mapfile.
3523         * common.h (class Allocate_commons_task): Add mapfile_ field.
3524         Update constructor.  Change all callers.
3525         * symtab.h (class Symbol_table): Update declarations.
3526         * layout.cc: Include "mapfile.h".
3527         (Layout_task_runner::run): Print information to mapfile.
3528         (Layout::create_gold_note): Change Output_data_fixed_space to
3529         Output_data_zero_fill.
3530         (Layout::create_build_id): Likewise.
3531         (Layout::print_to_mapfile): New function.
3532         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
3533         constructor.  Change caller.
3534         (class Layout): Declare print_to_mapfile.
3535         * output.cc (Output_section::Input_section::print_to_mapfile): New
3536         function.
3537         (Output_section::add_input_section): If producing a map, always
3538         add to input_sections_ list.
3539         (Output_section::do_print_to_mapfile): New function.
3540         (Output_segment::print_sections_to_mapfile): New function.
3541         (Output_segment::print_section_list_to_mapfile): New function.
3542         * output.h: Include "mapfile.h".
3543         (Output_data::print_to_mapfile): New function.
3544         (Output_data::do_print_to_mapfile): New virtual function.
3545         (Output_segment_headers::do_print_to_mapfile): New function.
3546         (Output_file_header::do_print_to_mapfile): New function.
3547         (Output_data_const::do_print_to_mapfile): New function.
3548         (class Output_data_const_buffer): Add map_name_ field.  Update
3549         constructor.  Change all callers.  Add do_print_to_mapfile
3550         function.
3551         (class Output_data_fixed_space): Likewise.
3552         (class Output_data_space): Likewise.
3553         (class Output_data_zero_fill): New class.
3554         (Output_data_strtab::do_print_to_mapfile): New function.
3555         (Output_data_reloc_base::do_print_to_mapfile): New function.
3556         (Output_relocatable_relocs::do_print_to_mapfile): New function.
3557         (Output_data_group::do_print_to_mapfile): New function.
3558         (Output_data_got::do_print_to_mapfile): New function.
3559         (Output_data_dynamic::do_print_to_mapfile): New function.
3560         (Output_symtab_xindex::do_print_to_mapfile): New function.
3561         (class Output_section): Declare do_print_to_mapflie.  Declare
3562         print_to_mapfile in Input_section.
3563         (class Output_segment): Declare new functions.
3564         * object.h (Sized_relobj::symbol_count): New function.
3565         * script-sections.cc
3566         (Output_section_element_dot_assignment::set_section_addresses):
3567         Change Output_data_fixed_space to Output_data_zero_fill.
3568         (Output_data_expression::do_print_to_mapfile): New function.
3569         * script.cc (read_input_script): Add mapfile parameter.  Change
3570         all callers.
3571         * script.h (read_input_script): Update declaration.
3572         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3573         (Eh_frame::do_print_to_mapfile): New function.
3574         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3575         (Output_merge_string::do_print_to_mapfile): New function.
3576         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3577         function.
3578         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3579         function.
3580         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3581         function.
3582         * Makefile.am (CCFILES): Add mapfile.cc.
3583         (HFILES): Add mapfile.h.
3584         * Makefile.in: Rebuild.
3585
3586 2008-05-19  Ian Lance Taylor  <iant@google.com>
3587
3588         * options.h (class General_options): Add -z relro.
3589         * layout.cc (Layout::Layout): Initialize relro_segment_.
3590         (Layout::add_output_section_data): Return the output section.
3591         (Layout::make_output_section): Rcognize relro sections and mark
3592         them appropriately.
3593         (Layout::attach_allocated_section_to_segment): Put relro sections
3594         in a PT_GNU_RELRO segment.
3595         (Layout::create_initial_dynamic_sections): Mark the .dynamic
3596         section as relro.
3597         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3598         PT_TLS segments.
3599         (Layout::linkonce_mapping): Map d.rel.ro.local to
3600         .data.rel.ro.local.
3601         (Layout::output_section_name): Us .data.rel.ro.local for any
3602         section which begins with that.
3603         * layout.h (class Layout): Update add_output_section_data
3604         declaration.  Add relro_segment_ field.
3605         * output.cc (Output_section::Output_section): Initialize is_relro_
3606         and is_relro_local_ fields.
3607         (Output_segment::add_output_section): Group relro sections.
3608         (Output_segment::is_first_section_relro): New function.
3609         (Output_segment::maximum_alignment): If there is a relro section,
3610         align the segment to the common page size.
3611         (Output_segment::set_section_addresses): Track whether we are
3612         looking at relro sections.  If the last section is a relro
3613         section, align to the common page size.
3614         (Output_segment::set_section_list_addresses): Add in_relro
3615         parameter.  Change all callers.  Align to the page size when
3616         moving from relro to non-relro section.
3617         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3618         segment.
3619         * output.h (class Output_section): Add is_relro_ and
3620         is_relro_local_ fields.
3621         (Output_section::is_relro): New function.
3622         (Output_section::set_is_relro): New function.
3623         (Output_section::is_relro_local): New function.
3624         (Output_section::set_is_relro_local): New function.
3625         (class Output_segment): Update declarations.
3626         * i386.cc (Target_i386::got_section): Mark .got section as relro.
3627         * sparc.cc (Target_sparc::got_section): Likewise.
3628         * x86_64.cc (Target_x86_64::got_section): Likewise.
3629         * testsuite/relro_test_main.cc: New file.
3630         * testsuite/relro_test.cc: New file.
3631         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3632         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3633         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3634         (relro_test.so, relro_test_pic.o): New targets.
3635         * testsuite/Makefile.in: Rebuild.
3636
3637 2008-05-16  Ian Lance Taylor  <iant@google.com>
3638
3639         * output.cc (Output_segment::add_output_section): Remove front
3640         parameter.
3641         * output.h (class Output_segment): Remove
3642         add_initial_output_section and overloaded add_output_section.
3643         Update declaration of remaining add_output_section.
3644         * layout.cc (Layout::create_interp): Call add_output_section
3645         rather than add_initial_output_section.
3646         (Layout::finish_dynamic_section): Likewise.
3647
3648         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3649         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
3650         know the dynamic type.
3651         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3652         field.  Initialize it in constructor.
3653         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3654         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3655         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3656         reloc.
3657
3658         * output.cc (Output_reloc::get_address): Change return type to
3659         Elf_Addr.
3660         * output.h (class Output_reloc): Update get_address declaration.
3661         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3662         for section addresses.
3663
3664 2008-05-09  Ian Lance Taylor  <iant@google.com>
3665
3666         PR 6493
3667         * gold.cc (gold_nomem): Use return value of write.
3668
3669 2008-05-08  Ian Lance Taylor  <iant@google.com>
3670
3671         * symtab.c (Symbol::init_base_output_data): Add version
3672         parameter.  Change all callers.
3673         (Symbol::init_base_output_segment): Likewise.
3674         (Symbol::init_base_constant): Likewise.
3675         (Symbol::init_base_undefined): Likewise.
3676         (Sized_symbol::init_output_data): Likewise.
3677         (Sized_symbol::init_output_segment): Likewise.
3678         (Sized_symbol::init_constant): Likewise.
3679         (Sized_symbol::init_undefined): Likewise.
3680         (Symbol_table::do_define_in_output_data): If the new symbol has a
3681         version, mark it as the default.
3682         (Symbol_table::do_define_in_output_segment): Likewise.
3683         (Symbol_table::do_define_as_constant): Likewise.
3684         * symtab.h (class Symbol): Update declarations.
3685         (class Sized_symbol): Likewise.
3686         * resolve.cc (Symbol::override_version): New function.
3687         (Symbol::override_base): Call override_version.
3688         (Symbol::override_base_with_special): Likewise.
3689         * testsuite/ver_script_8.script: New file.
3690         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3691         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3692         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3693         (ver_test_8_1.so, ver_test_8_2.so): New targets.
3694
3695 2008-05-06  Ian Lance Taylor  <iant@google.com>
3696
3697         PR 6049
3698         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3699         functions.
3700         (class General_options): Remove existing --undefined, and add
3701         --no-undefined instead.  Add new --undefined as synonym for -u.
3702         * archive.cc (Archive::add_symbols): Check whether symbol was
3703         named with -u.
3704         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3705         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3706         all uses.  Add IS_UNDEFINED.  Update declarations to split
3707         different versions of init_base.  Declare init_base_undefined.
3708         (Symbol::is_defined): Handle IS_UNDEFINED.
3709         (Symbol::is_undefined): Likewise.
3710         (Symbol::is_weak_undefined): Call is_undefined.
3711         (Symbol::is_absolute): Handle IS_CONSTANT.
3712         (class Sized_symbol): Update declarations to split different
3713         versions of init.  Declare init_undefined.
3714         (class Symbol_table): Declare new functions.
3715         * symtab.cc (Symbol::init_base_object): Rename from init_base.
3716         Change all callers.
3717         (Symbol::init_base_output_data): Likewise.
3718         (Symbol::init_base_output_segment): Likewise.
3719         (Symbol::init_base_constant): Likewise.
3720         (Symbol::init_base_undefined): New function.
3721         (Sized_symbol::init_object): Rename from init.  Change all
3722         callers.
3723         (Sized_symbol::init_output_data): Likewise.
3724         (Sized_symbol::init_output_segment): Likewise.
3725         (Sized_symbol::init_constant): Likewise.
3726         (Sized_symbol::init_undefined): New function.
3727         (Symbol_table::add_undefined_symbols_from_command_line): New
3728         function.
3729         (Symbol_table::do_add_undefined_symbols_from_command_line): New
3730         function.
3731         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
3732         (Symbol::output_section): Likewise.
3733         (Symbol::set_output_section): Likewise.
3734         (Symbol_table::sized_finalize_symbol): Likewise.
3735         (Symbol_table::sized_write_globals): Likewise.
3736         * resolve.cc (Symbol_table::should_override): Likewise.
3737         (Symbol::override_base_with_special): Likewise.
3738
3739         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
3740         symbol, change it to have default visibility.
3741         * testsuite/protected_1.cc: New file.
3742         * testsuite/protected_2.cc: New file.
3743         * testsuite/protected_3.cc: New file.
3744         * testsuite/protected_main_1.cc: New file.
3745         * testsuite/protected_main_2.cc: New file.
3746         * testsuite/protected_main_3.cc: New file.
3747         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
3748         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
3749         (protected_1_LDFLAGS, protected_1_LDADD): Define.
3750         (protected_1.so): New target.
3751         (protected_1_pic.o, protected_2_pic.o): New targets.
3752         (protected_3_pic.o): New target.
3753         (check_PROGRAMS): Add protected_2.
3754         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
3755         (protected_2_LDFLAGS, protected_2_LDADD): Define.
3756         * testsuite/Makefile.in: Rebuild.
3757
3758         * options.h (DEFINE_var): Add set_user_set_##varname__.
3759         (DEFINE_bool_alias): New macro.
3760         (class General_options): Define -Bstatic using DEFINE_bool_alias
3761         rather than DEFINE_special.  Add --undefined as an alias for -z
3762         defs.
3763         * options.cc (General_options::parse_Bstatic): Remove.
3764
3765         * options.h (class General_options): Add --fatal-warnings.
3766         * main.cc (main): Implement --fatal-warnings.
3767         * errors.h (Errors::warning_count): New function.
3768
3769         * options.h (class General_options): Add -Bsymbolic-functions.
3770         * symtab.h (Symbol::is_preemptible): Check for
3771         -Bsymbolic-functions.
3772
3773 2008-05-05  Ian Lance Taylor  <iant@google.com>
3774
3775         * options.h (DEFINE_bool): For DASH_Z, create the negative option
3776         as noVARNAME rather than no-VARNAME.
3777         (class General_options): Add option -z combreloc.
3778         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
3779         get_address.
3780         (Output_reloc::sort_before) [SHT_REL]: New function.
3781         (Output_reloc::sort_before) [SHT_RELA]: New function.
3782         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
3783         Sort_relocs_comparison.
3784         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
3785         parameter.  Change all callers.
3786         (Output_data_reloc::Output_data_reloc) [both versions]: Add
3787         sort_relocs parameter.  Change all callers.
3788         * output.cc (Output_reloc::get_address): New function, broken out
3789         of write_rel.
3790         (Output_reloc::write_rel): Call it.
3791         (Output_reloc::compare): New function.
3792         (Output_data_reloc_base::do_write): Optionally sort relocs.
3793
3794         * configure.ac: If targ_extra_obj is set, link it in.
3795         * configure.tgt: Initialize all variables.
3796         (x86_64*): Set targ_extra_obj and targ_extra_size.
3797         * configure: Rebuild.
3798
3799         * object.cc (Sized_relobj::include_section_group): Adjust section
3800         indexes read from group data.  Build vector to pass to
3801         layout_group.
3802         * layout.cc (Layout::layout_group): Add flags and shndxes
3803         parameters.  Remove contents parameter.  Change caller.  Update
3804         explicit instantiations.
3805         * layout.h (class Layout): Update layout_group declaration.
3806         * output.cc (Output_data_group::Output_data_group): Add flags and
3807         input_shndxes parameters.  Remove contents parameter.  Change
3808         caller.
3809         (Output_data_group::do_write): Change input_sections_ to
3810         input_shndxes_.
3811         * output.h (class Output_data_group): Update constructor
3812         declaration.  Rename input_sections_ to input_shndxes_.
3813         * testsuite/many_sections_test.cc: Add template.
3814
3815 2008-04-30  Cary Coutant  <ccoutant@google.com>
3816
3817         * target-reloc.h (relocate_section): Fix dead-pointer bug.
3818
3819         * layout.cc (Layout::include_section): Refactored check for debug
3820         info section.
3821         (Layout::add_comdat): Add new parameters.  Change type
3822         of signature parameter.  Add object and shndx to signatures table.
3823         (Layout::find_kept_object): New function.
3824         * layout.h: Include <cstring>.
3825         (Layout::is_debug_info_section): New function.
3826         (Layout::add_comdat): Add new parameters.
3827         (Layout::find_kept_object): New function.
3828         (Layout::Kept_section): New struct.
3829         (Layout::Signatures): Change type of map range.
3830         * object.cc (Relobj::output_section_address): New function.
3831         (Sized_relobj::include_section_group): Add new parameters.  Change
3832         calls to Layout::add_comdat.  Change to build table of kept comdat
3833         groups and table mapping discarded sections to kept sections.
3834         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
3835         (Sized_relobj::do_layout): Change calls to include_section_group and
3836         include_linkonce_section.
3837         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
3838         value to zero when section is discarded.
3839         (Sized_relobj::map_to_kept_section): New function.
3840         * object.h (Relobj::output_section_address): New function.
3841         (Relobj::Comdat_group): New type.
3842         (Relobj::find_comdat_group): New function.
3843         (Relobj::Comdat_group_table): New type.
3844         (Relobj::Kept_comdat_section): New type.
3845         (Relobj::Kept_comdat_section_table): New type.
3846         (Relobj::add_comdat_group): New function.
3847         (Relobj::set_kept_comdat_section): New function.
3848         (Relobj::get_kept_comdat_section): New function.
3849         (Relobj::comdat_groups_): New field.
3850         (Relobj::kept_comdat_sections_): New field.
3851         (Symbol_value::input_value): Update comment.
3852         (Sized_relobj::map_to_kept_section) New function.
3853         (Sized_relobj::include_linkonce_section): Add new parameter.
3854         * target-reloc.h (Comdat_behavior): New type.
3855         (get_comdat_behavior): New function.
3856         (relocate_section): Add code to map a discarded section to the
3857         corresponding kept section when applying a relocation.
3858
3859 2008-04-30  Craig Silverstein  <csilvers@google.com>
3860
3861         * dwarf_reader.cc (next_generation_count): New static var.
3862         (Addr2line_cache_entry): New struct.
3863         (addr2line_cache): New static var.
3864         (Dwarf_line_info::one_addr2line): Added caching.
3865         (Dwarf_line_info::clear_addr2line_cache): New function.
3866         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
3867         cache-size parameter.
3868         (Dwarf_line_info::one_addr2line_cache): New function.
3869         * symtab.cc (Symbol_table::detect_odr_violations): Pass
3870         new cache-size argument to one_addr2line(), and clear cache.
3871
3872 2008-04-28  Cary Coutant  <ccoutant@google.com>
3873
3874         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
3875         R_386_PC8 relocations.
3876
3877 2008-04-23  Ian Lance Taylor  <iant@google.com>
3878
3879         * object.cc (Sized_relobj::include_section_group): Check for
3880         invalid section group.
3881
3882         * object.cc (make_elf_object): Correct test for 64-bit ELF file
3883         header size.
3884
3885         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
3886         than read for file header.
3887         * archive.cc (Archive::include_member): Likewise.
3888
3889 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
3890
3891         * aclocal.m4: Regenerate.
3892         * configure: Regenerate.
3893
3894 2008-04-19  Ian Lance Taylor  <iant@google.com>
3895
3896         * version.cc (version_string): Bump to 1.6.
3897
3898         * testsuite/Makefile.am (many_sections_r_test): New target.
3899         (many_sections_r_test_SOURCES): Remove.
3900         (many_sections_r_test_DEPENDENCIES): Remove.
3901         (many_sections_r_test_LDFLAGS): Remove.
3902         (many_sections_r_test_LDADD): Remove.
3903
3904         * object.cc (Sized_relobj::do_add_symbols): Always pass
3905         local_symbol_count_ to add_from_relobj.
3906
3907         * testsuite/Makefile.am (many_sections_check.h): Only check one in
3908         every thousand variables.
3909         * testsuite/Makefile.in: Rebuild.
3910
3911         * object.cc (Xindex::initialize_symtab_xindex): New function.
3912         (Xindex::read_symtab_xindex): New function.
3913         (Xindex::sym_xindex_to_shndx): New function.
3914         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
3915         available.
3916         (Sized_relobj::do_initialize_xindex): New function.
3917         (Sized_relobj::do_read_symbols): Adjust section links.
3918         (Sized_relobj::symbol_section_and_value): Add is_ordinary
3919         parameter.  Change all callers.
3920         (Sized_relobj::include_section_group): Adjust section links and
3921         symbol section indexes.
3922         (Sized_relobj::do_layout): Adjust section links.
3923         (Sized_relobj::do_count_local_symbols): Adjust section links and
3924         symbol section indexes.
3925         (Sized_relobj::do_finalize_local_symbols): Distinguish between
3926         ordinary and special symbols.
3927         (Sized_relobj::write_local_symbols): Add symtab_xindex and
3928         dynsym_xindex parameters.  Change all callers.  Adjust section
3929         links.  Use SHN_XINDEX when needed.
3930         (Sized_relobj::get_symbol_location_info): Adjust section links.
3931         Don't get fooled by special symbols.
3932         * object.h (class Xindex): Define.
3933         (class Object): Add xindex_ parameter.  Declare virtual functoin
3934         do_initialize_xindex.
3935         (Object::adjust_sym_shndx): New function.
3936         (Object::set_xindex): New protected function.
3937         (class Symbol_value): Add is_ordinary_shndx_ field.
3938         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
3939         (Symbol_value::value): Assert ordinary section.
3940         (Symbol_value::initialize_input_to_output_map): Likewise.
3941         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
3942         Change all callers.
3943         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
3944         all callers.
3945         (class Sized_relobj): Update declarations.
3946         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
3947         parameter.  Change all callers.
3948         (Sized_relobj::adjust_shndx): New function.
3949         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
3950         field.
3951         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
3952         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
3953         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
3954         (Sized_dynobj::read_dynsym_section): Adjust section links.
3955         (Sized_dynobj::read_dynamic): Likewise.
3956         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
3957         section links.
3958         (Sized_dynobj::do_initialize_xindex): New function.
3959         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
3960         do_initialize_xindex.
3961         (Sized_dynobj::adjust_shndx): New function.
3962         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
3963         dynsym_xindex_ fields.
3964         (Layout::finalize): Add a call to set_section_indexes before
3965         creating the symtab sections.
3966         (Layout::set_section_indexes): Don't do anything if the section
3967         already has a section index.
3968         (Layout::create_symtab_sections): Add shnum parameter.  Change
3969         caller.  Create .symtab_shndx section if needed.
3970         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
3971         caller.
3972         (Layout::allocated_output_section_count): New function.
3973         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
3974         needed.
3975         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
3976         fields.  Update declarations.
3977         (Layout::symtab_xindex): New function.
3978         (Layout::dynsym_xindex): New function.
3979         (class Write_symbols_task): Add layout_ field.
3980         (Write_symbols_task::Write_symbols_task): Add layout parameter.
3981         Change caller.
3982         * output.cc (Output_section_headers::Output_section_headers): Add
3983         shstrtab_section parameter.  Change all callers.
3984         (Output_section_headers::do_sized_write): Store overflow values
3985         for section count and section string table section index in
3986         section header zero.
3987         (Output_file_header::do_sized_write): Check for overflow of
3988         section count and section string table section index.
3989         (Output_symtab_xindex::do_write): New function.
3990         (Output_symtab_xindex::endian_do_write): New function.
3991         * output.h (class Output_section_headers): Add shstrtab_section_.
3992         Update declarations.
3993         (class Output_symtab_xindex): Define.
3994         (Output_section::has_out_shndx): New function.
3995         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
3996         field.
3997         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
3998         Change all callers.
3999         (Sized_symbol::init): Likewise.
4000         (Symbol::output_section): Check for ordinary symbol.
4001         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
4002         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
4003         callers.
4004         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4005         Change all callers.  Simplify handling of symbols from sections
4006         not included in the link.
4007         (Symbol_table::add_from_dynobj): Handle ordinary symbol
4008         distinction.
4009         (Weak_alias_sorter::operator()): Assert that symbols are
4010         ordinary.
4011         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4012         distinction.
4013         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4014         parameters.  Change all callers.
4015         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
4016         symbol distinction.  Use SHN_XINDEX when needed.
4017         (Symbol_table::write_section_symbol): Add symtab_xindex
4018         parameter.  Change all callers.
4019         (Symbol_table::sized_write_section_symbol): Likewise.  Use
4020         SHN_XINDEX when needed.
4021         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
4022         declarations.
4023         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
4024         (Symbol::is_defined): Check is_ordinary.
4025         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4026         (Symbol::is_absolute, Symbol::is_common): Likewise.
4027         (class Sized_symbol): Update declarations.
4028         (class Symbol_table): Update declarations.
4029         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4030         parameters.  Change all callers.
4031         (Sized_symbol::override): Likewise.
4032         (Symbol_table::override): Likewise.
4033         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
4034         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
4035         is_ordinary, and orig_st_shndx parameters.  Change all callers.
4036         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4037         to be in an ordinary section.
4038         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4039         object and is_ordinary parameters.  Change all callers.
4040         (Sized_dwarf_line_info::read_relocs): Add object parameter.
4041         Change all callers.  Don't add undefined or non-ordinary symbols
4042         to reloc_map_.
4043         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4044         Change all callers.
4045         * dwarf_reader.h (class Sized_dwarf_line_info): Update
4046         declarations.
4047         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4048         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4049         (Sized_relobj::relocate_sections): Likewise.
4050         * target-reloc.h (scan_relocs): Adjust section symbol index.
4051         (scan_relocatable_relocs): Likewise.
4052         * i386.cc (Scan::local): Check for ordinary symbols.
4053         * sparc.cc (Scan::local): Likewise.
4054         * x86_64.cc (Scan::local): Likewise.
4055         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4056         to symbol_section_and_value.
4057         * testsuite/many_sections_test.cc: New file.
4058         * testsuite/Makefile.am (BUILT_SOURCES): Define.
4059         (check_PROGRAMS): Add many_sections_test.
4060         (many_sections_test_SOURCES): Define.
4061         (many_sections_test_DEPENDENCIES): Define.
4062         (many_sections_test_LDFLAGS): Define.
4063         (BUILT_SOURCES): Add many_sections_define.h.
4064         (many_sections_define.h): New target.
4065         (BUILT_SOURCES): Add many_sections_check.h.
4066         (many_sections_check.h): New target.
4067         (check_PROGRAMS): Add many_sections_r_test.
4068         (many_sections_r_test_SOURCES): Define.
4069         (many_sections_r_test_DEPENDENCIES): Define.
4070         (many_sections_r_test_LDFLAGS): Define.
4071         (many_sections_r_test_LDADD): Define.
4072         (many_sections_r_test.o): New target.
4073         * testsuite/Makefile.in: Rebuild.
4074
4075 2008-04-17  Cary Coutant  <ccoutant@google.com>
4076
4077         * errors.cc (Errors::info): New function.
4078         (gold_info): New function.
4079         * errors.h (Errors::info): New function.
4080         * gold.h (gold_info): New function.
4081         * object.cc (Input_objects::add_object): Print trace output.
4082         * options.cc (options::parse_set): New function.
4083         (General_options::parse_wrap): Deleted.
4084         (General_options::General_options): Deleted initializer.
4085         * options.h (options::String_set): New typedef.
4086         (options::parse_set): New function.
4087         (DEFINE_set): New macro.
4088         (General_options::wrap): Changed to use DEFINE_set. Changed
4089         callers of any_wrap_symbols and is_wrap_symbol.
4090         (General_options::trace, General_options::trace_symbol):
4091         New options.
4092         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4093         (General_options::wrap_symbols_): Deleted.
4094         * symtab.cc (Symbol_table::add_from_object): Print trace output.
4095
4096 2008-04-17  David S. Miller  <davem@davemloft.net>
4097
4098         * options.cc (General_options::parse_V): New function.
4099         * options.h: Add entries for -V and -Qy.
4100
4101 2008-04-17  Ian Lance Taylor  <iant@google.com>
4102
4103         * common.cc (Symbol_table::allocate_commons): Remove options
4104         parameter.  Change caller.
4105         (Symbol_table::do_allocate_commons): Remove options parameter.
4106         Change caller.  Just call do_allocate_commons_list twice.
4107         (Symbol_table::do_allocate_commons_list): New function, broken out
4108         of do_allocate_commons.
4109         * common.h (class Allocate_commons_task): Remove options_ field.
4110         Update constructor.
4111         * symtab.cc (Symbol_table::Symbol_table): Initialize
4112         tls_commons_.
4113         (Symbol_table::add_from_object): Put TLS common symbols on
4114         tls_commons_ list.
4115         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4116         which are IN_OUTPUT_DATA.
4117         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
4118         allocate_commons and do_allocate_commons declarations.  Declare
4119         do_allocate_commons_list.
4120         * gold.cc (queue_middle_tasks): Update creation of
4121         Allocate_commons_task to not pass options.
4122         * testsuite/Makefile.am (INCLUDES): Add -I.. .
4123         (TLS_TEST_C_FLAGS): New variable.
4124         (tls_test_c_pic.o): New target.
4125         (tls_test_shared.so): Link in tls_test_c_pic.o.
4126         (tls_test_c_pic_ie.o): New target.
4127         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
4128         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
4129         (tls_test_c.o): New target.
4130         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
4131         (tls_pic_test_LDADD): Likewise.
4132         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
4133         (tls_shared_gd_to_ie_test_LDADD): Likewise.
4134         (tls_test_c_gnu2.o): New target.
4135         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4136         tls_test_c_gnu2.o.
4137         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4138         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4139         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4140         * testsuite/tls_test.cc: Include "config.h".
4141         (t_last): Call t11_last.
4142         * testsuite/tls_test.h (t11, t11_last): Declare.
4143         * testsuite/tls_test_c.c: New file.
4144         * testsuite/tls_test_main.cc (thread_routine): Call t11.
4145         * configure.ac: Check for OpenMP support.
4146         * configure, config.in, Makefile.in: Rebuild.
4147         * testsuite/Makefile.in: Rebuild.
4148
4149 2008-04-16  Cary Coutant  <ccoutant@google.com>
4150
4151         * i386.cc (Target_i386::define_tls_base_symbol): New function.
4152         (Target_i386::tls_base_symbol_defined_): New field.
4153         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4154         (Target_i386::Scan::global): Likewise.
4155         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4156         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4157         (Target_x86_64::tls_base_symbol_defined_): New field.
4158         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4159         (Target_x86_64::Scan::global): Likewise.
4160
4161 2008-04-16  Cary Coutant  <ccoutant@google.com>
4162
4163         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4164         (Symbol::needs_plt_entry): Allow weak undefined symbols.
4165         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4166         building shared libraries.
4167         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4168         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4169         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4170         * testsuite/Makefile.in: Rebuild.
4171         * testsuite/weak_undef.h: New file.
4172         * testsuite/weak_undef_file1.cc: Add extra test cases.
4173         * testsuite/weak_undef_file2.cc: Likewise.
4174         * testsuite/weak_undef_test.cc: Likewise.
4175
4176 2008-04-16  David S. Miller  <davem@davemloft.net>
4177
4178         * sparc.cc (Target_sparc::Scan): Change from struct to class.
4179         Add issued_non_pic_error_ field.  Declare check_non_pic.
4180         (Target_sparc::Scan::check_non_pic): New function.
4181         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4182         (Target_sparc::Scan::global): Likewise.
4183
4184         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4185         * configure: Rebuild.
4186
4187         * options.h (DEFINE_enable): New macro.
4188         (new_dtags): New enable option.
4189         (initfirst, interpose, loadfltr, nodefaultlib,
4190         nodelete, nodlopen, nodump): New -z options.
4191         * layout.cc (Layout:finish_dynamic_section): If new
4192         dtags enabled, emit DT_RUNPATH.  Also, emit a
4193         DT_FLAGS_1 containing any specified -z flags.
4194
4195 2008-04-16  Ian Lance Taylor  <iant@google.com>
4196
4197         * copy-relocs.cc: New file.
4198         * copy-relocs.h: New file.
4199         * reloc.cc: Remove Copy_relocs code.
4200         * reloc.h: Likewise.
4201         * reloc-types.h (struct Reloc_types) [both versions]: Add
4202         get_reloc_addend_noerror.
4203         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4204         variants of add_global which take an addend which must be zero.
4205         * i386.cc: Include "copy-relocs.h".
4206         (class Target_i386): Change type of copy_relocs_ to variable,
4207         update initializer.
4208         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4209         Change all callers.
4210         (Target_i386::do_finalize_sections): Change handling of
4211         copy_relocs_.
4212         * sparc.cc: Include "copy-relocs.h".
4213         (class Target_sparc): Change type of copy_relocs_ to variable,
4214         update initializer.
4215         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4216         Change all callers.
4217         (Target_sparc::do_finalize_sections): Change handling of
4218         copy_relocs_.
4219         * x86_64.cc: Include "copy-relocs.h".
4220         (class Target_x86_64): Change type of copy_relocs_ to variable,
4221         update initializer.
4222         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4223         class.  Change all callers.
4224         (Target_x86_64::do_finalize_sections): Change handling of
4225         copy_relocs_.
4226         * Makefile.am (CCFILES): Add copy-relocs.cc.
4227         (HFILES): Add copy-relocs.h.
4228
4229         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4230
4231         * testsuite/script_test_4.sh: Permit leading zeroes.
4232
4233 2008-04-15  Ian Lance Taylor  <iant@google.com>
4234
4235         * script-sections.cc (Script_sections::create_segments): Use
4236         header_size_adjustment even when there is enough room for the
4237         headers.
4238         * testsuite/script_test_4.sh: New file.
4239         * testsuite/script_test_4.t: New file.
4240         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4241         (check_DATA): Add script_test_4.stdout.
4242         (MOSTLYCLEANFILES): Likewise.
4243         (script_test_4): New target.
4244         (script_test_4.stdout): New target.
4245         * testsuite/Makefile.in: Rebuild.
4246
4247         * sparc.cc: Add definitions for Output_data_plt_sparc class
4248         constants.
4249
4250 2008-04-14  David S. Miller  <davem@davemloft.net>
4251
4252         * sparc.cc: New file.
4253         * Makefile.am (TARGETSOURCES): Add sparc.cc
4254         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4255         * configure.tgt: Document targ_extra_size and
4256         targ_extra_big_endian.  Add entries for sparc-* and
4257         sparc64-*.
4258         * configure.ac: Handle targ_extra_size and
4259         targ_extra_big_endian.
4260         * Makefile.in: Rebuild.
4261         * configure: Likewise.
4262         * po/POTFILES.in: Likewise.
4263         * po/gold.pot: Likewise.
4264
4265 2008-04-14  Ian Lance Taylor  <iant@google.com>
4266
4267         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4268         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4269         in the name/type/flags to section mapping.  Don't call
4270         allocate_output_section.
4271         (Layout::choose_output_section): Change parameter from adjust_name
4272         to is_input_section.  Don't permit input sections after sections
4273         are attached to segments.  Don't call allocate_output_section.
4274         (Layout::layout_eh_frame): Call update_flags_for_input_section,
4275         not write_enable_output_section.
4276         (Layout::make_output_section): Don't push to
4277         unattached_section_list_ nor call attach_to_segment.  Call
4278         attach_section_to_segment if sections are attached.
4279         (Layout::attach_sections_to_segments): New function.
4280         (Layout::attach_section_to_segment): New function.
4281         (Layout::attach_allocated_section_to_segment): Rename from
4282         attach_to_segment.  Remove flags parameter.
4283         (Layout::allocate_output_section): Remove function.
4284         (Layout::write_enable_output_section): Remove function.
4285         * layout.h (class Layout): Update for above changes.  Add new
4286         field sections_are_attached_.
4287         * output.h (Output_section::update_flags_for_input_section): New
4288         function.
4289         * output.cc (Output_section::add_input_section): Call
4290         update_flags_for_input_section.
4291         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4292
4293 2008-04-11  Cary Coutant  <ccoutant@google.com>
4294
4295         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4296         thought unnecessary.
4297         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4298
4299 2008-04-11  Ian Lance Taylor  <iant@google.com>
4300
4301         * output.h (class Output_section_data): Remove inline definition
4302         of set_addralign.
4303         * output.cc (Output_section_data::set_addralign): New function.
4304
4305 2008-04-11  Cary Coutant  <ccoutant@google.com>
4306
4307         Add support for TLS descriptors for i386 and x86_64.
4308         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4309         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4310         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4311         GOT_TYPE_TLS_DESC.
4312         (Target_i386::got_mod_index_entry): Remove unnecessary code.
4313         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4314         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
4315         relocations.
4316         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4317         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4318         Fix problem with initial-exec relocations.
4319         (Target_i386::Relocate::relocate_tls): Likewise.
4320         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4321         relaxation.
4322         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4323         support for section-plus-offset dynamic table entries.
4324         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4325         (Output_data_dynamic::Dynamic_entry): Add support for
4326         section-plus-offset dynamic table entries.
4327         (Output_data_dynamic::Classification): Likewise.
4328         (Output_data_dynamic::classification_): Renamed offset_.
4329         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4330         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4331         (Target_x86_64::make_plt_section): New function.
4332         (Target_x86_64::reserve_tlsdesc_entries): New function.
4333         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4334         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4335         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4336         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4337         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4338         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4339         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4340         add extra PLT entry for TLS descriptors.
4341         (Output_data_plt_x86_64::got_): New field.
4342         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4343         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4344         fields.
4345         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4346         descriptors.
4347         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4348         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4349         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4350         R_386_TLS_DESC_CALL relocations.
4351         (Target_x86_64::Scan::global): Likewise.
4352         (Target_x86_64::do_finalize_sections): Add dynamic table entries
4353         for TLS descriptors.
4354         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4355         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4356         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4357         GD-to-IE relaxation.
4358         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4359         and TLS_DESCRIPTORS.
4360         * Makefile.in: Rebuild.
4361         * configure: Rebuild.
4362         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4363         (tls_test_shared2.so): New target.
4364         (tls_shared_gd_to_ie_test_SOURCES): New variable.
4365         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4366         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4367         (tls_shared_gd_to_ie_test_LDADD): New variable.
4368         (tls_shared_gnu2_gd_to_ie_test): New target.
4369         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4370         New targets.
4371         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4372         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4373         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4374         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4375         (tls_shared_gnu2_test): New target.
4376         (tls_test_gnu2_shared.so): New target.
4377         (tls_shared_gnu2_test_SOURCES): New variable.
4378         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4379         (tls_shared_gnu2_test_LDFLAGS): New variable.
4380         (tls_shared_gnu2_test_LDADD): New variable.
4381         * testsuite/Makefile.in: Rebuild.
4382         * testsuite/Makefile.
4383
4384 2008-04-11  Ian Lance Taylor  <iant@google.com>
4385
4386         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4387         justsyms.t.
4388         * testsuite/Makefile.in: Rebuild.
4389
4390         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4391         long.
4392         * testsuite/script_test_2.cc (main): Adjust test.
4393
4394 2008-04-11  David S. Miller  <davem@davemloft.net>
4395             Ian Lance Taylor  <iant@google.com>
4396
4397         * options.h (General_options): Add entries for '-Y' and
4398         '-relax'.
4399         * options.cc (General_options:finalize): If -Y was used, add those
4400         entries to the library path instead of the default "/lib" and
4401         "/usr/lib".
4402
4403 2008-04-11  David S. Miller  <davem@davemloft.net>
4404
4405         * testsuite/justsyms.t: Start at 0x100.
4406         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
4407         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4408         long.
4409         * testsuite/script_test_2.cc: Adjust string and section length
4410         checks.
4411
4412 2008-04-09  Ian Lance Taylor  <iant@google.com>
4413
4414         PR gold/5996
4415         * script-sections.cc (Sections_element::allocate_to_segment): Add
4416         orphan parameter.
4417         (Output_section_definition::allocate_to_segment): Likewise.
4418         (Orphan_output_section::allocate_to_segment): Likewise.
4419         (Script_sections::attach_sections_using_phdrs_clause): Don't
4420         propagate non-PT_LOAD segments to orphan sections.
4421         * testsuite/Makefile.am (script_test_3.stdout): Generate using
4422         readelf rather than objdump.
4423         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
4424         .interp section and PT_INTERP segment are the same size.
4425         * testsuite/Makefile.in: Rebuild.
4426
4427         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4428         aliases for symbols defined in the same object.
4429         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4430         (weak_alias_test_SOURCES): New variable.
4431         (weak_alias_test_DEPENDENCIES): New variable.
4432         (weak_alias_test_LDFLAGS): New variable.
4433         (weak_alias_test_LDADD): New variable.
4434         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4435         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4436         (weak_alias_test_3.o): New target.
4437         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4438         * testsuite/weak_alias_test_main.cc: New file.
4439         * testsuite/weak_alias_test_1.cc: New file.
4440         * testsuite/weak_alias_test_2.cc: New file.
4441         * testsuite/weak_alias_test_3.cc: New file.
4442
4443 2008-04-08  Ian Lance Taylor  <iant@google.com>
4444
4445         * options.h (class General_options): Add --noinhibit-exec option.
4446         * main.cc (main): Check --noinhibit-exec.
4447
4448         * options.h (class General_options): Define --wrap as a special
4449         option.  Add wrap_symbols_ field.
4450         (General_options::any_wrap_symbols): New function.
4451         (General_options::is_wrap_symbol): New function.
4452         * options.cc (General_options::parse_wrap): New function.
4453         (General_options::General_options): Initialize wrap_symbols_.
4454         * symtab.cc (Symbol_table::wrap_symbol): New function.
4455         (Symbol_table::add_from_object): Handle --wrap.
4456         * symtab.h (class Symbol_table): Declare wrap_symbol.
4457         * target.h (Target::wrap_char): New function.
4458         (Target::Target_info): Add wrap_char field.
4459         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4460         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4461         * testsuite/testfile.cc (Target_test::test_target_info):
4462         Likewise.
4463
4464         * errors.cc (Errors::undefined_symbol): Mention symbol version if
4465         there is one.
4466
4467         * layout.h (class Layout): Add added_eh_frame_data_ field.
4468         * layout.cc (Layout::Layout): Initialize new field.
4469         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4470         output section until we find a section we merged successfully.
4471         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4472         that the size be non-zero.
4473
4474         * merge.cc (Object_merge_map::get_output_offset): Remove inline
4475         qualifier.
4476
4477 2008-04-08  Craig Silverstein  <csilvers@google.com>
4478
4479         * configure.ac: Export new conditional variable HAVE_ZLIB.
4480         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4481         on HAVE_ZLIB.
4482         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4483         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4484
4485 2008-04-07  Ian Lance Taylor  <iant@google.com>
4486
4487         * version.cc (version_string): Set to "1.5".
4488
4489         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4490         Add issued_non_pic_error_ field.  Declare check_non_pic.
4491         (Target_x86_64::Scan::check_non_pic): New function.
4492         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4493         (Target_x86_64::Scan::global): Likewise.
4494
4495         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4496         addend parameter.  Change caller.  Handle merge sections.
4497         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4498         Address to Addend.  Don't add in the result of
4499         local_section_offset, pass down the addend and use the returned
4500         value.
4501         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4502         Update declarations of local_section_offset and symbol_value.
4503         * testsuite/two_file_test_1.cc (t18): New function.
4504         * testsuite/two_file_test_2.cc (f18): New function.
4505         * testsuite/two_file_test_main.cc (main): Call t18.
4506         * testsuite/two_file_test.h (t18, f18): Declare.
4507
4508         * configure.ac: Don't test for objdump, c++filt, or readelf.
4509         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4510         conditionals.
4511         (TEST_READELF): New variable.
4512         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4513         (check_PROGRAMS): Add two_file_strip_test.
4514         (two_file_strip_test): New target.
4515         (check_PROGRAMS): Add two_file_same_shared_strip_test.
4516         (two_file_same_shared_strip_test_SOURCES): New variable.
4517         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4518         (two_file_same_shared_strip_test_LDFLAGS): New variable.
4519         (two_file_same_shared_strip_test_LDADD): New variable.
4520         (two_file_shared_strip.so): New target.
4521         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4522         (ver_test_5.syms, ver_test_7.syms): Likewise.
4523         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4524         (strip_test_3.stdout): Use TEST_OBJDUMP.
4525         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4526
4527 2008-04-04  Cary Coutant  <ccoutant@google.com>
4528
4529         * symtab.h (Symbol::is_weak_undefined): New function.
4530         (Symbol::is_strong_undefined): New function.
4531         (Symbol::is_absolute): New function.
4532         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4533         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4534         absolute symbols.
4535         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4536         (weak_undef_test): New target.
4537         * testsuite/Makefile.in: Rebuild.
4538         * testsuite/weak_undef_file1.cc: New file.
4539         * testsuite/weak_undef_file2.cc: New file.
4540         * testsuite/weak_undef_test.cc: New file.
4541
4542 2008-04-03  Craig Silverstein  <csilvers@google.com>
4543
4544         * compressed_output.h (class Output_compressed_section): Use
4545         unsigned buffer.
4546         * compressed_output.cc (zlib_compress): Use unsigned buffers,
4547         add zlib header.
4548         (zlib_compressed_suffix): Removed.
4549         (Output_compressed_section::set_final_data_size): Use unsigned
4550         buffers.
4551         * testsuite/Makefile.am (flagstest_compress_debug_sections):
4552         Fix linker invocation.
4553         (flagstest_o_specialfile_and_compress_debug_sections):
4554         Likewise.
4555         * testsuite/Makefile.in: Regenerated.
4556
4557 2008-04-02  David S. Miller  <davem@davemloft.net>
4558
4559         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4560         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4561
4562 2008-04-02  Craig Silverstein  <csilvers@google.com>
4563
4564         * TODO: New file.
4565
4566 2008-04-02  Ian Lance Taylor  <iant@google.com>
4567
4568         * fileread.cc (File_read::find_view): Add byteshift and vshifted
4569         parameters.  Update for new key type to views_.  Change all
4570         callers.
4571         (File_read::read): Adjust for byteshift in returned view.
4572         (File_read::add_view): New function, broken out of
4573         find_and_make_view.
4574         (File_read::make_view): New function, broken out of
4575         find_and_make_view.
4576         (File_read::find_or_make_view): Add offset and aligned
4577         parameters.  Rewrite accordingly.  Change all callers.
4578         (File_read::get_view): Add offset and aligned parameters.  Adjust
4579         for byteshift in return value.
4580         (File_read::get_lasting_view): Likewise.
4581         * fileread.h (class File_read): Update declarations.
4582         (class File_read::View): Add byteshift_ field.  Add byteshift to
4583         constructor.  Add byteshift method.
4584         * archive.h (Archive::clear_uncached_views): New function.
4585         (Archive::get_view): Add aligned parameter.  Change all callers.
4586         * object.h (Object::get_view): Add aligned parameter.  Change all
4587         callers.
4588         (Object::get_lasting_view): Likewise.
4589
4590         * fileread.cc (File_read::release): Don't call clear_views if
4591         there are multiple objects.
4592         * fileread.h (File_read::clear_uncached_views): New function.
4593         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4594         on the archive.
4595
4596 2008-03-31  Cary Coutant  <ccoutant@google.com>
4597
4598         Add thin archive support.
4599         * archive.cc (Archive::armagt): New const.
4600         (Archive::setup): Remove task parameter and calls to unlock.
4601         (Archive::unlock_nested_archives): New function.
4602         (Archive::read_header): Add nested_off parameter. Change
4603         all callers.
4604         (Archive::interpret_header): Likewise.
4605         (Archive::include_all_members): Change to handle thin
4606         archives.
4607         (Archive::include_member): Likewise.
4608         * archive.h (Archive::Archive): Add new parameters and
4609         initializers.
4610         (Archive::armagt): New const.
4611         (Archive::setup): Remove task parameter.
4612         (Archive::unlock_nested_archives): New function.
4613         (Archive::read_header): Add nested_off parameter.
4614         (Archive::interpret_header): Likewise.
4615         (Archive::Nested_archive_table): New typedef.
4616         (Archive::is_thin_archive_): New field.
4617         (Archive::nested_archives_): New field.
4618         (Archive::options_): New field.
4619         (Archive::dirpath_): New field.
4620         (Archive::task_): New field.
4621         * readsyms.cc (Read_symbols::do_read_symbols): Add check
4622         for thin archives.  Pass additional parameters to
4623         Archive::Archive.  Unlock the archive file after calling
4624         Archive::setup.
4625
4626 2008-03-29  Ian Lance Taylor  <iant@google.com>
4627
4628         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4629         version symbol to be local.
4630         * testsuite/ver_test_4.sh: New file.
4631         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4632         (check_DATA): Add ver_test_4.syms.
4633         (ver_test_4.syms): New target.
4634         * testsuite/Makefile.in: Rebuild.
4635
4636         * output.cc
4637         (Output_section::Input_section_sort_entry::has_priority): New
4638         function.
4639         (Output_section::Input_section_sort_entry::match_file_name): New
4640         function.
4641         (Output_section::Input_section_sort_entry::match_section_name):
4642         Remove.
4643         (Output_section::Input_section_sort_entry::match_section_name_prefix):
4644         Remove.
4645         (Output_section::Input_section_sort_entry::match_section_file):
4646         Remove.
4647         (Output_section::Input_section_sort_compare::operator()): Rewrite
4648         using new Input_section_sort_entry functions.  Sort crtbegin and
4649         crtend first.  Sort sections with no priority before sections with
4650         a priority.
4651         * testsuite/initpri1.c (d3): Check j != 4.
4652         (cd5): New constructor/destructor function.
4653         (main): Check j != 2.
4654
4655         * symtab.cc (Symbol_table::add_from_object): If we don't use the
4656         new symbol when resolving, don't call set_is_default.
4657         * testsuite/ver_test_7.cc: New file.
4658         * testsuite/ver_test_7.sh: New file.
4659         * testsuite/Makefile.am (ver_test_7.so): New target.
4660         (ver_test_7.o): New target.
4661         (check_SCRIPTS): Add ver_test_7.sh.
4662         (check_DATA): Add ver_test_7.syms.
4663         (ver_test_7.syms): New target.
4664
4665 2008-03-28  Ian Lance Taylor  <iant@google.com>
4666
4667         * layout.cc (Layout::layout): If we see an input section with a
4668         name that needs sorting, set the must_sort flag for the output
4669         section.
4670         (Layout::make_output_section): If the name of the output section
4671         indicates that it might require sorting, set the may_sort flag.
4672         * output.h (Output_section::may_sort_attached_input_sections): New
4673         function.
4674         (Output_section::set_may_sort_attached_input_sections): New
4675         function.
4676         (Output_section::must_sort_attached_input_sections): New
4677         function.
4678         (Output_section::set_must_sort_attached_input_sections): New
4679         function.
4680         (class Output_section): Declare Input_section_sort_entry.  Define
4681         Input_section_sort_compare.  Declare
4682         sort_attached_input_sections.  Add new fields:
4683         may_sort_attached_input_sections_,
4684         must_sort_attached_input_sections_,
4685         attached_input_sections_are_sorted_.
4686         * output.cc (Output_section::Output_section): Initialize new
4687         fields.
4688         (Output_section::add_input_section): Add an entry to
4689         input_sections_ if may_sort or must_sort are true.
4690         (Output_section::set_final_data_size): Call
4691         sort_attached_input_sections if necessary.
4692         (Output_section::Input_section_sort_entry): Define new class.
4693         (Output_section::Input_section_sort_compare::operator()): New
4694         function.
4695         (Output_section::sort_attached_input_sections): New function.
4696         * configure.ac: Check whether the compiler supports constructor
4697         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
4698         * testsuite/initpri1.c: New file.
4699         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4700         CONSTRUCTOR_PRIORITY.
4701         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4702         (initpri1_LDFLAGS): New variable.
4703         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4704
4705 2008-03-27  Ian Lance Taylor  <iant@google.com>
4706
4707         * common.cc (Sort_commons::operator): Correct sorting algorithm.
4708         * testsuite/common_test_1.c: New file.
4709         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4710         (common_test_1_SOURCES): New variable.
4711         (common_test_1_DEPENDENCIES): New variable.
4712         (common_test_1_LDFLAGS): New variable.
4713
4714         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4715         and commons_ correctly when NAME/VERSION does not override
4716         NAME/NULL.
4717         * testsuite/ver_test_6.c: New file.
4718         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
4719         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
4720         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
4721
4722 2008-03-26  Ian Lance Taylor  <iant@google.com>
4723
4724         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
4725         of an undefined symbol from a version script.
4726         * testsuite/Makefile.am (ver_test_5.so): New target.
4727         (ver_test_5.o): New target.
4728         (check_SCRIPTS): Add ver_test_5.sh.
4729         (check_DATA): Add ver_test_5.syms.
4730         (ver_test_5.syms): New target.
4731         * testsuite/ver_test_5.cc: New file.
4732         * testsuite/ver_test_5.script: New file.
4733         * testsuite/ver_test_5.sh: New file.
4734         * Makefile.in, testsuite/Makefile.in: Rebuild.
4735
4736         PR gold/5986
4737         Fix problems building gold with gcc 4.3.0.
4738         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
4739         (gold_error_at_location, gold_warning_at_location): Use it.
4740         * configure.ac: Check whether we can compile and use a template
4741         function with a printf attribute.
4742         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
4743         when jumping over bytes.
4744         * object.cc: Instantiate Object::read_section_data.
4745         * debug.h: Include <cstring>
4746         * dwarf_reader.cc: Include <algorithm>
4747         * main.cc: Include <cstring>.
4748         * options.cc: Include <cstring>.
4749         * output.cc: Include <cstring>.
4750         * script.cc: Include <cstring>.
4751         * script.h: Include <string>.
4752         * symtab.cc: Include <cstring> and <algorithm>.
4753         * target-select.cc: Include <cstring>.
4754         * version.cc: Include <string>.
4755         * testsuite/testmain.cc: Include <cstdlib>.
4756         * configure, config.in: Rebuild.
4757
4758 2008-03-25  Ian Lance Taylor  <iant@google.com>
4759
4760         * options.cc: Include "../bfd/bfdver.h".
4761         (options::help): Print bug reporting address.
4762
4763         * version.cc (print_version): Adjust output for current value of
4764         BFD_VERSION_STRING.
4765
4766         * NEWS: New file.
4767
4768         * options.cc (options::help): Print list of supported targets.
4769         * target-select.h: Include <vector>.
4770         (class Target_selector): Make machine_, size_, and is_big_endian_
4771         fields const.  Add bfd_name_ and instantiated_target_ fields.
4772         (Target_selector::Target_selector): Add bfd_name parameter.
4773         (Target_selector::recognize): Make non-virtual, call
4774         do_recognize.
4775         (Target_selector::recognize_by_name): Make non-virtual, call
4776         do_recognize_by_name.
4777         (Target_selector::supported_names): New function.
4778         (Target_selector::bfd_name): New function.
4779         (Target_selector::do_instantiate_target): New pure virtual
4780         function.
4781         (Target_selector::do_recognize): New virtual function.
4782         (Target_selector::do_recognize_by_name): New virtual function.
4783         (Target_selector::instantiate_target): New private function.
4784         (supported_target_names): Declare.
4785         * target-select.cc (Target_selector::Target_selector): Update for
4786         new parameter and fields.
4787         (select_target_by_name): Check that the name matches before
4788         calling recognize_by_name.
4789         (supported_target_names): New function.
4790         * i386.cc (class Target_selector_i386): Update Target_selector
4791         constructor call.  Remove recognize and recognize_by_name.  Add
4792         do_instantiate_target.
4793         * x86_64.cc (class Target_selector_x86_64): Likewise.
4794         * testsuite/testfile.cc (class Target_selector_test): Update for
4795         changes to Target_selector.
4796
4797         * README: Rewrite, with some notes on unsupported features.
4798
4799 2008-03-24  Cary Coutant  <ccoutant@google.com>
4800
4801         * i386.cc (Target_i386::Got_type): New enum declaration.
4802         (Target_i386::Scan::local): Updated callers of Output_data_got
4803         member functions.
4804         (Target_i386::Scan::global): Likewise.
4805         (Target_i386::Relocate::relocate): Likewise.
4806         (Target_i386::Relocate::relocate_tls): Likewise.
4807         * object.h (Got_offset_list): New class.
4808         (Sized_relobj::local_has_got_offset): Added got_type parameter.
4809         (Sized_relobj::local_got_offset): Likewise.
4810         (Sized_relobj::set_local_got_offset): Likewise.
4811         (Sized_relobj::local_has_tls_got_offset): Removed.
4812         (Sized_relobj::local_tls_got_offset): Removed.
4813         (Sized_relobj::set_local_tls_got_offset): Removed.
4814         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
4815         * output.cc (Output_data_got::add_global): Added got_type parameter.
4816         (Output_data_got::add_global_with_rel): Likewise.
4817         (Output_data_got::add_global_with_rela): Likewise.
4818         (Output_data_got::add_global_pair_with_rel): New function.
4819         (Output_data_got::add_global_pair_with_rela): New function.
4820         (Output_data_got::add_local): Added got_type parameter.
4821         (Output_data_got::add_local_with_rel): Likewise.
4822         (Output_data_got::add_local_with_rela): Likewise.
4823         (Output_data_got::add_local_pair_with_rel): New function.
4824         (Output_data_got::add_local_pair_with_rela): New function.
4825         (Output_data_got::add_global_tls): Removed.
4826         (Output_data_got::add_global_tls_with_rel): Removed.
4827         (Output_data_got::add_global_tls_with_rela): Removed.
4828         (Output_data_got::add_local_tls): Removed.
4829         (Output_data_got::add_local_tls_with_rel): Removed.
4830         (Output_data_got::add_local_tls_with_rela): Removed.
4831         * output.h (Output_data_got::add_global): Added got_type parameter.
4832         (Output_data_got::add_global_with_rel): Likewise.
4833         (Output_data_got::add_global_with_rela): Likewise.
4834         (Output_data_got::add_global_pair_with_rel): New function.
4835         (Output_data_got::add_global_pair_with_rela): New function.
4836         (Output_data_got::add_local): Added got_type parameter.
4837         (Output_data_got::add_local_with_rel): Likewise.
4838         (Output_data_got::add_local_with_rela): Likewise.
4839         (Output_data_got::add_local_pair_with_rel): New function.
4840         (Output_data_got::add_local_pair_with_rela): New function.
4841         (Output_data_got::add_global_tls): Removed.
4842         (Output_data_got::add_global_tls_with_rel): Removed.
4843         (Output_data_got::add_global_tls_with_rela): Removed.
4844         (Output_data_got::add_local_tls): Removed.
4845         (Output_data_got::add_local_tls_with_rel): Removed.
4846         (Output_data_got::add_local_tls_with_rela): Removed.
4847         * resolve.cc (Symbol::override_base_with_special): Removed
4848         reference to has_got_offset_ field.
4849         * symtab.cc (Symbol::init_fields): Replaced initialization
4850         of got_offset_ with got_offsets_.  Removed initialization
4851         of has_got_offset_
4852         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
4853         (Symbol::got_offset): Likewise.
4854         (Symbol::set_got_offset): Likewise.
4855         (Symbol::has_tls_got_offset): Removed.
4856         (Symbol::tls_got_offset): Removed.
4857         (Symbol::set_tls_got_offset): Removed.
4858         (Symbol::got_offset_): Removed.
4859         (Symbol::tls_mod_got_offset_): Removed.
4860         (Symbol::tls_pair_got_offset_): Removed.
4861         (Symbol::got_offsets_): New field.
4862         (Symbol::has_got_offset): Removed.
4863         (Symbol::has_tls_mod_got_offset): Removed.
4864         (Symbol::has_tls_pair_got_offset): Removed.
4865         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
4866         (Target_x86_64::Scan::local): Updated callers of Output_data_got
4867         member functions.
4868         (Target_x86_64::Scan::global): Likewise.
4869         (Target_x86_64::Relocate::relocate): Likewise.
4870         (Target_x86_64::Relocate::relocate_tls): Likewise.
4871
4872 2008-03-25  Ben Elliston  <bje@au.ibm.com>
4873
4874         * yyscript.y: Fix spelling error in comment.
4875
4876 2008-03-24  Ian Lance Taylor  <iant@google.com>
4877
4878         * options.h (class General_options): Define build_id option.
4879         * layout.h (class Layout): Declare write_build_id, create_note,
4880         create_build_id.  Add build_id_note_ member.
4881         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
4882         "libiberty.h", "md5.h", "sha1.h".
4883         (Layout::Layout): Initialize eh_frame_data_,
4884         eh_frame_hdr_section_, and build_id_note_.
4885         (Layout::finalize): Call create_build_id.
4886         (Layout::create_note): New function, broken out of
4887         Layout::create_gold_note.
4888         (Layout::create_gold_note): Call create_note.
4889         (Layout::create_build_id): New function.
4890         (Layout::write_build_id): New function.
4891         (Close_task_runner::run): Call write_build_id.
4892
4893         * x86_64.cc: Correct license to GPLv3.
4894
4895 2008-03-23  Ian Lance Taylor  <iant@google.com>
4896
4897         * options.cc: Include "demangle.h".
4898         (parse_optional_string): New function.
4899         (parse_long_option): Handle takes_optional_argument.
4900         (parse_short_option): Update dash_z initializer.  Handle
4901         takes_optional_argument.
4902         (General_options::General_options): Initialize do_demangle_.
4903         (General_options::finalize): Set do_demangle_.  Handle demangling
4904         style.
4905         * options.h (parse_optional_string): Declare.
4906         (struct One_option): Add optional_arg field.  Update constructor.
4907         Update call constructor calls.  Add takes_optional_argument
4908         function.
4909         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
4910         (DEFINE_optional_string): Define.
4911         (General_options::demangle): Change from DEFINE_bool to
4912         DEFINE_optional_string.
4913         (General_options::no_demangle): New function.
4914         (General_options::do_demangle): New function.
4915         (General_options::set_do_demangle): New function.
4916         (General_options::execstack_status_): Move definition to end of
4917         class definition.
4918         (General_options::static_): Likewise.
4919         (General_options::do_demangle_): New field.
4920         * object.cc (big_endian>::get_symbol_location_info): Call
4921         Options::do_demangle, not Options::demangle.
4922         * symtab.cc (demangle): Likewise.
4923
4924 2008-03-22  Ian Lance Taylor  <iant@google.com>
4925
4926         * gold.h: Include <cstddef> and <sys/types.h>
4927         * options.h: Include <cstring>.
4928
4929 2008-03-21  Ian Lance Taylor  <iant@google.com>
4930
4931         * Added source code to GNU binutils.