gold/ChangeLog

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