gold/ChangeLog

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