gold/ChangeLog

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