gold/ChangeLog

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