gold/ChangeLog

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