gold/ChangeLog

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