gold/ChangeLog

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