gold/ChangeLog

   1 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
   2
   3         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
   4         $(THREADSLIB) and $(LIBDL).
   5         * Makefile.in: Rebuild.
   6
   7 2010-01-06  Ian Lance Taylor  <iant@google.com>
   8
   9         PR 10980
  10         * options.cc (General_options::parse_section_start): New function.
  11         (General_options::section_start): New function.
  12         (General_options::General_options): Initialize all members.
  13         * options.h: Include <map>
  14         (class General_options): Add --section-start.  Add section_starts_
  15         member.
  16         * layout.cc (Layout::attach_allocated_section_to_segment): If
  17         --section-start was used, set the address of the segment.  Remove
  18         local sort_sections.
  19         (Layout::relaxation_loop_body): If the address of the load segment
  20         has been set by --section-start, don't use it.
  21         * output.h (Output_segment::update_flags_for_output_section): New
  22         function.
  23         * output.cc (Output_segment::add_output_section): Call
  24         update_flags_for_output_section.
  25
  26 2010-01-05  Ian Lance Taylor  <iant@google.com>
  27
  28         PR 10980
  29         * options.h (class General_options): Add --undefined-version.
  30         * script.cc (struct Version_expression): Add was_matched_by_symbol
  31         field.
  32         (Version_script_info::matched_symbol): New function.
  33         (Version_script_info::get_symbol_version_helper): Call
  34         matched_symbol.
  35         (Version_script_info::check_unmatched_names): New function.
  36         * script.h (class Version_script_info): Update declarations.
  37         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
  38
  39         * options.h (class General_options): Use DEFINE_bool_alias for
  40         allow_multiple_definition.
  41         * resolve.cc (Symbol_table::should_override): Don't test
  42         allow_multiple_definition.
  43
  44         PR 10980
  45         * options.h (class General_options): Add --cref.
  46         * main.cc (main): Print cref table if --cref.  Don't close mapfile
  47         until after printing cref table.
  48         * cref.cc: Include "symtab.h".
  49         (class Cref_inputs): Define Cref_table_compare and Cref_table.
  50         (Cref_table_compare::operator()): New function.
  51         (Cref_inputs::gather_cref): New function.
  52         (filecol): New static const.
  53         (Cref_inputs::print_cref): New function.
  54         (Cref::print_cref): New function.
  55         * cref.h: Include <cstdio>.
  56         (class Cref): Update declarations.
  57         * mapfile.h (Mapfile::file): New function.
  58         * object.h (class Object): Define Symbols.  Declare virtual
  59         do_get_global_symbols.
  60         (Object::get_global_symbols): New function.
  61         * object.cc (Input_objects::add_object): Pass object to cref_ if
  62         --cref.
  63         (Input_objects::archive_start): Likewise.
  64         (Input_objects::archive_stop): Likewise.
  65         (Input_objects::print_cref): New function.
  66         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
  67         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
  68         --cref.
  69         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
  70         function.
  71         * plugin.h (class Sized_pluginobj): Update declarations.
  72
  73 2010-01-05  Ian Lance Taylor  <iant@google.com>
  74
  75         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
  76         to is_default_version.  Rename insdef to insdefault.
  77         (Symbol_table::add_from_relobj): Rename def to is_default_version
  78         and local to is_forced_local.
  79         (Symbol_table::add_from_pluginobj): Likewise.
  80         (Symbol_table::add_from_dynobj): Likewise.
  81         (Symbol_table::define_special_symbol): Rename insdef to
  82         insdefault.
  83
  84 2010-01-04  Ian Lance Taylor  <iant@google.com>
  85
  86         PR 10980
  87         * options.h (class General_options): Add
  88         --allow-multiple-definition and -z muldefs.
  89         * resolve.cc (Symbol_table::should_override): Don't warn about a
  90         multiple symbol definition if --allow-multiple-definition or -z
  91         muldefs.
  92
  93         PR 10980
  94         * options.h (class General_options): Add --add-needed and
  95         --copy-dt-needed-entries.  Tweak --as-needed help entry.
  96         * object.cc (Input_objects::check_dynamic_dependencies): Give an
  97         error if --copy-dt-needed-entries aka --add-needed is used and
  98         would cause a change in behaviour.
  99
 100         PR 10980
 101         * options.h (class General_options): Add -G as a short version of
 102         --shared.  Add no-op options -assert, -g, and -i.
 103
 104 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
 105
 106         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
 107         check for .text or .gnu.linkonce.t sections.
 108         * icf.cc (Icf::find_identical_sections): Ditto.
 109         Change the detection for mangled function name within the section
 110         name.
 111         * icf.h (is_section_foldable_candidate): New function.
 112
 113 2009-12-30  Ian Lance Taylor  <iant@google.com>
 114
 115         PR 10980
 116         * options.h (class General_options): Permit two dashes with
 117         --retain-symbols-file.
 118
 119 2009-12-30  Ian Lance Taylor  <iant@google.com>
 120
 121         PR 10979
 122         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
 123         don't put the file header and segment headers in the text
 124         segment.
 125
 126         PR 10979
 127         * common.cc (Sort_commons::operator()): Stabilize sort when both
 128         entries are NULL.
 129         (Symbol_table::do_allocate_commons_list): When allocating common
 130         symbols, skip a symbol which is no longer common.
 131         * symtab.h (Symbol::is_common): Test whether the symbol comes from
 132         an object before checking its type.
 133         * testsuite/common_test_2.c: New file.
 134         * testsuite/common_test_3.c: New file.
 135         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
 136         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
 137         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
 138         (common_test_2_pic.o, common_test_2.so): New targets.
 139         (common_test_3_pic.o, common_test_3.so): New targets.
 140         * testsuite/Makefile.in: Rebuild.
 141
 142         PR 10979
 143         * script.cc (read_input_script): If we see a new SECTIONS clause,
 144         and we have added an input section, give an error.
 145         * layout.h (class Layout): Add have_added_input_section function.
 146         Add have_added_input_section_ field.
 147         * layout.cc (Layout::Layout): Initialize
 148         have_added_input_section_.
 149         (Layout::layout): Set have_added_input_section_.
 150         (Layout::layout_eh_frame): Likewise.
 151
 152 2009-12-30  Ian Lance Taylor  <iant@google.com>
 153
 154         PR 10931
 155         * options.h (class General_options): Add --sort-common option.
 156         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
 157         * common.cc (Sort_common): Add sort_order parameter to
 158         constructor.  Add sort_order_ field.
 159         (Sort_commons::operator): Check sort_order_.
 160         (Symbol_table::allocate_commons): Determine the sort order.
 161         (Symbol_table::do_allocate_commons): Add sort_order parameter.
 162         Change all callers.
 163         (Symbol_table::do_allocate_commons_list): Likewise.
 164
 165 2009-12-30  Ian Lance Taylor  <iant@google.com>
 166
 167         PR 10916
 168         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
 169         symbols from this object, don't change the visibility of an
 170         undefined symbol.
 171         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
 172
 173 2009-12-30  Ian Lance Taylor  <iant@google.com>
 174
 175         PR 10861
 176         * script.h (class Version_script_info): Define Language enum.
 177         Update declarations.  Define Glob, Exact, and Lookup types.  Add
 178         new fields globals_, locals_, and is_finalized_.
 179         * script.cc: Various formatting fixes.
 180         (class Parser_closure): Change language_stack_ from a vector of
 181         std::string to one of Version_script_info::Language.  Adjust all
 182         uses accordingly.
 183         (class Lazy_demangler): Remove.
 184         (struct Version_expression): Change language from std::string to
 185         Version_script_info::Language.
 186         (Version_script_info::Version_script_info): New function.
 187         (Version_script_info::~Version_script_info): Don't call clear.
 188         (Version_script_info::finalize): New function.
 189         (Version_script_info::build_lookup_tables): New function.
 190         (Version_script_info::build_expression_list_lookup): New
 191         function.
 192         (Version_script_info::get_symbol_version_helper): Rewrite to use
 193         lookup tables.
 194         (Version_script_info::print_expression_list): Adjust to use
 195         Version_script_info::Language.
 196         (script_push_lex_into_version_mode): Check that the version script
 197         has not been finalized.
 198         (version_script_push_lang): Change language string to
 199         Version_script_info::Language.
 200         * options.cc (Command_line::version_script): New function.
 201         * options.h (class General_options): Add finalize_dynamic_list
 202         function.  Change version_script from declaration to definition.
 203         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
 204         * testsuite/version_script.map: Remove duplicate def of foo.
 205         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
 206         version_script.map.
 207         * testsuite/Makefile.in: Rebuild.
 208
 209 2009-12-30  Ian Lance Taylor  <iant@google.com>
 210
 211         PR 10843
 212         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
 213         if the input symbol index is 0, make the output symbol index 0.
 214
 215 2009-12-30  Ian Lance Taylor  <iant@google.com>
 216
 217         PR 10670
 218         * options.h (class General_options): Add -x/--discard-all.
 219         * object.cc (Sized_relobj::do_count_local_symbols): Handle
 220         --discard-all.  If the local symbol needs a dynamic entry, check
 221         that before handling --discard-locals.
 222
 223 2009-12-30  Ian Lance Taylor  <iant@google.com>
 224
 225         PR 10450
 226         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
 227         flags to PF_R.
 228         (Output_segment::add_output_section): Don't change the flags if
 229         the type is PT_TLS.
 230
 231         PR 10450
 232         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
 233         GNU hash table if they need a dynamic value.  Otherwise, don't add
 234         them if they are defined in a dynamic object or are forced local.
 235
 236 2009-12-29  Ian Lance Taylor  <iant@google.com>
 237
 238         PR 10450
 239         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
 240         .gnu.hash table for a 32-bit target.
 241
 242         PR 10450
 243         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
 244         regular and a dynamic object only needs a dynamic symbol table
 245         entry if it is externally visible.
 246
 247         PR 10450
 248         * i386.cc (class Target_i386): Initialize global_offset_table_ in
 249         constructor.  Add global_offset_table_ field.
 250         (Target_i386::got_section): Set global_offset_table_.
 251         (Target_i386::do_finalize_sections): Set global_offset_table_
 252         size.
 253         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
 254         in constructor.  Add global_offset_table_ field.
 255         (Target_x86_64::got_section): Set global_offset_table_.
 256         (Target_x86_64::do_finalize_sections): Set global_offset_table_
 257         size.
 258
 259         * layout.cc (Layout::Layout): Initialize increase_relro_.
 260         (Layout::get_output_section): Add is_relro, is_last_relro, and
 261         is_first_non_relro parameters.  Change all callers.
 262         (Layout::choose_output_section): Likewise.
 263         (Layout::add_output_section_data): Likewise.
 264         (Layout::make_output_section): Likewise.
 265         (Layout::set_segment_offsets): Clear increase_relro when using a
 266         linker script.
 267         * layout.h (class Layout): Add increase_relro method.  Add
 268         increase_relro_ field.  Update declarations.
 269         * output.cc (Output_section::Output_section): Initialize
 270         is_last_relro_ and is_first_non_relro_.
 271         (Output_segment::add_output_section): Group relro sections is
 272         do_sort is true.  Handle is_last_relro and is_first_non_relro.
 273         (Output_segment::maximum_alignment): Remove relro handling.
 274         (Output_segment::set_section_addresses): Add increase_relro
 275         parameter.  Change all callers.  Add initial alignment to align
 276         relro sections on separate page.  Remove old relro handling.
 277         (Output_segment::set_section_list_addresses): Remove in_relro
 278         parameter.  Change all callers.
 279         (Output_segment::set_offset): Add increase parameter.  Change all
 280         callers.  Remove old relro handling.
 281         * output.h (class Output_section): Add new methods: is_last_relro,
 282         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
 283         Add is_last_relro_ and is_first_non_relro_ fields.
 284         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
 285         Create separate .got.plt section.  Call increase_relro.
 286         * x86_64.cc (Target_x86_64::got_section): Likewise.
 287         * testsuite/relro_script_test.t: Add .got.plt.
 288
 289         PR 10450
 290         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
 291         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
 292         (Layout::finalize): Call set_dynamic_symbol_size.
 293         (Layout::set_dynamic_symbol_size): New function.
 294         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
 295         set_dynamic_symbol_size.
 296
 297         PR 10450
 298         * output.h (class Output_section): Add is_entsize_zero_ field.
 299         * output.cc (Output_section::Output_section): Initialize
 300         is_entsize_zero_.
 301         (Output_section::set_entsize): If two different entsizes are
 302         requested, force it to zero.
 303         (Output_section::add_input_section): Set flags for .debug_str
 304         before updating section flags.  Set entsize.
 305         (Output_section::update_flags_for_input_section): Set SHF_MERGE
 306         and SHF_STRING if all input sections have those flags.
 307
 308 2009-12-29   Rafael Espindola  <espindola@google.com>
 309
 310         * main.cc (main): Fix the sys time reporting.
 311         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
 312         reporting.
 313
 314 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
 315
 316         * options.cc (General_options::parse_version): Allow -v to exit
 317         without an error if there is nothing to link.
 318
 319 2009-12-29  Ian Lance Taylor  <iant@google.com>
 320
 321         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
 322         using a version of gcc before 4.1.
 323         * configure: Rebuild.
 324
 325 2009-12-28  Chris Demetriou  <cgd@google.com>
 326
 327         * attributes.cc (Output_attributes_section_data::do_write): Use
 328         std::vector::front rather than std::vector::data.
 329
 330 2009-12-28  Ian Lance Taylor  <iant@google.com>
 331
 332         * symtab.h (class Symbol_table): Add enum Defined.
 333         * resolve.cc (Symbol_table::should_override): Add defined
 334         parameter.  Change all callers.  Test whether object is NULL
 335         before calling a method on it.
 336         (Symbol_table::report_resolve_problem): Add defined parameter.
 337         Change all callers.
 338         (Symbol_table::should_override_with_special): Likewise.
 339         * symtab.cc (Symbol_table::define_in_output_data): Add defined
 340         parameter.  Change all callers.
 341         (Symbol_table::do_define_in_output_data): Likewise.
 342         (Symbol_table::define_in_output_segment): Likewise.
 343         (Symbol_table::do_define_in_output_segment): Likewise.
 344         (Symbol_table::define_as_constant): Likewise.
 345         (Symbol_table::do_define_as_constant): Likewise.
 346         * script.h (class Symbol_assignment): Add is_defsym parameter to
 347         constructor; change all callers.
 348         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
 349         parameter.  Change all callers.  Add is_defsym_ field.
 350         (class Parser_closure): Add parsing_defsym parameter to
 351         constructor; change all callers.  Add parsing_defsym accessor
 352         function.  Add parsing_defsym_ field.
 353
 354 2009-12-28  Ian Lance Taylor  <iant@google.com>
 355
 356         * gold.cc (queue_middle_tasks): Fix formatting.
 357         * object.cc (Relobj::is_section_name_included): Likewise.
 358
 359 2009-12-23  Ian Lance Taylor  <iant@google.com>
 360
 361         * i386.cc (Target_i386::do_calls_non_split): Recognize
 362         -fsplit-stack prologue for a function with a static chain.
 363         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
 364         -fsplit-stack prologue when using %r11.
 365
 366 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
 367
 368         * options.cc (General_options::parse_version): Make -v continue and do
 369         the link like GNU ld does.
 370
 371 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
 372
 373         * Makefile.am (CCFILES): Add timer.cc.
 374         (HFILES): Add timer.h.
 375         * configure.ac: Check for sysconf and times.
 376         * main.cc: include timer.h.
 377         (main): Use Timer instead of get_run_time.
 378         * timer.cc: New.
 379         * timer.h: New.
 380         * workqueue.cc: include timer.h.
 381         (Workqueue::find_and_run_task):
 382         Report user, sys and wall time.
 383         * Makefile.in: Regenerate.
 384         * config.in: Regenerate.
 385         * configure: Regenerate.
 386
 387 2009-12-16  Doug Kwan  <dougkwan@google.com>
 388
 389         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
 390         sections.
 391         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
 392         relaxed input sections.
 393         * output.cc (Output_section::find_relaxed_input_section): Change
 394         return type to Output_relaxed_input_section pointer.  Adjust code
 395         for new type of relaxed_input_section_map_.
 396         * output.h (Output_section::find_relaxed_input_section): Change
 397         return type to Output_relaxed_input_section pointer.
 398         (Output_section::Output_relaxed_input_section_by_input_section_map):
 399         New type.
 400         (Output_section::relaxed_input_section_map_): Change type to
 401         Output_section::Output_relaxed_input_section_by_input_section_map.
 402         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
 403         input section.
 404
 405 2009-12-15  Ian Lance Taylor  <iant@google.com>
 406
 407         * layout.cc (Layout::create_shstrtab): Only write out after input
 408         sections if we are compressing debug sections.
 409
 410 2009-12-15  Ian Lance Taylor  <iant@google.com>
 411
 412         * archive.cc (Archive::add_symbols): Only look up a symbol without
 413         a version if there is, in fact, a version.
 414
 415 2009-12-14  Ian Lance Taylor  <iant@google.com>
 416
 417         Revert -Wshadow changes, all changes from:
 418         2009-12-11  Doug Kwan  <dougkwan@google.com>
 419         2009-12-11  Nick Clifton  <nickc@redhat.com>
 420         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
 421
 422 2009-12-11  Doug Kwan  <dougkwan@google.com>
 423
 424         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
 425         due to -Wshadow.
 426         * attributes.cc (Object_attribute::size): Ditto.
 427         (Attributes_section_data::size): Ditto.
 428         (Attributes_section_data::Attributes_section_data): Ditto.
 429         (Output_attributes_section_data::do_write): Ditto.
 430         * attributes.h (Object_attribute::set_type): Ditto.
 431         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
 432
 433 2009-12-11  Nick Clifton  <nickc@redhat.com>
 434
 435         * archive.cc: Fix shadowed variable warnings.
 436         * arm.cc: Likewise.
 437         * compressed_output.cc: Likewise.
 438         * compressed_output.h: Likewise.
 439         * configure: Likewise.
 440         * dwarf_reader.cc: Likewise.
 441         * dynobj.cc: Likewise.
 442         * dynobj.h: Likewise.
 443         * ehframe.cc: Likewise.
 444         * ehframe.h: Likewise.
 445         * errors.cc: Likewise.
 446         * expression.cc: Likewise.
 447         * fileread.cc: Likewise.
 448         * fileread.h: Likewise.
 449         * freebsd.h: Likewise.
 450         * i386.cc: Likewise.
 451         * icf.cc: Likewise.
 452         * incremental.h: Likewise.
 453         * layout.cc: Likewise.
 454         * layout.h: Likewise.
 455         * mapfile.cc: Likewise.
 456         * merge.cc: Likewise.
 457         * merge.h: Likewise.
 458         * object.cc: Likewise.
 459         * object.h: Likewise.
 460         * options.h: Likewise.
 461         * output.cc: Likewise.
 462         * output.h: Likewise.
 463         * parameters.cc: Likewise.
 464         * plugin.cc: Likewise.
 465         * powerpc.cc: Likewise.
 466         * reduced_debug_output.cc: Likewise.
 467         * reduced_debug_output.h: Likewise.
 468         * reloc.cc: Likewise.
 469         * reloc.h: Likewise.
 470         * resolve.cc: Likewise.
 471         * script-sections.cc: Likewise.
 472         * script.cc: Likewise.
 473         * script.h: Likewise.
 474         * sparc.cc: Likewise.
 475         * symtab.cc: Likewise.
 476         * symtab.h: Likewise.
 477         * target-select.cc: Likewise.
 478         * target-select.h: Likewise.
 479         * token.h: Likewise.
 480         * workqueue.cc: Likewise.
 481         * workqueue.h: Likewise.
 482         * x86_64.cc: Likewise.
 483
 484 2009-12-10  Doug Kwan  <dougkwan@google.com>
 485
 486         * arm.cc (attributes.h): New include.
 487         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
 488         (Arm_relobj::~Arm_relobj): Delete object pointed by
 489         attributes_section_data_.
 490         (Arm_relobj::attributes_section_data): New method definition.
 491         (Arm_relobj::attributes_section_data_): New data member declaration.
 492         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
 493         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
 494         attributes_section_data_.
 495         (Arm_dynobj::attributes_section_data): New method definition.
 496         (Arm_dynobj::attributes_section_data_): New data member declaration.
 497         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
 498         initialization value of may_use_blx_ to false.
 499         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
 500         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
 501         object attributes to compute results instead of hard-coding.
 502         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
 503         Target_arm::get_secondary_compatible_arch,
 504         Target_arm::set_secondary_compatible_arch
 505         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
 506         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
 507         New method declarations.
 508         (Target_arm::get_aeabi_object_attribute): New method definition.
 509         (Target_arm::attributes_section_data_): New data member declaration.
 510         (read_arm_attributes_section): New template definition.
 511         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
 512         (Arm_dynobj::do_read_symbols): Ditto.
 513         (Target_arm::do_finalize_sections): Merge attributes sections from
 514         input.  Check for BLX use after attributes section merging.
 515         Fix __exidx_start and __exidx_end visibility.  Create an
 516         .ARM.attributes section if necessary.
 517         (Target_arm::get_secondary_compatible_arch,
 518         Target_arm::set_secondary_compatible_arch,
 519         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
 520         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
 521         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
 522         New method definitions.
 523
 524 2009-12-09  Ian Lance Taylor  <iant@google.com>
 525
 526         * plugin.cc (Plugin::load): Don't cast from void* to a function
 527         pointer.
 528
 529 2009-12-09  Ian Lance Taylor  <iant@google.com>
 530
 531         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
 532         information fields.
 533
 534 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
 535
 536         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
 537         Replace two_file_shared_1.so with two_file_shared_2.so.
 538         * testsuite/Makefile.in: Regenerated.
 539
 540 2009-12-08  Doug Kwan  <dougkwan@google.com>
 541
 542         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
 543         (HFILES): Add attributes.h and int_encoding.h.
 544         * Makefile.in: Regenerate.
 545         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
 546         function definitions to int_encoding.cc
 547         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
 548         prototypes to int_encoding.h
 549         * reduced_debug_output.cc (int_encoding.h): New include.
 550         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
 551         function definitions to int_encoding.cc
 552         (insert_into_vector, read_from_pointer): Move template definitions to
 553         int_encoding.h
 554         * attributes.cc: New file.
 555         * attributes.h: New file.
 556         * int_encoding.cc: New file.
 557         * int_encoding.h: New file.
 558
 559 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
 560
 561         PR gold/11055
 562         * incremental-dump.cc (dump_incremental_inputs): New.
 563         (main): Use dump_incremental_inputs.
 564
 565 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
 566
 567         PR gold/10893
 568         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
 569         checking elfcpp::STT_FUNC.
 570         (Target_i386::Relocate::relocate): Likewise.
 571         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 572
 573         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
 574         symbols from shared libraries into normal FUNC symbols.
 575
 576         * symtab.h (Symbol): Add is_func and use it.
 577
 578 2009-12-05  Doug Kwan  <dougkwan@google.com>
 579
 580         * arm.cc (Target_arm::arm_info): Initialize new fields
 581         attributes_section and attributes_vendor.
 582         * i386.cc (Target_i386::i386_info): Same.
 583         * object.cc (Sized_relobj::do_layout): Skip attribute section.
 584         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
 585         fields attributes_section and attributes_vendor.
 586         * sparc.cc (Target_sparc::sparc_info): Same.
 587         * target.h (Target::attributes_section, Target::attributes_vendor,
 588         Target::is_attributes_section, Target::attribute_arg_type,
 589         Target::attributes_order): New method definitions.
 590         (Target::Target_info::attributes_section,
 591         Target::Target_info::attributes_vendor): New fields.
 592         (Target::do_attribute_arg_type, Target::do_attributes_order): New
 593         virtual method definitions.
 594         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
 595         attributes_section and attributes_vendor.
 596         * testsuite/testfile.cc (Target_test::test_target_info): Same.
 597
 598 2009-12-05  Doug Kwan  <dougkwan@google.com>
 599
 600         * arm.cc: Update comments about interworking and stub generation.
 601         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
 602         considered as non-PIC.
 603         (Arm_relocate_functions::base_abs): Fix formatting.
 604         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
 605         of function to use GOT entry address instead of offset.
 606         (Target_arm::Scan::global): Issue an error if a symbol would need a
 607         PLT does not get one because it is untyped.  Remove code to create
 608         dynamic symbols for relative branches.
 609         (Target_arm::Relocate::relocate: Use 0 instead of false since function
 610         takes unsigned integer instead of boolean.
 611
 612 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
 613
 614         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
 615         (two_file_test_LDADD): Likewise.
 616         (common_test_1_LDADD): Likewise.
 617         (exception_test_LDADD) Likewise.
 618         (weak_test_LDADD): Likewise.
 619         (many_sections_test_LDADD): Likewise.
 620         (initpri1_LDADD): Likewise.
 621         (script_test_1_LDADD): Likewise.
 622         (script_test_2_LDADD): Likewise.
 623         (justsyms_LDADD): Likewise.
 624         (binary_test_LDADD): Likewise.
 625         (large_LDADD): Likewise.
 626         * testsuite/Makefile.in: Regenerated.
 627
 628 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
 629
 630         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
 631         (Symbol_table::override_with_special): Likewise.
 632         (Symbol_table::add_from_object): Likewise.
 633
 634 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
 635
 636         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
 637         Don't set the data_offset twice.
 638
 639 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
 640
 641         * testsuite/Makefile.in: Regenerate.
 642
 643 2009-12-03  Doug Kwan  <dougkwan@google.com>
 644
 645         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
 646         (Target_arm::do_finalize_sections): Add parameter for symbol table
 647         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
 648         * i386.cc (Target_i386::do_finalize_sections): Add an additional
 649         parameter for symbol table pointer.
 650         * layout.cc (Layout::finalize): Call Target::finalize_sections with
 651         an additional parameter for a pointer to symbol table.
 652         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
 653         parameter for a symbol table pointer.
 654         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
 655         * target.h (Target::finalize_sections, Target::do_finalize_sections):
 656         Ditto.
 657         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
 658         parameter for a symbol table pointer.
 659
 660 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
 661
 662         * incremental.cc (Incremental_inputs_header)
 663         (Incremental_inputs_header_write, Incremental_inputs_entry)
 664         (Incremental_inputs_entry_write): Move ...
 665         * incremental.h (Incremental_inputs_header)
 666         (Incremental_inputs_header_write, Incremental_inputs_entry)
 667         (Incremental_inputs_entry_write): here.
 668
 669 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 670
 671         * incremental.cc (make_sized_incremental_binary): Set the target.
 672         Error if it is incompatible.
 673         * output.h (Output_file): Add filename method.
 674
 675 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 676
 677         * incremental.cc (Incremental_inputs_entry): Remove unused argument
 678         from the get_* methods.
 679
 680 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 681
 682         * incremental-dump.cc (main): Check that the offeset of a script is 0.
 683         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
 684         Write 0 for the data_offset of scripts.
 685
 686 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 687
 688         * testsuite/Makefile.am: Add the incremental_test.sh test.
 689         * testsuite/incremental_test.sh: New.
 690         * testsuite/incremental_test_1.c: New.
 691         * testsuite/incremental_test_2.c: New.
 692
 693 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
 694
 695        * incremental-dump.cc (main): Fix typos.
 696
 697 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
 698
 699         PR gold/11025
 700         * incremental-dump.cc (main): Use llu to print 64 bit values.
 701
 702 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
 703             H.J. Lu  <hongjiu.lu@intel.com>
 704
 705         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
 706         $(LIBDL).
 707         (incremental_dump_LDADD): Likewise.
 708         * Makefile.in: Regenerated.
 709
 710 2009-11-25  Doug Kwan  <dougkwan@google.com>
 711
 712         Revert:
 713
 714         2009-11-25  Doug Kwan  <dougkwan@google.com>
 715
 716                 * arm.cc (Target_arm::Target_arm): Move method definition
 717                 outside of class definition.  Add code to handle
 718                 --target1-rel, --target1-abs and --target2= options.
 719                 (Target_arm::get_reloc_reloc_type): Change method to be
 720                 non-static and const.
 721                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
 722                 New data member declaration.
 723                 (Target_arm::Scan::local, Target_arm::Scan::global,
 724                 Target_arm::Relocate::relocate,
 725                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
 726                 Adjust call to Target_arm::get_real_reloc_type.
 727                 (Target_arm::get_real_reloc_type): Use command line options
 728                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
 729                 * options.h (--target1-rel, --target1-abs, --target2): New
 730                 ARM-only options.
 731
 732 2009-11-25  Doug Kwan  <dougkwan@google.com>
 733
 734         * arm.cc (Target_arm::Target_arm): Move method definition outside of
 735         class definition.  Add code to handle --target1-rel, --target1-abs
 736         and --target2= options.
 737         (Target_arm::get_reloc_reloc_type): Change method to be non-static
 738         and const.
 739         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
 740         member declaration.
 741         (Target_arm::Scan::local, Target_arm::Scan::global,
 742         Target_arm::Relocate::relocate,
 743         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
 744         call to Target_arm::get_real_reloc_type.
 745         (Target_arm::get_real_reloc_type): Use command line options to
 746         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
 747         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
 748         options.
 749
 750 2009-11-25  Doug Kwan  <dougkwan@google.com>
 751
 752         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
 753         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
 754         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
 755         formatting.
 756         (Arm_relocate_functions::thm_call): Replace body with a call to
 757         Arm_relocate_functions::thumb_branch_common.
 758         (Arm_relocate_functions::thm_jump24,
 759         Arm_relocate_functions::thm_xpc22): New method definitions.
 760         (Arm_relocate_functions::thumb_branch_common): New method definition.
 761         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
 762         operator.
 763         (Target_arm::Relocate::relocate): Adjust call to thm_call.
 764         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
 765
 766 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 767
 768         * Makefile.am: Build incremental-dump
 769         * Makefile.in: Regenerate.
 770         * incremental-dump.cc: New.
 771         * incremental.cc (Incremental_inputs_header_data,
 772         Incremental_inputs_entry_data): Move to incremental.h
 773         * incremental.h: (Incremental_inputs_header_data,
 774         Incremental_inputs_entry_data): Move from incremental.cc
 775
 776 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 777
 778         * incremental.cc (Incremental_inputs_header,
 779         Incremental_inputs_header_write, Incremental_inputs_entry,
 780         Incremental_inputs_entry_write): Add a typedef with the data type.
 781
 782 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 783
 784         * incremental.cc (Incremental_inputs_header,
 785         Incremental_inputs_header_write, Incremental_inputs_entry,
 786         Incremental_inputs_entry_write): Update comment about which
 787         type has the filed descriptions.
 788
 789 2009-11-15  Doug Kwan  <dougkwan@google.com>
 790
 791         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
 792         (Arm_relocate_functions::arm_branch_common): Change method defintion
 793         in class definition to a method declaration and update list of formal
 794         parameters.
 795         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
 796         Arm_relocation_functions::jump24): Adjust call to
 797         Arm_relocate_functions::arm_branch_common.  Update list of formal
 798         parameters.
 799         (Arm_relocate_functions::xpc25): New method definition.
 800         (Arm_relocate_functions::arm_branch_common): Move method defintion
 801         out from class definition.  Use stubs for mode-switching and extending
 802         branch ranges.
 803         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
 804         specially.  Change code to enable use of stubs in ARM branches.
 805
 806 2009-11-10  Doug Kwan  <dougkwan@google.com>
 807
 808         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
 809         in method declaration.
 810         (Target_arm::relocate_stub): New method declaration.
 811         (Target_arm::default_target): Change to return a pointer instead of
 812         a const reference.
 813         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
 814         Target_arm::default_target.
 815         (Arm_Relobj::do_relocate_sections): Remove options paramater in
 816         method definition.
 817         (Target_arm::relocate_section): Adjust view.
 818         (Target_arm::relocate_stub): New method definition.
 819
 820 2009-11-10  Doug Kwan  <dougkwan@google.com>
 821
 822         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
 823         a format warning.
 824         * incremental.cc (open_incremental_binary): Initialized local
 825         variables to avoid warnings.
 826         * object.cc (make_elf_object): Ditto.
 827         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
 828         a format warning.
 829
 830 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
 831
 832         PR gold/10930
 833         * testsuite/plugin_test.c: Include "config.h".
 834
 835 2009-11-09  Doug Kwan  <dougkwan@google.com>
 836
 837         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
 838         (arm_symbol_value): Remove.
 839         (Arm_relocate_functions::arm_branch_common,
 840         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
 841         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
 842         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
 843         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
 844         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
 845         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
 846         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
 847         Arm_relocate_functions::thm_mobw_abs_nc,
 848         Arm_relocate_functions::thm_mov_abs,
 849         Arm_relocate_functions::movw_prel_nc,
 850         Arm_relocate_functions::thm_movt_abs,
 851         Arm_relocate_functions::movt_prel,
 852         Arm_relocate_functions::thm_movw_prel_nc,
 853         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
 854         (Target_arm::Relocate::relocate): Only decompose address into two
 855         parts if relocation type uses the thumb-bit and pass the actual
 856         bit instead of a flag indicating that the thumb-bit is used.  Adjust
 857         calls to methods in Arm_relocate_functions for this change.
 858
 859 2009-11-08  Ian Lance Taylor  <iant@google.com>
 860
 861         PR 10925
 862         * reloc.cc: Instantiate
 863         Sized_relobj::initialize_input_to_output_maps and
 864         Sized_relobj:free_input_to_output_maps.
 865
 866 2009-11-06  Ian Lance Taylor  <iant@google.com>
 867
 868         PR 10876
 869         * defstd.cc (in_segment): Set only_if_ref true for "end".
 870
 871 2009-11-06  Doug Kwan  <dougkwan@google.com>
 872
 873         * arm.cc (class Reloc_stub): Correct a comment.
 874         (Target_arm::Target_arm): Initialize arm_input_section_map_.
 875         (Target_arm::scan_section_for_stubs): New method declaration.
 876         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
 877         Change methods from private to protected.
 878         (Target_arm::do_may_relax): New method definition.
 879         (Target_arm::do_relax, Target_arm::group_sections,
 880         Target_arm::scan_reloc_for_stub,
 881         Target_arm::scan_reloc_section_for_stubs): New method declarations.
 882         (Target_arm::arm_input_section_map_): New data member declaration.
 883         (Target_arm::scan_reloc_for_stub,
 884         Target_arm::scan_reloc_section_for_stubs,
 885         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
 886         Target_arm::do_relax): New method definitions.
 887
 888 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
 889
 890         * configure.ac: Check for (struct stat)::st_mtim
 891         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
 892         * config.in: Regenerate.
 893         * configure: Regenerate.
 894
 895 2009-11-05  Ian Lance Taylor  <iant@google.com>
 896
 897         PR 10910
 898         * output.cc (Output_segment::add_output_section): Add missing
 899         return statement.
 900
 901 2009-11-04  Ian Lance Taylor  <iant@google.com>
 902
 903         PR 10880
 904         * object.h (class Object): Add is_needed and set_is_needed
 905         methods.  Add is_needed_ field.  Make bool fields into bitfields.
 906         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
 907         defined in a dynamic object and referenced by a regular object,
 908         set is_needed for the dynamic object.
 909         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
 910         if the file is marked with as_needed and it is not needed.
 911
 912 2009-11-04  Ian Lance Taylor  <iant@google.com>
 913
 914         PR 10887
 915         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
 916         tags if data is discarded by linker script.
 917         * i386.cc (Target_i386::do_finalize_sections): Likewise.
 918         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
 919         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
 920         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 921
 922 2009-11-04  Ian Lance Taylor  <iant@google.com>
 923
 924         * layout.cc (Layout::get_output_section): Add is_interp and
 925         is_dynamic_linker_section parameters.  Change all callers.
 926         (Layout::choose_output_section): Likewise.
 927         (Layout::make_output_section): Likewise.
 928         (Layout::add_output_section_data): Add is_dynamic_linker_section
 929         parameter.  Change all callers.
 930         * layout.h (class Layout): Update declarations.
 931         * output.h (class Output_section): Add is_interp, set_is_interp,
 932         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
 933         Add is_interp_, is_dynamic_linker_section_ fields.  Change
 934         generate_code_fills_at_write_ to a bitfield.
 935         * output.cc (Output_section::Output_sections): Initialize new
 936         fields.
 937         (Output_segment::add_output_section): Add do_sort parameter.
 938         Change all callers.
 939
 940 2009-11-03  Ian Lance Taylor  <iant@google.com>
 941
 942         PR 10860
 943         * options.h (class General_options): Add --warn-common.
 944         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
 945         merging two common symbols.
 946         (Symbol_table::should_override): Handle --warn-common when merging
 947         a common symbol with a defined symbol.  Use report_resolve_problem
 948         for multiple definitions.
 949         (Symbol_table::report_resolve_problem): New function.
 950         * symtab.h (class Symbol_table): Declare report_resolve_problem.
 951
 952 2009-11-03  Doug Kwan  <dougkwan@google.com>
 953
 954         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
 955         stub_factory_.
 956         (Target_arm::stub_factory): New method definition.
 957         (Target_arm::new_arm_input_section,
 958         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
 959         Target_arm::reloc_uses_thumb_bit): New method declarations.
 960         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
 961         New type definitions.
 962         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
 963         member declarations.
 964         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
 965         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
 966         New method definitions.
 967
 968 2009-11-03  Ian Lance Taylor  <iant@google.com>
 969
 970         * options.h (class General_options): Add --warn_constructors.
 971
 972 2009-11-03  Ian Lance Taylor  <iant@google.com>
 973
 974         PR 10893
 975         * defstd.cc (in_section): Add entries for __rel_iplt_start,
 976         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
 977
 978 2009-11-03  Ian Lance Taylor  <iant@google.com>
 979
 980         PR 10895
 981         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
 982         --msgid-bugs-address.
 983         (install-pdf): New target.
 984         (install-data_yes): Look up one directory to find mkinstalldirs.
 985
 986 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
 987
 988         * po/Make-in (.po.gmo): Don't generate .gmo files in source
 989         tree.
 990
 991 2009-10-30  Doug Kwan  <dougkwan@google.com>
 992
 993         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
 994
 995 2009-10-30  Doug Kwan  <dougkwan@google.com>
 996
 997         * arm.cc (Stub_addend_reader): New struct template definition
 998         and partial specializations.
 999         (Stub_addend_reader::operator()): New method definition for a
1000         partially specialized template.
1001
1002 2009-10-30  Doug Kwan  <dougkwan@google.com>
1003
1004         * arm.cc (Arm_relobj::processor_specific_flags): New method
1005         definition.
1006         (Arm_relobj::do_read_symbols): New method declaration.
1007         (Arm_relobj::processor_specific_flags_): New data member declaration.
1008         (Arm_dynobj): New class definition.
1009         (Target_arm::do_finalize_sections): Add input_objects parameter.
1010         (Target_arm::do_adjust_elf_header): New method declaration.
1011         (Target_arm::are_eabi_versions_compatible,
1012         (Target_arm::merge_processor_specific_flags): New method declaration.
1013         (Target_arm::do_make_elf_object): New overloaded method definitions
1014         and declaration.
1015         (Arm_relobj::do_read_symbols): New method definition.
1016         (Arm_dynobj::do_read_symbols): Ditto.
1017         (Target_arm::do_finalize_sections): Add input_objects parameters.
1018         Merge processor-specific flags from all input objects.
1019         (Target_arm::are_eabi_versions_compatible,
1020         Target_arm::merge_processor_specific_flags,
1021         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
1022         New method definitions.
1023         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
1024         Input_objects pointer type parameter.
1025         * layout.cc (Layout::finalize): Pass input objects to target's.
1026         finalize_sections function.
1027         * output.cc (Output_file_header::do_sized_write): Set ELF file
1028         header's processor-specific flags.
1029         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
1030         Input_objects pointer type parameter.
1031         * sparc.cc (Target_sparc::do_finalize_sections): Same.
1032         * target.h (Input_objects): New forward class declaration.
1033         (Target::processor_specific_flags,
1034         Target::are_processor_specific_flags_sect): New method definitions.
1035         (Target::finalize_sections): Add input_objects parameter.
1036         (Target::Target): Initialize processor_specific_flags_ and
1037         are_processor_specific_flags_set_.
1038         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
1039         parameter.
1040         (Target::set_processor_specific_flags): New method definition.
1041         (Target::processor_specific_flags_,
1042         Target::are_processor_specific_flags_set_): New data member
1043         declarations.
1044         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
1045         Input_objects pointer type parameter.
1046
1047 2009-10-30  Doug Kwan  <dougkwan@google.com>
1048
1049         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
1050
1051 2009-10-28  Ian Lance Taylor  <iant@google.com>
1052
1053         * object.h (class Relobj): Drop options parameter from
1054         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
1055         do_scan_relocs, do_relocate.  Change all callers.
1056         (class Sized_relobj): Drop options parameters from
1057         do_gc_process_relocs, do_scan_relocs, do_relocate,
1058         do_relocate_sections, relocate_sections, emit_relocs_scan,
1059         emit_relocs_scan_reltype.  Change all callers.
1060         (struct Relocate_info): Remove options field and all references to
1061         it.
1062         * reloc.h (class Read_relocs): Remove options constructor
1063         parameter and options_ field.  Change all callers.
1064         (class Gc_process_relocs, class Scan_relocs): Likewise.
1065         (class Relocate_task): Likewise.
1066         * target-reloc.h (scan_relocs): Remove options parameter.  Change
1067         all callers.
1068         (scan_relocatable_relocs): Likewise.
1069         * target.h (class Sized_target): Remove options parameter from
1070         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
1071         all callers.
1072         * gc.h (gc_process_relocs): Remove options parameter.  Change all
1073         callers.
1074         * arm.cc: Update functions to remove options parameters.
1075         * i386.cc: Likewise.
1076         * powerpc.cc: Likewise.
1077         * sparc.cc: Likewise.
1078         * x86_64.cc: Likewise.
1079         * testsuite/testfile.cc: Likewise.
1080
1081 2009-10-28  Doug Kwan  <dougkwan@google.com>
1082
1083         * arm.cc (Arm_relobj): New class definition.
1084         (Arm_relobj::scan_sections_for_stubs,
1085         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
1086         New method definitions.
1087
1088 2009-10-28  Cary Coutant  <ccoutant@google.com>
1089
1090         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
1091         (Plugin::cleanup_done_): New member.
1092         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
1093         (Plugin_manager::cleanup_done_): Remove.
1094         (Plugin_manager::add_input_file): Edit error message.
1095         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
1096         (Plugin_manager::cleanup): Remove use of cleanup_done_.
1097
1098 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
1099
1100         * fileread.cc: (File_read::View::~View): Use the new
1101         data_ownership_ filed.
1102         (File_read::~File_read): Dispose the new whole_file_view_.
1103         (File_read::open): Mmap the whole file if needed.
1104         (File_read::open): Use whole_file_view_ instead of contents_.
1105         (File_read::find_view): Use whole_file_view_ if applicable.
1106         (File_read::do_read): Use whole_file_view_ instead of contents_.
1107         (File_read::make_view): Use whole_file_view_ instead of contents_,
1108         update File_read::View::View call.
1109         (File_read::find_or_make_view): Update File_read::View::View
1110         call.
1111         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
1112         remove contents_
1113         (File_read::View::Data_ownership): New enum.
1114         (File_read::View::View): Replace bool mapped_ with Data_ownership
1115         argument.
1116         (File_read::View::mapped_): Remove (replaced by data_ownership_).
1117         (File_read::View::data_ownership_): New field.
1118         (File_read::contents_): Remove (replaced by whole_file_view_).
1119         (File_read::whole_file_view_): New field.
1120         * options.h (class General_options): Add --keep-files-mapped.
1121
1122 2009-10-27  Cary Coutant  <ccoutant@google.com>
1123
1124         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
1125         * testsuite/Makefile.am (plugin_test_5): New test case.
1126         * testsuite/Makefile.in: Regenerate.
1127
1128 2009-10-25  Doug Kwan  <dougkwan@google.com>
1129
1130         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
1131         from private to protected to allow access by child class.
1132         (Sized_relobj::do_relocate_sections): New method declaration.
1133         (Sized_relobj::relocate_sections): Virtualize.
1134         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
1135         Sized_relobj::relocate_sections.  Instantiate template explicitly
1136         for different target sizes and endianity.
1137
1138 2009-10-24  Doug Kwan  <dougkwan@google.com>
1139
1140         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
1141         (Arm_input_section::as_arm_input_section): New method.
1142         (Arm_output_section): New class definition.
1143         (Arm_output_section::create_stub_group,
1144         Arm_output_section::group_sections): New method definitions.
1145
1146 2009-10-22  Doug Kwan  <dougkwan@google.com>
1147
1148         * arm.cc (Arm_input_section): New class definition.
1149         (Arm_input_section::init, Arm_input_section:do_write,
1150         Arm_input_section::set_final_data_size,
1151         Arm_input_section::do_reset_address_and_file_offset): New method
1152         definitions.
1153
1154 2009-10-21  Doug Kwan  <dougkwan@google.com>
1155
1156         * arm.cc (Stub_table, Arm_input_section): New forward class
1157         declarations.
1158         (Stub_table): New class defintion.
1159         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
1160         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
1161         New method definition.
1162
1163 2009-10-21  Doug Kwan  <dougkwan@google.com>
1164
1165         * arm.cc: Update copyright comments.
1166         (Target_arm): New forward class template declaration.
1167         (Arm_address): New type.
1168         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
1169         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
1170         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
1171         constants.
1172         (Insn_template): Same.
1173         (DEF_STUBS): New macro.
1174         (Stub_type): New enum type.
1175         (Stub_template): New class definition.
1176         (Stub): Same.
1177         (Reloc_stub): Same.
1178         (Stub_factory): Same.
1179         (Target_arm::Target_arm): Initialize may_use_blx_ and
1180         should_force_pic_veneer_.
1181         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
1182         Target_arm::should_force_pic_veneer,
1183         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
1184         Target_arm::using_thumb_only, Target_arm:;default_target): New
1185         method defintions.
1186         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
1187         New data member declarations.
1188         (Insn_template::size, Insn_template::alignment): New method defintions.
1189         (Stub_template::Stub_template): New method definition.
1190         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
1191         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
1192         (Stub_factory::Stub_factory): New method definition.
1193         * gold.h (string_hash): New template.
1194         * output.h (Input_section_specifier::hash_value): Use
1195         gold::string_hash.
1196         (Input_section_specifier::string_hash): Remove.
1197         * stringpool.cc (Stringpool_template::string_hash): Use
1198         gold::string_hash.
1199
1200 2009-10-20  Doug Kwan  <dougkwan@google.com>
1201
1202         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
1203         symbols of relaxed input sections.
1204         * output.h (Output_section::find_relaxed_input_section): Make
1205         method public.
1206
1207 2009-10-16  Doug Kwan  <dougkwan@google.com>
1208
1209         * dynobj.cc (Versions::Versions): Initialize version_script_.
1210         Only insert base version symbol definition for a shared object
1211         if version script defines any version versions.
1212         (Versions::define_base_version): New method definition.
1213         (Versions::add_def): Check that base version is not needed.
1214         (Versions::add_need): Define base version lazily.
1215         * dynobj.h (Versions::define_base_version): New method declaration.
1216         (Versions::needs_base_version_): New data member declaration.
1217         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
1218         (check_DATA): Add no_version_test.stdout.
1219         (libno_version_test.so, no_version_test.o no_version_test.stdout):
1220         New make rules.
1221         * testsuite/Makefile.in: Regenerate.
1222         * testsuite/no_version_test.c: New file.
1223         * testsuite/no_version_test.sh: Ditto.
1224
1225 2009-10-16  Doug Kwan  <dougkwan@google.com>
1226
1227         * expression.cc (class Segment_start_expression): New class definition.
1228         (Segment_start_expression::value): New method definition.
1229         (script_exp_function_segment_start): Return a new
1230         Segment_start_expression.
1231         * gold/script-c.h (script_saw_segment_start_expression): New function
1232         prototype.
1233         * script-sections.cc (Script_sections::Script_sections): Initialize
1234         SAW_SEGMENT_START_EXPRESSION_ to false.
1235         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
1236         and -Tbbs options to specify section addresses if given in
1237         command line and no SEGMENT_START expression is seen in a script.
1238         * script-sections.h (Script_sections::saw_segment_start_expression,
1239         Script_sections::set_saw_segment_start_expression): New method
1240         definition.
1241         (Script_sections::saw_segment_start_expression_): New data member
1242         declaration.
1243         * script.cc (script_saw_segment_start_expression): New function.
1244         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
1245         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
1246         script_test_7.sh and script_test_8.sh.
1247         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
1248         script_test_8.stdout.
1249         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
1250         (script_test_6, script_test_6.stdout, script_test_7,
1251         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
1252         * Makefile.in: Regenerate.
1253         * testsuite/script_test_6.sh: New file.
1254         * testsuite/script_test_6.t: Same.
1255         * testsuite/script_test_7.sh: Same.
1256         * testsuite/script_test_7.t: Same.
1257         * testsuite/script_test_8.sh: Same.
1258
1259 2009-10-16  Doug Kwan  <dougkwan@google.com>
1260
1261         * output.cc (Output_segment::set_section_list_address): Cast
1262         expressions to unsigned long long type to avoid format warnings.
1263
1264 2009-10-15  Ian Lance Taylor  <iant@google.com>
1265
1266         * script.cc (Script_options::add_symbol_assignment): Always add a
1267         dot assignment to script_sections_.
1268         * script-sections.cc (Script_sections::add_dot_assignment):
1269         Initialize if necessary.
1270
1271         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
1272         program headers with no load segment if there is a linker script.
1273
1274         * layout.cc (Layout::set_segment_offsets): Align the file offset
1275         to the segment aligment for -N or -n with no load segment.
1276         * output.cc (Output_segment::add_output_section): Don't crash if
1277         the first section is a TLS section.
1278         (Output_segment::set_section_list_addresses): Print an error
1279         message if the address moves backward in a linker script.
1280         * script-sections.cc
1281         (Output_section_element_input::set_section_addresses): Don't
1282         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
1283         (Orphan_output_section::set_section_addresses): Likewise.
1284
1285 2009-10-15  Doug Kwan  <dougkwan@google.com>
1286
1287         * layout.cc (Layout::finish_dynamic_section): Generate tags
1288         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
1289         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
1290         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
1291
1292 2009-10-14  Ian Lance Taylor  <iant@google.com>
1293
1294         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
1295         fields.
1296         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
1297         data_shdr fields of relinfo.
1298         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
1299         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
1300         R_386_TLS_LDO_32, adjust based on section flags.
1301         (Target_i386::Relocate::fix_up_ldo): Remove.
1302
1303 2009-10-13  Ian Lance Taylor  <iant@google.com>
1304
1305         Add support for -pie.
1306         * options.h (class General_options): Add -pie and
1307         --pic-executable.
1308         (General_options::output_is_position_independent): Test -pie.
1309         (General_options::output_is_executable): Return true if not shared
1310         and not relocatable.
1311         (General_options::output_is_pie): Remove.
1312         * options.cc (General_options::finalize): Reject incompatible uses
1313         of -pie.
1314         * gold.cc (queue_middle_tasks): A -pie link is not static.
1315         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
1316         * symtab.cc (Symbol::final_value_is_known): Return false if
1317         output_is_position_independent.
1318         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
1319         output_is_position_independent.
1320         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
1321         output_is_position_independent.
1322         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
1323         output_is_position_independent.
1324         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
1325         two_file_pie_test.
1326         (basic_pie_test.o, basic_pie_test): New targets.
1327         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
1328         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
1329         (two_file_pie_test): New target.
1330         * testsuite/Makefile.in: Rebuild.
1331         * README: Remove note saying that -pie is not supported.
1332
1333 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1334
1335         * options.h (class General_options): Add -init and -fini.
1336         * layout.cc (Layout::finish_dynamic_section): Emit
1337         given init and fini functions.
1338
1339 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
1340
1341         * gc.h (gc_process_relocs): Check if icf is enabled using new
1342         function.
1343         * gold.cc (queue_initial_tasks): Likewise.
1344         (queue_middle_tasks): Likewise.
1345         * object.cc (do_layout): Likewise.
1346         * symtab.cc (is_section_folded): Likewise.
1347         * main.cc (main): Likewise.
1348         * reloc.cc (Read_relocs::run): Likewise.
1349         (Sized_relobj::do_scan_relocs): Likewise.
1350         * icf.cc (is_function_ctor_or_dtor): New function.
1351         (Icf::find_identical_sections): Check if function is ctor or dtor when
1352         safe icf is chosen.
1353         * options.h (General_options::icf): Change option to be an enum.
1354         (Icf_status): New enum.
1355         (icf_enabled): New method.
1356         (icf_safe_folding): New method.
1357         (set_icf_status): New method.
1358         (icf_status_): New variable.
1359         * (options.cc) (General_options::finalize): Set icf_status_.
1360         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
1361         icf_test and icf_keep_unique_test to use the --icf enum flag.
1362         * testsuite/icf_safe_test.sh: New file.
1363         * testsuite/icf_safe_test.cc: New file.
1364
1365 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
1366
1367         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
1368         includes to gc.h and icf.h.
1369         * arm.cc: Include gc.h.
1370         * gold.cc: Likewise.
1371         * i386.cc: Likewise.
1372         * powerpc.cc: Likewise.
1373         * sparc.cc: Likewise.
1374         * x86_64.cc: Likewise.
1375         * gc.h: Include icf.h.
1376
1377 2009-10-11  Ian Lance Taylor  <iant@google.com>
1378
1379         * plugin.cc: Include "gold.h" before other header files.
1380
1381 2009-10-10  Chris Demetriou  <cgd@google.com>
1382
1383         * options.h (Input_file_argument::Input_file_type): New enum.
1384         (Input_file_argument::is_lib_): Replace with...
1385         (Input_file_argument::type_): New member.
1386         (Input_file_argument::Input_file_argument): Take Input_file_type
1387         'type' rather than boolean 'is_lib' as second argument.
1388         (Input_file_argument::is_lib): Use type_.
1389         (Input_file_argument::is_searched_file): New function.
1390         (Input_file_argument::may_need_search): Handle is_searched_file.
1391         * options.cc (General_options::parse_library): Support -l:filename.
1392         (General_options::parse_just_symbols): Update for Input_file_argument
1393         changes.
1394         (Command_line::process): Likewise.
1395         * archive.cc (Archive::get_file_and_offset): Likewise.
1396         * plugin.cc (Plugin_manager::release_input_file): Likewise.
1397         * script.cc (read_script_file, script_add_file): Likewise.
1398         * fileread.cc (Input_file::Input_file): Likewise.
1399         (Input_file::will_search_for): Handle is_searched_file.
1400         (Input_file::open): Likewise.
1401         * readsyms.cc (Read_symbols::get_name): Likewise.
1402         * testsuite/Makefile.am (searched_file_test): New test.
1403         * testsuite/Makefile.in: Regenerate.
1404         * testsuite/searched_file_test.cc: New file.
1405         * testsuite/searched_file_test_lib.cc: New file.
1406
1407 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1408             Ian Lance Taylor  <iant@google.com>
1409
1410         * descriptor.cc: Include <cstdio> and "binary-io.h".
1411         (Descriptors::open): Open the files in binary mode always.
1412         * script.cc (Lex::get_token): Treat \r as whitespace.
1413
1414 2009-10-09  Ian Lance Taylor  <iant@google.com>
1415
1416         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1417
1418 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1419             Ian Lance Taylor  <iant@google.com>
1420
1421         * configure.ac: Check for readv function also.
1422         * fileread.cc (readv): Define if not HAVE_READV.
1423         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1424         does not exist.
1425         * config.in: Regenerate.
1426         * configure: Regenerate.
1427
1428 2009-10-09  Doug Kwan  <dougkwan@google.com>
1429
1430         * layout.cc (Layout::make_output_section): Call target hook to make
1431         ordinary output section.
1432         (Layout::finalize): Adjust parameter list of call the
1433         Target::may_relax().
1434         * layout.h (class Layout::section_list): New method.
1435         * merge.h (Output_merge_base::entsize): Change visibility to public.
1436         (Output_merge_base::is_string, Output_merge_base::do_is_string):
1437         New methods.
1438         (Output_merge_string::do_is_string): New method.
1439         * object.cc (Sized_relobj::do_setup): renamed from
1440         Sized_relobj::set_up.
1441         * object.h (Sized_relobj::adjust_shndx,
1442         Sized_relobj::initializ_input_to_output_maps,
1443         Sized_relobj::free_input_to_output_maps): Change visibilities to
1444         protected.
1445         (Sized_relobj::setup): Virtualize.
1446         (Sized_relobj::do_setup): New method declaration.
1447         (Sized_relobj::invalidate_section_offset,
1448         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1449         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1450         * options.cc (parse_int): New function.
1451         * options.h (parse_int): New declaration.
1452         (DEFINE_int): New macro.
1453         (stub_group_size): New option.
1454         * output.cc (Output_section::Output_section): Initialize memebers
1455         merge_section_map_, merge_section_by_properties_map_,
1456         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1457         (Output_section::add_input_section): Handled deferred code-fill
1458         generation and remove an old comment.
1459         (Output_section::add_relaxed_input_section): New method definition.
1460         (Output_section::add_merge_input_section): Use merge section by
1461         properties map to speed to search.  Update merge section maps
1462         as appropriate.
1463         (Output_section::build_relaxation_map): New method definition.
1464         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1465         Same.
1466         (Output_section::relax_input_section): Renamed to
1467         Output_section::convert_input_sections_to_relaxed_sections and change
1468         interface to take a vector of pointers to relaxed sections.
1469         (Output_section::find_merge_section,
1470         Output_section::find_relaxed_input_section): New method definitions.
1471         (Output_section::is_input_address_mapped,
1472         Output_section::output_offset, Output_section::output_address):
1473         Use output section data maps to speed up searching.
1474         (Output_section::find_starting_output_address): Add comments.
1475         (Output_section::do_write,
1476         Output_section::write_to_postprocessing_buffer): Do code-fill
1477         generation as appropriate.
1478         (Output_section::get_input_sections): Invalidate relaxed input section
1479         map.
1480         (Output_section::restore_states): Adjust type of checkpoint .
1481         Invalidate relaxed input section map.
1482         * output.h (Output_merge_base): New class declaration.
1483         (Input_section_specifier): New class defintion.
1484         (class Output_relaxed_input_section) Change base class to
1485         Output_section_data_build.
1486         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
1487         base class initializer.
1488         (Output_section::add_relaxed_input_section): New method declaration.
1489         (Output_section::Input_section): Change visibility to protected.
1490         (Output_section::Input_section::relobj,
1491         Output_section::Input_section::shndx): Handle relaxed input sections.
1492         Output_section::input_sections) Change visibility to protected.  Also
1493         define overload to return a non-const pointer.
1494         (Output_section::Merge_section_properties): New class defintion.
1495         (Output_section::Merge_section_by_properties_map,
1496         Output_section::Output_section_data_by_input_section_map,
1497         Output_section::Relaxation_map): New types.
1498         (Output_section::relax_input_section): Rename method to
1499         Output_section::convert_input_sections_to_relaxed_sections and change
1500         interface to take a vector of relaxed section pointers.
1501         (Output_section::find_merge_section,
1502         Output_section::find_relaxed_input_section,
1503         Output_section::build_relaxation_map,
1504         Output_section::convert_input_sections_in_list_to_relaxed_sections):
1505         New method declarations.
1506         (Output_section::merge_section_map_
1507         Output_section::merge_section_by_properties_map_,
1508         Output_section::relaxed_input_section_map_,
1509         Output_section::is_relaxed_input_section_map_valid_,
1510         Output_section::generate_code_fills_at_write_): New data members.
1511         * script-sections.cc
1512         (Output_section_element_input::set_section_addresses): Call
1513         current_data_size and addralign methods of relaxed input sections.
1514         (Orphan_output_section::set_section_addresses): Call current_data_size
1515         and addralign methods of relaxed input sections.
1516         * symtab.cc (Symbol_table::compute_final_value): Extract template
1517         from the body of Symbol_table::sized_finalize_symbol.
1518         (Symbol_table::sized_finalized_symbol): Call
1519         Symbol_table::compute_final_value.
1520         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
1521         (Symbol_table::compute_final_value): New templated method declaration.
1522         * target.cc (Target::do_make_output_section): New method defintion.
1523         * target.h (Target::make_output_section): New method declaration.
1524         (Target::relax): Add more parameters for input objects, symbol table
1525         and layout.  Adjust call to do_relax.
1526         (Target::do_make_output_section): New method declaration.
1527         (Target::do_relax): Add parameters for input objects, symbol table
1528         and layout.
1529
1530 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1531
1532         * pread.c: Include stdio.h.
1533
1534 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1535
1536         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
1537         defined.
1538
1539 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1540
1541         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1542         Change read_shndx type to unsigned int.
1543         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1544         int.
1545         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1546         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
1547         Change read_shndx type to unsigned int.
1548         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1549         int.
1550         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1551         * layout.cc (Layout::create_symtab_sections): Cast the result of
1552         local_symcount * symsize to off_t in the gold_assert.
1553
1554 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1555
1556         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
1557         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
1558         R_ARM_BASE_ABS.
1559         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
1560         (Arm_relocate_functions::thm_abs5): New function.
1561         (Arm_relocate_functions::abs12): New function.
1562         (Arm_relocate_functions::abs16): New function.
1563         (Arm_relocate_functions::base_abs): New function.
1564         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
1565         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
1566         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
1567         R_ARM_BASE_ABS.
1568         (Scan::global): Likewise.
1569         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
1570         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
1571         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
1572         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
1573         R_ARM_BASE_ABS.
1574
1575 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1576
1577         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
1578         (Arm_relocate_functions::movt_prel): New function.
1579         (Arm_relocate_functions::thm_movw_prel_nc): New function.
1580         (Arm_relocate_functions::thm_movt_prel): New function.
1581         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
1582         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
1583         (Scan::global, Relocate::relocate): Likewise.
1584         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1585
1586 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1587
1588         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
1589         Incremental_checker.
1590         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
1591         unsigned int.
1592         (class Incremental_inputs_header): New class.
1593         (Incremental_inputs_header_writer): Edit comment.
1594         (Incremental_inputs_entry): New class.
1595         (Incremental_inputs_entry_writer): Edit comment.
1596         (Sized_incremental_binary::do_find_incremental_inputs_section):
1597         Add *strtab_shndx parameter, fill it.
1598         (Sized_incremental_binary::do_check_inputs): New method.
1599         (Incremental_checker::can_incrementally_link_output_file): Use
1600         Sized_incremental_binary::check_inputs.
1601         (Incremental_inputs::report_command_line): Save command line in
1602         command_line_.
1603         * incremental.h:
1604         (Incremental_binary::find_incremental_inputs_section): New
1605         method.
1606         (Incremental_binary::do_find_incremental_inputs_section): Add
1607         strtab_shndx parameter.
1608         (Incremental_binary::do_check_inputs): New pure virtual method.
1609         (Sized_incremental_binary::do_check_inputs): Declare.
1610         (Incremental_checker::Incremental_checker): Add incremental_inputs
1611         parameter, use it to initialize incremental_inputs_.
1612         (Incremental_checker::incremental_inputs_): New field.
1613         (Incremental_checker::command_line): New method.
1614         (Incremental_checker::inputs): New method.
1615         (Incremental_checker::command_line_): New field.
1616
1617 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1618
1619         * incremental.cc: Include <cstdarg> and "target-select.h".
1620         (vexplain_no_incremental): New function.
1621         (explain_no_incremental): New function.
1622         (Incremental_binary::error): New method.
1623         (Sized_incremental_binary::do_find_incremental_inputs_section): New
1624         method.
1625         (make_sized_incremental_binary): New function.
1626         (open_incremental_binary): New function.
1627         (can_incrementally_link_file): Add checks if output is ELF and has
1628         inputs section.
1629         * incremental.h: Include "elfcpp_file.h" and "output.h".
1630         (Incremental_binary): New class.
1631         (Sized_incremental_binary): New class.
1632         (open_incremental_binary): Declare.
1633         * object.cc (is_elf_object): Use
1634         elfcpp::Elf_recognizer::is_elf_file.
1635         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1636         * output.h (Output_file::filesize): New method.
1637
1638 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1639
1640         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1641         New function.
1642         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1643         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1644         function.
1645         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1646         function.
1647         (Arm_relocate_functions::movw_abs_nc): New function.
1648         (Arm_relocate_functions::movt_abs): New function.
1649         (Arm_relocate_functions::thm_movw_abs_nc): New function.
1650         (Arm_relocate_functions::thm_movt_abs): New function.
1651         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1652         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1653         (Scan::global): Likewise.
1654         (Relocate::relocate): Likewise.
1655         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1656
1657 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1658
1659         * arm.cc (Arm_relocate_functions::got_prel) New function.
1660         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1661         (Relocate::relocate): Likewise.
1662         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1663
1664 2009-10-06  Ian Lance Taylor  <iant@google.com>
1665
1666         * options.h (class General_options): Define
1667         split_stack_adjust_size parameter.
1668         * object.h (class Object): Add uses_split_stack_ and
1669         has_no_split_stack_ fields.  Add uses_split_stack and
1670         has_no_split_stack accessor functions.  Declare
1671         handle_split_stack_section.
1672         (class Reloc_symbol_changes): Define.
1673         (class Sized_relobj): Define Function_offsets.  Declare
1674         split_stack_adjust, split_stack_adjust_reltype, and
1675         find_functions.
1676         * object.cc (Object::handle_split_stack_section): New function.
1677         (Sized_relobj::do_layout): Call handle_split_stack_section.
1678         * dynobj.cc (Sized_dynobj::do_layout): Call
1679         handle_split_stack_section.
1680         * reloc.cc (Sized_relobj::relocate_sections): Call
1681         split_stack_adjust for executable sections in split_stack
1682         objects.  Pass reloc_map to relocate_section.
1683         (Sized_relobj::split_stack_adjust): New function.
1684         (Sized_relobj::split_stack_adjust_reltype): New function.
1685         (Sized_relobj::find_functions): New function.
1686         * target-reloc.h: Include "object.h".
1687         (relocate_section): Add reloc_symbol_changes parameter.  Change
1688         all callers.
1689         * target.h (class Target): Add calls_non_split method.  Declare
1690         do_calls_non_split virtual method.  Declare match_view and
1691         set_view_to_nop.
1692         * target.cc: Include "elfcpp.h".
1693         (Target::do_calls_non_split): New function.
1694         (Target::match_view): New function.
1695         (Target::set_view_to_nop): New function.
1696         * gold.cc (queue_middle_tasks): Give an error if mixing
1697         split-stack and non-split-stack objects with -r.
1698         * i386.cc (Target_i386::relocate_section): Add
1699         reloc_symbol_changes parameter.
1700         (Target_i386::do_calls_non_split): New function.
1701         * x86_64.cc (Target_x86_64::relocate_section): Add
1702         reloc_symbol_changes parameter.
1703         (Target_x86_64::do_calls_non_split): New function.
1704         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1705         parameter.
1706         * powerpc.cc (Target_powerpc::relocate_section): Add
1707         reloc_symbol_changes parameter.
1708         * sparc.cc (Target_sparc::relocate_section): Add
1709         reloc_symbol_changes parameter.
1710         * configure.ac: Call AM_CONDITIONAL for the default target.
1711         * configure: Rebuild.
1712         * testsuite/Makefile.am (TEST_AS): New variable.
1713         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1714         (check_DATA): Add split_i386 and split_x86_64 files.
1715         (SPLIT_DEFSYMS): Define.
1716         (split_i386_[1234n].o): New targets.
1717         (split_i386_[124]): New targets.
1718         (split_i386_[1234r].stdout): New targets.
1719         (split_x86_64_[1234n].o): New targets.
1720         (split_x86_64_[124]): New targets.
1721         (split_x86_64_[1234r].stdout): New targets.
1722         (MOSTLYCLEANFILES): Add new executables.
1723         * testsuite/split_i386.sh: New file.
1724         * testsuite/split_x86_64.sh: New file.
1725         * testsuite/split_i386_1.s: New file.
1726         * testsuite/split_i386_2.s: New file.
1727         * testsuite/split_i386_3.s: New file.
1728         * testsuite/split_i386_4.s: New file.
1729         * testsuite/split_i386_n.s: New file.
1730         * testsuite/split_x86_64_1.s: New file.
1731         * testsuite/split_x86_64_2.s: New file.
1732         * testsuite/split_x86_64_3.s: New file.
1733         * testsuite/split_x86_64_4.s: New file.
1734         * testsuite/split_x86_64_n.s: New file.
1735         * testsuite/testfile.cc (Target_test): Update relocation_section
1736         function.
1737         * testsuite/Makefile.in: Rebuild.
1738
1739 2009-10-06  Ian Lance Taylor  <iant@google.com>
1740
1741         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1742         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1743         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
1744         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1745         the address on ldo_addrs_.
1746         (Target_i386::Relocate::fix_up_ldo): New function.
1747
1748 2009-10-06   Rafael Espindola  <espindola@google.com>
1749
1750         * plugin.cc (add_input_library): New.
1751         (Plugin::load): Add add_input_library to tv.
1752         (Plugin_manager::add_input_file): Add the is_lib argument.
1753         (add_input_file): Update call to Plugin_manager::add_input_file.
1754         (add_input_library): New.
1755         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1756
1757 2009-09-30  Doug Kwan  <dougkwan@google.com>
1758
1759         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1760         symbol and call Symbol::may_need_copy_reloc to determine if
1761         a copy reloc is needed.
1762         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1763         nocopyreloc is given in command line.
1764         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1765         given in command line.
1766         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1767         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1768         of the removed Target_i386::may_need_copy_reloc.
1769         * options.h (copyreloc): New option with default value false.
1770         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1771         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1772         instead of the removed Target_powerpc::may_need_copy_reloc.
1773         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1774         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1775         instead of the removed Target_sparc::may_need_copy_reloc.
1776         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1777         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1778         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1779         instead of the removed Target_x86_64::may_need_copy_reloc.
1780
1781 2009-09-30  Ian Lance Taylor  <iant@google.com>
1782
1783         * object.h (class Object): Remove target_ field, and target,
1784         sized_target, and set_target methods.
1785         (Object::sized_target): Remove.
1786         (class Sized_relobj): Update declarations.  Remove sized_target.
1787         * object.cc (Sized_relobj::setup): Remove target parameter.
1788         Change all callers.
1789         (Input_objects::add_object): Don't do anything with the target.
1790         (make_elf_sized_object): Add punconfigured parameter.  Change all
1791         callers.  Set or test parameter target.
1792         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1793         Change all callers.
1794         * parameters.cc (Parameters::set_target): Change parameter type to
1795         be non-const.
1796         (Parameters::default_target): Remove.
1797         (set_parameters_target): Change parameter type to be non-const.
1798         (parameters_force_valid_target): New function.
1799         (parameters_clear_target): New function.
1800         * parameters.h (class Parameters): Update declarations.  Remove
1801         default_target method.  Add sized_target and clear_target
1802         methods.  Change target_ to be non-const.
1803         (set_parameters_target): Update declaration.
1804         (parameters_force_valid_target): Declare.
1805         (parameters_clear_target): Declare.
1806         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1807         as NULL if we aren't searching.
1808         (Add_symbols::run): Don't check for compatible target.
1809         * fileread.cc (Input_file::open_binary): Call
1810         parameters_force_valid_target.
1811         * gold.cc (queue_middle_tasks): Likewise.
1812         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
1813         set_target on object.
1814         * dynobj.h (class Sized_dynobj): Update declarations.
1815         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1816         make_elf_object returns NULL.
1817         (Archive::include_member): Don't check whether object target is
1818         compatible.
1819         * output.cc (Output_section::add_input_section): Get target from
1820         parameters.
1821         (Output_section::relax_input_section): Likewise.
1822         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1823         parameters.
1824         (Sized_relobj::do_scan_relocs): Likewise.
1825         (Sized_relobj::relocate_sections): Likewise.
1826         * resolve.cc (Symbol_table::resolve): Likewise.
1827         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
1828         parameter.  Change all callers.
1829         (Symbol_table::add_from_object): Get target from parameters.
1830         (Symbol_table::add_from_relobj): Don't check object target.
1831         (Symbol_table::add_from_dynobj): Likewise.
1832         (Symbol_table::define_special_symbol): Get target from
1833         parameters.
1834         * symtab.h (class Symbol_table): Update declaration.
1835         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1836         parameter.  Change all callers.  Clear parameter target.
1837         (Binary_test): Test target here.
1838         * testsuite/object_unittest.cc (gold_testsuite): Remove
1839         target_test_pointer parameter.  Change all callers.
1840         (Object_test): Test target here.
1841
1842 2009-09-26  Ian Lance Taylor  <iant@google.com>
1843
1844         * testsuite/initpri1.c: Don't try to use constructor priorities if
1845         compiling with gcc before 4.3.
1846
1847 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
1848
1849         * testsuite/retain_symbols_file_test.sh (check_present): Change
1850         output file name to retain_symbols_file_test.stdout.
1851         (check_absent): Likewise.
1852
1853 2009-09-18  Craig Silverstein  <csilvers@google.com>
1854
1855         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1856         * options.cc: Include <cerrno> and <fstream>.
1857         (General_options::finalize): Parse -retain-symbols-file tag.
1858         * options.h: New flag.
1859         (General_options): New method should_retain_symbol, new
1860         variable symbols_to_retain.
1861         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1862         should_retain_symbol map.
1863         * testsuite/Makefile.am (retain_symbols_file_test): New test.
1864         * testsuite/Makefile.in: Regenerate.
1865         * testsuite/retain_symbols_file_test.sh: New file.
1866
1867 2009-09-18  Nick Clifton  <nickc@redhat.com>
1868
1869         * po/es.po: Updated Spanish translation.
1870
1871 2009-09-17  Doug Kwan  <dougkwan@google.com>
1872
1873         * debug.h (DEBUG_RELAXATION): New constant.
1874         (DEBUG_ALL): Add DEBUG_RELAXATION.
1875         (debug_string_to_enum): Add relaxation debug option.
1876         * layout.cc
1877         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1878         Layout::Relaxation_debug_check::read_sections,
1879         Layout::Relaxation_debug_check::read_sections): New method definitions.
1880         (Layout::Layout): Initialize data members
1881         record_output_section_data_from_scrips_,
1882         script_output_section_data_list_ and relaxation_debug_check_.
1883         (Layout::save_segments, Layout::restore_segments,
1884         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1885         Layout::relaxation_loop_body): New method definitions.
1886         (Layout::finalize): Support relaxation.  Move section layout code to
1887         Layout::relaxation_loop_body.
1888         (Layout::set_asection_address_from_script): Move code for orphan
1889         section placement out.
1890         (Layout::place_orphan_sections_in_script): New method definition.
1891         * layout.h (Output_segment_headers, Output_file_header):
1892         New forward class declarations.
1893         (Layout::~Layout): Define.
1894         (Layout::new_output_section_data_from_script): New method definition.
1895         (Layout::place_orphan_sections_in_script): New method declaration.
1896         (Layout::Segment_states): New type declaration.
1897         (Layout::save_segments, Layout::restore_segments,
1898         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1899         Layout::relaxation_loop_body): New method declarations.
1900         (Layout::Output_section_data_list): New type declaration.
1901         (Layout::Relaxation_debug_check): New class definition.
1902         (Layout::record_output_section_data_from_script_,
1903         Layout::script_output_section_data_list_, Layout::segment_states_,
1904         Layout::relaxation_debug_check_): New data members.
1905         * output.cc: (Output_section_headers::do_size): New method definition.
1906         (Output_section_headers::Output_section_headers): Move size
1907         computation to Output_section_headers::do_size.
1908         (Output_segment_headers::do_size): New method definition.
1909         (Output_file_header::Output_file_header): Move size computation to
1910         Output_file_header::do_size and call it.
1911         (Output_file_header::do_size): New method definition.
1912         (Output_data_group::Output_data_group): Adjust call to
1913         Output_section_data.
1914         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1915         (Output_symtab_xindex::do_write): Add array bound check.
1916         (Output_section::Input_section::print_to_mapfile): Handle
1917         RELAXED_INPUT_SECTION_CODE.
1918         (Output_section::Output_section): Initialize data member checkpoint_.
1919         (Output_section::~Output_section): Delete checkpoint object pointed
1920         by checkpoint_.
1921         (Output_section::add_input_section): Always add an Input_section if
1922         relaxing.
1923         (Output_section::add_merge_input_section): Add assert.
1924         (Output_section::relax_input_section): New method definition.
1925         (Output_section::set_final_data_size): Set load address to zero for
1926         an unallocated section.
1927         (Output_section::do_address_and_file_offset_have_reset_values):
1928         New method definition.
1929         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1930         Handle relaxed input section.
1931         (Output_section::sort_attached_input_sections): Checkpoint input
1932         section list lazily.
1933         (Output_section::get_input_sections): Change type of input_sections to
1934         list of Simple_input_section pointers.  Checkpoint input section list
1935         lazily.  Also handle relaxed input sections.
1936         (Output_section::add_input_section_for_script): Take a reference to
1937         a Simple_input_section object instead of Relobj pointer and section
1938         index as parameter.  Handle relaxed input sections.
1939         (Output_section::save_states, Output_section::restore_states): New
1940         method definitions.
1941         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1942         (Output_data::is_data_size_fixed): New method definition.
1943         (Output_data::reset_addresss_and_file_offset): Do not reset data size
1944         if it is fixed.
1945         (Output_data::address_and_file_offset_have_reset_values): New method
1946         definition.
1947         (Output_data::do_address_and_file_offset_have_reset_values): New method
1948         definition.
1949         (Output_data::set_data_size): Check that data size is not fixed.
1950         (Output_data::fix_data_size): New method definition.
1951         (Output_data::is_data_size_fixed_): New data member.
1952         (Output_section_headers::set_final_data_size): New method definition.
1953         (Output_section_headers::do_size): New method declaration.
1954         (Output_segment_headers::set_final_data_size): New method definition.
1955         (Output_segment_headers::do_size): New method declaration.
1956         (Output_file_header::set_final_data_size)::New method definition.
1957         (Output_file_header::do_size)::New method declaration.
1958         (Output_section_data::Output_section_data): Add new parameter
1959         is_data_size_fixed and use it to fix data size.
1960         (Output_data_const::Output_data_const): Adjust call to base class
1961         constructor and fix data size.
1962         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1963         base class constructor and fix data size.
1964         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1965         base class constructor and fix data size.
1966         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1967         class constructor and fix data size.
1968         (Output_data_group::set_final_data_size): New method definition.
1969         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1970         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1971         class constructor and fix data size.
1972         (Output_relaxed_input_section): New class definition.
1973         (Output_section::Simple_input_section): New class definition.
1974         (Output_section::get_input_sections): Adjust parameter list.
1975         (Output_section::add_input_section_for_script): Same.
1976         (Output_section::save_states, Output_section::restore_states,
1977         Output_section::do_address_and_file_offset_have_reset_values,
1978         (Output_section::Input_section::Input_section): Handle
1979         RELAXED_INPUT_SECTION_CODE.  Add new overload for
1980         Output_relaxed_input_section.
1981         (Output_section::Input_section::is_input_section,
1982         Output_section::Input_section::set_output_section): Handle relaxed
1983         input section.
1984         (Output_section::Input_section::is_relaxed_input_section,
1985         Output_section::Input_section::output_section_data,
1986         Output_section::Input_section::relaxed_input_section): New method
1987         definitions.
1988         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1989         value.
1990         (Output_section::Input_section::u1_): Update comments.
1991         (Output_section::Input_section::u2_): Add new union member poris.
1992         (Output_section::Checkpoint_output_section): New classs definition.
1993         (Output_section::relax_input_section): New method declaration.
1994         (Output_section::checkpoint_): New data member.
1995         (Output_segment): Update comments.
1996         (Output_segment::Output_segment): Un-privatize copy constructor.
1997         (Output_segment::operator=): Un-privatize.
1998         * script-sections.cc (Output_section_element::Input_section_list):
1999         Change element type to Output_section::Simple_input_section.
2000         (Output_section_element_dot_assignment::set_section_addresses):
2001         Register output section data for relaxation clean up.
2002         (Output_data_exression::Output_data_expression): Adjust call to base
2003         constructor to fix data size.
2004         (Output_section_element_data::set_section_addresses): Register
2005         Output_data_expression object for relaxation clean up.
2006         (struct Input_section_info): Replace Relobj pointer and section index
2007         pair with Output_section::Simple_input_section and Convert struct to a
2008         class.
2009         (Input_section_sorter::operator()): Adjust access to
2010         Input_section_info data member to use accessors.
2011         (Output_section_element_input::set_section_addresses): Use layout
2012         parameter.  Adjust code to use Output_section::Simple_input_section
2013         and Input_secction_info classes.  Register filler for relaxation
2014         clean up.
2015         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
2016         and section index pair with Output_section::Simple_input_section
2017         class.  Adjust code accordingly.
2018         (Phdrs_element::release_segment): New method definition.
2019         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
2020         segment list.
2021         (Script_sections::release_segments): New method definition.
2022         * gold/script-sections.h (Script_sections::release_segments): New
2023         method declaration.
2024         * gold/target.h (Target::may_relax, Target::relax,
2025         Target::do_may_relax, Target::do_relax): New method definitions.
2026
2027 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2028
2029         * arm.cc (has_signed_unsigned_overflow): New function.
2030         (Arm_relocate_functions::abs8): New function.
2031         (Target_arm::Scan::local): Handle R_ARM_ABS8.
2032         (Target_arm::Scan::global): Likewise.
2033         (Target_arm::relocate::relocate): Likewise.
2034         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2035         Likewise.
2036
2037 2009-09-16  Cary Coutant  <ccoutant@google.com>
2038
2039         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
2040         * testsuite/Makefile.in: Regenerate.
2041
2042 2009-09-11  Nick Clifton  <nickc@redhat.com>
2043
2044         * po/gold.pot: Updated by the Translation project.
2045
2046 2009-09-08  Cary Coutant  <ccoutant@google.com>
2047
2048         * output.cc (Output_file::open): Add execute permission to empty file.
2049         * testsuite/Makefile.am (permission_test): New test.
2050         * testsuite/Makefile.in: Regenerate.
2051
2052 2009-09-02  Ian Lance Taylor  <iant@google.com>
2053
2054         * output.cc (Output_file::resize): Call map_no_anonymous rather
2055         than map.
2056
2057 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
2058
2059         * gold.cc: Include "incremental.h".
2060         (queue_initial_tasks): Call Incremental_checker methods.
2061         * incremental.cc: Include "output.h".
2062         (Incremental_checker::can_incrementally_link_output_file): New
2063         method.
2064         * incremental.h (Incremental_checker): New class.
2065
2066         * output.cc (Output_file::open_for_modification): New method.
2067         (Output_file::map_anonymous): Changed return type to bool.  Record
2068         map in base_ field.
2069         (Output_file::map_no_anonymous): New method, broken out of map.
2070         (Output_file::map): Use map_no_anonymous and map_anonymous.
2071         * output.h (class Output_file): Update declarations.
2072
2073 2009-08-24  Cary Coutant  <ccoutant@google.com>
2074
2075         * options.h (Command_line::Pre_options): New class.
2076         (Command_line::pre_options): New member.
2077         * options.cc (gold::options::ready_to_register): New variable.
2078         (One_option::register_option): Do nothing if not registering options.
2079         Assert if same short option registered twice.
2080         (General_options::General_options): Turn off option registration when
2081         done constructing.
2082         (Command_line::Pre_options::Pre_options): New constructor.
2083
2084 2009-08-24  Cary Coutant  <ccoutant@google.com>
2085
2086         * options.h (General_options::no_keep_memory): Remove incorrect
2087         short option.
2088
2089 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2090
2091         * Makefile.am (am__skiplex, am__skipyacc): New.
2092         * Makefile.in: Regenerate.
2093
2094 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2095
2096         * Makefile.am (AM_CPPFLAGS): Renamed from ...
2097         (INCLUDES): ... this.
2098         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
2099         (AM_CPPFLAGS): Renamed from ...
2100         (INCLUDE): ... this.
2101         * Makefile.in, testsuite/Makefile.in: Regenerate.
2102
2103         * Makefile.in: Regenerate.
2104         * aclocal.m4: Likewise.
2105         * config.in: Likewise.
2106         * configure: Likewise.
2107         * testsuite/Makefile.in: Likewise.
2108
2109         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2110         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2111         * Makefile.in: Regenerate.
2112         * testsuite/Makefile.in: Regenerate.
2113
2114 2009-08-19  Cary Coutant  <ccoutant@google.com>
2115
2116         * resolve.cc (Symbol_table::resolve): Don't complain about defined
2117         symbols in shared libraries overridden by hidden or internal symbols
2118         in the main program.
2119
2120 2009-08-19  Chris Demetriou  <cgd@google.com>
2121
2122         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
2123         checking source file names in error messages.
2124
2125 2009-08-18  Doug Kwan  <dougkwan@google.com>
2126
2127         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
2128         an elcpp::Ehdr as parameter.  Adjust call to set_target.
2129         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
2130         an elfcpp::Ehdr as parameter.
2131         * object.cc (Object::set_target): Remove the version that looks up
2132         a target and sets it.
2133         (Sized_relobj::setup): Take a Target object instead of
2134         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
2135         (make_elf_sized_object): Find target and ask target to
2136         make an ELF object.
2137         * object.h: (Object::set_target): Remove the version that looks up
2138         a target and sets it.
2139         (Sized_relobj::setup): Take a Target object instead of
2140         an elfcpp:Ehdr as parameter.
2141         * target.cc: Include dynobj.h.
2142         (Target::do_make_elf_object_implementation): New.
2143         (Target::do_make_elf_object): New.
2144         * target.h (Target::make_elf_object): New template declaration.
2145         (Target::do_make_elf_object): New method declarations.
2146         (Target::do_make_elf_object_implementation): New template declaration.
2147
2148 2009-08-14  Ian Lance Taylor  <iant@google.com>
2149
2150         * gold.h (FUNCTION_NAME): Define.
2151         (gold_unreachable): Use FUNCTION_NAME.
2152
2153 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2154
2155         * icf.cc (Icf::find_identical_sections): Issue a warning when a
2156         symbol in the --keep-unique list is not found.
2157
2158 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2159
2160         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
2161         been maked as --keep-unique.
2162         (Icf::unfold_section): New function.
2163         * icf.h (Icf::unfold_section): New function.
2164         * options.h (General_options::keep_unique): New option.
2165         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
2166         * testsuite/Makefile.in: Regenerate.
2167         * testsuite/icf_keep_unique_test.sh: New file.
2168         * testsuite/icf_keep_unique_test.cc: New file.
2169
2170 2009-08-12  Cary Coutant  <ccoutant@google.com>
2171
2172         PR 10471
2173         * resolve.cc (Symbol_table::resolve): Check for references from
2174         dynamic objects to hidden and internal symbols.
2175         * testsuite/Makefile.am (hidden_test.sh): New test.
2176         * testsuite/Makefile.in: Regenerate.
2177         * testsuite/hidden_test.sh: New script.
2178         * testsuite/hidden_test_1.c: New test source.
2179         * testsuite/hidden_test_main.c: New test source.
2180
2181 2009-08-11  Doug Kwan  <dougkwan@google.com>
2182
2183         * arm.cc: Update comments.
2184         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
2185         segment to locate the .ARM.exidx section if present.
2186
2187 2009-08-09  Doug Kwan  <dougkwan@google.com>
2188
2189         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
2190         patch.
2191
2192 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
2193         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
2194         compiler warnings.
2195
2196 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
2197
2198         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
2199         valid tls_segment only for non-debug-section relocations.
2200         * testsuite/Makefile.am: Add gc_tls_test.
2201         * testsuite/Makefile.in: Regenerate.
2202         * testsuite/gc_tls_test.cc: New file.
2203         * testsuite/gc_tls_test.sh: New file.
2204
2205 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
2206
2207         * icf.cc: New file.
2208         * icf.h: New file.
2209         * Makefile.am (CCFILES): Add icf.cc.
2210         (HFILES): Add icf.h
2211         * Makefile.in: Regenerate.
2212         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
2213         * gc.h (gc_process_relocs): Populate lists used by icf to contain
2214         section, symbol and addend information for the relocs.
2215         * gold.cc (queue_middle_tasks): Call identical code folding.
2216         * gold.h: Add defines for multimap.
2217         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
2218         to the call of finalize_local_symbols.
2219         * main.cc (main): Create object of class Icf.
2220         * object.cc (Sized_relobj::do_layout): Allow this function to be
2221         called twice during icf.
2222         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
2223         to sections marked as identical by icf.
2224         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
2225         when available.
2226         (Sized_relobj::do_section_entsize): New function.
2227         * object.h (Object::section_entsize): New function.
2228         (Object::do_section_entsize): New pure virtual function.
2229         (Relobj::finalize_local_symbols): Add new parameter.
2230         (Relobj::do_section_entsize): New function.
2231         * options.h (General_options::icf): New option.
2232         (General_options::icf_iterations): New option.
2233         (General_options::print_icf_sections): New option.
2234         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
2235         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
2236         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
2237         icf.
2238         * symtab.cc (Symbol_table::is_section_folded): New function.
2239         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
2240         to sections marked as identical by icf.
2241         * symtab.h (Symbol_table::set_icf): New function.
2242         (Symbol_table::icf): New function.
2243         (Symbol_table::is_section_folded): New function.
2244         (Symbol_table::icf_): New data member.
2245         * target-reloc.h (relocate_section): Ignore sections folded by icf.
2246         * testsuite/Makefile.am: Add commands to build icf_test.
2247         * testsuite/Makefile.in: Regenerate.
2248         * testsuite/icf_test.sh: New file.
2249         * testsuite/icf_test.cc: New file.
2250
2251 2009-07-24  Chris Demetriou  <cgd@google.com>
2252
2253         * layout.cc (is_compressible_debug_section): Fix incorrect
2254         comment about compressed section names.
2255
2256 2009-07-20  Ian Lance Taylor  <ian@airs.com>
2257
2258         PR 10419
2259         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
2260
2261 2009-07-16  Ian Lance Taylor  <iant@google.com>
2262
2263         PR 10400
2264         * layout.h: #include <map>.
2265         (class Kept_section): Change from struct to class.  Add accessors
2266         and setters.  Add section size to Comdat_group mapping.  Change
2267         Comdat_group to std::map.  Add is_comdat_ field.  Add
2268         linkonce_size field in union.
2269         (class Layout): Update declaration of find_or_add_kept_section.
2270         Don't declare find_kept_object.
2271         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
2272         parameter.  Add object, shndx, is_comdat, and is_group_name
2273         parameters.  Change all callers.  Adjust for new Kept_section.
2274         (Layout::find_kept_object): Remove.
2275         * object.cc (Sized_relobj::include_section_group): Update use of
2276         Kept_section.  Rename secnum to shndx.  Only record
2277         Kept_comdat_section if sections are the same size.
2278         (Sized_relobj::include_linkonce_section): Update use of
2279         Kept_section.  Only record Kept_comdat_section if sections are the
2280         same size.  Set size of linkonce section.
2281         (Sized_relobj::map_to_kept_section): Update call to
2282         get_kept_comdat_section.
2283         * object.h (class Sized_relobj): Rename fields in
2284         Kept_comdat_section to drop trailing underscores; change object
2285         field to Relobj*.  Change Kept_comdat_section_table to store
2286         struct rather than pointer.
2287         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
2288         Add kept_object and kept_shndx parameters.  Change all callers.
2289         (Sized_relobj::get_kept_comdat_section): Change return type to
2290         bool.  Add kept_object and kept_shndx parameters.  Change all
2291         callers.
2292         * plugin.cc (Pluginobj::include_comdat_group): Update call to
2293         Layout::find_or_add_kept_section.
2294
2295 2009-07-09  Ian Lance Taylor  <iant@google.com>
2296
2297         * merge.cc (Object_merge_map::initialize_input_to_output_map):
2298         Reserve space in the hash table.
2299
2300 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
2301
2302         * fileread.cc (File_read::get_mtime): New method.
2303         * fileread.h (Timespec): New structure.
2304         (File_read::get_mtime): New method.
2305         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
2306         Renamed from timestamp_nsec.
2307         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
2308         Elf_Xword.
2309         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
2310         timestamp_nsec.
2311         (Incremental_inputs::report_archive): Save mtime; style fix.
2312         (Incremental_inputs::report_obejct): Save mtime; style fix.
2313         (Incremental_inputs::report_script): Save mtime; style fix.
2314         (Incremental_inputs::finalize_inputs): Style fix.
2315         (Incremental_inputs::finalize): Style fix.
2316         (Incremental_inputs::create_input_section_data): Store inputs
2317         mtime.
2318         * incremental.h (Incremental_inputs::report_script): Add mtime
2319         argument.
2320         (Incremental_inputs::Input_info::Input_info): Intialize only one
2321         union member.
2322         (Incremental_inputs::Input_info::archive): Move to nameless
2323         union.
2324         (Incremental_inputs::Input_info::obejct): Move to nameless union.
2325         (Incremental_inputs::Input_info::script): Move to nameless union.
2326         (Incremental_inputs::mtime): New field.
2327         * script.cc (read_input_script): Pass file mtime to
2328         Incremental_input.
2329         * script.h (Script_info::inputs): Style fix.
2330
2331 2009-07-01  Ian Lance Taylor  <ian@airs.com>
2332
2333         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
2334         instead of 32.
2335
2336 2009-06-24  Ian Lance Taylor  <iant@google.com>
2337
2338         PR 10156
2339         * layout.cc (Layout::choose_output_section): If we find an
2340         existing section, update the flags.
2341         (Layout::create_notes): New function, broken out of
2342         Layout::finalize.
2343         (Layout::finalize): Don't create note sections.
2344         (Layout::create_note): Don't crash if linker script discards
2345         section.
2346         (Layout::create_gold_note): Likewise.
2347         (Layout::create_build_id): Likewise.  Don't set
2348         after_input_sections on the section.
2349         (Layout::create_executable_stack_info): Remove target parameter.
2350         Change caller.
2351         * layout.h (class Layout): Declare create_notes.  Update
2352         declaration of create_executable_stack_info.
2353         * gold.cc (queue_middle_tasks): Call create_notes.
2354         * output.cc (Output_section::update_flags_for_input_section): Move
2355         here from output.h.  If SHF_ALLOC flag is newly set, mark address
2356         invalid.
2357         * output.h (Output_data::mark_address_invalid): New function.
2358         (class Output_section): Only declare, not define,
2359         update_flags_for_input_section.  Remove set_flags.
2360
2361 2009-06-24  Ian Lance Taylor  <iant@google.com>
2362
2363         * script-sections.cc (Output_section_definition::
2364         set_section_addresses): Rename shadowing local load_address to
2365         laddr.
2366
2367 2009-06-24  Ian Lance Taylor  <iant@google.com>
2368
2369         PR 10244
2370         * reloc.cc (relocate_sections): Skip empty relocation sections.
2371
2372 2009-06-23  Ian Lance Taylor  <iant@google.com>
2373
2374         PR 10156
2375         * layout.cc (Layout::create_note): Use choose_output_section
2376         rather than make_output_section.
2377
2378 2009-06-23  Ian Lance Taylor  <iant@google.com>
2379
2380         PR 10237
2381         * options.cc (General_options::parse_V): Set printed_version_.
2382         (General_options::General_options): Initialize printed_version_.
2383         * options.h (class General_options): Add printed_version_ field.
2384         * gold.cc (queue_initial_tasks): If there are no input files,
2385         don't give a fatal error if we printed the version information.
2386         (queue_middle_tasks): If using -r with a shared object, give a
2387         fatal error rather than an ordinary error.
2388
2389 2009-06-23  Ian Lance Taylor  <iant@google.com>
2390
2391         PR 10219
2392         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2393         (Layout::make_output_section): Set have_stabstr_section_ if we see
2394         a .stab*str section.
2395         (Layout::finalize): Call link_stabs_sections.
2396         (Layout::link_stabs_sections): New file.
2397         * layout.h (class Layout): Add have_stabstr_section_ field.
2398         Declare link_stabs_sections.
2399
2400 2009-06-23  Doug Kwan  <dougkwan@google.com>
2401
2402         * Makefile.am (libgold_a_LIBADD): New.
2403         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2404         * Makefile.in: Regenerate.
2405         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2406         * configure: Regenerate.
2407         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2408         * fileread.cc: Include sys/state.h
2409         * gold.h: Declare memmem and strndup if found missing.
2410         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2411
2412 2009-06-23  Ian Lance Taylor  <iant@google.com>
2413
2414         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2415         * configure: Rebuild.
2416
2417 2009-06-23  Ian Lance Taylor  <iant@google.com>
2418
2419         PR 10147
2420         * object.cc (Object::section_contents): Don't try to get a view if
2421         the section has length zero.
2422         (Object::handle_gnu_warning_section): If the section is empty, use
2423         the name of the section as the warning.
2424
2425 2009-06-23  Ian Lance Taylor  <iant@google.com>
2426
2427         PR 10133
2428         * stringpool.h (class Stringpool_template): Add optimize_ field.
2429         (Stringpool_template::set_optimize): New function.
2430         * stringpool.cc (Stringpool_template::Stringpool_template):
2431         Initialize optimize_ field.
2432         (Stringpool_template::set_string_offsets): Test local optimize
2433         fild rather than parameter.
2434         * layout.cc (Layout::Layout): Call set_optimize on the section
2435         name stringpool.
2436
2437 2009-06-22  Ian Lance Taylor  <iant@google.com>
2438
2439         PR 10030
2440         * yyscript.y: Parse TARGET.
2441         * script.cc (script_set_target): New function.
2442         * script-c.h (script_set_target): Declare.
2443         * options.cc (General_options::string_to_object_format): Rename
2444         from string_to_object_format in anonymous namespace.  Change
2445         callers.
2446         * options.h (class General_options): Declare
2447         string_to_object_format.
2448
2449 2009-06-22  Ian Lance Taylor  <iant@google.com>
2450
2451         * script-sections.cc (Script_sections::create_segments): Don't put
2452         program headers in a PT_LOAD segment if -n or -N.
2453
2454 2009-06-22  Ian Lance Taylor  <iant@google.com>
2455
2456         PR 10141
2457         * options.h (class General_options): Add -z lazy and -z now.  Sort
2458         -z options into alphabetical order.
2459         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2460
2461 2009-06-21  Ian Lance Taylor  <iant@google.com>
2462
2463         * layout.cc (Layout::make_output_section): Call
2464         Target::new_output_section.
2465         (Layout::attach_allocated_section_to_segment): Put large section
2466         sections in a separate load segment with the large segment flag
2467         set.
2468         (Layout::segment_precedes): Sort large data segments after other
2469         load segments.
2470         (align_file_offset): New static function.
2471         (Layout::set_segment_offsets): Use align_file_offset.
2472         * output.h (class Output_section): Add is_small_section_ and
2473         is_large_section_ fields.
2474         (Output_section::is_small_section): New function.
2475         (Output_section::set_is_small_section):  New function.
2476         (Output_section::is_large_section): New function.
2477         (Output_section::set_is_large_section): New function.
2478         (Output_section::is_large_data_section): New function.
2479         (class Output_segment): Add is_large_data_segment_ field.
2480         (Output_segment::is_large_data_segment): New function.
2481         (Output_segment::set_is_large_data_segment): New function.
2482         * output.cc (Output_section::Output_section): Initialize new
2483         fields.
2484         (Output_segment::Output_segment): Likewise.
2485         (Output_segment::add_output_section): Add assertion that large
2486         data sections always go in large data segments.  Force small data
2487         sections to the end of the list of data sections.  Force small BSS
2488         sections to the start of the list of BSS sections.  For large BSS
2489         sections to the end of the list of BSS sections.
2490         * symtab.h (class Symbol): Declare is_common_shndx.
2491         (Symbol::is_defined): Check Symbol::is_common_shndx.
2492         (Symbol::is_common): Likewise.
2493         (class Symbol_table): Define enum Commons_section_type.  Update
2494         declarations.  Add small_commons_ and large_commons_ fields.
2495         * symtab.cc (Symbol::is_common_shndx): New function.
2496         (Symbol_table::Symbol_table): Initialize new fields.
2497         (Symbol_table::add_from_object): Put small and large common
2498         symbols in the right list.
2499         (Symbol_table::sized_finalized_symbol): Check
2500         Symbol::is_common_shndx.
2501         (Symbol_table::sized_write_globals): Likewise.
2502         * common.cc (Symbol_table::do_allocate_commons): Allocate new
2503         common symbol lists.  Don't call do_allocate_commons_list if the
2504         list is empty.
2505         (Symbol_table::do_allocate_commons_list): Remove is_tls
2506         parameter.  Add comons_section_type parameter.  Change all
2507         callers.  Handle small and large common symbols.
2508         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
2509         Symbol::is_common_shndx.
2510         * resolve.cc (symbol_to_bits): Likewise.
2511         * target.h (Target::small_common_shndx): New function.
2512         (Target::small_common_section_flags): New function.
2513         (Target::large_common_shndx): New function.
2514         (Target::large_common_section_flags): New function.
2515         (Target::new_output_section): New function.
2516         (Target::Target_info): Add small_common_shndx, large_common_shndx,
2517         small_common_section_flags, and large_common_section_flags
2518         fields.
2519         (Target::do_new_output_section): New virtual function.
2520         * arm.cc (Target_arm::arm_info): Initialize new fields.
2521         * i386.cc (Target_i386::i386_info): Likewise.
2522         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2523         Likewise.
2524         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
2525         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2526         (Target_x86_64::do_new_output_section): New function.
2527         * configure.ac: Define conditional MCMODEL_MEDIUM.
2528         * testsuite/Makefile.am (check_PROGRAMS): Add large.
2529         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
2530         (large_LDFLAGS): Define.
2531         * testsuite/large.c: New file.
2532         * testsuite/testfile.cc (Target_test::test_target_info):
2533         Initialize new fields.
2534         * configure, testsuite/Makefile.in: Rebuild.
2535
2536 2009-06-05  Doug Kwan  <dougkwan@google.com>
2537
2538         * Makefile.am (CCFILES): Add target.cc.
2539         * Makefile.in: Regenerate.
2540         * i386.cc (class Target_i386): Define new virtual method to
2541         override do_is_local_label_name in parent.
2542         * object.cc (Sized_relobj::do_count_local_symbols): Discard
2543         local symbols if --discard-locals or -X is given.
2544         * options.h (class General_options): Declare new options
2545         '--discard-locals' and '-X' for discarding locals.
2546         * target.h (class Target): Define new methods is_local_label_name.
2547         Declare new virtual method do_is_local_label_name.
2548         * target.cc: New file.
2549         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
2550         (check_SCRIPTS): Add discard_locals_test.sh.
2551         (check_DATA): Add discard_local_tests.syms.
2552         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
2553         (discard_local_tests.syms, discard_locals_test.o): New make rules.
2554         * testsuite/Makefile.in: Regenerate.
2555         * testsuite/discard_locals_test.c: New file.
2556         * testsuite/discard_locals_test.sh: Same.
2557
2558 2009-06-05  Doug Kwan  <dougkwan@google.com>
2559
2560         * object.cc (Sized_relobj::Sized_relobj): Initialize
2561         discarded_eh_frame_shndx_ to -1U.
2562         (Sized_relobj::do_layout): Record index of a discard .eh_frame
2563         section.
2564         (Sized_relobj::do_count_local_symbols): Skip local symbols in
2565         a discarded .eh_frame section.
2566         (Sized_relobj::do_finalize_local_symbols): Ditto.
2567         * object.h (class Sized_relobj): Declare new member
2568         discarded_eh_frame_shndx_.
2569         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
2570         (local_labels_test.o, local_labels_test): New rules.
2571         * testsuite/Makefile.in: Regenerate.
2572
2573 2009-06-04  Doug Kwan  <dougkwan@google.com>
2574
2575         * layout.cc (Layout::section_name_mapping): Add mapping for
2576         special ARM sections.
2577
2578 2009-06-03  Doug Kwan  <dougkwan@google.com>
2579
2580         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
2581         (utils::has_overflow): Same.
2582
2583 2009-06-03  Ian Lance Taylor  <iant@google.com>
2584
2585         * layout.cc (Layout::section_name_mapping): New array, replacing
2586         Layout::linkonce_mapping.
2587         (Layout::section_name_mapping_count): New variable, replacing
2588         Layout::linkonce_mapping_count.
2589         (Layout::linkonce_output_name): Remove.
2590         (Layout::output_section_name): Rewrite.
2591         * layout.h (class Layout): Rename Linkonce_mapping to
2592         Section_name_mapping, linkonce_mapping to section_name_mapping,
2593         linkonce_mapping_count to section_name_mapping_count.  Don't
2594         declare linkonce_output_name.
2595
2596 2009-06-03  Doug Kwan  <dougkwan@google.com>
2597
2598         * gold/arm.cc (namespace utils): New.
2599         (Target_arm::reloc_is_non_pic): Define new method.
2600         (class Arm_relocate_functions): New.
2601         (Target_arm::Relocate::relocate): Handle relocation types used by
2602         Android.
2603
2604 2009-06-03  Ian Lance Taylor  <iant@google.com>
2605
2606         * arm.cc (Target_arm::scan::global): Use || instead of |.
2607
2608 2009-06-02  Doug Kwan  <dougkwan@google.com>
2609
2610         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
2611         issued_non_pic_error_.
2612         (class Target_arm::Scan): Declare new method check_non_pic.
2613         Define new method symbol_needs_plt_entry.
2614         Declare new data member issued_non_pic_error_.
2615         (class Target_arm::Relocate): Declare new method
2616         should_apply_static_reloc.
2617         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2618         (Target_arm::Scan::check_non_pic): Define new method.
2619         (Target_arm::Scan::local): Handle a small subset of reloc types used
2620         by Android.
2621         (Target_arm::Scan::local): Same.
2622         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2623
2624 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
2625
2626         * incremental.cc (Incremental_inputs::report_command_line): Filter
2627         out --incremental-* options.
2628
2629 2009-05-29  Doug Kwan  <dougkwan@google.com>
2630
2631         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2632         template class.
2633         (class Target_arm): Update comment.
2634         (Target_arm::Target_arm): Initialize new data members GOT_,
2635         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2636         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2637         and Target_arm::rel_dyn_section.
2638         Declare new_enum Target_arm::Got_type.
2639         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2640         and DYNBSS_.
2641         Update commments for member do_dynsym_value.
2642         (Target_arm::got_size, Target_arm::plt_section,
2643         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2644         new methods inside class defintion.
2645         (Target_arm::got_section): Define new method.
2646         (Target_arm::rel_dyn_section): Same.
2647         (Output_data_plt_arm): New template class.
2648         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2649         (Output_data_plt_arm:do_adjust_output_section): Define new method.
2650         (Output_data_plt_arm::add_entry): Same.
2651         (Output_data_plt_arm::first_plt_entry): Define new
2652         static data member for PLT instruction template.
2653         (Output_data_plt_arm::plt_entry): Same.
2654         (Output_data_plt_arm::do_write): Define new method.
2655         (Target_arm::make_plt_entry): Same.
2656         (Target_arm::do_finalize_sections): Same.
2657         (Target_arm::do_dynsym_value): Same.
2658
2659 2009-05-28  Doug Kwan  <dougkwan@google.com>
2660
2661         * Makefile.am (TARGETSOURCES): Add arm.cc.
2662         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2663         * Makefile.in: Regenerate.
2664         * arm.cc: New file.
2665         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2666
2667 2009-05-26  Doug Kwan  <dougkwan@google.com>
2668
2669         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
2670         (General_options::check_excluded_libs): Strip off directories in
2671         archive name before matching like GNU ld does.
2672         * testsuite/Makefile.am (MOSTLYCLEANFILES,
2673         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2674         (exclude_libs_test_LDFLAGS): Add linker option
2675         -Wl,--exclude-libs,libexclude_libs_test_3
2676         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2677         an explicit archive without using -l.
2678         (alt/libexclude_libs_test_3.a): New make rule.
2679         * testsuite/Makefile.in: Regenerate.
2680         * testsuite/exclude_libs_test.c : Declare lib3_default().
2681         (main): Call it.
2682         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2683         * exclude_libs_test_3.c: New file.
2684
2685 2009-05-26  Nick Clifton  <nickc@redhat.com>
2686
2687         * po/id.po: New Indonesian translation.
2688         * po/gold.pot: Updated template file.
2689
2690 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
2691
2692         * testsuite/Makefile.am: Add -ffunction-sections to compile
2693         gc_comdat_test files.  Add -Wl,--gc-sections to build
2694         gc_comdat_test.
2695         * testsuite/Makefile.in: Regenerate.
2696         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2697
2698 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
2699
2700         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2701         kept comdat section was garbage collected.
2702         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2703         * testsuite/Makefile.in: Regenerate.
2704         * testsuite/gc_comdat_test.sh: New file.
2705         * testsuite/gc_comdat_test_1.cc: New file.
2706         * testsuite/gc_comdat_test_2.cc: New file.
2707
2708 2009-05-19  Doug Kwan  <dougkwan@google.com>
2709
2710         * archive.cc (Archive::Archive): Move constructor from archive.h
2711         to here.  Initialize no_export_.
2712         (Archive::get_elf_object_for_member): Set no_export flag of object.
2713         * archive.h (Archive::Archive): Move constructor body to
2714         archive.cc.
2715         (Archive::no_export): New method.
2716         (Archive::no_export_): New field.
2717         * object.h (Object::Object): Initialize no_export_ to false.
2718         (Object::no_export, Object::set_no_export): New methods.
2719         (Object::no_export_): New field.
2720         * options.cc (General_options::parse_exclude_libs): New method.
2721         (General_options::check_excluded_libs) Same.
2722         * options.h (exclude_libs): New option.
2723         (General_options::check_excluded_libs): New method declaration.
2724         (General_options::excluded_libs_): New field.
2725         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2726         default or protected visibility if an object has no-export flag set.
2727         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2728         (check_SCRIPTS): Add exclude_libs_test.sh.
2729         (check_DATA): Add exclude_libs_test.syms.
2730         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2731         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2732         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2733         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2734         (exclude_libs_test.syms, libexclude_libs_test_1.a,
2735         libexclude_libs_test_2.a): New rules.
2736         * testsuite/Makefile.in: Regenerate.
2737         * testsuite/exclude_libs_test.c: New file.
2738         * testsuite/exclude_libs_test.sh: Ditto.
2739         * testsuite/exclude_libs_test_1.c: Ditto.
2740         * testsuite/exclude_libs_test_2.c: Ditto.
2741
2742 2009-05-15  Ian Lance Taylor  <iant@google.com>
2743
2744         * configure.ac: Check for declarations for cases where libiberty.h
2745         checks HAVE_DECL_xxx.
2746         * configure, config.in: Rebuild.
2747
2748 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
2749
2750         * gold.h (Incremental_argument_list): Remove (invalid) forward
2751         declaration.
2752         * incremental.cc (Incremental_inputs::report_achive): New method.
2753         (Incremental_inputs::report_object): New method.
2754         (Incremental_inputs::report_script): New method.
2755         (Incremental_inputs::finalize_inputs): New method.
2756         (Incremental_inputs::finalize): Call finalize_inputs().
2757         (Incremental_inputs::sized_create_incremental_inputs_section_data):
2758         Create inputs entries.
2759         * incremental.h (Incremental_input_type): New enum.
2760         (Incremental_inputs::Incremental_input): Initialize new fields.
2761         (Incremental_inputs::report_inputs): New method.
2762         (Incremental_inputs::report_achive): New method.
2763         (Incremental_inputs::report_object): New method.
2764         (Incremental_inputs::report_script): New method.
2765         (Incremental_inputs::finalize_inputs): New method.
2766         (Incremental_inputs::Input_info): New struct.
2767         (Incremental_inputs::Input_info_map): New typedef.
2768         (Incremental_inputs::lock_): New field.
2769         (Incremental_inputs::Inputs_): New field.
2770         (Incremental_inputs::Inputs_map): New field.
2771         * main.cc (main): Call Incremental_input::report_inputs.
2772         * options.h (Input_argument_list): Typedef moved from
2773         Input_arguments.
2774         (Input_file_group::Files): Remove, use ::Input_argument_list.
2775         (Input_file_group::Input_argument_list): Remove, use
2776         ::Input_argument_list.
2777         * plugin.cc (Plugin_manager::add_input_file): Add error in
2778         incremental build.
2779         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2780         functions.
2781         * script.cc (read_input_script): Call
2782         Incremental_input::report_script.
2783         * script.h (Script_info): New class.
2784
2785 2009-04-27  Ian Lance Taylor  <iant@google.com>
2786
2787         * x86_64.cc (do_adjust_output_section): Set entsize to
2788         plt_entry_size.
2789
2790 2009-04-23  Elliott Hughes  <enh@google.com>
2791
2792         * output.cc (Output_file::close): After short writes, continue
2793         writing from the correct offset in the buffer being written.
2794
2795 2009-04-23  Chris Demetriou  <cgd@google.com>
2796
2797         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2798         * configure: Regenerate.
2799         * config.in: Regenerate.
2800         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2801         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2802
2803 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
2804
2805         * incremental.cc (Incremental_inputs_header_data): Renamed from
2806         Incremental_input_header_data.
2807         (Incremental_inputs_header_data::data_size): New field.
2808         (Incremental_inputs_header_data::put_input_file_count): Renamed
2809         from input_file_count.
2810         (Incremental_inputs_header_data::put_command_line_offset): Renamed
2811         from command_line_offset.
2812         (Incremental_inputs_header_data::put_reserved): Renamed from
2813         put_reserved.
2814         (Incremental_inputs_entry_data): Renamed from
2815         Incremental_input_entry_data.
2816         (Incremental_inputs_entry_data::data_size): New field.
2817         (Incremental_inputs::report_command_line): New method.
2818         (Incremental_inputs::finalize): New method.
2819         (Incremental_inputs::create_incremental_inputs_data): New method.
2820         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2821         * incremental.h: New file.
2822         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2823        (Layout::finalize): Create incremental inputs section in
2824         incremental builds.
2825        (Layout::create_incremental_info_sections): New method.
2826         * layout.h (Layout::incremental_inputs): New method.
2827        (Layout::create_incremental_info_sections): New method.
2828        (Layout::incremental_inputs_): New field.
2829         * main.cc (main): Notify Incremental_input of the command line.
2830
2831 2009-04-01  Ian Lance Taylor  <iant@google.com>
2832             Mikolaj Zalewski  <mikolajz@google.com>
2833
2834         * gold.h (reserve_unordered_map): Define, three versions, one for
2835         each version of Unordered_map.
2836         * layout.cc (Layout::Layout): Remove options parameter.  Add
2837         number_of_input_files parameter.  Don't initialize options_.
2838         Initialize number_of_input_files_ and resized_signatures_.  Move
2839         sections_are_attached_.
2840         (Layout::layout_group): Reserve space for group_signatures_.
2841         (Layout::find_or_add_kept_section): Change name parameter to be a
2842         reference.  Resize signatures_ map when it gets large enough.
2843         (Layout::layout_eh_frame): Use parameters->options() instead of
2844         this->options_.
2845         (Layout::make_output_section): Likewise.
2846         (Layout::attach_allocated_section_to_segment): Likewise.
2847         (Layout::finalize, Layout::create_executable_stack): Likewise.
2848         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2849         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2850         * layout.h (class Layout): Update declarations.  Remove options_
2851         field.  Add number_of_input_files_ and resized_signatures_
2852         fields.  Move sections_are_attached_ field.
2853         * main.cc (main): Pass number of input files to Layout
2854         constructor.  Don't pass options.
2855
2856 2009-03-30  Ian Lance Taylor  <iant@google.com>
2857
2858         * ffsll.c (ffsll): Correct implementation.
2859
2860 2009-03-27  Ian Lance Taylor  <iant@google.com>
2861
2862         * ffsll.c: New file.
2863         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2864         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2865         * ftruncate.c (ftruncate): Declare before definition.
2866         * mremap.c (mremap): Likewise.
2867         * pread.c (pread): Likewise.
2868         * configure, Makefile.in, config.in: Rebuild.
2869
2870         * mremap.c: New file.
2871         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2872         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2873         (mremap): Declare if HAVE_MREMAP is not defined.
2874         * configure, Makefile.in, config.in: Rebuild.
2875
2876 2009-03-27  Cary Coutant  <ccoutant@google.com>
2877
2878         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2879         position independent.
2880         * sparc.cc (Target_sparc::check_non_pic): Likewise.
2881         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2882
2883 2009-03-24  Cary Coutant  <ccoutant@google.com>
2884
2885         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2886         an executable.
2887         (needs_dynamic_reloc): Likewise.
2888
2889 2009-03-24  Ian Lance Taylor  <iant@google.com>
2890
2891         * yyscript.y (file_cmd): Recognize EXTERN.
2892         (extern_name_list, extern_name_list_body): New nonterminals.
2893         * script.cc (script_add_extern): Define.
2894         * script-c.h (script_add_extern): Declare.
2895
2896 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
2897
2898         * object.cc (is_elf_object): Define.
2899         * object.h (is_elf_object): Declare.
2900         * archive.cc (Archive::get_elf_object_for_member): Call
2901         is_elf_object.
2902         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2903
2904 2009-03-24  Elliott Hughes  <enh@google.com>
2905
2906         * output.cc (Output_file::map_anonymous): Define.
2907         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
2908         try an anonymous one.  Report the size if the mmap fails.
2909         * output.h (class Output_file): Declare map_anonymous.
2910
2911 2009-03-24  Ian Lance Taylor  <iant@google.com>
2912
2913         * target-select.cc (instantiate_target): Don't acquire the lock if
2914         the instantiated_target_ field has already been set.
2915
2916 2009-03-23  Ian Lance Taylor  <iant@google.com>
2917
2918         * gold-threads.h (class Initialize_lock): Define.
2919         * gold-threads.cc (class Initialize_lock_once): Define.
2920         (initialize_lock_control): New static variable.
2921         (initialize_lock_pointer): New static variable.
2922         (initialize_lock_once): New static function.
2923         (Initialize_lock::Initialize_lock): Define.
2924         (Initialize_lock::initialize): Define.
2925         * target-select.h: Include "gold-threads.h".
2926         (class Target_selector): Add lock_ and initialize_lock_ fields.
2927         Don't define instantiate_target, just declare it.
2928         * target-select.cc (Target_selector::Target_selector): Initialize
2929         new fields.
2930         (Target_selector::instantiate_target): Define.
2931         * descriptors.h: Include "gold-threads.h".
2932         (class Descriptors): Add initialize_lock_ field.
2933         * descriptors.cc (Descriptors::Descriptors): Initialize new
2934         field.
2935         (Descriptors::open): Use initialize_lock_ field
2936         * errors.h (class Errors): Add initialize_lock_ field.
2937         * errors.cc (Errors::Errors): Initialize new field.
2938         (Errors::initialize_lock): Use initialize_lock_ field.
2939         * powerpc.cc (class Target_selector_powerpc): Remove
2940         instantiated_target_ field.  In do_recognize call
2941         instantiate_target rather than do_instantiate_target.  In
2942         do_instantiate_target just allocate a new target.
2943         * sparc.cc (class Target_selector_sparc): Likewise.
2944
2945         * freebsd.h: New file.
2946         * i386.cc: Include "freebsd.h".
2947         (Target_i386): Derive from Target_freebsd rather than
2948         Sized_target.
2949         (Target_selector_i386): Derive from Target_selector_freebsd rather
2950         than Target_selector.
2951         * x86_64.cc: Include "freebsd.h".
2952         (Target_x86_64): Derive from Target_freebsd rather than
2953         Sized_target.
2954         (Target_selector_x86_64): Derive from Target_selector_freebsd
2955         rather than Target_selector.
2956         * target.h (class Target): Add adjust_elf_header and
2957         do_adjust_elf_header.
2958         * output.cc (Output_file_header:: do_sized_write): Call target
2959         adjust_elf_header routine.
2960         * configure.tgt: Set targ_osabi.
2961         * configure.ac: Define GOLD_DEFAULT_OSABI.
2962         * parameters.cc (Parameters::default_target): Pass
2963         GOLD_DEFAULT_OSABI to select_target.
2964         * target-select.h (class Target_selector): Make instantiate_target
2965         protected rather than private.
2966         * Makefile.am (HFILES): Add freebsd.h.
2967         * configure, Makefile.in, config.in: Rebuild.
2968
2969         * merge.cc (do_add_input_section): Correct pend value.  Change
2970         message about last entry not being null terminated from error to
2971         warning.
2972
2973 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
2974
2975         * incremental.cc: New file.
2976         * Makefile.am (CCFILES): Add incremental.cc.
2977         * Makefile.in: Rebuild.
2978
2979 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
2980
2981         * layout.cc (Layout::output_section_name): Preserve names
2982         of '.note.' sections.
2983
2984 2009-03-19  Ian Lance Taylor  <iant@google.com>
2985
2986         * descriptors.cc (Descriptors::open): Check that the options are
2987         valid before using them.
2988
2989 2009-03-18  Ian Lance Taylor  <iant@google.com>
2990
2991         * script-sections.h: Include <list>.
2992         (class Script_sections): Change Sections_elements from std::vector
2993         to std::list.  Typedef public Elements_iterator.  Add
2994         orphan_section_placement_, data_segment_align_start_, and
2995         saw_data_segment_align_ fields.  Remove data_segment_align_index_
2996         field.
2997         * script-sections.cc (class Orphan_section_placement): New class.
2998         (class Sections_element): Add virtual functions is_relro and
2999         orphan_section_init.  Remove virtual function place_orphan_here.
3000         (class Output_section_definition): Add is_relro and
3001         orphan_section_init.  Remove place_orphan_here.
3002         (class Orphan_output_section): Likewise.
3003         (Script_sections::Script_sections): Update for field changes.
3004         (Script_sections::data_segment_align): Set saw_data_segment_align_
3005         and data_segment_align_start_, not data_segment_align_index.
3006         (Script_sections::data_segment_relro_end): Check
3007         saw_data_segment_align_.  Use data_segment_align_start_ rather
3008         than data_segment_align_index_.
3009         (Script_sections::place_orphan): Rewrite to use
3010         Orphan_section_placement.
3011
3012 2009-03-17  Ian Lance Taylor  <iant@google.com>
3013
3014         * archive.cc (Archive::add_symbols): Check for a version attached
3015         to the symbol name in the archive map.
3016         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
3017         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
3018         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
3019         (ver_test_11.a): New target.
3020         * testsuite/Makefile.in: Rebuild.
3021
3022         * configure.ac: Check for chsize and posix_fallocate.  Replace
3023         ftruncate.
3024         * ftruncate.c: New file, from gnulib.
3025         * output.cc (posix_fallocate): Define dummy version if not
3026         HAVE_POSIX_FALLOCATE.
3027         (Output_file::map): Call posix_fallocate rather than lseek and
3028         write.
3029         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
3030         * configure, Makefile.in, config.in: Rebuild.
3031
3032 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
3033
3034         * layout.h (Layout::create_note): Add section_name parameter.
3035         * layout.cc (Layout::create_note): Likewise.
3036         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
3037
3038 2009-03-17  Ian Lance Taylor  <iant@google.com>
3039
3040         * descriptors.cc: Include "options.h".
3041         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
3042         (Descriptors::open): Always use O_CLOEXEC when opening a new
3043         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
3044         then set FD_CLOEXEC.
3045
3046         * sparc.cc (class Target_sparc): Add has_got_section.
3047         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
3048         make sure we have a GOT section.
3049
3050         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
3051         (Target_sparc::Scan::local): Likewise.
3052         (Target_sparc::Scan::global): Likewise.
3053         (Target_sparc::Relocate::relocate): Likewise.
3054         (Target_sparc::Relocate::relocate_tls): Likewise.
3055
3056         * symtab.cc (Symbol_table::define_default_version): New function,
3057         broken out of add_from_object.
3058         (Symbol_table::add_from_object): Call define_default_version.
3059         (Symbol_table::define_special_symbol): Add resolve_oldsym
3060         parameter.  Change all callers.  If the version for a symbol comes
3061         from a version script, resolve it with the symbol with the same
3062         name with no version.  Also add the symbol without a version if
3063         appropriate.
3064         (do_define_in_output_data): If resolving with oldsym, don't delete
3065         sym.
3066         (do_define_in_output_segment): Likewise.
3067         (do_define_as_constant): Likewise.
3068         * symtab.h (class Symbol_table): Update declarations.
3069
3070 2009-03-13  Ian Lance Taylor  <iant@google.com>
3071
3072         * readsyms.cc (Read_symbols::incompatible_warning): New function.
3073         (Read_symbols::requeue): New function.
3074         (Read_symbols::do_read_symbols): If make_elf_object fails because
3075         the target type is not configured, and the file was searched for,
3076         issue a warning and retry with the next directory.
3077         (Add_symbols::run): If the file has an incompatible format, and
3078         it was searched for, requeue the Read_symbols task.  On error,
3079         release the object.
3080         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
3081         dirindex parameter to constructor.  Change all callers.  Declare
3082         incompatible_warning and requeue.
3083         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
3084         input_argument_ and input_group_ fields.  Add them to
3085         constructor.  Change all callers.
3086         (class Read_script): Add dirindex_ field.  Add it to constructor.
3087         Change all callers.
3088         * archive.cc (Archive::setup): Remove input_objects parameter.
3089         Change all callers.
3090         (Archive::get_file_and_offset): Likewise.
3091         (Archive::read_all_symbols): Likewise.
3092         (Archive::read_symbols): Likewise.
3093         (Archive::get_elf_object_for_member): Remove input_objects
3094         parameter.  Add punconfigured parameter.  Change all callers.
3095         (Archive::add_symbols): Change return type to bool.  Check return
3096         value of include_member.
3097         (Archive::include_all_members): Likewise.
3098         (Archive::include_member): Change return type to bool.  Return
3099         false if first included object has incompatible target.  Set
3100         included_member_ field.
3101         (Add_archive_symbols::run): If add_symbols returns false, requeue
3102         Read_symbols task.
3103         * archive.h (class Archive): Add included_member_ field.
3104         Initialize it in constructor.  Add input_file and searched_for
3105         methods.  Update declarations.
3106         (class Add_archive_symbols): Add dirpath_, dirindex_, and
3107         input_argument_ fields.  Add them to constructor.  Change all
3108         callers.
3109         * script.cc: Include "target-select.h".
3110         (class Parser_closure): Add skip_on_incompatible_target_ and
3111         found_incompatible_target_ fields.  Add
3112         skip_on_incompatible_target parameter to constructor.  Change all
3113         callers.  Add methods skip_on_incompatible_target,
3114         clear_skip_on_incompatible_target, found_incompatible_target, and
3115         set_found_incompatible_target.
3116         (read_input_script): Add dirindex parameter.  Change all callers.
3117         If parser finds an incompatible target, requeue Read_symbols
3118         task.
3119         (script_set_symbol): Clear skip_on_incompatible_target in
3120         closure.
3121         (script_add_assertion, script_parse_option): Likewise.
3122         (script_start_sections, script_add_phdr): Likewise.
3123         (script_check_output_format): New function.
3124         * script.h (read_input_script): Update declaration.
3125         * script-c.h (script_check_output_format): Declare.
3126         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
3127         (ignore_cmd): Remove OUTPUT_FORMAT.
3128         * fileread.cc (Input_file::Input_file): Add explicit this.
3129         (Input_file::will_search_for): New function.
3130         (Input_file::open): Add pindex parameter.  Change all callers.
3131         * fileread.h (class Input_file): Add input_file_argument method.
3132         Declare will_search_for.  Update declarations.
3133         * object.cc (make_elf_object): Add punconfigured parameter.
3134         Change all callers.
3135         * object.h (class Object): Make input_file public.  Add
3136         searched_for method.
3137         (make_elf_object): Update declaration.
3138         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
3139         restart search.
3140         * dirsearch.h (class Dirsearch): Update declaration.
3141         * options.h (class General_options): Add --warn-search-mismatch.
3142         * parameters.cc (Parameters::is_compatible_target): New function.
3143         * parameters.h (class Parameters): Declare is_compatible_target.
3144         * workqueue.cc (Workqueue::add_blocker): New function.
3145         * workqueue.h (class Workqueue): Declare add_blocker.
3146
3147         * fileread.cc (Input_file::open): Remove options parameter.
3148         Change all callers.
3149         (Input_file::open_binary): Likewise.
3150         * script.cc (read_input_script): Likewise.
3151         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
3152         options parameter from constructor.  Change all callers.
3153         (class Read_script): Likewise.
3154         * fileread.h (class Input_file): Update declarations.
3155         * script.h (read_input_script): Update declaration.
3156
3157 2009-03-10  Nick Clifton  <nickc@redhat.com>
3158
3159         * po/es.po: New Spanish translation.
3160
3161 2009-03-06  Cary Coutant  <ccoutant@google.com>
3162
3163         * options.cc (parse_short_option): Keep dash_z from registering itself.
3164
3165 2009-03-03  Ian Lance Taylor  <iant@google.com>
3166
3167         PR 9918
3168         * target-reloc.h (relocate_section): Pass output_section to
3169         relocate.
3170         * i386.cc (Target_i386::should_apply_static_reloc): Add
3171         output_section parameter.  Change all callers.
3172         (Target_i386::Relocate::relocate): Add output_section parameter.
3173         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3174         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
3175         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
3176         * testsuite/two_file_shared.sh: New script.
3177         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
3178         (check_DATA): Add two_file_shared.dbg.
3179         (two_file_shared.dbg): New target.
3180         * testsuite/Makefile.in: Rebuild.
3181
3182 2009-03-01  Ian Lance Taylor  <iant@google.com>
3183
3184         * configure.ac: Check for byteswap.h.
3185         * configure: Rebuild.
3186         * config.in: Rebuild.
3187
3188 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
3189
3190         * layout.cc (Layout::find_or_add_kept_section): New function.
3191         (Layout::add_comdat): Removed.
3192         * layout.h (struct Kept_section): Move out of class Layout.
3193         Remove trailing underscores from field names.  Add group_sections
3194         field.  Rename group_ field to is_group.  Change all uses.
3195         (class Layout): Declare find_or_add_kept_section, not add_comdat.
3196         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
3197         comdat_groups_ field.
3198         (Sized_relobj::include_section_group): Use
3199         find_or_add_kept_section and Kept_section::group_sections.
3200         (Sized_relobj::include_linkonce_section): Likewise.
3201         * object.cc (class Sized_relobj): Don't define Comdat_group or
3202         Comdat_group_table.  Remove find_comdat_group and
3203         add_comdat_group.  Remove comdat_groups_ field.
3204         * plugin.cc (include_comdat_group): Use
3205         Layout::find_or_add_kept_section.
3206
3207 2009-02-28  Ian Lance Taylor  <iant@google.com>
3208
3209         * README: --gc-sections and map files are now supported.  Document
3210         some build requirements.
3211
3212         PR 6992
3213         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
3214         relocatable link set the value of the section symbol to zero.
3215         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
3216         relocatable link don't include the section address in the local
3217         symbol value.
3218
3219 2009-02-27  Ian Lance Taylor  <iant@google.com>
3220
3221         PR 6811
3222         * options.h (class Search_directory): Add is_system_directory.
3223         (class General_options): Declare is_in_system_directory.
3224         * options.cc (get_relative_sysroot): Make static.
3225         (get_default_sysroot): Make static.
3226         (General_optoins::is_in_system_directory): New function.
3227         * fileread.cc (Input_file::is_in_system_directory): New function.
3228         * fileread.h (class Input_file): Declare is_in_system_directory.
3229         * object.h (class Object): Add is_in_system_directory.
3230         (class Input_objects): Remove system_library_directory_ field.
3231         * object.cc (Input_objects::add_object): Don't set
3232         system_library_directory_.
3233         (input_objects::found_in_system_library_directory): Remove.
3234         * symtab.cc (Symbol_table::write_globals): Remove input_objects
3235         parameter.  Change all callers.
3236         (Symbol_table::sized_write_globals): Likewise.
3237         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
3238         Call Object::is_in_system_directory.
3239         * symtab.h (class Symbol_table): Update declarations.
3240
3241         PR 5990
3242         * descriptors.h (Open_descriptor): Add is_on_stack field.
3243         * descriptors.cc (Descriptors::open): If the descriptor is on the
3244         top of the stack, remove it.  Initialize is_on_stack field.
3245         (Descriptors::release): Only add pod to stack if it is not on the
3246         stack already.
3247         (Descriptors::close_some_descriptor): Clear stack_next and
3248         is_on_stack fields.
3249
3250         PR 7091
3251         * output.cc (Output_section::find_starting_output_address): Rename
3252         from starting_output_address; add PADDR parameter; change return
3253         type.
3254         * output.h (class Output_section): Declare
3255         find_starting_output_address instead of starting_output_address.
3256         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
3257         section symbol for which we can't find a merge section.
3258
3259         PR 9836
3260         * symtab.cc (Symbol_table::add_from_object): If the visibility is
3261         hidden or internal, force the symbol to be local.
3262         * resolve.cc (Symbol::override_visibility): Define.
3263         (Symbol::override_base): Use override_visibility.
3264         (Symbol_table::resolve): Likewise.
3265         (Symbol::override_base_with_special): Likewise.
3266         (Symbol_table::override_with_special): If the visibility is hidden
3267         or internal, force the symbol to be local.
3268         * symtab.h (class Symbol): Add set_visibility and
3269         override_visibility.
3270         * testsuite/ver_test_1.sh: New file.
3271         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
3272         (check_DATA): Add ver_test_1.syms.
3273         (ver_test_1.syms): New target.
3274         * testsuite/Makefile.in: Rebuild.
3275
3276 2009-02-25  Cary Coutant  <ccoutant@google.com>
3277
3278         * layout.cc (Layout::choose_output_section): Don't rename sections
3279         when using a linker script that has a SECTIONS clause.
3280         * Makefile.in: Regenerate.
3281
3282         * testsuite/Makefile.am (script_test_5.sh): New test case.
3283         * testsuite/Makefile.in: Regenerate.
3284         * testsuite/script_test_5.cc: New file.
3285         * testsuite/script_test_5.sh: New file.
3286         * testsuite/script_test_5.t: New file.
3287
3288 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
3289
3290         * archive.cc (Archive::include_member): Update calls to add_symbols.
3291         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
3292         the Layout argument.
3293         * dynobj.h (do_add_symbols): Add the Layout argument.
3294         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
3295         Layout argument.
3296         * object.h (Object::add_symbols): Add the Layout argument.
3297         (Object::do_add_symbols): Add the Layout argument.
3298         (Sized_relobj::do_add_symbols): Add the Layout argument.
3299         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
3300         Unify the two versions.
3301         (Add_plugin_symbols): Remove.
3302         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
3303         (Sized_pluginobj::do_add_symbols): Unify the two versions.
3304         (Add_plugin_symbols): Remove.
3305         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
3306         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
3307         (Add_symbols::run): Make it work with Pulginobj.
3308
3309 2009-02-06  Ian Lance Taylor  <iant@google.com>
3310
3311         * object.cc (Sized_relobj::do_layout): Make info message start
3312         with lower case letter.
3313
3314 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
3315
3316         * binary.cc: Fix file comment.
3317
3318         * options.h (enum Incremental_disposition): Define.
3319         (class General_options): Add new options: --incremental,
3320         --incremental_changed, --incremental_unchanged,
3321         --incremental_unknown.  Add incremental_disposition_ and
3322         implicit_incremental_ fields.
3323         (General_options::incremental_disposition): New function.
3324         (class Position_dependent_options): Add incremental_disposition
3325         option.
3326         (Position_dependent_options::copy_from_options): Set incremental
3327         dispositions.
3328         * options.cc (General_options::parse_incremental_changed): New
3329         function.
3330         (General_options::parse_incremental_unchanged): New function.
3331         (General_options::parse_incremental_unknown): New function.
3332         (General_options::General_options): Initialize new fields
3333         incremental_disposition_ and implicit_incremental_.
3334         (General_options::finalize): Check for uasge of --incremental-*
3335         without --incremental.
3336
3337 2009-02-06  Chris Demetriou  <cgd@google.com>
3338
3339         * gold.h (gold_undefined_symbol): Change to take only a Symbol
3340         pointer and to report location as the file name associated with
3341         the symbol.
3342         (gold_undefined_symbol_at_location): New function to replace the
3343         old gold_undefined_symbol functionality.
3344         * target-reloc.h (relocate_section): Update to use
3345         gold_undefined_symbol_at_location.
3346         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3347         Call gold_undefined_symbol function rather than gold_error.
3348         * errors.h (Errors::undefined_symbol): Take location as a
3349         string, rather than calculating it from a relocation.
3350         * errors.cc (Errors::fatal): Print "fatal error:" before the
3351         formatted message.
3352         (Errors::error, Errors::error_at_location): Print "error: "
3353         before the formatted message.
3354         (Errors::undefined_symbol): Take location as a string, rather
3355         than calculating it from a relocation.
3356         (gold_undefined_symbol_at_location): New function akin to
3357         old gold_undefined_symbol, calculates location from relocation.
3358         (gold_undefined_symbol): Change to take only a Symbol pointer
3359         and to report location as the file name associated with the symbol.
3360         * testsuite/debug_msg.sh: Update for changed error messages.
3361         * testsuite/undef_symbol.sh: Likewise.
3362
3363 2009-02-04  Duncan Sands  <baldrick@free.fr>
3364
3365         PR 9812
3366         * reduced_debug_output.h
3367         (Output_reduced_debug_abbrev_section::failed): Use format for
3368         gold_warning.
3369         (Output_reduced_debug_info_section::faild): Likewise.
3370
3371 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
3372
3373         * script.cc (Lazy_demangler): New class.
3374         (Version_script_info::get_symbol_version_helper): Demangle a
3375         symbol only once.
3376
3377 2009-01-29  Cary Coutant  <ccoutant@google.com>
3378
3379         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3380         to __tls_get_addr.
3381         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3382
3383 2009-01-28  Ian Lance Taylor  <iant@google.com>
3384
3385         * version.cc (version_string): Bump to 1.9.
3386
3387         * gold.h: Include <cstring> and <stdint.h>.
3388         * version.cc: Include <cstdio>.
3389         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3390         warning.
3391         * reduced_debug_output.cc (insert_into_vector): Rename from
3392         Insert_into_vector; change all callers.  Use Swap_unaligned to
3393         avoid aliasing issue; remove union since it is unnecessary.
3394
3395 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
3396
3397         * Makefile.am (CCFILES): Add gc.cc.
3398         (HFILES): Add gc.h.
3399         * Makefile.in: Regenerate.
3400         * gold.cc (Gc_runner): New class.
3401         (queue_initial_tasks): Call garbage collection related tasks
3402         when corresponding options are invoked.
3403         (queue_middle_gc_tasks): New function.
3404         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3405         processed early before laying out sections during garbage collection.
3406         * gold.h (queue_middle_gc_tasks): New function.
3407         (is_prefix_of): Move from "layout.cc".
3408         * i386.cc (Target_i386::gc_process_relocs): New function.
3409         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3410         * main.cc (main): Create object of class "Garbage_collection".
3411         * object.cc (Relobj::copy_symbols_data): New function.
3412         (Relobj::is_section_name_included): New function.
3413         (Sized_relobj::do_layout): Allow this function to be called twice
3414         during garbage collection and defer layout of section during the
3415         first call.
3416         * object.h (Relobj::get_symbols_data): New function.
3417         (Relobj::is_section_name_included): New function.
3418         (Relobj::copy_symbols_data): New function.
3419         (Relobj::set_symbols_data): New function.
3420         (Relobj::get_relocs_data): New function.
3421         (Relobj::set_relocs_data): New function.
3422         (Relobj::is_output_section_offset_invalid): New pure virtual function.
3423         (Relobj::gc_process_relocs): New function.
3424         (Relobj::do_gc_process_relocs): New pure virtual function.
3425         (Relobj::sd_): New data member.
3426         (Sized_relobj::is_output_section_offset_invalid): New function.
3427         (Sized_relobj::do_gc_process_relocs): New function.
3428         * options.h (General_options::gc_sections): Modify to not be a no-op.
3429         (General_options::print_gc_sections): New option.
3430         * plugin.cc (Plugin_finish::run): Remove function call to
3431         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
3432         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3433         * reloc.cc (Read_relocs::run): Add task to process relocs and
3434         determine unreferenced sections when doing garbage collection.
3435         (Gc_process_relocs): New class.
3436         (Sized_relobj::do_gc_process_relocs): New function.
3437         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3438         sections that are garbage collected.
3439         * reloc.h (Gc_process_relocs): New class.
3440         * sparc.cc (Target_sparc::gc_process_relocs): New function.
3441         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3442         symbols whose corresponding sections are garbage collected.
3443         (Symbol_table::Symbol_table): Add new parameter for the garbage
3444         collection object.
3445         (Symbol_table::gc_mark_undef_symbols): New function.
3446         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3447         (Symbol_table::gc_mark_dyn_syms): New function.
3448         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3449         as garbage.
3450         (Symbol_table::add_from_object): Likewise.
3451         (Symbol_table::add_from_relobj): When building shared objects, do not
3452         treat externally visible symbols as garbage.
3453         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3454         table information for static and relocatable links.
3455         * symtab.h (Symbol_table::set_gc): New function.
3456         (Symbol_table::gc): New function.
3457         (Symbol_table::gc_mark_undef_symbols): New function.
3458         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3459         (Symbol_table::gc_mark_dyn_syms): New function.
3460         (Symbol_table::gc_): New data member.
3461         * target.h (Sized_target::gc_process_relocs): New pure virtual
3462         function.
3463         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3464         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3465
3466 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
3467
3468         * options.h (General_options::gc_sections): Define as a no-op for now.
3469         (General_options::no_keep_memory): Ditto.
3470         (General_options::Bshareable): Define.
3471         * options.cc (General_options::finalize): Honor -Bshareable.
3472
3473 2009-01-20  Andreas Schwab  <schwab@suse.de>
3474
3475         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3476         read the value in the contents, since we don't use it.  Use the
3477         template endianness when writing.
3478         (Relocate::relocate): Use it for R_PPC_REL16_HA.
3479
3480 2009-01-19  Andreas Schwab  <schwab@suse.de>
3481
3482         * configure.tgt (powerpc64-*): Fix targ_obj.
3483
3484 2009-01-15  Ian Lance Taylor  <iant@google.com>
3485
3486         * object.cc (Sized_relobj::write_local_symbols): Don't write out
3487         local symbols when stripping all symbols.
3488
3489 2009-01-14  Cary Coutant  <ccoutant@google.com>
3490
3491         * output.cc (Output_reloc): Add explicit instantiations.
3492
3493 2009-01-14  Cary Coutant  <ccoutant@google.com>
3494
3495         * archive.cc (Archive::get_elf_object_for_member): Remove call
3496         to File_read::claim_for_plugin.
3497         * descriptors.cc (Descriptors::open): Remove reference to
3498         is_claimed.
3499         (Descriptors::claim_for_plugin): Remove.
3500         * descriptors.h (Descriptors::claim_for_plugin): Remove.
3501         (Descriptors::is_claimed): Remove.
3502         (claim_descriptor_for_plugin): Remove.
3503         * fileread.cc (File_read::claim_for_plugin): Remove.
3504         * fileread.h (File_read::claim_for_plugin): Remove.
3505         (File_read::descriptor): Reopen descriptor if necessary.
3506         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
3507         (Plugin_manager::all_symbols_read): Add task parameter. Change
3508         all callers.
3509         (Plugin_manager::get_input_file): New function.
3510         (Plugin_manager::release_input_file): New function.
3511         (Pluginobj::Pluginobj): Add filesize parameter and initialize
3512         corresponding data member.
3513         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
3514         and pass to base constructor. Change all callers.
3515         (get_input_file, release_input_file): New functions.
3516         (make_sized_plugin_object): Add filesize parameter. Change all callers.
3517         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
3518         (Plugin_manager::all_symbols_read): Add task parameter.
3519         (Plugin_manager::get_input_file): New function.
3520         (Plugin_manager::release_input_file): New function.
3521         (Plugin_manager::task_): New data member.
3522         (Pluginobj::Pluginobj): Add filesize parameter.
3523         (Pluginobj::filename): New function.
3524         (Pluginobj::descriptor): New function.
3525         (Pluginobj::filesize): New function.
3526         (Pluginobj::filesize_): New data member.
3527         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
3528         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
3529         File_read::claim_for_plugin; use Object::unlock to unlock the file.
3530
3531         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
3532         with archive libraries.
3533         * testsuite/Makefile.in: Regenerate.
3534         * testsuite/plugin_test.c (struct sym_info): New type.
3535         (get_input_file, release_input_file): New static variables.
3536         (onload): Capture new transfer vector entries.
3537         (claim_file_hook): Stop reading at end of file according to filesize.
3538         Factor out parsing of readelf output into separate function.
3539         (all_symbols_read_hook): Exercise get_input_file and release_input_file
3540         APIs and get the source file name from the symbol table.  Convert
3541         source file name to corresponding object file name.  Print info
3542         message when adding new input files.
3543         (parse_readelf_line): New function.
3544         * testsuite/plugin_test_1.sh: Add checks for new info messages.
3545         * testsuite/plugin_test_2.sh: Likewise.
3546         * testsuite/plugin_test_3.sh: Likewise.
3547         * testsuite/plugin_test_4.sh: New test case.
3548
3549 2009-01-07  Ian Lance Taylor  <iant@google.com>
3550
3551         * version.cc (version_string): Bump to 1.8.
3552
3553 2008-12-23  Cary Coutant  <ccoutant@google.com>
3554
3555         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
3556         * plugin.cc (Plugin_manager::finish): Rename as
3557         layout_deferred_objects.  Move cleanup to separate function.
3558         (Plugin_manager::cleanup): New function.
3559         (Plugin_finish::run): Call layout_deferred_objects and cleanup
3560         separately.
3561         * plugin.h (Plugin_manager::finish): Rename as
3562         layout_deferred_objects.
3563         (Plugin_manager::cleanup): New function.
3564         (Plugin_manager::cleanup_done): New field.
3565
3566 2008-12-23  Cary Coutant  <ccoutant@google.com>
3567
3568         * plugin.cc (is_visible_from_outside): New function.
3569         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
3570         so we don't return "IR only" status for exported symbols or -r links.
3571
3572         * testsuite/Makefile.am (plugin_test_3): New test case.
3573         * testsuite/Makefile.in: Regenerate.
3574         * testsuite/plugin_test_3.sh: New file.
3575
3576 2008-12-22  Cary Coutant  <ccoutant@google.com>
3577
3578         * object.cc (Sized_relobj::layout_section): New function.
3579         (Sized_relobj::do_layout): Defer layout of input sections until after
3580         plugin has provided replacement files.
3581         (Sized_relobj::do_layout_deferred_sections): New function.
3582         * object.h (Relobj::set_section_offset): Remove virtual keyword.
3583         (Relobj::layout_deferred_sections): New function.
3584         (Relobj::do_layout_deferred_sections): New function.
3585         (Sized_relobj::do_layout_deferred_sections): New function.
3586         (Sized_relobj::layout_section): New function.
3587         (Sized_relobj::Deferred_layout): New structure.
3588         (Sized_relobj::deferred_layout_): New field.
3589         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
3590         Change all callers.  Layout deferred sections.
3591         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
3592         references.
3593         (Plugin_hook::run): Move code from do_plugin_hook inline.
3594         (Plugin_hook::do_plugin_hook): Remove.
3595         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
3596         (Plugin_manager::finish): Renamed, was cleanup.
3597         (Plugin_manager::should_defer_layout): New function.
3598         (Plugin_manager::add_deferred_layout_object): New function.
3599         (Plugin_manager::Deferred_layout_list): New type.
3600         (Plugin_manager::deferred_layout_objects_): New field.
3601         (Plugin_hook::do_plugin_hook): Remove.
3602
3603 2008-12-17  Ian Lance Taylor  <iant@google.com>
3604
3605         * options.h (class General_options): Add --no case for
3606         --export-dynamic.
3607
3608 2008-12-16  Cary Coutant  <ccoutant@google.com>
3609
3610         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3611         vector.
3612         (Plugin_manager::claim_file): Create plugin object even if
3613         plugin did not call the add_symbols callback.
3614         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3615         asking for more symbols than were added.
3616         * testsuite/Makefile.am (plugin_test_1): Add test case with
3617         no global symbols.
3618         (empty.syms): New target.
3619         * testsuite/Makefile.in: Regenerate.
3620         * testsuite/plugin_test.c (claim_file_hook): Add new debug
3621         message. Don't call add_symbols if no globals.
3622         (all_symbols_read_hook): Don't provide replacement for empty
3623         claimed file.
3624
3625 2008-12-12  Ian Lance Taylor  <iant@google.com>
3626
3627         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3628         r_type == 0 for a local symbol with r_sym == 0.
3629         (scan_relocatable_relocs): Pass r_sym to
3630         local_non_section_strategy.
3631         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3632         r_sym parameter.
3633
3634         * configure.ac: Update test for TLS descriptors: they are
3635         supported as of glibc 2.9.
3636         * configure: Rebuild.
3637
3638 2008-12-11  Ian Lance Taylor  <iant@google.com>
3639
3640         PR 7091
3641         * target-reloc.h (Default_scan_relocatable_relocs): For each
3642         function, map r_type == 0 to RELOC_DISCARD.
3643
3644 2008-12-10  Cary Coutant  <ccoutant@google.com>
3645
3646         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3647         object to override a kept COMDAT group from a plugin object.
3648
3649 2008-12-09  Ian Lance Taylor  <iant@google.com>
3650
3651         PR 7088
3652         * yyscript.y (file_cmd): Handle INPUT.
3653
3654         * testsuite/initpri1.c: Change all declarations to be full
3655         prototypes by adding void, to avoid compiler warnings.
3656
3657 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
3658
3659         * options.cc (General_options::parse_plugin_opt): New.
3660         (General_options::add_plugin): The argument now is just the filename.
3661         (General_options::add_plugin_option): New.
3662         * options.h (plugin_opt): New.
3663         (add_plugin): Change argument name.
3664         (add_plugin_option): New.
3665         * plugin.cc (Plugin::load): Don't parse the plugin option.
3666         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3667         (Plugin::add_option): New.
3668         (Plugin::args_): Change type.
3669         (Plugin::filename_): New.
3670         (Plugin_manager::add_plugin_option): New.
3671         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3672         * testsuite/Makefile.in: Regenerate.
3673
3674 2008-12-05  Cary Coutant  <ccoutant@google.com>
3675
3676         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3677         Handle --strip-lto-sections option.
3678         * options.h (strip_lto_sections): New option.
3679
3680 2008-12-01  Cary Coutant  <ccoutant@google.com>
3681
3682         * plugin.cc (ld_plugin_message): Change format parameter to const.
3683         Fix mismatch between new[] and delete.
3684
3685 2008-11-14  Cary Coutant  <ccoutant@google.com>
3686
3687         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3688         instead of -1U.
3689
3690 2008-11-05  Craig Silverstein  <csilvers@google.com>
3691
3692         * options.cc (General_options::parse_dynamic_list): New function.
3693         * options.h (General_options): New flags dynamic_list,
3694         dynamic_list_data, dynamic_list_cpp_new, and
3695         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
3696         (General_options::in_dynamic_list): New function.
3697         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3698         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3699         (Lex::can_continue_name): Likewise.
3700         (yylex): Likewise.
3701         (read_script_file): New parameter script_options.
3702         (read_dynamic_list): New function.
3703         (Script_options::define_dynamic_list): New function.
3704         (dynamic_list_keyword_parsecodes): New variable.
3705         (dynamic_list_keywords): New variable.
3706         * script.h (Script_options::define_dynamic_list): New function
3707         prototype.
3708         (read_dynamic_list): New function prototype.
3709         * symtab.cc (strprefix): New macro.
3710         (Symbol::should_add_dynsym_entry): Support dynamic_list,
3711         dynamic_list_data, dynamic_list_cpp_new, and
3712         dynamic_list_cpp_typeinfo.
3713         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3714         (dynamic_list_expr): New rule.
3715         (dynamic_list_nodes): Likewise.
3716         (dynamic_list_node): Likewise.
3717         * testsuite/Makefile.am (dynamic_list): New test.
3718         * testsuite/Makefile.in: Regenerated.
3719         * testsuite/dynamic_list.t: New file.
3720         * testsuite/dynamic_list.sh: New file.
3721
3722 2008-11-05  Craig Silverstein  <csilvers@google.com>
3723
3724         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3725         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3726         (t11_last): Likewise.
3727         * testsuite/ver_test_6.c (main): Likewise.
3728
3729 2008-10-07  Cary Coutant  <ccoutant@google.com>
3730
3731         * options.c (General_options::finalize): Add check for -static and
3732         -shared.
3733         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3734         is not empty.
3735
3736 2008-10-02  Cary Coutant  <ccoutant@google.com>
3737
3738         * plugin.cc (make_sized_plugin_object): Fix conditional
3739         compilation to work when not all targets are enabled.
3740
3741 2008-09-29  Cary Coutant  <ccoutant@google.com>
3742
3743         * archive.cc (Archive::get_file_and_offset): Use filename instead
3744         of name to get library path.
3745         (Archive::include_member): Unlock external member of a thin archive.
3746
3747         * testsuite/Makefile.am (TEST_AR): New variable.
3748         (thin_archive_test_1): New test.
3749         (thin_archive_test_2): New test.
3750         * testsuite/Makefile.in: Regenerate.
3751         * testsuite/thin_archive_main.cc: New file.
3752         * testsuite/thin_archive_test_1.cc: New file.
3753         * testsuite/thin_archive_test_2.cc: New file.
3754         * testsuite/thin_archive_test_3.cc: New file.
3755         * testsuite/thin_archive_test_4.cc: New file.
3756
3757 2008-09-29  Cary Coutant  <ccoutant@google.com>
3758
3759         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3760         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3761         instead of -1U.
3762         (Sized_relobj::do_finalize_local_symbols): Likewise.
3763         (Sized_relobj::map_to_kept_section): Likewise.
3764         * object.h (Sized_relobj::invalid_address): New constant.
3765         (Sized_relobj::do_output_section_offset): Check for invalid_address
3766         and return -1ULL.
3767         * output.cc (Output_reloc::local_section_offset): Use constant
3768         invalid_address instead of -1U.
3769         (Output_reloc::get_address): Likewise.
3770         (Output_section::output_address): Change -1U to -1ULL.
3771         * output.h (Output_reloc::invalid_address): New constant.
3772         * reloc.cc (Sized_relobj::write_sections): Use constant
3773         invalid_address instead of -1U.
3774         (Sized_relobj::relocate_sections): Likewise.
3775         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3776         values for merge sections.
3777         * target-reloc.h (relocate_for_relocatable): Use constant
3778         invalid_address instead of -1U.
3779
3780 2008-09-19  Cary Coutant  <ccoutant@google.com>
3781
3782         Add plugin functionality for link-time optimization (LTO).
3783         * configure.ac (plugins): Add --enable-plugins option.
3784         * configure: Regenerate.
3785         * config.in: Regenerate.
3786         * Makefile.am (LIBDL): New variable.
3787         (CCFILES): Add plugin.cc.
3788         (HFILES): Add plugin.h.
3789         (ldadd_var): Add LIBDL.
3790         * Makefile.in: Regenerate.
3791
3792         * archive.cc: Include "plugin.h".
3793         (Archive::setup): Don't preread archive symbols when using a plugin.
3794         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
3795         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3796         files.
3797         (Archive::include_member): Add symbols from plugin objects.
3798         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3799         * descriptors.cc (Descriptors::open): Check for file descriptors
3800         abandoned by plugins.
3801         (Descriptors::claim_for_plugin): New function.
3802         * descriptors.h (Descriptors::claim_for_plugin): New function.
3803         (Open_descriptor::is_claimed): New field.
3804         (claim_descriptor_for_plugin): New function.
3805         * fileread.cc (File_read::claim_for_plugin): New function.
3806         * fileread.h (File_read::claim_for_plugin): New function.
3807         (File_read::descriptor): New function.
3808         * gold.cc: Include "plugin.h".
3809         (queue_initial_tasks): Add task to call plugin hooks for generating
3810         new object files.
3811         * main.cc: Include "plugin.h".
3812         (main): Load plugin libraries.
3813         * object.h (Pluginobj): Declare.
3814         (Object::pluginobj): New function.
3815         (Object::do_pluginobj): New function.
3816         (Object::set_target): New function.
3817         * options.cc: Include "plugin.h".
3818         (General_options::parse_plugin): New function.
3819         (General_options::General_options): Initialize plugins_ field.
3820         (General_options::add_plugin): New function.
3821         * options.h (Plugin_manager): Declare.
3822         (General_options): Add --plugin option.
3823         (General_options::has_plugins): New function.
3824         (General_options::plugins): New function.
3825         (General_options::add_plugin): New function.
3826         (General_options::plugins_): New field.
3827         * plugin.cc: New file.
3828         * plugin.h: New file.
3829         * readsyms.cc: Include "plugin.h".
3830         (Read_symbols::do_read_symbols): Check for archive before checking
3831         for ELF file.  Call plugin hooks to claim files.
3832         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3833         from a real object file; force override when processing replacement
3834         files.
3835         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3836         (Symbol::init_base_object): Likewise.
3837         (Symbol::init_base_output_data): Likewise.
3838         (Symbol::init_base_output_segment): Likewise.
3839         (Symbol::init_base_constant): Likewise.
3840         (Symbol::init_base_undefined): Likewise.
3841         (Symbol::output_section): Assert that object is not a plugin.
3842         (Symbol_table::add_from_pluginobj): New function.
3843         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3844         undefined.
3845         (Symbol_table::sized_write_globals): Likewise.
3846         (Symbol_table::add_from_pluginobj): Instantiate template.
3847         * symtab.h (Sized_pluginobj): Declare.
3848         (Symbol::in_real_elf): New function.
3849         (Symbol::set_in_real_elf): New function.
3850         (Symbol::in_real_elf_): New field.
3851         (Symbol_table::add_from_pluginobj): New function.
3852
3853         * testsuite/Makefile.am (AM_CFLAGS): New variable.
3854         (LIBDL): New variable.
3855         (LDADD): Add LIBDL.
3856         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3857         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3858         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3859         (MOSTLYCLEANFILES): Likewise.
3860         * testsuite/Makefile.in: Regenerate.
3861         * testsuite/plugin_test.c: New file.
3862         * testsuite/plugin_test_1.sh: New file.
3863         * testsuite/plugin_test_2.sh: New file.
3864
3865 2008-09-16  Ian Lance Taylor  <iant@google.com>
3866
3867         * target-reloc.h (relocate_section): Check whether a symbol is
3868         defined by the ABI before reporting an undefined symbol error.
3869         * target.h (Target::is_defined_by_abi): Make parameter const.
3870         (Target::do_is_defined_by_abi): Likewise.
3871         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3872         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3873         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3874         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3875         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3876         * testsuite/Makefile.in: Rebuild.
3877
3878         * fileread.cc (make_view): Add casts to avoid warning.
3879
3880 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3881
3882         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3883         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3884
3885 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3886
3887         * options.h (General_options::output_is_executable): New.
3888         (General_options::output_is_pie): New.
3889         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3890         for shared libraries.
3891         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3892
3893 2008-09-11  Chris Demetriou  <cgd@google.com>
3894
3895         * options.h (origin): New -z option.
3896         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3897         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3898         in DT_FLAGS_1.
3899
3900 2008-09-05  Cary Coutant  <ccoutant@google.com>
3901
3902         * fileread.cc (File_read::make_view): Add check for attempt to map
3903         beyond end of file.
3904
3905 2008-09-05  Cary Coutant  <ccoutant@google.com>
3906
3907         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3908         explicit instantiations.
3909
3910 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
3911
3912         PR gold/6858
3913         * options.cc (General_options::finalize): Allow undefined symbols
3914         in shlibs if linking -shared.
3915
3916         PR gold/6859
3917         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3918         symbols as not needing a dynsym entry.
3919
3920 2008-08-20  Craig Silverstein  <csilvers@google.com>
3921
3922         * fileread.cc (File_read::open): Do not lock the file unless it
3923         was successfully opened.
3924
3925 2008-08-14  Cary Coutant  <ccoutant@google.com>
3926
3927         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3928         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3929         * testsuite/tls_test.cc (struct int128): 128-bit struct
3930         for testing TLS relocs with non-zero addend.
3931         (v12): New TLS variable.
3932         (t12): New test.
3933         (t_last): Add check for v12.
3934         * testsuite/tls_test.h (t12): New function.
3935         * testsuite/tls_test_main.cc (thread_routine): Call new test.
3936
3937 2008-08-13  Ian Lance Taylor  <iant@google.com>
3938
3939         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3940         set tls_segment_ or relro_segment_.
3941         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3942         when appropriate.
3943         * output.h (Output_section::clear_is_relro): New function.
3944         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3945         sections specially even when output_data_ is empty.
3946         (Output_segment::maximum_alignment): When first section is relro,
3947         only force alignment for PT_LOAD segments.
3948         * script.cc (script_data_segment_align): New function.
3949         (script_data_segment_relro_end): New function.
3950         * script-c.h (script_data_segment_align): Declare.
3951         (script_data_segment_relro_end): Declare.
3952         * script-sections.h (class Script_sections): Declare
3953         data_segment_align and data_segment_relro_end.  Add fields
3954         segment_align_index_ and saw_relro_end_.
3955         * script-sections.cc (class Sections_element): Add set_is_relro
3956         virtual function.  Add new bool* parameter to place_orphan_here.
3957         Add get_output_section virtual function.
3958         (class Output_section_definition): Add set_is_relro.  Add new
3959         bool* parameter to place_orphan_here.  Add get_output_section.
3960         Add is_relro_ field.
3961         (Output_section_definition::Output_section_definition): Initialize
3962         evaluated_address_, evaluated_load_address, evaluated_addralign_,
3963         and is_relro_ fields.
3964         (Output_section_definition::place_orphan_here): Add is_relro
3965         parameter.
3966         (Output_section_definition::set_section_addresses): Set relro for
3967         output section.
3968         (Output_section_definition::alternate_constraint): Likewise.
3969         (class Orphan_output_section): Add new bool* parameter to
3970         place_orphan_here.  Add get_output_section.
3971         (Orphan_output_section::place_orphan_here): Add is_relro
3972         parameter.
3973         (Script_sections::Script_sections): Initialize
3974         data_segment_align_index_ and saw_relro_end_.
3975         (Script_sections::data_segment_align): New function.
3976         (Script_sections::data_segment_relro_end): New function.
3977         (Script_sections::place_orphan): Set or clear is_relro.
3978         (Script_sections::set_section_addresses): Force alignment of first
3979         TLS section.
3980         * yyscript.y (exp): Call script_data_segment_align and
3981         script_data_segment_relro_end.
3982         * testsuite/relro_script_test.t: New file.
3983         * testsuite/relro_test.cc (using_script): Declare.
3984         (t1, t2): Test using_script.
3985         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3986         (relro_script_test_SOURCES): Define.
3987         (relro_script_test_DEPENDENCIES): Define.
3988         (relro_script_test_LDFLAGS): Define.
3989         (relro_script_test_LDADD): Define.
3990         (relro_script_test.so): New target.
3991         * testsuite/Makefile.in: Rebuild.
3992
3993 2008-08-06  Cary Coutant <ccoutant@google.com>
3994
3995         * archive.cc (Archive::total_archives, Archive::total_members)
3996         (Archive::total_members_loaded): New variables.
3997         (Archive::setup): Add parameter.  Add option to preread
3998         archive symbols.
3999         (Archive::read_armap): Add counter.
4000         (Archive::get_file_and_offset): New function.
4001         (Archive::get_elf_object_for_member): New function.
4002         (Archive::read_all_symbols): New function.
4003         (Archive::read_symbols): New function.
4004         (Archive::add_symbols): Add counters.
4005         (Archive::include_all_members): Use armap to find members if it's
4006         already built.
4007         (Archive::include_member): Skip reading symbols if already read.
4008         Factored code into Archive::get_file_and_offset and
4009         Archive::get_elf_object_for_member.  Changed call to
4010         Mapfile::report_include_archive_member.
4011         (Archive::print_stats): New function.
4012         * archive.h: Declare Object and Read_symbols_data classes.
4013         (Archive::Archive): Add initializers for new members.
4014         (Archive::setup): Add parameter.
4015         (Archive::print_stats): New function.
4016         (Archive::total_archives, Archive::total_members)
4017         (Archive::total_members_loaded): New variables.
4018         (Archive::get_file_and_offset): New function.
4019         (Archive::get_elf_object_for_member): New function.
4020         (Archive::read_all_symbols): New function.
4021         (Archive::read_symbols): New function.
4022         (Archive::Archive_member): New class.
4023         (Archive::members_): New member.
4024         (Archive::num_members_): New member.
4025         * main.cc: Include archive.h.
4026         (main): Call Archive::print_stats.
4027         * mapfile.cc (Mapfile::report_include_archive_member): Delete
4028         archive parameter; member_name is now the fully-decorated name.
4029         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
4030         * options.h: (General_options): Add --preread-archive-symbols option.
4031         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
4032         Archive::setup.
4033
4034 2008-08-04  Ian Lance Taylor  <iant@google.com>
4035
4036         * symtab.h (Symbol::use_plt_offset): New function.
4037         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
4038         * powerpc.cc (Relocate::relocate): Likewise.
4039         * sparc.cc (Relocate::relocate): Likewise.
4040         * x86_64.cc (Relocate::relocate): Likewise.
4041         * testsuite/weak_plt.sh: New test.
4042         * testsuite/weak_plt_main.cc: New test.
4043         * testsuite/weak_plt_shared.cc: New test.
4044         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
4045         (check_PROGRAMS): Add weak_plt.
4046         (check_DATA): Add weak_plt_shared.so.
4047         (weak_plt_main_pic.o, weak_plt): New targets.
4048         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
4049         * testsuite/Makefile.in: Rebuild.
4050
4051         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
4052         gcctestdir/ld.
4053         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
4054         * testsuite/Makefile.in: Rebuild.
4055
4056 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
4057
4058         * Makefile.am (POTFILES.in): Set LC_ALL=C.
4059         * Makefile.in: Regenerate.
4060         * po/POTFILES.in: Regenerate.
4061
4062 2008-07-29  Ian Lance Taylor  <iant@google.com>
4063
4064         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
4065         symbols before other symbols.
4066         * testsuite/script_test_2.cc (test_addr): Declare.
4067         (test_addr_alias): Declare.
4068         (main): Check that test_addr and test_addr_alias have the right
4069         values.
4070         * testsuite/script_test_2.t: Define test_addr_alias and
4071         test_addr.
4072
4073 2008-07-24  Ian Lance Taylor  <iant@google.com>
4074
4075         PR 5990
4076         * descriptors.cc: New file.
4077         * descriptors.h: New file.
4078         * gold-threads.h (class Hold_optional_lock): New class.
4079         * fileread.cc: Include "descriptors.h".
4080         (File_read::~File_read): Release descriptor rather than closing
4081         it.
4082         (File_read::open) [file]: Call open_descriptor rather than open.
4083         Set is_descriptor_opened_.
4084         (File_read::open) [memory]: Assert that descriptor is not open.
4085         (File_read::reopen_descriptor): New function.
4086         (File_read::release): Release descriptor.
4087         (File_read::do_read): Make non-const.  Reopen descriptor.
4088         (File_read::read): Make non-const.
4089         (File_read::make_view): Reopen descriptor.
4090         (File_read::do_readv): Likewise.
4091         * fileread.h (class File_read): Add is_descriptor_opened_ field.
4092         Update declarations.
4093         * layout.cc: Include "descriptors.h".
4094         (Layout::create_build_id): Use open_descriptor rather than open.
4095         * output.cc: Include "descriptors.h".
4096         (Output_file::open): Use open_descriptor rather than open.
4097         * archive.cc (Archive::const_iterator): Change Archive to be
4098         non-const.
4099         (Archive::begin, Archive::end): Make non-const.
4100         (Archive::count_members): Likewise.
4101         * archive.h (class Archive): Update declarations.
4102         * object.h (Object::read): Make non-const.
4103         * Makefile.am (CCFILES): Add descriptors.cc.
4104         (HFILES): Add descriptors.h.
4105         * Makefile.in: Rebuild.
4106
4107         PR 6716
4108         * gold.h: Always include <clocale>.  Add Solaris workarounds
4109         following code in binutils/sysdep.h.
4110
4111         PR 6048
4112         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
4113         this->eh_frame_hdr_ is NULL before using it.
4114
4115         * dynobj.cc (Versions::Versions): Update comment.
4116
4117         * dynobj.cc (Versions::Versions): If there is an soname, use it as
4118         the base version name.
4119
4120         * stringpool.cc (Stringpool_template::add_with_length): Set key to
4121         array size plus one.
4122         (Stringpool_template::set_string_offsets): Subtract one from key
4123         before using it as an array index.
4124         (Stringpool_template::get_offset_with_length): Likewise.
4125         (Stringpool_template::write_to_buffer): Likewise.
4126         * stringpool.h (Stringpool_template::get_offset_from_key):
4127         Likewise.
4128
4129 2008-07-23  Ian Lance Taylor  <iant@google.com>
4130
4131         PR 6658
4132         * object.h (Merged_symbol_value::value): Do our best to handle a
4133         negative addend.
4134
4135         PR 6647
4136         * script.cc (Version_script_info::get_versions): Don't add empty
4137         version tag to return value.
4138         (Version_script_info::get_symbol_version_helper): Change return
4139         type to bool.  Add pversion parameter.  Change all callers.
4140         (script_register_vers_node): Don't require a non-NULL tag.
4141         * script.h (class Version_script_info): Update declarations.
4142         (Version_script_info::get_symbol_version): Change return type to
4143         bool.  Add version parameter.  Change all callers.
4144         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
4145         handling.  Handle an empty version from a version script.
4146         (Symbol_table::define_special_symbol): Likewise.
4147         * testsuite/ver_test_10.script: New file.
4148         * testsuite/ver_test_10.sh: New file.
4149         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
4150         (check_DATA): Add ver_test_10.syms.
4151         (ver_test_10.syms, ver_test_10.so): New target.
4152         * testsuite/Makefile.in: Rebuild.
4153
4154 2008-07-23  Simon Baldwin  <simonb@google.com>
4155
4156         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
4157         to zero for undefined symbols from dynamic libraries.
4158
4159 2008-07-23  Ian Lance Taylor  <iant@google.com>
4160
4161         * symtab.cc (Symbol_table::resolve): Remove version parameter.
4162         Change all callers.
4163         * symtab.h (class Symbol_table): Update declaration.
4164         * testsuite/ver_test_9.cc: New file.
4165         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
4166         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
4167         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
4168         (ver_test_9.so, ver_test_9.o): New targets.
4169         * testsuite/Makefile.in: Rebuild.
4170
4171 2008-07-22  Ian Lance Taylor  <iant@google.com>
4172
4173         * options.h (class General_options): Define --check-sections.
4174         * layout.cc (Layout::set_segment_offsets): Handle
4175         --check-sections.
4176
4177         * options.h (class General_options): Define -n/--nmagic and
4178         -N/--omagic.
4179         * options.cc (General_options::finalize): For -n/--nmagic or
4180         -N/--omagic, set -static.
4181         * layout.cc (Layout::attach_allocated_section_to_segment): If
4182         -N/--omagic, don't put read-only and read-write sections in
4183         different segments.
4184         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
4185         finding a read-only segment.
4186         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
4187         don't set the minimum segment alignment to the common page size,
4188         and don't set the file offset to the address modulo the page size.
4189         * script-sections.cc (Script_sections::create_segments): If
4190         -n/--omagic, don't put read-only and read-write sections in
4191         different segments.
4192
4193         * cref.cc: New file.
4194         * cref.h: New file.
4195         * options.h (class General_options): Add --print-symbol-counts.
4196         * main.cc (main): Issue defined symbol report if requested.
4197         * archive.cc (Archive::interpret_header): Make into a const member
4198         function.
4199         (Archive::add_symbols): Call Input_objects::archive_start and
4200         archive_stop.
4201         (Archive::const_iterator): Define new class.
4202         (Archive::begin, Archive::end): New functions.
4203         (Archive::include_all_members): Rewrite to use iterator.
4204         (Archive::count_members): New function.
4205         * archive.h (class Archive): Update declarations.
4206         (Archive::filename): New function.
4207         * object.cc: Include "cref.h".
4208         (Sized_relobj::Sized_relobj): Initialize defined_count_.
4209         (Sized_relobj::do_get_global_symbol_counts): New function.
4210         (Input_objects::add_object): Add object to cross-referencer.
4211         (Input_objects::archive_start): New function.
4212         (Input_objects::archive_stop): New function.
4213         (Input_objects::print_symbol_counts): New function.
4214         * object.h: Declare Cref and Archive.
4215         (Object::get_global_symbol_counts): New function.
4216         (Object::do_get_global_symbol_counts): New pure virtual function.
4217         (class Sized_relobj): Add defined_count_ field.  Update
4218         declarations.
4219         (class Input_objects): Add cref_ field.  Update constructor.
4220         Update declarations.
4221         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
4222         defined_count_.
4223         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
4224         symbol counts.
4225         (Sized_dynobj::do_get_global_symbol_counts): New function.
4226         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
4227         defined_count_.  Update declarations.  Define Symbols typedef.
4228         * symtab.cc (Symbol_table::add_from_relobj): Add defined
4229         parameter.  Change all callers.
4230         (Symbol_table::add_from_dynobj): Add sympointers and defined
4231         parameters.  Change all callers.
4232         * symtab.h (class Symbol_table): Update declarations.
4233         * Makefile.am (CCFILES): Add cref.cc.
4234         (HFILES): Add cref.h.
4235         * Makefile.in: Rebuild.
4236
4237 2008-07-22  Simon Baldwin  <simonb@google.com>
4238
4239         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
4240         to zero when writing undefined symbols.
4241
4242 2008-07-22  Ian Lance Taylor  <iant@google.com>
4243
4244         * output.cc (Output_section::add_input_section): Don't try to
4245         merge empty merge sections.
4246
4247 2008-07-21  Craig Silverstein  <csilvers@google.com>
4248
4249         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4250         Include symbol version in error message.
4251
4252 2008-07-20  Chris Demetriou  <cgd@google.com>
4253
4254         * configure.ac (gold_cv_c_random_seed): New configured variable.
4255         (RANDOM_SEED_CFLAGS): New substituted variable.
4256         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
4257         * configure: Rebuild.
4258         * Makefile.in: Likewise.
4259         * testsuite/Makefile.in: Likewise.
4260
4261 2008-07-18  Ian Lance Taylor  <iant@google.com>
4262
4263         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
4264         where we see NAME/NULL and NAME/VERSION  as separate symbols.
4265         * testsuite/ver_test_main.cc (main): Call t4.
4266         (t4, t4_2a): Define.
4267         * testsuite/ver_test_2.cc (t4_2): Define.
4268         * testsuite/ver_test_2.script: Put t4_2a in VER2.
4269         * testsuite/ver_test_4.cc (t4_2a): Define.
4270         * testsuite/ver_test_4.script: Put t4_2a in VER2.
4271         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
4272
4273 2008-07-17  Ian Lance Taylor  <iant@google.com>
4274
4275         * dynobj.cc (Versions::add_def): If we give an error about a
4276         missing version, go ahead and create the version anyhow.
4277
4278 2008-07-10  Ian Lance Taylor  <iant@google.com>
4279
4280         Handle output sections with more than 0x7fffffff bytes.
4281         * object.h (class Relobj): Change map_to_output_ to
4282         output_sections_, and just keep a section pointer.  Change all
4283         uses.  Move comdat group support to Sized_relobj.
4284         (Relobj::is_section_specially_mapped): Remove.
4285         (Relobj::output_section): Remove poff parameter.  Change all
4286         callers.
4287         (Relobj::output_section_offset): New function.
4288         (Relobj::set_section_offset): Rewrite.
4289         (Relobj::map_to_output): Remove.
4290         (Relobj::output_sections): New function.
4291         (Relobj::do_output_section_offset): New pure virtual function.
4292         (Relobj::do_set_section_offset): Likewise.
4293         (class Sized_relobj): Add section_offsets_ field.  Add comdat
4294         group support from Relobj.  Update declarations.
4295         (Sized_relobj::get_output_section_offset): New function.
4296         (Sized_relobj::do_output_section_offset): New function.
4297         (Sized_relobj::do_set_section_offset): New function.
4298         * object.cc (Relobj::output_section_address): Remove.
4299         (Sized_relobj::Sized_relobj): Initialize new fields.
4300         (Sized_relobj::include_section_group): Cast find_kept_object to
4301         Sized_relobj.
4302         (Sized_relobj::include_linkonce_section): Likewise.
4303         (Sized_relobj::do_layout): Use separate arrays for output section
4304         and output offset.
4305         (Sized_relobj::do_count_local_symbols): Change map_to_output to
4306         output_sections.
4307         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
4308         output_sections and section_offsets.
4309         (Sized_relobj::write_local_symbols): Likewise.
4310         (map_to_kept_section): Compute output address directly.
4311         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
4312         output_sections and section_offsets.
4313         (Sized_relobj::write_sections): Likewise.
4314         (Sized_relobj::relocate_sections): Likewise.
4315         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
4316         * output.h (class Output_reloc): Update declarations.  Change
4317         u2_.relobj to Sized_relobj*.
4318         (class Output_data_reloc): Change add functions to use
4319         Sized_relobj*.
4320         * output.cc (Output_reloc::Output_reloc): Change relobj to
4321         Sized_relobj*.
4322         (Output_reloc::local_section_offset): Change return type to
4323         Elf_Addr.  Use get_output_section_offset.
4324         (Output_reloc::get_address): Likewise.
4325         (Output_section::is_input_address_mapped): Don't call
4326         is_section_specially_mapped.
4327         (Output_section::output_offset): Likewise.
4328         (Output_section::output_address): Likewise.
4329         (Output_section::starting_output_address): Likewise.
4330         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
4331         parameter to Sized_relobj*.
4332         (Copy_relocs::need_copy_reloc): Likewise.
4333         (Copy_relocs::save): Likewise.
4334         * copy-relocs.h (class Copy_relocs): Update declarations.
4335         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
4336         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
4337         * target-reloc.h (relocate_for_relocatable): Change
4338         offset_in_output_section type to Elf_Addr.  Change code that uses
4339         it as well.
4340         * layout.cc (Layout::layout): Always set *off.
4341         * mapfile.cc (Mapfile::print_input_section): Use
4342         output_section_offset.
4343         * i386.cc (Target_i386::copy_reloc): Change object parameter to
4344         Sized_relobj*.
4345         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
4346         * sparc.cc (Target_sparc::copy_reloc): Likewise.
4347         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
4348
4349 2008-07-03  Ian Lance Taylor  <iant@google.com>
4350
4351         * layout.cc (Layout::include_section): Do not discard unrecognized
4352         SHT_STRTAB sections.
4353
4354 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
4355
4356         * script.cc (Lex::can_continue_name): Make '?' allowable in
4357         version-script names.
4358         * testsuite/version_script.map: Change glob pattern to use '?'
4359
4360 2008-06-30  Manish Singh  <yosh@gimp.org>
4361
4362         PR 6585
4363         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
4364         Correct typo.
4365
4366 2008-06-30  Ian Lance Taylor  <iant@google.com>
4367
4368         PR 6660
4369         PR 6682
4370         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4371         versions]: Don't try to read the value in the contents, since we
4372         don't use it.  Use the template endianness when writing.
4373
4374 2008-06-25  Cary Coutant  <ccoutant@google.com>
4375
4376         * fileread.cc (File_read::make_view): Assert on zero-length view.
4377         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4378         symbol table when there are no symbols to read.
4379
4380 2008-06-23  Craig Silverstein  <csilvers@google.com>
4381
4382         * version.cc (version_string): Bump to 1.7
4383
4384 2008-06-18  Craig Silverstein  <csilvers@google.com>
4385
4386         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4387         constant 0xFFFF to type Valtype.
4388         (Powerpc_relocate_functions::rel16_ha): Likewise.
4389
4390 2008-06-17  Ian Lance Taylor  <iant@google.com>
4391
4392         * output.h (Output_section::Input_section): Initialize p2align_ to
4393         zero for Output_section_data constructors.
4394         (Output_section::Input_section::addralign): If not an input
4395         section, return the alignment of the Output_section_data.
4396         * testsuite/copy_test.cc: New file.
4397         * testsuite/copy_test_1.cc: New file.
4398         * testsuite/copy_test_2.cc: New file.
4399         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4400         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4401         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4402         (copy_test_1_pic.o, copy_test_1.so): New targets.
4403         (copy_test_2_pic.o, copy_test_2.so): New targets.
4404         * testsuite/Makefile.in: Rebuild.
4405
4406         * script-sections.cc (Script_sections::place_orphan): Initialize
4407         local variable exact.
4408
4409 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
4410
4411         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4412
4413 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
4414             David S. Miller  <davem@davemloft.net>
4415
4416         * powerpc.cc: New file.
4417         * Makefile.am (TARGETSOURCES): Add powerpc.cc
4418         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4419         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4420         * Makefile.in: Rebuild.
4421
4422 2008-06-09  Ian Lance Taylor  <iant@google.com>
4423
4424         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4425         <exception>.
4426         (throwing, orig_terminate): New static variables.
4427         (terminate_handler): New static function.
4428         (t2): Set terminate handler.
4429
4430 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
4431
4432         PR 6584
4433         * binary.cc (Binary_to_elf::sized_convert): Fix .data
4434         alignment.
4435
4436 2008-05-30  Cary Coutant  <ccoutant@google.com>
4437
4438         * archive.cc (Archive::include_all_members) Correct to step
4439         over symbol table and extended name table in thin archives.
4440
4441 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
4442
4443         PR 6407
4444         * target-reloc.h (relocate_for_relocatable): Fix new_offset
4445         calculation.
4446
4447 2008-05-28  Caleb Howe  <cshowe@google.com>
4448
4449         * reduced_debug_output.cc: New file.
4450         * reduced_debug_output.h: New file.
4451         * options.h (class General_options): Add --strip-debug-non-line.
4452         * options.cc (General_options::finalize): Add strip_debug_non_line
4453         to the strip heirarchy.
4454         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4455         fields.
4456         * layout.cc: Include "reduced_debug_output.h".
4457         (Layout::Layout): Initialize new fields.
4458         (line_only_debug_sections): New static array.
4459         (is_lines_only_debug_sections): New static inline function.
4460         (Layout::include_section): Handle --strip-debug-non-line.
4461         (Layout::make_output_section): If --strip-debug-non-line, build
4462         new output sections for .debug_abbrev and .debug_info.
4463         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4464         gold.  Warn about possible overflow.
4465         (read_signed_LEB_128): Likewise.
4466         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4467         (read_signed_LEB_128): Declare.
4468         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4469         (HFILES): Add reduced_debug_output.h.
4470         * Makefile.in: Rebuild.
4471
4472 2008-05-21  Ian Lance Taylor  <iant@google.com>
4473
4474         * mapfile.cc: New file.
4475         * mapfile.h: New file.
4476         * options.h (class General_options): Add -M/--print-map and -Map.
4477         * options.cc (General_options::finalize): Make -M equivalent to
4478         -Map -.
4479         * main.cc: Include <cstdio> and "mapfile.h".
4480         (main): Open mapfile if requested.
4481         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
4482         constructor.  Change caller.
4483         (queue_initial_tasks): Add mapfile parameter.  Change caller.
4484         (queue_middle_tasks): Likewise.
4485         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
4486         declarations.
4487         * archive.cc: Include "mapfile.h".
4488         (Archive::add_symbols): Add mapfile parameter.  Change all
4489         callers.  Pass mapfile, symbol, and reason to include_member.
4490         (Archive::include_all_members): Add mapfile parameter.  Change all
4491         callers.
4492         (Archive::include_member): Add mapfile, sym, and why parameters.
4493         Change all callers.  Report inclusion to map file.
4494         * archive.h: Include "fileread.h".
4495         (class Archive): Update declarations.
4496         (Archive::file): New const method.
4497         (class Add_archive_symbols): Add mapfile_ field.  Update
4498         constructor.  Change all callers.
4499         * readsyms.h (class Read_symbols): Likewise.
4500         (class Finish_group): Likewise.
4501         (class Read_script): Likewise.
4502         * common.cc: Include "mapfile.h".
4503         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
4504         all callers.
4505         (Symbol_table::do_allocate_commons): Likewise.
4506         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
4507         symbol allocation to mapfile.
4508         * common.h (class Allocate_commons_task): Add mapfile_ field.
4509         Update constructor.  Change all callers.
4510         * symtab.h (class Symbol_table): Update declarations.
4511         * layout.cc: Include "mapfile.h".
4512         (Layout_task_runner::run): Print information to mapfile.
4513         (Layout::create_gold_note): Change Output_data_fixed_space to
4514         Output_data_zero_fill.
4515         (Layout::create_build_id): Likewise.
4516         (Layout::print_to_mapfile): New function.
4517         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
4518         constructor.  Change caller.
4519         (class Layout): Declare print_to_mapfile.
4520         * output.cc (Output_section::Input_section::print_to_mapfile): New
4521         function.
4522         (Output_section::add_input_section): If producing a map, always
4523         add to input_sections_ list.
4524         (Output_section::do_print_to_mapfile): New function.
4525         (Output_segment::print_sections_to_mapfile): New function.
4526         (Output_segment::print_section_list_to_mapfile): New function.
4527         * output.h: Include "mapfile.h".
4528         (Output_data::print_to_mapfile): New function.
4529         (Output_data::do_print_to_mapfile): New virtual function.
4530         (Output_segment_headers::do_print_to_mapfile): New function.
4531         (Output_file_header::do_print_to_mapfile): New function.
4532         (Output_data_const::do_print_to_mapfile): New function.
4533         (class Output_data_const_buffer): Add map_name_ field.  Update
4534         constructor.  Change all callers.  Add do_print_to_mapfile
4535         function.
4536         (class Output_data_fixed_space): Likewise.
4537         (class Output_data_space): Likewise.
4538         (class Output_data_zero_fill): New class.
4539         (Output_data_strtab::do_print_to_mapfile): New function.
4540         (Output_data_reloc_base::do_print_to_mapfile): New function.
4541         (Output_relocatable_relocs::do_print_to_mapfile): New function.
4542         (Output_data_group::do_print_to_mapfile): New function.
4543         (Output_data_got::do_print_to_mapfile): New function.
4544         (Output_data_dynamic::do_print_to_mapfile): New function.
4545         (Output_symtab_xindex::do_print_to_mapfile): New function.
4546         (class Output_section): Declare do_print_to_mapflie.  Declare
4547         print_to_mapfile in Input_section.
4548         (class Output_segment): Declare new functions.
4549         * object.h (Sized_relobj::symbol_count): New function.
4550         * script-sections.cc
4551         (Output_section_element_dot_assignment::set_section_addresses):
4552         Change Output_data_fixed_space to Output_data_zero_fill.
4553         (Output_data_expression::do_print_to_mapfile): New function.
4554         * script.cc (read_input_script): Add mapfile parameter.  Change
4555         all callers.
4556         * script.h (read_input_script): Update declaration.
4557         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
4558         (Eh_frame::do_print_to_mapfile): New function.
4559         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
4560         (Output_merge_string::do_print_to_mapfile): New function.
4561         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
4562         function.
4563         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
4564         function.
4565         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
4566         function.
4567         * Makefile.am (CCFILES): Add mapfile.cc.
4568         (HFILES): Add mapfile.h.
4569         * Makefile.in: Rebuild.
4570
4571 2008-05-19  Ian Lance Taylor  <iant@google.com>
4572
4573         * options.h (class General_options): Add -z relro.
4574         * layout.cc (Layout::Layout): Initialize relro_segment_.
4575         (Layout::add_output_section_data): Return the output section.
4576         (Layout::make_output_section): Rcognize relro sections and mark
4577         them appropriately.
4578         (Layout::attach_allocated_section_to_segment): Put relro sections
4579         in a PT_GNU_RELRO segment.
4580         (Layout::create_initial_dynamic_sections): Mark the .dynamic
4581         section as relro.
4582         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
4583         PT_TLS segments.
4584         (Layout::linkonce_mapping): Map d.rel.ro.local to
4585         .data.rel.ro.local.
4586         (Layout::output_section_name): Us .data.rel.ro.local for any
4587         section which begins with that.
4588         * layout.h (class Layout): Update add_output_section_data
4589         declaration.  Add relro_segment_ field.
4590         * output.cc (Output_section::Output_section): Initialize is_relro_
4591         and is_relro_local_ fields.
4592         (Output_segment::add_output_section): Group relro sections.
4593         (Output_segment::is_first_section_relro): New function.
4594         (Output_segment::maximum_alignment): If there is a relro section,
4595         align the segment to the common page size.
4596         (Output_segment::set_section_addresses): Track whether we are
4597         looking at relro sections.  If the last section is a relro
4598         section, align to the common page size.
4599         (Output_segment::set_section_list_addresses): Add in_relro
4600         parameter.  Change all callers.  Align to the page size when
4601         moving from relro to non-relro section.
4602         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4603         segment.
4604         * output.h (class Output_section): Add is_relro_ and
4605         is_relro_local_ fields.
4606         (Output_section::is_relro): New function.
4607         (Output_section::set_is_relro): New function.
4608         (Output_section::is_relro_local): New function.
4609         (Output_section::set_is_relro_local): New function.
4610         (class Output_segment): Update declarations.
4611         * i386.cc (Target_i386::got_section): Mark .got section as relro.
4612         * sparc.cc (Target_sparc::got_section): Likewise.
4613         * x86_64.cc (Target_x86_64::got_section): Likewise.
4614         * testsuite/relro_test_main.cc: New file.
4615         * testsuite/relro_test.cc: New file.
4616         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4617         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4618         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4619         (relro_test.so, relro_test_pic.o): New targets.
4620         * testsuite/Makefile.in: Rebuild.
4621
4622 2008-05-16  Ian Lance Taylor  <iant@google.com>
4623
4624         * output.cc (Output_segment::add_output_section): Remove front
4625         parameter.
4626         * output.h (class Output_segment): Remove
4627         add_initial_output_section and overloaded add_output_section.
4628         Update declaration of remaining add_output_section.
4629         * layout.cc (Layout::create_interp): Call add_output_section
4630         rather than add_initial_output_section.
4631         (Layout::finish_dynamic_section): Likewise.
4632
4633         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4634         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
4635         know the dynamic type.
4636         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4637         field.  Initialize it in constructor.
4638         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4639         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4640         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4641         reloc.
4642
4643         * output.cc (Output_reloc::get_address): Change return type to
4644         Elf_Addr.
4645         * output.h (class Output_reloc): Update get_address declaration.
4646         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4647         for section addresses.
4648
4649 2008-05-09  Ian Lance Taylor  <iant@google.com>
4650
4651         PR 6493
4652         * gold.cc (gold_nomem): Use return value of write.
4653
4654 2008-05-08  Ian Lance Taylor  <iant@google.com>
4655
4656         * symtab.c (Symbol::init_base_output_data): Add version
4657         parameter.  Change all callers.
4658         (Symbol::init_base_output_segment): Likewise.
4659         (Symbol::init_base_constant): Likewise.
4660         (Symbol::init_base_undefined): Likewise.
4661         (Sized_symbol::init_output_data): Likewise.
4662         (Sized_symbol::init_output_segment): Likewise.
4663         (Sized_symbol::init_constant): Likewise.
4664         (Sized_symbol::init_undefined): Likewise.
4665         (Symbol_table::do_define_in_output_data): If the new symbol has a
4666         version, mark it as the default.
4667         (Symbol_table::do_define_in_output_segment): Likewise.
4668         (Symbol_table::do_define_as_constant): Likewise.
4669         * symtab.h (class Symbol): Update declarations.
4670         (class Sized_symbol): Likewise.
4671         * resolve.cc (Symbol::override_version): New function.
4672         (Symbol::override_base): Call override_version.
4673         (Symbol::override_base_with_special): Likewise.
4674         * testsuite/ver_script_8.script: New file.
4675         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4676         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4677         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4678         (ver_test_8_1.so, ver_test_8_2.so): New targets.
4679
4680 2008-05-06  Ian Lance Taylor  <iant@google.com>
4681
4682         PR 6049
4683         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4684         functions.
4685         (class General_options): Remove existing --undefined, and add
4686         --no-undefined instead.  Add new --undefined as synonym for -u.
4687         * archive.cc (Archive::add_symbols): Check whether symbol was
4688         named with -u.
4689         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4690         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4691         all uses.  Add IS_UNDEFINED.  Update declarations to split
4692         different versions of init_base.  Declare init_base_undefined.
4693         (Symbol::is_defined): Handle IS_UNDEFINED.
4694         (Symbol::is_undefined): Likewise.
4695         (Symbol::is_weak_undefined): Call is_undefined.
4696         (Symbol::is_absolute): Handle IS_CONSTANT.
4697         (class Sized_symbol): Update declarations to split different
4698         versions of init.  Declare init_undefined.
4699         (class Symbol_table): Declare new functions.
4700         * symtab.cc (Symbol::init_base_object): Rename from init_base.
4701         Change all callers.
4702         (Symbol::init_base_output_data): Likewise.
4703         (Symbol::init_base_output_segment): Likewise.
4704         (Symbol::init_base_constant): Likewise.
4705         (Symbol::init_base_undefined): New function.
4706         (Sized_symbol::init_object): Rename from init.  Change all
4707         callers.
4708         (Sized_symbol::init_output_data): Likewise.
4709         (Sized_symbol::init_output_segment): Likewise.
4710         (Sized_symbol::init_constant): Likewise.
4711         (Sized_symbol::init_undefined): New function.
4712         (Symbol_table::add_undefined_symbols_from_command_line): New
4713         function.
4714         (Symbol_table::do_add_undefined_symbols_from_command_line): New
4715         function.
4716         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4717         (Symbol::output_section): Likewise.
4718         (Symbol::set_output_section): Likewise.
4719         (Symbol_table::sized_finalize_symbol): Likewise.
4720         (Symbol_table::sized_write_globals): Likewise.
4721         * resolve.cc (Symbol_table::should_override): Likewise.
4722         (Symbol::override_base_with_special): Likewise.
4723
4724         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4725         symbol, change it to have default visibility.
4726         * testsuite/protected_1.cc: New file.
4727         * testsuite/protected_2.cc: New file.
4728         * testsuite/protected_3.cc: New file.
4729         * testsuite/protected_main_1.cc: New file.
4730         * testsuite/protected_main_2.cc: New file.
4731         * testsuite/protected_main_3.cc: New file.
4732         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4733         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4734         (protected_1_LDFLAGS, protected_1_LDADD): Define.
4735         (protected_1.so): New target.
4736         (protected_1_pic.o, protected_2_pic.o): New targets.
4737         (protected_3_pic.o): New target.
4738         (check_PROGRAMS): Add protected_2.
4739         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4740         (protected_2_LDFLAGS, protected_2_LDADD): Define.
4741         * testsuite/Makefile.in: Rebuild.
4742
4743         * options.h (DEFINE_var): Add set_user_set_##varname__.
4744         (DEFINE_bool_alias): New macro.
4745         (class General_options): Define -Bstatic using DEFINE_bool_alias
4746         rather than DEFINE_special.  Add --undefined as an alias for -z
4747         defs.
4748         * options.cc (General_options::parse_Bstatic): Remove.
4749
4750         * options.h (class General_options): Add --fatal-warnings.
4751         * main.cc (main): Implement --fatal-warnings.
4752         * errors.h (Errors::warning_count): New function.
4753
4754         * options.h (class General_options): Add -Bsymbolic-functions.
4755         * symtab.h (Symbol::is_preemptible): Check for
4756         -Bsymbolic-functions.
4757
4758 2008-05-05  Ian Lance Taylor  <iant@google.com>
4759
4760         * options.h (DEFINE_bool): For DASH_Z, create the negative option
4761         as noVARNAME rather than no-VARNAME.
4762         (class General_options): Add option -z combreloc.
4763         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4764         get_address.
4765         (Output_reloc::sort_before) [SHT_REL]: New function.
4766         (Output_reloc::sort_before) [SHT_RELA]: New function.
4767         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
4768         Sort_relocs_comparison.
4769         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4770         parameter.  Change all callers.
4771         (Output_data_reloc::Output_data_reloc) [both versions]: Add
4772         sort_relocs parameter.  Change all callers.
4773         * output.cc (Output_reloc::get_address): New function, broken out
4774         of write_rel.
4775         (Output_reloc::write_rel): Call it.
4776         (Output_reloc::compare): New function.
4777         (Output_data_reloc_base::do_write): Optionally sort relocs.
4778
4779         * configure.ac: If targ_extra_obj is set, link it in.
4780         * configure.tgt: Initialize all variables.
4781         (x86_64*): Set targ_extra_obj and targ_extra_size.
4782         * configure: Rebuild.
4783
4784         * object.cc (Sized_relobj::include_section_group): Adjust section
4785         indexes read from group data.  Build vector to pass to
4786         layout_group.
4787         * layout.cc (Layout::layout_group): Add flags and shndxes
4788         parameters.  Remove contents parameter.  Change caller.  Update
4789         explicit instantiations.
4790         * layout.h (class Layout): Update layout_group declaration.
4791         * output.cc (Output_data_group::Output_data_group): Add flags and
4792         input_shndxes parameters.  Remove contents parameter.  Change
4793         caller.
4794         (Output_data_group::do_write): Change input_sections_ to
4795         input_shndxes_.
4796         * output.h (class Output_data_group): Update constructor
4797         declaration.  Rename input_sections_ to input_shndxes_.
4798         * testsuite/many_sections_test.cc: Add template.
4799
4800 2008-04-30  Cary Coutant  <ccoutant@google.com>
4801
4802         * target-reloc.h (relocate_section): Fix dead-pointer bug.
4803
4804         * layout.cc (Layout::include_section): Refactored check for debug
4805         info section.
4806         (Layout::add_comdat): Add new parameters.  Change type
4807         of signature parameter.  Add object and shndx to signatures table.
4808         (Layout::find_kept_object): New function.
4809         * layout.h: Include <cstring>.
4810         (Layout::is_debug_info_section): New function.
4811         (Layout::add_comdat): Add new parameters.
4812         (Layout::find_kept_object): New function.
4813         (Layout::Kept_section): New struct.
4814         (Layout::Signatures): Change type of map range.
4815         * object.cc (Relobj::output_section_address): New function.
4816         (Sized_relobj::include_section_group): Add new parameters.  Change
4817         calls to Layout::add_comdat.  Change to build table of kept comdat
4818         groups and table mapping discarded sections to kept sections.
4819         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
4820         (Sized_relobj::do_layout): Change calls to include_section_group and
4821         include_linkonce_section.
4822         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4823         value to zero when section is discarded.
4824         (Sized_relobj::map_to_kept_section): New function.
4825         * object.h (Relobj::output_section_address): New function.
4826         (Relobj::Comdat_group): New type.
4827         (Relobj::find_comdat_group): New function.
4828         (Relobj::Comdat_group_table): New type.
4829         (Relobj::Kept_comdat_section): New type.
4830         (Relobj::Kept_comdat_section_table): New type.
4831         (Relobj::add_comdat_group): New function.
4832         (Relobj::set_kept_comdat_section): New function.
4833         (Relobj::get_kept_comdat_section): New function.
4834         (Relobj::comdat_groups_): New field.
4835         (Relobj::kept_comdat_sections_): New field.
4836         (Symbol_value::input_value): Update comment.
4837         (Sized_relobj::map_to_kept_section) New function.
4838         (Sized_relobj::include_linkonce_section): Add new parameter.
4839         * target-reloc.h (Comdat_behavior): New type.
4840         (get_comdat_behavior): New function.
4841         (relocate_section): Add code to map a discarded section to the
4842         corresponding kept section when applying a relocation.
4843
4844 2008-04-30  Craig Silverstein  <csilvers@google.com>
4845
4846         * dwarf_reader.cc (next_generation_count): New static var.
4847         (Addr2line_cache_entry): New struct.
4848         (addr2line_cache): New static var.
4849         (Dwarf_line_info::one_addr2line): Added caching.
4850         (Dwarf_line_info::clear_addr2line_cache): New function.
4851         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4852         cache-size parameter.
4853         (Dwarf_line_info::one_addr2line_cache): New function.
4854         * symtab.cc (Symbol_table::detect_odr_violations): Pass
4855         new cache-size argument to one_addr2line(), and clear cache.
4856
4857 2008-04-28  Cary Coutant  <ccoutant@google.com>
4858
4859         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4860         R_386_PC8 relocations.
4861
4862 2008-04-23  Ian Lance Taylor  <iant@google.com>
4863
4864         * object.cc (Sized_relobj::include_section_group): Check for
4865         invalid section group.
4866
4867         * object.cc (make_elf_object): Correct test for 64-bit ELF file
4868         header size.
4869
4870         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4871         than read for file header.
4872         * archive.cc (Archive::include_member): Likewise.
4873
4874 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4875
4876         * aclocal.m4: Regenerate.
4877         * configure: Regenerate.
4878
4879 2008-04-19  Ian Lance Taylor  <iant@google.com>
4880
4881         * version.cc (version_string): Bump to 1.6.
4882
4883         * testsuite/Makefile.am (many_sections_r_test): New target.
4884         (many_sections_r_test_SOURCES): Remove.
4885         (many_sections_r_test_DEPENDENCIES): Remove.
4886         (many_sections_r_test_LDFLAGS): Remove.
4887         (many_sections_r_test_LDADD): Remove.
4888
4889         * object.cc (Sized_relobj::do_add_symbols): Always pass
4890         local_symbol_count_ to add_from_relobj.
4891
4892         * testsuite/Makefile.am (many_sections_check.h): Only check one in
4893         every thousand variables.
4894         * testsuite/Makefile.in: Rebuild.
4895
4896         * object.cc (Xindex::initialize_symtab_xindex): New function.
4897         (Xindex::read_symtab_xindex): New function.
4898         (Xindex::sym_xindex_to_shndx): New function.
4899         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4900         available.
4901         (Sized_relobj::do_initialize_xindex): New function.
4902         (Sized_relobj::do_read_symbols): Adjust section links.
4903         (Sized_relobj::symbol_section_and_value): Add is_ordinary
4904         parameter.  Change all callers.
4905         (Sized_relobj::include_section_group): Adjust section links and
4906         symbol section indexes.
4907         (Sized_relobj::do_layout): Adjust section links.
4908         (Sized_relobj::do_count_local_symbols): Adjust section links and
4909         symbol section indexes.
4910         (Sized_relobj::do_finalize_local_symbols): Distinguish between
4911         ordinary and special symbols.
4912         (Sized_relobj::write_local_symbols): Add symtab_xindex and
4913         dynsym_xindex parameters.  Change all callers.  Adjust section
4914         links.  Use SHN_XINDEX when needed.
4915         (Sized_relobj::get_symbol_location_info): Adjust section links.
4916         Don't get fooled by special symbols.
4917         * object.h (class Xindex): Define.
4918         (class Object): Add xindex_ parameter.  Declare virtual functoin
4919         do_initialize_xindex.
4920         (Object::adjust_sym_shndx): New function.
4921         (Object::set_xindex): New protected function.
4922         (class Symbol_value): Add is_ordinary_shndx_ field.
4923         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4924         (Symbol_value::value): Assert ordinary section.
4925         (Symbol_value::initialize_input_to_output_map): Likewise.
4926         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4927         Change all callers.
4928         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
4929         all callers.
4930         (class Sized_relobj): Update declarations.
4931         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4932         parameter.  Change all callers.
4933         (Sized_relobj::adjust_shndx): New function.
4934         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4935         field.
4936         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4937         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
4938         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
4939         (Sized_dynobj::read_dynsym_section): Adjust section links.
4940         (Sized_dynobj::read_dynamic): Likewise.
4941         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
4942         section links.
4943         (Sized_dynobj::do_initialize_xindex): New function.
4944         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
4945         do_initialize_xindex.
4946         (Sized_dynobj::adjust_shndx): New function.
4947         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4948         dynsym_xindex_ fields.
4949         (Layout::finalize): Add a call to set_section_indexes before
4950         creating the symtab sections.
4951         (Layout::set_section_indexes): Don't do anything if the section
4952         already has a section index.
4953         (Layout::create_symtab_sections): Add shnum parameter.  Change
4954         caller.  Create .symtab_shndx section if needed.
4955         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
4956         caller.
4957         (Layout::allocated_output_section_count): New function.
4958         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4959         needed.
4960         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4961         fields.  Update declarations.
4962         (Layout::symtab_xindex): New function.
4963         (Layout::dynsym_xindex): New function.
4964         (class Write_symbols_task): Add layout_ field.
4965         (Write_symbols_task::Write_symbols_task): Add layout parameter.
4966         Change caller.
4967         * output.cc (Output_section_headers::Output_section_headers): Add
4968         shstrtab_section parameter.  Change all callers.
4969         (Output_section_headers::do_sized_write): Store overflow values
4970         for section count and section string table section index in
4971         section header zero.
4972         (Output_file_header::do_sized_write): Check for overflow of
4973         section count and section string table section index.
4974         (Output_symtab_xindex::do_write): New function.
4975         (Output_symtab_xindex::endian_do_write): New function.
4976         * output.h (class Output_section_headers): Add shstrtab_section_.
4977         Update declarations.
4978         (class Output_symtab_xindex): Define.
4979         (Output_section::has_out_shndx): New function.
4980         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4981         field.
4982         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4983         Change all callers.
4984         (Sized_symbol::init): Likewise.
4985         (Symbol::output_section): Check for ordinary symbol.
4986         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
4987         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
4988         callers.
4989         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4990         Change all callers.  Simplify handling of symbols from sections
4991         not included in the link.
4992         (Symbol_table::add_from_dynobj): Handle ordinary symbol
4993         distinction.
4994         (Weak_alias_sorter::operator()): Assert that symbols are
4995         ordinary.
4996         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4997         distinction.
4998         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4999         parameters.  Change all callers.
5000         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
5001         symbol distinction.  Use SHN_XINDEX when needed.
5002         (Symbol_table::write_section_symbol): Add symtab_xindex
5003         parameter.  Change all callers.
5004         (Symbol_table::sized_write_section_symbol): Likewise.  Use
5005         SHN_XINDEX when needed.
5006         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
5007         declarations.
5008         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
5009         (Symbol::is_defined): Check is_ordinary.
5010         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
5011         (Symbol::is_absolute, Symbol::is_common): Likewise.
5012         (class Sized_symbol): Update declarations.
5013         (class Symbol_table): Update declarations.
5014         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
5015         parameters.  Change all callers.
5016         (Sized_symbol::override): Likewise.
5017         (Symbol_table::override): Likewise.
5018         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
5019         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
5020         is_ordinary, and orig_st_shndx parameters.  Change all callers.
5021         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
5022         to be in an ordinary section.
5023         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
5024         object and is_ordinary parameters.  Change all callers.
5025         (Sized_dwarf_line_info::read_relocs): Add object parameter.
5026         Change all callers.  Don't add undefined or non-ordinary symbols
5027         to reloc_map_.
5028         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
5029         Change all callers.
5030         * dwarf_reader.h (class Sized_dwarf_line_info): Update
5031         declarations.
5032         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
5033         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
5034         (Sized_relobj::relocate_sections): Likewise.
5035         * target-reloc.h (scan_relocs): Adjust section symbol index.
5036         (scan_relocatable_relocs): Likewise.
5037         * i386.cc (Scan::local): Check for ordinary symbols.
5038         * sparc.cc (Scan::local): Likewise.
5039         * x86_64.cc (Scan::local): Likewise.
5040         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
5041         to symbol_section_and_value.
5042         * testsuite/many_sections_test.cc: New file.
5043         * testsuite/Makefile.am (BUILT_SOURCES): Define.
5044         (check_PROGRAMS): Add many_sections_test.
5045         (many_sections_test_SOURCES): Define.
5046         (many_sections_test_DEPENDENCIES): Define.
5047         (many_sections_test_LDFLAGS): Define.
5048         (BUILT_SOURCES): Add many_sections_define.h.
5049         (many_sections_define.h): New target.
5050         (BUILT_SOURCES): Add many_sections_check.h.
5051         (many_sections_check.h): New target.
5052         (check_PROGRAMS): Add many_sections_r_test.
5053         (many_sections_r_test_SOURCES): Define.
5054         (many_sections_r_test_DEPENDENCIES): Define.
5055         (many_sections_r_test_LDFLAGS): Define.
5056         (many_sections_r_test_LDADD): Define.
5057         (many_sections_r_test.o): New target.
5058         * testsuite/Makefile.in: Rebuild.
5059
5060 2008-04-17  Cary Coutant  <ccoutant@google.com>
5061
5062         * errors.cc (Errors::info): New function.
5063         (gold_info): New function.
5064         * errors.h (Errors::info): New function.
5065         * gold.h (gold_info): New function.
5066         * object.cc (Input_objects::add_object): Print trace output.
5067         * options.cc (options::parse_set): New function.
5068         (General_options::parse_wrap): Deleted.
5069         (General_options::General_options): Deleted initializer.
5070         * options.h (options::String_set): New typedef.
5071         (options::parse_set): New function.
5072         (DEFINE_set): New macro.
5073         (General_options::wrap): Changed to use DEFINE_set. Changed
5074         callers of any_wrap_symbols and is_wrap_symbol.
5075         (General_options::trace, General_options::trace_symbol):
5076         New options.
5077         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
5078         (General_options::wrap_symbols_): Deleted.
5079         * symtab.cc (Symbol_table::add_from_object): Print trace output.
5080
5081 2008-04-17  David S. Miller  <davem@davemloft.net>
5082
5083         * options.cc (General_options::parse_V): New function.
5084         * options.h: Add entries for -V and -Qy.
5085
5086 2008-04-17  Ian Lance Taylor  <iant@google.com>
5087
5088         * common.cc (Symbol_table::allocate_commons): Remove options
5089         parameter.  Change caller.
5090         (Symbol_table::do_allocate_commons): Remove options parameter.
5091         Change caller.  Just call do_allocate_commons_list twice.
5092         (Symbol_table::do_allocate_commons_list): New function, broken out
5093         of do_allocate_commons.
5094         * common.h (class Allocate_commons_task): Remove options_ field.
5095         Update constructor.
5096         * symtab.cc (Symbol_table::Symbol_table): Initialize
5097         tls_commons_.
5098         (Symbol_table::add_from_object): Put TLS common symbols on
5099         tls_commons_ list.
5100         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
5101         which are IN_OUTPUT_DATA.
5102         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
5103         allocate_commons and do_allocate_commons declarations.  Declare
5104         do_allocate_commons_list.
5105         * gold.cc (queue_middle_tasks): Update creation of
5106         Allocate_commons_task to not pass options.
5107         * testsuite/Makefile.am (INCLUDES): Add -I.. .
5108         (TLS_TEST_C_FLAGS): New variable.
5109         (tls_test_c_pic.o): New target.
5110         (tls_test_shared.so): Link in tls_test_c_pic.o.
5111         (tls_test_c_pic_ie.o): New target.
5112         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
5113         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
5114         (tls_test_c.o): New target.
5115         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
5116         (tls_pic_test_LDADD): Likewise.
5117         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
5118         (tls_shared_gd_to_ie_test_LDADD): Likewise.
5119         (tls_test_c_gnu2.o): New target.
5120         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
5121         tls_test_c_gnu2.o.
5122         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
5123         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
5124         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
5125         * testsuite/tls_test.cc: Include "config.h".
5126         (t_last): Call t11_last.
5127         * testsuite/tls_test.h (t11, t11_last): Declare.
5128         * testsuite/tls_test_c.c: New file.
5129         * testsuite/tls_test_main.cc (thread_routine): Call t11.
5130         * configure.ac: Check for OpenMP support.
5131         * configure, config.in, Makefile.in: Rebuild.
5132         * testsuite/Makefile.in: Rebuild.
5133
5134 2008-04-16  Cary Coutant  <ccoutant@google.com>
5135
5136         * i386.cc (Target_i386::define_tls_base_symbol): New function.
5137         (Target_i386::tls_base_symbol_defined_): New field.
5138         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5139         (Target_i386::Scan::global): Likewise.
5140         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
5141         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
5142         (Target_x86_64::tls_base_symbol_defined_): New field.
5143         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5144         (Target_x86_64::Scan::global): Likewise.
5145
5146 2008-04-16  Cary Coutant  <ccoutant@google.com>
5147
5148         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
5149         (Symbol::needs_plt_entry): Allow weak undefined symbols.
5150         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
5151         building shared libraries.
5152         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
5153         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
5154         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
5155         * testsuite/Makefile.in: Rebuild.
5156         * testsuite/weak_undef.h: New file.
5157         * testsuite/weak_undef_file1.cc: Add extra test cases.
5158         * testsuite/weak_undef_file2.cc: Likewise.
5159         * testsuite/weak_undef_test.cc: Likewise.
5160
5161 2008-04-16  David S. Miller  <davem@davemloft.net>
5162
5163         * sparc.cc (Target_sparc::Scan): Change from struct to class.
5164         Add issued_non_pic_error_ field.  Declare check_non_pic.
5165         (Target_sparc::Scan::check_non_pic): New function.
5166         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
5167         (Target_sparc::Scan::global): Likewise.
5168
5169         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
5170         * configure: Rebuild.
5171
5172         * options.h (DEFINE_enable): New macro.
5173         (new_dtags): New enable option.
5174         (initfirst, interpose, loadfltr, nodefaultlib,
5175         nodelete, nodlopen, nodump): New -z options.
5176         * layout.cc (Layout:finish_dynamic_section): If new
5177         dtags enabled, emit DT_RUNPATH.  Also, emit a
5178         DT_FLAGS_1 containing any specified -z flags.
5179
5180 2008-04-16  Ian Lance Taylor  <iant@google.com>
5181
5182         * copy-relocs.cc: New file.
5183         * copy-relocs.h: New file.
5184         * reloc.cc: Remove Copy_relocs code.
5185         * reloc.h: Likewise.
5186         * reloc-types.h (struct Reloc_types) [both versions]: Add
5187         get_reloc_addend_noerror.
5188         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
5189         variants of add_global which take an addend which must be zero.
5190         * i386.cc: Include "copy-relocs.h".
5191         (class Target_i386): Change type of copy_relocs_ to variable,
5192         update initializer.
5193         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
5194         Change all callers.
5195         (Target_i386::do_finalize_sections): Change handling of
5196         copy_relocs_.
5197         * sparc.cc: Include "copy-relocs.h".
5198         (class Target_sparc): Change type of copy_relocs_ to variable,
5199         update initializer.
5200         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
5201         Change all callers.
5202         (Target_sparc::do_finalize_sections): Change handling of
5203         copy_relocs_.
5204         * x86_64.cc: Include "copy-relocs.h".
5205         (class Target_x86_64): Change type of copy_relocs_ to variable,
5206         update initializer.
5207         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
5208         class.  Change all callers.
5209         (Target_x86_64::do_finalize_sections): Change handling of
5210         copy_relocs_.
5211         * Makefile.am (CCFILES): Add copy-relocs.cc.
5212         (HFILES): Add copy-relocs.h.
5213
5214         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
5215
5216         * testsuite/script_test_4.sh: Permit leading zeroes.
5217
5218 2008-04-15  Ian Lance Taylor  <iant@google.com>
5219
5220         * script-sections.cc (Script_sections::create_segments): Use
5221         header_size_adjustment even when there is enough room for the
5222         headers.
5223         * testsuite/script_test_4.sh: New file.
5224         * testsuite/script_test_4.t: New file.
5225         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
5226         (check_DATA): Add script_test_4.stdout.
5227         (MOSTLYCLEANFILES): Likewise.
5228         (script_test_4): New target.
5229         (script_test_4.stdout): New target.
5230         * testsuite/Makefile.in: Rebuild.
5231
5232         * sparc.cc: Add definitions for Output_data_plt_sparc class
5233         constants.
5234
5235 2008-04-14  David S. Miller  <davem@davemloft.net>
5236
5237         * sparc.cc: New file.
5238         * Makefile.am (TARGETSOURCES): Add sparc.cc
5239         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
5240         * configure.tgt: Document targ_extra_size and
5241         targ_extra_big_endian.  Add entries for sparc-* and
5242         sparc64-*.
5243         * configure.ac: Handle targ_extra_size and
5244         targ_extra_big_endian.
5245         * Makefile.in: Rebuild.
5246         * configure: Likewise.
5247         * po/POTFILES.in: Likewise.
5248         * po/gold.pot: Likewise.
5249
5250 2008-04-14  Ian Lance Taylor  <iant@google.com>
5251
5252         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
5253         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
5254         in the name/type/flags to section mapping.  Don't call
5255         allocate_output_section.
5256         (Layout::choose_output_section): Change parameter from adjust_name
5257         to is_input_section.  Don't permit input sections after sections
5258         are attached to segments.  Don't call allocate_output_section.
5259         (Layout::layout_eh_frame): Call update_flags_for_input_section,
5260         not write_enable_output_section.
5261         (Layout::make_output_section): Don't push to
5262         unattached_section_list_ nor call attach_to_segment.  Call
5263         attach_section_to_segment if sections are attached.
5264         (Layout::attach_sections_to_segments): New function.
5265         (Layout::attach_section_to_segment): New function.
5266         (Layout::attach_allocated_section_to_segment): Rename from
5267         attach_to_segment.  Remove flags parameter.
5268         (Layout::allocate_output_section): Remove function.
5269         (Layout::write_enable_output_section): Remove function.
5270         * layout.h (class Layout): Update for above changes.  Add new
5271         field sections_are_attached_.
5272         * output.h (Output_section::update_flags_for_input_section): New
5273         function.
5274         * output.cc (Output_section::add_input_section): Call
5275         update_flags_for_input_section.
5276         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
5277
5278 2008-04-11  Cary Coutant  <ccoutant@google.com>
5279
5280         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
5281         thought unnecessary.
5282         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
5283
5284 2008-04-11  Ian Lance Taylor  <iant@google.com>
5285
5286         * output.h (class Output_section_data): Remove inline definition
5287         of set_addralign.
5288         * output.cc (Output_section_data::set_addralign): New function.
5289
5290 2008-04-11  Cary Coutant  <ccoutant@google.com>
5291
5292         Add support for TLS descriptors for i386 and x86_64.
5293         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
5294         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
5295         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
5296         GOT_TYPE_TLS_DESC.
5297         (Target_i386::got_mod_index_entry): Remove unnecessary code.
5298         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
5299         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
5300         relocations.
5301         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
5302         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
5303         Fix problem with initial-exec relocations.
5304         (Target_i386::Relocate::relocate_tls): Likewise.
5305         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
5306         relaxation.
5307         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
5308         support for section-plus-offset dynamic table entries.
5309         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
5310         (Output_data_dynamic::Dynamic_entry): Add support for
5311         section-plus-offset dynamic table entries.
5312         (Output_data_dynamic::Classification): Likewise.
5313         (Output_data_dynamic::classification_): Renamed offset_.
5314         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
5315         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
5316         (Target_x86_64::make_plt_section): New function.
5317         (Target_x86_64::reserve_tlsdesc_entries): New function.
5318         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
5319         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
5320         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
5321         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
5322         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
5323         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
5324         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
5325         add extra PLT entry for TLS descriptors.
5326         (Output_data_plt_x86_64::got_): New field.
5327         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
5328         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
5329         fields.
5330         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
5331         descriptors.
5332         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
5333         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
5334         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
5335         R_386_TLS_DESC_CALL relocations.
5336         (Target_x86_64::Scan::global): Likewise.
5337         (Target_x86_64::do_finalize_sections): Add dynamic table entries
5338         for TLS descriptors.
5339         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
5340         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
5341         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
5342         GD-to-IE relaxation.
5343         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
5344         and TLS_DESCRIPTORS.
5345         * Makefile.in: Rebuild.
5346         * configure: Rebuild.
5347         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
5348         (tls_test_shared2.so): New target.
5349         (tls_shared_gd_to_ie_test_SOURCES): New variable.
5350         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
5351         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
5352         (tls_shared_gd_to_ie_test_LDADD): New variable.
5353         (tls_shared_gnu2_gd_to_ie_test): New target.
5354         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
5355         New targets.
5356         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
5357         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
5358         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
5359         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
5360         (tls_shared_gnu2_test): New target.
5361         (tls_test_gnu2_shared.so): New target.
5362         (tls_shared_gnu2_test_SOURCES): New variable.
5363         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
5364         (tls_shared_gnu2_test_LDFLAGS): New variable.
5365         (tls_shared_gnu2_test_LDADD): New variable.
5366         * testsuite/Makefile.in: Rebuild.
5367         * testsuite/Makefile.
5368
5369 2008-04-11  Ian Lance Taylor  <iant@google.com>
5370
5371         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5372         justsyms.t.
5373         * testsuite/Makefile.in: Rebuild.
5374
5375         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5376         long.
5377         * testsuite/script_test_2.cc (main): Adjust test.
5378
5379 2008-04-11  David S. Miller  <davem@davemloft.net>
5380             Ian Lance Taylor  <iant@google.com>
5381
5382         * options.h (General_options): Add entries for '-Y' and
5383         '-relax'.
5384         * options.cc (General_options:finalize): If -Y was used, add those
5385         entries to the library path instead of the default "/lib" and
5386         "/usr/lib".
5387
5388 2008-04-11  David S. Miller  <davem@davemloft.net>
5389
5390         * testsuite/justsyms.t: Start at 0x100.
5391         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
5392         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5393         long.
5394         * testsuite/script_test_2.cc: Adjust string and section length
5395         checks.
5396
5397 2008-04-09  Ian Lance Taylor  <iant@google.com>
5398
5399         PR gold/5996
5400         * script-sections.cc (Sections_element::allocate_to_segment): Add
5401         orphan parameter.
5402         (Output_section_definition::allocate_to_segment): Likewise.
5403         (Orphan_output_section::allocate_to_segment): Likewise.
5404         (Script_sections::attach_sections_using_phdrs_clause): Don't
5405         propagate non-PT_LOAD segments to orphan sections.
5406         * testsuite/Makefile.am (script_test_3.stdout): Generate using
5407         readelf rather than objdump.
5408         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
5409         .interp section and PT_INTERP segment are the same size.
5410         * testsuite/Makefile.in: Rebuild.
5411
5412         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5413         aliases for symbols defined in the same object.
5414         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5415         (weak_alias_test_SOURCES): New variable.
5416         (weak_alias_test_DEPENDENCIES): New variable.
5417         (weak_alias_test_LDFLAGS): New variable.
5418         (weak_alias_test_LDADD): New variable.
5419         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5420         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5421         (weak_alias_test_3.o): New target.
5422         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5423         * testsuite/weak_alias_test_main.cc: New file.
5424         * testsuite/weak_alias_test_1.cc: New file.
5425         * testsuite/weak_alias_test_2.cc: New file.
5426         * testsuite/weak_alias_test_3.cc: New file.
5427
5428 2008-04-08  Ian Lance Taylor  <iant@google.com>
5429
5430         * options.h (class General_options): Add --noinhibit-exec option.
5431         * main.cc (main): Check --noinhibit-exec.
5432
5433         * options.h (class General_options): Define --wrap as a special
5434         option.  Add wrap_symbols_ field.
5435         (General_options::any_wrap_symbols): New function.
5436         (General_options::is_wrap_symbol): New function.
5437         * options.cc (General_options::parse_wrap): New function.
5438         (General_options::General_options): Initialize wrap_symbols_.
5439         * symtab.cc (Symbol_table::wrap_symbol): New function.
5440         (Symbol_table::add_from_object): Handle --wrap.
5441         * symtab.h (class Symbol_table): Declare wrap_symbol.
5442         * target.h (Target::wrap_char): New function.
5443         (Target::Target_info): Add wrap_char field.
5444         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5445         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5446         * testsuite/testfile.cc (Target_test::test_target_info):
5447         Likewise.
5448
5449         * errors.cc (Errors::undefined_symbol): Mention symbol version if
5450         there is one.
5451
5452         * layout.h (class Layout): Add added_eh_frame_data_ field.
5453         * layout.cc (Layout::Layout): Initialize new field.
5454         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5455         output section until we find a section we merged successfully.
5456         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5457         that the size be non-zero.
5458
5459         * merge.cc (Object_merge_map::get_output_offset): Remove inline
5460         qualifier.
5461
5462 2008-04-08  Craig Silverstein  <csilvers@google.com>
5463
5464         * configure.ac: Export new conditional variable HAVE_ZLIB.
5465         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5466         on HAVE_ZLIB.
5467         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5468         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5469
5470 2008-04-07  Ian Lance Taylor  <iant@google.com>
5471
5472         * version.cc (version_string): Set to "1.5".
5473
5474         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5475         Add issued_non_pic_error_ field.  Declare check_non_pic.
5476         (Target_x86_64::Scan::check_non_pic): New function.
5477         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5478         (Target_x86_64::Scan::global): Likewise.
5479
5480         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
5481         addend parameter.  Change caller.  Handle merge sections.
5482         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
5483         Address to Addend.  Don't add in the result of
5484         local_section_offset, pass down the addend and use the returned
5485         value.
5486         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
5487         Update declarations of local_section_offset and symbol_value.
5488         * testsuite/two_file_test_1.cc (t18): New function.
5489         * testsuite/two_file_test_2.cc (f18): New function.
5490         * testsuite/two_file_test_main.cc (main): Call t18.
5491         * testsuite/two_file_test.h (t18, f18): Declare.
5492
5493         * configure.ac: Don't test for objdump, c++filt, or readelf.
5494         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
5495         conditionals.
5496         (TEST_READELF): New variable.
5497         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
5498         (check_PROGRAMS): Add two_file_strip_test.
5499         (two_file_strip_test): New target.
5500         (check_PROGRAMS): Add two_file_same_shared_strip_test.
5501         (two_file_same_shared_strip_test_SOURCES): New variable.
5502         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
5503         (two_file_same_shared_strip_test_LDFLAGS): New variable.
5504         (two_file_same_shared_strip_test_LDADD): New variable.
5505         (two_file_shared_strip.so): New target.
5506         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
5507         (ver_test_5.syms, ver_test_7.syms): Likewise.
5508         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
5509         (strip_test_3.stdout): Use TEST_OBJDUMP.
5510         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5511
5512 2008-04-04  Cary Coutant  <ccoutant@google.com>
5513
5514         * symtab.h (Symbol::is_weak_undefined): New function.
5515         (Symbol::is_strong_undefined): New function.
5516         (Symbol::is_absolute): New function.
5517         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
5518         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
5519         absolute symbols.
5520         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
5521         (weak_undef_test): New target.
5522         * testsuite/Makefile.in: Rebuild.
5523         * testsuite/weak_undef_file1.cc: New file.
5524         * testsuite/weak_undef_file2.cc: New file.
5525         * testsuite/weak_undef_test.cc: New file.
5526
5527 2008-04-03  Craig Silverstein  <csilvers@google.com>
5528
5529         * compressed_output.h (class Output_compressed_section): Use
5530         unsigned buffer.
5531         * compressed_output.cc (zlib_compress): Use unsigned buffers,
5532         add zlib header.
5533         (zlib_compressed_suffix): Removed.
5534         (Output_compressed_section::set_final_data_size): Use unsigned
5535         buffers.
5536         * testsuite/Makefile.am (flagstest_compress_debug_sections):
5537         Fix linker invocation.
5538         (flagstest_o_specialfile_and_compress_debug_sections):
5539         Likewise.
5540         * testsuite/Makefile.in: Regenerated.
5541
5542 2008-04-02  David S. Miller  <davem@davemloft.net>
5543
5544         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
5545         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
5546
5547 2008-04-02  Craig Silverstein  <csilvers@google.com>
5548
5549         * TODO: New file.
5550
5551 2008-04-02  Ian Lance Taylor  <iant@google.com>
5552
5553         * fileread.cc (File_read::find_view): Add byteshift and vshifted
5554         parameters.  Update for new key type to views_.  Change all
5555         callers.
5556         (File_read::read): Adjust for byteshift in returned view.
5557         (File_read::add_view): New function, broken out of
5558         find_and_make_view.
5559         (File_read::make_view): New function, broken out of
5560         find_and_make_view.
5561         (File_read::find_or_make_view): Add offset and aligned
5562         parameters.  Rewrite accordingly.  Change all callers.
5563         (File_read::get_view): Add offset and aligned parameters.  Adjust
5564         for byteshift in return value.
5565         (File_read::get_lasting_view): Likewise.
5566         * fileread.h (class File_read): Update declarations.
5567         (class File_read::View): Add byteshift_ field.  Add byteshift to
5568         constructor.  Add byteshift method.
5569         * archive.h (Archive::clear_uncached_views): New function.
5570         (Archive::get_view): Add aligned parameter.  Change all callers.
5571         * object.h (Object::get_view): Add aligned parameter.  Change all
5572         callers.
5573         (Object::get_lasting_view): Likewise.
5574
5575         * fileread.cc (File_read::release): Don't call clear_views if
5576         there are multiple objects.
5577         * fileread.h (File_read::clear_uncached_views): New function.
5578         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
5579         on the archive.
5580
5581 2008-03-31  Cary Coutant  <ccoutant@google.com>
5582
5583         Add thin archive support.
5584         * archive.cc (Archive::armagt): New const.
5585         (Archive::setup): Remove task parameter and calls to unlock.
5586         (Archive::unlock_nested_archives): New function.
5587         (Archive::read_header): Add nested_off parameter. Change
5588         all callers.
5589         (Archive::interpret_header): Likewise.
5590         (Archive::include_all_members): Change to handle thin
5591         archives.
5592         (Archive::include_member): Likewise.
5593         * archive.h (Archive::Archive): Add new parameters and
5594         initializers.
5595         (Archive::armagt): New const.
5596         (Archive::setup): Remove task parameter.
5597         (Archive::unlock_nested_archives): New function.
5598         (Archive::read_header): Add nested_off parameter.
5599         (Archive::interpret_header): Likewise.
5600         (Archive::Nested_archive_table): New typedef.
5601         (Archive::is_thin_archive_): New field.
5602         (Archive::nested_archives_): New field.
5603         (Archive::options_): New field.
5604         (Archive::dirpath_): New field.
5605         (Archive::task_): New field.
5606         * readsyms.cc (Read_symbols::do_read_symbols): Add check
5607         for thin archives.  Pass additional parameters to
5608         Archive::Archive.  Unlock the archive file after calling
5609         Archive::setup.
5610
5611 2008-03-29  Ian Lance Taylor  <iant@google.com>
5612
5613         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5614         version symbol to be local.
5615         * testsuite/ver_test_4.sh: New file.
5616         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5617         (check_DATA): Add ver_test_4.syms.
5618         (ver_test_4.syms): New target.
5619         * testsuite/Makefile.in: Rebuild.
5620
5621         * output.cc
5622         (Output_section::Input_section_sort_entry::has_priority): New
5623         function.
5624         (Output_section::Input_section_sort_entry::match_file_name): New
5625         function.
5626         (Output_section::Input_section_sort_entry::match_section_name):
5627         Remove.
5628         (Output_section::Input_section_sort_entry::match_section_name_prefix):
5629         Remove.
5630         (Output_section::Input_section_sort_entry::match_section_file):
5631         Remove.
5632         (Output_section::Input_section_sort_compare::operator()): Rewrite
5633         using new Input_section_sort_entry functions.  Sort crtbegin and
5634         crtend first.  Sort sections with no priority before sections with
5635         a priority.
5636         * testsuite/initpri1.c (d3): Check j != 4.
5637         (cd5): New constructor/destructor function.
5638         (main): Check j != 2.
5639
5640         * symtab.cc (Symbol_table::add_from_object): If we don't use the
5641         new symbol when resolving, don't call set_is_default.
5642         * testsuite/ver_test_7.cc: New file.
5643         * testsuite/ver_test_7.sh: New file.
5644         * testsuite/Makefile.am (ver_test_7.so): New target.
5645         (ver_test_7.o): New target.
5646         (check_SCRIPTS): Add ver_test_7.sh.
5647         (check_DATA): Add ver_test_7.syms.
5648         (ver_test_7.syms): New target.
5649
5650 2008-03-28  Ian Lance Taylor  <iant@google.com>
5651
5652         * layout.cc (Layout::layout): If we see an input section with a
5653         name that needs sorting, set the must_sort flag for the output
5654         section.
5655         (Layout::make_output_section): If the name of the output section
5656         indicates that it might require sorting, set the may_sort flag.
5657         * output.h (Output_section::may_sort_attached_input_sections): New
5658         function.
5659         (Output_section::set_may_sort_attached_input_sections): New
5660         function.
5661         (Output_section::must_sort_attached_input_sections): New
5662         function.
5663         (Output_section::set_must_sort_attached_input_sections): New
5664         function.
5665         (class Output_section): Declare Input_section_sort_entry.  Define
5666         Input_section_sort_compare.  Declare
5667         sort_attached_input_sections.  Add new fields:
5668         may_sort_attached_input_sections_,
5669         must_sort_attached_input_sections_,
5670         attached_input_sections_are_sorted_.
5671         * output.cc (Output_section::Output_section): Initialize new
5672         fields.
5673         (Output_section::add_input_section): Add an entry to
5674         input_sections_ if may_sort or must_sort are true.
5675         (Output_section::set_final_data_size): Call
5676         sort_attached_input_sections if necessary.
5677         (Output_section::Input_section_sort_entry): Define new class.
5678         (Output_section::Input_section_sort_compare::operator()): New
5679         function.
5680         (Output_section::sort_attached_input_sections): New function.
5681         * configure.ac: Check whether the compiler supports constructor
5682         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
5683         * testsuite/initpri1.c: New file.
5684         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5685         CONSTRUCTOR_PRIORITY.
5686         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5687         (initpri1_LDFLAGS): New variable.
5688         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5689
5690 2008-03-27  Ian Lance Taylor  <iant@google.com>
5691
5692         * common.cc (Sort_commons::operator): Correct sorting algorithm.
5693         * testsuite/common_test_1.c: New file.
5694         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5695         (common_test_1_SOURCES): New variable.
5696         (common_test_1_DEPENDENCIES): New variable.
5697         (common_test_1_LDFLAGS): New variable.
5698
5699         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5700         and commons_ correctly when NAME/VERSION does not override
5701         NAME/NULL.
5702         * testsuite/ver_test_6.c: New file.
5703         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5704         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5705         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5706
5707 2008-03-26  Ian Lance Taylor  <iant@google.com>
5708
5709         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5710         of an undefined symbol from a version script.
5711         * testsuite/Makefile.am (ver_test_5.so): New target.
5712         (ver_test_5.o): New target.
5713         (check_SCRIPTS): Add ver_test_5.sh.
5714         (check_DATA): Add ver_test_5.syms.
5715         (ver_test_5.syms): New target.
5716         * testsuite/ver_test_5.cc: New file.
5717         * testsuite/ver_test_5.script: New file.
5718         * testsuite/ver_test_5.sh: New file.
5719         * Makefile.in, testsuite/Makefile.in: Rebuild.
5720
5721         PR gold/5986
5722         Fix problems building gold with gcc 4.3.0.
5723         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5724         (gold_error_at_location, gold_warning_at_location): Use it.
5725         * configure.ac: Check whether we can compile and use a template
5726         function with a printf attribute.
5727         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5728         when jumping over bytes.
5729         * object.cc: Instantiate Object::read_section_data.
5730         * debug.h: Include <cstring>
5731         * dwarf_reader.cc: Include <algorithm>
5732         * main.cc: Include <cstring>.
5733         * options.cc: Include <cstring>.
5734         * output.cc: Include <cstring>.
5735         * script.cc: Include <cstring>.
5736         * script.h: Include <string>.
5737         * symtab.cc: Include <cstring> and <algorithm>.
5738         * target-select.cc: Include <cstring>.
5739         * version.cc: Include <string>.
5740         * testsuite/testmain.cc: Include <cstdlib>.
5741         * configure, config.in: Rebuild.
5742
5743 2008-03-25  Ian Lance Taylor  <iant@google.com>
5744
5745         * options.cc: Include "../bfd/bfdver.h".
5746         (options::help): Print bug reporting address.
5747
5748         * version.cc (print_version): Adjust output for current value of
5749         BFD_VERSION_STRING.
5750
5751         * NEWS: New file.
5752
5753         * options.cc (options::help): Print list of supported targets.
5754         * target-select.h: Include <vector>.
5755         (class Target_selector): Make machine_, size_, and is_big_endian_
5756         fields const.  Add bfd_name_ and instantiated_target_ fields.
5757         (Target_selector::Target_selector): Add bfd_name parameter.
5758         (Target_selector::recognize): Make non-virtual, call
5759         do_recognize.
5760         (Target_selector::recognize_by_name): Make non-virtual, call
5761         do_recognize_by_name.
5762         (Target_selector::supported_names): New function.
5763         (Target_selector::bfd_name): New function.
5764         (Target_selector::do_instantiate_target): New pure virtual
5765         function.
5766         (Target_selector::do_recognize): New virtual function.
5767         (Target_selector::do_recognize_by_name): New virtual function.
5768         (Target_selector::instantiate_target): New private function.
5769         (supported_target_names): Declare.
5770         * target-select.cc (Target_selector::Target_selector): Update for
5771         new parameter and fields.
5772         (select_target_by_name): Check that the name matches before
5773         calling recognize_by_name.
5774         (supported_target_names): New function.
5775         * i386.cc (class Target_selector_i386): Update Target_selector
5776         constructor call.  Remove recognize and recognize_by_name.  Add
5777         do_instantiate_target.
5778         * x86_64.cc (class Target_selector_x86_64): Likewise.
5779         * testsuite/testfile.cc (class Target_selector_test): Update for
5780         changes to Target_selector.
5781
5782         * README: Rewrite, with some notes on unsupported features.
5783
5784 2008-03-24  Cary Coutant  <ccoutant@google.com>
5785
5786         * i386.cc (Target_i386::Got_type): New enum declaration.
5787         (Target_i386::Scan::local): Updated callers of Output_data_got
5788         member functions.
5789         (Target_i386::Scan::global): Likewise.
5790         (Target_i386::Relocate::relocate): Likewise.
5791         (Target_i386::Relocate::relocate_tls): Likewise.
5792         * object.h (Got_offset_list): New class.
5793         (Sized_relobj::local_has_got_offset): Added got_type parameter.
5794         (Sized_relobj::local_got_offset): Likewise.
5795         (Sized_relobj::set_local_got_offset): Likewise.
5796         (Sized_relobj::local_has_tls_got_offset): Removed.
5797         (Sized_relobj::local_tls_got_offset): Removed.
5798         (Sized_relobj::set_local_tls_got_offset): Removed.
5799         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5800         * output.cc (Output_data_got::add_global): Added got_type parameter.
5801         (Output_data_got::add_global_with_rel): Likewise.
5802         (Output_data_got::add_global_with_rela): Likewise.
5803         (Output_data_got::add_global_pair_with_rel): New function.
5804         (Output_data_got::add_global_pair_with_rela): New function.
5805         (Output_data_got::add_local): Added got_type parameter.
5806         (Output_data_got::add_local_with_rel): Likewise.
5807         (Output_data_got::add_local_with_rela): Likewise.
5808         (Output_data_got::add_local_pair_with_rel): New function.
5809         (Output_data_got::add_local_pair_with_rela): New function.
5810         (Output_data_got::add_global_tls): Removed.
5811         (Output_data_got::add_global_tls_with_rel): Removed.
5812         (Output_data_got::add_global_tls_with_rela): Removed.
5813         (Output_data_got::add_local_tls): Removed.
5814         (Output_data_got::add_local_tls_with_rel): Removed.
5815         (Output_data_got::add_local_tls_with_rela): Removed.
5816         * output.h (Output_data_got::add_global): Added got_type parameter.
5817         (Output_data_got::add_global_with_rel): Likewise.
5818         (Output_data_got::add_global_with_rela): Likewise.
5819         (Output_data_got::add_global_pair_with_rel): New function.
5820         (Output_data_got::add_global_pair_with_rela): New function.
5821         (Output_data_got::add_local): Added got_type parameter.
5822         (Output_data_got::add_local_with_rel): Likewise.
5823         (Output_data_got::add_local_with_rela): Likewise.
5824         (Output_data_got::add_local_pair_with_rel): New function.
5825         (Output_data_got::add_local_pair_with_rela): New function.
5826         (Output_data_got::add_global_tls): Removed.
5827         (Output_data_got::add_global_tls_with_rel): Removed.
5828         (Output_data_got::add_global_tls_with_rela): Removed.
5829         (Output_data_got::add_local_tls): Removed.
5830         (Output_data_got::add_local_tls_with_rel): Removed.
5831         (Output_data_got::add_local_tls_with_rela): Removed.
5832         * resolve.cc (Symbol::override_base_with_special): Removed
5833         reference to has_got_offset_ field.
5834         * symtab.cc (Symbol::init_fields): Replaced initialization
5835         of got_offset_ with got_offsets_.  Removed initialization
5836         of has_got_offset_
5837         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5838         (Symbol::got_offset): Likewise.
5839         (Symbol::set_got_offset): Likewise.
5840         (Symbol::has_tls_got_offset): Removed.
5841         (Symbol::tls_got_offset): Removed.
5842         (Symbol::set_tls_got_offset): Removed.
5843         (Symbol::got_offset_): Removed.
5844         (Symbol::tls_mod_got_offset_): Removed.
5845         (Symbol::tls_pair_got_offset_): Removed.
5846         (Symbol::got_offsets_): New field.
5847         (Symbol::has_got_offset): Removed.
5848         (Symbol::has_tls_mod_got_offset): Removed.
5849         (Symbol::has_tls_pair_got_offset): Removed.
5850         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5851         (Target_x86_64::Scan::local): Updated callers of Output_data_got
5852         member functions.
5853         (Target_x86_64::Scan::global): Likewise.
5854         (Target_x86_64::Relocate::relocate): Likewise.
5855         (Target_x86_64::Relocate::relocate_tls): Likewise.
5856
5857 2008-03-25  Ben Elliston  <bje@au.ibm.com>
5858
5859         * yyscript.y: Fix spelling error in comment.
5860
5861 2008-03-24  Ian Lance Taylor  <iant@google.com>
5862
5863         * options.h (class General_options): Define build_id option.
5864         * layout.h (class Layout): Declare write_build_id, create_note,
5865         create_build_id.  Add build_id_note_ member.
5866         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5867         "libiberty.h", "md5.h", "sha1.h".
5868         (Layout::Layout): Initialize eh_frame_data_,
5869         eh_frame_hdr_section_, and build_id_note_.
5870         (Layout::finalize): Call create_build_id.
5871         (Layout::create_note): New function, broken out of
5872         Layout::create_gold_note.
5873         (Layout::create_gold_note): Call create_note.
5874         (Layout::create_build_id): New function.
5875         (Layout::write_build_id): New function.
5876         (Close_task_runner::run): Call write_build_id.
5877
5878         * x86_64.cc: Correct license to GPLv3.
5879
5880 2008-03-23  Ian Lance Taylor  <iant@google.com>
5881
5882         * options.cc: Include "demangle.h".
5883         (parse_optional_string): New function.
5884         (parse_long_option): Handle takes_optional_argument.
5885         (parse_short_option): Update dash_z initializer.  Handle
5886         takes_optional_argument.
5887         (General_options::General_options): Initialize do_demangle_.
5888         (General_options::finalize): Set do_demangle_.  Handle demangling
5889         style.
5890         * options.h (parse_optional_string): Declare.
5891         (struct One_option): Add optional_arg field.  Update constructor.
5892         Update call constructor calls.  Add takes_optional_argument
5893         function.
5894         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
5895         (DEFINE_optional_string): Define.
5896         (General_options::demangle): Change from DEFINE_bool to
5897         DEFINE_optional_string.
5898         (General_options::no_demangle): New function.
5899         (General_options::do_demangle): New function.
5900         (General_options::set_do_demangle): New function.
5901         (General_options::execstack_status_): Move definition to end of
5902         class definition.
5903         (General_options::static_): Likewise.
5904         (General_options::do_demangle_): New field.
5905         * object.cc (big_endian>::get_symbol_location_info): Call
5906         Options::do_demangle, not Options::demangle.
5907         * symtab.cc (demangle): Likewise.
5908
5909 2008-03-22  Ian Lance Taylor  <iant@google.com>
5910
5911         * gold.h: Include <cstddef> and <sys/types.h>
5912         * options.h: Include <cstring>.
5913
5914 2008-03-21  Ian Lance Taylor  <iant@google.com>
5915
5916         * Added source code to GNU binutils.