gold/ChangeLog

   1 2010-01-07  Ian Lance Taylor  <iant@google.com>
   2
   3         PR 10980
   4         * options.h (class General_options): Add --warn-unresolved-symbols
   5         and --error-unresolved-symbols.
   6         * errors.cc (Errors::undefined_symbol): Implement
   7         --warn-unresolved-symbols.
   8
   9         * options.h (class General_options): Add -z text and -z textoff.
  10         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
  11
  12 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
  13
  14         * gc.h (Garbage_collection::Cident_section_map): New typedef.
  15         (Garbage_collection::cident_sections): New function.
  16         (Garbage_collection::add_cident_section): New function.
  17         (Garbage_collection::cident_sections_): New member.
  18         (gc_process_relocs): Add references to sections whose names are C
  19         identifiers.
  20         * gold.h (cident_section_start_prefix): New constant.
  21         (cident_section_stop_prefix): New constant.
  22         (is_cident): New function.
  23         * layout.cc (Layout::define_section_symbols): Replace string constants
  24         with the newly defined constants.
  25         * object.cc (Sized_relobj::do_layout): Track sections whose names are
  26         C identifiers.
  27         * testsuite/Makefile.am: Add gc_orphan_section_test.
  28         * testsuite/Makefile.in: Regenerate.
  29         * testsuite/gc_orphan_section_test.cc: New file.
  30         * testsuite/gc_orphan_section_test.sh: New file.
  31
  32 2010-01-06  Ian Lance Taylor  <iant@google.com>
  33
  34         PR 10980
  35         * options.h (class General_options): Add --warn-shared-textrel.
  36         * layout.cc (Layout::finish_dynamic_section): Implement
  37         --warn-shared-textrel.
  38
  39         PR 10980
  40         * options.h (class General_options): Add --warn-multiple-gp.
  41
  42 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
  43
  44         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
  45         $(THREADSLIB) and $(LIBDL).
  46         * Makefile.in: Rebuild.
  47
  48 2010-01-06  Ian Lance Taylor  <iant@google.com>
  49
  50         PR 10980
  51         * options.cc (General_options::parse_section_start): New function.
  52         (General_options::section_start): New function.
  53         (General_options::General_options): Initialize all members.
  54         * options.h: Include <map>
  55         (class General_options): Add --section-start.  Add section_starts_
  56         member.
  57         * layout.cc (Layout::attach_allocated_section_to_segment): If
  58         --section-start was used, set the address of the segment.  Remove
  59         local sort_sections.
  60         (Layout::relaxation_loop_body): If the address of the load segment
  61         has been set by --section-start, don't use it.
  62         * output.h (Output_segment::update_flags_for_output_section): New
  63         function.
  64         * output.cc (Output_segment::add_output_section): Call
  65         update_flags_for_output_section.
  66
  67 2010-01-05  Ian Lance Taylor  <iant@google.com>
  68
  69         PR 10980
  70         * options.h (class General_options): Add --undefined-version.
  71         * script.cc (struct Version_expression): Add was_matched_by_symbol
  72         field.
  73         (Version_script_info::matched_symbol): New function.
  74         (Version_script_info::get_symbol_version_helper): Call
  75         matched_symbol.
  76         (Version_script_info::check_unmatched_names): New function.
  77         * script.h (class Version_script_info): Update declarations.
  78         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
  79
  80         * options.h (class General_options): Use DEFINE_bool_alias for
  81         allow_multiple_definition.
  82         * resolve.cc (Symbol_table::should_override): Don't test
  83         allow_multiple_definition.
  84
  85         PR 10980
  86         * options.h (class General_options): Add --cref.
  87         * main.cc (main): Print cref table if --cref.  Don't close mapfile
  88         until after printing cref table.
  89         * cref.cc: Include "symtab.h".
  90         (class Cref_inputs): Define Cref_table_compare and Cref_table.
  91         (Cref_table_compare::operator()): New function.
  92         (Cref_inputs::gather_cref): New function.
  93         (filecol): New static const.
  94         (Cref_inputs::print_cref): New function.
  95         (Cref::print_cref): New function.
  96         * cref.h: Include <cstdio>.
  97         (class Cref): Update declarations.
  98         * mapfile.h (Mapfile::file): New function.
  99         * object.h (class Object): Define Symbols.  Declare virtual
 100         do_get_global_symbols.
 101         (Object::get_global_symbols): New function.
 102         * object.cc (Input_objects::add_object): Pass object to cref_ if
 103         --cref.
 104         (Input_objects::archive_start): Likewise.
 105         (Input_objects::archive_stop): Likewise.
 106         (Input_objects::print_cref): New function.
 107         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
 108         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
 109         --cref.
 110         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
 111         function.
 112         * plugin.h (class Sized_pluginobj): Update declarations.
 113
 114 2010-01-05  Ian Lance Taylor  <iant@google.com>
 115
 116         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
 117         to is_default_version.  Rename insdef to insdefault.
 118         (Symbol_table::add_from_relobj): Rename def to is_default_version
 119         and local to is_forced_local.
 120         (Symbol_table::add_from_pluginobj): Likewise.
 121         (Symbol_table::add_from_dynobj): Likewise.
 122         (Symbol_table::define_special_symbol): Rename insdef to
 123         insdefault.
 124
 125 2010-01-04  Ian Lance Taylor  <iant@google.com>
 126
 127         PR 10980
 128         * options.h (class General_options): Add
 129         --allow-multiple-definition and -z muldefs.
 130         * resolve.cc (Symbol_table::should_override): Don't warn about a
 131         multiple symbol definition if --allow-multiple-definition or -z
 132         muldefs.
 133
 134         PR 10980
 135         * options.h (class General_options): Add --add-needed and
 136         --copy-dt-needed-entries.  Tweak --as-needed help entry.
 137         * object.cc (Input_objects::check_dynamic_dependencies): Give an
 138         error if --copy-dt-needed-entries aka --add-needed is used and
 139         would cause a change in behaviour.
 140
 141         PR 10980
 142         * options.h (class General_options): Add -G as a short version of
 143         --shared.  Add no-op options -assert, -g, and -i.
 144
 145 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
 146
 147         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
 148         check for .text or .gnu.linkonce.t sections.
 149         * icf.cc (Icf::find_identical_sections): Ditto.
 150         Change the detection for mangled function name within the section
 151         name.
 152         * icf.h (is_section_foldable_candidate): New function.
 153
 154 2009-12-30  Ian Lance Taylor  <iant@google.com>
 155
 156         PR 10980
 157         * options.h (class General_options): Permit two dashes with
 158         --retain-symbols-file.
 159
 160 2009-12-30  Ian Lance Taylor  <iant@google.com>
 161
 162         PR 10979
 163         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
 164         don't put the file header and segment headers in the text
 165         segment.
 166
 167         PR 10979
 168         * common.cc (Sort_commons::operator()): Stabilize sort when both
 169         entries are NULL.
 170         (Symbol_table::do_allocate_commons_list): When allocating common
 171         symbols, skip a symbol which is no longer common.
 172         * symtab.h (Symbol::is_common): Test whether the symbol comes from
 173         an object before checking its type.
 174         * testsuite/common_test_2.c: New file.
 175         * testsuite/common_test_3.c: New file.
 176         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
 177         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
 178         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
 179         (common_test_2_pic.o, common_test_2.so): New targets.
 180         (common_test_3_pic.o, common_test_3.so): New targets.
 181         * testsuite/Makefile.in: Rebuild.
 182
 183         PR 10979
 184         * script.cc (read_input_script): If we see a new SECTIONS clause,
 185         and we have added an input section, give an error.
 186         * layout.h (class Layout): Add have_added_input_section function.
 187         Add have_added_input_section_ field.
 188         * layout.cc (Layout::Layout): Initialize
 189         have_added_input_section_.
 190         (Layout::layout): Set have_added_input_section_.
 191         (Layout::layout_eh_frame): Likewise.
 192
 193 2009-12-30  Ian Lance Taylor  <iant@google.com>
 194
 195         PR 10931
 196         * options.h (class General_options): Add --sort-common option.
 197         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
 198         * common.cc (Sort_common): Add sort_order parameter to
 199         constructor.  Add sort_order_ field.
 200         (Sort_commons::operator): Check sort_order_.
 201         (Symbol_table::allocate_commons): Determine the sort order.
 202         (Symbol_table::do_allocate_commons): Add sort_order parameter.
 203         Change all callers.
 204         (Symbol_table::do_allocate_commons_list): Likewise.
 205
 206 2009-12-30  Ian Lance Taylor  <iant@google.com>
 207
 208         PR 10916
 209         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
 210         symbols from this object, don't change the visibility of an
 211         undefined symbol.
 212         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
 213
 214 2009-12-30  Ian Lance Taylor  <iant@google.com>
 215
 216         PR 10861
 217         * script.h (class Version_script_info): Define Language enum.
 218         Update declarations.  Define Glob, Exact, and Lookup types.  Add
 219         new fields globals_, locals_, and is_finalized_.
 220         * script.cc: Various formatting fixes.
 221         (class Parser_closure): Change language_stack_ from a vector of
 222         std::string to one of Version_script_info::Language.  Adjust all
 223         uses accordingly.
 224         (class Lazy_demangler): Remove.
 225         (struct Version_expression): Change language from std::string to
 226         Version_script_info::Language.
 227         (Version_script_info::Version_script_info): New function.
 228         (Version_script_info::~Version_script_info): Don't call clear.
 229         (Version_script_info::finalize): New function.
 230         (Version_script_info::build_lookup_tables): New function.
 231         (Version_script_info::build_expression_list_lookup): New
 232         function.
 233         (Version_script_info::get_symbol_version_helper): Rewrite to use
 234         lookup tables.
 235         (Version_script_info::print_expression_list): Adjust to use
 236         Version_script_info::Language.
 237         (script_push_lex_into_version_mode): Check that the version script
 238         has not been finalized.
 239         (version_script_push_lang): Change language string to
 240         Version_script_info::Language.
 241         * options.cc (Command_line::version_script): New function.
 242         * options.h (class General_options): Add finalize_dynamic_list
 243         function.  Change version_script from declaration to definition.
 244         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
 245         * testsuite/version_script.map: Remove duplicate def of foo.
 246         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
 247         version_script.map.
 248         * testsuite/Makefile.in: Rebuild.
 249
 250 2009-12-30  Ian Lance Taylor  <iant@google.com>
 251
 252         PR 10843
 253         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
 254         if the input symbol index is 0, make the output symbol index 0.
 255
 256 2009-12-30  Ian Lance Taylor  <iant@google.com>
 257
 258         PR 10670
 259         * options.h (class General_options): Add -x/--discard-all.
 260         * object.cc (Sized_relobj::do_count_local_symbols): Handle
 261         --discard-all.  If the local symbol needs a dynamic entry, check
 262         that before handling --discard-locals.
 263
 264 2009-12-30  Ian Lance Taylor  <iant@google.com>
 265
 266         PR 10450
 267         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
 268         flags to PF_R.
 269         (Output_segment::add_output_section): Don't change the flags if
 270         the type is PT_TLS.
 271
 272         PR 10450
 273         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
 274         GNU hash table if they need a dynamic value.  Otherwise, don't add
 275         them if they are defined in a dynamic object or are forced local.
 276
 277 2009-12-29  Ian Lance Taylor  <iant@google.com>
 278
 279         PR 10450
 280         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
 281         .gnu.hash table for a 32-bit target.
 282
 283         PR 10450
 284         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
 285         regular and a dynamic object only needs a dynamic symbol table
 286         entry if it is externally visible.
 287
 288         PR 10450
 289         * i386.cc (class Target_i386): Initialize global_offset_table_ in
 290         constructor.  Add global_offset_table_ field.
 291         (Target_i386::got_section): Set global_offset_table_.
 292         (Target_i386::do_finalize_sections): Set global_offset_table_
 293         size.
 294         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
 295         in constructor.  Add global_offset_table_ field.
 296         (Target_x86_64::got_section): Set global_offset_table_.
 297         (Target_x86_64::do_finalize_sections): Set global_offset_table_
 298         size.
 299
 300         * layout.cc (Layout::Layout): Initialize increase_relro_.
 301         (Layout::get_output_section): Add is_relro, is_last_relro, and
 302         is_first_non_relro parameters.  Change all callers.
 303         (Layout::choose_output_section): Likewise.
 304         (Layout::add_output_section_data): Likewise.
 305         (Layout::make_output_section): Likewise.
 306         (Layout::set_segment_offsets): Clear increase_relro when using a
 307         linker script.
 308         * layout.h (class Layout): Add increase_relro method.  Add
 309         increase_relro_ field.  Update declarations.
 310         * output.cc (Output_section::Output_section): Initialize
 311         is_last_relro_ and is_first_non_relro_.
 312         (Output_segment::add_output_section): Group relro sections is
 313         do_sort is true.  Handle is_last_relro and is_first_non_relro.
 314         (Output_segment::maximum_alignment): Remove relro handling.
 315         (Output_segment::set_section_addresses): Add increase_relro
 316         parameter.  Change all callers.  Add initial alignment to align
 317         relro sections on separate page.  Remove old relro handling.
 318         (Output_segment::set_section_list_addresses): Remove in_relro
 319         parameter.  Change all callers.
 320         (Output_segment::set_offset): Add increase parameter.  Change all
 321         callers.  Remove old relro handling.
 322         * output.h (class Output_section): Add new methods: is_last_relro,
 323         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
 324         Add is_last_relro_ and is_first_non_relro_ fields.
 325         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
 326         Create separate .got.plt section.  Call increase_relro.
 327         * x86_64.cc (Target_x86_64::got_section): Likewise.
 328         * testsuite/relro_script_test.t: Add .got.plt.
 329
 330         PR 10450
 331         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
 332         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
 333         (Layout::finalize): Call set_dynamic_symbol_size.
 334         (Layout::set_dynamic_symbol_size): New function.
 335         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
 336         set_dynamic_symbol_size.
 337
 338         PR 10450
 339         * output.h (class Output_section): Add is_entsize_zero_ field.
 340         * output.cc (Output_section::Output_section): Initialize
 341         is_entsize_zero_.
 342         (Output_section::set_entsize): If two different entsizes are
 343         requested, force it to zero.
 344         (Output_section::add_input_section): Set flags for .debug_str
 345         before updating section flags.  Set entsize.
 346         (Output_section::update_flags_for_input_section): Set SHF_MERGE
 347         and SHF_STRING if all input sections have those flags.
 348
 349 2009-12-29   Rafael Espindola  <espindola@google.com>
 350
 351         * main.cc (main): Fix the sys time reporting.
 352         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
 353         reporting.
 354
 355 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
 356
 357         * options.cc (General_options::parse_version): Allow -v to exit
 358         without an error if there is nothing to link.
 359
 360 2009-12-29  Ian Lance Taylor  <iant@google.com>
 361
 362         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
 363         using a version of gcc before 4.1.
 364         * configure: Rebuild.
 365
 366 2009-12-28  Chris Demetriou  <cgd@google.com>
 367
 368         * attributes.cc (Output_attributes_section_data::do_write): Use
 369         std::vector::front rather than std::vector::data.
 370
 371 2009-12-28  Ian Lance Taylor  <iant@google.com>
 372
 373         * symtab.h (class Symbol_table): Add enum Defined.
 374         * resolve.cc (Symbol_table::should_override): Add defined
 375         parameter.  Change all callers.  Test whether object is NULL
 376         before calling a method on it.
 377         (Symbol_table::report_resolve_problem): Add defined parameter.
 378         Change all callers.
 379         (Symbol_table::should_override_with_special): Likewise.
 380         * symtab.cc (Symbol_table::define_in_output_data): Add defined
 381         parameter.  Change all callers.
 382         (Symbol_table::do_define_in_output_data): Likewise.
 383         (Symbol_table::define_in_output_segment): Likewise.
 384         (Symbol_table::do_define_in_output_segment): Likewise.
 385         (Symbol_table::define_as_constant): Likewise.
 386         (Symbol_table::do_define_as_constant): Likewise.
 387         * script.h (class Symbol_assignment): Add is_defsym parameter to
 388         constructor; change all callers.
 389         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
 390         parameter.  Change all callers.  Add is_defsym_ field.
 391         (class Parser_closure): Add parsing_defsym parameter to
 392         constructor; change all callers.  Add parsing_defsym accessor
 393         function.  Add parsing_defsym_ field.
 394
 395 2009-12-28  Ian Lance Taylor  <iant@google.com>
 396
 397         * gold.cc (queue_middle_tasks): Fix formatting.
 398         * object.cc (Relobj::is_section_name_included): Likewise.
 399
 400 2009-12-23  Ian Lance Taylor  <iant@google.com>
 401
 402         * i386.cc (Target_i386::do_calls_non_split): Recognize
 403         -fsplit-stack prologue for a function with a static chain.
 404         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
 405         -fsplit-stack prologue when using %r11.
 406
 407 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
 408
 409         * options.cc (General_options::parse_version): Make -v continue and do
 410         the link like GNU ld does.
 411
 412 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
 413
 414         * Makefile.am (CCFILES): Add timer.cc.
 415         (HFILES): Add timer.h.
 416         * configure.ac: Check for sysconf and times.
 417         * main.cc: include timer.h.
 418         (main): Use Timer instead of get_run_time.
 419         * timer.cc: New.
 420         * timer.h: New.
 421         * workqueue.cc: include timer.h.
 422         (Workqueue::find_and_run_task):
 423         Report user, sys and wall time.
 424         * Makefile.in: Regenerate.
 425         * config.in: Regenerate.
 426         * configure: Regenerate.
 427
 428 2009-12-16  Doug Kwan  <dougkwan@google.com>
 429
 430         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
 431         sections.
 432         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
 433         relaxed input sections.
 434         * output.cc (Output_section::find_relaxed_input_section): Change
 435         return type to Output_relaxed_input_section pointer.  Adjust code
 436         for new type of relaxed_input_section_map_.
 437         * output.h (Output_section::find_relaxed_input_section): Change
 438         return type to Output_relaxed_input_section pointer.
 439         (Output_section::Output_relaxed_input_section_by_input_section_map):
 440         New type.
 441         (Output_section::relaxed_input_section_map_): Change type to
 442         Output_section::Output_relaxed_input_section_by_input_section_map.
 443         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
 444         input section.
 445
 446 2009-12-15  Ian Lance Taylor  <iant@google.com>
 447
 448         * layout.cc (Layout::create_shstrtab): Only write out after input
 449         sections if we are compressing debug sections.
 450
 451 2009-12-15  Ian Lance Taylor  <iant@google.com>
 452
 453         * archive.cc (Archive::add_symbols): Only look up a symbol without
 454         a version if there is, in fact, a version.
 455
 456 2009-12-14  Ian Lance Taylor  <iant@google.com>
 457
 458         Revert -Wshadow changes, all changes from:
 459         2009-12-11  Doug Kwan  <dougkwan@google.com>
 460         2009-12-11  Nick Clifton  <nickc@redhat.com>
 461         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
 462
 463 2009-12-11  Doug Kwan  <dougkwan@google.com>
 464
 465         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
 466         due to -Wshadow.
 467         * attributes.cc (Object_attribute::size): Ditto.
 468         (Attributes_section_data::size): Ditto.
 469         (Attributes_section_data::Attributes_section_data): Ditto.
 470         (Output_attributes_section_data::do_write): Ditto.
 471         * attributes.h (Object_attribute::set_type): Ditto.
 472         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
 473
 474 2009-12-11  Nick Clifton  <nickc@redhat.com>
 475
 476         * archive.cc: Fix shadowed variable warnings.
 477         * arm.cc: Likewise.
 478         * compressed_output.cc: Likewise.
 479         * compressed_output.h: Likewise.
 480         * configure: Likewise.
 481         * dwarf_reader.cc: Likewise.
 482         * dynobj.cc: Likewise.
 483         * dynobj.h: Likewise.
 484         * ehframe.cc: Likewise.
 485         * ehframe.h: Likewise.
 486         * errors.cc: Likewise.
 487         * expression.cc: Likewise.
 488         * fileread.cc: Likewise.
 489         * fileread.h: Likewise.
 490         * freebsd.h: Likewise.
 491         * i386.cc: Likewise.
 492         * icf.cc: Likewise.
 493         * incremental.h: Likewise.
 494         * layout.cc: Likewise.
 495         * layout.h: Likewise.
 496         * mapfile.cc: Likewise.
 497         * merge.cc: Likewise.
 498         * merge.h: Likewise.
 499         * object.cc: Likewise.
 500         * object.h: Likewise.
 501         * options.h: Likewise.
 502         * output.cc: Likewise.
 503         * output.h: Likewise.
 504         * parameters.cc: Likewise.
 505         * plugin.cc: Likewise.
 506         * powerpc.cc: Likewise.
 507         * reduced_debug_output.cc: Likewise.
 508         * reduced_debug_output.h: Likewise.
 509         * reloc.cc: Likewise.
 510         * reloc.h: Likewise.
 511         * resolve.cc: Likewise.
 512         * script-sections.cc: Likewise.
 513         * script.cc: Likewise.
 514         * script.h: Likewise.
 515         * sparc.cc: Likewise.
 516         * symtab.cc: Likewise.
 517         * symtab.h: Likewise.
 518         * target-select.cc: Likewise.
 519         * target-select.h: Likewise.
 520         * token.h: Likewise.
 521         * workqueue.cc: Likewise.
 522         * workqueue.h: Likewise.
 523         * x86_64.cc: Likewise.
 524
 525 2009-12-10  Doug Kwan  <dougkwan@google.com>
 526
 527         * arm.cc (attributes.h): New include.
 528         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
 529         (Arm_relobj::~Arm_relobj): Delete object pointed by
 530         attributes_section_data_.
 531         (Arm_relobj::attributes_section_data): New method definition.
 532         (Arm_relobj::attributes_section_data_): New data member declaration.
 533         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
 534         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
 535         attributes_section_data_.
 536         (Arm_dynobj::attributes_section_data): New method definition.
 537         (Arm_dynobj::attributes_section_data_): New data member declaration.
 538         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
 539         initialization value of may_use_blx_ to false.
 540         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
 541         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
 542         object attributes to compute results instead of hard-coding.
 543         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
 544         Target_arm::get_secondary_compatible_arch,
 545         Target_arm::set_secondary_compatible_arch
 546         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
 547         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
 548         New method declarations.
 549         (Target_arm::get_aeabi_object_attribute): New method definition.
 550         (Target_arm::attributes_section_data_): New data member declaration.
 551         (read_arm_attributes_section): New template definition.
 552         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
 553         (Arm_dynobj::do_read_symbols): Ditto.
 554         (Target_arm::do_finalize_sections): Merge attributes sections from
 555         input.  Check for BLX use after attributes section merging.
 556         Fix __exidx_start and __exidx_end visibility.  Create an
 557         .ARM.attributes section if necessary.
 558         (Target_arm::get_secondary_compatible_arch,
 559         Target_arm::set_secondary_compatible_arch,
 560         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
 561         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
 562         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
 563         New method definitions.
 564
 565 2009-12-09  Ian Lance Taylor  <iant@google.com>
 566
 567         * plugin.cc (Plugin::load): Don't cast from void* to a function
 568         pointer.
 569
 570 2009-12-09  Ian Lance Taylor  <iant@google.com>
 571
 572         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
 573         information fields.
 574
 575 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
 576
 577         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
 578         Replace two_file_shared_1.so with two_file_shared_2.so.
 579         * testsuite/Makefile.in: Regenerated.
 580
 581 2009-12-08  Doug Kwan  <dougkwan@google.com>
 582
 583         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
 584         (HFILES): Add attributes.h and int_encoding.h.
 585         * Makefile.in: Regenerate.
 586         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
 587         function definitions to int_encoding.cc
 588         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
 589         prototypes to int_encoding.h
 590         * reduced_debug_output.cc (int_encoding.h): New include.
 591         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
 592         function definitions to int_encoding.cc
 593         (insert_into_vector, read_from_pointer): Move template definitions to
 594         int_encoding.h
 595         * attributes.cc: New file.
 596         * attributes.h: New file.
 597         * int_encoding.cc: New file.
 598         * int_encoding.h: New file.
 599
 600 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
 601
 602         PR gold/11055
 603         * incremental-dump.cc (dump_incremental_inputs): New.
 604         (main): Use dump_incremental_inputs.
 605
 606 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
 607
 608         PR gold/10893
 609         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
 610         checking elfcpp::STT_FUNC.
 611         (Target_i386::Relocate::relocate): Likewise.
 612         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 613
 614         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
 615         symbols from shared libraries into normal FUNC symbols.
 616
 617         * symtab.h (Symbol): Add is_func and use it.
 618
 619 2009-12-05  Doug Kwan  <dougkwan@google.com>
 620
 621         * arm.cc (Target_arm::arm_info): Initialize new fields
 622         attributes_section and attributes_vendor.
 623         * i386.cc (Target_i386::i386_info): Same.
 624         * object.cc (Sized_relobj::do_layout): Skip attribute section.
 625         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
 626         fields attributes_section and attributes_vendor.
 627         * sparc.cc (Target_sparc::sparc_info): Same.
 628         * target.h (Target::attributes_section, Target::attributes_vendor,
 629         Target::is_attributes_section, Target::attribute_arg_type,
 630         Target::attributes_order): New method definitions.
 631         (Target::Target_info::attributes_section,
 632         Target::Target_info::attributes_vendor): New fields.
 633         (Target::do_attribute_arg_type, Target::do_attributes_order): New
 634         virtual method definitions.
 635         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
 636         attributes_section and attributes_vendor.
 637         * testsuite/testfile.cc (Target_test::test_target_info): Same.
 638
 639 2009-12-05  Doug Kwan  <dougkwan@google.com>
 640
 641         * arm.cc: Update comments about interworking and stub generation.
 642         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
 643         considered as non-PIC.
 644         (Arm_relocate_functions::base_abs): Fix formatting.
 645         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
 646         of function to use GOT entry address instead of offset.
 647         (Target_arm::Scan::global): Issue an error if a symbol would need a
 648         PLT does not get one because it is untyped.  Remove code to create
 649         dynamic symbols for relative branches.
 650         (Target_arm::Relocate::relocate: Use 0 instead of false since function
 651         takes unsigned integer instead of boolean.
 652
 653 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
 654
 655         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
 656         (two_file_test_LDADD): Likewise.
 657         (common_test_1_LDADD): Likewise.
 658         (exception_test_LDADD) Likewise.
 659         (weak_test_LDADD): Likewise.
 660         (many_sections_test_LDADD): Likewise.
 661         (initpri1_LDADD): Likewise.
 662         (script_test_1_LDADD): Likewise.
 663         (script_test_2_LDADD): Likewise.
 664         (justsyms_LDADD): Likewise.
 665         (binary_test_LDADD): Likewise.
 666         (large_LDADD): Likewise.
 667         * testsuite/Makefile.in: Regenerated.
 668
 669 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
 670
 671         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
 672         (Symbol_table::override_with_special): Likewise.
 673         (Symbol_table::add_from_object): Likewise.
 674
 675 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
 676
 677         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
 678         Don't set the data_offset twice.
 679
 680 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
 681
 682         * testsuite/Makefile.in: Regenerate.
 683
 684 2009-12-03  Doug Kwan  <dougkwan@google.com>
 685
 686         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
 687         (Target_arm::do_finalize_sections): Add parameter for symbol table
 688         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
 689         * i386.cc (Target_i386::do_finalize_sections): Add an additional
 690         parameter for symbol table pointer.
 691         * layout.cc (Layout::finalize): Call Target::finalize_sections with
 692         an additional parameter for a pointer to symbol table.
 693         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
 694         parameter for a symbol table pointer.
 695         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
 696         * target.h (Target::finalize_sections, Target::do_finalize_sections):
 697         Ditto.
 698         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
 699         parameter for a symbol table pointer.
 700
 701 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
 702
 703         * incremental.cc (Incremental_inputs_header)
 704         (Incremental_inputs_header_write, Incremental_inputs_entry)
 705         (Incremental_inputs_entry_write): Move ...
 706         * incremental.h (Incremental_inputs_header)
 707         (Incremental_inputs_header_write, Incremental_inputs_entry)
 708         (Incremental_inputs_entry_write): here.
 709
 710 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 711
 712         * incremental.cc (make_sized_incremental_binary): Set the target.
 713         Error if it is incompatible.
 714         * output.h (Output_file): Add filename method.
 715
 716 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 717
 718         * incremental.cc (Incremental_inputs_entry): Remove unused argument
 719         from the get_* methods.
 720
 721 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 722
 723         * incremental-dump.cc (main): Check that the offeset of a script is 0.
 724         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
 725         Write 0 for the data_offset of scripts.
 726
 727 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 728
 729         * testsuite/Makefile.am: Add the incremental_test.sh test.
 730         * testsuite/incremental_test.sh: New.
 731         * testsuite/incremental_test_1.c: New.
 732         * testsuite/incremental_test_2.c: New.
 733
 734 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
 735
 736        * incremental-dump.cc (main): Fix typos.
 737
 738 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
 739
 740         PR gold/11025
 741         * incremental-dump.cc (main): Use llu to print 64 bit values.
 742
 743 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
 744             H.J. Lu  <hongjiu.lu@intel.com>
 745
 746         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
 747         $(LIBDL).
 748         (incremental_dump_LDADD): Likewise.
 749         * Makefile.in: Regenerated.
 750
 751 2009-11-25  Doug Kwan  <dougkwan@google.com>
 752
 753         Revert:
 754
 755         2009-11-25  Doug Kwan  <dougkwan@google.com>
 756
 757                 * arm.cc (Target_arm::Target_arm): Move method definition
 758                 outside of class definition.  Add code to handle
 759                 --target1-rel, --target1-abs and --target2= options.
 760                 (Target_arm::get_reloc_reloc_type): Change method to be
 761                 non-static and const.
 762                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
 763                 New data member declaration.
 764                 (Target_arm::Scan::local, Target_arm::Scan::global,
 765                 Target_arm::Relocate::relocate,
 766                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
 767                 Adjust call to Target_arm::get_real_reloc_type.
 768                 (Target_arm::get_real_reloc_type): Use command line options
 769                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
 770                 * options.h (--target1-rel, --target1-abs, --target2): New
 771                 ARM-only options.
 772
 773 2009-11-25  Doug Kwan  <dougkwan@google.com>
 774
 775         * arm.cc (Target_arm::Target_arm): Move method definition outside of
 776         class definition.  Add code to handle --target1-rel, --target1-abs
 777         and --target2= options.
 778         (Target_arm::get_reloc_reloc_type): Change method to be non-static
 779         and const.
 780         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
 781         member declaration.
 782         (Target_arm::Scan::local, Target_arm::Scan::global,
 783         Target_arm::Relocate::relocate,
 784         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
 785         call to Target_arm::get_real_reloc_type.
 786         (Target_arm::get_real_reloc_type): Use command line options to
 787         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
 788         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
 789         options.
 790
 791 2009-11-25  Doug Kwan  <dougkwan@google.com>
 792
 793         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
 794         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
 795         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
 796         formatting.
 797         (Arm_relocate_functions::thm_call): Replace body with a call to
 798         Arm_relocate_functions::thumb_branch_common.
 799         (Arm_relocate_functions::thm_jump24,
 800         Arm_relocate_functions::thm_xpc22): New method definitions.
 801         (Arm_relocate_functions::thumb_branch_common): New method definition.
 802         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
 803         operator.
 804         (Target_arm::Relocate::relocate): Adjust call to thm_call.
 805         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
 806
 807 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 808
 809         * Makefile.am: Build incremental-dump
 810         * Makefile.in: Regenerate.
 811         * incremental-dump.cc: New.
 812         * incremental.cc (Incremental_inputs_header_data,
 813         Incremental_inputs_entry_data): Move to incremental.h
 814         * incremental.h: (Incremental_inputs_header_data,
 815         Incremental_inputs_entry_data): Move from incremental.cc
 816
 817 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 818
 819         * incremental.cc (Incremental_inputs_header,
 820         Incremental_inputs_header_write, Incremental_inputs_entry,
 821         Incremental_inputs_entry_write): Add a typedef with the data type.
 822
 823 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 824
 825         * incremental.cc (Incremental_inputs_header,
 826         Incremental_inputs_header_write, Incremental_inputs_entry,
 827         Incremental_inputs_entry_write): Update comment about which
 828         type has the filed descriptions.
 829
 830 2009-11-15  Doug Kwan  <dougkwan@google.com>
 831
 832         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
 833         (Arm_relocate_functions::arm_branch_common): Change method defintion
 834         in class definition to a method declaration and update list of formal
 835         parameters.
 836         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
 837         Arm_relocation_functions::jump24): Adjust call to
 838         Arm_relocate_functions::arm_branch_common.  Update list of formal
 839         parameters.
 840         (Arm_relocate_functions::xpc25): New method definition.
 841         (Arm_relocate_functions::arm_branch_common): Move method defintion
 842         out from class definition.  Use stubs for mode-switching and extending
 843         branch ranges.
 844         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
 845         specially.  Change code to enable use of stubs in ARM branches.
 846
 847 2009-11-10  Doug Kwan  <dougkwan@google.com>
 848
 849         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
 850         in method declaration.
 851         (Target_arm::relocate_stub): New method declaration.
 852         (Target_arm::default_target): Change to return a pointer instead of
 853         a const reference.
 854         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
 855         Target_arm::default_target.
 856         (Arm_Relobj::do_relocate_sections): Remove options paramater in
 857         method definition.
 858         (Target_arm::relocate_section): Adjust view.
 859         (Target_arm::relocate_stub): New method definition.
 860
 861 2009-11-10  Doug Kwan  <dougkwan@google.com>
 862
 863         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
 864         a format warning.
 865         * incremental.cc (open_incremental_binary): Initialized local
 866         variables to avoid warnings.
 867         * object.cc (make_elf_object): Ditto.
 868         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
 869         a format warning.
 870
 871 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
 872
 873         PR gold/10930
 874         * testsuite/plugin_test.c: Include "config.h".
 875
 876 2009-11-09  Doug Kwan  <dougkwan@google.com>
 877
 878         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
 879         (arm_symbol_value): Remove.
 880         (Arm_relocate_functions::arm_branch_common,
 881         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
 882         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
 883         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
 884         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
 885         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
 886         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
 887         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
 888         Arm_relocate_functions::thm_mobw_abs_nc,
 889         Arm_relocate_functions::thm_mov_abs,
 890         Arm_relocate_functions::movw_prel_nc,
 891         Arm_relocate_functions::thm_movt_abs,
 892         Arm_relocate_functions::movt_prel,
 893         Arm_relocate_functions::thm_movw_prel_nc,
 894         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
 895         (Target_arm::Relocate::relocate): Only decompose address into two
 896         parts if relocation type uses the thumb-bit and pass the actual
 897         bit instead of a flag indicating that the thumb-bit is used.  Adjust
 898         calls to methods in Arm_relocate_functions for this change.
 899
 900 2009-11-08  Ian Lance Taylor  <iant@google.com>
 901
 902         PR 10925
 903         * reloc.cc: Instantiate
 904         Sized_relobj::initialize_input_to_output_maps and
 905         Sized_relobj:free_input_to_output_maps.
 906
 907 2009-11-06  Ian Lance Taylor  <iant@google.com>
 908
 909         PR 10876
 910         * defstd.cc (in_segment): Set only_if_ref true for "end".
 911
 912 2009-11-06  Doug Kwan  <dougkwan@google.com>
 913
 914         * arm.cc (class Reloc_stub): Correct a comment.
 915         (Target_arm::Target_arm): Initialize arm_input_section_map_.
 916         (Target_arm::scan_section_for_stubs): New method declaration.
 917         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
 918         Change methods from private to protected.
 919         (Target_arm::do_may_relax): New method definition.
 920         (Target_arm::do_relax, Target_arm::group_sections,
 921         Target_arm::scan_reloc_for_stub,
 922         Target_arm::scan_reloc_section_for_stubs): New method declarations.
 923         (Target_arm::arm_input_section_map_): New data member declaration.
 924         (Target_arm::scan_reloc_for_stub,
 925         Target_arm::scan_reloc_section_for_stubs,
 926         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
 927         Target_arm::do_relax): New method definitions.
 928
 929 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
 930
 931         * configure.ac: Check for (struct stat)::st_mtim
 932         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
 933         * config.in: Regenerate.
 934         * configure: Regenerate.
 935
 936 2009-11-05  Ian Lance Taylor  <iant@google.com>
 937
 938         PR 10910
 939         * output.cc (Output_segment::add_output_section): Add missing
 940         return statement.
 941
 942 2009-11-04  Ian Lance Taylor  <iant@google.com>
 943
 944         PR 10880
 945         * object.h (class Object): Add is_needed and set_is_needed
 946         methods.  Add is_needed_ field.  Make bool fields into bitfields.
 947         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
 948         defined in a dynamic object and referenced by a regular object,
 949         set is_needed for the dynamic object.
 950         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
 951         if the file is marked with as_needed and it is not needed.
 952
 953 2009-11-04  Ian Lance Taylor  <iant@google.com>
 954
 955         PR 10887
 956         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
 957         tags if data is discarded by linker script.
 958         * i386.cc (Target_i386::do_finalize_sections): Likewise.
 959         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
 960         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
 961         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 962
 963 2009-11-04  Ian Lance Taylor  <iant@google.com>
 964
 965         * layout.cc (Layout::get_output_section): Add is_interp and
 966         is_dynamic_linker_section parameters.  Change all callers.
 967         (Layout::choose_output_section): Likewise.
 968         (Layout::make_output_section): Likewise.
 969         (Layout::add_output_section_data): Add is_dynamic_linker_section
 970         parameter.  Change all callers.
 971         * layout.h (class Layout): Update declarations.
 972         * output.h (class Output_section): Add is_interp, set_is_interp,
 973         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
 974         Add is_interp_, is_dynamic_linker_section_ fields.  Change
 975         generate_code_fills_at_write_ to a bitfield.
 976         * output.cc (Output_section::Output_sections): Initialize new
 977         fields.
 978         (Output_segment::add_output_section): Add do_sort parameter.
 979         Change all callers.
 980
 981 2009-11-03  Ian Lance Taylor  <iant@google.com>
 982
 983         PR 10860
 984         * options.h (class General_options): Add --warn-common.
 985         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
 986         merging two common symbols.
 987         (Symbol_table::should_override): Handle --warn-common when merging
 988         a common symbol with a defined symbol.  Use report_resolve_problem
 989         for multiple definitions.
 990         (Symbol_table::report_resolve_problem): New function.
 991         * symtab.h (class Symbol_table): Declare report_resolve_problem.
 992
 993 2009-11-03  Doug Kwan  <dougkwan@google.com>
 994
 995         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
 996         stub_factory_.
 997         (Target_arm::stub_factory): New method definition.
 998         (Target_arm::new_arm_input_section,
 999         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
1000         Target_arm::reloc_uses_thumb_bit): New method declarations.
1001         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
1002         New type definitions.
1003         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
1004         member declarations.
1005         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
1006         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
1007         New method definitions.
1008
1009 2009-11-03  Ian Lance Taylor  <iant@google.com>
1010
1011         * options.h (class General_options): Add --warn_constructors.
1012
1013 2009-11-03  Ian Lance Taylor  <iant@google.com>
1014
1015         PR 10893
1016         * defstd.cc (in_section): Add entries for __rel_iplt_start,
1017         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
1018
1019 2009-11-03  Ian Lance Taylor  <iant@google.com>
1020
1021         PR 10895
1022         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
1023         --msgid-bugs-address.
1024         (install-pdf): New target.
1025         (install-data_yes): Look up one directory to find mkinstalldirs.
1026
1027 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
1028
1029         * po/Make-in (.po.gmo): Don't generate .gmo files in source
1030         tree.
1031
1032 2009-10-30  Doug Kwan  <dougkwan@google.com>
1033
1034         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
1035
1036 2009-10-30  Doug Kwan  <dougkwan@google.com>
1037
1038         * arm.cc (Stub_addend_reader): New struct template definition
1039         and partial specializations.
1040         (Stub_addend_reader::operator()): New method definition for a
1041         partially specialized template.
1042
1043 2009-10-30  Doug Kwan  <dougkwan@google.com>
1044
1045         * arm.cc (Arm_relobj::processor_specific_flags): New method
1046         definition.
1047         (Arm_relobj::do_read_symbols): New method declaration.
1048         (Arm_relobj::processor_specific_flags_): New data member declaration.
1049         (Arm_dynobj): New class definition.
1050         (Target_arm::do_finalize_sections): Add input_objects parameter.
1051         (Target_arm::do_adjust_elf_header): New method declaration.
1052         (Target_arm::are_eabi_versions_compatible,
1053         (Target_arm::merge_processor_specific_flags): New method declaration.
1054         (Target_arm::do_make_elf_object): New overloaded method definitions
1055         and declaration.
1056         (Arm_relobj::do_read_symbols): New method definition.
1057         (Arm_dynobj::do_read_symbols): Ditto.
1058         (Target_arm::do_finalize_sections): Add input_objects parameters.
1059         Merge processor-specific flags from all input objects.
1060         (Target_arm::are_eabi_versions_compatible,
1061         Target_arm::merge_processor_specific_flags,
1062         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
1063         New method definitions.
1064         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
1065         Input_objects pointer type parameter.
1066         * layout.cc (Layout::finalize): Pass input objects to target's.
1067         finalize_sections function.
1068         * output.cc (Output_file_header::do_sized_write): Set ELF file
1069         header's processor-specific flags.
1070         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
1071         Input_objects pointer type parameter.
1072         * sparc.cc (Target_sparc::do_finalize_sections): Same.
1073         * target.h (Input_objects): New forward class declaration.
1074         (Target::processor_specific_flags,
1075         Target::are_processor_specific_flags_sect): New method definitions.
1076         (Target::finalize_sections): Add input_objects parameter.
1077         (Target::Target): Initialize processor_specific_flags_ and
1078         are_processor_specific_flags_set_.
1079         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
1080         parameter.
1081         (Target::set_processor_specific_flags): New method definition.
1082         (Target::processor_specific_flags_,
1083         Target::are_processor_specific_flags_set_): New data member
1084         declarations.
1085         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
1086         Input_objects pointer type parameter.
1087
1088 2009-10-30  Doug Kwan  <dougkwan@google.com>
1089
1090         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
1091
1092 2009-10-28  Ian Lance Taylor  <iant@google.com>
1093
1094         * object.h (class Relobj): Drop options parameter from
1095         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
1096         do_scan_relocs, do_relocate.  Change all callers.
1097         (class Sized_relobj): Drop options parameters from
1098         do_gc_process_relocs, do_scan_relocs, do_relocate,
1099         do_relocate_sections, relocate_sections, emit_relocs_scan,
1100         emit_relocs_scan_reltype.  Change all callers.
1101         (struct Relocate_info): Remove options field and all references to
1102         it.
1103         * reloc.h (class Read_relocs): Remove options constructor
1104         parameter and options_ field.  Change all callers.
1105         (class Gc_process_relocs, class Scan_relocs): Likewise.
1106         (class Relocate_task): Likewise.
1107         * target-reloc.h (scan_relocs): Remove options parameter.  Change
1108         all callers.
1109         (scan_relocatable_relocs): Likewise.
1110         * target.h (class Sized_target): Remove options parameter from
1111         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
1112         all callers.
1113         * gc.h (gc_process_relocs): Remove options parameter.  Change all
1114         callers.
1115         * arm.cc: Update functions to remove options parameters.
1116         * i386.cc: Likewise.
1117         * powerpc.cc: Likewise.
1118         * sparc.cc: Likewise.
1119         * x86_64.cc: Likewise.
1120         * testsuite/testfile.cc: Likewise.
1121
1122 2009-10-28  Doug Kwan  <dougkwan@google.com>
1123
1124         * arm.cc (Arm_relobj): New class definition.
1125         (Arm_relobj::scan_sections_for_stubs,
1126         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
1127         New method definitions.
1128
1129 2009-10-28  Cary Coutant  <ccoutant@google.com>
1130
1131         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
1132         (Plugin::cleanup_done_): New member.
1133         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
1134         (Plugin_manager::cleanup_done_): Remove.
1135         (Plugin_manager::add_input_file): Edit error message.
1136         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
1137         (Plugin_manager::cleanup): Remove use of cleanup_done_.
1138
1139 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
1140
1141         * fileread.cc: (File_read::View::~View): Use the new
1142         data_ownership_ filed.
1143         (File_read::~File_read): Dispose the new whole_file_view_.
1144         (File_read::open): Mmap the whole file if needed.
1145         (File_read::open): Use whole_file_view_ instead of contents_.
1146         (File_read::find_view): Use whole_file_view_ if applicable.
1147         (File_read::do_read): Use whole_file_view_ instead of contents_.
1148         (File_read::make_view): Use whole_file_view_ instead of contents_,
1149         update File_read::View::View call.
1150         (File_read::find_or_make_view): Update File_read::View::View
1151         call.
1152         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
1153         remove contents_
1154         (File_read::View::Data_ownership): New enum.
1155         (File_read::View::View): Replace bool mapped_ with Data_ownership
1156         argument.
1157         (File_read::View::mapped_): Remove (replaced by data_ownership_).
1158         (File_read::View::data_ownership_): New field.
1159         (File_read::contents_): Remove (replaced by whole_file_view_).
1160         (File_read::whole_file_view_): New field.
1161         * options.h (class General_options): Add --keep-files-mapped.
1162
1163 2009-10-27  Cary Coutant  <ccoutant@google.com>
1164
1165         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
1166         * testsuite/Makefile.am (plugin_test_5): New test case.
1167         * testsuite/Makefile.in: Regenerate.
1168
1169 2009-10-25  Doug Kwan  <dougkwan@google.com>
1170
1171         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
1172         from private to protected to allow access by child class.
1173         (Sized_relobj::do_relocate_sections): New method declaration.
1174         (Sized_relobj::relocate_sections): Virtualize.
1175         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
1176         Sized_relobj::relocate_sections.  Instantiate template explicitly
1177         for different target sizes and endianity.
1178
1179 2009-10-24  Doug Kwan  <dougkwan@google.com>
1180
1181         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
1182         (Arm_input_section::as_arm_input_section): New method.
1183         (Arm_output_section): New class definition.
1184         (Arm_output_section::create_stub_group,
1185         Arm_output_section::group_sections): New method definitions.
1186
1187 2009-10-22  Doug Kwan  <dougkwan@google.com>
1188
1189         * arm.cc (Arm_input_section): New class definition.
1190         (Arm_input_section::init, Arm_input_section:do_write,
1191         Arm_input_section::set_final_data_size,
1192         Arm_input_section::do_reset_address_and_file_offset): New method
1193         definitions.
1194
1195 2009-10-21  Doug Kwan  <dougkwan@google.com>
1196
1197         * arm.cc (Stub_table, Arm_input_section): New forward class
1198         declarations.
1199         (Stub_table): New class defintion.
1200         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
1201         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
1202         New method definition.
1203
1204 2009-10-21  Doug Kwan  <dougkwan@google.com>
1205
1206         * arm.cc: Update copyright comments.
1207         (Target_arm): New forward class template declaration.
1208         (Arm_address): New type.
1209         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
1210         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
1211         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
1212         constants.
1213         (Insn_template): Same.
1214         (DEF_STUBS): New macro.
1215         (Stub_type): New enum type.
1216         (Stub_template): New class definition.
1217         (Stub): Same.
1218         (Reloc_stub): Same.
1219         (Stub_factory): Same.
1220         (Target_arm::Target_arm): Initialize may_use_blx_ and
1221         should_force_pic_veneer_.
1222         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
1223         Target_arm::should_force_pic_veneer,
1224         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
1225         Target_arm::using_thumb_only, Target_arm:;default_target): New
1226         method defintions.
1227         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
1228         New data member declarations.
1229         (Insn_template::size, Insn_template::alignment): New method defintions.
1230         (Stub_template::Stub_template): New method definition.
1231         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
1232         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
1233         (Stub_factory::Stub_factory): New method definition.
1234         * gold.h (string_hash): New template.
1235         * output.h (Input_section_specifier::hash_value): Use
1236         gold::string_hash.
1237         (Input_section_specifier::string_hash): Remove.
1238         * stringpool.cc (Stringpool_template::string_hash): Use
1239         gold::string_hash.
1240
1241 2009-10-20  Doug Kwan  <dougkwan@google.com>
1242
1243         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
1244         symbols of relaxed input sections.
1245         * output.h (Output_section::find_relaxed_input_section): Make
1246         method public.
1247
1248 2009-10-16  Doug Kwan  <dougkwan@google.com>
1249
1250         * dynobj.cc (Versions::Versions): Initialize version_script_.
1251         Only insert base version symbol definition for a shared object
1252         if version script defines any version versions.
1253         (Versions::define_base_version): New method definition.
1254         (Versions::add_def): Check that base version is not needed.
1255         (Versions::add_need): Define base version lazily.
1256         * dynobj.h (Versions::define_base_version): New method declaration.
1257         (Versions::needs_base_version_): New data member declaration.
1258         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
1259         (check_DATA): Add no_version_test.stdout.
1260         (libno_version_test.so, no_version_test.o no_version_test.stdout):
1261         New make rules.
1262         * testsuite/Makefile.in: Regenerate.
1263         * testsuite/no_version_test.c: New file.
1264         * testsuite/no_version_test.sh: Ditto.
1265
1266 2009-10-16  Doug Kwan  <dougkwan@google.com>
1267
1268         * expression.cc (class Segment_start_expression): New class definition.
1269         (Segment_start_expression::value): New method definition.
1270         (script_exp_function_segment_start): Return a new
1271         Segment_start_expression.
1272         * gold/script-c.h (script_saw_segment_start_expression): New function
1273         prototype.
1274         * script-sections.cc (Script_sections::Script_sections): Initialize
1275         SAW_SEGMENT_START_EXPRESSION_ to false.
1276         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
1277         and -Tbbs options to specify section addresses if given in
1278         command line and no SEGMENT_START expression is seen in a script.
1279         * script-sections.h (Script_sections::saw_segment_start_expression,
1280         Script_sections::set_saw_segment_start_expression): New method
1281         definition.
1282         (Script_sections::saw_segment_start_expression_): New data member
1283         declaration.
1284         * script.cc (script_saw_segment_start_expression): New function.
1285         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
1286         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
1287         script_test_7.sh and script_test_8.sh.
1288         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
1289         script_test_8.stdout.
1290         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
1291         (script_test_6, script_test_6.stdout, script_test_7,
1292         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
1293         * Makefile.in: Regenerate.
1294         * testsuite/script_test_6.sh: New file.
1295         * testsuite/script_test_6.t: Same.
1296         * testsuite/script_test_7.sh: Same.
1297         * testsuite/script_test_7.t: Same.
1298         * testsuite/script_test_8.sh: Same.
1299
1300 2009-10-16  Doug Kwan  <dougkwan@google.com>
1301
1302         * output.cc (Output_segment::set_section_list_address): Cast
1303         expressions to unsigned long long type to avoid format warnings.
1304
1305 2009-10-15  Ian Lance Taylor  <iant@google.com>
1306
1307         * script.cc (Script_options::add_symbol_assignment): Always add a
1308         dot assignment to script_sections_.
1309         * script-sections.cc (Script_sections::add_dot_assignment):
1310         Initialize if necessary.
1311
1312         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
1313         program headers with no load segment if there is a linker script.
1314
1315         * layout.cc (Layout::set_segment_offsets): Align the file offset
1316         to the segment aligment for -N or -n with no load segment.
1317         * output.cc (Output_segment::add_output_section): Don't crash if
1318         the first section is a TLS section.
1319         (Output_segment::set_section_list_addresses): Print an error
1320         message if the address moves backward in a linker script.
1321         * script-sections.cc
1322         (Output_section_element_input::set_section_addresses): Don't
1323         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
1324         (Orphan_output_section::set_section_addresses): Likewise.
1325
1326 2009-10-15  Doug Kwan  <dougkwan@google.com>
1327
1328         * layout.cc (Layout::finish_dynamic_section): Generate tags
1329         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
1330         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
1331         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
1332
1333 2009-10-14  Ian Lance Taylor  <iant@google.com>
1334
1335         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
1336         fields.
1337         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
1338         data_shdr fields of relinfo.
1339         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
1340         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
1341         R_386_TLS_LDO_32, adjust based on section flags.
1342         (Target_i386::Relocate::fix_up_ldo): Remove.
1343
1344 2009-10-13  Ian Lance Taylor  <iant@google.com>
1345
1346         Add support for -pie.
1347         * options.h (class General_options): Add -pie and
1348         --pic-executable.
1349         (General_options::output_is_position_independent): Test -pie.
1350         (General_options::output_is_executable): Return true if not shared
1351         and not relocatable.
1352         (General_options::output_is_pie): Remove.
1353         * options.cc (General_options::finalize): Reject incompatible uses
1354         of -pie.
1355         * gold.cc (queue_middle_tasks): A -pie link is not static.
1356         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
1357         * symtab.cc (Symbol::final_value_is_known): Return false if
1358         output_is_position_independent.
1359         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
1360         output_is_position_independent.
1361         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
1362         output_is_position_independent.
1363         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
1364         output_is_position_independent.
1365         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
1366         two_file_pie_test.
1367         (basic_pie_test.o, basic_pie_test): New targets.
1368         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
1369         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
1370         (two_file_pie_test): New target.
1371         * testsuite/Makefile.in: Rebuild.
1372         * README: Remove note saying that -pie is not supported.
1373
1374 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1375
1376         * options.h (class General_options): Add -init and -fini.
1377         * layout.cc (Layout::finish_dynamic_section): Emit
1378         given init and fini functions.
1379
1380 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
1381
1382         * gc.h (gc_process_relocs): Check if icf is enabled using new
1383         function.
1384         * gold.cc (queue_initial_tasks): Likewise.
1385         (queue_middle_tasks): Likewise.
1386         * object.cc (do_layout): Likewise.
1387         * symtab.cc (is_section_folded): Likewise.
1388         * main.cc (main): Likewise.
1389         * reloc.cc (Read_relocs::run): Likewise.
1390         (Sized_relobj::do_scan_relocs): Likewise.
1391         * icf.cc (is_function_ctor_or_dtor): New function.
1392         (Icf::find_identical_sections): Check if function is ctor or dtor when
1393         safe icf is chosen.
1394         * options.h (General_options::icf): Change option to be an enum.
1395         (Icf_status): New enum.
1396         (icf_enabled): New method.
1397         (icf_safe_folding): New method.
1398         (set_icf_status): New method.
1399         (icf_status_): New variable.
1400         * (options.cc) (General_options::finalize): Set icf_status_.
1401         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
1402         icf_test and icf_keep_unique_test to use the --icf enum flag.
1403         * testsuite/icf_safe_test.sh: New file.
1404         * testsuite/icf_safe_test.cc: New file.
1405
1406 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
1407
1408         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
1409         includes to gc.h and icf.h.
1410         * arm.cc: Include gc.h.
1411         * gold.cc: Likewise.
1412         * i386.cc: Likewise.
1413         * powerpc.cc: Likewise.
1414         * sparc.cc: Likewise.
1415         * x86_64.cc: Likewise.
1416         * gc.h: Include icf.h.
1417
1418 2009-10-11  Ian Lance Taylor  <iant@google.com>
1419
1420         * plugin.cc: Include "gold.h" before other header files.
1421
1422 2009-10-10  Chris Demetriou  <cgd@google.com>
1423
1424         * options.h (Input_file_argument::Input_file_type): New enum.
1425         (Input_file_argument::is_lib_): Replace with...
1426         (Input_file_argument::type_): New member.
1427         (Input_file_argument::Input_file_argument): Take Input_file_type
1428         'type' rather than boolean 'is_lib' as second argument.
1429         (Input_file_argument::is_lib): Use type_.
1430         (Input_file_argument::is_searched_file): New function.
1431         (Input_file_argument::may_need_search): Handle is_searched_file.
1432         * options.cc (General_options::parse_library): Support -l:filename.
1433         (General_options::parse_just_symbols): Update for Input_file_argument
1434         changes.
1435         (Command_line::process): Likewise.
1436         * archive.cc (Archive::get_file_and_offset): Likewise.
1437         * plugin.cc (Plugin_manager::release_input_file): Likewise.
1438         * script.cc (read_script_file, script_add_file): Likewise.
1439         * fileread.cc (Input_file::Input_file): Likewise.
1440         (Input_file::will_search_for): Handle is_searched_file.
1441         (Input_file::open): Likewise.
1442         * readsyms.cc (Read_symbols::get_name): Likewise.
1443         * testsuite/Makefile.am (searched_file_test): New test.
1444         * testsuite/Makefile.in: Regenerate.
1445         * testsuite/searched_file_test.cc: New file.
1446         * testsuite/searched_file_test_lib.cc: New file.
1447
1448 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1449             Ian Lance Taylor  <iant@google.com>
1450
1451         * descriptor.cc: Include <cstdio> and "binary-io.h".
1452         (Descriptors::open): Open the files in binary mode always.
1453         * script.cc (Lex::get_token): Treat \r as whitespace.
1454
1455 2009-10-09  Ian Lance Taylor  <iant@google.com>
1456
1457         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1458
1459 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1460             Ian Lance Taylor  <iant@google.com>
1461
1462         * configure.ac: Check for readv function also.
1463         * fileread.cc (readv): Define if not HAVE_READV.
1464         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1465         does not exist.
1466         * config.in: Regenerate.
1467         * configure: Regenerate.
1468
1469 2009-10-09  Doug Kwan  <dougkwan@google.com>
1470
1471         * layout.cc (Layout::make_output_section): Call target hook to make
1472         ordinary output section.
1473         (Layout::finalize): Adjust parameter list of call the
1474         Target::may_relax().
1475         * layout.h (class Layout::section_list): New method.
1476         * merge.h (Output_merge_base::entsize): Change visibility to public.
1477         (Output_merge_base::is_string, Output_merge_base::do_is_string):
1478         New methods.
1479         (Output_merge_string::do_is_string): New method.
1480         * object.cc (Sized_relobj::do_setup): renamed from
1481         Sized_relobj::set_up.
1482         * object.h (Sized_relobj::adjust_shndx,
1483         Sized_relobj::initializ_input_to_output_maps,
1484         Sized_relobj::free_input_to_output_maps): Change visibilities to
1485         protected.
1486         (Sized_relobj::setup): Virtualize.
1487         (Sized_relobj::do_setup): New method declaration.
1488         (Sized_relobj::invalidate_section_offset,
1489         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1490         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1491         * options.cc (parse_int): New function.
1492         * options.h (parse_int): New declaration.
1493         (DEFINE_int): New macro.
1494         (stub_group_size): New option.
1495         * output.cc (Output_section::Output_section): Initialize memebers
1496         merge_section_map_, merge_section_by_properties_map_,
1497         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1498         (Output_section::add_input_section): Handled deferred code-fill
1499         generation and remove an old comment.
1500         (Output_section::add_relaxed_input_section): New method definition.
1501         (Output_section::add_merge_input_section): Use merge section by
1502         properties map to speed to search.  Update merge section maps
1503         as appropriate.
1504         (Output_section::build_relaxation_map): New method definition.
1505         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1506         Same.
1507         (Output_section::relax_input_section): Renamed to
1508         Output_section::convert_input_sections_to_relaxed_sections and change
1509         interface to take a vector of pointers to relaxed sections.
1510         (Output_section::find_merge_section,
1511         Output_section::find_relaxed_input_section): New method definitions.
1512         (Output_section::is_input_address_mapped,
1513         Output_section::output_offset, Output_section::output_address):
1514         Use output section data maps to speed up searching.
1515         (Output_section::find_starting_output_address): Add comments.
1516         (Output_section::do_write,
1517         Output_section::write_to_postprocessing_buffer): Do code-fill
1518         generation as appropriate.
1519         (Output_section::get_input_sections): Invalidate relaxed input section
1520         map.
1521         (Output_section::restore_states): Adjust type of checkpoint .
1522         Invalidate relaxed input section map.
1523         * output.h (Output_merge_base): New class declaration.
1524         (Input_section_specifier): New class defintion.
1525         (class Output_relaxed_input_section) Change base class to
1526         Output_section_data_build.
1527         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
1528         base class initializer.
1529         (Output_section::add_relaxed_input_section): New method declaration.
1530         (Output_section::Input_section): Change visibility to protected.
1531         (Output_section::Input_section::relobj,
1532         Output_section::Input_section::shndx): Handle relaxed input sections.
1533         Output_section::input_sections) Change visibility to protected.  Also
1534         define overload to return a non-const pointer.
1535         (Output_section::Merge_section_properties): New class defintion.
1536         (Output_section::Merge_section_by_properties_map,
1537         Output_section::Output_section_data_by_input_section_map,
1538         Output_section::Relaxation_map): New types.
1539         (Output_section::relax_input_section): Rename method to
1540         Output_section::convert_input_sections_to_relaxed_sections and change
1541         interface to take a vector of relaxed section pointers.
1542         (Output_section::find_merge_section,
1543         Output_section::find_relaxed_input_section,
1544         Output_section::build_relaxation_map,
1545         Output_section::convert_input_sections_in_list_to_relaxed_sections):
1546         New method declarations.
1547         (Output_section::merge_section_map_
1548         Output_section::merge_section_by_properties_map_,
1549         Output_section::relaxed_input_section_map_,
1550         Output_section::is_relaxed_input_section_map_valid_,
1551         Output_section::generate_code_fills_at_write_): New data members.
1552         * script-sections.cc
1553         (Output_section_element_input::set_section_addresses): Call
1554         current_data_size and addralign methods of relaxed input sections.
1555         (Orphan_output_section::set_section_addresses): Call current_data_size
1556         and addralign methods of relaxed input sections.
1557         * symtab.cc (Symbol_table::compute_final_value): Extract template
1558         from the body of Symbol_table::sized_finalize_symbol.
1559         (Symbol_table::sized_finalized_symbol): Call
1560         Symbol_table::compute_final_value.
1561         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
1562         (Symbol_table::compute_final_value): New templated method declaration.
1563         * target.cc (Target::do_make_output_section): New method defintion.
1564         * target.h (Target::make_output_section): New method declaration.
1565         (Target::relax): Add more parameters for input objects, symbol table
1566         and layout.  Adjust call to do_relax.
1567         (Target::do_make_output_section): New method declaration.
1568         (Target::do_relax): Add parameters for input objects, symbol table
1569         and layout.
1570
1571 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1572
1573         * pread.c: Include stdio.h.
1574
1575 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1576
1577         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
1578         defined.
1579
1580 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1581
1582         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1583         Change read_shndx type to unsigned int.
1584         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1585         int.
1586         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1587         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
1588         Change read_shndx type to unsigned int.
1589         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1590         int.
1591         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1592         * layout.cc (Layout::create_symtab_sections): Cast the result of
1593         local_symcount * symsize to off_t in the gold_assert.
1594
1595 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1596
1597         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
1598         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
1599         R_ARM_BASE_ABS.
1600         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
1601         (Arm_relocate_functions::thm_abs5): New function.
1602         (Arm_relocate_functions::abs12): New function.
1603         (Arm_relocate_functions::abs16): New function.
1604         (Arm_relocate_functions::base_abs): New function.
1605         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
1606         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
1607         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
1608         R_ARM_BASE_ABS.
1609         (Scan::global): Likewise.
1610         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
1611         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
1612         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
1613         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
1614         R_ARM_BASE_ABS.
1615
1616 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1617
1618         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
1619         (Arm_relocate_functions::movt_prel): New function.
1620         (Arm_relocate_functions::thm_movw_prel_nc): New function.
1621         (Arm_relocate_functions::thm_movt_prel): New function.
1622         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
1623         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
1624         (Scan::global, Relocate::relocate): Likewise.
1625         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1626
1627 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1628
1629         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
1630         Incremental_checker.
1631         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
1632         unsigned int.
1633         (class Incremental_inputs_header): New class.
1634         (Incremental_inputs_header_writer): Edit comment.
1635         (Incremental_inputs_entry): New class.
1636         (Incremental_inputs_entry_writer): Edit comment.
1637         (Sized_incremental_binary::do_find_incremental_inputs_section):
1638         Add *strtab_shndx parameter, fill it.
1639         (Sized_incremental_binary::do_check_inputs): New method.
1640         (Incremental_checker::can_incrementally_link_output_file): Use
1641         Sized_incremental_binary::check_inputs.
1642         (Incremental_inputs::report_command_line): Save command line in
1643         command_line_.
1644         * incremental.h:
1645         (Incremental_binary::find_incremental_inputs_section): New
1646         method.
1647         (Incremental_binary::do_find_incremental_inputs_section): Add
1648         strtab_shndx parameter.
1649         (Incremental_binary::do_check_inputs): New pure virtual method.
1650         (Sized_incremental_binary::do_check_inputs): Declare.
1651         (Incremental_checker::Incremental_checker): Add incremental_inputs
1652         parameter, use it to initialize incremental_inputs_.
1653         (Incremental_checker::incremental_inputs_): New field.
1654         (Incremental_checker::command_line): New method.
1655         (Incremental_checker::inputs): New method.
1656         (Incremental_checker::command_line_): New field.
1657
1658 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1659
1660         * incremental.cc: Include <cstdarg> and "target-select.h".
1661         (vexplain_no_incremental): New function.
1662         (explain_no_incremental): New function.
1663         (Incremental_binary::error): New method.
1664         (Sized_incremental_binary::do_find_incremental_inputs_section): New
1665         method.
1666         (make_sized_incremental_binary): New function.
1667         (open_incremental_binary): New function.
1668         (can_incrementally_link_file): Add checks if output is ELF and has
1669         inputs section.
1670         * incremental.h: Include "elfcpp_file.h" and "output.h".
1671         (Incremental_binary): New class.
1672         (Sized_incremental_binary): New class.
1673         (open_incremental_binary): Declare.
1674         * object.cc (is_elf_object): Use
1675         elfcpp::Elf_recognizer::is_elf_file.
1676         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1677         * output.h (Output_file::filesize): New method.
1678
1679 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1680
1681         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1682         New function.
1683         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1684         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1685         function.
1686         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1687         function.
1688         (Arm_relocate_functions::movw_abs_nc): New function.
1689         (Arm_relocate_functions::movt_abs): New function.
1690         (Arm_relocate_functions::thm_movw_abs_nc): New function.
1691         (Arm_relocate_functions::thm_movt_abs): New function.
1692         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1693         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1694         (Scan::global): Likewise.
1695         (Relocate::relocate): Likewise.
1696         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1697
1698 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1699
1700         * arm.cc (Arm_relocate_functions::got_prel) New function.
1701         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1702         (Relocate::relocate): Likewise.
1703         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1704
1705 2009-10-06  Ian Lance Taylor  <iant@google.com>
1706
1707         * options.h (class General_options): Define
1708         split_stack_adjust_size parameter.
1709         * object.h (class Object): Add uses_split_stack_ and
1710         has_no_split_stack_ fields.  Add uses_split_stack and
1711         has_no_split_stack accessor functions.  Declare
1712         handle_split_stack_section.
1713         (class Reloc_symbol_changes): Define.
1714         (class Sized_relobj): Define Function_offsets.  Declare
1715         split_stack_adjust, split_stack_adjust_reltype, and
1716         find_functions.
1717         * object.cc (Object::handle_split_stack_section): New function.
1718         (Sized_relobj::do_layout): Call handle_split_stack_section.
1719         * dynobj.cc (Sized_dynobj::do_layout): Call
1720         handle_split_stack_section.
1721         * reloc.cc (Sized_relobj::relocate_sections): Call
1722         split_stack_adjust for executable sections in split_stack
1723         objects.  Pass reloc_map to relocate_section.
1724         (Sized_relobj::split_stack_adjust): New function.
1725         (Sized_relobj::split_stack_adjust_reltype): New function.
1726         (Sized_relobj::find_functions): New function.
1727         * target-reloc.h: Include "object.h".
1728         (relocate_section): Add reloc_symbol_changes parameter.  Change
1729         all callers.
1730         * target.h (class Target): Add calls_non_split method.  Declare
1731         do_calls_non_split virtual method.  Declare match_view and
1732         set_view_to_nop.
1733         * target.cc: Include "elfcpp.h".
1734         (Target::do_calls_non_split): New function.
1735         (Target::match_view): New function.
1736         (Target::set_view_to_nop): New function.
1737         * gold.cc (queue_middle_tasks): Give an error if mixing
1738         split-stack and non-split-stack objects with -r.
1739         * i386.cc (Target_i386::relocate_section): Add
1740         reloc_symbol_changes parameter.
1741         (Target_i386::do_calls_non_split): New function.
1742         * x86_64.cc (Target_x86_64::relocate_section): Add
1743         reloc_symbol_changes parameter.
1744         (Target_x86_64::do_calls_non_split): New function.
1745         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1746         parameter.
1747         * powerpc.cc (Target_powerpc::relocate_section): Add
1748         reloc_symbol_changes parameter.
1749         * sparc.cc (Target_sparc::relocate_section): Add
1750         reloc_symbol_changes parameter.
1751         * configure.ac: Call AM_CONDITIONAL for the default target.
1752         * configure: Rebuild.
1753         * testsuite/Makefile.am (TEST_AS): New variable.
1754         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1755         (check_DATA): Add split_i386 and split_x86_64 files.
1756         (SPLIT_DEFSYMS): Define.
1757         (split_i386_[1234n].o): New targets.
1758         (split_i386_[124]): New targets.
1759         (split_i386_[1234r].stdout): New targets.
1760         (split_x86_64_[1234n].o): New targets.
1761         (split_x86_64_[124]): New targets.
1762         (split_x86_64_[1234r].stdout): New targets.
1763         (MOSTLYCLEANFILES): Add new executables.
1764         * testsuite/split_i386.sh: New file.
1765         * testsuite/split_x86_64.sh: New file.
1766         * testsuite/split_i386_1.s: New file.
1767         * testsuite/split_i386_2.s: New file.
1768         * testsuite/split_i386_3.s: New file.
1769         * testsuite/split_i386_4.s: New file.
1770         * testsuite/split_i386_n.s: New file.
1771         * testsuite/split_x86_64_1.s: New file.
1772         * testsuite/split_x86_64_2.s: New file.
1773         * testsuite/split_x86_64_3.s: New file.
1774         * testsuite/split_x86_64_4.s: New file.
1775         * testsuite/split_x86_64_n.s: New file.
1776         * testsuite/testfile.cc (Target_test): Update relocation_section
1777         function.
1778         * testsuite/Makefile.in: Rebuild.
1779
1780 2009-10-06  Ian Lance Taylor  <iant@google.com>
1781
1782         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1783         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1784         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
1785         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1786         the address on ldo_addrs_.
1787         (Target_i386::Relocate::fix_up_ldo): New function.
1788
1789 2009-10-06   Rafael Espindola  <espindola@google.com>
1790
1791         * plugin.cc (add_input_library): New.
1792         (Plugin::load): Add add_input_library to tv.
1793         (Plugin_manager::add_input_file): Add the is_lib argument.
1794         (add_input_file): Update call to Plugin_manager::add_input_file.
1795         (add_input_library): New.
1796         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1797
1798 2009-09-30  Doug Kwan  <dougkwan@google.com>
1799
1800         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1801         symbol and call Symbol::may_need_copy_reloc to determine if
1802         a copy reloc is needed.
1803         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1804         nocopyreloc is given in command line.
1805         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1806         given in command line.
1807         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1808         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1809         of the removed Target_i386::may_need_copy_reloc.
1810         * options.h (copyreloc): New option with default value false.
1811         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1812         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1813         instead of the removed Target_powerpc::may_need_copy_reloc.
1814         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1815         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1816         instead of the removed Target_sparc::may_need_copy_reloc.
1817         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1818         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1819         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1820         instead of the removed Target_x86_64::may_need_copy_reloc.
1821
1822 2009-09-30  Ian Lance Taylor  <iant@google.com>
1823
1824         * object.h (class Object): Remove target_ field, and target,
1825         sized_target, and set_target methods.
1826         (Object::sized_target): Remove.
1827         (class Sized_relobj): Update declarations.  Remove sized_target.
1828         * object.cc (Sized_relobj::setup): Remove target parameter.
1829         Change all callers.
1830         (Input_objects::add_object): Don't do anything with the target.
1831         (make_elf_sized_object): Add punconfigured parameter.  Change all
1832         callers.  Set or test parameter target.
1833         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1834         Change all callers.
1835         * parameters.cc (Parameters::set_target): Change parameter type to
1836         be non-const.
1837         (Parameters::default_target): Remove.
1838         (set_parameters_target): Change parameter type to be non-const.
1839         (parameters_force_valid_target): New function.
1840         (parameters_clear_target): New function.
1841         * parameters.h (class Parameters): Update declarations.  Remove
1842         default_target method.  Add sized_target and clear_target
1843         methods.  Change target_ to be non-const.
1844         (set_parameters_target): Update declaration.
1845         (parameters_force_valid_target): Declare.
1846         (parameters_clear_target): Declare.
1847         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1848         as NULL if we aren't searching.
1849         (Add_symbols::run): Don't check for compatible target.
1850         * fileread.cc (Input_file::open_binary): Call
1851         parameters_force_valid_target.
1852         * gold.cc (queue_middle_tasks): Likewise.
1853         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
1854         set_target on object.
1855         * dynobj.h (class Sized_dynobj): Update declarations.
1856         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1857         make_elf_object returns NULL.
1858         (Archive::include_member): Don't check whether object target is
1859         compatible.
1860         * output.cc (Output_section::add_input_section): Get target from
1861         parameters.
1862         (Output_section::relax_input_section): Likewise.
1863         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1864         parameters.
1865         (Sized_relobj::do_scan_relocs): Likewise.
1866         (Sized_relobj::relocate_sections): Likewise.
1867         * resolve.cc (Symbol_table::resolve): Likewise.
1868         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
1869         parameter.  Change all callers.
1870         (Symbol_table::add_from_object): Get target from parameters.
1871         (Symbol_table::add_from_relobj): Don't check object target.
1872         (Symbol_table::add_from_dynobj): Likewise.
1873         (Symbol_table::define_special_symbol): Get target from
1874         parameters.
1875         * symtab.h (class Symbol_table): Update declaration.
1876         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1877         parameter.  Change all callers.  Clear parameter target.
1878         (Binary_test): Test target here.
1879         * testsuite/object_unittest.cc (gold_testsuite): Remove
1880         target_test_pointer parameter.  Change all callers.
1881         (Object_test): Test target here.
1882
1883 2009-09-26  Ian Lance Taylor  <iant@google.com>
1884
1885         * testsuite/initpri1.c: Don't try to use constructor priorities if
1886         compiling with gcc before 4.3.
1887
1888 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
1889
1890         * testsuite/retain_symbols_file_test.sh (check_present): Change
1891         output file name to retain_symbols_file_test.stdout.
1892         (check_absent): Likewise.
1893
1894 2009-09-18  Craig Silverstein  <csilvers@google.com>
1895
1896         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1897         * options.cc: Include <cerrno> and <fstream>.
1898         (General_options::finalize): Parse -retain-symbols-file tag.
1899         * options.h: New flag.
1900         (General_options): New method should_retain_symbol, new
1901         variable symbols_to_retain.
1902         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1903         should_retain_symbol map.
1904         * testsuite/Makefile.am (retain_symbols_file_test): New test.
1905         * testsuite/Makefile.in: Regenerate.
1906         * testsuite/retain_symbols_file_test.sh: New file.
1907
1908 2009-09-18  Nick Clifton  <nickc@redhat.com>
1909
1910         * po/es.po: Updated Spanish translation.
1911
1912 2009-09-17  Doug Kwan  <dougkwan@google.com>
1913
1914         * debug.h (DEBUG_RELAXATION): New constant.
1915         (DEBUG_ALL): Add DEBUG_RELAXATION.
1916         (debug_string_to_enum): Add relaxation debug option.
1917         * layout.cc
1918         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1919         Layout::Relaxation_debug_check::read_sections,
1920         Layout::Relaxation_debug_check::read_sections): New method definitions.
1921         (Layout::Layout): Initialize data members
1922         record_output_section_data_from_scrips_,
1923         script_output_section_data_list_ and relaxation_debug_check_.
1924         (Layout::save_segments, Layout::restore_segments,
1925         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1926         Layout::relaxation_loop_body): New method definitions.
1927         (Layout::finalize): Support relaxation.  Move section layout code to
1928         Layout::relaxation_loop_body.
1929         (Layout::set_asection_address_from_script): Move code for orphan
1930         section placement out.
1931         (Layout::place_orphan_sections_in_script): New method definition.
1932         * layout.h (Output_segment_headers, Output_file_header):
1933         New forward class declarations.
1934         (Layout::~Layout): Define.
1935         (Layout::new_output_section_data_from_script): New method definition.
1936         (Layout::place_orphan_sections_in_script): New method declaration.
1937         (Layout::Segment_states): New type declaration.
1938         (Layout::save_segments, Layout::restore_segments,
1939         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1940         Layout::relaxation_loop_body): New method declarations.
1941         (Layout::Output_section_data_list): New type declaration.
1942         (Layout::Relaxation_debug_check): New class definition.
1943         (Layout::record_output_section_data_from_script_,
1944         Layout::script_output_section_data_list_, Layout::segment_states_,
1945         Layout::relaxation_debug_check_): New data members.
1946         * output.cc: (Output_section_headers::do_size): New method definition.
1947         (Output_section_headers::Output_section_headers): Move size
1948         computation to Output_section_headers::do_size.
1949         (Output_segment_headers::do_size): New method definition.
1950         (Output_file_header::Output_file_header): Move size computation to
1951         Output_file_header::do_size and call it.
1952         (Output_file_header::do_size): New method definition.
1953         (Output_data_group::Output_data_group): Adjust call to
1954         Output_section_data.
1955         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1956         (Output_symtab_xindex::do_write): Add array bound check.
1957         (Output_section::Input_section::print_to_mapfile): Handle
1958         RELAXED_INPUT_SECTION_CODE.
1959         (Output_section::Output_section): Initialize data member checkpoint_.
1960         (Output_section::~Output_section): Delete checkpoint object pointed
1961         by checkpoint_.
1962         (Output_section::add_input_section): Always add an Input_section if
1963         relaxing.
1964         (Output_section::add_merge_input_section): Add assert.
1965         (Output_section::relax_input_section): New method definition.
1966         (Output_section::set_final_data_size): Set load address to zero for
1967         an unallocated section.
1968         (Output_section::do_address_and_file_offset_have_reset_values):
1969         New method definition.
1970         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1971         Handle relaxed input section.
1972         (Output_section::sort_attached_input_sections): Checkpoint input
1973         section list lazily.
1974         (Output_section::get_input_sections): Change type of input_sections to
1975         list of Simple_input_section pointers.  Checkpoint input section list
1976         lazily.  Also handle relaxed input sections.
1977         (Output_section::add_input_section_for_script): Take a reference to
1978         a Simple_input_section object instead of Relobj pointer and section
1979         index as parameter.  Handle relaxed input sections.
1980         (Output_section::save_states, Output_section::restore_states): New
1981         method definitions.
1982         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1983         (Output_data::is_data_size_fixed): New method definition.
1984         (Output_data::reset_addresss_and_file_offset): Do not reset data size
1985         if it is fixed.
1986         (Output_data::address_and_file_offset_have_reset_values): New method
1987         definition.
1988         (Output_data::do_address_and_file_offset_have_reset_values): New method
1989         definition.
1990         (Output_data::set_data_size): Check that data size is not fixed.
1991         (Output_data::fix_data_size): New method definition.
1992         (Output_data::is_data_size_fixed_): New data member.
1993         (Output_section_headers::set_final_data_size): New method definition.
1994         (Output_section_headers::do_size): New method declaration.
1995         (Output_segment_headers::set_final_data_size): New method definition.
1996         (Output_segment_headers::do_size): New method declaration.
1997         (Output_file_header::set_final_data_size)::New method definition.
1998         (Output_file_header::do_size)::New method declaration.
1999         (Output_section_data::Output_section_data): Add new parameter
2000         is_data_size_fixed and use it to fix data size.
2001         (Output_data_const::Output_data_const): Adjust call to base class
2002         constructor and fix data size.
2003         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
2004         base class constructor and fix data size.
2005         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
2006         base class constructor and fix data size.
2007         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
2008         class constructor and fix data size.
2009         (Output_data_group::set_final_data_size): New method definition.
2010         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
2011         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
2012         class constructor and fix data size.
2013         (Output_relaxed_input_section): New class definition.
2014         (Output_section::Simple_input_section): New class definition.
2015         (Output_section::get_input_sections): Adjust parameter list.
2016         (Output_section::add_input_section_for_script): Same.
2017         (Output_section::save_states, Output_section::restore_states,
2018         Output_section::do_address_and_file_offset_have_reset_values,
2019         (Output_section::Input_section::Input_section): Handle
2020         RELAXED_INPUT_SECTION_CODE.  Add new overload for
2021         Output_relaxed_input_section.
2022         (Output_section::Input_section::is_input_section,
2023         Output_section::Input_section::set_output_section): Handle relaxed
2024         input section.
2025         (Output_section::Input_section::is_relaxed_input_section,
2026         Output_section::Input_section::output_section_data,
2027         Output_section::Input_section::relaxed_input_section): New method
2028         definitions.
2029         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
2030         value.
2031         (Output_section::Input_section::u1_): Update comments.
2032         (Output_section::Input_section::u2_): Add new union member poris.
2033         (Output_section::Checkpoint_output_section): New classs definition.
2034         (Output_section::relax_input_section): New method declaration.
2035         (Output_section::checkpoint_): New data member.
2036         (Output_segment): Update comments.
2037         (Output_segment::Output_segment): Un-privatize copy constructor.
2038         (Output_segment::operator=): Un-privatize.
2039         * script-sections.cc (Output_section_element::Input_section_list):
2040         Change element type to Output_section::Simple_input_section.
2041         (Output_section_element_dot_assignment::set_section_addresses):
2042         Register output section data for relaxation clean up.
2043         (Output_data_exression::Output_data_expression): Adjust call to base
2044         constructor to fix data size.
2045         (Output_section_element_data::set_section_addresses): Register
2046         Output_data_expression object for relaxation clean up.
2047         (struct Input_section_info): Replace Relobj pointer and section index
2048         pair with Output_section::Simple_input_section and Convert struct to a
2049         class.
2050         (Input_section_sorter::operator()): Adjust access to
2051         Input_section_info data member to use accessors.
2052         (Output_section_element_input::set_section_addresses): Use layout
2053         parameter.  Adjust code to use Output_section::Simple_input_section
2054         and Input_secction_info classes.  Register filler for relaxation
2055         clean up.
2056         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
2057         and section index pair with Output_section::Simple_input_section
2058         class.  Adjust code accordingly.
2059         (Phdrs_element::release_segment): New method definition.
2060         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
2061         segment list.
2062         (Script_sections::release_segments): New method definition.
2063         * gold/script-sections.h (Script_sections::release_segments): New
2064         method declaration.
2065         * gold/target.h (Target::may_relax, Target::relax,
2066         Target::do_may_relax, Target::do_relax): New method definitions.
2067
2068 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2069
2070         * arm.cc (has_signed_unsigned_overflow): New function.
2071         (Arm_relocate_functions::abs8): New function.
2072         (Target_arm::Scan::local): Handle R_ARM_ABS8.
2073         (Target_arm::Scan::global): Likewise.
2074         (Target_arm::relocate::relocate): Likewise.
2075         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2076         Likewise.
2077
2078 2009-09-16  Cary Coutant  <ccoutant@google.com>
2079
2080         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
2081         * testsuite/Makefile.in: Regenerate.
2082
2083 2009-09-11  Nick Clifton  <nickc@redhat.com>
2084
2085         * po/gold.pot: Updated by the Translation project.
2086
2087 2009-09-08  Cary Coutant  <ccoutant@google.com>
2088
2089         * output.cc (Output_file::open): Add execute permission to empty file.
2090         * testsuite/Makefile.am (permission_test): New test.
2091         * testsuite/Makefile.in: Regenerate.
2092
2093 2009-09-02  Ian Lance Taylor  <iant@google.com>
2094
2095         * output.cc (Output_file::resize): Call map_no_anonymous rather
2096         than map.
2097
2098 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
2099
2100         * gold.cc: Include "incremental.h".
2101         (queue_initial_tasks): Call Incremental_checker methods.
2102         * incremental.cc: Include "output.h".
2103         (Incremental_checker::can_incrementally_link_output_file): New
2104         method.
2105         * incremental.h (Incremental_checker): New class.
2106
2107         * output.cc (Output_file::open_for_modification): New method.
2108         (Output_file::map_anonymous): Changed return type to bool.  Record
2109         map in base_ field.
2110         (Output_file::map_no_anonymous): New method, broken out of map.
2111         (Output_file::map): Use map_no_anonymous and map_anonymous.
2112         * output.h (class Output_file): Update declarations.
2113
2114 2009-08-24  Cary Coutant  <ccoutant@google.com>
2115
2116         * options.h (Command_line::Pre_options): New class.
2117         (Command_line::pre_options): New member.
2118         * options.cc (gold::options::ready_to_register): New variable.
2119         (One_option::register_option): Do nothing if not registering options.
2120         Assert if same short option registered twice.
2121         (General_options::General_options): Turn off option registration when
2122         done constructing.
2123         (Command_line::Pre_options::Pre_options): New constructor.
2124
2125 2009-08-24  Cary Coutant  <ccoutant@google.com>
2126
2127         * options.h (General_options::no_keep_memory): Remove incorrect
2128         short option.
2129
2130 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2131
2132         * Makefile.am (am__skiplex, am__skipyacc): New.
2133         * Makefile.in: Regenerate.
2134
2135 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2136
2137         * Makefile.am (AM_CPPFLAGS): Renamed from ...
2138         (INCLUDES): ... this.
2139         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
2140         (AM_CPPFLAGS): Renamed from ...
2141         (INCLUDE): ... this.
2142         * Makefile.in, testsuite/Makefile.in: Regenerate.
2143
2144         * Makefile.in: Regenerate.
2145         * aclocal.m4: Likewise.
2146         * config.in: Likewise.
2147         * configure: Likewise.
2148         * testsuite/Makefile.in: Likewise.
2149
2150         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2151         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2152         * Makefile.in: Regenerate.
2153         * testsuite/Makefile.in: Regenerate.
2154
2155 2009-08-19  Cary Coutant  <ccoutant@google.com>
2156
2157         * resolve.cc (Symbol_table::resolve): Don't complain about defined
2158         symbols in shared libraries overridden by hidden or internal symbols
2159         in the main program.
2160
2161 2009-08-19  Chris Demetriou  <cgd@google.com>
2162
2163         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
2164         checking source file names in error messages.
2165
2166 2009-08-18  Doug Kwan  <dougkwan@google.com>
2167
2168         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
2169         an elcpp::Ehdr as parameter.  Adjust call to set_target.
2170         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
2171         an elfcpp::Ehdr as parameter.
2172         * object.cc (Object::set_target): Remove the version that looks up
2173         a target and sets it.
2174         (Sized_relobj::setup): Take a Target object instead of
2175         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
2176         (make_elf_sized_object): Find target and ask target to
2177         make an ELF object.
2178         * object.h: (Object::set_target): Remove the version that looks up
2179         a target and sets it.
2180         (Sized_relobj::setup): Take a Target object instead of
2181         an elfcpp:Ehdr as parameter.
2182         * target.cc: Include dynobj.h.
2183         (Target::do_make_elf_object_implementation): New.
2184         (Target::do_make_elf_object): New.
2185         * target.h (Target::make_elf_object): New template declaration.
2186         (Target::do_make_elf_object): New method declarations.
2187         (Target::do_make_elf_object_implementation): New template declaration.
2188
2189 2009-08-14  Ian Lance Taylor  <iant@google.com>
2190
2191         * gold.h (FUNCTION_NAME): Define.
2192         (gold_unreachable): Use FUNCTION_NAME.
2193
2194 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2195
2196         * icf.cc (Icf::find_identical_sections): Issue a warning when a
2197         symbol in the --keep-unique list is not found.
2198
2199 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2200
2201         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
2202         been maked as --keep-unique.
2203         (Icf::unfold_section): New function.
2204         * icf.h (Icf::unfold_section): New function.
2205         * options.h (General_options::keep_unique): New option.
2206         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
2207         * testsuite/Makefile.in: Regenerate.
2208         * testsuite/icf_keep_unique_test.sh: New file.
2209         * testsuite/icf_keep_unique_test.cc: New file.
2210
2211 2009-08-12  Cary Coutant  <ccoutant@google.com>
2212
2213         PR 10471
2214         * resolve.cc (Symbol_table::resolve): Check for references from
2215         dynamic objects to hidden and internal symbols.
2216         * testsuite/Makefile.am (hidden_test.sh): New test.
2217         * testsuite/Makefile.in: Regenerate.
2218         * testsuite/hidden_test.sh: New script.
2219         * testsuite/hidden_test_1.c: New test source.
2220         * testsuite/hidden_test_main.c: New test source.
2221
2222 2009-08-11  Doug Kwan  <dougkwan@google.com>
2223
2224         * arm.cc: Update comments.
2225         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
2226         segment to locate the .ARM.exidx section if present.
2227
2228 2009-08-09  Doug Kwan  <dougkwan@google.com>
2229
2230         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
2231         patch.
2232
2233 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
2234         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
2235         compiler warnings.
2236
2237 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
2238
2239         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
2240         valid tls_segment only for non-debug-section relocations.
2241         * testsuite/Makefile.am: Add gc_tls_test.
2242         * testsuite/Makefile.in: Regenerate.
2243         * testsuite/gc_tls_test.cc: New file.
2244         * testsuite/gc_tls_test.sh: New file.
2245
2246 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
2247
2248         * icf.cc: New file.
2249         * icf.h: New file.
2250         * Makefile.am (CCFILES): Add icf.cc.
2251         (HFILES): Add icf.h
2252         * Makefile.in: Regenerate.
2253         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
2254         * gc.h (gc_process_relocs): Populate lists used by icf to contain
2255         section, symbol and addend information for the relocs.
2256         * gold.cc (queue_middle_tasks): Call identical code folding.
2257         * gold.h: Add defines for multimap.
2258         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
2259         to the call of finalize_local_symbols.
2260         * main.cc (main): Create object of class Icf.
2261         * object.cc (Sized_relobj::do_layout): Allow this function to be
2262         called twice during icf.
2263         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
2264         to sections marked as identical by icf.
2265         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
2266         when available.
2267         (Sized_relobj::do_section_entsize): New function.
2268         * object.h (Object::section_entsize): New function.
2269         (Object::do_section_entsize): New pure virtual function.
2270         (Relobj::finalize_local_symbols): Add new parameter.
2271         (Relobj::do_section_entsize): New function.
2272         * options.h (General_options::icf): New option.
2273         (General_options::icf_iterations): New option.
2274         (General_options::print_icf_sections): New option.
2275         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
2276         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
2277         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
2278         icf.
2279         * symtab.cc (Symbol_table::is_section_folded): New function.
2280         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
2281         to sections marked as identical by icf.
2282         * symtab.h (Symbol_table::set_icf): New function.
2283         (Symbol_table::icf): New function.
2284         (Symbol_table::is_section_folded): New function.
2285         (Symbol_table::icf_): New data member.
2286         * target-reloc.h (relocate_section): Ignore sections folded by icf.
2287         * testsuite/Makefile.am: Add commands to build icf_test.
2288         * testsuite/Makefile.in: Regenerate.
2289         * testsuite/icf_test.sh: New file.
2290         * testsuite/icf_test.cc: New file.
2291
2292 2009-07-24  Chris Demetriou  <cgd@google.com>
2293
2294         * layout.cc (is_compressible_debug_section): Fix incorrect
2295         comment about compressed section names.
2296
2297 2009-07-20  Ian Lance Taylor  <ian@airs.com>
2298
2299         PR 10419
2300         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
2301
2302 2009-07-16  Ian Lance Taylor  <iant@google.com>
2303
2304         PR 10400
2305         * layout.h: #include <map>.
2306         (class Kept_section): Change from struct to class.  Add accessors
2307         and setters.  Add section size to Comdat_group mapping.  Change
2308         Comdat_group to std::map.  Add is_comdat_ field.  Add
2309         linkonce_size field in union.
2310         (class Layout): Update declaration of find_or_add_kept_section.
2311         Don't declare find_kept_object.
2312         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
2313         parameter.  Add object, shndx, is_comdat, and is_group_name
2314         parameters.  Change all callers.  Adjust for new Kept_section.
2315         (Layout::find_kept_object): Remove.
2316         * object.cc (Sized_relobj::include_section_group): Update use of
2317         Kept_section.  Rename secnum to shndx.  Only record
2318         Kept_comdat_section if sections are the same size.
2319         (Sized_relobj::include_linkonce_section): Update use of
2320         Kept_section.  Only record Kept_comdat_section if sections are the
2321         same size.  Set size of linkonce section.
2322         (Sized_relobj::map_to_kept_section): Update call to
2323         get_kept_comdat_section.
2324         * object.h (class Sized_relobj): Rename fields in
2325         Kept_comdat_section to drop trailing underscores; change object
2326         field to Relobj*.  Change Kept_comdat_section_table to store
2327         struct rather than pointer.
2328         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
2329         Add kept_object and kept_shndx parameters.  Change all callers.
2330         (Sized_relobj::get_kept_comdat_section): Change return type to
2331         bool.  Add kept_object and kept_shndx parameters.  Change all
2332         callers.
2333         * plugin.cc (Pluginobj::include_comdat_group): Update call to
2334         Layout::find_or_add_kept_section.
2335
2336 2009-07-09  Ian Lance Taylor  <iant@google.com>
2337
2338         * merge.cc (Object_merge_map::initialize_input_to_output_map):
2339         Reserve space in the hash table.
2340
2341 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
2342
2343         * fileread.cc (File_read::get_mtime): New method.
2344         * fileread.h (Timespec): New structure.
2345         (File_read::get_mtime): New method.
2346         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
2347         Renamed from timestamp_nsec.
2348         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
2349         Elf_Xword.
2350         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
2351         timestamp_nsec.
2352         (Incremental_inputs::report_archive): Save mtime; style fix.
2353         (Incremental_inputs::report_obejct): Save mtime; style fix.
2354         (Incremental_inputs::report_script): Save mtime; style fix.
2355         (Incremental_inputs::finalize_inputs): Style fix.
2356         (Incremental_inputs::finalize): Style fix.
2357         (Incremental_inputs::create_input_section_data): Store inputs
2358         mtime.
2359         * incremental.h (Incremental_inputs::report_script): Add mtime
2360         argument.
2361         (Incremental_inputs::Input_info::Input_info): Intialize only one
2362         union member.
2363         (Incremental_inputs::Input_info::archive): Move to nameless
2364         union.
2365         (Incremental_inputs::Input_info::obejct): Move to nameless union.
2366         (Incremental_inputs::Input_info::script): Move to nameless union.
2367         (Incremental_inputs::mtime): New field.
2368         * script.cc (read_input_script): Pass file mtime to
2369         Incremental_input.
2370         * script.h (Script_info::inputs): Style fix.
2371
2372 2009-07-01  Ian Lance Taylor  <ian@airs.com>
2373
2374         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
2375         instead of 32.
2376
2377 2009-06-24  Ian Lance Taylor  <iant@google.com>
2378
2379         PR 10156
2380         * layout.cc (Layout::choose_output_section): If we find an
2381         existing section, update the flags.
2382         (Layout::create_notes): New function, broken out of
2383         Layout::finalize.
2384         (Layout::finalize): Don't create note sections.
2385         (Layout::create_note): Don't crash if linker script discards
2386         section.
2387         (Layout::create_gold_note): Likewise.
2388         (Layout::create_build_id): Likewise.  Don't set
2389         after_input_sections on the section.
2390         (Layout::create_executable_stack_info): Remove target parameter.
2391         Change caller.
2392         * layout.h (class Layout): Declare create_notes.  Update
2393         declaration of create_executable_stack_info.
2394         * gold.cc (queue_middle_tasks): Call create_notes.
2395         * output.cc (Output_section::update_flags_for_input_section): Move
2396         here from output.h.  If SHF_ALLOC flag is newly set, mark address
2397         invalid.
2398         * output.h (Output_data::mark_address_invalid): New function.
2399         (class Output_section): Only declare, not define,
2400         update_flags_for_input_section.  Remove set_flags.
2401
2402 2009-06-24  Ian Lance Taylor  <iant@google.com>
2403
2404         * script-sections.cc (Output_section_definition::
2405         set_section_addresses): Rename shadowing local load_address to
2406         laddr.
2407
2408 2009-06-24  Ian Lance Taylor  <iant@google.com>
2409
2410         PR 10244
2411         * reloc.cc (relocate_sections): Skip empty relocation sections.
2412
2413 2009-06-23  Ian Lance Taylor  <iant@google.com>
2414
2415         PR 10156
2416         * layout.cc (Layout::create_note): Use choose_output_section
2417         rather than make_output_section.
2418
2419 2009-06-23  Ian Lance Taylor  <iant@google.com>
2420
2421         PR 10237
2422         * options.cc (General_options::parse_V): Set printed_version_.
2423         (General_options::General_options): Initialize printed_version_.
2424         * options.h (class General_options): Add printed_version_ field.
2425         * gold.cc (queue_initial_tasks): If there are no input files,
2426         don't give a fatal error if we printed the version information.
2427         (queue_middle_tasks): If using -r with a shared object, give a
2428         fatal error rather than an ordinary error.
2429
2430 2009-06-23  Ian Lance Taylor  <iant@google.com>
2431
2432         PR 10219
2433         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2434         (Layout::make_output_section): Set have_stabstr_section_ if we see
2435         a .stab*str section.
2436         (Layout::finalize): Call link_stabs_sections.
2437         (Layout::link_stabs_sections): New file.
2438         * layout.h (class Layout): Add have_stabstr_section_ field.
2439         Declare link_stabs_sections.
2440
2441 2009-06-23  Doug Kwan  <dougkwan@google.com>
2442
2443         * Makefile.am (libgold_a_LIBADD): New.
2444         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2445         * Makefile.in: Regenerate.
2446         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2447         * configure: Regenerate.
2448         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2449         * fileread.cc: Include sys/state.h
2450         * gold.h: Declare memmem and strndup if found missing.
2451         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2452
2453 2009-06-23  Ian Lance Taylor  <iant@google.com>
2454
2455         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2456         * configure: Rebuild.
2457
2458 2009-06-23  Ian Lance Taylor  <iant@google.com>
2459
2460         PR 10147
2461         * object.cc (Object::section_contents): Don't try to get a view if
2462         the section has length zero.
2463         (Object::handle_gnu_warning_section): If the section is empty, use
2464         the name of the section as the warning.
2465
2466 2009-06-23  Ian Lance Taylor  <iant@google.com>
2467
2468         PR 10133
2469         * stringpool.h (class Stringpool_template): Add optimize_ field.
2470         (Stringpool_template::set_optimize): New function.
2471         * stringpool.cc (Stringpool_template::Stringpool_template):
2472         Initialize optimize_ field.
2473         (Stringpool_template::set_string_offsets): Test local optimize
2474         fild rather than parameter.
2475         * layout.cc (Layout::Layout): Call set_optimize on the section
2476         name stringpool.
2477
2478 2009-06-22  Ian Lance Taylor  <iant@google.com>
2479
2480         PR 10030
2481         * yyscript.y: Parse TARGET.
2482         * script.cc (script_set_target): New function.
2483         * script-c.h (script_set_target): Declare.
2484         * options.cc (General_options::string_to_object_format): Rename
2485         from string_to_object_format in anonymous namespace.  Change
2486         callers.
2487         * options.h (class General_options): Declare
2488         string_to_object_format.
2489
2490 2009-06-22  Ian Lance Taylor  <iant@google.com>
2491
2492         * script-sections.cc (Script_sections::create_segments): Don't put
2493         program headers in a PT_LOAD segment if -n or -N.
2494
2495 2009-06-22  Ian Lance Taylor  <iant@google.com>
2496
2497         PR 10141
2498         * options.h (class General_options): Add -z lazy and -z now.  Sort
2499         -z options into alphabetical order.
2500         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2501
2502 2009-06-21  Ian Lance Taylor  <iant@google.com>
2503
2504         * layout.cc (Layout::make_output_section): Call
2505         Target::new_output_section.
2506         (Layout::attach_allocated_section_to_segment): Put large section
2507         sections in a separate load segment with the large segment flag
2508         set.
2509         (Layout::segment_precedes): Sort large data segments after other
2510         load segments.
2511         (align_file_offset): New static function.
2512         (Layout::set_segment_offsets): Use align_file_offset.
2513         * output.h (class Output_section): Add is_small_section_ and
2514         is_large_section_ fields.
2515         (Output_section::is_small_section): New function.
2516         (Output_section::set_is_small_section):  New function.
2517         (Output_section::is_large_section): New function.
2518         (Output_section::set_is_large_section): New function.
2519         (Output_section::is_large_data_section): New function.
2520         (class Output_segment): Add is_large_data_segment_ field.
2521         (Output_segment::is_large_data_segment): New function.
2522         (Output_segment::set_is_large_data_segment): New function.
2523         * output.cc (Output_section::Output_section): Initialize new
2524         fields.
2525         (Output_segment::Output_segment): Likewise.
2526         (Output_segment::add_output_section): Add assertion that large
2527         data sections always go in large data segments.  Force small data
2528         sections to the end of the list of data sections.  Force small BSS
2529         sections to the start of the list of BSS sections.  For large BSS
2530         sections to the end of the list of BSS sections.
2531         * symtab.h (class Symbol): Declare is_common_shndx.
2532         (Symbol::is_defined): Check Symbol::is_common_shndx.
2533         (Symbol::is_common): Likewise.
2534         (class Symbol_table): Define enum Commons_section_type.  Update
2535         declarations.  Add small_commons_ and large_commons_ fields.
2536         * symtab.cc (Symbol::is_common_shndx): New function.
2537         (Symbol_table::Symbol_table): Initialize new fields.
2538         (Symbol_table::add_from_object): Put small and large common
2539         symbols in the right list.
2540         (Symbol_table::sized_finalized_symbol): Check
2541         Symbol::is_common_shndx.
2542         (Symbol_table::sized_write_globals): Likewise.
2543         * common.cc (Symbol_table::do_allocate_commons): Allocate new
2544         common symbol lists.  Don't call do_allocate_commons_list if the
2545         list is empty.
2546         (Symbol_table::do_allocate_commons_list): Remove is_tls
2547         parameter.  Add comons_section_type parameter.  Change all
2548         callers.  Handle small and large common symbols.
2549         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
2550         Symbol::is_common_shndx.
2551         * resolve.cc (symbol_to_bits): Likewise.
2552         * target.h (Target::small_common_shndx): New function.
2553         (Target::small_common_section_flags): New function.
2554         (Target::large_common_shndx): New function.
2555         (Target::large_common_section_flags): New function.
2556         (Target::new_output_section): New function.
2557         (Target::Target_info): Add small_common_shndx, large_common_shndx,
2558         small_common_section_flags, and large_common_section_flags
2559         fields.
2560         (Target::do_new_output_section): New virtual function.
2561         * arm.cc (Target_arm::arm_info): Initialize new fields.
2562         * i386.cc (Target_i386::i386_info): Likewise.
2563         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2564         Likewise.
2565         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
2566         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2567         (Target_x86_64::do_new_output_section): New function.
2568         * configure.ac: Define conditional MCMODEL_MEDIUM.
2569         * testsuite/Makefile.am (check_PROGRAMS): Add large.
2570         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
2571         (large_LDFLAGS): Define.
2572         * testsuite/large.c: New file.
2573         * testsuite/testfile.cc (Target_test::test_target_info):
2574         Initialize new fields.
2575         * configure, testsuite/Makefile.in: Rebuild.
2576
2577 2009-06-05  Doug Kwan  <dougkwan@google.com>
2578
2579         * Makefile.am (CCFILES): Add target.cc.
2580         * Makefile.in: Regenerate.
2581         * i386.cc (class Target_i386): Define new virtual method to
2582         override do_is_local_label_name in parent.
2583         * object.cc (Sized_relobj::do_count_local_symbols): Discard
2584         local symbols if --discard-locals or -X is given.
2585         * options.h (class General_options): Declare new options
2586         '--discard-locals' and '-X' for discarding locals.
2587         * target.h (class Target): Define new methods is_local_label_name.
2588         Declare new virtual method do_is_local_label_name.
2589         * target.cc: New file.
2590         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
2591         (check_SCRIPTS): Add discard_locals_test.sh.
2592         (check_DATA): Add discard_local_tests.syms.
2593         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
2594         (discard_local_tests.syms, discard_locals_test.o): New make rules.
2595         * testsuite/Makefile.in: Regenerate.
2596         * testsuite/discard_locals_test.c: New file.
2597         * testsuite/discard_locals_test.sh: Same.
2598
2599 2009-06-05  Doug Kwan  <dougkwan@google.com>
2600
2601         * object.cc (Sized_relobj::Sized_relobj): Initialize
2602         discarded_eh_frame_shndx_ to -1U.
2603         (Sized_relobj::do_layout): Record index of a discard .eh_frame
2604         section.
2605         (Sized_relobj::do_count_local_symbols): Skip local symbols in
2606         a discarded .eh_frame section.
2607         (Sized_relobj::do_finalize_local_symbols): Ditto.
2608         * object.h (class Sized_relobj): Declare new member
2609         discarded_eh_frame_shndx_.
2610         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
2611         (local_labels_test.o, local_labels_test): New rules.
2612         * testsuite/Makefile.in: Regenerate.
2613
2614 2009-06-04  Doug Kwan  <dougkwan@google.com>
2615
2616         * layout.cc (Layout::section_name_mapping): Add mapping for
2617         special ARM sections.
2618
2619 2009-06-03  Doug Kwan  <dougkwan@google.com>
2620
2621         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
2622         (utils::has_overflow): Same.
2623
2624 2009-06-03  Ian Lance Taylor  <iant@google.com>
2625
2626         * layout.cc (Layout::section_name_mapping): New array, replacing
2627         Layout::linkonce_mapping.
2628         (Layout::section_name_mapping_count): New variable, replacing
2629         Layout::linkonce_mapping_count.
2630         (Layout::linkonce_output_name): Remove.
2631         (Layout::output_section_name): Rewrite.
2632         * layout.h (class Layout): Rename Linkonce_mapping to
2633         Section_name_mapping, linkonce_mapping to section_name_mapping,
2634         linkonce_mapping_count to section_name_mapping_count.  Don't
2635         declare linkonce_output_name.
2636
2637 2009-06-03  Doug Kwan  <dougkwan@google.com>
2638
2639         * gold/arm.cc (namespace utils): New.
2640         (Target_arm::reloc_is_non_pic): Define new method.
2641         (class Arm_relocate_functions): New.
2642         (Target_arm::Relocate::relocate): Handle relocation types used by
2643         Android.
2644
2645 2009-06-03  Ian Lance Taylor  <iant@google.com>
2646
2647         * arm.cc (Target_arm::scan::global): Use || instead of |.
2648
2649 2009-06-02  Doug Kwan  <dougkwan@google.com>
2650
2651         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
2652         issued_non_pic_error_.
2653         (class Target_arm::Scan): Declare new method check_non_pic.
2654         Define new method symbol_needs_plt_entry.
2655         Declare new data member issued_non_pic_error_.
2656         (class Target_arm::Relocate): Declare new method
2657         should_apply_static_reloc.
2658         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2659         (Target_arm::Scan::check_non_pic): Define new method.
2660         (Target_arm::Scan::local): Handle a small subset of reloc types used
2661         by Android.
2662         (Target_arm::Scan::local): Same.
2663         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2664
2665 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
2666
2667         * incremental.cc (Incremental_inputs::report_command_line): Filter
2668         out --incremental-* options.
2669
2670 2009-05-29  Doug Kwan  <dougkwan@google.com>
2671
2672         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2673         template class.
2674         (class Target_arm): Update comment.
2675         (Target_arm::Target_arm): Initialize new data members GOT_,
2676         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2677         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2678         and Target_arm::rel_dyn_section.
2679         Declare new_enum Target_arm::Got_type.
2680         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2681         and DYNBSS_.
2682         Update commments for member do_dynsym_value.
2683         (Target_arm::got_size, Target_arm::plt_section,
2684         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2685         new methods inside class defintion.
2686         (Target_arm::got_section): Define new method.
2687         (Target_arm::rel_dyn_section): Same.
2688         (Output_data_plt_arm): New template class.
2689         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2690         (Output_data_plt_arm:do_adjust_output_section): Define new method.
2691         (Output_data_plt_arm::add_entry): Same.
2692         (Output_data_plt_arm::first_plt_entry): Define new
2693         static data member for PLT instruction template.
2694         (Output_data_plt_arm::plt_entry): Same.
2695         (Output_data_plt_arm::do_write): Define new method.
2696         (Target_arm::make_plt_entry): Same.
2697         (Target_arm::do_finalize_sections): Same.
2698         (Target_arm::do_dynsym_value): Same.
2699
2700 2009-05-28  Doug Kwan  <dougkwan@google.com>
2701
2702         * Makefile.am (TARGETSOURCES): Add arm.cc.
2703         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2704         * Makefile.in: Regenerate.
2705         * arm.cc: New file.
2706         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2707
2708 2009-05-26  Doug Kwan  <dougkwan@google.com>
2709
2710         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
2711         (General_options::check_excluded_libs): Strip off directories in
2712         archive name before matching like GNU ld does.
2713         * testsuite/Makefile.am (MOSTLYCLEANFILES,
2714         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2715         (exclude_libs_test_LDFLAGS): Add linker option
2716         -Wl,--exclude-libs,libexclude_libs_test_3
2717         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2718         an explicit archive without using -l.
2719         (alt/libexclude_libs_test_3.a): New make rule.
2720         * testsuite/Makefile.in: Regenerate.
2721         * testsuite/exclude_libs_test.c : Declare lib3_default().
2722         (main): Call it.
2723         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2724         * exclude_libs_test_3.c: New file.
2725
2726 2009-05-26  Nick Clifton  <nickc@redhat.com>
2727
2728         * po/id.po: New Indonesian translation.
2729         * po/gold.pot: Updated template file.
2730
2731 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
2732
2733         * testsuite/Makefile.am: Add -ffunction-sections to compile
2734         gc_comdat_test files.  Add -Wl,--gc-sections to build
2735         gc_comdat_test.
2736         * testsuite/Makefile.in: Regenerate.
2737         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2738
2739 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
2740
2741         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2742         kept comdat section was garbage collected.
2743         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2744         * testsuite/Makefile.in: Regenerate.
2745         * testsuite/gc_comdat_test.sh: New file.
2746         * testsuite/gc_comdat_test_1.cc: New file.
2747         * testsuite/gc_comdat_test_2.cc: New file.
2748
2749 2009-05-19  Doug Kwan  <dougkwan@google.com>
2750
2751         * archive.cc (Archive::Archive): Move constructor from archive.h
2752         to here.  Initialize no_export_.
2753         (Archive::get_elf_object_for_member): Set no_export flag of object.
2754         * archive.h (Archive::Archive): Move constructor body to
2755         archive.cc.
2756         (Archive::no_export): New method.
2757         (Archive::no_export_): New field.
2758         * object.h (Object::Object): Initialize no_export_ to false.
2759         (Object::no_export, Object::set_no_export): New methods.
2760         (Object::no_export_): New field.
2761         * options.cc (General_options::parse_exclude_libs): New method.
2762         (General_options::check_excluded_libs) Same.
2763         * options.h (exclude_libs): New option.
2764         (General_options::check_excluded_libs): New method declaration.
2765         (General_options::excluded_libs_): New field.
2766         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2767         default or protected visibility if an object has no-export flag set.
2768         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2769         (check_SCRIPTS): Add exclude_libs_test.sh.
2770         (check_DATA): Add exclude_libs_test.syms.
2771         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2772         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2773         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2774         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2775         (exclude_libs_test.syms, libexclude_libs_test_1.a,
2776         libexclude_libs_test_2.a): New rules.
2777         * testsuite/Makefile.in: Regenerate.
2778         * testsuite/exclude_libs_test.c: New file.
2779         * testsuite/exclude_libs_test.sh: Ditto.
2780         * testsuite/exclude_libs_test_1.c: Ditto.
2781         * testsuite/exclude_libs_test_2.c: Ditto.
2782
2783 2009-05-15  Ian Lance Taylor  <iant@google.com>
2784
2785         * configure.ac: Check for declarations for cases where libiberty.h
2786         checks HAVE_DECL_xxx.
2787         * configure, config.in: Rebuild.
2788
2789 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
2790
2791         * gold.h (Incremental_argument_list): Remove (invalid) forward
2792         declaration.
2793         * incremental.cc (Incremental_inputs::report_achive): New method.
2794         (Incremental_inputs::report_object): New method.
2795         (Incremental_inputs::report_script): New method.
2796         (Incremental_inputs::finalize_inputs): New method.
2797         (Incremental_inputs::finalize): Call finalize_inputs().
2798         (Incremental_inputs::sized_create_incremental_inputs_section_data):
2799         Create inputs entries.
2800         * incremental.h (Incremental_input_type): New enum.
2801         (Incremental_inputs::Incremental_input): Initialize new fields.
2802         (Incremental_inputs::report_inputs): New method.
2803         (Incremental_inputs::report_achive): New method.
2804         (Incremental_inputs::report_object): New method.
2805         (Incremental_inputs::report_script): New method.
2806         (Incremental_inputs::finalize_inputs): New method.
2807         (Incremental_inputs::Input_info): New struct.
2808         (Incremental_inputs::Input_info_map): New typedef.
2809         (Incremental_inputs::lock_): New field.
2810         (Incremental_inputs::Inputs_): New field.
2811         (Incremental_inputs::Inputs_map): New field.
2812         * main.cc (main): Call Incremental_input::report_inputs.
2813         * options.h (Input_argument_list): Typedef moved from
2814         Input_arguments.
2815         (Input_file_group::Files): Remove, use ::Input_argument_list.
2816         (Input_file_group::Input_argument_list): Remove, use
2817         ::Input_argument_list.
2818         * plugin.cc (Plugin_manager::add_input_file): Add error in
2819         incremental build.
2820         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2821         functions.
2822         * script.cc (read_input_script): Call
2823         Incremental_input::report_script.
2824         * script.h (Script_info): New class.
2825
2826 2009-04-27  Ian Lance Taylor  <iant@google.com>
2827
2828         * x86_64.cc (do_adjust_output_section): Set entsize to
2829         plt_entry_size.
2830
2831 2009-04-23  Elliott Hughes  <enh@google.com>
2832
2833         * output.cc (Output_file::close): After short writes, continue
2834         writing from the correct offset in the buffer being written.
2835
2836 2009-04-23  Chris Demetriou  <cgd@google.com>
2837
2838         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2839         * configure: Regenerate.
2840         * config.in: Regenerate.
2841         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2842         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2843
2844 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
2845
2846         * incremental.cc (Incremental_inputs_header_data): Renamed from
2847         Incremental_input_header_data.
2848         (Incremental_inputs_header_data::data_size): New field.
2849         (Incremental_inputs_header_data::put_input_file_count): Renamed
2850         from input_file_count.
2851         (Incremental_inputs_header_data::put_command_line_offset): Renamed
2852         from command_line_offset.
2853         (Incremental_inputs_header_data::put_reserved): Renamed from
2854         put_reserved.
2855         (Incremental_inputs_entry_data): Renamed from
2856         Incremental_input_entry_data.
2857         (Incremental_inputs_entry_data::data_size): New field.
2858         (Incremental_inputs::report_command_line): New method.
2859         (Incremental_inputs::finalize): New method.
2860         (Incremental_inputs::create_incremental_inputs_data): New method.
2861         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2862         * incremental.h: New file.
2863         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2864        (Layout::finalize): Create incremental inputs section in
2865         incremental builds.
2866        (Layout::create_incremental_info_sections): New method.
2867         * layout.h (Layout::incremental_inputs): New method.
2868        (Layout::create_incremental_info_sections): New method.
2869        (Layout::incremental_inputs_): New field.
2870         * main.cc (main): Notify Incremental_input of the command line.
2871
2872 2009-04-01  Ian Lance Taylor  <iant@google.com>
2873             Mikolaj Zalewski  <mikolajz@google.com>
2874
2875         * gold.h (reserve_unordered_map): Define, three versions, one for
2876         each version of Unordered_map.
2877         * layout.cc (Layout::Layout): Remove options parameter.  Add
2878         number_of_input_files parameter.  Don't initialize options_.
2879         Initialize number_of_input_files_ and resized_signatures_.  Move
2880         sections_are_attached_.
2881         (Layout::layout_group): Reserve space for group_signatures_.
2882         (Layout::find_or_add_kept_section): Change name parameter to be a
2883         reference.  Resize signatures_ map when it gets large enough.
2884         (Layout::layout_eh_frame): Use parameters->options() instead of
2885         this->options_.
2886         (Layout::make_output_section): Likewise.
2887         (Layout::attach_allocated_section_to_segment): Likewise.
2888         (Layout::finalize, Layout::create_executable_stack): Likewise.
2889         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2890         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2891         * layout.h (class Layout): Update declarations.  Remove options_
2892         field.  Add number_of_input_files_ and resized_signatures_
2893         fields.  Move sections_are_attached_ field.
2894         * main.cc (main): Pass number of input files to Layout
2895         constructor.  Don't pass options.
2896
2897 2009-03-30  Ian Lance Taylor  <iant@google.com>
2898
2899         * ffsll.c (ffsll): Correct implementation.
2900
2901 2009-03-27  Ian Lance Taylor  <iant@google.com>
2902
2903         * ffsll.c: New file.
2904         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2905         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2906         * ftruncate.c (ftruncate): Declare before definition.
2907         * mremap.c (mremap): Likewise.
2908         * pread.c (pread): Likewise.
2909         * configure, Makefile.in, config.in: Rebuild.
2910
2911         * mremap.c: New file.
2912         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2913         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2914         (mremap): Declare if HAVE_MREMAP is not defined.
2915         * configure, Makefile.in, config.in: Rebuild.
2916
2917 2009-03-27  Cary Coutant  <ccoutant@google.com>
2918
2919         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2920         position independent.
2921         * sparc.cc (Target_sparc::check_non_pic): Likewise.
2922         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2923
2924 2009-03-24  Cary Coutant  <ccoutant@google.com>
2925
2926         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2927         an executable.
2928         (needs_dynamic_reloc): Likewise.
2929
2930 2009-03-24  Ian Lance Taylor  <iant@google.com>
2931
2932         * yyscript.y (file_cmd): Recognize EXTERN.
2933         (extern_name_list, extern_name_list_body): New nonterminals.
2934         * script.cc (script_add_extern): Define.
2935         * script-c.h (script_add_extern): Declare.
2936
2937 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
2938
2939         * object.cc (is_elf_object): Define.
2940         * object.h (is_elf_object): Declare.
2941         * archive.cc (Archive::get_elf_object_for_member): Call
2942         is_elf_object.
2943         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2944
2945 2009-03-24  Elliott Hughes  <enh@google.com>
2946
2947         * output.cc (Output_file::map_anonymous): Define.
2948         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
2949         try an anonymous one.  Report the size if the mmap fails.
2950         * output.h (class Output_file): Declare map_anonymous.
2951
2952 2009-03-24  Ian Lance Taylor  <iant@google.com>
2953
2954         * target-select.cc (instantiate_target): Don't acquire the lock if
2955         the instantiated_target_ field has already been set.
2956
2957 2009-03-23  Ian Lance Taylor  <iant@google.com>
2958
2959         * gold-threads.h (class Initialize_lock): Define.
2960         * gold-threads.cc (class Initialize_lock_once): Define.
2961         (initialize_lock_control): New static variable.
2962         (initialize_lock_pointer): New static variable.
2963         (initialize_lock_once): New static function.
2964         (Initialize_lock::Initialize_lock): Define.
2965         (Initialize_lock::initialize): Define.
2966         * target-select.h: Include "gold-threads.h".
2967         (class Target_selector): Add lock_ and initialize_lock_ fields.
2968         Don't define instantiate_target, just declare it.
2969         * target-select.cc (Target_selector::Target_selector): Initialize
2970         new fields.
2971         (Target_selector::instantiate_target): Define.
2972         * descriptors.h: Include "gold-threads.h".
2973         (class Descriptors): Add initialize_lock_ field.
2974         * descriptors.cc (Descriptors::Descriptors): Initialize new
2975         field.
2976         (Descriptors::open): Use initialize_lock_ field
2977         * errors.h (class Errors): Add initialize_lock_ field.
2978         * errors.cc (Errors::Errors): Initialize new field.
2979         (Errors::initialize_lock): Use initialize_lock_ field.
2980         * powerpc.cc (class Target_selector_powerpc): Remove
2981         instantiated_target_ field.  In do_recognize call
2982         instantiate_target rather than do_instantiate_target.  In
2983         do_instantiate_target just allocate a new target.
2984         * sparc.cc (class Target_selector_sparc): Likewise.
2985
2986         * freebsd.h: New file.
2987         * i386.cc: Include "freebsd.h".
2988         (Target_i386): Derive from Target_freebsd rather than
2989         Sized_target.
2990         (Target_selector_i386): Derive from Target_selector_freebsd rather
2991         than Target_selector.
2992         * x86_64.cc: Include "freebsd.h".
2993         (Target_x86_64): Derive from Target_freebsd rather than
2994         Sized_target.
2995         (Target_selector_x86_64): Derive from Target_selector_freebsd
2996         rather than Target_selector.
2997         * target.h (class Target): Add adjust_elf_header and
2998         do_adjust_elf_header.
2999         * output.cc (Output_file_header:: do_sized_write): Call target
3000         adjust_elf_header routine.
3001         * configure.tgt: Set targ_osabi.
3002         * configure.ac: Define GOLD_DEFAULT_OSABI.
3003         * parameters.cc (Parameters::default_target): Pass
3004         GOLD_DEFAULT_OSABI to select_target.
3005         * target-select.h (class Target_selector): Make instantiate_target
3006         protected rather than private.
3007         * Makefile.am (HFILES): Add freebsd.h.
3008         * configure, Makefile.in, config.in: Rebuild.
3009
3010         * merge.cc (do_add_input_section): Correct pend value.  Change
3011         message about last entry not being null terminated from error to
3012         warning.
3013
3014 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
3015
3016         * incremental.cc: New file.
3017         * Makefile.am (CCFILES): Add incremental.cc.
3018         * Makefile.in: Rebuild.
3019
3020 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
3021
3022         * layout.cc (Layout::output_section_name): Preserve names
3023         of '.note.' sections.
3024
3025 2009-03-19  Ian Lance Taylor  <iant@google.com>
3026
3027         * descriptors.cc (Descriptors::open): Check that the options are
3028         valid before using them.
3029
3030 2009-03-18  Ian Lance Taylor  <iant@google.com>
3031
3032         * script-sections.h: Include <list>.
3033         (class Script_sections): Change Sections_elements from std::vector
3034         to std::list.  Typedef public Elements_iterator.  Add
3035         orphan_section_placement_, data_segment_align_start_, and
3036         saw_data_segment_align_ fields.  Remove data_segment_align_index_
3037         field.
3038         * script-sections.cc (class Orphan_section_placement): New class.
3039         (class Sections_element): Add virtual functions is_relro and
3040         orphan_section_init.  Remove virtual function place_orphan_here.
3041         (class Output_section_definition): Add is_relro and
3042         orphan_section_init.  Remove place_orphan_here.
3043         (class Orphan_output_section): Likewise.
3044         (Script_sections::Script_sections): Update for field changes.
3045         (Script_sections::data_segment_align): Set saw_data_segment_align_
3046         and data_segment_align_start_, not data_segment_align_index.
3047         (Script_sections::data_segment_relro_end): Check
3048         saw_data_segment_align_.  Use data_segment_align_start_ rather
3049         than data_segment_align_index_.
3050         (Script_sections::place_orphan): Rewrite to use
3051         Orphan_section_placement.
3052
3053 2009-03-17  Ian Lance Taylor  <iant@google.com>
3054
3055         * archive.cc (Archive::add_symbols): Check for a version attached
3056         to the symbol name in the archive map.
3057         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
3058         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
3059         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
3060         (ver_test_11.a): New target.
3061         * testsuite/Makefile.in: Rebuild.
3062
3063         * configure.ac: Check for chsize and posix_fallocate.  Replace
3064         ftruncate.
3065         * ftruncate.c: New file, from gnulib.
3066         * output.cc (posix_fallocate): Define dummy version if not
3067         HAVE_POSIX_FALLOCATE.
3068         (Output_file::map): Call posix_fallocate rather than lseek and
3069         write.
3070         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
3071         * configure, Makefile.in, config.in: Rebuild.
3072
3073 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
3074
3075         * layout.h (Layout::create_note): Add section_name parameter.
3076         * layout.cc (Layout::create_note): Likewise.
3077         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
3078
3079 2009-03-17  Ian Lance Taylor  <iant@google.com>
3080
3081         * descriptors.cc: Include "options.h".
3082         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
3083         (Descriptors::open): Always use O_CLOEXEC when opening a new
3084         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
3085         then set FD_CLOEXEC.
3086
3087         * sparc.cc (class Target_sparc): Add has_got_section.
3088         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
3089         make sure we have a GOT section.
3090
3091         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
3092         (Target_sparc::Scan::local): Likewise.
3093         (Target_sparc::Scan::global): Likewise.
3094         (Target_sparc::Relocate::relocate): Likewise.
3095         (Target_sparc::Relocate::relocate_tls): Likewise.
3096
3097         * symtab.cc (Symbol_table::define_default_version): New function,
3098         broken out of add_from_object.
3099         (Symbol_table::add_from_object): Call define_default_version.
3100         (Symbol_table::define_special_symbol): Add resolve_oldsym
3101         parameter.  Change all callers.  If the version for a symbol comes
3102         from a version script, resolve it with the symbol with the same
3103         name with no version.  Also add the symbol without a version if
3104         appropriate.
3105         (do_define_in_output_data): If resolving with oldsym, don't delete
3106         sym.
3107         (do_define_in_output_segment): Likewise.
3108         (do_define_as_constant): Likewise.
3109         * symtab.h (class Symbol_table): Update declarations.
3110
3111 2009-03-13  Ian Lance Taylor  <iant@google.com>
3112
3113         * readsyms.cc (Read_symbols::incompatible_warning): New function.
3114         (Read_symbols::requeue): New function.
3115         (Read_symbols::do_read_symbols): If make_elf_object fails because
3116         the target type is not configured, and the file was searched for,
3117         issue a warning and retry with the next directory.
3118         (Add_symbols::run): If the file has an incompatible format, and
3119         it was searched for, requeue the Read_symbols task.  On error,
3120         release the object.
3121         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
3122         dirindex parameter to constructor.  Change all callers.  Declare
3123         incompatible_warning and requeue.
3124         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
3125         input_argument_ and input_group_ fields.  Add them to
3126         constructor.  Change all callers.
3127         (class Read_script): Add dirindex_ field.  Add it to constructor.
3128         Change all callers.
3129         * archive.cc (Archive::setup): Remove input_objects parameter.
3130         Change all callers.
3131         (Archive::get_file_and_offset): Likewise.
3132         (Archive::read_all_symbols): Likewise.
3133         (Archive::read_symbols): Likewise.
3134         (Archive::get_elf_object_for_member): Remove input_objects
3135         parameter.  Add punconfigured parameter.  Change all callers.
3136         (Archive::add_symbols): Change return type to bool.  Check return
3137         value of include_member.
3138         (Archive::include_all_members): Likewise.
3139         (Archive::include_member): Change return type to bool.  Return
3140         false if first included object has incompatible target.  Set
3141         included_member_ field.
3142         (Add_archive_symbols::run): If add_symbols returns false, requeue
3143         Read_symbols task.
3144         * archive.h (class Archive): Add included_member_ field.
3145         Initialize it in constructor.  Add input_file and searched_for
3146         methods.  Update declarations.
3147         (class Add_archive_symbols): Add dirpath_, dirindex_, and
3148         input_argument_ fields.  Add them to constructor.  Change all
3149         callers.
3150         * script.cc: Include "target-select.h".
3151         (class Parser_closure): Add skip_on_incompatible_target_ and
3152         found_incompatible_target_ fields.  Add
3153         skip_on_incompatible_target parameter to constructor.  Change all
3154         callers.  Add methods skip_on_incompatible_target,
3155         clear_skip_on_incompatible_target, found_incompatible_target, and
3156         set_found_incompatible_target.
3157         (read_input_script): Add dirindex parameter.  Change all callers.
3158         If parser finds an incompatible target, requeue Read_symbols
3159         task.
3160         (script_set_symbol): Clear skip_on_incompatible_target in
3161         closure.
3162         (script_add_assertion, script_parse_option): Likewise.
3163         (script_start_sections, script_add_phdr): Likewise.
3164         (script_check_output_format): New function.
3165         * script.h (read_input_script): Update declaration.
3166         * script-c.h (script_check_output_format): Declare.
3167         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
3168         (ignore_cmd): Remove OUTPUT_FORMAT.
3169         * fileread.cc (Input_file::Input_file): Add explicit this.
3170         (Input_file::will_search_for): New function.
3171         (Input_file::open): Add pindex parameter.  Change all callers.
3172         * fileread.h (class Input_file): Add input_file_argument method.
3173         Declare will_search_for.  Update declarations.
3174         * object.cc (make_elf_object): Add punconfigured parameter.
3175         Change all callers.
3176         * object.h (class Object): Make input_file public.  Add
3177         searched_for method.
3178         (make_elf_object): Update declaration.
3179         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
3180         restart search.
3181         * dirsearch.h (class Dirsearch): Update declaration.
3182         * options.h (class General_options): Add --warn-search-mismatch.
3183         * parameters.cc (Parameters::is_compatible_target): New function.
3184         * parameters.h (class Parameters): Declare is_compatible_target.
3185         * workqueue.cc (Workqueue::add_blocker): New function.
3186         * workqueue.h (class Workqueue): Declare add_blocker.
3187
3188         * fileread.cc (Input_file::open): Remove options parameter.
3189         Change all callers.
3190         (Input_file::open_binary): Likewise.
3191         * script.cc (read_input_script): Likewise.
3192         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
3193         options parameter from constructor.  Change all callers.
3194         (class Read_script): Likewise.
3195         * fileread.h (class Input_file): Update declarations.
3196         * script.h (read_input_script): Update declaration.
3197
3198 2009-03-10  Nick Clifton  <nickc@redhat.com>
3199
3200         * po/es.po: New Spanish translation.
3201
3202 2009-03-06  Cary Coutant  <ccoutant@google.com>
3203
3204         * options.cc (parse_short_option): Keep dash_z from registering itself.
3205
3206 2009-03-03  Ian Lance Taylor  <iant@google.com>
3207
3208         PR 9918
3209         * target-reloc.h (relocate_section): Pass output_section to
3210         relocate.
3211         * i386.cc (Target_i386::should_apply_static_reloc): Add
3212         output_section parameter.  Change all callers.
3213         (Target_i386::Relocate::relocate): Add output_section parameter.
3214         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3215         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
3216         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
3217         * testsuite/two_file_shared.sh: New script.
3218         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
3219         (check_DATA): Add two_file_shared.dbg.
3220         (two_file_shared.dbg): New target.
3221         * testsuite/Makefile.in: Rebuild.
3222
3223 2009-03-01  Ian Lance Taylor  <iant@google.com>
3224
3225         * configure.ac: Check for byteswap.h.
3226         * configure: Rebuild.
3227         * config.in: Rebuild.
3228
3229 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
3230
3231         * layout.cc (Layout::find_or_add_kept_section): New function.
3232         (Layout::add_comdat): Removed.
3233         * layout.h (struct Kept_section): Move out of class Layout.
3234         Remove trailing underscores from field names.  Add group_sections
3235         field.  Rename group_ field to is_group.  Change all uses.
3236         (class Layout): Declare find_or_add_kept_section, not add_comdat.
3237         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
3238         comdat_groups_ field.
3239         (Sized_relobj::include_section_group): Use
3240         find_or_add_kept_section and Kept_section::group_sections.
3241         (Sized_relobj::include_linkonce_section): Likewise.
3242         * object.cc (class Sized_relobj): Don't define Comdat_group or
3243         Comdat_group_table.  Remove find_comdat_group and
3244         add_comdat_group.  Remove comdat_groups_ field.
3245         * plugin.cc (include_comdat_group): Use
3246         Layout::find_or_add_kept_section.
3247
3248 2009-02-28  Ian Lance Taylor  <iant@google.com>
3249
3250         * README: --gc-sections and map files are now supported.  Document
3251         some build requirements.
3252
3253         PR 6992
3254         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
3255         relocatable link set the value of the section symbol to zero.
3256         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
3257         relocatable link don't include the section address in the local
3258         symbol value.
3259
3260 2009-02-27  Ian Lance Taylor  <iant@google.com>
3261
3262         PR 6811
3263         * options.h (class Search_directory): Add is_system_directory.
3264         (class General_options): Declare is_in_system_directory.
3265         * options.cc (get_relative_sysroot): Make static.
3266         (get_default_sysroot): Make static.
3267         (General_optoins::is_in_system_directory): New function.
3268         * fileread.cc (Input_file::is_in_system_directory): New function.
3269         * fileread.h (class Input_file): Declare is_in_system_directory.
3270         * object.h (class Object): Add is_in_system_directory.
3271         (class Input_objects): Remove system_library_directory_ field.
3272         * object.cc (Input_objects::add_object): Don't set
3273         system_library_directory_.
3274         (input_objects::found_in_system_library_directory): Remove.
3275         * symtab.cc (Symbol_table::write_globals): Remove input_objects
3276         parameter.  Change all callers.
3277         (Symbol_table::sized_write_globals): Likewise.
3278         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
3279         Call Object::is_in_system_directory.
3280         * symtab.h (class Symbol_table): Update declarations.
3281
3282         PR 5990
3283         * descriptors.h (Open_descriptor): Add is_on_stack field.
3284         * descriptors.cc (Descriptors::open): If the descriptor is on the
3285         top of the stack, remove it.  Initialize is_on_stack field.
3286         (Descriptors::release): Only add pod to stack if it is not on the
3287         stack already.
3288         (Descriptors::close_some_descriptor): Clear stack_next and
3289         is_on_stack fields.
3290
3291         PR 7091
3292         * output.cc (Output_section::find_starting_output_address): Rename
3293         from starting_output_address; add PADDR parameter; change return
3294         type.
3295         * output.h (class Output_section): Declare
3296         find_starting_output_address instead of starting_output_address.
3297         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
3298         section symbol for which we can't find a merge section.
3299
3300         PR 9836
3301         * symtab.cc (Symbol_table::add_from_object): If the visibility is
3302         hidden or internal, force the symbol to be local.
3303         * resolve.cc (Symbol::override_visibility): Define.
3304         (Symbol::override_base): Use override_visibility.
3305         (Symbol_table::resolve): Likewise.
3306         (Symbol::override_base_with_special): Likewise.
3307         (Symbol_table::override_with_special): If the visibility is hidden
3308         or internal, force the symbol to be local.
3309         * symtab.h (class Symbol): Add set_visibility and
3310         override_visibility.
3311         * testsuite/ver_test_1.sh: New file.
3312         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
3313         (check_DATA): Add ver_test_1.syms.
3314         (ver_test_1.syms): New target.
3315         * testsuite/Makefile.in: Rebuild.
3316
3317 2009-02-25  Cary Coutant  <ccoutant@google.com>
3318
3319         * layout.cc (Layout::choose_output_section): Don't rename sections
3320         when using a linker script that has a SECTIONS clause.
3321         * Makefile.in: Regenerate.
3322
3323         * testsuite/Makefile.am (script_test_5.sh): New test case.
3324         * testsuite/Makefile.in: Regenerate.
3325         * testsuite/script_test_5.cc: New file.
3326         * testsuite/script_test_5.sh: New file.
3327         * testsuite/script_test_5.t: New file.
3328
3329 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
3330
3331         * archive.cc (Archive::include_member): Update calls to add_symbols.
3332         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
3333         the Layout argument.
3334         * dynobj.h (do_add_symbols): Add the Layout argument.
3335         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
3336         Layout argument.
3337         * object.h (Object::add_symbols): Add the Layout argument.
3338         (Object::do_add_symbols): Add the Layout argument.
3339         (Sized_relobj::do_add_symbols): Add the Layout argument.
3340         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
3341         Unify the two versions.
3342         (Add_plugin_symbols): Remove.
3343         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
3344         (Sized_pluginobj::do_add_symbols): Unify the two versions.
3345         (Add_plugin_symbols): Remove.
3346         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
3347         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
3348         (Add_symbols::run): Make it work with Pulginobj.
3349
3350 2009-02-06  Ian Lance Taylor  <iant@google.com>
3351
3352         * object.cc (Sized_relobj::do_layout): Make info message start
3353         with lower case letter.
3354
3355 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
3356
3357         * binary.cc: Fix file comment.
3358
3359         * options.h (enum Incremental_disposition): Define.
3360         (class General_options): Add new options: --incremental,
3361         --incremental_changed, --incremental_unchanged,
3362         --incremental_unknown.  Add incremental_disposition_ and
3363         implicit_incremental_ fields.
3364         (General_options::incremental_disposition): New function.
3365         (class Position_dependent_options): Add incremental_disposition
3366         option.
3367         (Position_dependent_options::copy_from_options): Set incremental
3368         dispositions.
3369         * options.cc (General_options::parse_incremental_changed): New
3370         function.
3371         (General_options::parse_incremental_unchanged): New function.
3372         (General_options::parse_incremental_unknown): New function.
3373         (General_options::General_options): Initialize new fields
3374         incremental_disposition_ and implicit_incremental_.
3375         (General_options::finalize): Check for uasge of --incremental-*
3376         without --incremental.
3377
3378 2009-02-06  Chris Demetriou  <cgd@google.com>
3379
3380         * gold.h (gold_undefined_symbol): Change to take only a Symbol
3381         pointer and to report location as the file name associated with
3382         the symbol.
3383         (gold_undefined_symbol_at_location): New function to replace the
3384         old gold_undefined_symbol functionality.
3385         * target-reloc.h (relocate_section): Update to use
3386         gold_undefined_symbol_at_location.
3387         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3388         Call gold_undefined_symbol function rather than gold_error.
3389         * errors.h (Errors::undefined_symbol): Take location as a
3390         string, rather than calculating it from a relocation.
3391         * errors.cc (Errors::fatal): Print "fatal error:" before the
3392         formatted message.
3393         (Errors::error, Errors::error_at_location): Print "error: "
3394         before the formatted message.
3395         (Errors::undefined_symbol): Take location as a string, rather
3396         than calculating it from a relocation.
3397         (gold_undefined_symbol_at_location): New function akin to
3398         old gold_undefined_symbol, calculates location from relocation.
3399         (gold_undefined_symbol): Change to take only a Symbol pointer
3400         and to report location as the file name associated with the symbol.
3401         * testsuite/debug_msg.sh: Update for changed error messages.
3402         * testsuite/undef_symbol.sh: Likewise.
3403
3404 2009-02-04  Duncan Sands  <baldrick@free.fr>
3405
3406         PR 9812
3407         * reduced_debug_output.h
3408         (Output_reduced_debug_abbrev_section::failed): Use format for
3409         gold_warning.
3410         (Output_reduced_debug_info_section::faild): Likewise.
3411
3412 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
3413
3414         * script.cc (Lazy_demangler): New class.
3415         (Version_script_info::get_symbol_version_helper): Demangle a
3416         symbol only once.
3417
3418 2009-01-29  Cary Coutant  <ccoutant@google.com>
3419
3420         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3421         to __tls_get_addr.
3422         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3423
3424 2009-01-28  Ian Lance Taylor  <iant@google.com>
3425
3426         * version.cc (version_string): Bump to 1.9.
3427
3428         * gold.h: Include <cstring> and <stdint.h>.
3429         * version.cc: Include <cstdio>.
3430         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3431         warning.
3432         * reduced_debug_output.cc (insert_into_vector): Rename from
3433         Insert_into_vector; change all callers.  Use Swap_unaligned to
3434         avoid aliasing issue; remove union since it is unnecessary.
3435
3436 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
3437
3438         * Makefile.am (CCFILES): Add gc.cc.
3439         (HFILES): Add gc.h.
3440         * Makefile.in: Regenerate.
3441         * gold.cc (Gc_runner): New class.
3442         (queue_initial_tasks): Call garbage collection related tasks
3443         when corresponding options are invoked.
3444         (queue_middle_gc_tasks): New function.
3445         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3446         processed early before laying out sections during garbage collection.
3447         * gold.h (queue_middle_gc_tasks): New function.
3448         (is_prefix_of): Move from "layout.cc".
3449         * i386.cc (Target_i386::gc_process_relocs): New function.
3450         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3451         * main.cc (main): Create object of class "Garbage_collection".
3452         * object.cc (Relobj::copy_symbols_data): New function.
3453         (Relobj::is_section_name_included): New function.
3454         (Sized_relobj::do_layout): Allow this function to be called twice
3455         during garbage collection and defer layout of section during the
3456         first call.
3457         * object.h (Relobj::get_symbols_data): New function.
3458         (Relobj::is_section_name_included): New function.
3459         (Relobj::copy_symbols_data): New function.
3460         (Relobj::set_symbols_data): New function.
3461         (Relobj::get_relocs_data): New function.
3462         (Relobj::set_relocs_data): New function.
3463         (Relobj::is_output_section_offset_invalid): New pure virtual function.
3464         (Relobj::gc_process_relocs): New function.
3465         (Relobj::do_gc_process_relocs): New pure virtual function.
3466         (Relobj::sd_): New data member.
3467         (Sized_relobj::is_output_section_offset_invalid): New function.
3468         (Sized_relobj::do_gc_process_relocs): New function.
3469         * options.h (General_options::gc_sections): Modify to not be a no-op.
3470         (General_options::print_gc_sections): New option.
3471         * plugin.cc (Plugin_finish::run): Remove function call to
3472         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
3473         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3474         * reloc.cc (Read_relocs::run): Add task to process relocs and
3475         determine unreferenced sections when doing garbage collection.
3476         (Gc_process_relocs): New class.
3477         (Sized_relobj::do_gc_process_relocs): New function.
3478         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3479         sections that are garbage collected.
3480         * reloc.h (Gc_process_relocs): New class.
3481         * sparc.cc (Target_sparc::gc_process_relocs): New function.
3482         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3483         symbols whose corresponding sections are garbage collected.
3484         (Symbol_table::Symbol_table): Add new parameter for the garbage
3485         collection object.
3486         (Symbol_table::gc_mark_undef_symbols): New function.
3487         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3488         (Symbol_table::gc_mark_dyn_syms): New function.
3489         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3490         as garbage.
3491         (Symbol_table::add_from_object): Likewise.
3492         (Symbol_table::add_from_relobj): When building shared objects, do not
3493         treat externally visible symbols as garbage.
3494         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3495         table information for static and relocatable links.
3496         * symtab.h (Symbol_table::set_gc): New function.
3497         (Symbol_table::gc): New function.
3498         (Symbol_table::gc_mark_undef_symbols): New function.
3499         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3500         (Symbol_table::gc_mark_dyn_syms): New function.
3501         (Symbol_table::gc_): New data member.
3502         * target.h (Sized_target::gc_process_relocs): New pure virtual
3503         function.
3504         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3505         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3506
3507 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
3508
3509         * options.h (General_options::gc_sections): Define as a no-op for now.
3510         (General_options::no_keep_memory): Ditto.
3511         (General_options::Bshareable): Define.
3512         * options.cc (General_options::finalize): Honor -Bshareable.
3513
3514 2009-01-20  Andreas Schwab  <schwab@suse.de>
3515
3516         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3517         read the value in the contents, since we don't use it.  Use the
3518         template endianness when writing.
3519         (Relocate::relocate): Use it for R_PPC_REL16_HA.
3520
3521 2009-01-19  Andreas Schwab  <schwab@suse.de>
3522
3523         * configure.tgt (powerpc64-*): Fix targ_obj.
3524
3525 2009-01-15  Ian Lance Taylor  <iant@google.com>
3526
3527         * object.cc (Sized_relobj::write_local_symbols): Don't write out
3528         local symbols when stripping all symbols.
3529
3530 2009-01-14  Cary Coutant  <ccoutant@google.com>
3531
3532         * output.cc (Output_reloc): Add explicit instantiations.
3533
3534 2009-01-14  Cary Coutant  <ccoutant@google.com>
3535
3536         * archive.cc (Archive::get_elf_object_for_member): Remove call
3537         to File_read::claim_for_plugin.
3538         * descriptors.cc (Descriptors::open): Remove reference to
3539         is_claimed.
3540         (Descriptors::claim_for_plugin): Remove.
3541         * descriptors.h (Descriptors::claim_for_plugin): Remove.
3542         (Descriptors::is_claimed): Remove.
3543         (claim_descriptor_for_plugin): Remove.
3544         * fileread.cc (File_read::claim_for_plugin): Remove.
3545         * fileread.h (File_read::claim_for_plugin): Remove.
3546         (File_read::descriptor): Reopen descriptor if necessary.
3547         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
3548         (Plugin_manager::all_symbols_read): Add task parameter. Change
3549         all callers.
3550         (Plugin_manager::get_input_file): New function.
3551         (Plugin_manager::release_input_file): New function.
3552         (Pluginobj::Pluginobj): Add filesize parameter and initialize
3553         corresponding data member.
3554         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
3555         and pass to base constructor. Change all callers.
3556         (get_input_file, release_input_file): New functions.
3557         (make_sized_plugin_object): Add filesize parameter. Change all callers.
3558         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
3559         (Plugin_manager::all_symbols_read): Add task parameter.
3560         (Plugin_manager::get_input_file): New function.
3561         (Plugin_manager::release_input_file): New function.
3562         (Plugin_manager::task_): New data member.
3563         (Pluginobj::Pluginobj): Add filesize parameter.
3564         (Pluginobj::filename): New function.
3565         (Pluginobj::descriptor): New function.
3566         (Pluginobj::filesize): New function.
3567         (Pluginobj::filesize_): New data member.
3568         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
3569         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
3570         File_read::claim_for_plugin; use Object::unlock to unlock the file.
3571
3572         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
3573         with archive libraries.
3574         * testsuite/Makefile.in: Regenerate.
3575         * testsuite/plugin_test.c (struct sym_info): New type.
3576         (get_input_file, release_input_file): New static variables.
3577         (onload): Capture new transfer vector entries.
3578         (claim_file_hook): Stop reading at end of file according to filesize.
3579         Factor out parsing of readelf output into separate function.
3580         (all_symbols_read_hook): Exercise get_input_file and release_input_file
3581         APIs and get the source file name from the symbol table.  Convert
3582         source file name to corresponding object file name.  Print info
3583         message when adding new input files.
3584         (parse_readelf_line): New function.
3585         * testsuite/plugin_test_1.sh: Add checks for new info messages.
3586         * testsuite/plugin_test_2.sh: Likewise.
3587         * testsuite/plugin_test_3.sh: Likewise.
3588         * testsuite/plugin_test_4.sh: New test case.
3589
3590 2009-01-07  Ian Lance Taylor  <iant@google.com>
3591
3592         * version.cc (version_string): Bump to 1.8.
3593
3594 2008-12-23  Cary Coutant  <ccoutant@google.com>
3595
3596         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
3597         * plugin.cc (Plugin_manager::finish): Rename as
3598         layout_deferred_objects.  Move cleanup to separate function.
3599         (Plugin_manager::cleanup): New function.
3600         (Plugin_finish::run): Call layout_deferred_objects and cleanup
3601         separately.
3602         * plugin.h (Plugin_manager::finish): Rename as
3603         layout_deferred_objects.
3604         (Plugin_manager::cleanup): New function.
3605         (Plugin_manager::cleanup_done): New field.
3606
3607 2008-12-23  Cary Coutant  <ccoutant@google.com>
3608
3609         * plugin.cc (is_visible_from_outside): New function.
3610         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
3611         so we don't return "IR only" status for exported symbols or -r links.
3612
3613         * testsuite/Makefile.am (plugin_test_3): New test case.
3614         * testsuite/Makefile.in: Regenerate.
3615         * testsuite/plugin_test_3.sh: New file.
3616
3617 2008-12-22  Cary Coutant  <ccoutant@google.com>
3618
3619         * object.cc (Sized_relobj::layout_section): New function.
3620         (Sized_relobj::do_layout): Defer layout of input sections until after
3621         plugin has provided replacement files.
3622         (Sized_relobj::do_layout_deferred_sections): New function.
3623         * object.h (Relobj::set_section_offset): Remove virtual keyword.
3624         (Relobj::layout_deferred_sections): New function.
3625         (Relobj::do_layout_deferred_sections): New function.
3626         (Sized_relobj::do_layout_deferred_sections): New function.
3627         (Sized_relobj::layout_section): New function.
3628         (Sized_relobj::Deferred_layout): New structure.
3629         (Sized_relobj::deferred_layout_): New field.
3630         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
3631         Change all callers.  Layout deferred sections.
3632         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
3633         references.
3634         (Plugin_hook::run): Move code from do_plugin_hook inline.
3635         (Plugin_hook::do_plugin_hook): Remove.
3636         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
3637         (Plugin_manager::finish): Renamed, was cleanup.
3638         (Plugin_manager::should_defer_layout): New function.
3639         (Plugin_manager::add_deferred_layout_object): New function.
3640         (Plugin_manager::Deferred_layout_list): New type.
3641         (Plugin_manager::deferred_layout_objects_): New field.
3642         (Plugin_hook::do_plugin_hook): Remove.
3643
3644 2008-12-17  Ian Lance Taylor  <iant@google.com>
3645
3646         * options.h (class General_options): Add --no case for
3647         --export-dynamic.
3648
3649 2008-12-16  Cary Coutant  <ccoutant@google.com>
3650
3651         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3652         vector.
3653         (Plugin_manager::claim_file): Create plugin object even if
3654         plugin did not call the add_symbols callback.
3655         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3656         asking for more symbols than were added.
3657         * testsuite/Makefile.am (plugin_test_1): Add test case with
3658         no global symbols.
3659         (empty.syms): New target.
3660         * testsuite/Makefile.in: Regenerate.
3661         * testsuite/plugin_test.c (claim_file_hook): Add new debug
3662         message. Don't call add_symbols if no globals.
3663         (all_symbols_read_hook): Don't provide replacement for empty
3664         claimed file.
3665
3666 2008-12-12  Ian Lance Taylor  <iant@google.com>
3667
3668         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3669         r_type == 0 for a local symbol with r_sym == 0.
3670         (scan_relocatable_relocs): Pass r_sym to
3671         local_non_section_strategy.
3672         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3673         r_sym parameter.
3674
3675         * configure.ac: Update test for TLS descriptors: they are
3676         supported as of glibc 2.9.
3677         * configure: Rebuild.
3678
3679 2008-12-11  Ian Lance Taylor  <iant@google.com>
3680
3681         PR 7091
3682         * target-reloc.h (Default_scan_relocatable_relocs): For each
3683         function, map r_type == 0 to RELOC_DISCARD.
3684
3685 2008-12-10  Cary Coutant  <ccoutant@google.com>
3686
3687         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3688         object to override a kept COMDAT group from a plugin object.
3689
3690 2008-12-09  Ian Lance Taylor  <iant@google.com>
3691
3692         PR 7088
3693         * yyscript.y (file_cmd): Handle INPUT.
3694
3695         * testsuite/initpri1.c: Change all declarations to be full
3696         prototypes by adding void, to avoid compiler warnings.
3697
3698 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
3699
3700         * options.cc (General_options::parse_plugin_opt): New.
3701         (General_options::add_plugin): The argument now is just the filename.
3702         (General_options::add_plugin_option): New.
3703         * options.h (plugin_opt): New.
3704         (add_plugin): Change argument name.
3705         (add_plugin_option): New.
3706         * plugin.cc (Plugin::load): Don't parse the plugin option.
3707         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3708         (Plugin::add_option): New.
3709         (Plugin::args_): Change type.
3710         (Plugin::filename_): New.
3711         (Plugin_manager::add_plugin_option): New.
3712         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3713         * testsuite/Makefile.in: Regenerate.
3714
3715 2008-12-05  Cary Coutant  <ccoutant@google.com>
3716
3717         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3718         Handle --strip-lto-sections option.
3719         * options.h (strip_lto_sections): New option.
3720
3721 2008-12-01  Cary Coutant  <ccoutant@google.com>
3722
3723         * plugin.cc (ld_plugin_message): Change format parameter to const.
3724         Fix mismatch between new[] and delete.
3725
3726 2008-11-14  Cary Coutant  <ccoutant@google.com>
3727
3728         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3729         instead of -1U.
3730
3731 2008-11-05  Craig Silverstein  <csilvers@google.com>
3732
3733         * options.cc (General_options::parse_dynamic_list): New function.
3734         * options.h (General_options): New flags dynamic_list,
3735         dynamic_list_data, dynamic_list_cpp_new, and
3736         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
3737         (General_options::in_dynamic_list): New function.
3738         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3739         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3740         (Lex::can_continue_name): Likewise.
3741         (yylex): Likewise.
3742         (read_script_file): New parameter script_options.
3743         (read_dynamic_list): New function.
3744         (Script_options::define_dynamic_list): New function.
3745         (dynamic_list_keyword_parsecodes): New variable.
3746         (dynamic_list_keywords): New variable.
3747         * script.h (Script_options::define_dynamic_list): New function
3748         prototype.
3749         (read_dynamic_list): New function prototype.
3750         * symtab.cc (strprefix): New macro.
3751         (Symbol::should_add_dynsym_entry): Support dynamic_list,
3752         dynamic_list_data, dynamic_list_cpp_new, and
3753         dynamic_list_cpp_typeinfo.
3754         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3755         (dynamic_list_expr): New rule.
3756         (dynamic_list_nodes): Likewise.
3757         (dynamic_list_node): Likewise.
3758         * testsuite/Makefile.am (dynamic_list): New test.
3759         * testsuite/Makefile.in: Regenerated.
3760         * testsuite/dynamic_list.t: New file.
3761         * testsuite/dynamic_list.sh: New file.
3762
3763 2008-11-05  Craig Silverstein  <csilvers@google.com>
3764
3765         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3766         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3767         (t11_last): Likewise.
3768         * testsuite/ver_test_6.c (main): Likewise.
3769
3770 2008-10-07  Cary Coutant  <ccoutant@google.com>
3771
3772         * options.c (General_options::finalize): Add check for -static and
3773         -shared.
3774         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3775         is not empty.
3776
3777 2008-10-02  Cary Coutant  <ccoutant@google.com>
3778
3779         * plugin.cc (make_sized_plugin_object): Fix conditional
3780         compilation to work when not all targets are enabled.
3781
3782 2008-09-29  Cary Coutant  <ccoutant@google.com>
3783
3784         * archive.cc (Archive::get_file_and_offset): Use filename instead
3785         of name to get library path.
3786         (Archive::include_member): Unlock external member of a thin archive.
3787
3788         * testsuite/Makefile.am (TEST_AR): New variable.
3789         (thin_archive_test_1): New test.
3790         (thin_archive_test_2): New test.
3791         * testsuite/Makefile.in: Regenerate.
3792         * testsuite/thin_archive_main.cc: New file.
3793         * testsuite/thin_archive_test_1.cc: New file.
3794         * testsuite/thin_archive_test_2.cc: New file.
3795         * testsuite/thin_archive_test_3.cc: New file.
3796         * testsuite/thin_archive_test_4.cc: New file.
3797
3798 2008-09-29  Cary Coutant  <ccoutant@google.com>
3799
3800         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3801         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3802         instead of -1U.
3803         (Sized_relobj::do_finalize_local_symbols): Likewise.
3804         (Sized_relobj::map_to_kept_section): Likewise.
3805         * object.h (Sized_relobj::invalid_address): New constant.
3806         (Sized_relobj::do_output_section_offset): Check for invalid_address
3807         and return -1ULL.
3808         * output.cc (Output_reloc::local_section_offset): Use constant
3809         invalid_address instead of -1U.
3810         (Output_reloc::get_address): Likewise.
3811         (Output_section::output_address): Change -1U to -1ULL.
3812         * output.h (Output_reloc::invalid_address): New constant.
3813         * reloc.cc (Sized_relobj::write_sections): Use constant
3814         invalid_address instead of -1U.
3815         (Sized_relobj::relocate_sections): Likewise.
3816         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3817         values for merge sections.
3818         * target-reloc.h (relocate_for_relocatable): Use constant
3819         invalid_address instead of -1U.
3820
3821 2008-09-19  Cary Coutant  <ccoutant@google.com>
3822
3823         Add plugin functionality for link-time optimization (LTO).
3824         * configure.ac (plugins): Add --enable-plugins option.
3825         * configure: Regenerate.
3826         * config.in: Regenerate.
3827         * Makefile.am (LIBDL): New variable.
3828         (CCFILES): Add plugin.cc.
3829         (HFILES): Add plugin.h.
3830         (ldadd_var): Add LIBDL.
3831         * Makefile.in: Regenerate.
3832
3833         * archive.cc: Include "plugin.h".
3834         (Archive::setup): Don't preread archive symbols when using a plugin.
3835         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
3836         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3837         files.
3838         (Archive::include_member): Add symbols from plugin objects.
3839         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3840         * descriptors.cc (Descriptors::open): Check for file descriptors
3841         abandoned by plugins.
3842         (Descriptors::claim_for_plugin): New function.
3843         * descriptors.h (Descriptors::claim_for_plugin): New function.
3844         (Open_descriptor::is_claimed): New field.
3845         (claim_descriptor_for_plugin): New function.
3846         * fileread.cc (File_read::claim_for_plugin): New function.
3847         * fileread.h (File_read::claim_for_plugin): New function.
3848         (File_read::descriptor): New function.
3849         * gold.cc: Include "plugin.h".
3850         (queue_initial_tasks): Add task to call plugin hooks for generating
3851         new object files.
3852         * main.cc: Include "plugin.h".
3853         (main): Load plugin libraries.
3854         * object.h (Pluginobj): Declare.
3855         (Object::pluginobj): New function.
3856         (Object::do_pluginobj): New function.
3857         (Object::set_target): New function.
3858         * options.cc: Include "plugin.h".
3859         (General_options::parse_plugin): New function.
3860         (General_options::General_options): Initialize plugins_ field.
3861         (General_options::add_plugin): New function.
3862         * options.h (Plugin_manager): Declare.
3863         (General_options): Add --plugin option.
3864         (General_options::has_plugins): New function.
3865         (General_options::plugins): New function.
3866         (General_options::add_plugin): New function.
3867         (General_options::plugins_): New field.
3868         * plugin.cc: New file.
3869         * plugin.h: New file.
3870         * readsyms.cc: Include "plugin.h".
3871         (Read_symbols::do_read_symbols): Check for archive before checking
3872         for ELF file.  Call plugin hooks to claim files.
3873         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3874         from a real object file; force override when processing replacement
3875         files.
3876         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3877         (Symbol::init_base_object): Likewise.
3878         (Symbol::init_base_output_data): Likewise.
3879         (Symbol::init_base_output_segment): Likewise.
3880         (Symbol::init_base_constant): Likewise.
3881         (Symbol::init_base_undefined): Likewise.
3882         (Symbol::output_section): Assert that object is not a plugin.
3883         (Symbol_table::add_from_pluginobj): New function.
3884         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3885         undefined.
3886         (Symbol_table::sized_write_globals): Likewise.
3887         (Symbol_table::add_from_pluginobj): Instantiate template.
3888         * symtab.h (Sized_pluginobj): Declare.
3889         (Symbol::in_real_elf): New function.
3890         (Symbol::set_in_real_elf): New function.
3891         (Symbol::in_real_elf_): New field.
3892         (Symbol_table::add_from_pluginobj): New function.
3893
3894         * testsuite/Makefile.am (AM_CFLAGS): New variable.
3895         (LIBDL): New variable.
3896         (LDADD): Add LIBDL.
3897         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3898         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3899         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3900         (MOSTLYCLEANFILES): Likewise.
3901         * testsuite/Makefile.in: Regenerate.
3902         * testsuite/plugin_test.c: New file.
3903         * testsuite/plugin_test_1.sh: New file.
3904         * testsuite/plugin_test_2.sh: New file.
3905
3906 2008-09-16  Ian Lance Taylor  <iant@google.com>
3907
3908         * target-reloc.h (relocate_section): Check whether a symbol is
3909         defined by the ABI before reporting an undefined symbol error.
3910         * target.h (Target::is_defined_by_abi): Make parameter const.
3911         (Target::do_is_defined_by_abi): Likewise.
3912         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3913         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3914         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3915         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3916         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3917         * testsuite/Makefile.in: Rebuild.
3918
3919         * fileread.cc (make_view): Add casts to avoid warning.
3920
3921 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3922
3923         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3924         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3925
3926 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3927
3928         * options.h (General_options::output_is_executable): New.
3929         (General_options::output_is_pie): New.
3930         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3931         for shared libraries.
3932         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3933
3934 2008-09-11  Chris Demetriou  <cgd@google.com>
3935
3936         * options.h (origin): New -z option.
3937         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3938         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3939         in DT_FLAGS_1.
3940
3941 2008-09-05  Cary Coutant  <ccoutant@google.com>
3942
3943         * fileread.cc (File_read::make_view): Add check for attempt to map
3944         beyond end of file.
3945
3946 2008-09-05  Cary Coutant  <ccoutant@google.com>
3947
3948         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3949         explicit instantiations.
3950
3951 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
3952
3953         PR gold/6858
3954         * options.cc (General_options::finalize): Allow undefined symbols
3955         in shlibs if linking -shared.
3956
3957         PR gold/6859
3958         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3959         symbols as not needing a dynsym entry.
3960
3961 2008-08-20  Craig Silverstein  <csilvers@google.com>
3962
3963         * fileread.cc (File_read::open): Do not lock the file unless it
3964         was successfully opened.
3965
3966 2008-08-14  Cary Coutant  <ccoutant@google.com>
3967
3968         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3969         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3970         * testsuite/tls_test.cc (struct int128): 128-bit struct
3971         for testing TLS relocs with non-zero addend.
3972         (v12): New TLS variable.
3973         (t12): New test.
3974         (t_last): Add check for v12.
3975         * testsuite/tls_test.h (t12): New function.
3976         * testsuite/tls_test_main.cc (thread_routine): Call new test.
3977
3978 2008-08-13  Ian Lance Taylor  <iant@google.com>
3979
3980         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3981         set tls_segment_ or relro_segment_.
3982         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3983         when appropriate.
3984         * output.h (Output_section::clear_is_relro): New function.
3985         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3986         sections specially even when output_data_ is empty.
3987         (Output_segment::maximum_alignment): When first section is relro,
3988         only force alignment for PT_LOAD segments.
3989         * script.cc (script_data_segment_align): New function.
3990         (script_data_segment_relro_end): New function.
3991         * script-c.h (script_data_segment_align): Declare.
3992         (script_data_segment_relro_end): Declare.
3993         * script-sections.h (class Script_sections): Declare
3994         data_segment_align and data_segment_relro_end.  Add fields
3995         segment_align_index_ and saw_relro_end_.
3996         * script-sections.cc (class Sections_element): Add set_is_relro
3997         virtual function.  Add new bool* parameter to place_orphan_here.
3998         Add get_output_section virtual function.
3999         (class Output_section_definition): Add set_is_relro.  Add new
4000         bool* parameter to place_orphan_here.  Add get_output_section.
4001         Add is_relro_ field.
4002         (Output_section_definition::Output_section_definition): Initialize
4003         evaluated_address_, evaluated_load_address, evaluated_addralign_,
4004         and is_relro_ fields.
4005         (Output_section_definition::place_orphan_here): Add is_relro
4006         parameter.
4007         (Output_section_definition::set_section_addresses): Set relro for
4008         output section.
4009         (Output_section_definition::alternate_constraint): Likewise.
4010         (class Orphan_output_section): Add new bool* parameter to
4011         place_orphan_here.  Add get_output_section.
4012         (Orphan_output_section::place_orphan_here): Add is_relro
4013         parameter.
4014         (Script_sections::Script_sections): Initialize
4015         data_segment_align_index_ and saw_relro_end_.
4016         (Script_sections::data_segment_align): New function.
4017         (Script_sections::data_segment_relro_end): New function.
4018         (Script_sections::place_orphan): Set or clear is_relro.
4019         (Script_sections::set_section_addresses): Force alignment of first
4020         TLS section.
4021         * yyscript.y (exp): Call script_data_segment_align and
4022         script_data_segment_relro_end.
4023         * testsuite/relro_script_test.t: New file.
4024         * testsuite/relro_test.cc (using_script): Declare.
4025         (t1, t2): Test using_script.
4026         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
4027         (relro_script_test_SOURCES): Define.
4028         (relro_script_test_DEPENDENCIES): Define.
4029         (relro_script_test_LDFLAGS): Define.
4030         (relro_script_test_LDADD): Define.
4031         (relro_script_test.so): New target.
4032         * testsuite/Makefile.in: Rebuild.
4033
4034 2008-08-06  Cary Coutant <ccoutant@google.com>
4035
4036         * archive.cc (Archive::total_archives, Archive::total_members)
4037         (Archive::total_members_loaded): New variables.
4038         (Archive::setup): Add parameter.  Add option to preread
4039         archive symbols.
4040         (Archive::read_armap): Add counter.
4041         (Archive::get_file_and_offset): New function.
4042         (Archive::get_elf_object_for_member): New function.
4043         (Archive::read_all_symbols): New function.
4044         (Archive::read_symbols): New function.
4045         (Archive::add_symbols): Add counters.
4046         (Archive::include_all_members): Use armap to find members if it's
4047         already built.
4048         (Archive::include_member): Skip reading symbols if already read.
4049         Factored code into Archive::get_file_and_offset and
4050         Archive::get_elf_object_for_member.  Changed call to
4051         Mapfile::report_include_archive_member.
4052         (Archive::print_stats): New function.
4053         * archive.h: Declare Object and Read_symbols_data classes.
4054         (Archive::Archive): Add initializers for new members.
4055         (Archive::setup): Add parameter.
4056         (Archive::print_stats): New function.
4057         (Archive::total_archives, Archive::total_members)
4058         (Archive::total_members_loaded): New variables.
4059         (Archive::get_file_and_offset): New function.
4060         (Archive::get_elf_object_for_member): New function.
4061         (Archive::read_all_symbols): New function.
4062         (Archive::read_symbols): New function.
4063         (Archive::Archive_member): New class.
4064         (Archive::members_): New member.
4065         (Archive::num_members_): New member.
4066         * main.cc: Include archive.h.
4067         (main): Call Archive::print_stats.
4068         * mapfile.cc (Mapfile::report_include_archive_member): Delete
4069         archive parameter; member_name is now the fully-decorated name.
4070         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
4071         * options.h: (General_options): Add --preread-archive-symbols option.
4072         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
4073         Archive::setup.
4074
4075 2008-08-04  Ian Lance Taylor  <iant@google.com>
4076
4077         * symtab.h (Symbol::use_plt_offset): New function.
4078         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
4079         * powerpc.cc (Relocate::relocate): Likewise.
4080         * sparc.cc (Relocate::relocate): Likewise.
4081         * x86_64.cc (Relocate::relocate): Likewise.
4082         * testsuite/weak_plt.sh: New test.
4083         * testsuite/weak_plt_main.cc: New test.
4084         * testsuite/weak_plt_shared.cc: New test.
4085         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
4086         (check_PROGRAMS): Add weak_plt.
4087         (check_DATA): Add weak_plt_shared.so.
4088         (weak_plt_main_pic.o, weak_plt): New targets.
4089         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
4090         * testsuite/Makefile.in: Rebuild.
4091
4092         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
4093         gcctestdir/ld.
4094         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
4095         * testsuite/Makefile.in: Rebuild.
4096
4097 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
4098
4099         * Makefile.am (POTFILES.in): Set LC_ALL=C.
4100         * Makefile.in: Regenerate.
4101         * po/POTFILES.in: Regenerate.
4102
4103 2008-07-29  Ian Lance Taylor  <iant@google.com>
4104
4105         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
4106         symbols before other symbols.
4107         * testsuite/script_test_2.cc (test_addr): Declare.
4108         (test_addr_alias): Declare.
4109         (main): Check that test_addr and test_addr_alias have the right
4110         values.
4111         * testsuite/script_test_2.t: Define test_addr_alias and
4112         test_addr.
4113
4114 2008-07-24  Ian Lance Taylor  <iant@google.com>
4115
4116         PR 5990
4117         * descriptors.cc: New file.
4118         * descriptors.h: New file.
4119         * gold-threads.h (class Hold_optional_lock): New class.
4120         * fileread.cc: Include "descriptors.h".
4121         (File_read::~File_read): Release descriptor rather than closing
4122         it.
4123         (File_read::open) [file]: Call open_descriptor rather than open.
4124         Set is_descriptor_opened_.
4125         (File_read::open) [memory]: Assert that descriptor is not open.
4126         (File_read::reopen_descriptor): New function.
4127         (File_read::release): Release descriptor.
4128         (File_read::do_read): Make non-const.  Reopen descriptor.
4129         (File_read::read): Make non-const.
4130         (File_read::make_view): Reopen descriptor.
4131         (File_read::do_readv): Likewise.
4132         * fileread.h (class File_read): Add is_descriptor_opened_ field.
4133         Update declarations.
4134         * layout.cc: Include "descriptors.h".
4135         (Layout::create_build_id): Use open_descriptor rather than open.
4136         * output.cc: Include "descriptors.h".
4137         (Output_file::open): Use open_descriptor rather than open.
4138         * archive.cc (Archive::const_iterator): Change Archive to be
4139         non-const.
4140         (Archive::begin, Archive::end): Make non-const.
4141         (Archive::count_members): Likewise.
4142         * archive.h (class Archive): Update declarations.
4143         * object.h (Object::read): Make non-const.
4144         * Makefile.am (CCFILES): Add descriptors.cc.
4145         (HFILES): Add descriptors.h.
4146         * Makefile.in: Rebuild.
4147
4148         PR 6716
4149         * gold.h: Always include <clocale>.  Add Solaris workarounds
4150         following code in binutils/sysdep.h.
4151
4152         PR 6048
4153         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
4154         this->eh_frame_hdr_ is NULL before using it.
4155
4156         * dynobj.cc (Versions::Versions): Update comment.
4157
4158         * dynobj.cc (Versions::Versions): If there is an soname, use it as
4159         the base version name.
4160
4161         * stringpool.cc (Stringpool_template::add_with_length): Set key to
4162         array size plus one.
4163         (Stringpool_template::set_string_offsets): Subtract one from key
4164         before using it as an array index.
4165         (Stringpool_template::get_offset_with_length): Likewise.
4166         (Stringpool_template::write_to_buffer): Likewise.
4167         * stringpool.h (Stringpool_template::get_offset_from_key):
4168         Likewise.
4169
4170 2008-07-23  Ian Lance Taylor  <iant@google.com>
4171
4172         PR 6658
4173         * object.h (Merged_symbol_value::value): Do our best to handle a
4174         negative addend.
4175
4176         PR 6647
4177         * script.cc (Version_script_info::get_versions): Don't add empty
4178         version tag to return value.
4179         (Version_script_info::get_symbol_version_helper): Change return
4180         type to bool.  Add pversion parameter.  Change all callers.
4181         (script_register_vers_node): Don't require a non-NULL tag.
4182         * script.h (class Version_script_info): Update declarations.
4183         (Version_script_info::get_symbol_version): Change return type to
4184         bool.  Add version parameter.  Change all callers.
4185         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
4186         handling.  Handle an empty version from a version script.
4187         (Symbol_table::define_special_symbol): Likewise.
4188         * testsuite/ver_test_10.script: New file.
4189         * testsuite/ver_test_10.sh: New file.
4190         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
4191         (check_DATA): Add ver_test_10.syms.
4192         (ver_test_10.syms, ver_test_10.so): New target.
4193         * testsuite/Makefile.in: Rebuild.
4194
4195 2008-07-23  Simon Baldwin  <simonb@google.com>
4196
4197         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
4198         to zero for undefined symbols from dynamic libraries.
4199
4200 2008-07-23  Ian Lance Taylor  <iant@google.com>
4201
4202         * symtab.cc (Symbol_table::resolve): Remove version parameter.
4203         Change all callers.
4204         * symtab.h (class Symbol_table): Update declaration.
4205         * testsuite/ver_test_9.cc: New file.
4206         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
4207         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
4208         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
4209         (ver_test_9.so, ver_test_9.o): New targets.
4210         * testsuite/Makefile.in: Rebuild.
4211
4212 2008-07-22  Ian Lance Taylor  <iant@google.com>
4213
4214         * options.h (class General_options): Define --check-sections.
4215         * layout.cc (Layout::set_segment_offsets): Handle
4216         --check-sections.
4217
4218         * options.h (class General_options): Define -n/--nmagic and
4219         -N/--omagic.
4220         * options.cc (General_options::finalize): For -n/--nmagic or
4221         -N/--omagic, set -static.
4222         * layout.cc (Layout::attach_allocated_section_to_segment): If
4223         -N/--omagic, don't put read-only and read-write sections in
4224         different segments.
4225         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
4226         finding a read-only segment.
4227         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
4228         don't set the minimum segment alignment to the common page size,
4229         and don't set the file offset to the address modulo the page size.
4230         * script-sections.cc (Script_sections::create_segments): If
4231         -n/--omagic, don't put read-only and read-write sections in
4232         different segments.
4233
4234         * cref.cc: New file.
4235         * cref.h: New file.
4236         * options.h (class General_options): Add --print-symbol-counts.
4237         * main.cc (main): Issue defined symbol report if requested.
4238         * archive.cc (Archive::interpret_header): Make into a const member
4239         function.
4240         (Archive::add_symbols): Call Input_objects::archive_start and
4241         archive_stop.
4242         (Archive::const_iterator): Define new class.
4243         (Archive::begin, Archive::end): New functions.
4244         (Archive::include_all_members): Rewrite to use iterator.
4245         (Archive::count_members): New function.
4246         * archive.h (class Archive): Update declarations.
4247         (Archive::filename): New function.
4248         * object.cc: Include "cref.h".
4249         (Sized_relobj::Sized_relobj): Initialize defined_count_.
4250         (Sized_relobj::do_get_global_symbol_counts): New function.
4251         (Input_objects::add_object): Add object to cross-referencer.
4252         (Input_objects::archive_start): New function.
4253         (Input_objects::archive_stop): New function.
4254         (Input_objects::print_symbol_counts): New function.
4255         * object.h: Declare Cref and Archive.
4256         (Object::get_global_symbol_counts): New function.
4257         (Object::do_get_global_symbol_counts): New pure virtual function.
4258         (class Sized_relobj): Add defined_count_ field.  Update
4259         declarations.
4260         (class Input_objects): Add cref_ field.  Update constructor.
4261         Update declarations.
4262         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
4263         defined_count_.
4264         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
4265         symbol counts.
4266         (Sized_dynobj::do_get_global_symbol_counts): New function.
4267         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
4268         defined_count_.  Update declarations.  Define Symbols typedef.
4269         * symtab.cc (Symbol_table::add_from_relobj): Add defined
4270         parameter.  Change all callers.
4271         (Symbol_table::add_from_dynobj): Add sympointers and defined
4272         parameters.  Change all callers.
4273         * symtab.h (class Symbol_table): Update declarations.
4274         * Makefile.am (CCFILES): Add cref.cc.
4275         (HFILES): Add cref.h.
4276         * Makefile.in: Rebuild.
4277
4278 2008-07-22  Simon Baldwin  <simonb@google.com>
4279
4280         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
4281         to zero when writing undefined symbols.
4282
4283 2008-07-22  Ian Lance Taylor  <iant@google.com>
4284
4285         * output.cc (Output_section::add_input_section): Don't try to
4286         merge empty merge sections.
4287
4288 2008-07-21  Craig Silverstein  <csilvers@google.com>
4289
4290         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4291         Include symbol version in error message.
4292
4293 2008-07-20  Chris Demetriou  <cgd@google.com>
4294
4295         * configure.ac (gold_cv_c_random_seed): New configured variable.
4296         (RANDOM_SEED_CFLAGS): New substituted variable.
4297         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
4298         * configure: Rebuild.
4299         * Makefile.in: Likewise.
4300         * testsuite/Makefile.in: Likewise.
4301
4302 2008-07-18  Ian Lance Taylor  <iant@google.com>
4303
4304         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
4305         where we see NAME/NULL and NAME/VERSION  as separate symbols.
4306         * testsuite/ver_test_main.cc (main): Call t4.
4307         (t4, t4_2a): Define.
4308         * testsuite/ver_test_2.cc (t4_2): Define.
4309         * testsuite/ver_test_2.script: Put t4_2a in VER2.
4310         * testsuite/ver_test_4.cc (t4_2a): Define.
4311         * testsuite/ver_test_4.script: Put t4_2a in VER2.
4312         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
4313
4314 2008-07-17  Ian Lance Taylor  <iant@google.com>
4315
4316         * dynobj.cc (Versions::add_def): If we give an error about a
4317         missing version, go ahead and create the version anyhow.
4318
4319 2008-07-10  Ian Lance Taylor  <iant@google.com>
4320
4321         Handle output sections with more than 0x7fffffff bytes.
4322         * object.h (class Relobj): Change map_to_output_ to
4323         output_sections_, and just keep a section pointer.  Change all
4324         uses.  Move comdat group support to Sized_relobj.
4325         (Relobj::is_section_specially_mapped): Remove.
4326         (Relobj::output_section): Remove poff parameter.  Change all
4327         callers.
4328         (Relobj::output_section_offset): New function.
4329         (Relobj::set_section_offset): Rewrite.
4330         (Relobj::map_to_output): Remove.
4331         (Relobj::output_sections): New function.
4332         (Relobj::do_output_section_offset): New pure virtual function.
4333         (Relobj::do_set_section_offset): Likewise.
4334         (class Sized_relobj): Add section_offsets_ field.  Add comdat
4335         group support from Relobj.  Update declarations.
4336         (Sized_relobj::get_output_section_offset): New function.
4337         (Sized_relobj::do_output_section_offset): New function.
4338         (Sized_relobj::do_set_section_offset): New function.
4339         * object.cc (Relobj::output_section_address): Remove.
4340         (Sized_relobj::Sized_relobj): Initialize new fields.
4341         (Sized_relobj::include_section_group): Cast find_kept_object to
4342         Sized_relobj.
4343         (Sized_relobj::include_linkonce_section): Likewise.
4344         (Sized_relobj::do_layout): Use separate arrays for output section
4345         and output offset.
4346         (Sized_relobj::do_count_local_symbols): Change map_to_output to
4347         output_sections.
4348         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
4349         output_sections and section_offsets.
4350         (Sized_relobj::write_local_symbols): Likewise.
4351         (map_to_kept_section): Compute output address directly.
4352         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
4353         output_sections and section_offsets.
4354         (Sized_relobj::write_sections): Likewise.
4355         (Sized_relobj::relocate_sections): Likewise.
4356         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
4357         * output.h (class Output_reloc): Update declarations.  Change
4358         u2_.relobj to Sized_relobj*.
4359         (class Output_data_reloc): Change add functions to use
4360         Sized_relobj*.
4361         * output.cc (Output_reloc::Output_reloc): Change relobj to
4362         Sized_relobj*.
4363         (Output_reloc::local_section_offset): Change return type to
4364         Elf_Addr.  Use get_output_section_offset.
4365         (Output_reloc::get_address): Likewise.
4366         (Output_section::is_input_address_mapped): Don't call
4367         is_section_specially_mapped.
4368         (Output_section::output_offset): Likewise.
4369         (Output_section::output_address): Likewise.
4370         (Output_section::starting_output_address): Likewise.
4371         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
4372         parameter to Sized_relobj*.
4373         (Copy_relocs::need_copy_reloc): Likewise.
4374         (Copy_relocs::save): Likewise.
4375         * copy-relocs.h (class Copy_relocs): Update declarations.
4376         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
4377         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
4378         * target-reloc.h (relocate_for_relocatable): Change
4379         offset_in_output_section type to Elf_Addr.  Change code that uses
4380         it as well.
4381         * layout.cc (Layout::layout): Always set *off.
4382         * mapfile.cc (Mapfile::print_input_section): Use
4383         output_section_offset.
4384         * i386.cc (Target_i386::copy_reloc): Change object parameter to
4385         Sized_relobj*.
4386         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
4387         * sparc.cc (Target_sparc::copy_reloc): Likewise.
4388         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
4389
4390 2008-07-03  Ian Lance Taylor  <iant@google.com>
4391
4392         * layout.cc (Layout::include_section): Do not discard unrecognized
4393         SHT_STRTAB sections.
4394
4395 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
4396
4397         * script.cc (Lex::can_continue_name): Make '?' allowable in
4398         version-script names.
4399         * testsuite/version_script.map: Change glob pattern to use '?'
4400
4401 2008-06-30  Manish Singh  <yosh@gimp.org>
4402
4403         PR 6585
4404         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
4405         Correct typo.
4406
4407 2008-06-30  Ian Lance Taylor  <iant@google.com>
4408
4409         PR 6660
4410         PR 6682
4411         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4412         versions]: Don't try to read the value in the contents, since we
4413         don't use it.  Use the template endianness when writing.
4414
4415 2008-06-25  Cary Coutant  <ccoutant@google.com>
4416
4417         * fileread.cc (File_read::make_view): Assert on zero-length view.
4418         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4419         symbol table when there are no symbols to read.
4420
4421 2008-06-23  Craig Silverstein  <csilvers@google.com>
4422
4423         * version.cc (version_string): Bump to 1.7
4424
4425 2008-06-18  Craig Silverstein  <csilvers@google.com>
4426
4427         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4428         constant 0xFFFF to type Valtype.
4429         (Powerpc_relocate_functions::rel16_ha): Likewise.
4430
4431 2008-06-17  Ian Lance Taylor  <iant@google.com>
4432
4433         * output.h (Output_section::Input_section): Initialize p2align_ to
4434         zero for Output_section_data constructors.
4435         (Output_section::Input_section::addralign): If not an input
4436         section, return the alignment of the Output_section_data.
4437         * testsuite/copy_test.cc: New file.
4438         * testsuite/copy_test_1.cc: New file.
4439         * testsuite/copy_test_2.cc: New file.
4440         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4441         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4442         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4443         (copy_test_1_pic.o, copy_test_1.so): New targets.
4444         (copy_test_2_pic.o, copy_test_2.so): New targets.
4445         * testsuite/Makefile.in: Rebuild.
4446
4447         * script-sections.cc (Script_sections::place_orphan): Initialize
4448         local variable exact.
4449
4450 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
4451
4452         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4453
4454 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
4455             David S. Miller  <davem@davemloft.net>
4456
4457         * powerpc.cc: New file.
4458         * Makefile.am (TARGETSOURCES): Add powerpc.cc
4459         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4460         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4461         * Makefile.in: Rebuild.
4462
4463 2008-06-09  Ian Lance Taylor  <iant@google.com>
4464
4465         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4466         <exception>.
4467         (throwing, orig_terminate): New static variables.
4468         (terminate_handler): New static function.
4469         (t2): Set terminate handler.
4470
4471 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
4472
4473         PR 6584
4474         * binary.cc (Binary_to_elf::sized_convert): Fix .data
4475         alignment.
4476
4477 2008-05-30  Cary Coutant  <ccoutant@google.com>
4478
4479         * archive.cc (Archive::include_all_members) Correct to step
4480         over symbol table and extended name table in thin archives.
4481
4482 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
4483
4484         PR 6407
4485         * target-reloc.h (relocate_for_relocatable): Fix new_offset
4486         calculation.
4487
4488 2008-05-28  Caleb Howe  <cshowe@google.com>
4489
4490         * reduced_debug_output.cc: New file.
4491         * reduced_debug_output.h: New file.
4492         * options.h (class General_options): Add --strip-debug-non-line.
4493         * options.cc (General_options::finalize): Add strip_debug_non_line
4494         to the strip heirarchy.
4495         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4496         fields.
4497         * layout.cc: Include "reduced_debug_output.h".
4498         (Layout::Layout): Initialize new fields.
4499         (line_only_debug_sections): New static array.
4500         (is_lines_only_debug_sections): New static inline function.
4501         (Layout::include_section): Handle --strip-debug-non-line.
4502         (Layout::make_output_section): If --strip-debug-non-line, build
4503         new output sections for .debug_abbrev and .debug_info.
4504         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4505         gold.  Warn about possible overflow.
4506         (read_signed_LEB_128): Likewise.
4507         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4508         (read_signed_LEB_128): Declare.
4509         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4510         (HFILES): Add reduced_debug_output.h.
4511         * Makefile.in: Rebuild.
4512
4513 2008-05-21  Ian Lance Taylor  <iant@google.com>
4514
4515         * mapfile.cc: New file.
4516         * mapfile.h: New file.
4517         * options.h (class General_options): Add -M/--print-map and -Map.
4518         * options.cc (General_options::finalize): Make -M equivalent to
4519         -Map -.
4520         * main.cc: Include <cstdio> and "mapfile.h".
4521         (main): Open mapfile if requested.
4522         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
4523         constructor.  Change caller.
4524         (queue_initial_tasks): Add mapfile parameter.  Change caller.
4525         (queue_middle_tasks): Likewise.
4526         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
4527         declarations.
4528         * archive.cc: Include "mapfile.h".
4529         (Archive::add_symbols): Add mapfile parameter.  Change all
4530         callers.  Pass mapfile, symbol, and reason to include_member.
4531         (Archive::include_all_members): Add mapfile parameter.  Change all
4532         callers.
4533         (Archive::include_member): Add mapfile, sym, and why parameters.
4534         Change all callers.  Report inclusion to map file.
4535         * archive.h: Include "fileread.h".
4536         (class Archive): Update declarations.
4537         (Archive::file): New const method.
4538         (class Add_archive_symbols): Add mapfile_ field.  Update
4539         constructor.  Change all callers.
4540         * readsyms.h (class Read_symbols): Likewise.
4541         (class Finish_group): Likewise.
4542         (class Read_script): Likewise.
4543         * common.cc: Include "mapfile.h".
4544         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
4545         all callers.
4546         (Symbol_table::do_allocate_commons): Likewise.
4547         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
4548         symbol allocation to mapfile.
4549         * common.h (class Allocate_commons_task): Add mapfile_ field.
4550         Update constructor.  Change all callers.
4551         * symtab.h (class Symbol_table): Update declarations.
4552         * layout.cc: Include "mapfile.h".
4553         (Layout_task_runner::run): Print information to mapfile.
4554         (Layout::create_gold_note): Change Output_data_fixed_space to
4555         Output_data_zero_fill.
4556         (Layout::create_build_id): Likewise.
4557         (Layout::print_to_mapfile): New function.
4558         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
4559         constructor.  Change caller.
4560         (class Layout): Declare print_to_mapfile.
4561         * output.cc (Output_section::Input_section::print_to_mapfile): New
4562         function.
4563         (Output_section::add_input_section): If producing a map, always
4564         add to input_sections_ list.
4565         (Output_section::do_print_to_mapfile): New function.
4566         (Output_segment::print_sections_to_mapfile): New function.
4567         (Output_segment::print_section_list_to_mapfile): New function.
4568         * output.h: Include "mapfile.h".
4569         (Output_data::print_to_mapfile): New function.
4570         (Output_data::do_print_to_mapfile): New virtual function.
4571         (Output_segment_headers::do_print_to_mapfile): New function.
4572         (Output_file_header::do_print_to_mapfile): New function.
4573         (Output_data_const::do_print_to_mapfile): New function.
4574         (class Output_data_const_buffer): Add map_name_ field.  Update
4575         constructor.  Change all callers.  Add do_print_to_mapfile
4576         function.
4577         (class Output_data_fixed_space): Likewise.
4578         (class Output_data_space): Likewise.
4579         (class Output_data_zero_fill): New class.
4580         (Output_data_strtab::do_print_to_mapfile): New function.
4581         (Output_data_reloc_base::do_print_to_mapfile): New function.
4582         (Output_relocatable_relocs::do_print_to_mapfile): New function.
4583         (Output_data_group::do_print_to_mapfile): New function.
4584         (Output_data_got::do_print_to_mapfile): New function.
4585         (Output_data_dynamic::do_print_to_mapfile): New function.
4586         (Output_symtab_xindex::do_print_to_mapfile): New function.
4587         (class Output_section): Declare do_print_to_mapflie.  Declare
4588         print_to_mapfile in Input_section.
4589         (class Output_segment): Declare new functions.
4590         * object.h (Sized_relobj::symbol_count): New function.
4591         * script-sections.cc
4592         (Output_section_element_dot_assignment::set_section_addresses):
4593         Change Output_data_fixed_space to Output_data_zero_fill.
4594         (Output_data_expression::do_print_to_mapfile): New function.
4595         * script.cc (read_input_script): Add mapfile parameter.  Change
4596         all callers.
4597         * script.h (read_input_script): Update declaration.
4598         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
4599         (Eh_frame::do_print_to_mapfile): New function.
4600         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
4601         (Output_merge_string::do_print_to_mapfile): New function.
4602         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
4603         function.
4604         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
4605         function.
4606         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
4607         function.
4608         * Makefile.am (CCFILES): Add mapfile.cc.
4609         (HFILES): Add mapfile.h.
4610         * Makefile.in: Rebuild.
4611
4612 2008-05-19  Ian Lance Taylor  <iant@google.com>
4613
4614         * options.h (class General_options): Add -z relro.
4615         * layout.cc (Layout::Layout): Initialize relro_segment_.
4616         (Layout::add_output_section_data): Return the output section.
4617         (Layout::make_output_section): Rcognize relro sections and mark
4618         them appropriately.
4619         (Layout::attach_allocated_section_to_segment): Put relro sections
4620         in a PT_GNU_RELRO segment.
4621         (Layout::create_initial_dynamic_sections): Mark the .dynamic
4622         section as relro.
4623         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
4624         PT_TLS segments.
4625         (Layout::linkonce_mapping): Map d.rel.ro.local to
4626         .data.rel.ro.local.
4627         (Layout::output_section_name): Us .data.rel.ro.local for any
4628         section which begins with that.
4629         * layout.h (class Layout): Update add_output_section_data
4630         declaration.  Add relro_segment_ field.
4631         * output.cc (Output_section::Output_section): Initialize is_relro_
4632         and is_relro_local_ fields.
4633         (Output_segment::add_output_section): Group relro sections.
4634         (Output_segment::is_first_section_relro): New function.
4635         (Output_segment::maximum_alignment): If there is a relro section,
4636         align the segment to the common page size.
4637         (Output_segment::set_section_addresses): Track whether we are
4638         looking at relro sections.  If the last section is a relro
4639         section, align to the common page size.
4640         (Output_segment::set_section_list_addresses): Add in_relro
4641         parameter.  Change all callers.  Align to the page size when
4642         moving from relro to non-relro section.
4643         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4644         segment.
4645         * output.h (class Output_section): Add is_relro_ and
4646         is_relro_local_ fields.
4647         (Output_section::is_relro): New function.
4648         (Output_section::set_is_relro): New function.
4649         (Output_section::is_relro_local): New function.
4650         (Output_section::set_is_relro_local): New function.
4651         (class Output_segment): Update declarations.
4652         * i386.cc (Target_i386::got_section): Mark .got section as relro.
4653         * sparc.cc (Target_sparc::got_section): Likewise.
4654         * x86_64.cc (Target_x86_64::got_section): Likewise.
4655         * testsuite/relro_test_main.cc: New file.
4656         * testsuite/relro_test.cc: New file.
4657         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4658         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4659         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4660         (relro_test.so, relro_test_pic.o): New targets.
4661         * testsuite/Makefile.in: Rebuild.
4662
4663 2008-05-16  Ian Lance Taylor  <iant@google.com>
4664
4665         * output.cc (Output_segment::add_output_section): Remove front
4666         parameter.
4667         * output.h (class Output_segment): Remove
4668         add_initial_output_section and overloaded add_output_section.
4669         Update declaration of remaining add_output_section.
4670         * layout.cc (Layout::create_interp): Call add_output_section
4671         rather than add_initial_output_section.
4672         (Layout::finish_dynamic_section): Likewise.
4673
4674         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4675         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
4676         know the dynamic type.
4677         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4678         field.  Initialize it in constructor.
4679         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4680         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4681         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4682         reloc.
4683
4684         * output.cc (Output_reloc::get_address): Change return type to
4685         Elf_Addr.
4686         * output.h (class Output_reloc): Update get_address declaration.
4687         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4688         for section addresses.
4689
4690 2008-05-09  Ian Lance Taylor  <iant@google.com>
4691
4692         PR 6493
4693         * gold.cc (gold_nomem): Use return value of write.
4694
4695 2008-05-08  Ian Lance Taylor  <iant@google.com>
4696
4697         * symtab.c (Symbol::init_base_output_data): Add version
4698         parameter.  Change all callers.
4699         (Symbol::init_base_output_segment): Likewise.
4700         (Symbol::init_base_constant): Likewise.
4701         (Symbol::init_base_undefined): Likewise.
4702         (Sized_symbol::init_output_data): Likewise.
4703         (Sized_symbol::init_output_segment): Likewise.
4704         (Sized_symbol::init_constant): Likewise.
4705         (Sized_symbol::init_undefined): Likewise.
4706         (Symbol_table::do_define_in_output_data): If the new symbol has a
4707         version, mark it as the default.
4708         (Symbol_table::do_define_in_output_segment): Likewise.
4709         (Symbol_table::do_define_as_constant): Likewise.
4710         * symtab.h (class Symbol): Update declarations.
4711         (class Sized_symbol): Likewise.
4712         * resolve.cc (Symbol::override_version): New function.
4713         (Symbol::override_base): Call override_version.
4714         (Symbol::override_base_with_special): Likewise.
4715         * testsuite/ver_script_8.script: New file.
4716         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4717         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4718         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4719         (ver_test_8_1.so, ver_test_8_2.so): New targets.
4720
4721 2008-05-06  Ian Lance Taylor  <iant@google.com>
4722
4723         PR 6049
4724         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4725         functions.
4726         (class General_options): Remove existing --undefined, and add
4727         --no-undefined instead.  Add new --undefined as synonym for -u.
4728         * archive.cc (Archive::add_symbols): Check whether symbol was
4729         named with -u.
4730         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4731         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4732         all uses.  Add IS_UNDEFINED.  Update declarations to split
4733         different versions of init_base.  Declare init_base_undefined.
4734         (Symbol::is_defined): Handle IS_UNDEFINED.
4735         (Symbol::is_undefined): Likewise.
4736         (Symbol::is_weak_undefined): Call is_undefined.
4737         (Symbol::is_absolute): Handle IS_CONSTANT.
4738         (class Sized_symbol): Update declarations to split different
4739         versions of init.  Declare init_undefined.
4740         (class Symbol_table): Declare new functions.
4741         * symtab.cc (Symbol::init_base_object): Rename from init_base.
4742         Change all callers.
4743         (Symbol::init_base_output_data): Likewise.
4744         (Symbol::init_base_output_segment): Likewise.
4745         (Symbol::init_base_constant): Likewise.
4746         (Symbol::init_base_undefined): New function.
4747         (Sized_symbol::init_object): Rename from init.  Change all
4748         callers.
4749         (Sized_symbol::init_output_data): Likewise.
4750         (Sized_symbol::init_output_segment): Likewise.
4751         (Sized_symbol::init_constant): Likewise.
4752         (Sized_symbol::init_undefined): New function.
4753         (Symbol_table::add_undefined_symbols_from_command_line): New
4754         function.
4755         (Symbol_table::do_add_undefined_symbols_from_command_line): New
4756         function.
4757         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4758         (Symbol::output_section): Likewise.
4759         (Symbol::set_output_section): Likewise.
4760         (Symbol_table::sized_finalize_symbol): Likewise.
4761         (Symbol_table::sized_write_globals): Likewise.
4762         * resolve.cc (Symbol_table::should_override): Likewise.
4763         (Symbol::override_base_with_special): Likewise.
4764
4765         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4766         symbol, change it to have default visibility.
4767         * testsuite/protected_1.cc: New file.
4768         * testsuite/protected_2.cc: New file.
4769         * testsuite/protected_3.cc: New file.
4770         * testsuite/protected_main_1.cc: New file.
4771         * testsuite/protected_main_2.cc: New file.
4772         * testsuite/protected_main_3.cc: New file.
4773         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4774         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4775         (protected_1_LDFLAGS, protected_1_LDADD): Define.
4776         (protected_1.so): New target.
4777         (protected_1_pic.o, protected_2_pic.o): New targets.
4778         (protected_3_pic.o): New target.
4779         (check_PROGRAMS): Add protected_2.
4780         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4781         (protected_2_LDFLAGS, protected_2_LDADD): Define.
4782         * testsuite/Makefile.in: Rebuild.
4783
4784         * options.h (DEFINE_var): Add set_user_set_##varname__.
4785         (DEFINE_bool_alias): New macro.
4786         (class General_options): Define -Bstatic using DEFINE_bool_alias
4787         rather than DEFINE_special.  Add --undefined as an alias for -z
4788         defs.
4789         * options.cc (General_options::parse_Bstatic): Remove.
4790
4791         * options.h (class General_options): Add --fatal-warnings.
4792         * main.cc (main): Implement --fatal-warnings.
4793         * errors.h (Errors::warning_count): New function.
4794
4795         * options.h (class General_options): Add -Bsymbolic-functions.
4796         * symtab.h (Symbol::is_preemptible): Check for
4797         -Bsymbolic-functions.
4798
4799 2008-05-05  Ian Lance Taylor  <iant@google.com>
4800
4801         * options.h (DEFINE_bool): For DASH_Z, create the negative option
4802         as noVARNAME rather than no-VARNAME.
4803         (class General_options): Add option -z combreloc.
4804         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4805         get_address.
4806         (Output_reloc::sort_before) [SHT_REL]: New function.
4807         (Output_reloc::sort_before) [SHT_RELA]: New function.
4808         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
4809         Sort_relocs_comparison.
4810         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4811         parameter.  Change all callers.
4812         (Output_data_reloc::Output_data_reloc) [both versions]: Add
4813         sort_relocs parameter.  Change all callers.
4814         * output.cc (Output_reloc::get_address): New function, broken out
4815         of write_rel.
4816         (Output_reloc::write_rel): Call it.
4817         (Output_reloc::compare): New function.
4818         (Output_data_reloc_base::do_write): Optionally sort relocs.
4819
4820         * configure.ac: If targ_extra_obj is set, link it in.
4821         * configure.tgt: Initialize all variables.
4822         (x86_64*): Set targ_extra_obj and targ_extra_size.
4823         * configure: Rebuild.
4824
4825         * object.cc (Sized_relobj::include_section_group): Adjust section
4826         indexes read from group data.  Build vector to pass to
4827         layout_group.
4828         * layout.cc (Layout::layout_group): Add flags and shndxes
4829         parameters.  Remove contents parameter.  Change caller.  Update
4830         explicit instantiations.
4831         * layout.h (class Layout): Update layout_group declaration.
4832         * output.cc (Output_data_group::Output_data_group): Add flags and
4833         input_shndxes parameters.  Remove contents parameter.  Change
4834         caller.
4835         (Output_data_group::do_write): Change input_sections_ to
4836         input_shndxes_.
4837         * output.h (class Output_data_group): Update constructor
4838         declaration.  Rename input_sections_ to input_shndxes_.
4839         * testsuite/many_sections_test.cc: Add template.
4840
4841 2008-04-30  Cary Coutant  <ccoutant@google.com>
4842
4843         * target-reloc.h (relocate_section): Fix dead-pointer bug.
4844
4845         * layout.cc (Layout::include_section): Refactored check for debug
4846         info section.
4847         (Layout::add_comdat): Add new parameters.  Change type
4848         of signature parameter.  Add object and shndx to signatures table.
4849         (Layout::find_kept_object): New function.
4850         * layout.h: Include <cstring>.
4851         (Layout::is_debug_info_section): New function.
4852         (Layout::add_comdat): Add new parameters.
4853         (Layout::find_kept_object): New function.
4854         (Layout::Kept_section): New struct.
4855         (Layout::Signatures): Change type of map range.
4856         * object.cc (Relobj::output_section_address): New function.
4857         (Sized_relobj::include_section_group): Add new parameters.  Change
4858         calls to Layout::add_comdat.  Change to build table of kept comdat
4859         groups and table mapping discarded sections to kept sections.
4860         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
4861         (Sized_relobj::do_layout): Change calls to include_section_group and
4862         include_linkonce_section.
4863         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4864         value to zero when section is discarded.
4865         (Sized_relobj::map_to_kept_section): New function.
4866         * object.h (Relobj::output_section_address): New function.
4867         (Relobj::Comdat_group): New type.
4868         (Relobj::find_comdat_group): New function.
4869         (Relobj::Comdat_group_table): New type.
4870         (Relobj::Kept_comdat_section): New type.
4871         (Relobj::Kept_comdat_section_table): New type.
4872         (Relobj::add_comdat_group): New function.
4873         (Relobj::set_kept_comdat_section): New function.
4874         (Relobj::get_kept_comdat_section): New function.
4875         (Relobj::comdat_groups_): New field.
4876         (Relobj::kept_comdat_sections_): New field.
4877         (Symbol_value::input_value): Update comment.
4878         (Sized_relobj::map_to_kept_section) New function.
4879         (Sized_relobj::include_linkonce_section): Add new parameter.
4880         * target-reloc.h (Comdat_behavior): New type.
4881         (get_comdat_behavior): New function.
4882         (relocate_section): Add code to map a discarded section to the
4883         corresponding kept section when applying a relocation.
4884
4885 2008-04-30  Craig Silverstein  <csilvers@google.com>
4886
4887         * dwarf_reader.cc (next_generation_count): New static var.
4888         (Addr2line_cache_entry): New struct.
4889         (addr2line_cache): New static var.
4890         (Dwarf_line_info::one_addr2line): Added caching.
4891         (Dwarf_line_info::clear_addr2line_cache): New function.
4892         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4893         cache-size parameter.
4894         (Dwarf_line_info::one_addr2line_cache): New function.
4895         * symtab.cc (Symbol_table::detect_odr_violations): Pass
4896         new cache-size argument to one_addr2line(), and clear cache.
4897
4898 2008-04-28  Cary Coutant  <ccoutant@google.com>
4899
4900         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4901         R_386_PC8 relocations.
4902
4903 2008-04-23  Ian Lance Taylor  <iant@google.com>
4904
4905         * object.cc (Sized_relobj::include_section_group): Check for
4906         invalid section group.
4907
4908         * object.cc (make_elf_object): Correct test for 64-bit ELF file
4909         header size.
4910
4911         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4912         than read for file header.
4913         * archive.cc (Archive::include_member): Likewise.
4914
4915 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4916
4917         * aclocal.m4: Regenerate.
4918         * configure: Regenerate.
4919
4920 2008-04-19  Ian Lance Taylor  <iant@google.com>
4921
4922         * version.cc (version_string): Bump to 1.6.
4923
4924         * testsuite/Makefile.am (many_sections_r_test): New target.
4925         (many_sections_r_test_SOURCES): Remove.
4926         (many_sections_r_test_DEPENDENCIES): Remove.
4927         (many_sections_r_test_LDFLAGS): Remove.
4928         (many_sections_r_test_LDADD): Remove.
4929
4930         * object.cc (Sized_relobj::do_add_symbols): Always pass
4931         local_symbol_count_ to add_from_relobj.
4932
4933         * testsuite/Makefile.am (many_sections_check.h): Only check one in
4934         every thousand variables.
4935         * testsuite/Makefile.in: Rebuild.
4936
4937         * object.cc (Xindex::initialize_symtab_xindex): New function.
4938         (Xindex::read_symtab_xindex): New function.
4939         (Xindex::sym_xindex_to_shndx): New function.
4940         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4941         available.
4942         (Sized_relobj::do_initialize_xindex): New function.
4943         (Sized_relobj::do_read_symbols): Adjust section links.
4944         (Sized_relobj::symbol_section_and_value): Add is_ordinary
4945         parameter.  Change all callers.
4946         (Sized_relobj::include_section_group): Adjust section links and
4947         symbol section indexes.
4948         (Sized_relobj::do_layout): Adjust section links.
4949         (Sized_relobj::do_count_local_symbols): Adjust section links and
4950         symbol section indexes.
4951         (Sized_relobj::do_finalize_local_symbols): Distinguish between
4952         ordinary and special symbols.
4953         (Sized_relobj::write_local_symbols): Add symtab_xindex and
4954         dynsym_xindex parameters.  Change all callers.  Adjust section
4955         links.  Use SHN_XINDEX when needed.
4956         (Sized_relobj::get_symbol_location_info): Adjust section links.
4957         Don't get fooled by special symbols.
4958         * object.h (class Xindex): Define.
4959         (class Object): Add xindex_ parameter.  Declare virtual functoin
4960         do_initialize_xindex.
4961         (Object::adjust_sym_shndx): New function.
4962         (Object::set_xindex): New protected function.
4963         (class Symbol_value): Add is_ordinary_shndx_ field.
4964         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4965         (Symbol_value::value): Assert ordinary section.
4966         (Symbol_value::initialize_input_to_output_map): Likewise.
4967         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4968         Change all callers.
4969         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
4970         all callers.
4971         (class Sized_relobj): Update declarations.
4972         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4973         parameter.  Change all callers.
4974         (Sized_relobj::adjust_shndx): New function.
4975         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4976         field.
4977         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4978         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
4979         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
4980         (Sized_dynobj::read_dynsym_section): Adjust section links.
4981         (Sized_dynobj::read_dynamic): Likewise.
4982         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
4983         section links.
4984         (Sized_dynobj::do_initialize_xindex): New function.
4985         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
4986         do_initialize_xindex.
4987         (Sized_dynobj::adjust_shndx): New function.
4988         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4989         dynsym_xindex_ fields.
4990         (Layout::finalize): Add a call to set_section_indexes before
4991         creating the symtab sections.
4992         (Layout::set_section_indexes): Don't do anything if the section
4993         already has a section index.
4994         (Layout::create_symtab_sections): Add shnum parameter.  Change
4995         caller.  Create .symtab_shndx section if needed.
4996         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
4997         caller.
4998         (Layout::allocated_output_section_count): New function.
4999         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
5000         needed.
5001         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
5002         fields.  Update declarations.
5003         (Layout::symtab_xindex): New function.
5004         (Layout::dynsym_xindex): New function.
5005         (class Write_symbols_task): Add layout_ field.
5006         (Write_symbols_task::Write_symbols_task): Add layout parameter.
5007         Change caller.
5008         * output.cc (Output_section_headers::Output_section_headers): Add
5009         shstrtab_section parameter.  Change all callers.
5010         (Output_section_headers::do_sized_write): Store overflow values
5011         for section count and section string table section index in
5012         section header zero.
5013         (Output_file_header::do_sized_write): Check for overflow of
5014         section count and section string table section index.
5015         (Output_symtab_xindex::do_write): New function.
5016         (Output_symtab_xindex::endian_do_write): New function.
5017         * output.h (class Output_section_headers): Add shstrtab_section_.
5018         Update declarations.
5019         (class Output_symtab_xindex): Define.
5020         (Output_section::has_out_shndx): New function.
5021         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
5022         field.
5023         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
5024         Change all callers.
5025         (Sized_symbol::init): Likewise.
5026         (Symbol::output_section): Check for ordinary symbol.
5027         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
5028         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
5029         callers.
5030         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
5031         Change all callers.  Simplify handling of symbols from sections
5032         not included in the link.
5033         (Symbol_table::add_from_dynobj): Handle ordinary symbol
5034         distinction.
5035         (Weak_alias_sorter::operator()): Assert that symbols are
5036         ordinary.
5037         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
5038         distinction.
5039         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
5040         parameters.  Change all callers.
5041         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
5042         symbol distinction.  Use SHN_XINDEX when needed.
5043         (Symbol_table::write_section_symbol): Add symtab_xindex
5044         parameter.  Change all callers.
5045         (Symbol_table::sized_write_section_symbol): Likewise.  Use
5046         SHN_XINDEX when needed.
5047         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
5048         declarations.
5049         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
5050         (Symbol::is_defined): Check is_ordinary.
5051         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
5052         (Symbol::is_absolute, Symbol::is_common): Likewise.
5053         (class Sized_symbol): Update declarations.
5054         (class Symbol_table): Update declarations.
5055         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
5056         parameters.  Change all callers.
5057         (Sized_symbol::override): Likewise.
5058         (Symbol_table::override): Likewise.
5059         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
5060         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
5061         is_ordinary, and orig_st_shndx parameters.  Change all callers.
5062         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
5063         to be in an ordinary section.
5064         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
5065         object and is_ordinary parameters.  Change all callers.
5066         (Sized_dwarf_line_info::read_relocs): Add object parameter.
5067         Change all callers.  Don't add undefined or non-ordinary symbols
5068         to reloc_map_.
5069         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
5070         Change all callers.
5071         * dwarf_reader.h (class Sized_dwarf_line_info): Update
5072         declarations.
5073         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
5074         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
5075         (Sized_relobj::relocate_sections): Likewise.
5076         * target-reloc.h (scan_relocs): Adjust section symbol index.
5077         (scan_relocatable_relocs): Likewise.
5078         * i386.cc (Scan::local): Check for ordinary symbols.
5079         * sparc.cc (Scan::local): Likewise.
5080         * x86_64.cc (Scan::local): Likewise.
5081         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
5082         to symbol_section_and_value.
5083         * testsuite/many_sections_test.cc: New file.
5084         * testsuite/Makefile.am (BUILT_SOURCES): Define.
5085         (check_PROGRAMS): Add many_sections_test.
5086         (many_sections_test_SOURCES): Define.
5087         (many_sections_test_DEPENDENCIES): Define.
5088         (many_sections_test_LDFLAGS): Define.
5089         (BUILT_SOURCES): Add many_sections_define.h.
5090         (many_sections_define.h): New target.
5091         (BUILT_SOURCES): Add many_sections_check.h.
5092         (many_sections_check.h): New target.
5093         (check_PROGRAMS): Add many_sections_r_test.
5094         (many_sections_r_test_SOURCES): Define.
5095         (many_sections_r_test_DEPENDENCIES): Define.
5096         (many_sections_r_test_LDFLAGS): Define.
5097         (many_sections_r_test_LDADD): Define.
5098         (many_sections_r_test.o): New target.
5099         * testsuite/Makefile.in: Rebuild.
5100
5101 2008-04-17  Cary Coutant  <ccoutant@google.com>
5102
5103         * errors.cc (Errors::info): New function.
5104         (gold_info): New function.
5105         * errors.h (Errors::info): New function.
5106         * gold.h (gold_info): New function.
5107         * object.cc (Input_objects::add_object): Print trace output.
5108         * options.cc (options::parse_set): New function.
5109         (General_options::parse_wrap): Deleted.
5110         (General_options::General_options): Deleted initializer.
5111         * options.h (options::String_set): New typedef.
5112         (options::parse_set): New function.
5113         (DEFINE_set): New macro.
5114         (General_options::wrap): Changed to use DEFINE_set. Changed
5115         callers of any_wrap_symbols and is_wrap_symbol.
5116         (General_options::trace, General_options::trace_symbol):
5117         New options.
5118         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
5119         (General_options::wrap_symbols_): Deleted.
5120         * symtab.cc (Symbol_table::add_from_object): Print trace output.
5121
5122 2008-04-17  David S. Miller  <davem@davemloft.net>
5123
5124         * options.cc (General_options::parse_V): New function.
5125         * options.h: Add entries for -V and -Qy.
5126
5127 2008-04-17  Ian Lance Taylor  <iant@google.com>
5128
5129         * common.cc (Symbol_table::allocate_commons): Remove options
5130         parameter.  Change caller.
5131         (Symbol_table::do_allocate_commons): Remove options parameter.
5132         Change caller.  Just call do_allocate_commons_list twice.
5133         (Symbol_table::do_allocate_commons_list): New function, broken out
5134         of do_allocate_commons.
5135         * common.h (class Allocate_commons_task): Remove options_ field.
5136         Update constructor.
5137         * symtab.cc (Symbol_table::Symbol_table): Initialize
5138         tls_commons_.
5139         (Symbol_table::add_from_object): Put TLS common symbols on
5140         tls_commons_ list.
5141         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
5142         which are IN_OUTPUT_DATA.
5143         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
5144         allocate_commons and do_allocate_commons declarations.  Declare
5145         do_allocate_commons_list.
5146         * gold.cc (queue_middle_tasks): Update creation of
5147         Allocate_commons_task to not pass options.
5148         * testsuite/Makefile.am (INCLUDES): Add -I.. .
5149         (TLS_TEST_C_FLAGS): New variable.
5150         (tls_test_c_pic.o): New target.
5151         (tls_test_shared.so): Link in tls_test_c_pic.o.
5152         (tls_test_c_pic_ie.o): New target.
5153         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
5154         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
5155         (tls_test_c.o): New target.
5156         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
5157         (tls_pic_test_LDADD): Likewise.
5158         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
5159         (tls_shared_gd_to_ie_test_LDADD): Likewise.
5160         (tls_test_c_gnu2.o): New target.
5161         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
5162         tls_test_c_gnu2.o.
5163         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
5164         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
5165         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
5166         * testsuite/tls_test.cc: Include "config.h".
5167         (t_last): Call t11_last.
5168         * testsuite/tls_test.h (t11, t11_last): Declare.
5169         * testsuite/tls_test_c.c: New file.
5170         * testsuite/tls_test_main.cc (thread_routine): Call t11.
5171         * configure.ac: Check for OpenMP support.
5172         * configure, config.in, Makefile.in: Rebuild.
5173         * testsuite/Makefile.in: Rebuild.
5174
5175 2008-04-16  Cary Coutant  <ccoutant@google.com>
5176
5177         * i386.cc (Target_i386::define_tls_base_symbol): New function.
5178         (Target_i386::tls_base_symbol_defined_): New field.
5179         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5180         (Target_i386::Scan::global): Likewise.
5181         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
5182         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
5183         (Target_x86_64::tls_base_symbol_defined_): New field.
5184         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5185         (Target_x86_64::Scan::global): Likewise.
5186
5187 2008-04-16  Cary Coutant  <ccoutant@google.com>
5188
5189         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
5190         (Symbol::needs_plt_entry): Allow weak undefined symbols.
5191         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
5192         building shared libraries.
5193         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
5194         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
5195         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
5196         * testsuite/Makefile.in: Rebuild.
5197         * testsuite/weak_undef.h: New file.
5198         * testsuite/weak_undef_file1.cc: Add extra test cases.
5199         * testsuite/weak_undef_file2.cc: Likewise.
5200         * testsuite/weak_undef_test.cc: Likewise.
5201
5202 2008-04-16  David S. Miller  <davem@davemloft.net>
5203
5204         * sparc.cc (Target_sparc::Scan): Change from struct to class.
5205         Add issued_non_pic_error_ field.  Declare check_non_pic.
5206         (Target_sparc::Scan::check_non_pic): New function.
5207         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
5208         (Target_sparc::Scan::global): Likewise.
5209
5210         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
5211         * configure: Rebuild.
5212
5213         * options.h (DEFINE_enable): New macro.
5214         (new_dtags): New enable option.
5215         (initfirst, interpose, loadfltr, nodefaultlib,
5216         nodelete, nodlopen, nodump): New -z options.
5217         * layout.cc (Layout:finish_dynamic_section): If new
5218         dtags enabled, emit DT_RUNPATH.  Also, emit a
5219         DT_FLAGS_1 containing any specified -z flags.
5220
5221 2008-04-16  Ian Lance Taylor  <iant@google.com>
5222
5223         * copy-relocs.cc: New file.
5224         * copy-relocs.h: New file.
5225         * reloc.cc: Remove Copy_relocs code.
5226         * reloc.h: Likewise.
5227         * reloc-types.h (struct Reloc_types) [both versions]: Add
5228         get_reloc_addend_noerror.
5229         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
5230         variants of add_global which take an addend which must be zero.
5231         * i386.cc: Include "copy-relocs.h".
5232         (class Target_i386): Change type of copy_relocs_ to variable,
5233         update initializer.
5234         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
5235         Change all callers.
5236         (Target_i386::do_finalize_sections): Change handling of
5237         copy_relocs_.
5238         * sparc.cc: Include "copy-relocs.h".
5239         (class Target_sparc): Change type of copy_relocs_ to variable,
5240         update initializer.
5241         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
5242         Change all callers.
5243         (Target_sparc::do_finalize_sections): Change handling of
5244         copy_relocs_.
5245         * x86_64.cc: Include "copy-relocs.h".
5246         (class Target_x86_64): Change type of copy_relocs_ to variable,
5247         update initializer.
5248         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
5249         class.  Change all callers.
5250         (Target_x86_64::do_finalize_sections): Change handling of
5251         copy_relocs_.
5252         * Makefile.am (CCFILES): Add copy-relocs.cc.
5253         (HFILES): Add copy-relocs.h.
5254
5255         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
5256
5257         * testsuite/script_test_4.sh: Permit leading zeroes.
5258
5259 2008-04-15  Ian Lance Taylor  <iant@google.com>
5260
5261         * script-sections.cc (Script_sections::create_segments): Use
5262         header_size_adjustment even when there is enough room for the
5263         headers.
5264         * testsuite/script_test_4.sh: New file.
5265         * testsuite/script_test_4.t: New file.
5266         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
5267         (check_DATA): Add script_test_4.stdout.
5268         (MOSTLYCLEANFILES): Likewise.
5269         (script_test_4): New target.
5270         (script_test_4.stdout): New target.
5271         * testsuite/Makefile.in: Rebuild.
5272
5273         * sparc.cc: Add definitions for Output_data_plt_sparc class
5274         constants.
5275
5276 2008-04-14  David S. Miller  <davem@davemloft.net>
5277
5278         * sparc.cc: New file.
5279         * Makefile.am (TARGETSOURCES): Add sparc.cc
5280         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
5281         * configure.tgt: Document targ_extra_size and
5282         targ_extra_big_endian.  Add entries for sparc-* and
5283         sparc64-*.
5284         * configure.ac: Handle targ_extra_size and
5285         targ_extra_big_endian.
5286         * Makefile.in: Rebuild.
5287         * configure: Likewise.
5288         * po/POTFILES.in: Likewise.
5289         * po/gold.pot: Likewise.
5290
5291 2008-04-14  Ian Lance Taylor  <iant@google.com>
5292
5293         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
5294         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
5295         in the name/type/flags to section mapping.  Don't call
5296         allocate_output_section.
5297         (Layout::choose_output_section): Change parameter from adjust_name
5298         to is_input_section.  Don't permit input sections after sections
5299         are attached to segments.  Don't call allocate_output_section.
5300         (Layout::layout_eh_frame): Call update_flags_for_input_section,
5301         not write_enable_output_section.
5302         (Layout::make_output_section): Don't push to
5303         unattached_section_list_ nor call attach_to_segment.  Call
5304         attach_section_to_segment if sections are attached.
5305         (Layout::attach_sections_to_segments): New function.
5306         (Layout::attach_section_to_segment): New function.
5307         (Layout::attach_allocated_section_to_segment): Rename from
5308         attach_to_segment.  Remove flags parameter.
5309         (Layout::allocate_output_section): Remove function.
5310         (Layout::write_enable_output_section): Remove function.
5311         * layout.h (class Layout): Update for above changes.  Add new
5312         field sections_are_attached_.
5313         * output.h (Output_section::update_flags_for_input_section): New
5314         function.
5315         * output.cc (Output_section::add_input_section): Call
5316         update_flags_for_input_section.
5317         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
5318
5319 2008-04-11  Cary Coutant  <ccoutant@google.com>
5320
5321         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
5322         thought unnecessary.
5323         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
5324
5325 2008-04-11  Ian Lance Taylor  <iant@google.com>
5326
5327         * output.h (class Output_section_data): Remove inline definition
5328         of set_addralign.
5329         * output.cc (Output_section_data::set_addralign): New function.
5330
5331 2008-04-11  Cary Coutant  <ccoutant@google.com>
5332
5333         Add support for TLS descriptors for i386 and x86_64.
5334         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
5335         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
5336         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
5337         GOT_TYPE_TLS_DESC.
5338         (Target_i386::got_mod_index_entry): Remove unnecessary code.
5339         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
5340         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
5341         relocations.
5342         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
5343         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
5344         Fix problem with initial-exec relocations.
5345         (Target_i386::Relocate::relocate_tls): Likewise.
5346         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
5347         relaxation.
5348         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
5349         support for section-plus-offset dynamic table entries.
5350         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
5351         (Output_data_dynamic::Dynamic_entry): Add support for
5352         section-plus-offset dynamic table entries.
5353         (Output_data_dynamic::Classification): Likewise.
5354         (Output_data_dynamic::classification_): Renamed offset_.
5355         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
5356         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
5357         (Target_x86_64::make_plt_section): New function.
5358         (Target_x86_64::reserve_tlsdesc_entries): New function.
5359         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
5360         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
5361         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
5362         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
5363         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
5364         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
5365         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
5366         add extra PLT entry for TLS descriptors.
5367         (Output_data_plt_x86_64::got_): New field.
5368         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
5369         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
5370         fields.
5371         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
5372         descriptors.
5373         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
5374         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
5375         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
5376         R_386_TLS_DESC_CALL relocations.
5377         (Target_x86_64::Scan::global): Likewise.
5378         (Target_x86_64::do_finalize_sections): Add dynamic table entries
5379         for TLS descriptors.
5380         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
5381         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
5382         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
5383         GD-to-IE relaxation.
5384         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
5385         and TLS_DESCRIPTORS.
5386         * Makefile.in: Rebuild.
5387         * configure: Rebuild.
5388         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
5389         (tls_test_shared2.so): New target.
5390         (tls_shared_gd_to_ie_test_SOURCES): New variable.
5391         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
5392         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
5393         (tls_shared_gd_to_ie_test_LDADD): New variable.
5394         (tls_shared_gnu2_gd_to_ie_test): New target.
5395         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
5396         New targets.
5397         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
5398         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
5399         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
5400         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
5401         (tls_shared_gnu2_test): New target.
5402         (tls_test_gnu2_shared.so): New target.
5403         (tls_shared_gnu2_test_SOURCES): New variable.
5404         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
5405         (tls_shared_gnu2_test_LDFLAGS): New variable.
5406         (tls_shared_gnu2_test_LDADD): New variable.
5407         * testsuite/Makefile.in: Rebuild.
5408         * testsuite/Makefile.
5409
5410 2008-04-11  Ian Lance Taylor  <iant@google.com>
5411
5412         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5413         justsyms.t.
5414         * testsuite/Makefile.in: Rebuild.
5415
5416         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5417         long.
5418         * testsuite/script_test_2.cc (main): Adjust test.
5419
5420 2008-04-11  David S. Miller  <davem@davemloft.net>
5421             Ian Lance Taylor  <iant@google.com>
5422
5423         * options.h (General_options): Add entries for '-Y' and
5424         '-relax'.
5425         * options.cc (General_options:finalize): If -Y was used, add those
5426         entries to the library path instead of the default "/lib" and
5427         "/usr/lib".
5428
5429 2008-04-11  David S. Miller  <davem@davemloft.net>
5430
5431         * testsuite/justsyms.t: Start at 0x100.
5432         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
5433         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5434         long.
5435         * testsuite/script_test_2.cc: Adjust string and section length
5436         checks.
5437
5438 2008-04-09  Ian Lance Taylor  <iant@google.com>
5439
5440         PR gold/5996
5441         * script-sections.cc (Sections_element::allocate_to_segment): Add
5442         orphan parameter.
5443         (Output_section_definition::allocate_to_segment): Likewise.
5444         (Orphan_output_section::allocate_to_segment): Likewise.
5445         (Script_sections::attach_sections_using_phdrs_clause): Don't
5446         propagate non-PT_LOAD segments to orphan sections.
5447         * testsuite/Makefile.am (script_test_3.stdout): Generate using
5448         readelf rather than objdump.
5449         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
5450         .interp section and PT_INTERP segment are the same size.
5451         * testsuite/Makefile.in: Rebuild.
5452
5453         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5454         aliases for symbols defined in the same object.
5455         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5456         (weak_alias_test_SOURCES): New variable.
5457         (weak_alias_test_DEPENDENCIES): New variable.
5458         (weak_alias_test_LDFLAGS): New variable.
5459         (weak_alias_test_LDADD): New variable.
5460         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5461         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5462         (weak_alias_test_3.o): New target.
5463         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5464         * testsuite/weak_alias_test_main.cc: New file.
5465         * testsuite/weak_alias_test_1.cc: New file.
5466         * testsuite/weak_alias_test_2.cc: New file.
5467         * testsuite/weak_alias_test_3.cc: New file.
5468
5469 2008-04-08  Ian Lance Taylor  <iant@google.com>
5470
5471         * options.h (class General_options): Add --noinhibit-exec option.
5472         * main.cc (main): Check --noinhibit-exec.
5473
5474         * options.h (class General_options): Define --wrap as a special
5475         option.  Add wrap_symbols_ field.
5476         (General_options::any_wrap_symbols): New function.
5477         (General_options::is_wrap_symbol): New function.
5478         * options.cc (General_options::parse_wrap): New function.
5479         (General_options::General_options): Initialize wrap_symbols_.
5480         * symtab.cc (Symbol_table::wrap_symbol): New function.
5481         (Symbol_table::add_from_object): Handle --wrap.
5482         * symtab.h (class Symbol_table): Declare wrap_symbol.
5483         * target.h (Target::wrap_char): New function.
5484         (Target::Target_info): Add wrap_char field.
5485         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5486         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5487         * testsuite/testfile.cc (Target_test::test_target_info):
5488         Likewise.
5489
5490         * errors.cc (Errors::undefined_symbol): Mention symbol version if
5491         there is one.
5492
5493         * layout.h (class Layout): Add added_eh_frame_data_ field.
5494         * layout.cc (Layout::Layout): Initialize new field.
5495         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5496         output section until we find a section we merged successfully.
5497         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5498         that the size be non-zero.
5499
5500         * merge.cc (Object_merge_map::get_output_offset): Remove inline
5501         qualifier.
5502
5503 2008-04-08  Craig Silverstein  <csilvers@google.com>
5504
5505         * configure.ac: Export new conditional variable HAVE_ZLIB.
5506         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5507         on HAVE_ZLIB.
5508         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5509         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5510
5511 2008-04-07  Ian Lance Taylor  <iant@google.com>
5512
5513         * version.cc (version_string): Set to "1.5".
5514
5515         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5516         Add issued_non_pic_error_ field.  Declare check_non_pic.
5517         (Target_x86_64::Scan::check_non_pic): New function.
5518         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5519         (Target_x86_64::Scan::global): Likewise.
5520
5521         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
5522         addend parameter.  Change caller.  Handle merge sections.
5523         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
5524         Address to Addend.  Don't add in the result of
5525         local_section_offset, pass down the addend and use the returned
5526         value.
5527         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
5528         Update declarations of local_section_offset and symbol_value.
5529         * testsuite/two_file_test_1.cc (t18): New function.
5530         * testsuite/two_file_test_2.cc (f18): New function.
5531         * testsuite/two_file_test_main.cc (main): Call t18.
5532         * testsuite/two_file_test.h (t18, f18): Declare.
5533
5534         * configure.ac: Don't test for objdump, c++filt, or readelf.
5535         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
5536         conditionals.
5537         (TEST_READELF): New variable.
5538         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
5539         (check_PROGRAMS): Add two_file_strip_test.
5540         (two_file_strip_test): New target.
5541         (check_PROGRAMS): Add two_file_same_shared_strip_test.
5542         (two_file_same_shared_strip_test_SOURCES): New variable.
5543         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
5544         (two_file_same_shared_strip_test_LDFLAGS): New variable.
5545         (two_file_same_shared_strip_test_LDADD): New variable.
5546         (two_file_shared_strip.so): New target.
5547         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
5548         (ver_test_5.syms, ver_test_7.syms): Likewise.
5549         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
5550         (strip_test_3.stdout): Use TEST_OBJDUMP.
5551         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5552
5553 2008-04-04  Cary Coutant  <ccoutant@google.com>
5554
5555         * symtab.h (Symbol::is_weak_undefined): New function.
5556         (Symbol::is_strong_undefined): New function.
5557         (Symbol::is_absolute): New function.
5558         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
5559         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
5560         absolute symbols.
5561         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
5562         (weak_undef_test): New target.
5563         * testsuite/Makefile.in: Rebuild.
5564         * testsuite/weak_undef_file1.cc: New file.
5565         * testsuite/weak_undef_file2.cc: New file.
5566         * testsuite/weak_undef_test.cc: New file.
5567
5568 2008-04-03  Craig Silverstein  <csilvers@google.com>
5569
5570         * compressed_output.h (class Output_compressed_section): Use
5571         unsigned buffer.
5572         * compressed_output.cc (zlib_compress): Use unsigned buffers,
5573         add zlib header.
5574         (zlib_compressed_suffix): Removed.
5575         (Output_compressed_section::set_final_data_size): Use unsigned
5576         buffers.
5577         * testsuite/Makefile.am (flagstest_compress_debug_sections):
5578         Fix linker invocation.
5579         (flagstest_o_specialfile_and_compress_debug_sections):
5580         Likewise.
5581         * testsuite/Makefile.in: Regenerated.
5582
5583 2008-04-02  David S. Miller  <davem@davemloft.net>
5584
5585         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
5586         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
5587
5588 2008-04-02  Craig Silverstein  <csilvers@google.com>
5589
5590         * TODO: New file.
5591
5592 2008-04-02  Ian Lance Taylor  <iant@google.com>
5593
5594         * fileread.cc (File_read::find_view): Add byteshift and vshifted
5595         parameters.  Update for new key type to views_.  Change all
5596         callers.
5597         (File_read::read): Adjust for byteshift in returned view.
5598         (File_read::add_view): New function, broken out of
5599         find_and_make_view.
5600         (File_read::make_view): New function, broken out of
5601         find_and_make_view.
5602         (File_read::find_or_make_view): Add offset and aligned
5603         parameters.  Rewrite accordingly.  Change all callers.
5604         (File_read::get_view): Add offset and aligned parameters.  Adjust
5605         for byteshift in return value.
5606         (File_read::get_lasting_view): Likewise.
5607         * fileread.h (class File_read): Update declarations.
5608         (class File_read::View): Add byteshift_ field.  Add byteshift to
5609         constructor.  Add byteshift method.
5610         * archive.h (Archive::clear_uncached_views): New function.
5611         (Archive::get_view): Add aligned parameter.  Change all callers.
5612         * object.h (Object::get_view): Add aligned parameter.  Change all
5613         callers.
5614         (Object::get_lasting_view): Likewise.
5615
5616         * fileread.cc (File_read::release): Don't call clear_views if
5617         there are multiple objects.
5618         * fileread.h (File_read::clear_uncached_views): New function.
5619         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
5620         on the archive.
5621
5622 2008-03-31  Cary Coutant  <ccoutant@google.com>
5623
5624         Add thin archive support.
5625         * archive.cc (Archive::armagt): New const.
5626         (Archive::setup): Remove task parameter and calls to unlock.
5627         (Archive::unlock_nested_archives): New function.
5628         (Archive::read_header): Add nested_off parameter. Change
5629         all callers.
5630         (Archive::interpret_header): Likewise.
5631         (Archive::include_all_members): Change to handle thin
5632         archives.
5633         (Archive::include_member): Likewise.
5634         * archive.h (Archive::Archive): Add new parameters and
5635         initializers.
5636         (Archive::armagt): New const.
5637         (Archive::setup): Remove task parameter.
5638         (Archive::unlock_nested_archives): New function.
5639         (Archive::read_header): Add nested_off parameter.
5640         (Archive::interpret_header): Likewise.
5641         (Archive::Nested_archive_table): New typedef.
5642         (Archive::is_thin_archive_): New field.
5643         (Archive::nested_archives_): New field.
5644         (Archive::options_): New field.
5645         (Archive::dirpath_): New field.
5646         (Archive::task_): New field.
5647         * readsyms.cc (Read_symbols::do_read_symbols): Add check
5648         for thin archives.  Pass additional parameters to
5649         Archive::Archive.  Unlock the archive file after calling
5650         Archive::setup.
5651
5652 2008-03-29  Ian Lance Taylor  <iant@google.com>
5653
5654         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5655         version symbol to be local.
5656         * testsuite/ver_test_4.sh: New file.
5657         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5658         (check_DATA): Add ver_test_4.syms.
5659         (ver_test_4.syms): New target.
5660         * testsuite/Makefile.in: Rebuild.
5661
5662         * output.cc
5663         (Output_section::Input_section_sort_entry::has_priority): New
5664         function.
5665         (Output_section::Input_section_sort_entry::match_file_name): New
5666         function.
5667         (Output_section::Input_section_sort_entry::match_section_name):
5668         Remove.
5669         (Output_section::Input_section_sort_entry::match_section_name_prefix):
5670         Remove.
5671         (Output_section::Input_section_sort_entry::match_section_file):
5672         Remove.
5673         (Output_section::Input_section_sort_compare::operator()): Rewrite
5674         using new Input_section_sort_entry functions.  Sort crtbegin and
5675         crtend first.  Sort sections with no priority before sections with
5676         a priority.
5677         * testsuite/initpri1.c (d3): Check j != 4.
5678         (cd5): New constructor/destructor function.
5679         (main): Check j != 2.
5680
5681         * symtab.cc (Symbol_table::add_from_object): If we don't use the
5682         new symbol when resolving, don't call set_is_default.
5683         * testsuite/ver_test_7.cc: New file.
5684         * testsuite/ver_test_7.sh: New file.
5685         * testsuite/Makefile.am (ver_test_7.so): New target.
5686         (ver_test_7.o): New target.
5687         (check_SCRIPTS): Add ver_test_7.sh.
5688         (check_DATA): Add ver_test_7.syms.
5689         (ver_test_7.syms): New target.
5690
5691 2008-03-28  Ian Lance Taylor  <iant@google.com>
5692
5693         * layout.cc (Layout::layout): If we see an input section with a
5694         name that needs sorting, set the must_sort flag for the output
5695         section.
5696         (Layout::make_output_section): If the name of the output section
5697         indicates that it might require sorting, set the may_sort flag.
5698         * output.h (Output_section::may_sort_attached_input_sections): New
5699         function.
5700         (Output_section::set_may_sort_attached_input_sections): New
5701         function.
5702         (Output_section::must_sort_attached_input_sections): New
5703         function.
5704         (Output_section::set_must_sort_attached_input_sections): New
5705         function.
5706         (class Output_section): Declare Input_section_sort_entry.  Define
5707         Input_section_sort_compare.  Declare
5708         sort_attached_input_sections.  Add new fields:
5709         may_sort_attached_input_sections_,
5710         must_sort_attached_input_sections_,
5711         attached_input_sections_are_sorted_.
5712         * output.cc (Output_section::Output_section): Initialize new
5713         fields.
5714         (Output_section::add_input_section): Add an entry to
5715         input_sections_ if may_sort or must_sort are true.
5716         (Output_section::set_final_data_size): Call
5717         sort_attached_input_sections if necessary.
5718         (Output_section::Input_section_sort_entry): Define new class.
5719         (Output_section::Input_section_sort_compare::operator()): New
5720         function.
5721         (Output_section::sort_attached_input_sections): New function.
5722         * configure.ac: Check whether the compiler supports constructor
5723         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
5724         * testsuite/initpri1.c: New file.
5725         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5726         CONSTRUCTOR_PRIORITY.
5727         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5728         (initpri1_LDFLAGS): New variable.
5729         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5730
5731 2008-03-27  Ian Lance Taylor  <iant@google.com>
5732
5733         * common.cc (Sort_commons::operator): Correct sorting algorithm.
5734         * testsuite/common_test_1.c: New file.
5735         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5736         (common_test_1_SOURCES): New variable.
5737         (common_test_1_DEPENDENCIES): New variable.
5738         (common_test_1_LDFLAGS): New variable.
5739
5740         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5741         and commons_ correctly when NAME/VERSION does not override
5742         NAME/NULL.
5743         * testsuite/ver_test_6.c: New file.
5744         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5745         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5746         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5747
5748 2008-03-26  Ian Lance Taylor  <iant@google.com>
5749
5750         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5751         of an undefined symbol from a version script.
5752         * testsuite/Makefile.am (ver_test_5.so): New target.
5753         (ver_test_5.o): New target.
5754         (check_SCRIPTS): Add ver_test_5.sh.
5755         (check_DATA): Add ver_test_5.syms.
5756         (ver_test_5.syms): New target.
5757         * testsuite/ver_test_5.cc: New file.
5758         * testsuite/ver_test_5.script: New file.
5759         * testsuite/ver_test_5.sh: New file.
5760         * Makefile.in, testsuite/Makefile.in: Rebuild.
5761
5762         PR gold/5986
5763         Fix problems building gold with gcc 4.3.0.
5764         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5765         (gold_error_at_location, gold_warning_at_location): Use it.
5766         * configure.ac: Check whether we can compile and use a template
5767         function with a printf attribute.
5768         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5769         when jumping over bytes.
5770         * object.cc: Instantiate Object::read_section_data.
5771         * debug.h: Include <cstring>
5772         * dwarf_reader.cc: Include <algorithm>
5773         * main.cc: Include <cstring>.
5774         * options.cc: Include <cstring>.
5775         * output.cc: Include <cstring>.
5776         * script.cc: Include <cstring>.
5777         * script.h: Include <string>.
5778         * symtab.cc: Include <cstring> and <algorithm>.
5779         * target-select.cc: Include <cstring>.
5780         * version.cc: Include <string>.
5781         * testsuite/testmain.cc: Include <cstdlib>.
5782         * configure, config.in: Rebuild.
5783
5784 2008-03-25  Ian Lance Taylor  <iant@google.com>
5785
5786         * options.cc: Include "../bfd/bfdver.h".
5787         (options::help): Print bug reporting address.
5788
5789         * version.cc (print_version): Adjust output for current value of
5790         BFD_VERSION_STRING.
5791
5792         * NEWS: New file.
5793
5794         * options.cc (options::help): Print list of supported targets.
5795         * target-select.h: Include <vector>.
5796         (class Target_selector): Make machine_, size_, and is_big_endian_
5797         fields const.  Add bfd_name_ and instantiated_target_ fields.
5798         (Target_selector::Target_selector): Add bfd_name parameter.
5799         (Target_selector::recognize): Make non-virtual, call
5800         do_recognize.
5801         (Target_selector::recognize_by_name): Make non-virtual, call
5802         do_recognize_by_name.
5803         (Target_selector::supported_names): New function.
5804         (Target_selector::bfd_name): New function.
5805         (Target_selector::do_instantiate_target): New pure virtual
5806         function.
5807         (Target_selector::do_recognize): New virtual function.
5808         (Target_selector::do_recognize_by_name): New virtual function.
5809         (Target_selector::instantiate_target): New private function.
5810         (supported_target_names): Declare.
5811         * target-select.cc (Target_selector::Target_selector): Update for
5812         new parameter and fields.
5813         (select_target_by_name): Check that the name matches before
5814         calling recognize_by_name.
5815         (supported_target_names): New function.
5816         * i386.cc (class Target_selector_i386): Update Target_selector
5817         constructor call.  Remove recognize and recognize_by_name.  Add
5818         do_instantiate_target.
5819         * x86_64.cc (class Target_selector_x86_64): Likewise.
5820         * testsuite/testfile.cc (class Target_selector_test): Update for
5821         changes to Target_selector.
5822
5823         * README: Rewrite, with some notes on unsupported features.
5824
5825 2008-03-24  Cary Coutant  <ccoutant@google.com>
5826
5827         * i386.cc (Target_i386::Got_type): New enum declaration.
5828         (Target_i386::Scan::local): Updated callers of Output_data_got
5829         member functions.
5830         (Target_i386::Scan::global): Likewise.
5831         (Target_i386::Relocate::relocate): Likewise.
5832         (Target_i386::Relocate::relocate_tls): Likewise.
5833         * object.h (Got_offset_list): New class.
5834         (Sized_relobj::local_has_got_offset): Added got_type parameter.
5835         (Sized_relobj::local_got_offset): Likewise.
5836         (Sized_relobj::set_local_got_offset): Likewise.
5837         (Sized_relobj::local_has_tls_got_offset): Removed.
5838         (Sized_relobj::local_tls_got_offset): Removed.
5839         (Sized_relobj::set_local_tls_got_offset): Removed.
5840         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5841         * output.cc (Output_data_got::add_global): Added got_type parameter.
5842         (Output_data_got::add_global_with_rel): Likewise.
5843         (Output_data_got::add_global_with_rela): Likewise.
5844         (Output_data_got::add_global_pair_with_rel): New function.
5845         (Output_data_got::add_global_pair_with_rela): New function.
5846         (Output_data_got::add_local): Added got_type parameter.
5847         (Output_data_got::add_local_with_rel): Likewise.
5848         (Output_data_got::add_local_with_rela): Likewise.
5849         (Output_data_got::add_local_pair_with_rel): New function.
5850         (Output_data_got::add_local_pair_with_rela): New function.
5851         (Output_data_got::add_global_tls): Removed.
5852         (Output_data_got::add_global_tls_with_rel): Removed.
5853         (Output_data_got::add_global_tls_with_rela): Removed.
5854         (Output_data_got::add_local_tls): Removed.
5855         (Output_data_got::add_local_tls_with_rel): Removed.
5856         (Output_data_got::add_local_tls_with_rela): Removed.
5857         * output.h (Output_data_got::add_global): Added got_type parameter.
5858         (Output_data_got::add_global_with_rel): Likewise.
5859         (Output_data_got::add_global_with_rela): Likewise.
5860         (Output_data_got::add_global_pair_with_rel): New function.
5861         (Output_data_got::add_global_pair_with_rela): New function.
5862         (Output_data_got::add_local): Added got_type parameter.
5863         (Output_data_got::add_local_with_rel): Likewise.
5864         (Output_data_got::add_local_with_rela): Likewise.
5865         (Output_data_got::add_local_pair_with_rel): New function.
5866         (Output_data_got::add_local_pair_with_rela): New function.
5867         (Output_data_got::add_global_tls): Removed.
5868         (Output_data_got::add_global_tls_with_rel): Removed.
5869         (Output_data_got::add_global_tls_with_rela): Removed.
5870         (Output_data_got::add_local_tls): Removed.
5871         (Output_data_got::add_local_tls_with_rel): Removed.
5872         (Output_data_got::add_local_tls_with_rela): Removed.
5873         * resolve.cc (Symbol::override_base_with_special): Removed
5874         reference to has_got_offset_ field.
5875         * symtab.cc (Symbol::init_fields): Replaced initialization
5876         of got_offset_ with got_offsets_.  Removed initialization
5877         of has_got_offset_
5878         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5879         (Symbol::got_offset): Likewise.
5880         (Symbol::set_got_offset): Likewise.
5881         (Symbol::has_tls_got_offset): Removed.
5882         (Symbol::tls_got_offset): Removed.
5883         (Symbol::set_tls_got_offset): Removed.
5884         (Symbol::got_offset_): Removed.
5885         (Symbol::tls_mod_got_offset_): Removed.
5886         (Symbol::tls_pair_got_offset_): Removed.
5887         (Symbol::got_offsets_): New field.
5888         (Symbol::has_got_offset): Removed.
5889         (Symbol::has_tls_mod_got_offset): Removed.
5890         (Symbol::has_tls_pair_got_offset): Removed.
5891         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5892         (Target_x86_64::Scan::local): Updated callers of Output_data_got
5893         member functions.
5894         (Target_x86_64::Scan::global): Likewise.
5895         (Target_x86_64::Relocate::relocate): Likewise.
5896         (Target_x86_64::Relocate::relocate_tls): Likewise.
5897
5898 2008-03-25  Ben Elliston  <bje@au.ibm.com>
5899
5900         * yyscript.y: Fix spelling error in comment.
5901
5902 2008-03-24  Ian Lance Taylor  <iant@google.com>
5903
5904         * options.h (class General_options): Define build_id option.
5905         * layout.h (class Layout): Declare write_build_id, create_note,
5906         create_build_id.  Add build_id_note_ member.
5907         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5908         "libiberty.h", "md5.h", "sha1.h".
5909         (Layout::Layout): Initialize eh_frame_data_,
5910         eh_frame_hdr_section_, and build_id_note_.
5911         (Layout::finalize): Call create_build_id.
5912         (Layout::create_note): New function, broken out of
5913         Layout::create_gold_note.
5914         (Layout::create_gold_note): Call create_note.
5915         (Layout::create_build_id): New function.
5916         (Layout::write_build_id): New function.
5917         (Close_task_runner::run): Call write_build_id.
5918
5919         * x86_64.cc: Correct license to GPLv3.
5920
5921 2008-03-23  Ian Lance Taylor  <iant@google.com>
5922
5923         * options.cc: Include "demangle.h".
5924         (parse_optional_string): New function.
5925         (parse_long_option): Handle takes_optional_argument.
5926         (parse_short_option): Update dash_z initializer.  Handle
5927         takes_optional_argument.
5928         (General_options::General_options): Initialize do_demangle_.
5929         (General_options::finalize): Set do_demangle_.  Handle demangling
5930         style.
5931         * options.h (parse_optional_string): Declare.
5932         (struct One_option): Add optional_arg field.  Update constructor.
5933         Update call constructor calls.  Add takes_optional_argument
5934         function.
5935         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
5936         (DEFINE_optional_string): Define.
5937         (General_options::demangle): Change from DEFINE_bool to
5938         DEFINE_optional_string.
5939         (General_options::no_demangle): New function.
5940         (General_options::do_demangle): New function.
5941         (General_options::set_do_demangle): New function.
5942         (General_options::execstack_status_): Move definition to end of
5943         class definition.
5944         (General_options::static_): Likewise.
5945         (General_options::do_demangle_): New field.
5946         * object.cc (big_endian>::get_symbol_location_info): Call
5947         Options::do_demangle, not Options::demangle.
5948         * symtab.cc (demangle): Likewise.
5949
5950 2008-03-22  Ian Lance Taylor  <iant@google.com>
5951
5952         * gold.h: Include <cstddef> and <sys/types.h>
5953         * options.h: Include <cstring>.
5954
5955 2008-03-21  Ian Lance Taylor  <iant@google.com>
5956
5957         * Added source code to GNU binutils.