gold/ChangeLog

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