gold/ChangeLog

   1 2014-09-17  Han Shen  <shenhan@google.com>
   2             Jing Yu  <jingyu@google.com>
   3
   4         * aarch64-reloc.def: Add TLSGD_ADR_PAGE21, TLSGD_ADD_LO12_NC,
   5         TLSDESC_ADR_PAGE21, TLSDESC_LD64_LO12, TLSDESC_ADD_LO12, TLSDESC_CALL.
   6         * aarch64.cc (Target_aarch64): Add data members
   7         got_irelative_, got_tlsdesc_, rela_irelative_, got_mod_index_offset_,
   8         tlsdesc_reloc_info_, tls_base_symbol_defined_. Initialize them in
   9         constructor.
  10         (Target_aarch64::do_reloc_symbol_index): New method.
  11         (Target_aarch64::do_reloc_addend): New method.
  12         (Target_aarch64::add_tlsdesc_info): New method.
  13         (Target_aarch64::do_dynsym_value): New method.
  14         (Target_aarch64::do_make_data_plt): Add new parameters: got,
  15         got_irelative. Pass them to Output_data_plt_aarch64_standard.
  16         (Target_aarch64::make_data_plt): Add new parameters: got,
  17         got_irelative. Pass them to do_make_data_plt.
  18         (Target_aarch64::Relocate): Add skip_call_tls_get_addr_ variable.
  19         (Target_aarch64::Relocate:tls_gd_to_le): New method.
  20         (Target_aarch64::Relocate:tls_ie_to_le): New method.
  21         (Target_aarch64::Relocate:tls_desc_gd_to_le): New method.
  22         (Target_aarch64::Relocate:tls_desc_gd_to_ie): New method.
  23         (Target_aarch64::got_tlsdesc_section): New method.
  24         (Target_aarch64::make_local_ifunc_plt_entry): New method.
  25         (Target_aarch64::define_tls_base_symbol): New method.
  26         (Target_aarch64::reserve_tlsdesc_entries): New method.
  27         (Target_aarch64::got_mod_index_entry): New method.
  28         (Target_aarch64::rela_tlsdesc_section): New method.
  29         (Target_aarch64::rela_irelative_section): New method.
  30         (Target_aarch64::Tlsdesc_info): New struct.
  31         (Target_aarch64::got_section): Create .got.plt space for IRELATIVE
  32         relocations and tlsdesc relocations.
  33         (Target_aarch64::optimize_tls_reloc): Implement method.
  34         (Output_data_plt_aarch64): Add member variables: tlsdesc_rel_, got_,
  35         got_irelative_, irelative_count_, tlsdesc_got_offset_. Initialize them
  36         in constructor.
  37         (Output_data_plt_aarch64::reserve_tlsdesc_entry): New method.
  38         (Output_data_plt_aarch64::has_tlsdesc_entry): New method.
  39         (Output_data_plt_aarch64::get_tlsdesc_got_offset): New method.
  40         (Output_data_plt_aarch64::get_tlsdesc_plt_offset): New method.
  41         (Output_data_plt_aarch64::rela_tlsdesc): New method.
  42         (Output_data_plt_aarch64::rela_irelative): New method.
  43         (Output_data_plt_aarch64::entry_count): Count IRELATIVE relocations.
  44         (Output_data_plt_aarch64::first_plt_entry_offset): Add const attribute.
  45         (Output_data_plt_aarch64::get_plt_tlsdesc_entry_size): New method.
  46         (Output_data_plt_aarch64::fill_tlsdesc_entry): New method.
  47         (Output_data_plt_aarch64::do_get_plt_tlsdesc_entry_size): New method.
  48         (Output_data_plt_aarch64::do_fill_tlsdesc_entry): New method.
  49         (Output_data_plt_aarch64_standard): New member variables:
  50         plt_tlsdesc_entry_size, tlsdesc_plt_entry.
  51         (Output_data_plt_aarch64_standard::Output_data_plt_aarch64_standard):
  52         New parameter: got, got_irelative.
  53         (Output_data_plt_aarch64_standard::do_get_plt_entry_size): New method.
  54         (Output_data_plt_aarch64_standard::do_fill_tlsdesc_entry): New method.
  55         (Output_data_plt_aarch64::do_write): Replace got_address with
  56         gotplt_address. Add irelative_count_ to count. Write tlsdesc entry.
  57         (AArch64_relocate_functions::update_movnz): New method.
  58         (AArch64_relocate_functions): Correct format.
  59         (AArch64_relocate_functions::movnz): New method.
  60         (Target_aarch64::Scan::local): Correct format. Move r_sym, got to
  61         before the switch. Add new cases to switch.
  62         Check ie_to_le relaxation on tlsie relocations. Add code handling
  63         tlsgd tlsdesc cases.
  64         (Target_aarch64::Scan::global): Move arp to front. Do copy_reloc when
  65         needed. Add new cases to switch. Insert dynamic RELATIVE relocation
  66         when needed. Add code handling tlsgd, tlsie, tlsdesc cases.
  67         Call reloc_name_in_error_message to print unsupported reloc.
  68         (Target_aarch64::make_plt_section): Pass got_ and got_irelative_ to
  69         make_data_plt.
  70         (Target_aarch64::do_finalize_sections): Emit relocs to save COPY
  71         relocs. Fill in some more dynamic tags.
  72         (Target_aarch64::Relocate::relocate): Handle tlsgd, tlsdesc relocs.
  73         Skip call tls_get_addr when tlsgd is relaxed.
  74         (Target_aarch64::Relocate::relocate_tls): Correct format. Add code
  75         handling tlsgd, tlsdesc relocs, and tls gd->le, ie->le, tlsdesc->le,
  76         tlsdesc->ie relaxation.
  77
  78 2014-09-03  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
  79
  80         * mips.cc (Target_mips_nacl): New class.
  81         (Target_selector_mips_nacl): New class.
  82         (target_selector_mips32): Rename from target_selector_mips32be and use
  83         Target_selector_mips_nacl instead of Target_selector_mips.
  84         (target_selector_mips32el): Rename from target_selector_mips32 and use
  85         Target_selector_mips_nacl instead of Target_selector_mips.
  86         (target_selector_mips64): Rename from target_selector_mips64be and use
  87         Target_selector_mips_nacl instead of Target_selector_mips.
  88         (target_selector_mips64el): Rename from target_selector_mips64 and use
  89         Target_selector_mips_nacl instead of Target_selector_mips.
  90         (Target_mips::mips_info): Add const attribute.
  91
  92 2014-09-02  Cary Coutant  <ccoutant@google.com>
  93
  94         * dwp.cc (Sized_relobj_dwo::do_section_name): Add const attribute.
  95         * dynobj.h (Sized_dynobj::do_section_name): Likewise.
  96         * incremental.cc (Sized_relobj_incr::do_section_name): Likewise.
  97         (Sized_incr_dynobj::do_section_name): Likewise.
  98         * incremental.h (Sized_relobj_incr::do_section_name): Likewise.
  99         (Sized_incr_dynobj::do_section_name): Likewise.
 100         * object.h (Object::section_name): Likewise.
 101         (Object::do_section_name): Likewise.
 102         (Sized_relobj_file::do_section_name): Likewise.
 103         * plugin.cc (Sized_pluginobj::do_section_name): Likewise.
 104         * plugin.h (Sized_pluginobj::do_section_name): Likewise.
 105
 106 2014-09-02  Cary Coutant  <ccoutant@google.com>
 107
 108         PR gold/17005
 109         * ehframe.cc (Fde::write): Add output_offset parameter.
 110         (Cie::write): Likewise.
 111         (Eh_frame::set_final_data_size): Account for offset within output
 112         section.
 113         (Eh_frame::do_sized_write): Likewise.
 114         * ehframe.h (Fde::write): Add output_offset parameter.
 115         (Cie::write): Likewise.
 116         * output.cc (Output_section::Input_section_sort_entry): Remove
 117         section_has_name_; add output_section_name parameter. Use
 118         output section name for non-input sections.
 119         (Output_section::Input_section_sort_entry::section_has_name): Remove.
 120         (Output_section::Input_section_sort_entry::section_has_name_): Remove.
 121         (Output_section::Input_section_sort_compare): Remove logic for
 122         sections without names.
 123         (Output_section::Input_section_sort_init_fini_compare): Likewise.
 124         (Output_section::Input_section_sort_section_prefix_special_ordering_compare):
 125         Likewise.
 126         (Output_section::Input_section_sort_section_name_compare): Likewise.
 127
 128 2014-08-29 Han Shen <shenhan@google.com>
 129            Jing Yu <jingyu@google.com>
 130
 131         * aarch64-reloc-property.cc
 132         (AArch64_reloc_property_table::reloc_name_in_error_message): Fix bug in
 133         reference reloc property in the table.
 134         * aarch64-reloc.def: Add TLSLE reloc types and fix some errors in
 135         3 other entries.
 136         * aarch64.cc: (Output_data_got_aarch64::add_static_reloc):
 137         2 new overloaded methods.
 138         (Output_data_got_aarch64::do_write): Add code to write out
 139         static relocs.
 140         (class Output_data_got_aarch64::Static_reloc): New class to wrap
 141         static relocs.
 142         (Output_data_got_aarch64::static_relocs): New vector to
 143         hold static relocs.
 144         (Target_aarch64::TCB_SIZE): New const static memeber.
 145         (Target_aarch64::tcb_size): New method.
 146         (Target_aarch64::Relocate::relocate): Add code handling new reloc types.
 147         (Target_aarch64::Relocate::relocate_tls): New method.
 148         (Target_aarch64::Scan::local): Add code handling new reloc types.
 149         (Target_aarch64::Scan::global): Add code handling new reloc types.
 150
 151 2014-08-13  Sriraman Tallam  <tmsriram@google.com>
 152
 153         * options.h (-no-pie): Add option.
 154
 155 2014-08-08  Jing Yu  <jingyu@google.com>
 156             Han Shen  <shenhan@google.com>
 157
 158         * Makefile.am (HFILES): Add aarch64-reloc-property.h.
 159         (DEFFILES): add aarch64-reloc.def.
 160         (TARGETSOURCES): Add aarch64-reloc-property.cc.
 161         (ALL_TARGETOBJS): Add aarch64-reloc-property.$(OBJEXT).
 162         * Makefile.in: Regenerate.
 163         * aarch64-reloc-property.cc: New file.
 164         * aarch64-reloc-property.h: New file.
 165         * aarch64-reloc.def: New file.
 166         * aarch64.cc: Include aarch64-reloc-property.h. Replace spaces
 167         with tab to make the format consistent.
 168         (Output_data_got_aarch64::symbol_table_): New method.
 169         (Target_aarch64::do_plt_address_for_global): New method.
 170         (Target_aarch64::do_plt_address_for_local): New method.
 171         (Target_aarch64::do_select_as_default_target): New method.
 172         (Target_aarch64::do_make_data_plt): New method.
 173         (Target_aarch64::make_data_plt): New method.
 174         (Output_data_plt_aarch64::has_irelative_section): New method.
 175         (Output_data_plt_aarch64::address_for_global): New method.
 176         (Output_data_plt_aarch64::address_for_local): New method.
 177         (Output_data_plt_aarch64::irelative_rel_): New parameter.
 178         (Output_data_plt_aarch64::add_entry): Implement contents.
 179         (Output_data_plt_aarch64::set_final_data_size): Fix typo.
 180         (Output_data_plt_aarch64::do_write): Remove useless got_base. Set
 181         the got_pov entry to plt0.
 182         (Output_data_plt_aarch64_standard::do_fill_first_plt_entry):
 183         Implement contents.
 184         (Output_data_plt_aarch64_standard::do_fill_plt_entry): Implement.
 185         (AArch64_howto): New struct.
 186         (aarch64_howto[]): New static const array.
 187         (AArch64_relocate_functions): New class.
 188         (Target_aarch64::Scan::get_reference_flags): Remove method.
 189         (Target_aarch64::Scan::local): Implement to support a few relocations.
 190         (Target_aarch64::Scan::global): Implement to support a few relocations.
 191         (Target_aarch64::make_plt_section): Implement contents.
 192         (Target_aarch64::make_plt_entry): Implement contents.
 193         (Target_aarch64::do_finalize_sections): Implement contents.
 194         (Target_aarch64::Relocate::relocate): Implement a few relocations.
 195         (Target_aarch64::relocate_section): Implement contents.
 196
 197 2014-08-06  Alan Modra  <amodra@gmail.com>
 198
 199         * testsuite/defsym_test.sh: Allow ppc64le localentry annotation.
 200
 201 2014-08-06  Alan Modra  <amodra@gmail.com>
 202
 203         PR 13227
 204         * symtab.cc (Symbol_table::add_from_relobj): Warn on __gnu_lto_slim.
 205
 206 2014-07-21  Sriraman Tallam  <tmsriram@google.com>
 207
 208         * object.cc (Relobj::is_section_name_included): Add
 209         ".rodata.nptl_version" to not garbage collect this section.
 210
 211 2014-07-08  Cary Coutant  <ccoutant@google.com>
 212
 213         * expression.cc (struct Expression::Expression_eval_info): Add
 214         new fields type_pointer, vis_pointer, and nonvis_pointer.
 215         (Expression::eval_maybe_dot): Add type_pointer, vis_pointer, and
 216         nonvis_pointer parameters. Adjust all calls.
 217         (Symbol_expression::value): Update type, visibility, and nonvis bits
 218         in caller.
 219         * script.cc (Symbol_assignment::sized_finalize): Update type,
 220         visibility, and remaining st_other bits for new symbol.
 221         * script.h: (Expression::eval_maybe_dot): Add type_pointer,
 222         vis_pointer, and nonvis_pointer parameters.
 223         * symtab.h (Symbol::set_type): New method.
 224
 225         * testsuite/Makefile.am (defsym_test): New test.
 226         * testsuite/Makefile.in: Regenerate.
 227         * testsuite/defsym_test.c: New file.
 228         * testsuite/defsym_test.sh: New file.
 229
 230 2014-07-08  Cary Coutant  <ccoutant@google.com>
 231
 232         PR gold/15639
 233         * dynobj.h (Sized_dynobj::base_read_symbols): New method.
 234         * dynobj.cc (Sized_dynobj::do_read_symbols): Move body to...
 235         (Sized_dynobj::base_read_symbols): ...new method.
 236         * object.h (Sized_relobj_file::base_read_symbols): New method.
 237         * object.cc (Sized_relobj_file::do_read_symbols): Move body to...
 238         (Sized_relobj_file::base_read_symbols): ...new method.
 239         * arm.cc (Arm_relobj::do_read_symbols): Call base_read_symbols.
 240         * mips.cc: (Mips_relobj::do_read_symbols): Likewise.
 241         * powerpc.cc (Powerpc_dynobj::do_read_symbols): Likewise.
 242
 243 2014-07-04  Alan Modra  <amodra@gmail.com>
 244
 245         * po/POTFILES.in: Regenerate.
 246
 247 2014-07-02  Jing Yu  <jingyu@google.com>
 248
 249         * aarch64.cc: New file
 250         * Makefile.am (TARGETSOURCES): Add aarch64.cc
 251         (ALL_TARGETOBJS): Add aarch64.$(OBJEXT)
 252         * Makefile.in: Regenerate.
 253         * configure.tgt: Add entries for aarch64*.
 254         * configure.ac:  Likewise.
 255         * configure: Likewise.
 256
 257 2014-06-27  Alan Modra  <amodra@gmail.com>
 258
 259         * symtab.cc (Symbol::should_add_dynsym_entry): Don't make inline.
 260
 261 2014-06-24  Cary Coutant  <ccoutant@google.com>
 262
 263         * dwp.cc (Dwo_file::read): Allow files with no .debug_types
 264         sections.
 265         (Dwo_file::sized_read_unit_index): Likewise.
 266
 267 2014-06-23  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 268
 269         * mips.cc: New file.
 270         * Makefile.am (TARGETSOURCES): Add mips.cc
 271         (ALL_TARGETOBJS): Add mips.$(OBJEXT)
 272         * configure.tgt: Add entries for mips*.
 273         * configure.ac: Likewise.
 274         * Makefile.in: Regenerate.
 275         * configure: Likewise.
 276
 277 2014-06-09  Cary Coutant  <ccoutant@google.com>
 278
 279         * dwarf_reader.cc (Dwarf_pubnames_table::read_header): Check that
 280         unit_length is within section bounds.
 281
 282 2014-06-09  Cary Coutant  <ccoutant@google.com>
 283
 284         PR gold/16980
 285         * layout.cc (Layout::print_to_mapfile): Print unattached sections in
 286         map.
 287
 288 2014-06-07  Alan Modra  <amodra@gmail.com>
 289
 290         * powerpc.cc (relocate): Treat field of cmpli insn as a bitfield.
 291
 292 2014-06-06  Cary Coutant  <ccoutant@google.com>
 293
 294         * dwarf_reader.h (Dwarf_pubnames_table): Remove output_section_offset_.
 295         * dwarf_reader.cc (Dwarf_pubnames_table::read_section): Likewise.
 296         (Dwarf_pubnames_table::read_header): Likewise.
 297         * layout.cc (gdb_fast_lookup_sections): Add .debug_gnu_pubnames and
 298         .debug_gnu_pubtypes.
 299
 300 2014-06-05  Joel Brobecker  <brobecker@adacore.com>
 301
 302         * Makefile.am (CONFIG_STATUS_DEPENDENCIES): New.
 303         * Makefile.in, configure: Regenerate.
 304
 305 2014-06-03  Alan Modra  <amodra@gmail.com>
 306
 307         * powerpc.cc (addis_12_2): Define.
 308         (Stub_table::do_write): Support fusion on ELFv2 stubs.
 309
 310 2014-06-03  Alan Modra  <amodra@gmail.com>
 311
 312         * testsuite/plugin_test.c (parse_readelf_line): Skip non-visibility
 313         st_other output.
 314
 315 2014-06-02  Alan Modra  <amodra@gmail.com>
 316
 317         * powerpc.cc (Target_powerpc::local_reloc_may_be_function_pointer):
 318         Only ignore relocs on ELFv1.
 319         (Target_powerpc::global_reloc_may_be_function_pointer): Likewise.
 320
 321 2014-05-30  Cary Coutant  <ccoutant@google.com>
 322
 323         * testsuite/Makefile.am (ehdr_start_test_4): Fix typo in -B option.
 324         * testsuite/Makefile.in: Regenerate.
 325         * testsuite/ehdr_start_test_4.sh: Look for "U" instead of "w".
 326
 327 2014-05-27  H.J. Lu  <hongjiu.lu@intel.com>
 328
 329         PR gold/16945
 330         * x86_64.cc (Target_x86_64::Relocate::relocate): Use signed int
 331         for got_offset.  Properly get GOT address for R_X86_64_PLTOFF64.
 332
 333 2014-05-15  Alan Modra  <amodra@gmail.com>
 334
 335         * powerpc.cc (do_plt_fde_location): Handle zero length .glink.
 336         Compare FDE contents with DW_CFA_nop rather than 0.
 337
 338 2014-05-13  Sriraman Tallam  <tmsriram@google.com>
 339
 340         * symtab.h (may_need_copy_reloc): Remove check for position independent
 341         code.
 342         * x86_64.cc (Target_x86_64<size>::Scan::global): Add check for no
 343         position independence before pc absolute may_need_copy_reloc call.
 344         Add check for executable output befor pc relative may_need_copy_reloc
 345         call.
 346         * i386.cc: Ditto.
 347         * arm.cc: Ditto.
 348         * sparc.cc: Ditto.
 349         * tilegx.cc: Ditto.
 350         * powerpc.cc: Add check for no position independence before
 351         may_need_copy_reloc calls.
 352         * testsuite/pie_copyrelocs_test.cc: New file.
 353         * testsuite/pie_copyrelocs_shared_test.cc: New file.
 354         * Makefile.am (pie_copyrelocs_test): New test.
 355         * Makefile.in: Regenerate.
 356
 357 2014-05-08  Martin Liška  <mliska@suse.cz>
 358
 359         * output.cc (Sized_relobj_file::do_layout): Fix typo in info message.
 360
 361 2014-05-06  Cary Coutant  <ccoutant@google.com>
 362
 363         PR gold/16900
 364         * i386.cc (Output_data_got_plt_i386): New class.
 365         (Output_data_plt_i386::Output_data_plt_i386): Change type of got_plt
 366         parameter. Change all callers.
 367         (Output_data_plt_i386::layout_): Remove.
 368         (Output_data_plt_i386::got_plt_): Change type.
 369         (Target_i386::got_plt_): Change type. Change all references.
 370         (Target_i386::got_section): Create instance of new class.
 371         (Output_data_got_plt_i386::do_write): New function.
 372         * x86_64.cc (Output_data_got_plt_x86_64): New class.
 373         (Output_data_plt_x86_64::Output_data_plt_x86_64): Change type of got_plt
 374         parameter. Change all callers.
 375         (Output_data_plt_x86_64::layout_): Remove.
 376         (Output_data_plt_x86_64::got_plt_): Change type.
 377         (Target_x86_64::got_plt_): Change type. Change all references.
 378         (Target_x86_64::got_section): Create instance of new class.
 379         (Output_data_got_plt_x86_64::do_write): New function.
 380         (Output_data_plt_x86_64::do_write): Don't write reserved words in GOT.
 381         (Target_x86_64<size>::init_got_plt_for_update): Create instance of new
 382         class.
 383
 384 2014-05-05  Cary Coutant  <ccoutant@google.com>
 385
 386         * gdb-index.cc (Gdb_index_info_reader): Don't complain about language
 387         if we have pubnames/pubtypes.
 388
 389 2014-05-02  Cary Coutant  <ccoutant@google.com>
 390
 391         * defstd.cc (in_segment): Define __ehdr_start here...
 392         * layout.cc (Layout::finalize): ...Instead of here.  Set the
 393         output segment when known.
 394         * resolve.cc (Symbol::override_base_with_special): Remember
 395         the original binding.
 396         * symtab.cc (Symbol::set_output_segment): New function.
 397         (Symbol::set_undefined): New function.
 398         * symtab.h (Symbol::is_weak_undefined): Check original undef
 399         binding.
 400         (Symbol::is_strong_undefined): New function.
 401         (Symbol::set_output_segment): New function.
 402         (Symbol::set_undefined): New function.
 403         * target-reloc.h (is_strong_undefined): Remove.
 404         (issue_undefined_symbol_error): Call Symbol::is_weak_undefined.
 405         Check for hidden undefs.
 406         (relocate_section): Call Symbol::is_strong_undefined.
 407
 408         * testsuite/Makefile.am (ehdr_start_test_1)
 409         (ehdr_start_test_2, ehdr_start_test_3)
 410         (ehdr_start_test_4, ehdr_start_test_5): New test cases.
 411         * testsuite/Makefile.in: Regenerate.
 412         * testsuite/ehdr_start_def.cc: New source file.
 413         * testsuite/ehdr_start_test.cc: New source file.
 414         * testsuite/ehdr_start_test.t: New linker script.
 415         * testsuite/ehdr_start_test_4.sh: New shell script.
 416
 417 2014-04-23  Cary Coutant  <ccoutant@google.com>
 418
 419         PR gold/16870
 420         * x86_64.cc (Target_x86_64::Relocate::relocate): Add missing break.
 421
 422 2014-04-15  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 423
 424         * layout.cc (Layout::include_section): Allow a target to decide
 425         whether to include a section.
 426         * target.h (Target::should_include_section): New function.
 427         (Target::do_should_include_section): New function.
 428
 429 2014-04-15  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 430
 431         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Remove and
 432         inline into ...
 433         (Copy_relocs::emit): ... here.
 434         * copy-relocs.h (Copy_reloc_entry): Change from class to struct.
 435         (Copy_reloc_entry::make_copy_reloc): Change from private to protected.
 436         (Copy_reloc_entry::entries_): Change from private to protected.
 437
 438 2014-04-02  Sriraman Tallam  <tmsriram@google.com>
 439
 440         * icf.cc (get_section_contents): Replace copies of reloc
 441         vectors with const references.
 442
 443 2014-04-02  Cary Coutant  <ccoutant@google.com>
 444
 445         * configure.ac (HAVE_PUBNAMES): Use C instead of C++.
 446         (HAVE_NO_USE_LINKER_PLUGIN): Check for -fno-use-linker-plugin.
 447         * configure: Regenerate.
 448         * testsuite/Makefile.am (OPT_NO_PLUGINS): New macro for
 449         -fno-use-linker-plugin.
 450         (LINK1, CXXLINK1): Add it to the link command.
 451         * testsuite/Makefile.in: Regenerate.
 452
 453 2014-03-12  Alan Modra  <amodra@gmail.com>
 454
 455         * Makefile.in: Regenerate.
 456
 457 2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 458
 459         * symtab.h (Symbol::set_nonvis): New function.
 460
 461 2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 462
 463         * symtab.cc (Sized_symbol<32>::init_output_data):
 464         Instantiate the template.
 465         (Sized_symbol<64>::init_output_data): Likewise.
 466
 467 2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 468
 469         * symtab.cc (Symbol_table::sized_write_globals): Allow a target to
 470         adjust dynamic symbol value.
 471         * target.h (Target::adjust_dyn_symbol): New function.
 472         (Target::do_adjust_dyn_symbol): New function.
 473
 474 2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 475
 476         * output.cc (Output_data_dynamic::Dynamic_entry::write):
 477         Get the value of DYNAMIC_CUSTOM dynamic entry.
 478         * output.h (Output_data_dynamic::add_custom): New function.
 479         (Dynamic_entry::Dynamic_entry): New constructor for DYNAMIC_CUSTOM
 480         dynamic entry.
 481         (enum Dynamic_entry::Classification): Add DYNAMIC_CUSTOM.
 482         * target.h (Target::dynamic_tag_custom_value): New function.
 483         (Target::do_dynamic_tag_custom_value): New function.
 484
 485 2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 486
 487         * symtab.cc (Symbol_table::set_dynsym_indexes): Allow a target to set
 488         dynsym indexes.
 489         * target.h (Target::has_custom_set_dynsym_indexes): New function.
 490         (Target::do_has_custom_set_dynsym_indexes): New function.
 491         (Target::set_dynsym_indexes): New function.
 492         (Target::do_set_dynsym_indexes): New function.
 493
 494 2014-03-07  Alan Modra  <amodra@gmail.com>
 495
 496         * powerpc.cc (Powerpc_relocate_functions::Overflow_check): Add
 497         CHECK_UNSIGNED, CHECK_LOW_INSN, CHECK_HIGH_INSN.
 498         (Powerpc_relocate_functions::has_overflow_unsigned): New function.
 499         (Powerpc_relocate_functions::has_overflow_bitfield,
 500         overflowed): Use the above.
 501         (Target_powerpc::Relocate::relocate): Correct overflow checking
 502         for a number of relocations.  Modify overflow test for 16-bit
 503         fields in instructions to signed/unsigned according to whether
 504         the field takes a signed or unsigned value.
 505
 506 2014-03-05  Alan Modra  <amodra@gmail.com>
 507
 508         Update copyright years.
 509
 510 2014-03-05  Alan Modra  <amodra@gmail.com>
 511
 512         * powerpc.cc (Target_powerpc::Scan::local, global): Support
 513         R_PPC64_ADDR64_LOCAL.
 514         (Target_powerpc::Relocate::relocate): Likewise.
 515
 516 2014-03-03  Alan Modra  <amodra@gmail.com>
 517
 518         * dwp.cc (print_version): Update copyright year to current.
 519
 520 2014-02-10  Alan Modra  <amodra@gmail.com>
 521
 522         * po/gold.pot: Regenerate.
 523
 524 2014-02-06  Cary Coutant  <ccoutant@google.com>
 525
 526         Fix problem where -u is ignored when a weak undef is seen.
 527
 528         * archive.cc (Library_base::should_include_member): Reorder
 529         code to check for -u option if a weak undef has already been seen.
 530         * testsuite/Makefile.am (weak_undef_test_2): New test case.
 531         * testsuite/Makefile.in: Regenerate.
 532         * testsuite/weak_undef_file3.cc: New file.
 533         * testsuite/weak_undef_file4.cc: New file.
 534         * testsuite/weak_undef_test_2.cc: New file.
 535
 536 2014-02-05  Cary Coutant  <ccoutant@google.com>
 537
 538         Fix issues with gold undefined symbol diagnostics.
 539
 540         PR binutils/15435
 541         * errors.cc (Errors::undefined_symbol): Move undef vtable symbol
 542         check to here.
 543         * target-reloc.h (is_strong_undefined): New function.
 544         (relocate_section): Move undef vtable symbol check from here.
 545         Check for is_strong_undefined.
 546
 547 2014-02-05  Cary Coutant  <ccoutant@google.com>
 548
 549         Fix problems with the --dynamic-list option.
 550
 551         PR gold/13577
 552         * options.cc (General_options::parse_dynamic_list):
 553         Set have_dynamic_list_.
 554         (General_options::General_options): Initialize have_dynamic_list_.
 555         (General_options::finalize): Turn off -Bsymbolic and
 556         -Bsymbolic-functions if --dynamic-list provided.
 557         * options.h (General_options::have_dynamic_list): New function.
 558         (General_options::have_dynamic_list_): New data member.
 559         * symtab.h (Symbol::is_preemptible): Handle --dynamic-list
 560         correctly.
 561
 562         PR gold/16530
 563         * symtab.cc (Symbol_table::add_from_relobj): If symbol is named
 564         in --dynamic-list, mark it.
 565
 566         * testsuite/Makefile.am (gc_dynamic_list_test.sh): New test case.
 567         (dynamic_list_2): New test case.
 568         * testsuite/Makefile.in: Regenerate.
 569         * testsuite/dynamic_list_2.cc: New file.
 570         * testsuite/dynamic_list_2.t: New file.
 571         * testsuite/dynamic_list_lib1.cc: New file.
 572         * testsuite/dynamic_list_lib2.cc: New file.
 573         * testsuite/gc_dynamic_list_test.c: New file.
 574         * testsuite/gc_dynamic_list_test.sh: New file.
 575         * testsuite/gc_dynamic_list_test.t: New file.
 576
 577 2014-01-28  Cary Coutant  <ccoutant@google.com>
 578
 579         Add .gdb_index version 7 support.
 580
 581         * gold/dwarf_reader.cc: include <utility> (for make_pair).
 582         (Dwarf_abbrev_table::do_read_abbrevs): Check for compressed
 583         debug sections.
 584         (Dwarf_ranges_table::read_ranges_table): Likewise.
 585         (Dwarf_pubnames_table::read_section): Check for GNU-style
 586         sections, and for compressed debug sections.
 587         (Dwarf_pubnames_table::read_header): Compute end address of table.
 588         (Dwarf_pubnames_table::next_name): Return flag_byte.  Check
 589         for end of list by offset, not by offset == 0.
 590         (Dwarf_info_reader::do_read_string_table): Check for compressed
 591         debug sections.
 592         * gold/dwarf_reader.h (Dwarf_pubnames_table::Dwarf_pubnames_table):
 593         Initialize new data members.
 594         (Dwarf_pubnames_table::next_name): return flag_byte.
 595         (Dwarf_pubnames_table::end_of_table_): New data member.
 596         (Dwarf_pubnames_table::is_gnu_style_): New data member.
 597         * gold/gdb-index.cc (gdb_index_version): Update to version 7.
 598         (Gdb_index_info_reader::read_pubtable): Read flag_byte.
 599         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Don't
 600         read skeleton type unit DIEs.
 601         (Gdb_index::add_symbol): Add flag_byte; adjust all callers.
 602         (Gdb_index::do_write): Write flag_byte.
 603         * gold/gdb-index.h (Gdb_index::add_symbol): Add flags parameter.
 604         (Gdb_index::Cu_vector): Store flags along with cu indexes.
 605         * gold/testsuite/gdb_index_test_3.sh: Allow versions 4-7.
 606         * gold/testsuite/gdb_index_test_comm.sh: Likewise.
 607
 608 2014-01-08  H.J. Lu  <hongjiu.lu@intel.com>
 609
 610         * version.cc (print_version): Update copyright year to 2014.
 611
 612 2013-12-19  Dimitry Andric  <dimitry@andric.com>
 613
 614         * stringpool.cc (Stringpool_template::reserve): Add
 615         HAVE_UNORDERED_MAP case.
 616         * stringpool.cc (Stringpool_template::print_stats): Likewise.
 617
 618 2013-12-18  Cary Coutant  <ccoutant@google.com>
 619
 620         * configure.ac: Check for <unordered_set> and <unordered_map>.
 621         * config.in: Regenerate.
 622         * configure: Regenerate.
 623         * system.h: Use <unordered_set> and <unordered_map> if available.
 624
 625 2013-12-10  Roland McGrath  <mcgrathr@google.com>
 626
 627         * Makefile.am (install-exec-local): Prefix $(INSTALL_PROGRAM) uses
 628         with $(INSTALL_PROGRAM_ENV).
 629         * Makefile.in: Regenerate.
 630
 631 2013-11-22  Cary Coutant  <ccoutant@google.com>
 632
 633         * configure.ac: Add check for which library is needed for
 634         dlopen.
 635         * configure: Regenerate.
 636
 637 2013-11-22  Cary Coutant  <ccoutant@google.com>
 638
 639         * testsuite/Makefile.am (exception_x86_64_bnd_test): Use in-tree
 640         assembler.
 641         * testsuite/Makefile.in: Regenerate.
 642
 643 2013-11-17  H.J. Lu  <hongjiu.lu@intel.com>
 644
 645         * x86_64.cc (Target_x86_64<size>::Scan::get_reference_flags):
 646         Handle R_X86_64_PC32_BND and R_X86_64_PLT32_BND just like
 647         R_X86_64_PC32 and R_X86_64_PLT32, respectively.
 648         (Target_x86_64<size>::Scan::local): Likewise.
 649         (Target_x86_64<size>::Scan::global): Likewise.
 650         (Target_x86_64<size>::Relocate::relocate): Likewise.
 651         (Target_x86_64<size>::Relocatable_size_for_reloc::get_size_for_reloc):
 652         Likewise.
 653         (Target_x86_64<size>::Scan::check_non_pic(): Handle
 654         R_X86_64_PC32_BND.
 655
 656         * testsuite/Makefile.am (check_PROGRAMS): Add
 657         exception_x86_64_bnd_test.
 658         (exception_x86_64_bnd_test_SOURCES): New macro.
 659         (exception_x86_64_bnd_test_DEPENDENCIES): Likewise.
 660         (exception_x86_64_bnd_test_LDFLAGS): Likewise.
 661         (exception_x86_64_bnd_test_LDADD): Likewise.
 662         (exception_x86_64_bnd_1.o): New rule.
 663         (exception_x86_64_bnd_2.o): Likewise.
 664         * testsuite/Makefile.in: Regenerated.
 665
 666 2013-11-15  Alan Modra  <amodra@gmail.com>
 667
 668         * powerpc.cc (Target_powerpc::glink_section): Provide non-const
 669         accessor.
 670         (Target_powerpc::Branch_info::make_stub): Make global entry stubs.
 671         Only call ppc64_local_entry_offset for 64-bit.  Restrict
 672         symval_for_branch lookup to ELFv1.
 673         (Stub_table::add_plt_call_entry): Use unsigned int off.
 674         (Output_data_glink::Address, invalid_address): New.
 675         (Output_data_glink::add_eh_frame): Move out of line.  Add
 676         support for ELFv2.
 677         (Output_data_glink::add_global_entry, find_global_entry,
 678         global_entry_address): New functions.
 679         (Output_data_glink::global_entry_stubs_, end_branch_table_,
 680         ge_size): New variables.
 681         (Output_data_glink::set_final_data_size): Add global entry
 682         stub sizing.
 683         (Output_data_glink::do_write): Write global entry stubs.
 684         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Add target
 685         parameter.  Return true for ELFv2.  Adjust callers.
 686         (Target_powerpc::Scan::local, global): Restrict opd lookup to
 687         ELFv1.  Similarly for ifunc and dynamic relocation processing
 688         specific to ELFv1.  Recognize that symbols are defined on
 689         their plt entries for ELFv2.
 690         (Target_powerpc::symval_for_branch): Assert if called for
 691         ELFv2 or ppc32.
 692         (Target_powerpc::Relocate::relocate): Use global entry plt
 693         stub for symbol value if such exists on ELFv2.
 694         (Target_powerpc::Relocate::relocate): Don't call
 695         symval_for_branch when ELFv2.  Do adjust for local entry
 696         offset when ELFv2.
 697         (Target_powerpc::do_dynsym_value): Set symbols to global entry
 698         plt stub for ELFv2.
 699         (Target_powerpc::do_plt_address_for_global): Similarly.
 700
 701 2013-11-14  Cary Coutant  <ccoutant@google.com>
 702
 703         Revert patch -- this did not fix the problem, and there is
 704         no race there.
 705
 706         2013-11-14  Cary Coutant  <ccoutant@google.com>
 707
 708             PR gold/14860
 709             * ehframe.cc (Eh_frame_hdr::Eh_frame_hdr): Initialize lock_.
 710             (Ehframe_hdr::set_final_data_size): Allocate a Lock.
 711             * ehframe.h (Eh_frame_hdr::record_fde): Hold the lock while
 712             updating fde_offsets_.
 713             (Eh_frame_hdr::lock_): New data member.
 714
 715 2013-11-14  Cary Coutant  <ccoutant@google.com>
 716
 717         * dwp.cc (Dwo_file_entry): New type.
 718         (File_list): Use Dwo_file_entry.
 719         (Dwo_file::verify): New function.
 720         (Dwo_file::verify_dwo_list): New function.
 721         (Dwo_file::sized_verify_dwo_list): New function.
 722         (Dwo_name_info_reader::visit_compilation_unit): Add dwo_id to file
 723         list.
 724         (Dwp_options): New enum type.
 725         (dwp_options): Add --verify-only.
 726         (usage): Likewise.
 727         (main): Likewise.
 728         * dwp.h (gold_info): Add declaration.
 729
 730 2013-11-14  Cary Coutant  <ccoutant@google.com>
 731
 732         PR gold/14860
 733         * ehframe.cc (Eh_frame_hdr::Eh_frame_hdr): Initialize lock_.
 734         (Ehframe_hdr::set_final_data_size): Allocate a Lock.
 735         * ehframe.h (Eh_frame_hdr::record_fde): Hold the lock while
 736         updating fde_offsets_.
 737         (Eh_frame_hdr::lock_): New data member.
 738
 739 2013-11-06  Cary Coutant  <ccoutant@google.com>
 740
 741         PR gold/15758
 742         * object.cc (Sized_relobj_file::do_layout): Handle .eh_frame sections
 743         before reloc sections.
 744
 745 2013-11-04  Alan Modra  <amodra@gmail.com>
 746
 747         * symtab.h (Symbol::Reference_flags): Add FUNC_DESC_ABI.
 748         (Symbol::needs_dynamic_reloc): Test new flag.
 749         * powerpc.cc (needs_dynamic_reloc, use_plt_offset): Delete.
 750         (Target_powerpc::Scan::get_reference_flags): Add target param.
 751         Return FUNC_DESC_ABI for 64-bit ELFv1.
 752         (Target_powerpc::Branch_info::make_stub): Adjust get_reference_flags
 753         call.
 754         (Target_powerpc::Scan::global): Use Symbol::needs_dynamic_reloc.
 755         (Target_powerpc::Relocate::relocate): Use Symbol::use_plt_offset.
 756
 757 2013-10-31  Cary Coutant  <ccoutant@google.com>
 758
 759         Restore support for dwp v2 DWARF package file format.
 760
 761         * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
 762         tu_length parameter.  Adjust all callers.
 763         * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
 764         * dwp.cc: Include dwarf.h.
 765         (Section_bounds): New struct type.
 766         (Unit_set): New struct type.
 767         (Dwo_file::Dwo_file): Initialize new data member.
 768         (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
 769         Combine and rename to...
 770         (Dwo_file::read_unit_index): ...this.
 771         (Dwo_file::sized_read_compunit_index)
 772         (Dwo_file::sized_read_typeunit_index): Combine and rename to...
 773         (Dwo_file::sized_read_unit_index): ...this.
 774         (Dwo_file::copy_section): Remove section_name, is_str_offsets
 775         parameters; add section_id parameter.
 776         (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
 777         (Dwo_file::add_unit_set): ...this.
 778         (Dwo_file::shndx_map_): Remove.
 779         (Dwo_file::sect_offsets_): New data member.
 780         (Dwp_output_file::Dwp_output_file): Initialize new data members.
 781         (Dwp_output_file::add_section): Rename to...
 782         (Dwp_output_file::add_contribution): ...this.
 783         (Dwp_output_file::add_cu_set): Combine parameters into a struct.
 784         (Dwp_output_file::add_tu_set): Likewise.
 785         (Dwp_output_file::Contribution): New type.
 786         (Dwp_output_file::Section::contributions): New data member.
 787         (Dwp_output_file::Cu_or_tu_set): Remove.
 788         (Dwp_output_file::Section::Section): New ctor.
 789         (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
 790         (Dwp_output_file::Dwp_index::Section_table): New type.
 791         (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
 792         (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
 793         parameter.
 794         (Dwp_output_file::Dwp_index::shndx_pool): Remove.
 795         (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
 796         (Dwp_output_file::Dwp_index::section_table): New member function.
 797         (Dwp_output_file::Dwp_index::section_table_end): New member function.
 798         (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
 799         (Dwp_output_file::Dwp_index::section_table_rows): New member function.
 800         (Dwp_output_file::Dwp_index::section_table_cols): New member function.
 801         (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
 802         (Dwp_output_file::Dwp_index::section_table_): New data member.
 803         (Dwp_output_file::Dwp_index::section_mask_): New data member.
 804         (Dwp_output_file::add_output_section): New member function.
 805         (Dwp_output_file::write_new_section): New member function.
 806         (Dwp_output_file::write_contributions): New member function.
 807         (Dwp_output_file::section_id_map_): New data member.
 808         (class Dwo_id_info_reader): Remove.
 809         (class Unit_reader): New class.
 810         (get_dwarf_section_name): New function.
 811         (Dwo_file::read_executable): Adjust initializations of class data.
 812         (Dwo_file::read): Add support for v2 package file format.
 813         (Dwo_file::read_unit_index): Likewise.
 814         (Dwo_file::sized_read_unit_index): Likewise.
 815         (Dwo_file::copy_section): Likewise.
 816         (Dwo_file::add_unit_set): Likewise.
 817         (Dwp_output_file::add_output_section): Likewise.
 818         (Dwp_output_file::add_contribution): Likewise.
 819         (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
 820         for empty slot.
 821         (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
 822         file format.
 823         (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
 824         slot.
 825         (Dwp_output_file::initialize): Remove unused function.
 826         (Dwp_output_file::finalize): Add support for v2 package file format.
 827         (Dwp_output_file::write_index): Likewise.
 828         * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
 829         function prototype.
 830
 831 2013-10-31  Cary Coutant  <ccoutant@google.com>
 832
 833         * configure.ac: Fix check for -fmerge-constants.
 834         * configure.ac: Regenerate.
 835
 836 2013-10-30  Roland McGrath  <mcgrathr@google.com>
 837
 838         * x86_64.cc (Output_data_plt_x86_64_nacl::first_plt_entry):
 839         Correct 9-byte nop sequence to match what the assembler generates.
 840
 841 2013-10-30  Alan Modra  <amodra@gmail.com>
 842
 843         * powerpc.cc (Powerpc_relobj::abiversion, set_abiversion,
 844         ppc64_local_entry_offset, ppc64_local_entry_offset,
 845         do_read_symbols): New functions.
 846         (Powerpc_relobj::e_flags_, st_other_): New vars.
 847         (Powerpc_relobj::Powerpc_relobj): Call set_abiversion.
 848         (Powerpc_dynobj::abiversion, set_abiversion): New functions.
 849         (Powerpc_relobj::e_flags_): New var.
 850         (Target_powerpc::first_plt_entry_offset, plt_entry_size): Inline
 851         and adjust for ELFv2.
 852         (Target_powerpc::abiversion, set_abiversion, stk_toc): New functions.
 853         (Powerpc_relobj::do_find_special_sections): Check no .opd in ELFv2.
 854         (Powerpc_dynobj::do_find_special_sections): Likewise.
 855         (Target_powerpc::do_define_standard_symbols): Define ".TOC.".
 856         (Target_powerpc::Branch_info::make_stub): Adjust stub destination
 857         to ELFv2 local entry.
 858         (Target_powerpc::do_relax): No thread safe barriers needed for
 859         ELFv2.
 860         (Output_data_plt_powerpc::initial_plt_entry_size_,
 861         plt_entry_size): Delete.  Replace all uses with
 862         first_plt_entry_offset() and plt_entry_size().
 863         (Output_data_plt_powerpc::Output_data_plt_powerpc): Remove
 864         reserved_size parm.  Update callers.
 865         (Output_data_plt_powerpc::entry_count): Update.
 866         (Output_data_plt_powerpc::first_plt_entry_offset): Make private
 867         and use Target_powerpc::first_plt_entry_offset().
 868         (Output_data_plt_powerpc::get_plt_entry_size): Similarly and
 869         rename to plt_entry_size.
 870         (Output_data_plt_powerpc::add_ifunc_entry,
 871         add_local_ifunc_entry): Adjust reloc for ELFv2.
 872         (glink_eh_frame_fde_64): Rename to glink_eh_frame_fde_64v1.
 873         (glink_eh_frame_fde_64v2): New.
 874         (Stub_table::plt_call_size): Support ELFv2 sizing.
 875         (Output_data_glink::add_eh_frame): Use the new FDE.
 876         (Output_data_glink::set_final_data_size): Adjust for ELFv2 glink.
 877         (Stub_table::do_write): Write ELFv2 stubs and glink.
 878         (Target_powerpc::Relocate::relocate): Replaces nop after call
 879         with ld 2,24(1) and adjust local offset destination for ELFv2.
 880
 881 2013-10-30  Alan Modra  <amodra@gmail.com>
 882
 883         * powerpc.cc (Target_powerpc::Scan::check_non_pic): Handle new relocs.
 884         (Target_powerpc::Scan::global, local): Likewise.
 885         (Target_powerpc::Relocate::relocate): Likewise.  Check for overflow
 886         on all ppc64 @h and @ha relocs.
 887
 888 2013-10-14  Alan Modra  <amodra@gmail.com>
 889
 890         * output.h (Output_data_got::add_constant): Tidy.
 891         (Output_data_got::add_constant_pair): New function.
 892         * powerpc.cc (Output_data_got_powerpc): Override all Output_data_got
 893         methods used so as to first call reserve_ent().
 894
 895 2013-10-11  Roland McGrath  <mcgrathr@google.com>
 896
 897         * powerpc.cc (Output_data_got_powerpc): Remove unused methods
 898         add_got_entry and add_got_entry_pair.
 899
 900         * configure.ac (TLS_GNU2_DIALECT): Use -Werror in test.
 901         (HAVE_PUBNAMES): Likewise.
 902         * configure: Regenerate.
 903
 904         * testsuite/Makefile.am: Replace '-T foo' with '-Wl,-T,foo' throughout.
 905         * testsuite/Makefile.in: Regenerate.
 906
 907         * target.h (Target::adjust_elf_header, Target::do_adjust_elf_header):
 908         Remove const from declaration.
 909         * target.cc (Sized_target::do_adjust_elf_header): Update definition.
 910         * sparc.cc (Target_sparc::do_adjust_elf_header): Likewise.
 911         * output.h (Output_file_header): Remove const from member target_
 912         and corresponding constructor argument.
 913         * output.cc (Output_file_header::Output_file_header): Update prototype.
 914         (Output_file_header::do_sized_write): Use this->target_ in place
 915         of parameters()->target().
 916
 917         * testsuite/undef_symbol.cc (Foo::get_a): New method.
 918
 919         * configure.ac (MERGE_CONSTANTS_FLAG): New check.
 920         * configure: Regenerate.
 921         * Makefile.in: Regenerate.
 922         * testsuite/merge_string_literals_1.c: Renamed to have .cc suffix.
 923         * testsuite/merge_string_literals_2.c: Likewise.
 924         * testsuite/Makefile.am
 925         (merge_string_literals_1.o, merge_string_literals_2.o): Update deps.
 926         (AM_CFLAGS, AM_CXXFLAGS): Use $(MERGE_CONSTANTS_FLAG) in place of
 927         literal -fmerge-constants.
 928         * testsuite/Makefile.in: Regenerate.
 929
 930         * i386.cc (Target_i386): Remove unused member dynbss_.
 931         * arm.cc (Target_arm): Likewise.
 932         * powerpc.cc (Target_powerpc): Likewise.
 933         * sparc.cc (Target_sparc): Likewise.
 934         * tilegx.cc (Target_tilegx): Likewise.
 935         * x86_64.cc (Target_x86_64): Likewise.
 936         * dwarf_reader.h (Dwarf_info_reader): Remove unused members
 937         type_signature_, type_offset_.
 938         * plugin.h (Plugin_hook): Remove unused member layout_.
 939         * readsyms.h (Add_symbols): Remove unused members dirpath_, dirindex_,
 940         mapfile_.
 941         (Read_member): Remove unused members input_objects_, symtab_,
 942         mapfile_, layout_.
 943         (Check_library): Remove unused member symtab_.
 944         * archive.h (Lib_group): Remove unused member lib_.
 945         * archive.cc (Lib_group::Lib_group): Update initializer.
 946         * incremental.h (Incremental_binary): Remove unused member target_.
 947         (Incremental_script_entry): Removed unused member script_.
 948         * layout.h (Write_symbols_task): Remove unused member input_objects_.
 949         * icf.h (Icf): Remove unused member num_tracked_relocs.
 950
 951         * gold-threads.h (Once): Conditionalize member was_run_lock_ on
 952         [ENABLE_THREADS && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4], matching
 953         its only use.
 954         * gold-threads.cc (Once::Once): Likewise conditionalize initializer.
 955
 956         * archive.h: Use struct rather than class for forward declaration
 957         of Read_symbols_data.
 958
 959 2013-10-07  Cary Coutant  <ccoutant@google.com>
 960
 961         PR gold/16010
 962         * testsuite/Makefile.am (icf_test): Fix dependencies.
 963         (icf_safe_test): Likewise.
 964         (icf_safe_so_test): Likewise.
 965         (large_symbol_alignment): Add empty _LDADD rule.
 966         * testsuite/Makefile.in: Regenerate.
 967
 968 2013-09-03  Pavel Chupin  <pavel.v.chupin@intel.com>
 969
 970         PR gold/15927
 971         * x86_64.cc (Target_x86_64<size>::Scan::global): Use relative
 972         relocation for R_X86_64_32 on x32.
 973
 974 2013-08-27  Roland McGrath  <mcgrathr@google.com>
 975
 976         * output.cc (Output_segment::set_section_addresses): Take new
 977         Target* argument.  If target->isolate_execinstr() and the segment
 978         is executable and starts at a target->abi_pagesize() boundary,
 979         pad its end out to a target->abi_pagesize() boundary with code fill.
 980         * output.h (Output_segment::set_section_addresses): Update decl.
 981         * layout.h (Layout::check_output_data_for_reset_values): Take new
 982         argument RELAX_OUTPUTS.
 983         (Layout): New member relax_output_list_.
 984         (Layout::add_relax_output): New method.
 985         * layout.cc (Layout::Layout): Update constructor.
 986         (Layout::reset_relax_output): New method.
 987         (Layout::clean_up_after_relaxation): Call it.
 988         (Layout::prepare_for_relaxation): Update caller.
 989         (Layout::set_segment_offsets): Update callers of set_section_addresses.
 990         Call reset_relax_output before re-processing segments for
 991         isolate_execinstr case.
 992         (Layout::write_data): Handle relax_output_list_.
 993         (Layout::Relaxation_debug_check::check_output_data_for_reset_values):
 994         Take new argument RELAX_OUTPUTS.  Assert it's an empty collection.
 995
 996 2013-08-23  Yuri Chornoivan  <yurchor@ukr.net>
 997
 998         PR binutils/15834
 999         * object.h: Fix typos.
1000
1001 2013-08-16  Roland McGrath  <mcgrathr@google.com>
1002
1003         * i386.cc (Target_i386_nacl::do_code_fill): New virtual function.
1004         * x86_64.cc (Target_x86_64_nacl::do_code_fill): New virtual function.
1005
1006 2013-08-07  Cary Coutant  <ccoutant@google.com>
1007
1008         Revert support for v2 DWP files:
1009
1010         2013-03-01  Cary Coutant  <ccoutant@google.com>
1011
1012             Add dwp support for v2 DWARF package file format.
1013             * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
1014             tu_length parameter.  Adjust all callers.
1015             * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
1016             * dwp.cc: Include dwarf.h.
1017             (Section_bounds): New struct type.
1018             (Unit_set): New struct type.
1019             (Dwo_file::Dwo_file): Initialize new data member.
1020             (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
1021             Combine and rename to...
1022             (Dwo_file::read_unit_index): ...this.
1023             (Dwo_file::sized_read_compunit_index)
1024             (Dwo_file::sized_read_typeunit_index): Combine and rename to...
1025             (Dwo_file::sized_read_unit_index): ...this.
1026             (Dwo_file::copy_section): Remove section_name, is_str_offsets
1027             parameters; add section_id parameter.
1028             (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
1029             (Dwo_file::add_unit_set): ...this.
1030             (Dwo_file::shndx_map_): Remove.
1031             (Dwo_file::sect_offsets_): New data member.
1032             (Dwp_output_file::Dwp_output_file): Initialize new data members.
1033             (Dwp_output_file::add_section): Rename to...
1034             (Dwp_output_file::add_contribution): ...this.
1035             (Dwp_output_file::add_cu_set): Combine parameters into a struct.
1036             (Dwp_output_file::add_tu_set): Likewise.
1037             (Dwp_output_file::Contribution): New type.
1038             (Dwp_output_file::Section::contributions): New data member.
1039             (Dwp_output_file::Cu_or_tu_set): Remove.
1040             (Dwp_output_file::Section::Section): New ctor.
1041             (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
1042             (Dwp_output_file::Dwp_index::Section_table): New type.
1043             (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
1044             (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
1045             parameter.
1046             (Dwp_output_file::Dwp_index::shndx_pool): Remove.
1047             (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
1048             (Dwp_output_file::Dwp_index::section_table): New member function.
1049             (Dwp_output_file::Dwp_index::section_table_end): New member function.
1050             (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
1051             (Dwp_output_file::Dwp_index::section_table_rows): New member function.
1052             (Dwp_output_file::Dwp_index::section_table_cols): New member function.
1053             (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
1054             (Dwp_output_file::Dwp_index::section_table_): New data member.
1055             (Dwp_output_file::Dwp_index::section_mask_): New data member.
1056             (Dwp_output_file::add_output_section): New member function.
1057             (Dwp_output_file::write_new_section): New member function.
1058             (Dwp_output_file::write_contributions): New member function.
1059             (Dwp_output_file::section_id_map_): New data member.
1060             (class Dwo_id_info_reader): Remove.
1061             (class Unit_reader): New class.
1062             (get_dwarf_section_name): New function.
1063             (Dwo_file::read_executable): Adjust initializations of class data.
1064             (Dwo_file::read): Add support for v2 package file format.
1065             (Dwo_file::read_unit_index): Likewise.
1066             (Dwo_file::sized_read_unit_index): Likewise.
1067             (Dwo_file::copy_section): Likewise.
1068             (Dwo_file::add_unit_set): Likewise.
1069             (Dwp_output_file::add_output_section): Likewise.
1070             (Dwp_output_file::add_contribution): Likewise.
1071             (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
1072             for empty slot.
1073             (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
1074             file format.
1075             (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
1076             slot.
1077             (Dwp_output_file::initialize): Remove unused function.
1078             (Dwp_output_file::finalize): Add support for v2 package file format.
1079             (Dwp_output_file::write_index): Likewise.
1080             * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
1081             function prototype.
1082
1083 2013-07-31  Cary Coutant  <ccoutant@google.com>
1084
1085         * object.cc (Sized_relobj::do_output_section_address): New function.
1086         (Sized_relobj): Instantiate explicitly.
1087         * object.h (Object::output_section_address): New function.
1088         (Object::do_output_section_address): New function.
1089         (Sized_relobj::do_output_section_address): New function.
1090         * powerpc.cc (Target_powerpc::symval_for_branch): Use it.
1091
1092 2013-07-30  Cary Coutant  <ccoutant@google.com>
1093             Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
1094
1095         * parameters.cc (Parameters::entry): Return target-specific entry
1096         symbol name.
1097         * target.h (Target::entry_symbol_name): New function.
1098         (Target_info::entry_symbol_name): New data member.
1099
1100         * arm.cc (Target_arm::arm_info): Add entry_symbol_name.
1101         * i386.cc (Target_i386::i386_info): Likewise.
1102         (Target_i386_nacl::i386_nacl_info): Likewise.
1103         * sparc.cc (Target_sparc::sparc_info): Likewise.
1104         * tilegx.cc (Target_tilegx::tilegx_info): Likewise.
1105         * x86_64.cc: (Target_x86_64::x86_64_info) Likewise.
1106         (Target_x86_64_nacl::x86_64_nacl_info) Likewise.
1107         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
1108
1109 2013-07-22  Sterling Augustine  <saugustine@google.com>
1110
1111         * dwarf_reader.cc (Dwarf_pubnames_table::read_section):
1112         Convert parameter shndx to local variable. Add parameters symtab
1113         and symtab_size.  Scan over section names.  Find relocation
1114         section corresponding to current section.  Create and initialize
1115         reloc_mapper_ and reloc_type_.
1116         (Dwarf_pubnames_table::read_header):  Add assertion.  Change
1117         unit_length to off_t.  Initialize member unit_length_.  Fill in field
1118         cu_offset_.
1119         * dwarf_reader.h (Dwarf_pubnames_table::Dwarf_pubnames_table):
1120         Initialize new fields unit_length_ and cu_offset_.
1121         (Dwarf_pubnames_table::read_section): Update prototype.
1122         (Dwarf_pubnames_table::cu_offset): New member function.
1123         (Dwarf_pubnames_table::subsection_size): Likewise.
1124         (Dwarf_pubnames_table::cu_offset_, Dwarf_pubnames_table::unit_length):
1125         New fields.
1126         (Dwarf_info_reader::symtab, Dwarf_info_reader::symtab_size): Make
1127         member functions public.
1128         * gdb_index.cc (Gdb_index_info_reader::read_pubnames_and_pubtypes):
1129         Update comment.  Rework logic.  Move repeated parts to...
1130         (Gdb_index_info_reader::read_pubtable): ...here. New function.
1131         (Gdb_index::Gdb_index): Initialize new fields, pubnames_table_,
1132         pubtypes_table_, and stmt_list_offset.
1133         (Gdb_index::map_pubtable_to_dies, Gdb_index::find_pubname_offset,
1134         Gdb_index::find_pubtype_offset,
1135         Gdb_index::map_pubnames_and_types_to_dies): Define new functions.
1136         (Gdb_index::pubnames_read): Update prototype and rework logic.
1137         * gdb_index.h (Gdb_index_info_reader, Dwarf_pubnames_table):
1138         Forward declare.
1139         (Gdb_index::map_pubtable_to_dies, Gdb_index::find_pubname_offset,
1140         Gdb_index::find_pubtype_offset, Gdb_index::pubnames_table)
1141         Gdb_index::pubtypes_table, Gdb_index::map_pubnames_and_types_to_dies,
1142         Gdb_index::map_pubtable_to_dies):
1143         Declare functions.
1144         (Gdb_index::pubnames_read): Update declaration.
1145         (Gdb_index::Pubname_offset_map): New type.
1146         (Gdb_index::cu_pubname_map_, Gdb_index::cu_pubtype_map_,
1147         Gdb_index::pubnames_table_, Gdb_index::pubtypes_table_,
1148         Gdb_index::stmt_list_offset): Declare.
1149         (Gdb_index::pubnames_shndx_, Gdb_index::pubnames_offet_,
1150         Gdb_index::pubtypes_object_, Gdb_index::pubtypes_shndx_)
1151         Gdb_index::pubtypes_offset_): Remove.
1152
1153 2013-07-19  Roland McGrath  <mcgrathr@google.com>
1154
1155         * options.h (General_options): Add -Trodata-segment option.
1156         * parameters.cc (Parameters::check_rodata_segment): New function.
1157         (Parameters::set_target_once): Call it.
1158         * parameters.h (Parameters): Declare it (private member function).
1159         * layout.cc (load_seg_unusable_for_headers): New function, broken
1160         out of Layout::relaxation_loop_body.  If TARGET->isolate_execinstr()
1161         then validate rodata segment rather than text segment.
1162         (relaxation_loop_body): Call that.
1163         (is_text_segment): New function.  Don't admit a non-executable
1164         segment if TARGET->isolate_execinstr().
1165         (set_segment_offsets): Call it.  Honor -Trodata-segment option.
1166
1167 2013-07-15  Shawn Landden  <shawnlandden@gmail.com>
1168
1169         PR gold/15070
1170         * fileread.h (File_read::get_view): Clarify comment about ALIGNED.
1171         * nacl.h (Sniff_file::View::View): Request aligned view.
1172
1173 2013-07-11  Cary Coutant  <ccoutant@google.com>
1174
1175         * powerpc.cc (Target_powerpc::write_branch_lookup_table): Use
1176         correct BRLT entry size.
1177
1178 2013-07-03  Alan Modra  <amodra@gmail.com>
1179
1180         * powerpc.cc (Target_powerpc::Relocate::relocate): Update self-call
1181         comment.
1182
1183 2013-07-01  Cary Coutant  <ccoutant@google.com>
1184
1185         * dwarf_reader.cc (Dwarf_ranges_table::read_ranges_table): Save
1186         reloc_type_.
1187         (Dwarf_ranges_table::read_range_list): Call lookup_reloc.
1188         (Dwarf_ranges_table::lookup_reloc): New function.
1189         * dwarf_reader.h (Dwarf_ranges_table::Dwarf_ranges_table): Initialize
1190         reloc_type_.
1191         (Dwarf_ranges_table::lookup_reloc): New function.
1192         (Dwarf_ranges_table::reloc_type_): New data member.
1193
1194 2013-06-27  Jing Yu  <jingyu@google.com>
1195
1196         PR gold/15662
1197         * powerpc.cc (Output_data_brlt_powerpc::reset_brlt_sizes): New
1198         function.
1199         (Output_data_brlt_powerpc::finalize_brlt_sizes): New function.
1200         (Target_powerpc::do_relax): Call the above.
1201
1202 2013-06-27  Cary Coutant  <ccoutant@google.com>
1203
1204         * powerpc.cc (Target_powerpc::symval_for_branch): Don't assert
1205         on garbage collected .opd section.
1206
1207 2013-06-27  Alan Modra  <amodra@gmail.com>
1208
1209         * powerpc.cc (Target_powerpc::do_gc_add_reference): Test dst_shndx
1210         is non-zero.
1211         (Target_powerpc::do_gc_mark_symbols): Likewise for sym->shndx().
1212         (Target_powerpc::do_function_location): Likewise for loc->shndx.
1213
1214 2013-06-14  Cary Coutant  <ccoutant@google.com>
1215
1216         * resolve.cc (Symbol::override_base): Don't override st_type
1217         from plugin placeholder symbols.
1218         (Symbol_table::resolve): Likewise.
1219         (Symbol_table::should_override): Don't complain about TLS mismatch
1220         if the TO symbol is a plugin placeholder.
1221         * testsuite/Makefile.am (plugin_test_tls): New test.
1222         * testsuite/Makefile.in: Regenerate.
1223         * testsuite/plugin_test_tls.sh: New test script.
1224         * testsuite/two_file_test_2_tls.cc: New test source.
1225         * testsuite/two_file_test_tls.cc: New test source.
1226
1227 2013-06-05  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1228
1229         * layout.cc (Layout::set_segment_offsets): Taking care of the case when
1230         the maximum segment alignment is larger than the page size.
1231         * testsuite/Makefile.am (large_symbol_alignment): Test that Gold
1232         correctly aligns the symbols with large alignemnt.
1233         * testsuite/Makefile.in: Regenerate.
1234         * testsuite/large_symbol_alignment.cc: New file.
1235
1236 2013-05-30  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1237             Sriraman Tallam  <tmsriram@google.com>
1238
1239         * options.h (sort_section): New option.
1240         * output.h (Input_section_sort_section_prefix_special_ordering_compare):
1241         Rename from Input_section_sort_section_name_special_ordering_compare.
1242         (Input_section_sort_section_name_compare): New struct.
1243         * output.cc (Output_section::Input_section_sort_section_name_compare::
1244         operator()): New function.
1245         (Output_section::sort_attached_input_sections): Use new sort function
1246         for .text if --sort-section=name is specified.
1247         * layout.cc (Layout::make_output_section):
1248         Add sorting by name when --sort-section=name is specified.
1249         * testsuite/Makefile.am (text_section_grouping): Test option
1250         --sort-section=name.
1251         * testsuite/Makefile.in: Regenerate.
1252         * testsuite/section_sorting_name.cc: New file.
1253         * testsuite/section_sorting_name.sh: New file.
1254
1255 2013-05-21  Cary Coutant  <ccoutant@google.com>
1256
1257         * symtab.h (Symbol::is_cxx_vtable): New function.
1258         * target-reloc.h (relocate_section): Check for vtable symbol.
1259         * testsuite/Makefile.am (missing_key_func.sh): New test case.
1260         * testsuite/Makefile.in: Regenerate.
1261         * testsuite/missing_key_func.cc: New test source.
1262         * testsuite/missing_key_func.sh: New test script.
1263
1264 2013-05-21  Cary Coutant  <ccoutant@google.com>
1265
1266         * object.cc (Sized_relobj_file::get_symbol_location_info): Set
1267         type of enclosing symbol.
1268         (Relocate_info::location): Check symbol type when describing symbol.
1269         * object.h (Symbol_location_info): Remove unused line_number;
1270         add enclosing_symbol_type.
1271         * testsuite/debug_msg.sh: Adjust expected output.
1272
1273 2013-05-13  Cary Coutant  <ccoutant@google.com>
1274
1275         * configure.ac: Export DEFAULT_TARGET.
1276         * configure: Regenerate.
1277         * Makefile.in: Regenerate.
1278         * testsuite/Makefile.am: Add .EXPORT_ALL_VARIABLES.
1279         * testsuite/Makefile.in: Regenerate.
1280         * testsuite/debug_msg.sh: Delete duplicate tests.
1281         Don't check undef_int error message match for powerpc where the
1282         source file and line number aren't available.
1283
1284 2013-05-10  Roland McGrath  <mcgrathr@google.com>
1285
1286         * options.h (General_options): Add --rosegment-gap option.
1287         * options.cc (finalize): --rosegment-gap implies --rosegment.
1288         * layout.cc (set_segment_offsets): Let user option override
1289         target->rosegment_gap().
1290
1291 2013-05-10  Roland McGrath  <mcgrathr@google.com>
1292
1293         * options.h (General_options): Remove leading space from help
1294         messages for -nostdlib and --rosegment.
1295
1296 2013-05-03  Maciej W. Rozycki  <macro@codesourcery.com>
1297
1298         PR ld/15365
1299         * layout.cc (Layout::finalize): Make __ehdr_start STV_HIDDEN.
1300
1301 2013-05-03  Alan Modra  <amodra@gmail.com>
1302
1303         * merge.cc (Output_merge_string::do_add_input_section): Correct
1304         scan for number of strings.  Rename vars to avoid shadowing.
1305         Include missing terminator in input_size_.
1306
1307 2013-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1308
1309         * merge.cc (Output_merge_string<Char_type>::do_add_input_section):
1310         Restore empty string handling.
1311
1312 2013-05-01  Cary Coutant  <ccoutant@google.com>
1313
1314         * stringpool.cc (Stringpool_template::new_key_offset): Fix
1315         uninitialized warning.
1316
1317 2013-04-29  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1318
1319         * output.cc (Output_section::add_merge_input_section): Allow
1320         to merge sections if the alignment is more than character size.
1321         * merge.h (Output_merge_string::Output_merge_string): Remove
1322         assert.
1323         * merge.cc (Output_merge_string<Char_type>::do_add_input_section): Count
1324         only not-null strings. Check the alignment of strings.
1325         * stringpool.h
1326         (Stringpool_template<Stringpool_char>::Stringpool_template): Add
1327         alignment as the argument.
1328         (Stringpool_template<Stringpool_char>::addralign_): New class member.
1329         * stringpool.cc (Stringpool_template<Stringpool_char>::new_key_offset):
1330         Align non-zero length strings according to the addralign_.
1331         (Stringpool_template<Stringpool_char>::set_string_offsets):
1332         Updating offsets according to the given alignment.
1333         * testsuite/Makefile.am (text_section_grouping): Test if string
1334         literals are getting merged.
1335         * testsuite/Makefile.in: Regenerate.
1336         * testsuite/merge_string_literals_1.c: New file.
1337         * testsuite/merge_string_literals_2.c: Ditto.
1338         * testsuite/merge_string_literals.sh: Ditto.
1339
1340 2013-04-26  Ian Lance Taylor  <iant@google.com>
1341
1342         * target-reloc.h (relocate_section): If the reloc offset is out of
1343         range, pass VIEW as NULL to relocate.relocate.
1344         * arm.cc (Target_arm:Relocate::relocate): Check for a NULL view.
1345         * i386.cc (Target_i386::Relocate::relocate): Likewise.
1346         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
1347         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
1348         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
1349         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1350
1351 2013-04-26  Geoff Pike  <gpike@chromium.org>
1352
1353         * gold.cc (queue_final_tasks): invoke layout->queue_build_id_tasks().
1354         * layout.cc (Hash_task): New class.
1355         (Layout::queue_build_id_tasks): New function.
1356         (Layout::write_build_id): Handle single-thread portion of build ID
1357         computation.  (In some cases, all of it is single-threaded.)  Replace
1358         {sha1,md5}_process_bytes with {sha1,md5}_buffer to get the same
1359         functionality in fewer lines of code.
1360         * layout.h (Layout::queue_build_id_tasks): New function declaration.
1361         * options.h (General_options): make "--build-id" default to tree
1362         rather than sha1.  Add two new options related to --build-id=tree:
1363         --build-id-chunk-size-for-treehash and
1364         --build-id-min-file-size-for-treehash.
1365         * Makefile.am: add testing of --build-id=tree and related new options
1366         (these tests will be invoked by "make check").
1367         * Makefile.in: Regenerate.
1368
1369 2013-04-25  Alan Modra  <amodra@gmail.com>
1370
1371         * configure.tgt: Add powerpcle and powerpc64le.
1372
1373 2013-04-22  Alan Modra  <amodra@gmail.com>
1374
1375         PR gold/15355
1376         * layout.cc (Layout::segment_precedes): Allow more than one
1377         segment with the same type and flags.
1378
1379 2013-04-15  Cary Coutant  <ccoutant@google.com>
1380
1381         * layout.cc (Layout::set_relocatable_section_offsets): Don't
1382         allocate space in file for BSS sections.
1383
1384 2013-04-15  Cary Coutant  <ccoutant@google.com>
1385
1386         * script-sections.cc (Orphan_output_section): Reset address
1387         to zero after each orphaned section for relocatable links.
1388
1389 2013-04-15  Cary Coutant  <ccoutant@google.com>
1390
1391         * symtab.cc (Symbol_table::sized_write_globals): Subtract
1392         section starting address for relocatable link.
1393         * testsuite/Makefile.am (script_test_11): New test.
1394         * testsuite/Makefile.in: Regenerate.
1395         * testsuite/script_test_11.c: New source file.
1396         * testsuite/script_test_11.t: New linker script.
1397
1398 2013-04-13  Alan Modra  <amodra@gmail.com>
1399
1400         * powerpc.cc (Stub_control::can_add_to_stub_group): Don't set
1401         owner when sections are not adjacent and exceed group size.
1402         (Target_powerpc::group_sections): Handle corner case.
1403         (Target_powerpc::Branch_info::make_stub): Handle case where
1404         stub table doesn't exist due to branches in non-exec sections.
1405         (Target_powerpc::Relocate::relocate): Likewise.
1406
1407 2013-04-11  Alan Modra  <amodra@gmail.com>
1408
1409         PR gold/15354
1410         * powerpc.cc (Target_powerpc::make_brlt_section): Name section
1411         .branch_lt to match bfd ld.  Adjust comments throughout file.
1412
1413 2013-04-04  Ian Lance Taylor  <iant@google.com>
1414
1415         GCC PR c++/56840
1416         * object.cc (do_layout_deferred_sections): Handle .eh_frame
1417         sections before checking whether they are included in the link.
1418
1419 2013-03-29  Sriraman Tallam  <tmsriram@google.com>
1420
1421         * archive.cc (Archive::get_elf_object_for_member):  Create the elf
1422         object before calling the plugin claim_file handler.  Pass the elf
1423         object of the archive to the plugin. Delete the elf object if the
1424         plugin claims the file.
1425
1426 2013-03-21  Alan Modra  <amodra@gmail.com>
1427
1428         * layout.cc (Layout::set_segment_offsets): Accept writable .text
1429         segment when omagic.
1430
1431 2013-03-21  Alan Modra  <amodra@gmail.com>
1432
1433         * dwp.cc (Dwp_output_file::add_contribution): Avoid signed/unsigned
1434         comparison warning.
1435         * layout.cc (Layout::create_dynamic_symtab): Avoid "may be used
1436         uninitialized" warning.
1437
1438 2013-03-20  Alan Modra  <amodra@gmail.com>
1439
1440         * symtab.h (Symbol::clear_version): New function.
1441         * symtab.cc (Symbol_table::set_dynsym_indexes): Don't set object
1442         is_needed by weak references.  Clear version for symbols defined
1443         in as-needed objects that are not needed.
1444
1445 2013-03-15  Alan Modra  <amodra@gmail.com>
1446
1447         * powerpc.cc (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Make
1448         static and public.  Add report_err param.  Return false for data refs.
1449         (Target_powerpc::rela_dyn_section): New overloaded function.
1450         (Target_powerpc::plt_, iplt_): Elucidate.
1451         (Output_data_plt_powerpc::entry_count): Handle current_data_size()==0.
1452         (Output_data_plt_powerpc::do_write): Don't write .iplt.
1453         (Output_data_plt_powerpc::plt_entry_count): Don't add .iplt entries.
1454         (Target_powerpc::Scan::local, global): Adjust reloc_needs_plt_for_ifunc
1455         calls.  Put ifunc dynamic relocs in irela_dyn_section.  Only
1456         push_branch and make_plt_entry for ifunc syms when
1457         reloc_needs_plt_for_ifunc.
1458         (Target_powerpc::Relocate::relocate): Don't use plt entry value
1459         for ifunc unless reloc_needs_plt_for_ifunc.
1460
1461 2013-03-15  Alan Modra  <amodra@gmail.com>
1462
1463         * gc.h (gc_process_relocs): Don't look through function descriptors.
1464         * icf.cc (get_section_contents): Do so here instead.
1465
1466 2013-03-13  Alan Modra  <amodra@gmail.com>
1467
1468         * powerpc.cc (is_branch_reloc): Forward declare.
1469         (Target_powerpc::do_can_check_for_function_pointers): New predicate.
1470         (Target_powerpc::Scan::local_reloc_may_be_function_pointer): Return
1471         false for 64-bit, true for 32-bit non-branch relocs.
1472         (Target_powerpc::Scan::global_reloc_may_be_function_pointer): Likewise.
1473         * testsuite/Makefile.am (icf_test): Use linker map file instead of
1474         nm output.
1475         (icf_safe_test): Generate linker map file as well as nm output.
1476         (icf_safe_so_test): Likewise.
1477         * testsuite/Makefile.in: Regenerate.
1478         * testsuite/icf_test.sh: Parse linker map file to determine
1479         section folding.
1480         * testsuite/icf_safe_test.sh: Likewise.  Expect folding for PowerPC.
1481         * testsuite/icf_safe_so_test.sh: Likewise.
1482         (X86_32_or_ARM_specific_safe_fold): Merge into..
1483         (arch_specific_safe_fold): ..this.
1484         (X86_64_specific_safe_fold): Delete unused function.
1485
1486 2013-03-12  Alan Modra  <amodra@gmail.com>
1487
1488         * gc.h (gc_process_relocs): Look through function descriptors
1489         to determine shndx, symvalue and addend used by ICF.  Tidy
1490         variable duplication.
1491
1492 2013-03-11  Alan Modra  <amodra@gmail.com>
1493
1494         * gold.cc (queue_middle_tasks): Move detect_odr_violations..
1495         * layout.cc (Layout_task_runner::run): ..to here.
1496         * symtab.h (struct Symbol_location): Extract from..
1497         (class Symbol_table): ..here.
1498         * symtab.cc (Symbol_table::linenos_from_loc): Invoke function_location.
1499         * target.h (class Target): Add function_location and
1500         do_function_location functions.
1501         (class Sized_target): Add do_function_location.
1502         * object.h (class Sized_relobj_file): Move find_shdr..
1503         (class Object): ..to here.
1504         * object.cc: Likewise.  Update to suit.  Instantiate.
1505         (Sized_relobj_file::find_eh_frame): Update find_shdr call.
1506         * powerpc.cc (class Powerpc_dynobj): New.
1507         (Target_powerpc::do_function_location): New function.
1508         (Powerpc_relobj::do_find_special_sections): Update find_shdr call.
1509         (Powerpc_dynobj::do_read_symbols): New function.
1510         (Target_powerpc::do_make_elf_object): Make a Powerpc_dynobj.
1511
1512 2013-03-08  Ian Lance Taylor  <iant@google.com>
1513
1514         * options.cc (General_options::string_to_object_format): Accept
1515         "default".
1516
1517 2013-03-08  Alan Modra  <amodra@gmail.com>
1518
1519         * ehframe.h (Post_fdes) Make it a vector of Post_fde rather than
1520         pointer to Post_fde.
1521         (struct Post_fde): Move definition to here..
1522         * ehframe.cc (struct Post_fde): ..from here.
1523         (Cie::write): Don't alloc Post_fde.
1524         (Eh_frame::do_sized_write): Update.  Don't free Post_fde.
1525
1526 2013-03-07  Alan Modra  <amodra@gmail.com>
1527
1528         * testsuite/discard_locals_relocatable_test.c: Add a powerpc
1529         relocation referencing .LC0.
1530         * testsuite/discard_locals_test.sh: Remove FIXMEs.
1531
1532 2013-03-07  Alan Modra  <amodra@gmail.com>
1533
1534         * testsuite/ifunc-sel.h (ifunc_sel, ifunc_one): Mark
1535         always_inline.  Add assembly for powerpc to avoid GOT.
1536
1537 2013-03-07  Alan Modra  <amodra@gmail.com>
1538
1539         * testsuite/script_test_10.sh: Don't test .bss section
1540         header number.
1541
1542 2013-03-06  Alan Modra  <amodra@gmail.com>
1543
1544         * powerpc.cc (class Powerpc_relobj): Move some member functions.
1545         (Target_powerpc::symval_for_branch):  Add symtab param.  Update
1546         all callers.  Handle folded sections.
1547         (Target_powerpc::do_gc_add_reference): Don't cast dynamic object
1548         to Powerpc_relobj.
1549         (Global_symbol_visitor_opd::operator()): Likewise.
1550
1551 2013-03-04  Alan Modra  <amodra@gmail.com>
1552
1553         * testsuite/Makefile.am (final_layout_script.lds): Add .sbss.
1554         * testsuite/Makefile.in: Regenerate.
1555
1556 2013-03-01  Cary Coutant  <ccoutant@google.com>
1557
1558         Add dwp support for v2 DWARF package file format.
1559         * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
1560         tu_length parameter.  Adjust all callers.
1561         * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
1562         * dwp.cc: Include dwarf.h.
1563         (Section_bounds): New struct type.
1564         (Unit_set): New struct type.
1565         (Dwo_file::Dwo_file): Initialize new data member.
1566         (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
1567         Combine and rename to...
1568         (Dwo_file::read_unit_index): ...this.
1569         (Dwo_file::sized_read_compunit_index)
1570         (Dwo_file::sized_read_typeunit_index): Combine and rename to...
1571         (Dwo_file::sized_read_unit_index): ...this.
1572         (Dwo_file::copy_section): Remove section_name, is_str_offsets
1573         parameters; add section_id parameter.
1574         (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
1575         (Dwo_file::add_unit_set): ...this.
1576         (Dwo_file::shndx_map_): Remove.
1577         (Dwo_file::sect_offsets_): New data member.
1578         (Dwp_output_file::Dwp_output_file): Initialize new data members.
1579         (Dwp_output_file::add_section): Rename to...
1580         (Dwp_output_file::add_contribution): ...this.
1581         (Dwp_output_file::add_cu_set): Combine parameters into a struct.
1582         (Dwp_output_file::add_tu_set): Likewise.
1583         (Dwp_output_file::Contribution): New type.
1584         (Dwp_output_file::Section::contributions): New data member.
1585         (Dwp_output_file::Cu_or_tu_set): Remove.
1586         (Dwp_output_file::Section::Section): New ctor.
1587         (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
1588         (Dwp_output_file::Dwp_index::Section_table): New type.
1589         (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
1590         (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
1591         parameter.
1592         (Dwp_output_file::Dwp_index::shndx_pool): Remove.
1593         (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
1594         (Dwp_output_file::Dwp_index::section_table): New member function.
1595         (Dwp_output_file::Dwp_index::section_table_end): New member function.
1596         (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
1597         (Dwp_output_file::Dwp_index::section_table_rows): New member function.
1598         (Dwp_output_file::Dwp_index::section_table_cols): New member function.
1599         (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
1600         (Dwp_output_file::Dwp_index::section_table_): New data member.
1601         (Dwp_output_file::Dwp_index::section_mask_): New data member.
1602         (Dwp_output_file::add_output_section): New member function.
1603         (Dwp_output_file::write_new_section): New member function.
1604         (Dwp_output_file::write_contributions): New member function.
1605         (Dwp_output_file::section_id_map_): New data member.
1606         (class Dwo_id_info_reader): Remove.
1607         (class Unit_reader): New class.
1608         (get_dwarf_section_name): New function.
1609         (Dwo_file::read_executable): Adjust initializations of class data.
1610         (Dwo_file::read): Add support for v2 package file format.
1611         (Dwo_file::read_unit_index): Likewise.
1612         (Dwo_file::sized_read_unit_index): Likewise.
1613         (Dwo_file::copy_section): Likewise.
1614         (Dwo_file::add_unit_set): Likewise.
1615         (Dwp_output_file::add_output_section): Likewise.
1616         (Dwp_output_file::add_contribution): Likewise.
1617         (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
1618         for empty slot.
1619         (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
1620         file format.
1621         (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
1622         slot.
1623         (Dwp_output_file::initialize): Remove unused function.
1624         (Dwp_output_file::finalize): Add support for v2 package file format.
1625         (Dwp_output_file::write_index): Likewise.
1626         * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
1627         function prototype.
1628
1629 2013-03-01  Cary Coutant  <ccoutant@google.com>
1630
1631         * dwarf_reader.cc (Dwarf_info_reader::check_buffer): Move
1632         function into class definition in header file.
1633         (Dwarf_info_reader::warn_corrupt_debug_section): New function.
1634         * dwarf_reader.h (Dwarf_info_reader::warn_corrupt_debug_section):
1635         New function.
1636         (Dwarf_info_reader::check_buffer): Move here from .cc file.
1637
1638 2013-02-28  Alan Modra  <amodra@gmail.com>
1639
1640         * target.h (Target::plt_fde_location, do_plt_fde_location): Declare.
1641         * target.cc (Target::do_plt_fde_location): New function.
1642         * ehframe.h (class FDE): Add post_map field to u_.from_linker,
1643         accessor function, and constructor param.
1644         (struct Post_fde, Post_fdes): Declare.
1645         (Cie::write): Add post_fdes param.
1646         * ehframe.cc (Fde::write): Use plt_fde_location.
1647         (struct Post_fde): Define.
1648         (Cie::write): Stash FDEs added post merge mapping.
1649         (Eh_frame::add_ehframe_for_plt): Assert no new CIEs after mapping.
1650         Adjust Fde constructor call.  Bump final_data_size_ for post map FDEs.
1651         (Eh_frame::do_sized_write): Arrange to write post map FDES after
1652         other FDEs.
1653         * powerpc.cc (Target_powerpc::do_plt_fde_location): New function.
1654         (Target_powerpc::has_glink): New function.
1655         (Target_powerpc::do_relax): Add eh_frame info for stubs.
1656         (struct Eh_cie, eh_frame_cie, glink_eh_frame_fde_64,
1657         glink_eh_frame_fde_32, default_fde): New data.
1658         (Stub_table::eh_frame_added_): New var.
1659         (Stub_table::find_long_branch_entry, stub_address, stub_offset):
1660         Make const.
1661         (Stub_table::add_eh_frame): New function.
1662         (Output_data_glink::add_eh_frame): New function.
1663         (Target_powerpc::make_glink_section): Call add_eh_frame.
1664
1665 2013-02-15  Ian Lance Taylor  <iant@google.com>
1666
1667         * options.h (DEFINE_uint64_alias): Define.
1668         (class General_options): Add -Ttext-segment as an alias for
1669         -Ttext.
1670
1671 2013-02-15  Alan Modra  <amodra@gmail.com>
1672
1673         * powerpc.cc (Stub_table::plt_off): New function, extracted from..
1674         (Stub_table::do_write): ..here, two places.
1675         (Stub_table::plt_call_size): Use it here too.
1676
1677 2013-02-11  Ian Lance Taylor  <iant@google.com>
1678
1679         * descriptors.cc (Descriptors::close_all): New function.
1680         * descriptors.h (class Descriptors): Declare close_all.
1681         (close_all_descriptors): New inline function.
1682         * plugin.cc: Include "descriptors.h".
1683         (Plugin_manager::cleanup): Call close_all_descriptors.
1684
1685 2013-02-06  Alan Modra  <amodra@gmail.com>
1686
1687         * README: Update coding style link.
1688
1689 2013-01-28  Cary Coutant  <ccoutant@google.com>
1690
1691         * dwp.cc (File_list): New typedef.
1692         (Dwo_name_info_reader): New class.
1693         (Dwo_id_info_reader::Dwo_id_info_reader): Remove unused parameters.
1694         (Dwo_id_info_reader::visit_top_die): Remove unused member function.
1695         (Dwo_file::~Dwo_file): Delete input_file_ after obj_.
1696         (Dwo_file::read_executable): New function.
1697         (Dwo_file::read): Move common setup code to ...
1698         (Dwo_file::make_object): ... here.
1699         (dwp_options): Add --exec/-e.
1700         (usage): Likewise.
1701         (main): Likewise.
1702
1703 2013-01-24  Sriraman Tallam  <tmsriram@google.com>
1704
1705         * layout.cc (Layout::layout): Check for option text_reorder.
1706         (Layout::make_output_section): Ditto.
1707         * options.h (text_reorder): New option.
1708         * output.cc (Input_section_sort_compare): Remove special ordering
1709         of section names.
1710         (Output_section::
1711          Input_section_sort_section_name_special_ordering_compare::
1712          operator()): New function.
1713         (Output_section::sort_attached_input_sections): Use new sort function
1714         for .text.
1715         * output.h (Input_section_sort_section_name_special_ordering_compare):
1716         New struct.
1717         * testsuite/Makefile.am (text_section_grouping): Test option
1718         --no-text-reorder
1719         * testsuite/Makefile.in: Regenerate.
1720         * testsuite/text_section_grouping.sh: Check order of functions without
1721         default text reordering.
1722
1723 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
1724
1725         * options.h (General_options): Change default to true for new_dtags.
1726
1727 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
1728
1729         * layout.cc (Layout::finish_dynamic_section): Only add DT_RPATH
1730         when enable_new_dtags is false.  Only add DT_RUNPATH when
1731         enable_new_dtags is true.
1732
1733 2013-01-17  Serge Pavlov  <serge.v.pavlov@gmail.com>
1734
1735         * powerpc.cc (Stub_table::find_plt_call_entry): Make types
1736         used in declaration and definition consistent.
1737         (Target_powerpc::symval_for_branch): Ditto.
1738
1739 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
1740
1741         * testsuite/plugin_final_layout.cc: Fix comment.
1742
1743 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
1744
1745         * layout.cc (Layout::layout): Do not do default sorting for
1746         text sections when section ordering is specified.
1747         (make_output_section): Ditto.
1748         * testsuite/plugin_final_layout.cc: Name the function sections
1749         to catch reordering issues.
1750
1751 2013-01-15  Alan Modra  <amodra@gmail.com>
1752
1753         * powerpc.cc (Target_powerpc::do_relax): Default shared libs to
1754         plt-thread-safe.
1755
1756 2013-01-15  Alan Modra  <amodra@gmail.com>
1757
1758         * testsuite/Makefile.am (final_layout_script.lds): Handle .got section.
1759         * testsuite/Makefile.in: Regenerate.
1760
1761 2013-01-14  Alan Modra  <amodra@gmail.com>
1762
1763         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add various output files.
1764         * testsuite/Makefile.in: Regenerate.
1765
1766 2013-01-11  Pavel Chupin  <pavel.v.chupin@intel.com>
1767
1768         PR bfd/14430
1769         Fix mingw gold build with plugins enabled
1770         * Makefile.am: Replace -ldl with @DLOPEN_LIBS@.
1771         * configure.ac: Export DLOPEN_LIBS and add headers check.
1772         * plugin.cc: Handle non-dlfcn case.
1773         * Makefile.in: Regenerate.
1774         * config.in: Regenerate.
1775         * configure: Regenerate.
1776         * testsuite/Makefile.in: Regenerate.
1777
1778 2013-01-09  Sriraman Tallam  <tmsriram@google.com>
1779
1780         * output.h (sort_attached_input_sections): Change to be public.
1781         * script-sections.cc
1782         (Output_section_definition::set_section_addresses): Sort
1783         attached input sections according to section order before linker
1784         script assigns section addresses.
1785         (Orphan_output_section::set_section_addresses): Sort
1786         attached input sections according to section order before linker
1787         script assigns section addresses.
1788         * Makefile.am (final_layout.sh): Use a simple linker script to
1789         check if section ordering still works.
1790         * Makefile.in: Regenerate.
1791
1792 2013-01-09  Ben Cheng  <bccheng@google.com>
1793
1794         * arm.cc (Target_arm::attributes_accept_div): New function.
1795         (Target_arm::attributes_forbid_div): New function.
1796         (Target_arm::merge_object_attributes): Merge the Tag_DIV_use
1797         attribute using the same new functions as what bfd/elf32_arm.c
1798         does.
1799
1800 2013-01-07  Cary Coutant  <ccoutant@google.com>
1801
1802         PR gold/14993
1803         * output.cc (Output_section::add_input_section): For incremental
1804         updates, don't track input sections that are allocated from patch
1805         space.
1806
1807 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
1808             Ian Lance Taylor  <iant@google.com>
1809
1810         PR gold/14897
1811         * configure.ac (--enable-ld): Removed.
1812         (install_as_default): Set to yes only for --enable-gold=default
1813         or --disable-ld.
1814         * configure: Regenerated.
1815
1816 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
1817
1818         * options.h (General_options): Add -fuse-ld= for GCC linker
1819         option compatibility.
1820
1821 2013-01-04  Cary Coutant  <ccoutant@google.com>
1822
1823         * configure.ac: Fix typo restoring CXXFLAGS.
1824         * configure: Regenerate.
1825
1826 2013-01-04  Cary Coutant  <ccoutant@google.com>
1827
1828         * testsuite/Makefile.am (CXXLINK_S): New macro.
1829         (debug_msg_so.err, debug_msg_ndebug.err): Use CXXLINK_S.
1830         * testsuite/Makefile.in: Regenerate.
1831
1832 2013-01-02  H.J. Lu  <hongjiu.lu@intel.com>
1833
1834         * version.cc (print_version): Update copyright year to 2013.
1835
1836 2012-12-20  Ian Lance Taylor  <iant@google.com>
1837
1838         * layout.cc (Layout::special_ordering_of_input_section): New
1839         function.
1840         (Layout::layout): If input section requires special ordering, must
1841         sort input sections.
1842         (Layout::make_output_section): May sort .text input sections.
1843         (Layout::is_section_name_prefix_grouped): Remove.
1844         * layout.h (class Layout): Declare
1845         special_ordering_of_input_section.  Don't declare
1846         is_section_name_prefix_grouped.
1847         * output.cc (Output_section::add_input_section): Revert last
1848         change.
1849         (Output_section::Input_section_sort::match_file_name): Don't crash
1850         if called on output section data.
1851         (Output_section::Input_section_sort_compare): Sort based on
1852         special ordering.
1853         (Output_section::Input_section_sort_section_order_index_compare):
1854         Revert last patch.
1855         (Output_section::sort_attached_input_sections): Likewise.
1856
1857 2012-12-18  Sriraman Tallam  <tmsriram@google.com>
1858
1859         * layout.cc (Layout::is_section_name_prefix_grouped): New function.
1860         * layout.h (Layout::is_section_name_prefix_grouped): New function.
1861         * output.cc (Output_section::add_input_section): Check if section
1862         name contains special prefix.  Keep input sections to sort such
1863         sections.
1864         (Output_section::Input_section_sort_section_order_index_compare
1865          ::operator()): Group sections according to prefixes.
1866         (Output_section::sort_attached_input_sections): Add condition to
1867         Input_section_entry constructor call.
1868         * testsuite/Makefile.am (text_section_grouping): New test.
1869         * testsuite/Makefile.in: Regenerate.
1870         * testsuite/text_section_grouping.cc: New file.
1871         * testsuite/text_section_grouping.sh: New file.
1872
1873 2012-12-17  Nick Clifton  <nickc@redhat.com>
1874
1875         * Makefile.am: Add copyright notice.
1876         * NEWS: Likewise.
1877         * README: Likewise.
1878         * configure.ac: Likewise.
1879         * ftruncate.c: Likewise.
1880         * Makefile.in: Regenerate.
1881
1882 2012-12-14  Cary Coutant  <ccoutant@google.com>
1883
1884         * testsuite/Makefile.am (exception_separate_shared_12_test): Add
1885         --no-as-needed flag.
1886         (exception_separate_shared_12_test): Likewise.
1887         (incremental_copy_test): Likewise.
1888         * testsuite/Makefile.in: Regenerate.
1889
1890 2012-12-14  Cary Coutant  <ccoutant@google.com>
1891
1892         * dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs.
1893         (Dwp_output_file::Dwp_index::enter_set): Add assert.
1894
1895 2012-12-12  Alan Modra  <amodra@gmail.com>
1896
1897         * powerpc.cc (class Track_tls): New.
1898         (class Relocate, class Scan): Inherit Track_tls.
1899         (Target_powerpc::Scan::local, global): Track tls optimization
1900         and avoid creating plt entry for __tls_get_addr if all uses
1901         are optimized away.
1902         (Target_powerpc::Relocate::relocate): Update to use Track_tls.
1903
1904 2012-12-12  Alan Modra  <amodra@gmail.com>
1905
1906         * options.h (General_options): Add --toc-sort/--no-toc-sort.
1907         Replace no_toc_optimize with toc_optimize.
1908         * output.h (Output_section::input_sections): Provide non-const variant.
1909         * powerpc.cc (Powerpc_relobj::has_small_toc_reloc_,
1910         set_has_small_toc_reloc, has_small_toc_reloc): New variable and
1911         accessors.
1912         (Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc.
1913         (class Sort_toc_sections): New.
1914         (Target_powerpc::do_finalize_sections): Sort toc sections.
1915         (Target_powerpc::Relocate::relocate): Update toc_optimize test.
1916
1917 2012-12-10  Roland McGrath  <mcgrathr@google.com>
1918
1919         * testsuite/binary_unittest.cc (read_all): New function.
1920         (Sized_binary_test): Use it instead of ::read.
1921         * fileread.cc (do_read): Don't assume pread always reads the whole
1922         amount in a single call.
1923
1924 2012-12-10  Alan Modra  <amodra@gmail.com>
1925
1926         * powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):
1927         Set EM_PPC64 or EM_PPC here.
1928         (Target_selector_powerpc::do_recognize): Delete.
1929
1930 2012-12-10  Alan Modra  <amodra@gmail.com>
1931
1932         * powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
1933         stub_table_.
1934         (Target_powerpc::Branch_info::make_stub): Don't omit addend.
1935
1936 2012-12-07  Roland McGrath  <mcgrathr@google.com>
1937
1938         * testsuite/binary_unittest.cc (Sized_binary_test):
1939         Use open_descriptor rather than ::open.
1940
1941 2012-12-07  Alan Modra  <amodra@gmail.com>
1942
1943         * powerpc.cc (Stub_table::do_write): Delete redundant Address
1944         typedef and invalid_address constant.
1945         (Output_data_glink, Stub_table, Target_powerpc): Explicitly
1946         instantiate constants.
1947
1948 2012-12-06  Roland McGrath  <mcgrathr@google.com>
1949
1950         * configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
1951         Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
1952         * aclocal.m4: Regenerate.
1953         * configure: Regenerate.
1954         * Makefile.in: Regenerate.
1955         * testsuite/Makefile.in: Regenerate.
1956
1957 2012-12-07  Alan Modra  <amodra@gmail.com>
1958
1959         * options.h (General_options): Add no_toc_optimize.
1960         * powerpc.cc (ok_lo_toc_insn): New function.
1961         (Target_powerpc::Relocate::relocate): Optimize toc access sequences.
1962
1963 2012-12-06  Alan Modra  <amodra@gmail.com>
1964
1965         * options.h (General_options): Add plt_align, plt_static_chain,
1966         plt_thread_safe.  Update stub_group_size help text.
1967         * powerpc.cc (Target_powerpc::plt_thread_safe): New access function
1968         for new plt_thread_safe_ var.
1969         (use_plt_offset): Correct comments.
1970         (Target_powerpc::do_relax): Look for thread creation symbols to
1971         determine default plt_thread_safe value.  Clear plt call stubs
1972         as well as branch stubs each iteration.
1973         (add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
1974         insn constants.
1975         (l, hi, ha, write_insn): Move earlier.
1976         (Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
1977         (Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
1978         plt stubs too.
1979         (Stub_table::update_size): Adjust.
1980         (Stub_table::prev_size, set_prev_size): Delete.
1981         (Stub_table::stub_align): Let --plt-align affect result.
1982         (Stub_table::plt_call_size): Calculate sizes for various stubs.
1983         (Stub_table::branch_stub_size): Use last_plt_size in address calc.
1984         (Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
1985         (Stub_table::do_write): Support more stub variants.
1986
1987 2012-12-04  Alan Modra  <amodra@gmail.com>
1988
1989         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
1990         (Target_powerpc::do_define_standard_symbols): New function.
1991
1992 2012-12-03  Alan Modra  <amodra@gmail.com>
1993
1994         * output.h: Formatting, whitespace.
1995
1996 2012-12-03  Alan Modra  <amodra@gmail.com>
1997
1998         * layout.h (Layout::get_executable_sections): Declare.
1999         * layout.cc (Layout::get_executable_sections): New function.
2000         * arm.cc (Target_arm::group_sections): Use it.
2001         (Arm_output_section::group_sections): Delete now redundant test.
2002         * output.cc (Output_reloc::Output_reloc): Add is_relative.
2003         param to handle relative relocs.
2004         * output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
2005         (Output_data_reloc::add_absolute): Adjust.
2006         (Output_data_reloc::add_relative): New function.
2007         (Output_data::reset_data_size): New function.
2008         (Output_relaxed_input_section::set_relobj, set_shndx): New functions.
2009         (Output_section::set_addralign): New function.
2010         (Output_section::checkpoint_set_addralign): New function.
2011         (Output_section::clear_section_offsets_need_adjustment): New function.
2012         (Output_section::input_sections): Make public.
2013         * powerpc.cc (class Output_data_brlt_powerpc): New.
2014         (class Stub_table, class Stub_control): New.
2015         (Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
2016         stub_table_, set_stub_table, stub_table): New vectors and accessor
2017         functions.
2018         (Target_powerpc::do_may_relax, do_relax, push_branch,
2019         new_stub_table, stub_tables, brlt_section, group_sections,
2020         add_branch_lookup_table, find_branch_lookup_table,
2021         write_branch_lookup_table, make_brlt_section): New functions.
2022         (Target_powerpc::struct Sort_sections, class Branch_info): New.
2023         (Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
2024         branch_info_): New vars.
2025         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
2026         make call stubs here.
2027         (Output_data_glink): Remove all call stub handling from this class.
2028         (Target_powerpc::Scan::local, global): Save interesting branch
2029         relocs and relocs for ifunc.  Adjust calls to plt entry functions.
2030         (Target_powerpc::do_finalize_sections): Only make reg save/restore
2031         functions on final link.
2032         (Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
2033         Handle long branch destinations too.
2034         (Target_powerpc::do_dynsym_value, do_plt_address_for_global,
2035         do_plt_address_for_local): Adjust lookup of plt call stubs.
2036
2037 2012-11-30  Alan Modra  <amodra@gmail.com>
2038
2039         * powerpc.c (Target_powerpc::Scan::global): Don't emit relative
2040         relocs against protected symbols when building 32-bit shared libs.
2041
2042 2012-11-30  Alan Modra  <amodra@gmail.com>
2043
2044         * powerpc.cc (Target_powerpc::make_plt_section): Add symtab
2045         param.  Call got_section() to make .got.  Update all callers
2046         and their callers and so on.
2047
2048 2012-11-30  Alan Modra  <amodra@gmail.com>
2049
2050         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
2051         _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
2052         (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
2053         value if it already exists.
2054
2055 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
2056
2057         PR gold/14858
2058         * x86_64.cc (Relocate::tls_ld_to_le): Support x32.
2059
2060 2012-11-14  Roland McGrath  <mcgrathr@google.com>
2061
2062         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
2063         than bfc instruction for data sandboxing.
2064
2065 2012-11-08  Alan Modra  <amodra@gmail.com>
2066
2067         * po/POTFILES.in: Regenerate.
2068
2069 2012-11-05  Alan Modra  <amodra@gmail.com>
2070
2071         * configure.ac: Apply 2012-09-10 change to config.in here.
2072         * configure: Regenerate.
2073
2074 2012-11-05  Alan Modra  <amodra@gmail.com>
2075
2076         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
2077         (struct Opd_ent): Use "Address" rather than "Offset".
2078         (Output_data_got_powerpc::got_base_offset): Return Valtype.
2079         (Target_powerpc::got_section): Make public.
2080         (Target_powerpc::scan_relocs): Move code setting symbols..
2081         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
2082         Create _SDA_BASE_ only when referenced.
2083
2084 2012-11-02  Roland McGrath  <mcgrathr@google.com>
2085
2086         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
2087         from last change.
2088
2089 2012-11-01  Roland McGrath  <mcgrathr@google.com>
2090
2091         * target.h (Sized_target::relocate_relocs): Use Elf_Off
2092         for offset_in_output_section parameter.
2093         (Sized_target::relocate_special_relocatable): Likewise.
2094         * arm.cc (Target_arm::relocate_relocs): Likewise.
2095         (Target_arm::relocate_special_relocatable): Likewise.
2096         * i386.cc (Target_i386::relocate_relocs): Likewise.
2097         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
2098         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
2099         * target-reloc.h (relocate_relocs): Likewise.
2100         * testsuite/testfile.cc (Target_test): Likewise.
2101         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
2102         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
2103
2104         * system.h: Move inclusion of <clocale> to after <libintl.h> in
2105         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
2106
2107         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
2108         parameter, which is unused in the [!F_SETFD] case.
2109
2110         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
2111         SYMNDX to off_t before comparing it to this->data_size().
2112         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
2113         * incremental.cc (Output_section_incremental_inputs::do_write):
2114         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
2115
2116         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
2117
2118 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
2119
2120         * gold.cc (Target_arm::do_adjust_elf_header): Add the
2121         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
2122         in EABI_VER5.
2123
2124 2012-10-29  Cary Coutant  <ccoutant@google.com>
2125
2126         * dwp.cc (usage): Add file and exit status parameters;
2127         add --help and --version options.
2128         (print_version): New function.
2129         (main): Add --help and --version options.
2130
2131 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
2132
2133         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
2134         final_layout_sequence.txt.
2135         * testsuite/Makefile.in: Regenerated.
2136
2137 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
2138
2139         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
2140         COMPILE generated by automake.
2141         (LINK1): Likewise.
2142         (CXXCOMPILE1): Likewise.
2143         (CXXLINK1): Likewise.
2144         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
2145         (LINK): Likewise.
2146         (CXXCOMPILE): Likewise.
2147         (CXXLINK): Likewise.
2148         * testsuite/Makefile.in: Regenerated.
2149
2150 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
2151
2152         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
2153         on bad fwrite return.
2154
2155 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
2156
2157         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
2158         on val.
2159
2160 2012-10-23  Cary Coutant  <ccoutant@google.com>
2161
2162         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
2163         * testsuite/Makefile.in: Regenerate.
2164         * testsuite/dwp_test.h: New source file.
2165         * testsuite/dwp_test_1.cc: New source file.
2166         * testsuite/dwp_test_1.s: New source file.
2167         * testsuite/dwp_test_1.sh: New source file.
2168         * testsuite/dwp_test_1b.cc: New source file.
2169         * testsuite/dwp_test_1b.s: New source file.
2170         * testsuite/dwp_test_2.cc: New source file.
2171         * testsuite/dwp_test_2.s: New source file.
2172         * testsuite/dwp_test_2.sh: New source file.
2173         * testsuite/dwp_test_main.cc: New source file.
2174         * testsuite/dwp_test_main.s: New source file.
2175
2176 2012-10-23  Cary Coutant  <ccoutant@google.com>
2177
2178         * dwp.h: New header file.
2179         * dwp.cc: New source file.
2180         * gold.h: Move shared declarations to system.h.
2181         * system.h: New header file.
2182         * Makefile.am: Add dwp.
2183         * Makefile.in: Regenerate.
2184
2185 2012-10-23  Cary Coutant  <ccoutant@google.com>
2186
2187         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
2188         Dwarf_info_reader::read_from_pointer.
2189         (Dwarf_pubnames_table::read_header): Likewise.
2190         (Dwarf_pubnames_table::next_name): Likewise.
2191         (Dwarf_die::read_attributes): Likewise.
2192         (Dwarf_die::skip_attributes): Likewise.
2193         (Dwarf_info_reader::read_from_pointer): New function template.
2194         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
2195         (Dwarf_pubnames_table): Likewise.
2196         (Dwarf_info_reader::read_from_pointer): New function template.
2197         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
2198         Dwarf_pubnames_table ctor.
2199
2200 2012-10-23  Cary Coutant  <ccoutant@google.com>
2201
2202         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
2203         abbrev_shndx.
2204         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
2205         abbrev_shndx_.
2206         (Dwarf_info_reader::set_abbrev_shndx): New method.
2207         (Dwarf_info_reader::abbrev_shndx_): New data member.
2208
2209 2012-10-23  Cary Coutant  <ccoutant@google.com>
2210
2211         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
2212         from object, not parameters.
2213         (Dwarf_info_reader::parse): Likewise.
2214         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
2215         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
2216         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
2217         methods.
2218
2219 2012-10-23  Cary Coutant  <ccoutant@google.com>
2220
2221         * fileread.cc (Input_file::Input_file): New constructor.
2222         * fileread.h (class Input_file): Add new constructor.
2223
2224 2012-10-18  Alan Modra  <amodra@gmail.com>
2225
2226         PR gold/14727
2227         * object.cc (Relobj::is_section_name_included): Also match
2228         .sdata personality section.
2229
2230 2012-10-18  Alan Modra  <amodra@gmail.com>
2231
2232         * target-reloc.h (class Default_comdat_behavior): New, package up..
2233         (get_comdat_behaviour): ..this.
2234         (relocate_section): Add Relocate_comdat_behavior template arg,
2235         adjust code to suit.
2236         * arm.cc (Target_arm::relocate_section): Adjust to suit.
2237         (Target_arm::scan_reloc_section): Likewise.
2238         * i386.cc (Target_i386::relocate_section): Likewise.
2239         * sparc.cc (Target_sparc::relocate_section): Likewise.
2240         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
2241         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
2242         * powerpc.cc (class Relocate_comdat_behavior): New.
2243         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
2244         gold::relocate_section with new template arg.
2245
2246 2012-10-18  Alan Modra  <amodra@gmail.com>
2247
2248         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
2249         dynamic relocs for GOT_TPREL got entries, without symbol if
2250         resolving locally.
2251         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
2252         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
2253         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
2254
2255 2012-10-17  Alan Modra  <amodra@gmail.com>
2256
2257         PR gold/14726
2258         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
2259
2260 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
2261
2262         * layout.cc (Layout::include_section): Keep sections marked
2263         SHF_EXCLUDE when doing relocatable links.
2264
2265 2012-10-16  Alan Modra  <amodra@gmail.com>
2266
2267         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
2268         (Target_powerpc::do_finalize_sections): Call it.
2269         (Output_data_save_res): New class and supporting functions.
2270         (Target_powerpc::symval_for_branch): Only look up .opd entry for
2271         normal symbols defined in object files.
2272
2273 2012-10-12  Alan Modra  <amodra@gmail.com>
2274
2275         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
2276         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
2277         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
2278         section if scan_opd_relocs not yet called.
2279         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
2280
2281 2012-10-12  Alan Modra  <amodra@gmail.com>
2282
2283         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
2284         add_local_ifunc_entry): Revert last change.
2285         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
2286
2287 2012-10-05  Alan Modra  <amodra@gmail.com>
2288
2289         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
2290         do_plt_address_for_global): New functions.
2291         (Output_data_got_powerpc::do_write): Don't segfault when linking
2292         statically.
2293         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
2294         add_local_ifunc_entry): Return true on adding entry..
2295         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
2296         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
2297         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
2298         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
2299         set up symbols here.
2300         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
2301         syms here.  Do so even when no .iplt.  Don't segfault when linking
2302         statically.
2303         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
2304         new variants without reloc param.
2305         (Glink_sym_ent::Glink_sym_ent): Likewise.
2306         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
2307         reloc when refs will resolve to plt call stub.
2308         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
2309         R_PPC_PLTREL24 to resolve locally.
2310         (Target_powerpc::Scan::global): Correct ifunc handling.
2311         (Target_powerpc::Relocate::relocate): Correct local sym glink
2312         lookup.  Don't destroy "value" when we have a plt call stub,
2313         and when checking plt call validity.
2314         (Target_powerpc::do_dynsym_value): Simplify.
2315
2316 2012-10-05  Alan Modra  <amodra@gmail.com>
2317
2318         * i386.cc (Output_data_plt_i386::address_for_global,
2319         address_for_local): Add plt offset to returned value.  Adjust uses.
2320         * sparc.cc (Output_data_plt_sparc::address_for_global,
2321         address_for_local): Likewise.
2322         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
2323         address_for_local): Likewise.
2324         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
2325         address_for_local): Likewise.
2326         * target.h (Target::plt_address_for_global, plt_address_for_local):
2327         Update comment.
2328         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
2329         (Output_data_got::Got_entry::write): Nor here.
2330         * output.h: Comment fix.
2331
2332 2012-10-02  Jiong Wang  <jiwang@tilera.com>
2333
2334         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
2335         global_offset_table_ value for larget got.
2336         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
2337
2338 2012-09-29  Alan Modra  <amodra@gmail.com>
2339
2340         * powerpc.cc (Target_powerpc::iplt_): New output section.
2341         (Target_powerpc::iplt_section, make_iplt_section,
2342         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
2343         (Target_powerpc::make_plt_entry): Handle ifunc syms.
2344         Target_powerpc::plt_entry_count): Count iplt entries too.
2345         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
2346         reloc section in constructor.  New params.
2347         (Target_powerpc::make_plt_section): Create reloc section here instead.
2348         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
2349         functions.
2350         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
2351         (Output_data_glink::add_entry, find_entry): New functions to
2352         deal with local syms.
2353         (Glink_sym_ent): Add support for local syms.
2354         (Output_data_glink::do_write): Handle ifunc plt entries.
2355         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
2356         (Target_powerpc::Scan::local, global): Handle ifunc syms.
2357         (Target_powerpc::Relocate::relocate): Likewise.
2358         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
2359
2360 2012-09-25  Alan Modra  <amodra@gmail.com>
2361
2362         * object.h (Sized_relobj_file::adjust_local_symbol,
2363         do_adjust_local_symbol): New functions.
2364         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
2365         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
2366         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
2367         and irregular opd entry spacing.
2368         (Powerpc_relobj::do_read_relocs): Add opd size checks.
2369         (Global_symbol_visitor_opd): New functor.
2370         (Target_powerpc::do_finalize_sections): Omit global symbols defined
2371         on deleted opd entries.
2372
2373 2012-09-15  Jiong Wang  <jiwang@tilera.com>
2374
2375         * tilegx.cc: New file.
2376         * Makefile.am (TARGETSOURCES): Add tilegx.cc
2377         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
2378         * configure.tgt: Add entries for tilegx*.
2379         * configure.ac: Likewise.
2380         * Makefile.in: Rebuild.
2381         * configure: Likewise.
2382         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
2383         tilegx.
2384
2385 2012-09-13  Alan Modra  <amodra@gmail.com>
2386
2387         * target-reloc.h (scan_relocs): Call scan.local for relocs
2388         against symbols in discarded sections.  Pass is_discarded
2389         param.
2390         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
2391         Add is_discarded param.
2392         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
2393         is_discarded to flag opd entry as discarded.  Don't emit dyn
2394         relocs on such entries.
2395         (Target_powerpc::Scan::global): Similarly detect and handle
2396         such opd entries.
2397         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
2398         opd_ent_.  Update all uses.
2399         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
2400         (Target_powerpc::relocate_section): Zero out discarded opd
2401         entry relocs.
2402
2403 2012-09-12  Ian Lance Taylor  <iant@google.com>
2404
2405         PR gold/14570
2406         * output.cc: Rename Output_data_got template parameter from size
2407         to got_size for all functions.  Compile all variants of
2408         Output_data_got.
2409         (Output_data_got::Got_entry::write): Correct use of size for
2410         symbol value.  Use local_is_tls rather than casting to
2411         Sized_relobj_file.
2412         * object.h (class Object): Add local_is_tls and do_local_is_tls.
2413         (class Sized_relobj_file): Add do_local_is_tls.
2414         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
2415
2416 2012-09-11  Alan Modra  <amodra@gmail.com>
2417
2418         PR gold/14566
2419         * layout.cc (Layout::set_segment_offsets): When using
2420         common-page-size alignment, ensure we are on a new max-page-size
2421         page.
2422         * output.cc (Output_segment::set_section_addresses): Use
2423         abi_pagesize, not common_pagesize for relro boundary.
2424         (Output_segment::set_offset): Likewise.
2425
2426 2012-09-11  Alan Modra  <amodra@gmail.com>
2427
2428         * output.h (Output_data_got::add_global_tls, add_local_tls,
2429         add_local_tls_pair): New functions.
2430         (Output_data_got::add_local_pair_with_rel): Remove second
2431         reloc param.  Expand comment.
2432         (Output_data_got::Got_entry): Rename use_plt_offset_ to
2433         use_plt_or_tls_offset_, similarly for constructor param.
2434         (Output_data_got::Got_entry::write): Add got_index param.
2435         * output.cc (Output_data_got::add_global_tls, add_local_tls,
2436         add_local_tls_pair): New functions.
2437         (Output_data_got::Got_entry::write): Handle tls symbols
2438         with use_plt_or_tls_offset_ set specially.
2439         (Output_data_got::add_local_pair_with_rel): Only one reloc.
2440         (Output_data_got::do_write): Replace iterator with index, pass
2441         index to entry write function.
2442         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
2443         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
2444         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
2445         call.
2446         * i386.cc (Target_i386::Scan::local): Likewise.
2447         * sparc.cc (Target_sparc::Scan::local): Likewise.
2448         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
2449         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
2450         do_tls_offset_for_global): New functions.
2451         (Target_powerpc::Scan::local): Correct TLS relocations and got
2452         entry values.
2453         (Target_powerpc::Scan::global): Don't emit unnecessary
2454         dynamic relocations on TLS GOT entries.
2455
2456 2012-09-10  Matthias Klose  <doko@ubuntu.com>
2457
2458         * config.in: Disable sanity check for kfreebsd.
2459
2460 2012-09-10  Sterling Augustine  <saugustine@google.com>
2461
2462         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
2463         (Gdb_index::pubtypes_read): New parameter.
2464         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
2465         to calls.
2466         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
2467         pubtypes_object_.
2468
2469 2012-09-09  Alan Modra  <amodra@gmail.com>
2470
2471         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
2472         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
2473         * gc.h (gc_process_relocs): Call target gc_add_reference.
2474         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
2475         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
2476         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
2477         unnecessary cast.
2478         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
2479         to cater for when we don't need code offset.  Update use.
2480         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
2481         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
2482         set_opd_valid): New functions.
2483         (Target_powerpc::do_gc_add_reference): New function.
2484         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
2485         stashed refs.
2486         (Target_powerpc::do_gc_mark_symbol): New function.
2487
2488 2012-09-06  Cary Coutant  <ccoutant@google.com>
2489
2490         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
2491         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
2492         (Dwarf_die::skip_attributes): Likewise.
2493         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
2494         * testsuite/gdb_index_test.cc (inline_func_1): New function.
2495         (main): Call it.
2496         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
2497
2498 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
2499
2500         * testsuite/script_test_3.t: Add .got.plt output section
2501         statement.
2502         * testsuite/script_test_4.t: Likewise.
2503
2504 2012-09-05  Alan Modra  <amodra@gmail.com>
2505
2506         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
2507         update all uses and lose "enum" when using type.
2508
2509 2012-09-05  Alan Modra  <amodra@gmail.com>
2510
2511         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
2512         * configure: Regenerate.
2513         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
2514         (plugin_final_layout.stdout): Likewise.
2515         (memory_test): Set page sizes to 0x1000.
2516         * testsuite/Makefile.in: Regenerate.
2517         * testsuite/discard_locals_test.sh: Add FIXME comment.
2518         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
2519         * testsuite/pr14265.t: Add .got output section statement.
2520         * testsuite/script_test_2.t: Likewise.
2521         * testsuite/script_test_3.t: Likewise.
2522         * testsuite/script_test_4.t: Likewise.
2523         * testsuite/script_test_5.t: Likewise.
2524         * testsuite/script_test_6.t: Likewise.
2525         * testsuite/script_test_7.t: Likewise.
2526         * testsuite/script_test_9.t: Likewise.
2527
2528 2012-09-05  Alan Modra  <amodra@gmail.com>
2529
2530         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
2531         (Powerpc_relocate_functions::Status): New typedef.
2532         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
2533         (Target_powerpc::Scan::local): Handle REL64.
2534         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
2535         for REL32 and REL64.
2536         (Target_powerpc::symval_for_branch): New function, extracted from..
2537         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
2538         checks.  Report overflow errors.
2539
2540 2012-09-05  Alan Modra  <amodra@gmail.com>
2541
2542         * object.h (Sized_relobj_file::emit_relocs): Delete.
2543         (Sized_relobj_file::emit_relocs_reltype): Delete.
2544         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
2545         relocate_relocs for --emit-relocs.
2546         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
2547         * output.h: Update comment.
2548         (Output_segment::first_section): New function.
2549         (Output_segment::first_section_load_address): Use first_section.
2550         * output.cc (Output_segment::first_section): New function extracted..
2551         (Output_segment::first_section_load_address): ..from here.  Delete.
2552         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
2553         * target.h (Sized_target::relocate_for_relocatable): Likewise.
2554         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
2555         adjust call to target.h function.
2556         * i386.cc (Target_i386): Likewise.
2557         * sparc.cc (Target_sparc): Likewise.
2558         * x86_64.cc (Target_x86_64): Likewise.
2559         * powerpc.cc (Target_powerpc): Likewise.
2560         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
2561         first tls section has section symbol for optimised local dynamic
2562         output relocs.
2563         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
2564         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
2565         optimised tls code.
2566         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
2567         Rename to relocate_relocs.  Update error message.
2568
2569 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
2570
2571         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
2572         --just-symbols.
2573
2574 2012-08-31  Alan Modra  <amodra@gmail.com>
2575
2576         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
2577         (Powerpc_relobj::toc_base_offset): New stub function.
2578         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
2579         got_mod_index_offset to tlsld_got_offset.  Update all refs.
2580         (Target_powerpc::Relocate::enum skip_tls): New.
2581         (Target_powerpc::call_tls_get_addr_): New var.
2582         (Target_powerpc::is_branch_reloc): Move to file scope.
2583         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
2584         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
2585         New functions.
2586         (Target_powerpc::enum Got_type): Delete old values, add new ones.
2587         (powerpc_info): Correct common_pagesize for ppc64.
2588         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
2589         (Powerpc_relocate_functions): Add overflow check enums and functions.
2590         Add non-shift version of rela, rela_ua.  Delete all rel public
2591         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
2592         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
2593         addr16_ha3, addr14 functions.
2594         (Output_data_got_powerpc::add_constant_pair): New function.
2595         (Output_data_got_powerpc::got_base_offset): Likewise.
2596         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
2597         (instruction constants): Sort, add some more.
2598         (Output_data_glink::do_write): Add and use Address typedef.  Use
2599         object->toc_base_offset() stub for 64-bit.
2600         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
2601         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
2602         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
2603         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
2604         Always treat .opd relocs as against locally defined symbol.
2605         Correct condition for RELATIVE relocs.
2606         (Target_powerpc::do_finalize_sections): Test for NULL sections.
2607         (Target_powerpc::Relocate::relocate): Use plt call stub as value
2608         for 32-bit syms with a plt entry.  Correct ppc64 toc base
2609         calculations.  Handle TLS relocs, and more.  Add overflow
2610         checking and adjust for Powerpc_relocate_functions changes.
2611         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
2612         Reinstate --emit-relocs code with FIXME.
2613
2614 2012-08-30  Alan Modra  <amodra@gmail.com>
2615
2616         * layout.cc (Layout::set_segment_offsets): Set p_align to
2617         abi_pagesize, not common_pagesize.
2618         (Layout::relaxation_loop_body): Similarly use abi_pagesize
2619         to determine whether file header can go in segment.
2620
2621 2012-08-30  Alan Modra  <amodra@gmail.com>
2622
2623         * output.h (Output_reloc::Output_reloc <output section>): Add
2624         is_relative param.  Adjust calls.
2625         (Output_reloc::add_output_section_relative): New functions.
2626         * output.cc (Output_reloc::Output_reloc <output section>): Handle
2627         is_relative.
2628         (Output_reloc::symbol_value): Handle SECTION_CODE.
2629
2630 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
2631
2632         * gold.cc (queue_middle_tasks): Call layout again when unique
2633         segments for sections is desired.
2634         * layout.cc (Layout::Layout): Initialize new members.
2635         (Layout::get_output_section_flags): New function.
2636         (Layout::choose_output_section): Call get_output_section_flags.
2637         (Layout::layout): Make output section for mapping to a unique segment.
2638         (Layout::insert_section_segment_map): New function.
2639         (Layout::attach_allocated_section_to_segment): Make unique segment for
2640         output sections marked so.
2641         (Layout::segment_precedes): Check for unique segments when sorting.
2642         * layout.h (Layout::Unique_segment_info): New struct.
2643         (Layout::Section_segment_map): New typedef.
2644         (Layout::insert_section_segment_map): New function.
2645         (Layout::get_output_section_flags): New function.
2646         (Layout::is_unique_segment_for_sections_specified): New function.
2647         (Layout::set_unique_segment_for_sections_specified): New function.
2648         (Layout::unique_segment_for_sections_specified_): New member.
2649         (Layout::section_segment_map_): New member.
2650         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
2651         Rename is_gc_pass_one to is_pass_one.
2652         Rename is_gc_pass_two to is_pass_two.
2653         Rename is_gc_or_icf to is_two_pass.
2654         Check for which pass based on whether symbols data is present.
2655         Make it two pass when unique segments for sections is desired.
2656         * output.cc (Output_section::Output_section): Initialize new
2657         members.
2658         * output.h (Output_section::is_unique_segment): New function.
2659         (Output_section::set_is_unique_segment): New function.
2660         (Output_section::is_unique_segment_): New member.
2661         (Output_section::extra_segment_flags): New function.
2662         (Output_section::set_extra_segment_flags): New function.
2663         (Output_section::extra_segment_flags_): New member.
2664         (Output_section::segment_alignment): New function.
2665         (Output_section::set_segment_alignment): New function.
2666         (Output_section::segment_alignment_): New member.
2667         (Output_segment::Output_segment): Initialize is_unique_segment_.
2668         (Output_segment::is_unique_segment): New function.
2669         (Output_segment::set_is_unique_segment): New function.
2670         (Output_segment::is_unique_segment_): New member.
2671         * plugin.cc (allow_unique_segment_for_sections): New function.
2672         (unique_segment_for_sections): New function.
2673         (Plugin::load): Add new functions to transfer vector.
2674         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
2675         * Makefile.in: Regenerate.
2676         * testsuite/plugin_final_layout.sh: Check if unique segment
2677         functionality works.
2678         * testsuite/plugin_section_order.c (onload): Check if new interfaces
2679         are available.
2680         (allow_unique_segment_for_sections): New global.
2681         (unique_segment_for_sections): New global.
2682         (claim_file_hook): Call allow_unique_segment_for_sections.
2683         (all_symbols_read_hook): Call unique_segment_for_sections.
2684
2685 2012-08-22  Cary Coutant  <ccoutant@google.com>
2686
2687         * layout.cc (Layout::include_section): Don't assert on GROUP
2688         sections with --emit-relocs.
2689
2690 2012-08-21  Cary Coutant  <ccoutant@google.com>
2691
2692         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
2693         if --export-dynamic-symbol names an undef symbol.
2694
2695 2012-08-18  Alan Modra  <amodra@gmail.com>
2696
2697         * powerpc.cc: Formatting and white space.
2698         (Powerpc_relobj): Rename got2_section_ to special_.
2699         Add opd_ent_shndx_ and opd_ent_off_ vectors.
2700         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
2701         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
2702         (Target_powerpc): Add Address typedef and invalid_address.  Use
2703         throughout.
2704         (Target_powerpc::is_branch_reloc): New function.
2705         (Powerpc_relocate_functions): Add Address typedef, use throughout.
2706         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
2707         for dst_mask, value and addend.
2708         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
2709         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
2710         (Output_data_glink::do_write): Correct toc base.  Don't try to use
2711         uint16_t for 24-bit offset.  Use get_output_section_offset and
2712         check return.
2713         (Target_powerpc::Scan::local): Handle more relocs.
2714         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
2715         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
2716         Plug in toc restoring insn after plt calls.  Translate branches
2717         to function descriptor symbols to corresponding entry point.
2718         (Target_powerpc::relocate_for_relocatable): Check return from
2719         get_output_section_offset.
2720         * symtab.h: Comment typo.
2721
2722 2012-08-14  Ian Lance Taylor  <iant@google.com>
2723
2724         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
2725         unsupported_relocal_local to call unsupported_reloc_global.
2726
2727 2012-08-14  Nick Clifton  <nickc@redhat.com>
2728
2729         PR ld/14265
2730         * script-sections.cc (Sections_element::output_section_name): Add
2731         keep return parameter.
2732         (Output_section_element::match_name): Add keep return parameter.
2733         Return the value of the keep_ member.
2734         * script-sections.h (class Output_section): Update
2735         output_section_name prototype.
2736         * layout.cc (Layout::keep_input_section): New public member
2737         function.
2738         (Layout::choose_output_section): Pass keep parameter to
2739         output_section_name.
2740         * layout.h (class Layout): Add keep_input_section.
2741         * object.cc (Sized_relobj_file::do_layout): Check for kept input
2742         sections.
2743         * testsuite/Makefile.am: Add a test.
2744         * testsuite/Makefile.in: Regenerate.
2745         * testsuite/pr14265.c: Source file for the test.
2746         * testsuite/pr14265.t: Linker script for the test.
2747         * testsuite/pr14265.sh: Shell script for the test.
2748
2749 2012-08-14  Alan Modra  <amodra@gmail.com>
2750
2751         * target.h (Target::output_section_name): New function.
2752         (Target::do_output_section_name): New function.
2753         * layout.cc (Layout::choose_output_section): Call the above.
2754         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
2755
2756 2012-08-14  Alan Modra  <amodra@gmail.com>
2757
2758         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
2759         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
2760         for replace_constant call.
2761         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
2762         (Output_data_glink::do_print_to_mapfile): New function.
2763         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
2764         (Target_powerpc::Relocate::relocate): Likewise.
2765
2766 2012-08-14  Alan Modra  <amodra@gmail.com>
2767
2768         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
2769         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
2770         (Output_data_glink::add_entry,find_entry): Remove shndx param.
2771         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
2772         all references to shndx_.  Handle special case for R_PPC_PLTREL24
2773         here.
2774         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
2775         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
2776         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
2777         here.
2778         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
2779         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
2780
2781 2012-08-12  Alan Modra  <amodra@gmail.com>
2782
2783         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
2784         (glink insn constants): Use uint32_t.
2785         (Output_data_glink::add_entry): Use insert, not [] operator.
2786
2787 2012-08-11  Alan Modra  <amodra@gmail.com>
2788
2789         * object.h (Sized_relobj_file::find_shdr): New function.
2790         (Sized_relobj_file::find_special_sections): New function.
2791         * object.cc (Sized_relobj_file::find_shdr): New function.
2792         (Sized_relobj_file::find_eh_frame): Use find_shdr.
2793         (Sized_relobj_file::find_special_sections): New function, split out..
2794         (Sized_relobj_file::do_read_symbols): ..from here.
2795         * output.h (Output_data_got::replace_constant): New function.
2796         (Output_data_got::num_entries): New function.
2797         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
2798         (Output_data_got::got_offset): Protected rather than private.
2799         (Output_data_got::replace_got_entry): New function.
2800         * output.cc (Output_data_got::replace_got_entry): New function.
2801         * powerpc.cc (class Powerpc_relobj): New.
2802         (class Powerpc_relocate_functions): Delete all psymval variants or
2803         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
2804         Implement _ha functions using corresponding _hi function.
2805         (Powerpc_relobj::find_special_sections): New function.
2806         (Target_powerpc::do_make_elf_object): New function.
2807         (class Output_data_got_powerpc): New.
2808         (class Output_data_glink): New.
2809         (class Powerpc_scan_relocatable_reloc): New.
2810         Many more changes througout file.
2811
2812 2012-08-09  Nick Clifton  <nickc@redhat.com>
2813
2814         * po/vi.po: Updated Vietnamese translation.
2815
2816 2012-08-07  Ian Lance Taylor  <iant@google.com>
2817
2818         * layout.cc (Layout::add_target_dynamic_tags): If
2819         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
2820         plt_rel.
2821
2822 2012-07-30  Nick Clifton  <nickc@redhat.com>
2823
2824         * po/gold.pot: Updated template.
2825         * po/es.po: Updated Spanish translation.
2826
2827 2012-07-18  Cary Coutant  <ccoutant@google.com>
2828
2829         PR gold/14344
2830         * configure.ac: Add check for -gpubnames support.
2831         * configure: Regenerate.
2832         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
2833         support; force -gno-pubnames.
2834         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
2835         support.
2836         (gdb_index_test_4): New test.
2837         * testsuite/Makefile.in: Regenerate.
2838         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
2839         * testsuite/gdb_index_test_2.sh: Likewise.
2840         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
2841         * testsuite/gdb_index_test_4.sh: New script.
2842         * testsuite/gdb_index_test_comm.sh: New script with common code;
2843         don't look for space after colon.
2844
2845 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
2846
2847         * gold.cc (queue_middle_tasks): Update function order only after
2848         deferred objects due to plugins are processed.
2849
2850 2012-07-11  Ian Lance Taylor  <iant@google.com>
2851
2852         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
2853         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
2854         (Target_arm::scan_reloc_for_stub): Likewise.
2855         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
2856         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
2857         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
2858         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
2859         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
2860
2861 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
2862             Ian Lance Taylor  <iant@google.com>
2863
2864         PR gold/14309
2865         * configure.ac: Test whether std::tr1::hash<off_t> works.
2866         * gold.h: Add a specialization for std::tr1::hash<off_t> if
2867         needed.
2868         * output.h (class Output_fill): Add virtual destructor.
2869         * configure, config.in: Rebuild.
2870
2871 2012-06-22  Roland McGrath  <mcgrathr@google.com>
2872
2873         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
2874
2875 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
2876
2877         * plugin.cc (Plugin::load): Handle position independent executables.
2878
2879 2012-06-06  Cary Coutant  <ccoutant@google.com>
2880
2881         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
2882         add .debug_macro.
2883         (lines_only_debug_sections): Likewise.
2884         (gdb_fast_lookup_sections): New static array.
2885         (is_gdb_debug_section): Rename formal parameter.
2886         (is_lines_only_debug_section): Likewise.
2887         (is_gdb_fast_lookup_section): New function.
2888         (Layout::include_section): Check for ".zdebug_" prefix; pass
2889         section name suffix to is_gdb_debug_section, et al.; check for
2890         fast-lookup sections when building .gdb_index.
2891         * options.h (--strip-debug-gdb): Update GDB version number.
2892
2893 2012-06-06  Cary Coutant  <ccoutant@google.com>
2894
2895         * configure.ac: Add check for fallocate.
2896         * configure: Regenerate.
2897         * config.in: Regenerate.
2898
2899         * options.h (class General_options): Add --mmap-output-file and
2900         --posix-fallocate options.
2901         * output.cc: (posix_fallocate): Remove; replace with...
2902         (gold_fallocate): New function.
2903         (Output_file::map_no_anonymous): Call gold_fallocate.
2904         (Output_file::map): Check --mmap-output-file option.
2905
2906 2012-06-05  Jing Yu  <jingyu@google.com>
2907
2908         * gold.h (textdomain): Add do {} to empty while(0).
2909         (bindtextdomain): Likewise.
2910
2911 2012-06-04  Cary Coutant  <ccoutant@google.com>
2912
2913         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
2914         has_dynsym_index.
2915
2916 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
2917
2918         * symtab.cc (Symbol_table::define_special_symbol):
2919         Initialize *poldsym to prevent uninitialized variable errors.
2920
2921 2012-05-23  Cary Coutant  <ccoutant@google.com>
2922
2923         * layout.cc (Layout::section_name_mapping): Add rules to handle
2924         exact match on .data.rel.ro.local or .data.rel.ro.
2925         (Layout::output_section_name): Check for exact matches.
2926
2927 2012-05-23  Cary Coutant  <ccoutant@google.com>
2928
2929         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
2930         more carefully.
2931
2932 2012-05-22  Cary Coutant  <ccoutant@google.com>
2933
2934         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
2935         object before exporting symbol.
2936
2937 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2938
2939         * testsuite/tls_test.cc: Include "config.h" first.
2940         * testsuite/tls_test_c.c: Likewise.
2941
2942 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
2943             Nick Clifton  <nickc@redhat.com>
2944
2945         PR 14072
2946         * configure.in: Add check that sysdep.h has been included before
2947         any system header files.
2948         * configure: Regenerate.
2949         * config.in: Regenerate.
2950
2951 2012-05-14  Cary Coutant  <ccoutant@google.com>
2952
2953         * layout.cc (Layout::make_output_section): Mark .tdata section
2954         as RELRO.
2955         * testsuite/relro_test.cc: Add a TLS variable.
2956
2957 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
2958
2959         PR gold/14091
2960         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
2961         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
2962         R_X86_64_64.
2963
2964 2012-05-08  Cary Coutant  <ccoutant@google.com>
2965
2966         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
2967         (lines_only_debug_sections): Likewise.
2968
2969 2012-05-02  Roland McGrath  <mcgrathr@google.com>
2970
2971         * nacl.cc: New file.
2972         * nacl.h: New file.
2973         * Makefile.am (CCFILES, HFILES): Add them.
2974         * Makefile.in: Regenerate.
2975         * i386.cc (Output_data_plt_i386_nacl): New class.
2976         (Output_data_plt_i386_nacl_exec): New class.
2977         (Output_data_plt_i386_nacl_dyn): New class.
2978         (Target_i386_nacl): New class.
2979         (Target_selector_i386_nacl): New class.
2980         (target_selector_i386): Use it instead of Target_selector_i386.
2981         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
2982         (Target_x86_64_nacl): New class.
2983         (Target_selector_x86_64_nacl): New class.
2984         (target_selector_x86_64, target_selector_x32): Use it instead of
2985         Target_selector_x86_64.
2986         * arm.cc (Output_data_plt_arm_nacl): New class.
2987         (Target_arm_nacl): New class.
2988         (Target_selector_arm_nacl): New class.
2989         (target_selector_arm, target_selector_armbe): Use it instead of
2990         Target_selector_arm.
2991
2992         * target-select.cc (select_target): Take new Input_file* and off_t
2993         arguments, pass them on to recognize method of selector.
2994         * object.cc (make_elf_sized_object): Update caller.
2995         * parameters.cc (parameters_force_valid_target): Likewise.
2996         * incremental.cc (make_sized_incremental_binary): Likewise.
2997         * target-select.h: Update decl.
2998         (Target_selector::recognize): Take new Input_file* argument,
2999         pass it on to do_recognize.
3000         (Target_selector::do_recognize): Take new Input_file* argument.
3001         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
3002         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
3003         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
3004         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
3005
3006         * target.h (Target::Target_info): New members isolate_execinstr
3007         and rosegment_gap.
3008         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
3009         * arm.cc (Target_arm::arm_info): Update initializer.
3010         * i386.cc (Target_i386::i386_info): Likewise.
3011         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
3012         * sparc.cc (Target_sparc::sparc_info): Likewise.
3013         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
3014         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
3015         * layout.cc (Layout::attach_allocated_section_to_segment):
3016         Take new const Target* argument.  If target->isolate_execinstr(), act
3017         like --rosegment.
3018         (Layout::find_first_load_seg): Take new const Target* argument;
3019         if target->isolate_execinstr(), reject PF_X segments.
3020         (Layout::relaxation_loop_body): Update caller.
3021         (Layout::set_segment_offsets): If target->isolate_execinstr(),
3022         reset file offset to zero when we hit LOAD_SEG, and then do a second
3023         loop over the segments before LOAD_SEG to reassign offsets after
3024         addresses have been determined.  Handle target->rosegment_gap().
3025         (Layout::attach_section_to_segment): Take new const Target* argument;
3026         pass it to attach_allocated_section_to_segment.
3027         (Layout::make_output_section): Update caller.
3028         (Layout::attach_sections_to_segments): Take new const Target* argument;
3029         pass it to attach_section_to_segment.
3030         * gold.cc (queue_middle_tasks): Update caller.
3031         * layout.h (Layout): Update method decls with new arguments.
3032
3033         * arm.cc (Target_arm::Target_arm): Take optional argument for the
3034         Target_info pointer to use.
3035         (Target_arm::do_make_data_plt): New virtual method.
3036         (Target_arm::make_data_plt): New method that calls it.
3037         (Target_arm::make_plt_entry): Use it.
3038         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
3039         for the section alignment.
3040         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
3041         method.
3042         (Output_data_plt_arm::first_plt_entry_offset): Call it.
3043         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
3044         method.
3045         (Output_data_plt_arm::get_plt_entry_size): Call it.
3046         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
3047         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
3048         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
3049         method.
3050         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
3051         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
3052         method instead of sizeof(plt_entry).
3053         (Output_data_plt_arm::add_entry): Likewise.
3054         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
3055         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
3056         than static method.
3057         (Target_arm::plt_entry_size): Likewise.
3058         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
3059         Move to ...
3060         (Output_data_plt_arm_standard): ... here, new class.
3061         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
3062         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
3063         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
3064
3065         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
3066         Take additional argument for the PLT entry size.
3067         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
3068         Use get_plt_entry_size method rather than plt_entry_size variable.
3069         (Output_data_plt_x86_64::reserve_slot): Likewise.
3070         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
3071         (Output_data_plt_x86_64::add_entry): Likewise.
3072         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
3073         (Output_data_plt_x86_64::address_for_global): Likewise.
3074         (Output_data_plt_x86_64::address_for_local): Likewise.
3075         (Output_data_plt_x86_64::set_final_data_size): Likewise.
3076         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
3077         Make method non-static.
3078         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
3079         method.
3080         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
3081         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
3082         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
3083         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
3084         virtual method.
3085         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
3086         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
3087         virtual method.
3088         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
3089         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
3090         virtual method.
3091         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
3092         (Output_data_plt_x86_64::plt_entry_size)
3093         (Output_data_plt_x86_64::first_plt_entry)
3094         (Output_data_plt_x86_64::plt_entry)
3095         (Output_data_plt_x86_64::tlsdesc_plt_entry)
3096         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
3097         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
3098         (Output_data_plt_x86_64_standard): ... here, new class.
3099         (Target_x86_64::Target_x86_64): Take optional argument for the
3100         Target_info pointer to use.
3101         (Target_x86_64::do_make_data_plt): New virtual method.
3102         (Target_x86_64::make_data_plt): New method to call it.
3103         (Target_x86_64::init_got_plt_for_update): Use that.
3104         Call this->plt_->add_eh_frame method here.
3105         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
3106         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
3107         rather than static method.
3108         (Target_x86_64::plt_entry_size): Likewise.
3109         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
3110         rather than plt_entry_size variable.  Move guts of PLT filling to...
3111         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
3112         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
3113         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
3114
3115         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
3116         additional argument for the section alignment.
3117         Don't do add_eh_frame_for_plt here.
3118         (Output_data_plt_i386::first_plt_entry_offset): Make the method
3119         non-static.  Use get_plt_entry_size method rather than plt_entry_size
3120         variable.
3121         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
3122         method.
3123         (Output_data_plt_i386::get_plt_entry_size): Call it.
3124         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
3125         (Output_data_plt_i386::add_eh_frame): New method to call it.
3126         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
3127         method.
3128         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
3129         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
3130         method.
3131         (Output_data_plt_i386::fill_plt_entry): New method to call it.
3132         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
3133         method instead of plt_entry_size.
3134         (Output_data_plt_i386::plt_entry_size)
3135         (Output_data_plt_i386::plt_eh_frame_fde_size)
3136         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
3137         (Output_data_plt_i386_standard): ... here, new class.
3138         (Output_data_plt_i386_exec): New class.
3139         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
3140         (Output_data_plt_i386_exec::first_plt_entry): ... here.
3141         (Output_data_plt_i386::exec_plt_entry): Move to ...
3142         (Output_data_plt_i386_exec::plt_entry): ... here.
3143         (Output_data_plt_i386_dyn): New class.
3144         (Output_data_plt_i386::first_plt_entry): Move to ...
3145         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
3146         (Output_data_plt_i386::dyn_plt_entry): Move to ...
3147         (Output_data_plt_i386_dyn::plt_entry): ... here.
3148         (Target_i386::Target_i386): Take optional argument for the Target_info
3149         pointer to use.
3150         (Target_i386::do_make_data_plt): New virtual method.
3151         (Target_i386::make_data_plt): New method to call it.
3152         (Target_i386::make_plt_section): Use that.
3153         Call this->plt_->add_eh_frame method here.
3154         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
3155         rather than plt_entry_size variable.
3156         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
3157         (Output_data_plt_i386::address_for_local): Likewise.
3158         (Output_data_plt_i386::do_write): Likewise.
3159         Move guts of PLT filling to...
3160         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
3161         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
3162         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
3163         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
3164
3165 2012-05-01  Cary Coutant  <ccoutant@google.com>
3166
3167         * dwarf_reader.cc (Dwarf_die::read_attributes)
3168         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
3169         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
3170         * reduced_debug_output.cc
3171         (Output_reduced_debug_info_section::get_die_end): Remove
3172         DW_FORM_GNU_ref_index.  Add default case.
3173
3174 2012-04-26  Mark Wielaard  <mjw@redhat.com>
3175
3176         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
3177         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
3178         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
3179         DW_AT_high_pc as offset from DW_AT_low_pc.
3180
3181         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
3182         * testsuite/Makefile.in: Regenerate.
3183         * testsuite/gdb_index_test_3.c: New test source file.
3184         * testsuite/gdb_index_test_3.sh: New test source file.
3185
3186 2012-04-25  Ian Lance Taylor  <iant@google.com>
3187
3188         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
3189         pointer.
3190         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
3191         as a class, not a struct.
3192         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
3193         (Target_arm::apply_cortex_a8_workaround): Likewise.
3194         * gc.h: Declare Reloc_types as a struct, not a class.
3195         * object.h: Declare Symbols_data as a struct.
3196         * reloc.h: Declare Read_relocs_data as a struct.
3197         * target.h: Declare Relocate_info as a struct.
3198
3199 2012-04-24  David S. Miller  <davem@davemloft.net>
3200
3201         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
3202         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
3203         and R_SPARC_WPLT30.
3204
3205 2012-04-24  Cary Coutant  <ccoutant@google.com>
3206
3207         * incremental-dump.cc (find_input_containing_global): Replace
3208         magic number with symbolic constant.
3209         (dump_incremental_inputs): Update version number.
3210         * incremental.cc (Output_section_incremental_inputs): Update version
3211         number; import symbolic constants from Incremental_inputs_reader.
3212         (Incremental_inputs::create_data_sections): Align relocations
3213         section correctly for 64-bit targets.
3214         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
3215         constants; add padding.
3216         (Output_section_incremental_inputs::write_header): Add assert for
3217         header_size.
3218         (Output_section_incremental_inputs::write_input_files): Add assert
3219         for input_entry_size.
3220         (Output_section_incremental_inputs::write_info_blocks): Add padding;
3221         add assert for object_info_size, input_section_entry_size,
3222         global_sym_entry_size.
3223         * incremental.h (Incremental_inputs_reader): Add symbolic constants
3224         for data structure sizes; use them.
3225         (Incremental_input_entry_reader): Import symbolic constants from
3226         Incremental_inputs_reader; use them.
3227
3228 2012-04-23  David S. Miller  <davem@davemloft.net>
3229
3230         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
3231         and elf_flags_set_.
3232         (Target_sparc::Target_sparc): Initialize new fields.
3233         (Target_sparc::do_make_elf_object): New function.
3234         (Target_sparc::do_adjust_elf_header): New function.
3235
3236 2012-04-23  Cary Coutant  <ccoutant@google.com>
3237
3238         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
3239         CU range table of gdb index.
3240
3241 2012-04-20  David S. Miller  <davem@davemloft.net>
3242
3243         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
3244         instead of false.
3245
3246 2012-04-16  David S. Miller  <davem@davemloft.net>
3247
3248         * sparc.cc (Target_sparc::got_address): New function.
3249         (Sparc_relocate_functions::gdop_hix22): New function.
3250         (Sparc_relocate_functions::gdop_lox10): New function.
3251         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
3252         relocs.
3253         (Target_sparc::Scan::local): Likewise if the global symbol is not
3254         preemptible and is not IFUNC.
3255         (Target_sparc::Relocate::relocate): Perform GOTDATA code
3256         transformations for local and non-preemptible non-IFUNC global
3257         symbols.
3258
3259         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
3260         writing out 64-bit part of ranges.
3261
3262         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
3263         -fpic and -fpie respectively.
3264         * Makefile.in: Regenerate.
3265
3266         * sparc.cc (class Target_sparc): Add rela_ifunc_.
3267         (Target_sparc::Target_sparc): Initialize new field.
3268         (Target_sparc::do_plt_section_for_global): New function.
3269         (Target_sparc::do_plt_section_for_local): New function.
3270         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
3271         (Target_sparc::make_plt_section): New function, broken out of
3272         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
3273         (Target_sparc::make_plt_entry): Call make_plt_section.
3274         (Target_sparc::make_local_ifunc_plt_entry): New function.
3275         (Target_sparc::rela_ifunc_section): New function.
3276         (Target_sparc::plt_section): Remove const.
3277         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
3278         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
3279         and ifunc_count_ fields.
3280         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
3281         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
3282         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
3283         (Output_data_plt_sparc::rela_ifunc): New function.
3284         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
3285         (Output_data_plt_sparc::has_ifunc_section): New function.
3286         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
3287         (Output_data_plt_sparc::address_for_global): New function.
3288         (Output_data_plt_sparc::address_for_local): New function.
3289         (Output_data_plt_sparc::plt_index_to_offset): New function.
3290         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
3291         and entry_count.
3292         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
3293         entry_count.
3294         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
3295         R_SPARC_JMP_IREL to switch.
3296         (Target_sparc::Scan::check_non_pic): Likewise.
3297         (Target_sparc::Scan::local): Handle IFUNC symbols.
3298         (Target_sparc::Scan::local): Likewise.
3299         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
3300         and plt_address_for_local.
3301         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
3302         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
3303
3304         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
3305         (class Output_data_reloc): Adjust calls to Output_reloc_type.
3306         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
3307         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
3308         global relocs too.
3309         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
3310         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
3311         calls.
3312         * sparc.cc (Target_sparc::Scan::global): Likewise.
3313         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
3314
3315 2012-04-16  Cary Coutant  <ccoutant@google.com>
3316
3317         * archive.cc (Library_base::should_include_member): Check for
3318         --export-dynamic-symbol.
3319         * options.h (class General_options): Add --export-dynamic-symbol.
3320         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
3321         --export-dynamic-symbol.
3322         (Symbol_table::gc_mark_undef_symbols): Likewise.
3323         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
3324
3325 2012-04-12  David S. Miller  <davem@davemloft.net>
3326
3327         * sparc.cc (Reloc::wdisp10): New relocation method.
3328         (Reloc::h34): Likewise.
3329         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
3330         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
3331         R_SPARC_WDISP10.
3332         (Target_sparc::Scan::local): Likewise.
3333         (Target_sparc::Scan::global): Likewise.
3334         (Target_sparc::Relocate::relocate): Likewise.
3335
3336 2012-04-09  Cary Coutant  <ccoutant@google.com>
3337
3338         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
3339         low_pc == 0.
3340
3341 2012-04-06  Ian Lance Taylor  <iant@google.com>
3342
3343         * timer.cc: #include <unistd.h>.
3344
3345 2012-04-06  Roland McGrath  <mcgrathr@google.com>
3346
3347         * configure.in (AC_CHECK_HEADERS): Add locale.h.
3348         * config.in: Regenerate.
3349         * configure: Regenerate.
3350
3351 2012-04-05  Nick Clifton  <nickc@redhat.com>
3352
3353         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
3354         (AM_LC_MESSAGES): Add.
3355         * aclocal.m4: Regenerate.
3356         * config.in: Regenerate.
3357         * configure: Regenerate.
3358
3359 2012-03-21  Cary Coutant  <ccoutant@google.com>
3360
3361         * Makefile.am: Add gdb-index.cc, gdb-index.h.
3362         * Makefile.in: Regenerate.
3363         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
3364         (Sized_elf_reloc_mapper::symbol_section): New function.
3365         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
3366         (make_elf_reloc_mapper): New function.
3367         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
3368         (Dwarf_abbrev_table::do_read_abbrevs): New function.
3369         (Dwarf_abbrev_table::do_get_abbrev): New function.
3370         (Dwarf_ranges_table::read_ranges_table): New function.
3371         (Dwarf_ranges_table::read_range_list): New function.
3372         (Dwarf_pubnames_table::read_section): New function.
3373         (Dwarf_pubnames_table::read_header): New function.
3374         (Dwarf_pubnames_table::next_name): New function.
3375         (Dwarf_die::Dwarf_die): New function.
3376         (Dwarf_die::read_attributes): New function.
3377         (Dwarf_die::skip_attributes): New function.
3378         (Dwarf_die::set_name): New function.
3379         (Dwarf_die::set_linkage_name): New function.
3380         (Dwarf_die::attribute): New function.
3381         (Dwarf_die::string_attribute): New function.
3382         (Dwarf_die::int_attribute): New function.
3383         (Dwarf_die::uint_attribute): New function.
3384         (Dwarf_die::ref_attribute): New function.
3385         (Dwarf_die::child_offset): New function.
3386         (Dwarf_die::sibling_offset): New function.
3387         (Dwarf_info_reader::check_buffer): New function.
3388         (Dwarf_info_reader::parse): New function.
3389         (Dwarf_info_reader::do_parse): New function.
3390         (Dwarf_info_reader::do_read_string_table): New function.
3391         (Dwarf_info_reader::lookup_reloc): New function.
3392         (Dwarf_info_reader::get_string): New function.
3393         (Dwarf_info_reader::visit_compilation_unit): New function.
3394         (Dwarf_info_reader::visit_type_unit): New function.
3395         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
3396         Sized_elf_reloc_mapper.
3397         (Sized_dwarf_line_info::symbol_section): Remove function.
3398         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
3399         (Sized_dwarf_line_info::read_line_mappings): Remove object
3400         parameter, adjust callers.
3401         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
3402         * dwarf_reader.h: Include <sys/types.h>.
3403         (class Track_relocs): Remove forward declaration.
3404         (class Elf_reloc_mapper): New class.
3405         (class Sized_elf_reloc_mapper): New class.
3406         (class Dwarf_abbrev_table): New class.
3407         (class Dwarf_range_list): New class.
3408         (class Dwarf_ranges_table): New class.
3409         (class Dwarf_pubnames_table): New class.
3410         (class Dwarf_die): New class.
3411         (class Dwarf_info_reader): New class.
3412         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
3413         (Sized_dwarf_line_info::symbol_section): Remove member function.
3414         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
3415         base class.
3416         * gdb-index.cc: New source file.
3417         * gdb-index.h: New source file.
3418         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
3419         and .debug_types sections, call Layout::add_to_gdb_index.
3420         (Sized_relobj_incr::do_section_name): Implement.
3421         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
3422         return type; Implement.
3423         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
3424         return type.
3425         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
3426         parameter list and return type.
3427         (Sized_incr_dynobj::do_section_contents): Likewise.
3428         * layout.cc: Include gdb-index.h.
3429         (Layout::Layout): Initialize gdb_index_data_.
3430         (Layout::init_fixed_output_section): Check for .gdb_index section.
3431         (Layout::add_to_gdb_index): New function. Instantiate.
3432         * layout.h: Add forward declaration for class Gdb_index.
3433         (Layout::add_to_gdb_index): New member function.
3434         (Layout::gdb_index_data_): New data member.
3435         * main.cc: Include gdb-index.h.
3436         (main): Print statistics for gdb index.
3437         * object.cc (Object::section_contents): Move code into
3438         do_section_contents.
3439         (need_decompressed_section): Check for sections needed when building
3440         gdb index.
3441         (build_compressed_section_map): Likewise.
3442         (Sized_relobj_file::do_read_symbols): Need local symbols when building
3443         gdb index.
3444         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
3445         sections; call Layout::add_to_gdb_index.
3446         (Sized_relobj_file::do_decompressed_section_contents): Call
3447         do_section_contents directly.
3448         * object.h (Object::do_section_contents): Adjust parameter list and
3449         return type.
3450         (Object::do_decompressed_section_contents): Call do_section_contents
3451         directly.
3452         (Sized_relobj_file::do_section_contents): Adjust parameter list and
3453         return type.
3454         * options.h (class General_options): Add --gdb-index option.
3455         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
3456         list and return type.
3457         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
3458         * reloc.h (Track_relocs::checkpoint): New function.
3459         (Track_relocs::reset): New function.
3460
3461         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
3462         New test cases.
3463         * testsuite/Makefile.in: Regenerate.
3464         * testsuite/gdb_index_test.cc: New test source file.
3465         * testsuite/gdb_index_test_1.sh: New test source file.
3466         * testsuite/gdb_index_test_2.sh: New test source file.
3467
3468 2012-03-19  Doug Kwan  <dougkwan@google.com>
3469
3470         * arm.cc (Target_arm::do_define_standard_symbols): New method.
3471         (Target_arm::do_finalize_sections): Remove code which defines
3472         __exidx_start and __exidx_end.  Make symbol table parameter
3473         anonymous as it is not used.
3474         * gold.cc (queue_middle_tasks): Call target hook to define any
3475         target-specific symbols.
3476         * target.h (Target::define_standard_symbols): New method.
3477         (Target::do_define_standard_symbols): Same.
3478         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
3479         * testsuite/Makefile.in: Regenerate.
3480         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
3481         and __exidx_end.
3482         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
3483         relocations are generated for __exidx_start and __exidx_end.
3484
3485 2012-03-16  Doug Kwan  <dougkwan@google.com>
3486
3487         * testsuite/Makefile.am: Disable test initpri3b.
3488         * testsuite/Makefile.in: Regenerate.
3489
3490 2012-03-15  Doug Kwan  <dougkwan@google.com>
3491
3492         * arm.cc (Target_arm::got_section): Make .got section read-only
3493         if -z now is given.
3494
3495 2012-03-15  Ian Lance Taylor  <iant@google.com>
3496
3497         PR gold/13850
3498         * layout.cc (Layout::make_output_section): Correctly mark
3499         SHT_INIT_ARRAY, et. al., as relro.
3500
3501 2012-03-14  Doug Kwan  <dougkwan@google.com>
3502
3503         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
3504         dynamic relocations for protected symbols in shared objects.
3505
3506 2012-03-13  Ian Lance Taylor  <iant@google.com>
3507
3508         * resolve.cc (Symbol_table::resolve): When merging common symbols,
3509         keep the larger alignment.
3510
3511 2012-03-12  Cary Coutant  <ccoutant@google.com>
3512
3513         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
3514         handling of DW_LNE_define_file.
3515
3516 2012-03-12  Cary Coutant  <ccoutant@google.com>
3517
3518         * reduced_debug_output.cc
3519         (Output_reduced_debug_info_section::get_die_end): Add new FORM
3520         codes to switch.
3521
3522 2012-02-29  Cary Coutant  <ccoutant@google.com>
3523
3524         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
3525
3526 2012-02-29  Cary Coutant  <ccoutant@google.com>
3527
3528         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3529         Call Object::decompressed_section_contents.
3530         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
3531         New dtor.
3532         (Sized_dwarf_line_info::buffer_start_): New data member.
3533         * merge.cc (Output_merge_data::do_add_input_section): Call
3534         Object::decompressed_section_contents.
3535         (Output_merge_string::do_add_input_section): Likewise.
3536         * object.cc (need_decompressed_section): New function.
3537         (build_compressed_section_map): Decompress sections needed later.
3538         (Sized_relobj_file::do_decompressed_section_contents): New function.
3539         (Sized_relobj_file::do_discard_decompressed_sections): New function.
3540         * object.h (Object::decompressed_section_contents): New function.
3541         (Object::discard_decompressed_sections): New function.
3542         (Object::do_decompressed_section_contents): New function.
3543         (Object::do_discard_decompressed_sections): New function.
3544         (Compressed_section_info): New type.
3545         (Compressed_section_map): Include decompressed section contents.
3546         (Sized_relobj_file::do_decompressed_section_contents): New function.
3547         (Sized_relobj_file::do_discard_decompressed_sections): New function.
3548
3549 2012-02-16  Cary Coutant  <ccoutant@google.com>
3550
3551         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
3552         * testsuite/Makefile.in: Regenerate.
3553
3554 2012-02-14  Cary Coutant  <ccoutant@google.com>
3555
3556         * options.cc (General_options::finalize): Disallow -pie and -static.
3557
3558 2012-02-03  Doug Kwan  <dougkwan@google.com>
3559
3560         * arm.cc (Arm_relocate_functions::abs8,
3561         Arm_relocate_functions::abs16): Use
3562         Bits::has_signed_unsigned_overflow32.
3563         (Arm_relocate_functions::thm_abs8): Correct range of
3564         overflow check.
3565         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
3566         in assertions.
3567
3568 2012-02-02  Doug Kwan  <dougkwan@google.com>
3569
3570         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
3571         position independent outputs, not just shared objects.
3572
3573 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
3574
3575         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
3576         * configure: Regenerated.
3577
3578 2012-01-27  Ian Lance Taylor  <iant@google.com>
3579
3580         * reloc.h (Bits): New class with static functions, copied from
3581         namespace utils in arm.cc.
3582         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
3583         instead.
3584
3585 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
3586
3587         * incremental.cc (write_info_blocks): Correct relocation offset.
3588
3589 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
3590
3591         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
3592         (Relocate::tls_gd_to_le): Likewise.
3593
3594 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
3595
3596         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
3597
3598 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
3599
3600         * configure.ac: Check if -mcmodel=medium works.
3601         * configure: Regenerated.
3602
3603 2012-01-24  Cary Coutant  <ccoutant@google.com>
3604
3605         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
3606         definition and ...
3607         (read_unsigned_LEB_128_x): ... this new function.
3608         (read_signed_LEB_128): Replaced with inline definition and ...
3609         (read_signed_LEB_128_x): ... this new function.
3610         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
3611         (read_unsigned_LEB_128): Add inline definition.
3612         (read_signed_LEB_128_x): New function.
3613         (read_signed_LEB_128): Add inline definition.
3614         * testsuite/Makefile.am (leb128_unittest): New unit test.
3615         * testsuite/Makefile.in: Regenerate.
3616         * testsuite/leb128_unittest.cc: New unit test.
3617
3618 2012-01-23  Ian Lance Taylor  <iant@google.com>
3619
3620         PR gold/13617
3621         * i386.cc (Target_i386::do_code_fill): When using a jmp
3622         instruction, pad with nop instructions.
3623         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
3624
3625 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
3626
3627         * x86_64.cc (gc_process_relocs): Add typename on types used in
3628         template.
3629         (scan_relocs): Likewise.
3630         (relocate_section): Likewise.
3631         (apply_relocation): Likewise.
3632
3633 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
3634
3635         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
3636         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
3637         under x32.
3638
3639 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
3640
3641         * x86_64.cc: Initial support for x32.
3642
3643 2012-01-03  Cary Coutant  <ccoutant@google.com>
3644
3645         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
3646         Use abstract base class for GOT.
3647         * gold/output.h (class Output_data_got_base): New abstract base class.
3648         (class Output_data_got): Derive from new base class, adjust ctors.
3649         (Output_data_got::reserve_slot): Make virtual; rename to
3650         do_reserve_slot; Adjust callers.
3651         * gold/target.h (Sized_target::init_got_plt_for_update): Return
3652         pointer to abstract base class.
3653         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
3654
3655 2011-12-18  Ian Lance Taylor  <iant@google.com>
3656
3657         * object.h (Relobj::local_symbol_value): New function.
3658         (Relobj::local_plt_offset): New function.
3659         (Relobj::local_has_got_offset): New function.
3660         (Relobj::local_got_offset): New function.
3661         (Relobj::set_local_got_offset): New function.
3662         (Relobj::do_local_symbol_value): New pure virtual function.
3663         (Relobj::do_local_plt_offset): Likewise.
3664         (Relobj::do_local_has_got_offset): Likewise.
3665         (Relobj::do_local_got_offset): Likewise.
3666         (Relobj::do_set_local_got_offset): Likewise.
3667         (Sized_relobj::do_local_has_got_offset): Rename from
3668         local_has_got_offset.
3669         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
3670         (Sized_relobj::do_set_local_got_offset): Rename from
3671         set_local_got_offset.
3672         (Sized_relobj_file::do_local_plt_offset): Rename from
3673         local_plt_offset.
3674         (Sized_relobj_file::do_local_symbol_value): New function.
3675         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
3676         local_plt_offset.
3677         * output.cc (Output_data_got::Got_entry::write): Change object to
3678         Relobj.  Use local_symbol_value.
3679         (Output_data_got::add_global_with_rel): Change rel_dyn to
3680         Output_data_reloc_generic*.  Use add_global_generic.
3681         (Output_data_got::add_global_with_rela): Remove.  Change all
3682         callers to use add_global_with_rel.
3683         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
3684         Output_data_reloc_generic*.  Use add_global_generic.
3685         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
3686         callers to use add_global_pair_with_rel.
3687         (Output_data_got::add_local): Change object to Relobj*.
3688         (Output_data_got::add_local_plt): Likewise.
3689         (Output_data_got::add_local_with_rel): Change object to Relobj*,
3690         change rel_dyn to Output_data_reloc_generic*.  Use
3691         add_local_generic.
3692         (Output_data_got::add_local_with_rela): Remove.  Change all
3693         callers to use all_local_with_rel.
3694         (Output_data_got::add_local_pair_with_rel): Change object to
3695         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
3696         add_output_section_generic.
3697         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
3698         callers to use add_local_pair_with_rel.
3699         (Output_data_got::reserve_local): Change object to Relobj*.
3700         * output.h: (class Output_data_reloc_generic): Add pure virtual
3701         declarations for add_global_generic, add_local_generic,
3702         add_output_section_generic.
3703         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
3704         functions for Output_data_reloc_generic.  Update declarations for
3705         changes listed in output.cc.
3706         (class Output_data_got): Change template parameter to got_size.
3707         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
3708         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
3709         function.
3710         (Sized_relobj_incr::do_local_plt_offset): New function.
3711         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
3712         add_global_generic.
3713
3714 2011-12-17  Cary Coutant  <ccoutant@google.com>
3715
3716         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
3717         * resolve.cc (Symbol_table::resolve): Likewise.
3718         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
3719         arrays.
3720         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
3721
3722 2011-12-16  Ian Lance Taylor  <iant@google.com>
3723
3724         * output.h (Output_data_reloc_generic::add): Only call
3725         add_dynamic_reloc if this is a dynamic reloc section.
3726
3727 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
3728
3729         PR gold/13505
3730         * target-reloc.h (apply_relocation): Replace <64, false> with
3731         <size, big_endian>.
3732
3733 2011-11-25  Nick Clifton  <nickc@redhat.com>
3734
3735         * po/it.po: New Italian translation.
3736
3737 2011-11-17  Sterling Augustine  <saugustine@google.com>
3738
3739         * script.cc (script_include_directive): Implement.
3740         (read_script_file): New local variables name and search_path. Update
3741         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
3742         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
3743         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
3744
3745 2011-11-11  Sterling Augustine  <saugustine@google.com>
3746
3747         * yyscript.y (section_cmd): Add support for INCLUDE directive.
3748         (file_or_sections_cmd): Likewise.
3749
3750 2011-11-11  Doug Kwan  <dougkwan@google.com>
3751
3752         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
3753         if --just-symbols is given.
3754
3755 2011-11-10  Doug Kwan  <dougkwan@google.com>
3756
3757         PR gold/13362
3758         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
3759         when processing data relocs.
3760         * reloc.h (Relocate_functions::rel_unaligned): New method.
3761         (Relocate_functions::pcrel_unaligned): Ditto.
3762         (Relocate_functions::rel32_unaligned): Ditto.
3763         (Relocate_functions::pcrel32_unaligned): Ditto.
3764
3765 2011-11-09  Doug Kwan  <dougkwan@google.com>
3766
3767         PR gold/13362
3768         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
3769         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
3770         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
3771         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
3772         (Relocate_functions::rel_unaligned): New.
3773         (Relocate_functions::rel32_unaligned): New.
3774         * target-reloc.h (relocate_for_relocatable): Add code to handle
3775         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
3776         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
3777         arm_unaligned_reloc_r): New targets.
3778         * testsuite/Makefile.in: Regenerate.
3779         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
3780         linking.
3781
3782 2011-11-02  Ian Lance Taylor  <iant@google.com>
3783
3784         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
3785         NATIVE_LINKER.
3786         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
3787         * options.cc (General_options::finalize): Use library search path
3788         from configure script if specified.  If not native and no sysroot,
3789         only search TOOLLIBDIR.
3790         * options.h (Search_directory::Search_directory): Change name to
3791         const std::string&.
3792         (General_options::add_to_library_path_with_sysroot): Change arg to
3793         const std::string&.
3794         * configure, Makefile.in, config.in: Rebuild.
3795
3796 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3797
3798         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
3799         we are working around the ARM1176 Erratum.
3800         * options.h (General_options::fix_arm1176): Add option.
3801         * testsuite/Makefile.am: Add testcases, and keep current ones
3802         working.
3803         * testsuite/Makefile.in: Regenerate.
3804         * testsuite/arm_fix_1176.s: New file.
3805         * testsuite/arm_fix_1176.sh: Likewise.
3806
3807 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3808
3809         * arm.cc (Target_arm::Target_arm): Remove initialisation of
3810         may_use_blx_.
3811         (Target_arm::may_use_blx): Remove method.
3812         (Target_arm::set_may_use_blx): Likewise.
3813         (Target_arm::may_use_v4t_interworking): New method.
3814         (Target_arm::may_use_v5t_interworking): Likewise.
3815         (Target_arm::may_use_blx_): Remove member variable.
3816         (Arm_relocate_functions::arm_branch_common): Check for v5T
3817         interworking.
3818         (Arm_relocate_functions::thumb_branch_common): Likewise.
3819         (Reloc_stub::stub_type_for_reloc): Likewise.
3820         (Target_arm::do_finalize_sections): Correct interworking checks.
3821         * testsuite/Makefile.am: Add new tests.
3822         * testsuite/Makefile.in: Regenerate.
3823         * testsuite/arm_farcall_arm_arm.s: New test.
3824         * testsuite/arm_farcall_arm_arm.sh: Likewise.
3825         * testsuite/arm_farcall_arm_thumb.s: Likewise.
3826         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
3827         * testsuite/arm_farcall_thumb_arm.s: Likewise.
3828         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
3829         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
3830         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
3831
3832 2011-10-31  Cary Coutant  <ccoutant@google.com>
3833
3834         PR gold/13023
3835         * expression.cc (Expression::eval_with_dot): Add
3836         is_section_dot_assignment parameter.
3837         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
3838         absolute and assigning to dot within a section.
3839         * script-sections.cc
3840         (Output_section_element_assignment::set_section_addresses): Pass
3841         dot_section to set_if_absolute.
3842         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
3843         as is_section_dot_assignment flag to eval_with_dot.
3844         (Output_section_element_dot_assignment::set_section_addresses):
3845         Likewise.
3846         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
3847         parameter.  Also set value if relative to dot_section; set the
3848         symbol's output_section.
3849         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
3850         parameter.  Adjust all callers.
3851         (Expression::eval_maybe_dot): Likewise.
3852         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
3853         Adjust all callers.
3854         * testsuite/script_test_2.t: Test assignment of an absolute value
3855         to dot within an output section element.
3856
3857 2011-10-31  Cary Coutant  <ccoutant@google.com>
3858
3859         * options.h (class General_options): Add --[no-]gnu-unique options.
3860         * symtab.cc (Symbol_table::sized_write_globals): Convert
3861         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
3862
3863 2011-10-31  Cary Coutant  <ccoutant@google.com>
3864
3865         PR gold/13359
3866         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
3867         unnecessary assertion.
3868         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
3869
3870 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
3871
3872         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
3873         gc_mark_symbol.
3874         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
3875         gc_mark_symbol.
3876         Change to just keep the section associated with symbol.
3877         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
3878         they are externally visible and --export-dynamic is turned on.
3879         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
3880
3881 2011-10-19  Ian Lance Taylor  <iant@google.com>
3882
3883         PR gold/13163
3884         * script-sections.cc
3885         (Output_section_element_dot_assignment::needs_output_section): New
3886         function.
3887
3888 2011-10-19  Ian Lance Taylor  <iant@google.com>
3889
3890         PR gold/13204
3891         * layout.cc (Layout::segment_precedes): Don't assert failure if a
3892         --section-start option was seen.
3893         * options.h (General_options::any_section_start): New function.
3894
3895 2011-10-18  David S. Miller  <davem@davemloft.net>
3896
3897         PR binutils/13301
3898         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
3899         member to track relocation locations that have moved during TLS
3900         reloc optimizations.
3901         (Target_sparc::Relocate::Relocate): Initialize to NULL.
3902         (Target_sparc::Relocate::relocate): Adjust view down by 4
3903         bytes if it matches reloc_adjust_addr_.
3904         (Target_sparc::Relocate::relocate_tls): Always move the
3905         __tls_get_addr call delay slot instruction forward 4 bytes when
3906         performing relaxation.
3907
3908 2011-10-18  Cary Coutant  <ccoutant@google.com>
3909
3910         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
3911         (Output_file::map_no_anonymous): Check for non-zero
3912         return code from posix_fallocate.
3913
3914 2011-10-17  Cary Coutant  <ccoutant@google.com>
3915
3916         PR gold/13245
3917         * plugin.cc (is_visible_from_outside): Check for symbols
3918         referenced from dynamic objects.
3919         * resolve.cc (Symbol_table::resolve): Don't count references
3920         from dynamic objects as references from real ELF files.
3921         * testsuite/plugin_test_2.sh: Adjust expected result.
3922
3923 2011-10-17  Cary Coutant  <ccoutant@google.com>
3924
3925         * gold.cc: Include timer.h.
3926         (queue_middle_tasks): Stamp time.
3927         (queue_final_tasks): Likewise.
3928         * main.cc (main): Store timer in parameters.  Print timers
3929         for each pass.
3930         * parameters.cc (Parameters::Parameters): Initialize timer_.
3931         (Parameters::set_timer): New function.
3932         (set_parameters_timer): New function.
3933         * parameters.h (Parameters::set_timer): New function.
3934         (Parameters::timer): New function.
3935         (Parameters::timer_): New data member.
3936         (set_parameters_timer): New function.
3937         * timer.cc (Timer::stamp): New function.
3938         (Timer::get_pass_time): New function.
3939         * timer.h (Timer::stamp): New function.
3940         (Timer::get_pass_time): New function.
3941         (Timer::pass_times_): New data member.
3942
3943 2011-10-17  Cary Coutant  <ccoutant@google.com>
3944
3945         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
3946         task for members of lib groups.
3947
3948 2011-10-17  Cary Coutant  <ccoutant@google.com>
3949
3950         PR gold/13288
3951         * fileread.cc (File_read::find_view): Add assert.
3952         (File_read::make_view): Move bounds check (replace with assert)...
3953         (File_read::find_or_make_view): ... to here.
3954
3955 2011-10-12  Cary Coutant  <ccoutant@google.com>
3956
3957         * output.cc (Output_file::open_base_file): Handle case where
3958         ::read returns less than requested size.
3959
3960 2011-10-10  Cary Coutant  <ccoutant@google.com>
3961
3962         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
3963         Initialize defined_count_.
3964         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
3965         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
3966         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
3967         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
3968         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
3969         * incremental.h (Sized_relobj_incr::defined_count_): New data
3970         member.
3971         (Sized_incr_dynobj::defined_count_): New data member.
3972         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
3973         Return zeroes instead of internal error.
3974
3975 2011-10-10  Cary Coutant  <ccoutant@google.com>
3976
3977         PR gold/13249
3978         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
3979         (Output_reloc::symbol_value): Return PLT offset if flag is set.
3980         * output.h (class Output_reloc): Add use_plt_offset flag.
3981         (Output_reloc::type_): Adjust size of bit field.
3982         (Output_reloc::use_plt_offset_): New bit field.
3983         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
3984         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
3985         flag.  Adjust all callers.
3986         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
3987         creating RELATIVE relocations.
3988
3989 2011-10-10  Nick Clifton  <nickc@redhat.com>
3990
3991         * po/es.po: Updated Spanish translation.
3992         * po/fi.po: Updated Finnish translation.
3993
3994 2011-10-03   Diego Novillo  <dnovillo@google.com>
3995
3996         * options.cc (parse_uint): Fix dereference of RETVAL.
3997
3998 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
3999
4000         * layout.h (section_order_map_): New member.
4001         (get_section_order_map): New member function.
4002         * output.cc (Output_section::add_input_section): Check for patterns
4003         only when --section-ordering-file is specified.
4004         * gold.cc (queue_middle_tasks): Delay updating order of sections till
4005         output_sections have been formed.
4006         * layout.cc (Layout_Layout): Initialize section_order_map_.
4007         * plugin.cc (update_section_order): Store order in order_map. Do not
4008         update the order.
4009         * testsuite/Makefile.am: Add test case for plugin_final_layout.
4010         * testsuite/Makefile.in: Regenerate.
4011         * testsuite/plugin_section_order.c: New file.
4012         * testsuite/plugin_final_layout.cc: New file.
4013         * testsuite/plugin_final_layout.sh: New file.
4014
4015 2011-09-29  Cary Coutant  <ccoutant@google.com>
4016
4017         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
4018         Check for NULL.
4019         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
4020         symbols during incremental update.
4021         (Symbol_table::add_from_dynobj): Likewise.
4022
4023 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4024             Ian Lance Taylor  <iant@google.com>
4025
4026         * symtab.cc (Symbol_table::define_special_symbol): Always
4027         canonicalize version string.
4028
4029 2011-09-26  Cary Coutant  <ccoutant@google.com>
4030
4031         * gold.cc (queue_initial_tasks): Move option checks ...
4032         * options.cc (General_options::finalize): ... to here. Disable
4033         some options; make others fatal.
4034
4035 2011-09-26  Cary Coutant  <ccoutant@google.com>
4036
4037         gcc PR lto/47247
4038         * plugin.cc (get_symbols_v2): New function.
4039         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
4040         (is_referenced_from_outside): New function.
4041         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
4042         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
4043         (get_symbols): Pass version parameter.
4044         (get_symbols_v2): New function.
4045         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
4046         parameter.
4047         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
4048         (onload): Add LDPT_GET_SYMBOLS_V2.
4049         (all_symbols_read_hook): Use get_symbols_v2; check for
4050         LDPR_PREVAILING_DEF_IRONLY_EXP.
4051         * testsuite/plugin_test_3.sh: Update expected results.
4052
4053 2011-09-23  Simon Baldwin  <simonb@google.com>
4054
4055         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
4056         configuration options.
4057         * configure: Regenerate.
4058         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
4059         * Makefile.in: Regenerate.
4060         * testsuite/Makefile.in: Regenerate.
4061
4062 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
4063
4064         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
4065
4066 2011-09-19  Cary Coutant  <ccoutant@google.com>
4067
4068         * incremental.cc (can_incremental_update): Fix typo in comment.
4069         * incremental.h (can_incremental_update): Likewise.
4070
4071 2011-09-18  Cary Coutant  <ccoutant@google.com>
4072
4073         * incremental.cc (can_incremental_update): New function.
4074         * incremental.h (can_incremental_update): New function.
4075         * layout.cc (Layout::init_fixed_output_section): Call it.
4076         (Layout::make_output_section): Don't allow patch space in .eh_frame.
4077         * object.cc (Sized_relobj_file::do_layout): Call
4078         can_incremental_update.
4079
4080 2011-09-13  Cary Coutant  <ccoutant@google.com>
4081
4082         * configure.ac: Check for glibc support for gnu_indirect_function
4083         support with static linking, setting automake conditional
4084         IFUNC_STATIC.
4085         * Makefile.in: Regenerate.
4086         * configure: Regenerate.
4087
4088         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
4089         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
4090         for IFUNC_STATIC.
4091         * testsuite/Makefile.in: Regenerate.
4092
4093 2011-09-13  Cary Coutant  <ccoutant@google.com>
4094
4095         * incremental.cc (Sized_relobj_incr::do_layout): Call
4096         report_comdat_group for kept comdat sections.
4097         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
4098         * testsuite/Makefile.in: Regenerate.
4099         * testsuite/incr_comdat_test_1.cc: New source file.
4100         * testsuite/incr_comdat_test_2_v1.cc: New source file.
4101         * testsuite/incr_comdat_test_2_v2.cc: New source file.
4102         * testsuite/incr_comdat_test_2_v3.cc: New source file.
4103
4104 2011-09-13  Ian Lance Taylor  <iant@google.com>
4105
4106         * object.cc (Sized_relobj_file::do_layout): Remove unused local
4107         variable external_symbols_offset.
4108
4109 2011-09-12  Ian Lance Taylor  <iant@google.com>
4110
4111         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
4112         triggered if object has no symbols.
4113
4114 2011-09-09  David S. Miller  <davem@davemloft.net>
4115
4116         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
4117         (Output_fill_debug_line::do_write): Likewise.
4118
4119 2011-08-29  Cary Coutant  <ccoutant@google.com>
4120
4121         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
4122         casts to match formatting specs.
4123         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
4124
4125 2011-08-26  Cary Coutant  <ccoutant@google.com>
4126
4127         * layout.cc (Free_list::allocate): Provide guarantee of minimum
4128         remaining hole size when allocating.
4129         (Layout::make_output_section): Set fill methods for debug sections.
4130         * layout.h (Free_list::Free_list_node): Move from private to
4131         public.
4132         (Free_list::set_min_hole_size): New function.
4133         (Free_list::begin, Free_list::end): New functions.
4134         (Free_list::min_hole_): New data member.
4135         * output.cc: Include dwarf.h.
4136         (Output_fill_debug_info::do_minimum_hole_size): New function.
4137         (Output_fill_debug_info::do_write): New function.
4138         (Output_fill_debug_line::do_minimum_hole_size): New function.
4139         (Output_fill_debug_line::do_write): New function.
4140         (Output_section::Output_section): Initialize new data member.
4141         (Output_section::set_final_data_size): Ensure patch space is larger
4142         than minimum hole size.
4143         (Output_section::do_write): Fill holes in debug sections.
4144         * output.h (Output_fill): New class.
4145         (Output_fill_debug_info): New class.
4146         (Output_fill_debug_line): New class.
4147         (Output_section::set_free_space_fill): New function.
4148         (Output_section::free_space_fill_): New data member.
4149         * testsuite/Makefile.am (incremental_test_3): Add
4150         --incremental-patch option.
4151         (incremental_test_4): Likewise.
4152         (incremental_test_5): Likewise.
4153         (incremental_test_6): Likewise.
4154         (incremental_copy_test): Likewise.
4155         (incremental_common_test_1): Likewise.
4156         * testsuite/Makefile.in: Regenerate.
4157
4158 2011-08-26  Nick Clifton  <nickc@redhat.com>
4159
4160         * po/es.po: Updated Spanish translation.
4161
4162 2011-08-01  Cary Coutant  <ccoutant@google.com>
4163
4164         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
4165         * gold/testsuite/Makefile.in: Regenerate.
4166         * gold/testsuite/justsyms_exec.c: New source file.
4167         * gold/testsuite/justsyms_lib.c: New source file.
4168
4169 2011-08-01  Cary Coutant  <ccoutant@google.com>
4170
4171         * layout.cc (Layout::set_segment_offsets): Don't realign text
4172         segment if -Ttext was specified.
4173         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
4174         file type.
4175         * object.h (Sized_relobj_file::e_type): New function.
4176         (Sized_relobj_file::e_type_): New data member.
4177         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
4178         base address for ET_EXEC files.
4179         * target.cc (Target::do_make_elf_object_implementation): Allow
4180         ET_EXEC files with --just-symbols option.
4181
4182 2011-07-28  Cary Coutant  <ccoutant@google.com>
4183
4184         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
4185         Add thread_number parameter.
4186         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
4187         * workqueue-threads.cc
4188         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
4189         current thread if its thread number is greater than desired thread
4190         count.
4191         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
4192         Add thread_number parameter.
4193         (Workqueue::should_cancel_thread): Likewise.
4194         (Workqueue::find_runnable_or_wait): Pass thread_number to
4195         should_cancel_thread.
4196         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
4197         parameter.
4198
4199 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
4200
4201         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
4202         only after checking if it cannot be forced local.
4203         * symtab.h (is_externally_visible): Check if the symbol is not forced
4204         local.
4205
4206 2011-07-15  Ian Lance Taylor  <iant@google.com>
4207
4208         * options.h (class General_options): Add --print-output-format.
4209         Move -EL next to -EB, for  better --help output.
4210         * target-select.cc: Include <cstdio>, "options.h", and
4211         "parameters.h".
4212         (Target_selector::do_target_bfd_name): New function.
4213         (print_output_format): New function.
4214         * target-select.h (class Target_selector): Update declarations.
4215         (Target_selector::target_bfd_name): New function.
4216         (print_output_format): Declare.
4217         * main.cc: Include "target-select.h".
4218         (main): Handle --print-output-format.
4219         * gold.cc: Include "target-select.h".
4220         (queue_initial_tasks): Handle --print-output-format when there are
4221         no input files.
4222         * parameters.cc (parameters_force_valid_target): Give a better
4223         error message if -EB/-EL does not match target.
4224         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
4225         function.
4226
4227 2011-07-15  Ian Lance Taylor  <iant@google.com>
4228
4229         * i386.cc (class Output_data_plt_i386): Add layout_ field.
4230         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
4231         (Output_data_plt_i386::do_write): Write address of .dynamic
4232         section to first entry in .got.plt section.
4233         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
4234         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
4235         Initialize layout_.
4236         (Output_data_plt_x86_64::do_write): Write address of .dynamic
4237         section to first entry in .got.plt section.
4238         * layout.h (Layout::dynamic_section): New function.
4239
4240 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
4241
4242         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
4243         to claim_file call.
4244         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
4245         input_section_position_, and input_section_glob_.
4246         (read_layout_from_file): Call function section_ordering_specified.
4247         * layout.h (is_section_ordering_specified): New function.
4248         (section_ordering_specified): New function.
4249         (section_ordering_specified_): New boolean member.
4250         * main.cc(main): Call load_plugins after layout object is defined.
4251         * output.cc (Output_section::add_input_section): Use
4252         function section_ordering_specified to check if section ordering is
4253         needed.
4254         * output.cc (Output_section::add_relaxed_input_section): Use
4255         function section_ordering_specified to check if section ordering is
4256         needed.
4257         (Output_section::update_section_layout): New function.
4258         (Output_section::sort_attached_input_sections): Check if input section
4259         must be reordered.
4260         * output.h (Output_section::update_section_layout): New function.
4261         * plugin.cc (get_section_count): New function.
4262         (get_section_type): New function.
4263         (get_section_name): New function.
4264         (get_section_contents): New function.
4265         (update_section_order): New function.
4266         (allow_section_ordering): New function.
4267         (Plugin::load): Add the new interfaces to the transfer vector.
4268         (Plugin_manager::load_plugins): New parameter.
4269         (Plugin_manager::all_symbols_read): New parameter.
4270         (Plugin_manager::claim_file): New parameter. Save the elf object for
4271         unclaimed objects.
4272         (Plugin_manager::get_elf_object): New function.
4273         (Plugin_manager::get_view): Change to directly use the bool to check
4274         if get_view is called from claim_file_hook.
4275         * plugin.h (input_objects): New function
4276         (Plugin__manager::load_plugins): New parameter.
4277         (Plugin_manager::claim_file): New parameter.
4278         (Plugin_manager::get_elf_object): New function.
4279         (Plugin_manager::in_claim_file_handler): New function.
4280         (Plugin_manager::in_claim_file_handler_): New member.
4281         (layout): New function.
4282         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
4283         handler with an extra parameter. Make the elf object before calling
4284         claim_file handler.
4285         * testsuite/plugin_test.c (get_section_count): New function pointer.
4286         (get_section_type): New function pointer.
4287         (get_section_name): New function pointer.
4288         (get_section_contents): New function pointer.
4289         (update_section_order): New function pointer.
4290         (allow_section_ordering): New function pointer.
4291         (onload): Check if the new interfaces exist.
4292
4293 2011-07-13  Ian Lance Taylor  <iant@google.com>
4294
4295         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
4296         relro section.
4297         * x86_64.cc (Target_x86_64::got_section): Likewise.
4298         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
4299         (relro_now_test_SOURCES): New variable.
4300         (relro_now_test_DEPENDENCIES): New variable.
4301         (relro_now_test_LDFLAGS): New variable.
4302         (relro_now_test_LDADD): New variable.
4303         (relro_now_test.so): New target.
4304         * testsuite/Makefile.in: Rebuild.
4305
4306 2011-07-12  Ian Lance Taylor  <iant@google.com>
4307
4308         PR gold/12980
4309         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
4310         GLOB_DAT relocation rather than a RELATIVE relocation for a
4311         protected symbol when creating a shared library.
4312         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
4313         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
4314         * testsuite/protected_main_1.cc (main): Test that protected
4315         function has same address.
4316
4317 2011-07-11  Ian Lance Taylor  <iant@google.com>
4318
4319         PR gold/12979
4320         * options.h (class General_options): Add -Bgroup.
4321         * options.cc (General_options::finalize): If -Bgroup is set,
4322         default to --unresolved-symbols=report-all.
4323         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
4324         * target-reloc.h (issue_undefined_symbol_error): Handle
4325         --unresolved-symbols=report-all.
4326
4327 2011-07-08  Ian Lance Taylor  <iant@google.com>
4328
4329         PR gold/11985
4330         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
4331         if linker script discards key sections.
4332         (Layout::create_dynamic_symtab): Likewise.
4333         (Layout::assign_local_dynsym_offsets): Likewise.
4334         (Layout::sized_create_version_sections): Likewise.
4335         (Layout::create_interp): Likewise.
4336         (Layout::finish_dynamic_section): Likewise.
4337         (Layout::set_dynamic_symbol_size): Likewise.
4338
4339 2011-07-08  Ian Lance Taylor  <iant@google.com>
4340
4341         PR gold/12386
4342         * options.h (class General_options): Add --unresolved-symbols.
4343         * target-reloc.h (issue_undefined_symbol_error): Check
4344         --unresolved-symbols.  Add comments.
4345
4346 2011-07-08  Ian Lance Taylor  <iant@google.com>
4347
4348         * testsuite/odr_violation2.cc (Ordering::operator()): Make
4349         expression more complex.
4350
4351 2011-07-08  Ian Lance Taylor  <iant@google.com>
4352
4353         PR gold/11317
4354         * target-reloc.h (issue_undefined_symbol_error): New inline
4355         function, broken out of relocate_section.
4356         (relocate_section): Call issue_undefined_symbol_error.
4357         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
4358         there is no TLS segment if we are about to issue an undefined
4359         symbol error.
4360         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
4361
4362 2011-07-08  Ian Lance Taylor  <iant@google.com>
4363
4364         PR gold/12279
4365         * resolve.cc (Symbol_table::should_override): Add fromtype
4366         parameter.  Change all callers.  Give error when linking together
4367         TLS and non-TLS symbol.
4368         (Symbol_table::should_override_with_special): Add fromtype
4369         parameter.  Change all callers.
4370         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
4371         there is no TLS segment if we have reported some errors.
4372         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
4373
4374 2011-07-08  Ian Lance Taylor  <iant@google.com>
4375
4376         PR gold/12372
4377         * target.h (Target::plt_address_for_global): New function.
4378         (Target::plt_address_for_local): New function.
4379         (Target::plt_section_for_global): Remove.
4380         (Target::plt_section_for_local): Remove.
4381         (Target::do_plt_address_for_global): New virtual function.
4382         (Target::do_plt_address_for_local): New virtual function.
4383         (Target::do_plt_section_for_global): Remove.
4384         (Target::do_plt_section_for_local): Remove.
4385         (Target::register_global_plt_entry): Add Symbol_table and Layout
4386         parameters.
4387         * output.cc (Output_data_got::Got_entry::write): Use
4388         plt_address_for_global and plt_address_for_local.
4389         * layout.cc (Layout::add_target_dynamic_tags): Use size and
4390         address of output section.
4391         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
4392         got_irelative_, and irelative_count_ fields.  Update
4393         declarations.
4394         (Output_data_plt_i386::has_irelative_section): New function.
4395         (Output_data_plt_i386::entry_count): Add irelative_count_.
4396         (Output_data_plt_i386::set_final_data_size): Likewise.
4397         (class Target_i386): Add got_irelative_ and rel_irelative_
4398         fields.  Update declarations.
4399         (Target_i386::Target_i386): Initialize new fields.
4400         (Target_i386::do_plt_address_for_global): New function replacing
4401         do_plt_section_for_global.
4402         (Target_i386::do_plt_address_for_local): New function replacing
4403         do_plt_section_for_local.
4404         (Target_i386::got_section): Create got_irelative_.
4405         (Target_i386::rel_irelative_section): New function.
4406         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
4407         fields.  Don't define __rel_iplt_{start,end}.
4408         (Output_data_plt_i386::add_entry): Add symtab and layout
4409         parameters.  Change all callers.  Use different PLT and GOT for
4410         IFUNC symbols.
4411         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
4412         layout parameters.  Change all callers.  Use different PLT and
4413         GOT.
4414         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
4415         (Output_data_plt_i386::rel_irelative): New function.
4416         (Output_data_plt_i386::address_for_global): New function.
4417         (Output_data_plt_i386::address_for_local): New function.
4418         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
4419         IRELATIVE GOT when changing IFUNC GOT entries.
4420         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
4421         reloc.
4422         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
4423         if we didn't create an IRELATIVE GOT.
4424         (Target_i386::Relocate::relocate): Use plt_address_for_global and
4425         plt_address_for_local.
4426         (Target_i386::do_dynsym_value): Use plt_address_for_global.
4427         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
4428         got_irelative_, and irelative_count_ fields.  Update
4429         declarations.
4430         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
4431         Initialize new fields.  Remove symtab parameter.  Change all
4432         callers.
4433         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
4434         irelative_count_.
4435         (Output_data_plt_x86_64::has_irelative_section): New function.
4436         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
4437         (class Target_x86_64): Add got_irelative_ and rel_irelative_
4438         fields.  Update declarations.
4439         (Target_x86_64::Target_x86_64): Initialize new fields.
4440         (Target_x86_64::do_plt_address_for_global): New function replacing
4441         do_plt_section_for_global.
4442         (Target_x86_64::do_plt_address_for_local): New function replacing
4443         do_plt_section_for_local.
4444         (Target_x86_64::got_section): Create got_irelative_.
4445         (Target_x86_64::rela_irelative_section): New function.
4446         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
4447         all callers.  Don't create __rel_iplt_{start,end}.
4448         (Output_data_plt_x86_64::add_entry): Add symtab and layout
4449         parameters.  Change all callers.  Use different PLT and GOT for
4450         IFUNC symbols.
4451         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
4452         layout parameters.  Change all callers.  Use different PLT and
4453         GOT.
4454         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
4455         parameters.  Change all callers.  Use different PLT and GOT for
4456         IFUNC symbols.
4457         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
4458         (Output_data_plt_x86_64::rela_irelative): New function.
4459         (Output_data_plt_x86_64::address_for_global): New function.
4460         (Output_data_plt_x86_64::address_for_local): New function.
4461         (Output_data_plt_x86_64::set_final_data_size): Likewise.
4462         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
4463         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
4464         (Target_x86_64::register_global_plt_entry): Add symtab and layout
4465         parameters.
4466         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
4467         reloc.
4468         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
4469         symbols if we didn't create an IRELATIVE GOT.
4470         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
4471         plt_address_for_local.
4472         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
4473         * testsuite/ifuncvar1.c: New test file.
4474         * testsuite/ifuncvar2.c: New test file.
4475         * testsuite/ifuncvar3.c: New test file.
4476         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
4477         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
4478         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
4479         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
4480         * testsuite/Makefile.in: Rebuild.
4481
4482 2011-07-07  Cary Coutant  <ccoutant@google.com>
4483
4484         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
4485         (two_file_test_1_ndebug.o): Likewise.
4486         (two_file_test_1b_ndebug.o): Likewise.
4487         (two_file_test_2_ndebug.o): Likewise.
4488         (two_file_test_main_ndebug.o): Likewise.
4489         (incremental_test_2): Link with no-debug versions.
4490
4491 2011-07-06  Cary Coutant  <ccoutant@google.com>
4492
4493         * gold/incremental.cc
4494         (Output_section_incremental_inputs::write_info_blocks): Check for
4495         hidden and internal symbols.
4496
4497 2011-07-06  Cary Coutant  <ccoutant@google.com>
4498
4499         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
4500         Check disposition for startup file.
4501         (Incremental_inputs::report_command_line): Ignore
4502         --incremental-startup-unchanged option.
4503         * options.cc (General_options::parse_incremental_startup_unchanged):
4504         New function.
4505         (General_options::General_options): Initialize new data member.
4506         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
4507         (General_options): Add --incremental-startup-unchanged option.
4508         (General_options::incremental_startup_disposition): New function.
4509         (General_options::incremental_startup_disposition_): New data member.
4510
4511 2011-07-06  Cary Coutant  <ccoutant@google.com>
4512
4513         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
4514         input file index to Script_info ctor.
4515         (Sized_incremental_binary::do_file_has_changed): Find the
4516         command-line argument for files named in scripts.
4517         * incremental.h (Script_info::Script_info): New ctor
4518         with input file index.
4519         (Script_info::input_file_index): New function.
4520         (Script_info::input_file_index_): New data member.
4521         (Incremental_binary::get_library): Add const.
4522         (Incremental_binary::get_script_info): Add const.
4523         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
4524         * testsuite/Makefile.am (incremental_test_5): New test case.
4525         (incremental_test_6): New test case.
4526         * testsuite/Makefile.in: Regenerate.
4527
4528 2011-07-06  Cary Coutant  <ccoutant@google.com>
4529
4530         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
4531         debug output when command lines differ.
4532
4533 2011-07-06  Cary Coutant  <ccoutant@google.com>
4534
4535         * incremental.cc (Incremental_inputs::report_command_line): Ignore
4536         --incremental-patch option.
4537         * layout.cc (Free_list::allocate): Extend allocation beyond original
4538         end if enabled.
4539         (Layout::make_output_section): Mark sections that should get
4540         patch space.
4541         * options.cc (parse_percent): New function.
4542         * options.h (parse_percent): New function.
4543         (DEFINE_percent): New macro.
4544         (General_options): Add --incremental-patch option.
4545         * output.cc (Output_section::Output_section): Initialize new data
4546         members.
4547         (Output_section::add_input_section): Print section name when out
4548         of patch space.
4549         (Output_section::add_output_section_data): Likewise.
4550         (Output_section::set_final_data_size): Add patch space when
4551         doing --incremental-full.
4552         (Output_section::do_reset_address_and_file_offset): Remove patch
4553         space.
4554         (Output_segment::set_section_list_addresses): Print debug output
4555         only if --incremental-update.
4556         * output.h (Output_section::set_is_patch_space_allowed): New function.
4557         (Output_section::is_patch_space_allowed_): New data member.
4558         (Output_section::patch_space_): New data member.
4559         * parameters.cc (Parameters::incremental_full): New function.
4560         * parameters.h (Parameters::incremental_full): New function
4561         * testsuite/Makefile.am (incremental_test_2): Add test for
4562         --incremental-patch option.
4563         * testsuite/Makefile.in: Regenerate.
4564         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
4565         (t18): Remove function body.
4566
4567 2011-07-05  Doug Kwan  <dougkwan@google.com>
4568
4569         PR gold/12771
4570         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
4571         Arm_Address type for relocation result.
4572         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
4573         overflow check.
4574         (Arm_relocate_functions::abs32): Use unaligned access.
4575         (Arm_relocate_functions::rel32): Ditto.
4576         (Arm_relocate_functions::prel31): Ditto.
4577         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
4578         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
4579         static data relocations.
4580         * testsuite/Makefile.in: Regnerate.
4581         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
4582
4583 2011-07-05  Ian Lance Taylor  <iant@google.com>
4584
4585         PR gold/12392
4586         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
4587         symbols if necessary.
4588         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4589
4590 2011-07-05  Ian Lance Taylor  <iant@google.com>
4591
4592         PR gold/12952
4593         * resolve.cc (Symbol::override_base_with_special): Simply override
4594         version with special symbol version, ignoring previous version.
4595
4596 2011-07-05  Ian Lance Taylor  <iant@google.com>
4597
4598         * object.cc (Sized_relobj_file::include_section_group): Add
4599         information to comment about signature location.
4600
4601 2011-07-02  Ian Lance Taylor  <iant@google.com>
4602
4603         PR gold/12957
4604         * options.h (class General_options): Add -f and -F.
4605         * options.cc (General_options::finalize): Fatal error if -f/-F
4606         are used without -shared.
4607         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
4608
4609 2011-07-02  Ian Lance Taylor  <iant@google.com>
4610
4611         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
4612
4613 2011-07-01  Ian Lance Taylor  <iant@google.com>
4614
4615         PR gold/12525
4616         PR gold/12952
4617         * resolve.cc (Symbol::override_base_with_special): Don't override
4618         the version if the overriding symbol has a different name.
4619         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
4620         all callers.  If we give an error about an undefined version,
4621         define the base version if necessary.
4622         * dynobj.h (class Versions): Update declaration.
4623         * testsuite/weak_alias_test_5.cc: New file.
4624         * testsuite/weak_alias_test.script: New file.
4625         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
4626         and versioned_alias have the right value, and call t2.
4627         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
4628         weak_alias_test_5.so.
4629         (weak_alias_test_LDADD): Likewise.
4630         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
4631         * testsuite/Makefile.in: Rebuild.
4632
4633 2011-07-01  Ian Lance Taylor  <iant@google.com>
4634
4635         PR gold/12525
4636         * options.h (class General_options): Support -z notext.
4637         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
4638         -Wl,-z,notext.
4639         (two_file_shared_nonpic.so): Likewise.
4640         (two_file_shared_mixed.so): Likewise.
4641         (two_file_shared_mixed_1.so): Likewise.
4642         (weak_undef_lib_nonpic.so): Likewise.
4643         (alt/weak_undef_lib_nonpic.so): Likewise.
4644         (tls_test_shared_nonpic.so): Likewise.
4645         * testsuite/Makefile.in: Rebuild.
4646
4647 2011-07-01  Ian Lance Taylor  <iant@google.com>
4648
4649         PR gold/12525
4650         * configure.ac: Test whether static linking works, setting
4651         the automake conditional HAVE_STATIC.
4652         * testsuite/Makefile.am: Disable tests using -static if
4653         HAVE_STATIC is not true.
4654         * configure, testsuite/Makefile.in: Rebuild.
4655
4656 2011-07-01  Ian Lance Taylor  <iant@google.com>
4657
4658         PR gold/12525
4659         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
4660         Assert if we see DW_EH_PE_indirect.
4661         * target.h (Target::ehframe_datarel_base): New function.
4662         (Target::do_ehframe_datarel_base): New target function.
4663         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
4664         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
4665         function.
4666
4667 2011-07-01  Ian Lance Taylor  <iant@google.com>
4668
4669         PR gold/12571
4670         * options.h (class General_options): Add
4671         --ld-generated-unwind-info.
4672         * ehframe.cc (Fde::write): Add address parameter.  Change all
4673         callers.  If associated with PLT, fill in address and size.
4674         (Cie::set_output_offset): Only add merge mapping if there is an
4675         object.
4676         (Cie::write): Add address parameter.  Change all callers.
4677         (Eh_frame::add_ehframe_for_plt): New function.
4678         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
4679         input_offset_ fields into union u_, with new plt field.
4680         (Fde::Fde): Adjust for new union field.
4681         (Fde::Fde) [Output_data version]: New constructor.
4682         (Fde::add_mapping): Only add merge mapping if there is an object.
4683         (class Cie): Update declarations.
4684         (class Eh_frame): Declare add_ehframe_for_plt.
4685         * layout.cc (Layout::layout_eh_frame): Break out code into
4686         make_eh_frame_section, and call it.
4687         (Layout::make_eh_frame_section): New function.
4688         (Layout::add_eh_frame_for_plt): New function.
4689         * layout.h (class Layout): Update declarations.
4690         * merge.cc (Merge_map::add_mapping): Add assertion.
4691         * i386.cc: Include "dwarf.h".
4692         (class Output_data_plt_i386): Make first_plt_entry,
4693         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
4694         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
4695         and plt_eh_frame_fde.
4696         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
4697         boundary.  Call add_eh_frame_for_plt if appropriate.
4698         * x86_64.cc: Include "dwarf.h".
4699         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
4700         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
4701         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
4702         and plt_eh_frame_fde.
4703         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
4704         appropriate.
4705
4706 2011-06-29  Ian Lance Taylor  <iant@google.com>
4707
4708         PR gold/12629
4709         * object.cc (Sized_relobj_file::layout_section): Change shdr
4710         parameter to be const.
4711         (Sized_relobj_file::layout_eh_frame_section): New function, broken
4712         out of do_layout.
4713         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
4714         appropriate.  Call layout_eh_frame_section.
4715         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
4716         sections.
4717         * object.h (class Sized_relobj_file): Update declarations.
4718
4719 2011-06-29  Ian Lance Taylor  <iant@google.com>
4720
4721         PR gold/12652
4722         * script.cc (Token::integer_value): Accept trailing M/m/K/k
4723         modifier.
4724         (Lex::gather_token): Accept trailing M/m/K/k for integers.
4725
4726 2011-06-29  Ian Lance Taylor  <iant@google.com>
4727
4728         PR gold/12675
4729         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
4730         SHT_X86_64_UNWIND.
4731         * layout.cc (Layout::layout_eh_frame): Likewise.
4732
4733 2011-06-29  Ian Lance Taylor  <iant@google.com>
4734
4735         PR gold/12695
4736         * layout.cc (Layout::symtab_section_shndx): New function.
4737         * layout.h (class Layout): Declare symtab_section_shndx.
4738         * output.cc (Output_section::write_header): Call it.
4739
4740 2011-06-29  Ian Lance Taylor  <iant@google.com>
4741
4742         PR gold/12818
4743         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
4744         symbols which are not used in a relocation.
4745
4746 2011-06-28  Ian Lance Taylor  <iant@google.com>
4747
4748         PR gold/12898
4749         * layout.cc (Layout::segment_precedes): Don't crash if a linker
4750         script create indistinguishable segments.
4751         (Layout::set_segment_offsets): Use stable_sort when sorting
4752         segments.  Pass this to Compare_segments constructor.
4753         * layout.h (class Layout): Make segment_precedes non-static.
4754         (class Compare_segments): Change from struct to class.  Add
4755         layout_ field.  Add constructor.
4756         * script-sections.cc
4757         (Script_sections::attach_sections_using_phdrs_clause): Rename
4758         local orphan to is_orphan.  Don't report failure to put empty
4759         section in segment.  On attachment failure, report name of
4760         section, and attach to first PT_LOAD segment.
4761
4762 2011-06-28  Ian Lance Taylor  <iant@google.com>
4763
4764         PR gold/12934
4765         * target-select.cc (Target_selector::Target_selector): Add
4766         emulation parameter.  Change all callers.
4767         (select_target_by_bfd_name): Rename from select_target_by_name.
4768         Change all callers.
4769         (select_target_by_emulation): New function.
4770         (supported_emulation_names): New function.
4771         * target-select.h (class Target_selector): Add emulation_ field.
4772         Update declarations.
4773         (Target_selector::recognize_by_bfd_name): Rename from
4774         recognize_by_name.  Change all callers.
4775         (Target_selector::supported_bfd_names): Rename from
4776         supported_names.  Change all callers.
4777         (Target_selector::recognize_by_emulation): New function.
4778         (Target_selector::supported_emulations): New function.
4779         (Target_selector::emulation): New function.
4780         (Target_selector::do_recognize_by_bfd_name): Rename from
4781         do_recognize_by_name.  Change all callers.
4782         (Target_selector::do_supported_bfd_names): Rename from
4783         do_supported_names.  Change all callers.
4784         (Target_selector::do_recognize_by_emulation): New function.
4785         (Target_selector::do_supported_emulations): New function.
4786         (select_target_by_bfd_name): Change name in declaration.
4787         (select_target_by_emulation): Declare.
4788         (supported_emulation_names): Declare.
4789         * parameters.cc (parameters_force_valid_target): Try to find
4790         target based on emulation from -m option.
4791         * options.h (class General_options): Change doc string for -m.
4792         * options.cc (help): Print emulations.
4793         (General_options::parse_V): Likewise.
4794         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
4795         Add emulation parameter.  Change all callers.
4796
4797 2011-06-28  Ian Lance Taylor  <iant@google.com>
4798
4799         * target.h (class Target): Add osabi_ field.
4800         (Target::osabi): New function.
4801         (Target::set_osabi): New function.
4802         (Target::Target): Initialize osabi_.
4803         (Target::do_adjust_elf_header): Make pure virtual.
4804         (Sized_target::do_adjust_elf_header): Declare.
4805         * target.cc (Sized_target::do_adjust_elf_header): New function.
4806         (class Sized_target): Instantiate all versions.
4807         * freebsd.h (class Target_freebsd): Remove.
4808         (Target_selector_freebsd::do_recognize): Call set_osabi on
4809         Target.
4810         (Target_selector_freebsd::do_recognize_by_name): Likewise.
4811         (Target_selector_freebsd::set_osabi): Remove.
4812         * i386.cc (class Target_i386): Inherit from Sized_target rather
4813         than Target_freebsd.
4814         * x86_64.cc (class Target_x86_64): Likewise.
4815
4816 2011-06-28  Ian Lance Taylor  <iant@google.com>
4817
4818         * target.h (Target::can_check_for_function_pointers): Rewrite.
4819         Make non-virtual.
4820         (Target::can_icf_inline_merge_sections): Likewise.
4821         (Target::section_may_have_icf_unsafe_poineters): Likewise.
4822         (Target::Target_info): Add can_icf_inline_merge_sections field.
4823         (Target::do_can_check_for_function_pointers): New virtual
4824         function.
4825         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
4826         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
4827         from can_check_for_function_pointers, move in file.
4828         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
4829         section_may_have_icf_unsafe_poineters, move in file.
4830         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
4831         * i386.cc (Target_i386::do_can_check_for_function_pointers):
4832         Rename from can_check_for_function_pointers, move in file.
4833         (Target_i386::can_icf_inline_merge_sections): Remove.
4834         (Target_i386::i386_info): Initialize
4835         can_icf_inline_merge_sections.
4836         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4837         Initialize can_icf_inline_merge_sections.
4838         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
4839         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
4840         Rename from can_check_for_function_pointers, move in file.
4841         (Target_x86_64::can_icf_inline_merge_sections): Remove.
4842         (Target_x86_64::x86_64_info): Initialize
4843         can_icf_inline_merge_sections.
4844         * testsuite/testfile.cc (Target_test::test_target_info):
4845         Likewise.
4846         * icf.cc (get_section_contents): Correct formatting.
4847
4848 2011-06-27  Ian Lance Taylor  <iant@google.com>
4849
4850         * symtab.cc (Symbol::versioned_name): New function.
4851         (Symbol_table::add_to_final_symtab): Use versioned_name when
4852         appropriate.
4853         (Symbol_table::sized_write_symbol): Likewise.
4854         * symtab.h (class Symbol): Declare versioned_name.
4855         * stringpool.h (class Stringpool_template): Add variant of add
4856         which takes a std::basic_string.
4857         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
4858         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
4859         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
4860         (ver_test_12.o): New target.
4861         * testsuite/Makefile.in: Rebuild.
4862
4863 2011-06-27  Doug Kwan  <dougkwan@google.com>
4864
4865         * arm.cc (Arm_relocate_functions::thm_jump8,
4866         Arm_relocate_functions::thm_jump11): Use a wider signed
4867         type to compute offset.
4868         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
4869         arm_thm_jump8.
4870         * testsuite/Makefile.in: Regenerate.
4871         * testsuite/arm_branch_in_range.sh: Check test results of
4872         arm_thm_jump11 and arm_thm_jump8.
4873         * testsuite/arm_thm_jump11.s: New test source file.
4874         * testsuite/arm_thm_jump11.t: New linker script.
4875         * testsuite/arm_thm_jump8.s: New test source file.
4876         * testsuite/arm_thm_jump8.t: New linker script.
4877
4878 2011-06-24  Ian Lance Taylor  <iant@google.com>
4879
4880         * layout.cc: Include "object.h".
4881         (ctors_sections_in_init_array): New static variable.
4882         (Layout::is_ctors_in_init_array): New function.
4883         (Layout::layout): Add entry to ctors_sections_in_init_array if
4884         appropriate.
4885         * layout.h (class Layout): Declare is_ctors_in_init_array.
4886         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
4887         is_ctors_reverse_view is set.
4888         (Sized_relobj_file::write_sections): Add layout parameter.  Change
4889         all callers.  Set is_ctors_reverse_view field of View_size.
4890         (Sized_relobj_file::reverse_words): New function.
4891         * object.h (Sized_relobj_file::View_size): Add
4892         is_ctors_reverse_view field.
4893         (class Sized_relobj_file): Update declarations.
4894         * testsuite/initpri3.c: New test.
4895         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
4896         initpri3b.
4897         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
4898         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
4899         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
4900         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
4901         * testsuite/Makefile.in: Rebuild.
4902
4903 2011-06-24  Cary Coutant  <ccoutant@google.com>
4904
4905         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
4906         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
4907         (debug_msg_cdebug.err): New targets.
4908         * testsuite/Makefile.in: Regenerate.
4909         * testsuite/debug_msg.sh: Check output of link with compressed debug.
4910         Fix checks for link with shared library.
4911
4912 2011-06-24  Doug Kwan  <dougkwan@google.com>
4913
4914         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
4915         skip empty text sections.
4916         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
4917
4918 2011-06-22  Ian Lance Taylor  <iant@google.com>
4919
4920         PR gold/12910
4921         * options.h (class General_options): Add --ctors-in-init-array.
4922         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
4923         friends as SHT_PROGBITS for merging sections.
4924         (Layout::layout): Remove special handling of .init_array and
4925         friends.  Don't sort if doing relocatable link.  Sort for .ctors
4926         and .dtors if ctors_in_init_array.
4927         (Layout::make_output_section): Force correct section types for
4928         .init_array and friends.  Don't sort if doing relocatable link,
4929         Don't sort .ctors and .dtors if ctors_in_init_array.
4930         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
4931         (Layout::output_section_name): Add relobj parameter.  Change all
4932         callers.  Handle .ctors. and .dtors. in code rather than table.
4933         Handle .ctors and .dtors if ctors_in_init_array.
4934         (Layout::match_file_name): New function, moved from output.cc.
4935         * layout.h (class Layout): Update declarations.
4936         * output.cc: Include "layout.h".
4937         (Input_section_sort_entry::get_priority): New function.
4938         (Input_section_sort_entry::match_file_name): Just call
4939         Layout::match_file_name.
4940         (Output_section::Input_section_sort_init_fini_compare::operator()):
4941         Handle .ctors and .dtors.  Sort by explicit priority rather than
4942         by name.
4943         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
4944         * testsuite/initpri2.c: New test.
4945         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
4946         (check_PROGRAMS): Add initpri2.
4947         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
4948         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
4949         * configure, testsuite/Makefile.in: Rebuild.
4950
4951 2011-06-19  Ian Lance Taylor  <iant@google.com>
4952
4953         PR gold/12880
4954         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
4955         .interp section to a PT_INTERP segment even if we have seen a
4956         --dynamic-linker option.  Don't do it if we have seen a PHDRS
4957         clause in a linker script.
4958         (Layout::finalize): Don't create a .interp section if we've
4959         already create a PT_INTERP segment.
4960         (Layout::create_interp): Always call choose_output_section (revert
4961         patch of 2011-06-17).  Don't create PT_INTERP segment.
4962         * script-sections.cc
4963         (Script_sections::create_note_and_tls_segments): Add a .interp
4964         section to a PT_INTERP segment even if we have seen a
4965         --dynamic-linker option.
4966
4967 2011-06-18  Ian Lance Taylor  <iant@google.com>
4968
4969         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
4970         merely because a non-PT_LOAD segment has a dynamic reloc.
4971
4972 2011-06-18  Ian Lance Taylor  <iant@google.com>
4973
4974         * layout.cc (Layout::finish_dynamic_section): Don't create
4975         DT_FLAGS entry if not needed.
4976
4977 2011-06-18  Ian Lance Taylor  <iant@google.com>
4978
4979         PR gold/12745
4980         * layout.cc (Layout::layout_eh_frame): Correct handling of
4981         writable .eh_frame section.
4982
4983 2011-06-17  Ian Lance Taylor  <iant@google.com>
4984
4985         PR gold/12893
4986         * resolve.cc (Symbol_table::resolve): Don't give an error if a
4987         symbol is redefined with the exact same object and value.
4988
4989 2011-06-17  Ian Lance Taylor  <iant@google.com>
4990
4991         PR gold/12880
4992         * layout.h (class Layout): Add interp_segment_ field.
4993         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
4994         (Layout::attach_allocated_section_to_segment): If making shared
4995         library, put .interp section in PT_INTERP segment.
4996         (Layout::finalize): Also call create_interp if -dynamic-linker
4997         option was used.
4998         (Layout::create_interp): Assert that there is no PT_INTERP
4999         segment.  If not using a SECTIONS clause, use make_output_section.
5000         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
5001         * script-sections.cc
5002         (Script_sections::create_note_and_tls_segments): If making shared
5003         library, put .interp section in PT_INTERP segment.
5004
5005 2011-06-17  Ian Lance Taylor  <iant@google.com>
5006
5007         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
5008         when making a shared library.
5009
5010 2011-06-17  Ian Lance Taylor  <iant@google.com>
5011
5012         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
5013         parameter.  Change all callers.  Don't issue warning about PC32
5014         against locally defined symbol.
5015
5016 2011-06-16  Ian Lance Taylor  <iant@google.com>
5017
5018         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
5019         occurs in same object.
5020
5021 2011-06-14  Alan Modra  <amodra@gmail.com>
5022
5023         * po/POTFILES.in: Regenerate.
5024
5025 2011-06-09  Ian Lance Taylor  <iant@google.com>
5026
5027         * script-sections.cc
5028         (Orphan_output_section::set_section_addresses): For a relocatable
5029         link set address to 0.
5030
5031 2011-06-09  Cary Coutant  <ccoutant@google.com>
5032
5033         PR gold/12804
5034         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
5035         used with --compress-debug-sections.
5036         * gold/object.cc (Sized_relobj_file::do_layout): Report
5037         uncompressed size of compressed input sections.
5038
5039 2011-06-08  Cary Coutant  <ccoutant@google.com>
5040
5041         PR gold/12804
5042         * testsuite/two_file_test_2_v1.cc: Change initialization of
5043         v2 to keep it in .data.
5044
5045 2011-06-07  Cary Coutant  <ccoutant@google.com>
5046
5047         * common.cc (Symbol_table::do_allocate_commons_list): Call
5048         gold_fallback.
5049         * errors.cc (Errors::fatal): Adjust call to gold_exit.
5050         (Errors::fallback): New function.
5051         (gold_fallback): New function.
5052         * errors.h (Errors::fallback): New function.
5053         * gold.cc (gold_exit): Change status parameter to enum; adjust
5054         all callers.
5055         (queue_initial_tasks): Call gold_fallback.
5056         * gold.h: Include cstdlib.
5057         (Exit_status): New enum type.
5058         (gold_exit): Change status parameter to enum.
5059         (gold_fallback): New function.
5060         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
5061         (Layout::create_symtab_sections): Likewise.
5062         (Layout::create_shdrs): Likewise.
5063         * main.cc (main): Adjust call to gold_exit.
5064         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
5065         (Output_data_got::add_got_entry_pair): Likewise.
5066         (Output_section::add_input_section): Likewise.
5067         (Output_section::add_output_section_data): Likewise.
5068         (Output_segment::set_section_list_addresses): Likewise.
5069         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
5070
5071 2011-06-07  Cary Coutant  <ccoutant@google.com>
5072
5073         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
5074         for incremental links.
5075         * output.cc (Output_segment::set_section_list_addresses): Remove
5076         FIXME and test for TLS or BSS.
5077
5078 2011-06-07  Cary Coutant  <ccoutant@google.com>
5079
5080         * testsuite/Makefile.am: Add incremental_copy_test,
5081         incremental_common_test_1.
5082         * testsuite/Makefile.in: Regenerate.
5083         * testsuite/common_test_1_v1.c: New source file.
5084         * testsuite/common_test_1_v2.c: New source file.
5085         * testsuite/copy_test_v1.cc: New source file.
5086
5087 2011-06-07  Cary Coutant  <ccoutant@google.com>
5088
5089         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
5090         update, allocate common from bss section's free list.
5091         * incremental-dump.cc (dump_incremental_inputs): Print flag for
5092         linker-defined symbols.
5093         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
5094         Skip GOT and PLT entries that are no longer referenced.
5095         (Output_section_incremental_inputs::write_info_blocks): Mark
5096         linker-defined symbols.
5097         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
5098         * output.cc (Output_section::allocate): New function.
5099         * output.h (Output_section::allocate): New function.
5100         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
5101         linker-defined symbols.
5102         (Symbol::override_base_with_special): Copy is_predefined_ flag.
5103         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
5104         (Symbol::init_base_output_data): Likewise.
5105         (Symbol::init_base_output_segment): Likewise.
5106         (Symbol::init_base_constant): Likewise.
5107         (Sized_symbol::init_output_data): Likewise.
5108         (Sized_symbol::init_output_segment): Likewise.
5109         (Sized_symbol::init_constant): Likewise.
5110         (Symbol_table::do_define_in_output_data): Likewise.
5111         (Symbol_table::do_define_in_output_segment): Likewise.
5112         (Symbol_table::do_define_as_constant): Likewise.
5113         * symtab.h (Symbol::is_predefined): New function.
5114         (Symbol::init_base_output_data): Add is_predefined parameter.
5115         (Symbol::init_base_output_segment): Likewise.
5116         (Symbol::init_base_constant): Likewise.
5117         (Symbol::is_predefined_): New data member.
5118         (Sized_symbol::init_output_data): Add is_predefined parameter.
5119         (Sized_symbol::init_output_segment): Likewise.
5120         (Sized_symbol::init_constant): Likewise.
5121         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
5122
5123 2011-06-07  Cary Coutant  <ccoutant@google.com>
5124
5125         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
5126         instead of emit_copy_reloc.
5127         (Copy_relocs::emit_copy_reloc): Refactor.
5128         (Copy_relocs::make_copy_reloc): New function.
5129         (Copy_relocs::add_copy_reloc): Remove.
5130         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
5131         section.
5132         (Copy_relocs::make_copy_reloc): New function.
5133         (Copy_relocs::add_copy_reloc): Remove.
5134         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
5135         unchanged input files.
5136         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
5137         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
5138         Reserve BSS space for COPY relocations.
5139         (Sized_incremental_binary::do_emit_copy_relocs): New function.
5140         (Output_section_incremental_inputs::write_info_blocks): Record
5141         whether a symbol is copied from a shared object.
5142         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
5143         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
5144         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
5145         (Incremental_input_entry_reader::get_output_symbol_index): Add
5146         is_copy parameter.
5147         (Incremental_binary::emit_copy_relocs): New function.
5148         (Incremental_binary::do_emit_copy_relocs): New function.
5149         (Sized_incremental_binary::Sized_incremental_binary): Initialize
5150         new data member.
5151         (Sized_incremental_binary::add_copy_reloc): New function.
5152         (Sized_incremental_binary::do_emit_copy_relocs): New function.
5153         (Sized_incremental_binary::Copy_reloc): New struct.
5154         (Sized_incremental_binary::Copy_relocs): New typedef.
5155         (Sized_incremental_binary::copy_relocs_): New data member.
5156         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
5157         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
5158         * target.h (Sized_target::emit_copy_reloc): New function.
5159         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
5160
5161 2011-06-02  Cary Coutant  <ccoutant@google.com>
5162
5163         PR gold/12163
5164         * gold/archive.cc (Archive::Archive): Initialize new data member.
5165         (Archive::include_all_members): Return if archive has already been
5166         included.
5167         * gold/archive.h (Archive::include_all_members_): New data member.
5168
5169 2011-06-02  Nick Clifton  <nickc@redhat.com>
5170
5171         * dynobj.h: Fix spelling mistake in comment.
5172         * output.cc: Likewise.
5173
5174 2011-05-31  Doug Kwan  <dougkwan@google.com>
5175             Asier Llano
5176
5177         PR gold/12826
5178         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
5179         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
5180         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
5181         redundant arm_exidx_test.so.
5182         * testsuite/Makefile.in: Regenerate.
5183         (check_SCRIPTS): Add pr12826.sh
5184         (check_DATA): Add pr12826.stdout
5185         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
5186         * testsuite/pr12826.sh: New file.
5187         * testsuite/pr12826_1.s: Ditto.
5188         * testsuite/pr12826_1.s: Ditto.
5189
5190 2011-05-30  Ian Lance Taylor  <iant@google.com>
5191
5192         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
5193         sections.
5194
5195 2011-05-29  Ian Lance Taylor  <iant@google.com>
5196
5197         PR gold/12804
5198         * testsuite/Makefile.am: Use different file name for two_file_test
5199         temporary file for each incremental test.
5200         * testsuite/Makefile.in: Rebuild.
5201
5202 2011-05-29  Ian Lance Taylor  <iant@google.com>
5203
5204         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
5205         binary input file is empty.
5206
5207 2011-05-27  Ian Lance Taylor  <iant@google.com>
5208
5209         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
5210         (ver_test_9.so): Likewise.
5211         * testsuite/Makefile.in: Rebuild.
5212
5213 2011-05-26 Cary Coutant  <ccoutant@google.com>
5214
5215         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
5216         * incremental.cc (Incremental_inputs::report_input_section): Fix
5217         comment, indentation.
5218         (Incremental_inputs::report_comdat_group): New function.
5219         (Output_section_incremental_inputs::set_final_data_size): Adjust size
5220         of data for incremental input file entry.
5221         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
5222         group count, COMDAT group signatures.
5223         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
5224         an unchanged input file.
5225         * incremental.h (Incremental_object_entry::Incremental_object_entry):
5226         Initialize new data member.
5227         (Incremental_object_entry::add_comdat_group): New function.
5228         (Incremental_object_entry::get_comdat_group_count): New function.
5229         (Incremental_object_entry::get_comdat_signature_key): New function.
5230         (Incremental_object_entry::groups_): New data member.
5231         (Incremental_inputs::report_comdat_group): New function.
5232         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
5233         data for incremental input file entry.
5234         (Incremental_input_entry_reader::get_comdat_group_count): New function.
5235         (Incremental_input_entry_reader::get_input_section): Adjust size of
5236         data for incremental input file entry.
5237         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
5238         (Incremental_input_entry_reader::get_comdat_group_signature): New
5239         function.
5240         * object.cc (Sized_relobj::include_section_group): Report kept
5241         COMDAT groups for incremental links.
5242
5243 2011-05-24  David Meyer  <pdox@google.com>
5244
5245         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
5246         with name parameter.  Add found_name parameter.
5247         * fileread.cc (Input_file::find_file): Adjust code accordingly.
5248         * dirsearch.h (class Dirsearch): Update declaration.
5249
5250 2011-05-24  Ian Lance Taylor  <iant@google.com>
5251
5252         * archive.cc (Library_base::should_include_member): Pull in object
5253         from archive if it defines the entry symbol.
5254         * parameters.cc (Parameters::entry): New function.
5255         * parameters.h (class Parameters): Declare entry.
5256         * output.h (class Output_file_header): Remove entry_ field.
5257         * output.cc (Output_file_header::Output_file_header): Remove entry
5258         parameter.  Change all callers.
5259         (Output_file_header::entry): Use parameters->entry.
5260         * gold.cc (queue_middle_tasks): Likewise.
5261         * plugin.cc (Plugin_hook::run): Likewise.
5262
5263 2011-05-24 Cary Coutant  <ccoutant@google.com>
5264
5265         * gold.cc (queue_initial_tasks): Pass incremental base filename
5266         to Output_file::open_base_file; don't print error message.
5267         * incremental-dump.cc (main): Adjust call to
5268         Output_file::open_for_modification.
5269         * incremental-dump.cc (main): Likewise.
5270         * incremental.cc (Incremental_inputs::report_command_line):
5271         Ignore --incremental-base option when comparing command lines.
5272         Ignore parameter when given as separate argument.
5273         * options.h (class General_options): Add --incremental-base.
5274         * output.cc (Output_file::Output_file):
5275         (Output_file::open_base_file): Add base_name and writable parameters;
5276         read base file into new file; print error message here.
5277         (Output_file::map_no_anonymous): Add writable parameter; adjust all
5278         callers.
5279         * output.h (Output_file::open_for_modification): Rename to...
5280         (Output_file::open_base_file): ...this; add base_name and
5281         writable parameters; adjust all callers.
5282         (Output_file::map_no_anonymous): Add writable parameter; adjust all
5283         callers.
5284         * testsuite/Makefile.am (incremental_test_4): Test
5285         --incremental-base.
5286         * testsuite/Makefile.in: Regenerate.
5287
5288 2011-05-24 Cary Coutant  <ccoutant@google.com>
5289
5290         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
5291         incremental_test_4.
5292         * testsuite/Makefile.in: Regenerate.
5293         * testsuite/two_file_test_1_v1.cc: New test source file.
5294         * testsuite/two_file_test_1b_v1.cc: New test source file.
5295         * testsuite/two_file_test_2_v1.cc: New test source file.
5296
5297 2011-05-24 Cary Coutant  <ccoutant@google.com>
5298
5299         * dynobj.h (Dynobj::do_dynobj): New function.
5300         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
5301         flag and soname for shared objects.
5302         * incremental.cc (Incremental_inputs::report_object): Make
5303         either Incremental_object_entry or Incremental_dynobj_entry; add
5304         soname to string table.
5305         (Incremental_inputs::report_input_section): Add assertion.
5306         (Output_section_incremental_inputs::set_final_data_size): Adjust
5307         type of input file entry for shared libraries; adjust size of
5308         shared library info entry.
5309         (Output_section_incremental_inputs::write_input_files): Write
5310         as_needed flag for shared libraries.
5311         (Output_section_incremental_inputs::write_info_blocks): Adjust type
5312         of input file entry for shared libraries; write soname.
5313         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
5314         soname from incremental info.
5315         * incremental.h (enum Incremental_input_flags): Add
5316         INCREMENTAL_INPUT_AS_NEEDED.
5317         (Incremental_input_entry::Incremental_input_entry): Initialize new
5318         data member.
5319         (Incremental_input_entry::set_as_needed): New function.
5320         (Incremental_input_entry::as_needed): New function.
5321         (Incremental_input_entry::do_dynobj_entry): New function.
5322         (Incremental_input_entry::as_needed_): New data member.
5323         (Incremental_object_entry::Incremental_object_entry): Don't check
5324         for shared library.
5325         (Incremental_object_entry::do_type): Likewise.
5326         (class Incremental_dynobj_entry): New class.
5327         (Incremental_input_entry_reader::as_needed): New function.
5328         (Incremental_input_entry_reader::get_soname): New function.
5329         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
5330         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
5331         size of shared library info entry.
5332         * layout.cc (Layout::finish_dynamic_section): Don't test for
5333         incremental link when adding DT_NEEDED entries.
5334         * object.h (Object::Object): Initialize new data member.
5335         (Object::dynobj): New function.
5336         (Object::set_as_needed): New function.
5337         (Object::as_needed): New function.
5338         (Object::do_dynobj): New function.
5339         (Object::as_needed_): New data member.
5340
5341 2011-05-24 Cary Coutant  <ccoutant@google.com>
5342
5343         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
5344         info; adjust display of GOT entries.
5345         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
5346         vector of input objects; remove file_status_.
5347         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
5348         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
5349         got_plt reader; call target hooks to reserve GOT entries.
5350         (Output_section_incremental_inputs::set_final_data_size): Adjust size
5351         of input file info header and GOT info entry.
5352         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
5353         relocation info.
5354         (Got_plt_view_info::got_descriptor): Remove.
5355         (Got_plt_view_info::sym_index): New data member.
5356         (Got_plt_view_info::input_index): New data member.
5357         (Local_got_offset_visitor::visit): Write input file index.
5358         (Global_got_offset_visitor::visit): Write 0 for input file index.
5359         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
5360         with sym_index and input_index.
5361         (Output_section_incremental_inputs::write_got_plt): Adjust size of
5362         incremental info GOT entry; replace got_descriptor with input_index.
5363         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
5364         map from input file index to object.
5365         (Sized_relobj_incr::do_layout): Replace direct data member reference
5366         with accessor function.
5367         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
5368         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
5369         Adjust size of input file info header.
5370         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
5371         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
5372         (Incremental_input_entry_reader::get_input_section): Adjust size of
5373         input file info header.
5374         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
5375         of incremental info GOT entry.
5376         (Incremental_got_plt_reader::get_got_desc): Remove.
5377         (Incremental_got_plt_reader::get_got_symndx): New function.
5378         (Incremental_got_plt_reader::get_got_input_index): New function.
5379         (Sized_incremental_binary::Sized_incremental_binary): Remove
5380         file_status_; add input_objects_.
5381         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
5382         (Sized_incremental_binary::set_file_is_unchanged): Remove.
5383         (Sized_incremental_binary::file_is_unchanged): Remove.
5384         (Sized_incremental_binary::set_input_object): New function.
5385         (Sized_incremental_binary::input_object): New function.
5386         (Sized_incremental_binary::file_status_): Remove.
5387         (Sized_incremental_binary::input_objects_): New data member.
5388         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
5389         references.
5390         (Sized_relobj_incr::invalid_address): Move to base class.
5391         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
5392         class.
5393         (Sized_relobj_incr::do_output_section_offset): Likewise.
5394         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
5395         (Sized_relobj_incr::section_offsets_): Likewise.
5396         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
5397         function.
5398         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
5399         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
5400         with accessor function.
5401         (Sized_relobj_file::do_layout): Likewise.
5402         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
5403         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
5404         (Sized_relobj_file::compute_final_local_value): Replace refs to
5405         section_offsets_ with accessor function.
5406         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
5407         * object.h (Relobj::Relobj): Initialize new data members.
5408         (Relobj::add_dyn_reloc): New function.
5409         (Relobj::first_dyn_reloc): New function.
5410         (Relobj::dyn_reloc_count): New function.
5411         (Relobj::first_dyn_reloc_): New data member.
5412         (Relobj::dyn_reloc_count_): New data member.
5413         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
5414         references.
5415         (Sized_relobj::Address): New typedef.
5416         (Sized_relobj::invalid_address): Move here from child class.
5417         (Sized_relobj::Sized_relobj): Initialize new data members.
5418         (Sized_relobj::sized_relobj): New function.
5419         (Sized_relobj::is_output_section_offset_invalid): Move here from
5420         child class.
5421         (Sized_relobj::get_output_section_offset): Likewise.
5422         (Sized_relobj::local_has_got_offset): Likewise.
5423         (Sized_relobj::local_got_offset): Likewise.
5424         (Sized_relobj::set_local_got_offset): Likewise.
5425         (Sized_relobj::do_for_all_local_got_entries): Likewise.
5426         (Sized_relobj::clear_got_offsets): New function.
5427         (Sized_relobj::section_offsets): Move here from child class.
5428         (Sized_relobj::do_output_section_offset): Likewise.
5429         (Sized_relobj::do_set_section_offset): Likewise.
5430         (Sized_relobj::Local_got_offsets): Likewise.
5431         (Sized_relobj::local_got_offsets_): Likewise.
5432         (Sized_relobj::section_offsets_): Likewise.
5433         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
5434         references.
5435         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
5436         class.
5437         (Sized_relobj_file::sized_relobj): New function
5438         (Sized_relobj_file::local_has_got_offset): Move to base class.
5439         (Sized_relobj_file::local_got_offset): Likewise.
5440         (Sized_relobj_file::set_local_got_offset): Likewise.
5441         (Sized_relobj_file::get_output_section_offset): Likewise.
5442         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
5443         (Sized_relobj_file::do_output_section_offset): Likewise.
5444         (Sized_relobj_file::do_set_section_offset): Likewise.
5445         (Sized_relobj_file::Local_got_offsets): Likewise.
5446         (Sized_relobj_file::local_got_offsets_): Likewise.
5447         (Sized_relobj_file::section_offsets_): Likewise.
5448         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
5449         (all constructors).
5450         (set_needs_dynsym_index): Convert relobj to derived class pointer.
5451         (Output_reloc::get_symbol_index): Likewise.
5452         (Output_reloc::local_section_offset): Likewise.
5453         (Output_reloc::get_address): Likewise.
5454         (Output_reloc::symbol_value): Likewise.
5455         (Output_data_got::reserve_slot): Move to class definition.
5456         (Output_data_got::reserve_local): New function.
5457         (Output_data_got::reserve_slot_for_global): Remove.
5458         (Output_data_got::reserve_global): New function.
5459         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
5460         (all constructors, two instantiations).
5461         (Output_reloc::get_relobj): New function (two instantiations).
5462         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
5463         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
5464         (Output_data_reloc::add_global): Adjust type of relobj.
5465         (Output_data_reloc::add_global_relative): Likewise.
5466         (Output_data_reloc::add_symbolless_global_addend): Likewise.
5467         (Output_data_reloc::add_local): Likewise.
5468         (Output_data_reloc::add_local_relative): Likewise.
5469         (Output_data_reloc::add_symbolless_local_addend): Likewise.
5470         (Output_data_reloc::add_local_section): Likewise.
5471         (Output_data_reloc::add_output_section): Likewise.
5472         (Output_data_reloc::add_absolute): Likewise.
5473         (Output_data_reloc::add_target_specific): Likewise.
5474         (Output_data_got::reserve_slot): Move definition here.
5475         (Output_data_got::reserve_local): New function.
5476         (Output_data_got::reserve_global): New function.
5477         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
5478         section_offsets_ with accessor function.
5479         (Sized_relobj_file::write_sections): Likewise.
5480         (Sized_relobj_file::do_relocate_sections): Likewise.
5481         * target.h (Sized_target::reserve_local_got_entry): New function.
5482         (Sized_target::reserve_global_got_entry): New function.
5483         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
5484         (Target_x86_64::reserve_global_got_entry): New function.
5485         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
5486
5487 2011-05-23 Cary Coutant  <ccoutant@google.com>
5488
5489         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
5490         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
5491         bit when checking got_type.
5492         * incremental.cc (Sized_incremental_binary::setup_readers):
5493         Store symbol table and string table locations; initialize bit vector
5494         of file status flags.
5495         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
5496         unchanged files.
5497         (Sized_incremental_binary::do_process_got_plt): New function.
5498         (Sized_incremental_binary::get_symtab_view): Use stored locations.
5499         (Output_section_incremental_inputs::set_final_data_size): Record
5500         file index for each input file.
5501         (Output_section_incremental_inputs::write_got_plt): Store file index
5502         instead of input entry offset for each GOT entry.
5503         * incremental.h
5504         (Incremental_input_entry::Incremental_input_entry): Initialize new
5505         data member.
5506         (Incremental_input_entry::set_offset): Store file index.
5507         (Incremental_input_entry::get_file_index): New function.
5508         (Incremental_input_entry::file_index_): New data member.
5509         (Incremental_binary::process_got_plt): New function.
5510         (Incremental_binary::do_process_got_plt): New function.
5511         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
5512         data members.
5513         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
5514         (Sized_incremental_binary::set_file_is_unchanged): New function.
5515         (Sized_incremental_binary::file_is_unchanged): New function.
5516         (Sized_incremental_binary::do_process_got_plt): New function.
5517         (Sized_incremental_binary::file_status_): New data member.
5518         (Sized_incremental_binary::main_symtab_loc_): New data member.
5519         (Sized_incremental_binary::main_strtab_loc_): New data member.
5520         * output.cc (Output_data_got::Got_entry::write): Add case
5521         RESERVED_CODE.
5522         (Output_data_got::add_global): Call add_got_entry.
5523         (Output_data_got::add_global_plt): Likewise.
5524         (Output_data_got::add_global_with_rel): Likewise.
5525         (Output_data_got::add_global_with_rela): Likewise.
5526         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
5527         (Output_data_got::add_global_pair_with_rela): Likewise.
5528         (Output_data_got::add_local): Call add_got_entry.
5529         (Output_data_got::add_local_plt): Likewise.
5530         (Output_data_got::add_local_with_rel): Likewise.
5531         (Output_data_got::add_local_with_rela): Likewise.
5532         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
5533         (Output_data_got::add_local_pair_with_rela): Likewise.
5534         (Output_data_got::reserve_slot): New function.
5535         (Output_data_got::reserve_slot_for_global): New function.
5536         (Output_data_got::add_got_entry): New function.
5537         (Output_data_got::add_got_entry_pair): New function.
5538         (Output_section::add_output_section_data): Edit FIXME.
5539         * output.h
5540         (Output_section_data_build::Output_section_data_build): New
5541         constructor with size parameter.
5542         (Output_data_space::Output_data_space): Likewise.
5543         (Output_data_got::Output_data_got): Initialize new data member; new
5544         constructor with size parameter.
5545         (Output_data_got::add_constant): Call add_got_entry.
5546         (Output_data_got::reserve_slot): New function.
5547         (Output_data_got::reserve_slot_for_global): New function.
5548         (class Output_data_got::Got_entry): Add RESERVED_CODE.
5549         (Output_data_got::add_got_entry): New function.
5550         (Output_data_got::add_got_entry_pair): New function.
5551         (Output_data_got::free_list_): New data member.
5552         * target.h (Sized_target::init_got_plt_for_update): New function.
5553         (Sized_target::register_global_plt_entry): New function.
5554         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
5555         Initialize new data member; call init; add constructor with PLT count.
5556         (Output_data_plt_x86_64::init): New function.
5557         (Output_data_plt_x86_64::add_relocation): New function.
5558         (Output_data_plt_x86_64::reserve_slot): New function.
5559         (Output_data_plt_x86_64::free_list_): New data member.
5560         (Target_x86_64::init_got_plt_for_update): New function.
5561         (Target_x86_64::register_global_plt_entry): New function.
5562         (Output_data_plt_x86_64::add_entry): Allocate from free list for
5563         incremental updates.
5564         (Output_data_plt_x86_64::add_relocation): New function.
5565         * testsuite/object_unittest.cc (Object_test): Set default options.
5566
5567 2011-05-16  Ian Lance Taylor  <iant@google.com>
5568
5569         * options.h (class General_options): Make -i a synonym for -r.
5570
5571 2011-05-16  Ian Lance Taylor  <iant@google.com>
5572
5573         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
5574
5575 2011-05-10 Cary Coutant  <ccoutant@google.com>
5576
5577         * object.cc (Sized_relobj::do_count_local_symbols): Check for
5578         strip_all (-s).
5579
5580 2011-05-06  Ian Lance Taylor  <iant@google.com>
5581
5582         * layout.cc (Layout::layout): If the output section flags change,
5583         update the ordering.
5584
5585 2011-04-25 Cary Coutant  <ccoutant@google.com>
5586
5587         * incremental-dump.cc (dump_incremental_inputs): Print local
5588         symbol info for each input file.
5589         * incremental.cc
5590         (Output_section_incremental_inputs::set_final_data_size): Add local
5591         symbol info to input file entries in incremental info.
5592         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5593         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
5594         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
5595         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
5596         implementation.
5597         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
5598         (Sized_incr_relobj::do_relocate): Write the local symbols.
5599         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
5600         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
5601         Adjust size of input file header.
5602         (Incremental_inputs_reader::get_local_symbol_offset): New function.
5603         (Incremental_inputs_reader::get_local_symbol_count): New function.
5604         (Incremental_inputs_reader::get_input_section): Adjust size of input
5605         file header.
5606         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
5607         (Sized_incr_relobj::This): New typedef.
5608         (Sized_incr_relobj::sym_size): New const data member.
5609         (Sized_incr_relobj::Local_symbol): New struct.
5610         (Sized_incr_relobj::do_output_local_symbol_count): New function.
5611         (Sized_incr_relobj::do_local_symbol_offset): New function.
5612         (Sized_incr_relobj::local_symbol_count_): New data member.
5613         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
5614         (Sized_incr_relobj::local_symbol_index_): New data member.
5615         (Sized_incr_relobj::local_symbol_offset_): New data member.
5616         (Sized_incr_relobj::local_dynsym_offset_): New data member.
5617         (Sized_incr_relobj::local_symbols_): New data member.
5618         * object.h (Relobj::output_local_symbol_count): New function.
5619         (Relobj::local_symbol_offset): New function.
5620         (Relobj::do_output_local_symbol_count): New function.
5621         (Relobj::do_local_symbol_offset): New function.
5622         (Sized_relobj::do_output_local_symbol_count): New function.
5623         (Sized_relobj::do_local_symbol_offset): New function.
5624
5625 2011-04-22  Vladimir Simonov  <sv@sw.ru>
5626
5627         * descriptors.cc (set_close_on_exec): New function.
5628         (Descriptors::open): Use set_close_on_exec.
5629         * output.cc (S_ISLNK): Define if not defined.
5630
5631 2011-04-22 Cary Coutant  <ccoutant@google.com>
5632
5633         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
5634         global symbol map.
5635         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
5636         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
5637         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
5638         relocations.
5639         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
5640         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
5641         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
5642         * incremental.h
5643         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
5644         function.
5645         (Incremental_binary::apply_incremental_relocs): New function.
5646         (Incremental_binary::do_apply_incremental_relocs): New function.
5647         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
5648         data member.
5649         (Sized_incremental_binary::add_global_symbol): New function.
5650         (Sized_incremental_binary::global_symbol): New function.
5651         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
5652         (Sized_incremental_binary::symbol_map_): New data member.
5653         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
5654         * target.h (Sized_target::apply_relocation): New function.
5655         * target-reloc.h (apply_relocation): New function.
5656         * x86_64.cc (Target_x86_64::apply_relocation): New function.
5657
5658 2011-04-22  Doug Kwan  <dougkwan@google.com>
5659
5660         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
5661         flag of a SHT_ARM_EXIDX section.
5662         * testsuite/Makefile.am (arm_exidx_test): New test rules.
5663         * testsuite/Makefile.in: Regenerate.
5664         * testsuite/arm_exidx_test.s: New file.
5665         * testsuite/arm_exidx_test.sh: Same.
5666
5667 2011-04-20 Cary Coutant  <ccoutant@google.com>
5668
5669         PR gold/12689
5670         * archive.h (Incremental_archive_entry::Archive_member):
5671         Initialize arg_serial_ (second constructor).
5672
5673 2011-04-17  Ian Lance Taylor  <iant@google.com>
5674
5675         * object.cc (Relocate_info::location): Simplify location string.
5676         * errors.cc (Errors::error_at_location): Don't print program
5677         name.
5678         (Errors::warning_at_location): Likewise.
5679         (Errors::undefined_symbol): Likewise.
5680         * testsuite/debug_msg.sh: Update accordingly.
5681
5682 2011-04-14 Cary Coutant  <ccoutant@google.com>
5683
5684         * gold/layout.cc (Layout::symtab_section_offset): New function.
5685         * gold/layout.h (Layout::symtab_section_offset): New function.
5686         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
5687
5688 2011-04-12  Ian Lance Taylor  <iant@google.com>
5689
5690         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
5691         with MREMAP_MAYMOVE.
5692         * output.h (class Output_file): Add map_is_allocated_ field.
5693         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
5694         not available, provide stubs.  If mremap is not available, #define
5695         it to gold_mremap.
5696         (MREMAP_MAYMOVE): Define if not defined.
5697         (Output_file::Output_file): Initialize map_is_allocated_.
5698         (Output_file::resize): Check map_is_allocated_.
5699         (Output_file::map_anonymous): If mmap fails, use malloc.
5700         (Output_file::unmap): Don't do anything for an anonymous map.
5701         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
5702         is not available, provide stubs.
5703         (File_read::View::~View): Use free rather than delete[].
5704         (File_read::make_view): Use malloc rather than new[].  If mmap
5705         fails, use malloc.
5706         (File_read::find_or_make_view): Use malloc rather than new[].
5707         * gold.h: Remove HAVE_REMAP code.
5708         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
5709         exists.  Rename mremap to gold_mremap.  If mmap is not available
5710         don't do anything.
5711         * configure, config.in: Rebuild.
5712
5713 2011-04-11  Ian Lance Taylor  <iant@google.com>
5714
5715         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
5716         initialize local variable v.
5717
5718 2011-04-11  Cary Coutant  <ccoutant@google.com>
5719
5720         * archive.cc (Archive::include_member): Adjust call to
5721         report_object.
5722         (Add_archive_symbols::run): Track argument serial numbers.
5723         (Lib_group::include_member): Likewise.
5724         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
5725         * archive.h (Incremental_archive_entry::Archive_member):
5726         Initialize arg_serial_.
5727         (Archive_member::arg_serial_): New data member.
5728         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
5729         (Sized_dynobj::do_add_symbols): Track symbols when doing an
5730         incremental link.
5731         (Sized_dynobj::do_for_all_local_got_entries): New function.
5732         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
5733         function.
5734         * fileread.cc (get_mtime): New function.
5735         * fileread.h (get_mtime): New function.
5736         * gold.cc (queue_initial_tasks): Check for incremental update.
5737         (process_incremental_input): New function.
5738         (queue_middle_tasks): Don't force valid target for incremental
5739         update.
5740         * incremental-dump.cc (find_input_containing_global): Adjust
5741         size of symbol info entry.
5742         (dump_incremental_inputs): Dump argument serial number and
5743         in_system_directory flag; bias shndx by 1; print symbol names
5744         when dumping per-file symbol lists; use new symbol info readers.
5745         * incremental.cc
5746         (Output_section_incremental_inputs:update_data_size): New function.
5747         (Sized_incremental_binary::setup_readers): Setup input readers
5748         for each input file; build maps for files added from libraries
5749         and scripts.
5750         (Sized_incremental_binary::check_input_args): New function.
5751         (Sized_incremental_binary::do_check_inputs): Build map of argument
5752         serial numbers to input arguments.
5753         (Sized_incremental_binary::do_file_has_changed): Rename
5754         do_file_is_unchanged to this; compare file modification times.
5755         (Sized_incremental_binary::do_init_layout): New function.
5756         (Sized_incremental_binary::do_reserve_layout): New function.
5757         (Sized_incremental_binary::do_get_input_reader): Remove.
5758         (Sized_incremental_binary::get_symtab_view): New function.
5759         (Incremental_checker::can_incrementally_link_output_file): Remove.
5760         (Incremental_inputs::report_command_line): Exclude --debug options.
5761         (Incremental_inputs::report_archive_begin): Add parameter; track
5762         argument serial numbers; don't put input file entry for archive
5763         before archive members.
5764         (Incremental_inputs::report_archive_end): Put input file entry
5765         for archive after archive members.
5766         (Incremental_inputs::report_object): Add parameter; track argument
5767         serial numbers and in_system_directory flag.
5768         (Incremental_inputs::report_script): Add parameter; track argument
5769         serial numbers.
5770         (Output_section_incremental_inputs::set_final_data_size): Adjust
5771         size of symbol info entry; check for forwarding symbols.
5772         (Output_section_incremental_inputs::write_input_files): Write
5773         in_system_directory flag and argument serial number.
5774         (Output_section_incremental_inputs::write_info_blocks): Map section
5775         indices between incremental info and original input file; store
5776         input section index for each symbol.
5777         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
5778         change operator() to visit().
5779         (class Global_got_offset_visitor): Likewise.
5780         (class Global_symbol_visitor_got_plt):
5781         (Output_section_incremental_inputs::write_got_plt): Use new visitor
5782         classes.
5783         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
5784         (Sized_incr_relobj::do_read_symbols): New function.
5785         (Sized_incr_relobj::do_layout): New function.
5786         (Sized_incr_relobj::do_layout_deferred_sections): New function.
5787         (Sized_incr_relobj::do_add_symbols): New function.
5788         (Sized_incr_relobj::do_should_include_member): New function.
5789         (Sized_incr_relobj::do_for_all_global_symbols): New function.
5790         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
5791         (Sized_incr_relobj::do_section_size): New function.
5792         (Sized_incr_relobj::do_section_name): New function.
5793         (Sized_incr_relobj::do_section_contents): New function.
5794         (Sized_incr_relobj::do_section_flags): New function.
5795         (Sized_incr_relobj::do_section_entsize): New function.
5796         (Sized_incr_relobj::do_section_address): New function.
5797         (Sized_incr_relobj::do_section_type): New function.
5798         (Sized_incr_relobj::do_section_link): New function.
5799         (Sized_incr_relobj::do_section_info): New function.
5800         (Sized_incr_relobj::do_section_addralign): New function.
5801         (Sized_incr_relobj::do_initialize_xindex): New function.
5802         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
5803         (Sized_incr_relobj::do_read_relocs): New function.
5804         (Sized_incr_relobj::do_gc_process_relocs): New function.
5805         (Sized_incr_relobj::do_scan_relocs): New function.
5806         (Sized_incr_relobj::do_count_local_symbols): New function.
5807         (Sized_incr_relobj::do_finalize_local_symbols): New function.
5808         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
5809         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
5810         (Sized_incr_relobj::do_relocate): New function.
5811         (Sized_incr_relobj::do_set_section_offset): New function.
5812         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
5813         (Sized_incr_dynobj::do_read_symbols): New function.
5814         (Sized_incr_dynobj::do_layout): New function.
5815         (Sized_incr_dynobj::do_add_symbols): New function.
5816         (Sized_incr_dynobj::do_should_include_member): New function.
5817         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
5818         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
5819         (Sized_incr_dynobj::do_section_size): New function.
5820         (Sized_incr_dynobj::do_section_name): New function.
5821         (Sized_incr_dynobj::do_section_contents): New function.
5822         (Sized_incr_dynobj::do_section_flags): New function.
5823         (Sized_incr_dynobj::do_section_entsize): New function.
5824         (Sized_incr_dynobj::do_section_address): New function.
5825         (Sized_incr_dynobj::do_section_type): New function.
5826         (Sized_incr_dynobj::do_section_link): New function.
5827         (Sized_incr_dynobj::do_section_info): New function.
5828         (Sized_incr_dynobj::do_section_addralign): New function.
5829         (Sized_incr_dynobj::do_initialize_xindex): New function.
5830         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
5831         (make_sized_incremental_object): New function.
5832         (Incremental_library::copy_unused_symbols): New function.
5833         (Incremental_library::do_for_all_unused_symbols): New function.
5834         * incremental.h (enum Incremental_input_flags): New type.
5835         (class Incremental_checker): Remove.
5836         (Incremental_input_entry::Incremental_input_entry): Add argument
5837         serial number.
5838         (Incremental_input_entry::arg_serial): New function.
5839         (Incremental_input_entry::set_is_in_system_directory): New function.
5840         (Incremental_input_entry::is_in_system_directory): New function.
5841         (Incremental_input_entry::arg_serial_): New data member.
5842         (Incremental_input_entry::is_in_system_directory_): New data member.
5843         (class Script_info): Move here from script.h.
5844         (Script_info::Script_info): Add filename parameter.
5845         (Script_info::filename): New function.
5846         (Script_info::filename_): New data member.
5847         (Incremental_script_entry::Incremental_script_entry): Add argument
5848         serial number.
5849         (Incremental_object_entry::Incremental_object_entry): Likewise.
5850         (Incremental_object_entry::add_input_section): Build list of input
5851         sections with map to original shndx.
5852         (Incremental_object_entry::get_input_section_index): New function.
5853         (Incremental_object_entry::shndx_): New data member.
5854         (Incremental_object_entry::name_key_): Rename; adjust all refs.
5855         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
5856         (Incremental_archive_entry::Incremental_archive_entry): Add argument
5857         serial number.
5858         (Incremental_inputs::report_archive_begin): Likewise.
5859         (Incremental_inputs::report_object): Likewise.
5860         (Incremental_inputs::report_script): Likewise.
5861         (class Incremental_global_symbol_reader): New class.
5862         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
5863         and store flags and input file type.
5864         (Incremental_input_entry_reader::arg_serial): New function.
5865         (Incremental_input_entry_reader::type): Extract type from flags.
5866         (Incremental_input_entry_reader::is_in_system_directory): New function.
5867         (Incremental_input_entry_reader::get_input_section_count): Call
5868         accessor function for type.
5869         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
5870         function for type; adjust size of global symbol entry.
5871         (Incremental_input_entry_reader::get_global_symbol_count): Call
5872         accessor function for type.
5873         (Incremental_input_entry_reader::get_object_count): Likewise.
5874         (Incremental_input_entry_reader::get_object_offset): Likewise.
5875         (Incremental_input_entry_reader::get_member_count): Likewise.
5876         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
5877         (Incremental_input_entry_reader::get_member_offset): Likewise.
5878         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
5879         (Incremental_input_entry_reader::Global_symbol_info): Remove.
5880         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
5881         (Incremental_input_entry_reader::get_global_symbol_reader): New
5882         function.
5883         (Incremental_input_entry_reader::get_output_symbol_index): New
5884         function.
5885         (Incremental_input_entry_reader::type_): Remove.
5886         (Incremental_input_entry_reader::flags_): New data member.
5887         (Incremental_inputs_reader::input_file_offset): New function.
5888         (Incremental_inputs_reader::input_file_index): New function.
5889         (Incremental_inputs_reader::input_file): Call input_file_offset.
5890         (Incremental_inputs_reader::input_file_at_offset): New function.
5891         (Incremental_relocs_reader::get_r_type): Reformat.
5892         (Incremental_relocs_reader::get_r_shndx): Reformat.
5893         (Incremental_relocs_reader::get_r_offset): Reformat.
5894         (Incremental_relocs_reader::data): New function.
5895         (Incremental_binary::Incremental_binary): Initialize new data members.
5896         (Incremental_binary::check_inputs): Add cmdline parameter.
5897         (Incremental_binary::file_is_unchanged): Remove.
5898         (Input_reader::arg_serial): New function.
5899         (Input_reader::get_unused_symbol_count): New function.
5900         (Input_reader::get_unused_symbol): New function.
5901         (Input_reader::do_arg_serial): New function.
5902         (Input_reader::do_get_unused_symbol_count): New function.
5903         (Input_reader::do_get_unused_symbol): New function.
5904         (Incremental_binary::input_file_count): New function.
5905         (Incremental_binary::get_input_reader): Change signature to use
5906         index instead of filename.
5907         (Incremental_binary::file_has_changed): New function.
5908         (Incremental_binary::get_input_argument): New function.
5909         (Incremental_binary::get_library): New function.
5910         (Incremental_binary::get_script_info): New function.
5911         (Incremental_binary::init_layout): New function.
5912         (Incremental_binary::reserve_layout): New function.
5913         (Incremental_binary::output_file): New function.
5914         (Incremental_binary::do_check_inputs): New function.
5915         (Incremental_binary::do_file_is_unchanged): Remove.
5916         (Incremental_binary::do_file_has_changed): New function.
5917         (Incremental_binary::do_init_layout): New function.
5918         (Incremental_binary::do_reserve_layout): New function.
5919         (Incremental_binary::do_input_file_count): New function.
5920         (Incremental_binary::do_get_input_reader): Change signature.
5921         (Incremental_binary::input_args_map_): New data member.
5922         (Incremental_binary::library_map_): New data member.
5923         (Incremental_binary::script_map_): New data member.
5924         (Sized_incremental_binary::Sized_incremental_binary): Initialize
5925         new data members.
5926         (Sized_incremental_binary::output_section): New function.
5927         (Sized_incremental_binary::inputs_reader): Add const.
5928         (Sized_incremental_binary::symtab_reader): Add const.
5929         (Sized_incremental_binary::relocs_reader): Add const.
5930         (Sized_incremental_binary::got_plt_reader): Add const.
5931         (Sized_incremental_binary::get_symtab_view): New function.
5932         (Sized_incremental_binary::Inputs_reader): New typedef.
5933         (Sized_incremental_binary::Input_entry_reader): New typedef.
5934         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
5935         (Sized_incremental_binary::do_file_is_unchanged): Remove.
5936         (Sized_incremental_binary::do_file_has_changed): New function.
5937         (Sized_incremental_binary::do_init_layout): New function.
5938         (Sized_incremental_binary::do_reserve_layout): New function.
5939         (Sized_input_reader::Inputs_reader): Remove.
5940         (Sized_input_reader::Input_entry_reader): Remove.
5941         (Sized_input_reader::do_arg_serial): New function.
5942         (Sized_input_reader::do_get_unused_symbol_count): New function.
5943         (Sized_input_reader::do_get_unused_symbol): New function.
5944         (Sized_incremental_binary::do_input_file_count): New function.
5945         (Sized_incremental_binary::do_get_input_reader): Change signature;
5946         use index instead of filename.
5947         (Sized_incremental_binary::section_map_): New data member.
5948         (Sized_incremental_binary::input_entry_readers_): New data member.
5949         (class Sized_incr_relobj): New class.
5950         (class Sized_incr_dynobj): New class.
5951         (make_sized_incremental_object): New function.
5952         (class Incremental_library): New class.
5953         * layout.cc (Free_list::num_lists): New static data member.
5954         (Free_list::num_nodes): New static data member.
5955         (Free_list::num_removes): New static data member.
5956         (Free_list::num_remove_visits): New static data member.
5957         (Free_list::num_allocates): New static data member.
5958         (Free_list::num_allocate_visits): New static data member.
5959         (Free_list::init): New function.
5960         (Free_list::remove): New function.
5961         (Free_list::allocate): New function.
5962         (Free_list::dump): New function.
5963         (Free_list::print_stats): New function.
5964         (Layout_task_runner::run): Resize output file for incremental updates.
5965         (Layout::Layout): Initialize new data members.
5966         (Layout::set_incremental_base): New function.
5967         (Layout::init_fixed_output_section): New function.
5968         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
5969         incremental updates.
5970         (Layout::create_gold_note): Do not create gold note section for
5971         incremental updates.
5972         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
5973         for incremental updates.
5974         (Layout::set_section_offsets): For incremental updates, allocate space
5975         from free list.
5976         (Layout::create_symtab_sections): Layout with offsets relative to
5977         start of section; for incremental updates, allocate space from free
5978         list.
5979         (Layout::create_shdrs): For incremental updates, allocate space from
5980         free list.
5981         (Layout::finish_dynamic_section): For incremental updates, do not
5982         check --as-needed (fixed in subsequent patch).
5983         * layout.h (class Free_list): New class.
5984         (Layout::set_incremental_base): New function.
5985         (Layout::incremental_base): New function.
5986         (Layout::init_fixed_output_section): New function.
5987         (Layout::allocate): New function.
5988         (Layout::incremental_base_): New data member.
5989         (Layout::free_list_): New data member.
5990         * main.cc (main): Print Free_list statistics.
5991         * object.cc (Relobj::finalize_incremental_relocs): Add
5992         clear_counts parameter; clear counts only when clear_counts is set.
5993         (Sized_relobj::Sized_relobj): Initialize new base class.
5994         (Sized_relobj::do_layout): Don't report special sections.
5995         (Sized_relobj::do_for_all_local_got_entries): New function.
5996         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
5997         symtab_off to all symbol table offsets.
5998         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
5999         * object.h (class Got_offset_list): Move to top of file.
6000         (Object::Object): Allow case where input_file == NULL.
6001         (Object::~Object): Likewise.
6002         (Object::input_file): Assert that input_file != NULL.
6003         (Object::lock): Allow case where input_file == NULL.
6004         (Object::unlock): Likewise.
6005         (Object::is_locked): Likewise.
6006         (Object::token): Likewise.
6007         (Object::release): Likewise.
6008         (Object::is_incremental): New function.
6009         (Object::get_mtime): New function.
6010         (Object::for_all_local_got_entries): New function.
6011         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
6012         (Object::set_is_in_system_directory): New function.
6013         (Object::is_in_system_directory): New function.
6014         (Object::do_is_incremental): New function.
6015         (Object::do_get_mtime): New function.
6016         (Object::do_for_all_local_got_entries): New function.
6017         (Object::is_in_system_directory_): New data member.
6018         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
6019         (class Sized_relobj_base): New class.
6020         (class Sized_relobj): Derive from Sized_relobj_base.
6021         (class Sized_relobj::Symbols): Redeclare from base class.
6022         (class Sized_relobj::local_got_offset_list): Remove.
6023         (class Sized_relobj::Output_sections): Redeclare from base class.
6024         (class Sized_relobj::do_for_all_local_got_entries): New function.
6025         (class Sized_relobj::write_local_symbols): Add offset parameter.
6026         (class Sized_relobj::local_symbol_offset_): Update comment.
6027         (class Sized_relobj::local_dynsym_offset_): Update comment.
6028         * options.cc (Input_arguments::add_file): Remove const.
6029         * options.h (Input_file_argument::Input_file_argument):
6030         Initialize arg_serial_ (all constructors).
6031         (Input_file_argument::set_arg_serial): New function.
6032         (Input_file_argument::arg_serial): New function.
6033         (Input_file_argument::arg_serial_): New data member.
6034         (Input_arguments::Input_arguments): Initialize file_count_.
6035         (Input_arguments::add_file): Remove const.
6036         (Input_arguments::number_of_input_files): New function.
6037         (Input_arguments::file_count_): New data member.
6038         (Command_line::number_of_input_files): Call
6039         Input_arguments::number_of_input_files.
6040         * output.cc (Output_segment_headers::Output_segment_headers):
6041         Set current size.
6042         (Output_section::Input_section::current_data_size): New function.
6043         (Output_section::Output_section): Initialize new data members.
6044         (Output_section::add_input_section): Don't do merge sections for
6045         an incremental link; allocate space from free list for an
6046         incremental update.
6047         (Output_section::add_output_section_data): Allocate space from
6048         free list for an incremental update.
6049         (Output_section::update_data_size): New function.
6050         (Output_section::set_fixed_layout): New function.
6051         (Output_section::reserve): New function.
6052         (Output_segment::set_section_addresses): Remove const.
6053         (Output_segment::set_section_list_addresses): Remove const; allocate
6054         space from free list for an incremental update.
6055         (Output_segment::set_offset): Adjust size of RELRO segment for an
6056         incremental update.
6057         * output.h (Output_data::current_data_size): Move here from
6058         child classes.
6059         (Output_data::pre_finalize_data_size): New function.
6060         (Output_data::update_data_size): New function.
6061         (Output_section_headers::update_data_size): new function.
6062         (Output_section_data_build::current_data_size): Move to Output_data.
6063         (Output_data_strtab::update_data_size): New function.
6064         (Output_section::current_data_size): Move to Output_data.
6065         (Output_section::set_fixed_layout): New function.
6066         (Output_section::has_fixed_layout): New function.
6067         (Output_section::reserve): New function.
6068         (Output_section::update_data_size): New function.
6069         (Output_section::has_fixed_layout_): New data member.
6070         (Output_section::free_list_): New data member.
6071         (Output_segment::set_section_addresses): Remove const.
6072         (Output_segment::set_section_list_addresses): Remove const.
6073         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
6074         New function.
6075         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
6076         New function.
6077         * readsyms.cc (Read_symbols::do_read_symbols): Add library
6078         parameter when calling Add_symbols constructor; store argument
6079         serial number for members of a lib group.
6080         (Add_symbols::locks): Allow case where token == NULL.
6081         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
6082         (Read_member::~Read_member): New function.
6083         (Read_member::is_runnable): New function.
6084         (Read_member::locks): New function.
6085         (Read_member::run): New function.
6086         (Check_script::~Check_script): New function.
6087         (Check_script::is_runnable): New function.
6088         (Check_script::locks): New function.
6089         (Check_script::run): New function.
6090         (Check_library::~Check_library): New function.
6091         (Check_library::is_runnable): New function.
6092         (Check_library::locks): New function.
6093         (Check_library::run): New function.
6094         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
6095         (Add_symbols::library_): New data member.
6096         (class Read_member): New class.
6097         (class Check_script): New class.
6098         (class Check_library): New class.
6099         * reloc.cc (Read_relocs::is_runnable): Allow case where
6100         token == NULL.
6101         (Read_relocs::locks): Likewise.
6102         (Scan_relocs::locks): Likewise.
6103         (Relocate_task::locks): Likewise.
6104         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
6105         to clear counters.
6106         (Sized_relobj::incremental_relocs_scan): Fix comment.
6107         (Sized_relobj::do_relocate): Pass output file offset to
6108         write_local_symbols.
6109         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
6110         from class declaration.
6111         * script.cc (read_input_script): Allocate Script_info; pass
6112         argument serial number to report_script.
6113         * script.h (class Script_info): Move to incremental.h.
6114         * symtab.cc (Symbol_table::add_from_incrobj): New function.
6115         * symtab.h (Symbol_table::add_from_incrobj): New function.
6116         (Symbol_table::set_file_offset): New function.
6117
6118 2011-04-05  Cary Coutant  <ccoutant@google.com>
6119
6120         * incremental-dump.cc (dump_incremental_inputs): Change signature
6121         to take a Sized_incremental_binary; change caller.  Use readers
6122         in Sized_incremental_binary.
6123         * incremental.cc
6124         (Sized_incremental_binary::find_incremental_inputs_sections):
6125         Rename do_find_incremental_inputs_sections to this.
6126         (Sized_incremental_binary::setup_readers): New function.
6127         (Sized_incremental_binary::do_check_inputs): Check
6128         has_incremental_info_ flag; move setup code to setup_readers;
6129         use input readers.
6130         (Sized_incremental_binary::do_file_is_unchanged): New function.
6131         (Sized_incremental_binary::do_get_input_reader): New function.
6132         * incremental.h (class Incremental_binary): Move to end of file.
6133         (Incremental_binary::file_is_unchanged): New function.
6134         (Incremental_binary::do_file_is_unchanged): New function.
6135         (Incremental_binary::Input_reader): New class.
6136         (Incremental_binary::get_input_reader): New function.
6137         (class Sized_incremental_binary): Move to end of file.
6138         (Sized_incremental_binary::Sized_incremental_binary): Setup the
6139         input section reader classes.
6140         (Sized_incremental_binary::has_incremental_info): New function.
6141         (Sized_incremental_binary::inputs_reader): New function.
6142         (Sized_incremental_binary::symtab_reader): New function.
6143         (Sized_incremental_binary::relocs_reader): New function.
6144         (Sized_incremental_binary::got_plt_reader): New function.
6145         (Sized_incremental_binary::do_file_is_unchanged): New function.
6146         (Sized_incremental_binary::Sized_input_reader): New class.
6147         (Sized_incremental_binary::get_input_reader): New function.
6148         (Sized_incremental_binary::find_incremental_inputs_sections):
6149         Rename do_find_incremental_inputs_sections to this.
6150         (Sized_incremental_binary::setup_readers): New function.
6151         (Sized_incremental_binary::has_incremental_info_): New data member.
6152         (Sized_incremental_binary::inputs_reader_): New data member.
6153         (Sized_incremental_binary::symtab_reader_): New data member.
6154         (Sized_incremental_binary::relocs_reader_): New data member.
6155         (Sized_incremental_binary::got_plt_reader_): New data member.
6156         (Sized_incremental_binary::current_input_file_): New data member.
6157
6158 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
6159
6160         PR gold/12640
6161         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
6162         violation.
6163
6164 2011-03-30  Cary Coutant  <ccoutant@google.com>
6165
6166         * archive.cc (Archive::include_member): Adjust call to report_object.
6167         (Add_archive_symbols::run): Add script_info to call to
6168         report_archive_begin.
6169         (Lib_group::include_member): Adjust call to report_object.
6170         (Add_lib_group_symbols::run): Adjust call to report_object.
6171         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
6172         blocks.  Add object count for script input files.
6173         * incremental.cc (Incremental_inputs::report_archive_begin): Add
6174         script_info parameter; change all callers.
6175         (Incremental_inputs::report_object): Add script_info parameter;
6176         change all callers.
6177         (Incremental_inputs::report_script): Store backpointer to
6178         incremental info entry.
6179         (Output_section_incremental_inputs::set_final_data_size): Record
6180         additional information for scripts.
6181         (Output_section_incremental_inputs::write_info_blocks): Likewise.
6182         * incremental.h (Incremental_script_entry::add_object): New function.
6183         (Incremental_script_entry::get_object_count): New function.
6184         (Incremental_script_entry::get_object): New function.
6185         (Incremental_script_entry::objects_): New data member; adjust
6186         constructor.
6187         (Incremental_inputs::report_archive_begin): Add script_info parameter.
6188         (Incremental_inputs::report_object): Add script_info parameter.
6189         (Incremental_inputs_reader::get_object_count): New function.
6190         (Incremental_inputs_reader::get_object_offset): New function.
6191         * options.cc (Input_arguments::add_file): Return reference to
6192         new input argument.
6193         * options.h (Input_argument::set_script_info): New function.
6194         (Input_argument::script_info): New function.
6195         (Input_argument::script_info_): New data member; adjust all
6196         constructors.
6197         (Input_file_group::add_file): Return reference to new input argument.
6198         (Input_file_lib::add_file): Likewise.
6199         (Input_arguments::add_file): Likewise.
6200         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
6201         * script.cc (Parser_closure::Parser_closure): Add script_info
6202         parameter; adjust all callers.
6203         (Parser_closure::script_info): New function.
6204         (Parser_closure::script_info_): New data member.
6205         (read_input_script): Report scripts earlier to incremental info.
6206         (script_add_file): Set script_info in Input_argument.
6207         (script_add_library): Likewise.
6208         * script.h (Script_options::Script_info): Rewrite class.
6209
6210 2011-03-29  Cary Coutant  <ccoutant@google.com>
6211
6212         * archive.cc (Library_base::should_include_member): Move
6213         method here from class Archive.
6214         (Archive::Archive): Initialize base class.
6215         (Archive::should_include_member): Move to base class.
6216         (Archive::do_for_all_unused_symbols): New function.
6217         (Add_archive_symbols::run): Remove redundant access to
6218         incremental_inputs.
6219         (Lib_group::Lib_group): Initialize base class.
6220         (Lib_group::do_filename): New function.
6221         (Lib_group::include_member): Pass pointer to Lib_group to
6222         report_object.
6223         (Lib_group::do_for_all_unused_symbols): New function.
6224         (Add_lib_group_symbols::run): Report archive information for
6225         incremental links.
6226         * archive.h (class Library_base): New base class.
6227         (class Archive): Derive from Library_base.
6228         (Archive::filename): Move to base class.
6229         (Archive::set_incremental_info): Likewise.
6230         (Archive::incremental_info): Likewise.
6231         (Archive::Should_include): Likewise.
6232         (Archive::should_include_member): Likewise.
6233         (Archive::Armap_entry): Remove.
6234         (Archive::Unused_symbol_iterator): Remove.
6235         (Archive::unused_symbols_begin): Remove.
6236         (Archive::unused_symbols_end): Remove.
6237         (Archive::do_filename): New function.
6238         (Archive::do_get_mtime): New function.
6239         (Archive::do_for_all_unused_symbols): New function.
6240         (Archive::task_): Move to base class.
6241         (Archive::incremental_info_): Likewise.
6242         (class Lib_group): Derive from Library_base.
6243         (Lib_group::do_filename): New function.
6244         (Lib_group::do_get_mtime): New function.
6245         (Lib_group::do_for_all_unused_symbols): New function.
6246         (Lib_group::task_): Move to base class.
6247         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
6248         function.
6249         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
6250         function.
6251         * incremental.cc (Incremental_inputs::report_archive_begin):
6252         Use Library_base; call library's get_mtime; add incremental inputs
6253         entry before members.
6254         (class Unused_symbol_visitor): New class.
6255         (Incremental_inputs::report_archive_end): Use Library_base; use
6256         visitor class to record unused symbols; don't add incremental inputs
6257         entry after members.
6258         (Incremental_inputs::report_object): Use Library_base.
6259         * incremental.h
6260         (Incremental_archive_entry::Incremental_archive_entry): Remove
6261         unused Archive parameter.
6262         (Incremental_inputs::report_archive_begin): Use Library_base.
6263         (Incremental_inputs::report_archive_end): Likewise.
6264         (Incremental_inputs::report_object): Likewise.
6265         * object.cc (Sized_relobj::do_for_all_global_symbols): New
6266         function.
6267         * object.h (Object::for_all_global_symbols): New function.
6268         (Object::do_for_all_global_symbols): New function.
6269         (Sized_relobj::do_for_all_global_symbols): New function.
6270         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
6271         function.
6272         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
6273         function.
6274
6275 2011-03-27  Ian Lance Taylor  <iant@google.com>
6276
6277         * archive.cc (Archive::interpret_header): Return -1 if something
6278         goes wrong.  Change callers accordingly.
6279
6280 2011-03-25  Cary Coutant  <ccoutant@google.com>
6281
6282         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
6283         * testsuite/Makefile.in: Regenerate.
6284
6285 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
6286
6287         * plugin.cc (get_view): New.
6288         (Plugin::load): Pass get_view to the plugin.
6289         (Plugin_manager::get_view): New.
6290
6291 2011-03-21  Ian Lance Taylor  <iant@google.com>
6292
6293         * testsuite/final_layout.sh: Rewrite to not use dc.
6294         * testsuite/relro_test.sh: Fail if dc is not present.
6295
6296 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
6297
6298         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
6299         Change == to -eq.
6300         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
6301         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
6302         Change == to -eq.
6303         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
6304         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
6305
6306 2011-03-14  Ian Lance Taylor  <iant@google.com>
6307
6308         * script-sections.cc (Sort_output_sections::script_compare):
6309         Rename from is_before, change return type.
6310         (Sort_output_sections::operator()): Adjust accordingly.
6311
6312 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
6313
6314         PR gold/12572
6315         * testsuite/odr_violation2.cc: Add comment to make all error line
6316         numbers double digits.
6317         * testsuite/debug_msg.sh: Adjust expected errors.
6318
6319 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
6320
6321         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
6322         but mark earlier ones as non-canonical
6323         (offset_to_iterator): Update search target and example
6324         (do_addr2line): Return extra lines in a vector*
6325         (format_file_lineno): Extract from do_addr2line
6326         (one_addr2line): Add vector* out-param
6327         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
6328         when a lineno entry appeared last for its instruction
6329         (Dwarf_line_info): Add vector* out-param
6330         * object.cc (Relocate_info): Pass NULL for the vector* out-param
6331         * symtab.cc (Odr_violation_compare): Include the lineno in the
6332         comparison again.
6333         (linenos_from_loc): New. Combine the canonical line for an
6334         address with its other lines.
6335         (True_if_intersect): New. Helper functor to make
6336         std::set_intersection a query.
6337         (detect_odr_violations): Compare sets of lines instead of just
6338         one line for each function. This became less deterministic, but
6339         has fewer false positives.
6340         * symtab.h: Declarations.
6341         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
6342         mix an optimized and non-optimized object in the same binary
6343         (odr_violation2.so): Same.
6344         * testsuite/Makefile.in: Regenerate from Makefile.am.
6345         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
6346         * testsuite/debug_msg.sh: Update line numbers and add
6347         assertions.
6348         * testsuite/odr_violation1.cc: Use OdrDerived, in a
6349         non-optimized context.
6350         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
6351         isn't inlined, and use OdrDerived in an optimized context.
6352         * testsuite/odr_header1.h: Defines OdrDerived, where
6353         optimization will change the
6354         first-instruction-in-the-destructor's file and line number.
6355         * testsuite/odr_header2.h: Defines OdrBase.
6356
6357 2011-03-09  Ian Lance Taylor  <iant@google.com>
6358
6359         * fileread.cc (File_read::clear_views): Don't delete the whole
6360         file view.
6361
6362 2011-03-08  Ian Lance Taylor  <iant@google.com>
6363
6364         PR gold/12525
6365         * fileread.cc: #include <climits>.
6366         (GOLD_IOV_MAX): Define.
6367         (File_read::read_multiple): Limit number of entries by iov_max.
6368         * fileread.h (class File_read): Always set max_readv_entries to
6369         128.
6370
6371 2011-03-07  Ian Lance Taylor  <iant@google.com>
6372
6373         PR gold/12525
6374         * options.h (class General_options): Add -dy and -dn.
6375
6376 2011-03-02  Cary Coutant  <ccoutant@google.com>
6377
6378         * testsuite/script_test_9.t: Add TLS segment.
6379
6380 2011-03-02  Simon Baldwin  <simonb@google.com>
6381
6382         * configure.ac: Add check for gnu_indirect_function support in
6383         the toolchain building binutils.
6384         * configure: Rebuild.
6385
6386 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
6387
6388         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
6389         plugin only symbols.
6390         (Symbol_table::sized_finalize_symbol) Mark symbol only present
6391         in plugin files as not needed in the symbol table.
6392
6393 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
6394
6395         * output.cc (Output_section::add_input_section): Delay fill
6396         generation for section ordering.
6397
6398 2011-02-09  Ian Lance Taylor  <iant@google.com>
6399
6400         PR gold/12316
6401         * object.h (class Sized_relobj): Remove clear_local_symbols.
6402         * reloc.cc (Sized_relobj::do_relocate): Don't call
6403         clear_local_symbols.
6404
6405 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
6406
6407         * plugin.cc (is_visible_from_outside): Return true for symbols
6408         in the -u option.
6409
6410 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
6411
6412         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
6413         filename.
6414
6415 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
6416
6417         * icf.h (is_section_foldable_candidate): Change type of parameter
6418         to std::string.
6419         * icf.cc (Icf::find_identical_sections): Change type of local variable
6420         section_name to be std::string.
6421         (is_function_ctor_or_dtor): Change type of parameter to std::string.
6422
6423 2011-01-25  Ian Lance Taylor  <iant@google.com>
6424
6425         * script.cc (script_add_extern): Rewrite to use
6426         add_symbol_reference.
6427
6428 2011-01-25  Doug Kwan  <dougkwan@google.com>
6429
6430         * icf.cc (get_section_contents): Always lock section's object.
6431
6432 2011-01-24  Ian Lance Taylor  <iant@google.com>
6433
6434         * options.h (class General_options): Accept
6435         --no-detect-odr-violations.
6436
6437 2011-01-24  Ian Lance Taylor  <iant@google.com>
6438
6439         * version.cc (version_string): Bump to 1.11.
6440
6441 2011-01-24  Ian Lance Taylor  <iant@google.com>
6442
6443         * plugin.cc (class Plugin_rescan): Define new class.
6444         (Plugin_manager::claim_file): Set any_claimed_.
6445         (Plugin_manager::save_archive): New function.
6446         (Plugin_manager::save_input_group): New function.
6447         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
6448         necessary.
6449         (Plugin_manager::new_undefined_symbol): New function.
6450         (Plugin_manager::rescan): New function.
6451         (Plugin_manager::rescannable_defines): New function.
6452         (Plugin_manager::add_input_file): Set any_added_.
6453         * plugin.h (class Plugin_manager): define new fields rescannable_,
6454         undefined_symbols_, any_claimed_, and any_added_.  Declare
6455         Plugin_rescan as friend.  Declare new functions.
6456         (Plugin_manager::Rescannable): Define type.
6457         (Plugin_manager::Rescannable_list): Define type.
6458         (Plugin_manager::Undefined_symbol_list): Define type.
6459         (Plugin_manager::Plugin_manager): Initialize new fields.
6460         * archive.cc (Archive::defines_symbol): New function.
6461         (Add_archive_symbols::run): Pass archive to plugins if any.
6462         * archive.h (class Archive): Declare defines_symbol.
6463         * readsyms.cc (Input_group::~Input_group): New function.
6464         (Finish_group::run): Pass input_group to plugins if any.
6465         * readsyms.h (class Input_group): Declare destructor.
6466         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
6467         any.
6468
6469 2011-01-10  Ian Lance Taylor  <iant@google.com>
6470
6471         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
6472         section as relro.
6473         (Layout::set_segment_offsets): Reset increase_relro before calling
6474         set_section_addresses a second time.
6475
6476 2011-01-04  Cary Coutant  <ccoutant@google.com>
6477
6478         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
6479         sections before NOBITS sections.
6480
6481 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
6482
6483         * version.cc (print_version): Update copyright to 2011.
6484
6485 2010-12-23  Cary Coutant  <ccoutant@google.com>
6486
6487         * output.h (Output_data_reloc::add_output_section): Pass OD instead
6488         of OS to this->add.  Add OD parameter to second form of the function.
6489
6490 2010-12-20  Ian Lance Taylor  <iant@google.com>
6491
6492         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
6493         second of two consecutive entries with same offset.
6494
6495 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6496
6497         * testsuite/Makefile.am (ifuncmain2static_LDADD)
6498         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
6499         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
6500         to avoid unneeded links against $(LDADD).
6501         * testsuite/Makefile.in: Regenerate.
6502
6503 2010-12-15  Ian Lance Taylor  <iant@google.com>
6504
6505         PR gold/12324
6506         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
6507         for R_X86_64_32 and R_X86_64_PC32.
6508         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
6509         ver_matching_def_pic.o.
6510         (ver_matching_def_pic.o): New target.
6511
6512 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6513
6514         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
6515         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
6516         Move definition before File_read::View member definitions.
6517         (File_read::View::~View): Initialize and hold lock before
6518         updating current_mapped_bytes.
6519
6520 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6521
6522         * dwarf_reader.cc: Remove outdated comment.
6523         * gold-threads.cc: Fix typo in error message.
6524         * archive.cc: Fix typos in comments.
6525         * archive.h: Likewise.
6526         * arm-reloc-property.cc: Likewise.
6527         * arm-reloc-property.h: Likewise.
6528         * arm-reloc.def: Likewise.
6529         * arm.cc: Likewise.
6530         * attributes.h: Likewise.
6531         * cref.cc: Likewise.
6532         * ehframe.cc: Likewise.
6533         * fileread.h: Likewise.
6534         * gold.h: Likewise.
6535         * i386.cc: Likewise.
6536         * icf.cc: Likewise.
6537         * incremental.h: Likewise.
6538         * int_encoding.cc: Likewise.
6539         * layout.h: Likewise.
6540         * main.cc: Likewise.
6541         * merge.h: Likewise.
6542         * object.cc: Likewise.
6543         * object.h: Likewise.
6544         * options.cc: Likewise.
6545         * readsyms.cc: Likewise.
6546         * reduced_debug_output.cc: Likewise.
6547         * reloc.cc: Likewise.
6548         * script-sections.cc: Likewise.
6549         * sparc.cc: Likewise.
6550         * symtab.h: Likewise.
6551         * target-reloc.h: Likewise.
6552         * target.cc: Likewise.
6553         * target.h: Likewise.
6554         * timer.cc: Likewise.
6555         * timer.h: Likewise.
6556         * x86_64.cc: Likewise.
6557
6558 2010-12-09  Cary Coutant  <ccoutant@google.com>
6559
6560         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
6561         stack.
6562         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
6563         parameter; change all callers.
6564         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
6565         * options.h (warn_execstack): New option.
6566
6567 2010-12-07  Doug Kwan  <dougkwan@google.com>
6568
6569         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
6570         like function call relocations.
6571
6572 2010-12-07  Ian Lance Taylor  <iant@google.com>
6573
6574         * archive.cc (Archive::get_elf_object_for_member): Permit
6575         punconfigured to be NULL.
6576         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
6577         (Archive::include_member): Pass NULL to get_elf_object_for_member
6578         if we searched for the archive and this is the first included
6579         object.
6580
6581 2010-12-01  Ian Lance Taylor  <iant@google.com>
6582
6583         * dwarf_reader.h (class Sized_dwarf_line_info): Add
6584         track_relocs_type_ field.
6585         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6586         Set track_relocs_type_.
6587         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
6588         contents when using RELA relocs.
6589         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
6590         reloc_map_.
6591         * reloc.cc (Track_relocs::next_addend): New function.
6592         * reloc.h (class Track_relocs): Declare next_addend.
6593
6594 2010-12-01  Ian Lance Taylor  <iant@google.com>
6595
6596         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
6597         virtual destructor.
6598
6599 2010-12-01  Ian Lance Taylor  <iant@google.com>
6600
6601         * README: Update compilers known to work and fail.
6602
6603 2010-11-23  Matthias Klose  <doko@ubuntu.com>
6604
6605         * configure.in: For --enable-gold, handle value `default' instead of
6606         `both*'.  Always install ld as ld.bfd, install as ld if gold is
6607         not the default.
6608         * configure: Regenerate.
6609
6610 2010-11-18  Doug Kwan  <dougkwan@google.com>
6611
6612         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
6613         and right_alignment to be zero.  Store result alignment only if it is
6614         greater than existing alignment.
6615
6616 2010-11-16  Cary Coutant  <ccoutant@google.com>
6617
6618         PR gold/12220
6619         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6620         Check for ".zdebug_line".
6621
6622 2010-11-16  Doug Kwan  <dougkwan@google.com>
6623             Cary Coutant  <ccoutant@google.com>
6624
6625         * output.h (Output_segment::set_section_addresses): Pass increase_relro
6626         by reference; adjust all callers.
6627         * output.cc (Output_segment::set_section_addresses): Adjust references
6628         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
6629         list is empty.
6630         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
6631         end at page boundary.
6632
6633 2010-11-16  Cary Coutant  <ccoutant@google.com>
6634
6635         PR gold/12220
6636         * layout.cc (Layout::choose_output_section): Transform names of
6637         compressed sections even when using a script with a SECTIONS clause.
6638         (Layout::output_section_name): Remove code to transform
6639         compressed debug section names.
6640         * output.cc (Output_section::add_input_section): Use uncompressed
6641         section size when tracking input sections.
6642
6643 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
6644
6645         * symtab.h (Symbol::NON_PIC_REF): Remove.
6646         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
6647         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
6648         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
6649         (Symbol::use_plt_offset): Take a flags argument and pass it
6650         directly to needs_dynamic_reloc.  Restrict check for undefined
6651         weak symbols to function calls.
6652         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
6653         (Target_arm::Scan::global): Use it.
6654         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
6655         (Target_arm::Relocate::relocate): Likewise.
6656         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
6657         parameter with an r_type parameter.  Use get_reference_flags
6658         to get the flags.
6659         (Target_arm::Relocate::relocate): Update accordingly.
6660         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
6661         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
6662         (Target_i386::Scan::global): Likewise.
6663         (Target_i386::Relocate::relocate): Likewise.
6664         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
6665         parameter with an r_type parameter.  Use get_reference_flags
6666         to get the flags.
6667         (Target_i386::Relocate::relocate): Update accordingly.
6668         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
6669         (Target_powerpc::Scan::global): Use it.
6670         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
6671         (Target_powerpc::Relocate::relocate): Likewise.
6672         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
6673         (Target_sparc::Scan::global): Use it.
6674         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
6675         (Target_sparc::Relocate::relocate): Likewise.
6676         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
6677         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
6678         (Target_x86_64::Scan::global): Likewise.
6679         (Target_x86_64::Relocate::relocate): Likewise.
6680
6681 2010-11-08  Doug Kwan  <dougkwan@google.com>
6682             Cary Coutant  <ccoutant@google.com>
6683
6684         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
6685         (Arm_exidx_merge_section::section_contents_): New data member.
6686         (Arm_input_section::Arm_input_section): Initialize original_contents_.
6687         (Arm_input_section::~Arm_input_section): De-allocate memory.
6688         (Arm_input_section::original_contents_): New data member.
6689         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
6690         in parameters instead of calling Object::section_contents without
6691         locking.
6692         (Arm_output_section::group_section): New parameter TASK.  Pass it
6693         to callees that need locking objects.
6694         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
6695         to lock EXIDX input sections.  Fix a formatting issue.  Call
6696         Arm_exidx_merged_section::build_contents to create merged section
6697         contents.
6698         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
6699         to lock object of stub table owner.
6700         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
6701         TEXT_SIZE to initialize data member TEXT_SIZE_.
6702         (Arm_exidx_input_section::addralign): Fix typo in comment.
6703         (Arm_exidx_input_section::text_size): New method.
6704         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
6705         that require locking objects.  Lock objects before scanning for stubs
6706         and updating local symbols.
6707         (Arm_input_section<big_endian>::init): Copy contents of original
6708         input section.
6709         (Arm_input_section<big_endian>::do_write): Use saved contents of
6710         original input section instead of calling Object::section_contents
6711         without locking.
6712         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
6713         size without calling Object::section_size().
6714         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
6715         for size.  Allocate a buffer for merged EXIDX entries.
6716         (Arm_exidx_merged_section::build_contents): New method.
6717         (Arm_exidx_merged_section::do_write): Move merge section contents
6718         building code to Arm_exidx_merged_section::build_contetns.  Write
6719         out contetns in buffer instead of building it on the fly.
6720         (Arm_relobj::make_exidx_input_section): Also pass text section size
6721         to Arm_exidx_input_section constructor.
6722         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
6723         (Arm_dynobj::do_read_symbols): Fix memory leak.
6724         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
6725         * target.h: (class Task): Add forward declaration.
6726         (Target::relax): Add new parameter TASK and pass it to
6727         Target::do_relax().
6728         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
6729
6730 2010-11-05  Cary Coutant  <ccoutant@google.com>
6731
6732         PR gold/10708
6733         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
6734         object when reading from the file.
6735         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
6736         second layout pass.
6737         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
6738         when reading section contents.
6739         (get_section_contents): Likewise.
6740         (icf::find_identical_sections): Likewise.
6741         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
6742         object when reading from the file.
6743         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
6744         the object when doing deferred section layout.
6745
6746 2010-11-03  Nick Clifton  <nickc@redhat.com>
6747
6748         PR gold/12001
6749         * script.h (class Symbol_assignment: name): New member.  Returns
6750         the name of the symbol.
6751         * scrfipt.cc (Script_options::is_pending_assignment): New member.
6752         Returns true if the given symbol name is on the list of
6753         assignments wating to be processed.
6754         * archive.cc (should_incldue_member): If the symbol is undefined,
6755         check to see if it is on the list of symbols pending assignment.
6756
6757 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
6758
6759         * script-sections.cc (Script_sections::find_memory_region): Check
6760         for a NULL output section pointer.
6761
6762 2010-10-29  Doug Kwan  <dougkwan@google.com>
6763
6764         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
6765         Output_section::add_relaxed_input_section.
6766         * output.cc (Output_section::add_relaxed_input_section): Add new
6767         arguments LAYOUT and NAME.  Set section order index.
6768         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6769         Copy section order index.
6770         * output.h (Output_section::add_relaxed_input_section): Add new
6771         arguments LAYOUT and NAME.
6772
6773 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6774
6775         * testsuite/Makefile.am: Move gcctestdir/ld rule to
6776         NATIVE_OR_CROSS_LINKER.
6777         * testsuite/Makefile.in: Regenerate.
6778
6779 2010-10-20  Doug Kwan  <dougkwan@google.com>
6780
6781         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
6782         without SHF_LINK_ORDER flags.
6783         * layout.cc (Layout::choose_output_section): Do not filter
6784         SHF_LINK_ORDER flag in a relocatable link.
6785
6786 2010-10-17  Cary Coutant  <ccoutant@google.com>
6787
6788         * output.h (Output_segment::set_section_addresses): Change function
6789         signature.  Update all callers.
6790         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
6791         sections.
6792         (Output_segment::set_section_addresses): Align after last TLS
6793         section.  Add padding before last relro section instead of after.
6794
6795 2010-10-17  Doug Kwan  <dougkwan@google.com>
6796
6797         * gold/arm.cc (Target_arm::got_section): Use correct order and set
6798         GOT output section to be writable.
6799
6800 2010-10-14  Cary Coutant  <ccoutant@google.com>
6801
6802         * debug.h (DEBUG_INCREMENTAL): New flag.
6803         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
6804         * gold.cc (queue_initial_tasks): Check parameters for incremental link
6805         mode.
6806         * incremental.cc (report_command_line): Ignore all forms of
6807         --incremental.
6808         * layout.cc (Layout::Layout): Check parameters for incremental link
6809         mode.
6810         * options.cc (General_options::parse_incremental): New function.
6811         (General_options::parse_no_incremental): New function.
6812         (General_options::parse_incremental_full): New function.
6813         (General_options::parse_incremental_update): New function.
6814         (General_options::incremental_mode_): New data member.
6815         (General_options::finalize): Check incremental_mode_.
6816         * options.h (General_options): Update help text for --incremental.
6817         Add --no-incremental, --incremental-full, --incremental-update.
6818         (General_options::Incremental_mode): New enum type.
6819         (General_options::incremental_mode): New function.
6820         (General_options::incremental_mode_): New data member.
6821         * parameters.cc (Parameters::incremental_mode_): New data member.
6822         (Parameters::set_options): Set incremental_mode_.
6823         (Parameters::set_incremental_full): New function.
6824         (Parameters::incremental): New function.
6825         (Parameters::incremental_update): New function.
6826         (set_parameters_incremental_full): New function.
6827         * parameters.h (Parameters::set_incremental_full): New function.
6828         (Parameters::incremental): New function.
6829         (Parameters::incremental_update): New function.
6830         (Parameters::incremental_mode_): New data member.
6831         (set_parameters_incremental_full): New function.
6832         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
6833         incremental link mode.
6834         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
6835         (Sized_relobj::do_relocate_sections): Likewise.
6836         * testsuite/Makefile.am (incremental_test): Use --incremental-full
6837         option.
6838         * testsuite/Makefile.in: Regenerate.
6839         * testsuite/incremental_test.sh: Filter all forms of --incremental.
6840
6841 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6842
6843         * script-sections.h (class Script_sections): Make
6844         Sections_elements typedef public.
6845         * script-sections.cc (class Sort_output_sections): Add elements_
6846         field.  Add constructor which sets it; change all callers.
6847         (Sort_output_sections::is_before): New function.
6848         (Sort_output_sections::operator()): Call is_before.
6849         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
6850         conditional.
6851         * testsuite/script_test_10.sh: New test. Test script section
6852         order.
6853         * testsuite/script_test_10.t: Likewise.
6854         * testsuite/script_test_10.s: Likewise.
6855         * testsuite/Makefile.am: Wrap the cross linker tests and the
6856         common tests into NATIVE_OR_CROSS_LINKER.
6857         (check_SCRIPTS): Add script_test_10.sh.
6858         (check_DATA): Add script_test_10.stdout.
6859         (script_test_10.o, script_test_10): New targets.
6860         (script_test_10.stdout): New target.
6861         * configure, testsuite/Makefile.in: Regenerate.
6862
6863 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6864
6865         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
6866         error for the deprecated relocations.
6867         (Target_arm::Scan::global): Likewise.
6868         (Target_arm::Relocate::relocate): Likewise.
6869
6870 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
6871
6872         * fileread.cc (Input_file::find_file): Initialize *found_name
6873         and *namep when using the fallback search for case 4.
6874
6875 2010-10-11  Cary Coutant  <ccoutant@google.com>
6876
6877         * options.h (class General_options): Redefine -z lazy as an alias for
6878         the negation of -z now.
6879
6880 2010-10-11  Ian Lance Taylor  <iant@google.com>
6881
6882         * resolve.cc (symbol_to_bits): Report the value of the unsupported
6883         binding.
6884
6885 2010-10-06  Nick Clifton  <nickc@redhat.com>
6886
6887         * script-sections.cc(class Memory_region): Remove
6888         current_lma_offset_ field.  Rename current_vma_offset_ to
6889         current_offset_.  Add last_section_ field.
6890         (Memory_region::get_current_vma_address): Rename to
6891         get_current_address.
6892         (Memory_region::get_current_lma_address): Delete.
6893         (Memory_region::increment_vma_offset): Rename to
6894         increment_offset.
6895         (Memory_region::increment_lma_offset): Delete.
6896         (Memory_region::attributes_compatible): New method.  Returns
6897         true if the provided section is compatible with the region.
6898         (Memory_region::get_last_section): New method.  Returns the last
6899         section to use the region.
6900         (Memory_region::set_last_section): New method.  Stores the last
6901         section to use the region.
6902         (Script_sections::block_in_region): New method.  Returns true if
6903         a block of memory is contained within a region.
6904         (Script_sections::find_memory_region): New method.  Locates a
6905         memory region to be used to set a VMA or LMA address.
6906         (Output_section_definition::set_section_addresses): Add code to
6907         check for addresses set by memory regions.
6908         (Output_segment::set_section_addresses): Remove memory region
6909         walking code.
6910         (Script_sections::create_segment): Add a warning if a header
6911         segment is created outside of any region.
6912         * script-sections.h (class Script_sections): Add prototypes for
6913         find_memory_region and block_in_region methods.
6914         * testsuite/memory_test.s: Use .long instead of .word.
6915         * testsuite/memory_test.t: Add some more output sections.
6916         * testsuite/memory_test.sh: Update expected output.
6917
6918 2010-10-02  Doug Kwan  <dougkwan@google.com>
6919
6920         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
6921         defintion to symtab.h
6922         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
6923         declaration to defintion.
6924
6925 2010-10-01  Nick Clifton  <nickc@redhat.com>
6926
6927         * expression.cc (eval): Replace dummy argument with NULL.
6928         (eval_maybe_dot): Check for a NULL result section pointer.
6929         (Symbol_expression::value): Likewise.
6930         (Dot_expression::value): Likewise.
6931         (BINARY_EXPRESSION): Likewise.
6932         (Max_expression::value): Likewise.
6933         (Min_expression::value): Likewise.
6934         (Absolute_expression::value): Likewise.
6935         (Addr_expression::value_from_output_section): Likewise.
6936         (Loaddddr_expression::value_from_output_section): Likewise.
6937         (Segment_start_expression::value): Likewise.
6938         * script-sections.cc
6939         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
6940         argument with NULL.
6941         (Sections_elememt_dot_assignment::set_section_addresses):
6942         Likewise.
6943         (Output_data_expression::do_write_to_buffer): Likewise.
6944         (Output_section_definition::finalize_symbols): Likewise.
6945         (Output_section_definition::set_section_addresses): Likewise.
6946
6947 2010-09-30  Doug Kwan  <dougkwan@google.com>
6948
6949         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
6950
6951 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
6952
6953         * target.h (Target::can_icf_inline_merge_sections): New virtual
6954         function.
6955         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
6956         virtual function.
6957         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
6958         virtual function.
6959         * icf.cc (get_section_contents): Inline merge sections only when
6960         target allows it.
6961
6962 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6963
6964         * configure: Regenerate.
6965
6966 2010-09-17  Ian Lance Taylor  <iant@google.com>
6967
6968         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
6969         * testsuite/Makefile.am (memory_test.o): New target.
6970         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
6971         memory_test.t.
6972         * testsuite/Makefile.in: Rebuild.
6973
6974 2010-09-17  Doug Kwan  <dougkwan@google.com>
6975
6976         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
6977         defintion if relocation uses GOT entries of the symbol.
6978         * testsuite/icf_safe_test.sh: Fix test.
6979         * testsuite/icf_safe_so_test.sh: Fix test.
6980
6981 2010-09-16  Cary Coutant  <ccoutant@google.com>
6982
6983         * script_sections.cc (class Memory_region): Remove "NULL" from
6984         vector initializations.
6985
6986 2010-09-15  Cary Coutant  <ccoutant@google.com>
6987
6988         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
6989         Resolve forwarding symbols.
6990
6991 2010-09-15  Doug Kwan  <dougkwan@google.com>
6992
6993         * gold/testsuite/script_test_3.t: Add ARM special sections.
6994         * gold/testsuite/script_test_4.t: Same.
6995         * gold/testsuite/script_test_5.t: Same.
6996         * gold/testsuite/script_test_6.t: Same.
6997         * gold/testsuite/script_test_7.t: Same.
6998         * gold/testsuite/script_test_7.t: Same.
6999         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
7000
7001 2010-09-14  Cary Coutant  <ccoutant@google.com>
7002
7003         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
7004         (Target_x86_64::Relocate::relocate_tls): Replace check for
7005         saw_tls_block_reloc_ with test for executable section.
7006
7007 2010-09-12  Cary Coutant  <ccoutant@google.com>
7008
7009         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
7010         position-independent executables to shared libraries need dynamic
7011         relocations.
7012         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
7013         position-independent executables.
7014         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
7015         * testsuite/Makefile.in: Regenerate.
7016
7017 2010-09-10  Nick Clifton  <nickc@redhat.com>
7018
7019         PR gold/11997
7020         * testsuite/memory_test.t: Discard any sections that are not
7021         needed.
7022
7023 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
7024
7025         PR gold/11996
7026         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
7027         "This::" to work around a bug in gcc 4.2.
7028
7029         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
7030
7031 2010-09-09  Rafael Espindola  <espindola@google.com>
7032
7033         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
7034         sections with different PF_X flags in the same segment.
7035         (Layout::find_first_load_seg): Search all segments to find the first
7036         one.
7037         * options.h (rosegment): New.
7038
7039 2010-09-08  Rafael Espindola  <espindola@google.com>
7040
7041         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
7042
7043 2010-09-08  Doug Kwan  <dougkwan@google.com>
7044
7045         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
7046         (Arm_relobj::do_relocate_sections): Add new parameter for output
7047         file to match the parent.
7048         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
7049         of local symbols instead of input values.  Update code to track
7050         changes in gold::relocate_section.
7051         * object.cc (Sized_relobj::compute_final_local_value): New methods.
7052         (Sized_relobj::compute_final_local_value_internal): New methods.
7053         (Sized_relobj::do_finalize_local_symbols): Move code from loop
7054         body into private version of Sized_relobj::compute_final_local_value.
7055         Call the inline method.
7056         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
7057         merged symbol value if there is one.
7058         (Symbol_value::has_output_value): New method defintiion.
7059         (Sized_relobj::Compute_final_local_value_status): New enum type.
7060         (Sized_relobj::compute_final_local_value): New methods.
7061         (Sized_relobj::compute_final_local_value_internal): New methods.
7062         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
7063         and arm_cortex_a8.sh.
7064         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
7065         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
7066         New tests.
7067         * Makefile.in: Regenerate.
7068         * testsuite/arm_bl_out_of_range.s: Update test.
7069         * testsuite/thumb_bl_out_of_range.s: Ditto.
7070         * testsuite/thumb_blx_out_of_range.s: Ditto.
7071         * testsuite/arm_branch_out_of_range.sh: New file.
7072         * testsuite/arm_cortex_a8.sh: Ditto.
7073         * testsuite/arm_cortex_a8_b.s: Ditto.
7074         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
7075         * testsuite/arm_cortex_a8_b_local.s: Ditto.
7076         * testsuite/arm_cortex_a8_bl.s: Ditto.
7077         * testsuite/arm_cortex_a8_blx.s: Ditto.
7078         * testsuite/arm_cortex_a8_local.s: Ditto.
7079         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
7080         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
7081
7082 2010-09-08  Rafael Espindola  <espindola@google.com>
7083
7084         * Makefile.am (memory_test.stdout): Run readelf with -W.
7085         * Makefile.in: Regenerate.
7086         * testsuite/memory_test.sh: Make the regexps accept both 32 and
7087         64 bit output.
7088
7089 2010-09-08  Rafael Espindola  <espindola@google.com>
7090
7091         * script-sections.cc (Script_sections::add_memory_region): Convert
7092         field precision to int.
7093         * script.cc (script_set_section_region, script_set_section_region):
7094         Convert field precision to int.
7095
7096 2010-09-08  Rafael Espindola  <espindola@google.com>
7097
7098         * arm.cc (do_finalize_sections): Create the __exidx_start and
7099         __exdix_end symbols even when the section is missing.
7100
7101 2010-09-08  Nick Clifton  <nickc@redhat.com>
7102
7103         * README: Remove claim that MEMORY is not supported.
7104         * expression.cc (script_exp_function_origin)
7105         (script_exp_function_length): Move from here to ...
7106         * script.cc: ... here.
7107         (script_set_section_region, script_add_memory)
7108         (script_parse_memory_attr, script_include_directive): New
7109         functions.
7110         * script-sections.cc
7111         (class Memory_region): New class.
7112         (class Output_section_definition): Add set_memory_region,
7113         set_section_vma, set_section_lma and get_section_name methods.
7114         (class Script_Sections): Add add_memory_region,
7115         find_memory_region, find_memory_region_origin,
7116         find_memory_region_length and set_memory_region methods.
7117         Have set_section_addresses method walk the list of set memory
7118         regions.
7119         Extend the print methos to display memory regions.
7120         * script-sections.h: Add prototypes for new methods.
7121         Add enum for MEMORY region attributes.
7122         * yyscript.y: Add support for parsing MEMORY regions.
7123         * script-c.h: Add prototypes for new functions.
7124         * testsuite/Makefile.am: Add test of MEMORY region functionality.
7125         * testsuite/Makefile.in: Regenerate.
7126         * testsuite/memory_test.sh: New script.
7127         * testsuite/memory_test.s: New assembler source file.
7128         * testsuite/memory_test.t: New linker script.
7129
7130 2010-08-27  Doug Kwan  <dougkwan@google.com>
7131
7132         * gold/resolve.cc (Symbol_table::should_override): Let a weak
7133         reference override an existing dynamic weak reference.
7134         * testsuite/Makefile.am: Add new test dyn_weak_ref.
7135         * testsuite/Makefile.in: Regenerate.
7136         * testsuite/dyn_weak_ref.sh: New file.
7137         * testsuite/dyn_weak_ref_1.c: Ditto.
7138         * testsuite/dyn_weak_ref_2.c: Ditto.
7139
7140 2010-08-27  Ian Lance Taylor  <iant@google.com>
7141
7142         * incremental.h (class Incremental_input_entry): Add virtual
7143         destructor.
7144
7145 2010-08-27  Ian Lance Taylor  <iant@google.com>
7146
7147         * testsuite/start_lib_test_3.c: Mark t3 as used.
7148
7149 2010-08-27  Nick Clifton  <nickc@redhat.com>
7150
7151         * options.cc (version_script): Fix small typo in previous
7152         whitespace tidyup.
7153
7154 2010-08-25  Nick Clifton  <nickc@redhat.com>
7155
7156         * archive.cc: Formatting fixes: Remove whitespace between
7157         typename and following asterisk.  Remove whitespace between
7158         function name and opening parenthesis.
7159         * archive.h: Likewise.
7160         * arm.cc: Likewise.
7161         * attributes.cc: Likewise.
7162         * attributes.h: Likewise.
7163         * common.cc: Likewise.
7164         * copy-relocs.cc: Likewise.
7165         * dirsearch.h: Likewise.
7166         * dynobj.cc: Likewise.
7167         * ehframe.cc: Likewise.
7168         * ehframe.h: Likewise.
7169         * expression.cc: Likewise.
7170         * fileread.cc: Likewise.
7171         * fileread.h: Likewise.
7172         * gc.h: Likewise.
7173         * gold-threads.cc: Likewise.
7174         * gold.cc: Likewise.
7175         * i386.cc: Likewise.
7176         * icf.h: Likewise.
7177         * incremental-dump.cc: Likewise.
7178         * incremental.cc: Likewise.
7179         * layout.cc: Likewise.
7180         * layout.h: Likewise.
7181         * main.cc: Likewise.
7182         * merge.cc: Likewise.
7183         * merge.h: Likewise.
7184         * object.cc: Likewise.
7185         * object.h: Likewise.
7186         * options.cc: Likewise.
7187         * options.h: Likewise.
7188         * output.cc: Likewise.
7189         * output.h: Likewise.
7190         * plugin.cc: Likewise.
7191         * plugin.h: Likewise.
7192         * powerpc.cc: Likewise.
7193         * reloc.cc: Likewise.
7194         * script-c.h: Likewise.
7195         * script-sections.cc: Likewise.
7196         * script.cc: Likewise.
7197         * stringpool.cc: Likewise.
7198         * symtab.cc: Likewise.
7199         * symtab.h: Likewise.
7200         * target.cc: Likewise.
7201         * timer.cc: Likewise.
7202         * timer.h: Likewise.
7203         * version.cc: Likewise.
7204         * x86_64.cc: Likewise.
7205
7206 2010-08-24  Nick Clifton  <nickc@redhat.com>
7207
7208         PR 11899
7209         * layout.cc (segment_precedes): Sort segments by their physical
7210         addresses, if they have been set.
7211
7212 2010-08-23  Cary Coutant  <ccoutant@google.com>
7213
7214         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
7215         symbols data.
7216         (Lib_group::include_member): Unlock object after deleting its
7217         symbols data.
7218         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
7219         the bug fixed here.
7220
7221 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
7222             Cary Coutant  <ccoutant@google.com>
7223
7224         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
7225         constructor, and set_blocker.
7226         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
7227         readsyms_blocker_.
7228         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
7229         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
7230         * testsuite/Makefile.am (start_lib_test): New test case.
7231         * testsuite/Makefile.in: Regenerate.
7232         * testsuite/start_lib_test_main.c: New file.
7233         * testsuite/start_lib_test_1.c: New file.
7234         * testsuite/start_lib_test_2.c: New file.
7235         * testsuite/start_lib_test_3.c: New file.
7236
7237 2010-08-19  Ian Lance Taylor  <iant@google.com>
7238
7239         * Makefile.in: Rebuild with automake 1.11.1.
7240         * aclocal.m4: Likewise.
7241         * testsuite/Makefile.in: Likewise.
7242
7243 2010-08-19  Ian Lance Taylor  <iant@google.com>
7244
7245         PR 10893
7246         * i386.cc (class Output_data_plt_i386): Update declarations.
7247         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
7248         local_ifuncs_ fields.
7249         (Target_i386::do_plt_section_for_global): New function.
7250         (Target_i386::do_plt_section_for_local): New function.
7251         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
7252         parameter; change all callers.  Initialize global_ifuncs_ and
7253         local_ifuncs_.  If doing a static link define __rel_iplt_start and
7254         __rel_iplt_end.
7255         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
7256         (Output_data_plt_i386::add_local_ifunc_entry): New function.
7257         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
7258         symbols.
7259         (Target_i386::make_plt_section): New function, broken out of
7260         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
7261         (Target_i386::make_plt_entry): Call make_plt_section.
7262         (Target_i386::make_local_ifunc_plt_entry): New function.
7263         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
7264         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
7265         R_386_IRELATIVE to switch.
7266         (Target_i386::Scan::global): Likewise.
7267         (Target_i386::Relocate::relocate): Likewise.
7268         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
7269         switch.
7270         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
7271         (Target_x86_64::do_plt_section_for_global): New function.
7272         (Target_x86_64::do_plt_section_for_local): New function.
7273         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
7274         parameter; change all callers.  If doing a static link define
7275         __rela_iplt_start and __rela_iplt_end.
7276         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
7277         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
7278         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
7279         to point to .plt.
7280         (Target_x86_64::make_local_ifunc_plt_entry): New function.
7281         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
7282         switch.
7283         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
7284         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
7285         R_X86_64_IRELATIVE to switch.
7286         (Target_x86_64::Scan::global): Likewise.
7287         (Target_x86_64::Relocate::relocate): Likewise.
7288         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
7289         switch.
7290         * target.h (class Target): Add plt_section_for_global and
7291         plt_section_for_local functions.  Add do_plt_section_for_global
7292         and do_plt_section_for_local virtual functions.
7293         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
7294         clarifying comments.
7295         (Symbol::use_plt_offset): Handle IFUNC symbol.
7296         * object.cc (Sized_relobj::Sized_relobj): Initialize
7297         local_plt_offsets_.
7298         (Sized_relobj::local_has_plt_offset): New function.
7299         (Sized_relobj::local_plt_offset): New function.
7300         (Sized_relobj::set_local_plt_offset): New function.
7301         (Sized_relobj::do_count): Handle IFUNC symbol.
7302         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
7303         a bit away from input_shndx_ field.  Add set_is_func_symbol and
7304         is_ifunc_symbol functions.
7305         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
7306         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
7307         local_plt_offsets_ field.
7308         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
7309         * output.h (class Output_section_data): Add non-const
7310         output_section function.
7311         (class Output_data_got): Update declarations.
7312         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
7313         Add use_plt_offset parameter to global and local constructors.
7314         Change all callers.  Change local_sym_index_ field to 31 bits.
7315         Change GSYM_CODE and CONSTANT_CODE accordingly.
7316         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
7317         doing a static link don't set sh_link field.
7318         (Output_data_got::Got_entry::write): Use PLT offset if
7319         appropriate.
7320         (Output_data_got::add_global_plt): New function.
7321         (Output_data_got::add_local_plt): New function.
7322         * target-reloc.h (relocate_section): Handle IFUNC symbol.
7323         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
7324         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
7325         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
7326         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
7327         IFUNC conditional.
7328         * testsuite/ifunc-sel.h: New file.
7329         * testsuite/ifuncmain1.c: New file.
7330         * testsuite/ifuncmain1vis.c: New file.
7331         * testsuite/ifuncmod1.c: New file.
7332         * testsuite/ifuncdep2.c: New file.
7333         * testsuite/ifuncmain2.c: New file.
7334         * testsuite/ifuncmain3.c: New file.
7335         * testsuite/ifuncmod3.c: New file.
7336         * testsuite/ifuncmain4.c: New file.
7337         * testsuite/ifuncmain5.c: New file.
7338         * testsuite/ifuncmod5.c: New file.
7339         * testsuite/ifuncmain6pie.c: New file.
7340         * testsuite/ifuncmod6.c: New file.
7341         * testsuite/ifuncmain7.c: New file.
7342         * configure, testsuite/Makefile.in: Rebuild.
7343
7344 2010-08-18  Ian Lance Taylor  <iant@google.com>
7345
7346         * incremental.cc
7347         (Output_section_incremental_inputs::write_input_files): Add cast
7348         to avoid signed/unsigned comparison warning.
7349         (Output_section_incremental_inputs::write_info_blocks): Likewise.
7350
7351 2010-08-12  Cary Coutant  <ccoutant@google.com>
7352
7353         * common.cc (Sort_commons::operator()): Remove unnecessary code.
7354
7355 2010-08-13  Ian Lance Taylor  <iant@google.com>
7356
7357         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
7358
7359 2010-08-12  Cary Coutant  <ccoutant@google.com>
7360             Doug Kwan  <dougkwan@google.com>
7361
7362         * resolve.cc (Symbol_table::should_override): When a weak dynamic
7363         defintion overrides non-weak undef, remember that the original undef
7364         is not weak.
7365         * symtab.cc (Symbol_table::sized_write_global): For undef without
7366         an original weak binding, set binding to global in output.
7367         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
7368         * testsuite/Makefile.in: Regenerate.
7369         * testsuite/strong_ref_weak_def.sh: New file.
7370         * testsuite/strong_ref_weak_def_1.c: Ditto.
7371         * testsuite/strong_ref_weak_def_2.c: Ditto.
7372
7373 2010-08-12  Cary Coutant  <ccoutant@google.com>
7374
7375         * testsuite/incremental_test.sh: Rewrite.
7376         * testsuite/incremental_test_1.c: Rewrite.
7377         * testsuite/incremental_test_2.c: Rewrite.
7378
7379 2010-08-12  Cary Coutant  <ccoutant@google.com>
7380
7381         * arm.cc (Target_arm::got_size): Add const.
7382         (Target_arm::got_entry_count): New function.
7383         (Target_arm::plt_entry_count): New function.
7384         (Target_arm::first_plt_entry_offset): New function.
7385         (Target_arm::plt_entry_size): New function.
7386         (Output_data_plt_arm::entry_count): New function.
7387         (Output_data_plt_arm::first_plt_entry_offset): New function.
7388         (Output_data_plt_arm::get_plt_entry_size): New function.
7389         * i386.cc (Target_i386::got_size): Add const.
7390         (Target_i386::got_entry_count): New function.
7391         (Target_i386::plt_entry_count): New function.
7392         (Target_i386::first_plt_entry_offset): New function.
7393         (Target_i386::plt_entry_size): New function.
7394         (Output_data_plt_i386::entry_count): New function.
7395         (Output_data_plt_i386::first_plt_entry_offset): New function.
7396         (Output_data_plt_i386::get_plt_entry_size): New function.
7397         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
7398         find_incremental_inputs_sections.  Dump incremental_got_plt section.
7399         * incremental.cc: Include target.h.
7400         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
7401         parameter.  Adjust all callers.  Find incremental_got_plt section.
7402         (Incremental_inputs::create_data_sections): Create incremental_got_plt
7403         section.
7404         (Output_section_incremental_inputs::set_final_data_size): Calculate
7405         size of incremental_got_plt section.
7406         (Output_section_incremental_inputs::do_write): Write the
7407         incremental_got_plt section.
7408         (Got_plt_view_info): New struct.
7409         (Local_got_offset_visitor): New class.
7410         (Global_got_offset_visitor): New class.
7411         (Global_symbol_visitor_got_plt): New class.
7412         (Output_section_incremental_inputs::write_got_plt): New function.
7413         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
7414         Add parameter.  Adjust all callers.
7415         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
7416         (Incremental_inputs::got_plt_section): New function.
7417         (Incremental_inputs::got_plt_section_): New data member.
7418         (Incremental_got_plt_reader): New class.
7419         * layout.cc (Layout::create_incremental_info_sections): Add the
7420         incremental_got_plt section.
7421         * object.h (Got_offset_list::get_list): New function.
7422         (Got offset_list::for_all_got_offsets): New function.
7423         (Sized_relobj::local_got_offset_list): New function.
7424         * powerpc.cc (Target_powerpc::got_size): Add const.
7425         (Target_powerpc::got_entry_count): New function.
7426         (Target_powerpc::plt_entry_count): New function.
7427         (Target_powerpc::first_plt_entry_offset): New function.
7428         (Target_powerpc::plt_entry_size): New function.
7429         (Output_data_plt_powerpc::entry_count): New function.
7430         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
7431         (Output_data_plt_powerpc::get_plt_entry_size): New function.
7432         * sparc.cc (Target_sparc::got_size): Add const.
7433         (Target_sparc::got_entry_count): New function.
7434         (Target_sparc::plt_entry_count): New function.
7435         (Target_sparc::first_plt_entry_offset): New function.
7436         (Target_sparc::plt_entry_size): New function.
7437         (Output_data_plt_sparc::entry_count): New function.
7438         (Output_data_plt_sparc::first_plt_entry_offset): New function.
7439         (Output_data_plt_sparc::get_plt_entry_size): New function.
7440         * symtab.h (Symbol::got_offset_list): New function.
7441         (Symbol_table::for_all_symbols): New function.
7442         * target.h (Sized_target::got_entry_count): New function.
7443         (Sized_target::plt_entry_count): New function.
7444         (Sized_target::plt_entry_size): New function.
7445         * x86_64.cc (Target_x86_64::got_size): Add const.
7446         (Target_x86_64::got_entry_count): New function.
7447         (Target_x86_64::plt_entry_count): New function.
7448         (Target_x86_64::first_plt_entry_offset): New function.
7449         (Target_x86_64::plt_entry_size): New function.
7450         (Output_data_plt_x86_64::entry_count): New function.
7451         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
7452         (Output_data_plt_x86_64::get_plt_entry_size): New function.
7453
7454 2010-08-12  Cary Coutant  <ccoutant@google.com>
7455
7456         * archive.cc: Include incremental.h.
7457         (Archive::Archive): Initialize incremental_info_.
7458         (Archive::include_member): Record archive members in incremental info.
7459         (Add_archive_symbols::run): Record begin and end of an archive in
7460         incremental info.
7461         (Lib_group::include_member): Record objects in incremental info.
7462         * archive.h (Incremental_archive_entry): Forward declaration.
7463         (Archive::set_incremental_info): New member function.
7464         (Archive::incremental_info): New member function.
7465         (Archive::Unused_symbol_iterator): New class.
7466         (Archive::unused_symbols_begin): New member function.
7467         (Archive::unused_symbols_end): New member function.
7468         (Archive::incremental_info_): New data member.
7469         * incremental-dump.cc (find_input_containing_global): New function.
7470         (dump_incremental_inputs): Dump new incremental info sections.
7471         * incremental.cc: Include symtab.h.
7472         (Output_section_incremental_inputs): New class.
7473         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
7474         new incremental info sections.
7475         (Sized_incremental_binary::do_check_inputs): Likewise.
7476         (Incremental_inputs::report_archive): Remove.
7477         (Incremental_inputs::report_archive_begin): New function.
7478         (Incremental_inputs::report_archive_end): New function.
7479         (Incremental_inputs::report_object): New function.
7480         (Incremental_inputs::finalize_inputs): Remove.
7481         (Incremental_inputs::report_input_section): New function.
7482         (Incremental_inputs::report_script): Rewrite.
7483         (Incremental_inputs::finalize): Do nothing but finalize string table.
7484         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
7485         (Incremental_inputs::sized_create_inputs_section_data): Remove.
7486         (Incremental_inputs::create_data_sections): New function.
7487         (Incremental_inputs::relocs_entsize): New function.
7488         (Output_section_incremental_inputs::set_final_data_size): New function.
7489         (Output_section_incremental_inputs::do_write): New function.
7490         (Output_section_incremental_inputs::write_header): New function.
7491         (Output_section_incremental_inputs::write_input_files): New function.
7492         (Output_section_incremental_inputs::write_info_blocks): New function.
7493         (Output_section_incremental_inputs::write_symtab): New function.
7494         * incremental.h (Incremental_script_entry): Forward declaration.
7495         (Incremental_object_entry): Forward declaration.
7496         (Incremental_archive_entry): Forward declaration.
7497         (Incremental_inputs): Forward declaration.
7498         (Incremental_inputs_header_data): Remove.
7499         (Incremental_inputs_header): Remove.
7500         (Incremental_inputs_header_write): Remove.
7501         (Incremental_inputs_entry_data): Remove.
7502         (Incremental_inputs_entry): Remove.
7503         (Incremental_inputs_entry_write): Remove.
7504         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
7505         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
7506         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
7507         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
7508         Likewise.
7509         (Incremental_input_entry): New class.
7510         (Incremental_script_entry): New class.
7511         (Incremental_object_entry): New class.
7512         (Incremental_archive_entry): New class.
7513         (Incremental_inputs::Incremental_inputs): Initialize new data members.
7514         (Incremental_inputs::report_inputs): Remove.
7515         (Incremental_inputs::report_archive): Remove.
7516         (Incremental_inputs::report_archive_begin): New function.
7517         (Incremental_inputs::report_archive_end): New function.
7518         (Incremental_inputs::report_object): Change prototype.
7519         (Incremental_inputs::report_input_section): New function.
7520         (Incremental_inputs::report_script): Change prototype.
7521         (Incremental_inputs::get_reloc_count): New function.
7522         (Incremental_inputs::set_reloc_count): New function.
7523         (Incremental_inputs::create_data_sections): New function.
7524         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
7525         (Incremental_inputs::inputs_section): New function.
7526         (Incremental_inputs::symtab_section): New function.
7527         (Incremental_inputs::relocs_section): New function.
7528         (Incremental_inputs::get_stringpool): Add const.
7529         (Incremental_inputs::command_line): Add const.
7530         (Incremental_inputs::inputs): Remove.
7531         (Incremental_inputs::command_line_key): New function.
7532         (Incremental_inputs::input_file_count): New function.
7533         (Incremental_inputs::input_files): New function.
7534         (Incremental_inputs::relocs_entsize): New function.
7535         (Incremental_inputs::sized_create_inputs_section_data): Remove.
7536         (Incremental_inputs::finalize_inputs): Remove.
7537         (Incremental_inputs::Input_info): Remove.
7538         (Incremental_inputs::lock_): Remove.
7539         (Incremental_inputs::inputs_): Change type.
7540         (Incremental_inputs::inputs_map_): Remove.
7541         (Incremental_inputs::current_object_entry_): New data member.
7542         (Incremental_inputs::inputs_section_): New data member.
7543         (Incremental_inputs::symtab_section_): New data member.
7544         (Incremental_inputs::relocs_section_): New data member.
7545         (Incremental_inputs::reloc_count_): New data member.
7546         (Incremental_inputs_reader): New class.
7547         (Incremental_symtab_reader): New class.
7548         (Incremental_relocs_reader): New class.
7549         * layout.cc (Layout::finalize): Move finalization of incremental info
7550         and creation of incremental info sections to follow finalization of
7551         symbol table.  Set offsets for postprocessing sections.
7552         (Layout::create_incremental_info_sections): Call
7553         Incremental_inputs::create_data_sections.  Add incremental symtab
7554         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
7555         sections to layout after input sections.
7556         * layout.h (struct Timespec): Forward declaration.
7557         (Layout::incremental_inputs): Add const.
7558         (Layout::create_incremental_info_sections): Add parameter.
7559         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
7560         * object.cc: Include incremental.h.
7561         (Relobj::finalize_incremental_relocs): New function.
7562         (Sized_relobj::do_layout): Record input sections in incremental info.
7563         * object.h (Object::output_section): New function.
7564         (Object::output_section_offset): Moved from Relobj.
7565         (Object::get_incremental_reloc_base): New function.
7566         (Object::get_incremental_reloc_count): New function.
7567         (Object::do_output_section): New function.
7568         (Object::do_output_section_offset): Moved from Relobj.
7569         (Object::do_get_incremental_reloc_base): New function.
7570         (Object::do_get_incremental_reloc_count): New function.
7571         (Object::Object): Initialize new data members.
7572         (Relobj::output_section): Renamed do_output_section and moved to
7573         protected.
7574         (Relobj::output_section_offset): Moved to Object.
7575         (Relobj::do_get_incremental_reloc_base): New function.
7576         (Relobj::do_get_incremental_reloc_count): New function.
7577         (Relobj::allocate_incremental_reloc_counts): New function.
7578         (Relobj::count_incremental_reloc): New function.
7579         (Relobj::finalize_incremental_relocs): New function.
7580         (Relobj::next_incremental_reloc_index): New function.
7581         (Relobj::reloc_counts_): New data member.
7582         (Relobj::reloc_bases_): New data member.
7583         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
7584         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
7585         (Sized_relobj::incremental_relocs_scan): New function.
7586         (Sized_relobj::incremental_relocs_scan_reltype): New function.
7587         (Sized_relobj::incremental_relocs_write): New function.
7588         (Sized_relobj::incremental_relocs_write_reltype): New function.
7589         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
7590         incremental link.
7591         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
7592         archives and object files elsewhere.
7593         (Add_symbols::run): Report object files here.
7594         (Finish_group::run): Report end of archive at end of group.
7595         * reloc.cc: Include layout.h, incremental.h.
7596         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
7597         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
7598         (Sized_relobj::incremental_relocs_scan): New function.
7599         (Sized_relobj::incremental_relocs_scan_reltype): New function.
7600         (Sized_relobj::do_relocate_sections): Write incremental relocations.
7601         (Sized_relobj::incremental_relocs_write): New function.
7602         (Sized_relobj::incremental_relocs_write_reltype): New function.
7603         * script.cc (read_input_script): Rewrite test for incremental link.
7604         Change call to Incremental_inputs::report_script.
7605         * symtab.h (Symbol_table::first_global_index): New function.
7606         (Symbol_table::output_count): New function.
7607
7608 2010-08-12  Doug Kwan  <dougkwan@google.com>
7609
7610         * arm.cc (Target_arm::merge_object_attributes): Check command line
7611         options --no-wchar-size-warning and --no-enum-size-warning.
7612         * options.h (General_options): Add ld-compatible options
7613         --no-enum-size-warning and --no-wchar-size-warning.
7614
7615 2010-08-04  Ian Lance Taylor  <iant@google.com>
7616
7617         * x86_64.cc (Target_x86_64::Scan::local): Use
7618         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
7619         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
7620         (Target_x86_64::Scan::global): Likewise.
7621         (Target_x86_64::Relocate::relocate): Likewise.
7622         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
7623         Likewise.
7624
7625 2010-08-03  Cary Coutant  <ccoutant@google.com>
7626
7627         * merge.cc (Output_merge_string::do_add_input_section): Count strings
7628         to reserve space in merged_strings vector. Keep total input size
7629         for stats.
7630         (Output_merge_string::do_print_merge_stats): Print total input size.
7631         * merge.h (Output_merge_string): Add input_size_ field.
7632         * stringpool.cc (Stringpool_template::string_length): Move
7633         implementations out of Stringpool_template class and place in
7634         stringpool.h.
7635         * stringpool.h (string_length): Move out of Stringpool_template.
7636
7637 2010-08-03  Ian Lance Taylor  <iant@google.com>
7638
7639         PR 11712
7640         * layout.cc (relaxation_loop_body): If address of load segment is
7641         set, adjust address to include headers if possible.
7642
7643 2010-08-03  Ian Lance Taylor  <iant@google.com>
7644
7645         * version.cc (version_string): Bump to 1.10.
7646
7647 2010-08-03  Ian Lance Taylor  <iant@google.com>
7648
7649         PR 11805
7650         * layout.h (enum Output_section_order): Define.
7651         (class Layout): Update declarations.
7652         * layout.cc (Layout::get_output_section): Add order parameter.
7653         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
7654         is_first_non_relro parameters.  Change all callers.
7655         (Layout::choose_output_section): Likewise.
7656         (Layout::add_output_section_data): Likewise.
7657         (Layout::make_output_section): Likewise.  Set order.
7658         (Layout::default_section_order): New function.
7659         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
7660         * output.cc (Output_section::Output_section): Initialize order_.
7661         Don't initialize deleted fields.
7662         (Output_segment::Output_segment): Don't initialize deleted
7663         fields.
7664         (Output_segment::add_output_section_to_load): New function
7665         replacing add_output_section.  Change all callers to call this or
7666         add_output_section_to_nonload.
7667         (Output_segment::add_output_section_to_nonload): New function.
7668         (Output_segment::remove_output_section): Rewrite.
7669         (Output_segment::add_initial_output_data): Likewise.
7670         (Output_segment::has_any_data_sections): Likewise.
7671         (Output_segment::is_first_section_relro): Likewise.
7672         (Output_segment::maximum_alignment): Likewise.
7673         (Output_segment::has_dynamic_reloc): New function replacing
7674         dynamic_reloc_count.  Change all callers.
7675         (Output_segment::has_dynamic_reloc_list): New function replacing
7676         dynamic_reloc_count_list.  Change all callers.
7677         (Output_segment::set_section_addresses): Rewrite.
7678         (Output_segment::set_offset): Rewrite.
7679         (Output_segment::find_first_and_last_list): Remove.
7680         (Output_segment::set_tls_offsets): Rewrite.
7681         (Output_segment::first_section_load_address): Likewise.
7682         (Output_segment::output_section_count): Likewise.
7683         (Output_segment::section_with_lowest_load_address): Likewise.
7684         (Output_segment::write_section_headers): Likewise.
7685         (Output_segment::print_sections_to_map): Likewise.
7686         * output.h (class Output_data): Remove dynamic_reloc_count_
7687         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
7688         (Output_data::add_dynamic_reloc): Rewrite.
7689         (Output_data::has_dynamic_reloc): New function.
7690         (Output_data::dynamic_reloc_count): Remove.
7691         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
7692         is_last_relro_, is_first_non_relro_, is_interp_,
7693         is_dynamic_linker_section_ fields.  Add order and set_order
7694         functions.  Remove is_relro_local, set_is_relro_local,
7695         is_last_relro, set_is_last_relro, is_first_non_relro,
7696         set_is_first_non_relro functions, is_interp, set_is_interp,
7697         is_dynamic_linker_section, and set_is_dynamic_linker_section
7698         functions.
7699         (class Output_segment): Change Output_data_list from std::list to
7700         std:;vector.  Add output_lists_ field.  Remove output_data_ and
7701         output_bss_ fields.  Update declarations.
7702
7703 2010-08-02  Ian Lance Taylor  <iant@google.com>
7704
7705         * arm.cc (Target_arm::gc_process_relocs): Use typename.
7706         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
7707         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
7708
7709 2010-08-02  Ian Lance Taylor  <iant@google.com>
7710
7711         PR 11855
7712         * script.cc (Script_options::Script_options): Initialize
7713         symbol_definitions_ and symbol_references_.
7714         (Script_options::add_symbol_assignment): Update
7715         symbol_definitions_ and symbol_references_.
7716         (Script_options::add_symbol_reference): New function.
7717         (script_symbol): New function.
7718         * script.h (class Script_options): Add symbol_definitions_ and
7719         symbol_references_ fields.
7720         (Script_options::referenced_const_iterator): New type.
7721         (Script_options::referenced_begin): New function.
7722         (Script_options::referenced_end): New function.
7723         (Script_options::is_referenced): New function.
7724         (Script_options::any_unreferenced): New function.
7725         * script-c.h (script_symbol): Declare.
7726         * yyscript.y (exp): Call script_symbol.
7727         * symtab.cc: Include "script.h".
7728         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
7729         Change all callers.  Check symbols referenced by scripts.
7730         (Symbol_table::add_undefined_symbols_from_command_line): Add
7731         layout parameter.  Change all callers.
7732         (Symbol_table::do_add_undefined_symbols_from_command_line):
7733         Likewise.  Break out loop body.  Check symbols referenced by
7734         scripts.
7735         (Symbol_table::add_undefined_symbol_from_command_line): New
7736         function broken out of
7737         do_add_undefined_symbols_from_command_line.
7738         * symtab.h (class Symbol_table): Update declarations.
7739         * archive.cc: Include "layout.h".
7740         (Archive::should_include_member): Add layout parameter.  Change
7741         all callers.  Check for symbol mentioned in expression.
7742         * archive.h (class Archive): Update declaration.
7743         * object.cc (Sized_relobj::do_should_include_member): Add layout
7744         parameter.
7745         * object.h (Object::should_include_member): Add layout parameter.
7746         Change all callers.
7747         (Object::do_should_include_member): Add layout parameter.
7748         (class Sized_relobj): Update declaration.
7749         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
7750         parameter.
7751         * dynobj.h (class Sized_dynobj): Update declaration.
7752         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
7753         layout parameter.
7754         * plugin.h (class Sized_pluginobj): Update declaration.
7755
7756 2010-08-02  Ian Lance Taylor  <iant@google.com>
7757
7758         PR 11866
7759         * output.cc (Output_segment::set_offset): Search for the first and
7760         last sections rather than assuming that the list is in order.
7761         (Output_segment::find_first_and_last_list): New function.
7762         * output.h (class Output_segment): Update declarations.
7763         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
7764         (relro_strip_test_SOURCES): New variable.
7765         (relro_strip_test_DEPENDENCIES): New variable.
7766         (relro_strip_test_LDFLAGS): New variable.
7767         (relro_strip_test_LDADD): New variable.
7768         (relro_strip_test.so): New target.
7769
7770 2010-08-02  Ian Lance Taylor  <iant@google.com>
7771
7772         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
7773         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
7774         (Target_i386::got_tlsdesc_section): New function.
7775         (Target_i386::got_section): Create space for GOT entries for
7776         TLSDESC relocations.
7777         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
7778         R_386_TLS_GOTDESC.
7779         (Target_i386::Scan::global): Likewise.
7780         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
7781         using TLSDESC GOT.
7782         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
7783         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
7784         (Target_x86_64::got_tlsdesc_section): New function.
7785         (Target_x86_64::got_section): Create space for GOT entries for
7786         TLSDESC relocations.
7787         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
7788         R_386_TLS_GOTDESC.
7789         (Target_x86_64::Scan::global): Likewise.
7790         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
7791         using TLSDESC GOT.
7792
7793 2010-08-02  Ian Lance Taylor  <iant@google.com>
7794
7795         * testsuite/final_layout.sh: Use dc to convert from hex to
7796         decimal.
7797
7798 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
7799
7800         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
7801         paramter to the call to gold::gc_process_relocs.
7802         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
7803         paramter to the call to gold::gc_process_relocs.
7804         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
7805         parameter to the call to gold::gc_process_relocs.
7806         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
7807         template parameter to the call to gold::gc_process_relocs.
7808         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
7809         paramter to the call to gold::gc_process_relocs.
7810         * gc.h (get_embedded_addend_size): New function.
7811         (gc_process_relocs): Save the size of the reloc for use by ICF.
7812         * icf.cc (get_section_contents): Get the addend from the text section
7813         for SHT_REL relocation sections.
7814         * icf.h (Icf::Reloc_addend_size_info): New typedef.
7815         (Icf::Reloc_info): Add new member reloc_addend_size_info.
7816         * int_encoding.h (read_from_pointer): New overloaded function.
7817         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
7818         * testsuite/icf_sht_rel_addend_test.sh: New file.
7819         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
7820         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
7821
7822 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7823
7824         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
7825         * Makefile.in: Regenerate.
7826         * testsuite/Makefile.in: Regenerate.
7827
7828 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
7829
7830         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
7831         * gold/testsuite/debug_msg.cc: Likewise.
7832         * gold/testsuite/odr_violation1.cc
7833         * gold/testsuite/odr_violation2.cc
7834
7835 2010-07-21  Cary Coutant  <ccoutant@google.com>
7836
7837         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
7838         string, and length fields.
7839         (Output_merge_string::Merged_strings_list): New type.
7840         (Output_merge_string::Merged_strings_lists): New typedef.
7841         (Output_merge_string): Replace merged_strings_ with
7842         merged_strings_lists_.
7843         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
7844         Merged_strings_list per input object and section.  Don't store pointer
7845         to the string.  Don't store length with each merged string entry.
7846         (Output_merge_string::finalize_merged_data): Loop over list of merged
7847         strings lists.  Recompute length of each merged string.
7848
7849 2010-07-15  Cary Coutant  <ccoutant@google.com>
7850
7851         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
7852         here.
7853
7854 2010-07-14  Ian Lance Taylor  <iant@google.com>
7855
7856         * descriptors.cc (Descriptors::open): Report correct name in error
7857         message.
7858
7859 2010-07-13  Doug Kwan  <dougkwan@google.com>
7860
7861         * arm.cc (Arm_input_section::Arm_input_section): For a
7862         SHT_ARM_EXIDX section, always keeps the input sections.
7863         (Arm_input_section::set_exidx_section_link): New method.
7864         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
7865         has_errors_ to false.
7866         (Arm_exidx_input_section::has_errors,
7867         Arm_exidx_input_section::set_has_errors): New methods.
7868         (Arm_exidx_input_section::has_errors_): New data member.
7869         (Arm_relobj::get_exidx_shndx_list): New method.
7870         (Arm_output_section::append_text_sections_to_list): Do not skip
7871         section without SHF_EXECINSTR.
7872         (Arm_output_section::fix_exidx_coverage): Skip input sections with
7873         errors.
7874         (Arm_relobj::make_exidx_input_section): Add new parameter for text
7875         section header.  Make error messages more verbose.  Check for
7876         a non-executable section linked to an EXIDX section.
7877         (Arm_relobj::do_read_symbols): Remove error checking, which has been
7878         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
7879         check that there is no deferred EXIDX section if we exit early.
7880         Instead of not making an EXIDX section in case of an error, make one
7881         and set the has_errors flag of it.
7882         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
7883         in a relocatable link.
7884         (Target_arm::do_relax): Look for the EXIDX output section instead of
7885         assuming that it is called .ARM.exidx.
7886         (Target_arm::fix_exidx_coverage): Add a new parameter for input
7887         section list.  Do not check for SHF_EXECINSTR section flags but
7888         skip any input section with errors.
7889         * output.cc (Output_section::Output_section): Initialize
7890         always_keeps_input_sections_ to false.
7891         (Output_section::add_input_section): Check for
7892         always_keeps_input_sections_.
7893         *  output.h (Output_section::always_keeps_input_sections,
7894         Output_section::set_always_keeps_input_sections): New methods.
7895         (Output_section::always_keeps_input_sections): New data member.
7896
7897 2010-07-13  Rafael Espindola  <espindola@google.com>
7898
7899         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
7900         * fileread.h (Input_file): Add try_extra_search_path and find_file.
7901
7902 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
7903             Ian Lance Taylor  <iant@google.com>
7904
7905         * output.h (Output_section_lookup_maps::add_merge_section):
7906         Correct check of whether value was inserted.
7907         (Output_section_lookup_maps::add_merge_input_section): Likewise.
7908         (Output_section_lookup_maps::add_relaxed_input_section):
7909         Likewise.
7910         * arm.cc (Target_arm::got_section): Remove used local os.
7911         * i386.cc (Target_i386::got_section): Likewise.
7912         * x86_64.cc (Target_x86_64::got_section): Likewise.
7913         * sparc.cc (Target_sparc::got_section): Likewise.
7914         (Target_sparc::relocate): Remove unused local have_got_offset.
7915         * powerpc.cc (Target_powerpc::relocate): Likewise.
7916
7917 2010-07-13  Ian Lance Taylor  <iant@google.com>
7918
7919         * compressed_output.cc (zlib_decompress): Fix signature in
7920         !HAVE_ZLIB_H case.
7921
7922         * archive.cc (Archive::include_member): Unlock an external member
7923         of a thin archive.  Don't bother to delete an object we know is
7924         NULL.
7925
7926 2010-07-12  Cary Coutant  <ccoutant@google.com>
7927
7928         * compressed_output.cc (zlib_decompress): New function.
7929         (get_uncompressed_size): New function.
7930         (decompress_input_section): New function.
7931         * compressed_output.h (get_uncompressed_size): New function.
7932         (decompress_input_section): New function.
7933         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
7934         Handle compressed debug sections.
7935         * layout.cc (is_compressed_debug_section): New function.
7936         (Layout::output_section_name): Map compressed section names to
7937         canonical names.
7938         * layout.h (is_compressed_debug_section): New function.
7939         (is_debug_info_section): Recognize compressed debug sections.
7940         * merge.cc: Include compressed_output.h.
7941         (Output_merge_data::do_add_input_section): Handle compressed
7942         debug sections.
7943         (Output_merge_string::do_add_input_section): Handle compressed
7944         debug sections.
7945         * object.cc: Include compressed_output.h.
7946         (Sized_relobj::Sized_relobj): Initialize new data members.
7947         (build_compressed_section_map): New function.
7948         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
7949         * object.h (Object::section_is_compressed): New method.
7950         (Object::do_section_is_compressed): New method.
7951         (Sized_relobj::Compressed_section_map): New type.
7952         (Sized_relobj::do_section_is_compressed): New method.
7953         (Sized_relobj::compressed_sections_): New data member.
7954         * output.cc (Output_section::add_input_section): Handle compressed
7955         debug sections.
7956         * reloc.cc: Include compressed_output.h.
7957         (Sized_relobj::write_sections): Handle compressed debug sections.
7958
7959 2010-07-08  Cary Coutant  <ccoutant@google.com>
7960
7961         * resolve.cc (Symbol_table::resolve): Remember whether undef was
7962         weak when resolving to a dynamic def.
7963         (Symbol_table::should_override): Add adjust_dyndef flag; set it
7964         for weak undef/dynamic def cases. Adjust callers.
7965         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
7966         undef_binding_weak_.
7967         (Symbol_table::sized_write_globals): Adjust symbol binding.
7968         (Symbol_table::sized_write_symbol): Add binding parameter.
7969         * symtab.h (Symbol::set_undef_binding): New method.
7970         (Symbol::is_undef_binding_weak): New method.
7971         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
7972         (Symbol_table::should_override): Add new parameter.
7973         (Symbol_table::sized_write_symbol): Add new parameter.
7974
7975         * testsuite/weak_undef_file1.cc: Add new test case.
7976         * testsuite/weak_undef_file2.cc: Fix header comment.
7977         * testsuite/weak_undef_test.cc: Add new test case.
7978
7979 2010-06-29  Doug Kwan  <dougkwan@google.com>
7980
7981         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
7982         Initialize USE_SYMBOL_.
7983         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
7984         definition.
7985         (Arm_reloc_property::uses_symbol_): New data member declaration.
7986         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
7987         uses symbol value and symbol is undefined but not weakly undefined.
7988
7989 2010-06-28  Rafael Espindola  <espindola@google.com>
7990
7991         * plugin.cc (Plugin::load): Use dlerror.
7992
7993 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
7994
7995         * symtab.cc (detect_odr_violations): When reporting an ODR
7996         violation, report an object where the symbol is defined.
7997
7998 2010-06-25  Doug Kwan  <dougkwan@google.com>
7999
8000         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
8001         (Target_arm::section_may_have_icf_unsafe_pointers): New method
8002         definition.
8003         (Target_arm::Scan::local_reloc_may_be_function_pointer,
8004         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
8005         target hook to detect function points.
8006         (Target_arm::Scan::possible_function_pointer_reloc): New method.
8007         * icf.h (Icf::check_section_for_function_pointers): Change type of
8008         parameter SECTION_NAME to const reference to std::string.  Use
8009         target hook to determine if section may have unsafe pointers.
8010         * target.h (Target::section_may_have_icf_unsafe_pointers): New
8011         method definition.
8012
8013 2010-06-21  Rafael Espindola  <espindola@google.com>
8014
8015         * fileread.cc (Input_file::find_fie): New
8016         (Input_file::open): Use Input_file::find_fie.
8017         * fileread.h (Input_file::find_fie): New
8018         * plugin.cc (set_extra_library_path): New.
8019         (Plugin::load): Add set_extra_library_path to the transfer vector.
8020         (Plugin_manager::set_extra_library_path): New.
8021         (Plugin_manager::add_input_file): Use the extra search path if set.
8022         (set_extra_library_path(): New.
8023         * plugin.h (Plugin_manager): Add set_extra_library_path and
8024         extra_search_path_.
8025
8026 2010-06-19  Cary Coutant  <ccoutant@google.com>
8027
8028         * layout.cc (gdb_sections): Add .debug_types.
8029         (lines_only_debug_sections): Likewise.
8030
8031 2010-06-18  Rafael Espindola  <espindola@google.com>
8032
8033         * plugin.cc (add_input_file,add_input_library)
8034         (Plugin_manager::add_input_file): Make filename arguments const.
8035         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
8036         const.
8037
8038 2010-06-16  Doug Kwan  <dougkwan@google.com>
8039
8040         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
8041         .ARM.attributes section if we have not merged any input
8042         attributes sections.
8043
8044 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8045
8046         * arm.cc: Allow combining objects with no EABI version
8047         information.
8048
8049 2010-06-15  Rafael Espindola  <espindola@google.com>
8050
8051         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
8052
8053 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8054
8055         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
8056         (struct iovec): Correct !HAVE_READV definition.
8057
8058 2010-06-10  Cary Coutant  <ccoutant@google.com>
8059
8060         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
8061         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
8062         reloc sections.
8063         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
8064
8065         PR 11683
8066         * symtab.h (Symbol::is_placeholder): New member function.
8067         * target-reloc.h (relocate_section): Check for placeholder symbols.
8068
8069         * testsuite/Makefile.am (plugin_test_8): New test.
8070         (plugin_test_9): New test.
8071         * testsuite/Makefile.in: Regenerate.
8072
8073 2010-06-09  Nick Clifton  <nickc@redhat.com>
8074
8075         * yyscript.y (input_list_element): Allow strings prefixed with
8076         the '-' character.  Treat these as libraries.
8077         * script.cc (script_add_library): New function.  Adds a library
8078         specified by "-l<name>" found in an input script.
8079         * script-c.h: Add prototype for script_add_library.
8080
8081 2010-06-07  Doug Kwan  <dougkwan@google.com>
8082
8083         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
8084         Restrict stub-group size to be within long conditional branch
8085         range when working around cortex-A8 erratum.
8086
8087 2010-06-07  Damien Diederen  <dd@crosstwine.com>
8088
8089         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
8090         #ifdef typo.
8091
8092 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
8093
8094         PR gold/11658
8095         * output.cc
8096         (Output_section::Input_section_sort_entry::compare_section_ordering):
8097         Change to return non-zero correctly.
8098         (Output_section::Input_section_sort_section_order_index_compare
8099         ::operator()): Change to fix ambiguity in comparisons.
8100
8101 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
8102
8103         * gold.h (is_wildcard_string): New function.
8104         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
8105         (Layout::layout_eh_frame): Ditto.
8106         (Layout::find_section_order_index): New method.
8107         (Layout::read_layout_from_file): New method.
8108         * layout.h (Layout::find_section_order_index): New method.
8109         (Layout::read_layout_from_file): New method.
8110         (Layout::input_section_position_): New private member.
8111         (Layout::input_section_glob_): New private member.
8112         * main.cc (main): Call read_layout_from_file here.
8113         * options.h (--section-ordering-file): New option.
8114         * output.cc (Output_section::input_section_order_specified_): New
8115         member.
8116         (Output_section::Output_section): Initialize new member.
8117         (Output_section::add_input_section): Add new parameter.
8118         Keep input sections when --section-ordering-file is used.
8119         (Output_section::set_final_data_size): Sort input sections when
8120         section ordering file is specified.
8121         (Output_section::Input_section_sort_entry): Add new parameter.
8122         Check sorting type.
8123         (Output_section::Input_section_sort_entry::compare_section_ordering):
8124         New method.
8125         (Output_section::Input_section_sort_compare::operator()): Change to
8126         consider section_order_index.
8127         (Output_section::Input_section_sort_init_fini_compare::operator()):
8128         Change to consider section_order_index.
8129         (Output_section::Input_section_sort_section_order_index_compare
8130         ::operator()): New method.
8131         (Output_section::sort_attached_input_sections): Change to sort
8132         according to section order when specified.
8133         (Output_section::add_input_section<32, true>): Add new parameter.
8134         (Output_section::add_input_section<64, true>): Add new parameter.
8135         (Output_section::add_input_section<32, false>): Add new parameter.
8136         (Output_section::add_input_section<64, false>): Add new parameter.
8137         * output.h (Output_section::add_input_section): Add new parameter.
8138         (Output_section::input_section_order_specified): New
8139         method.
8140         (Output_section::set_input_section_order_specified): New method.
8141         (Input_section::Input_section): Initialize section_order_index_.
8142         (Input_section::section_order_index): New method.
8143         (Input_section::set_section_order_index): New method.
8144         (Input_section::section_order_index_): New member.
8145         (Input_section::Input_section_sort_section_order_index_compare): New
8146         struct.
8147         (Output_section::input_section_order_specified_): New member.
8148         * script-sections.cc (is_wildcard_string): Delete and move modified
8149         method to gold.h.
8150         (Output_section_element_input::Output_section_element_input): Modify
8151         call to is_wildcard_string.
8152         (Output_section_element_input::Input_section_pattern
8153         ::Input_section_pattern): Ditto.
8154         (Output_section_element_input::Output_section_element_input): Ditto.
8155         * testsuite/Makefile.am (final_layout): New test case.
8156         * testsuite/Makefile.in: Regenerate.
8157         * testsuite/final_layout.cc: New file.
8158         * testsuite/final_layout.sh: New file.
8159
8160 2010-06-01  Rafael Espindola  <espindola@google.com>
8161
8162         * plugin.cc (Plugin::load): Pass the output name to the plugin.
8163
8164 2010-06-01  Rafael Espindola  <espindola@google.com>
8165
8166         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
8167         visibility of symbols.
8168
8169 2010-05-27  Doug Kwan  <dougkwan@google.com>
8170
8171         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
8172         from start of output section instead of address for a local symbol
8173         in a merged or relaxed section when doing a relocatable link.
8174
8175 2010-05-26  Rafael Espindola  <espindola@google.com>
8176
8177         PR 11604
8178         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
8179         adding sections the garbage collector removed.
8180         * gold/testsuite/Makefile.am: Add test.
8181         * gold/testsuite/Makefile.in: Regenerate.
8182         * gold/testsuite/plugin_test_7.sh: New.
8183         * gold/testsuite/plugin_test_7_1.c: New.
8184         * gold/testsuite/plugin_test_7_2.c: New.
8185
8186 2010-05-26  Rafael Espindola  <espindola@google.com>
8187
8188         * script-sections.cc (Output_section_definition::set_section_addresses):
8189         Check for --section-start.
8190
8191 2010-05-26  Doug Kwan  <dougkwan@google.com>
8192
8193         * arm.cc (Arm_scan_relocatable_relocs): New class.
8194         (Target_arm::relocate_special_relocatable): New method.
8195         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
8196         (Arm_relocate_functions::thumb_branch_common): Same.
8197         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
8198         instead of Default_scan_relocatable_relocs.
8199         * target-reloc.h (relocate_for_relocatable): Let target handle
8200         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
8201         * target.h (Sized_target::relocate_special_relocatable): New method.
8202
8203 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8204
8205         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
8206
8207 2010-05-23  Doug Kwan  <dougkwan@google.com>
8208
8209         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
8210         instead of a cast.
8211         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
8212         with a direct branch, not a conditional branch, to a stub.
8213         * merge.cc (Output_merge_base::record_input_section): New method
8214         defintion.
8215         (Output_merge_data::do_add_input_section): Record input section if
8216         keeps-input-sections flag is set.
8217         (Output_merge_string::do_add_input_section): Ditto.
8218         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
8219         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
8220         INPUT_SECTIONS_.
8221         (Output_merge_base::keeps_input_sections,
8222         Output_merge_base::set_keeps_input_sections,
8223         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
8224         method definitions.
8225         (Output_merge_base::Input_sections): New type declaration.
8226         (Output_merge_base::input_sections_begin,
8227         Output_merge_base::input_sections_end,
8228         Output_merge_base::do_set_keeps_input_sections): New method definitions.
8229         (Output_merge_base::bool keeps_input_sections_,
8230         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
8231         Output_merge_base::input_sections_): New data members.
8232         (Output_merge_data::do_set_keeps_input_sections): New method
8233         defintion.
8234         (Output_merge_string::do_set_keeps_input_sections): Ditto.
8235         * output.cc (Output_section::Input_section::relobj): Move method
8236         defintion from class declaration to here and handle merge sections.
8237         (Output_section::Input_section::shndx): Ditto.
8238         (Output_section::Output_section): Remove initializations of removed
8239         data members and initialize new data member LOOKUP_MAPS_.
8240         (Output_section::add_input_section): Set keeps-input-sections flag
8241         for a newly created merge output section as appropriate.  Adjust code
8242         to use Output_section_lookup_maps class.
8243         (Output_section::add_relaxed_input_section): Adjst code for lookup
8244         maps code refactoring.
8245         (Output_section::add_merge_input_section): Add a new parameter
8246         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
8247         class.  If adding input section to a newly created merge output
8248         section fails, remove the new merge section.
8249         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
8250         Adjust code for use of the Output_section_lookup_maps class.
8251         (Output_section::find_merge_section): Ditto.
8252         (Output_section::build_lookup_maps): New method defintion.
8253         (Output_section::find_relaxed_input_section): Adjust code to use
8254         Output_section_lookup_maps class.
8255         (Output_section::get_input_sections): Export merge sections.  Adjust
8256         code to use Output_section_lookup_maps class.
8257         (Output_section:::add_script_input_section): Adjust code to use
8258         Output_section_lookup_maps class.  Update lookup maps for merge
8259         sections also.
8260         (Output_section::discard_states): Use Output_section_lookup_maps.
8261         (Output_section::restore_states): Same.
8262         * output.h (Merge_section_properties): Move class defintion out of
8263         Output_section.
8264         (Output_section_lookup_maps): New class.
8265         (Output_section::Input_section::is_merge_section): New method
8266         defintion.
8267         (Output_section::Input_section::relobj): Move defintion out of class
8268         defintion.  Declare method only.
8269         (Output_section::Input_section::shndx): Ditto.
8270         (Output_section::Input_section::output_merge_base): New method defintion.
8271         (Output_section::Input_section::u2_.pomb): New union field.
8272         (Output_section::Merge_section_by_properties_map,
8273         Output_section::Output_section_data_by_input_section_map,
8274         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
8275         Remove types.
8276         (Output_section::add_merge_input_section): Add new parameter
8277         KEEPS_INPUT_SECTIONS.
8278         (Output_section::build_lookup_maps): New method declaration.
8279         (Output_section::merge_section_map_,
8280         Output_section::merge_section_by_properties_map_,
8281         Output_section::relaxed_input_section_map_,
8282         Output_section::is_relaxed_input_section_map_valid_): Remove data
8283         members.
8284         (Output_section::lookup_maps_): New data member.
8285
8286 2010-05-21  Doug Kwan  <dougkwan@google.com>
8287
8288         PR gold/11619
8289         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
8290         avoid a compilation error.
8291
8292 2010-05-19  Rafael Espindola  <espindola@google.com>
8293
8294         * script-sections.cc (Output_section_definition::allocate_to_segment):
8295         Update the phdrs_list even when the output section is NULL.
8296         * testsuite/Makefile.am: Add test.
8297         * testsuite/Makefile.in: Regenerate.
8298         * testsuite/script_test_9.cc: New.
8299         * testsuite/script_test_9.sh: New.
8300         * testsuite/script_test_9.t: New.
8301
8302 2010-05-19  Doug Kwan  <dougkwan@google.com>
8303
8304         * arm.cc (Arm_input_section::original_size): New method.
8305         (Arm_input_section::do_addralign): Add a cast.
8306         (Arm_input_section::do_output_offset): Remove static cast.
8307         (Arm_input_section::original_addralign,
8308          Arm_input_section::original_size_): Change type to uint32_t.
8309         (Arm_input_section::init): Add safe casts for section alignment
8310         and size.
8311         (Arm_input_section::set_final_data_size): Do not set address and
8312         offset of stub table.
8313         (Arm_output_section::fix_exidx_coverage): Change use of of
8314         Output_section::Simple_input_section to that of
8315         Output_section::Input_section.
8316         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
8317         except for the first pass.
8318         * output.cc (Output_section::get_input_sections): Change type of
8319         input_sections to std::list<Input_section>.
8320         (Output_section::add_script_input_section): Rename from
8321         Output_section::add_simple_input_section.  Change type of SIS
8322         parameter from Simple_input_section to Input_section.
8323         * output.h (Output_section::Simple_input_section): Remove class.
8324         (Output_section::Input_section): Change class visibility to public.
8325         (Output_section::Input_section::addralign): Use stored alignments
8326         for special input sections if set.
8327         (Output_section::Input_section::set_addralign): New method.
8328         (Output_section::get_input_sections): Change parameter type from
8329         list of Simple_input_section to list of Input_section.
8330         (Output_section::add_script_input_section): Rename from
8331         Output_section::add_simple_input_section. Change first parameter's
8332         type from Simple_input_section to Input_section and remove the
8333         second and third parameters.
8334         * script-sections.cc (Input_section::Input_section_list): Change
8335         type to list of Output_section::Input_section/
8336         (Input_section_info::Input_section_info): Change parameter type of
8337         INPUT_SECTION to Output_section::Input_section.
8338         (Input_section_info::input_section): Change return type.
8339         (Input_section_info::input_section_): Change type to
8340         Output_section::Input_section.
8341         (Output_section_element_input::set_section_addresses): Adjust code
8342         to use Output_section::Input_section instead of
8343         Output_section::Simple_input_section.  Adjust code for renaming
8344         of Output_section::add_simple_input_section.
8345         (Orphan_output_section::set_section_addresses): Ditto.
8346
8347 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8348
8349         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
8350         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
8351
8352 2010-05-18  Rafael Espindola  <espindola@google.com>
8353
8354         * options.cc (General_options::finalize): Handle -nostdlib.
8355         * options.h (nostdlib): New option.
8356         * script.cc (script_add_search_dir): Handle -nostdlib.
8357
8358 2010-05-12  Doug Kwan  <dougkwan@google.com>
8359
8360         * arm.cc (Target_arm::do_finalize_sections): Create an empty
8361         attributes section only if there no attributes section after merging.
8362         (Target_arm::merge_object_attributes): Move value of
8363         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
8364         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
8365         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
8366         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
8367         and arm_attr_merge_7.stdout.
8368         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
8369         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
8370         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
8371         arm_attr_merge_7b.o): New rules.
8372         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
8373         arm_attr_merge_7
8374         * testsuite/Makefile.in: Regenerate.
8375         * testsuite/arm_attr_merge.sh: New file.
8376         * testsuite/arm_attr_merge_[67][ab].s: Same.
8377
8378 2010-05-05  Nick Clifton  <nickc@redhat.com>
8379
8380         * po/es.po: Updated Spanish translation.
8381
8382 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
8383
8384         * Makefile.am (install-exec-local): Properly install gold as
8385         default cross linker.
8386         * Makefile.in: Regenerated.
8387
8388 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
8389             Nick Clifton  <nickc@redhat.com>
8390
8391         * configure.ac (install_as_default): Define and set to false
8392         unless --enable-gold or --enable-gold=both/gold has been
8393         specified.
8394         * configure: Regenerate.
8395
8396         * Makefile.am (install-exec-local): Install the executable as
8397         'ld.gold'.  If install_as_default is true then also install it as
8398         'ld'.
8399         * Makefile.in: Regenerated.
8400
8401 2010-04-24  Ian Lance Taylor  <iant@google.com>
8402
8403         * layout.cc (Layout::layout_reloc): In relocatable link don't
8404         combine reloc sections for grouped sections.
8405
8406 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
8407
8408         * gc.h (gc_process_relocs): Pass information on relocs pointing to
8409         sections that are not ordinary to icf.
8410         * icf.cc (get_section_contents): Handle relocation pointing to section
8411         with no object or shndx information.
8412         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
8413         * testsuite/Makefile.in: Regenerate.
8414         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
8415         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
8416
8417 2010-04-22  Ian Lance Taylor  <iant@google.com>
8418
8419         * expression.cc (Expression::Expression_eval_info): Add
8420         result_alignment_pointer field.
8421         (Expression::eval_with_dot): Add result_alignment_pointer
8422         parameter.  Change all callers.
8423         (Expression::eval_maybe_dot): Likewise.
8424         (class Binary_expression): Add alignment_pointer parameter to
8425         left_value and right_value.  Change all callers.
8426         (BINARY_EXPRESSION): Set result alignment.
8427         (class Trinary_expression): Add alignment_pointer parameter to
8428         arg2_value and arg3_value.  Change all callers.
8429         (Trinary_cond::value): Set result alignment.
8430         (Max_expression::value, Min_expression::value): Likewise.
8431         (Align_expression::value): Likewise.
8432         * script-sections.cc (class Sections_element): Add dot_alignment
8433         parameter to set_section_addresses virtual function.  Update
8434         instantiations.
8435         (class Output_section_element): Likewise.
8436         (Script_sections::create_segments): Add dot_alignment parameter.
8437         Change all callers.
8438         (Script_sections::create_segments_from_phdrs_clause): Likewise.
8439         (Script_sections::set_phdrs_clause_addresses): Likewise.
8440         * script-sections.h: Update declarations.
8441         * script.h: Update declarations.
8442         * output.h (Output_segment::set_minimum_p_align): Don't decrease
8443         min_p_align.
8444         * testsuite/script_test_3.t: Set large alignment.
8445         * testsuite/script_test_3.sh: Make sure that at least one LOAD
8446         segment has expected alignment.
8447
8448 2010-04-22  Nick Clifton  <nickc@redhat.com>
8449
8450         * po/gold.pot: Updated by the Translation project.
8451         * po/vi.po: Updated Vietnamese translation.
8452
8453 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
8454
8455         * testsuite/Makefile.am (check_PROGRAMS): Add
8456         icf_virtual_function_folding_test.
8457         * testsuite/Makefile.in: Regenerated.
8458
8459 2010-04-15  Andrew Haley  <aph@redhat.com>
8460
8461         * options.h (merge_exidx_entries): New option.
8462         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
8463         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
8464         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
8465         (Target_arm::merge_exidx_entries): New function.
8466         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
8467         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
8468         to Arm_exidx_fixup constructor.
8469         Add new arg, merge_exidx_entries.
8470         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
8471         Arm_output_section::fix_exidx_coverage.
8472
8473 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
8474
8475         * icf.cc (get_section_contents): Check for preemptible functions.
8476         Ignore addend when appropriate.
8477         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
8478         section folded.
8479         (add_from_relobj): Check for section folded.
8480         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
8481         * symtab.h (should_add_dynsym_entry): Add new parameter.
8482         * target-reloc.h (scan_relocs): Check for section folded.
8483         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
8484         Check reloc types for function pointers in shared objects.
8485         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
8486         case.
8487         (icf_preemptible_functions_test): New test case.
8488         (icf_string_merge_test): New test case.
8489         * testsuite.Makefile.in: Regenerate.
8490         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
8491         bar_glob.  Refactor code.
8492         * testsuite/icf_preemptible_functions_test.cc: New file.
8493         * testsuite/icf_preemptible_functions_test.sh: New file.
8494         * testsuite/icf_string_merge_test.cc: New file.
8495         * testsuite/icf_string_merge_test.sh: New file.
8496         * testsuite/icf_virtual_function_folding_test.cc: New file.
8497         * testsuite/icf_virtual_function_folding_test.sh: New file.
8498
8499 2010-04-14  Doug Kwan  <dougkwan@google.com>
8500
8501         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
8502         for local symbol recounting if we remove a section due to ICF.
8503         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
8504         there are no regular objects in input.
8505
8506 2010-04-13  Doug Kwan  <dougkwan@google.com>
8507
8508         * arm.cc (Arm_input_section::set_final_data_size): Compute
8509         accurate final data size instead of using current data size.
8510
8511 2010-04-09  Doug Kwan  <dougkwan@google.com>
8512
8513         * layout.cc (Layout::choose_output_section): Handle script section
8514         types.
8515         (Layout::make_output_section_for_script): Add section type parameter.
8516         Handle script section types.
8517         * layout.h (Layout::make_output_section_for_script): Add section
8518         type parameter.
8519         * output.cc (Output_section::Output_section): Initialize data member
8520         is_noload_.
8521         (Output_section::do_reset_address_and_file_offset): Do not set address
8522         to 0 if section is a NOLOAD section.
8523         * output.h (Output_section::is_noload): New method.
8524         (Output_section::set_is_noload): Ditto.
8525         (Output_section::is_noload_): New data member.
8526         * script-c.h (Script_section_type): New enum type.
8527         (struct Parser_output_section_header): Add new file section_type.
8528         * script-sections.cc (Sections_element::output_section_name): Add
8529         parameter for returning script section type.
8530         (Output_section_definition::output_section_name): Ditto.
8531         (Output_section_definition::section_type)P; New method.
8532         (Output_section_definiton::script_section_type_name): Ditto.
8533         (Output_section_definition::script_section_type_): New data member.
8534         (Output_section_definition::Output_section_definition): Initialize
8535         data member Output_section_definition::script_section_type_.
8536         (Output_section_definition::create_sections): Pass script section type
8537         to Layout::make_output_section_for_script.
8538         (Output_section_definition::output_section_name): Return script
8539         section type to caller.
8540         (Output_section_definition::set_section_address): Do not advance
8541         dot value and load address if section type is NOLOAD.  Set address
8542         of NOLOAD sections regardless of section flags.
8543         (Output_section_definition::print): Print section type if it is
8544         not SCRIPT_SECTION_TYPE_NONE.
8545         (Output_section_definition::section_type): New method.
8546         (Output_section_definition::script_section_type_name): Ditto.
8547         (Script_sections::output_section_name): Add new parameter
8548         PSECTION_TYPE for returning script section type.  Pass it to
8549         section elements.  Handle discard sections.
8550         (Sort_output_sections::operator()): Handle NOLOAD sections.
8551         * script-sections.h (Script_sections::Section_type): New enum type.
8552         (Script_sections::output_section_name): Add a new parameter for
8553         returning script section type.
8554         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
8555         INFO and NOLOAD.
8556         * yyscript.y (union): Add new field SECTION_TYPE.
8557         (COPY, DSECT, INFO, NOLOAD): New tokens.
8558         (opt_address_and_section_type): Change type to output_section_header.
8559         (section_type): New non-terminal
8560         (section_header): Handle section type.
8561         (opt_address_and_section_type): Return section type value.
8562
8563 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
8564
8565         * testsuite/plugin_common_test_1.c (foo): Add prototype.
8566         * testsuite/plugin_common_test_2.c (foo): Likewise.
8567
8568 2010-04-08  Doug Kwan  <dougkwan@google.com>
8569
8570         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
8571         Output_merge_data.
8572         * output.cc (Output_section::add_merge_input_section): Simplify
8573         code and return status of Output_merge_base::add_input_section.
8574         Update merge section map only if Output_merge_base::add_input_section
8575         returns true.
8576
8577 2010-04-07  Doug Kwan  <dougkwan@google.com>
8578
8579         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
8580         if section is marked as containing instructions but has no mapping
8581         symbols.
8582         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
8583         correct section index.
8584         (Arm_relobj::find_linked_text_section): Ditto.
8585
8586 2010-04-07  Cary Coutant  <ccoutant@google.com>
8587
8588         * archive.cc (include_member): Destroy Read_symbols_data object before
8589         releasing file.
8590         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
8591         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
8592         (Read_symbols_data::~Read_symbols_data) New destructor.
8593         (Section_relocs::Section_relocs) New constructor.
8594         (Section_relocs::~Section_relocs) New destructor.
8595         (Read_relocs_data::Read_relocs_data) New constructor.
8596         (Read_relocs_data::~Read_relocs_data) New destructor.
8597         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
8598         pointers to NULL after deleting.
8599
8600 2010-04-07  Doug Kwan  <dougkwan@google.com>
8601
8602         * arm.cc: Replace "endianity" with "endianness" in comments.
8603         (Arm_exidx_cantunwind): Ditto.
8604         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
8605         (Arm_relobj::merge_flags_and_attributes): New method.
8606         (Arm_relobj::merge_flags_and_attributes_): New data member.
8607         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
8608         (Arm_relobj::scan_sections_for_stubs): Ditto.
8609         (Arm_relobj::do_read_symbols): Check to see if we really want to
8610         merge processor-specific flags and attributes.  Exit early if
8611         an object is empty except for section names and the undefined symbol.
8612         (Target_arm::do_finalize_sections): Move check for ELF format to
8613         Arm_relobj::do_read_symbols.  Merge processor specific flags and
8614         attributes from a regular object only when we have determined that
8615         it is aapropriate.  Do not create an .ARM.attributes section in
8616         output if there is no regular input object.
8617         (Target_arm::merge_processor_specific_flags): Check
8618         --warn-mismatch before printing any error.
8619         (Target_arm::merge_object_attributes): Ditto.
8620         * gold.cc (queue_middle_tasks): Handle the case in which there is
8621         no regular object in input.
8622         * options.cc (General_options::parse_EB): New method.
8623         (General_options::parse_EL): Same.
8624         (General_options::General_options): Initialize endianness_.
8625         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
8626         New options.
8627         (General_options::Endianness): New enum.
8628         (General_options::endianness): New method.
8629         (General_options::endianness_): New data member.
8630         * parameters.cc (Parameters::set_options): Check target endianness.
8631         (Parameters::set_target_once): Ditto.
8632         (Parameters::check_target_endianness): New method.
8633         (parameters_force_valid_target): If either -EL or -EB is specified,
8634         use it to define endianness of default target.
8635         * parameters.h (Parameters::check_target_endianness): New method
8636         declaration.
8637         * target.h (class Target): Change "endianity" to "endianness"
8638         in comments.
8639
8640 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8641
8642         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
8643         * configure: Regenerate.
8644         * Makefile.in: Regenerate.
8645         * testsuite/Makefile.in: Regenerate.
8646
8647 2010-04-06  Cary Coutant  <ccoutant@google.com>
8648
8649         gcc PR lto/42757
8650         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
8651         prevailing definitions of common symbols.
8652         * testsuite/plugin_test_6.sh: New test case.
8653         * testsuite/plugin_common_test_1.c: New test case.
8654         * testsuite/plugin_common_test_2.c: New test case.
8655         * testsuite/Makefile.am (plugin_test_6): New test case.
8656         * testsuite/Makefile.in: Regenerate.
8657
8658 2010-04-06  Nick Clifton  <nickc@redhat.com>
8659
8660         * po/vi.po: New Vietnamese translation.
8661
8662 2010-03-30  Doug Kwan  <dougkwan@google.com>
8663
8664         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
8665
8666 2010-03-25  Doug Kwan  <dougkwan@google.com>
8667
8668         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
8669         to avoid a conversion warning on a 32-bit host.
8670
8671 2010-03-24  Ian Lance Taylor  <iant@google.com>
8672
8673         * testsuite/script_test_3.t: Add a TLS segment.
8674         * testsuite/Makefile.am (check_PROGRAMS): Add
8675         tls_phdrs_script_test.
8676         (tls_phdrs_script_test_SOURCES): Define.
8677         (tls_phdrs_script_test_DEPENDENCIES): Define.
8678         (tls_phdrs_script_test_LDFLAGS): Define.
8679         (tls_phdrs_script_test_LDADD): Define.
8680         * testsuite/Makefile.in: Rebuild.
8681
8682 2010-03-23  Cary Coutant  <ccoutant@google.com>
8683
8684         * fileread.cc (find_or_make_view): Fix comment.
8685
8686 2010-03-23  Ian Lance Taylor  <iant@google.com>
8687
8688         * script-sections.cc (class Orphan_section_placement): Define
8689         PLACE_TLS and PLACE_TLS_BSS.
8690         (Orphan_section_placement::Orphan_section_placement): Initialize
8691         new places.
8692         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
8693         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
8694         (tls_script_test_SOURCES): Define.
8695         (tls_script_test_DEPENDENCIES): Define.
8696         (tls_script_test_LDFLAGS): Define.
8697         (tls_script_test_LDADD): Define.
8698         * testsuite/Makefile.in: Rebuild.
8699
8700 2010-03-22  Doug Kwan  <dougkwan@google.com>
8701
8702         * arm.cc (Arm_relocate_functions::abs8,
8703         Arm_relocate_functions::abs16): Use correct check for overflow
8704         specified in the ARM ELF specs.
8705         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
8706         target of a BLX instruction specially.
8707         (Reloc_stub::stub_type_for_reloc): Ditto.
8708         (Relocate::relocate): Use symbolic names instead of numeric relocation
8709         codes to report error.
8710         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
8711         workaround.
8712         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
8713         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
8714         thumb2_blx_out_of_range.stdout
8715         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
8716         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
8717         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
8718         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
8719         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
8720         thumb2_blx_in_range, thumb2_blx_in_range.o,
8721         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
8722         thumb2_blx_out_of_range.o): New rules.
8723         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
8724         thumb2_blx_in_range and thumb2_blx_out_of_range.
8725         * testsuite/Makefile.in: Regenerate.
8726         * arm_branch_in_range.sh: Add tests for THUMB BLX.
8727         * testsuite/thumb_blx_in_range.s: New file.
8728         * testsuite/thumb_blx_out_of_range.s: New file.
8729
8730 2010-03-22  Rafael Espindola  <espindola@google.com>
8731
8732         * archive.cc (Should_include): Move to archive.h.
8733         (should_include_member): Make it a member of Archive.
8734         (Lib_group): New.
8735         (Add_lib_group_symbols): New.
8736         * archive.h: Include options.h.
8737         (Archive_member): Moved from Archive.
8738         (Should_include): Moved from archive.cc.
8739         (Lib_group): New.
8740         (Add_lib_group_symbols): New.
8741         * dynobj.cc (do_should_include_member): New.
8742         * dynobj.h (do_should_include_member): New.
8743         * gold.cc (queue_initial_tasks): Update call to queue.
8744         * main.cc (main): Print lib group stats.
8745         * object.cc (do_should_include_member): New.
8746         * object.h: Include archive.h.
8747         (Object::should_include_member): New.
8748         (Object::do_should_include_member): New.
8749         (Sized_relobj::do_should_include_member): New.
8750         * options.cc (General_options::parse_start_lib): New.
8751         (General_options::parse_end_lib): New.
8752         (Input_arguments::add_file): Handle lib groups.
8753         (Input_arguments::start_group): Check we are not in a lib.
8754         (Input_arguments::start_lib): New.
8755         (Input_arguments::end_lib): New.
8756         * options.h (General_options): Add start_lib and end_lib.
8757         (Input_argument::lib_): New.
8758         (Input_argument::lib): New.
8759         (Input_argument::is_lib): New.
8760         (Input_file_lib): New.
8761         (Input_arguments::in_lib_): New.
8762         (Input_arguments::in_lib): New.
8763         (Input_arguments::start_lib): New.
8764         (Input_arguments::end_lib_): New.
8765         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
8766         in unused members as preempted.
8767         (Sized_pluginobj::do_should_include_member): New.
8768         * plugin.h (Sized_pluginobj::do_should_include_member): New.
8769         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
8770         return the blocker.
8771         (Read_symbols::do_whole_lib_group): New.
8772         (Read_symbols::do_lib_group): New.
8773         (Read_symbols::do_read_symbols): Handle lib groups.
8774         (Read_symbols::get_name): Handle lib groups.
8775         * readsyms.h (Read_symbols): Add an archive member pointer.
8776         (Read_symbols::do_whole_lib_group): New.
8777         (Read_symbols::do_lib_group): New.
8778         (Read_symbols::member_): New.
8779         * script.cc (read_input_script): Update call to queue_soon.
8780
8781 2010-03-19  Doug Kwan  <dougkwan@google.com>
8782
8783         * arm.cc (Stub_table::Stub_table): Initialize new data members
8784         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
8785         (Stub_table::add_reloc_stub): Assign stub offset and update
8786         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
8787         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
8788         New data members.
8789         (Stub_table::update_data_size_and_addralign): Use
8790         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
8791         instead of going over all reloc stubs.
8792         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
8793         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
8794         Stringpool_template::offset_ to size of Stringpool_char.
8795         (Stringpool_template::new_key_offset): Remove code to initialize
8796         Stringpool_template::offset_.
8797         * stringpool.h (Stringpool_template::set_no_zero_null): Set
8798         Stringpool_template::offset_ to zero.
8799
8800 2010-03-15  Doug Kwan  <dougkwan@google.com>
8801
8802         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
8803         offset_.
8804         (Stringpool_template::new_key_offset): New method.
8805         (Stringpool_template::add_string): Assign offsets when adding new
8806         strings.
8807         (Stringpool_template::set_string_offsets): Do not set string offsets
8808         when not optimizing.
8809         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
8810         member size_.
8811         (Chunked_vector::clear): Clear size_.
8812         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
8813         (Chunked_vector::size): Return size_.
8814         (Chunked_vector::push_back): Use size_ to find insert position.
8815         (Chunked_vector::size_): New data member.
8816         (Stringpool_template::set_no_zero_null): Assert string set is empty.
8817         (Stringpool_template::new_key_offset): New method declaration.
8818         (Stringpool_template::offset_): New data member.
8819
8820 2010-03-15   Rafael Espindola  <espindola@google.com>
8821
8822         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
8823         Add_symbols' constructor.
8824         * readsyms.h (Add_symbols): Remove the input_group member.
8825
8826 2010-03-10  Ian Lance Taylor  <iant@google.com>
8827
8828         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
8829         target to ask whether a reference to a symbol requires a stack
8830         split.
8831         * target.h (Target::is_call_to_non_split): New function.
8832         (Target::do_is_call_to_non_split): Declare virtual function.
8833         * target.cc: Include "symtab.h".
8834         (Target::do_is_call_to_non_split): New function.
8835         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
8836
8837 2010-03-10  Cary Coutant  <ccoutant@google.com>
8838
8839         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
8840         (File_read::open[1]): Remove initial mapping of whole_file_view_.
8841         (File_read::open[2]): Add whole_file_view_ to list of views.
8842         (File_read::make_view): Remove test of whole_file_view_.
8843         (File_read::find_or_make_view): Create whole_file_view_ if
8844         necessary.
8845         (File_read::clear_views): Replace bool parameter with enum;
8846         adjust all callers.  Don't delete views with permanent data;
8847         do delete cached views and views from archives if
8848         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
8849         if clearing the corresponding view.
8850         * fileread.h (File_read::Clear_views_mode): New enum.
8851         (File_read::View::is_permanent_view): New method.
8852         (File_read::clear_views): Replace bool parameter
8853         with enum; adjust all callers.
8854         * options.h (General_options): Change keep_files_mapped option;
8855         add map_whole_files.
8856         * readsyms.cc (Add_symbols::run): Delete sd_ object before
8857         releasing the file.
8858         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
8859         the file.
8860
8861 2010-03-10  David S. Miller  <davem@davemloft.net>
8862
8863         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
8864
8865 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
8866
8867         * icf.cc (get_section_contents): Add '@' marker after processing the
8868         merge reloc.
8869
8870 2010-03-08  Doug Kwan  <dougkwan@google.com>
8871
8872         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
8873         due to a conversion warning.
8874         (Arm_relobj::update_output_local_symbol_count): Check for local
8875         symbol with unset output index.
8876
8877 2010-03-05  Ian Lance Taylor  <iant@google.com>
8878
8879         * options.h (class General_options): Add --spare-dynamic-tags.
8880         * output.cc (Output_data_dynamic::set_final_data_size): Implement
8881         --spare-dynamic-tags.
8882
8883 2010-03-05  Ian Lance Taylor  <iant@google.com>
8884
8885         * incremental.cc: Include "libiberty.h".
8886
8887 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8888
8889         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
8890         function, is_info_ member.
8891         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
8892         (Versions::Versions): Update caller.
8893         (Versions::define_base_version): Likewise.
8894         (Versions::add_def): Likewise.
8895
8896 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
8897
8898         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
8899         (Scan::possible_function_pointer_reloc): New function.
8900         (Scan::local_reloc_may_be_function_pointer): Change to call
8901         possible_function_pointer_reloc.
8902         (Scan::global_reloc_may_be_function_pointer): Ditto.
8903         * icf.h (Icf::check_section_for_function_pointers): Change to reject
8904         relocations in ".data.rel.ro._ZTV" section.
8905         * testsuite/icf_safe_so_test.sh: Change to pass i386.
8906         * testsuite/icf_safe_so_test.cc: Ditto.
8907         * testsuite/icf_safe_test.cc: Ditto.
8908         * testsuite/icf_safe_test.sh: Ditto.
8909
8910 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8911             Ian Lance Taylor  <iant@google.com>
8912
8913         * target-reloc.h (relocate_section): Check the symbol table index
8914         for -1U before setting the local symbol index.
8915         (scan_relocatable_relocs): If copying the relocation, record that
8916         the local symbol is required.
8917         * object.h (Symbol_value::is_output_symtab_index_set): New
8918         function.
8919         (Symbol_value::may_be_discarded_from_output_symtab): New
8920         function.
8921         (Symbol_value::has_output_symtab_entry): New function.
8922         (Symbol_value::needs_output_symtab_entry): Remove.
8923         (Symbol_value::output_symtab_index): Make sure the symbol index is
8924         set.
8925         (Symbol_value::set_output_symtab_index): Make sure the symbol
8926         index is not set.  Make sure the new index is valid.
8927         (Symbol_value::set_must_have_output_symtab_entry): New function.
8928         (Symbol_value::has_output_dynsym_entry): New function.
8929         (Symbol_value::set_output_dynsym_index): Make sure the new index
8930         is valid.
8931         (Sized_relobj::set_must_have_output_symtab_entry): New function.
8932         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
8933         local symbol if permitted.
8934         (Sized_relobj::do_finalize_local_symbols): Call
8935         is_output_symtab_index_set rather than needs_output_symtab_entry.
8936         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
8937         rather than needs_output_symtab_entry.  Call
8938         has_output_dynsym_entry rather than needs_output_dynsym_entry.
8939         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
8940         is_output_symtab_index_set rather than needs_output_symtab_entry.
8941         * testsuite/discard_locals_relocatable_test.c: New file.
8942         * testsuite/discard_locals_test.sh: Test -r.
8943         * testsuite/Makefile.am (check_DATA): Add
8944         discard_locals_relocatable_test1.syms,
8945         discard_local_relocatable_test2.syms.
8946         (MOSTLYCLEANFILES): Likewise.  Also add
8947         discard_locals_relocatable_test1.lout and
8948         discard_locals_relocatable_test2.out.
8949         (discard_locals_relocatable_test1.syms): New target.
8950         (discard_locals_relocatable_test.o): New target.
8951         (discard_locals_relocatable_test1.out): New target.
8952         (discard_locals_relocatable_test2.syms): New target.
8953         (discard_locals_relocatable_test2.out): New target.
8954         (various): Add missing ../ld-new dependencies.
8955         * testsuite/Makefile.in: Rebuild.
8956
8957 2010-03-03  Nick Clifton  <nickc@redhat.com>
8958
8959         * po/fi.po: New Finnish translation.
8960
8961 2010-03-01  Doug Kwan  <dougkwan@google.com>
8962
8963         * layout.cc (Layout::Layout): Force section types of .init_array*,
8964         .preinit_array* and .fini_array* sections.
8965         * output.cc (Output_section::Input_section_sort_entry::has_priority):
8966         Fix check of return value of std::string::find.().
8967         (Output_section::Input_section_sort_compare::operator()): Remove
8968         comment about .init_array.
8969         (Output_section::Input_section_sort_init_fini_compare::operator()):
8970         New method.
8971         (Output_section::sort_attached_input_sections): Handle .init_array
8972         and .fini_array specially.
8973         * output.h (Output_section::Inut_section_sort_compare): Update
8974         comment.
8975         (Output_section::Input_section_sort_init_fini_compare): New struct.
8976
8977 2010-02-26  Doug Kwan  <dougkwan@google.com>
8978
8979         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
8980         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
8981         * testsuite/debug_msg.sh: Avoid matching source line number for
8982         use of global variable undef_int.
8983
8984 2010-02-26  Doug Kwan  <dougkwan@google.com>
8985
8986         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
8987         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
8988         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
8989         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
8990         * options.cc (General_options::General_options): Initialize member
8991         fix_v4bx_.
8992         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
8993         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
8994         and rm_no_fix_v4bx.stdout
8995         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
8996         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
8997         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
8998         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
8999         and arm_no_fix_v4bx.
9000         * Makefile.in: Regenerate.
9001         * testsuite/arm_fix_v4bx.s: New file.
9002         * testsuite/arm_fix_v4bx.sh: Ditto.
9003
9004 2010-02-24  Doug Kwan  <dougkwan@google.com>
9005
9006         * arm.cc (Target_arm::got_section): Make the .got section the first
9007         non RELRO section in the data segment.
9008         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
9009         suffixes of section names.
9010
9011 2010-02-24  Doug Kwan  <dougkwan@google.com>
9012
9013         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
9014         flags and attributes merging if an input file is a binary file.
9015         * fileread.cc (Input_file::open): Record format of original file.
9016         * fileread.h (Input_file::Format): New enum type.
9017         (Input_file::Input_file): Initialize data member format_.
9018         (Input_file::format): New method definition.
9019         (Input_file::format_):: New data member.
9020
9021 2010-02-24  Doug Kwan  <dougkwan@google.com>
9022
9023         * arm.cc (Arm_output_data_got): New class.
9024         (ARM_TCB_SIZE): New constant
9025         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
9026         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
9027         If user uses a script with a SECTIONS clause, issue only a warning
9028         for a misplaced EXIDX input section.  Otherwise, issue an error.
9029         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
9030         garbage collection.
9031         (Target_arm::got_mode_index_entry): Handle static linking.
9032         (Target_arm::Scan::local): Ditto.
9033         (Target_arm::Scan::global): Ditto.
9034         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
9035         all incorrectly implemented relocations.
9036         (Target_arm::fix_exidx_coverage): Pass layout to
9037         Arm_output_section::fix_exidx_coverage.
9038         * layout.cc (Layout::section_name_mapping): Remove trailing dots
9039         from ".ARM.exidx." and ".ARM.extab.".
9040
9041 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9042
9043         * arm.cc (Target_arm::do_finalize_sections): Create attribute
9044         section if it does not already exist.
9045         * attributes.cc (Attributes_section_data::Attributes_section_data):
9046         Don't crash if size is zero.
9047
9048 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9049             Ian Lance Taylor  <iant@google.com>
9050
9051         * gold.cc (queue_middle_tasks): If no input files were opened,
9052         exit.
9053         * workqueue.h (Task_function::Task_function): Assert that there is
9054         a blocker.
9055
9056 2010-02-22  Doug Kwan  <dougkwan@google.com>
9057
9058         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
9059         * icf.cc (get_section_contents): Cast snprintf arguments to long long
9060         types to avoid warnings due to different uint64_t implementations
9061         on different hosts.
9062
9063 2010-02-21  Doug Kwan  <dougkwan@google.com>
9064
9065         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
9066         handling of the maximum backward branch offset.
9067         (Arm_relocate_functions::thumb_branch_common): Ditto.
9068         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
9069         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
9070         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
9071         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
9072         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
9073         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
9074         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
9075         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
9076         thumb_bl_out_of_range thumb_bl_out_of_range.o,
9077         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
9078         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
9079         thumb2_bl_out_of_range.o): New rules.
9080         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
9081         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
9082         thumb2_bl_out_of_range
9083         * testsuite/Makefile.in: Regenerate.
9084         * testsuite/arm_bl_in_range.s: New file.
9085         * testsuite/arm_bl_out_of_range.s: Ditto.
9086         * testsuite/arm_branch_in_range.sh: Ditto.
9087         * testsuite/arm_branch_range.t: Ditto.
9088         * testsuite/thumb2_branch_range.t: Ditto.
9089         * testsuite/thumb_bl_in_range.s: Ditto.
9090         * testsuite/thumb_bl_out_of_range.s: Ditto.
9091         * testsuite/thumb_branch_range.t: Ditto.
9092
9093 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
9094
9095         * gc.h (gc_process_relocs): Change vectors to point to the new list.
9096         Add reloc offset information.
9097         * icf.cc (get_section_contents): Change iterators to point to the new
9098         vectors. Add reloc offset information to the contents.
9099         * icf.h (Icf::Sections_reachable_info): New typedef.
9100         (Icf::Sections_reachable_list): New typedef.
9101         (Icf::Offset_info): New typedef.
9102         (Icf::Reloc_info): New struct typedef.
9103         (Icf::Reloc_info_list): New typedef.
9104         (Icf::symbol_reloc_list): Delete method.
9105         (Icf::addend_reloc_list): Delete method.
9106         (Icf::section_reloc_list): Delete method.
9107         (Icf::reloc_info_list): New method.
9108         (Icf::reloc_info_list_): New member.
9109
9110 2010-02-19  Doug Kwan  <dougkwan@google.com>
9111
9112         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
9113         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
9114         * arm.cc (Arm_relocation_functions): New forward declaration.
9115         (Target_arm::Target_arm): Initialize new data members
9116         got_mod_index_offset_ and tls_base_symbol_defined_.
9117         (Target_arm::Relocate::relocate_tls): New method.
9118         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
9119          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
9120         New methods.
9121         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
9122         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
9123         (Target_arm::got_mod_index_offset_,
9124         Target_arm::tls_base_symbol_defined_): New data members.
9125         (Target_arm::Scan::local, Target::Scan::global,
9126         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
9127         relocations.
9128
9129 2010-02-18  Doug Kwan  <dougkwan@google.com>
9130
9131         * arm.cc (Arm_relobj::find_linked_text_section): New method.
9132         (Arm_relobj::make_exidx_input_section): Pass section index of linked
9133         text section as a parameter becuase some broken tools may not set
9134         the link in section header.
9135         (Target_arm::has_got_section): New method.
9136         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
9137         without any mapping symbol as data only.  Remove warning.
9138         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
9139         link in its section header, try to discover the link by inspecting the
9140         REL31 relocation at the beginning of the section.
9141         (Target_arm::Scan::check_non_pic): Report name of offending relocation
9142         in error message.
9143         (Target_arm::Scan::global): Treat any reference to the symbol
9144         _GLOBAL_OFFSET_TABLE_ as a GOT access.
9145
9146 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
9147
9148         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
9149         (Scan::global_reloc_may_be_function_pointer): New function.
9150         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
9151         (Scan::global_reloc_may_be_function_pointer): New function.
9152         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
9153         (Scan::global_reloc_may_be_function_pointer): New function.
9154         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
9155         (Scan::global_reloc_may_be_function_pointer): New function.
9156         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
9157         (Scan::global_reloc_may_be_function_pointer): New function.
9158         (Scan::possible_function_pointer_reloc): New function.
9159         (Target_x86_64::can_check_for_function_pointers): New function.
9160         * gc.h (gc_process_relocs): Scan relocation types to determine if
9161         function pointers were taken for targets that support it.
9162         * icf.cc (Icf::find_identical_sections): Include functions for
9163         folding in safe ICF whose pointer is not taken.
9164         * icf.h (Secn_fptr_taken_set): New typedef.
9165         (fptr_section_id_): New member.
9166         (section_has_function_pointers): New function.
9167         (set_section_has_function_pointers): New function.
9168         (check_section_for_function_pointers): New function.
9169         * options.h: Fix comment for safe ICF option.
9170         * target.h (can_check_for_function_pointers): New function.
9171         * testsuite/Makefile.am: Add icf_safe_so_test test case.
9172         Modify icf_safe_test for X86-64.
9173         * testsuite/Makefile.in: Regenerate.
9174         * testsuite/icf_safe_so_test.cc: New file.
9175         * testsuite/icf_safe_so_test.sh: New file.
9176         * testsuite/icf_safe_test.cc (kept_func_3): New function.
9177         (main): Change to take pointer to function kept_func_3.
9178         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
9179         folding is done correctly for X86-64.
9180
9181 2010-02-12  David S. Miller  <davem@davemloft.net>
9182
9183         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
9184         is_symbolless parameter.
9185         (Output_reloc<SHT_REL>::is_symbolless): New.
9186         (Output_reloc<SHT_REL>::is_symbolless_): New.
9187         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
9188         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
9189         (Output_reloc<SHT_RELA>::is_symbolless): New.
9190         (Output_data_reloc::add_global): Handle is_symbolless.
9191         (Output_data_reloc::add_global_relative): Likewise.
9192         (Output_data_reloc::add_local): Likewise.
9193         (Output_data_reloc::add_local_relative): Likewise.
9194         (Output_data_reloc::add_symbolless_global_addend): New.
9195         (Output_data_reloc::add_symbolless_local_addend): New.
9196         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
9197         is_symbolless.
9198         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
9199         instead of ->is_relative_
9200         (Output_reloc::write): Likewise.
9201         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
9202         (Output_reloc::write_rel): Simplify.
9203
9204         * sparc.cc (Target_sparc::Scan::local): Use
9205         ->add_symbolless_local_addend as needed.
9206         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
9207         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
9208         based upon relocation offset.
9209
9210 2010-02-11  Doug Kwan  <dougkwan@google.com>
9211
9212         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
9213         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
9214         beginning of function.
9215         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
9216         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
9217         parameter is_32bit in calls to should_apply_static_reloc.
9218         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
9219         (check_DATA): Add arm_abs_global.stdout.
9220         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
9221         arm_abs_global.stdout): New rules.
9222         (MOSTLLYCLEANFILES): Add arm_abs_global
9223         * Makefile.in: Regenerate.
9224         * testsuite/arm_abs_global.s: New file.
9225         * testsuite/arm_abs_global.sh: Ditto.
9226         * testsuite/arm_abs_lib.s: Ditto.
9227
9228 2010-02-11  Ian Lance Taylor  <iant@google.com>
9229
9230         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
9231         Read_relocs task.
9232         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
9233         Allocate_commons_task first.
9234         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
9235         task, rather than symtab_lock_.
9236         (Gc_process_relocs::~Gc_process_relocs): New function.
9237         (Gc_process_relocs::is_runnable): Check this_blocker_.
9238         (Gc_process_relocs::locks): Use next_blocker_ rather than
9239         blocker_.
9240         (Scan_relocs::~Scan_relocs): New function.
9241         (Scan_relocs::is_runnable): Check this_blocker_ rather than
9242         symtab_lock_.
9243         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
9244         next_blocker_.
9245         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
9246         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
9247         constructor accordingly.
9248         (class Gc_process_relocs): Likewise.
9249         (class Scan_relocs): Likewise.
9250         * common.h (class Allocate_commons_task): Remove symtab_lock_
9251         field, and corresponding constructor parameter.
9252         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
9253         symtab_lock_.
9254         (Allocate_commons_task::locks): Likewise.
9255
9256 2010-02-11  Ian Lance Taylor  <iant@google.com>
9257
9258         * gold-threads.h (class Once): Define.
9259         (class Initialize_lock): Rewrite as child of Once.
9260         * gold-threads.cc (class Once_initialize): Define.
9261         (once_pointer_control): New static variable.
9262         (once_pointer, once_arg): New static variables.
9263         (c_run_once): New static function.
9264         (Once::Once, Once::run_once, Once::internal_run): New functions.
9265         (class Initialize_lock_once): Remove.
9266         (initialize_lock_control): Remove.
9267         (initialize_lock_pointer): Remove.
9268         (initialize_lock_once): Remove.
9269         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
9270         (Initialize_lock::initialize): Rewrite.
9271         (Initialize_lock::do_run_once): New function.
9272         * archive.cc (Archive::interpret_header): Only clear name if it is
9273         not already empty.
9274         * fileread.cc: Include "gold-threads.h"
9275         (file_counts_lock): New static variable.
9276         (file_counts_initialize_lock): Likewise.
9277         (File_read::release): Only increment counts when using --stats.
9278         Use a lock around the increment.
9279         * parameters.cc (class Set_parameters_target_once): Define.
9280         (set_parameters_target_once): New static variable.
9281         (Parameters::Parameters): Move here from parameters.h.
9282         (Parameters::set_target): Rewrite.
9283         (Parameters::set_target_once): New function.
9284         (Parameters::clear_target): Move here and rewrite.
9285         * parameters.h (class Parameters): Update declarations.  Add
9286         set_parameters_target_once_ field.
9287         (Parameters::Parameters): Move to parameters.cc.
9288         (Parameters::clear_target): Likewise.
9289         * readsyms.cc (Read_symbols::do_group): Create a Start_group
9290         task.
9291         (Start_group::~Start_group): New function.
9292         (Start_group::is_runnable): New function.
9293         (Start_group::locks, Start_group::run): New functions.
9294         (Finish_group::run): Change saw_undefined to size_t.
9295         * readsyms.h (class Start_group): Define.
9296         (class Finish_group): Change saw_undefined_ field to size_t.
9297         (Finish_group::Finish_group): Remove saw_undefined and
9298         this_blocker parameters.  Change all callers.
9299         (Finish_group::set_saw_undefined): New function.
9300         (Finish_group::set_blocker): New function.
9301         * symtab.h (class Symbol_table): Change saw_undefined to return
9302         size_t.  Change saw_undefined_ field to size_t.
9303         * target-select.cc (Set_target_once::do_run_once): New function.
9304         (Target_selector::Target_selector): Initialize set_target_once_
9305         field.  Don't initialize lock_ and initialize_lock_ fields.
9306         (Target_selector::instantiate_target): Rewrite.
9307         (Target_selector::set_target): New function.
9308         * target-select.h (class Set_target_once): Define.
9309         (class Target_selector): Update declarations.  Make
9310         Set_target_once a friend.  Remove lock_ and initialize_lock_
9311         fields.  Add set_target_once_ field.
9312
9313 2010-02-10  Ian Lance Taylor  <iant@google.com>
9314
9315         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
9316         queueing any tasks.
9317         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
9318         (queue_middle_tasks): Add all blockers before queueing any tasks.
9319         (queue_final_tasks): Likewise.
9320         * token.h (Task_token::add_blockers): New function.
9321         * object.h (Input_objects::number_of_relobjs): New function.
9322
9323 2010-02-10  Ian Lance Taylor  <iant@google.com>
9324
9325         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
9326         shared, not if not position independent.
9327         * x86_64.cc (Relocate::relocate_tls): Likewise.
9328         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
9329         (tls_pie_pic_test): New target.
9330         * testsuite/Makefile.in: Rebuild.
9331
9332         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
9333         (tls_test_main_pie.o, tls_test_pie.o): New targets.
9334         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
9335         * testsuite/Makefile.in: Rebuild.
9336
9337 2010-02-09  David S. Miller  <davem@davemloft.net>
9338
9339         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
9340         R_SPARC_RELATIVE using ->add_local_relative().
9341         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
9342
9343         * output.h (Output_data_dynamic::add_section_size): New method
9344         that takes two Output_data objects.
9345         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
9346         entry param.  Handle it in initializers.
9347         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
9348         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
9349         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
9350         arg.
9351         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
9352         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
9353         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
9354         for dynrel_includes_plt.
9355         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9356         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9357         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
9358         before .rela.plt
9359         (Target_sparc::do_finalize_sections): Update to pass true for
9360         dynrel_includes_plt.
9361         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
9362         output before .rela.plt
9363         (Target_powerpc::do_finalize_sections): Update to pass true for
9364         dynrel_includes_plt when 32-bit.
9365
9366 2010-02-08  Doug Kwan  <dougkwan@google.com>
9367
9368         * arm.cc (Arm_relobj::simple_input_section_output_address): New
9369         method.
9370         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
9371         Arm_relobj::scan_section_for_cortex_a8_stubs,
9372         Arm_relobj::do_relocation_section): Instead of calling
9373         Output_section::output_address, use faster
9374         Arm_relobj::simple_input_section_output_address.
9375
9376 2010-02-08  David S. Miller  <davem@davemloft.net>
9377
9378         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
9379         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
9380         relocation helper function.
9381
9382         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
9383         just like R_SPARC_GOT{10,13,22}.
9384         (Target_sparc::Scan::local): Likewise.
9385         (Target_sparc::Relocate:relocate): Likewise.
9386
9387 2010-02-06  Ian Lance Taylor  <iant@google.com>
9388
9389         * configure.ac: Rewrite targetobjs duplicate removal code to use
9390         only shell constructs.
9391         * configure: Rebuild.
9392
9393 2010-02-05  Doug Kwan  <dougkwan@google.com>
9394
9395         PR 11247
9396         * arm.cc (Arm_relobj::section_is_scannable): New method.
9397         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
9398         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
9399
9400 2010-02-04  Doug Kwan  <dougkwan@google.com>
9401
9402         PR 11247
9403         * arm-reloc-property.cc (cstdio): Include.
9404         * configure.ac (targetobjs): Remove duplicates.
9405         * configure: Regenerate.
9406         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
9407         big and little endian version for a given address size.
9408
9409 2010-02-03  Doug Kwan  <dougkwan@google.com>
9410
9411         * arm-reloc-property.cc
9412         (Arm_reloc_property_table::reloc_name_in_error_message): New method
9413         definition.
9414         * arm-reloc-property.h
9415         (Arm_reloc_property_table::get_implemented_static_reloc_property):
9416         New method definition.
9417         (Arm_reloc_property_table::reloc_name_in_error_message): New method
9418         declaration.
9419         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
9420         overflow to N.
9421         (GOT_PREL): Change implemented to Y.
9422         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
9423         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
9424         (Arm_relocate_functions::movw_abs_nc): Remove method.
9425         (Arm_relocate_functions::movt_abs): Ditto.
9426         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
9427         (Arm_relocate_functions::thm_movt_abs): Ditto.
9428         (Arm_relocate_functions::movw_rel_nc): Ditto.
9429         (Arm_relocate_functions::movw_rel): Ditto.
9430         (Arm_relocate_functions::movt_rel): Ditto.
9431         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
9432         (Arm_relocate_functions:thm_movw_rel): Ditto.
9433         (Arm_relocate_functions:thm_movt_rel): Ditto.
9434         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
9435         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
9436         New method definitions.
9437         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
9438         (Arm_relocation_functions::arm_grp_ldr): Ditto.
9439         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
9440         (Arm_relocation_functions::arm_grp_ldc): Ditto.
9441         (Target_arm::Relocate::relocate): Check for non-static or
9442         unimplemented relocation code and exit early.  Change calls to
9443         Target_arm::reloc_uses_thumb_bit and
9444         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
9445         instead.  Refactor code to handle similar relocations to increase
9446         code sharing.  Remove check for unsupported relocation code in switch
9447         statement.
9448         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
9449         relocation property table to find out size.  Change error message to
9450         print out the name of a relocation code instead of the numeric value.
9451         (Target_arm::scan_reloc_for_stub): Use relocation property table
9452         instead of calling Target_arm::reloc_uses_thumb_bit().
9453
9454 2010-02-02  Doug Kwan  <dougkwan@google.com>
9455
9456         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
9457         types of relaxed input section.
9458
9459 2010-02-02  Doug Kwan  <dougkwan@google.com>
9460
9461         * Makefile.am (HFILES): Add arm-reloc-property.h.
9462         (DEFFILES): New.
9463         (TARGETSOURCES): Add arm-reloc-property.cc
9464         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
9465         (libgold_a_SOURCES): $(DEFFILES)
9466         * Makefile.in: Regenerate.
9467         * arm-reloc-property.cc: New file.
9468         * arm-reloc-property.h: New file.
9469         * arm-reloc.def: New file.
9470         * arm.cc: Update comments.
9471         (arm-reloc-property.h): New included header.
9472         (arm_reloc_property_table): New global variable.
9473         (Target_arm::do_select_as_default_target): New method definition.
9474         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
9475         arm-reloc-property to targ_extra_obj.
9476         * parameters.cc (set_parameters_target): Call
9477         Target::select_as_default_target().
9478         * target.h (Target::select_as_default_target): New method definition.
9479         (Target::do_select_as_default_target): Same.
9480
9481 2010-02-01  Doug Kwan  <dougkwan@google.com>
9482
9483         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
9484         first_output_text_section_.
9485         (Arm_exidx_fixup::first_output_text_section): New method definition.
9486         (Arm_exidx_fixup::first_output_text_section_): New data member.
9487         (Arm_exidx_fixup::process_exidx_section): Record the first text
9488         output section seen.
9489         (Arm_output_section::fix_exidx_coverage): Set correct linked section
9490         and entsize in output section header.
9491
9492 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9493
9494         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
9495         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
9496         (Arm_relocate_functions::thm_alu11): New Method.
9497         (Arm_relocate_functions::thm_pc8): New Method.
9498         (Arm_relocate_functions::thm_pc12): New Method.
9499         (Target_arm::Scan::local): Handle the relocations.
9500         (Target_arm::Scan::global): Likewise.
9501         (Target_arm::Relocate::relocate): Likewise.
9502         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9503
9504 2010-01-29  Doug Kwan  <dougkwan@google.com>
9505
9506         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
9507         of relocation types as ld.
9508
9509 2010-01-29  Doug Kwan  <dougkwan@google.com>
9510
9511         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
9512         to public.
9513         (Arm_relocate_functions::thumb_branch_common): Ditto.
9514         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
9515         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
9516         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
9517         Arm_relocate_functions::jump24): Remove.
9518         (Target_arm::Relocate::relocate): Adjust code to call
9519         Arm_relocation_functions::arm_branch_common and
9520         Arm_relocation_functions::thumb_branch_common instead of their removed
9521         wrappers.  Merge switch-cases together to reduce source code size.
9522
9523 2010-01-29  Doug Kwan  <dougkwan@google.com>
9524
9525         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
9526         output_local_symbol_count_needs_update_.
9527         (Arm_relobj::output_local_symbol_count_needs_update,
9528          Arm_relobj::set_output_local_symbol_count_needs_update,
9529          Arm_relobj::update_output_local_symbol_count): New methods.
9530         (Arm_relobj::output_local_symbol_count_needs_update_): New data
9531         member.
9532         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
9533         of pointed function as in a R_ARM_PREL31 relocation.
9534         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
9535         for output local symbol count updating.
9536         (Target_arm::do_relax): Update output local symbol counts in objects
9537         if necessary.
9538         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
9539
9540 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9541
9542         * arm.cc: Added support for the ARM relocations:
9543         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
9544         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
9545         (Arm_relocate_functions::movw_rel_nc): Renamed (was
9546         movw_prel_nc).
9547         (Arm_relocate_functions::movw_rel): New method.
9548         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
9549         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
9550         thm_movw_prel_nc).
9551         (Arm_relocate_functions::thm_movw_rel): New method.
9552         (Arm_relocate_functions::thm_movt_rel): Renamed (was
9553         thm_movt_prel).
9554         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
9555         relocations.
9556         (Target_arm::Scan::global): Likewise.
9557         (Target_arm::Relocate::relocate): Likewise.
9558         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9559         Likewise.
9560
9561 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9562
9563         * arm.cc: Added support for ARM group relocations.
9564         (Target_arm::reloc_needs_sym_origin): New method.
9565         (Arm_relocate_functions::calc_grp_kn): New method.
9566         (Arm_relocate_functions::calc_grp_residual): New method.
9567         (Arm_relocate_functions::calc_grp_gn): New method.
9568         (Arm_relocate_functions::arm_grp_alu): New Method.
9569         (Arm_relocate_functions::arm_grp_ldr): New Method.
9570         (Arm_relocate_functions::arm_grp_ldrs): New Method.
9571         (Arm_relocate_functions::arm_grp_ldc): New Method.
9572         (Target_arm::Scan::local): Handle the ARM group relocations.
9573         (Target_arm::Scan::global): Likewise.
9574         (Target_arm::Relocate::relocate): Likewise.
9575         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9576         Likewise.
9577
9578 2010-01-26  Doug Kwan  <dougkwan@google.com>
9579
9580         * arm.cc (set): Include.
9581         (class Arm_exidx_fixup): Change type of last_input_section_ to const
9582         pointer type.
9583         (Arm_output_section::Text_section_list): New type.
9584         (Arm_output_section::append_text_sections_to_list): New method.
9585         (Arm_output_section::fix_exidx_coverage): Ditto.
9586         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
9587         (Arm_relobj::convert_input_section_to_relaxed_section): Use
9588         Relobj::set_section_offset() instead of
9589         Sized_relobj::invalidate_section_offset().
9590         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
9591         parameter for section headers. Ignore relocation sections for
9592         unallocated sections and EXIDX sections.
9593         (Target_arm::fix_exidx_coverage): New method.
9594         (Target_arm::output_section_address_less_than): New type.
9595         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
9596         linked text section instead of the EXIDX section.
9597         (Arm_output_section::create_stub_group): Add an assertion to check
9598         that this is not an EXIDX output section.
9599         (Arm_output_section::append_text_sections_to_list): New method.
9600         (Arm_output_section::fix_exidx_coverage): Ditto.
9601         (Arm_relobj::scan_sections_for_stubs): Adjust call to
9602         Arm_relobj::section_needs_reloc_stub_scanning.
9603         (Target_arm::do_relax): Fix EXIDX output section coverage in the
9604         first pass.
9605         (Target_arm::fix_exidx_coverage): New method.
9606         * object.h (Relobj::set_output_section): New method.
9607         (Sized_relobj::invalidate_section_offset): Remove method.
9608         (Sized_relobj::do_invalidate_section_offset): Remove method.
9609         (Sized_relobj::do_set_section_offset): Handle offset value -1.
9610
9611 2010-01-25  Doug Kwan  <dougkwan@google.com>
9612
9613         * arm.cc (Arm_exidx_merged_section::do_output_offset):
9614         Fix warning due to signed and unsigned comparison on a 32-bit host.
9615
9616 2010-01-22  Doug Kwan  <dougkwan@google.com>
9617
9618         * arm.cc (Target_arm::do_relax): Record an output section for section
9619         offset adjustment it contains any stub table that has changed.
9620         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
9621         offsets in an output section if necessary.
9622         * output.cc (Output_section::Output_section): Initialize
9623         section_offsets_need_adjustments_.
9624         (Output_section::add_input_section_for_script): Renamed to
9625         Output_section::add_simple_input_section.
9626         (Output_section::save_states): Add a comment.
9627         (Output_section::discard_states): New method defintion.
9628         (Output_section::adjust_section_offsets): Same.
9629         * output.h (Output_section::add_input_section_for_script): Renamed to
9630         Output_section::add_simple_input_section.
9631         (Output_section::discard_states): New method declaration.
9632         (Output_section::adjust_section_offsets): Same.
9633         (Output_section::section_offsets_need_adjustment,
9634         Output_section::set_section_offsets_need_adjustment): New method
9635         definitions.
9636         (Output_section::section_offsets_need_adjustment_): New data member.
9637         * script-sections.cc
9638         (Output_section_element_input::set_section_address): Adjust code for
9639         renaming of Output_section::add_input_section_for_script.
9640         (Orphan_output_section::set_section_address): Same.
9641
9642 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9643
9644         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
9645         Fix_v4bx enum values .
9646         * gold/options.h (General_options): New option definitions.
9647         (General_options::fix_v4bx): New method.
9648         (General_options::Fix_v4bx): New enum.
9649         * gold/options.cc (General_options::parse_fix_v4bx): New method.
9650         (General_options::parse_fix_v4bx_interworking): New method.
9651
9652 2010-01-22  Doug Kwan  <dougkwan@google.com>
9653
9654         * arm.cc (Arm_exidx_fixup): New class.
9655
9656 2010-01-21  Doug Kwan  <dougkwan@google.com>
9657
9658         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
9659         classes.
9660         (Arm_exidx_section_offset_map): New type.
9661
9662 2010-01-21  Doug Kwan  <dougkwan@google.com>
9663
9664         * arm.cc (Arm_exidx_input_section): New class.
9665         (Arm_relobj::exidx_input_section_by_link,
9666         Arm_relobj::exidx_input_section_by_shndx,
9667         Arm_relobj::make_exidx_input_section): New methods.
9668         (read_arm_attributes_section): Remove.
9669         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
9670         information about them.
9671         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
9672         to here.
9673
9674 2010-01-20  Doug Kwan  <dougkwan@google.com>
9675
9676         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
9677         Input_section_specifier to Section_id.
9678         (Target_arm::new_arm_input_section: Adjust code for change of key
9679         type.
9680         (Target_arm::find_arm_input_section): Ditto.
9681         * gc.h (object.h): Include for Section_id nand Section_id_hash.
9682         (Section_id): Remove.
9683         (Garbage_collection::Section_id_hash): Remove.
9684         * icf.h (object.h): Include for Section_id nand Section_id_hash.
9685         (Section_id): Remove.
9686         (Icf::Section_id_hash): Remove.
9687         * object.h (Section_id, Const_section_id, Section_id_hash,
9688         Const_section_id_hash): New type definitions.
9689         * output.cc (Output_section::add_relaxed_input_section): Change to
9690         use Const_section_id instead of Input_section_specifier as key type.
9691         (Output_section::add_merge_input_section): Ditto.
9692         (Output_section::build_relaxation_map): Change to use Section_id
9693         instead of Input_section_specifier as key type.
9694         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9695         Ditto.
9696         (Output_section::convert_input_sections_to_relaxed_sections): Change
9697         to use Const_section_id instead of Input_section_specifier as key type.
9698         (Output_section::find_merge_section): Ditto.
9699         (Output_section::find_relaxed_input_section): Ditto.
9700         * output.h (Input_section_specifier): Remove class.
9701         (Output_section::Output_section_data_by_input_section_map): Change
9702         key type to Const_section_id.
9703         (Output_section::Output_relaxed_input_section_by_input_section_map):
9704         Ditto.
9705         (Output_section::Relaxation_map): Change key type to Section_id.
9706
9707 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9708
9709         * gold/arm.cc: Added support for R_ARM_V4BX relocation
9710         (class Arm_v4bx_stub): New class.
9711         (DEF_STUBS): Updated definition to support v4_veneer_bx.
9712         (Stub_factory::make_arm_v4bx_stub): New method.
9713         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
9714         (Stub_table::empty): Handle v4bx stubs.
9715         (Stub_table::add_arm_v4bx_stub): New method.
9716         (Stub_table::find_arm_v4bx_stub): New method.
9717         (Arm_relocate_functions::v4bx): New method.
9718         (Target_arm::fix_v4bx): New method.
9719         (Target_arm::Target_arm): Handle R_ARM_V4BX.
9720         (Stub_table::relocate_stubs): Likewise.
9721         (Stub_table::do_write): Likewise.
9722         (Stub_table::update_data_size_and_addralign): Likewise.
9723         (Stub_table::finalize_stubs):  Likewise.
9724         (Target_arm::Scan::local): Likewise.
9725         (Target_arm::Scan::global): Likewise.
9726         (Target_arm::do_finalize_sections): Likewise.
9727         (Target_arm::Relocate::relocate): Likewise.
9728         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9729         Likewise.
9730         (Target_arm::scan_reloc_for_stub): Likewise.
9731         (Target_arm::scan_reloc_section_for_stubs): Likewise.
9732
9733 2010-01-19  Ian Lance Taylor  <iant@google.com>
9734
9735         * output.cc (Output_section_headers::do_sized_write): Write large
9736         segment count to sh_info field.
9737         (Output_file_header::do_sized_write): For large segment count,
9738         write PN_XNUM to e_phnum field.
9739
9740 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9741
9742         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
9743         (Arm_relocate_functions::thm_jump8): New function.
9744         (Arm_relocate_functions::thm_jump11): New function.
9745         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
9746         R_ARM_THM_JUMP11.
9747         (Target_arm::Scan::global): Likewise.
9748         (Target_arm::Relocate::relocate): Likewise.
9749         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9750         Likewise.
9751
9752 2010-01-14  Doug Kwan  <dougkwan@google.com>
9753
9754         * arm.cc (map, utility): Include headers.
9755         (Target_arm::apply_cortex_a8_workaround): New method.
9756         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
9757         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
9758         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
9759         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
9760         the --[no-]fix-cortex-a8 command line options.
9761         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
9762         (Target_arm::relocate_stub): Use addend in instruction template.
9763         * options.h (DEFINE_bool): Set the user-set flag.
9764         (General_options): Add --[no-]-fix-cortex options.
9765         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
9766         : Update fast look-up map after conversion.
9767
9768 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
9769
9770         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
9771         in the first pass of do_layout.
9772
9773 2010-01-13  Doug Kwan  <dougkwan@google.com>
9774
9775         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
9776         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
9777         apparent compiler problem of not folding static constant integral
9778         data members of elfcpp::Elf_sizes<32>.
9779
9780 2010-01-13  Doug Kwan  <dougkwan@google.com>
9781
9782         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
9783         Arm_relobj::section_needs_cortex_a8_stub_scanning,
9784         Arm_relobj::scan_section_for_cortex_a8_erratum,
9785         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
9786         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
9787         sections to scan for relocation stubs into a new method
9788         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
9789         relocation and Cortex-A8 stub scanning.
9790         (Target_arm::do_relax): Force stubs to be after stubbed sections
9791         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
9792         the beginning of a new relaxation pass.  Update a comment.
9793         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
9794
9795 2010-01-12  Ian Lance Taylor  <iant@google.com>
9796
9797         * target-reloc.h (visibility_error): New inline function.
9798         (relocate_section): Call visibility_error.
9799         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
9800         (MOSTLYCLEANFILES): Likewise.
9801         (protected_4_pic.o, protected_3.err): New targets.
9802         * testsuite/protected_4.cc: New file.
9803
9804 2010-01-12  Doug Kwan  <dougkwan@google.com>
9805
9806         * arm.cc (Cortex_a8_reloc): New class.
9807         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
9808         and cortex_a8_relocs_info_.
9809         (Target_arm::fix_cortex_a8): New method definition.
9810         (Target_arm::Cortex_a8_relocs_info): New type.
9811         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
9812         New data member declarations.
9813         (Target_arm::scan_reloc_for_stub): Record information about
9814         relocations for THUMB branches that might be exempted from the
9815         Cortex-A8 workaround.
9816         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
9817         at the beginning of a relaxation pass.
9818
9819 2010-01-12  Doug Kwan  <dougkwan@google.com>
9820
9821         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
9822         (Arm_relobj::Mapping_symbol_position,
9823          Arm_reloj::Mapping_symbol_position_less,
9824          Arm_relobj::Mapping_symbols_info): New types.
9825         (Target_arm::is_mapping_symbol_name): New method definition.
9826         (Arm_relobj::do_count_local_symbols): Save information about mapping
9827         symbols.
9828
9829 2010-01-11  Doug Kwan  <dougkwan@google.com>
9830
9831         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
9832         Arm_relocate_functions::thumb32_branch_upper,
9833         Arm_relocate_functions::thumb32_branch_lower,
9834         Arm_relocate_functions::thumb32_cond_branch_offset,
9835         Arm_relocate_functions::thumb32_cond_branch_upper,
9836         Arm_relocate_functions::thumb32_cond_branch_lower,
9837         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
9838         branch offset encoding.
9839         (Arm_relocate_functions::thumb_branch_common): Use new branch
9840         offset encoding methods to avoid code duplication.
9841         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
9842         (Stub_addend_reader::operator()): Use new branch encoding method
9843         to avoid code duplication.
9844
9845 2010-01-11  Doug Kwan  <dougkwan@google.com>
9846
9847         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
9848         (Target_arm::do_finalize_sections): Define special EXIDX section
9849         symbols only if referenced.
9850         * gc.h (Garbage_collection::add_reference): New method.
9851         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
9852         code duplication.
9853
9854 2010-01-11  Ian Lance Taylor  <iant@google.com>
9855
9856         * script.cc (Version_script_info::build_expression_list_lookup):
9857         Change complaing about duplicate wildcard match from error to
9858         warning.
9859
9860         * script.cc (class Lazy_demangler): Recreate--revert part of patch
9861         of 2009-12-30.
9862         (Version_script_info::Version_script_info): Initialize globs_,
9863         default_version_, default_is_global_, and exact_.  Don't
9864         initialize globals_ or locals_.
9865         (Version_script_info::build_lookup_tables): Build local symbols
9866         first.
9867         (Version_script_info::unquote): New function.
9868         (Version_script_info::add_exact_match): New function.
9869         (Version_script_info::build_expression_list_lookup): Remove lookup
9870         parameter.  Add is_global parameter.  Change all callers.  Handle
9871         wildcard pattern specially.  Unquote pattern.  Call
9872         add_exact_match.
9873         (Version_script_info::get_name_to_match): New function.
9874         (Version_script_info::get_symbol_version): New function.
9875         (Version_script_info::get_symbol_version_helper): Remove.
9876         (Version_script_info::check_unmatched_names): Call unquote.
9877         * script.h (class Version_script_info): Change get_symbol_version
9878         to be non-inline and add is_global parameter; change all callers.
9879         Rewrite symbol_is_local.  Update declarations.  Define struct
9880         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
9881         Remove globals_ and locals_ members.  Add exact_, globs_,
9882         default_version_, is_global_.
9883         (Version_script_info::Glob): Remove pattern, add expression and
9884         is_global.  Update constructor.  Change all callers.
9885         * dynobj.cc (Versions::finalize): Mark the version symbol as the
9886         default version.
9887         (Versions::symbol_section_contents): If a symbol is undefined, or
9888         defined in a dynamic object, set the version index to
9889         VER_NDX_LOCAL.
9890         * symtab.cc (Symbol_table::add_from_relobj): Don't call
9891         symbol_is_local.
9892         (Symbol_table::add_from_pluginobj): Likewise.
9893         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
9894
9895 2010-01-11  Doug Kwan  <dougkwan@google.com>
9896
9897         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
9898         (incremental_dump_LDADD): Add linking option for libintl.
9899         * Makefile.in: Regenerate.
9900
9901 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
9902
9903         PR gold/11144
9904         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
9905         instead of -Ds.
9906         * testsuite/Makefile.in: Regenerated.
9907
9908 2010-01-10  Doug Kwan  <dougkwan@google.com>
9909
9910         * options.h (DEFINE_var): Use parentheses around argument varname__
9911         in macro body to avoid any unintended subsequent substitutions.
9912
9913 2010-01-10  Ian Lance Taylor  <iant@google.com>
9914
9915         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
9916         candidates before doing symbol resolution.
9917
9918         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
9919         ODR candidates if only one is weak.
9920
9921 2010-01-08  Ian Lance Taylor  <iant@google.com>
9922
9923         * script.cc (Version_script_info::build_expression_list_lookup):
9924         Don't warn about ambiguous version, just record the ambiguity.
9925         (Version_script_info::get_symbol_version_helper): Give error if
9926         version is ambiguous.
9927
9928 2010-01-08  Doug Kwan  <dougkwan@google.com>
9929
9930         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
9931         prev_data_size_ and prev_addralign_.  Remove initializer for
9932         deleted data member has_been_changed_.
9933         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
9934         to determine if the table is empty.
9935         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
9936         Remove.
9937         (Stub_table::add_reloc_stub): Define method in class definition
9938         instead of just declaring it there.
9939         (Stub_table::add_cortex_a8_stub): New method definition.
9940         (Stub_table::update_data_size_and_addralign): Ditto.
9941         (Stub_table::finalize_stubs): Ditto.
9942         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
9943         (Stub_table::do_addralign_): Return address alignment in the
9944         (Stub_table::do_reset_address_and_file_offset): Define method in
9945         class definition instead of declaring it there.  Set current data
9946         size to be the data size of the previous pass.
9947         (Stub_table::set_final_data_size): Use current data size as the
9948         final data size.
9949         (Stub_table::relocate_stub): Change parameter type of stub from
9950         Reloc_stub pointer to Stub pointer.
9951         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
9952         (Stub_table::Cortex_a8_stub_list): New typedef.
9953         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
9954          Stub_table::prev_addralign_): New data member.
9955         (Arm_relobj::Arm_relobj): Initialize data member
9956         section_has_cortex_a8_workaround_.
9957         (Arm_relobj::section_has_cortex_a8_workaround,
9958          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
9959          definitions.
9960         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
9961         declarations.
9962         (Target_arm::relocate_stub): Change parameter type of stub from
9963         Reloc_stub pointer to Stub pointer.
9964         (Insn_template::size, Insn_template::alignment): Handle
9965         THUMB16_SPECIAL_TYPE.
9966         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
9967          Stub_table::update_data_size_and_addralign,
9968          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
9969         definitions.
9970         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
9971         (Stub_table::do_write): Ditto.
9972         (Target_arm::do_relax): Adjust code for changes in Stub_table.
9973
9974 2010-01-08  Ian Lance Taylor  <iant@google.com>
9975
9976         PR 11108
9977         * symtab.h (class Symbol): Remove fields is_target_special_ and
9978         has_plt_offset_.  Add field is_defined_in_discarded_section_.
9979         (Symbol::is_defined_in_discarded_section): New function.
9980         (Symbol::set_is_defined_in_discarded_section): New function.
9981         (Symbol::has_plt_offset): Rewrite.
9982         (Symbol::set_plt_offset): Verify that new offset is not -1U.
9983         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
9984         Don't initialize is_target_special_ or has_plt_offset_.
9985         Initialize is_defined_in_discarded_section_.
9986         (Symbol_table::add_from_relobj): If appropriate, set
9987         is_defined_in_discarded_section.
9988         * resolve.cc (Symbol::override_base_with_special): Don't test
9989         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
9990         * target-reloc.h (relocate_section): Do special handling for
9991         symbols defined in discarded sections for global symbols as well
9992         as local symbols.
9993
9994 2010-01-08  Ian Lance Taylor  <iant@google.com>
9995
9996         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
9997         the SHT_SYMTAB case.
9998
9999 2010-01-08  Ian Lance Taylor  <iant@google.com>
10000
10001         * object.cc (Sized_relobj::do_layout): Don't get confused if
10002         layout_eh_frame returns NULL.
10003
10004 2010-01-08  Ian Lance Taylor  <iant@google.com>
10005
10006         PR 11084
10007         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
10008         dynamic symbol table, use the normal symbol table.
10009         (Sized_dynobj::do_read_symbols): Remove assertion about type of
10010         symbol table.
10011
10012 2010-01-08  Ian Lance Taylor  <iant@google.com>
10013
10014         PR 11072
10015         * layout.cc (Layout::include_section): Remove .gnu_debuglink
10016         sections.
10017
10018 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
10019
10020         * version.cc (print_version): Change to "Copyright 2010".
10021
10022 2010-01-08  Ian Lance Taylor  <iant@google.com>
10023
10024         PR 10287
10025         PR 11063
10026         * i386.cc (class Target_i386): Change return type of plt_section
10027         to be non-const.
10028         (class Output_data_plt_i386): Add tls_desc_rel_ field.
10029         (Output_data_plt_i386::Output_data_plt_i386): Initialize
10030         tls_desc_rel_ field.
10031         (Output_data_plt_i386::rel_tls_desc): New function.
10032         (Target_i386::rel_tls_desc_section): New function.
10033         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
10034         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
10035         R_386_TLS_DESC reloc in rel_tls_desc_section.
10036         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
10037         Define struct Tlsdesc_info.
10038         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
10039         (Target_x86_64::do_reloc_symbol_index): New function.
10040         (Target_x86_64::add_tlsdesc_info): New function.
10041         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
10042         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
10043         tlsdesc_rel_ field.
10044         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
10045         all callers.
10046         (Output_data_plt_x86_64::rela_tlsdesc): New function.
10047         (Target_x86_64::rela_tlsdesc_section): New function.
10048         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
10049         handling.
10050         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
10051         (Target_x86_64::do_reloc_addend): New function.
10052         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
10053         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
10054         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
10055         (Output_reloc::type): New function.
10056         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
10057         (Output_reloc::is_target_specific): New function.
10058         (Output_reloc::target_arg): New function.
10059         (class Output_reloc) [SHT_RELA]: Add four new constructors for
10060         absolute relocs and target specific relocs.
10061         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
10062         add_target_specific.
10063         (class Output_data_reloc) [SHT_RELA]: Likewise.
10064         * output.cc (Output_reloc::Output_reloc): Add four new versions
10065         for absolute relocs and target specific relocs.
10066         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
10067         (Output_reloc::get_symbol_index): Likewise.
10068         (Output_reloc::local_section_offset): Check that local_sym_index_
10069         is not TARGET_CODE or 0.
10070         (Output_reloc::symbol_value): Likewise.
10071         (Output_reloc::write) [SHT_RELA]: Call target for target specific
10072         reloc.
10073         * target.h (class Target): Add reloc_symbol_index and reloc_addend
10074         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
10075         functions.
10076         * layout.cc (add_target_dynamic_tags): Use output section for
10077         DT_PLTRELSZ and DT_JMPREL.
10078
10079 2010-01-07  Ian Lance Taylor  <iant@google.com>
10080
10081         PR 11061
10082         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
10083         function.
10084         (class Output_data_reloc_generic): Define.
10085         (class Output_data_reloc_base): Change base class to
10086         Output_data_reloc_generic.  Change add() method to call
10087         bump_relative_reloc_count for a relative reloc.  Remove
10088         sort_relocs_ field.
10089         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
10090         to sort_relocs().
10091         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
10092         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
10093         appropriate.
10094         * layout.h (class Layout): Update declaration.
10095
10096 2010-01-07  Ian Lance Taylor  <iant@google.com>
10097
10098         * output.h (class Output_data): Add const version of
10099         output_section and do_output_section.
10100         (class Output_section_data): Add const version of
10101         do_output_section.
10102         (class Output_section): Likewise.
10103         * layout.cc (Layout::add_target_dynamic_tags): New function.
10104         * layout.h (class Layout): Update declarations.
10105         * arm.cc (Target_arm::do_finalize_sections): Use
10106         add_target_dynamic_tags.
10107         * i386.cc (Target_i386::do_finalize_sections): Likewise.
10108         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
10109         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
10110         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
10111
10112 2010-01-07  Ian Lance Taylor  <iant@google.com>
10113
10114         PR 11042
10115         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
10116         object as needed.
10117
10118 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
10119             Ian Lance Taylor  <iant@google.com>
10120
10121         PR 11019
10122         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
10123         Xindex::read_symtab_xindex.
10124
10125 2010-01-07  Doug Kwan  <dougkwan@google.com>
10126
10127         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
10128         (Insn_template::thumb16_bcond_insn): New method declaration.
10129         (Insn_template): Fix spelling.
10130         (Stub::thumb16_special): New method declaration.
10131         (Stub::do_write): Define virtual method which was previously pure
10132         virtual.
10133         (Stub::do_thumb16_special): New method declaration.
10134         (Stub::do_fixed_endian_write): New template member.
10135         (Reloc_stub::do_write): Remove.
10136         (Reloc_stub::do_fixed_endian_write): Remove.
10137         (Cortex_a8_stub): New class definition.
10138         (Stub_factory::make_cortex_a8_stub): New method definition.
10139         (Stub_factory::Stub_factory): Add missing static storage class
10140         qualifier for elf32_arm_stub_a8_veneer_blx.
10141
10142 2010-01-07  Ian Lance Taylor  <iant@google.com>
10143
10144         PR 10980
10145         * options.h (class General_options): Add --warn-unresolved-symbols
10146         and --error-unresolved-symbols.
10147         * errors.cc (Errors::undefined_symbol): Implement
10148         --warn-unresolved-symbols.
10149
10150         * options.h (class General_options): Add -z text and -z textoff.
10151         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
10152
10153 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
10154
10155         * gc.h (Garbage_collection::Cident_section_map): New typedef.
10156         (Garbage_collection::cident_sections): New function.
10157         (Garbage_collection::add_cident_section): New function.
10158         (Garbage_collection::cident_sections_): New member.
10159         (gc_process_relocs): Add references to sections whose names are C
10160         identifiers.
10161         * gold.h (cident_section_start_prefix): New constant.
10162         (cident_section_stop_prefix): New constant.
10163         (is_cident): New function.
10164         * layout.cc (Layout::define_section_symbols): Replace string constants
10165         with the newly defined constants.
10166         * object.cc (Sized_relobj::do_layout): Track sections whose names are
10167         C identifiers.
10168         * testsuite/Makefile.am: Add gc_orphan_section_test.
10169         * testsuite/Makefile.in: Regenerate.
10170         * testsuite/gc_orphan_section_test.cc: New file.
10171         * testsuite/gc_orphan_section_test.sh: New file.
10172
10173 2010-01-06  Ian Lance Taylor  <iant@google.com>
10174
10175         PR 10980
10176         * options.h (class General_options): Add --warn-shared-textrel.
10177         * layout.cc (Layout::finish_dynamic_section): Implement
10178         --warn-shared-textrel.
10179
10180         PR 10980
10181         * options.h (class General_options): Add --warn-multiple-gp.
10182
10183 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10184
10185         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
10186         $(THREADSLIB) and $(LIBDL).
10187         * Makefile.in: Rebuild.
10188
10189 2010-01-06  Ian Lance Taylor  <iant@google.com>
10190
10191         PR 10980
10192         * options.cc (General_options::parse_section_start): New function.
10193         (General_options::section_start): New function.
10194         (General_options::General_options): Initialize all members.
10195         * options.h: Include <map>
10196         (class General_options): Add --section-start.  Add section_starts_
10197         member.
10198         * layout.cc (Layout::attach_allocated_section_to_segment): If
10199         --section-start was used, set the address of the segment.  Remove
10200         local sort_sections.
10201         (Layout::relaxation_loop_body): If the address of the load segment
10202         has been set by --section-start, don't use it.
10203         * output.h (Output_segment::update_flags_for_output_section): New
10204         function.
10205         * output.cc (Output_segment::add_output_section): Call
10206         update_flags_for_output_section.
10207
10208 2010-01-05  Ian Lance Taylor  <iant@google.com>
10209
10210         PR 10980
10211         * options.h (class General_options): Add --undefined-version.
10212         * script.cc (struct Version_expression): Add was_matched_by_symbol
10213         field.
10214         (Version_script_info::matched_symbol): New function.
10215         (Version_script_info::get_symbol_version_helper): Call
10216         matched_symbol.
10217         (Version_script_info::check_unmatched_names): New function.
10218         * script.h (class Version_script_info): Update declarations.
10219         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
10220
10221         * options.h (class General_options): Use DEFINE_bool_alias for
10222         allow_multiple_definition.
10223         * resolve.cc (Symbol_table::should_override): Don't test
10224         allow_multiple_definition.
10225
10226         PR 10980
10227         * options.h (class General_options): Add --cref.
10228         * main.cc (main): Print cref table if --cref.  Don't close mapfile
10229         until after printing cref table.
10230         * cref.cc: Include "symtab.h".
10231         (class Cref_inputs): Define Cref_table_compare and Cref_table.
10232         (Cref_table_compare::operator()): New function.
10233         (Cref_inputs::gather_cref): New function.
10234         (filecol): New static const.
10235         (Cref_inputs::print_cref): New function.
10236         (Cref::print_cref): New function.
10237         * cref.h: Include <cstdio>.
10238         (class Cref): Update declarations.
10239         * mapfile.h (Mapfile::file): New function.
10240         * object.h (class Object): Define Symbols.  Declare virtual
10241         do_get_global_symbols.
10242         (Object::get_global_symbols): New function.
10243         * object.cc (Input_objects::add_object): Pass object to cref_ if
10244         --cref.
10245         (Input_objects::archive_start): Likewise.
10246         (Input_objects::archive_stop): Likewise.
10247         (Input_objects::print_cref): New function.
10248         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
10249         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
10250         --cref.
10251         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
10252         function.
10253         * plugin.h (class Sized_pluginobj): Update declarations.
10254
10255 2010-01-05  Ian Lance Taylor  <iant@google.com>
10256
10257         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
10258         to is_default_version.  Rename insdef to insdefault.
10259         (Symbol_table::add_from_relobj): Rename def to is_default_version
10260         and local to is_forced_local.
10261         (Symbol_table::add_from_pluginobj): Likewise.
10262         (Symbol_table::add_from_dynobj): Likewise.
10263         (Symbol_table::define_special_symbol): Rename insdef to
10264         insdefault.
10265
10266 2010-01-04  Ian Lance Taylor  <iant@google.com>
10267
10268         PR 10980
10269         * options.h (class General_options): Add
10270         --allow-multiple-definition and -z muldefs.
10271         * resolve.cc (Symbol_table::should_override): Don't warn about a
10272         multiple symbol definition if --allow-multiple-definition or -z
10273         muldefs.
10274
10275         PR 10980
10276         * options.h (class General_options): Add --add-needed and
10277         --copy-dt-needed-entries.  Tweak --as-needed help entry.
10278         * object.cc (Input_objects::check_dynamic_dependencies): Give an
10279         error if --copy-dt-needed-entries aka --add-needed is used and
10280         would cause a change in behaviour.
10281
10282         PR 10980
10283         * options.h (class General_options): Add -G as a short version of
10284         --shared.  Add no-op options -assert, -g, and -i.
10285
10286 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
10287
10288         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
10289         check for .text or .gnu.linkonce.t sections.
10290         * icf.cc (Icf::find_identical_sections): Ditto.
10291         Change the detection for mangled function name within the section
10292         name.
10293         * icf.h (is_section_foldable_candidate): New function.
10294
10295 2009-12-30  Ian Lance Taylor  <iant@google.com>
10296
10297         PR 10980
10298         * options.h (class General_options): Permit two dashes with
10299         --retain-symbols-file.
10300
10301 2009-12-30  Ian Lance Taylor  <iant@google.com>
10302
10303         PR 10979
10304         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
10305         don't put the file header and segment headers in the text
10306         segment.
10307
10308         PR 10979
10309         * common.cc (Sort_commons::operator()): Stabilize sort when both
10310         entries are NULL.
10311         (Symbol_table::do_allocate_commons_list): When allocating common
10312         symbols, skip a symbol which is no longer common.
10313         * symtab.h (Symbol::is_common): Test whether the symbol comes from
10314         an object before checking its type.
10315         * testsuite/common_test_2.c: New file.
10316         * testsuite/common_test_3.c: New file.
10317         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
10318         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
10319         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
10320         (common_test_2_pic.o, common_test_2.so): New targets.
10321         (common_test_3_pic.o, common_test_3.so): New targets.
10322         * testsuite/Makefile.in: Rebuild.
10323
10324         PR 10979
10325         * script.cc (read_input_script): If we see a new SECTIONS clause,
10326         and we have added an input section, give an error.
10327         * layout.h (class Layout): Add have_added_input_section function.
10328         Add have_added_input_section_ field.
10329         * layout.cc (Layout::Layout): Initialize
10330         have_added_input_section_.
10331         (Layout::layout): Set have_added_input_section_.
10332         (Layout::layout_eh_frame): Likewise.
10333
10334 2009-12-30  Ian Lance Taylor  <iant@google.com>
10335
10336         PR 10931
10337         * options.h (class General_options): Add --sort-common option.
10338         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
10339         * common.cc (Sort_common): Add sort_order parameter to
10340         constructor.  Add sort_order_ field.
10341         (Sort_commons::operator): Check sort_order_.
10342         (Symbol_table::allocate_commons): Determine the sort order.
10343         (Symbol_table::do_allocate_commons): Add sort_order parameter.
10344         Change all callers.
10345         (Symbol_table::do_allocate_commons_list): Likewise.
10346
10347 2009-12-30  Ian Lance Taylor  <iant@google.com>
10348
10349         PR 10916
10350         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
10351         symbols from this object, don't change the visibility of an
10352         undefined symbol.
10353         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
10354
10355 2009-12-30  Ian Lance Taylor  <iant@google.com>
10356
10357         PR 10861
10358         * script.h (class Version_script_info): Define Language enum.
10359         Update declarations.  Define Glob, Exact, and Lookup types.  Add
10360         new fields globals_, locals_, and is_finalized_.
10361         * script.cc: Various formatting fixes.
10362         (class Parser_closure): Change language_stack_ from a vector of
10363         std::string to one of Version_script_info::Language.  Adjust all
10364         uses accordingly.
10365         (class Lazy_demangler): Remove.
10366         (struct Version_expression): Change language from std::string to
10367         Version_script_info::Language.
10368         (Version_script_info::Version_script_info): New function.
10369         (Version_script_info::~Version_script_info): Don't call clear.
10370         (Version_script_info::finalize): New function.
10371         (Version_script_info::build_lookup_tables): New function.
10372         (Version_script_info::build_expression_list_lookup): New
10373         function.
10374         (Version_script_info::get_symbol_version_helper): Rewrite to use
10375         lookup tables.
10376         (Version_script_info::print_expression_list): Adjust to use
10377         Version_script_info::Language.
10378         (script_push_lex_into_version_mode): Check that the version script
10379         has not been finalized.
10380         (version_script_push_lang): Change language string to
10381         Version_script_info::Language.
10382         * options.cc (Command_line::version_script): New function.
10383         * options.h (class General_options): Add finalize_dynamic_list
10384         function.  Change version_script from declaration to definition.
10385         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
10386         * testsuite/version_script.map: Remove duplicate def of foo.
10387         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
10388         version_script.map.
10389         * testsuite/Makefile.in: Rebuild.
10390
10391 2009-12-30  Ian Lance Taylor  <iant@google.com>
10392
10393         PR 10843
10394         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
10395         if the input symbol index is 0, make the output symbol index 0.
10396
10397 2009-12-30  Ian Lance Taylor  <iant@google.com>
10398
10399         PR 10670
10400         * options.h (class General_options): Add -x/--discard-all.
10401         * object.cc (Sized_relobj::do_count_local_symbols): Handle
10402         --discard-all.  If the local symbol needs a dynamic entry, check
10403         that before handling --discard-locals.
10404
10405 2009-12-30  Ian Lance Taylor  <iant@google.com>
10406
10407         PR 10450
10408         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
10409         flags to PF_R.
10410         (Output_segment::add_output_section): Don't change the flags if
10411         the type is PT_TLS.
10412
10413         PR 10450
10414         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
10415         GNU hash table if they need a dynamic value.  Otherwise, don't add
10416         them if they are defined in a dynamic object or are forced local.
10417
10418 2009-12-29  Ian Lance Taylor  <iant@google.com>
10419
10420         PR 10450
10421         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
10422         .gnu.hash table for a 32-bit target.
10423
10424         PR 10450
10425         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
10426         regular and a dynamic object only needs a dynamic symbol table
10427         entry if it is externally visible.
10428
10429         PR 10450
10430         * i386.cc (class Target_i386): Initialize global_offset_table_ in
10431         constructor.  Add global_offset_table_ field.
10432         (Target_i386::got_section): Set global_offset_table_.
10433         (Target_i386::do_finalize_sections): Set global_offset_table_
10434         size.
10435         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
10436         in constructor.  Add global_offset_table_ field.
10437         (Target_x86_64::got_section): Set global_offset_table_.
10438         (Target_x86_64::do_finalize_sections): Set global_offset_table_
10439         size.
10440
10441         * layout.cc (Layout::Layout): Initialize increase_relro_.
10442         (Layout::get_output_section): Add is_relro, is_last_relro, and
10443         is_first_non_relro parameters.  Change all callers.
10444         (Layout::choose_output_section): Likewise.
10445         (Layout::add_output_section_data): Likewise.
10446         (Layout::make_output_section): Likewise.
10447         (Layout::set_segment_offsets): Clear increase_relro when using a
10448         linker script.
10449         * layout.h (class Layout): Add increase_relro method.  Add
10450         increase_relro_ field.  Update declarations.
10451         * output.cc (Output_section::Output_section): Initialize
10452         is_last_relro_ and is_first_non_relro_.
10453         (Output_segment::add_output_section): Group relro sections is
10454         do_sort is true.  Handle is_last_relro and is_first_non_relro.
10455         (Output_segment::maximum_alignment): Remove relro handling.
10456         (Output_segment::set_section_addresses): Add increase_relro
10457         parameter.  Change all callers.  Add initial alignment to align
10458         relro sections on separate page.  Remove old relro handling.
10459         (Output_segment::set_section_list_addresses): Remove in_relro
10460         parameter.  Change all callers.
10461         (Output_segment::set_offset): Add increase parameter.  Change all
10462         callers.  Remove old relro handling.
10463         * output.h (class Output_section): Add new methods: is_last_relro,
10464         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
10465         Add is_last_relro_ and is_first_non_relro_ fields.
10466         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
10467         Create separate .got.plt section.  Call increase_relro.
10468         * x86_64.cc (Target_x86_64::got_section): Likewise.
10469         * testsuite/relro_script_test.t: Add .got.plt.
10470
10471         PR 10450
10472         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
10473         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
10474         (Layout::finalize): Call set_dynamic_symbol_size.
10475         (Layout::set_dynamic_symbol_size): New function.
10476         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
10477         set_dynamic_symbol_size.
10478
10479         PR 10450
10480         * output.h (class Output_section): Add is_entsize_zero_ field.
10481         * output.cc (Output_section::Output_section): Initialize
10482         is_entsize_zero_.
10483         (Output_section::set_entsize): If two different entsizes are
10484         requested, force it to zero.
10485         (Output_section::add_input_section): Set flags for .debug_str
10486         before updating section flags.  Set entsize.
10487         (Output_section::update_flags_for_input_section): Set SHF_MERGE
10488         and SHF_STRING if all input sections have those flags.
10489
10490 2009-12-29   Rafael Espindola  <espindola@google.com>
10491
10492         * main.cc (main): Fix the sys time reporting.
10493         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
10494         reporting.
10495
10496 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
10497
10498         * options.cc (General_options::parse_version): Allow -v to exit
10499         without an error if there is nothing to link.
10500
10501 2009-12-29  Ian Lance Taylor  <iant@google.com>
10502
10503         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
10504         using a version of gcc before 4.1.
10505         * configure: Rebuild.
10506
10507 2009-12-28  Chris Demetriou  <cgd@google.com>
10508
10509         * attributes.cc (Output_attributes_section_data::do_write): Use
10510         std::vector::front rather than std::vector::data.
10511
10512 2009-12-28  Ian Lance Taylor  <iant@google.com>
10513
10514         * symtab.h (class Symbol_table): Add enum Defined.
10515         * resolve.cc (Symbol_table::should_override): Add defined
10516         parameter.  Change all callers.  Test whether object is NULL
10517         before calling a method on it.
10518         (Symbol_table::report_resolve_problem): Add defined parameter.
10519         Change all callers.
10520         (Symbol_table::should_override_with_special): Likewise.
10521         * symtab.cc (Symbol_table::define_in_output_data): Add defined
10522         parameter.  Change all callers.
10523         (Symbol_table::do_define_in_output_data): Likewise.
10524         (Symbol_table::define_in_output_segment): Likewise.
10525         (Symbol_table::do_define_in_output_segment): Likewise.
10526         (Symbol_table::define_as_constant): Likewise.
10527         (Symbol_table::do_define_as_constant): Likewise.
10528         * script.h (class Symbol_assignment): Add is_defsym parameter to
10529         constructor; change all callers.
10530         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
10531         parameter.  Change all callers.  Add is_defsym_ field.
10532         (class Parser_closure): Add parsing_defsym parameter to
10533         constructor; change all callers.  Add parsing_defsym accessor
10534         function.  Add parsing_defsym_ field.
10535
10536 2009-12-28  Ian Lance Taylor  <iant@google.com>
10537
10538         * gold.cc (queue_middle_tasks): Fix formatting.
10539         * object.cc (Relobj::is_section_name_included): Likewise.
10540
10541 2009-12-23  Ian Lance Taylor  <iant@google.com>
10542
10543         * i386.cc (Target_i386::do_calls_non_split): Recognize
10544         -fsplit-stack prologue for a function with a static chain.
10545         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
10546         -fsplit-stack prologue when using %r11.
10547
10548 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
10549
10550         * options.cc (General_options::parse_version): Make -v continue and do
10551         the link like GNU ld does.
10552
10553 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
10554
10555         * Makefile.am (CCFILES): Add timer.cc.
10556         (HFILES): Add timer.h.
10557         * configure.ac: Check for sysconf and times.
10558         * main.cc: include timer.h.
10559         (main): Use Timer instead of get_run_time.
10560         * timer.cc: New.
10561         * timer.h: New.
10562         * workqueue.cc: include timer.h.
10563         (Workqueue::find_and_run_task):
10564         Report user, sys and wall time.
10565         * Makefile.in: Regenerate.
10566         * config.in: Regenerate.
10567         * configure: Regenerate.
10568
10569 2009-12-16  Doug Kwan  <dougkwan@google.com>
10570
10571         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
10572         sections.
10573         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
10574         relaxed input sections.
10575         * output.cc (Output_section::find_relaxed_input_section): Change
10576         return type to Output_relaxed_input_section pointer.  Adjust code
10577         for new type of relaxed_input_section_map_.
10578         * output.h (Output_section::find_relaxed_input_section): Change
10579         return type to Output_relaxed_input_section pointer.
10580         (Output_section::Output_relaxed_input_section_by_input_section_map):
10581         New type.
10582         (Output_section::relaxed_input_section_map_): Change type to
10583         Output_section::Output_relaxed_input_section_by_input_section_map.
10584         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
10585         input section.
10586
10587 2009-12-15  Ian Lance Taylor  <iant@google.com>
10588
10589         * layout.cc (Layout::create_shstrtab): Only write out after input
10590         sections if we are compressing debug sections.
10591
10592 2009-12-15  Ian Lance Taylor  <iant@google.com>
10593
10594         * archive.cc (Archive::add_symbols): Only look up a symbol without
10595         a version if there is, in fact, a version.
10596
10597 2009-12-14  Ian Lance Taylor  <iant@google.com>
10598
10599         Revert -Wshadow changes, all changes from:
10600         2009-12-11  Doug Kwan  <dougkwan@google.com>
10601         2009-12-11  Nick Clifton  <nickc@redhat.com>
10602         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
10603
10604 2009-12-11  Doug Kwan  <dougkwan@google.com>
10605
10606         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
10607         due to -Wshadow.
10608         * attributes.cc (Object_attribute::size): Ditto.
10609         (Attributes_section_data::size): Ditto.
10610         (Attributes_section_data::Attributes_section_data): Ditto.
10611         (Output_attributes_section_data::do_write): Ditto.
10612         * attributes.h (Object_attribute::set_type): Ditto.
10613         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
10614
10615 2009-12-11  Nick Clifton  <nickc@redhat.com>
10616
10617         * archive.cc: Fix shadowed variable warnings.
10618         * arm.cc: Likewise.
10619         * compressed_output.cc: Likewise.
10620         * compressed_output.h: Likewise.
10621         * configure: Likewise.
10622         * dwarf_reader.cc: Likewise.
10623         * dynobj.cc: Likewise.
10624         * dynobj.h: Likewise.
10625         * ehframe.cc: Likewise.
10626         * ehframe.h: Likewise.
10627         * errors.cc: Likewise.
10628         * expression.cc: Likewise.
10629         * fileread.cc: Likewise.
10630         * fileread.h: Likewise.
10631         * freebsd.h: Likewise.
10632         * i386.cc: Likewise.
10633         * icf.cc: Likewise.
10634         * incremental.h: Likewise.
10635         * layout.cc: Likewise.
10636         * layout.h: Likewise.
10637         * mapfile.cc: Likewise.
10638         * merge.cc: Likewise.
10639         * merge.h: Likewise.
10640         * object.cc: Likewise.
10641         * object.h: Likewise.
10642         * options.h: Likewise.
10643         * output.cc: Likewise.
10644         * output.h: Likewise.
10645         * parameters.cc: Likewise.
10646         * plugin.cc: Likewise.
10647         * powerpc.cc: Likewise.
10648         * reduced_debug_output.cc: Likewise.
10649         * reduced_debug_output.h: Likewise.
10650         * reloc.cc: Likewise.
10651         * reloc.h: Likewise.
10652         * resolve.cc: Likewise.
10653         * script-sections.cc: Likewise.
10654         * script.cc: Likewise.
10655         * script.h: Likewise.
10656         * sparc.cc: Likewise.
10657         * symtab.cc: Likewise.
10658         * symtab.h: Likewise.
10659         * target-select.cc: Likewise.
10660         * target-select.h: Likewise.
10661         * token.h: Likewise.
10662         * workqueue.cc: Likewise.
10663         * workqueue.h: Likewise.
10664         * x86_64.cc: Likewise.
10665
10666 2009-12-10  Doug Kwan  <dougkwan@google.com>
10667
10668         * arm.cc (attributes.h): New include.
10669         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
10670         (Arm_relobj::~Arm_relobj): Delete object pointed by
10671         attributes_section_data_.
10672         (Arm_relobj::attributes_section_data): New method definition.
10673         (Arm_relobj::attributes_section_data_): New data member declaration.
10674         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
10675         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
10676         attributes_section_data_.
10677         (Arm_dynobj::attributes_section_data): New method definition.
10678         (Arm_dynobj::attributes_section_data_): New data member declaration.
10679         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
10680         initialization value of may_use_blx_ to false.
10681         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
10682         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
10683         object attributes to compute results instead of hard-coding.
10684         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
10685         Target_arm::get_secondary_compatible_arch,
10686         Target_arm::set_secondary_compatible_arch
10687         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
10688         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
10689         New method declarations.
10690         (Target_arm::get_aeabi_object_attribute): New method definition.
10691         (Target_arm::attributes_section_data_): New data member declaration.
10692         (read_arm_attributes_section): New template definition.
10693         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
10694         (Arm_dynobj::do_read_symbols): Ditto.
10695         (Target_arm::do_finalize_sections): Merge attributes sections from
10696         input.  Check for BLX use after attributes section merging.
10697         Fix __exidx_start and __exidx_end visibility.  Create an
10698         .ARM.attributes section if necessary.
10699         (Target_arm::get_secondary_compatible_arch,
10700         Target_arm::set_secondary_compatible_arch,
10701         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
10702         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
10703         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
10704         New method definitions.
10705
10706 2009-12-09  Ian Lance Taylor  <iant@google.com>
10707
10708         * plugin.cc (Plugin::load): Don't cast from void* to a function
10709         pointer.
10710
10711 2009-12-09  Ian Lance Taylor  <iant@google.com>
10712
10713         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
10714         information fields.
10715
10716 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
10717
10718         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
10719         Replace two_file_shared_1.so with two_file_shared_2.so.
10720         * testsuite/Makefile.in: Regenerated.
10721
10722 2009-12-08  Doug Kwan  <dougkwan@google.com>
10723
10724         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
10725         (HFILES): Add attributes.h and int_encoding.h.
10726         * Makefile.in: Regenerate.
10727         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
10728         function definitions to int_encoding.cc
10729         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
10730         prototypes to int_encoding.h
10731         * reduced_debug_output.cc (int_encoding.h): New include.
10732         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
10733         function definitions to int_encoding.cc
10734         (insert_into_vector, read_from_pointer): Move template definitions to
10735         int_encoding.h
10736         * attributes.cc: New file.
10737         * attributes.h: New file.
10738         * int_encoding.cc: New file.
10739         * int_encoding.h: New file.
10740
10741 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
10742
10743         PR gold/11055
10744         * incremental-dump.cc (dump_incremental_inputs): New.
10745         (main): Use dump_incremental_inputs.
10746
10747 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
10748
10749         PR gold/10893
10750         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
10751         checking elfcpp::STT_FUNC.
10752         (Target_i386::Relocate::relocate): Likewise.
10753         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
10754
10755         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
10756         symbols from shared libraries into normal FUNC symbols.
10757
10758         * symtab.h (Symbol): Add is_func and use it.
10759
10760 2009-12-05  Doug Kwan  <dougkwan@google.com>
10761
10762         * arm.cc (Target_arm::arm_info): Initialize new fields
10763         attributes_section and attributes_vendor.
10764         * i386.cc (Target_i386::i386_info): Same.
10765         * object.cc (Sized_relobj::do_layout): Skip attribute section.
10766         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
10767         fields attributes_section and attributes_vendor.
10768         * sparc.cc (Target_sparc::sparc_info): Same.
10769         * target.h (Target::attributes_section, Target::attributes_vendor,
10770         Target::is_attributes_section, Target::attribute_arg_type,
10771         Target::attributes_order): New method definitions.
10772         (Target::Target_info::attributes_section,
10773         Target::Target_info::attributes_vendor): New fields.
10774         (Target::do_attribute_arg_type, Target::do_attributes_order): New
10775         virtual method definitions.
10776         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
10777         attributes_section and attributes_vendor.
10778         * testsuite/testfile.cc (Target_test::test_target_info): Same.
10779
10780 2009-12-05  Doug Kwan  <dougkwan@google.com>
10781
10782         * arm.cc: Update comments about interworking and stub generation.
10783         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
10784         considered as non-PIC.
10785         (Arm_relocate_functions::base_abs): Fix formatting.
10786         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
10787         of function to use GOT entry address instead of offset.
10788         (Target_arm::Scan::global): Issue an error if a symbol would need a
10789         PLT does not get one because it is untyped.  Remove code to create
10790         dynamic symbols for relative branches.
10791         (Target_arm::Relocate::relocate: Use 0 instead of false since function
10792         takes unsigned integer instead of boolean.
10793
10794 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
10795
10796         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
10797         (two_file_test_LDADD): Likewise.
10798         (common_test_1_LDADD): Likewise.
10799         (exception_test_LDADD) Likewise.
10800         (weak_test_LDADD): Likewise.
10801         (many_sections_test_LDADD): Likewise.
10802         (initpri1_LDADD): Likewise.
10803         (script_test_1_LDADD): Likewise.
10804         (script_test_2_LDADD): Likewise.
10805         (justsyms_LDADD): Likewise.
10806         (binary_test_LDADD): Likewise.
10807         (large_LDADD): Likewise.
10808         * testsuite/Makefile.in: Regenerated.
10809
10810 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
10811
10812         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
10813         (Symbol_table::override_with_special): Likewise.
10814         (Symbol_table::add_from_object): Likewise.
10815
10816 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
10817
10818         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
10819         Don't set the data_offset twice.
10820
10821 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
10822
10823         * testsuite/Makefile.in: Regenerate.
10824
10825 2009-12-03  Doug Kwan  <dougkwan@google.com>
10826
10827         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
10828         (Target_arm::do_finalize_sections): Add parameter for symbol table
10829         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
10830         * i386.cc (Target_i386::do_finalize_sections): Add an additional
10831         parameter for symbol table pointer.
10832         * layout.cc (Layout::finalize): Call Target::finalize_sections with
10833         an additional parameter for a pointer to symbol table.
10834         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
10835         parameter for a symbol table pointer.
10836         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
10837         * target.h (Target::finalize_sections, Target::do_finalize_sections):
10838         Ditto.
10839         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
10840         parameter for a symbol table pointer.
10841
10842 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
10843
10844         * incremental.cc (Incremental_inputs_header)
10845         (Incremental_inputs_header_write, Incremental_inputs_entry)
10846         (Incremental_inputs_entry_write): Move ...
10847         * incremental.h (Incremental_inputs_header)
10848         (Incremental_inputs_header_write, Incremental_inputs_entry)
10849         (Incremental_inputs_entry_write): here.
10850
10851 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
10852
10853         * incremental.cc (make_sized_incremental_binary): Set the target.
10854         Error if it is incompatible.
10855         * output.h (Output_file): Add filename method.
10856
10857 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
10858
10859         * incremental.cc (Incremental_inputs_entry): Remove unused argument
10860         from the get_* methods.
10861
10862 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
10863
10864         * incremental-dump.cc (main): Check that the offeset of a script is 0.
10865         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
10866         Write 0 for the data_offset of scripts.
10867
10868 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
10869
10870         * testsuite/Makefile.am: Add the incremental_test.sh test.
10871         * testsuite/incremental_test.sh: New.
10872         * testsuite/incremental_test_1.c: New.
10873         * testsuite/incremental_test_2.c: New.
10874
10875 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
10876
10877         * incremental-dump.cc (main): Fix typos.
10878
10879 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
10880
10881         PR gold/11025
10882         * incremental-dump.cc (main): Use llu to print 64 bit values.
10883
10884 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
10885             H.J. Lu  <hongjiu.lu@intel.com>
10886
10887         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
10888         $(LIBDL).
10889         (incremental_dump_LDADD): Likewise.
10890         * Makefile.in: Regenerated.
10891
10892 2009-11-25  Doug Kwan  <dougkwan@google.com>
10893
10894         Revert:
10895
10896         2009-11-25  Doug Kwan  <dougkwan@google.com>
10897
10898                 * arm.cc (Target_arm::Target_arm): Move method definition
10899                 outside of class definition.  Add code to handle
10900                 --target1-rel, --target1-abs and --target2= options.
10901                 (Target_arm::get_reloc_reloc_type): Change method to be
10902                 non-static and const.
10903                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
10904                 New data member declaration.
10905                 (Target_arm::Scan::local, Target_arm::Scan::global,
10906                 Target_arm::Relocate::relocate,
10907                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10908                 Adjust call to Target_arm::get_real_reloc_type.
10909                 (Target_arm::get_real_reloc_type): Use command line options
10910                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
10911                 * options.h (--target1-rel, --target1-abs, --target2): New
10912                 ARM-only options.
10913
10914 2009-11-25  Doug Kwan  <dougkwan@google.com>
10915
10916         * arm.cc (Target_arm::Target_arm): Move method definition outside of
10917         class definition.  Add code to handle --target1-rel, --target1-abs
10918         and --target2= options.
10919         (Target_arm::get_reloc_reloc_type): Change method to be non-static
10920         and const.
10921         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
10922         member declaration.
10923         (Target_arm::Scan::local, Target_arm::Scan::global,
10924         Target_arm::Relocate::relocate,
10925         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
10926         call to Target_arm::get_real_reloc_type.
10927         (Target_arm::get_real_reloc_type): Use command line options to
10928         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
10929         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
10930         options.
10931
10932 2009-11-25  Doug Kwan  <dougkwan@google.com>
10933
10934         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
10935         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
10936         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
10937         formatting.
10938         (Arm_relocate_functions::thm_call): Replace body with a call to
10939         Arm_relocate_functions::thumb_branch_common.
10940         (Arm_relocate_functions::thm_jump24,
10941         Arm_relocate_functions::thm_xpc22): New method definitions.
10942         (Arm_relocate_functions::thumb_branch_common): New method definition.
10943         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
10944         operator.
10945         (Target_arm::Relocate::relocate): Adjust call to thm_call.
10946         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
10947
10948 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
10949
10950         * Makefile.am: Build incremental-dump
10951         * Makefile.in: Regenerate.
10952         * incremental-dump.cc: New.
10953         * incremental.cc (Incremental_inputs_header_data,
10954         Incremental_inputs_entry_data): Move to incremental.h
10955         * incremental.h: (Incremental_inputs_header_data,
10956         Incremental_inputs_entry_data): Move from incremental.cc
10957
10958 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
10959
10960         * incremental.cc (Incremental_inputs_header,
10961         Incremental_inputs_header_write, Incremental_inputs_entry,
10962         Incremental_inputs_entry_write): Add a typedef with the data type.
10963
10964 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
10965
10966         * incremental.cc (Incremental_inputs_header,
10967         Incremental_inputs_header_write, Incremental_inputs_entry,
10968         Incremental_inputs_entry_write): Update comment about which
10969         type has the filed descriptions.
10970
10971 2009-11-15  Doug Kwan  <dougkwan@google.com>
10972
10973         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
10974         (Arm_relocate_functions::arm_branch_common): Change method defintion
10975         in class definition to a method declaration and update list of formal
10976         parameters.
10977         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
10978         Arm_relocation_functions::jump24): Adjust call to
10979         Arm_relocate_functions::arm_branch_common.  Update list of formal
10980         parameters.
10981         (Arm_relocate_functions::xpc25): New method definition.
10982         (Arm_relocate_functions::arm_branch_common): Move method defintion
10983         out from class definition.  Use stubs for mode-switching and extending
10984         branch ranges.
10985         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
10986         specially.  Change code to enable use of stubs in ARM branches.
10987
10988 2009-11-10  Doug Kwan  <dougkwan@google.com>
10989
10990         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
10991         in method declaration.
10992         (Target_arm::relocate_stub): New method declaration.
10993         (Target_arm::default_target): Change to return a pointer instead of
10994         a const reference.
10995         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
10996         Target_arm::default_target.
10997         (Arm_Relobj::do_relocate_sections): Remove options paramater in
10998         method definition.
10999         (Target_arm::relocate_section): Adjust view.
11000         (Target_arm::relocate_stub): New method definition.
11001
11002 2009-11-10  Doug Kwan  <dougkwan@google.com>
11003
11004         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
11005         a format warning.
11006         * incremental.cc (open_incremental_binary): Initialized local
11007         variables to avoid warnings.
11008         * object.cc (make_elf_object): Ditto.
11009         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
11010         a format warning.
11011
11012 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
11013
11014         PR gold/10930
11015         * testsuite/plugin_test.c: Include "config.h".
11016
11017 2009-11-09  Doug Kwan  <dougkwan@google.com>
11018
11019         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
11020         (arm_symbol_value): Remove.
11021         (Arm_relocate_functions::arm_branch_common,
11022         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
11023         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
11024         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
11025         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
11026         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
11027         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
11028         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
11029         Arm_relocate_functions::thm_mobw_abs_nc,
11030         Arm_relocate_functions::thm_mov_abs,
11031         Arm_relocate_functions::movw_prel_nc,
11032         Arm_relocate_functions::thm_movt_abs,
11033         Arm_relocate_functions::movt_prel,
11034         Arm_relocate_functions::thm_movw_prel_nc,
11035         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
11036         (Target_arm::Relocate::relocate): Only decompose address into two
11037         parts if relocation type uses the thumb-bit and pass the actual
11038         bit instead of a flag indicating that the thumb-bit is used.  Adjust
11039         calls to methods in Arm_relocate_functions for this change.
11040
11041 2009-11-08  Ian Lance Taylor  <iant@google.com>
11042
11043         PR 10925
11044         * reloc.cc: Instantiate
11045         Sized_relobj::initialize_input_to_output_maps and
11046         Sized_relobj:free_input_to_output_maps.
11047
11048 2009-11-06  Ian Lance Taylor  <iant@google.com>
11049
11050         PR 10876
11051         * defstd.cc (in_segment): Set only_if_ref true for "end".
11052
11053 2009-11-06  Doug Kwan  <dougkwan@google.com>
11054
11055         * arm.cc (class Reloc_stub): Correct a comment.
11056         (Target_arm::Target_arm): Initialize arm_input_section_map_.
11057         (Target_arm::scan_section_for_stubs): New method declaration.
11058         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
11059         Change methods from private to protected.
11060         (Target_arm::do_may_relax): New method definition.
11061         (Target_arm::do_relax, Target_arm::group_sections,
11062         Target_arm::scan_reloc_for_stub,
11063         Target_arm::scan_reloc_section_for_stubs): New method declarations.
11064         (Target_arm::arm_input_section_map_): New data member declaration.
11065         (Target_arm::scan_reloc_for_stub,
11066         Target_arm::scan_reloc_section_for_stubs,
11067         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
11068         Target_arm::do_relax): New method definitions.
11069
11070 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
11071
11072         * configure.ac: Check for (struct stat)::st_mtim
11073         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
11074         * config.in: Regenerate.
11075         * configure: Regenerate.
11076
11077 2009-11-05  Ian Lance Taylor  <iant@google.com>
11078
11079         PR 10910
11080         * output.cc (Output_segment::add_output_section): Add missing
11081         return statement.
11082
11083 2009-11-04  Ian Lance Taylor  <iant@google.com>
11084
11085         PR 10880
11086         * object.h (class Object): Add is_needed and set_is_needed
11087         methods.  Add is_needed_ field.  Make bool fields into bitfields.
11088         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
11089         defined in a dynamic object and referenced by a regular object,
11090         set is_needed for the dynamic object.
11091         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
11092         if the file is marked with as_needed and it is not needed.
11093
11094 2009-11-04  Ian Lance Taylor  <iant@google.com>
11095
11096         PR 10887
11097         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
11098         tags if data is discarded by linker script.
11099         * i386.cc (Target_i386::do_finalize_sections): Likewise.
11100         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
11101         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
11102         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
11103
11104 2009-11-04  Ian Lance Taylor  <iant@google.com>
11105
11106         * layout.cc (Layout::get_output_section): Add is_interp and
11107         is_dynamic_linker_section parameters.  Change all callers.
11108         (Layout::choose_output_section): Likewise.
11109         (Layout::make_output_section): Likewise.
11110         (Layout::add_output_section_data): Add is_dynamic_linker_section
11111         parameter.  Change all callers.
11112         * layout.h (class Layout): Update declarations.
11113         * output.h (class Output_section): Add is_interp, set_is_interp,
11114         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
11115         Add is_interp_, is_dynamic_linker_section_ fields.  Change
11116         generate_code_fills_at_write_ to a bitfield.
11117         * output.cc (Output_section::Output_sections): Initialize new
11118         fields.
11119         (Output_segment::add_output_section): Add do_sort parameter.
11120         Change all callers.
11121
11122 2009-11-03  Ian Lance Taylor  <iant@google.com>
11123
11124         PR 10860
11125         * options.h (class General_options): Add --warn-common.
11126         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
11127         merging two common symbols.
11128         (Symbol_table::should_override): Handle --warn-common when merging
11129         a common symbol with a defined symbol.  Use report_resolve_problem
11130         for multiple definitions.
11131         (Symbol_table::report_resolve_problem): New function.
11132         * symtab.h (class Symbol_table): Declare report_resolve_problem.
11133
11134 2009-11-03  Doug Kwan  <dougkwan@google.com>
11135
11136         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
11137         stub_factory_.
11138         (Target_arm::stub_factory): New method definition.
11139         (Target_arm::new_arm_input_section,
11140         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
11141         Target_arm::reloc_uses_thumb_bit): New method declarations.
11142         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
11143         New type definitions.
11144         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
11145         member declarations.
11146         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
11147         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
11148         New method definitions.
11149
11150 2009-11-03  Ian Lance Taylor  <iant@google.com>
11151
11152         * options.h (class General_options): Add --warn_constructors.
11153
11154 2009-11-03  Ian Lance Taylor  <iant@google.com>
11155
11156         PR 10893
11157         * defstd.cc (in_section): Add entries for __rel_iplt_start,
11158         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
11159
11160 2009-11-03  Ian Lance Taylor  <iant@google.com>
11161
11162         PR 10895
11163         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
11164         --msgid-bugs-address.
11165         (install-pdf): New target.
11166         (install-data_yes): Look up one directory to find mkinstalldirs.
11167
11168 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
11169
11170         * po/Make-in (.po.gmo): Don't generate .gmo files in source
11171         tree.
11172
11173 2009-10-30  Doug Kwan  <dougkwan@google.com>
11174
11175         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
11176
11177 2009-10-30  Doug Kwan  <dougkwan@google.com>
11178
11179         * arm.cc (Stub_addend_reader): New struct template definition
11180         and partial specializations.
11181         (Stub_addend_reader::operator()): New method definition for a
11182         partially specialized template.
11183
11184 2009-10-30  Doug Kwan  <dougkwan@google.com>
11185
11186         * arm.cc (Arm_relobj::processor_specific_flags): New method
11187         definition.
11188         (Arm_relobj::do_read_symbols): New method declaration.
11189         (Arm_relobj::processor_specific_flags_): New data member declaration.
11190         (Arm_dynobj): New class definition.
11191         (Target_arm::do_finalize_sections): Add input_objects parameter.
11192         (Target_arm::do_adjust_elf_header): New method declaration.
11193         (Target_arm::are_eabi_versions_compatible,
11194         (Target_arm::merge_processor_specific_flags): New method declaration.
11195         (Target_arm::do_make_elf_object): New overloaded method definitions
11196         and declaration.
11197         (Arm_relobj::do_read_symbols): New method definition.
11198         (Arm_dynobj::do_read_symbols): Ditto.
11199         (Target_arm::do_finalize_sections): Add input_objects parameters.
11200         Merge processor-specific flags from all input objects.
11201         (Target_arm::are_eabi_versions_compatible,
11202         Target_arm::merge_processor_specific_flags,
11203         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
11204         New method definitions.
11205         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
11206         Input_objects pointer type parameter.
11207         * layout.cc (Layout::finalize): Pass input objects to target's.
11208         finalize_sections function.
11209         * output.cc (Output_file_header::do_sized_write): Set ELF file
11210         header's processor-specific flags.
11211         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
11212         Input_objects pointer type parameter.
11213         * sparc.cc (Target_sparc::do_finalize_sections): Same.
11214         * target.h (Input_objects): New forward class declaration.
11215         (Target::processor_specific_flags,
11216         Target::are_processor_specific_flags_sect): New method definitions.
11217         (Target::finalize_sections): Add input_objects parameter.
11218         (Target::Target): Initialize processor_specific_flags_ and
11219         are_processor_specific_flags_set_.
11220         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
11221         parameter.
11222         (Target::set_processor_specific_flags): New method definition.
11223         (Target::processor_specific_flags_,
11224         Target::are_processor_specific_flags_set_): New data member
11225         declarations.
11226         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
11227         Input_objects pointer type parameter.
11228
11229 2009-10-30  Doug Kwan  <dougkwan@google.com>
11230
11231         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
11232
11233 2009-10-28  Ian Lance Taylor  <iant@google.com>
11234
11235         * object.h (class Relobj): Drop options parameter from
11236         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
11237         do_scan_relocs, do_relocate.  Change all callers.
11238         (class Sized_relobj): Drop options parameters from
11239         do_gc_process_relocs, do_scan_relocs, do_relocate,
11240         do_relocate_sections, relocate_sections, emit_relocs_scan,
11241         emit_relocs_scan_reltype.  Change all callers.
11242         (struct Relocate_info): Remove options field and all references to
11243         it.
11244         * reloc.h (class Read_relocs): Remove options constructor
11245         parameter and options_ field.  Change all callers.
11246         (class Gc_process_relocs, class Scan_relocs): Likewise.
11247         (class Relocate_task): Likewise.
11248         * target-reloc.h (scan_relocs): Remove options parameter.  Change
11249         all callers.
11250         (scan_relocatable_relocs): Likewise.
11251         * target.h (class Sized_target): Remove options parameter from
11252         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
11253         all callers.
11254         * gc.h (gc_process_relocs): Remove options parameter.  Change all
11255         callers.
11256         * arm.cc: Update functions to remove options parameters.
11257         * i386.cc: Likewise.
11258         * powerpc.cc: Likewise.
11259         * sparc.cc: Likewise.
11260         * x86_64.cc: Likewise.
11261         * testsuite/testfile.cc: Likewise.
11262
11263 2009-10-28  Doug Kwan  <dougkwan@google.com>
11264
11265         * arm.cc (Arm_relobj): New class definition.
11266         (Arm_relobj::scan_sections_for_stubs,
11267         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
11268         New method definitions.
11269
11270 2009-10-28  Cary Coutant  <ccoutant@google.com>
11271
11272         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
11273         (Plugin::cleanup_done_): New member.
11274         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
11275         (Plugin_manager::cleanup_done_): Remove.
11276         (Plugin_manager::add_input_file): Edit error message.
11277         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
11278         (Plugin_manager::cleanup): Remove use of cleanup_done_.
11279
11280 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
11281
11282         * fileread.cc: (File_read::View::~View): Use the new
11283         data_ownership_ filed.
11284         (File_read::~File_read): Dispose the new whole_file_view_.
11285         (File_read::open): Mmap the whole file if needed.
11286         (File_read::open): Use whole_file_view_ instead of contents_.
11287         (File_read::find_view): Use whole_file_view_ if applicable.
11288         (File_read::do_read): Use whole_file_view_ instead of contents_.
11289         (File_read::make_view): Use whole_file_view_ instead of contents_,
11290         update File_read::View::View call.
11291         (File_read::find_or_make_view): Update File_read::View::View
11292         call.
11293         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
11294         remove contents_
11295         (File_read::View::Data_ownership): New enum.
11296         (File_read::View::View): Replace bool mapped_ with Data_ownership
11297         argument.
11298         (File_read::View::mapped_): Remove (replaced by data_ownership_).
11299         (File_read::View::data_ownership_): New field.
11300         (File_read::contents_): Remove (replaced by whole_file_view_).
11301         (File_read::whole_file_view_): New field.
11302         * options.h (class General_options): Add --keep-files-mapped.
11303
11304 2009-10-27  Cary Coutant  <ccoutant@google.com>
11305
11306         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
11307         * testsuite/Makefile.am (plugin_test_5): New test case.
11308         * testsuite/Makefile.in: Regenerate.
11309
11310 2009-10-25  Doug Kwan  <dougkwan@google.com>
11311
11312         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
11313         from private to protected to allow access by child class.
11314         (Sized_relobj::do_relocate_sections): New method declaration.
11315         (Sized_relobj::relocate_sections): Virtualize.
11316         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
11317         Sized_relobj::relocate_sections.  Instantiate template explicitly
11318         for different target sizes and endianity.
11319
11320 2009-10-24  Doug Kwan  <dougkwan@google.com>
11321
11322         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
11323         (Arm_input_section::as_arm_input_section): New method.
11324         (Arm_output_section): New class definition.
11325         (Arm_output_section::create_stub_group,
11326         Arm_output_section::group_sections): New method definitions.
11327
11328 2009-10-22  Doug Kwan  <dougkwan@google.com>
11329
11330         * arm.cc (Arm_input_section): New class definition.
11331         (Arm_input_section::init, Arm_input_section:do_write,
11332         Arm_input_section::set_final_data_size,
11333         Arm_input_section::do_reset_address_and_file_offset): New method
11334         definitions.
11335
11336 2009-10-21  Doug Kwan  <dougkwan@google.com>
11337
11338         * arm.cc (Stub_table, Arm_input_section): New forward class
11339         declarations.
11340         (Stub_table): New class defintion.
11341         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
11342         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
11343         New method definition.
11344
11345 2009-10-21  Doug Kwan  <dougkwan@google.com>
11346
11347         * arm.cc: Update copyright comments.
11348         (Target_arm): New forward class template declaration.
11349         (Arm_address): New type.
11350         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
11351         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
11352         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
11353         constants.
11354         (Insn_template): Same.
11355         (DEF_STUBS): New macro.
11356         (Stub_type): New enum type.
11357         (Stub_template): New class definition.
11358         (Stub): Same.
11359         (Reloc_stub): Same.
11360         (Stub_factory): Same.
11361         (Target_arm::Target_arm): Initialize may_use_blx_ and
11362         should_force_pic_veneer_.
11363         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
11364         Target_arm::should_force_pic_veneer,
11365         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
11366         Target_arm::using_thumb_only, Target_arm:;default_target): New
11367         method defintions.
11368         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
11369         New data member declarations.
11370         (Insn_template::size, Insn_template::alignment): New method defintions.
11371         (Stub_template::Stub_template): New method definition.
11372         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
11373         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
11374         (Stub_factory::Stub_factory): New method definition.
11375         * gold.h (string_hash): New template.
11376         * output.h (Input_section_specifier::hash_value): Use
11377         gold::string_hash.
11378         (Input_section_specifier::string_hash): Remove.
11379         * stringpool.cc (Stringpool_template::string_hash): Use
11380         gold::string_hash.
11381
11382 2009-10-20  Doug Kwan  <dougkwan@google.com>
11383
11384         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
11385         symbols of relaxed input sections.
11386         * output.h (Output_section::find_relaxed_input_section): Make
11387         method public.
11388
11389 2009-10-16  Doug Kwan  <dougkwan@google.com>
11390
11391         * dynobj.cc (Versions::Versions): Initialize version_script_.
11392         Only insert base version symbol definition for a shared object
11393         if version script defines any version versions.
11394         (Versions::define_base_version): New method definition.
11395         (Versions::add_def): Check that base version is not needed.
11396         (Versions::add_need): Define base version lazily.
11397         * dynobj.h (Versions::define_base_version): New method declaration.
11398         (Versions::needs_base_version_): New data member declaration.
11399         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
11400         (check_DATA): Add no_version_test.stdout.
11401         (libno_version_test.so, no_version_test.o no_version_test.stdout):
11402         New make rules.
11403         * testsuite/Makefile.in: Regenerate.
11404         * testsuite/no_version_test.c: New file.
11405         * testsuite/no_version_test.sh: Ditto.
11406
11407 2009-10-16  Doug Kwan  <dougkwan@google.com>
11408
11409         * expression.cc (class Segment_start_expression): New class definition.
11410         (Segment_start_expression::value): New method definition.
11411         (script_exp_function_segment_start): Return a new
11412         Segment_start_expression.
11413         * gold/script-c.h (script_saw_segment_start_expression): New function
11414         prototype.
11415         * script-sections.cc (Script_sections::Script_sections): Initialize
11416         SAW_SEGMENT_START_EXPRESSION_ to false.
11417         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
11418         and -Tbbs options to specify section addresses if given in
11419         command line and no SEGMENT_START expression is seen in a script.
11420         * script-sections.h (Script_sections::saw_segment_start_expression,
11421         Script_sections::set_saw_segment_start_expression): New method
11422         definition.
11423         (Script_sections::saw_segment_start_expression_): New data member
11424         declaration.
11425         * script.cc (script_saw_segment_start_expression): New function.
11426         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
11427         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
11428         script_test_7.sh and script_test_8.sh.
11429         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
11430         script_test_8.stdout.
11431         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
11432         (script_test_6, script_test_6.stdout, script_test_7,
11433         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
11434         * Makefile.in: Regenerate.
11435         * testsuite/script_test_6.sh: New file.
11436         * testsuite/script_test_6.t: Same.
11437         * testsuite/script_test_7.sh: Same.
11438         * testsuite/script_test_7.t: Same.
11439         * testsuite/script_test_8.sh: Same.
11440
11441 2009-10-16  Doug Kwan  <dougkwan@google.com>
11442
11443         * output.cc (Output_segment::set_section_list_address): Cast
11444         expressions to unsigned long long type to avoid format warnings.
11445
11446 2009-10-15  Ian Lance Taylor  <iant@google.com>
11447
11448         * script.cc (Script_options::add_symbol_assignment): Always add a
11449         dot assignment to script_sections_.
11450         * script-sections.cc (Script_sections::add_dot_assignment):
11451         Initialize if necessary.
11452
11453         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
11454         program headers with no load segment if there is a linker script.
11455
11456         * layout.cc (Layout::set_segment_offsets): Align the file offset
11457         to the segment aligment for -N or -n with no load segment.
11458         * output.cc (Output_segment::add_output_section): Don't crash if
11459         the first section is a TLS section.
11460         (Output_segment::set_section_list_addresses): Print an error
11461         message if the address moves backward in a linker script.
11462         * script-sections.cc
11463         (Output_section_element_input::set_section_addresses): Don't
11464         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
11465         (Orphan_output_section::set_section_addresses): Likewise.
11466
11467 2009-10-15  Doug Kwan  <dougkwan@google.com>
11468
11469         * layout.cc (Layout::finish_dynamic_section): Generate tags
11470         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
11471         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
11472         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
11473
11474 2009-10-14  Ian Lance Taylor  <iant@google.com>
11475
11476         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
11477         fields.
11478         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
11479         data_shdr fields of relinfo.
11480         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
11481         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
11482         R_386_TLS_LDO_32, adjust based on section flags.
11483         (Target_i386::Relocate::fix_up_ldo): Remove.
11484
11485 2009-10-13  Ian Lance Taylor  <iant@google.com>
11486
11487         Add support for -pie.
11488         * options.h (class General_options): Add -pie and
11489         --pic-executable.
11490         (General_options::output_is_position_independent): Test -pie.
11491         (General_options::output_is_executable): Return true if not shared
11492         and not relocatable.
11493         (General_options::output_is_pie): Remove.
11494         * options.cc (General_options::finalize): Reject incompatible uses
11495         of -pie.
11496         * gold.cc (queue_middle_tasks): A -pie link is not static.
11497         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
11498         * symtab.cc (Symbol::final_value_is_known): Return false if
11499         output_is_position_independent.
11500         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
11501         output_is_position_independent.
11502         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
11503         output_is_position_independent.
11504         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
11505         output_is_position_independent.
11506         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
11507         two_file_pie_test.
11508         (basic_pie_test.o, basic_pie_test): New targets.
11509         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
11510         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
11511         (two_file_pie_test): New target.
11512         * testsuite/Makefile.in: Rebuild.
11513         * README: Remove note saying that -pie is not supported.
11514
11515 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
11516
11517         * options.h (class General_options): Add -init and -fini.
11518         * layout.cc (Layout::finish_dynamic_section): Emit
11519         given init and fini functions.
11520
11521 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
11522
11523         * gc.h (gc_process_relocs): Check if icf is enabled using new
11524         function.
11525         * gold.cc (queue_initial_tasks): Likewise.
11526         (queue_middle_tasks): Likewise.
11527         * object.cc (do_layout): Likewise.
11528         * symtab.cc (is_section_folded): Likewise.
11529         * main.cc (main): Likewise.
11530         * reloc.cc (Read_relocs::run): Likewise.
11531         (Sized_relobj::do_scan_relocs): Likewise.
11532         * icf.cc (is_function_ctor_or_dtor): New function.
11533         (Icf::find_identical_sections): Check if function is ctor or dtor when
11534         safe icf is chosen.
11535         * options.h (General_options::icf): Change option to be an enum.
11536         (Icf_status): New enum.
11537         (icf_enabled): New method.
11538         (icf_safe_folding): New method.
11539         (set_icf_status): New method.
11540         (icf_status_): New variable.
11541         * (options.cc) (General_options::finalize): Set icf_status_.
11542         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
11543         icf_test and icf_keep_unique_test to use the --icf enum flag.
11544         * testsuite/icf_safe_test.sh: New file.
11545         * testsuite/icf_safe_test.cc: New file.
11546
11547 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
11548
11549         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
11550         includes to gc.h and icf.h.
11551         * arm.cc: Include gc.h.
11552         * gold.cc: Likewise.
11553         * i386.cc: Likewise.
11554         * powerpc.cc: Likewise.
11555         * sparc.cc: Likewise.
11556         * x86_64.cc: Likewise.
11557         * gc.h: Include icf.h.
11558
11559 2009-10-11  Ian Lance Taylor  <iant@google.com>
11560
11561         * plugin.cc: Include "gold.h" before other header files.
11562
11563 2009-10-10  Chris Demetriou  <cgd@google.com>
11564
11565         * options.h (Input_file_argument::Input_file_type): New enum.
11566         (Input_file_argument::is_lib_): Replace with...
11567         (Input_file_argument::type_): New member.
11568         (Input_file_argument::Input_file_argument): Take Input_file_type
11569         'type' rather than boolean 'is_lib' as second argument.
11570         (Input_file_argument::is_lib): Use type_.
11571         (Input_file_argument::is_searched_file): New function.
11572         (Input_file_argument::may_need_search): Handle is_searched_file.
11573         * options.cc (General_options::parse_library): Support -l:filename.
11574         (General_options::parse_just_symbols): Update for Input_file_argument
11575         changes.
11576         (Command_line::process): Likewise.
11577         * archive.cc (Archive::get_file_and_offset): Likewise.
11578         * plugin.cc (Plugin_manager::release_input_file): Likewise.
11579         * script.cc (read_script_file, script_add_file): Likewise.
11580         * fileread.cc (Input_file::Input_file): Likewise.
11581         (Input_file::will_search_for): Handle is_searched_file.
11582         (Input_file::open): Likewise.
11583         * readsyms.cc (Read_symbols::get_name): Likewise.
11584         * testsuite/Makefile.am (searched_file_test): New test.
11585         * testsuite/Makefile.in: Regenerate.
11586         * testsuite/searched_file_test.cc: New file.
11587         * testsuite/searched_file_test_lib.cc: New file.
11588
11589 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11590             Ian Lance Taylor  <iant@google.com>
11591
11592         * descriptor.cc: Include <cstdio> and "binary-io.h".
11593         (Descriptors::open): Open the files in binary mode always.
11594         * script.cc (Lex::get_token): Treat \r as whitespace.
11595
11596 2009-10-09  Ian Lance Taylor  <iant@google.com>
11597
11598         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
11599
11600 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11601             Ian Lance Taylor  <iant@google.com>
11602
11603         * configure.ac: Check for readv function also.
11604         * fileread.cc (readv): Define if not HAVE_READV.
11605         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
11606         does not exist.
11607         * config.in: Regenerate.
11608         * configure: Regenerate.
11609
11610 2009-10-09  Doug Kwan  <dougkwan@google.com>
11611
11612         * layout.cc (Layout::make_output_section): Call target hook to make
11613         ordinary output section.
11614         (Layout::finalize): Adjust parameter list of call the
11615         Target::may_relax().
11616         * layout.h (class Layout::section_list): New method.
11617         * merge.h (Output_merge_base::entsize): Change visibility to public.
11618         (Output_merge_base::is_string, Output_merge_base::do_is_string):
11619         New methods.
11620         (Output_merge_string::do_is_string): New method.
11621         * object.cc (Sized_relobj::do_setup): renamed from
11622         Sized_relobj::set_up.
11623         * object.h (Sized_relobj::adjust_shndx,
11624         Sized_relobj::initializ_input_to_output_maps,
11625         Sized_relobj::free_input_to_output_maps): Change visibilities to
11626         protected.
11627         (Sized_relobj::setup): Virtualize.
11628         (Sized_relobj::do_setup): New method declaration.
11629         (Sized_relobj::invalidate_section_offset,
11630         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
11631         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
11632         * options.cc (parse_int): New function.
11633         * options.h (parse_int): New declaration.
11634         (DEFINE_int): New macro.
11635         (stub_group_size): New option.
11636         * output.cc (Output_section::Output_section): Initialize memebers
11637         merge_section_map_, merge_section_by_properties_map_,
11638         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
11639         (Output_section::add_input_section): Handled deferred code-fill
11640         generation and remove an old comment.
11641         (Output_section::add_relaxed_input_section): New method definition.
11642         (Output_section::add_merge_input_section): Use merge section by
11643         properties map to speed to search.  Update merge section maps
11644         as appropriate.
11645         (Output_section::build_relaxation_map): New method definition.
11646         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
11647         Same.
11648         (Output_section::relax_input_section): Renamed to
11649         Output_section::convert_input_sections_to_relaxed_sections and change
11650         interface to take a vector of pointers to relaxed sections.
11651         (Output_section::find_merge_section,
11652         Output_section::find_relaxed_input_section): New method definitions.
11653         (Output_section::is_input_address_mapped,
11654         Output_section::output_offset, Output_section::output_address):
11655         Use output section data maps to speed up searching.
11656         (Output_section::find_starting_output_address): Add comments.
11657         (Output_section::do_write,
11658         Output_section::write_to_postprocessing_buffer): Do code-fill
11659         generation as appropriate.
11660         (Output_section::get_input_sections): Invalidate relaxed input section
11661         map.
11662         (Output_section::restore_states): Adjust type of checkpoint .
11663         Invalidate relaxed input section map.
11664         * output.h (Output_merge_base): New class declaration.
11665         (Input_section_specifier): New class defintion.
11666         (class Output_relaxed_input_section) Change base class to
11667         Output_section_data_build.
11668         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
11669         base class initializer.
11670         (Output_section::add_relaxed_input_section): New method declaration.
11671         (Output_section::Input_section): Change visibility to protected.
11672         (Output_section::Input_section::relobj,
11673         Output_section::Input_section::shndx): Handle relaxed input sections.
11674         Output_section::input_sections) Change visibility to protected.  Also
11675         define overload to return a non-const pointer.
11676         (Output_section::Merge_section_properties): New class defintion.
11677         (Output_section::Merge_section_by_properties_map,
11678         Output_section::Output_section_data_by_input_section_map,
11679         Output_section::Relaxation_map): New types.
11680         (Output_section::relax_input_section): Rename method to
11681         Output_section::convert_input_sections_to_relaxed_sections and change
11682         interface to take a vector of relaxed section pointers.
11683         (Output_section::find_merge_section,
11684         Output_section::find_relaxed_input_section,
11685         Output_section::build_relaxation_map,
11686         Output_section::convert_input_sections_in_list_to_relaxed_sections):
11687         New method declarations.
11688         (Output_section::merge_section_map_
11689         Output_section::merge_section_by_properties_map_,
11690         Output_section::relaxed_input_section_map_,
11691         Output_section::is_relaxed_input_section_map_valid_,
11692         Output_section::generate_code_fills_at_write_): New data members.
11693         * script-sections.cc
11694         (Output_section_element_input::set_section_addresses): Call
11695         current_data_size and addralign methods of relaxed input sections.
11696         (Orphan_output_section::set_section_addresses): Call current_data_size
11697         and addralign methods of relaxed input sections.
11698         * symtab.cc (Symbol_table::compute_final_value): Extract template
11699         from the body of Symbol_table::sized_finalize_symbol.
11700         (Symbol_table::sized_finalized_symbol): Call
11701         Symbol_table::compute_final_value.
11702         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
11703         (Symbol_table::compute_final_value): New templated method declaration.
11704         * target.cc (Target::do_make_output_section): New method defintion.
11705         * target.h (Target::make_output_section): New method declaration.
11706         (Target::relax): Add more parameters for input objects, symbol table
11707         and layout.  Adjust call to do_relax.
11708         (Target::do_make_output_section): New method declaration.
11709         (Target::do_relax): Add parameters for input objects, symbol table
11710         and layout.
11711
11712 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11713
11714         * pread.c: Include stdio.h.
11715
11716 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11717
11718         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
11719         defined.
11720
11721 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11722
11723         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
11724         Change read_shndx type to unsigned int.
11725         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
11726         int.
11727         (Sized_dwarf_line_info::read_line_mappings): Likewise.
11728         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
11729         Change read_shndx type to unsigned int.
11730         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
11731         int.
11732         (Sized_dwarf_line_info::read_line_mappings): Likewise.
11733         * layout.cc (Layout::create_symtab_sections): Cast the result of
11734         local_symcount * symsize to off_t in the gold_assert.
11735
11736 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11737
11738         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
11739         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
11740         R_ARM_BASE_ABS.
11741         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
11742         (Arm_relocate_functions::thm_abs5): New function.
11743         (Arm_relocate_functions::abs12): New function.
11744         (Arm_relocate_functions::abs16): New function.
11745         (Arm_relocate_functions::base_abs): New function.
11746         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
11747         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
11748         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
11749         R_ARM_BASE_ABS.
11750         (Scan::global): Likewise.
11751         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
11752         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
11753         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
11754         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
11755         R_ARM_BASE_ABS.
11756
11757 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11758
11759         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
11760         (Arm_relocate_functions::movt_prel): New function.
11761         (Arm_relocate_functions::thm_movw_prel_nc): New function.
11762         (Arm_relocate_functions::thm_movt_prel): New function.
11763         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
11764         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
11765         (Scan::global, Relocate::relocate): Likewise.
11766         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
11767
11768 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
11769
11770         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
11771         Incremental_checker.
11772         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
11773         unsigned int.
11774         (class Incremental_inputs_header): New class.
11775         (Incremental_inputs_header_writer): Edit comment.
11776         (Incremental_inputs_entry): New class.
11777         (Incremental_inputs_entry_writer): Edit comment.
11778         (Sized_incremental_binary::do_find_incremental_inputs_section):
11779         Add *strtab_shndx parameter, fill it.
11780         (Sized_incremental_binary::do_check_inputs): New method.
11781         (Incremental_checker::can_incrementally_link_output_file): Use
11782         Sized_incremental_binary::check_inputs.
11783         (Incremental_inputs::report_command_line): Save command line in
11784         command_line_.
11785         * incremental.h:
11786         (Incremental_binary::find_incremental_inputs_section): New
11787         method.
11788         (Incremental_binary::do_find_incremental_inputs_section): Add
11789         strtab_shndx parameter.
11790         (Incremental_binary::do_check_inputs): New pure virtual method.
11791         (Sized_incremental_binary::do_check_inputs): Declare.
11792         (Incremental_checker::Incremental_checker): Add incremental_inputs
11793         parameter, use it to initialize incremental_inputs_.
11794         (Incremental_checker::incremental_inputs_): New field.
11795         (Incremental_checker::command_line): New method.
11796         (Incremental_checker::inputs): New method.
11797         (Incremental_checker::command_line_): New field.
11798
11799 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
11800
11801         * incremental.cc: Include <cstdarg> and "target-select.h".
11802         (vexplain_no_incremental): New function.
11803         (explain_no_incremental): New function.
11804         (Incremental_binary::error): New method.
11805         (Sized_incremental_binary::do_find_incremental_inputs_section): New
11806         method.
11807         (make_sized_incremental_binary): New function.
11808         (open_incremental_binary): New function.
11809         (can_incrementally_link_file): Add checks if output is ELF and has
11810         inputs section.
11811         * incremental.h: Include "elfcpp_file.h" and "output.h".
11812         (Incremental_binary): New class.
11813         (Sized_incremental_binary): New class.
11814         (open_incremental_binary): Declare.
11815         * object.cc (is_elf_object): Use
11816         elfcpp::Elf_recognizer::is_elf_file.
11817         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
11818         * output.h (Output_file::filesize): New method.
11819
11820 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11821
11822         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
11823         New function.
11824         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
11825         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
11826         function.
11827         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
11828         function.
11829         (Arm_relocate_functions::movw_abs_nc): New function.
11830         (Arm_relocate_functions::movt_abs): New function.
11831         (Arm_relocate_functions::thm_movw_abs_nc): New function.
11832         (Arm_relocate_functions::thm_movt_abs): New function.
11833         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
11834         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
11835         (Scan::global): Likewise.
11836         (Relocate::relocate): Likewise.
11837         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
11838
11839 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11840
11841         * arm.cc (Arm_relocate_functions::got_prel) New function.
11842         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
11843         (Relocate::relocate): Likewise.
11844         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
11845
11846 2009-10-06  Ian Lance Taylor  <iant@google.com>
11847
11848         * options.h (class General_options): Define
11849         split_stack_adjust_size parameter.
11850         * object.h (class Object): Add uses_split_stack_ and
11851         has_no_split_stack_ fields.  Add uses_split_stack and
11852         has_no_split_stack accessor functions.  Declare
11853         handle_split_stack_section.
11854         (class Reloc_symbol_changes): Define.
11855         (class Sized_relobj): Define Function_offsets.  Declare
11856         split_stack_adjust, split_stack_adjust_reltype, and
11857         find_functions.
11858         * object.cc (Object::handle_split_stack_section): New function.
11859         (Sized_relobj::do_layout): Call handle_split_stack_section.
11860         * dynobj.cc (Sized_dynobj::do_layout): Call
11861         handle_split_stack_section.
11862         * reloc.cc (Sized_relobj::relocate_sections): Call
11863         split_stack_adjust for executable sections in split_stack
11864         objects.  Pass reloc_map to relocate_section.
11865         (Sized_relobj::split_stack_adjust): New function.
11866         (Sized_relobj::split_stack_adjust_reltype): New function.
11867         (Sized_relobj::find_functions): New function.
11868         * target-reloc.h: Include "object.h".
11869         (relocate_section): Add reloc_symbol_changes parameter.  Change
11870         all callers.
11871         * target.h (class Target): Add calls_non_split method.  Declare
11872         do_calls_non_split virtual method.  Declare match_view and
11873         set_view_to_nop.
11874         * target.cc: Include "elfcpp.h".
11875         (Target::do_calls_non_split): New function.
11876         (Target::match_view): New function.
11877         (Target::set_view_to_nop): New function.
11878         * gold.cc (queue_middle_tasks): Give an error if mixing
11879         split-stack and non-split-stack objects with -r.
11880         * i386.cc (Target_i386::relocate_section): Add
11881         reloc_symbol_changes parameter.
11882         (Target_i386::do_calls_non_split): New function.
11883         * x86_64.cc (Target_x86_64::relocate_section): Add
11884         reloc_symbol_changes parameter.
11885         (Target_x86_64::do_calls_non_split): New function.
11886         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
11887         parameter.
11888         * powerpc.cc (Target_powerpc::relocate_section): Add
11889         reloc_symbol_changes parameter.
11890         * sparc.cc (Target_sparc::relocate_section): Add
11891         reloc_symbol_changes parameter.
11892         * configure.ac: Call AM_CONDITIONAL for the default target.
11893         * configure: Rebuild.
11894         * testsuite/Makefile.am (TEST_AS): New variable.
11895         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
11896         (check_DATA): Add split_i386 and split_x86_64 files.
11897         (SPLIT_DEFSYMS): Define.
11898         (split_i386_[1234n].o): New targets.
11899         (split_i386_[124]): New targets.
11900         (split_i386_[1234r].stdout): New targets.
11901         (split_x86_64_[1234n].o): New targets.
11902         (split_x86_64_[124]): New targets.
11903         (split_x86_64_[1234r].stdout): New targets.
11904         (MOSTLYCLEANFILES): Add new executables.
11905         * testsuite/split_i386.sh: New file.
11906         * testsuite/split_x86_64.sh: New file.
11907         * testsuite/split_i386_1.s: New file.
11908         * testsuite/split_i386_2.s: New file.
11909         * testsuite/split_i386_3.s: New file.
11910         * testsuite/split_i386_4.s: New file.
11911         * testsuite/split_i386_n.s: New file.
11912         * testsuite/split_x86_64_1.s: New file.
11913         * testsuite/split_x86_64_2.s: New file.
11914         * testsuite/split_x86_64_3.s: New file.
11915         * testsuite/split_x86_64_4.s: New file.
11916         * testsuite/split_x86_64_n.s: New file.
11917         * testsuite/testfile.cc (Target_test): Update relocation_section
11918         function.
11919         * testsuite/Makefile.in: Rebuild.
11920
11921 2009-10-06  Ian Lance Taylor  <iant@google.com>
11922
11923         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
11924         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
11925         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
11926         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
11927         the address on ldo_addrs_.
11928         (Target_i386::Relocate::fix_up_ldo): New function.
11929
11930 2009-10-06   Rafael Espindola  <espindola@google.com>
11931
11932         * plugin.cc (add_input_library): New.
11933         (Plugin::load): Add add_input_library to tv.
11934         (Plugin_manager::add_input_file): Add the is_lib argument.
11935         (add_input_file): Update call to Plugin_manager::add_input_file.
11936         (add_input_library): New.
11937         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
11938
11939 2009-09-30  Doug Kwan  <dougkwan@google.com>
11940
11941         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
11942         symbol and call Symbol::may_need_copy_reloc to determine if
11943         a copy reloc is needed.
11944         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
11945         nocopyreloc is given in command line.
11946         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
11947         given in command line.
11948         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
11949         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
11950         of the removed Target_i386::may_need_copy_reloc.
11951         * options.h (copyreloc): New option with default value false.
11952         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
11953         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
11954         instead of the removed Target_powerpc::may_need_copy_reloc.
11955         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
11956         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
11957         instead of the removed Target_sparc::may_need_copy_reloc.
11958         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
11959         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
11960         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
11961         instead of the removed Target_x86_64::may_need_copy_reloc.
11962
11963 2009-09-30  Ian Lance Taylor  <iant@google.com>
11964
11965         * object.h (class Object): Remove target_ field, and target,
11966         sized_target, and set_target methods.
11967         (Object::sized_target): Remove.
11968         (class Sized_relobj): Update declarations.  Remove sized_target.
11969         * object.cc (Sized_relobj::setup): Remove target parameter.
11970         Change all callers.
11971         (Input_objects::add_object): Don't do anything with the target.
11972         (make_elf_sized_object): Add punconfigured parameter.  Change all
11973         callers.  Set or test parameter target.
11974         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
11975         Change all callers.
11976         * parameters.cc (Parameters::set_target): Change parameter type to
11977         be non-const.
11978         (Parameters::default_target): Remove.
11979         (set_parameters_target): Change parameter type to be non-const.
11980         (parameters_force_valid_target): New function.
11981         (parameters_clear_target): New function.
11982         * parameters.h (class Parameters): Update declarations.  Remove
11983         default_target method.  Add sized_target and clear_target
11984         methods.  Change target_ to be non-const.
11985         (set_parameters_target): Update declaration.
11986         (parameters_force_valid_target): Declare.
11987         (parameters_clear_target): Declare.
11988         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
11989         as NULL if we aren't searching.
11990         (Add_symbols::run): Don't check for compatible target.
11991         * fileread.cc (Input_file::open_binary): Call
11992         parameters_force_valid_target.
11993         * gold.cc (queue_middle_tasks): Likewise.
11994         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
11995         set_target on object.
11996         * dynobj.h (class Sized_dynobj): Update declarations.
11997         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
11998         make_elf_object returns NULL.
11999         (Archive::include_member): Don't check whether object target is
12000         compatible.
12001         * output.cc (Output_section::add_input_section): Get target from
12002         parameters.
12003         (Output_section::relax_input_section): Likewise.
12004         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
12005         parameters.
12006         (Sized_relobj::do_scan_relocs): Likewise.
12007         (Sized_relobj::relocate_sections): Likewise.
12008         * resolve.cc (Symbol_table::resolve): Likewise.
12009         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
12010         parameter.  Change all callers.
12011         (Symbol_table::add_from_object): Get target from parameters.
12012         (Symbol_table::add_from_relobj): Don't check object target.
12013         (Symbol_table::add_from_dynobj): Likewise.
12014         (Symbol_table::define_special_symbol): Get target from
12015         parameters.
12016         * symtab.h (class Symbol_table): Update declaration.
12017         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
12018         parameter.  Change all callers.  Clear parameter target.
12019         (Binary_test): Test target here.
12020         * testsuite/object_unittest.cc (gold_testsuite): Remove
12021         target_test_pointer parameter.  Change all callers.
12022         (Object_test): Test target here.
12023
12024 2009-09-26  Ian Lance Taylor  <iant@google.com>
12025
12026         * testsuite/initpri1.c: Don't try to use constructor priorities if
12027         compiling with gcc before 4.3.
12028
12029 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
12030
12031         * testsuite/retain_symbols_file_test.sh (check_present): Change
12032         output file name to retain_symbols_file_test.stdout.
12033         (check_absent): Likewise.
12034
12035 2009-09-18  Craig Silverstein  <csilvers@google.com>
12036
12037         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
12038         * options.cc: Include <cerrno> and <fstream>.
12039         (General_options::finalize): Parse -retain-symbols-file tag.
12040         * options.h: New flag.
12041         (General_options): New method should_retain_symbol, new
12042         variable symbols_to_retain.
12043         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
12044         should_retain_symbol map.
12045         * testsuite/Makefile.am (retain_symbols_file_test): New test.
12046         * testsuite/Makefile.in: Regenerate.
12047         * testsuite/retain_symbols_file_test.sh: New file.
12048
12049 2009-09-18  Nick Clifton  <nickc@redhat.com>
12050
12051         * po/es.po: Updated Spanish translation.
12052
12053 2009-09-17  Doug Kwan  <dougkwan@google.com>
12054
12055         * debug.h (DEBUG_RELAXATION): New constant.
12056         (DEBUG_ALL): Add DEBUG_RELAXATION.
12057         (debug_string_to_enum): Add relaxation debug option.
12058         * layout.cc
12059         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
12060         Layout::Relaxation_debug_check::read_sections,
12061         Layout::Relaxation_debug_check::read_sections): New method definitions.
12062         (Layout::Layout): Initialize data members
12063         record_output_section_data_from_scrips_,
12064         script_output_section_data_list_ and relaxation_debug_check_.
12065         (Layout::save_segments, Layout::restore_segments,
12066         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
12067         Layout::relaxation_loop_body): New method definitions.
12068         (Layout::finalize): Support relaxation.  Move section layout code to
12069         Layout::relaxation_loop_body.
12070         (Layout::set_asection_address_from_script): Move code for orphan
12071         section placement out.
12072         (Layout::place_orphan_sections_in_script): New method definition.
12073         * layout.h (Output_segment_headers, Output_file_header):
12074         New forward class declarations.
12075         (Layout::~Layout): Define.
12076         (Layout::new_output_section_data_from_script): New method definition.
12077         (Layout::place_orphan_sections_in_script): New method declaration.
12078         (Layout::Segment_states): New type declaration.
12079         (Layout::save_segments, Layout::restore_segments,
12080         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
12081         Layout::relaxation_loop_body): New method declarations.
12082         (Layout::Output_section_data_list): New type declaration.
12083         (Layout::Relaxation_debug_check): New class definition.
12084         (Layout::record_output_section_data_from_script_,
12085         Layout::script_output_section_data_list_, Layout::segment_states_,
12086         Layout::relaxation_debug_check_): New data members.
12087         * output.cc: (Output_section_headers::do_size): New method definition.
12088         (Output_section_headers::Output_section_headers): Move size
12089         computation to Output_section_headers::do_size.
12090         (Output_segment_headers::do_size): New method definition.
12091         (Output_file_header::Output_file_header): Move size computation to
12092         Output_file_header::do_size and call it.
12093         (Output_file_header::do_size): New method definition.
12094         (Output_data_group::Output_data_group): Adjust call to
12095         Output_section_data.
12096         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
12097         (Output_symtab_xindex::do_write): Add array bound check.
12098         (Output_section::Input_section::print_to_mapfile): Handle
12099         RELAXED_INPUT_SECTION_CODE.
12100         (Output_section::Output_section): Initialize data member checkpoint_.
12101         (Output_section::~Output_section): Delete checkpoint object pointed
12102         by checkpoint_.
12103         (Output_section::add_input_section): Always add an Input_section if
12104         relaxing.
12105         (Output_section::add_merge_input_section): Add assert.
12106         (Output_section::relax_input_section): New method definition.
12107         (Output_section::set_final_data_size): Set load address to zero for
12108         an unallocated section.
12109         (Output_section::do_address_and_file_offset_have_reset_values):
12110         New method definition.
12111         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
12112         Handle relaxed input section.
12113         (Output_section::sort_attached_input_sections): Checkpoint input
12114         section list lazily.
12115         (Output_section::get_input_sections): Change type of input_sections to
12116         list of Simple_input_section pointers.  Checkpoint input section list
12117         lazily.  Also handle relaxed input sections.
12118         (Output_section::add_input_section_for_script): Take a reference to
12119         a Simple_input_section object instead of Relobj pointer and section
12120         index as parameter.  Handle relaxed input sections.
12121         (Output_section::save_states, Output_section::restore_states): New
12122         method definitions.
12123         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
12124         (Output_data::is_data_size_fixed): New method definition.
12125         (Output_data::reset_addresss_and_file_offset): Do not reset data size
12126         if it is fixed.
12127         (Output_data::address_and_file_offset_have_reset_values): New method
12128         definition.
12129         (Output_data::do_address_and_file_offset_have_reset_values): New method
12130         definition.
12131         (Output_data::set_data_size): Check that data size is not fixed.
12132         (Output_data::fix_data_size): New method definition.
12133         (Output_data::is_data_size_fixed_): New data member.
12134         (Output_section_headers::set_final_data_size): New method definition.
12135         (Output_section_headers::do_size): New method declaration.
12136         (Output_segment_headers::set_final_data_size): New method definition.
12137         (Output_segment_headers::do_size): New method declaration.
12138         (Output_file_header::set_final_data_size)::New method definition.
12139         (Output_file_header::do_size)::New method declaration.
12140         (Output_section_data::Output_section_data): Add new parameter
12141         is_data_size_fixed and use it to fix data size.
12142         (Output_data_const::Output_data_const): Adjust call to base class
12143         constructor and fix data size.
12144         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
12145         base class constructor and fix data size.
12146         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
12147         base class constructor and fix data size.
12148         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
12149         class constructor and fix data size.
12150         (Output_data_group::set_final_data_size): New method definition.
12151         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
12152         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
12153         class constructor and fix data size.
12154         (Output_relaxed_input_section): New class definition.
12155         (Output_section::Simple_input_section): New class definition.
12156         (Output_section::get_input_sections): Adjust parameter list.
12157         (Output_section::add_input_section_for_script): Same.
12158         (Output_section::save_states, Output_section::restore_states,
12159         Output_section::do_address_and_file_offset_have_reset_values,
12160         (Output_section::Input_section::Input_section): Handle
12161         RELAXED_INPUT_SECTION_CODE.  Add new overload for
12162         Output_relaxed_input_section.
12163         (Output_section::Input_section::is_input_section,
12164         Output_section::Input_section::set_output_section): Handle relaxed
12165         input section.
12166         (Output_section::Input_section::is_relaxed_input_section,
12167         Output_section::Input_section::output_section_data,
12168         Output_section::Input_section::relaxed_input_section): New method
12169         definitions.
12170         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
12171         value.
12172         (Output_section::Input_section::u1_): Update comments.
12173         (Output_section::Input_section::u2_): Add new union member poris.
12174         (Output_section::Checkpoint_output_section): New classs definition.
12175         (Output_section::relax_input_section): New method declaration.
12176         (Output_section::checkpoint_): New data member.
12177         (Output_segment): Update comments.
12178         (Output_segment::Output_segment): Un-privatize copy constructor.
12179         (Output_segment::operator=): Un-privatize.
12180         * script-sections.cc (Output_section_element::Input_section_list):
12181         Change element type to Output_section::Simple_input_section.
12182         (Output_section_element_dot_assignment::set_section_addresses):
12183         Register output section data for relaxation clean up.
12184         (Output_data_exression::Output_data_expression): Adjust call to base
12185         constructor to fix data size.
12186         (Output_section_element_data::set_section_addresses): Register
12187         Output_data_expression object for relaxation clean up.
12188         (struct Input_section_info): Replace Relobj pointer and section index
12189         pair with Output_section::Simple_input_section and Convert struct to a
12190         class.
12191         (Input_section_sorter::operator()): Adjust access to
12192         Input_section_info data member to use accessors.
12193         (Output_section_element_input::set_section_addresses): Use layout
12194         parameter.  Adjust code to use Output_section::Simple_input_section
12195         and Input_secction_info classes.  Register filler for relaxation
12196         clean up.
12197         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
12198         and section index pair with Output_section::Simple_input_section
12199         class.  Adjust code accordingly.
12200         (Phdrs_element::release_segment): New method definition.
12201         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
12202         segment list.
12203         (Script_sections::release_segments): New method definition.
12204         * gold/script-sections.h (Script_sections::release_segments): New
12205         method declaration.
12206         * gold/target.h (Target::may_relax, Target::relax,
12207         Target::do_may_relax, Target::do_relax): New method definitions.
12208
12209 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
12210
12211         * arm.cc (has_signed_unsigned_overflow): New function.
12212         (Arm_relocate_functions::abs8): New function.
12213         (Target_arm::Scan::local): Handle R_ARM_ABS8.
12214         (Target_arm::Scan::global): Likewise.
12215         (Target_arm::relocate::relocate): Likewise.
12216         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
12217         Likewise.
12218
12219 2009-09-16  Cary Coutant  <ccoutant@google.com>
12220
12221         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
12222         * testsuite/Makefile.in: Regenerate.
12223
12224 2009-09-11  Nick Clifton  <nickc@redhat.com>
12225
12226         * po/gold.pot: Updated by the Translation project.
12227
12228 2009-09-08  Cary Coutant  <ccoutant@google.com>
12229
12230         * output.cc (Output_file::open): Add execute permission to empty file.
12231         * testsuite/Makefile.am (permission_test): New test.
12232         * testsuite/Makefile.in: Regenerate.
12233
12234 2009-09-02  Ian Lance Taylor  <iant@google.com>
12235
12236         * output.cc (Output_file::resize): Call map_no_anonymous rather
12237         than map.
12238
12239 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
12240
12241         * gold.cc: Include "incremental.h".
12242         (queue_initial_tasks): Call Incremental_checker methods.
12243         * incremental.cc: Include "output.h".
12244         (Incremental_checker::can_incrementally_link_output_file): New
12245         method.
12246         * incremental.h (Incremental_checker): New class.
12247
12248         * output.cc (Output_file::open_for_modification): New method.
12249         (Output_file::map_anonymous): Changed return type to bool.  Record
12250         map in base_ field.
12251         (Output_file::map_no_anonymous): New method, broken out of map.
12252         (Output_file::map): Use map_no_anonymous and map_anonymous.
12253         * output.h (class Output_file): Update declarations.
12254
12255 2009-08-24  Cary Coutant  <ccoutant@google.com>
12256
12257         * options.h (Command_line::Pre_options): New class.
12258         (Command_line::pre_options): New member.
12259         * options.cc (gold::options::ready_to_register): New variable.
12260         (One_option::register_option): Do nothing if not registering options.
12261         Assert if same short option registered twice.
12262         (General_options::General_options): Turn off option registration when
12263         done constructing.
12264         (Command_line::Pre_options::Pre_options): New constructor.
12265
12266 2009-08-24  Cary Coutant  <ccoutant@google.com>
12267
12268         * options.h (General_options::no_keep_memory): Remove incorrect
12269         short option.
12270
12271 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12272
12273         * Makefile.am (am__skiplex, am__skipyacc): New.
12274         * Makefile.in: Regenerate.
12275
12276 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12277
12278         * Makefile.am (AM_CPPFLAGS): Renamed from ...
12279         (INCLUDES): ... this.
12280         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
12281         (AM_CPPFLAGS): Renamed from ...
12282         (INCLUDE): ... this.
12283         * Makefile.in, testsuite/Makefile.in: Regenerate.
12284
12285         * Makefile.in: Regenerate.
12286         * aclocal.m4: Likewise.
12287         * config.in: Likewise.
12288         * configure: Likewise.
12289         * testsuite/Makefile.in: Likewise.
12290
12291         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
12292         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
12293         * Makefile.in: Regenerate.
12294         * testsuite/Makefile.in: Regenerate.
12295
12296 2009-08-19  Cary Coutant  <ccoutant@google.com>
12297
12298         * resolve.cc (Symbol_table::resolve): Don't complain about defined
12299         symbols in shared libraries overridden by hidden or internal symbols
12300         in the main program.
12301
12302 2009-08-19  Chris Demetriou  <cgd@google.com>
12303
12304         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
12305         checking source file names in error messages.
12306
12307 2009-08-18  Doug Kwan  <dougkwan@google.com>
12308
12309         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
12310         an elcpp::Ehdr as parameter.  Adjust call to set_target.
12311         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
12312         an elfcpp::Ehdr as parameter.
12313         * object.cc (Object::set_target): Remove the version that looks up
12314         a target and sets it.
12315         (Sized_relobj::setup): Take a Target object instead of
12316         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
12317         (make_elf_sized_object): Find target and ask target to
12318         make an ELF object.
12319         * object.h: (Object::set_target): Remove the version that looks up
12320         a target and sets it.
12321         (Sized_relobj::setup): Take a Target object instead of
12322         an elfcpp:Ehdr as parameter.
12323         * target.cc: Include dynobj.h.
12324         (Target::do_make_elf_object_implementation): New.
12325         (Target::do_make_elf_object): New.
12326         * target.h (Target::make_elf_object): New template declaration.
12327         (Target::do_make_elf_object): New method declarations.
12328         (Target::do_make_elf_object_implementation): New template declaration.
12329
12330 2009-08-14  Ian Lance Taylor  <iant@google.com>
12331
12332         * gold.h (FUNCTION_NAME): Define.
12333         (gold_unreachable): Use FUNCTION_NAME.
12334
12335 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
12336
12337         * icf.cc (Icf::find_identical_sections): Issue a warning when a
12338         symbol in the --keep-unique list is not found.
12339
12340 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
12341
12342         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
12343         been maked as --keep-unique.
12344         (Icf::unfold_section): New function.
12345         * icf.h (Icf::unfold_section): New function.
12346         * options.h (General_options::keep_unique): New option.
12347         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
12348         * testsuite/Makefile.in: Regenerate.
12349         * testsuite/icf_keep_unique_test.sh: New file.
12350         * testsuite/icf_keep_unique_test.cc: New file.
12351
12352 2009-08-12  Cary Coutant  <ccoutant@google.com>
12353
12354         PR 10471
12355         * resolve.cc (Symbol_table::resolve): Check for references from
12356         dynamic objects to hidden and internal symbols.
12357         * testsuite/Makefile.am (hidden_test.sh): New test.
12358         * testsuite/Makefile.in: Regenerate.
12359         * testsuite/hidden_test.sh: New script.
12360         * testsuite/hidden_test_1.c: New test source.
12361         * testsuite/hidden_test_main.c: New test source.
12362
12363 2009-08-11  Doug Kwan  <dougkwan@google.com>
12364
12365         * arm.cc: Update comments.
12366         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
12367         segment to locate the .ARM.exidx section if present.
12368
12369 2009-08-09  Doug Kwan  <dougkwan@google.com>
12370
12371         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
12372         patch.
12373
12374 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
12375         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
12376         compiler warnings.
12377
12378 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
12379
12380         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
12381         valid tls_segment only for non-debug-section relocations.
12382         * testsuite/Makefile.am: Add gc_tls_test.
12383         * testsuite/Makefile.in: Regenerate.
12384         * testsuite/gc_tls_test.cc: New file.
12385         * testsuite/gc_tls_test.sh: New file.
12386
12387 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
12388
12389         * icf.cc: New file.
12390         * icf.h: New file.
12391         * Makefile.am (CCFILES): Add icf.cc.
12392         (HFILES): Add icf.h
12393         * Makefile.in: Regenerate.
12394         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
12395         * gc.h (gc_process_relocs): Populate lists used by icf to contain
12396         section, symbol and addend information for the relocs.
12397         * gold.cc (queue_middle_tasks): Call identical code folding.
12398         * gold.h: Add defines for multimap.
12399         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
12400         to the call of finalize_local_symbols.
12401         * main.cc (main): Create object of class Icf.
12402         * object.cc (Sized_relobj::do_layout): Allow this function to be
12403         called twice during icf.
12404         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
12405         to sections marked as identical by icf.
12406         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
12407         when available.
12408         (Sized_relobj::do_section_entsize): New function.
12409         * object.h (Object::section_entsize): New function.
12410         (Object::do_section_entsize): New pure virtual function.
12411         (Relobj::finalize_local_symbols): Add new parameter.
12412         (Relobj::do_section_entsize): New function.
12413         * options.h (General_options::icf): New option.
12414         (General_options::icf_iterations): New option.
12415         (General_options::print_icf_sections): New option.
12416         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
12417         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
12418         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
12419         icf.
12420         * symtab.cc (Symbol_table::is_section_folded): New function.
12421         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
12422         to sections marked as identical by icf.
12423         * symtab.h (Symbol_table::set_icf): New function.
12424         (Symbol_table::icf): New function.
12425         (Symbol_table::is_section_folded): New function.
12426         (Symbol_table::icf_): New data member.
12427         * target-reloc.h (relocate_section): Ignore sections folded by icf.
12428         * testsuite/Makefile.am: Add commands to build icf_test.
12429         * testsuite/Makefile.in: Regenerate.
12430         * testsuite/icf_test.sh: New file.
12431         * testsuite/icf_test.cc: New file.
12432
12433 2009-07-24  Chris Demetriou  <cgd@google.com>
12434
12435         * layout.cc (is_compressible_debug_section): Fix incorrect
12436         comment about compressed section names.
12437
12438 2009-07-20  Ian Lance Taylor  <ian@airs.com>
12439
12440         PR 10419
12441         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
12442
12443 2009-07-16  Ian Lance Taylor  <iant@google.com>
12444
12445         PR 10400
12446         * layout.h: #include <map>.
12447         (class Kept_section): Change from struct to class.  Add accessors
12448         and setters.  Add section size to Comdat_group mapping.  Change
12449         Comdat_group to std::map.  Add is_comdat_ field.  Add
12450         linkonce_size field in union.
12451         (class Layout): Update declaration of find_or_add_kept_section.
12452         Don't declare find_kept_object.
12453         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
12454         parameter.  Add object, shndx, is_comdat, and is_group_name
12455         parameters.  Change all callers.  Adjust for new Kept_section.
12456         (Layout::find_kept_object): Remove.
12457         * object.cc (Sized_relobj::include_section_group): Update use of
12458         Kept_section.  Rename secnum to shndx.  Only record
12459         Kept_comdat_section if sections are the same size.
12460         (Sized_relobj::include_linkonce_section): Update use of
12461         Kept_section.  Only record Kept_comdat_section if sections are the
12462         same size.  Set size of linkonce section.
12463         (Sized_relobj::map_to_kept_section): Update call to
12464         get_kept_comdat_section.
12465         * object.h (class Sized_relobj): Rename fields in
12466         Kept_comdat_section to drop trailing underscores; change object
12467         field to Relobj*.  Change Kept_comdat_section_table to store
12468         struct rather than pointer.
12469         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
12470         Add kept_object and kept_shndx parameters.  Change all callers.
12471         (Sized_relobj::get_kept_comdat_section): Change return type to
12472         bool.  Add kept_object and kept_shndx parameters.  Change all
12473         callers.
12474         * plugin.cc (Pluginobj::include_comdat_group): Update call to
12475         Layout::find_or_add_kept_section.
12476
12477 2009-07-09  Ian Lance Taylor  <iant@google.com>
12478
12479         * merge.cc (Object_merge_map::initialize_input_to_output_map):
12480         Reserve space in the hash table.
12481
12482 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
12483
12484         * fileread.cc (File_read::get_mtime): New method.
12485         * fileread.h (Timespec): New structure.
12486         (File_read::get_mtime): New method.
12487         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
12488         Renamed from timestamp_nsec.
12489         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
12490         Elf_Xword.
12491         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
12492         timestamp_nsec.
12493         (Incremental_inputs::report_archive): Save mtime; style fix.
12494         (Incremental_inputs::report_obejct): Save mtime; style fix.
12495         (Incremental_inputs::report_script): Save mtime; style fix.
12496         (Incremental_inputs::finalize_inputs): Style fix.
12497         (Incremental_inputs::finalize): Style fix.
12498         (Incremental_inputs::create_input_section_data): Store inputs
12499         mtime.
12500         * incremental.h (Incremental_inputs::report_script): Add mtime
12501         argument.
12502         (Incremental_inputs::Input_info::Input_info): Intialize only one
12503         union member.
12504         (Incremental_inputs::Input_info::archive): Move to nameless
12505         union.
12506         (Incremental_inputs::Input_info::obejct): Move to nameless union.
12507         (Incremental_inputs::Input_info::script): Move to nameless union.
12508         (Incremental_inputs::mtime): New field.
12509         * script.cc (read_input_script): Pass file mtime to
12510         Incremental_input.
12511         * script.h (Script_info::inputs): Style fix.
12512
12513 2009-07-01  Ian Lance Taylor  <ian@airs.com>
12514
12515         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
12516         instead of 32.
12517
12518 2009-06-24  Ian Lance Taylor  <iant@google.com>
12519
12520         PR 10156
12521         * layout.cc (Layout::choose_output_section): If we find an
12522         existing section, update the flags.
12523         (Layout::create_notes): New function, broken out of
12524         Layout::finalize.
12525         (Layout::finalize): Don't create note sections.
12526         (Layout::create_note): Don't crash if linker script discards
12527         section.
12528         (Layout::create_gold_note): Likewise.
12529         (Layout::create_build_id): Likewise.  Don't set
12530         after_input_sections on the section.
12531         (Layout::create_executable_stack_info): Remove target parameter.
12532         Change caller.
12533         * layout.h (class Layout): Declare create_notes.  Update
12534         declaration of create_executable_stack_info.
12535         * gold.cc (queue_middle_tasks): Call create_notes.
12536         * output.cc (Output_section::update_flags_for_input_section): Move
12537         here from output.h.  If SHF_ALLOC flag is newly set, mark address
12538         invalid.
12539         * output.h (Output_data::mark_address_invalid): New function.
12540         (class Output_section): Only declare, not define,
12541         update_flags_for_input_section.  Remove set_flags.
12542
12543 2009-06-24  Ian Lance Taylor  <iant@google.com>
12544
12545         * script-sections.cc (Output_section_definition::
12546         set_section_addresses): Rename shadowing local load_address to
12547         laddr.
12548
12549 2009-06-24  Ian Lance Taylor  <iant@google.com>
12550
12551         PR 10244
12552         * reloc.cc (relocate_sections): Skip empty relocation sections.
12553
12554 2009-06-23  Ian Lance Taylor  <iant@google.com>
12555
12556         PR 10156
12557         * layout.cc (Layout::create_note): Use choose_output_section
12558         rather than make_output_section.
12559
12560 2009-06-23  Ian Lance Taylor  <iant@google.com>
12561
12562         PR 10237
12563         * options.cc (General_options::parse_V): Set printed_version_.
12564         (General_options::General_options): Initialize printed_version_.
12565         * options.h (class General_options): Add printed_version_ field.
12566         * gold.cc (queue_initial_tasks): If there are no input files,
12567         don't give a fatal error if we printed the version information.
12568         (queue_middle_tasks): If using -r with a shared object, give a
12569         fatal error rather than an ordinary error.
12570
12571 2009-06-23  Ian Lance Taylor  <iant@google.com>
12572
12573         PR 10219
12574         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
12575         (Layout::make_output_section): Set have_stabstr_section_ if we see
12576         a .stab*str section.
12577         (Layout::finalize): Call link_stabs_sections.
12578         (Layout::link_stabs_sections): New file.
12579         * layout.h (class Layout): Add have_stabstr_section_ field.
12580         Declare link_stabs_sections.
12581
12582 2009-06-23  Doug Kwan  <dougkwan@google.com>
12583
12584         * Makefile.am (libgold_a_LIBADD): New.
12585         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
12586         * Makefile.in: Regenerate.
12587         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
12588         * configure: Regenerate.
12589         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
12590         * fileread.cc: Include sys/state.h
12591         * gold.h: Declare memmem and strndup if found missing.
12592         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
12593
12594 2009-06-23  Ian Lance Taylor  <iant@google.com>
12595
12596         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
12597         * configure: Rebuild.
12598
12599 2009-06-23  Ian Lance Taylor  <iant@google.com>
12600
12601         PR 10147
12602         * object.cc (Object::section_contents): Don't try to get a view if
12603         the section has length zero.
12604         (Object::handle_gnu_warning_section): If the section is empty, use
12605         the name of the section as the warning.
12606
12607 2009-06-23  Ian Lance Taylor  <iant@google.com>
12608
12609         PR 10133
12610         * stringpool.h (class Stringpool_template): Add optimize_ field.
12611         (Stringpool_template::set_optimize): New function.
12612         * stringpool.cc (Stringpool_template::Stringpool_template):
12613         Initialize optimize_ field.
12614         (Stringpool_template::set_string_offsets): Test local optimize
12615         fild rather than parameter.
12616         * layout.cc (Layout::Layout): Call set_optimize on the section
12617         name stringpool.
12618
12619 2009-06-22  Ian Lance Taylor  <iant@google.com>
12620
12621         PR 10030
12622         * yyscript.y: Parse TARGET.
12623         * script.cc (script_set_target): New function.
12624         * script-c.h (script_set_target): Declare.
12625         * options.cc (General_options::string_to_object_format): Rename
12626         from string_to_object_format in anonymous namespace.  Change
12627         callers.
12628         * options.h (class General_options): Declare
12629         string_to_object_format.
12630
12631 2009-06-22  Ian Lance Taylor  <iant@google.com>
12632
12633         * script-sections.cc (Script_sections::create_segments): Don't put
12634         program headers in a PT_LOAD segment if -n or -N.
12635
12636 2009-06-22  Ian Lance Taylor  <iant@google.com>
12637
12638         PR 10141
12639         * options.h (class General_options): Add -z lazy and -z now.  Sort
12640         -z options into alphabetical order.
12641         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
12642
12643 2009-06-21  Ian Lance Taylor  <iant@google.com>
12644
12645         * layout.cc (Layout::make_output_section): Call
12646         Target::new_output_section.
12647         (Layout::attach_allocated_section_to_segment): Put large section
12648         sections in a separate load segment with the large segment flag
12649         set.
12650         (Layout::segment_precedes): Sort large data segments after other
12651         load segments.
12652         (align_file_offset): New static function.
12653         (Layout::set_segment_offsets): Use align_file_offset.
12654         * output.h (class Output_section): Add is_small_section_ and
12655         is_large_section_ fields.
12656         (Output_section::is_small_section): New function.
12657         (Output_section::set_is_small_section):  New function.
12658         (Output_section::is_large_section): New function.
12659         (Output_section::set_is_large_section): New function.
12660         (Output_section::is_large_data_section): New function.
12661         (class Output_segment): Add is_large_data_segment_ field.
12662         (Output_segment::is_large_data_segment): New function.
12663         (Output_segment::set_is_large_data_segment): New function.
12664         * output.cc (Output_section::Output_section): Initialize new
12665         fields.
12666         (Output_segment::Output_segment): Likewise.
12667         (Output_segment::add_output_section): Add assertion that large
12668         data sections always go in large data segments.  Force small data
12669         sections to the end of the list of data sections.  Force small BSS
12670         sections to the start of the list of BSS sections.  For large BSS
12671         sections to the end of the list of BSS sections.
12672         * symtab.h (class Symbol): Declare is_common_shndx.
12673         (Symbol::is_defined): Check Symbol::is_common_shndx.
12674         (Symbol::is_common): Likewise.
12675         (class Symbol_table): Define enum Commons_section_type.  Update
12676         declarations.  Add small_commons_ and large_commons_ fields.
12677         * symtab.cc (Symbol::is_common_shndx): New function.
12678         (Symbol_table::Symbol_table): Initialize new fields.
12679         (Symbol_table::add_from_object): Put small and large common
12680         symbols in the right list.
12681         (Symbol_table::sized_finalized_symbol): Check
12682         Symbol::is_common_shndx.
12683         (Symbol_table::sized_write_globals): Likewise.
12684         * common.cc (Symbol_table::do_allocate_commons): Allocate new
12685         common symbol lists.  Don't call do_allocate_commons_list if the
12686         list is empty.
12687         (Symbol_table::do_allocate_commons_list): Remove is_tls
12688         parameter.  Add comons_section_type parameter.  Change all
12689         callers.  Handle small and large common symbols.
12690         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
12691         Symbol::is_common_shndx.
12692         * resolve.cc (symbol_to_bits): Likewise.
12693         * target.h (Target::small_common_shndx): New function.
12694         (Target::small_common_section_flags): New function.
12695         (Target::large_common_shndx): New function.
12696         (Target::large_common_section_flags): New function.
12697         (Target::new_output_section): New function.
12698         (Target::Target_info): Add small_common_shndx, large_common_shndx,
12699         small_common_section_flags, and large_common_section_flags
12700         fields.
12701         (Target::do_new_output_section): New virtual function.
12702         * arm.cc (Target_arm::arm_info): Initialize new fields.
12703         * i386.cc (Target_i386::i386_info): Likewise.
12704         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
12705         Likewise.
12706         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
12707         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12708         (Target_x86_64::do_new_output_section): New function.
12709         * configure.ac: Define conditional MCMODEL_MEDIUM.
12710         * testsuite/Makefile.am (check_PROGRAMS): Add large.
12711         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
12712         (large_LDFLAGS): Define.
12713         * testsuite/large.c: New file.
12714         * testsuite/testfile.cc (Target_test::test_target_info):
12715         Initialize new fields.
12716         * configure, testsuite/Makefile.in: Rebuild.
12717
12718 2009-06-05  Doug Kwan  <dougkwan@google.com>
12719
12720         * Makefile.am (CCFILES): Add target.cc.
12721         * Makefile.in: Regenerate.
12722         * i386.cc (class Target_i386): Define new virtual method to
12723         override do_is_local_label_name in parent.
12724         * object.cc (Sized_relobj::do_count_local_symbols): Discard
12725         local symbols if --discard-locals or -X is given.
12726         * options.h (class General_options): Declare new options
12727         '--discard-locals' and '-X' for discarding locals.
12728         * target.h (class Target): Define new methods is_local_label_name.
12729         Declare new virtual method do_is_local_label_name.
12730         * target.cc: New file.
12731         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
12732         (check_SCRIPTS): Add discard_locals_test.sh.
12733         (check_DATA): Add discard_local_tests.syms.
12734         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
12735         (discard_local_tests.syms, discard_locals_test.o): New make rules.
12736         * testsuite/Makefile.in: Regenerate.
12737         * testsuite/discard_locals_test.c: New file.
12738         * testsuite/discard_locals_test.sh: Same.
12739
12740 2009-06-05  Doug Kwan  <dougkwan@google.com>
12741
12742         * object.cc (Sized_relobj::Sized_relobj): Initialize
12743         discarded_eh_frame_shndx_ to -1U.
12744         (Sized_relobj::do_layout): Record index of a discard .eh_frame
12745         section.
12746         (Sized_relobj::do_count_local_symbols): Skip local symbols in
12747         a discarded .eh_frame section.
12748         (Sized_relobj::do_finalize_local_symbols): Ditto.
12749         * object.h (class Sized_relobj): Declare new member
12750         discarded_eh_frame_shndx_.
12751         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
12752         (local_labels_test.o, local_labels_test): New rules.
12753         * testsuite/Makefile.in: Regenerate.
12754
12755 2009-06-04  Doug Kwan  <dougkwan@google.com>
12756
12757         * layout.cc (Layout::section_name_mapping): Add mapping for
12758         special ARM sections.
12759
12760 2009-06-03  Doug Kwan  <dougkwan@google.com>
12761
12762         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
12763         (utils::has_overflow): Same.
12764
12765 2009-06-03  Ian Lance Taylor  <iant@google.com>
12766
12767         * layout.cc (Layout::section_name_mapping): New array, replacing
12768         Layout::linkonce_mapping.
12769         (Layout::section_name_mapping_count): New variable, replacing
12770         Layout::linkonce_mapping_count.
12771         (Layout::linkonce_output_name): Remove.
12772         (Layout::output_section_name): Rewrite.
12773         * layout.h (class Layout): Rename Linkonce_mapping to
12774         Section_name_mapping, linkonce_mapping to section_name_mapping,
12775         linkonce_mapping_count to section_name_mapping_count.  Don't
12776         declare linkonce_output_name.
12777
12778 2009-06-03  Doug Kwan  <dougkwan@google.com>
12779
12780         * gold/arm.cc (namespace utils): New.
12781         (Target_arm::reloc_is_non_pic): Define new method.
12782         (class Arm_relocate_functions): New.
12783         (Target_arm::Relocate::relocate): Handle relocation types used by
12784         Android.
12785
12786 2009-06-03  Ian Lance Taylor  <iant@google.com>
12787
12788         * arm.cc (Target_arm::scan::global): Use || instead of |.
12789
12790 2009-06-02  Doug Kwan  <dougkwan@google.com>
12791
12792         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
12793         issued_non_pic_error_.
12794         (class Target_arm::Scan): Declare new method check_non_pic.
12795         Define new method symbol_needs_plt_entry.
12796         Declare new data member issued_non_pic_error_.
12797         (class Target_arm::Relocate): Declare new method
12798         should_apply_static_reloc.
12799         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
12800         (Target_arm::Scan::check_non_pic): Define new method.
12801         (Target_arm::Scan::local): Handle a small subset of reloc types used
12802         by Android.
12803         (Target_arm::Scan::local): Same.
12804         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
12805
12806 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
12807
12808         * incremental.cc (Incremental_inputs::report_command_line): Filter
12809         out --incremental-* options.
12810
12811 2009-05-29  Doug Kwan  <dougkwan@google.com>
12812
12813         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
12814         template class.
12815         (class Target_arm): Update comment.
12816         (Target_arm::Target_arm): Initialize new data members GOT_,
12817         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
12818         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
12819         and Target_arm::rel_dyn_section.
12820         Declare new_enum Target_arm::Got_type.
12821         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
12822         and DYNBSS_.
12823         Update commments for member do_dynsym_value.
12824         (Target_arm::got_size, Target_arm::plt_section,
12825         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
12826         new methods inside class defintion.
12827         (Target_arm::got_section): Define new method.
12828         (Target_arm::rel_dyn_section): Same.
12829         (Output_data_plt_arm): New template class.
12830         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
12831         (Output_data_plt_arm:do_adjust_output_section): Define new method.
12832         (Output_data_plt_arm::add_entry): Same.
12833         (Output_data_plt_arm::first_plt_entry): Define new
12834         static data member for PLT instruction template.
12835         (Output_data_plt_arm::plt_entry): Same.
12836         (Output_data_plt_arm::do_write): Define new method.
12837         (Target_arm::make_plt_entry): Same.
12838         (Target_arm::do_finalize_sections): Same.
12839         (Target_arm::do_dynsym_value): Same.
12840
12841 2009-05-28  Doug Kwan  <dougkwan@google.com>
12842
12843         * Makefile.am (TARGETSOURCES): Add arm.cc.
12844         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
12845         * Makefile.in: Regenerate.
12846         * arm.cc: New file.
12847         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
12848
12849 2009-05-26  Doug Kwan  <dougkwan@google.com>
12850
12851         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
12852         (General_options::check_excluded_libs): Strip off directories in
12853         archive name before matching like GNU ld does.
12854         * testsuite/Makefile.am (MOSTLYCLEANFILES,
12855         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
12856         (exclude_libs_test_LDFLAGS): Add linker option
12857         -Wl,--exclude-libs,libexclude_libs_test_3
12858         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
12859         an explicit archive without using -l.
12860         (alt/libexclude_libs_test_3.a): New make rule.
12861         * testsuite/Makefile.in: Regenerate.
12862         * testsuite/exclude_libs_test.c : Declare lib3_default().
12863         (main): Call it.
12864         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
12865         * exclude_libs_test_3.c: New file.
12866
12867 2009-05-26  Nick Clifton  <nickc@redhat.com>
12868
12869         * po/id.po: New Indonesian translation.
12870         * po/gold.pot: Updated template file.
12871
12872 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
12873
12874         * testsuite/Makefile.am: Add -ffunction-sections to compile
12875         gc_comdat_test files.  Add -Wl,--gc-sections to build
12876         gc_comdat_test.
12877         * testsuite/Makefile.in: Regenerate.
12878         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
12879
12880 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
12881
12882         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
12883         kept comdat section was garbage collected.
12884         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
12885         * testsuite/Makefile.in: Regenerate.
12886         * testsuite/gc_comdat_test.sh: New file.
12887         * testsuite/gc_comdat_test_1.cc: New file.
12888         * testsuite/gc_comdat_test_2.cc: New file.
12889
12890 2009-05-19  Doug Kwan  <dougkwan@google.com>
12891
12892         * archive.cc (Archive::Archive): Move constructor from archive.h
12893         to here.  Initialize no_export_.
12894         (Archive::get_elf_object_for_member): Set no_export flag of object.
12895         * archive.h (Archive::Archive): Move constructor body to
12896         archive.cc.
12897         (Archive::no_export): New method.
12898         (Archive::no_export_): New field.
12899         * object.h (Object::Object): Initialize no_export_ to false.
12900         (Object::no_export, Object::set_no_export): New methods.
12901         (Object::no_export_): New field.
12902         * options.cc (General_options::parse_exclude_libs): New method.
12903         (General_options::check_excluded_libs) Same.
12904         * options.h (exclude_libs): New option.
12905         (General_options::check_excluded_libs): New method declaration.
12906         (General_options::excluded_libs_): New field.
12907         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
12908         default or protected visibility if an object has no-export flag set.
12909         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
12910         (check_SCRIPTS): Add exclude_libs_test.sh.
12911         (check_DATA): Add exclude_libs_test.syms.
12912         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
12913         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
12914         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
12915         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
12916         (exclude_libs_test.syms, libexclude_libs_test_1.a,
12917         libexclude_libs_test_2.a): New rules.
12918         * testsuite/Makefile.in: Regenerate.
12919         * testsuite/exclude_libs_test.c: New file.
12920         * testsuite/exclude_libs_test.sh: Ditto.
12921         * testsuite/exclude_libs_test_1.c: Ditto.
12922         * testsuite/exclude_libs_test_2.c: Ditto.
12923
12924 2009-05-15  Ian Lance Taylor  <iant@google.com>
12925
12926         * configure.ac: Check for declarations for cases where libiberty.h
12927         checks HAVE_DECL_xxx.
12928         * configure, config.in: Rebuild.
12929
12930 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
12931
12932         * gold.h (Incremental_argument_list): Remove (invalid) forward
12933         declaration.
12934         * incremental.cc (Incremental_inputs::report_achive): New method.
12935         (Incremental_inputs::report_object): New method.
12936         (Incremental_inputs::report_script): New method.
12937         (Incremental_inputs::finalize_inputs): New method.
12938         (Incremental_inputs::finalize): Call finalize_inputs().
12939         (Incremental_inputs::sized_create_incremental_inputs_section_data):
12940         Create inputs entries.
12941         * incremental.h (Incremental_input_type): New enum.
12942         (Incremental_inputs::Incremental_input): Initialize new fields.
12943         (Incremental_inputs::report_inputs): New method.
12944         (Incremental_inputs::report_achive): New method.
12945         (Incremental_inputs::report_object): New method.
12946         (Incremental_inputs::report_script): New method.
12947         (Incremental_inputs::finalize_inputs): New method.
12948         (Incremental_inputs::Input_info): New struct.
12949         (Incremental_inputs::Input_info_map): New typedef.
12950         (Incremental_inputs::lock_): New field.
12951         (Incremental_inputs::Inputs_): New field.
12952         (Incremental_inputs::Inputs_map): New field.
12953         * main.cc (main): Call Incremental_input::report_inputs.
12954         * options.h (Input_argument_list): Typedef moved from
12955         Input_arguments.
12956         (Input_file_group::Files): Remove, use ::Input_argument_list.
12957         (Input_file_group::Input_argument_list): Remove, use
12958         ::Input_argument_list.
12959         * plugin.cc (Plugin_manager::add_input_file): Add error in
12960         incremental build.
12961         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
12962         functions.
12963         * script.cc (read_input_script): Call
12964         Incremental_input::report_script.
12965         * script.h (Script_info): New class.
12966
12967 2009-04-27  Ian Lance Taylor  <iant@google.com>
12968
12969         * x86_64.cc (do_adjust_output_section): Set entsize to
12970         plt_entry_size.
12971
12972 2009-04-23  Elliott Hughes  <enh@google.com>
12973
12974         * output.cc (Output_file::close): After short writes, continue
12975         writing from the correct offset in the buffer being written.
12976
12977 2009-04-23  Chris Demetriou  <cgd@google.com>
12978
12979         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
12980         * configure: Regenerate.
12981         * config.in: Regenerate.
12982         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
12983         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
12984
12985 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
12986
12987         * incremental.cc (Incremental_inputs_header_data): Renamed from
12988         Incremental_input_header_data.
12989         (Incremental_inputs_header_data::data_size): New field.
12990         (Incremental_inputs_header_data::put_input_file_count): Renamed
12991         from input_file_count.
12992         (Incremental_inputs_header_data::put_command_line_offset): Renamed
12993         from command_line_offset.
12994         (Incremental_inputs_header_data::put_reserved): Renamed from
12995         put_reserved.
12996         (Incremental_inputs_entry_data): Renamed from
12997         Incremental_input_entry_data.
12998         (Incremental_inputs_entry_data::data_size): New field.
12999         (Incremental_inputs::report_command_line): New method.
13000         (Incremental_inputs::finalize): New method.
13001         (Incremental_inputs::create_incremental_inputs_data): New method.
13002         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
13003         * incremental.h: New file.
13004         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
13005         (Layout::finalize): Create incremental inputs section in
13006         incremental builds.
13007         (Layout::create_incremental_info_sections): New method.
13008         * layout.h (Layout::incremental_inputs): New method.
13009         (Layout::create_incremental_info_sections): New method.
13010         (Layout::incremental_inputs_): New field.
13011         * main.cc (main): Notify Incremental_input of the command line.
13012
13013 2009-04-01  Ian Lance Taylor  <iant@google.com>
13014             Mikolaj Zalewski  <mikolajz@google.com>
13015
13016         * gold.h (reserve_unordered_map): Define, three versions, one for
13017         each version of Unordered_map.
13018         * layout.cc (Layout::Layout): Remove options parameter.  Add
13019         number_of_input_files parameter.  Don't initialize options_.
13020         Initialize number_of_input_files_ and resized_signatures_.  Move
13021         sections_are_attached_.
13022         (Layout::layout_group): Reserve space for group_signatures_.
13023         (Layout::find_or_add_kept_section): Change name parameter to be a
13024         reference.  Resize signatures_ map when it gets large enough.
13025         (Layout::layout_eh_frame): Use parameters->options() instead of
13026         this->options_.
13027         (Layout::make_output_section): Likewise.
13028         (Layout::attach_allocated_section_to_segment): Likewise.
13029         (Layout::finalize, Layout::create_executable_stack): Likewise.
13030         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
13031         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
13032         * layout.h (class Layout): Update declarations.  Remove options_
13033         field.  Add number_of_input_files_ and resized_signatures_
13034         fields.  Move sections_are_attached_ field.
13035         * main.cc (main): Pass number of input files to Layout
13036         constructor.  Don't pass options.
13037
13038 2009-03-30  Ian Lance Taylor  <iant@google.com>
13039
13040         * ffsll.c (ffsll): Correct implementation.
13041
13042 2009-03-27  Ian Lance Taylor  <iant@google.com>
13043
13044         * ffsll.c: New file.
13045         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
13046         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
13047         * ftruncate.c (ftruncate): Declare before definition.
13048         * mremap.c (mremap): Likewise.
13049         * pread.c (pread): Likewise.
13050         * configure, Makefile.in, config.in: Rebuild.
13051
13052         * mremap.c: New file.
13053         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
13054         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
13055         (mremap): Declare if HAVE_MREMAP is not defined.
13056         * configure, Makefile.in, config.in: Rebuild.
13057
13058 2009-03-27  Cary Coutant  <ccoutant@google.com>
13059
13060         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
13061         position independent.
13062         * sparc.cc (Target_sparc::check_non_pic): Likewise.
13063         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
13064
13065 2009-03-24  Cary Coutant  <ccoutant@google.com>
13066
13067         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
13068         an executable.
13069         (needs_dynamic_reloc): Likewise.
13070
13071 2009-03-24  Ian Lance Taylor  <iant@google.com>
13072
13073         * yyscript.y (file_cmd): Recognize EXTERN.
13074         (extern_name_list, extern_name_list_body): New nonterminals.
13075         * script.cc (script_add_extern): Define.
13076         * script-c.h (script_add_extern): Declare.
13077
13078 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
13079
13080         * object.cc (is_elf_object): Define.
13081         * object.h (is_elf_object): Declare.
13082         * archive.cc (Archive::get_elf_object_for_member): Call
13083         is_elf_object.
13084         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
13085
13086 2009-03-24  Elliott Hughes  <enh@google.com>
13087
13088         * output.cc (Output_file::map_anonymous): Define.
13089         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
13090         try an anonymous one.  Report the size if the mmap fails.
13091         * output.h (class Output_file): Declare map_anonymous.
13092
13093 2009-03-24  Ian Lance Taylor  <iant@google.com>
13094
13095         * target-select.cc (instantiate_target): Don't acquire the lock if
13096         the instantiated_target_ field has already been set.
13097
13098 2009-03-23  Ian Lance Taylor  <iant@google.com>
13099
13100         * gold-threads.h (class Initialize_lock): Define.
13101         * gold-threads.cc (class Initialize_lock_once): Define.
13102         (initialize_lock_control): New static variable.
13103         (initialize_lock_pointer): New static variable.
13104         (initialize_lock_once): New static function.
13105         (Initialize_lock::Initialize_lock): Define.
13106         (Initialize_lock::initialize): Define.
13107         * target-select.h: Include "gold-threads.h".
13108         (class Target_selector): Add lock_ and initialize_lock_ fields.
13109         Don't define instantiate_target, just declare it.
13110         * target-select.cc (Target_selector::Target_selector): Initialize
13111         new fields.
13112         (Target_selector::instantiate_target): Define.
13113         * descriptors.h: Include "gold-threads.h".
13114         (class Descriptors): Add initialize_lock_ field.
13115         * descriptors.cc (Descriptors::Descriptors): Initialize new
13116         field.
13117         (Descriptors::open): Use initialize_lock_ field
13118         * errors.h (class Errors): Add initialize_lock_ field.
13119         * errors.cc (Errors::Errors): Initialize new field.
13120         (Errors::initialize_lock): Use initialize_lock_ field.
13121         * powerpc.cc (class Target_selector_powerpc): Remove
13122         instantiated_target_ field.  In do_recognize call
13123         instantiate_target rather than do_instantiate_target.  In
13124         do_instantiate_target just allocate a new target.
13125         * sparc.cc (class Target_selector_sparc): Likewise.
13126
13127         * freebsd.h: New file.
13128         * i386.cc: Include "freebsd.h".
13129         (Target_i386): Derive from Target_freebsd rather than
13130         Sized_target.
13131         (Target_selector_i386): Derive from Target_selector_freebsd rather
13132         than Target_selector.
13133         * x86_64.cc: Include "freebsd.h".
13134         (Target_x86_64): Derive from Target_freebsd rather than
13135         Sized_target.
13136         (Target_selector_x86_64): Derive from Target_selector_freebsd
13137         rather than Target_selector.
13138         * target.h (class Target): Add adjust_elf_header and
13139         do_adjust_elf_header.
13140         * output.cc (Output_file_header:: do_sized_write): Call target
13141         adjust_elf_header routine.
13142         * configure.tgt: Set targ_osabi.
13143         * configure.ac: Define GOLD_DEFAULT_OSABI.
13144         * parameters.cc (Parameters::default_target): Pass
13145         GOLD_DEFAULT_OSABI to select_target.
13146         * target-select.h (class Target_selector): Make instantiate_target
13147         protected rather than private.
13148         * Makefile.am (HFILES): Add freebsd.h.
13149         * configure, Makefile.in, config.in: Rebuild.
13150
13151         * merge.cc (do_add_input_section): Correct pend value.  Change
13152         message about last entry not being null terminated from error to
13153         warning.
13154
13155 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
13156
13157         * incremental.cc: New file.
13158         * Makefile.am (CCFILES): Add incremental.cc.
13159         * Makefile.in: Rebuild.
13160
13161 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
13162
13163         * layout.cc (Layout::output_section_name): Preserve names
13164         of '.note.' sections.
13165
13166 2009-03-19  Ian Lance Taylor  <iant@google.com>
13167
13168         * descriptors.cc (Descriptors::open): Check that the options are
13169         valid before using them.
13170
13171 2009-03-18  Ian Lance Taylor  <iant@google.com>
13172
13173         * script-sections.h: Include <list>.
13174         (class Script_sections): Change Sections_elements from std::vector
13175         to std::list.  Typedef public Elements_iterator.  Add
13176         orphan_section_placement_, data_segment_align_start_, and
13177         saw_data_segment_align_ fields.  Remove data_segment_align_index_
13178         field.
13179         * script-sections.cc (class Orphan_section_placement): New class.
13180         (class Sections_element): Add virtual functions is_relro and
13181         orphan_section_init.  Remove virtual function place_orphan_here.
13182         (class Output_section_definition): Add is_relro and
13183         orphan_section_init.  Remove place_orphan_here.
13184         (class Orphan_output_section): Likewise.
13185         (Script_sections::Script_sections): Update for field changes.
13186         (Script_sections::data_segment_align): Set saw_data_segment_align_
13187         and data_segment_align_start_, not data_segment_align_index.
13188         (Script_sections::data_segment_relro_end): Check
13189         saw_data_segment_align_.  Use data_segment_align_start_ rather
13190         than data_segment_align_index_.
13191         (Script_sections::place_orphan): Rewrite to use
13192         Orphan_section_placement.
13193
13194 2009-03-17  Ian Lance Taylor  <iant@google.com>
13195
13196         * archive.cc (Archive::add_symbols): Check for a version attached
13197         to the symbol name in the archive map.
13198         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
13199         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
13200         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
13201         (ver_test_11.a): New target.
13202         * testsuite/Makefile.in: Rebuild.
13203
13204         * configure.ac: Check for chsize and posix_fallocate.  Replace
13205         ftruncate.
13206         * ftruncate.c: New file, from gnulib.
13207         * output.cc (posix_fallocate): Define dummy version if not
13208         HAVE_POSIX_FALLOCATE.
13209         (Output_file::map): Call posix_fallocate rather than lseek and
13210         write.
13211         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
13212         * configure, Makefile.in, config.in: Rebuild.
13213
13214 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
13215
13216         * layout.h (Layout::create_note): Add section_name parameter.
13217         * layout.cc (Layout::create_note): Likewise.
13218         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
13219
13220 2009-03-17  Ian Lance Taylor  <iant@google.com>
13221
13222         * descriptors.cc: Include "options.h".
13223         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
13224         (Descriptors::open): Always use O_CLOEXEC when opening a new
13225         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
13226         then set FD_CLOEXEC.
13227
13228         * sparc.cc (class Target_sparc): Add has_got_section.
13229         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
13230         make sure we have a GOT section.
13231
13232         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
13233         (Target_sparc::Scan::local): Likewise.
13234         (Target_sparc::Scan::global): Likewise.
13235         (Target_sparc::Relocate::relocate): Likewise.
13236         (Target_sparc::Relocate::relocate_tls): Likewise.
13237
13238         * symtab.cc (Symbol_table::define_default_version): New function,
13239         broken out of add_from_object.
13240         (Symbol_table::add_from_object): Call define_default_version.
13241         (Symbol_table::define_special_symbol): Add resolve_oldsym
13242         parameter.  Change all callers.  If the version for a symbol comes
13243         from a version script, resolve it with the symbol with the same
13244         name with no version.  Also add the symbol without a version if
13245         appropriate.
13246         (do_define_in_output_data): If resolving with oldsym, don't delete
13247         sym.
13248         (do_define_in_output_segment): Likewise.
13249         (do_define_as_constant): Likewise.
13250         * symtab.h (class Symbol_table): Update declarations.
13251
13252 2009-03-13  Ian Lance Taylor  <iant@google.com>
13253
13254         * readsyms.cc (Read_symbols::incompatible_warning): New function.
13255         (Read_symbols::requeue): New function.
13256         (Read_symbols::do_read_symbols): If make_elf_object fails because
13257         the target type is not configured, and the file was searched for,
13258         issue a warning and retry with the next directory.
13259         (Add_symbols::run): If the file has an incompatible format, and
13260         it was searched for, requeue the Read_symbols task.  On error,
13261         release the object.
13262         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
13263         dirindex parameter to constructor.  Change all callers.  Declare
13264         incompatible_warning and requeue.
13265         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
13266         input_argument_ and input_group_ fields.  Add them to
13267         constructor.  Change all callers.
13268         (class Read_script): Add dirindex_ field.  Add it to constructor.
13269         Change all callers.
13270         * archive.cc (Archive::setup): Remove input_objects parameter.
13271         Change all callers.
13272         (Archive::get_file_and_offset): Likewise.
13273         (Archive::read_all_symbols): Likewise.
13274         (Archive::read_symbols): Likewise.
13275         (Archive::get_elf_object_for_member): Remove input_objects
13276         parameter.  Add punconfigured parameter.  Change all callers.
13277         (Archive::add_symbols): Change return type to bool.  Check return
13278         value of include_member.
13279         (Archive::include_all_members): Likewise.
13280         (Archive::include_member): Change return type to bool.  Return
13281         false if first included object has incompatible target.  Set
13282         included_member_ field.
13283         (Add_archive_symbols::run): If add_symbols returns false, requeue
13284         Read_symbols task.
13285         * archive.h (class Archive): Add included_member_ field.
13286         Initialize it in constructor.  Add input_file and searched_for
13287         methods.  Update declarations.
13288         (class Add_archive_symbols): Add dirpath_, dirindex_, and
13289         input_argument_ fields.  Add them to constructor.  Change all
13290         callers.
13291         * script.cc: Include "target-select.h".
13292         (class Parser_closure): Add skip_on_incompatible_target_ and
13293         found_incompatible_target_ fields.  Add
13294         skip_on_incompatible_target parameter to constructor.  Change all
13295         callers.  Add methods skip_on_incompatible_target,
13296         clear_skip_on_incompatible_target, found_incompatible_target, and
13297         set_found_incompatible_target.
13298         (read_input_script): Add dirindex parameter.  Change all callers.
13299         If parser finds an incompatible target, requeue Read_symbols
13300         task.
13301         (script_set_symbol): Clear skip_on_incompatible_target in
13302         closure.
13303         (script_add_assertion, script_parse_option): Likewise.
13304         (script_start_sections, script_add_phdr): Likewise.
13305         (script_check_output_format): New function.
13306         * script.h (read_input_script): Update declaration.
13307         * script-c.h (script_check_output_format): Declare.
13308         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
13309         (ignore_cmd): Remove OUTPUT_FORMAT.
13310         * fileread.cc (Input_file::Input_file): Add explicit this.
13311         (Input_file::will_search_for): New function.
13312         (Input_file::open): Add pindex parameter.  Change all callers.
13313         * fileread.h (class Input_file): Add input_file_argument method.
13314         Declare will_search_for.  Update declarations.
13315         * object.cc (make_elf_object): Add punconfigured parameter.
13316         Change all callers.
13317         * object.h (class Object): Make input_file public.  Add
13318         searched_for method.
13319         (make_elf_object): Update declaration.
13320         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
13321         restart search.
13322         * dirsearch.h (class Dirsearch): Update declaration.
13323         * options.h (class General_options): Add --warn-search-mismatch.
13324         * parameters.cc (Parameters::is_compatible_target): New function.
13325         * parameters.h (class Parameters): Declare is_compatible_target.
13326         * workqueue.cc (Workqueue::add_blocker): New function.
13327         * workqueue.h (class Workqueue): Declare add_blocker.
13328
13329         * fileread.cc (Input_file::open): Remove options parameter.
13330         Change all callers.
13331         (Input_file::open_binary): Likewise.
13332         * script.cc (read_input_script): Likewise.
13333         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
13334         options parameter from constructor.  Change all callers.
13335         (class Read_script): Likewise.
13336         * fileread.h (class Input_file): Update declarations.
13337         * script.h (read_input_script): Update declaration.
13338
13339 2009-03-10  Nick Clifton  <nickc@redhat.com>
13340
13341         * po/es.po: New Spanish translation.
13342
13343 2009-03-06  Cary Coutant  <ccoutant@google.com>
13344
13345         * options.cc (parse_short_option): Keep dash_z from registering itself.
13346
13347 2009-03-03  Ian Lance Taylor  <iant@google.com>
13348
13349         PR 9918
13350         * target-reloc.h (relocate_section): Pass output_section to
13351         relocate.
13352         * i386.cc (Target_i386::should_apply_static_reloc): Add
13353         output_section parameter.  Change all callers.
13354         (Target_i386::Relocate::relocate): Add output_section parameter.
13355         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
13356         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
13357         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
13358         * testsuite/two_file_shared.sh: New script.
13359         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
13360         (check_DATA): Add two_file_shared.dbg.
13361         (two_file_shared.dbg): New target.
13362         * testsuite/Makefile.in: Rebuild.
13363
13364 2009-03-01  Ian Lance Taylor  <iant@google.com>
13365
13366         * configure.ac: Check for byteswap.h.
13367         * configure: Rebuild.
13368         * config.in: Rebuild.
13369
13370 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
13371
13372         * layout.cc (Layout::find_or_add_kept_section): New function.
13373         (Layout::add_comdat): Removed.
13374         * layout.h (struct Kept_section): Move out of class Layout.
13375         Remove trailing underscores from field names.  Add group_sections
13376         field.  Rename group_ field to is_group.  Change all uses.
13377         (class Layout): Declare find_or_add_kept_section, not add_comdat.
13378         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
13379         comdat_groups_ field.
13380         (Sized_relobj::include_section_group): Use
13381         find_or_add_kept_section and Kept_section::group_sections.
13382         (Sized_relobj::include_linkonce_section): Likewise.
13383         * object.cc (class Sized_relobj): Don't define Comdat_group or
13384         Comdat_group_table.  Remove find_comdat_group and
13385         add_comdat_group.  Remove comdat_groups_ field.
13386         * plugin.cc (include_comdat_group): Use
13387         Layout::find_or_add_kept_section.
13388
13389 2009-02-28  Ian Lance Taylor  <iant@google.com>
13390
13391         * README: --gc-sections and map files are now supported.  Document
13392         some build requirements.
13393
13394         PR 6992
13395         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
13396         relocatable link set the value of the section symbol to zero.
13397         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
13398         relocatable link don't include the section address in the local
13399         symbol value.
13400
13401 2009-02-27  Ian Lance Taylor  <iant@google.com>
13402
13403         PR 6811
13404         * options.h (class Search_directory): Add is_system_directory.
13405         (class General_options): Declare is_in_system_directory.
13406         * options.cc (get_relative_sysroot): Make static.
13407         (get_default_sysroot): Make static.
13408         (General_optoins::is_in_system_directory): New function.
13409         * fileread.cc (Input_file::is_in_system_directory): New function.
13410         * fileread.h (class Input_file): Declare is_in_system_directory.
13411         * object.h (class Object): Add is_in_system_directory.
13412         (class Input_objects): Remove system_library_directory_ field.
13413         * object.cc (Input_objects::add_object): Don't set
13414         system_library_directory_.
13415         (input_objects::found_in_system_library_directory): Remove.
13416         * symtab.cc (Symbol_table::write_globals): Remove input_objects
13417         parameter.  Change all callers.
13418         (Symbol_table::sized_write_globals): Likewise.
13419         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
13420         Call Object::is_in_system_directory.
13421         * symtab.h (class Symbol_table): Update declarations.
13422
13423         PR 5990
13424         * descriptors.h (Open_descriptor): Add is_on_stack field.
13425         * descriptors.cc (Descriptors::open): If the descriptor is on the
13426         top of the stack, remove it.  Initialize is_on_stack field.
13427         (Descriptors::release): Only add pod to stack if it is not on the
13428         stack already.
13429         (Descriptors::close_some_descriptor): Clear stack_next and
13430         is_on_stack fields.
13431
13432         PR 7091
13433         * output.cc (Output_section::find_starting_output_address): Rename
13434         from starting_output_address; add PADDR parameter; change return
13435         type.
13436         * output.h (class Output_section): Declare
13437         find_starting_output_address instead of starting_output_address.
13438         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
13439         section symbol for which we can't find a merge section.
13440
13441         PR 9836
13442         * symtab.cc (Symbol_table::add_from_object): If the visibility is
13443         hidden or internal, force the symbol to be local.
13444         * resolve.cc (Symbol::override_visibility): Define.
13445         (Symbol::override_base): Use override_visibility.
13446         (Symbol_table::resolve): Likewise.
13447         (Symbol::override_base_with_special): Likewise.
13448         (Symbol_table::override_with_special): If the visibility is hidden
13449         or internal, force the symbol to be local.
13450         * symtab.h (class Symbol): Add set_visibility and
13451         override_visibility.
13452         * testsuite/ver_test_1.sh: New file.
13453         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
13454         (check_DATA): Add ver_test_1.syms.
13455         (ver_test_1.syms): New target.
13456         * testsuite/Makefile.in: Rebuild.
13457
13458 2009-02-25  Cary Coutant  <ccoutant@google.com>
13459
13460         * layout.cc (Layout::choose_output_section): Don't rename sections
13461         when using a linker script that has a SECTIONS clause.
13462         * Makefile.in: Regenerate.
13463
13464         * testsuite/Makefile.am (script_test_5.sh): New test case.
13465         * testsuite/Makefile.in: Regenerate.
13466         * testsuite/script_test_5.cc: New file.
13467         * testsuite/script_test_5.sh: New file.
13468         * testsuite/script_test_5.t: New file.
13469
13470 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
13471
13472         * archive.cc (Archive::include_member): Update calls to add_symbols.
13473         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
13474         the Layout argument.
13475         * dynobj.h (do_add_symbols): Add the Layout argument.
13476         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
13477         Layout argument.
13478         * object.h (Object::add_symbols): Add the Layout argument.
13479         (Object::do_add_symbols): Add the Layout argument.
13480         (Sized_relobj::do_add_symbols): Add the Layout argument.
13481         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
13482         Unify the two versions.
13483         (Add_plugin_symbols): Remove.
13484         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
13485         (Sized_pluginobj::do_add_symbols): Unify the two versions.
13486         (Add_plugin_symbols): Remove.
13487         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
13488         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
13489         (Add_symbols::run): Make it work with Pulginobj.
13490
13491 2009-02-06  Ian Lance Taylor  <iant@google.com>
13492
13493         * object.cc (Sized_relobj::do_layout): Make info message start
13494         with lower case letter.
13495
13496 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
13497
13498         * binary.cc: Fix file comment.
13499
13500         * options.h (enum Incremental_disposition): Define.
13501         (class General_options): Add new options: --incremental,
13502         --incremental_changed, --incremental_unchanged,
13503         --incremental_unknown.  Add incremental_disposition_ and
13504         implicit_incremental_ fields.
13505         (General_options::incremental_disposition): New function.
13506         (class Position_dependent_options): Add incremental_disposition
13507         option.
13508         (Position_dependent_options::copy_from_options): Set incremental
13509         dispositions.
13510         * options.cc (General_options::parse_incremental_changed): New
13511         function.
13512         (General_options::parse_incremental_unchanged): New function.
13513         (General_options::parse_incremental_unknown): New function.
13514         (General_options::General_options): Initialize new fields
13515         incremental_disposition_ and implicit_incremental_.
13516         (General_options::finalize): Check for uasge of --incremental-*
13517         without --incremental.
13518
13519 2009-02-06  Chris Demetriou  <cgd@google.com>
13520
13521         * gold.h (gold_undefined_symbol): Change to take only a Symbol
13522         pointer and to report location as the file name associated with
13523         the symbol.
13524         (gold_undefined_symbol_at_location): New function to replace the
13525         old gold_undefined_symbol functionality.
13526         * target-reloc.h (relocate_section): Update to use
13527         gold_undefined_symbol_at_location.
13528         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
13529         Call gold_undefined_symbol function rather than gold_error.
13530         * errors.h (Errors::undefined_symbol): Take location as a
13531         string, rather than calculating it from a relocation.
13532         * errors.cc (Errors::fatal): Print "fatal error:" before the
13533         formatted message.
13534         (Errors::error, Errors::error_at_location): Print "error: "
13535         before the formatted message.
13536         (Errors::undefined_symbol): Take location as a string, rather
13537         than calculating it from a relocation.
13538         (gold_undefined_symbol_at_location): New function akin to
13539         old gold_undefined_symbol, calculates location from relocation.
13540         (gold_undefined_symbol): Change to take only a Symbol pointer
13541         and to report location as the file name associated with the symbol.
13542         * testsuite/debug_msg.sh: Update for changed error messages.
13543         * testsuite/undef_symbol.sh: Likewise.
13544
13545 2009-02-04  Duncan Sands  <baldrick@free.fr>
13546
13547         PR 9812
13548         * reduced_debug_output.h
13549         (Output_reduced_debug_abbrev_section::failed): Use format for
13550         gold_warning.
13551         (Output_reduced_debug_info_section::faild): Likewise.
13552
13553 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
13554
13555         * script.cc (Lazy_demangler): New class.
13556         (Version_script_info::get_symbol_version_helper): Demangle a
13557         symbol only once.
13558
13559 2009-01-29  Cary Coutant  <ccoutant@google.com>
13560
13561         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
13562         to __tls_get_addr.
13563         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
13564
13565 2009-01-28  Ian Lance Taylor  <iant@google.com>
13566
13567         * version.cc (version_string): Bump to 1.9.
13568
13569         * gold.h: Include <cstring> and <stdint.h>.
13570         * version.cc: Include <cstdio>.
13571         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
13572         warning.
13573         * reduced_debug_output.cc (insert_into_vector): Rename from
13574         Insert_into_vector; change all callers.  Use Swap_unaligned to
13575         avoid aliasing issue; remove union since it is unnecessary.
13576
13577 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
13578
13579         * Makefile.am (CCFILES): Add gc.cc.
13580         (HFILES): Add gc.h.
13581         * Makefile.in: Regenerate.
13582         * gold.cc (Gc_runner): New class.
13583         (queue_initial_tasks): Call garbage collection related tasks
13584         when corresponding options are invoked.
13585         (queue_middle_gc_tasks): New function.
13586         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
13587         processed early before laying out sections during garbage collection.
13588         * gold.h (queue_middle_gc_tasks): New function.
13589         (is_prefix_of): Move from "layout.cc".
13590         * i386.cc (Target_i386::gc_process_relocs): New function.
13591         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
13592         * main.cc (main): Create object of class "Garbage_collection".
13593         * object.cc (Relobj::copy_symbols_data): New function.
13594         (Relobj::is_section_name_included): New function.
13595         (Sized_relobj::do_layout): Allow this function to be called twice
13596         during garbage collection and defer layout of section during the
13597         first call.
13598         * object.h (Relobj::get_symbols_data): New function.
13599         (Relobj::is_section_name_included): New function.
13600         (Relobj::copy_symbols_data): New function.
13601         (Relobj::set_symbols_data): New function.
13602         (Relobj::get_relocs_data): New function.
13603         (Relobj::set_relocs_data): New function.
13604         (Relobj::is_output_section_offset_invalid): New pure virtual function.
13605         (Relobj::gc_process_relocs): New function.
13606         (Relobj::do_gc_process_relocs): New pure virtual function.
13607         (Relobj::sd_): New data member.
13608         (Sized_relobj::is_output_section_offset_invalid): New function.
13609         (Sized_relobj::do_gc_process_relocs): New function.
13610         * options.h (General_options::gc_sections): Modify to not be a no-op.
13611         (General_options::print_gc_sections): New option.
13612         * plugin.cc (Plugin_finish::run): Remove function call to
13613         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
13614         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
13615         * reloc.cc (Read_relocs::run): Add task to process relocs and
13616         determine unreferenced sections when doing garbage collection.
13617         (Gc_process_relocs): New class.
13618         (Sized_relobj::do_gc_process_relocs): New function.
13619         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
13620         sections that are garbage collected.
13621         * reloc.h (Gc_process_relocs): New class.
13622         * sparc.cc (Target_sparc::gc_process_relocs): New function.
13623         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
13624         symbols whose corresponding sections are garbage collected.
13625         (Symbol_table::Symbol_table): Add new parameter for the garbage
13626         collection object.
13627         (Symbol_table::gc_mark_undef_symbols): New function.
13628         (Symbol_table::gc_mark_symbol_for_shlib): New function.
13629         (Symbol_table::gc_mark_dyn_syms): New function.
13630         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
13631         as garbage.
13632         (Symbol_table::add_from_object): Likewise.
13633         (Symbol_table::add_from_relobj): When building shared objects, do not
13634         treat externally visible symbols as garbage.
13635         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
13636         table information for static and relocatable links.
13637         * symtab.h (Symbol_table::set_gc): New function.
13638         (Symbol_table::gc): New function.
13639         (Symbol_table::gc_mark_undef_symbols): New function.
13640         (Symbol_table::gc_mark_symbol_for_shlib): New function.
13641         (Symbol_table::gc_mark_dyn_syms): New function.
13642         (Symbol_table::gc_): New data member.
13643         * target.h (Sized_target::gc_process_relocs): New pure virtual
13644         function.
13645         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
13646         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
13647
13648 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
13649
13650         * options.h (General_options::gc_sections): Define as a no-op for now.
13651         (General_options::no_keep_memory): Ditto.
13652         (General_options::Bshareable): Define.
13653         * options.cc (General_options::finalize): Honor -Bshareable.
13654
13655 2009-01-20  Andreas Schwab  <schwab@suse.de>
13656
13657         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
13658         read the value in the contents, since we don't use it.  Use the
13659         template endianness when writing.
13660         (Relocate::relocate): Use it for R_PPC_REL16_HA.
13661
13662 2009-01-19  Andreas Schwab  <schwab@suse.de>
13663
13664         * configure.tgt (powerpc64-*): Fix targ_obj.
13665
13666 2009-01-15  Ian Lance Taylor  <iant@google.com>
13667
13668         * object.cc (Sized_relobj::write_local_symbols): Don't write out
13669         local symbols when stripping all symbols.
13670
13671 2009-01-14  Cary Coutant  <ccoutant@google.com>
13672
13673         * output.cc (Output_reloc): Add explicit instantiations.
13674
13675 2009-01-14  Cary Coutant  <ccoutant@google.com>
13676
13677         * archive.cc (Archive::get_elf_object_for_member): Remove call
13678         to File_read::claim_for_plugin.
13679         * descriptors.cc (Descriptors::open): Remove reference to
13680         is_claimed.
13681         (Descriptors::claim_for_plugin): Remove.
13682         * descriptors.h (Descriptors::claim_for_plugin): Remove.
13683         (Descriptors::is_claimed): Remove.
13684         (claim_descriptor_for_plugin): Remove.
13685         * fileread.cc (File_read::claim_for_plugin): Remove.
13686         * fileread.h (File_read::claim_for_plugin): Remove.
13687         (File_read::descriptor): Reopen descriptor if necessary.
13688         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
13689         (Plugin_manager::all_symbols_read): Add task parameter. Change
13690         all callers.
13691         (Plugin_manager::get_input_file): New function.
13692         (Plugin_manager::release_input_file): New function.
13693         (Pluginobj::Pluginobj): Add filesize parameter and initialize
13694         corresponding data member.
13695         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
13696         and pass to base constructor. Change all callers.
13697         (get_input_file, release_input_file): New functions.
13698         (make_sized_plugin_object): Add filesize parameter. Change all callers.
13699         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
13700         (Plugin_manager::all_symbols_read): Add task parameter.
13701         (Plugin_manager::get_input_file): New function.
13702         (Plugin_manager::release_input_file): New function.
13703         (Plugin_manager::task_): New data member.
13704         (Pluginobj::Pluginobj): Add filesize parameter.
13705         (Pluginobj::filename): New function.
13706         (Pluginobj::descriptor): New function.
13707         (Pluginobj::filesize): New function.
13708         (Pluginobj::filesize_): New data member.
13709         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
13710         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
13711         File_read::claim_for_plugin; use Object::unlock to unlock the file.
13712
13713         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
13714         with archive libraries.
13715         * testsuite/Makefile.in: Regenerate.
13716         * testsuite/plugin_test.c (struct sym_info): New type.
13717         (get_input_file, release_input_file): New static variables.
13718         (onload): Capture new transfer vector entries.
13719         (claim_file_hook): Stop reading at end of file according to filesize.
13720         Factor out parsing of readelf output into separate function.
13721         (all_symbols_read_hook): Exercise get_input_file and release_input_file
13722         APIs and get the source file name from the symbol table.  Convert
13723         source file name to corresponding object file name.  Print info
13724         message when adding new input files.
13725         (parse_readelf_line): New function.
13726         * testsuite/plugin_test_1.sh: Add checks for new info messages.
13727         * testsuite/plugin_test_2.sh: Likewise.
13728         * testsuite/plugin_test_3.sh: Likewise.
13729         * testsuite/plugin_test_4.sh: New test case.
13730
13731 2009-01-07  Ian Lance Taylor  <iant@google.com>
13732
13733         * version.cc (version_string): Bump to 1.8.
13734
13735 2008-12-23  Cary Coutant  <ccoutant@google.com>
13736
13737         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
13738         * plugin.cc (Plugin_manager::finish): Rename as
13739         layout_deferred_objects.  Move cleanup to separate function.
13740         (Plugin_manager::cleanup): New function.
13741         (Plugin_finish::run): Call layout_deferred_objects and cleanup
13742         separately.
13743         * plugin.h (Plugin_manager::finish): Rename as
13744         layout_deferred_objects.
13745         (Plugin_manager::cleanup): New function.
13746         (Plugin_manager::cleanup_done): New field.
13747
13748 2008-12-23  Cary Coutant  <ccoutant@google.com>
13749
13750         * plugin.cc (is_visible_from_outside): New function.
13751         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
13752         so we don't return "IR only" status for exported symbols or -r links.
13753
13754         * testsuite/Makefile.am (plugin_test_3): New test case.
13755         * testsuite/Makefile.in: Regenerate.
13756         * testsuite/plugin_test_3.sh: New file.
13757
13758 2008-12-22  Cary Coutant  <ccoutant@google.com>
13759
13760         * object.cc (Sized_relobj::layout_section): New function.
13761         (Sized_relobj::do_layout): Defer layout of input sections until after
13762         plugin has provided replacement files.
13763         (Sized_relobj::do_layout_deferred_sections): New function.
13764         * object.h (Relobj::set_section_offset): Remove virtual keyword.
13765         (Relobj::layout_deferred_sections): New function.
13766         (Relobj::do_layout_deferred_sections): New function.
13767         (Sized_relobj::do_layout_deferred_sections): New function.
13768         (Sized_relobj::layout_section): New function.
13769         (Sized_relobj::Deferred_layout): New structure.
13770         (Sized_relobj::deferred_layout_): New field.
13771         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
13772         Change all callers.  Layout deferred sections.
13773         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
13774         references.
13775         (Plugin_hook::run): Move code from do_plugin_hook inline.
13776         (Plugin_hook::do_plugin_hook): Remove.
13777         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
13778         (Plugin_manager::finish): Renamed, was cleanup.
13779         (Plugin_manager::should_defer_layout): New function.
13780         (Plugin_manager::add_deferred_layout_object): New function.
13781         (Plugin_manager::Deferred_layout_list): New type.
13782         (Plugin_manager::deferred_layout_objects_): New field.
13783         (Plugin_hook::do_plugin_hook): Remove.
13784
13785 2008-12-17  Ian Lance Taylor  <iant@google.com>
13786
13787         * options.h (class General_options): Add --no case for
13788         --export-dynamic.
13789
13790 2008-12-16  Cary Coutant  <ccoutant@google.com>
13791
13792         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
13793         vector.
13794         (Plugin_manager::claim_file): Create plugin object even if
13795         plugin did not call the add_symbols callback.
13796         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
13797         asking for more symbols than were added.
13798         * testsuite/Makefile.am (plugin_test_1): Add test case with
13799         no global symbols.
13800         (empty.syms): New target.
13801         * testsuite/Makefile.in: Regenerate.
13802         * testsuite/plugin_test.c (claim_file_hook): Add new debug
13803         message. Don't call add_symbols if no globals.
13804         (all_symbols_read_hook): Don't provide replacement for empty
13805         claimed file.
13806
13807 2008-12-12  Ian Lance Taylor  <iant@google.com>
13808
13809         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
13810         r_type == 0 for a local symbol with r_sym == 0.
13811         (scan_relocatable_relocs): Pass r_sym to
13812         local_non_section_strategy.
13813         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
13814         r_sym parameter.
13815
13816         * configure.ac: Update test for TLS descriptors: they are
13817         supported as of glibc 2.9.
13818         * configure: Rebuild.
13819
13820 2008-12-11  Ian Lance Taylor  <iant@google.com>
13821
13822         PR 7091
13823         * target-reloc.h (Default_scan_relocatable_relocs): For each
13824         function, map r_type == 0 to RELOC_DISCARD.
13825
13826 2008-12-10  Cary Coutant  <ccoutant@google.com>
13827
13828         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
13829         object to override a kept COMDAT group from a plugin object.
13830
13831 2008-12-09  Ian Lance Taylor  <iant@google.com>
13832
13833         PR 7088
13834         * yyscript.y (file_cmd): Handle INPUT.
13835
13836         * testsuite/initpri1.c: Change all declarations to be full
13837         prototypes by adding void, to avoid compiler warnings.
13838
13839 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
13840
13841         * options.cc (General_options::parse_plugin_opt): New.
13842         (General_options::add_plugin): The argument now is just the filename.
13843         (General_options::add_plugin_option): New.
13844         * options.h (plugin_opt): New.
13845         (add_plugin): Change argument name.
13846         (add_plugin_option): New.
13847         * plugin.cc (Plugin::load): Don't parse the plugin option.
13848         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
13849         (Plugin::add_option): New.
13850         (Plugin::args_): Change type.
13851         (Plugin::filename_): New.
13852         (Plugin_manager::add_plugin_option): New.
13853         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
13854         * testsuite/Makefile.in: Regenerate.
13855
13856 2008-12-05  Cary Coutant  <ccoutant@google.com>
13857
13858         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
13859         Handle --strip-lto-sections option.
13860         * options.h (strip_lto_sections): New option.
13861
13862 2008-12-01  Cary Coutant  <ccoutant@google.com>
13863
13864         * plugin.cc (ld_plugin_message): Change format parameter to const.
13865         Fix mismatch between new[] and delete.
13866
13867 2008-11-14  Cary Coutant  <ccoutant@google.com>
13868
13869         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
13870         instead of -1U.
13871
13872 2008-11-05  Craig Silverstein  <csilvers@google.com>
13873
13874         * options.cc (General_options::parse_dynamic_list): New function.
13875         * options.h (General_options): New flags dynamic_list,
13876         dynamic_list_data, dynamic_list_cpp_new, and
13877         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
13878         (General_options::in_dynamic_list): New function.
13879         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
13880         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
13881         (Lex::can_continue_name): Likewise.
13882         (yylex): Likewise.
13883         (read_script_file): New parameter script_options.
13884         (read_dynamic_list): New function.
13885         (Script_options::define_dynamic_list): New function.
13886         (dynamic_list_keyword_parsecodes): New variable.
13887         (dynamic_list_keywords): New variable.
13888         * script.h (Script_options::define_dynamic_list): New function
13889         prototype.
13890         (read_dynamic_list): New function prototype.
13891         * symtab.cc (strprefix): New macro.
13892         (Symbol::should_add_dynsym_entry): Support dynamic_list,
13893         dynamic_list_data, dynamic_list_cpp_new, and
13894         dynamic_list_cpp_typeinfo.
13895         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
13896         (dynamic_list_expr): New rule.
13897         (dynamic_list_nodes): Likewise.
13898         (dynamic_list_node): Likewise.
13899         * testsuite/Makefile.am (dynamic_list): New test.
13900         * testsuite/Makefile.in: Regenerated.
13901         * testsuite/dynamic_list.t: New file.
13902         * testsuite/dynamic_list.sh: New file.
13903
13904 2008-11-05  Craig Silverstein  <csilvers@google.com>
13905
13906         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
13907         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
13908         (t11_last): Likewise.
13909         * testsuite/ver_test_6.c (main): Likewise.
13910
13911 2008-10-07  Cary Coutant  <ccoutant@google.com>
13912
13913         * options.c (General_options::finalize): Add check for -static and
13914         -shared.
13915         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
13916         is not empty.
13917
13918 2008-10-02  Cary Coutant  <ccoutant@google.com>
13919
13920         * plugin.cc (make_sized_plugin_object): Fix conditional
13921         compilation to work when not all targets are enabled.
13922
13923 2008-09-29  Cary Coutant  <ccoutant@google.com>
13924
13925         * archive.cc (Archive::get_file_and_offset): Use filename instead
13926         of name to get library path.
13927         (Archive::include_member): Unlock external member of a thin archive.
13928
13929         * testsuite/Makefile.am (TEST_AR): New variable.
13930         (thin_archive_test_1): New test.
13931         (thin_archive_test_2): New test.
13932         * testsuite/Makefile.in: Regenerate.
13933         * testsuite/thin_archive_main.cc: New file.
13934         * testsuite/thin_archive_test_1.cc: New file.
13935         * testsuite/thin_archive_test_2.cc: New file.
13936         * testsuite/thin_archive_test_3.cc: New file.
13937         * testsuite/thin_archive_test_4.cc: New file.
13938
13939 2008-09-29  Cary Coutant  <ccoutant@google.com>
13940
13941         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
13942         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
13943         instead of -1U.
13944         (Sized_relobj::do_finalize_local_symbols): Likewise.
13945         (Sized_relobj::map_to_kept_section): Likewise.
13946         * object.h (Sized_relobj::invalid_address): New constant.
13947         (Sized_relobj::do_output_section_offset): Check for invalid_address
13948         and return -1ULL.
13949         * output.cc (Output_reloc::local_section_offset): Use constant
13950         invalid_address instead of -1U.
13951         (Output_reloc::get_address): Likewise.
13952         (Output_section::output_address): Change -1U to -1ULL.
13953         * output.h (Output_reloc::invalid_address): New constant.
13954         * reloc.cc (Sized_relobj::write_sections): Use constant
13955         invalid_address instead of -1U.
13956         (Sized_relobj::relocate_sections): Likewise.
13957         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
13958         values for merge sections.
13959         * target-reloc.h (relocate_for_relocatable): Use constant
13960         invalid_address instead of -1U.
13961
13962 2008-09-19  Cary Coutant  <ccoutant@google.com>
13963
13964         Add plugin functionality for link-time optimization (LTO).
13965         * configure.ac (plugins): Add --enable-plugins option.
13966         * configure: Regenerate.
13967         * config.in: Regenerate.
13968         * Makefile.am (LIBDL): New variable.
13969         (CCFILES): Add plugin.cc.
13970         (HFILES): Add plugin.h.
13971         (ldadd_var): Add LIBDL.
13972         * Makefile.in: Regenerate.
13973
13974         * archive.cc: Include "plugin.h".
13975         (Archive::setup): Don't preread archive symbols when using a plugin.
13976         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
13977         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
13978         files.
13979         (Archive::include_member): Add symbols from plugin objects.
13980         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
13981         * descriptors.cc (Descriptors::open): Check for file descriptors
13982         abandoned by plugins.
13983         (Descriptors::claim_for_plugin): New function.
13984         * descriptors.h (Descriptors::claim_for_plugin): New function.
13985         (Open_descriptor::is_claimed): New field.
13986         (claim_descriptor_for_plugin): New function.
13987         * fileread.cc (File_read::claim_for_plugin): New function.
13988         * fileread.h (File_read::claim_for_plugin): New function.
13989         (File_read::descriptor): New function.
13990         * gold.cc: Include "plugin.h".
13991         (queue_initial_tasks): Add task to call plugin hooks for generating
13992         new object files.
13993         * main.cc: Include "plugin.h".
13994         (main): Load plugin libraries.
13995         * object.h (Pluginobj): Declare.
13996         (Object::pluginobj): New function.
13997         (Object::do_pluginobj): New function.
13998         (Object::set_target): New function.
13999         * options.cc: Include "plugin.h".
14000         (General_options::parse_plugin): New function.
14001         (General_options::General_options): Initialize plugins_ field.
14002         (General_options::add_plugin): New function.
14003         * options.h (Plugin_manager): Declare.
14004         (General_options): Add --plugin option.
14005         (General_options::has_plugins): New function.
14006         (General_options::plugins): New function.
14007         (General_options::add_plugin): New function.
14008         (General_options::plugins_): New field.
14009         * plugin.cc: New file.
14010         * plugin.h: New file.
14011         * readsyms.cc: Include "plugin.h".
14012         (Read_symbols::do_read_symbols): Check for archive before checking
14013         for ELF file.  Call plugin hooks to claim files.
14014         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
14015         from a real object file; force override when processing replacement
14016         files.
14017         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
14018         (Symbol::init_base_object): Likewise.
14019         (Symbol::init_base_output_data): Likewise.
14020         (Symbol::init_base_output_segment): Likewise.
14021         (Symbol::init_base_constant): Likewise.
14022         (Symbol::init_base_undefined): Likewise.
14023         (Symbol::output_section): Assert that object is not a plugin.
14024         (Symbol_table::add_from_pluginobj): New function.
14025         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
14026         undefined.
14027         (Symbol_table::sized_write_globals): Likewise.
14028         (Symbol_table::add_from_pluginobj): Instantiate template.
14029         * symtab.h (Sized_pluginobj): Declare.
14030         (Symbol::in_real_elf): New function.
14031         (Symbol::set_in_real_elf): New function.
14032         (Symbol::in_real_elf_): New field.
14033         (Symbol_table::add_from_pluginobj): New function.
14034
14035         * testsuite/Makefile.am (AM_CFLAGS): New variable.
14036         (LIBDL): New variable.
14037         (LDADD): Add LIBDL.
14038         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
14039         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
14040         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
14041         (MOSTLYCLEANFILES): Likewise.
14042         * testsuite/Makefile.in: Regenerate.
14043         * testsuite/plugin_test.c: New file.
14044         * testsuite/plugin_test_1.sh: New file.
14045         * testsuite/plugin_test_2.sh: New file.
14046
14047 2008-09-16  Ian Lance Taylor  <iant@google.com>
14048
14049         * target-reloc.h (relocate_section): Check whether a symbol is
14050         defined by the ABI before reporting an undefined symbol error.
14051         * target.h (Target::is_defined_by_abi): Make parameter const.
14052         (Target::do_is_defined_by_abi): Likewise.
14053         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
14054         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
14055         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
14056         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
14057         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
14058         * testsuite/Makefile.in: Rebuild.
14059
14060         * fileread.cc (make_view): Add casts to avoid warning.
14061
14062 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
14063
14064         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
14065         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
14066
14067 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
14068
14069         * options.h (General_options::output_is_executable): New.
14070         (General_options::output_is_pie): New.
14071         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
14072         for shared libraries.
14073         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
14074
14075 2008-09-11  Chris Demetriou  <cgd@google.com>
14076
14077         * options.h (origin): New -z option.
14078         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
14079         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
14080         in DT_FLAGS_1.
14081
14082 2008-09-05  Cary Coutant  <ccoutant@google.com>
14083
14084         * fileread.cc (File_read::make_view): Add check for attempt to map
14085         beyond end of file.
14086
14087 2008-09-05  Cary Coutant  <ccoutant@google.com>
14088
14089         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
14090         explicit instantiations.
14091
14092 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
14093
14094         PR gold/6858
14095         * options.cc (General_options::finalize): Allow undefined symbols
14096         in shlibs if linking -shared.
14097
14098         PR gold/6859
14099         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
14100         symbols as not needing a dynsym entry.
14101
14102 2008-08-20  Craig Silverstein  <csilvers@google.com>
14103
14104         * fileread.cc (File_read::open): Do not lock the file unless it
14105         was successfully opened.
14106
14107 2008-08-14  Cary Coutant  <ccoutant@google.com>
14108
14109         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
14110         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
14111         * testsuite/tls_test.cc (struct int128): 128-bit struct
14112         for testing TLS relocs with non-zero addend.
14113         (v12): New TLS variable.
14114         (t12): New test.
14115         (t_last): Add check for v12.
14116         * testsuite/tls_test.h (t12): New function.
14117         * testsuite/tls_test_main.cc (thread_routine): Call new test.
14118
14119 2008-08-13  Ian Lance Taylor  <iant@google.com>
14120
14121         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
14122         set tls_segment_ or relro_segment_.
14123         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
14124         when appropriate.
14125         * output.h (Output_section::clear_is_relro): New function.
14126         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
14127         sections specially even when output_data_ is empty.
14128         (Output_segment::maximum_alignment): When first section is relro,
14129         only force alignment for PT_LOAD segments.
14130         * script.cc (script_data_segment_align): New function.
14131         (script_data_segment_relro_end): New function.
14132         * script-c.h (script_data_segment_align): Declare.
14133         (script_data_segment_relro_end): Declare.
14134         * script-sections.h (class Script_sections): Declare
14135         data_segment_align and data_segment_relro_end.  Add fields
14136         segment_align_index_ and saw_relro_end_.
14137         * script-sections.cc (class Sections_element): Add set_is_relro
14138         virtual function.  Add new bool* parameter to place_orphan_here.
14139         Add get_output_section virtual function.
14140         (class Output_section_definition): Add set_is_relro.  Add new
14141         bool* parameter to place_orphan_here.  Add get_output_section.
14142         Add is_relro_ field.
14143         (Output_section_definition::Output_section_definition): Initialize
14144         evaluated_address_, evaluated_load_address, evaluated_addralign_,
14145         and is_relro_ fields.
14146         (Output_section_definition::place_orphan_here): Add is_relro
14147         parameter.
14148         (Output_section_definition::set_section_addresses): Set relro for
14149         output section.
14150         (Output_section_definition::alternate_constraint): Likewise.
14151         (class Orphan_output_section): Add new bool* parameter to
14152         place_orphan_here.  Add get_output_section.
14153         (Orphan_output_section::place_orphan_here): Add is_relro
14154         parameter.
14155         (Script_sections::Script_sections): Initialize
14156         data_segment_align_index_ and saw_relro_end_.
14157         (Script_sections::data_segment_align): New function.
14158         (Script_sections::data_segment_relro_end): New function.
14159         (Script_sections::place_orphan): Set or clear is_relro.
14160         (Script_sections::set_section_addresses): Force alignment of first
14161         TLS section.
14162         * yyscript.y (exp): Call script_data_segment_align and
14163         script_data_segment_relro_end.
14164         * testsuite/relro_script_test.t: New file.
14165         * testsuite/relro_test.cc (using_script): Declare.
14166         (t1, t2): Test using_script.
14167         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
14168         (relro_script_test_SOURCES): Define.
14169         (relro_script_test_DEPENDENCIES): Define.
14170         (relro_script_test_LDFLAGS): Define.
14171         (relro_script_test_LDADD): Define.
14172         (relro_script_test.so): New target.
14173         * testsuite/Makefile.in: Rebuild.
14174
14175 2008-08-06  Cary Coutant <ccoutant@google.com>
14176
14177         * archive.cc (Archive::total_archives, Archive::total_members)
14178         (Archive::total_members_loaded): New variables.
14179         (Archive::setup): Add parameter.  Add option to preread
14180         archive symbols.
14181         (Archive::read_armap): Add counter.
14182         (Archive::get_file_and_offset): New function.
14183         (Archive::get_elf_object_for_member): New function.
14184         (Archive::read_all_symbols): New function.
14185         (Archive::read_symbols): New function.
14186         (Archive::add_symbols): Add counters.
14187         (Archive::include_all_members): Use armap to find members if it's
14188         already built.
14189         (Archive::include_member): Skip reading symbols if already read.
14190         Factored code into Archive::get_file_and_offset and
14191         Archive::get_elf_object_for_member.  Changed call to
14192         Mapfile::report_include_archive_member.
14193         (Archive::print_stats): New function.
14194         * archive.h: Declare Object and Read_symbols_data classes.
14195         (Archive::Archive): Add initializers for new members.
14196         (Archive::setup): Add parameter.
14197         (Archive::print_stats): New function.
14198         (Archive::total_archives, Archive::total_members)
14199         (Archive::total_members_loaded): New variables.
14200         (Archive::get_file_and_offset): New function.
14201         (Archive::get_elf_object_for_member): New function.
14202         (Archive::read_all_symbols): New function.
14203         (Archive::read_symbols): New function.
14204         (Archive::Archive_member): New class.
14205         (Archive::members_): New member.
14206         (Archive::num_members_): New member.
14207         * main.cc: Include archive.h.
14208         (main): Call Archive::print_stats.
14209         * mapfile.cc (Mapfile::report_include_archive_member): Delete
14210         archive parameter; member_name is now the fully-decorated name.
14211         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
14212         * options.h: (General_options): Add --preread-archive-symbols option.
14213         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
14214         Archive::setup.
14215
14216 2008-08-04  Ian Lance Taylor  <iant@google.com>
14217
14218         * symtab.h (Symbol::use_plt_offset): New function.
14219         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
14220         * powerpc.cc (Relocate::relocate): Likewise.
14221         * sparc.cc (Relocate::relocate): Likewise.
14222         * x86_64.cc (Relocate::relocate): Likewise.
14223         * testsuite/weak_plt.sh: New test.
14224         * testsuite/weak_plt_main.cc: New test.
14225         * testsuite/weak_plt_shared.cc: New test.
14226         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
14227         (check_PROGRAMS): Add weak_plt.
14228         (check_DATA): Add weak_plt_shared.so.
14229         (weak_plt_main_pic.o, weak_plt): New targets.
14230         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
14231         * testsuite/Makefile.in: Rebuild.
14232
14233         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
14234         gcctestdir/ld.
14235         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
14236         * testsuite/Makefile.in: Rebuild.
14237
14238 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
14239
14240         * Makefile.am (POTFILES.in): Set LC_ALL=C.
14241         * Makefile.in: Regenerate.
14242         * po/POTFILES.in: Regenerate.
14243
14244 2008-07-29  Ian Lance Taylor  <iant@google.com>
14245
14246         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
14247         symbols before other symbols.
14248         * testsuite/script_test_2.cc (test_addr): Declare.
14249         (test_addr_alias): Declare.
14250         (main): Check that test_addr and test_addr_alias have the right
14251         values.
14252         * testsuite/script_test_2.t: Define test_addr_alias and
14253         test_addr.
14254
14255 2008-07-24  Ian Lance Taylor  <iant@google.com>
14256
14257         PR 5990
14258         * descriptors.cc: New file.
14259         * descriptors.h: New file.
14260         * gold-threads.h (class Hold_optional_lock): New class.
14261         * fileread.cc: Include "descriptors.h".
14262         (File_read::~File_read): Release descriptor rather than closing
14263         it.
14264         (File_read::open) [file]: Call open_descriptor rather than open.
14265         Set is_descriptor_opened_.
14266         (File_read::open) [memory]: Assert that descriptor is not open.
14267         (File_read::reopen_descriptor): New function.
14268         (File_read::release): Release descriptor.
14269         (File_read::do_read): Make non-const.  Reopen descriptor.
14270         (File_read::read): Make non-const.
14271         (File_read::make_view): Reopen descriptor.
14272         (File_read::do_readv): Likewise.
14273         * fileread.h (class File_read): Add is_descriptor_opened_ field.
14274         Update declarations.
14275         * layout.cc: Include "descriptors.h".
14276         (Layout::create_build_id): Use open_descriptor rather than open.
14277         * output.cc: Include "descriptors.h".
14278         (Output_file::open): Use open_descriptor rather than open.
14279         * archive.cc (Archive::const_iterator): Change Archive to be
14280         non-const.
14281         (Archive::begin, Archive::end): Make non-const.
14282         (Archive::count_members): Likewise.
14283         * archive.h (class Archive): Update declarations.
14284         * object.h (Object::read): Make non-const.
14285         * Makefile.am (CCFILES): Add descriptors.cc.
14286         (HFILES): Add descriptors.h.
14287         * Makefile.in: Rebuild.
14288
14289         PR 6716
14290         * gold.h: Always include <clocale>.  Add Solaris workarounds
14291         following code in binutils/sysdep.h.
14292
14293         PR 6048
14294         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
14295         this->eh_frame_hdr_ is NULL before using it.
14296
14297         * dynobj.cc (Versions::Versions): Update comment.
14298
14299         * dynobj.cc (Versions::Versions): If there is an soname, use it as
14300         the base version name.
14301
14302         * stringpool.cc (Stringpool_template::add_with_length): Set key to
14303         array size plus one.
14304         (Stringpool_template::set_string_offsets): Subtract one from key
14305         before using it as an array index.
14306         (Stringpool_template::get_offset_with_length): Likewise.
14307         (Stringpool_template::write_to_buffer): Likewise.
14308         * stringpool.h (Stringpool_template::get_offset_from_key):
14309         Likewise.
14310
14311 2008-07-23  Ian Lance Taylor  <iant@google.com>
14312
14313         PR 6658
14314         * object.h (Merged_symbol_value::value): Do our best to handle a
14315         negative addend.
14316
14317         PR 6647
14318         * script.cc (Version_script_info::get_versions): Don't add empty
14319         version tag to return value.
14320         (Version_script_info::get_symbol_version_helper): Change return
14321         type to bool.  Add pversion parameter.  Change all callers.
14322         (script_register_vers_node): Don't require a non-NULL tag.
14323         * script.h (class Version_script_info): Update declarations.
14324         (Version_script_info::get_symbol_version): Change return type to
14325         bool.  Add version parameter.  Change all callers.
14326         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
14327         handling.  Handle an empty version from a version script.
14328         (Symbol_table::define_special_symbol): Likewise.
14329         * testsuite/ver_test_10.script: New file.
14330         * testsuite/ver_test_10.sh: New file.
14331         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
14332         (check_DATA): Add ver_test_10.syms.
14333         (ver_test_10.syms, ver_test_10.so): New target.
14334         * testsuite/Makefile.in: Rebuild.
14335
14336 2008-07-23  Simon Baldwin  <simonb@google.com>
14337
14338         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
14339         to zero for undefined symbols from dynamic libraries.
14340
14341 2008-07-23  Ian Lance Taylor  <iant@google.com>
14342
14343         * symtab.cc (Symbol_table::resolve): Remove version parameter.
14344         Change all callers.
14345         * symtab.h (class Symbol_table): Update declaration.
14346         * testsuite/ver_test_9.cc: New file.
14347         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
14348         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
14349         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
14350         (ver_test_9.so, ver_test_9.o): New targets.
14351         * testsuite/Makefile.in: Rebuild.
14352
14353 2008-07-22  Ian Lance Taylor  <iant@google.com>
14354
14355         * options.h (class General_options): Define --check-sections.
14356         * layout.cc (Layout::set_segment_offsets): Handle
14357         --check-sections.
14358
14359         * options.h (class General_options): Define -n/--nmagic and
14360         -N/--omagic.
14361         * options.cc (General_options::finalize): For -n/--nmagic or
14362         -N/--omagic, set -static.
14363         * layout.cc (Layout::attach_allocated_section_to_segment): If
14364         -N/--omagic, don't put read-only and read-write sections in
14365         different segments.
14366         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
14367         finding a read-only segment.
14368         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
14369         don't set the minimum segment alignment to the common page size,
14370         and don't set the file offset to the address modulo the page size.
14371         * script-sections.cc (Script_sections::create_segments): If
14372         -n/--omagic, don't put read-only and read-write sections in
14373         different segments.
14374
14375         * cref.cc: New file.
14376         * cref.h: New file.
14377         * options.h (class General_options): Add --print-symbol-counts.
14378         * main.cc (main): Issue defined symbol report if requested.
14379         * archive.cc (Archive::interpret_header): Make into a const member
14380         function.
14381         (Archive::add_symbols): Call Input_objects::archive_start and
14382         archive_stop.
14383         (Archive::const_iterator): Define new class.
14384         (Archive::begin, Archive::end): New functions.
14385         (Archive::include_all_members): Rewrite to use iterator.
14386         (Archive::count_members): New function.
14387         * archive.h (class Archive): Update declarations.
14388         (Archive::filename): New function.
14389         * object.cc: Include "cref.h".
14390         (Sized_relobj::Sized_relobj): Initialize defined_count_.
14391         (Sized_relobj::do_get_global_symbol_counts): New function.
14392         (Input_objects::add_object): Add object to cross-referencer.
14393         (Input_objects::archive_start): New function.
14394         (Input_objects::archive_stop): New function.
14395         (Input_objects::print_symbol_counts): New function.
14396         * object.h: Declare Cref and Archive.
14397         (Object::get_global_symbol_counts): New function.
14398         (Object::do_get_global_symbol_counts): New pure virtual function.
14399         (class Sized_relobj): Add defined_count_ field.  Update
14400         declarations.
14401         (class Input_objects): Add cref_ field.  Update constructor.
14402         Update declarations.
14403         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
14404         defined_count_.
14405         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
14406         symbol counts.
14407         (Sized_dynobj::do_get_global_symbol_counts): New function.
14408         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
14409         defined_count_.  Update declarations.  Define Symbols typedef.
14410         * symtab.cc (Symbol_table::add_from_relobj): Add defined
14411         parameter.  Change all callers.
14412         (Symbol_table::add_from_dynobj): Add sympointers and defined
14413         parameters.  Change all callers.
14414         * symtab.h (class Symbol_table): Update declarations.
14415         * Makefile.am (CCFILES): Add cref.cc.
14416         (HFILES): Add cref.h.
14417         * Makefile.in: Rebuild.
14418
14419 2008-07-22  Simon Baldwin  <simonb@google.com>
14420
14421         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
14422         to zero when writing undefined symbols.
14423
14424 2008-07-22  Ian Lance Taylor  <iant@google.com>
14425
14426         * output.cc (Output_section::add_input_section): Don't try to
14427         merge empty merge sections.
14428
14429 2008-07-21  Craig Silverstein  <csilvers@google.com>
14430
14431         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
14432         Include symbol version in error message.
14433
14434 2008-07-20  Chris Demetriou  <cgd@google.com>
14435
14436         * configure.ac (gold_cv_c_random_seed): New configured variable.
14437         (RANDOM_SEED_CFLAGS): New substituted variable.
14438         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
14439         * configure: Rebuild.
14440         * Makefile.in: Likewise.
14441         * testsuite/Makefile.in: Likewise.
14442
14443 2008-07-18  Ian Lance Taylor  <iant@google.com>
14444
14445         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
14446         where we see NAME/NULL and NAME/VERSION  as separate symbols.
14447         * testsuite/ver_test_main.cc (main): Call t4.
14448         (t4, t4_2a): Define.
14449         * testsuite/ver_test_2.cc (t4_2): Define.
14450         * testsuite/ver_test_2.script: Put t4_2a in VER2.
14451         * testsuite/ver_test_4.cc (t4_2a): Define.
14452         * testsuite/ver_test_4.script: Put t4_2a in VER2.
14453         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
14454
14455 2008-07-17  Ian Lance Taylor  <iant@google.com>
14456
14457         * dynobj.cc (Versions::add_def): If we give an error about a
14458         missing version, go ahead and create the version anyhow.
14459
14460 2008-07-10  Ian Lance Taylor  <iant@google.com>
14461
14462         Handle output sections with more than 0x7fffffff bytes.
14463         * object.h (class Relobj): Change map_to_output_ to
14464         output_sections_, and just keep a section pointer.  Change all
14465         uses.  Move comdat group support to Sized_relobj.
14466         (Relobj::is_section_specially_mapped): Remove.
14467         (Relobj::output_section): Remove poff parameter.  Change all
14468         callers.
14469         (Relobj::output_section_offset): New function.
14470         (Relobj::set_section_offset): Rewrite.
14471         (Relobj::map_to_output): Remove.
14472         (Relobj::output_sections): New function.
14473         (Relobj::do_output_section_offset): New pure virtual function.
14474         (Relobj::do_set_section_offset): Likewise.
14475         (class Sized_relobj): Add section_offsets_ field.  Add comdat
14476         group support from Relobj.  Update declarations.
14477         (Sized_relobj::get_output_section_offset): New function.
14478         (Sized_relobj::do_output_section_offset): New function.
14479         (Sized_relobj::do_set_section_offset): New function.
14480         * object.cc (Relobj::output_section_address): Remove.
14481         (Sized_relobj::Sized_relobj): Initialize new fields.
14482         (Sized_relobj::include_section_group): Cast find_kept_object to
14483         Sized_relobj.
14484         (Sized_relobj::include_linkonce_section): Likewise.
14485         (Sized_relobj::do_layout): Use separate arrays for output section
14486         and output offset.
14487         (Sized_relobj::do_count_local_symbols): Change map_to_output to
14488         output_sections.
14489         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
14490         output_sections and section_offsets.
14491         (Sized_relobj::write_local_symbols): Likewise.
14492         (map_to_kept_section): Compute output address directly.
14493         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
14494         output_sections and section_offsets.
14495         (Sized_relobj::write_sections): Likewise.
14496         (Sized_relobj::relocate_sections): Likewise.
14497         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
14498         * output.h (class Output_reloc): Update declarations.  Change
14499         u2_.relobj to Sized_relobj*.
14500         (class Output_data_reloc): Change add functions to use
14501         Sized_relobj*.
14502         * output.cc (Output_reloc::Output_reloc): Change relobj to
14503         Sized_relobj*.
14504         (Output_reloc::local_section_offset): Change return type to
14505         Elf_Addr.  Use get_output_section_offset.
14506         (Output_reloc::get_address): Likewise.
14507         (Output_section::is_input_address_mapped): Don't call
14508         is_section_specially_mapped.
14509         (Output_section::output_offset): Likewise.
14510         (Output_section::output_address): Likewise.
14511         (Output_section::starting_output_address): Likewise.
14512         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
14513         parameter to Sized_relobj*.
14514         (Copy_relocs::need_copy_reloc): Likewise.
14515         (Copy_relocs::save): Likewise.
14516         * copy-relocs.h (class Copy_relocs): Update declarations.
14517         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
14518         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
14519         * target-reloc.h (relocate_for_relocatable): Change
14520         offset_in_output_section type to Elf_Addr.  Change code that uses
14521         it as well.
14522         * layout.cc (Layout::layout): Always set *off.
14523         * mapfile.cc (Mapfile::print_input_section): Use
14524         output_section_offset.
14525         * i386.cc (Target_i386::copy_reloc): Change object parameter to
14526         Sized_relobj*.
14527         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
14528         * sparc.cc (Target_sparc::copy_reloc): Likewise.
14529         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
14530
14531 2008-07-03  Ian Lance Taylor  <iant@google.com>
14532
14533         * layout.cc (Layout::include_section): Do not discard unrecognized
14534         SHT_STRTAB sections.
14535
14536 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
14537
14538         * script.cc (Lex::can_continue_name): Make '?' allowable in
14539         version-script names.
14540         * testsuite/version_script.map: Change glob pattern to use '?'
14541
14542 2008-06-30  Manish Singh  <yosh@gimp.org>
14543
14544         PR 6585
14545         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
14546         Correct typo.
14547
14548 2008-06-30  Ian Lance Taylor  <iant@google.com>
14549
14550         PR 6660
14551         PR 6682
14552         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
14553         versions]: Don't try to read the value in the contents, since we
14554         don't use it.  Use the template endianness when writing.
14555
14556 2008-06-25  Cary Coutant  <ccoutant@google.com>
14557
14558         * fileread.cc (File_read::make_view): Assert on zero-length view.
14559         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
14560         symbol table when there are no symbols to read.
14561
14562 2008-06-23  Craig Silverstein  <csilvers@google.com>
14563
14564         * version.cc (version_string): Bump to 1.7
14565
14566 2008-06-18  Craig Silverstein  <csilvers@google.com>
14567
14568         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
14569         constant 0xFFFF to type Valtype.
14570         (Powerpc_relocate_functions::rel16_ha): Likewise.
14571
14572 2008-06-17  Ian Lance Taylor  <iant@google.com>
14573
14574         * output.h (Output_section::Input_section): Initialize p2align_ to
14575         zero for Output_section_data constructors.
14576         (Output_section::Input_section::addralign): If not an input
14577         section, return the alignment of the Output_section_data.
14578         * testsuite/copy_test.cc: New file.
14579         * testsuite/copy_test_1.cc: New file.
14580         * testsuite/copy_test_2.cc: New file.
14581         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
14582         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
14583         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
14584         (copy_test_1_pic.o, copy_test_1.so): New targets.
14585         (copy_test_2_pic.o, copy_test_2.so): New targets.
14586         * testsuite/Makefile.in: Rebuild.
14587
14588         * script-sections.cc (Script_sections::place_orphan): Initialize
14589         local variable exact.
14590
14591 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
14592
14593         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
14594
14595 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
14596             David S. Miller  <davem@davemloft.net>
14597
14598         * powerpc.cc: New file.
14599         * Makefile.am (TARGETSOURCES): Add powerpc.cc
14600         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
14601         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
14602         * Makefile.in: Rebuild.
14603
14604 2008-06-09  Ian Lance Taylor  <iant@google.com>
14605
14606         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
14607         <exception>.
14608         (throwing, orig_terminate): New static variables.
14609         (terminate_handler): New static function.
14610         (t2): Set terminate handler.
14611
14612 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
14613
14614         PR 6584
14615         * binary.cc (Binary_to_elf::sized_convert): Fix .data
14616         alignment.
14617
14618 2008-05-30  Cary Coutant  <ccoutant@google.com>
14619
14620         * archive.cc (Archive::include_all_members) Correct to step
14621         over symbol table and extended name table in thin archives.
14622
14623 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
14624
14625         PR 6407
14626         * target-reloc.h (relocate_for_relocatable): Fix new_offset
14627         calculation.
14628
14629 2008-05-28  Caleb Howe  <cshowe@google.com>
14630
14631         * reduced_debug_output.cc: New file.
14632         * reduced_debug_output.h: New file.
14633         * options.h (class General_options): Add --strip-debug-non-line.
14634         * options.cc (General_options::finalize): Add strip_debug_non_line
14635         to the strip heirarchy.
14636         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
14637         fields.
14638         * layout.cc: Include "reduced_debug_output.h".
14639         (Layout::Layout): Initialize new fields.
14640         (line_only_debug_sections): New static array.
14641         (is_lines_only_debug_sections): New static inline function.
14642         (Layout::include_section): Handle --strip-debug-non-line.
14643         (Layout::make_output_section): If --strip-debug-non-line, build
14644         new output sections for .debug_abbrev and .debug_info.
14645         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
14646         gold.  Warn about possible overflow.
14647         (read_signed_LEB_128): Likewise.
14648         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
14649         (read_signed_LEB_128): Declare.
14650         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
14651         (HFILES): Add reduced_debug_output.h.
14652         * Makefile.in: Rebuild.
14653
14654 2008-05-21  Ian Lance Taylor  <iant@google.com>
14655
14656         * mapfile.cc: New file.
14657         * mapfile.h: New file.
14658         * options.h (class General_options): Add -M/--print-map and -Map.
14659         * options.cc (General_options::finalize): Make -M equivalent to
14660         -Map -.
14661         * main.cc: Include <cstdio> and "mapfile.h".
14662         (main): Open mapfile if requested.
14663         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
14664         constructor.  Change caller.
14665         (queue_initial_tasks): Add mapfile parameter.  Change caller.
14666         (queue_middle_tasks): Likewise.
14667         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
14668         declarations.
14669         * archive.cc: Include "mapfile.h".
14670         (Archive::add_symbols): Add mapfile parameter.  Change all
14671         callers.  Pass mapfile, symbol, and reason to include_member.
14672         (Archive::include_all_members): Add mapfile parameter.  Change all
14673         callers.
14674         (Archive::include_member): Add mapfile, sym, and why parameters.
14675         Change all callers.  Report inclusion to map file.
14676         * archive.h: Include "fileread.h".
14677         (class Archive): Update declarations.
14678         (Archive::file): New const method.
14679         (class Add_archive_symbols): Add mapfile_ field.  Update
14680         constructor.  Change all callers.
14681         * readsyms.h (class Read_symbols): Likewise.
14682         (class Finish_group): Likewise.
14683         (class Read_script): Likewise.
14684         * common.cc: Include "mapfile.h".
14685         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
14686         all callers.
14687         (Symbol_table::do_allocate_commons): Likewise.
14688         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
14689         symbol allocation to mapfile.
14690         * common.h (class Allocate_commons_task): Add mapfile_ field.
14691         Update constructor.  Change all callers.
14692         * symtab.h (class Symbol_table): Update declarations.
14693         * layout.cc: Include "mapfile.h".
14694         (Layout_task_runner::run): Print information to mapfile.
14695         (Layout::create_gold_note): Change Output_data_fixed_space to
14696         Output_data_zero_fill.
14697         (Layout::create_build_id): Likewise.
14698         (Layout::print_to_mapfile): New function.
14699         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
14700         constructor.  Change caller.
14701         (class Layout): Declare print_to_mapfile.
14702         * output.cc (Output_section::Input_section::print_to_mapfile): New
14703         function.
14704         (Output_section::add_input_section): If producing a map, always
14705         add to input_sections_ list.
14706         (Output_section::do_print_to_mapfile): New function.
14707         (Output_segment::print_sections_to_mapfile): New function.
14708         (Output_segment::print_section_list_to_mapfile): New function.
14709         * output.h: Include "mapfile.h".
14710         (Output_data::print_to_mapfile): New function.
14711         (Output_data::do_print_to_mapfile): New virtual function.
14712         (Output_segment_headers::do_print_to_mapfile): New function.
14713         (Output_file_header::do_print_to_mapfile): New function.
14714         (Output_data_const::do_print_to_mapfile): New function.
14715         (class Output_data_const_buffer): Add map_name_ field.  Update
14716         constructor.  Change all callers.  Add do_print_to_mapfile
14717         function.
14718         (class Output_data_fixed_space): Likewise.
14719         (class Output_data_space): Likewise.
14720         (class Output_data_zero_fill): New class.
14721         (Output_data_strtab::do_print_to_mapfile): New function.
14722         (Output_data_reloc_base::do_print_to_mapfile): New function.
14723         (Output_relocatable_relocs::do_print_to_mapfile): New function.
14724         (Output_data_group::do_print_to_mapfile): New function.
14725         (Output_data_got::do_print_to_mapfile): New function.
14726         (Output_data_dynamic::do_print_to_mapfile): New function.
14727         (Output_symtab_xindex::do_print_to_mapfile): New function.
14728         (class Output_section): Declare do_print_to_mapflie.  Declare
14729         print_to_mapfile in Input_section.
14730         (class Output_segment): Declare new functions.
14731         * object.h (Sized_relobj::symbol_count): New function.
14732         * script-sections.cc
14733         (Output_section_element_dot_assignment::set_section_addresses):
14734         Change Output_data_fixed_space to Output_data_zero_fill.
14735         (Output_data_expression::do_print_to_mapfile): New function.
14736         * script.cc (read_input_script): Add mapfile parameter.  Change
14737         all callers.
14738         * script.h (read_input_script): Update declaration.
14739         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
14740         (Eh_frame::do_print_to_mapfile): New function.
14741         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
14742         (Output_merge_string::do_print_to_mapfile): New function.
14743         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
14744         function.
14745         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
14746         function.
14747         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
14748         function.
14749         * Makefile.am (CCFILES): Add mapfile.cc.
14750         (HFILES): Add mapfile.h.
14751         * Makefile.in: Rebuild.
14752
14753 2008-05-19  Ian Lance Taylor  <iant@google.com>
14754
14755         * options.h (class General_options): Add -z relro.
14756         * layout.cc (Layout::Layout): Initialize relro_segment_.
14757         (Layout::add_output_section_data): Return the output section.
14758         (Layout::make_output_section): Rcognize relro sections and mark
14759         them appropriately.
14760         (Layout::attach_allocated_section_to_segment): Put relro sections
14761         in a PT_GNU_RELRO segment.
14762         (Layout::create_initial_dynamic_sections): Mark the .dynamic
14763         section as relro.
14764         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
14765         PT_TLS segments.
14766         (Layout::linkonce_mapping): Map d.rel.ro.local to
14767         .data.rel.ro.local.
14768         (Layout::output_section_name): Us .data.rel.ro.local for any
14769         section which begins with that.
14770         * layout.h (class Layout): Update add_output_section_data
14771         declaration.  Add relro_segment_ field.
14772         * output.cc (Output_section::Output_section): Initialize is_relro_
14773         and is_relro_local_ fields.
14774         (Output_segment::add_output_section): Group relro sections.
14775         (Output_segment::is_first_section_relro): New function.
14776         (Output_segment::maximum_alignment): If there is a relro section,
14777         align the segment to the common page size.
14778         (Output_segment::set_section_addresses): Track whether we are
14779         looking at relro sections.  If the last section is a relro
14780         section, align to the common page size.
14781         (Output_segment::set_section_list_addresses): Add in_relro
14782         parameter.  Change all callers.  Align to the page size when
14783         moving from relro to non-relro section.
14784         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
14785         segment.
14786         * output.h (class Output_section): Add is_relro_ and
14787         is_relro_local_ fields.
14788         (Output_section::is_relro): New function.
14789         (Output_section::set_is_relro): New function.
14790         (Output_section::is_relro_local): New function.
14791         (Output_section::set_is_relro_local): New function.
14792         (class Output_segment): Update declarations.
14793         * i386.cc (Target_i386::got_section): Mark .got section as relro.
14794         * sparc.cc (Target_sparc::got_section): Likewise.
14795         * x86_64.cc (Target_x86_64::got_section): Likewise.
14796         * testsuite/relro_test_main.cc: New file.
14797         * testsuite/relro_test.cc: New file.
14798         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
14799         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
14800         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
14801         (relro_test.so, relro_test_pic.o): New targets.
14802         * testsuite/Makefile.in: Rebuild.
14803
14804 2008-05-16  Ian Lance Taylor  <iant@google.com>
14805
14806         * output.cc (Output_segment::add_output_section): Remove front
14807         parameter.
14808         * output.h (class Output_segment): Remove
14809         add_initial_output_section and overloaded add_output_section.
14810         Update declaration of remaining add_output_section.
14811         * layout.cc (Layout::create_interp): Call add_output_section
14812         rather than add_initial_output_section.
14813         (Layout::finish_dynamic_section): Likewise.
14814
14815         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
14816         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
14817         know the dynamic type.
14818         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
14819         field.  Initialize it in constructor.
14820         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
14821         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
14822         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
14823         reloc.
14824
14825         * output.cc (Output_reloc::get_address): Change return type to
14826         Elf_Addr.
14827         * output.h (class Output_reloc): Update get_address declaration.
14828         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
14829         for section addresses.
14830
14831 2008-05-09  Ian Lance Taylor  <iant@google.com>
14832
14833         PR 6493
14834         * gold.cc (gold_nomem): Use return value of write.
14835
14836 2008-05-08  Ian Lance Taylor  <iant@google.com>
14837
14838         * symtab.c (Symbol::init_base_output_data): Add version
14839         parameter.  Change all callers.
14840         (Symbol::init_base_output_segment): Likewise.
14841         (Symbol::init_base_constant): Likewise.
14842         (Symbol::init_base_undefined): Likewise.
14843         (Sized_symbol::init_output_data): Likewise.
14844         (Sized_symbol::init_output_segment): Likewise.
14845         (Sized_symbol::init_constant): Likewise.
14846         (Sized_symbol::init_undefined): Likewise.
14847         (Symbol_table::do_define_in_output_data): If the new symbol has a
14848         version, mark it as the default.
14849         (Symbol_table::do_define_in_output_segment): Likewise.
14850         (Symbol_table::do_define_as_constant): Likewise.
14851         * symtab.h (class Symbol): Update declarations.
14852         (class Sized_symbol): Likewise.
14853         * resolve.cc (Symbol::override_version): New function.
14854         (Symbol::override_base): Call override_version.
14855         (Symbol::override_base_with_special): Likewise.
14856         * testsuite/ver_script_8.script: New file.
14857         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
14858         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
14859         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
14860         (ver_test_8_1.so, ver_test_8_2.so): New targets.
14861
14862 2008-05-06  Ian Lance Taylor  <iant@google.com>
14863
14864         PR 6049
14865         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
14866         functions.
14867         (class General_options): Remove existing --undefined, and add
14868         --no-undefined instead.  Add new --undefined as synonym for -u.
14869         * archive.cc (Archive::add_symbols): Check whether symbol was
14870         named with -u.
14871         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
14872         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
14873         all uses.  Add IS_UNDEFINED.  Update declarations to split
14874         different versions of init_base.  Declare init_base_undefined.
14875         (Symbol::is_defined): Handle IS_UNDEFINED.
14876         (Symbol::is_undefined): Likewise.
14877         (Symbol::is_weak_undefined): Call is_undefined.
14878         (Symbol::is_absolute): Handle IS_CONSTANT.
14879         (class Sized_symbol): Update declarations to split different
14880         versions of init.  Declare init_undefined.
14881         (class Symbol_table): Declare new functions.
14882         * symtab.cc (Symbol::init_base_object): Rename from init_base.
14883         Change all callers.
14884         (Symbol::init_base_output_data): Likewise.
14885         (Symbol::init_base_output_segment): Likewise.
14886         (Symbol::init_base_constant): Likewise.
14887         (Symbol::init_base_undefined): New function.
14888         (Sized_symbol::init_object): Rename from init.  Change all
14889         callers.
14890         (Sized_symbol::init_output_data): Likewise.
14891         (Sized_symbol::init_output_segment): Likewise.
14892         (Sized_symbol::init_constant): Likewise.
14893         (Sized_symbol::init_undefined): New function.
14894         (Symbol_table::add_undefined_symbols_from_command_line): New
14895         function.
14896         (Symbol_table::do_add_undefined_symbols_from_command_line): New
14897         function.
14898         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
14899         (Symbol::output_section): Likewise.
14900         (Symbol::set_output_section): Likewise.
14901         (Symbol_table::sized_finalize_symbol): Likewise.
14902         (Symbol_table::sized_write_globals): Likewise.
14903         * resolve.cc (Symbol_table::should_override): Likewise.
14904         (Symbol::override_base_with_special): Likewise.
14905
14906         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
14907         symbol, change it to have default visibility.
14908         * testsuite/protected_1.cc: New file.
14909         * testsuite/protected_2.cc: New file.
14910         * testsuite/protected_3.cc: New file.
14911         * testsuite/protected_main_1.cc: New file.
14912         * testsuite/protected_main_2.cc: New file.
14913         * testsuite/protected_main_3.cc: New file.
14914         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
14915         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
14916         (protected_1_LDFLAGS, protected_1_LDADD): Define.
14917         (protected_1.so): New target.
14918         (protected_1_pic.o, protected_2_pic.o): New targets.
14919         (protected_3_pic.o): New target.
14920         (check_PROGRAMS): Add protected_2.
14921         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
14922         (protected_2_LDFLAGS, protected_2_LDADD): Define.
14923         * testsuite/Makefile.in: Rebuild.
14924
14925         * options.h (DEFINE_var): Add set_user_set_##varname__.
14926         (DEFINE_bool_alias): New macro.
14927         (class General_options): Define -Bstatic using DEFINE_bool_alias
14928         rather than DEFINE_special.  Add --undefined as an alias for -z
14929         defs.
14930         * options.cc (General_options::parse_Bstatic): Remove.
14931
14932         * options.h (class General_options): Add --fatal-warnings.
14933         * main.cc (main): Implement --fatal-warnings.
14934         * errors.h (Errors::warning_count): New function.
14935
14936         * options.h (class General_options): Add -Bsymbolic-functions.
14937         * symtab.h (Symbol::is_preemptible): Check for
14938         -Bsymbolic-functions.
14939
14940 2008-05-05  Ian Lance Taylor  <iant@google.com>
14941
14942         * options.h (DEFINE_bool): For DASH_Z, create the negative option
14943         as noVARNAME rather than no-VARNAME.
14944         (class General_options): Add option -z combreloc.
14945         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
14946         get_address.
14947         (Output_reloc::sort_before) [SHT_REL]: New function.
14948         (Output_reloc::sort_before) [SHT_RELA]: New function.
14949         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
14950         Sort_relocs_comparison.
14951         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
14952         parameter.  Change all callers.
14953         (Output_data_reloc::Output_data_reloc) [both versions]: Add
14954         sort_relocs parameter.  Change all callers.
14955         * output.cc (Output_reloc::get_address): New function, broken out
14956         of write_rel.
14957         (Output_reloc::write_rel): Call it.
14958         (Output_reloc::compare): New function.
14959         (Output_data_reloc_base::do_write): Optionally sort relocs.
14960
14961         * configure.ac: If targ_extra_obj is set, link it in.
14962         * configure.tgt: Initialize all variables.
14963         (x86_64*): Set targ_extra_obj and targ_extra_size.
14964         * configure: Rebuild.
14965
14966         * object.cc (Sized_relobj::include_section_group): Adjust section
14967         indexes read from group data.  Build vector to pass to
14968         layout_group.
14969         * layout.cc (Layout::layout_group): Add flags and shndxes
14970         parameters.  Remove contents parameter.  Change caller.  Update
14971         explicit instantiations.
14972         * layout.h (class Layout): Update layout_group declaration.
14973         * output.cc (Output_data_group::Output_data_group): Add flags and
14974         input_shndxes parameters.  Remove contents parameter.  Change
14975         caller.
14976         (Output_data_group::do_write): Change input_sections_ to
14977         input_shndxes_.
14978         * output.h (class Output_data_group): Update constructor
14979         declaration.  Rename input_sections_ to input_shndxes_.
14980         * testsuite/many_sections_test.cc: Add template.
14981
14982 2008-04-30  Cary Coutant  <ccoutant@google.com>
14983
14984         * target-reloc.h (relocate_section): Fix dead-pointer bug.
14985
14986         * layout.cc (Layout::include_section): Refactored check for debug
14987         info section.
14988         (Layout::add_comdat): Add new parameters.  Change type
14989         of signature parameter.  Add object and shndx to signatures table.
14990         (Layout::find_kept_object): New function.
14991         * layout.h: Include <cstring>.
14992         (Layout::is_debug_info_section): New function.
14993         (Layout::add_comdat): Add new parameters.
14994         (Layout::find_kept_object): New function.
14995         (Layout::Kept_section): New struct.
14996         (Layout::Signatures): Change type of map range.
14997         * object.cc (Relobj::output_section_address): New function.
14998         (Sized_relobj::include_section_group): Add new parameters.  Change
14999         calls to Layout::add_comdat.  Change to build table of kept comdat
15000         groups and table mapping discarded sections to kept sections.
15001         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
15002         (Sized_relobj::do_layout): Change calls to include_section_group and
15003         include_linkonce_section.
15004         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
15005         value to zero when section is discarded.
15006         (Sized_relobj::map_to_kept_section): New function.
15007         * object.h (Relobj::output_section_address): New function.
15008         (Relobj::Comdat_group): New type.
15009         (Relobj::find_comdat_group): New function.
15010         (Relobj::Comdat_group_table): New type.
15011         (Relobj::Kept_comdat_section): New type.
15012         (Relobj::Kept_comdat_section_table): New type.
15013         (Relobj::add_comdat_group): New function.
15014         (Relobj::set_kept_comdat_section): New function.
15015         (Relobj::get_kept_comdat_section): New function.
15016         (Relobj::comdat_groups_): New field.
15017         (Relobj::kept_comdat_sections_): New field.
15018         (Symbol_value::input_value): Update comment.
15019         (Sized_relobj::map_to_kept_section) New function.
15020         (Sized_relobj::include_linkonce_section): Add new parameter.
15021         * target-reloc.h (Comdat_behavior): New type.
15022         (get_comdat_behavior): New function.
15023         (relocate_section): Add code to map a discarded section to the
15024         corresponding kept section when applying a relocation.
15025
15026 2008-04-30  Craig Silverstein  <csilvers@google.com>
15027
15028         * dwarf_reader.cc (next_generation_count): New static var.
15029         (Addr2line_cache_entry): New struct.
15030         (addr2line_cache): New static var.
15031         (Dwarf_line_info::one_addr2line): Added caching.
15032         (Dwarf_line_info::clear_addr2line_cache): New function.
15033         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
15034         cache-size parameter.
15035         (Dwarf_line_info::one_addr2line_cache): New function.
15036         * symtab.cc (Symbol_table::detect_odr_violations): Pass
15037         new cache-size argument to one_addr2line(), and clear cache.
15038
15039 2008-04-28  Cary Coutant  <ccoutant@google.com>
15040
15041         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
15042         R_386_PC8 relocations.
15043
15044 2008-04-23  Ian Lance Taylor  <iant@google.com>
15045
15046         * object.cc (Sized_relobj::include_section_group): Check for
15047         invalid section group.
15048
15049         * object.cc (make_elf_object): Correct test for 64-bit ELF file
15050         header size.
15051
15052         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
15053         than read for file header.
15054         * archive.cc (Archive::include_member): Likewise.
15055
15056 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
15057
15058         * aclocal.m4: Regenerate.
15059         * configure: Regenerate.
15060
15061 2008-04-19  Ian Lance Taylor  <iant@google.com>
15062
15063         * version.cc (version_string): Bump to 1.6.
15064
15065         * testsuite/Makefile.am (many_sections_r_test): New target.
15066         (many_sections_r_test_SOURCES): Remove.
15067         (many_sections_r_test_DEPENDENCIES): Remove.
15068         (many_sections_r_test_LDFLAGS): Remove.
15069         (many_sections_r_test_LDADD): Remove.
15070
15071         * object.cc (Sized_relobj::do_add_symbols): Always pass
15072         local_symbol_count_ to add_from_relobj.
15073
15074         * testsuite/Makefile.am (many_sections_check.h): Only check one in
15075         every thousand variables.
15076         * testsuite/Makefile.in: Rebuild.
15077
15078         * object.cc (Xindex::initialize_symtab_xindex): New function.
15079         (Xindex::read_symtab_xindex): New function.
15080         (Xindex::sym_xindex_to_shndx): New function.
15081         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
15082         available.
15083         (Sized_relobj::do_initialize_xindex): New function.
15084         (Sized_relobj::do_read_symbols): Adjust section links.
15085         (Sized_relobj::symbol_section_and_value): Add is_ordinary
15086         parameter.  Change all callers.
15087         (Sized_relobj::include_section_group): Adjust section links and
15088         symbol section indexes.
15089         (Sized_relobj::do_layout): Adjust section links.
15090         (Sized_relobj::do_count_local_symbols): Adjust section links and
15091         symbol section indexes.
15092         (Sized_relobj::do_finalize_local_symbols): Distinguish between
15093         ordinary and special symbols.
15094         (Sized_relobj::write_local_symbols): Add symtab_xindex and
15095         dynsym_xindex parameters.  Change all callers.  Adjust section
15096         links.  Use SHN_XINDEX when needed.
15097         (Sized_relobj::get_symbol_location_info): Adjust section links.
15098         Don't get fooled by special symbols.
15099         * object.h (class Xindex): Define.
15100         (class Object): Add xindex_ parameter.  Declare virtual functoin
15101         do_initialize_xindex.
15102         (Object::adjust_sym_shndx): New function.
15103         (Object::set_xindex): New protected function.
15104         (class Symbol_value): Add is_ordinary_shndx_ field.
15105         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
15106         (Symbol_value::value): Assert ordinary section.
15107         (Symbol_value::initialize_input_to_output_map): Likewise.
15108         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
15109         Change all callers.
15110         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
15111         all callers.
15112         (class Sized_relobj): Update declarations.
15113         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
15114         parameter.  Change all callers.
15115         (Sized_relobj::adjust_shndx): New function.
15116         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
15117         field.
15118         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
15119         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
15120         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
15121         (Sized_dynobj::read_dynsym_section): Adjust section links.
15122         (Sized_dynobj::read_dynamic): Likewise.
15123         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
15124         section links.
15125         (Sized_dynobj::do_initialize_xindex): New function.
15126         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
15127         do_initialize_xindex.
15128         (Sized_dynobj::adjust_shndx): New function.
15129         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
15130         dynsym_xindex_ fields.
15131         (Layout::finalize): Add a call to set_section_indexes before
15132         creating the symtab sections.
15133         (Layout::set_section_indexes): Don't do anything if the section
15134         already has a section index.
15135         (Layout::create_symtab_sections): Add shnum parameter.  Change
15136         caller.  Create .symtab_shndx section if needed.
15137         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
15138         caller.
15139         (Layout::allocated_output_section_count): New function.
15140         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
15141         needed.
15142         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
15143         fields.  Update declarations.
15144         (Layout::symtab_xindex): New function.
15145         (Layout::dynsym_xindex): New function.
15146         (class Write_symbols_task): Add layout_ field.
15147         (Write_symbols_task::Write_symbols_task): Add layout parameter.
15148         Change caller.
15149         * output.cc (Output_section_headers::Output_section_headers): Add
15150         shstrtab_section parameter.  Change all callers.
15151         (Output_section_headers::do_sized_write): Store overflow values
15152         for section count and section string table section index in
15153         section header zero.
15154         (Output_file_header::do_sized_write): Check for overflow of
15155         section count and section string table section index.
15156         (Output_symtab_xindex::do_write): New function.
15157         (Output_symtab_xindex::endian_do_write): New function.
15158         * output.h (class Output_section_headers): Add shstrtab_section_.
15159         Update declarations.
15160         (class Output_symtab_xindex): Define.
15161         (Output_section::has_out_shndx): New function.
15162         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
15163         field.
15164         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
15165         Change all callers.
15166         (Sized_symbol::init): Likewise.
15167         (Symbol::output_section): Check for ordinary symbol.
15168         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
15169         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
15170         callers.
15171         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
15172         Change all callers.  Simplify handling of symbols from sections
15173         not included in the link.
15174         (Symbol_table::add_from_dynobj): Handle ordinary symbol
15175         distinction.
15176         (Weak_alias_sorter::operator()): Assert that symbols are
15177         ordinary.
15178         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
15179         distinction.
15180         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
15181         parameters.  Change all callers.
15182         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
15183         symbol distinction.  Use SHN_XINDEX when needed.
15184         (Symbol_table::write_section_symbol): Add symtab_xindex
15185         parameter.  Change all callers.
15186         (Symbol_table::sized_write_section_symbol): Likewise.  Use
15187         SHN_XINDEX when needed.
15188         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
15189         declarations.
15190         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
15191         (Symbol::is_defined): Check is_ordinary.
15192         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
15193         (Symbol::is_absolute, Symbol::is_common): Likewise.
15194         (class Sized_symbol): Update declarations.
15195         (class Symbol_table): Update declarations.
15196         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
15197         parameters.  Change all callers.
15198         (Sized_symbol::override): Likewise.
15199         (Symbol_table::override): Likewise.
15200         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
15201         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
15202         is_ordinary, and orig_st_shndx parameters.  Change all callers.
15203         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
15204         to be in an ordinary section.
15205         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
15206         object and is_ordinary parameters.  Change all callers.
15207         (Sized_dwarf_line_info::read_relocs): Add object parameter.
15208         Change all callers.  Don't add undefined or non-ordinary symbols
15209         to reloc_map_.
15210         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
15211         Change all callers.
15212         * dwarf_reader.h (class Sized_dwarf_line_info): Update
15213         declarations.
15214         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
15215         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
15216         (Sized_relobj::relocate_sections): Likewise.
15217         * target-reloc.h (scan_relocs): Adjust section symbol index.
15218         (scan_relocatable_relocs): Likewise.
15219         * i386.cc (Scan::local): Check for ordinary symbols.
15220         * sparc.cc (Scan::local): Likewise.
15221         * x86_64.cc (Scan::local): Likewise.
15222         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
15223         to symbol_section_and_value.
15224         * testsuite/many_sections_test.cc: New file.
15225         * testsuite/Makefile.am (BUILT_SOURCES): Define.
15226         (check_PROGRAMS): Add many_sections_test.
15227         (many_sections_test_SOURCES): Define.
15228         (many_sections_test_DEPENDENCIES): Define.
15229         (many_sections_test_LDFLAGS): Define.
15230         (BUILT_SOURCES): Add many_sections_define.h.
15231         (many_sections_define.h): New target.
15232         (BUILT_SOURCES): Add many_sections_check.h.
15233         (many_sections_check.h): New target.
15234         (check_PROGRAMS): Add many_sections_r_test.
15235         (many_sections_r_test_SOURCES): Define.
15236         (many_sections_r_test_DEPENDENCIES): Define.
15237         (many_sections_r_test_LDFLAGS): Define.
15238         (many_sections_r_test_LDADD): Define.
15239         (many_sections_r_test.o): New target.
15240         * testsuite/Makefile.in: Rebuild.
15241
15242 2008-04-17  Cary Coutant  <ccoutant@google.com>
15243
15244         * errors.cc (Errors::info): New function.
15245         (gold_info): New function.
15246         * errors.h (Errors::info): New function.
15247         * gold.h (gold_info): New function.
15248         * object.cc (Input_objects::add_object): Print trace output.
15249         * options.cc (options::parse_set): New function.
15250         (General_options::parse_wrap): Deleted.
15251         (General_options::General_options): Deleted initializer.
15252         * options.h (options::String_set): New typedef.
15253         (options::parse_set): New function.
15254         (DEFINE_set): New macro.
15255         (General_options::wrap): Changed to use DEFINE_set. Changed
15256         callers of any_wrap_symbols and is_wrap_symbol.
15257         (General_options::trace, General_options::trace_symbol):
15258         New options.
15259         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
15260         (General_options::wrap_symbols_): Deleted.
15261         * symtab.cc (Symbol_table::add_from_object): Print trace output.
15262
15263 2008-04-17  David S. Miller  <davem@davemloft.net>
15264
15265         * options.cc (General_options::parse_V): New function.
15266         * options.h: Add entries for -V and -Qy.
15267
15268 2008-04-17  Ian Lance Taylor  <iant@google.com>
15269
15270         * common.cc (Symbol_table::allocate_commons): Remove options
15271         parameter.  Change caller.
15272         (Symbol_table::do_allocate_commons): Remove options parameter.
15273         Change caller.  Just call do_allocate_commons_list twice.
15274         (Symbol_table::do_allocate_commons_list): New function, broken out
15275         of do_allocate_commons.
15276         * common.h (class Allocate_commons_task): Remove options_ field.
15277         Update constructor.
15278         * symtab.cc (Symbol_table::Symbol_table): Initialize
15279         tls_commons_.
15280         (Symbol_table::add_from_object): Put TLS common symbols on
15281         tls_commons_ list.
15282         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
15283         which are IN_OUTPUT_DATA.
15284         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
15285         allocate_commons and do_allocate_commons declarations.  Declare
15286         do_allocate_commons_list.
15287         * gold.cc (queue_middle_tasks): Update creation of
15288         Allocate_commons_task to not pass options.
15289         * testsuite/Makefile.am (INCLUDES): Add -I.. .
15290         (TLS_TEST_C_FLAGS): New variable.
15291         (tls_test_c_pic.o): New target.
15292         (tls_test_shared.so): Link in tls_test_c_pic.o.
15293         (tls_test_c_pic_ie.o): New target.
15294         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
15295         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
15296         (tls_test_c.o): New target.
15297         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
15298         (tls_pic_test_LDADD): Likewise.
15299         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
15300         (tls_shared_gd_to_ie_test_LDADD): Likewise.
15301         (tls_test_c_gnu2.o): New target.
15302         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
15303         tls_test_c_gnu2.o.
15304         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
15305         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
15306         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
15307         * testsuite/tls_test.cc: Include "config.h".
15308         (t_last): Call t11_last.
15309         * testsuite/tls_test.h (t11, t11_last): Declare.
15310         * testsuite/tls_test_c.c: New file.
15311         * testsuite/tls_test_main.cc (thread_routine): Call t11.
15312         * configure.ac: Check for OpenMP support.
15313         * configure, config.in, Makefile.in: Rebuild.
15314         * testsuite/Makefile.in: Rebuild.
15315
15316 2008-04-16  Cary Coutant  <ccoutant@google.com>
15317
15318         * i386.cc (Target_i386::define_tls_base_symbol): New function.
15319         (Target_i386::tls_base_symbol_defined_): New field.
15320         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
15321         (Target_i386::Scan::global): Likewise.
15322         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
15323         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
15324         (Target_x86_64::tls_base_symbol_defined_): New field.
15325         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
15326         (Target_x86_64::Scan::global): Likewise.
15327
15328 2008-04-16  Cary Coutant  <ccoutant@google.com>
15329
15330         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
15331         (Symbol::needs_plt_entry): Allow weak undefined symbols.
15332         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
15333         building shared libraries.
15334         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
15335         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
15336         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
15337         * testsuite/Makefile.in: Rebuild.
15338         * testsuite/weak_undef.h: New file.
15339         * testsuite/weak_undef_file1.cc: Add extra test cases.
15340         * testsuite/weak_undef_file2.cc: Likewise.
15341         * testsuite/weak_undef_test.cc: Likewise.
15342
15343 2008-04-16  David S. Miller  <davem@davemloft.net>
15344
15345         * sparc.cc (Target_sparc::Scan): Change from struct to class.
15346         Add issued_non_pic_error_ field.  Declare check_non_pic.
15347         (Target_sparc::Scan::check_non_pic): New function.
15348         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
15349         (Target_sparc::Scan::global): Likewise.
15350
15351         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
15352         * configure: Rebuild.
15353
15354         * options.h (DEFINE_enable): New macro.
15355         (new_dtags): New enable option.
15356         (initfirst, interpose, loadfltr, nodefaultlib,
15357         nodelete, nodlopen, nodump): New -z options.
15358         * layout.cc (Layout:finish_dynamic_section): If new
15359         dtags enabled, emit DT_RUNPATH.  Also, emit a
15360         DT_FLAGS_1 containing any specified -z flags.
15361
15362 2008-04-16  Ian Lance Taylor  <iant@google.com>
15363
15364         * copy-relocs.cc: New file.
15365         * copy-relocs.h: New file.
15366         * reloc.cc: Remove Copy_relocs code.
15367         * reloc.h: Likewise.
15368         * reloc-types.h (struct Reloc_types) [both versions]: Add
15369         get_reloc_addend_noerror.
15370         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
15371         variants of add_global which take an addend which must be zero.
15372         * i386.cc: Include "copy-relocs.h".
15373         (class Target_i386): Change type of copy_relocs_ to variable,
15374         update initializer.
15375         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
15376         Change all callers.
15377         (Target_i386::do_finalize_sections): Change handling of
15378         copy_relocs_.
15379         * sparc.cc: Include "copy-relocs.h".
15380         (class Target_sparc): Change type of copy_relocs_ to variable,
15381         update initializer.
15382         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
15383         Change all callers.
15384         (Target_sparc::do_finalize_sections): Change handling of
15385         copy_relocs_.
15386         * x86_64.cc: Include "copy-relocs.h".
15387         (class Target_x86_64): Change type of copy_relocs_ to variable,
15388         update initializer.
15389         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
15390         class.  Change all callers.
15391         (Target_x86_64::do_finalize_sections): Change handling of
15392         copy_relocs_.
15393         * Makefile.am (CCFILES): Add copy-relocs.cc.
15394         (HFILES): Add copy-relocs.h.
15395
15396         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
15397
15398         * testsuite/script_test_4.sh: Permit leading zeroes.
15399
15400 2008-04-15  Ian Lance Taylor  <iant@google.com>
15401
15402         * script-sections.cc (Script_sections::create_segments): Use
15403         header_size_adjustment even when there is enough room for the
15404         headers.
15405         * testsuite/script_test_4.sh: New file.
15406         * testsuite/script_test_4.t: New file.
15407         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
15408         (check_DATA): Add script_test_4.stdout.
15409         (MOSTLYCLEANFILES): Likewise.
15410         (script_test_4): New target.
15411         (script_test_4.stdout): New target.
15412         * testsuite/Makefile.in: Rebuild.
15413
15414         * sparc.cc: Add definitions for Output_data_plt_sparc class
15415         constants.
15416
15417 2008-04-14  David S. Miller  <davem@davemloft.net>
15418
15419         * sparc.cc: New file.
15420         * Makefile.am (TARGETSOURCES): Add sparc.cc
15421         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
15422         * configure.tgt: Document targ_extra_size and
15423         targ_extra_big_endian.  Add entries for sparc-* and
15424         sparc64-*.
15425         * configure.ac: Handle targ_extra_size and
15426         targ_extra_big_endian.
15427         * Makefile.in: Rebuild.
15428         * configure: Likewise.
15429         * po/POTFILES.in: Likewise.
15430         * po/gold.pot: Likewise.
15431
15432 2008-04-14  Ian Lance Taylor  <iant@google.com>
15433
15434         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
15435         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
15436         in the name/type/flags to section mapping.  Don't call
15437         allocate_output_section.
15438         (Layout::choose_output_section): Change parameter from adjust_name
15439         to is_input_section.  Don't permit input sections after sections
15440         are attached to segments.  Don't call allocate_output_section.
15441         (Layout::layout_eh_frame): Call update_flags_for_input_section,
15442         not write_enable_output_section.
15443         (Layout::make_output_section): Don't push to
15444         unattached_section_list_ nor call attach_to_segment.  Call
15445         attach_section_to_segment if sections are attached.
15446         (Layout::attach_sections_to_segments): New function.
15447         (Layout::attach_section_to_segment): New function.
15448         (Layout::attach_allocated_section_to_segment): Rename from
15449         attach_to_segment.  Remove flags parameter.
15450         (Layout::allocate_output_section): Remove function.
15451         (Layout::write_enable_output_section): Remove function.
15452         * layout.h (class Layout): Update for above changes.  Add new
15453         field sections_are_attached_.
15454         * output.h (Output_section::update_flags_for_input_section): New
15455         function.
15456         * output.cc (Output_section::add_input_section): Call
15457         update_flags_for_input_section.
15458         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
15459
15460 2008-04-11  Cary Coutant  <ccoutant@google.com>
15461
15462         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
15463         thought unnecessary.
15464         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
15465
15466 2008-04-11  Ian Lance Taylor  <iant@google.com>
15467
15468         * output.h (class Output_section_data): Remove inline definition
15469         of set_addralign.
15470         * output.cc (Output_section_data::set_addralign): New function.
15471
15472 2008-04-11  Cary Coutant  <ccoutant@google.com>
15473
15474         Add support for TLS descriptors for i386 and x86_64.
15475         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
15476         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
15477         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
15478         GOT_TYPE_TLS_DESC.
15479         (Target_i386::got_mod_index_entry): Remove unnecessary code.
15480         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
15481         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
15482         relocations.
15483         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
15484         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
15485         Fix problem with initial-exec relocations.
15486         (Target_i386::Relocate::relocate_tls): Likewise.
15487         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
15488         relaxation.
15489         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
15490         support for section-plus-offset dynamic table entries.
15491         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
15492         (Output_data_dynamic::Dynamic_entry): Add support for
15493         section-plus-offset dynamic table entries.
15494         (Output_data_dynamic::Classification): Likewise.
15495         (Output_data_dynamic::classification_): Renamed offset_.
15496         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
15497         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
15498         (Target_x86_64::make_plt_section): New function.
15499         (Target_x86_64::reserve_tlsdesc_entries): New function.
15500         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
15501         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
15502         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
15503         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
15504         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
15505         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
15506         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
15507         add extra PLT entry for TLS descriptors.
15508         (Output_data_plt_x86_64::got_): New field.
15509         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
15510         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
15511         fields.
15512         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
15513         descriptors.
15514         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
15515         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
15516         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
15517         R_386_TLS_DESC_CALL relocations.
15518         (Target_x86_64::Scan::global): Likewise.
15519         (Target_x86_64::do_finalize_sections): Add dynamic table entries
15520         for TLS descriptors.
15521         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
15522         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
15523         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
15524         GD-to-IE relaxation.
15525         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
15526         and TLS_DESCRIPTORS.
15527         * Makefile.in: Rebuild.
15528         * configure: Rebuild.
15529         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
15530         (tls_test_shared2.so): New target.
15531         (tls_shared_gd_to_ie_test_SOURCES): New variable.
15532         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
15533         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
15534         (tls_shared_gd_to_ie_test_LDADD): New variable.
15535         (tls_shared_gnu2_gd_to_ie_test): New target.
15536         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
15537         New targets.
15538         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
15539         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
15540         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
15541         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
15542         (tls_shared_gnu2_test): New target.
15543         (tls_test_gnu2_shared.so): New target.
15544         (tls_shared_gnu2_test_SOURCES): New variable.
15545         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
15546         (tls_shared_gnu2_test_LDFLAGS): New variable.
15547         (tls_shared_gnu2_test_LDADD): New variable.
15548         * testsuite/Makefile.in: Rebuild.
15549         * testsuite/Makefile.
15550
15551 2008-04-11  Ian Lance Taylor  <iant@google.com>
15552
15553         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
15554         justsyms.t.
15555         * testsuite/Makefile.in: Rebuild.
15556
15557         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
15558         long.
15559         * testsuite/script_test_2.cc (main): Adjust test.
15560
15561 2008-04-11  David S. Miller  <davem@davemloft.net>
15562             Ian Lance Taylor  <iant@google.com>
15563
15564         * options.h (General_options): Add entries for '-Y' and
15565         '-relax'.
15566         * options.cc (General_options:finalize): If -Y was used, add those
15567         entries to the library path instead of the default "/lib" and
15568         "/usr/lib".
15569
15570 2008-04-11  David S. Miller  <davem@davemloft.net>
15571
15572         * testsuite/justsyms.t: Start at 0x100.
15573         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
15574         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
15575         long.
15576         * testsuite/script_test_2.cc: Adjust string and section length
15577         checks.
15578
15579 2008-04-09  Ian Lance Taylor  <iant@google.com>
15580
15581         PR gold/5996
15582         * script-sections.cc (Sections_element::allocate_to_segment): Add
15583         orphan parameter.
15584         (Output_section_definition::allocate_to_segment): Likewise.
15585         (Orphan_output_section::allocate_to_segment): Likewise.
15586         (Script_sections::attach_sections_using_phdrs_clause): Don't
15587         propagate non-PT_LOAD segments to orphan sections.
15588         * testsuite/Makefile.am (script_test_3.stdout): Generate using
15589         readelf rather than objdump.
15590         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
15591         .interp section and PT_INTERP segment are the same size.
15592         * testsuite/Makefile.in: Rebuild.
15593
15594         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
15595         aliases for symbols defined in the same object.
15596         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
15597         (weak_alias_test_SOURCES): New variable.
15598         (weak_alias_test_DEPENDENCIES): New variable.
15599         (weak_alias_test_LDFLAGS): New variable.
15600         (weak_alias_test_LDADD): New variable.
15601         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
15602         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
15603         (weak_alias_test_3.o): New target.
15604         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
15605         * testsuite/weak_alias_test_main.cc: New file.
15606         * testsuite/weak_alias_test_1.cc: New file.
15607         * testsuite/weak_alias_test_2.cc: New file.
15608         * testsuite/weak_alias_test_3.cc: New file.
15609
15610 2008-04-08  Ian Lance Taylor  <iant@google.com>
15611
15612         * options.h (class General_options): Add --noinhibit-exec option.
15613         * main.cc (main): Check --noinhibit-exec.
15614
15615         * options.h (class General_options): Define --wrap as a special
15616         option.  Add wrap_symbols_ field.
15617         (General_options::any_wrap_symbols): New function.
15618         (General_options::is_wrap_symbol): New function.
15619         * options.cc (General_options::parse_wrap): New function.
15620         (General_options::General_options): Initialize wrap_symbols_.
15621         * symtab.cc (Symbol_table::wrap_symbol): New function.
15622         (Symbol_table::add_from_object): Handle --wrap.
15623         * symtab.h (class Symbol_table): Declare wrap_symbol.
15624         * target.h (Target::wrap_char): New function.
15625         (Target::Target_info): Add wrap_char field.
15626         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
15627         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
15628         * testsuite/testfile.cc (Target_test::test_target_info):
15629         Likewise.
15630
15631         * errors.cc (Errors::undefined_symbol): Mention symbol version if
15632         there is one.
15633
15634         * layout.h (class Layout): Add added_eh_frame_data_ field.
15635         * layout.cc (Layout::Layout): Initialize new field.
15636         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
15637         output section until we find a section we merged successfully.
15638         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
15639         that the size be non-zero.
15640
15641         * merge.cc (Object_merge_map::get_output_offset): Remove inline
15642         qualifier.
15643
15644 2008-04-08  Craig Silverstein  <csilvers@google.com>
15645
15646         * configure.ac: Export new conditional variable HAVE_ZLIB.
15647         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
15648         on HAVE_ZLIB.
15649         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
15650         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
15651
15652 2008-04-07  Ian Lance Taylor  <iant@google.com>
15653
15654         * version.cc (version_string): Set to "1.5".
15655
15656         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
15657         Add issued_non_pic_error_ field.  Declare check_non_pic.
15658         (Target_x86_64::Scan::check_non_pic): New function.
15659         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
15660         (Target_x86_64::Scan::global): Likewise.
15661
15662         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
15663         addend parameter.  Change caller.  Handle merge sections.
15664         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
15665         Address to Addend.  Don't add in the result of
15666         local_section_offset, pass down the addend and use the returned
15667         value.
15668         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
15669         Update declarations of local_section_offset and symbol_value.
15670         * testsuite/two_file_test_1.cc (t18): New function.
15671         * testsuite/two_file_test_2.cc (f18): New function.
15672         * testsuite/two_file_test_main.cc (main): Call t18.
15673         * testsuite/two_file_test.h (t18, f18): Declare.
15674
15675         * configure.ac: Don't test for objdump, c++filt, or readelf.
15676         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
15677         conditionals.
15678         (TEST_READELF): New variable.
15679         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
15680         (check_PROGRAMS): Add two_file_strip_test.
15681         (two_file_strip_test): New target.
15682         (check_PROGRAMS): Add two_file_same_shared_strip_test.
15683         (two_file_same_shared_strip_test_SOURCES): New variable.
15684         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
15685         (two_file_same_shared_strip_test_LDFLAGS): New variable.
15686         (two_file_same_shared_strip_test_LDADD): New variable.
15687         (two_file_shared_strip.so): New target.
15688         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
15689         (ver_test_5.syms, ver_test_7.syms): Likewise.
15690         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
15691         (strip_test_3.stdout): Use TEST_OBJDUMP.
15692         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
15693
15694 2008-04-04  Cary Coutant  <ccoutant@google.com>
15695
15696         * symtab.h (Symbol::is_weak_undefined): New function.
15697         (Symbol::is_strong_undefined): New function.
15698         (Symbol::is_absolute): New function.
15699         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
15700         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
15701         absolute symbols.
15702         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
15703         (weak_undef_test): New target.
15704         * testsuite/Makefile.in: Rebuild.
15705         * testsuite/weak_undef_file1.cc: New file.
15706         * testsuite/weak_undef_file2.cc: New file.
15707         * testsuite/weak_undef_test.cc: New file.
15708
15709 2008-04-03  Craig Silverstein  <csilvers@google.com>
15710
15711         * compressed_output.h (class Output_compressed_section): Use
15712         unsigned buffer.
15713         * compressed_output.cc (zlib_compress): Use unsigned buffers,
15714         add zlib header.
15715         (zlib_compressed_suffix): Removed.
15716         (Output_compressed_section::set_final_data_size): Use unsigned
15717         buffers.
15718         * testsuite/Makefile.am (flagstest_compress_debug_sections):
15719         Fix linker invocation.
15720         (flagstest_o_specialfile_and_compress_debug_sections):
15721         Likewise.
15722         * testsuite/Makefile.in: Regenerated.
15723
15724 2008-04-02  David S. Miller  <davem@davemloft.net>
15725
15726         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
15727         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
15728
15729 2008-04-02  Craig Silverstein  <csilvers@google.com>
15730
15731         * TODO: New file.
15732
15733 2008-04-02  Ian Lance Taylor  <iant@google.com>
15734
15735         * fileread.cc (File_read::find_view): Add byteshift and vshifted
15736         parameters.  Update for new key type to views_.  Change all
15737         callers.
15738         (File_read::read): Adjust for byteshift in returned view.
15739         (File_read::add_view): New function, broken out of
15740         find_and_make_view.
15741         (File_read::make_view): New function, broken out of
15742         find_and_make_view.
15743         (File_read::find_or_make_view): Add offset and aligned
15744         parameters.  Rewrite accordingly.  Change all callers.
15745         (File_read::get_view): Add offset and aligned parameters.  Adjust
15746         for byteshift in return value.
15747         (File_read::get_lasting_view): Likewise.
15748         * fileread.h (class File_read): Update declarations.
15749         (class File_read::View): Add byteshift_ field.  Add byteshift to
15750         constructor.  Add byteshift method.
15751         * archive.h (Archive::clear_uncached_views): New function.
15752         (Archive::get_view): Add aligned parameter.  Change all callers.
15753         * object.h (Object::get_view): Add aligned parameter.  Change all
15754         callers.
15755         (Object::get_lasting_view): Likewise.
15756
15757         * fileread.cc (File_read::release): Don't call clear_views if
15758         there are multiple objects.
15759         * fileread.h (File_read::clear_uncached_views): New function.
15760         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
15761         on the archive.
15762
15763 2008-03-31  Cary Coutant  <ccoutant@google.com>
15764
15765         Add thin archive support.
15766         * archive.cc (Archive::armagt): New const.
15767         (Archive::setup): Remove task parameter and calls to unlock.
15768         (Archive::unlock_nested_archives): New function.
15769         (Archive::read_header): Add nested_off parameter. Change
15770         all callers.
15771         (Archive::interpret_header): Likewise.
15772         (Archive::include_all_members): Change to handle thin
15773         archives.
15774         (Archive::include_member): Likewise.
15775         * archive.h (Archive::Archive): Add new parameters and
15776         initializers.
15777         (Archive::armagt): New const.
15778         (Archive::setup): Remove task parameter.
15779         (Archive::unlock_nested_archives): New function.
15780         (Archive::read_header): Add nested_off parameter.
15781         (Archive::interpret_header): Likewise.
15782         (Archive::Nested_archive_table): New typedef.
15783         (Archive::is_thin_archive_): New field.
15784         (Archive::nested_archives_): New field.
15785         (Archive::options_): New field.
15786         (Archive::dirpath_): New field.
15787         (Archive::task_): New field.
15788         * readsyms.cc (Read_symbols::do_read_symbols): Add check
15789         for thin archives.  Pass additional parameters to
15790         Archive::Archive.  Unlock the archive file after calling
15791         Archive::setup.
15792
15793 2008-03-29  Ian Lance Taylor  <iant@google.com>
15794
15795         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
15796         version symbol to be local.
15797         * testsuite/ver_test_4.sh: New file.
15798         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
15799         (check_DATA): Add ver_test_4.syms.
15800         (ver_test_4.syms): New target.
15801         * testsuite/Makefile.in: Rebuild.
15802
15803         * output.cc
15804         (Output_section::Input_section_sort_entry::has_priority): New
15805         function.
15806         (Output_section::Input_section_sort_entry::match_file_name): New
15807         function.
15808         (Output_section::Input_section_sort_entry::match_section_name):
15809         Remove.
15810         (Output_section::Input_section_sort_entry::match_section_name_prefix):
15811         Remove.
15812         (Output_section::Input_section_sort_entry::match_section_file):
15813         Remove.
15814         (Output_section::Input_section_sort_compare::operator()): Rewrite
15815         using new Input_section_sort_entry functions.  Sort crtbegin and
15816         crtend first.  Sort sections with no priority before sections with
15817         a priority.
15818         * testsuite/initpri1.c (d3): Check j != 4.
15819         (cd5): New constructor/destructor function.
15820         (main): Check j != 2.
15821
15822         * symtab.cc (Symbol_table::add_from_object): If we don't use the
15823         new symbol when resolving, don't call set_is_default.
15824         * testsuite/ver_test_7.cc: New file.
15825         * testsuite/ver_test_7.sh: New file.
15826         * testsuite/Makefile.am (ver_test_7.so): New target.
15827         (ver_test_7.o): New target.
15828         (check_SCRIPTS): Add ver_test_7.sh.
15829         (check_DATA): Add ver_test_7.syms.
15830         (ver_test_7.syms): New target.
15831
15832 2008-03-28  Ian Lance Taylor  <iant@google.com>
15833
15834         * layout.cc (Layout::layout): If we see an input section with a
15835         name that needs sorting, set the must_sort flag for the output
15836         section.
15837         (Layout::make_output_section): If the name of the output section
15838         indicates that it might require sorting, set the may_sort flag.
15839         * output.h (Output_section::may_sort_attached_input_sections): New
15840         function.
15841         (Output_section::set_may_sort_attached_input_sections): New
15842         function.
15843         (Output_section::must_sort_attached_input_sections): New
15844         function.
15845         (Output_section::set_must_sort_attached_input_sections): New
15846         function.
15847         (class Output_section): Declare Input_section_sort_entry.  Define
15848         Input_section_sort_compare.  Declare
15849         sort_attached_input_sections.  Add new fields:
15850         may_sort_attached_input_sections_,
15851         must_sort_attached_input_sections_,
15852         attached_input_sections_are_sorted_.
15853         * output.cc (Output_section::Output_section): Initialize new
15854         fields.
15855         (Output_section::add_input_section): Add an entry to
15856         input_sections_ if may_sort or must_sort are true.
15857         (Output_section::set_final_data_size): Call
15858         sort_attached_input_sections if necessary.
15859         (Output_section::Input_section_sort_entry): Define new class.
15860         (Output_section::Input_section_sort_compare::operator()): New
15861         function.
15862         (Output_section::sort_attached_input_sections): New function.
15863         * configure.ac: Check whether the compiler supports constructor
15864         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
15865         * testsuite/initpri1.c: New file.
15866         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
15867         CONSTRUCTOR_PRIORITY.
15868         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
15869         (initpri1_LDFLAGS): New variable.
15870         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
15871
15872 2008-03-27  Ian Lance Taylor  <iant@google.com>
15873
15874         * common.cc (Sort_commons::operator): Correct sorting algorithm.
15875         * testsuite/common_test_1.c: New file.
15876         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
15877         (common_test_1_SOURCES): New variable.
15878         (common_test_1_DEPENDENCIES): New variable.
15879         (common_test_1_LDFLAGS): New variable.
15880
15881         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
15882         and commons_ correctly when NAME/VERSION does not override
15883         NAME/NULL.
15884         * testsuite/ver_test_6.c: New file.
15885         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
15886         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
15887         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
15888
15889 2008-03-26  Ian Lance Taylor  <iant@google.com>
15890
15891         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
15892         of an undefined symbol from a version script.
15893         * testsuite/Makefile.am (ver_test_5.so): New target.
15894         (ver_test_5.o): New target.
15895         (check_SCRIPTS): Add ver_test_5.sh.
15896         (check_DATA): Add ver_test_5.syms.
15897         (ver_test_5.syms): New target.
15898         * testsuite/ver_test_5.cc: New file.
15899         * testsuite/ver_test_5.script: New file.
15900         * testsuite/ver_test_5.sh: New file.
15901         * Makefile.in, testsuite/Makefile.in: Rebuild.
15902
15903         PR gold/5986
15904         Fix problems building gold with gcc 4.3.0.
15905         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
15906         (gold_error_at_location, gold_warning_at_location): Use it.
15907         * configure.ac: Check whether we can compile and use a template
15908         function with a printf attribute.
15909         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
15910         when jumping over bytes.
15911         * object.cc: Instantiate Object::read_section_data.
15912         * debug.h: Include <cstring>
15913         * dwarf_reader.cc: Include <algorithm>
15914         * main.cc: Include <cstring>.
15915         * options.cc: Include <cstring>.
15916         * output.cc: Include <cstring>.
15917         * script.cc: Include <cstring>.
15918         * script.h: Include <string>.
15919         * symtab.cc: Include <cstring> and <algorithm>.
15920         * target-select.cc: Include <cstring>.
15921         * version.cc: Include <string>.
15922         * testsuite/testmain.cc: Include <cstdlib>.
15923         * configure, config.in: Rebuild.
15924
15925 2008-03-25  Ian Lance Taylor  <iant@google.com>
15926
15927         * options.cc: Include "../bfd/bfdver.h".
15928         (options::help): Print bug reporting address.
15929
15930         * version.cc (print_version): Adjust output for current value of
15931         BFD_VERSION_STRING.
15932
15933         * NEWS: New file.
15934
15935         * options.cc (options::help): Print list of supported targets.
15936         * target-select.h: Include <vector>.
15937         (class Target_selector): Make machine_, size_, and is_big_endian_
15938         fields const.  Add bfd_name_ and instantiated_target_ fields.
15939         (Target_selector::Target_selector): Add bfd_name parameter.
15940         (Target_selector::recognize): Make non-virtual, call
15941         do_recognize.
15942         (Target_selector::recognize_by_name): Make non-virtual, call
15943         do_recognize_by_name.
15944         (Target_selector::supported_names): New function.
15945         (Target_selector::bfd_name): New function.
15946         (Target_selector::do_instantiate_target): New pure virtual
15947         function.
15948         (Target_selector::do_recognize): New virtual function.
15949         (Target_selector::do_recognize_by_name): New virtual function.
15950         (Target_selector::instantiate_target): New private function.
15951         (supported_target_names): Declare.
15952         * target-select.cc (Target_selector::Target_selector): Update for
15953         new parameter and fields.
15954         (select_target_by_name): Check that the name matches before
15955         calling recognize_by_name.
15956         (supported_target_names): New function.
15957         * i386.cc (class Target_selector_i386): Update Target_selector
15958         constructor call.  Remove recognize and recognize_by_name.  Add
15959         do_instantiate_target.
15960         * x86_64.cc (class Target_selector_x86_64): Likewise.
15961         * testsuite/testfile.cc (class Target_selector_test): Update for
15962         changes to Target_selector.
15963
15964         * README: Rewrite, with some notes on unsupported features.
15965
15966 2008-03-24  Cary Coutant  <ccoutant@google.com>
15967
15968         * i386.cc (Target_i386::Got_type): New enum declaration.
15969         (Target_i386::Scan::local): Updated callers of Output_data_got
15970         member functions.
15971         (Target_i386::Scan::global): Likewise.
15972         (Target_i386::Relocate::relocate): Likewise.
15973         (Target_i386::Relocate::relocate_tls): Likewise.
15974         * object.h (Got_offset_list): New class.
15975         (Sized_relobj::local_has_got_offset): Added got_type parameter.
15976         (Sized_relobj::local_got_offset): Likewise.
15977         (Sized_relobj::set_local_got_offset): Likewise.
15978         (Sized_relobj::local_has_tls_got_offset): Removed.
15979         (Sized_relobj::local_tls_got_offset): Removed.
15980         (Sized_relobj::set_local_tls_got_offset): Removed.
15981         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
15982         * output.cc (Output_data_got::add_global): Added got_type parameter.
15983         (Output_data_got::add_global_with_rel): Likewise.
15984         (Output_data_got::add_global_with_rela): Likewise.
15985         (Output_data_got::add_global_pair_with_rel): New function.
15986         (Output_data_got::add_global_pair_with_rela): New function.
15987         (Output_data_got::add_local): Added got_type parameter.
15988         (Output_data_got::add_local_with_rel): Likewise.
15989         (Output_data_got::add_local_with_rela): Likewise.
15990         (Output_data_got::add_local_pair_with_rel): New function.
15991         (Output_data_got::add_local_pair_with_rela): New function.
15992         (Output_data_got::add_global_tls): Removed.
15993         (Output_data_got::add_global_tls_with_rel): Removed.
15994         (Output_data_got::add_global_tls_with_rela): Removed.
15995         (Output_data_got::add_local_tls): Removed.
15996         (Output_data_got::add_local_tls_with_rel): Removed.
15997         (Output_data_got::add_local_tls_with_rela): Removed.
15998         * output.h (Output_data_got::add_global): Added got_type parameter.
15999         (Output_data_got::add_global_with_rel): Likewise.
16000         (Output_data_got::add_global_with_rela): Likewise.
16001         (Output_data_got::add_global_pair_with_rel): New function.
16002         (Output_data_got::add_global_pair_with_rela): New function.
16003         (Output_data_got::add_local): Added got_type parameter.
16004         (Output_data_got::add_local_with_rel): Likewise.
16005         (Output_data_got::add_local_with_rela): Likewise.
16006         (Output_data_got::add_local_pair_with_rel): New function.
16007         (Output_data_got::add_local_pair_with_rela): New function.
16008         (Output_data_got::add_global_tls): Removed.
16009         (Output_data_got::add_global_tls_with_rel): Removed.
16010         (Output_data_got::add_global_tls_with_rela): Removed.
16011         (Output_data_got::add_local_tls): Removed.
16012         (Output_data_got::add_local_tls_with_rel): Removed.
16013         (Output_data_got::add_local_tls_with_rela): Removed.
16014         * resolve.cc (Symbol::override_base_with_special): Removed
16015         reference to has_got_offset_ field.
16016         * symtab.cc (Symbol::init_fields): Replaced initialization
16017         of got_offset_ with got_offsets_.  Removed initialization
16018         of has_got_offset_
16019         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
16020         (Symbol::got_offset): Likewise.
16021         (Symbol::set_got_offset): Likewise.
16022         (Symbol::has_tls_got_offset): Removed.
16023         (Symbol::tls_got_offset): Removed.
16024         (Symbol::set_tls_got_offset): Removed.
16025         (Symbol::got_offset_): Removed.
16026         (Symbol::tls_mod_got_offset_): Removed.
16027         (Symbol::tls_pair_got_offset_): Removed.
16028         (Symbol::got_offsets_): New field.
16029         (Symbol::has_got_offset): Removed.
16030         (Symbol::has_tls_mod_got_offset): Removed.
16031         (Symbol::has_tls_pair_got_offset): Removed.
16032         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
16033         (Target_x86_64::Scan::local): Updated callers of Output_data_got
16034         member functions.
16035         (Target_x86_64::Scan::global): Likewise.
16036         (Target_x86_64::Relocate::relocate): Likewise.
16037         (Target_x86_64::Relocate::relocate_tls): Likewise.
16038
16039 2008-03-25  Ben Elliston  <bje@au.ibm.com>
16040
16041         * yyscript.y: Fix spelling error in comment.
16042
16043 2008-03-24  Ian Lance Taylor  <iant@google.com>
16044
16045         * options.h (class General_options): Define build_id option.
16046         * layout.h (class Layout): Declare write_build_id, create_note,
16047         create_build_id.  Add build_id_note_ member.
16048         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
16049         "libiberty.h", "md5.h", "sha1.h".
16050         (Layout::Layout): Initialize eh_frame_data_,
16051         eh_frame_hdr_section_, and build_id_note_.
16052         (Layout::finalize): Call create_build_id.
16053         (Layout::create_note): New function, broken out of
16054         Layout::create_gold_note.
16055         (Layout::create_gold_note): Call create_note.
16056         (Layout::create_build_id): New function.
16057         (Layout::write_build_id): New function.
16058         (Close_task_runner::run): Call write_build_id.
16059
16060         * x86_64.cc: Correct license to GPLv3.
16061
16062 2008-03-23  Ian Lance Taylor  <iant@google.com>
16063
16064         * options.cc: Include "demangle.h".
16065         (parse_optional_string): New function.
16066         (parse_long_option): Handle takes_optional_argument.
16067         (parse_short_option): Update dash_z initializer.  Handle
16068         takes_optional_argument.
16069         (General_options::General_options): Initialize do_demangle_.
16070         (General_options::finalize): Set do_demangle_.  Handle demangling
16071         style.
16072         * options.h (parse_optional_string): Declare.
16073         (struct One_option): Add optional_arg field.  Update constructor.
16074         Update call constructor calls.  Add takes_optional_argument
16075         function.
16076         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
16077         (DEFINE_optional_string): Define.
16078         (General_options::demangle): Change from DEFINE_bool to
16079         DEFINE_optional_string.
16080         (General_options::no_demangle): New function.
16081         (General_options::do_demangle): New function.
16082         (General_options::set_do_demangle): New function.
16083         (General_options::execstack_status_): Move definition to end of
16084         class definition.
16085         (General_options::static_): Likewise.
16086         (General_options::do_demangle_): New field.
16087         * object.cc (big_endian>::get_symbol_location_info): Call
16088         Options::do_demangle, not Options::demangle.
16089         * symtab.cc (demangle): Likewise.
16090
16091 2008-03-22  Ian Lance Taylor  <iant@google.com>
16092
16093         * gold.h: Include <cstddef> and <sys/types.h>
16094         * options.h: Include <cstring>.
16095
16096 2008-03-21  Ian Lance Taylor  <iant@google.com>
16097
16098         * Added source code to GNU binutils.
16099 \f
16100 Copyright (C) 2008-2014 Free Software Foundation, Inc.
16101
16102 Copying and distribution of this file, with or without modification,
16103 are permitted in any medium without royalty provided the copyright
16104 notice and this notice are preserved.
16105
16106 Local Variables:
16107 mode: change-log
16108 left-margin: 8
16109 fill-column: 74
16110 version-control: never
16111 End: