gold/ChangeLog

   1 2012-08-30  Alan Modra  <amodra@gmail.com>
   2
   3         * layout.cc (Layout::set_segment_offsets): Set p_align to
   4         abi_pagesize, not common_pagesize.
   5         (Layout::relaxation_loop_body): Similarly use abi_pagesize
   6         to determine whether file header can go in segment.
   7
   8 2012-08-30  Alan Modra  <amodra@gmail.com>
   9
  10         * output.h (Output_reloc::Output_reloc <output section>): Add
  11         is_relative param.  Adjust calls.
  12         (Output_reloc::add_output_section_relative): New functions.
  13         * output.cc (Output_reloc::Output_reloc <output section>): Handle
  14         is_relative.
  15         (Output_reloc::symbol_value): Handle SECTION_CODE.
  16
  17 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
  18
  19         * gold.cc (queue_middle_tasks): Call layout again when unique
  20         segments for sections is desired.
  21         * layout.cc (Layout::Layout): Initialize new members.
  22         (Layout::get_output_section_flags): New function.
  23         (Layout::choose_output_section): Call get_output_section_flags.
  24         (Layout::layout): Make output section for mapping to a unique segment.
  25         (Layout::insert_section_segment_map): New function.
  26         (Layout::attach_allocated_section_to_segment): Make unique segment for
  27         output sections marked so.
  28         (Layout::segment_precedes): Check for unique segments when sorting.
  29         * layout.h (Layout::Unique_segment_info): New struct.
  30         (Layout::Section_segment_map): New typedef.
  31         (Layout::insert_section_segment_map): New function.
  32         (Layout::get_output_section_flags): New function.
  33         (Layout::is_unique_segment_for_sections_specified): New function.
  34         (Layout::set_unique_segment_for_sections_specified): New function.
  35         (Layout::unique_segment_for_sections_specified_): New member.
  36         (Layout::section_segment_map_): New member.
  37         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
  38         Rename is_gc_pass_one to is_pass_one.
  39         Rename is_gc_pass_two to is_pass_two.
  40         Rename is_gc_or_icf to is_two_pass.
  41         Check for which pass based on whether symbols data is present.
  42         Make it two pass when unique segments for sections is desired.
  43         * output.cc (Output_section::Output_section): Initialize new
  44         members.
  45         * output.h (Output_section::is_unique_segment): New function.
  46         (Output_section::set_is_unique_segment): New function.
  47         (Output_section::is_unique_segment_): New member.
  48         (Output_section::extra_segment_flags): New function.
  49         (Output_section::set_extra_segment_flags): New function.
  50         (Output_section::extra_segment_flags_): New member.
  51         (Output_section::segment_alignment): New function.
  52         (Output_section::set_segment_alignment): New function.
  53         (Output_section::segment_alignment_): New member.
  54         (Output_segment::Output_segment): Initialize is_unique_segment_.
  55         (Output_segment::is_unique_segment): New function.
  56         (Output_segment::set_is_unique_segment): New function.
  57         (Output_segment::is_unique_segment_): New member.
  58         * plugin.cc (allow_unique_segment_for_sections): New function.
  59         (unique_segment_for_sections): New function.
  60         (Plugin::load): Add new functions to transfer vector.
  61         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
  62         * Makefile.in: Regenerate.
  63         * testsuite/plugin_final_layout.sh: Check if unique segment
  64         functionality works.
  65         * testsuite/plugin_section_order.c (onload): Check if new interfaces
  66         are available.
  67         (allow_unique_segment_for_sections): New global.
  68         (unique_segment_for_sections): New global.
  69         (claim_file_hook): Call allow_unique_segment_for_sections.
  70         (all_symbols_read_hook): Call unique_segment_for_sections.
  71
  72 2012-08-22  Cary Coutant  <ccoutant@google.com>
  73
  74         * layout.cc (Layout::include_section): Don't assert on GROUP
  75         sections with --emit-relocs.
  76
  77 2012-08-21  Cary Coutant  <ccoutant@google.com>
  78
  79         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
  80         if --export-dynamic-symbol names an undef symbol.
  81
  82 2012-08-18  Alan Modra  <amodra@gmail.com>
  83
  84         * powerpc.cc: Formatting and white space.
  85         (Powerpc_relobj): Rename got2_section_ to special_.
  86         Add opd_ent_shndx_ and opd_ent_off_ vectors.
  87         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
  88         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
  89         (Target_powerpc): Add Address typedef and invalid_address.  Use
  90         throughout.
  91         (Target_powerpc::is_branch_reloc): New function.
  92         (Powerpc_relocate_functions): Add Address typedef, use throughout.
  93         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
  94         for dst_mask, value and addend.
  95         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
  96         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
  97         (Output_data_glink::do_write): Correct toc base.  Don't try to use
  98         uint16_t for 24-bit offset.  Use get_output_section_offset and
  99         check return.
 100         (Target_powerpc::Scan::local): Handle more relocs.
 101         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
 102         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
 103         Plug in toc restoring insn after plt calls.  Translate branches
 104         to function descriptor symbols to corresponding entry point.
 105         (Target_powerpc::relocate_for_relocatable): Check return from
 106         get_output_section_offset.
 107         * symtab.h: Comment typo.
 108
 109 2012-08-14  Ian Lance Taylor  <iant@google.com>
 110
 111         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
 112         unsupported_relocal_local to call unsupported_reloc_global.
 113
 114 2012-08-14  Nick Clifton  <nickc@redhat.com>
 115
 116         PR ld/14265
 117         * script-sections.cc (Sections_element::output_section_name): Add
 118         keep return parameter.
 119         (Output_section_element::match_name): Add keep return parameter.
 120         Return the value of the keep_ member.
 121         * script-sections.h (class Output_section): Update
 122         output_section_name prototype.
 123         * layout.cc (Layout::keep_input_section): New public member
 124         function.
 125         (Layout::choose_output_section): Pass keep parameter to
 126         output_section_name.
 127         * layout.h (class Layout): Add keep_input_section.
 128         * object.cc (Sized_relobj_file::do_layout): Check for kept input
 129         sections.
 130         * testsuite/Makefile.am: Add a test.
 131         * testsuite/Makefile.in: Regenerate.
 132         * testsuite/pr14265.c: Source file for the test.
 133         * testsuite/pr14265.t: Linker script for the test.
 134         * testsuite/pr14265.sh: Shell script for the test.
 135
 136 2012-08-14  Alan Modra  <amodra@gmail.com>
 137
 138         * target.h (Target::output_section_name): New function.
 139         (Target::do_output_section_name): New function.
 140         * layout.cc (Layout::choose_output_section): Call the above.
 141         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
 142
 143 2012-08-14  Alan Modra  <amodra@gmail.com>
 144
 145         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
 146         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
 147         for replace_constant call.
 148         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
 149         (Output_data_glink::do_print_to_mapfile): New function.
 150         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
 151         (Target_powerpc::Relocate::relocate): Likewise.
 152
 153 2012-08-14  Alan Modra  <amodra@gmail.com>
 154
 155         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
 156         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
 157         (Output_data_glink::add_entry,find_entry): Remove shndx param.
 158         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
 159         all references to shndx_.  Handle special case for R_PPC_PLTREL24
 160         here.
 161         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
 162         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
 163         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
 164         here.
 165         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
 166         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
 167
 168 2012-08-12  Alan Modra  <amodra@gmail.com>
 169
 170         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
 171         (glink insn constants): Use uint32_t.
 172         (Output_data_glink::add_entry): Use insert, not [] operator.
 173
 174 2012-08-11  Alan Modra  <amodra@gmail.com>
 175
 176         * object.h (Sized_relobj_file::find_shdr): New function.
 177         (Sized_relobj_file::find_special_sections): New function.
 178         * object.cc (Sized_relobj_file::find_shdr): New function.
 179         (Sized_relobj_file::find_eh_frame): Use find_shdr.
 180         (Sized_relobj_file::find_special_sections): New function, split out..
 181         (Sized_relobj_file::do_read_symbols): ..from here.
 182         * output.h (Output_data_got::replace_constant): New function.
 183         (Output_data_got::num_entries): New function.
 184         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
 185         (Output_data_got::got_offset): Protected rather than private.
 186         (Output_data_got::replace_got_entry): New function.
 187         * output.cc (Output_data_got::replace_got_entry): New function.
 188         * powerpc.cc (class Powerpc_relobj): New.
 189         (class Powerpc_relocate_functions): Delete all psymval variants or
 190         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
 191         Implement _ha functions using corresponding _hi function.
 192         (Powerpc_relobj::find_special_sections): New function.
 193         (Target_powerpc::do_make_elf_object): New function.
 194         (class Output_data_got_powerpc): New.
 195         (class Output_data_glink): New.
 196         (class Powerpc_scan_relocatable_reloc): New.
 197         Many more changes througout file.
 198
 199 2012-08-09  Nick Clifton  <nickc@redhat.com>
 200
 201         * po/vi.po: Updated Vietnamese translation.
 202
 203 2012-08-07  Ian Lance Taylor  <iant@google.com>
 204
 205         * layout.cc (Layout::add_target_dynamic_tags): If
 206         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
 207         plt_rel.
 208
 209 2012-07-30  Nick Clifton  <nickc@redhat.com>
 210
 211         * po/gold.pot: Updated template.
 212         * po/es.po: Updated Spanish translation.
 213
 214 2012-07-18  Cary Coutant  <ccoutant@google.com>
 215
 216         PR gold/14344
 217         * configure.ac: Add check for -gpubnames support.
 218         * configure: Regenerate.
 219         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
 220         support; force -gno-pubnames.
 221         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
 222         support.
 223         (gdb_index_test_4): New test.
 224         * testsuite/Makefile.in: Regenerate.
 225         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
 226         * testsuite/gdb_index_test_2.sh: Likewise.
 227         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
 228         * testsuite/gdb_index_test_4.sh: New script.
 229         * testsuite/gdb_index_test_comm.sh: New script with common code;
 230         don't look for space after colon.
 231
 232 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
 233
 234         * gold.cc (queue_middle_tasks): Update function order only after
 235         deferred objects due to plugins are processed.
 236
 237 2012-07-11  Ian Lance Taylor  <iant@google.com>
 238
 239         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
 240         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
 241         (Target_arm::scan_reloc_for_stub): Likewise.
 242         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
 243         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
 244         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
 245         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
 246         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
 247
 248 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
 249             Ian Lance Taylor  <iant@google.com>
 250
 251         PR gold/14309
 252         * configure.ac: Test whether std::tr1::hash<off_t> works.
 253         * gold.h: Add a specialization for std::tr1::hash<off_t> if
 254         needed.
 255         * output.h (class Output_fill): Add virtual destructor.
 256         * configure, config.in: Rebuild.
 257
 258 2012-06-22  Roland McGrath  <mcgrathr@google.com>
 259
 260         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
 261
 262 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
 263
 264         * plugin.cc (Plugin::load): Handle position independent executables.
 265
 266 2012-06-06  Cary Coutant  <ccoutant@google.com>
 267
 268         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
 269         add .debug_macro.
 270         (lines_only_debug_sections): Likewise.
 271         (gdb_fast_lookup_sections): New static array.
 272         (is_gdb_debug_section): Rename formal parameter.
 273         (is_lines_only_debug_section): Likewise.
 274         (is_gdb_fast_lookup_section): New function.
 275         (Layout::include_section): Check for ".zdebug_" prefix; pass
 276         section name suffix to is_gdb_debug_section, et al.; check for
 277         fast-lookup sections when building .gdb_index.
 278         * options.h (--strip-debug-gdb): Update GDB version number.
 279
 280 2012-06-06  Cary Coutant  <ccoutant@google.com>
 281
 282         * configure.ac: Add check for fallocate.
 283         * configure: Regenerate.
 284         * config.in: Regenerate.
 285
 286         * options.h (class General_options): Add --mmap-output-file and
 287         --posix-fallocate options.
 288         * output.cc: (posix_fallocate): Remove; replace with...
 289         (gold_fallocate): New function.
 290         (Output_file::map_no_anonymous): Call gold_fallocate.
 291         (Output_file::map): Check --mmap-output-file option.
 292
 293 2012-06-05  Jing Yu  <jingyu@google.com>
 294
 295         * gold.h (textdomain): Add do {} to empty while(0).
 296         (bindtextdomain): Likewise.
 297
 298 2012-06-04  Cary Coutant  <ccoutant@google.com>
 299
 300         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
 301         has_dynsym_index.
 302
 303 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
 304
 305         * symtab.cc (Symbol_table::define_special_symbol):
 306         Initialize *poldsym to prevent uninitialized variable errors.
 307
 308 2012-05-23  Cary Coutant  <ccoutant@google.com>
 309
 310         * layout.cc (Layout::section_name_mapping): Add rules to handle
 311         exact match on .data.rel.ro.local or .data.rel.ro.
 312         (Layout::output_section_name): Check for exact matches.
 313
 314 2012-05-23  Cary Coutant  <ccoutant@google.com>
 315
 316         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
 317         more carefully.
 318
 319 2012-05-22  Cary Coutant  <ccoutant@google.com>
 320
 321         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
 322         object before exporting symbol.
 323
 324 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 325
 326         * testsuite/tls_test.cc: Include "config.h" first.
 327         * testsuite/tls_test_c.c: Likewise.
 328
 329 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
 330             Nick Clifton  <nickc@redhat.com>
 331
 332         PR 14072
 333         * configure.in: Add check that sysdep.h has been included before
 334         any system header files.
 335         * configure: Regenerate.
 336         * config.in: Regenerate.
 337
 338 2012-05-14  Cary Coutant  <ccoutant@google.com>
 339
 340         * layout.cc (Layout::make_output_section): Mark .tdata section
 341         as RELRO.
 342         * testsuite/relro_test.cc: Add a TLS variable.
 343
 344 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
 345
 346         PR gold/14091
 347         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
 348         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
 349         R_X86_64_64.
 350
 351 2012-05-08  Cary Coutant  <ccoutant@google.com>
 352
 353         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
 354         (lines_only_debug_sections): Likewise.
 355
 356 2012-05-02  Roland McGrath  <mcgrathr@google.com>
 357
 358         * nacl.cc: New file.
 359         * nacl.h: New file.
 360         * Makefile.am (CCFILES, HFILES): Add them.
 361         * Makefile.in: Regenerate.
 362         * i386.cc (Output_data_plt_i386_nacl): New class.
 363         (Output_data_plt_i386_nacl_exec): New class.
 364         (Output_data_plt_i386_nacl_dyn): New class.
 365         (Target_i386_nacl): New class.
 366         (Target_selector_i386_nacl): New class.
 367         (target_selector_i386): Use it instead of Target_selector_i386.
 368         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
 369         (Target_x86_64_nacl): New class.
 370         (Target_selector_x86_64_nacl): New class.
 371         (target_selector_x86_64, target_selector_x32): Use it instead of
 372         Target_selector_x86_64.
 373         * arm.cc (Output_data_plt_arm_nacl): New class.
 374         (Target_arm_nacl): New class.
 375         (Target_selector_arm_nacl): New class.
 376         (target_selector_arm, target_selector_armbe): Use it instead of
 377         Target_selector_arm.
 378
 379         * target-select.cc (select_target): Take new Input_file* and off_t
 380         arguments, pass them on to recognize method of selector.
 381         * object.cc (make_elf_sized_object): Update caller.
 382         * parameters.cc (parameters_force_valid_target): Likewise.
 383         * incremental.cc (make_sized_incremental_binary): Likewise.
 384         * target-select.h: Update decl.
 385         (Target_selector::recognize): Take new Input_file* argument,
 386         pass it on to do_recognize.
 387         (Target_selector::do_recognize): Take new Input_file* argument.
 388         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
 389         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
 390         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
 391         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
 392
 393         * target.h (Target::Target_info): New members isolate_execinstr
 394         and rosegment_gap.
 395         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
 396         * arm.cc (Target_arm::arm_info): Update initializer.
 397         * i386.cc (Target_i386::i386_info): Likewise.
 398         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
 399         * sparc.cc (Target_sparc::sparc_info): Likewise.
 400         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
 401         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
 402         * layout.cc (Layout::attach_allocated_section_to_segment):
 403         Take new const Target* argument.  If target->isolate_execinstr(), act
 404         like --rosegment.
 405         (Layout::find_first_load_seg): Take new const Target* argument;
 406         if target->isolate_execinstr(), reject PF_X segments.
 407         (Layout::relaxation_loop_body): Update caller.
 408         (Layout::set_segment_offsets): If target->isolate_execinstr(),
 409         reset file offset to zero when we hit LOAD_SEG, and then do a second
 410         loop over the segments before LOAD_SEG to reassign offsets after
 411         addresses have been determined.  Handle target->rosegment_gap().
 412         (Layout::attach_section_to_segment): Take new const Target* argument;
 413         pass it to attach_allocated_section_to_segment.
 414         (Layout::make_output_section): Update caller.
 415         (Layout::attach_sections_to_segments): Take new const Target* argument;
 416         pass it to attach_section_to_segment.
 417         * gold.cc (queue_middle_tasks): Update caller.
 418         * layout.h (Layout): Update method decls with new arguments.
 419
 420         * arm.cc (Target_arm::Target_arm): Take optional argument for the
 421         Target_info pointer to use.
 422         (Target_arm::do_make_data_plt): New virtual method.
 423         (Target_arm::make_data_plt): New method that calls it.
 424         (Target_arm::make_plt_entry): Use it.
 425         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
 426         for the section alignment.
 427         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
 428         method.
 429         (Output_data_plt_arm::first_plt_entry_offset): Call it.
 430         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
 431         method.
 432         (Output_data_plt_arm::get_plt_entry_size): Call it.
 433         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
 434         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
 435         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
 436         method.
 437         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
 438         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
 439         method instead of sizeof(plt_entry).
 440         (Output_data_plt_arm::add_entry): Likewise.
 441         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
 442         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
 443         than static method.
 444         (Target_arm::plt_entry_size): Likewise.
 445         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
 446         Move to ...
 447         (Output_data_plt_arm_standard): ... here, new class.
 448         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
 449         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
 450         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
 451
 452         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
 453         Take additional argument for the PLT entry size.
 454         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
 455         Use get_plt_entry_size method rather than plt_entry_size variable.
 456         (Output_data_plt_x86_64::reserve_slot): Likewise.
 457         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
 458         (Output_data_plt_x86_64::add_entry): Likewise.
 459         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
 460         (Output_data_plt_x86_64::address_for_global): Likewise.
 461         (Output_data_plt_x86_64::address_for_local): Likewise.
 462         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 463         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
 464         Make method non-static.
 465         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
 466         method.
 467         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
 468         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
 469         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
 470         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
 471         virtual method.
 472         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
 473         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
 474         virtual method.
 475         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
 476         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
 477         virtual method.
 478         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
 479         (Output_data_plt_x86_64::plt_entry_size)
 480         (Output_data_plt_x86_64::first_plt_entry)
 481         (Output_data_plt_x86_64::plt_entry)
 482         (Output_data_plt_x86_64::tlsdesc_plt_entry)
 483         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
 484         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
 485         (Output_data_plt_x86_64_standard): ... here, new class.
 486         (Target_x86_64::Target_x86_64): Take optional argument for the
 487         Target_info pointer to use.
 488         (Target_x86_64::do_make_data_plt): New virtual method.
 489         (Target_x86_64::make_data_plt): New method to call it.
 490         (Target_x86_64::init_got_plt_for_update): Use that.
 491         Call this->plt_->add_eh_frame method here.
 492         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
 493         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
 494         rather than static method.
 495         (Target_x86_64::plt_entry_size): Likewise.
 496         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
 497         rather than plt_entry_size variable.  Move guts of PLT filling to...
 498         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
 499         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
 500         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
 501
 502         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
 503         additional argument for the section alignment.
 504         Don't do add_eh_frame_for_plt here.
 505         (Output_data_plt_i386::first_plt_entry_offset): Make the method
 506         non-static.  Use get_plt_entry_size method rather than plt_entry_size
 507         variable.
 508         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
 509         method.
 510         (Output_data_plt_i386::get_plt_entry_size): Call it.
 511         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
 512         (Output_data_plt_i386::add_eh_frame): New method to call it.
 513         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
 514         method.
 515         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
 516         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
 517         method.
 518         (Output_data_plt_i386::fill_plt_entry): New method to call it.
 519         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
 520         method instead of plt_entry_size.
 521         (Output_data_plt_i386::plt_entry_size)
 522         (Output_data_plt_i386::plt_eh_frame_fde_size)
 523         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
 524         (Output_data_plt_i386_standard): ... here, new class.
 525         (Output_data_plt_i386_exec): New class.
 526         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
 527         (Output_data_plt_i386_exec::first_plt_entry): ... here.
 528         (Output_data_plt_i386::exec_plt_entry): Move to ...
 529         (Output_data_plt_i386_exec::plt_entry): ... here.
 530         (Output_data_plt_i386_dyn): New class.
 531         (Output_data_plt_i386::first_plt_entry): Move to ...
 532         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
 533         (Output_data_plt_i386::dyn_plt_entry): Move to ...
 534         (Output_data_plt_i386_dyn::plt_entry): ... here.
 535         (Target_i386::Target_i386): Take optional argument for the Target_info
 536         pointer to use.
 537         (Target_i386::do_make_data_plt): New virtual method.
 538         (Target_i386::make_data_plt): New method to call it.
 539         (Target_i386::make_plt_section): Use that.
 540         Call this->plt_->add_eh_frame method here.
 541         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
 542         rather than plt_entry_size variable.
 543         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
 544         (Output_data_plt_i386::address_for_local): Likewise.
 545         (Output_data_plt_i386::do_write): Likewise.
 546         Move guts of PLT filling to...
 547         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
 548         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
 549         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
 550         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
 551
 552 2012-05-01  Cary Coutant  <ccoutant@google.com>
 553
 554         * dwarf_reader.cc (Dwarf_die::read_attributes)
 555         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
 556         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
 557         * reduced_debug_output.cc
 558         (Output_reduced_debug_info_section::get_die_end): Remove
 559         DW_FORM_GNU_ref_index.  Add default case.
 560
 561 2012-04-26  Mark Wielaard  <mjw@redhat.com>
 562
 563         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
 564         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
 565         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
 566         DW_AT_high_pc as offset from DW_AT_low_pc.
 567
 568         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
 569         * testsuite/Makefile.in: Regenerate.
 570         * testsuite/gdb_index_test_3.c: New test source file.
 571         * testsuite/gdb_index_test_3.sh: New test source file.
 572
 573 2012-04-25  Ian Lance Taylor  <iant@google.com>
 574
 575         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
 576         pointer.
 577         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
 578         as a class, not a struct.
 579         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
 580         (Target_arm::apply_cortex_a8_workaround): Likewise.
 581         * gc.h: Declare Reloc_types as a struct, not a class.
 582         * object.h: Declare Symbols_data as a struct.
 583         * reloc.h: Declare Read_relocs_data as a struct.
 584         * target.h: Declare Relocate_info as a struct.
 585
 586 2012-04-24  David S. Miller  <davem@davemloft.net>
 587
 588         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
 589         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
 590         and R_SPARC_WPLT30.
 591
 592 2012-04-24  Cary Coutant  <ccoutant@google.com>
 593
 594         * incremental-dump.cc (find_input_containing_global): Replace
 595         magic number with symbolic constant.
 596         (dump_incremental_inputs): Update version number.
 597         * incremental.cc (Output_section_incremental_inputs): Update version
 598         number; import symbolic constants from Incremental_inputs_reader.
 599         (Incremental_inputs::create_data_sections): Align relocations
 600         section correctly for 64-bit targets.
 601         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
 602         constants; add padding.
 603         (Output_section_incremental_inputs::write_header): Add assert for
 604         header_size.
 605         (Output_section_incremental_inputs::write_input_files): Add assert
 606         for input_entry_size.
 607         (Output_section_incremental_inputs::write_info_blocks): Add padding;
 608         add assert for object_info_size, input_section_entry_size,
 609         global_sym_entry_size.
 610         * incremental.h (Incremental_inputs_reader): Add symbolic constants
 611         for data structure sizes; use them.
 612         (Incremental_input_entry_reader): Import symbolic constants from
 613         Incremental_inputs_reader; use them.
 614
 615 2012-04-23  David S. Miller  <davem@davemloft.net>
 616
 617         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
 618         and elf_flags_set_.
 619         (Target_sparc::Target_sparc): Initialize new fields.
 620         (Target_sparc::do_make_elf_object): New function.
 621         (Target_sparc::do_adjust_elf_header): New function.
 622
 623 2012-04-23  Cary Coutant  <ccoutant@google.com>
 624
 625         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
 626         CU range table of gdb index.
 627
 628 2012-04-20  David S. Miller  <davem@davemloft.net>
 629
 630         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
 631         instead of false.
 632
 633 2012-04-16  David S. Miller  <davem@davemloft.net>
 634
 635         * sparc.cc (Target_sparc::got_address): New function.
 636         (Sparc_relocate_functions::gdop_hix22): New function.
 637         (Sparc_relocate_functions::gdop_lox10): New function.
 638         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
 639         relocs.
 640         (Target_sparc::Scan::local): Likewise if the global symbol is not
 641         preemptible and is not IFUNC.
 642         (Target_sparc::Relocate::relocate): Perform GOTDATA code
 643         transformations for local and non-preemptible non-IFUNC global
 644         symbols.
 645
 646         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
 647         writing out 64-bit part of ranges.
 648
 649         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
 650         -fpic and -fpie respectively.
 651         * Makefile.in: Regenerate.
 652
 653         * sparc.cc (class Target_sparc): Add rela_ifunc_.
 654         (Target_sparc::Target_sparc): Initialize new field.
 655         (Target_sparc::do_plt_section_for_global): New function.
 656         (Target_sparc::do_plt_section_for_local): New function.
 657         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
 658         (Target_sparc::make_plt_section): New function, broken out of
 659         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
 660         (Target_sparc::make_plt_entry): Call make_plt_section.
 661         (Target_sparc::make_local_ifunc_plt_entry): New function.
 662         (Target_sparc::rela_ifunc_section): New function.
 663         (Target_sparc::plt_section): Remove const.
 664         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
 665         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
 666         and ifunc_count_ fields.
 667         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
 668         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
 669         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
 670         (Output_data_plt_sparc::rela_ifunc): New function.
 671         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
 672         (Output_data_plt_sparc::has_ifunc_section): New function.
 673         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
 674         (Output_data_plt_sparc::address_for_global): New function.
 675         (Output_data_plt_sparc::address_for_local): New function.
 676         (Output_data_plt_sparc::plt_index_to_offset): New function.
 677         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
 678         and entry_count.
 679         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
 680         entry_count.
 681         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
 682         R_SPARC_JMP_IREL to switch.
 683         (Target_sparc::Scan::check_non_pic): Likewise.
 684         (Target_sparc::Scan::local): Handle IFUNC symbols.
 685         (Target_sparc::Scan::local): Likewise.
 686         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
 687         and plt_address_for_local.
 688         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
 689         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
 690
 691         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
 692         (class Output_data_reloc): Adjust calls to Output_reloc_type.
 693         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
 694         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
 695         global relocs too.
 696         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
 697         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
 698         calls.
 699         * sparc.cc (Target_sparc::Scan::global): Likewise.
 700         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 701
 702 2012-04-16  Cary Coutant  <ccoutant@google.com>
 703
 704         * archive.cc (Library_base::should_include_member): Check for
 705         --export-dynamic-symbol.
 706         * options.h (class General_options): Add --export-dynamic-symbol.
 707         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
 708         --export-dynamic-symbol.
 709         (Symbol_table::gc_mark_undef_symbols): Likewise.
 710         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
 711
 712 2012-04-12  David S. Miller  <davem@davemloft.net>
 713
 714         * sparc.cc (Reloc::wdisp10): New relocation method.
 715         (Reloc::h34): Likewise.
 716         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
 717         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
 718         R_SPARC_WDISP10.
 719         (Target_sparc::Scan::local): Likewise.
 720         (Target_sparc::Scan::global): Likewise.
 721         (Target_sparc::Relocate::relocate): Likewise.
 722
 723 2012-04-09  Cary Coutant  <ccoutant@google.com>
 724
 725         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
 726         low_pc == 0.
 727
 728 2012-04-06  Ian Lance Taylor  <iant@google.com>
 729
 730         * timer.cc: #include <unistd.h>.
 731
 732 2012-04-06  Roland McGrath  <mcgrathr@google.com>
 733
 734         * configure.in (AC_CHECK_HEADERS): Add locale.h.
 735         * config.in: Regenerate.
 736         * configure: Regenerate.
 737
 738 2012-04-05  Nick Clifton  <nickc@redhat.com>
 739
 740         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
 741         (AM_LC_MESSAGES): Add.
 742         * aclocal.m4: Regenerate.
 743         * config.in: Regenerate.
 744         * configure: Regenerate.
 745
 746 2012-03-21  Cary Coutant  <ccoutant@google.com>
 747
 748         * Makefile.am: Add gdb-index.cc, gdb-index.h.
 749         * Makefile.in: Regenerate.
 750         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
 751         (Sized_elf_reloc_mapper::symbol_section): New function.
 752         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
 753         (make_elf_reloc_mapper): New function.
 754         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
 755         (Dwarf_abbrev_table::do_read_abbrevs): New function.
 756         (Dwarf_abbrev_table::do_get_abbrev): New function.
 757         (Dwarf_ranges_table::read_ranges_table): New function.
 758         (Dwarf_ranges_table::read_range_list): New function.
 759         (Dwarf_pubnames_table::read_section): New function.
 760         (Dwarf_pubnames_table::read_header): New function.
 761         (Dwarf_pubnames_table::next_name): New function.
 762         (Dwarf_die::Dwarf_die): New function.
 763         (Dwarf_die::read_attributes): New function.
 764         (Dwarf_die::skip_attributes): New function.
 765         (Dwarf_die::set_name): New function.
 766         (Dwarf_die::set_linkage_name): New function.
 767         (Dwarf_die::attribute): New function.
 768         (Dwarf_die::string_attribute): New function.
 769         (Dwarf_die::int_attribute): New function.
 770         (Dwarf_die::uint_attribute): New function.
 771         (Dwarf_die::ref_attribute): New function.
 772         (Dwarf_die::child_offset): New function.
 773         (Dwarf_die::sibling_offset): New function.
 774         (Dwarf_info_reader::check_buffer): New function.
 775         (Dwarf_info_reader::parse): New function.
 776         (Dwarf_info_reader::do_parse): New function.
 777         (Dwarf_info_reader::do_read_string_table): New function.
 778         (Dwarf_info_reader::lookup_reloc): New function.
 779         (Dwarf_info_reader::get_string): New function.
 780         (Dwarf_info_reader::visit_compilation_unit): New function.
 781         (Dwarf_info_reader::visit_type_unit): New function.
 782         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
 783         Sized_elf_reloc_mapper.
 784         (Sized_dwarf_line_info::symbol_section): Remove function.
 785         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
 786         (Sized_dwarf_line_info::read_line_mappings): Remove object
 787         parameter, adjust callers.
 788         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
 789         * dwarf_reader.h: Include <sys/types.h>.
 790         (class Track_relocs): Remove forward declaration.
 791         (class Elf_reloc_mapper): New class.
 792         (class Sized_elf_reloc_mapper): New class.
 793         (class Dwarf_abbrev_table): New class.
 794         (class Dwarf_range_list): New class.
 795         (class Dwarf_ranges_table): New class.
 796         (class Dwarf_pubnames_table): New class.
 797         (class Dwarf_die): New class.
 798         (class Dwarf_info_reader): New class.
 799         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
 800         (Sized_dwarf_line_info::symbol_section): Remove member function.
 801         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
 802         base class.
 803         * gdb-index.cc: New source file.
 804         * gdb-index.h: New source file.
 805         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
 806         and .debug_types sections, call Layout::add_to_gdb_index.
 807         (Sized_relobj_incr::do_section_name): Implement.
 808         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
 809         return type; Implement.
 810         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
 811         return type.
 812         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
 813         parameter list and return type.
 814         (Sized_incr_dynobj::do_section_contents): Likewise.
 815         * layout.cc: Include gdb-index.h.
 816         (Layout::Layout): Initialize gdb_index_data_.
 817         (Layout::init_fixed_output_section): Check for .gdb_index section.
 818         (Layout::add_to_gdb_index): New function. Instantiate.
 819         * layout.h: Add forward declaration for class Gdb_index.
 820         (Layout::add_to_gdb_index): New member function.
 821         (Layout::gdb_index_data_): New data member.
 822         * main.cc: Include gdb-index.h.
 823         (main): Print statistics for gdb index.
 824         * object.cc (Object::section_contents): Move code into
 825         do_section_contents.
 826         (need_decompressed_section): Check for sections needed when building
 827         gdb index.
 828         (build_compressed_section_map): Likewise.
 829         (Sized_relobj_file::do_read_symbols): Need local symbols when building
 830         gdb index.
 831         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
 832         sections; call Layout::add_to_gdb_index.
 833         (Sized_relobj_file::do_decompressed_section_contents): Call
 834         do_section_contents directly.
 835         * object.h (Object::do_section_contents): Adjust parameter list and
 836         return type.
 837         (Object::do_decompressed_section_contents): Call do_section_contents
 838         directly.
 839         (Sized_relobj_file::do_section_contents): Adjust parameter list and
 840         return type.
 841         * options.h (class General_options): Add --gdb-index option.
 842         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
 843         list and return type.
 844         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 845         * reloc.h (Track_relocs::checkpoint): New function.
 846         (Track_relocs::reset): New function.
 847
 848         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 849         New test cases.
 850         * testsuite/Makefile.in: Regenerate.
 851         * testsuite/gdb_index_test.cc: New test source file.
 852         * testsuite/gdb_index_test_1.sh: New test source file.
 853         * testsuite/gdb_index_test_2.sh: New test source file.
 854
 855 2012-03-19  Doug Kwan  <dougkwan@google.com>
 856
 857         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 858         (Target_arm::do_finalize_sections): Remove code which defines
 859         __exidx_start and __exidx_end.  Make symbol table parameter
 860         anonymous as it is not used.
 861         * gold.cc (queue_middle_tasks): Call target hook to define any
 862         target-specific symbols.
 863         * target.h (Target::define_standard_symbols): New method.
 864         (Target::do_define_standard_symbols): Same.
 865         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 866         * testsuite/Makefile.in: Regenerate.
 867         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 868         and __exidx_end.
 869         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 870         relocations are generated for __exidx_start and __exidx_end.
 871
 872 2012-03-16  Doug Kwan  <dougkwan@google.com>
 873
 874         * testsuite/Makefile.am: Disable test initpri3b.
 875         * testsuite/Makefile.in: Regenerate.
 876
 877 2012-03-15  Doug Kwan  <dougkwan@google.com>
 878
 879         * arm.cc (Target_arm::got_section): Make .got section read-only
 880         if -z now is given.
 881
 882 2012-03-15  Ian Lance Taylor  <iant@google.com>
 883
 884         PR gold/13850
 885         * layout.cc (Layout::make_output_section): Correctly mark
 886         SHT_INIT_ARRAY, et. al., as relro.
 887
 888 2012-03-14  Doug Kwan  <dougkwan@google.com>
 889
 890         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 891         dynamic relocations for protected symbols in shared objects.
 892
 893 2012-03-13  Ian Lance Taylor  <iant@google.com>
 894
 895         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 896         keep the larger alignment.
 897
 898 2012-03-12  Cary Coutant  <ccoutant@google.com>
 899
 900         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 901         handling of DW_LNE_define_file.
 902
 903 2012-03-12  Cary Coutant  <ccoutant@google.com>
 904
 905         * reduced_debug_output.cc
 906         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 907         codes to switch.
 908
 909 2012-02-29  Cary Coutant  <ccoutant@google.com>
 910
 911         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 912
 913 2012-02-29  Cary Coutant  <ccoutant@google.com>
 914
 915         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 916         Call Object::decompressed_section_contents.
 917         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 918         New dtor.
 919         (Sized_dwarf_line_info::buffer_start_): New data member.
 920         * merge.cc (Output_merge_data::do_add_input_section): Call
 921         Object::decompressed_section_contents.
 922         (Output_merge_string::do_add_input_section): Likewise.
 923         * object.cc (need_decompressed_section): New function.
 924         (build_compressed_section_map): Decompress sections needed later.
 925         (Sized_relobj_file::do_decompressed_section_contents): New function.
 926         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 927         * object.h (Object::decompressed_section_contents): New function.
 928         (Object::discard_decompressed_sections): New function.
 929         (Object::do_decompressed_section_contents): New function.
 930         (Object::do_discard_decompressed_sections): New function.
 931         (Compressed_section_info): New type.
 932         (Compressed_section_map): Include decompressed section contents.
 933         (Sized_relobj_file::do_decompressed_section_contents): New function.
 934         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 935
 936 2012-02-16  Cary Coutant  <ccoutant@google.com>
 937
 938         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 939         * testsuite/Makefile.in: Regenerate.
 940
 941 2012-02-14  Cary Coutant  <ccoutant@google.com>
 942
 943         * options.cc (General_options::finalize): Disallow -pie and -static.
 944
 945 2012-02-03  Doug Kwan  <dougkwan@google.com>
 946
 947         * arm.cc (Arm_relocate_functions::abs8,
 948         Arm_relocate_functions::abs16): Use
 949         Bits::has_signed_unsigned_overflow32.
 950         (Arm_relocate_functions::thm_abs8): Correct range of
 951         overflow check.
 952         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 953         in assertions.
 954
 955 2012-02-02  Doug Kwan  <dougkwan@google.com>
 956
 957         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 958         position independent outputs, not just shared objects.
 959
 960 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 961
 962         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 963         * configure: Regenerated.
 964
 965 2012-01-27  Ian Lance Taylor  <iant@google.com>
 966
 967         * reloc.h (Bits): New class with static functions, copied from
 968         namespace utils in arm.cc.
 969         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 970         instead.
 971
 972 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 973
 974         * incremental.cc (write_info_blocks): Correct relocation offset.
 975
 976 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 977
 978         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 979         (Relocate::tls_gd_to_le): Likewise.
 980
 981 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 982
 983         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 984
 985 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 986
 987         * configure.ac: Check if -mcmodel=medium works.
 988         * configure: Regenerated.
 989
 990 2012-01-24  Cary Coutant  <ccoutant@google.com>
 991
 992         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 993         definition and ...
 994         (read_unsigned_LEB_128_x): ... this new function.
 995         (read_signed_LEB_128): Replaced with inline definition and ...
 996         (read_signed_LEB_128_x): ... this new function.
 997         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 998         (read_unsigned_LEB_128): Add inline definition.
 999         (read_signed_LEB_128_x): New function.
1000         (read_signed_LEB_128): Add inline definition.
1001         * testsuite/Makefile.am (leb128_unittest): New unit test.
1002         * testsuite/Makefile.in: Regenerate.
1003         * testsuite/leb128_unittest.cc: New unit test.
1004
1005 2012-01-23  Ian Lance Taylor  <iant@google.com>
1006
1007         PR gold/13617
1008         * i386.cc (Target_i386::do_code_fill): When using a jmp
1009         instruction, pad with nop instructions.
1010         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1011
1012 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1013
1014         * x86_64.cc (gc_process_relocs): Add typename on types used in
1015         template.
1016         (scan_relocs): Likewise.
1017         (relocate_section): Likewise.
1018         (apply_relocation): Likewise.
1019
1020 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1021
1022         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
1023         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
1024         under x32.
1025
1026 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
1027
1028         * x86_64.cc: Initial support for x32.
1029
1030 2012-01-03  Cary Coutant  <ccoutant@google.com>
1031
1032         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
1033         Use abstract base class for GOT.
1034         * gold/output.h (class Output_data_got_base): New abstract base class.
1035         (class Output_data_got): Derive from new base class, adjust ctors.
1036         (Output_data_got::reserve_slot): Make virtual; rename to
1037         do_reserve_slot; Adjust callers.
1038         * gold/target.h (Sized_target::init_got_plt_for_update): Return
1039         pointer to abstract base class.
1040         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
1041
1042 2011-12-18  Ian Lance Taylor  <iant@google.com>
1043
1044         * object.h (Relobj::local_symbol_value): New function.
1045         (Relobj::local_plt_offset): New function.
1046         (Relobj::local_has_got_offset): New function.
1047         (Relobj::local_got_offset): New function.
1048         (Relobj::set_local_got_offset): New function.
1049         (Relobj::do_local_symbol_value): New pure virtual function.
1050         (Relobj::do_local_plt_offset): Likewise.
1051         (Relobj::do_local_has_got_offset): Likewise.
1052         (Relobj::do_local_got_offset): Likewise.
1053         (Relobj::do_set_local_got_offset): Likewise.
1054         (Sized_relobj::do_local_has_got_offset): Rename from
1055         local_has_got_offset.
1056         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
1057         (Sized_relobj::do_set_local_got_offset): Rename from
1058         set_local_got_offset.
1059         (Sized_relobj_file::do_local_plt_offset): Rename from
1060         local_plt_offset.
1061         (Sized_relobj_file::do_local_symbol_value): New function.
1062         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
1063         local_plt_offset.
1064         * output.cc (Output_data_got::Got_entry::write): Change object to
1065         Relobj.  Use local_symbol_value.
1066         (Output_data_got::add_global_with_rel): Change rel_dyn to
1067         Output_data_reloc_generic*.  Use add_global_generic.
1068         (Output_data_got::add_global_with_rela): Remove.  Change all
1069         callers to use add_global_with_rel.
1070         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
1071         Output_data_reloc_generic*.  Use add_global_generic.
1072         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
1073         callers to use add_global_pair_with_rel.
1074         (Output_data_got::add_local): Change object to Relobj*.
1075         (Output_data_got::add_local_plt): Likewise.
1076         (Output_data_got::add_local_with_rel): Change object to Relobj*,
1077         change rel_dyn to Output_data_reloc_generic*.  Use
1078         add_local_generic.
1079         (Output_data_got::add_local_with_rela): Remove.  Change all
1080         callers to use all_local_with_rel.
1081         (Output_data_got::add_local_pair_with_rel): Change object to
1082         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
1083         add_output_section_generic.
1084         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
1085         callers to use add_local_pair_with_rel.
1086         (Output_data_got::reserve_local): Change object to Relobj*.
1087         * output.h: (class Output_data_reloc_generic): Add pure virtual
1088         declarations for add_global_generic, add_local_generic,
1089         add_output_section_generic.
1090         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
1091         functions for Output_data_reloc_generic.  Update declarations for
1092         changes listed in output.cc.
1093         (class Output_data_got): Change template parameter to got_size.
1094         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
1095         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
1096         function.
1097         (Sized_relobj_incr::do_local_plt_offset): New function.
1098         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
1099         add_global_generic.
1100
1101 2011-12-17  Cary Coutant  <ccoutant@google.com>
1102
1103         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
1104         * resolve.cc (Symbol_table::resolve): Likewise.
1105         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
1106         arrays.
1107         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1108
1109 2011-12-16  Ian Lance Taylor  <iant@google.com>
1110
1111         * output.h (Output_data_reloc_generic::add): Only call
1112         add_dynamic_reloc if this is a dynamic reloc section.
1113
1114 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
1115
1116         PR gold/13505
1117         * target-reloc.h (apply_relocation): Replace <64, false> with
1118         <size, big_endian>.
1119
1120 2011-11-25  Nick Clifton  <nickc@redhat.com>
1121
1122         * po/it.po: New Italian translation.
1123
1124 2011-11-17  Sterling Augustine  <saugustine@google.com>
1125
1126         * script.cc (script_include_directive): Implement.
1127         (read_script_file): New local variables name and search_path. Update
1128         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
1129         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
1130         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
1131
1132 2011-11-11  Sterling Augustine  <saugustine@google.com>
1133
1134         * yyscript.y (section_cmd): Add support for INCLUDE directive.
1135         (file_or_sections_cmd): Likewise.
1136
1137 2011-11-11  Doug Kwan  <dougkwan@google.com>
1138
1139         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
1140         if --just-symbols is given.
1141
1142 2011-11-10  Doug Kwan  <dougkwan@google.com>
1143
1144         PR gold/13362
1145         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
1146         when processing data relocs.
1147         * reloc.h (Relocate_functions::rel_unaligned): New method.
1148         (Relocate_functions::pcrel_unaligned): Ditto.
1149         (Relocate_functions::rel32_unaligned): Ditto.
1150         (Relocate_functions::pcrel32_unaligned): Ditto.
1151
1152 2011-11-09  Doug Kwan  <dougkwan@google.com>
1153
1154         PR gold/13362
1155         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
1156         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
1157         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
1158         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1159         (Relocate_functions::rel_unaligned): New.
1160         (Relocate_functions::rel32_unaligned): New.
1161         * target-reloc.h (relocate_for_relocatable): Add code to handle
1162         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1163         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
1164         arm_unaligned_reloc_r): New targets.
1165         * testsuite/Makefile.in: Regenerate.
1166         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
1167         linking.
1168
1169 2011-11-02  Ian Lance Taylor  <iant@google.com>
1170
1171         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
1172         NATIVE_LINKER.
1173         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
1174         * options.cc (General_options::finalize): Use library search path
1175         from configure script if specified.  If not native and no sysroot,
1176         only search TOOLLIBDIR.
1177         * options.h (Search_directory::Search_directory): Change name to
1178         const std::string&.
1179         (General_options::add_to_library_path_with_sysroot): Change arg to
1180         const std::string&.
1181         * configure, Makefile.in, config.in: Rebuild.
1182
1183 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1184
1185         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
1186         we are working around the ARM1176 Erratum.
1187         * options.h (General_options::fix_arm1176): Add option.
1188         * testsuite/Makefile.am: Add testcases, and keep current ones
1189         working.
1190         * testsuite/Makefile.in: Regenerate.
1191         * testsuite/arm_fix_1176.s: New file.
1192         * testsuite/arm_fix_1176.sh: Likewise.
1193
1194 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1195
1196         * arm.cc (Target_arm::Target_arm): Remove initialisation of
1197         may_use_blx_.
1198         (Target_arm::may_use_blx): Remove method.
1199         (Target_arm::set_may_use_blx): Likewise.
1200         (Target_arm::may_use_v4t_interworking): New method.
1201         (Target_arm::may_use_v5t_interworking): Likewise.
1202         (Target_arm::may_use_blx_): Remove member variable.
1203         (Arm_relocate_functions::arm_branch_common): Check for v5T
1204         interworking.
1205         (Arm_relocate_functions::thumb_branch_common): Likewise.
1206         (Reloc_stub::stub_type_for_reloc): Likewise.
1207         (Target_arm::do_finalize_sections): Correct interworking checks.
1208         * testsuite/Makefile.am: Add new tests.
1209         * testsuite/Makefile.in: Regenerate.
1210         * testsuite/arm_farcall_arm_arm.s: New test.
1211         * testsuite/arm_farcall_arm_arm.sh: Likewise.
1212         * testsuite/arm_farcall_arm_thumb.s: Likewise.
1213         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
1214         * testsuite/arm_farcall_thumb_arm.s: Likewise.
1215         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
1216         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
1217         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
1218
1219 2011-10-31  Cary Coutant  <ccoutant@google.com>
1220
1221         PR gold/13023
1222         * expression.cc (Expression::eval_with_dot): Add
1223         is_section_dot_assignment parameter.
1224         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
1225         absolute and assigning to dot within a section.
1226         * script-sections.cc
1227         (Output_section_element_assignment::set_section_addresses): Pass
1228         dot_section to set_if_absolute.
1229         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
1230         as is_section_dot_assignment flag to eval_with_dot.
1231         (Output_section_element_dot_assignment::set_section_addresses):
1232         Likewise.
1233         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
1234         parameter.  Also set value if relative to dot_section; set the
1235         symbol's output_section.
1236         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
1237         parameter.  Adjust all callers.
1238         (Expression::eval_maybe_dot): Likewise.
1239         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
1240         Adjust all callers.
1241         * testsuite/script_test_2.t: Test assignment of an absolute value
1242         to dot within an output section element.
1243
1244 2011-10-31  Cary Coutant  <ccoutant@google.com>
1245
1246         * options.h (class General_options): Add --[no-]gnu-unique options.
1247         * symtab.cc (Symbol_table::sized_write_globals): Convert
1248         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
1249
1250 2011-10-31  Cary Coutant  <ccoutant@google.com>
1251
1252         PR gold/13359
1253         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
1254         unnecessary assertion.
1255         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
1256
1257 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
1258
1259         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1260         gc_mark_symbol.
1261         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1262         gc_mark_symbol.
1263         Change to just keep the section associated with symbol.
1264         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
1265         they are externally visible and --export-dynamic is turned on.
1266         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
1267
1268 2011-10-19  Ian Lance Taylor  <iant@google.com>
1269
1270         PR gold/13163
1271         * script-sections.cc
1272         (Output_section_element_dot_assignment::needs_output_section): New
1273         function.
1274
1275 2011-10-19  Ian Lance Taylor  <iant@google.com>
1276
1277         PR gold/13204
1278         * layout.cc (Layout::segment_precedes): Don't assert failure if a
1279         --section-start option was seen.
1280         * options.h (General_options::any_section_start): New function.
1281
1282 2011-10-18  David S. Miller  <davem@davemloft.net>
1283
1284         PR binutils/13301
1285         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
1286         member to track relocation locations that have moved during TLS
1287         reloc optimizations.
1288         (Target_sparc::Relocate::Relocate): Initialize to NULL.
1289         (Target_sparc::Relocate::relocate): Adjust view down by 4
1290         bytes if it matches reloc_adjust_addr_.
1291         (Target_sparc::Relocate::relocate_tls): Always move the
1292         __tls_get_addr call delay slot instruction forward 4 bytes when
1293         performing relaxation.
1294
1295 2011-10-18  Cary Coutant  <ccoutant@google.com>
1296
1297         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
1298         (Output_file::map_no_anonymous): Check for non-zero
1299         return code from posix_fallocate.
1300
1301 2011-10-17  Cary Coutant  <ccoutant@google.com>
1302
1303         PR gold/13245
1304         * plugin.cc (is_visible_from_outside): Check for symbols
1305         referenced from dynamic objects.
1306         * resolve.cc (Symbol_table::resolve): Don't count references
1307         from dynamic objects as references from real ELF files.
1308         * testsuite/plugin_test_2.sh: Adjust expected result.
1309
1310 2011-10-17  Cary Coutant  <ccoutant@google.com>
1311
1312         * gold.cc: Include timer.h.
1313         (queue_middle_tasks): Stamp time.
1314         (queue_final_tasks): Likewise.
1315         * main.cc (main): Store timer in parameters.  Print timers
1316         for each pass.
1317         * parameters.cc (Parameters::Parameters): Initialize timer_.
1318         (Parameters::set_timer): New function.
1319         (set_parameters_timer): New function.
1320         * parameters.h (Parameters::set_timer): New function.
1321         (Parameters::timer): New function.
1322         (Parameters::timer_): New data member.
1323         (set_parameters_timer): New function.
1324         * timer.cc (Timer::stamp): New function.
1325         (Timer::get_pass_time): New function.
1326         * timer.h (Timer::stamp): New function.
1327         (Timer::get_pass_time): New function.
1328         (Timer::pass_times_): New data member.
1329
1330 2011-10-17  Cary Coutant  <ccoutant@google.com>
1331
1332         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1333         task for members of lib groups.
1334
1335 2011-10-17  Cary Coutant  <ccoutant@google.com>
1336
1337         PR gold/13288
1338         * fileread.cc (File_read::find_view): Add assert.
1339         (File_read::make_view): Move bounds check (replace with assert)...
1340         (File_read::find_or_make_view): ... to here.
1341
1342 2011-10-12  Cary Coutant  <ccoutant@google.com>
1343
1344         * output.cc (Output_file::open_base_file): Handle case where
1345         ::read returns less than requested size.
1346
1347 2011-10-10  Cary Coutant  <ccoutant@google.com>
1348
1349         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1350         Initialize defined_count_.
1351         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1352         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1353         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1354         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1355         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1356         * incremental.h (Sized_relobj_incr::defined_count_): New data
1357         member.
1358         (Sized_incr_dynobj::defined_count_): New data member.
1359         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1360         Return zeroes instead of internal error.
1361
1362 2011-10-10  Cary Coutant  <ccoutant@google.com>
1363
1364         PR gold/13249
1365         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1366         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1367         * output.h (class Output_reloc): Add use_plt_offset flag.
1368         (Output_reloc::type_): Adjust size of bit field.
1369         (Output_reloc::use_plt_offset_): New bit field.
1370         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1371         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1372         flag.  Adjust all callers.
1373         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1374         creating RELATIVE relocations.
1375
1376 2011-10-10  Nick Clifton  <nickc@redhat.com>
1377
1378         * po/es.po: Updated Spanish translation.
1379         * po/fi.po: Updated Finnish translation.
1380
1381 2011-10-03   Diego Novillo  <dnovillo@google.com>
1382
1383         * options.cc (parse_uint): Fix dereference of RETVAL.
1384
1385 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1386
1387         * layout.h (section_order_map_): New member.
1388         (get_section_order_map): New member function.
1389         * output.cc (Output_section::add_input_section): Check for patterns
1390         only when --section-ordering-file is specified.
1391         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1392         output_sections have been formed.
1393         * layout.cc (Layout_Layout): Initialize section_order_map_.
1394         * plugin.cc (update_section_order): Store order in order_map. Do not
1395         update the order.
1396         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1397         * testsuite/Makefile.in: Regenerate.
1398         * testsuite/plugin_section_order.c: New file.
1399         * testsuite/plugin_final_layout.cc: New file.
1400         * testsuite/plugin_final_layout.sh: New file.
1401
1402 2011-09-29  Cary Coutant  <ccoutant@google.com>
1403
1404         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1405         Check for NULL.
1406         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1407         symbols during incremental update.
1408         (Symbol_table::add_from_dynobj): Likewise.
1409
1410 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1411             Ian Lance Taylor  <iant@google.com>
1412
1413         * symtab.cc (Symbol_table::define_special_symbol): Always
1414         canonicalize version string.
1415
1416 2011-09-26  Cary Coutant  <ccoutant@google.com>
1417
1418         * gold.cc (queue_initial_tasks): Move option checks ...
1419         * options.cc (General_options::finalize): ... to here. Disable
1420         some options; make others fatal.
1421
1422 2011-09-26  Cary Coutant  <ccoutant@google.com>
1423
1424         gcc PR lto/47247
1425         * plugin.cc (get_symbols_v2): New function.
1426         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1427         (is_referenced_from_outside): New function.
1428         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1429         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1430         (get_symbols): Pass version parameter.
1431         (get_symbols_v2): New function.
1432         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1433         parameter.
1434         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
1435         (onload): Add LDPT_GET_SYMBOLS_V2.
1436         (all_symbols_read_hook): Use get_symbols_v2; check for
1437         LDPR_PREVAILING_DEF_IRONLY_EXP.
1438         * testsuite/plugin_test_3.sh: Update expected results.
1439
1440 2011-09-23  Simon Baldwin  <simonb@google.com>
1441
1442         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
1443         configuration options.
1444         * configure: Regenerate.
1445         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
1446         * Makefile.in: Regenerate.
1447         * testsuite/Makefile.in: Regenerate.
1448
1449 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
1450
1451         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
1452
1453 2011-09-19  Cary Coutant  <ccoutant@google.com>
1454
1455         * incremental.cc (can_incremental_update): Fix typo in comment.
1456         * incremental.h (can_incremental_update): Likewise.
1457
1458 2011-09-18  Cary Coutant  <ccoutant@google.com>
1459
1460         * incremental.cc (can_incremental_update): New function.
1461         * incremental.h (can_incremental_update): New function.
1462         * layout.cc (Layout::init_fixed_output_section): Call it.
1463         (Layout::make_output_section): Don't allow patch space in .eh_frame.
1464         * object.cc (Sized_relobj_file::do_layout): Call
1465         can_incremental_update.
1466
1467 2011-09-13  Cary Coutant  <ccoutant@google.com>
1468
1469         * configure.ac: Check for glibc support for gnu_indirect_function
1470         support with static linking, setting automake conditional
1471         IFUNC_STATIC.
1472         * Makefile.in: Regenerate.
1473         * configure: Regenerate.
1474
1475         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
1476         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
1477         for IFUNC_STATIC.
1478         * testsuite/Makefile.in: Regenerate.
1479
1480 2011-09-13  Cary Coutant  <ccoutant@google.com>
1481
1482         * incremental.cc (Sized_relobj_incr::do_layout): Call
1483         report_comdat_group for kept comdat sections.
1484         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
1485         * testsuite/Makefile.in: Regenerate.
1486         * testsuite/incr_comdat_test_1.cc: New source file.
1487         * testsuite/incr_comdat_test_2_v1.cc: New source file.
1488         * testsuite/incr_comdat_test_2_v2.cc: New source file.
1489         * testsuite/incr_comdat_test_2_v3.cc: New source file.
1490
1491 2011-09-13  Ian Lance Taylor  <iant@google.com>
1492
1493         * object.cc (Sized_relobj_file::do_layout): Remove unused local
1494         variable external_symbols_offset.
1495
1496 2011-09-12  Ian Lance Taylor  <iant@google.com>
1497
1498         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
1499         triggered if object has no symbols.
1500
1501 2011-09-09  David S. Miller  <davem@davemloft.net>
1502
1503         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
1504         (Output_fill_debug_line::do_write): Likewise.
1505
1506 2011-08-29  Cary Coutant  <ccoutant@google.com>
1507
1508         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
1509         casts to match formatting specs.
1510         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
1511
1512 2011-08-26  Cary Coutant  <ccoutant@google.com>
1513
1514         * layout.cc (Free_list::allocate): Provide guarantee of minimum
1515         remaining hole size when allocating.
1516         (Layout::make_output_section): Set fill methods for debug sections.
1517         * layout.h (Free_list::Free_list_node): Move from private to
1518         public.
1519         (Free_list::set_min_hole_size): New function.
1520         (Free_list::begin, Free_list::end): New functions.
1521         (Free_list::min_hole_): New data member.
1522         * output.cc: Include dwarf.h.
1523         (Output_fill_debug_info::do_minimum_hole_size): New function.
1524         (Output_fill_debug_info::do_write): New function.
1525         (Output_fill_debug_line::do_minimum_hole_size): New function.
1526         (Output_fill_debug_line::do_write): New function.
1527         (Output_section::Output_section): Initialize new data member.
1528         (Output_section::set_final_data_size): Ensure patch space is larger
1529         than minimum hole size.
1530         (Output_section::do_write): Fill holes in debug sections.
1531         * output.h (Output_fill): New class.
1532         (Output_fill_debug_info): New class.
1533         (Output_fill_debug_line): New class.
1534         (Output_section::set_free_space_fill): New function.
1535         (Output_section::free_space_fill_): New data member.
1536         * testsuite/Makefile.am (incremental_test_3): Add
1537         --incremental-patch option.
1538         (incremental_test_4): Likewise.
1539         (incremental_test_5): Likewise.
1540         (incremental_test_6): Likewise.
1541         (incremental_copy_test): Likewise.
1542         (incremental_common_test_1): Likewise.
1543         * testsuite/Makefile.in: Regenerate.
1544
1545 2011-08-26  Nick Clifton  <nickc@redhat.com>
1546
1547         * po/es.po: Updated Spanish translation.
1548
1549 2011-08-01  Cary Coutant  <ccoutant@google.com>
1550
1551         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
1552         * gold/testsuite/Makefile.in: Regenerate.
1553         * gold/testsuite/justsyms_exec.c: New source file.
1554         * gold/testsuite/justsyms_lib.c: New source file.
1555
1556 2011-08-01  Cary Coutant  <ccoutant@google.com>
1557
1558         * layout.cc (Layout::set_segment_offsets): Don't realign text
1559         segment if -Ttext was specified.
1560         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
1561         file type.
1562         * object.h (Sized_relobj_file::e_type): New function.
1563         (Sized_relobj_file::e_type_): New data member.
1564         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
1565         base address for ET_EXEC files.
1566         * target.cc (Target::do_make_elf_object_implementation): Allow
1567         ET_EXEC files with --just-symbols option.
1568
1569 2011-07-28  Cary Coutant  <ccoutant@google.com>
1570
1571         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
1572         Add thread_number parameter.
1573         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
1574         * workqueue-threads.cc
1575         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
1576         current thread if its thread number is greater than desired thread
1577         count.
1578         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
1579         Add thread_number parameter.
1580         (Workqueue::should_cancel_thread): Likewise.
1581         (Workqueue::find_runnable_or_wait): Pass thread_number to
1582         should_cancel_thread.
1583         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
1584         parameter.
1585
1586 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
1587
1588         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
1589         only after checking if it cannot be forced local.
1590         * symtab.h (is_externally_visible): Check if the symbol is not forced
1591         local.
1592
1593 2011-07-15  Ian Lance Taylor  <iant@google.com>
1594
1595         * options.h (class General_options): Add --print-output-format.
1596         Move -EL next to -EB, for  better --help output.
1597         * target-select.cc: Include <cstdio>, "options.h", and
1598         "parameters.h".
1599         (Target_selector::do_target_bfd_name): New function.
1600         (print_output_format): New function.
1601         * target-select.h (class Target_selector): Update declarations.
1602         (Target_selector::target_bfd_name): New function.
1603         (print_output_format): Declare.
1604         * main.cc: Include "target-select.h".
1605         (main): Handle --print-output-format.
1606         * gold.cc: Include "target-select.h".
1607         (queue_initial_tasks): Handle --print-output-format when there are
1608         no input files.
1609         * parameters.cc (parameters_force_valid_target): Give a better
1610         error message if -EB/-EL does not match target.
1611         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
1612         function.
1613
1614 2011-07-15  Ian Lance Taylor  <iant@google.com>
1615
1616         * i386.cc (class Output_data_plt_i386): Add layout_ field.
1617         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
1618         (Output_data_plt_i386::do_write): Write address of .dynamic
1619         section to first entry in .got.plt section.
1620         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
1621         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1622         Initialize layout_.
1623         (Output_data_plt_x86_64::do_write): Write address of .dynamic
1624         section to first entry in .got.plt section.
1625         * layout.h (Layout::dynamic_section): New function.
1626
1627 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
1628
1629         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
1630         to claim_file call.
1631         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
1632         input_section_position_, and input_section_glob_.
1633         (read_layout_from_file): Call function section_ordering_specified.
1634         * layout.h (is_section_ordering_specified): New function.
1635         (section_ordering_specified): New function.
1636         (section_ordering_specified_): New boolean member.
1637         * main.cc(main): Call load_plugins after layout object is defined.
1638         * output.cc (Output_section::add_input_section): Use
1639         function section_ordering_specified to check if section ordering is
1640         needed.
1641         * output.cc (Output_section::add_relaxed_input_section): Use
1642         function section_ordering_specified to check if section ordering is
1643         needed.
1644         (Output_section::update_section_layout): New function.
1645         (Output_section::sort_attached_input_sections): Check if input section
1646         must be reordered.
1647         * output.h (Output_section::update_section_layout): New function.
1648         * plugin.cc (get_section_count): New function.
1649         (get_section_type): New function.
1650         (get_section_name): New function.
1651         (get_section_contents): New function.
1652         (update_section_order): New function.
1653         (allow_section_ordering): New function.
1654         (Plugin::load): Add the new interfaces to the transfer vector.
1655         (Plugin_manager::load_plugins): New parameter.
1656         (Plugin_manager::all_symbols_read): New parameter.
1657         (Plugin_manager::claim_file): New parameter. Save the elf object for
1658         unclaimed objects.
1659         (Plugin_manager::get_elf_object): New function.
1660         (Plugin_manager::get_view): Change to directly use the bool to check
1661         if get_view is called from claim_file_hook.
1662         * plugin.h (input_objects): New function
1663         (Plugin__manager::load_plugins): New parameter.
1664         (Plugin_manager::claim_file): New parameter.
1665         (Plugin_manager::get_elf_object): New function.
1666         (Plugin_manager::in_claim_file_handler): New function.
1667         (Plugin_manager::in_claim_file_handler_): New member.
1668         (layout): New function.
1669         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
1670         handler with an extra parameter. Make the elf object before calling
1671         claim_file handler.
1672         * testsuite/plugin_test.c (get_section_count): New function pointer.
1673         (get_section_type): New function pointer.
1674         (get_section_name): New function pointer.
1675         (get_section_contents): New function pointer.
1676         (update_section_order): New function pointer.
1677         (allow_section_ordering): New function pointer.
1678         (onload): Check if the new interfaces exist.
1679
1680 2011-07-13  Ian Lance Taylor  <iant@google.com>
1681
1682         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
1683         relro section.
1684         * x86_64.cc (Target_x86_64::got_section): Likewise.
1685         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
1686         (relro_now_test_SOURCES): New variable.
1687         (relro_now_test_DEPENDENCIES): New variable.
1688         (relro_now_test_LDFLAGS): New variable.
1689         (relro_now_test_LDADD): New variable.
1690         (relro_now_test.so): New target.
1691         * testsuite/Makefile.in: Rebuild.
1692
1693 2011-07-12  Ian Lance Taylor  <iant@google.com>
1694
1695         PR gold/12980
1696         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
1697         GLOB_DAT relocation rather than a RELATIVE relocation for a
1698         protected symbol when creating a shared library.
1699         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1700         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
1701         * testsuite/protected_main_1.cc (main): Test that protected
1702         function has same address.
1703
1704 2011-07-11  Ian Lance Taylor  <iant@google.com>
1705
1706         PR gold/12979
1707         * options.h (class General_options): Add -Bgroup.
1708         * options.cc (General_options::finalize): If -Bgroup is set,
1709         default to --unresolved-symbols=report-all.
1710         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
1711         * target-reloc.h (issue_undefined_symbol_error): Handle
1712         --unresolved-symbols=report-all.
1713
1714 2011-07-08  Ian Lance Taylor  <iant@google.com>
1715
1716         PR gold/11985
1717         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
1718         if linker script discards key sections.
1719         (Layout::create_dynamic_symtab): Likewise.
1720         (Layout::assign_local_dynsym_offsets): Likewise.
1721         (Layout::sized_create_version_sections): Likewise.
1722         (Layout::create_interp): Likewise.
1723         (Layout::finish_dynamic_section): Likewise.
1724         (Layout::set_dynamic_symbol_size): Likewise.
1725
1726 2011-07-08  Ian Lance Taylor  <iant@google.com>
1727
1728         PR gold/12386
1729         * options.h (class General_options): Add --unresolved-symbols.
1730         * target-reloc.h (issue_undefined_symbol_error): Check
1731         --unresolved-symbols.  Add comments.
1732
1733 2011-07-08  Ian Lance Taylor  <iant@google.com>
1734
1735         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1736         expression more complex.
1737
1738 2011-07-08  Ian Lance Taylor  <iant@google.com>
1739
1740         PR gold/11317
1741         * target-reloc.h (issue_undefined_symbol_error): New inline
1742         function, broken out of relocate_section.
1743         (relocate_section): Call issue_undefined_symbol_error.
1744         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1745         there is no TLS segment if we are about to issue an undefined
1746         symbol error.
1747         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1748
1749 2011-07-08  Ian Lance Taylor  <iant@google.com>
1750
1751         PR gold/12279
1752         * resolve.cc (Symbol_table::should_override): Add fromtype
1753         parameter.  Change all callers.  Give error when linking together
1754         TLS and non-TLS symbol.
1755         (Symbol_table::should_override_with_special): Add fromtype
1756         parameter.  Change all callers.
1757         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1758         there is no TLS segment if we have reported some errors.
1759         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1760
1761 2011-07-08  Ian Lance Taylor  <iant@google.com>
1762
1763         PR gold/12372
1764         * target.h (Target::plt_address_for_global): New function.
1765         (Target::plt_address_for_local): New function.
1766         (Target::plt_section_for_global): Remove.
1767         (Target::plt_section_for_local): Remove.
1768         (Target::do_plt_address_for_global): New virtual function.
1769         (Target::do_plt_address_for_local): New virtual function.
1770         (Target::do_plt_section_for_global): Remove.
1771         (Target::do_plt_section_for_local): Remove.
1772         (Target::register_global_plt_entry): Add Symbol_table and Layout
1773         parameters.
1774         * output.cc (Output_data_got::Got_entry::write): Use
1775         plt_address_for_global and plt_address_for_local.
1776         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1777         address of output section.
1778         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1779         got_irelative_, and irelative_count_ fields.  Update
1780         declarations.
1781         (Output_data_plt_i386::has_irelative_section): New function.
1782         (Output_data_plt_i386::entry_count): Add irelative_count_.
1783         (Output_data_plt_i386::set_final_data_size): Likewise.
1784         (class Target_i386): Add got_irelative_ and rel_irelative_
1785         fields.  Update declarations.
1786         (Target_i386::Target_i386): Initialize new fields.
1787         (Target_i386::do_plt_address_for_global): New function replacing
1788         do_plt_section_for_global.
1789         (Target_i386::do_plt_address_for_local): New function replacing
1790         do_plt_section_for_local.
1791         (Target_i386::got_section): Create got_irelative_.
1792         (Target_i386::rel_irelative_section): New function.
1793         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1794         fields.  Don't define __rel_iplt_{start,end}.
1795         (Output_data_plt_i386::add_entry): Add symtab and layout
1796         parameters.  Change all callers.  Use different PLT and GOT for
1797         IFUNC symbols.
1798         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1799         layout parameters.  Change all callers.  Use different PLT and
1800         GOT.
1801         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1802         (Output_data_plt_i386::rel_irelative): New function.
1803         (Output_data_plt_i386::address_for_global): New function.
1804         (Output_data_plt_i386::address_for_local): New function.
1805         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1806         IRELATIVE GOT when changing IFUNC GOT entries.
1807         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1808         reloc.
1809         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1810         if we didn't create an IRELATIVE GOT.
1811         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1812         plt_address_for_local.
1813         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1814         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1815         got_irelative_, and irelative_count_ fields.  Update
1816         declarations.
1817         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1818         Initialize new fields.  Remove symtab parameter.  Change all
1819         callers.
1820         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1821         irelative_count_.
1822         (Output_data_plt_x86_64::has_irelative_section): New function.
1823         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1824         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1825         fields.  Update declarations.
1826         (Target_x86_64::Target_x86_64): Initialize new fields.
1827         (Target_x86_64::do_plt_address_for_global): New function replacing
1828         do_plt_section_for_global.
1829         (Target_x86_64::do_plt_address_for_local): New function replacing
1830         do_plt_section_for_local.
1831         (Target_x86_64::got_section): Create got_irelative_.
1832         (Target_x86_64::rela_irelative_section): New function.
1833         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1834         all callers.  Don't create __rel_iplt_{start,end}.
1835         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1836         parameters.  Change all callers.  Use different PLT and GOT for
1837         IFUNC symbols.
1838         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1839         layout parameters.  Change all callers.  Use different PLT and
1840         GOT.
1841         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1842         parameters.  Change all callers.  Use different PLT and GOT for
1843         IFUNC symbols.
1844         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1845         (Output_data_plt_x86_64::rela_irelative): New function.
1846         (Output_data_plt_x86_64::address_for_global): New function.
1847         (Output_data_plt_x86_64::address_for_local): New function.
1848         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1849         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1850         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1851         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1852         parameters.
1853         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1854         reloc.
1855         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1856         symbols if we didn't create an IRELATIVE GOT.
1857         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1858         plt_address_for_local.
1859         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1860         * testsuite/ifuncvar1.c: New test file.
1861         * testsuite/ifuncvar2.c: New test file.
1862         * testsuite/ifuncvar3.c: New test file.
1863         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1864         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1865         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1866         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1867         * testsuite/Makefile.in: Rebuild.
1868
1869 2011-07-07  Cary Coutant  <ccoutant@google.com>
1870
1871         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1872         (two_file_test_1_ndebug.o): Likewise.
1873         (two_file_test_1b_ndebug.o): Likewise.
1874         (two_file_test_2_ndebug.o): Likewise.
1875         (two_file_test_main_ndebug.o): Likewise.
1876         (incremental_test_2): Link with no-debug versions.
1877
1878 2011-07-06  Cary Coutant  <ccoutant@google.com>
1879
1880         * gold/incremental.cc
1881         (Output_section_incremental_inputs::write_info_blocks): Check for
1882         hidden and internal symbols.
1883
1884 2011-07-06  Cary Coutant  <ccoutant@google.com>
1885
1886         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1887         Check disposition for startup file.
1888         (Incremental_inputs::report_command_line): Ignore
1889         --incremental-startup-unchanged option.
1890         * options.cc (General_options::parse_incremental_startup_unchanged):
1891         New function.
1892         (General_options::General_options): Initialize new data member.
1893         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1894         (General_options): Add --incremental-startup-unchanged option.
1895         (General_options::incremental_startup_disposition): New function.
1896         (General_options::incremental_startup_disposition_): New data member.
1897
1898 2011-07-06  Cary Coutant  <ccoutant@google.com>
1899
1900         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1901         input file index to Script_info ctor.
1902         (Sized_incremental_binary::do_file_has_changed): Find the
1903         command-line argument for files named in scripts.
1904         * incremental.h (Script_info::Script_info): New ctor
1905         with input file index.
1906         (Script_info::input_file_index): New function.
1907         (Script_info::input_file_index_): New data member.
1908         (Incremental_binary::get_library): Add const.
1909         (Incremental_binary::get_script_info): Add const.
1910         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1911         * testsuite/Makefile.am (incremental_test_5): New test case.
1912         (incremental_test_6): New test case.
1913         * testsuite/Makefile.in: Regenerate.
1914
1915 2011-07-06  Cary Coutant  <ccoutant@google.com>
1916
1917         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1918         debug output when command lines differ.
1919
1920 2011-07-06  Cary Coutant  <ccoutant@google.com>
1921
1922         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1923         --incremental-patch option.
1924         * layout.cc (Free_list::allocate): Extend allocation beyond original
1925         end if enabled.
1926         (Layout::make_output_section): Mark sections that should get
1927         patch space.
1928         * options.cc (parse_percent): New function.
1929         * options.h (parse_percent): New function.
1930         (DEFINE_percent): New macro.
1931         (General_options): Add --incremental-patch option.
1932         * output.cc (Output_section::Output_section): Initialize new data
1933         members.
1934         (Output_section::add_input_section): Print section name when out
1935         of patch space.
1936         (Output_section::add_output_section_data): Likewise.
1937         (Output_section::set_final_data_size): Add patch space when
1938         doing --incremental-full.
1939         (Output_section::do_reset_address_and_file_offset): Remove patch
1940         space.
1941         (Output_segment::set_section_list_addresses): Print debug output
1942         only if --incremental-update.
1943         * output.h (Output_section::set_is_patch_space_allowed): New function.
1944         (Output_section::is_patch_space_allowed_): New data member.
1945         (Output_section::patch_space_): New data member.
1946         * parameters.cc (Parameters::incremental_full): New function.
1947         * parameters.h (Parameters::incremental_full): New function
1948         * testsuite/Makefile.am (incremental_test_2): Add test for
1949         --incremental-patch option.
1950         * testsuite/Makefile.in: Regenerate.
1951         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1952         (t18): Remove function body.
1953
1954 2011-07-05  Doug Kwan  <dougkwan@google.com>
1955
1956         PR gold/12771
1957         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1958         Arm_Address type for relocation result.
1959         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1960         overflow check.
1961         (Arm_relocate_functions::abs32): Use unaligned access.
1962         (Arm_relocate_functions::rel32): Ditto.
1963         (Arm_relocate_functions::prel31): Ditto.
1964         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1965         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1966         static data relocations.
1967         * testsuite/Makefile.in: Regnerate.
1968         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1969
1970 2011-07-05  Ian Lance Taylor  <iant@google.com>
1971
1972         PR gold/12392
1973         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1974         symbols if necessary.
1975         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1976
1977 2011-07-05  Ian Lance Taylor  <iant@google.com>
1978
1979         PR gold/12952
1980         * resolve.cc (Symbol::override_base_with_special): Simply override
1981         version with special symbol version, ignoring previous version.
1982
1983 2011-07-05  Ian Lance Taylor  <iant@google.com>
1984
1985         * object.cc (Sized_relobj_file::include_section_group): Add
1986         information to comment about signature location.
1987
1988 2011-07-02  Ian Lance Taylor  <iant@google.com>
1989
1990         PR gold/12957
1991         * options.h (class General_options): Add -f and -F.
1992         * options.cc (General_options::finalize): Fatal error if -f/-F
1993         are used without -shared.
1994         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1995
1996 2011-07-02  Ian Lance Taylor  <iant@google.com>
1997
1998         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1999
2000 2011-07-01  Ian Lance Taylor  <iant@google.com>
2001
2002         PR gold/12525
2003         PR gold/12952
2004         * resolve.cc (Symbol::override_base_with_special): Don't override
2005         the version if the overriding symbol has a different name.
2006         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
2007         all callers.  If we give an error about an undefined version,
2008         define the base version if necessary.
2009         * dynobj.h (class Versions): Update declaration.
2010         * testsuite/weak_alias_test_5.cc: New file.
2011         * testsuite/weak_alias_test.script: New file.
2012         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
2013         and versioned_alias have the right value, and call t2.
2014         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
2015         weak_alias_test_5.so.
2016         (weak_alias_test_LDADD): Likewise.
2017         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
2018         * testsuite/Makefile.in: Rebuild.
2019
2020 2011-07-01  Ian Lance Taylor  <iant@google.com>
2021
2022         PR gold/12525
2023         * options.h (class General_options): Support -z notext.
2024         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
2025         -Wl,-z,notext.
2026         (two_file_shared_nonpic.so): Likewise.
2027         (two_file_shared_mixed.so): Likewise.
2028         (two_file_shared_mixed_1.so): Likewise.
2029         (weak_undef_lib_nonpic.so): Likewise.
2030         (alt/weak_undef_lib_nonpic.so): Likewise.
2031         (tls_test_shared_nonpic.so): Likewise.
2032         * testsuite/Makefile.in: Rebuild.
2033
2034 2011-07-01  Ian Lance Taylor  <iant@google.com>
2035
2036         PR gold/12525
2037         * configure.ac: Test whether static linking works, setting
2038         the automake conditional HAVE_STATIC.
2039         * testsuite/Makefile.am: Disable tests using -static if
2040         HAVE_STATIC is not true.
2041         * configure, testsuite/Makefile.in: Rebuild.
2042
2043 2011-07-01  Ian Lance Taylor  <iant@google.com>
2044
2045         PR gold/12525
2046         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
2047         Assert if we see DW_EH_PE_indirect.
2048         * target.h (Target::ehframe_datarel_base): New function.
2049         (Target::do_ehframe_datarel_base): New target function.
2050         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
2051         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
2052         function.
2053
2054 2011-07-01  Ian Lance Taylor  <iant@google.com>
2055
2056         PR gold/12571
2057         * options.h (class General_options): Add
2058         --ld-generated-unwind-info.
2059         * ehframe.cc (Fde::write): Add address parameter.  Change all
2060         callers.  If associated with PLT, fill in address and size.
2061         (Cie::set_output_offset): Only add merge mapping if there is an
2062         object.
2063         (Cie::write): Add address parameter.  Change all callers.
2064         (Eh_frame::add_ehframe_for_plt): New function.
2065         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
2066         input_offset_ fields into union u_, with new plt field.
2067         (Fde::Fde): Adjust for new union field.
2068         (Fde::Fde) [Output_data version]: New constructor.
2069         (Fde::add_mapping): Only add merge mapping if there is an object.
2070         (class Cie): Update declarations.
2071         (class Eh_frame): Declare add_ehframe_for_plt.
2072         * layout.cc (Layout::layout_eh_frame): Break out code into
2073         make_eh_frame_section, and call it.
2074         (Layout::make_eh_frame_section): New function.
2075         (Layout::add_eh_frame_for_plt): New function.
2076         * layout.h (class Layout): Update declarations.
2077         * merge.cc (Merge_map::add_mapping): Add assertion.
2078         * i386.cc: Include "dwarf.h".
2079         (class Output_data_plt_i386): Make first_plt_entry,
2080         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
2081         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2082         and plt_eh_frame_fde.
2083         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
2084         boundary.  Call add_eh_frame_for_plt if appropriate.
2085         * x86_64.cc: Include "dwarf.h".
2086         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
2087         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
2088         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2089         and plt_eh_frame_fde.
2090         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
2091         appropriate.
2092
2093 2011-06-29  Ian Lance Taylor  <iant@google.com>
2094
2095         PR gold/12629
2096         * object.cc (Sized_relobj_file::layout_section): Change shdr
2097         parameter to be const.
2098         (Sized_relobj_file::layout_eh_frame_section): New function, broken
2099         out of do_layout.
2100         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
2101         appropriate.  Call layout_eh_frame_section.
2102         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
2103         sections.
2104         * object.h (class Sized_relobj_file): Update declarations.
2105
2106 2011-06-29  Ian Lance Taylor  <iant@google.com>
2107
2108         PR gold/12652
2109         * script.cc (Token::integer_value): Accept trailing M/m/K/k
2110         modifier.
2111         (Lex::gather_token): Accept trailing M/m/K/k for integers.
2112
2113 2011-06-29  Ian Lance Taylor  <iant@google.com>
2114
2115         PR gold/12675
2116         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
2117         SHT_X86_64_UNWIND.
2118         * layout.cc (Layout::layout_eh_frame): Likewise.
2119
2120 2011-06-29  Ian Lance Taylor  <iant@google.com>
2121
2122         PR gold/12695
2123         * layout.cc (Layout::symtab_section_shndx): New function.
2124         * layout.h (class Layout): Declare symtab_section_shndx.
2125         * output.cc (Output_section::write_header): Call it.
2126
2127 2011-06-29  Ian Lance Taylor  <iant@google.com>
2128
2129         PR gold/12818
2130         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
2131         symbols which are not used in a relocation.
2132
2133 2011-06-28  Ian Lance Taylor  <iant@google.com>
2134
2135         PR gold/12898
2136         * layout.cc (Layout::segment_precedes): Don't crash if a linker
2137         script create indistinguishable segments.
2138         (Layout::set_segment_offsets): Use stable_sort when sorting
2139         segments.  Pass this to Compare_segments constructor.
2140         * layout.h (class Layout): Make segment_precedes non-static.
2141         (class Compare_segments): Change from struct to class.  Add
2142         layout_ field.  Add constructor.
2143         * script-sections.cc
2144         (Script_sections::attach_sections_using_phdrs_clause): Rename
2145         local orphan to is_orphan.  Don't report failure to put empty
2146         section in segment.  On attachment failure, report name of
2147         section, and attach to first PT_LOAD segment.
2148
2149 2011-06-28  Ian Lance Taylor  <iant@google.com>
2150
2151         PR gold/12934
2152         * target-select.cc (Target_selector::Target_selector): Add
2153         emulation parameter.  Change all callers.
2154         (select_target_by_bfd_name): Rename from select_target_by_name.
2155         Change all callers.
2156         (select_target_by_emulation): New function.
2157         (supported_emulation_names): New function.
2158         * target-select.h (class Target_selector): Add emulation_ field.
2159         Update declarations.
2160         (Target_selector::recognize_by_bfd_name): Rename from
2161         recognize_by_name.  Change all callers.
2162         (Target_selector::supported_bfd_names): Rename from
2163         supported_names.  Change all callers.
2164         (Target_selector::recognize_by_emulation): New function.
2165         (Target_selector::supported_emulations): New function.
2166         (Target_selector::emulation): New function.
2167         (Target_selector::do_recognize_by_bfd_name): Rename from
2168         do_recognize_by_name.  Change all callers.
2169         (Target_selector::do_supported_bfd_names): Rename from
2170         do_supported_names.  Change all callers.
2171         (Target_selector::do_recognize_by_emulation): New function.
2172         (Target_selector::do_supported_emulations): New function.
2173         (select_target_by_bfd_name): Change name in declaration.
2174         (select_target_by_emulation): Declare.
2175         (supported_emulation_names): Declare.
2176         * parameters.cc (parameters_force_valid_target): Try to find
2177         target based on emulation from -m option.
2178         * options.h (class General_options): Change doc string for -m.
2179         * options.cc (help): Print emulations.
2180         (General_options::parse_V): Likewise.
2181         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
2182         Add emulation parameter.  Change all callers.
2183
2184 2011-06-28  Ian Lance Taylor  <iant@google.com>
2185
2186         * target.h (class Target): Add osabi_ field.
2187         (Target::osabi): New function.
2188         (Target::set_osabi): New function.
2189         (Target::Target): Initialize osabi_.
2190         (Target::do_adjust_elf_header): Make pure virtual.
2191         (Sized_target::do_adjust_elf_header): Declare.
2192         * target.cc (Sized_target::do_adjust_elf_header): New function.
2193         (class Sized_target): Instantiate all versions.
2194         * freebsd.h (class Target_freebsd): Remove.
2195         (Target_selector_freebsd::do_recognize): Call set_osabi on
2196         Target.
2197         (Target_selector_freebsd::do_recognize_by_name): Likewise.
2198         (Target_selector_freebsd::set_osabi): Remove.
2199         * i386.cc (class Target_i386): Inherit from Sized_target rather
2200         than Target_freebsd.
2201         * x86_64.cc (class Target_x86_64): Likewise.
2202
2203 2011-06-28  Ian Lance Taylor  <iant@google.com>
2204
2205         * target.h (Target::can_check_for_function_pointers): Rewrite.
2206         Make non-virtual.
2207         (Target::can_icf_inline_merge_sections): Likewise.
2208         (Target::section_may_have_icf_unsafe_poineters): Likewise.
2209         (Target::Target_info): Add can_icf_inline_merge_sections field.
2210         (Target::do_can_check_for_function_pointers): New virtual
2211         function.
2212         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
2213         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
2214         from can_check_for_function_pointers, move in file.
2215         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
2216         section_may_have_icf_unsafe_poineters, move in file.
2217         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
2218         * i386.cc (Target_i386::do_can_check_for_function_pointers):
2219         Rename from can_check_for_function_pointers, move in file.
2220         (Target_i386::can_icf_inline_merge_sections): Remove.
2221         (Target_i386::i386_info): Initialize
2222         can_icf_inline_merge_sections.
2223         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2224         Initialize can_icf_inline_merge_sections.
2225         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
2226         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
2227         Rename from can_check_for_function_pointers, move in file.
2228         (Target_x86_64::can_icf_inline_merge_sections): Remove.
2229         (Target_x86_64::x86_64_info): Initialize
2230         can_icf_inline_merge_sections.
2231         * testsuite/testfile.cc (Target_test::test_target_info):
2232         Likewise.
2233         * icf.cc (get_section_contents): Correct formatting.
2234
2235 2011-06-27  Ian Lance Taylor  <iant@google.com>
2236
2237         * symtab.cc (Symbol::versioned_name): New function.
2238         (Symbol_table::add_to_final_symtab): Use versioned_name when
2239         appropriate.
2240         (Symbol_table::sized_write_symbol): Likewise.
2241         * symtab.h (class Symbol): Declare versioned_name.
2242         * stringpool.h (class Stringpool_template): Add variant of add
2243         which takes a std::basic_string.
2244         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
2245         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
2246         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
2247         (ver_test_12.o): New target.
2248         * testsuite/Makefile.in: Rebuild.
2249
2250 2011-06-27  Doug Kwan  <dougkwan@google.com>
2251
2252         * arm.cc (Arm_relocate_functions::thm_jump8,
2253         Arm_relocate_functions::thm_jump11): Use a wider signed
2254         type to compute offset.
2255         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
2256         arm_thm_jump8.
2257         * testsuite/Makefile.in: Regenerate.
2258         * testsuite/arm_branch_in_range.sh: Check test results of
2259         arm_thm_jump11 and arm_thm_jump8.
2260         * testsuite/arm_thm_jump11.s: New test source file.
2261         * testsuite/arm_thm_jump11.t: New linker script.
2262         * testsuite/arm_thm_jump8.s: New test source file.
2263         * testsuite/arm_thm_jump8.t: New linker script.
2264
2265 2011-06-24  Ian Lance Taylor  <iant@google.com>
2266
2267         * layout.cc: Include "object.h".
2268         (ctors_sections_in_init_array): New static variable.
2269         (Layout::is_ctors_in_init_array): New function.
2270         (Layout::layout): Add entry to ctors_sections_in_init_array if
2271         appropriate.
2272         * layout.h (class Layout): Declare is_ctors_in_init_array.
2273         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
2274         is_ctors_reverse_view is set.
2275         (Sized_relobj_file::write_sections): Add layout parameter.  Change
2276         all callers.  Set is_ctors_reverse_view field of View_size.
2277         (Sized_relobj_file::reverse_words): New function.
2278         * object.h (Sized_relobj_file::View_size): Add
2279         is_ctors_reverse_view field.
2280         (class Sized_relobj_file): Update declarations.
2281         * testsuite/initpri3.c: New test.
2282         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
2283         initpri3b.
2284         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
2285         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
2286         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
2287         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
2288         * testsuite/Makefile.in: Rebuild.
2289
2290 2011-06-24  Cary Coutant  <ccoutant@google.com>
2291
2292         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
2293         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
2294         (debug_msg_cdebug.err): New targets.
2295         * testsuite/Makefile.in: Regenerate.
2296         * testsuite/debug_msg.sh: Check output of link with compressed debug.
2297         Fix checks for link with shared library.
2298
2299 2011-06-24  Doug Kwan  <dougkwan@google.com>
2300
2301         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
2302         skip empty text sections.
2303         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
2304
2305 2011-06-22  Ian Lance Taylor  <iant@google.com>
2306
2307         PR gold/12910
2308         * options.h (class General_options): Add --ctors-in-init-array.
2309         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
2310         friends as SHT_PROGBITS for merging sections.
2311         (Layout::layout): Remove special handling of .init_array and
2312         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2313         and .dtors if ctors_in_init_array.
2314         (Layout::make_output_section): Force correct section types for
2315         .init_array and friends.  Don't sort if doing relocatable link,
2316         Don't sort .ctors and .dtors if ctors_in_init_array.
2317         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
2318         (Layout::output_section_name): Add relobj parameter.  Change all
2319         callers.  Handle .ctors. and .dtors. in code rather than table.
2320         Handle .ctors and .dtors if ctors_in_init_array.
2321         (Layout::match_file_name): New function, moved from output.cc.
2322         * layout.h (class Layout): Update declarations.
2323         * output.cc: Include "layout.h".
2324         (Input_section_sort_entry::get_priority): New function.
2325         (Input_section_sort_entry::match_file_name): Just call
2326         Layout::match_file_name.
2327         (Output_section::Input_section_sort_init_fini_compare::operator()):
2328         Handle .ctors and .dtors.  Sort by explicit priority rather than
2329         by name.
2330         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2331         * testsuite/initpri2.c: New test.
2332         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2333         (check_PROGRAMS): Add initpri2.
2334         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2335         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2336         * configure, testsuite/Makefile.in: Rebuild.
2337
2338 2011-06-19  Ian Lance Taylor  <iant@google.com>
2339
2340         PR gold/12880
2341         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2342         .interp section to a PT_INTERP segment even if we have seen a
2343         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2344         clause in a linker script.
2345         (Layout::finalize): Don't create a .interp section if we've
2346         already create a PT_INTERP segment.
2347         (Layout::create_interp): Always call choose_output_section (revert
2348         patch of 2011-06-17).  Don't create PT_INTERP segment.
2349         * script-sections.cc
2350         (Script_sections::create_note_and_tls_segments): Add a .interp
2351         section to a PT_INTERP segment even if we have seen a
2352         --dynamic-linker option.
2353
2354 2011-06-18  Ian Lance Taylor  <iant@google.com>
2355
2356         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2357         merely because a non-PT_LOAD segment has a dynamic reloc.
2358
2359 2011-06-18  Ian Lance Taylor  <iant@google.com>
2360
2361         * layout.cc (Layout::finish_dynamic_section): Don't create
2362         DT_FLAGS entry if not needed.
2363
2364 2011-06-18  Ian Lance Taylor  <iant@google.com>
2365
2366         PR gold/12745
2367         * layout.cc (Layout::layout_eh_frame): Correct handling of
2368         writable .eh_frame section.
2369
2370 2011-06-17  Ian Lance Taylor  <iant@google.com>
2371
2372         PR gold/12893
2373         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2374         symbol is redefined with the exact same object and value.
2375
2376 2011-06-17  Ian Lance Taylor  <iant@google.com>
2377
2378         PR gold/12880
2379         * layout.h (class Layout): Add interp_segment_ field.
2380         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2381         (Layout::attach_allocated_section_to_segment): If making shared
2382         library, put .interp section in PT_INTERP segment.
2383         (Layout::finalize): Also call create_interp if -dynamic-linker
2384         option was used.
2385         (Layout::create_interp): Assert that there is no PT_INTERP
2386         segment.  If not using a SECTIONS clause, use make_output_section.
2387         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2388         * script-sections.cc
2389         (Script_sections::create_note_and_tls_segments): If making shared
2390         library, put .interp section in PT_INTERP segment.
2391
2392 2011-06-17  Ian Lance Taylor  <iant@google.com>
2393
2394         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2395         when making a shared library.
2396
2397 2011-06-17  Ian Lance Taylor  <iant@google.com>
2398
2399         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2400         parameter.  Change all callers.  Don't issue warning about PC32
2401         against locally defined symbol.
2402
2403 2011-06-16  Ian Lance Taylor  <iant@google.com>
2404
2405         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2406         occurs in same object.
2407
2408 2011-06-14  Alan Modra  <amodra@gmail.com>
2409
2410         * po/POTFILES.in: Regenerate.
2411
2412 2011-06-09  Ian Lance Taylor  <iant@google.com>
2413
2414         * script-sections.cc
2415         (Orphan_output_section::set_section_addresses): For a relocatable
2416         link set address to 0.
2417
2418 2011-06-09  Cary Coutant  <ccoutant@google.com>
2419
2420         PR gold/12804
2421         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2422         used with --compress-debug-sections.
2423         * gold/object.cc (Sized_relobj_file::do_layout): Report
2424         uncompressed size of compressed input sections.
2425
2426 2011-06-08  Cary Coutant  <ccoutant@google.com>
2427
2428         PR gold/12804
2429         * testsuite/two_file_test_2_v1.cc: Change initialization of
2430         v2 to keep it in .data.
2431
2432 2011-06-07  Cary Coutant  <ccoutant@google.com>
2433
2434         * common.cc (Symbol_table::do_allocate_commons_list): Call
2435         gold_fallback.
2436         * errors.cc (Errors::fatal): Adjust call to gold_exit.
2437         (Errors::fallback): New function.
2438         (gold_fallback): New function.
2439         * errors.h (Errors::fallback): New function.
2440         * gold.cc (gold_exit): Change status parameter to enum; adjust
2441         all callers.
2442         (queue_initial_tasks): Call gold_fallback.
2443         * gold.h: Include cstdlib.
2444         (Exit_status): New enum type.
2445         (gold_exit): Change status parameter to enum.
2446         (gold_fallback): New function.
2447         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
2448         (Layout::create_symtab_sections): Likewise.
2449         (Layout::create_shdrs): Likewise.
2450         * main.cc (main): Adjust call to gold_exit.
2451         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
2452         (Output_data_got::add_got_entry_pair): Likewise.
2453         (Output_section::add_input_section): Likewise.
2454         (Output_section::add_output_section_data): Likewise.
2455         (Output_segment::set_section_list_addresses): Likewise.
2456         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
2457
2458 2011-06-07  Cary Coutant  <ccoutant@google.com>
2459
2460         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
2461         for incremental links.
2462         * output.cc (Output_segment::set_section_list_addresses): Remove
2463         FIXME and test for TLS or BSS.
2464
2465 2011-06-07  Cary Coutant  <ccoutant@google.com>
2466
2467         * testsuite/Makefile.am: Add incremental_copy_test,
2468         incremental_common_test_1.
2469         * testsuite/Makefile.in: Regenerate.
2470         * testsuite/common_test_1_v1.c: New source file.
2471         * testsuite/common_test_1_v2.c: New source file.
2472         * testsuite/copy_test_v1.cc: New source file.
2473
2474 2011-06-07  Cary Coutant  <ccoutant@google.com>
2475
2476         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
2477         update, allocate common from bss section's free list.
2478         * incremental-dump.cc (dump_incremental_inputs): Print flag for
2479         linker-defined symbols.
2480         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2481         Skip GOT and PLT entries that are no longer referenced.
2482         (Output_section_incremental_inputs::write_info_blocks): Mark
2483         linker-defined symbols.
2484         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
2485         * output.cc (Output_section::allocate): New function.
2486         * output.h (Output_section::allocate): New function.
2487         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
2488         linker-defined symbols.
2489         (Symbol::override_base_with_special): Copy is_predefined_ flag.
2490         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
2491         (Symbol::init_base_output_data): Likewise.
2492         (Symbol::init_base_output_segment): Likewise.
2493         (Symbol::init_base_constant): Likewise.
2494         (Sized_symbol::init_output_data): Likewise.
2495         (Sized_symbol::init_output_segment): Likewise.
2496         (Sized_symbol::init_constant): Likewise.
2497         (Symbol_table::do_define_in_output_data): Likewise.
2498         (Symbol_table::do_define_in_output_segment): Likewise.
2499         (Symbol_table::do_define_as_constant): Likewise.
2500         * symtab.h (Symbol::is_predefined): New function.
2501         (Symbol::init_base_output_data): Add is_predefined parameter.
2502         (Symbol::init_base_output_segment): Likewise.
2503         (Symbol::init_base_constant): Likewise.
2504         (Symbol::is_predefined_): New data member.
2505         (Sized_symbol::init_output_data): Add is_predefined parameter.
2506         (Sized_symbol::init_output_segment): Likewise.
2507         (Sized_symbol::init_constant): Likewise.
2508         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
2509
2510 2011-06-07  Cary Coutant  <ccoutant@google.com>
2511
2512         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
2513         instead of emit_copy_reloc.
2514         (Copy_relocs::emit_copy_reloc): Refactor.
2515         (Copy_relocs::make_copy_reloc): New function.
2516         (Copy_relocs::add_copy_reloc): Remove.
2517         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
2518         section.
2519         (Copy_relocs::make_copy_reloc): New function.
2520         (Copy_relocs::add_copy_reloc): Remove.
2521         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
2522         unchanged input files.
2523         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
2524         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
2525         Reserve BSS space for COPY relocations.
2526         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2527         (Output_section_incremental_inputs::write_info_blocks): Record
2528         whether a symbol is copied from a shared object.
2529         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
2530         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
2531         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
2532         (Incremental_input_entry_reader::get_output_symbol_index): Add
2533         is_copy parameter.
2534         (Incremental_binary::emit_copy_relocs): New function.
2535         (Incremental_binary::do_emit_copy_relocs): New function.
2536         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2537         new data member.
2538         (Sized_incremental_binary::add_copy_reloc): New function.
2539         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2540         (Sized_incremental_binary::Copy_reloc): New struct.
2541         (Sized_incremental_binary::Copy_relocs): New typedef.
2542         (Sized_incremental_binary::copy_relocs_): New data member.
2543         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
2544         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
2545         * target.h (Sized_target::emit_copy_reloc): New function.
2546         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
2547
2548 2011-06-02  Cary Coutant  <ccoutant@google.com>
2549
2550         PR gold/12163
2551         * gold/archive.cc (Archive::Archive): Initialize new data member.
2552         (Archive::include_all_members): Return if archive has already been
2553         included.
2554         * gold/archive.h (Archive::include_all_members_): New data member.
2555
2556 2011-06-02  Nick Clifton  <nickc@redhat.com>
2557
2558         * dynobj.h: Fix spelling mistake in comment.
2559         * output.cc: Likewise.
2560
2561 2011-05-31  Doug Kwan  <dougkwan@google.com>
2562             Asier Llano
2563
2564         PR gold/12826
2565         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
2566         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
2567         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
2568         redundant arm_exidx_test.so.
2569         * testsuite/Makefile.in: Regenerate.
2570         (check_SCRIPTS): Add pr12826.sh
2571         (check_DATA): Add pr12826.stdout
2572         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
2573         * testsuite/pr12826.sh: New file.
2574         * testsuite/pr12826_1.s: Ditto.
2575         * testsuite/pr12826_1.s: Ditto.
2576
2577 2011-05-30  Ian Lance Taylor  <iant@google.com>
2578
2579         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
2580         sections.
2581
2582 2011-05-29  Ian Lance Taylor  <iant@google.com>
2583
2584         PR gold/12804
2585         * testsuite/Makefile.am: Use different file name for two_file_test
2586         temporary file for each incremental test.
2587         * testsuite/Makefile.in: Rebuild.
2588
2589 2011-05-29  Ian Lance Taylor  <iant@google.com>
2590
2591         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
2592         binary input file is empty.
2593
2594 2011-05-27  Ian Lance Taylor  <iant@google.com>
2595
2596         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
2597         (ver_test_9.so): Likewise.
2598         * testsuite/Makefile.in: Rebuild.
2599
2600 2011-05-26 Cary Coutant  <ccoutant@google.com>
2601
2602         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
2603         * incremental.cc (Incremental_inputs::report_input_section): Fix
2604         comment, indentation.
2605         (Incremental_inputs::report_comdat_group): New function.
2606         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2607         of data for incremental input file entry.
2608         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
2609         group count, COMDAT group signatures.
2610         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
2611         an unchanged input file.
2612         * incremental.h (Incremental_object_entry::Incremental_object_entry):
2613         Initialize new data member.
2614         (Incremental_object_entry::add_comdat_group): New function.
2615         (Incremental_object_entry::get_comdat_group_count): New function.
2616         (Incremental_object_entry::get_comdat_signature_key): New function.
2617         (Incremental_object_entry::groups_): New data member.
2618         (Incremental_inputs::report_comdat_group): New function.
2619         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
2620         data for incremental input file entry.
2621         (Incremental_input_entry_reader::get_comdat_group_count): New function.
2622         (Incremental_input_entry_reader::get_input_section): Adjust size of
2623         data for incremental input file entry.
2624         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
2625         (Incremental_input_entry_reader::get_comdat_group_signature): New
2626         function.
2627         * object.cc (Sized_relobj::include_section_group): Report kept
2628         COMDAT groups for incremental links.
2629
2630 2011-05-24  David Meyer  <pdox@google.com>
2631
2632         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
2633         with name parameter.  Add found_name parameter.
2634         * fileread.cc (Input_file::find_file): Adjust code accordingly.
2635         * dirsearch.h (class Dirsearch): Update declaration.
2636
2637 2011-05-24  Ian Lance Taylor  <iant@google.com>
2638
2639         * archive.cc (Library_base::should_include_member): Pull in object
2640         from archive if it defines the entry symbol.
2641         * parameters.cc (Parameters::entry): New function.
2642         * parameters.h (class Parameters): Declare entry.
2643         * output.h (class Output_file_header): Remove entry_ field.
2644         * output.cc (Output_file_header::Output_file_header): Remove entry
2645         parameter.  Change all callers.
2646         (Output_file_header::entry): Use parameters->entry.
2647         * gold.cc (queue_middle_tasks): Likewise.
2648         * plugin.cc (Plugin_hook::run): Likewise.
2649
2650 2011-05-24 Cary Coutant  <ccoutant@google.com>
2651
2652         * gold.cc (queue_initial_tasks): Pass incremental base filename
2653         to Output_file::open_base_file; don't print error message.
2654         * incremental-dump.cc (main): Adjust call to
2655         Output_file::open_for_modification.
2656         * incremental-dump.cc (main): Likewise.
2657         * incremental.cc (Incremental_inputs::report_command_line):
2658         Ignore --incremental-base option when comparing command lines.
2659         Ignore parameter when given as separate argument.
2660         * options.h (class General_options): Add --incremental-base.
2661         * output.cc (Output_file::Output_file):
2662         (Output_file::open_base_file): Add base_name and writable parameters;
2663         read base file into new file; print error message here.
2664         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2665         callers.
2666         * output.h (Output_file::open_for_modification): Rename to...
2667         (Output_file::open_base_file): ...this; add base_name and
2668         writable parameters; adjust all callers.
2669         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2670         callers.
2671         * testsuite/Makefile.am (incremental_test_4): Test
2672         --incremental-base.
2673         * testsuite/Makefile.in: Regenerate.
2674
2675 2011-05-24 Cary Coutant  <ccoutant@google.com>
2676
2677         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
2678         incremental_test_4.
2679         * testsuite/Makefile.in: Regenerate.
2680         * testsuite/two_file_test_1_v1.cc: New test source file.
2681         * testsuite/two_file_test_1b_v1.cc: New test source file.
2682         * testsuite/two_file_test_2_v1.cc: New test source file.
2683
2684 2011-05-24 Cary Coutant  <ccoutant@google.com>
2685
2686         * dynobj.h (Dynobj::do_dynobj): New function.
2687         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
2688         flag and soname for shared objects.
2689         * incremental.cc (Incremental_inputs::report_object): Make
2690         either Incremental_object_entry or Incremental_dynobj_entry; add
2691         soname to string table.
2692         (Incremental_inputs::report_input_section): Add assertion.
2693         (Output_section_incremental_inputs::set_final_data_size): Adjust
2694         type of input file entry for shared libraries; adjust size of
2695         shared library info entry.
2696         (Output_section_incremental_inputs::write_input_files): Write
2697         as_needed flag for shared libraries.
2698         (Output_section_incremental_inputs::write_info_blocks): Adjust type
2699         of input file entry for shared libraries; write soname.
2700         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
2701         soname from incremental info.
2702         * incremental.h (enum Incremental_input_flags): Add
2703         INCREMENTAL_INPUT_AS_NEEDED.
2704         (Incremental_input_entry::Incremental_input_entry): Initialize new
2705         data member.
2706         (Incremental_input_entry::set_as_needed): New function.
2707         (Incremental_input_entry::as_needed): New function.
2708         (Incremental_input_entry::do_dynobj_entry): New function.
2709         (Incremental_input_entry::as_needed_): New data member.
2710         (Incremental_object_entry::Incremental_object_entry): Don't check
2711         for shared library.
2712         (Incremental_object_entry::do_type): Likewise.
2713         (class Incremental_dynobj_entry): New class.
2714         (Incremental_input_entry_reader::as_needed): New function.
2715         (Incremental_input_entry_reader::get_soname): New function.
2716         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
2717         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
2718         size of shared library info entry.
2719         * layout.cc (Layout::finish_dynamic_section): Don't test for
2720         incremental link when adding DT_NEEDED entries.
2721         * object.h (Object::Object): Initialize new data member.
2722         (Object::dynobj): New function.
2723         (Object::set_as_needed): New function.
2724         (Object::as_needed): New function.
2725         (Object::do_dynobj): New function.
2726         (Object::as_needed_): New data member.
2727
2728 2011-05-24 Cary Coutant  <ccoutant@google.com>
2729
2730         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2731         info; adjust display of GOT entries.
2732         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2733         vector of input objects; remove file_status_.
2734         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2735         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2736         got_plt reader; call target hooks to reserve GOT entries.
2737         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2738         of input file info header and GOT info entry.
2739         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2740         relocation info.
2741         (Got_plt_view_info::got_descriptor): Remove.
2742         (Got_plt_view_info::sym_index): New data member.
2743         (Got_plt_view_info::input_index): New data member.
2744         (Local_got_offset_visitor::visit): Write input file index.
2745         (Global_got_offset_visitor::visit): Write 0 for input file index.
2746         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2747         with sym_index and input_index.
2748         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2749         incremental info GOT entry; replace got_descriptor with input_index.
2750         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2751         map from input file index to object.
2752         (Sized_relobj_incr::do_layout): Replace direct data member reference
2753         with accessor function.
2754         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2755         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2756         Adjust size of input file info header.
2757         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2758         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2759         (Incremental_input_entry_reader::get_input_section): Adjust size of
2760         input file info header.
2761         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2762         of incremental info GOT entry.
2763         (Incremental_got_plt_reader::get_got_desc): Remove.
2764         (Incremental_got_plt_reader::get_got_symndx): New function.
2765         (Incremental_got_plt_reader::get_got_input_index): New function.
2766         (Sized_incremental_binary::Sized_incremental_binary): Remove
2767         file_status_; add input_objects_.
2768         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2769         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2770         (Sized_incremental_binary::file_is_unchanged): Remove.
2771         (Sized_incremental_binary::set_input_object): New function.
2772         (Sized_incremental_binary::input_object): New function.
2773         (Sized_incremental_binary::file_status_): Remove.
2774         (Sized_incremental_binary::input_objects_): New data member.
2775         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2776         references.
2777         (Sized_relobj_incr::invalid_address): Move to base class.
2778         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2779         class.
2780         (Sized_relobj_incr::do_output_section_offset): Likewise.
2781         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2782         (Sized_relobj_incr::section_offsets_): Likewise.
2783         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2784         function.
2785         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2786         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2787         with accessor function.
2788         (Sized_relobj_file::do_layout): Likewise.
2789         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2790         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2791         (Sized_relobj_file::compute_final_local_value): Replace refs to
2792         section_offsets_ with accessor function.
2793         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2794         * object.h (Relobj::Relobj): Initialize new data members.
2795         (Relobj::add_dyn_reloc): New function.
2796         (Relobj::first_dyn_reloc): New function.
2797         (Relobj::dyn_reloc_count): New function.
2798         (Relobj::first_dyn_reloc_): New data member.
2799         (Relobj::dyn_reloc_count_): New data member.
2800         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2801         references.
2802         (Sized_relobj::Address): New typedef.
2803         (Sized_relobj::invalid_address): Move here from child class.
2804         (Sized_relobj::Sized_relobj): Initialize new data members.
2805         (Sized_relobj::sized_relobj): New function.
2806         (Sized_relobj::is_output_section_offset_invalid): Move here from
2807         child class.
2808         (Sized_relobj::get_output_section_offset): Likewise.
2809         (Sized_relobj::local_has_got_offset): Likewise.
2810         (Sized_relobj::local_got_offset): Likewise.
2811         (Sized_relobj::set_local_got_offset): Likewise.
2812         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2813         (Sized_relobj::clear_got_offsets): New function.
2814         (Sized_relobj::section_offsets): Move here from child class.
2815         (Sized_relobj::do_output_section_offset): Likewise.
2816         (Sized_relobj::do_set_section_offset): Likewise.
2817         (Sized_relobj::Local_got_offsets): Likewise.
2818         (Sized_relobj::local_got_offsets_): Likewise.
2819         (Sized_relobj::section_offsets_): Likewise.
2820         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2821         references.
2822         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2823         class.
2824         (Sized_relobj_file::sized_relobj): New function
2825         (Sized_relobj_file::local_has_got_offset): Move to base class.
2826         (Sized_relobj_file::local_got_offset): Likewise.
2827         (Sized_relobj_file::set_local_got_offset): Likewise.
2828         (Sized_relobj_file::get_output_section_offset): Likewise.
2829         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2830         (Sized_relobj_file::do_output_section_offset): Likewise.
2831         (Sized_relobj_file::do_set_section_offset): Likewise.
2832         (Sized_relobj_file::Local_got_offsets): Likewise.
2833         (Sized_relobj_file::local_got_offsets_): Likewise.
2834         (Sized_relobj_file::section_offsets_): Likewise.
2835         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2836         (all constructors).
2837         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2838         (Output_reloc::get_symbol_index): Likewise.
2839         (Output_reloc::local_section_offset): Likewise.
2840         (Output_reloc::get_address): Likewise.
2841         (Output_reloc::symbol_value): Likewise.
2842         (Output_data_got::reserve_slot): Move to class definition.
2843         (Output_data_got::reserve_local): New function.
2844         (Output_data_got::reserve_slot_for_global): Remove.
2845         (Output_data_got::reserve_global): New function.
2846         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2847         (all constructors, two instantiations).
2848         (Output_reloc::get_relobj): New function (two instantiations).
2849         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2850         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2851         (Output_data_reloc::add_global): Adjust type of relobj.
2852         (Output_data_reloc::add_global_relative): Likewise.
2853         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2854         (Output_data_reloc::add_local): Likewise.
2855         (Output_data_reloc::add_local_relative): Likewise.
2856         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2857         (Output_data_reloc::add_local_section): Likewise.
2858         (Output_data_reloc::add_output_section): Likewise.
2859         (Output_data_reloc::add_absolute): Likewise.
2860         (Output_data_reloc::add_target_specific): Likewise.
2861         (Output_data_got::reserve_slot): Move definition here.
2862         (Output_data_got::reserve_local): New function.
2863         (Output_data_got::reserve_global): New function.
2864         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2865         section_offsets_ with accessor function.
2866         (Sized_relobj_file::write_sections): Likewise.
2867         (Sized_relobj_file::do_relocate_sections): Likewise.
2868         * target.h (Sized_target::reserve_local_got_entry): New function.
2869         (Sized_target::reserve_global_got_entry): New function.
2870         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2871         (Target_x86_64::reserve_global_got_entry): New function.
2872         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2873
2874 2011-05-23 Cary Coutant  <ccoutant@google.com>
2875
2876         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2877         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2878         bit when checking got_type.
2879         * incremental.cc (Sized_incremental_binary::setup_readers):
2880         Store symbol table and string table locations; initialize bit vector
2881         of file status flags.
2882         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2883         unchanged files.
2884         (Sized_incremental_binary::do_process_got_plt): New function.
2885         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2886         (Output_section_incremental_inputs::set_final_data_size): Record
2887         file index for each input file.
2888         (Output_section_incremental_inputs::write_got_plt): Store file index
2889         instead of input entry offset for each GOT entry.
2890         * incremental.h
2891         (Incremental_input_entry::Incremental_input_entry): Initialize new
2892         data member.
2893         (Incremental_input_entry::set_offset): Store file index.
2894         (Incremental_input_entry::get_file_index): New function.
2895         (Incremental_input_entry::file_index_): New data member.
2896         (Incremental_binary::process_got_plt): New function.
2897         (Incremental_binary::do_process_got_plt): New function.
2898         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2899         data members.
2900         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2901         (Sized_incremental_binary::set_file_is_unchanged): New function.
2902         (Sized_incremental_binary::file_is_unchanged): New function.
2903         (Sized_incremental_binary::do_process_got_plt): New function.
2904         (Sized_incremental_binary::file_status_): New data member.
2905         (Sized_incremental_binary::main_symtab_loc_): New data member.
2906         (Sized_incremental_binary::main_strtab_loc_): New data member.
2907         * output.cc (Output_data_got::Got_entry::write): Add case
2908         RESERVED_CODE.
2909         (Output_data_got::add_global): Call add_got_entry.
2910         (Output_data_got::add_global_plt): Likewise.
2911         (Output_data_got::add_global_with_rel): Likewise.
2912         (Output_data_got::add_global_with_rela): Likewise.
2913         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2914         (Output_data_got::add_global_pair_with_rela): Likewise.
2915         (Output_data_got::add_local): Call add_got_entry.
2916         (Output_data_got::add_local_plt): Likewise.
2917         (Output_data_got::add_local_with_rel): Likewise.
2918         (Output_data_got::add_local_with_rela): Likewise.
2919         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2920         (Output_data_got::add_local_pair_with_rela): Likewise.
2921         (Output_data_got::reserve_slot): New function.
2922         (Output_data_got::reserve_slot_for_global): New function.
2923         (Output_data_got::add_got_entry): New function.
2924         (Output_data_got::add_got_entry_pair): New function.
2925         (Output_section::add_output_section_data): Edit FIXME.
2926         * output.h
2927         (Output_section_data_build::Output_section_data_build): New
2928         constructor with size parameter.
2929         (Output_data_space::Output_data_space): Likewise.
2930         (Output_data_got::Output_data_got): Initialize new data member; new
2931         constructor with size parameter.
2932         (Output_data_got::add_constant): Call add_got_entry.
2933         (Output_data_got::reserve_slot): New function.
2934         (Output_data_got::reserve_slot_for_global): New function.
2935         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2936         (Output_data_got::add_got_entry): New function.
2937         (Output_data_got::add_got_entry_pair): New function.
2938         (Output_data_got::free_list_): New data member.
2939         * target.h (Sized_target::init_got_plt_for_update): New function.
2940         (Sized_target::register_global_plt_entry): New function.
2941         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2942         Initialize new data member; call init; add constructor with PLT count.
2943         (Output_data_plt_x86_64::init): New function.
2944         (Output_data_plt_x86_64::add_relocation): New function.
2945         (Output_data_plt_x86_64::reserve_slot): New function.
2946         (Output_data_plt_x86_64::free_list_): New data member.
2947         (Target_x86_64::init_got_plt_for_update): New function.
2948         (Target_x86_64::register_global_plt_entry): New function.
2949         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2950         incremental updates.
2951         (Output_data_plt_x86_64::add_relocation): New function.
2952         * testsuite/object_unittest.cc (Object_test): Set default options.
2953
2954 2011-05-16  Ian Lance Taylor  <iant@google.com>
2955
2956         * options.h (class General_options): Make -i a synonym for -r.
2957
2958 2011-05-16  Ian Lance Taylor  <iant@google.com>
2959
2960         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2961
2962 2011-05-10 Cary Coutant  <ccoutant@google.com>
2963
2964         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2965         strip_all (-s).
2966
2967 2011-05-06  Ian Lance Taylor  <iant@google.com>
2968
2969         * layout.cc (Layout::layout): If the output section flags change,
2970         update the ordering.
2971
2972 2011-04-25 Cary Coutant  <ccoutant@google.com>
2973
2974         * incremental-dump.cc (dump_incremental_inputs): Print local
2975         symbol info for each input file.
2976         * incremental.cc
2977         (Output_section_incremental_inputs::set_final_data_size): Add local
2978         symbol info to input file entries in incremental info.
2979         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2980         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2981         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2982         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2983         implementation.
2984         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2985         (Sized_incr_relobj::do_relocate): Write the local symbols.
2986         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2987         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2988         Adjust size of input file header.
2989         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2990         (Incremental_inputs_reader::get_local_symbol_count): New function.
2991         (Incremental_inputs_reader::get_input_section): Adjust size of input
2992         file header.
2993         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2994         (Sized_incr_relobj::This): New typedef.
2995         (Sized_incr_relobj::sym_size): New const data member.
2996         (Sized_incr_relobj::Local_symbol): New struct.
2997         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2998         (Sized_incr_relobj::do_local_symbol_offset): New function.
2999         (Sized_incr_relobj::local_symbol_count_): New data member.
3000         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
3001         (Sized_incr_relobj::local_symbol_index_): New data member.
3002         (Sized_incr_relobj::local_symbol_offset_): New data member.
3003         (Sized_incr_relobj::local_dynsym_offset_): New data member.
3004         (Sized_incr_relobj::local_symbols_): New data member.
3005         * object.h (Relobj::output_local_symbol_count): New function.
3006         (Relobj::local_symbol_offset): New function.
3007         (Relobj::do_output_local_symbol_count): New function.
3008         (Relobj::do_local_symbol_offset): New function.
3009         (Sized_relobj::do_output_local_symbol_count): New function.
3010         (Sized_relobj::do_local_symbol_offset): New function.
3011
3012 2011-04-22  Vladimir Simonov  <sv@sw.ru>
3013
3014         * descriptors.cc (set_close_on_exec): New function.
3015         (Descriptors::open): Use set_close_on_exec.
3016         * output.cc (S_ISLNK): Define if not defined.
3017
3018 2011-04-22 Cary Coutant  <ccoutant@google.com>
3019
3020         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3021         global symbol map.
3022         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3023         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
3024         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
3025         relocations.
3026         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
3027         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
3028         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
3029         * incremental.h
3030         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
3031         function.
3032         (Incremental_binary::apply_incremental_relocs): New function.
3033         (Incremental_binary::do_apply_incremental_relocs): New function.
3034         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3035         data member.
3036         (Sized_incremental_binary::add_global_symbol): New function.
3037         (Sized_incremental_binary::global_symbol): New function.
3038         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3039         (Sized_incremental_binary::symbol_map_): New data member.
3040         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
3041         * target.h (Sized_target::apply_relocation): New function.
3042         * target-reloc.h (apply_relocation): New function.
3043         * x86_64.cc (Target_x86_64::apply_relocation): New function.
3044
3045 2011-04-22  Doug Kwan  <dougkwan@google.com>
3046
3047         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
3048         flag of a SHT_ARM_EXIDX section.
3049         * testsuite/Makefile.am (arm_exidx_test): New test rules.
3050         * testsuite/Makefile.in: Regenerate.
3051         * testsuite/arm_exidx_test.s: New file.
3052         * testsuite/arm_exidx_test.sh: Same.
3053
3054 2011-04-20 Cary Coutant  <ccoutant@google.com>
3055
3056         PR gold/12689
3057         * archive.h (Incremental_archive_entry::Archive_member):
3058         Initialize arg_serial_ (second constructor).
3059
3060 2011-04-17  Ian Lance Taylor  <iant@google.com>
3061
3062         * object.cc (Relocate_info::location): Simplify location string.
3063         * errors.cc (Errors::error_at_location): Don't print program
3064         name.
3065         (Errors::warning_at_location): Likewise.
3066         (Errors::undefined_symbol): Likewise.
3067         * testsuite/debug_msg.sh: Update accordingly.
3068
3069 2011-04-14 Cary Coutant  <ccoutant@google.com>
3070
3071         * gold/layout.cc (Layout::symtab_section_offset): New function.
3072         * gold/layout.h (Layout::symtab_section_offset): New function.
3073         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
3074
3075 2011-04-12  Ian Lance Taylor  <iant@google.com>
3076
3077         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
3078         with MREMAP_MAYMOVE.
3079         * output.h (class Output_file): Add map_is_allocated_ field.
3080         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
3081         not available, provide stubs.  If mremap is not available, #define
3082         it to gold_mremap.
3083         (MREMAP_MAYMOVE): Define if not defined.
3084         (Output_file::Output_file): Initialize map_is_allocated_.
3085         (Output_file::resize): Check map_is_allocated_.
3086         (Output_file::map_anonymous): If mmap fails, use malloc.
3087         (Output_file::unmap): Don't do anything for an anonymous map.
3088         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
3089         is not available, provide stubs.
3090         (File_read::View::~View): Use free rather than delete[].
3091         (File_read::make_view): Use malloc rather than new[].  If mmap
3092         fails, use malloc.
3093         (File_read::find_or_make_view): Use malloc rather than new[].
3094         * gold.h: Remove HAVE_REMAP code.
3095         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
3096         exists.  Rename mremap to gold_mremap.  If mmap is not available
3097         don't do anything.
3098         * configure, config.in: Rebuild.
3099
3100 2011-04-11  Ian Lance Taylor  <iant@google.com>
3101
3102         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
3103         initialize local variable v.
3104
3105 2011-04-11  Cary Coutant  <ccoutant@google.com>
3106
3107         * archive.cc (Archive::include_member): Adjust call to
3108         report_object.
3109         (Add_archive_symbols::run): Track argument serial numbers.
3110         (Lib_group::include_member): Likewise.
3111         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
3112         * archive.h (Incremental_archive_entry::Archive_member):
3113         Initialize arg_serial_.
3114         (Archive_member::arg_serial_): New data member.
3115         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
3116         (Sized_dynobj::do_add_symbols): Track symbols when doing an
3117         incremental link.
3118         (Sized_dynobj::do_for_all_local_got_entries): New function.
3119         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
3120         function.
3121         * fileread.cc (get_mtime): New function.
3122         * fileread.h (get_mtime): New function.
3123         * gold.cc (queue_initial_tasks): Check for incremental update.
3124         (process_incremental_input): New function.
3125         (queue_middle_tasks): Don't force valid target for incremental
3126         update.
3127         * incremental-dump.cc (find_input_containing_global): Adjust
3128         size of symbol info entry.
3129         (dump_incremental_inputs): Dump argument serial number and
3130         in_system_directory flag; bias shndx by 1; print symbol names
3131         when dumping per-file symbol lists; use new symbol info readers.
3132         * incremental.cc
3133         (Output_section_incremental_inputs:update_data_size): New function.
3134         (Sized_incremental_binary::setup_readers): Setup input readers
3135         for each input file; build maps for files added from libraries
3136         and scripts.
3137         (Sized_incremental_binary::check_input_args): New function.
3138         (Sized_incremental_binary::do_check_inputs): Build map of argument
3139         serial numbers to input arguments.
3140         (Sized_incremental_binary::do_file_has_changed): Rename
3141         do_file_is_unchanged to this; compare file modification times.
3142         (Sized_incremental_binary::do_init_layout): New function.
3143         (Sized_incremental_binary::do_reserve_layout): New function.
3144         (Sized_incremental_binary::do_get_input_reader): Remove.
3145         (Sized_incremental_binary::get_symtab_view): New function.
3146         (Incremental_checker::can_incrementally_link_output_file): Remove.
3147         (Incremental_inputs::report_command_line): Exclude --debug options.
3148         (Incremental_inputs::report_archive_begin): Add parameter; track
3149         argument serial numbers; don't put input file entry for archive
3150         before archive members.
3151         (Incremental_inputs::report_archive_end): Put input file entry
3152         for archive after archive members.
3153         (Incremental_inputs::report_object): Add parameter; track argument
3154         serial numbers and in_system_directory flag.
3155         (Incremental_inputs::report_script): Add parameter; track argument
3156         serial numbers.
3157         (Output_section_incremental_inputs::set_final_data_size): Adjust
3158         size of symbol info entry; check for forwarding symbols.
3159         (Output_section_incremental_inputs::write_input_files): Write
3160         in_system_directory flag and argument serial number.
3161         (Output_section_incremental_inputs::write_info_blocks): Map section
3162         indices between incremental info and original input file; store
3163         input section index for each symbol.
3164         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
3165         change operator() to visit().
3166         (class Global_got_offset_visitor): Likewise.
3167         (class Global_symbol_visitor_got_plt):
3168         (Output_section_incremental_inputs::write_got_plt): Use new visitor
3169         classes.
3170         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
3171         (Sized_incr_relobj::do_read_symbols): New function.
3172         (Sized_incr_relobj::do_layout): New function.
3173         (Sized_incr_relobj::do_layout_deferred_sections): New function.
3174         (Sized_incr_relobj::do_add_symbols): New function.
3175         (Sized_incr_relobj::do_should_include_member): New function.
3176         (Sized_incr_relobj::do_for_all_global_symbols): New function.
3177         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
3178         (Sized_incr_relobj::do_section_size): New function.
3179         (Sized_incr_relobj::do_section_name): New function.
3180         (Sized_incr_relobj::do_section_contents): New function.
3181         (Sized_incr_relobj::do_section_flags): New function.
3182         (Sized_incr_relobj::do_section_entsize): New function.
3183         (Sized_incr_relobj::do_section_address): New function.
3184         (Sized_incr_relobj::do_section_type): New function.
3185         (Sized_incr_relobj::do_section_link): New function.
3186         (Sized_incr_relobj::do_section_info): New function.
3187         (Sized_incr_relobj::do_section_addralign): New function.
3188         (Sized_incr_relobj::do_initialize_xindex): New function.
3189         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
3190         (Sized_incr_relobj::do_read_relocs): New function.
3191         (Sized_incr_relobj::do_gc_process_relocs): New function.
3192         (Sized_incr_relobj::do_scan_relocs): New function.
3193         (Sized_incr_relobj::do_count_local_symbols): New function.
3194         (Sized_incr_relobj::do_finalize_local_symbols): New function.
3195         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
3196         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
3197         (Sized_incr_relobj::do_relocate): New function.
3198         (Sized_incr_relobj::do_set_section_offset): New function.
3199         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
3200         (Sized_incr_dynobj::do_read_symbols): New function.
3201         (Sized_incr_dynobj::do_layout): New function.
3202         (Sized_incr_dynobj::do_add_symbols): New function.
3203         (Sized_incr_dynobj::do_should_include_member): New function.
3204         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
3205         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
3206         (Sized_incr_dynobj::do_section_size): New function.
3207         (Sized_incr_dynobj::do_section_name): New function.
3208         (Sized_incr_dynobj::do_section_contents): New function.
3209         (Sized_incr_dynobj::do_section_flags): New function.
3210         (Sized_incr_dynobj::do_section_entsize): New function.
3211         (Sized_incr_dynobj::do_section_address): New function.
3212         (Sized_incr_dynobj::do_section_type): New function.
3213         (Sized_incr_dynobj::do_section_link): New function.
3214         (Sized_incr_dynobj::do_section_info): New function.
3215         (Sized_incr_dynobj::do_section_addralign): New function.
3216         (Sized_incr_dynobj::do_initialize_xindex): New function.
3217         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
3218         (make_sized_incremental_object): New function.
3219         (Incremental_library::copy_unused_symbols): New function.
3220         (Incremental_library::do_for_all_unused_symbols): New function.
3221         * incremental.h (enum Incremental_input_flags): New type.
3222         (class Incremental_checker): Remove.
3223         (Incremental_input_entry::Incremental_input_entry): Add argument
3224         serial number.
3225         (Incremental_input_entry::arg_serial): New function.
3226         (Incremental_input_entry::set_is_in_system_directory): New function.
3227         (Incremental_input_entry::is_in_system_directory): New function.
3228         (Incremental_input_entry::arg_serial_): New data member.
3229         (Incremental_input_entry::is_in_system_directory_): New data member.
3230         (class Script_info): Move here from script.h.
3231         (Script_info::Script_info): Add filename parameter.
3232         (Script_info::filename): New function.
3233         (Script_info::filename_): New data member.
3234         (Incremental_script_entry::Incremental_script_entry): Add argument
3235         serial number.
3236         (Incremental_object_entry::Incremental_object_entry): Likewise.
3237         (Incremental_object_entry::add_input_section): Build list of input
3238         sections with map to original shndx.
3239         (Incremental_object_entry::get_input_section_index): New function.
3240         (Incremental_object_entry::shndx_): New data member.
3241         (Incremental_object_entry::name_key_): Rename; adjust all refs.
3242         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
3243         (Incremental_archive_entry::Incremental_archive_entry): Add argument
3244         serial number.
3245         (Incremental_inputs::report_archive_begin): Likewise.
3246         (Incremental_inputs::report_object): Likewise.
3247         (Incremental_inputs::report_script): Likewise.
3248         (class Incremental_global_symbol_reader): New class.
3249         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
3250         and store flags and input file type.
3251         (Incremental_input_entry_reader::arg_serial): New function.
3252         (Incremental_input_entry_reader::type): Extract type from flags.
3253         (Incremental_input_entry_reader::is_in_system_directory): New function.
3254         (Incremental_input_entry_reader::get_input_section_count): Call
3255         accessor function for type.
3256         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
3257         function for type; adjust size of global symbol entry.
3258         (Incremental_input_entry_reader::get_global_symbol_count): Call
3259         accessor function for type.
3260         (Incremental_input_entry_reader::get_object_count): Likewise.
3261         (Incremental_input_entry_reader::get_object_offset): Likewise.
3262         (Incremental_input_entry_reader::get_member_count): Likewise.
3263         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
3264         (Incremental_input_entry_reader::get_member_offset): Likewise.
3265         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
3266         (Incremental_input_entry_reader::Global_symbol_info): Remove.
3267         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
3268         (Incremental_input_entry_reader::get_global_symbol_reader): New
3269         function.
3270         (Incremental_input_entry_reader::get_output_symbol_index): New
3271         function.
3272         (Incremental_input_entry_reader::type_): Remove.
3273         (Incremental_input_entry_reader::flags_): New data member.
3274         (Incremental_inputs_reader::input_file_offset): New function.
3275         (Incremental_inputs_reader::input_file_index): New function.
3276         (Incremental_inputs_reader::input_file): Call input_file_offset.
3277         (Incremental_inputs_reader::input_file_at_offset): New function.
3278         (Incremental_relocs_reader::get_r_type): Reformat.
3279         (Incremental_relocs_reader::get_r_shndx): Reformat.
3280         (Incremental_relocs_reader::get_r_offset): Reformat.
3281         (Incremental_relocs_reader::data): New function.
3282         (Incremental_binary::Incremental_binary): Initialize new data members.
3283         (Incremental_binary::check_inputs): Add cmdline parameter.
3284         (Incremental_binary::file_is_unchanged): Remove.
3285         (Input_reader::arg_serial): New function.
3286         (Input_reader::get_unused_symbol_count): New function.
3287         (Input_reader::get_unused_symbol): New function.
3288         (Input_reader::do_arg_serial): New function.
3289         (Input_reader::do_get_unused_symbol_count): New function.
3290         (Input_reader::do_get_unused_symbol): New function.
3291         (Incremental_binary::input_file_count): New function.
3292         (Incremental_binary::get_input_reader): Change signature to use
3293         index instead of filename.
3294         (Incremental_binary::file_has_changed): New function.
3295         (Incremental_binary::get_input_argument): New function.
3296         (Incremental_binary::get_library): New function.
3297         (Incremental_binary::get_script_info): New function.
3298         (Incremental_binary::init_layout): New function.
3299         (Incremental_binary::reserve_layout): New function.
3300         (Incremental_binary::output_file): New function.
3301         (Incremental_binary::do_check_inputs): New function.
3302         (Incremental_binary::do_file_is_unchanged): Remove.
3303         (Incremental_binary::do_file_has_changed): New function.
3304         (Incremental_binary::do_init_layout): New function.
3305         (Incremental_binary::do_reserve_layout): New function.
3306         (Incremental_binary::do_input_file_count): New function.
3307         (Incremental_binary::do_get_input_reader): Change signature.
3308         (Incremental_binary::input_args_map_): New data member.
3309         (Incremental_binary::library_map_): New data member.
3310         (Incremental_binary::script_map_): New data member.
3311         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3312         new data members.
3313         (Sized_incremental_binary::output_section): New function.
3314         (Sized_incremental_binary::inputs_reader): Add const.
3315         (Sized_incremental_binary::symtab_reader): Add const.
3316         (Sized_incremental_binary::relocs_reader): Add const.
3317         (Sized_incremental_binary::got_plt_reader): Add const.
3318         (Sized_incremental_binary::get_symtab_view): New function.
3319         (Sized_incremental_binary::Inputs_reader): New typedef.
3320         (Sized_incremental_binary::Input_entry_reader): New typedef.
3321         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
3322         (Sized_incremental_binary::do_file_is_unchanged): Remove.
3323         (Sized_incremental_binary::do_file_has_changed): New function.
3324         (Sized_incremental_binary::do_init_layout): New function.
3325         (Sized_incremental_binary::do_reserve_layout): New function.
3326         (Sized_input_reader::Inputs_reader): Remove.
3327         (Sized_input_reader::Input_entry_reader): Remove.
3328         (Sized_input_reader::do_arg_serial): New function.
3329         (Sized_input_reader::do_get_unused_symbol_count): New function.
3330         (Sized_input_reader::do_get_unused_symbol): New function.
3331         (Sized_incremental_binary::do_input_file_count): New function.
3332         (Sized_incremental_binary::do_get_input_reader): Change signature;
3333         use index instead of filename.
3334         (Sized_incremental_binary::section_map_): New data member.
3335         (Sized_incremental_binary::input_entry_readers_): New data member.
3336         (class Sized_incr_relobj): New class.
3337         (class Sized_incr_dynobj): New class.
3338         (make_sized_incremental_object): New function.
3339         (class Incremental_library): New class.
3340         * layout.cc (Free_list::num_lists): New static data member.
3341         (Free_list::num_nodes): New static data member.
3342         (Free_list::num_removes): New static data member.
3343         (Free_list::num_remove_visits): New static data member.
3344         (Free_list::num_allocates): New static data member.
3345         (Free_list::num_allocate_visits): New static data member.
3346         (Free_list::init): New function.
3347         (Free_list::remove): New function.
3348         (Free_list::allocate): New function.
3349         (Free_list::dump): New function.
3350         (Free_list::print_stats): New function.
3351         (Layout_task_runner::run): Resize output file for incremental updates.
3352         (Layout::Layout): Initialize new data members.
3353         (Layout::set_incremental_base): New function.
3354         (Layout::init_fixed_output_section): New function.
3355         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3356         incremental updates.
3357         (Layout::create_gold_note): Do not create gold note section for
3358         incremental updates.
3359         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3360         for incremental updates.
3361         (Layout::set_section_offsets): For incremental updates, allocate space
3362         from free list.
3363         (Layout::create_symtab_sections): Layout with offsets relative to
3364         start of section; for incremental updates, allocate space from free
3365         list.
3366         (Layout::create_shdrs): For incremental updates, allocate space from
3367         free list.
3368         (Layout::finish_dynamic_section): For incremental updates, do not
3369         check --as-needed (fixed in subsequent patch).
3370         * layout.h (class Free_list): New class.
3371         (Layout::set_incremental_base): New function.
3372         (Layout::incremental_base): New function.
3373         (Layout::init_fixed_output_section): New function.
3374         (Layout::allocate): New function.
3375         (Layout::incremental_base_): New data member.
3376         (Layout::free_list_): New data member.
3377         * main.cc (main): Print Free_list statistics.
3378         * object.cc (Relobj::finalize_incremental_relocs): Add
3379         clear_counts parameter; clear counts only when clear_counts is set.
3380         (Sized_relobj::Sized_relobj): Initialize new base class.
3381         (Sized_relobj::do_layout): Don't report special sections.
3382         (Sized_relobj::do_for_all_local_got_entries): New function.
3383         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3384         symtab_off to all symbol table offsets.
3385         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3386         * object.h (class Got_offset_list): Move to top of file.
3387         (Object::Object): Allow case where input_file == NULL.
3388         (Object::~Object): Likewise.
3389         (Object::input_file): Assert that input_file != NULL.
3390         (Object::lock): Allow case where input_file == NULL.
3391         (Object::unlock): Likewise.
3392         (Object::is_locked): Likewise.
3393         (Object::token): Likewise.
3394         (Object::release): Likewise.
3395         (Object::is_incremental): New function.
3396         (Object::get_mtime): New function.
3397         (Object::for_all_local_got_entries): New function.
3398         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3399         (Object::set_is_in_system_directory): New function.
3400         (Object::is_in_system_directory): New function.
3401         (Object::do_is_incremental): New function.
3402         (Object::do_get_mtime): New function.
3403         (Object::do_for_all_local_got_entries): New function.
3404         (Object::is_in_system_directory_): New data member.
3405         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3406         (class Sized_relobj_base): New class.
3407         (class Sized_relobj): Derive from Sized_relobj_base.
3408         (class Sized_relobj::Symbols): Redeclare from base class.
3409         (class Sized_relobj::local_got_offset_list): Remove.
3410         (class Sized_relobj::Output_sections): Redeclare from base class.
3411         (class Sized_relobj::do_for_all_local_got_entries): New function.
3412         (class Sized_relobj::write_local_symbols): Add offset parameter.
3413         (class Sized_relobj::local_symbol_offset_): Update comment.
3414         (class Sized_relobj::local_dynsym_offset_): Update comment.
3415         * options.cc (Input_arguments::add_file): Remove const.
3416         * options.h (Input_file_argument::Input_file_argument):
3417         Initialize arg_serial_ (all constructors).
3418         (Input_file_argument::set_arg_serial): New function.
3419         (Input_file_argument::arg_serial): New function.
3420         (Input_file_argument::arg_serial_): New data member.
3421         (Input_arguments::Input_arguments): Initialize file_count_.
3422         (Input_arguments::add_file): Remove const.
3423         (Input_arguments::number_of_input_files): New function.
3424         (Input_arguments::file_count_): New data member.
3425         (Command_line::number_of_input_files): Call
3426         Input_arguments::number_of_input_files.
3427         * output.cc (Output_segment_headers::Output_segment_headers):
3428         Set current size.
3429         (Output_section::Input_section::current_data_size): New function.
3430         (Output_section::Output_section): Initialize new data members.
3431         (Output_section::add_input_section): Don't do merge sections for
3432         an incremental link; allocate space from free list for an
3433         incremental update.
3434         (Output_section::add_output_section_data): Allocate space from
3435         free list for an incremental update.
3436         (Output_section::update_data_size): New function.
3437         (Output_section::set_fixed_layout): New function.
3438         (Output_section::reserve): New function.
3439         (Output_segment::set_section_addresses): Remove const.
3440         (Output_segment::set_section_list_addresses): Remove const; allocate
3441         space from free list for an incremental update.
3442         (Output_segment::set_offset): Adjust size of RELRO segment for an
3443         incremental update.
3444         * output.h (Output_data::current_data_size): Move here from
3445         child classes.
3446         (Output_data::pre_finalize_data_size): New function.
3447         (Output_data::update_data_size): New function.
3448         (Output_section_headers::update_data_size): new function.
3449         (Output_section_data_build::current_data_size): Move to Output_data.
3450         (Output_data_strtab::update_data_size): New function.
3451         (Output_section::current_data_size): Move to Output_data.
3452         (Output_section::set_fixed_layout): New function.
3453         (Output_section::has_fixed_layout): New function.
3454         (Output_section::reserve): New function.
3455         (Output_section::update_data_size): New function.
3456         (Output_section::has_fixed_layout_): New data member.
3457         (Output_section::free_list_): New data member.
3458         (Output_segment::set_section_addresses): Remove const.
3459         (Output_segment::set_section_list_addresses): Remove const.
3460         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
3461         New function.
3462         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
3463         New function.
3464         * readsyms.cc (Read_symbols::do_read_symbols): Add library
3465         parameter when calling Add_symbols constructor; store argument
3466         serial number for members of a lib group.
3467         (Add_symbols::locks): Allow case where token == NULL.
3468         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
3469         (Read_member::~Read_member): New function.
3470         (Read_member::is_runnable): New function.
3471         (Read_member::locks): New function.
3472         (Read_member::run): New function.
3473         (Check_script::~Check_script): New function.
3474         (Check_script::is_runnable): New function.
3475         (Check_script::locks): New function.
3476         (Check_script::run): New function.
3477         (Check_library::~Check_library): New function.
3478         (Check_library::is_runnable): New function.
3479         (Check_library::locks): New function.
3480         (Check_library::run): New function.
3481         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
3482         (Add_symbols::library_): New data member.
3483         (class Read_member): New class.
3484         (class Check_script): New class.
3485         (class Check_library): New class.
3486         * reloc.cc (Read_relocs::is_runnable): Allow case where
3487         token == NULL.
3488         (Read_relocs::locks): Likewise.
3489         (Scan_relocs::locks): Likewise.
3490         (Relocate_task::locks): Likewise.
3491         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
3492         to clear counters.
3493         (Sized_relobj::incremental_relocs_scan): Fix comment.
3494         (Sized_relobj::do_relocate): Pass output file offset to
3495         write_local_symbols.
3496         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
3497         from class declaration.
3498         * script.cc (read_input_script): Allocate Script_info; pass
3499         argument serial number to report_script.
3500         * script.h (class Script_info): Move to incremental.h.
3501         * symtab.cc (Symbol_table::add_from_incrobj): New function.
3502         * symtab.h (Symbol_table::add_from_incrobj): New function.
3503         (Symbol_table::set_file_offset): New function.
3504
3505 2011-04-05  Cary Coutant  <ccoutant@google.com>
3506
3507         * incremental-dump.cc (dump_incremental_inputs): Change signature
3508         to take a Sized_incremental_binary; change caller.  Use readers
3509         in Sized_incremental_binary.
3510         * incremental.cc
3511         (Sized_incremental_binary::find_incremental_inputs_sections):
3512         Rename do_find_incremental_inputs_sections to this.
3513         (Sized_incremental_binary::setup_readers): New function.
3514         (Sized_incremental_binary::do_check_inputs): Check
3515         has_incremental_info_ flag; move setup code to setup_readers;
3516         use input readers.
3517         (Sized_incremental_binary::do_file_is_unchanged): New function.
3518         (Sized_incremental_binary::do_get_input_reader): New function.
3519         * incremental.h (class Incremental_binary): Move to end of file.
3520         (Incremental_binary::file_is_unchanged): New function.
3521         (Incremental_binary::do_file_is_unchanged): New function.
3522         (Incremental_binary::Input_reader): New class.
3523         (Incremental_binary::get_input_reader): New function.
3524         (class Sized_incremental_binary): Move to end of file.
3525         (Sized_incremental_binary::Sized_incremental_binary): Setup the
3526         input section reader classes.
3527         (Sized_incremental_binary::has_incremental_info): New function.
3528         (Sized_incremental_binary::inputs_reader): New function.
3529         (Sized_incremental_binary::symtab_reader): New function.
3530         (Sized_incremental_binary::relocs_reader): New function.
3531         (Sized_incremental_binary::got_plt_reader): New function.
3532         (Sized_incremental_binary::do_file_is_unchanged): New function.
3533         (Sized_incremental_binary::Sized_input_reader): New class.
3534         (Sized_incremental_binary::get_input_reader): New function.
3535         (Sized_incremental_binary::find_incremental_inputs_sections):
3536         Rename do_find_incremental_inputs_sections to this.
3537         (Sized_incremental_binary::setup_readers): New function.
3538         (Sized_incremental_binary::has_incremental_info_): New data member.
3539         (Sized_incremental_binary::inputs_reader_): New data member.
3540         (Sized_incremental_binary::symtab_reader_): New data member.
3541         (Sized_incremental_binary::relocs_reader_): New data member.
3542         (Sized_incremental_binary::got_plt_reader_): New data member.
3543         (Sized_incremental_binary::current_input_file_): New data member.
3544
3545 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
3546
3547         PR gold/12640
3548         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
3549         violation.
3550
3551 2011-03-30  Cary Coutant  <ccoutant@google.com>
3552
3553         * archive.cc (Archive::include_member): Adjust call to report_object.
3554         (Add_archive_symbols::run): Add script_info to call to
3555         report_archive_begin.
3556         (Lib_group::include_member): Adjust call to report_object.
3557         (Add_lib_group_symbols::run): Adjust call to report_object.
3558         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
3559         blocks.  Add object count for script input files.
3560         * incremental.cc (Incremental_inputs::report_archive_begin): Add
3561         script_info parameter; change all callers.
3562         (Incremental_inputs::report_object): Add script_info parameter;
3563         change all callers.
3564         (Incremental_inputs::report_script): Store backpointer to
3565         incremental info entry.
3566         (Output_section_incremental_inputs::set_final_data_size): Record
3567         additional information for scripts.
3568         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3569         * incremental.h (Incremental_script_entry::add_object): New function.
3570         (Incremental_script_entry::get_object_count): New function.
3571         (Incremental_script_entry::get_object): New function.
3572         (Incremental_script_entry::objects_): New data member; adjust
3573         constructor.
3574         (Incremental_inputs::report_archive_begin): Add script_info parameter.
3575         (Incremental_inputs::report_object): Add script_info parameter.
3576         (Incremental_inputs_reader::get_object_count): New function.
3577         (Incremental_inputs_reader::get_object_offset): New function.
3578         * options.cc (Input_arguments::add_file): Return reference to
3579         new input argument.
3580         * options.h (Input_argument::set_script_info): New function.
3581         (Input_argument::script_info): New function.
3582         (Input_argument::script_info_): New data member; adjust all
3583         constructors.
3584         (Input_file_group::add_file): Return reference to new input argument.
3585         (Input_file_lib::add_file): Likewise.
3586         (Input_arguments::add_file): Likewise.
3587         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
3588         * script.cc (Parser_closure::Parser_closure): Add script_info
3589         parameter; adjust all callers.
3590         (Parser_closure::script_info): New function.
3591         (Parser_closure::script_info_): New data member.
3592         (read_input_script): Report scripts earlier to incremental info.
3593         (script_add_file): Set script_info in Input_argument.
3594         (script_add_library): Likewise.
3595         * script.h (Script_options::Script_info): Rewrite class.
3596
3597 2011-03-29  Cary Coutant  <ccoutant@google.com>
3598
3599         * archive.cc (Library_base::should_include_member): Move
3600         method here from class Archive.
3601         (Archive::Archive): Initialize base class.
3602         (Archive::should_include_member): Move to base class.
3603         (Archive::do_for_all_unused_symbols): New function.
3604         (Add_archive_symbols::run): Remove redundant access to
3605         incremental_inputs.
3606         (Lib_group::Lib_group): Initialize base class.
3607         (Lib_group::do_filename): New function.
3608         (Lib_group::include_member): Pass pointer to Lib_group to
3609         report_object.
3610         (Lib_group::do_for_all_unused_symbols): New function.
3611         (Add_lib_group_symbols::run): Report archive information for
3612         incremental links.
3613         * archive.h (class Library_base): New base class.
3614         (class Archive): Derive from Library_base.
3615         (Archive::filename): Move to base class.
3616         (Archive::set_incremental_info): Likewise.
3617         (Archive::incremental_info): Likewise.
3618         (Archive::Should_include): Likewise.
3619         (Archive::should_include_member): Likewise.
3620         (Archive::Armap_entry): Remove.
3621         (Archive::Unused_symbol_iterator): Remove.
3622         (Archive::unused_symbols_begin): Remove.
3623         (Archive::unused_symbols_end): Remove.
3624         (Archive::do_filename): New function.
3625         (Archive::do_get_mtime): New function.
3626         (Archive::do_for_all_unused_symbols): New function.
3627         (Archive::task_): Move to base class.
3628         (Archive::incremental_info_): Likewise.
3629         (class Lib_group): Derive from Library_base.
3630         (Lib_group::do_filename): New function.
3631         (Lib_group::do_get_mtime): New function.
3632         (Lib_group::do_for_all_unused_symbols): New function.
3633         (Lib_group::task_): Move to base class.
3634         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
3635         function.
3636         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
3637         function.
3638         * incremental.cc (Incremental_inputs::report_archive_begin):
3639         Use Library_base; call library's get_mtime; add incremental inputs
3640         entry before members.
3641         (class Unused_symbol_visitor): New class.
3642         (Incremental_inputs::report_archive_end): Use Library_base; use
3643         visitor class to record unused symbols; don't add incremental inputs
3644         entry after members.
3645         (Incremental_inputs::report_object): Use Library_base.
3646         * incremental.h
3647         (Incremental_archive_entry::Incremental_archive_entry): Remove
3648         unused Archive parameter.
3649         (Incremental_inputs::report_archive_begin): Use Library_base.
3650         (Incremental_inputs::report_archive_end): Likewise.
3651         (Incremental_inputs::report_object): Likewise.
3652         * object.cc (Sized_relobj::do_for_all_global_symbols): New
3653         function.
3654         * object.h (Object::for_all_global_symbols): New function.
3655         (Object::do_for_all_global_symbols): New function.
3656         (Sized_relobj::do_for_all_global_symbols): New function.
3657         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
3658         function.
3659         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
3660         function.
3661
3662 2011-03-27  Ian Lance Taylor  <iant@google.com>
3663
3664         * archive.cc (Archive::interpret_header): Return -1 if something
3665         goes wrong.  Change callers accordingly.
3666
3667 2011-03-25  Cary Coutant  <ccoutant@google.com>
3668
3669         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
3670         * testsuite/Makefile.in: Regenerate.
3671
3672 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
3673
3674         * plugin.cc (get_view): New.
3675         (Plugin::load): Pass get_view to the plugin.
3676         (Plugin_manager::get_view): New.
3677
3678 2011-03-21  Ian Lance Taylor  <iant@google.com>
3679
3680         * testsuite/final_layout.sh: Rewrite to not use dc.
3681         * testsuite/relro_test.sh: Fail if dc is not present.
3682
3683 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
3684
3685         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
3686         Change == to -eq.
3687         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
3688         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
3689         Change == to -eq.
3690         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
3691         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
3692
3693 2011-03-14  Ian Lance Taylor  <iant@google.com>
3694
3695         * script-sections.cc (Sort_output_sections::script_compare):
3696         Rename from is_before, change return type.
3697         (Sort_output_sections::operator()): Adjust accordingly.
3698
3699 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
3700
3701         PR gold/12572
3702         * testsuite/odr_violation2.cc: Add comment to make all error line
3703         numbers double digits.
3704         * testsuite/debug_msg.sh: Adjust expected errors.
3705
3706 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
3707
3708         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
3709         but mark earlier ones as non-canonical
3710         (offset_to_iterator): Update search target and example
3711         (do_addr2line): Return extra lines in a vector*
3712         (format_file_lineno): Extract from do_addr2line
3713         (one_addr2line): Add vector* out-param
3714         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
3715         when a lineno entry appeared last for its instruction
3716         (Dwarf_line_info): Add vector* out-param
3717         * object.cc (Relocate_info): Pass NULL for the vector* out-param
3718         * symtab.cc (Odr_violation_compare): Include the lineno in the
3719         comparison again.
3720         (linenos_from_loc): New. Combine the canonical line for an
3721         address with its other lines.
3722         (True_if_intersect): New. Helper functor to make
3723         std::set_intersection a query.
3724         (detect_odr_violations): Compare sets of lines instead of just
3725         one line for each function. This became less deterministic, but
3726         has fewer false positives.
3727         * symtab.h: Declarations.
3728         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
3729         mix an optimized and non-optimized object in the same binary
3730         (odr_violation2.so): Same.
3731         * testsuite/Makefile.in: Regenerate from Makefile.am.
3732         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3733         * testsuite/debug_msg.sh: Update line numbers and add
3734         assertions.
3735         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3736         non-optimized context.
3737         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3738         isn't inlined, and use OdrDerived in an optimized context.
3739         * testsuite/odr_header1.h: Defines OdrDerived, where
3740         optimization will change the
3741         first-instruction-in-the-destructor's file and line number.
3742         * testsuite/odr_header2.h: Defines OdrBase.
3743
3744 2011-03-09  Ian Lance Taylor  <iant@google.com>
3745
3746         * fileread.cc (File_read::clear_views): Don't delete the whole
3747         file view.
3748
3749 2011-03-08  Ian Lance Taylor  <iant@google.com>
3750
3751         PR gold/12525
3752         * fileread.cc: #include <climits>.
3753         (GOLD_IOV_MAX): Define.
3754         (File_read::read_multiple): Limit number of entries by iov_max.
3755         * fileread.h (class File_read): Always set max_readv_entries to
3756         128.
3757
3758 2011-03-07  Ian Lance Taylor  <iant@google.com>
3759
3760         PR gold/12525
3761         * options.h (class General_options): Add -dy and -dn.
3762
3763 2011-03-02  Cary Coutant  <ccoutant@google.com>
3764
3765         * testsuite/script_test_9.t: Add TLS segment.
3766
3767 2011-03-02  Simon Baldwin  <simonb@google.com>
3768
3769         * configure.ac: Add check for gnu_indirect_function support in
3770         the toolchain building binutils.
3771         * configure: Rebuild.
3772
3773 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3774
3775         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3776         plugin only symbols.
3777         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3778         in plugin files as not needed in the symbol table.
3779
3780 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3781
3782         * output.cc (Output_section::add_input_section): Delay fill
3783         generation for section ordering.
3784
3785 2011-02-09  Ian Lance Taylor  <iant@google.com>
3786
3787         PR gold/12316
3788         * object.h (class Sized_relobj): Remove clear_local_symbols.
3789         * reloc.cc (Sized_relobj::do_relocate): Don't call
3790         clear_local_symbols.
3791
3792 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3793
3794         * plugin.cc (is_visible_from_outside): Return true for symbols
3795         in the -u option.
3796
3797 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3798
3799         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3800         filename.
3801
3802 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3803
3804         * icf.h (is_section_foldable_candidate): Change type of parameter
3805         to std::string.
3806         * icf.cc (Icf::find_identical_sections): Change type of local variable
3807         section_name to be std::string.
3808         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3809
3810 2011-01-25  Ian Lance Taylor  <iant@google.com>
3811
3812         * script.cc (script_add_extern): Rewrite to use
3813         add_symbol_reference.
3814
3815 2011-01-25  Doug Kwan  <dougkwan@google.com>
3816
3817         * icf.cc (get_section_contents): Always lock section's object.
3818
3819 2011-01-24  Ian Lance Taylor  <iant@google.com>
3820
3821         * options.h (class General_options): Accept
3822         --no-detect-odr-violations.
3823
3824 2011-01-24  Ian Lance Taylor  <iant@google.com>
3825
3826         * version.cc (version_string): Bump to 1.11.
3827
3828 2011-01-24  Ian Lance Taylor  <iant@google.com>
3829
3830         * plugin.cc (class Plugin_rescan): Define new class.
3831         (Plugin_manager::claim_file): Set any_claimed_.
3832         (Plugin_manager::save_archive): New function.
3833         (Plugin_manager::save_input_group): New function.
3834         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3835         necessary.
3836         (Plugin_manager::new_undefined_symbol): New function.
3837         (Plugin_manager::rescan): New function.
3838         (Plugin_manager::rescannable_defines): New function.
3839         (Plugin_manager::add_input_file): Set any_added_.
3840         * plugin.h (class Plugin_manager): define new fields rescannable_,
3841         undefined_symbols_, any_claimed_, and any_added_.  Declare
3842         Plugin_rescan as friend.  Declare new functions.
3843         (Plugin_manager::Rescannable): Define type.
3844         (Plugin_manager::Rescannable_list): Define type.
3845         (Plugin_manager::Undefined_symbol_list): Define type.
3846         (Plugin_manager::Plugin_manager): Initialize new fields.
3847         * archive.cc (Archive::defines_symbol): New function.
3848         (Add_archive_symbols::run): Pass archive to plugins if any.
3849         * archive.h (class Archive): Declare defines_symbol.
3850         * readsyms.cc (Input_group::~Input_group): New function.
3851         (Finish_group::run): Pass input_group to plugins if any.
3852         * readsyms.h (class Input_group): Declare destructor.
3853         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3854         any.
3855
3856 2011-01-10  Ian Lance Taylor  <iant@google.com>
3857
3858         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3859         section as relro.
3860         (Layout::set_segment_offsets): Reset increase_relro before calling
3861         set_section_addresses a second time.
3862
3863 2011-01-04  Cary Coutant  <ccoutant@google.com>
3864
3865         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3866         sections before NOBITS sections.
3867
3868 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3869
3870         * version.cc (print_version): Update copyright to 2011.
3871
3872 2010-12-23  Cary Coutant  <ccoutant@google.com>
3873
3874         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3875         of OS to this->add.  Add OD parameter to second form of the function.
3876
3877 2010-12-20  Ian Lance Taylor  <iant@google.com>
3878
3879         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3880         second of two consecutive entries with same offset.
3881
3882 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3883
3884         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3885         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3886         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3887         to avoid unneeded links against $(LDADD).
3888         * testsuite/Makefile.in: Regenerate.
3889
3890 2010-12-15  Ian Lance Taylor  <iant@google.com>
3891
3892         PR gold/12324
3893         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3894         for R_X86_64_32 and R_X86_64_PC32.
3895         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3896         ver_matching_def_pic.o.
3897         (ver_matching_def_pic.o): New target.
3898
3899 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3900
3901         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3902         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3903         Move definition before File_read::View member definitions.
3904         (File_read::View::~View): Initialize and hold lock before
3905         updating current_mapped_bytes.
3906
3907 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3908
3909         * dwarf_reader.cc: Remove outdated comment.
3910         * gold-threads.cc: Fix typo in error message.
3911         * archive.cc: Fix typos in comments.
3912         * archive.h: Likewise.
3913         * arm-reloc-property.cc: Likewise.
3914         * arm-reloc-property.h: Likewise.
3915         * arm-reloc.def: Likewise.
3916         * arm.cc: Likewise.
3917         * attributes.h: Likewise.
3918         * cref.cc: Likewise.
3919         * ehframe.cc: Likewise.
3920         * fileread.h: Likewise.
3921         * gold.h: Likewise.
3922         * i386.cc: Likewise.
3923         * icf.cc: Likewise.
3924         * incremental.h: Likewise.
3925         * int_encoding.cc: Likewise.
3926         * layout.h: Likewise.
3927         * main.cc: Likewise.
3928         * merge.h: Likewise.
3929         * object.cc: Likewise.
3930         * object.h: Likewise.
3931         * options.cc: Likewise.
3932         * readsyms.cc: Likewise.
3933         * reduced_debug_output.cc: Likewise.
3934         * reloc.cc: Likewise.
3935         * script-sections.cc: Likewise.
3936         * sparc.cc: Likewise.
3937         * symtab.h: Likewise.
3938         * target-reloc.h: Likewise.
3939         * target.cc: Likewise.
3940         * target.h: Likewise.
3941         * timer.cc: Likewise.
3942         * timer.h: Likewise.
3943         * x86_64.cc: Likewise.
3944
3945 2010-12-09  Cary Coutant  <ccoutant@google.com>
3946
3947         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3948         stack.
3949         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3950         parameter; change all callers.
3951         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3952         * options.h (warn_execstack): New option.
3953
3954 2010-12-07  Doug Kwan  <dougkwan@google.com>
3955
3956         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3957         like function call relocations.
3958
3959 2010-12-07  Ian Lance Taylor  <iant@google.com>
3960
3961         * archive.cc (Archive::get_elf_object_for_member): Permit
3962         punconfigured to be NULL.
3963         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3964         (Archive::include_member): Pass NULL to get_elf_object_for_member
3965         if we searched for the archive and this is the first included
3966         object.
3967
3968 2010-12-01  Ian Lance Taylor  <iant@google.com>
3969
3970         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3971         track_relocs_type_ field.
3972         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3973         Set track_relocs_type_.
3974         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3975         contents when using RELA relocs.
3976         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3977         reloc_map_.
3978         * reloc.cc (Track_relocs::next_addend): New function.
3979         * reloc.h (class Track_relocs): Declare next_addend.
3980
3981 2010-12-01  Ian Lance Taylor  <iant@google.com>
3982
3983         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3984         virtual destructor.
3985
3986 2010-12-01  Ian Lance Taylor  <iant@google.com>
3987
3988         * README: Update compilers known to work and fail.
3989
3990 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3991
3992         * configure.in: For --enable-gold, handle value `default' instead of
3993         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3994         not the default.
3995         * configure: Regenerate.
3996
3997 2010-11-18  Doug Kwan  <dougkwan@google.com>
3998
3999         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
4000         and right_alignment to be zero.  Store result alignment only if it is
4001         greater than existing alignment.
4002
4003 2010-11-16  Cary Coutant  <ccoutant@google.com>
4004
4005         PR gold/12220
4006         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4007         Check for ".zdebug_line".
4008
4009 2010-11-16  Doug Kwan  <dougkwan@google.com>
4010             Cary Coutant  <ccoutant@google.com>
4011
4012         * output.h (Output_segment::set_section_addresses): Pass increase_relro
4013         by reference; adjust all callers.
4014         * output.cc (Output_segment::set_section_addresses): Adjust references
4015         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
4016         list is empty.
4017         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
4018         end at page boundary.
4019
4020 2010-11-16  Cary Coutant  <ccoutant@google.com>
4021
4022         PR gold/12220
4023         * layout.cc (Layout::choose_output_section): Transform names of
4024         compressed sections even when using a script with a SECTIONS clause.
4025         (Layout::output_section_name): Remove code to transform
4026         compressed debug section names.
4027         * output.cc (Output_section::add_input_section): Use uncompressed
4028         section size when tracking input sections.
4029
4030 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
4031
4032         * symtab.h (Symbol::NON_PIC_REF): Remove.
4033         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
4034         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
4035         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
4036         (Symbol::use_plt_offset): Take a flags argument and pass it
4037         directly to needs_dynamic_reloc.  Restrict check for undefined
4038         weak symbols to function calls.
4039         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
4040         (Target_arm::Scan::global): Use it.
4041         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
4042         (Target_arm::Relocate::relocate): Likewise.
4043         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
4044         parameter with an r_type parameter.  Use get_reference_flags
4045         to get the flags.
4046         (Target_arm::Relocate::relocate): Update accordingly.
4047         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
4048         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
4049         (Target_i386::Scan::global): Likewise.
4050         (Target_i386::Relocate::relocate): Likewise.
4051         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
4052         parameter with an r_type parameter.  Use get_reference_flags
4053         to get the flags.
4054         (Target_i386::Relocate::relocate): Update accordingly.
4055         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
4056         (Target_powerpc::Scan::global): Use it.
4057         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
4058         (Target_powerpc::Relocate::relocate): Likewise.
4059         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
4060         (Target_sparc::Scan::global): Use it.
4061         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
4062         (Target_sparc::Relocate::relocate): Likewise.
4063         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
4064         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
4065         (Target_x86_64::Scan::global): Likewise.
4066         (Target_x86_64::Relocate::relocate): Likewise.
4067
4068 2010-11-08  Doug Kwan  <dougkwan@google.com>
4069             Cary Coutant  <ccoutant@google.com>
4070
4071         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
4072         (Arm_exidx_merge_section::section_contents_): New data member.
4073         (Arm_input_section::Arm_input_section): Initialize original_contents_.
4074         (Arm_input_section::~Arm_input_section): De-allocate memory.
4075         (Arm_input_section::original_contents_): New data member.
4076         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
4077         in parameters instead of calling Object::section_contents without
4078         locking.
4079         (Arm_output_section::group_section): New parameter TASK.  Pass it
4080         to callees that need locking objects.
4081         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
4082         to lock EXIDX input sections.  Fix a formatting issue.  Call
4083         Arm_exidx_merged_section::build_contents to create merged section
4084         contents.
4085         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
4086         to lock object of stub table owner.
4087         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
4088         TEXT_SIZE to initialize data member TEXT_SIZE_.
4089         (Arm_exidx_input_section::addralign): Fix typo in comment.
4090         (Arm_exidx_input_section::text_size): New method.
4091         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
4092         that require locking objects.  Lock objects before scanning for stubs
4093         and updating local symbols.
4094         (Arm_input_section<big_endian>::init): Copy contents of original
4095         input section.
4096         (Arm_input_section<big_endian>::do_write): Use saved contents of
4097         original input section instead of calling Object::section_contents
4098         without locking.
4099         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
4100         size without calling Object::section_size().
4101         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
4102         for size.  Allocate a buffer for merged EXIDX entries.
4103         (Arm_exidx_merged_section::build_contents): New method.
4104         (Arm_exidx_merged_section::do_write): Move merge section contents
4105         building code to Arm_exidx_merged_section::build_contetns.  Write
4106         out contetns in buffer instead of building it on the fly.
4107         (Arm_relobj::make_exidx_input_section): Also pass text section size
4108         to Arm_exidx_input_section constructor.
4109         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
4110         (Arm_dynobj::do_read_symbols): Fix memory leak.
4111         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
4112         * target.h: (class Task): Add forward declaration.
4113         (Target::relax): Add new parameter TASK and pass it to
4114         Target::do_relax().
4115         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
4116
4117 2010-11-05  Cary Coutant  <ccoutant@google.com>
4118
4119         PR gold/10708
4120         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
4121         object when reading from the file.
4122         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
4123         second layout pass.
4124         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
4125         when reading section contents.
4126         (get_section_contents): Likewise.
4127         (icf::find_identical_sections): Likewise.
4128         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
4129         object when reading from the file.
4130         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
4131         the object when doing deferred section layout.
4132
4133 2010-11-03  Nick Clifton  <nickc@redhat.com>
4134
4135         PR gold/12001
4136         * script.h (class Symbol_assignment: name): New member.  Returns
4137         the name of the symbol.
4138         * scrfipt.cc (Script_options::is_pending_assignment): New member.
4139         Returns true if the given symbol name is on the list of
4140         assignments wating to be processed.
4141         * archive.cc (should_incldue_member): If the symbol is undefined,
4142         check to see if it is on the list of symbols pending assignment.
4143
4144 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
4145
4146         * script-sections.cc (Script_sections::find_memory_region): Check
4147         for a NULL output section pointer.
4148
4149 2010-10-29  Doug Kwan  <dougkwan@google.com>
4150
4151         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
4152         Output_section::add_relaxed_input_section.
4153         * output.cc (Output_section::add_relaxed_input_section): Add new
4154         arguments LAYOUT and NAME.  Set section order index.
4155         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4156         Copy section order index.
4157         * output.h (Output_section::add_relaxed_input_section): Add new
4158         arguments LAYOUT and NAME.
4159
4160 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4161
4162         * testsuite/Makefile.am: Move gcctestdir/ld rule to
4163         NATIVE_OR_CROSS_LINKER.
4164         * testsuite/Makefile.in: Regenerate.
4165
4166 2010-10-20  Doug Kwan  <dougkwan@google.com>
4167
4168         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
4169         without SHF_LINK_ORDER flags.
4170         * layout.cc (Layout::choose_output_section): Do not filter
4171         SHF_LINK_ORDER flag in a relocatable link.
4172
4173 2010-10-17  Cary Coutant  <ccoutant@google.com>
4174
4175         * output.h (Output_segment::set_section_addresses): Change function
4176         signature.  Update all callers.
4177         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
4178         sections.
4179         (Output_segment::set_section_addresses): Align after last TLS
4180         section.  Add padding before last relro section instead of after.
4181
4182 2010-10-17  Doug Kwan  <dougkwan@google.com>
4183
4184         * gold/arm.cc (Target_arm::got_section): Use correct order and set
4185         GOT output section to be writable.
4186
4187 2010-10-14  Cary Coutant  <ccoutant@google.com>
4188
4189         * debug.h (DEBUG_INCREMENTAL): New flag.
4190         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
4191         * gold.cc (queue_initial_tasks): Check parameters for incremental link
4192         mode.
4193         * incremental.cc (report_command_line): Ignore all forms of
4194         --incremental.
4195         * layout.cc (Layout::Layout): Check parameters for incremental link
4196         mode.
4197         * options.cc (General_options::parse_incremental): New function.
4198         (General_options::parse_no_incremental): New function.
4199         (General_options::parse_incremental_full): New function.
4200         (General_options::parse_incremental_update): New function.
4201         (General_options::incremental_mode_): New data member.
4202         (General_options::finalize): Check incremental_mode_.
4203         * options.h (General_options): Update help text for --incremental.
4204         Add --no-incremental, --incremental-full, --incremental-update.
4205         (General_options::Incremental_mode): New enum type.
4206         (General_options::incremental_mode): New function.
4207         (General_options::incremental_mode_): New data member.
4208         * parameters.cc (Parameters::incremental_mode_): New data member.
4209         (Parameters::set_options): Set incremental_mode_.
4210         (Parameters::set_incremental_full): New function.
4211         (Parameters::incremental): New function.
4212         (Parameters::incremental_update): New function.
4213         (set_parameters_incremental_full): New function.
4214         * parameters.h (Parameters::set_incremental_full): New function.
4215         (Parameters::incremental): New function.
4216         (Parameters::incremental_update): New function.
4217         (Parameters::incremental_mode_): New data member.
4218         (set_parameters_incremental_full): New function.
4219         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
4220         incremental link mode.
4221         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
4222         (Sized_relobj::do_relocate_sections): Likewise.
4223         * testsuite/Makefile.am (incremental_test): Use --incremental-full
4224         option.
4225         * testsuite/Makefile.in: Regenerate.
4226         * testsuite/incremental_test.sh: Filter all forms of --incremental.
4227
4228 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4229
4230         * script-sections.h (class Script_sections): Make
4231         Sections_elements typedef public.
4232         * script-sections.cc (class Sort_output_sections): Add elements_
4233         field.  Add constructor which sets it; change all callers.
4234         (Sort_output_sections::is_before): New function.
4235         (Sort_output_sections::operator()): Call is_before.
4236         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
4237         conditional.
4238         * testsuite/script_test_10.sh: New test. Test script section
4239         order.
4240         * testsuite/script_test_10.t: Likewise.
4241         * testsuite/script_test_10.s: Likewise.
4242         * testsuite/Makefile.am: Wrap the cross linker tests and the
4243         common tests into NATIVE_OR_CROSS_LINKER.
4244         (check_SCRIPTS): Add script_test_10.sh.
4245         (check_DATA): Add script_test_10.stdout.
4246         (script_test_10.o, script_test_10): New targets.
4247         (script_test_10.stdout): New target.
4248         * configure, testsuite/Makefile.in: Regenerate.
4249
4250 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4251
4252         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
4253         error for the deprecated relocations.
4254         (Target_arm::Scan::global): Likewise.
4255         (Target_arm::Relocate::relocate): Likewise.
4256
4257 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
4258
4259         * fileread.cc (Input_file::find_file): Initialize *found_name
4260         and *namep when using the fallback search for case 4.
4261
4262 2010-10-11  Cary Coutant  <ccoutant@google.com>
4263
4264         * options.h (class General_options): Redefine -z lazy as an alias for
4265         the negation of -z now.
4266
4267 2010-10-11  Ian Lance Taylor  <iant@google.com>
4268
4269         * resolve.cc (symbol_to_bits): Report the value of the unsupported
4270         binding.
4271
4272 2010-10-06  Nick Clifton  <nickc@redhat.com>
4273
4274         * script-sections.cc(class Memory_region): Remove
4275         current_lma_offset_ field.  Rename current_vma_offset_ to
4276         current_offset_.  Add last_section_ field.
4277         (Memory_region::get_current_vma_address): Rename to
4278         get_current_address.
4279         (Memory_region::get_current_lma_address): Delete.
4280         (Memory_region::increment_vma_offset): Rename to
4281         increment_offset.
4282         (Memory_region::increment_lma_offset): Delete.
4283         (Memory_region::attributes_compatible): New method.  Returns
4284         true if the provided section is compatible with the region.
4285         (Memory_region::get_last_section): New method.  Returns the last
4286         section to use the region.
4287         (Memory_region::set_last_section): New method.  Stores the last
4288         section to use the region.
4289         (Script_sections::block_in_region): New method.  Returns true if
4290         a block of memory is contained within a region.
4291         (Script_sections::find_memory_region): New method.  Locates a
4292         memory region to be used to set a VMA or LMA address.
4293         (Output_section_definition::set_section_addresses): Add code to
4294         check for addresses set by memory regions.
4295         (Output_segment::set_section_addresses): Remove memory region
4296         walking code.
4297         (Script_sections::create_segment): Add a warning if a header
4298         segment is created outside of any region.
4299         * script-sections.h (class Script_sections): Add prototypes for
4300         find_memory_region and block_in_region methods.
4301         * testsuite/memory_test.s: Use .long instead of .word.
4302         * testsuite/memory_test.t: Add some more output sections.
4303         * testsuite/memory_test.sh: Update expected output.
4304
4305 2010-10-02  Doug Kwan  <dougkwan@google.com>
4306
4307         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
4308         defintion to symtab.h
4309         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
4310         declaration to defintion.
4311
4312 2010-10-01  Nick Clifton  <nickc@redhat.com>
4313
4314         * expression.cc (eval): Replace dummy argument with NULL.
4315         (eval_maybe_dot): Check for a NULL result section pointer.
4316         (Symbol_expression::value): Likewise.
4317         (Dot_expression::value): Likewise.
4318         (BINARY_EXPRESSION): Likewise.
4319         (Max_expression::value): Likewise.
4320         (Min_expression::value): Likewise.
4321         (Absolute_expression::value): Likewise.
4322         (Addr_expression::value_from_output_section): Likewise.
4323         (Loaddddr_expression::value_from_output_section): Likewise.
4324         (Segment_start_expression::value): Likewise.
4325         * script-sections.cc
4326         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
4327         argument with NULL.
4328         (Sections_elememt_dot_assignment::set_section_addresses):
4329         Likewise.
4330         (Output_data_expression::do_write_to_buffer): Likewise.
4331         (Output_section_definition::finalize_symbols): Likewise.
4332         (Output_section_definition::set_section_addresses): Likewise.
4333
4334 2010-09-30  Doug Kwan  <dougkwan@google.com>
4335
4336         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4337
4338 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4339
4340         * target.h (Target::can_icf_inline_merge_sections): New virtual
4341         function.
4342         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4343         virtual function.
4344         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4345         virtual function.
4346         * icf.cc (get_section_contents): Inline merge sections only when
4347         target allows it.
4348
4349 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4350
4351         * configure: Regenerate.
4352
4353 2010-09-17  Ian Lance Taylor  <iant@google.com>
4354
4355         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4356         * testsuite/Makefile.am (memory_test.o): New target.
4357         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4358         memory_test.t.
4359         * testsuite/Makefile.in: Rebuild.
4360
4361 2010-09-17  Doug Kwan  <dougkwan@google.com>
4362
4363         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4364         defintion if relocation uses GOT entries of the symbol.
4365         * testsuite/icf_safe_test.sh: Fix test.
4366         * testsuite/icf_safe_so_test.sh: Fix test.
4367
4368 2010-09-16  Cary Coutant  <ccoutant@google.com>
4369
4370         * script_sections.cc (class Memory_region): Remove "NULL" from
4371         vector initializations.
4372
4373 2010-09-15  Cary Coutant  <ccoutant@google.com>
4374
4375         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4376         Resolve forwarding symbols.
4377
4378 2010-09-15  Doug Kwan  <dougkwan@google.com>
4379
4380         * gold/testsuite/script_test_3.t: Add ARM special sections.
4381         * gold/testsuite/script_test_4.t: Same.
4382         * gold/testsuite/script_test_5.t: Same.
4383         * gold/testsuite/script_test_6.t: Same.
4384         * gold/testsuite/script_test_7.t: Same.
4385         * gold/testsuite/script_test_7.t: Same.
4386         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4387
4388 2010-09-14  Cary Coutant  <ccoutant@google.com>
4389
4390         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4391         (Target_x86_64::Relocate::relocate_tls): Replace check for
4392         saw_tls_block_reloc_ with test for executable section.
4393
4394 2010-09-12  Cary Coutant  <ccoutant@google.com>
4395
4396         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4397         position-independent executables to shared libraries need dynamic
4398         relocations.
4399         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4400         position-independent executables.
4401         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4402         * testsuite/Makefile.in: Regenerate.
4403
4404 2010-09-10  Nick Clifton  <nickc@redhat.com>
4405
4406         PR gold/11997
4407         * testsuite/memory_test.t: Discard any sections that are not
4408         needed.
4409
4410 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4411
4412         PR gold/11996
4413         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4414         "This::" to work around a bug in gcc 4.2.
4415
4416         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4417
4418 2010-09-09  Rafael Espindola  <espindola@google.com>
4419
4420         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4421         sections with different PF_X flags in the same segment.
4422         (Layout::find_first_load_seg): Search all segments to find the first
4423         one.
4424         * options.h (rosegment): New.
4425
4426 2010-09-08  Rafael Espindola  <espindola@google.com>
4427
4428         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4429
4430 2010-09-08  Doug Kwan  <dougkwan@google.com>
4431
4432         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4433         (Arm_relobj::do_relocate_sections): Add new parameter for output
4434         file to match the parent.
4435         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
4436         of local symbols instead of input values.  Update code to track
4437         changes in gold::relocate_section.
4438         * object.cc (Sized_relobj::compute_final_local_value): New methods.
4439         (Sized_relobj::compute_final_local_value_internal): New methods.
4440         (Sized_relobj::do_finalize_local_symbols): Move code from loop
4441         body into private version of Sized_relobj::compute_final_local_value.
4442         Call the inline method.
4443         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
4444         merged symbol value if there is one.
4445         (Symbol_value::has_output_value): New method defintiion.
4446         (Sized_relobj::Compute_final_local_value_status): New enum type.
4447         (Sized_relobj::compute_final_local_value): New methods.
4448         (Sized_relobj::compute_final_local_value_internal): New methods.
4449         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
4450         and arm_cortex_a8.sh.
4451         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
4452         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
4453         New tests.
4454         * Makefile.in: Regenerate.
4455         * testsuite/arm_bl_out_of_range.s: Update test.
4456         * testsuite/thumb_bl_out_of_range.s: Ditto.
4457         * testsuite/thumb_blx_out_of_range.s: Ditto.
4458         * testsuite/arm_branch_out_of_range.sh: New file.
4459         * testsuite/arm_cortex_a8.sh: Ditto.
4460         * testsuite/arm_cortex_a8_b.s: Ditto.
4461         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
4462         * testsuite/arm_cortex_a8_b_local.s: Ditto.
4463         * testsuite/arm_cortex_a8_bl.s: Ditto.
4464         * testsuite/arm_cortex_a8_blx.s: Ditto.
4465         * testsuite/arm_cortex_a8_local.s: Ditto.
4466         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
4467         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
4468
4469 2010-09-08  Rafael Espindola  <espindola@google.com>
4470
4471         * Makefile.am (memory_test.stdout): Run readelf with -W.
4472         * Makefile.in: Regenerate.
4473         * testsuite/memory_test.sh: Make the regexps accept both 32 and
4474         64 bit output.
4475
4476 2010-09-08  Rafael Espindola  <espindola@google.com>
4477
4478         * script-sections.cc (Script_sections::add_memory_region): Convert
4479         field precision to int.
4480         * script.cc (script_set_section_region, script_set_section_region):
4481         Convert field precision to int.
4482
4483 2010-09-08  Rafael Espindola  <espindola@google.com>
4484
4485         * arm.cc (do_finalize_sections): Create the __exidx_start and
4486         __exdix_end symbols even when the section is missing.
4487
4488 2010-09-08  Nick Clifton  <nickc@redhat.com>
4489
4490         * README: Remove claim that MEMORY is not supported.
4491         * expression.cc (script_exp_function_origin)
4492         (script_exp_function_length): Move from here to ...
4493         * script.cc: ... here.
4494         (script_set_section_region, script_add_memory)
4495         (script_parse_memory_attr, script_include_directive): New
4496         functions.
4497         * script-sections.cc
4498         (class Memory_region): New class.
4499         (class Output_section_definition): Add set_memory_region,
4500         set_section_vma, set_section_lma and get_section_name methods.
4501         (class Script_Sections): Add add_memory_region,
4502         find_memory_region, find_memory_region_origin,
4503         find_memory_region_length and set_memory_region methods.
4504         Have set_section_addresses method walk the list of set memory
4505         regions.
4506         Extend the print methos to display memory regions.
4507         * script-sections.h: Add prototypes for new methods.
4508         Add enum for MEMORY region attributes.
4509         * yyscript.y: Add support for parsing MEMORY regions.
4510         * script-c.h: Add prototypes for new functions.
4511         * testsuite/Makefile.am: Add test of MEMORY region functionality.
4512         * testsuite/Makefile.in: Regenerate.
4513         * testsuite/memory_test.sh: New script.
4514         * testsuite/memory_test.s: New assembler source file.
4515         * testsuite/memory_test.t: New linker script.
4516
4517 2010-08-27  Doug Kwan  <dougkwan@google.com>
4518
4519         * gold/resolve.cc (Symbol_table::should_override): Let a weak
4520         reference override an existing dynamic weak reference.
4521         * testsuite/Makefile.am: Add new test dyn_weak_ref.
4522         * testsuite/Makefile.in: Regenerate.
4523         * testsuite/dyn_weak_ref.sh: New file.
4524         * testsuite/dyn_weak_ref_1.c: Ditto.
4525         * testsuite/dyn_weak_ref_2.c: Ditto.
4526
4527 2010-08-27  Ian Lance Taylor  <iant@google.com>
4528
4529         * incremental.h (class Incremental_input_entry): Add virtual
4530         destructor.
4531
4532 2010-08-27  Ian Lance Taylor  <iant@google.com>
4533
4534         * testsuite/start_lib_test_3.c: Mark t3 as used.
4535
4536 2010-08-27  Nick Clifton  <nickc@redhat.com>
4537
4538         * options.cc (version_script): Fix small typo in previous
4539         whitespace tidyup.
4540
4541 2010-08-25  Nick Clifton  <nickc@redhat.com>
4542
4543         * archive.cc: Formatting fixes: Remove whitespace between
4544         typename and following asterisk.  Remove whitespace between
4545         function name and opening parenthesis.
4546         * archive.h: Likewise.
4547         * arm.cc: Likewise.
4548         * attributes.cc: Likewise.
4549         * attributes.h: Likewise.
4550         * common.cc: Likewise.
4551         * copy-relocs.cc: Likewise.
4552         * dirsearch.h: Likewise.
4553         * dynobj.cc: Likewise.
4554         * ehframe.cc: Likewise.
4555         * ehframe.h: Likewise.
4556         * expression.cc: Likewise.
4557         * fileread.cc: Likewise.
4558         * fileread.h: Likewise.
4559         * gc.h: Likewise.
4560         * gold-threads.cc: Likewise.
4561         * gold.cc: Likewise.
4562         * i386.cc: Likewise.
4563         * icf.h: Likewise.
4564         * incremental-dump.cc: Likewise.
4565         * incremental.cc: Likewise.
4566         * layout.cc: Likewise.
4567         * layout.h: Likewise.
4568         * main.cc: Likewise.
4569         * merge.cc: Likewise.
4570         * merge.h: Likewise.
4571         * object.cc: Likewise.
4572         * object.h: Likewise.
4573         * options.cc: Likewise.
4574         * options.h: Likewise.
4575         * output.cc: Likewise.
4576         * output.h: Likewise.
4577         * plugin.cc: Likewise.
4578         * plugin.h: Likewise.
4579         * powerpc.cc: Likewise.
4580         * reloc.cc: Likewise.
4581         * script-c.h: Likewise.
4582         * script-sections.cc: Likewise.
4583         * script.cc: Likewise.
4584         * stringpool.cc: Likewise.
4585         * symtab.cc: Likewise.
4586         * symtab.h: Likewise.
4587         * target.cc: Likewise.
4588         * timer.cc: Likewise.
4589         * timer.h: Likewise.
4590         * version.cc: Likewise.
4591         * x86_64.cc: Likewise.
4592
4593 2010-08-24  Nick Clifton  <nickc@redhat.com>
4594
4595         PR 11899
4596         * layout.cc (segment_precedes): Sort segments by their physical
4597         addresses, if they have been set.
4598
4599 2010-08-23  Cary Coutant  <ccoutant@google.com>
4600
4601         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
4602         symbols data.
4603         (Lib_group::include_member): Unlock object after deleting its
4604         symbols data.
4605         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
4606         the bug fixed here.
4607
4608 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
4609             Cary Coutant  <ccoutant@google.com>
4610
4611         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
4612         constructor, and set_blocker.
4613         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
4614         readsyms_blocker_.
4615         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
4616         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
4617         * testsuite/Makefile.am (start_lib_test): New test case.
4618         * testsuite/Makefile.in: Regenerate.
4619         * testsuite/start_lib_test_main.c: New file.
4620         * testsuite/start_lib_test_1.c: New file.
4621         * testsuite/start_lib_test_2.c: New file.
4622         * testsuite/start_lib_test_3.c: New file.
4623
4624 2010-08-19  Ian Lance Taylor  <iant@google.com>
4625
4626         * Makefile.in: Rebuild with automake 1.11.1.
4627         * aclocal.m4: Likewise.
4628         * testsuite/Makefile.in: Likewise.
4629
4630 2010-08-19  Ian Lance Taylor  <iant@google.com>
4631
4632         PR 10893
4633         * i386.cc (class Output_data_plt_i386): Update declarations.
4634         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
4635         local_ifuncs_ fields.
4636         (Target_i386::do_plt_section_for_global): New function.
4637         (Target_i386::do_plt_section_for_local): New function.
4638         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
4639         parameter; change all callers.  Initialize global_ifuncs_ and
4640         local_ifuncs_.  If doing a static link define __rel_iplt_start and
4641         __rel_iplt_end.
4642         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
4643         (Output_data_plt_i386::add_local_ifunc_entry): New function.
4644         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
4645         symbols.
4646         (Target_i386::make_plt_section): New function, broken out of
4647         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
4648         (Target_i386::make_plt_entry): Call make_plt_section.
4649         (Target_i386::make_local_ifunc_plt_entry): New function.
4650         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
4651         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
4652         R_386_IRELATIVE to switch.
4653         (Target_i386::Scan::global): Likewise.
4654         (Target_i386::Relocate::relocate): Likewise.
4655         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
4656         switch.
4657         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
4658         (Target_x86_64::do_plt_section_for_global): New function.
4659         (Target_x86_64::do_plt_section_for_local): New function.
4660         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
4661         parameter; change all callers.  If doing a static link define
4662         __rela_iplt_start and __rela_iplt_end.
4663         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
4664         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
4665         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
4666         to point to .plt.
4667         (Target_x86_64::make_local_ifunc_plt_entry): New function.
4668         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
4669         switch.
4670         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
4671         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
4672         R_X86_64_IRELATIVE to switch.
4673         (Target_x86_64::Scan::global): Likewise.
4674         (Target_x86_64::Relocate::relocate): Likewise.
4675         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
4676         switch.
4677         * target.h (class Target): Add plt_section_for_global and
4678         plt_section_for_local functions.  Add do_plt_section_for_global
4679         and do_plt_section_for_local virtual functions.
4680         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
4681         clarifying comments.
4682         (Symbol::use_plt_offset): Handle IFUNC symbol.
4683         * object.cc (Sized_relobj::Sized_relobj): Initialize
4684         local_plt_offsets_.
4685         (Sized_relobj::local_has_plt_offset): New function.
4686         (Sized_relobj::local_plt_offset): New function.
4687         (Sized_relobj::set_local_plt_offset): New function.
4688         (Sized_relobj::do_count): Handle IFUNC symbol.
4689         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
4690         a bit away from input_shndx_ field.  Add set_is_func_symbol and
4691         is_ifunc_symbol functions.
4692         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
4693         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
4694         local_plt_offsets_ field.
4695         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
4696         * output.h (class Output_section_data): Add non-const
4697         output_section function.
4698         (class Output_data_got): Update declarations.
4699         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
4700         Add use_plt_offset parameter to global and local constructors.
4701         Change all callers.  Change local_sym_index_ field to 31 bits.
4702         Change GSYM_CODE and CONSTANT_CODE accordingly.
4703         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
4704         doing a static link don't set sh_link field.
4705         (Output_data_got::Got_entry::write): Use PLT offset if
4706         appropriate.
4707         (Output_data_got::add_global_plt): New function.
4708         (Output_data_got::add_local_plt): New function.
4709         * target-reloc.h (relocate_section): Handle IFUNC symbol.
4710         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
4711         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
4712         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
4713         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
4714         IFUNC conditional.
4715         * testsuite/ifunc-sel.h: New file.
4716         * testsuite/ifuncmain1.c: New file.
4717         * testsuite/ifuncmain1vis.c: New file.
4718         * testsuite/ifuncmod1.c: New file.
4719         * testsuite/ifuncdep2.c: New file.
4720         * testsuite/ifuncmain2.c: New file.
4721         * testsuite/ifuncmain3.c: New file.
4722         * testsuite/ifuncmod3.c: New file.
4723         * testsuite/ifuncmain4.c: New file.
4724         * testsuite/ifuncmain5.c: New file.
4725         * testsuite/ifuncmod5.c: New file.
4726         * testsuite/ifuncmain6pie.c: New file.
4727         * testsuite/ifuncmod6.c: New file.
4728         * testsuite/ifuncmain7.c: New file.
4729         * configure, testsuite/Makefile.in: Rebuild.
4730
4731 2010-08-18  Ian Lance Taylor  <iant@google.com>
4732
4733         * incremental.cc
4734         (Output_section_incremental_inputs::write_input_files): Add cast
4735         to avoid signed/unsigned comparison warning.
4736         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4737
4738 2010-08-12  Cary Coutant  <ccoutant@google.com>
4739
4740         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4741
4742 2010-08-13  Ian Lance Taylor  <iant@google.com>
4743
4744         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4745
4746 2010-08-12  Cary Coutant  <ccoutant@google.com>
4747             Doug Kwan  <dougkwan@google.com>
4748
4749         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4750         defintion overrides non-weak undef, remember that the original undef
4751         is not weak.
4752         * symtab.cc (Symbol_table::sized_write_global): For undef without
4753         an original weak binding, set binding to global in output.
4754         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4755         * testsuite/Makefile.in: Regenerate.
4756         * testsuite/strong_ref_weak_def.sh: New file.
4757         * testsuite/strong_ref_weak_def_1.c: Ditto.
4758         * testsuite/strong_ref_weak_def_2.c: Ditto.
4759
4760 2010-08-12  Cary Coutant  <ccoutant@google.com>
4761
4762         * testsuite/incremental_test.sh: Rewrite.
4763         * testsuite/incremental_test_1.c: Rewrite.
4764         * testsuite/incremental_test_2.c: Rewrite.
4765
4766 2010-08-12  Cary Coutant  <ccoutant@google.com>
4767
4768         * arm.cc (Target_arm::got_size): Add const.
4769         (Target_arm::got_entry_count): New function.
4770         (Target_arm::plt_entry_count): New function.
4771         (Target_arm::first_plt_entry_offset): New function.
4772         (Target_arm::plt_entry_size): New function.
4773         (Output_data_plt_arm::entry_count): New function.
4774         (Output_data_plt_arm::first_plt_entry_offset): New function.
4775         (Output_data_plt_arm::get_plt_entry_size): New function.
4776         * i386.cc (Target_i386::got_size): Add const.
4777         (Target_i386::got_entry_count): New function.
4778         (Target_i386::plt_entry_count): New function.
4779         (Target_i386::first_plt_entry_offset): New function.
4780         (Target_i386::plt_entry_size): New function.
4781         (Output_data_plt_i386::entry_count): New function.
4782         (Output_data_plt_i386::first_plt_entry_offset): New function.
4783         (Output_data_plt_i386::get_plt_entry_size): New function.
4784         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4785         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4786         * incremental.cc: Include target.h.
4787         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4788         parameter.  Adjust all callers.  Find incremental_got_plt section.
4789         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4790         section.
4791         (Output_section_incremental_inputs::set_final_data_size): Calculate
4792         size of incremental_got_plt section.
4793         (Output_section_incremental_inputs::do_write): Write the
4794         incremental_got_plt section.
4795         (Got_plt_view_info): New struct.
4796         (Local_got_offset_visitor): New class.
4797         (Global_got_offset_visitor): New class.
4798         (Global_symbol_visitor_got_plt): New class.
4799         (Output_section_incremental_inputs::write_got_plt): New function.
4800         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4801         Add parameter.  Adjust all callers.
4802         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4803         (Incremental_inputs::got_plt_section): New function.
4804         (Incremental_inputs::got_plt_section_): New data member.
4805         (Incremental_got_plt_reader): New class.
4806         * layout.cc (Layout::create_incremental_info_sections): Add the
4807         incremental_got_plt section.
4808         * object.h (Got_offset_list::get_list): New function.
4809         (Got offset_list::for_all_got_offsets): New function.
4810         (Sized_relobj::local_got_offset_list): New function.
4811         * powerpc.cc (Target_powerpc::got_size): Add const.
4812         (Target_powerpc::got_entry_count): New function.
4813         (Target_powerpc::plt_entry_count): New function.
4814         (Target_powerpc::first_plt_entry_offset): New function.
4815         (Target_powerpc::plt_entry_size): New function.
4816         (Output_data_plt_powerpc::entry_count): New function.
4817         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4818         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4819         * sparc.cc (Target_sparc::got_size): Add const.
4820         (Target_sparc::got_entry_count): New function.
4821         (Target_sparc::plt_entry_count): New function.
4822         (Target_sparc::first_plt_entry_offset): New function.
4823         (Target_sparc::plt_entry_size): New function.
4824         (Output_data_plt_sparc::entry_count): New function.
4825         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4826         (Output_data_plt_sparc::get_plt_entry_size): New function.
4827         * symtab.h (Symbol::got_offset_list): New function.
4828         (Symbol_table::for_all_symbols): New function.
4829         * target.h (Sized_target::got_entry_count): New function.
4830         (Sized_target::plt_entry_count): New function.
4831         (Sized_target::plt_entry_size): New function.
4832         * x86_64.cc (Target_x86_64::got_size): Add const.
4833         (Target_x86_64::got_entry_count): New function.
4834         (Target_x86_64::plt_entry_count): New function.
4835         (Target_x86_64::first_plt_entry_offset): New function.
4836         (Target_x86_64::plt_entry_size): New function.
4837         (Output_data_plt_x86_64::entry_count): New function.
4838         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4839         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4840
4841 2010-08-12  Cary Coutant  <ccoutant@google.com>
4842
4843         * archive.cc: Include incremental.h.
4844         (Archive::Archive): Initialize incremental_info_.
4845         (Archive::include_member): Record archive members in incremental info.
4846         (Add_archive_symbols::run): Record begin and end of an archive in
4847         incremental info.
4848         (Lib_group::include_member): Record objects in incremental info.
4849         * archive.h (Incremental_archive_entry): Forward declaration.
4850         (Archive::set_incremental_info): New member function.
4851         (Archive::incremental_info): New member function.
4852         (Archive::Unused_symbol_iterator): New class.
4853         (Archive::unused_symbols_begin): New member function.
4854         (Archive::unused_symbols_end): New member function.
4855         (Archive::incremental_info_): New data member.
4856         * incremental-dump.cc (find_input_containing_global): New function.
4857         (dump_incremental_inputs): Dump new incremental info sections.
4858         * incremental.cc: Include symtab.h.
4859         (Output_section_incremental_inputs): New class.
4860         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4861         new incremental info sections.
4862         (Sized_incremental_binary::do_check_inputs): Likewise.
4863         (Incremental_inputs::report_archive): Remove.
4864         (Incremental_inputs::report_archive_begin): New function.
4865         (Incremental_inputs::report_archive_end): New function.
4866         (Incremental_inputs::report_object): New function.
4867         (Incremental_inputs::finalize_inputs): Remove.
4868         (Incremental_inputs::report_input_section): New function.
4869         (Incremental_inputs::report_script): Rewrite.
4870         (Incremental_inputs::finalize): Do nothing but finalize string table.
4871         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4872         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4873         (Incremental_inputs::create_data_sections): New function.
4874         (Incremental_inputs::relocs_entsize): New function.
4875         (Output_section_incremental_inputs::set_final_data_size): New function.
4876         (Output_section_incremental_inputs::do_write): New function.
4877         (Output_section_incremental_inputs::write_header): New function.
4878         (Output_section_incremental_inputs::write_input_files): New function.
4879         (Output_section_incremental_inputs::write_info_blocks): New function.
4880         (Output_section_incremental_inputs::write_symtab): New function.
4881         * incremental.h (Incremental_script_entry): Forward declaration.
4882         (Incremental_object_entry): Forward declaration.
4883         (Incremental_archive_entry): Forward declaration.
4884         (Incremental_inputs): Forward declaration.
4885         (Incremental_inputs_header_data): Remove.
4886         (Incremental_inputs_header): Remove.
4887         (Incremental_inputs_header_write): Remove.
4888         (Incremental_inputs_entry_data): Remove.
4889         (Incremental_inputs_entry): Remove.
4890         (Incremental_inputs_entry_write): Remove.
4891         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4892         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4893         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4894         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4895         Likewise.
4896         (Incremental_input_entry): New class.
4897         (Incremental_script_entry): New class.
4898         (Incremental_object_entry): New class.
4899         (Incremental_archive_entry): New class.
4900         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4901         (Incremental_inputs::report_inputs): Remove.
4902         (Incremental_inputs::report_archive): Remove.
4903         (Incremental_inputs::report_archive_begin): New function.
4904         (Incremental_inputs::report_archive_end): New function.
4905         (Incremental_inputs::report_object): Change prototype.
4906         (Incremental_inputs::report_input_section): New function.
4907         (Incremental_inputs::report_script): Change prototype.
4908         (Incremental_inputs::get_reloc_count): New function.
4909         (Incremental_inputs::set_reloc_count): New function.
4910         (Incremental_inputs::create_data_sections): New function.
4911         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4912         (Incremental_inputs::inputs_section): New function.
4913         (Incremental_inputs::symtab_section): New function.
4914         (Incremental_inputs::relocs_section): New function.
4915         (Incremental_inputs::get_stringpool): Add const.
4916         (Incremental_inputs::command_line): Add const.
4917         (Incremental_inputs::inputs): Remove.
4918         (Incremental_inputs::command_line_key): New function.
4919         (Incremental_inputs::input_file_count): New function.
4920         (Incremental_inputs::input_files): New function.
4921         (Incremental_inputs::relocs_entsize): New function.
4922         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4923         (Incremental_inputs::finalize_inputs): Remove.
4924         (Incremental_inputs::Input_info): Remove.
4925         (Incremental_inputs::lock_): Remove.
4926         (Incremental_inputs::inputs_): Change type.
4927         (Incremental_inputs::inputs_map_): Remove.
4928         (Incremental_inputs::current_object_entry_): New data member.
4929         (Incremental_inputs::inputs_section_): New data member.
4930         (Incremental_inputs::symtab_section_): New data member.
4931         (Incremental_inputs::relocs_section_): New data member.
4932         (Incremental_inputs::reloc_count_): New data member.
4933         (Incremental_inputs_reader): New class.
4934         (Incremental_symtab_reader): New class.
4935         (Incremental_relocs_reader): New class.
4936         * layout.cc (Layout::finalize): Move finalization of incremental info
4937         and creation of incremental info sections to follow finalization of
4938         symbol table.  Set offsets for postprocessing sections.
4939         (Layout::create_incremental_info_sections): Call
4940         Incremental_inputs::create_data_sections.  Add incremental symtab
4941         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4942         sections to layout after input sections.
4943         * layout.h (struct Timespec): Forward declaration.
4944         (Layout::incremental_inputs): Add const.
4945         (Layout::create_incremental_info_sections): Add parameter.
4946         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4947         * object.cc: Include incremental.h.
4948         (Relobj::finalize_incremental_relocs): New function.
4949         (Sized_relobj::do_layout): Record input sections in incremental info.
4950         * object.h (Object::output_section): New function.
4951         (Object::output_section_offset): Moved from Relobj.
4952         (Object::get_incremental_reloc_base): New function.
4953         (Object::get_incremental_reloc_count): New function.
4954         (Object::do_output_section): New function.
4955         (Object::do_output_section_offset): Moved from Relobj.
4956         (Object::do_get_incremental_reloc_base): New function.
4957         (Object::do_get_incremental_reloc_count): New function.
4958         (Object::Object): Initialize new data members.
4959         (Relobj::output_section): Renamed do_output_section and moved to
4960         protected.
4961         (Relobj::output_section_offset): Moved to Object.
4962         (Relobj::do_get_incremental_reloc_base): New function.
4963         (Relobj::do_get_incremental_reloc_count): New function.
4964         (Relobj::allocate_incremental_reloc_counts): New function.
4965         (Relobj::count_incremental_reloc): New function.
4966         (Relobj::finalize_incremental_relocs): New function.
4967         (Relobj::next_incremental_reloc_index): New function.
4968         (Relobj::reloc_counts_): New data member.
4969         (Relobj::reloc_bases_): New data member.
4970         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4971         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4972         (Sized_relobj::incremental_relocs_scan): New function.
4973         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4974         (Sized_relobj::incremental_relocs_write): New function.
4975         (Sized_relobj::incremental_relocs_write_reltype): New function.
4976         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4977         incremental link.
4978         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4979         archives and object files elsewhere.
4980         (Add_symbols::run): Report object files here.
4981         (Finish_group::run): Report end of archive at end of group.
4982         * reloc.cc: Include layout.h, incremental.h.
4983         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4984         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4985         (Sized_relobj::incremental_relocs_scan): New function.
4986         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4987         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4988         (Sized_relobj::incremental_relocs_write): New function.
4989         (Sized_relobj::incremental_relocs_write_reltype): New function.
4990         * script.cc (read_input_script): Rewrite test for incremental link.
4991         Change call to Incremental_inputs::report_script.
4992         * symtab.h (Symbol_table::first_global_index): New function.
4993         (Symbol_table::output_count): New function.
4994
4995 2010-08-12  Doug Kwan  <dougkwan@google.com>
4996
4997         * arm.cc (Target_arm::merge_object_attributes): Check command line
4998         options --no-wchar-size-warning and --no-enum-size-warning.
4999         * options.h (General_options): Add ld-compatible options
5000         --no-enum-size-warning and --no-wchar-size-warning.
5001
5002 2010-08-04  Ian Lance Taylor  <iant@google.com>
5003
5004         * x86_64.cc (Target_x86_64::Scan::local): Use
5005         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
5006         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
5007         (Target_x86_64::Scan::global): Likewise.
5008         (Target_x86_64::Relocate::relocate): Likewise.
5009         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
5010         Likewise.
5011
5012 2010-08-03  Cary Coutant  <ccoutant@google.com>
5013
5014         * merge.cc (Output_merge_string::do_add_input_section): Count strings
5015         to reserve space in merged_strings vector. Keep total input size
5016         for stats.
5017         (Output_merge_string::do_print_merge_stats): Print total input size.
5018         * merge.h (Output_merge_string): Add input_size_ field.
5019         * stringpool.cc (Stringpool_template::string_length): Move
5020         implementations out of Stringpool_template class and place in
5021         stringpool.h.
5022         * stringpool.h (string_length): Move out of Stringpool_template.
5023
5024 2010-08-03  Ian Lance Taylor  <iant@google.com>
5025
5026         PR 11712
5027         * layout.cc (relaxation_loop_body): If address of load segment is
5028         set, adjust address to include headers if possible.
5029
5030 2010-08-03  Ian Lance Taylor  <iant@google.com>
5031
5032         * version.cc (version_string): Bump to 1.10.
5033
5034 2010-08-03  Ian Lance Taylor  <iant@google.com>
5035
5036         PR 11805
5037         * layout.h (enum Output_section_order): Define.
5038         (class Layout): Update declarations.
5039         * layout.cc (Layout::get_output_section): Add order parameter.
5040         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
5041         is_first_non_relro parameters.  Change all callers.
5042         (Layout::choose_output_section): Likewise.
5043         (Layout::add_output_section_data): Likewise.
5044         (Layout::make_output_section): Likewise.  Set order.
5045         (Layout::default_section_order): New function.
5046         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
5047         * output.cc (Output_section::Output_section): Initialize order_.
5048         Don't initialize deleted fields.
5049         (Output_segment::Output_segment): Don't initialize deleted
5050         fields.
5051         (Output_segment::add_output_section_to_load): New function
5052         replacing add_output_section.  Change all callers to call this or
5053         add_output_section_to_nonload.
5054         (Output_segment::add_output_section_to_nonload): New function.
5055         (Output_segment::remove_output_section): Rewrite.
5056         (Output_segment::add_initial_output_data): Likewise.
5057         (Output_segment::has_any_data_sections): Likewise.
5058         (Output_segment::is_first_section_relro): Likewise.
5059         (Output_segment::maximum_alignment): Likewise.
5060         (Output_segment::has_dynamic_reloc): New function replacing
5061         dynamic_reloc_count.  Change all callers.
5062         (Output_segment::has_dynamic_reloc_list): New function replacing
5063         dynamic_reloc_count_list.  Change all callers.
5064         (Output_segment::set_section_addresses): Rewrite.
5065         (Output_segment::set_offset): Rewrite.
5066         (Output_segment::find_first_and_last_list): Remove.
5067         (Output_segment::set_tls_offsets): Rewrite.
5068         (Output_segment::first_section_load_address): Likewise.
5069         (Output_segment::output_section_count): Likewise.
5070         (Output_segment::section_with_lowest_load_address): Likewise.
5071         (Output_segment::write_section_headers): Likewise.
5072         (Output_segment::print_sections_to_map): Likewise.
5073         * output.h (class Output_data): Remove dynamic_reloc_count_
5074         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
5075         (Output_data::add_dynamic_reloc): Rewrite.
5076         (Output_data::has_dynamic_reloc): New function.
5077         (Output_data::dynamic_reloc_count): Remove.
5078         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
5079         is_last_relro_, is_first_non_relro_, is_interp_,
5080         is_dynamic_linker_section_ fields.  Add order and set_order
5081         functions.  Remove is_relro_local, set_is_relro_local,
5082         is_last_relro, set_is_last_relro, is_first_non_relro,
5083         set_is_first_non_relro functions, is_interp, set_is_interp,
5084         is_dynamic_linker_section, and set_is_dynamic_linker_section
5085         functions.
5086         (class Output_segment): Change Output_data_list from std::list to
5087         std:;vector.  Add output_lists_ field.  Remove output_data_ and
5088         output_bss_ fields.  Update declarations.
5089
5090 2010-08-02  Ian Lance Taylor  <iant@google.com>
5091
5092         * arm.cc (Target_arm::gc_process_relocs): Use typename.
5093         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
5094         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
5095
5096 2010-08-02  Ian Lance Taylor  <iant@google.com>
5097
5098         PR 11855
5099         * script.cc (Script_options::Script_options): Initialize
5100         symbol_definitions_ and symbol_references_.
5101         (Script_options::add_symbol_assignment): Update
5102         symbol_definitions_ and symbol_references_.
5103         (Script_options::add_symbol_reference): New function.
5104         (script_symbol): New function.
5105         * script.h (class Script_options): Add symbol_definitions_ and
5106         symbol_references_ fields.
5107         (Script_options::referenced_const_iterator): New type.
5108         (Script_options::referenced_begin): New function.
5109         (Script_options::referenced_end): New function.
5110         (Script_options::is_referenced): New function.
5111         (Script_options::any_unreferenced): New function.
5112         * script-c.h (script_symbol): Declare.
5113         * yyscript.y (exp): Call script_symbol.
5114         * symtab.cc: Include "script.h".
5115         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
5116         Change all callers.  Check symbols referenced by scripts.
5117         (Symbol_table::add_undefined_symbols_from_command_line): Add
5118         layout parameter.  Change all callers.
5119         (Symbol_table::do_add_undefined_symbols_from_command_line):
5120         Likewise.  Break out loop body.  Check symbols referenced by
5121         scripts.
5122         (Symbol_table::add_undefined_symbol_from_command_line): New
5123         function broken out of
5124         do_add_undefined_symbols_from_command_line.
5125         * symtab.h (class Symbol_table): Update declarations.
5126         * archive.cc: Include "layout.h".
5127         (Archive::should_include_member): Add layout parameter.  Change
5128         all callers.  Check for symbol mentioned in expression.
5129         * archive.h (class Archive): Update declaration.
5130         * object.cc (Sized_relobj::do_should_include_member): Add layout
5131         parameter.
5132         * object.h (Object::should_include_member): Add layout parameter.
5133         Change all callers.
5134         (Object::do_should_include_member): Add layout parameter.
5135         (class Sized_relobj): Update declaration.
5136         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
5137         parameter.
5138         * dynobj.h (class Sized_dynobj): Update declaration.
5139         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
5140         layout parameter.
5141         * plugin.h (class Sized_pluginobj): Update declaration.
5142
5143 2010-08-02  Ian Lance Taylor  <iant@google.com>
5144
5145         PR 11866
5146         * output.cc (Output_segment::set_offset): Search for the first and
5147         last sections rather than assuming that the list is in order.
5148         (Output_segment::find_first_and_last_list): New function.
5149         * output.h (class Output_segment): Update declarations.
5150         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
5151         (relro_strip_test_SOURCES): New variable.
5152         (relro_strip_test_DEPENDENCIES): New variable.
5153         (relro_strip_test_LDFLAGS): New variable.
5154         (relro_strip_test_LDADD): New variable.
5155         (relro_strip_test.so): New target.
5156
5157 2010-08-02  Ian Lance Taylor  <iant@google.com>
5158
5159         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
5160         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
5161         (Target_i386::got_tlsdesc_section): New function.
5162         (Target_i386::got_section): Create space for GOT entries for
5163         TLSDESC relocations.
5164         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
5165         R_386_TLS_GOTDESC.
5166         (Target_i386::Scan::global): Likewise.
5167         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
5168         using TLSDESC GOT.
5169         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
5170         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
5171         (Target_x86_64::got_tlsdesc_section): New function.
5172         (Target_x86_64::got_section): Create space for GOT entries for
5173         TLSDESC relocations.
5174         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
5175         R_386_TLS_GOTDESC.
5176         (Target_x86_64::Scan::global): Likewise.
5177         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
5178         using TLSDESC GOT.
5179
5180 2010-08-02  Ian Lance Taylor  <iant@google.com>
5181
5182         * testsuite/final_layout.sh: Use dc to convert from hex to
5183         decimal.
5184
5185 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
5186
5187         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
5188         paramter to the call to gold::gc_process_relocs.
5189         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
5190         paramter to the call to gold::gc_process_relocs.
5191         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
5192         parameter to the call to gold::gc_process_relocs.
5193         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
5194         template parameter to the call to gold::gc_process_relocs.
5195         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
5196         paramter to the call to gold::gc_process_relocs.
5197         * gc.h (get_embedded_addend_size): New function.
5198         (gc_process_relocs): Save the size of the reloc for use by ICF.
5199         * icf.cc (get_section_contents): Get the addend from the text section
5200         for SHT_REL relocation sections.
5201         * icf.h (Icf::Reloc_addend_size_info): New typedef.
5202         (Icf::Reloc_info): Add new member reloc_addend_size_info.
5203         * int_encoding.h (read_from_pointer): New overloaded function.
5204         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
5205         * testsuite/icf_sht_rel_addend_test.sh: New file.
5206         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
5207         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
5208
5209 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5210
5211         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
5212         * Makefile.in: Regenerate.
5213         * testsuite/Makefile.in: Regenerate.
5214
5215 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
5216
5217         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
5218         * gold/testsuite/debug_msg.cc: Likewise.
5219         * gold/testsuite/odr_violation1.cc
5220         * gold/testsuite/odr_violation2.cc
5221
5222 2010-07-21  Cary Coutant  <ccoutant@google.com>
5223
5224         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
5225         string, and length fields.
5226         (Output_merge_string::Merged_strings_list): New type.
5227         (Output_merge_string::Merged_strings_lists): New typedef.
5228         (Output_merge_string): Replace merged_strings_ with
5229         merged_strings_lists_.
5230         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
5231         Merged_strings_list per input object and section.  Don't store pointer
5232         to the string.  Don't store length with each merged string entry.
5233         (Output_merge_string::finalize_merged_data): Loop over list of merged
5234         strings lists.  Recompute length of each merged string.
5235
5236 2010-07-15  Cary Coutant  <ccoutant@google.com>
5237
5238         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
5239         here.
5240
5241 2010-07-14  Ian Lance Taylor  <iant@google.com>
5242
5243         * descriptors.cc (Descriptors::open): Report correct name in error
5244         message.
5245
5246 2010-07-13  Doug Kwan  <dougkwan@google.com>
5247
5248         * arm.cc (Arm_input_section::Arm_input_section): For a
5249         SHT_ARM_EXIDX section, always keeps the input sections.
5250         (Arm_input_section::set_exidx_section_link): New method.
5251         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
5252         has_errors_ to false.
5253         (Arm_exidx_input_section::has_errors,
5254         Arm_exidx_input_section::set_has_errors): New methods.
5255         (Arm_exidx_input_section::has_errors_): New data member.
5256         (Arm_relobj::get_exidx_shndx_list): New method.
5257         (Arm_output_section::append_text_sections_to_list): Do not skip
5258         section without SHF_EXECINSTR.
5259         (Arm_output_section::fix_exidx_coverage): Skip input sections with
5260         errors.
5261         (Arm_relobj::make_exidx_input_section): Add new parameter for text
5262         section header.  Make error messages more verbose.  Check for
5263         a non-executable section linked to an EXIDX section.
5264         (Arm_relobj::do_read_symbols): Remove error checking, which has been
5265         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
5266         check that there is no deferred EXIDX section if we exit early.
5267         Instead of not making an EXIDX section in case of an error, make one
5268         and set the has_errors flag of it.
5269         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
5270         in a relocatable link.
5271         (Target_arm::do_relax): Look for the EXIDX output section instead of
5272         assuming that it is called .ARM.exidx.
5273         (Target_arm::fix_exidx_coverage): Add a new parameter for input
5274         section list.  Do not check for SHF_EXECINSTR section flags but
5275         skip any input section with errors.
5276         * output.cc (Output_section::Output_section): Initialize
5277         always_keeps_input_sections_ to false.
5278         (Output_section::add_input_section): Check for
5279         always_keeps_input_sections_.
5280         *  output.h (Output_section::always_keeps_input_sections,
5281         Output_section::set_always_keeps_input_sections): New methods.
5282         (Output_section::always_keeps_input_sections): New data member.
5283
5284 2010-07-13  Rafael Espindola  <espindola@google.com>
5285
5286         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
5287         * fileread.h (Input_file): Add try_extra_search_path and find_file.
5288
5289 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
5290             Ian Lance Taylor  <iant@google.com>
5291
5292         * output.h (Output_section_lookup_maps::add_merge_section):
5293         Correct check of whether value was inserted.
5294         (Output_section_lookup_maps::add_merge_input_section): Likewise.
5295         (Output_section_lookup_maps::add_relaxed_input_section):
5296         Likewise.
5297         * arm.cc (Target_arm::got_section): Remove used local os.
5298         * i386.cc (Target_i386::got_section): Likewise.
5299         * x86_64.cc (Target_x86_64::got_section): Likewise.
5300         * sparc.cc (Target_sparc::got_section): Likewise.
5301         (Target_sparc::relocate): Remove unused local have_got_offset.
5302         * powerpc.cc (Target_powerpc::relocate): Likewise.
5303
5304 2010-07-13  Ian Lance Taylor  <iant@google.com>
5305
5306         * compressed_output.cc (zlib_decompress): Fix signature in
5307         !HAVE_ZLIB_H case.
5308
5309         * archive.cc (Archive::include_member): Unlock an external member
5310         of a thin archive.  Don't bother to delete an object we know is
5311         NULL.
5312
5313 2010-07-12  Cary Coutant  <ccoutant@google.com>
5314
5315         * compressed_output.cc (zlib_decompress): New function.
5316         (get_uncompressed_size): New function.
5317         (decompress_input_section): New function.
5318         * compressed_output.h (get_uncompressed_size): New function.
5319         (decompress_input_section): New function.
5320         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
5321         Handle compressed debug sections.
5322         * layout.cc (is_compressed_debug_section): New function.
5323         (Layout::output_section_name): Map compressed section names to
5324         canonical names.
5325         * layout.h (is_compressed_debug_section): New function.
5326         (is_debug_info_section): Recognize compressed debug sections.
5327         * merge.cc: Include compressed_output.h.
5328         (Output_merge_data::do_add_input_section): Handle compressed
5329         debug sections.
5330         (Output_merge_string::do_add_input_section): Handle compressed
5331         debug sections.
5332         * object.cc: Include compressed_output.h.
5333         (Sized_relobj::Sized_relobj): Initialize new data members.
5334         (build_compressed_section_map): New function.
5335         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5336         * object.h (Object::section_is_compressed): New method.
5337         (Object::do_section_is_compressed): New method.
5338         (Sized_relobj::Compressed_section_map): New type.
5339         (Sized_relobj::do_section_is_compressed): New method.
5340         (Sized_relobj::compressed_sections_): New data member.
5341         * output.cc (Output_section::add_input_section): Handle compressed
5342         debug sections.
5343         * reloc.cc: Include compressed_output.h.
5344         (Sized_relobj::write_sections): Handle compressed debug sections.
5345
5346 2010-07-08  Cary Coutant  <ccoutant@google.com>
5347
5348         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5349         weak when resolving to a dynamic def.
5350         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5351         for weak undef/dynamic def cases. Adjust callers.
5352         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5353         undef_binding_weak_.
5354         (Symbol_table::sized_write_globals): Adjust symbol binding.
5355         (Symbol_table::sized_write_symbol): Add binding parameter.
5356         * symtab.h (Symbol::set_undef_binding): New method.
5357         (Symbol::is_undef_binding_weak): New method.
5358         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5359         (Symbol_table::should_override): Add new parameter.
5360         (Symbol_table::sized_write_symbol): Add new parameter.
5361
5362         * testsuite/weak_undef_file1.cc: Add new test case.
5363         * testsuite/weak_undef_file2.cc: Fix header comment.
5364         * testsuite/weak_undef_test.cc: Add new test case.
5365
5366 2010-06-29  Doug Kwan  <dougkwan@google.com>
5367
5368         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5369         Initialize USE_SYMBOL_.
5370         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5371         definition.
5372         (Arm_reloc_property::uses_symbol_): New data member declaration.
5373         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5374         uses symbol value and symbol is undefined but not weakly undefined.
5375
5376 2010-06-28  Rafael Espindola  <espindola@google.com>
5377
5378         * plugin.cc (Plugin::load): Use dlerror.
5379
5380 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5381
5382         * symtab.cc (detect_odr_violations): When reporting an ODR
5383         violation, report an object where the symbol is defined.
5384
5385 2010-06-25  Doug Kwan  <dougkwan@google.com>
5386
5387         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5388         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5389         definition.
5390         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5391         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5392         target hook to detect function points.
5393         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5394         * icf.h (Icf::check_section_for_function_pointers): Change type of
5395         parameter SECTION_NAME to const reference to std::string.  Use
5396         target hook to determine if section may have unsafe pointers.
5397         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5398         method definition.
5399
5400 2010-06-21  Rafael Espindola  <espindola@google.com>
5401
5402         * fileread.cc (Input_file::find_fie): New
5403         (Input_file::open): Use Input_file::find_fie.
5404         * fileread.h (Input_file::find_fie): New
5405         * plugin.cc (set_extra_library_path): New.
5406         (Plugin::load): Add set_extra_library_path to the transfer vector.
5407         (Plugin_manager::set_extra_library_path): New.
5408         (Plugin_manager::add_input_file): Use the extra search path if set.
5409         (set_extra_library_path(): New.
5410         * plugin.h (Plugin_manager): Add set_extra_library_path and
5411         extra_search_path_.
5412
5413 2010-06-19  Cary Coutant  <ccoutant@google.com>
5414
5415         * layout.cc (gdb_sections): Add .debug_types.
5416         (lines_only_debug_sections): Likewise.
5417
5418 2010-06-18  Rafael Espindola  <espindola@google.com>
5419
5420         * plugin.cc (add_input_file,add_input_library)
5421         (Plugin_manager::add_input_file): Make filename arguments const.
5422         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5423         const.
5424
5425 2010-06-16  Doug Kwan  <dougkwan@google.com>
5426
5427         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5428         .ARM.attributes section if we have not merged any input
5429         attributes sections.
5430
5431 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5432
5433         * arm.cc: Allow combining objects with no EABI version
5434         information.
5435
5436 2010-06-15  Rafael Espindola  <espindola@google.com>
5437
5438         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
5439
5440 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5441
5442         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
5443         (struct iovec): Correct !HAVE_READV definition.
5444
5445 2010-06-10  Cary Coutant  <ccoutant@google.com>
5446
5447         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
5448         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
5449         reloc sections.
5450         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
5451
5452         PR 11683
5453         * symtab.h (Symbol::is_placeholder): New member function.
5454         * target-reloc.h (relocate_section): Check for placeholder symbols.
5455
5456         * testsuite/Makefile.am (plugin_test_8): New test.
5457         (plugin_test_9): New test.
5458         * testsuite/Makefile.in: Regenerate.
5459
5460 2010-06-09  Nick Clifton  <nickc@redhat.com>
5461
5462         * yyscript.y (input_list_element): Allow strings prefixed with
5463         the '-' character.  Treat these as libraries.
5464         * script.cc (script_add_library): New function.  Adds a library
5465         specified by "-l<name>" found in an input script.
5466         * script-c.h: Add prototype for script_add_library.
5467
5468 2010-06-07  Doug Kwan  <dougkwan@google.com>
5469
5470         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
5471         Restrict stub-group size to be within long conditional branch
5472         range when working around cortex-A8 erratum.
5473
5474 2010-06-07  Damien Diederen  <dd@crosstwine.com>
5475
5476         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
5477         #ifdef typo.
5478
5479 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
5480
5481         PR gold/11658
5482         * output.cc
5483         (Output_section::Input_section_sort_entry::compare_section_ordering):
5484         Change to return non-zero correctly.
5485         (Output_section::Input_section_sort_section_order_index_compare
5486         ::operator()): Change to fix ambiguity in comparisons.
5487
5488 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
5489
5490         * gold.h (is_wildcard_string): New function.
5491         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
5492         (Layout::layout_eh_frame): Ditto.
5493         (Layout::find_section_order_index): New method.
5494         (Layout::read_layout_from_file): New method.
5495         * layout.h (Layout::find_section_order_index): New method.
5496         (Layout::read_layout_from_file): New method.
5497         (Layout::input_section_position_): New private member.
5498         (Layout::input_section_glob_): New private member.
5499         * main.cc (main): Call read_layout_from_file here.
5500         * options.h (--section-ordering-file): New option.
5501         * output.cc (Output_section::input_section_order_specified_): New
5502         member.
5503         (Output_section::Output_section): Initialize new member.
5504         (Output_section::add_input_section): Add new parameter.
5505         Keep input sections when --section-ordering-file is used.
5506         (Output_section::set_final_data_size): Sort input sections when
5507         section ordering file is specified.
5508         (Output_section::Input_section_sort_entry): Add new parameter.
5509         Check sorting type.
5510         (Output_section::Input_section_sort_entry::compare_section_ordering):
5511         New method.
5512         (Output_section::Input_section_sort_compare::operator()): Change to
5513         consider section_order_index.
5514         (Output_section::Input_section_sort_init_fini_compare::operator()):
5515         Change to consider section_order_index.
5516         (Output_section::Input_section_sort_section_order_index_compare
5517         ::operator()): New method.
5518         (Output_section::sort_attached_input_sections): Change to sort
5519         according to section order when specified.
5520         (Output_section::add_input_section<32, true>): Add new parameter.
5521         (Output_section::add_input_section<64, true>): Add new parameter.
5522         (Output_section::add_input_section<32, false>): Add new parameter.
5523         (Output_section::add_input_section<64, false>): Add new parameter.
5524         * output.h (Output_section::add_input_section): Add new parameter.
5525         (Output_section::input_section_order_specified): New
5526         method.
5527         (Output_section::set_input_section_order_specified): New method.
5528         (Input_section::Input_section): Initialize section_order_index_.
5529         (Input_section::section_order_index): New method.
5530         (Input_section::set_section_order_index): New method.
5531         (Input_section::section_order_index_): New member.
5532         (Input_section::Input_section_sort_section_order_index_compare): New
5533         struct.
5534         (Output_section::input_section_order_specified_): New member.
5535         * script-sections.cc (is_wildcard_string): Delete and move modified
5536         method to gold.h.
5537         (Output_section_element_input::Output_section_element_input): Modify
5538         call to is_wildcard_string.
5539         (Output_section_element_input::Input_section_pattern
5540         ::Input_section_pattern): Ditto.
5541         (Output_section_element_input::Output_section_element_input): Ditto.
5542         * testsuite/Makefile.am (final_layout): New test case.
5543         * testsuite/Makefile.in: Regenerate.
5544         * testsuite/final_layout.cc: New file.
5545         * testsuite/final_layout.sh: New file.
5546
5547 2010-06-01  Rafael Espindola  <espindola@google.com>
5548
5549         * plugin.cc (Plugin::load): Pass the output name to the plugin.
5550
5551 2010-06-01  Rafael Espindola  <espindola@google.com>
5552
5553         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
5554         visibility of symbols.
5555
5556 2010-05-27  Doug Kwan  <dougkwan@google.com>
5557
5558         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
5559         from start of output section instead of address for a local symbol
5560         in a merged or relaxed section when doing a relocatable link.
5561
5562 2010-05-26  Rafael Espindola  <espindola@google.com>
5563
5564         PR 11604
5565         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
5566         adding sections the garbage collector removed.
5567         * gold/testsuite/Makefile.am: Add test.
5568         * gold/testsuite/Makefile.in: Regenerate.
5569         * gold/testsuite/plugin_test_7.sh: New.
5570         * gold/testsuite/plugin_test_7_1.c: New.
5571         * gold/testsuite/plugin_test_7_2.c: New.
5572
5573 2010-05-26  Rafael Espindola  <espindola@google.com>
5574
5575         * script-sections.cc (Output_section_definition::set_section_addresses):
5576         Check for --section-start.
5577
5578 2010-05-26  Doug Kwan  <dougkwan@google.com>
5579
5580         * arm.cc (Arm_scan_relocatable_relocs): New class.
5581         (Target_arm::relocate_special_relocatable): New method.
5582         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
5583         (Arm_relocate_functions::thumb_branch_common): Same.
5584         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
5585         instead of Default_scan_relocatable_relocs.
5586         * target-reloc.h (relocate_for_relocatable): Let target handle
5587         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
5588         * target.h (Sized_target::relocate_special_relocatable): New method.
5589
5590 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5591
5592         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
5593
5594 2010-05-23  Doug Kwan  <dougkwan@google.com>
5595
5596         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
5597         instead of a cast.
5598         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
5599         with a direct branch, not a conditional branch, to a stub.
5600         * merge.cc (Output_merge_base::record_input_section): New method
5601         defintion.
5602         (Output_merge_data::do_add_input_section): Record input section if
5603         keeps-input-sections flag is set.
5604         (Output_merge_string::do_add_input_section): Ditto.
5605         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
5606         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
5607         INPUT_SECTIONS_.
5608         (Output_merge_base::keeps_input_sections,
5609         Output_merge_base::set_keeps_input_sections,
5610         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
5611         method definitions.
5612         (Output_merge_base::Input_sections): New type declaration.
5613         (Output_merge_base::input_sections_begin,
5614         Output_merge_base::input_sections_end,
5615         Output_merge_base::do_set_keeps_input_sections): New method definitions.
5616         (Output_merge_base::bool keeps_input_sections_,
5617         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
5618         Output_merge_base::input_sections_): New data members.
5619         (Output_merge_data::do_set_keeps_input_sections): New method
5620         defintion.
5621         (Output_merge_string::do_set_keeps_input_sections): Ditto.
5622         * output.cc (Output_section::Input_section::relobj): Move method
5623         defintion from class declaration to here and handle merge sections.
5624         (Output_section::Input_section::shndx): Ditto.
5625         (Output_section::Output_section): Remove initializations of removed
5626         data members and initialize new data member LOOKUP_MAPS_.
5627         (Output_section::add_input_section): Set keeps-input-sections flag
5628         for a newly created merge output section as appropriate.  Adjust code
5629         to use Output_section_lookup_maps class.
5630         (Output_section::add_relaxed_input_section): Adjst code for lookup
5631         maps code refactoring.
5632         (Output_section::add_merge_input_section): Add a new parameter
5633         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
5634         class.  If adding input section to a newly created merge output
5635         section fails, remove the new merge section.
5636         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
5637         Adjust code for use of the Output_section_lookup_maps class.
5638         (Output_section::find_merge_section): Ditto.
5639         (Output_section::build_lookup_maps): New method defintion.
5640         (Output_section::find_relaxed_input_section): Adjust code to use
5641         Output_section_lookup_maps class.
5642         (Output_section::get_input_sections): Export merge sections.  Adjust
5643         code to use Output_section_lookup_maps class.
5644         (Output_section:::add_script_input_section): Adjust code to use
5645         Output_section_lookup_maps class.  Update lookup maps for merge
5646         sections also.
5647         (Output_section::discard_states): Use Output_section_lookup_maps.
5648         (Output_section::restore_states): Same.
5649         * output.h (Merge_section_properties): Move class defintion out of
5650         Output_section.
5651         (Output_section_lookup_maps): New class.
5652         (Output_section::Input_section::is_merge_section): New method
5653         defintion.
5654         (Output_section::Input_section::relobj): Move defintion out of class
5655         defintion.  Declare method only.
5656         (Output_section::Input_section::shndx): Ditto.
5657         (Output_section::Input_section::output_merge_base): New method defintion.
5658         (Output_section::Input_section::u2_.pomb): New union field.
5659         (Output_section::Merge_section_by_properties_map,
5660         Output_section::Output_section_data_by_input_section_map,
5661         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
5662         Remove types.
5663         (Output_section::add_merge_input_section): Add new parameter
5664         KEEPS_INPUT_SECTIONS.
5665         (Output_section::build_lookup_maps): New method declaration.
5666         (Output_section::merge_section_map_,
5667         Output_section::merge_section_by_properties_map_,
5668         Output_section::relaxed_input_section_map_,
5669         Output_section::is_relaxed_input_section_map_valid_): Remove data
5670         members.
5671         (Output_section::lookup_maps_): New data member.
5672
5673 2010-05-21  Doug Kwan  <dougkwan@google.com>
5674
5675         PR gold/11619
5676         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
5677         avoid a compilation error.
5678
5679 2010-05-19  Rafael Espindola  <espindola@google.com>
5680
5681         * script-sections.cc (Output_section_definition::allocate_to_segment):
5682         Update the phdrs_list even when the output section is NULL.
5683         * testsuite/Makefile.am: Add test.
5684         * testsuite/Makefile.in: Regenerate.
5685         * testsuite/script_test_9.cc: New.
5686         * testsuite/script_test_9.sh: New.
5687         * testsuite/script_test_9.t: New.
5688
5689 2010-05-19  Doug Kwan  <dougkwan@google.com>
5690
5691         * arm.cc (Arm_input_section::original_size): New method.
5692         (Arm_input_section::do_addralign): Add a cast.
5693         (Arm_input_section::do_output_offset): Remove static cast.
5694         (Arm_input_section::original_addralign,
5695          Arm_input_section::original_size_): Change type to uint32_t.
5696         (Arm_input_section::init): Add safe casts for section alignment
5697         and size.
5698         (Arm_input_section::set_final_data_size): Do not set address and
5699         offset of stub table.
5700         (Arm_output_section::fix_exidx_coverage): Change use of of
5701         Output_section::Simple_input_section to that of
5702         Output_section::Input_section.
5703         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
5704         except for the first pass.
5705         * output.cc (Output_section::get_input_sections): Change type of
5706         input_sections to std::list<Input_section>.
5707         (Output_section::add_script_input_section): Rename from
5708         Output_section::add_simple_input_section.  Change type of SIS
5709         parameter from Simple_input_section to Input_section.
5710         * output.h (Output_section::Simple_input_section): Remove class.
5711         (Output_section::Input_section): Change class visibility to public.
5712         (Output_section::Input_section::addralign): Use stored alignments
5713         for special input sections if set.
5714         (Output_section::Input_section::set_addralign): New method.
5715         (Output_section::get_input_sections): Change parameter type from
5716         list of Simple_input_section to list of Input_section.
5717         (Output_section::add_script_input_section): Rename from
5718         Output_section::add_simple_input_section. Change first parameter's
5719         type from Simple_input_section to Input_section and remove the
5720         second and third parameters.
5721         * script-sections.cc (Input_section::Input_section_list): Change
5722         type to list of Output_section::Input_section/
5723         (Input_section_info::Input_section_info): Change parameter type of
5724         INPUT_SECTION to Output_section::Input_section.
5725         (Input_section_info::input_section): Change return type.
5726         (Input_section_info::input_section_): Change type to
5727         Output_section::Input_section.
5728         (Output_section_element_input::set_section_addresses): Adjust code
5729         to use Output_section::Input_section instead of
5730         Output_section::Simple_input_section.  Adjust code for renaming
5731         of Output_section::add_simple_input_section.
5732         (Orphan_output_section::set_section_addresses): Ditto.
5733
5734 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5735
5736         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5737         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5738
5739 2010-05-18  Rafael Espindola  <espindola@google.com>
5740
5741         * options.cc (General_options::finalize): Handle -nostdlib.
5742         * options.h (nostdlib): New option.
5743         * script.cc (script_add_search_dir): Handle -nostdlib.
5744
5745 2010-05-12  Doug Kwan  <dougkwan@google.com>
5746
5747         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5748         attributes section only if there no attributes section after merging.
5749         (Target_arm::merge_object_attributes): Move value of
5750         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5751         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5752         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5753         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5754         and arm_attr_merge_7.stdout.
5755         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5756         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5757         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5758         arm_attr_merge_7b.o): New rules.
5759         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5760         arm_attr_merge_7
5761         * testsuite/Makefile.in: Regenerate.
5762         * testsuite/arm_attr_merge.sh: New file.
5763         * testsuite/arm_attr_merge_[67][ab].s: Same.
5764
5765 2010-05-05  Nick Clifton  <nickc@redhat.com>
5766
5767         * po/es.po: Updated Spanish translation.
5768
5769 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5770
5771         * Makefile.am (install-exec-local): Properly install gold as
5772         default cross linker.
5773         * Makefile.in: Regenerated.
5774
5775 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5776             Nick Clifton  <nickc@redhat.com>
5777
5778         * configure.ac (install_as_default): Define and set to false
5779         unless --enable-gold or --enable-gold=both/gold has been
5780         specified.
5781         * configure: Regenerate.
5782
5783         * Makefile.am (install-exec-local): Install the executable as
5784         'ld.gold'.  If install_as_default is true then also install it as
5785         'ld'.
5786         * Makefile.in: Regenerated.
5787
5788 2010-04-24  Ian Lance Taylor  <iant@google.com>
5789
5790         * layout.cc (Layout::layout_reloc): In relocatable link don't
5791         combine reloc sections for grouped sections.
5792
5793 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5794
5795         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5796         sections that are not ordinary to icf.
5797         * icf.cc (get_section_contents): Handle relocation pointing to section
5798         with no object or shndx information.
5799         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5800         * testsuite/Makefile.in: Regenerate.
5801         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5802         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5803
5804 2010-04-22  Ian Lance Taylor  <iant@google.com>
5805
5806         * expression.cc (Expression::Expression_eval_info): Add
5807         result_alignment_pointer field.
5808         (Expression::eval_with_dot): Add result_alignment_pointer
5809         parameter.  Change all callers.
5810         (Expression::eval_maybe_dot): Likewise.
5811         (class Binary_expression): Add alignment_pointer parameter to
5812         left_value and right_value.  Change all callers.
5813         (BINARY_EXPRESSION): Set result alignment.
5814         (class Trinary_expression): Add alignment_pointer parameter to
5815         arg2_value and arg3_value.  Change all callers.
5816         (Trinary_cond::value): Set result alignment.
5817         (Max_expression::value, Min_expression::value): Likewise.
5818         (Align_expression::value): Likewise.
5819         * script-sections.cc (class Sections_element): Add dot_alignment
5820         parameter to set_section_addresses virtual function.  Update
5821         instantiations.
5822         (class Output_section_element): Likewise.
5823         (Script_sections::create_segments): Add dot_alignment parameter.
5824         Change all callers.
5825         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5826         (Script_sections::set_phdrs_clause_addresses): Likewise.
5827         * script-sections.h: Update declarations.
5828         * script.h: Update declarations.
5829         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5830         min_p_align.
5831         * testsuite/script_test_3.t: Set large alignment.
5832         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5833         segment has expected alignment.
5834
5835 2010-04-22  Nick Clifton  <nickc@redhat.com>
5836
5837         * po/gold.pot: Updated by the Translation project.
5838         * po/vi.po: Updated Vietnamese translation.
5839
5840 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5841
5842         * testsuite/Makefile.am (check_PROGRAMS): Add
5843         icf_virtual_function_folding_test.
5844         * testsuite/Makefile.in: Regenerated.
5845
5846 2010-04-15  Andrew Haley  <aph@redhat.com>
5847
5848         * options.h (merge_exidx_entries): New option.
5849         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5850         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5851         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5852         (Target_arm::merge_exidx_entries): New function.
5853         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5854         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5855         to Arm_exidx_fixup constructor.
5856         Add new arg, merge_exidx_entries.
5857         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5858         Arm_output_section::fix_exidx_coverage.
5859
5860 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5861
5862         * icf.cc (get_section_contents): Check for preemptible functions.
5863         Ignore addend when appropriate.
5864         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5865         section folded.
5866         (add_from_relobj): Check for section folded.
5867         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5868         * symtab.h (should_add_dynsym_entry): Add new parameter.
5869         * target-reloc.h (scan_relocs): Check for section folded.
5870         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5871         Check reloc types for function pointers in shared objects.
5872         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5873         case.
5874         (icf_preemptible_functions_test): New test case.
5875         (icf_string_merge_test): New test case.
5876         * testsuite.Makefile.in: Regenerate.
5877         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5878         bar_glob.  Refactor code.
5879         * testsuite/icf_preemptible_functions_test.cc: New file.
5880         * testsuite/icf_preemptible_functions_test.sh: New file.
5881         * testsuite/icf_string_merge_test.cc: New file.
5882         * testsuite/icf_string_merge_test.sh: New file.
5883         * testsuite/icf_virtual_function_folding_test.cc: New file.
5884         * testsuite/icf_virtual_function_folding_test.sh: New file.
5885
5886 2010-04-14  Doug Kwan  <dougkwan@google.com>
5887
5888         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5889         for local symbol recounting if we remove a section due to ICF.
5890         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5891         there are no regular objects in input.
5892
5893 2010-04-13  Doug Kwan  <dougkwan@google.com>
5894
5895         * arm.cc (Arm_input_section::set_final_data_size): Compute
5896         accurate final data size instead of using current data size.
5897
5898 2010-04-09  Doug Kwan  <dougkwan@google.com>
5899
5900         * layout.cc (Layout::choose_output_section): Handle script section
5901         types.
5902         (Layout::make_output_section_for_script): Add section type parameter.
5903         Handle script section types.
5904         * layout.h (Layout::make_output_section_for_script): Add section
5905         type parameter.
5906         * output.cc (Output_section::Output_section): Initialize data member
5907         is_noload_.
5908         (Output_section::do_reset_address_and_file_offset): Do not set address
5909         to 0 if section is a NOLOAD section.
5910         * output.h (Output_section::is_noload): New method.
5911         (Output_section::set_is_noload): Ditto.
5912         (Output_section::is_noload_): New data member.
5913         * script-c.h (Script_section_type): New enum type.
5914         (struct Parser_output_section_header): Add new file section_type.
5915         * script-sections.cc (Sections_element::output_section_name): Add
5916         parameter for returning script section type.
5917         (Output_section_definition::output_section_name): Ditto.
5918         (Output_section_definition::section_type)P; New method.
5919         (Output_section_definiton::script_section_type_name): Ditto.
5920         (Output_section_definition::script_section_type_): New data member.
5921         (Output_section_definition::Output_section_definition): Initialize
5922         data member Output_section_definition::script_section_type_.
5923         (Output_section_definition::create_sections): Pass script section type
5924         to Layout::make_output_section_for_script.
5925         (Output_section_definition::output_section_name): Return script
5926         section type to caller.
5927         (Output_section_definition::set_section_address): Do not advance
5928         dot value and load address if section type is NOLOAD.  Set address
5929         of NOLOAD sections regardless of section flags.
5930         (Output_section_definition::print): Print section type if it is
5931         not SCRIPT_SECTION_TYPE_NONE.
5932         (Output_section_definition::section_type): New method.
5933         (Output_section_definition::script_section_type_name): Ditto.
5934         (Script_sections::output_section_name): Add new parameter
5935         PSECTION_TYPE for returning script section type.  Pass it to
5936         section elements.  Handle discard sections.
5937         (Sort_output_sections::operator()): Handle NOLOAD sections.
5938         * script-sections.h (Script_sections::Section_type): New enum type.
5939         (Script_sections::output_section_name): Add a new parameter for
5940         returning script section type.
5941         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5942         INFO and NOLOAD.
5943         * yyscript.y (union): Add new field SECTION_TYPE.
5944         (COPY, DSECT, INFO, NOLOAD): New tokens.
5945         (opt_address_and_section_type): Change type to output_section_header.
5946         (section_type): New non-terminal
5947         (section_header): Handle section type.
5948         (opt_address_and_section_type): Return section type value.
5949
5950 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5951
5952         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5953         * testsuite/plugin_common_test_2.c (foo): Likewise.
5954
5955 2010-04-08  Doug Kwan  <dougkwan@google.com>
5956
5957         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5958         Output_merge_data.
5959         * output.cc (Output_section::add_merge_input_section): Simplify
5960         code and return status of Output_merge_base::add_input_section.
5961         Update merge section map only if Output_merge_base::add_input_section
5962         returns true.
5963
5964 2010-04-07  Doug Kwan  <dougkwan@google.com>
5965
5966         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5967         if section is marked as containing instructions but has no mapping
5968         symbols.
5969         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5970         correct section index.
5971         (Arm_relobj::find_linked_text_section): Ditto.
5972
5973 2010-04-07  Cary Coutant  <ccoutant@google.com>
5974
5975         * archive.cc (include_member): Destroy Read_symbols_data object before
5976         releasing file.
5977         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5978         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5979         (Read_symbols_data::~Read_symbols_data) New destructor.
5980         (Section_relocs::Section_relocs) New constructor.
5981         (Section_relocs::~Section_relocs) New destructor.
5982         (Read_relocs_data::Read_relocs_data) New constructor.
5983         (Read_relocs_data::~Read_relocs_data) New destructor.
5984         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5985         pointers to NULL after deleting.
5986
5987 2010-04-07  Doug Kwan  <dougkwan@google.com>
5988
5989         * arm.cc: Replace "endianity" with "endianness" in comments.
5990         (Arm_exidx_cantunwind): Ditto.
5991         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5992         (Arm_relobj::merge_flags_and_attributes): New method.
5993         (Arm_relobj::merge_flags_and_attributes_): New data member.
5994         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5995         (Arm_relobj::scan_sections_for_stubs): Ditto.
5996         (Arm_relobj::do_read_symbols): Check to see if we really want to
5997         merge processor-specific flags and attributes.  Exit early if
5998         an object is empty except for section names and the undefined symbol.
5999         (Target_arm::do_finalize_sections): Move check for ELF format to
6000         Arm_relobj::do_read_symbols.  Merge processor specific flags and
6001         attributes from a regular object only when we have determined that
6002         it is aapropriate.  Do not create an .ARM.attributes section in
6003         output if there is no regular input object.
6004         (Target_arm::merge_processor_specific_flags): Check
6005         --warn-mismatch before printing any error.
6006         (Target_arm::merge_object_attributes): Ditto.
6007         * gold.cc (queue_middle_tasks): Handle the case in which there is
6008         no regular object in input.
6009         * options.cc (General_options::parse_EB): New method.
6010         (General_options::parse_EL): Same.
6011         (General_options::General_options): Initialize endianness_.
6012         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
6013         New options.
6014         (General_options::Endianness): New enum.
6015         (General_options::endianness): New method.
6016         (General_options::endianness_): New data member.
6017         * parameters.cc (Parameters::set_options): Check target endianness.
6018         (Parameters::set_target_once): Ditto.
6019         (Parameters::check_target_endianness): New method.
6020         (parameters_force_valid_target): If either -EL or -EB is specified,
6021         use it to define endianness of default target.
6022         * parameters.h (Parameters::check_target_endianness): New method
6023         declaration.
6024         * target.h (class Target): Change "endianity" to "endianness"
6025         in comments.
6026
6027 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6028
6029         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
6030         * configure: Regenerate.
6031         * Makefile.in: Regenerate.
6032         * testsuite/Makefile.in: Regenerate.
6033
6034 2010-04-06  Cary Coutant  <ccoutant@google.com>
6035
6036         gcc PR lto/42757
6037         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
6038         prevailing definitions of common symbols.
6039         * testsuite/plugin_test_6.sh: New test case.
6040         * testsuite/plugin_common_test_1.c: New test case.
6041         * testsuite/plugin_common_test_2.c: New test case.
6042         * testsuite/Makefile.am (plugin_test_6): New test case.
6043         * testsuite/Makefile.in: Regenerate.
6044
6045 2010-04-06  Nick Clifton  <nickc@redhat.com>
6046
6047         * po/vi.po: New Vietnamese translation.
6048
6049 2010-03-30  Doug Kwan  <dougkwan@google.com>
6050
6051         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
6052
6053 2010-03-25  Doug Kwan  <dougkwan@google.com>
6054
6055         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
6056         to avoid a conversion warning on a 32-bit host.
6057
6058 2010-03-24  Ian Lance Taylor  <iant@google.com>
6059
6060         * testsuite/script_test_3.t: Add a TLS segment.
6061         * testsuite/Makefile.am (check_PROGRAMS): Add
6062         tls_phdrs_script_test.
6063         (tls_phdrs_script_test_SOURCES): Define.
6064         (tls_phdrs_script_test_DEPENDENCIES): Define.
6065         (tls_phdrs_script_test_LDFLAGS): Define.
6066         (tls_phdrs_script_test_LDADD): Define.
6067         * testsuite/Makefile.in: Rebuild.
6068
6069 2010-03-23  Cary Coutant  <ccoutant@google.com>
6070
6071         * fileread.cc (find_or_make_view): Fix comment.
6072
6073 2010-03-23  Ian Lance Taylor  <iant@google.com>
6074
6075         * script-sections.cc (class Orphan_section_placement): Define
6076         PLACE_TLS and PLACE_TLS_BSS.
6077         (Orphan_section_placement::Orphan_section_placement): Initialize
6078         new places.
6079         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
6080         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
6081         (tls_script_test_SOURCES): Define.
6082         (tls_script_test_DEPENDENCIES): Define.
6083         (tls_script_test_LDFLAGS): Define.
6084         (tls_script_test_LDADD): Define.
6085         * testsuite/Makefile.in: Rebuild.
6086
6087 2010-03-22  Doug Kwan  <dougkwan@google.com>
6088
6089         * arm.cc (Arm_relocate_functions::abs8,
6090         Arm_relocate_functions::abs16): Use correct check for overflow
6091         specified in the ARM ELF specs.
6092         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
6093         target of a BLX instruction specially.
6094         (Reloc_stub::stub_type_for_reloc): Ditto.
6095         (Relocate::relocate): Use symbolic names instead of numeric relocation
6096         codes to report error.
6097         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
6098         workaround.
6099         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
6100         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
6101         thumb2_blx_out_of_range.stdout
6102         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
6103         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
6104         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
6105         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
6106         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
6107         thumb2_blx_in_range, thumb2_blx_in_range.o,
6108         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
6109         thumb2_blx_out_of_range.o): New rules.
6110         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
6111         thumb2_blx_in_range and thumb2_blx_out_of_range.
6112         * testsuite/Makefile.in: Regenerate.
6113         * arm_branch_in_range.sh: Add tests for THUMB BLX.
6114         * testsuite/thumb_blx_in_range.s: New file.
6115         * testsuite/thumb_blx_out_of_range.s: New file.
6116
6117 2010-03-22  Rafael Espindola  <espindola@google.com>
6118
6119         * archive.cc (Should_include): Move to archive.h.
6120         (should_include_member): Make it a member of Archive.
6121         (Lib_group): New.
6122         (Add_lib_group_symbols): New.
6123         * archive.h: Include options.h.
6124         (Archive_member): Moved from Archive.
6125         (Should_include): Moved from archive.cc.
6126         (Lib_group): New.
6127         (Add_lib_group_symbols): New.
6128         * dynobj.cc (do_should_include_member): New.
6129         * dynobj.h (do_should_include_member): New.
6130         * gold.cc (queue_initial_tasks): Update call to queue.
6131         * main.cc (main): Print lib group stats.
6132         * object.cc (do_should_include_member): New.
6133         * object.h: Include archive.h.
6134         (Object::should_include_member): New.
6135         (Object::do_should_include_member): New.
6136         (Sized_relobj::do_should_include_member): New.
6137         * options.cc (General_options::parse_start_lib): New.
6138         (General_options::parse_end_lib): New.
6139         (Input_arguments::add_file): Handle lib groups.
6140         (Input_arguments::start_group): Check we are not in a lib.
6141         (Input_arguments::start_lib): New.
6142         (Input_arguments::end_lib): New.
6143         * options.h (General_options): Add start_lib and end_lib.
6144         (Input_argument::lib_): New.
6145         (Input_argument::lib): New.
6146         (Input_argument::is_lib): New.
6147         (Input_file_lib): New.
6148         (Input_arguments::in_lib_): New.
6149         (Input_arguments::in_lib): New.
6150         (Input_arguments::start_lib): New.
6151         (Input_arguments::end_lib_): New.
6152         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
6153         in unused members as preempted.
6154         (Sized_pluginobj::do_should_include_member): New.
6155         * plugin.h (Sized_pluginobj::do_should_include_member): New.
6156         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
6157         return the blocker.
6158         (Read_symbols::do_whole_lib_group): New.
6159         (Read_symbols::do_lib_group): New.
6160         (Read_symbols::do_read_symbols): Handle lib groups.
6161         (Read_symbols::get_name): Handle lib groups.
6162         * readsyms.h (Read_symbols): Add an archive member pointer.
6163         (Read_symbols::do_whole_lib_group): New.
6164         (Read_symbols::do_lib_group): New.
6165         (Read_symbols::member_): New.
6166         * script.cc (read_input_script): Update call to queue_soon.
6167
6168 2010-03-19  Doug Kwan  <dougkwan@google.com>
6169
6170         * arm.cc (Stub_table::Stub_table): Initialize new data members
6171         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6172         (Stub_table::add_reloc_stub): Assign stub offset and update
6173         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6174         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
6175         New data members.
6176         (Stub_table::update_data_size_and_addralign): Use
6177         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
6178         instead of going over all reloc stubs.
6179         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
6180         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6181         Stringpool_template::offset_ to size of Stringpool_char.
6182         (Stringpool_template::new_key_offset): Remove code to initialize
6183         Stringpool_template::offset_.
6184         * stringpool.h (Stringpool_template::set_no_zero_null): Set
6185         Stringpool_template::offset_ to zero.
6186
6187 2010-03-15  Doug Kwan  <dougkwan@google.com>
6188
6189         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6190         offset_.
6191         (Stringpool_template::new_key_offset): New method.
6192         (Stringpool_template::add_string): Assign offsets when adding new
6193         strings.
6194         (Stringpool_template::set_string_offsets): Do not set string offsets
6195         when not optimizing.
6196         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
6197         member size_.
6198         (Chunked_vector::clear): Clear size_.
6199         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
6200         (Chunked_vector::size): Return size_.
6201         (Chunked_vector::push_back): Use size_ to find insert position.
6202         (Chunked_vector::size_): New data member.
6203         (Stringpool_template::set_no_zero_null): Assert string set is empty.
6204         (Stringpool_template::new_key_offset): New method declaration.
6205         (Stringpool_template::offset_): New data member.
6206
6207 2010-03-15   Rafael Espindola  <espindola@google.com>
6208
6209         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
6210         Add_symbols' constructor.
6211         * readsyms.h (Add_symbols): Remove the input_group member.
6212
6213 2010-03-10  Ian Lance Taylor  <iant@google.com>
6214
6215         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
6216         target to ask whether a reference to a symbol requires a stack
6217         split.
6218         * target.h (Target::is_call_to_non_split): New function.
6219         (Target::do_is_call_to_non_split): Declare virtual function.
6220         * target.cc: Include "symtab.h".
6221         (Target::do_is_call_to_non_split): New function.
6222         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
6223
6224 2010-03-10  Cary Coutant  <ccoutant@google.com>
6225
6226         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
6227         (File_read::open[1]): Remove initial mapping of whole_file_view_.
6228         (File_read::open[2]): Add whole_file_view_ to list of views.
6229         (File_read::make_view): Remove test of whole_file_view_.
6230         (File_read::find_or_make_view): Create whole_file_view_ if
6231         necessary.
6232         (File_read::clear_views): Replace bool parameter with enum;
6233         adjust all callers.  Don't delete views with permanent data;
6234         do delete cached views and views from archives if
6235         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
6236         if clearing the corresponding view.
6237         * fileread.h (File_read::Clear_views_mode): New enum.
6238         (File_read::View::is_permanent_view): New method.
6239         (File_read::clear_views): Replace bool parameter
6240         with enum; adjust all callers.
6241         * options.h (General_options): Change keep_files_mapped option;
6242         add map_whole_files.
6243         * readsyms.cc (Add_symbols::run): Delete sd_ object before
6244         releasing the file.
6245         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
6246         the file.
6247
6248 2010-03-10  David S. Miller  <davem@davemloft.net>
6249
6250         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
6251
6252 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6253
6254         * icf.cc (get_section_contents): Add '@' marker after processing the
6255         merge reloc.
6256
6257 2010-03-08  Doug Kwan  <dougkwan@google.com>
6258
6259         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
6260         due to a conversion warning.
6261         (Arm_relobj::update_output_local_symbol_count): Check for local
6262         symbol with unset output index.
6263
6264 2010-03-05  Ian Lance Taylor  <iant@google.com>
6265
6266         * options.h (class General_options): Add --spare-dynamic-tags.
6267         * output.cc (Output_data_dynamic::set_final_data_size): Implement
6268         --spare-dynamic-tags.
6269
6270 2010-03-05  Ian Lance Taylor  <iant@google.com>
6271
6272         * incremental.cc: Include "libiberty.h".
6273
6274 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6275
6276         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
6277         function, is_info_ member.
6278         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
6279         (Versions::Versions): Update caller.
6280         (Versions::define_base_version): Likewise.
6281         (Versions::add_def): Likewise.
6282
6283 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
6284
6285         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
6286         (Scan::possible_function_pointer_reloc): New function.
6287         (Scan::local_reloc_may_be_function_pointer): Change to call
6288         possible_function_pointer_reloc.
6289         (Scan::global_reloc_may_be_function_pointer): Ditto.
6290         * icf.h (Icf::check_section_for_function_pointers): Change to reject
6291         relocations in ".data.rel.ro._ZTV" section.
6292         * testsuite/icf_safe_so_test.sh: Change to pass i386.
6293         * testsuite/icf_safe_so_test.cc: Ditto.
6294         * testsuite/icf_safe_test.cc: Ditto.
6295         * testsuite/icf_safe_test.sh: Ditto.
6296
6297 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6298             Ian Lance Taylor  <iant@google.com>
6299
6300         * target-reloc.h (relocate_section): Check the symbol table index
6301         for -1U before setting the local symbol index.
6302         (scan_relocatable_relocs): If copying the relocation, record that
6303         the local symbol is required.
6304         * object.h (Symbol_value::is_output_symtab_index_set): New
6305         function.
6306         (Symbol_value::may_be_discarded_from_output_symtab): New
6307         function.
6308         (Symbol_value::has_output_symtab_entry): New function.
6309         (Symbol_value::needs_output_symtab_entry): Remove.
6310         (Symbol_value::output_symtab_index): Make sure the symbol index is
6311         set.
6312         (Symbol_value::set_output_symtab_index): Make sure the symbol
6313         index is not set.  Make sure the new index is valid.
6314         (Symbol_value::set_must_have_output_symtab_entry): New function.
6315         (Symbol_value::has_output_dynsym_entry): New function.
6316         (Symbol_value::set_output_dynsym_index): Make sure the new index
6317         is valid.
6318         (Sized_relobj::set_must_have_output_symtab_entry): New function.
6319         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
6320         local symbol if permitted.
6321         (Sized_relobj::do_finalize_local_symbols): Call
6322         is_output_symtab_index_set rather than needs_output_symtab_entry.
6323         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
6324         rather than needs_output_symtab_entry.  Call
6325         has_output_dynsym_entry rather than needs_output_dynsym_entry.
6326         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
6327         is_output_symtab_index_set rather than needs_output_symtab_entry.
6328         * testsuite/discard_locals_relocatable_test.c: New file.
6329         * testsuite/discard_locals_test.sh: Test -r.
6330         * testsuite/Makefile.am (check_DATA): Add
6331         discard_locals_relocatable_test1.syms,
6332         discard_local_relocatable_test2.syms.
6333         (MOSTLYCLEANFILES): Likewise.  Also add
6334         discard_locals_relocatable_test1.lout and
6335         discard_locals_relocatable_test2.out.
6336         (discard_locals_relocatable_test1.syms): New target.
6337         (discard_locals_relocatable_test.o): New target.
6338         (discard_locals_relocatable_test1.out): New target.
6339         (discard_locals_relocatable_test2.syms): New target.
6340         (discard_locals_relocatable_test2.out): New target.
6341         (various): Add missing ../ld-new dependencies.
6342         * testsuite/Makefile.in: Rebuild.
6343
6344 2010-03-03  Nick Clifton  <nickc@redhat.com>
6345
6346         * po/fi.po: New Finnish translation.
6347
6348 2010-03-01  Doug Kwan  <dougkwan@google.com>
6349
6350         * layout.cc (Layout::Layout): Force section types of .init_array*,
6351         .preinit_array* and .fini_array* sections.
6352         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6353         Fix check of return value of std::string::find.().
6354         (Output_section::Input_section_sort_compare::operator()): Remove
6355         comment about .init_array.
6356         (Output_section::Input_section_sort_init_fini_compare::operator()):
6357         New method.
6358         (Output_section::sort_attached_input_sections): Handle .init_array
6359         and .fini_array specially.
6360         * output.h (Output_section::Inut_section_sort_compare): Update
6361         comment.
6362         (Output_section::Input_section_sort_init_fini_compare): New struct.
6363
6364 2010-02-26  Doug Kwan  <dougkwan@google.com>
6365
6366         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6367         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6368         * testsuite/debug_msg.sh: Avoid matching source line number for
6369         use of global variable undef_int.
6370
6371 2010-02-26  Doug Kwan  <dougkwan@google.com>
6372
6373         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6374         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6375         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6376         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6377         * options.cc (General_options::General_options): Initialize member
6378         fix_v4bx_.
6379         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6380         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6381         and rm_no_fix_v4bx.stdout
6382         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6383         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6384         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6385         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6386         and arm_no_fix_v4bx.
6387         * Makefile.in: Regenerate.
6388         * testsuite/arm_fix_v4bx.s: New file.
6389         * testsuite/arm_fix_v4bx.sh: Ditto.
6390
6391 2010-02-24  Doug Kwan  <dougkwan@google.com>
6392
6393         * arm.cc (Target_arm::got_section): Make the .got section the first
6394         non RELRO section in the data segment.
6395         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6396         suffixes of section names.
6397
6398 2010-02-24  Doug Kwan  <dougkwan@google.com>
6399
6400         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6401         flags and attributes merging if an input file is a binary file.
6402         * fileread.cc (Input_file::open): Record format of original file.
6403         * fileread.h (Input_file::Format): New enum type.
6404         (Input_file::Input_file): Initialize data member format_.
6405         (Input_file::format): New method definition.
6406         (Input_file::format_):: New data member.
6407
6408 2010-02-24  Doug Kwan  <dougkwan@google.com>
6409
6410         * arm.cc (Arm_output_data_got): New class.
6411         (ARM_TCB_SIZE): New constant
6412         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6413         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6414         If user uses a script with a SECTIONS clause, issue only a warning
6415         for a misplaced EXIDX input section.  Otherwise, issue an error.
6416         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6417         garbage collection.
6418         (Target_arm::got_mode_index_entry): Handle static linking.
6419         (Target_arm::Scan::local): Ditto.
6420         (Target_arm::Scan::global): Ditto.
6421         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6422         all incorrectly implemented relocations.
6423         (Target_arm::fix_exidx_coverage): Pass layout to
6424         Arm_output_section::fix_exidx_coverage.
6425         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6426         from ".ARM.exidx." and ".ARM.extab.".
6427
6428 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6429
6430         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6431         section if it does not already exist.
6432         * attributes.cc (Attributes_section_data::Attributes_section_data):
6433         Don't crash if size is zero.
6434
6435 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6436             Ian Lance Taylor  <iant@google.com>
6437
6438         * gold.cc (queue_middle_tasks): If no input files were opened,
6439         exit.
6440         * workqueue.h (Task_function::Task_function): Assert that there is
6441         a blocker.
6442
6443 2010-02-22  Doug Kwan  <dougkwan@google.com>
6444
6445         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
6446         * icf.cc (get_section_contents): Cast snprintf arguments to long long
6447         types to avoid warnings due to different uint64_t implementations
6448         on different hosts.
6449
6450 2010-02-21  Doug Kwan  <dougkwan@google.com>
6451
6452         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
6453         handling of the maximum backward branch offset.
6454         (Arm_relocate_functions::thumb_branch_common): Ditto.
6455         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
6456         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
6457         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
6458         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
6459         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
6460         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
6461         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
6462         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
6463         thumb_bl_out_of_range thumb_bl_out_of_range.o,
6464         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
6465         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
6466         thumb2_bl_out_of_range.o): New rules.
6467         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
6468         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
6469         thumb2_bl_out_of_range
6470         * testsuite/Makefile.in: Regenerate.
6471         * testsuite/arm_bl_in_range.s: New file.
6472         * testsuite/arm_bl_out_of_range.s: Ditto.
6473         * testsuite/arm_branch_in_range.sh: Ditto.
6474         * testsuite/arm_branch_range.t: Ditto.
6475         * testsuite/thumb2_branch_range.t: Ditto.
6476         * testsuite/thumb_bl_in_range.s: Ditto.
6477         * testsuite/thumb_bl_out_of_range.s: Ditto.
6478         * testsuite/thumb_branch_range.t: Ditto.
6479
6480 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
6481
6482         * gc.h (gc_process_relocs): Change vectors to point to the new list.
6483         Add reloc offset information.
6484         * icf.cc (get_section_contents): Change iterators to point to the new
6485         vectors. Add reloc offset information to the contents.
6486         * icf.h (Icf::Sections_reachable_info): New typedef.
6487         (Icf::Sections_reachable_list): New typedef.
6488         (Icf::Offset_info): New typedef.
6489         (Icf::Reloc_info): New struct typedef.
6490         (Icf::Reloc_info_list): New typedef.
6491         (Icf::symbol_reloc_list): Delete method.
6492         (Icf::addend_reloc_list): Delete method.
6493         (Icf::section_reloc_list): Delete method.
6494         (Icf::reloc_info_list): New method.
6495         (Icf::reloc_info_list_): New member.
6496
6497 2010-02-19  Doug Kwan  <dougkwan@google.com>
6498
6499         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
6500         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
6501         * arm.cc (Arm_relocation_functions): New forward declaration.
6502         (Target_arm::Target_arm): Initialize new data members
6503         got_mod_index_offset_ and tls_base_symbol_defined_.
6504         (Target_arm::Relocate::relocate_tls): New method.
6505         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
6506          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
6507         New methods.
6508         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
6509         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
6510         (Target_arm::got_mod_index_offset_,
6511         Target_arm::tls_base_symbol_defined_): New data members.
6512         (Target_arm::Scan::local, Target::Scan::global,
6513         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
6514         relocations.
6515
6516 2010-02-18  Doug Kwan  <dougkwan@google.com>
6517
6518         * arm.cc (Arm_relobj::find_linked_text_section): New method.
6519         (Arm_relobj::make_exidx_input_section): Pass section index of linked
6520         text section as a parameter becuase some broken tools may not set
6521         the link in section header.
6522         (Target_arm::has_got_section): New method.
6523         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
6524         without any mapping symbol as data only.  Remove warning.
6525         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
6526         link in its section header, try to discover the link by inspecting the
6527         REL31 relocation at the beginning of the section.
6528         (Target_arm::Scan::check_non_pic): Report name of offending relocation
6529         in error message.
6530         (Target_arm::Scan::global): Treat any reference to the symbol
6531         _GLOBAL_OFFSET_TABLE_ as a GOT access.
6532
6533 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
6534
6535         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
6536         (Scan::global_reloc_may_be_function_pointer): New function.
6537         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6538         (Scan::global_reloc_may_be_function_pointer): New function.
6539         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6540         (Scan::global_reloc_may_be_function_pointer): New function.
6541         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
6542         (Scan::global_reloc_may_be_function_pointer): New function.
6543         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
6544         (Scan::global_reloc_may_be_function_pointer): New function.
6545         (Scan::possible_function_pointer_reloc): New function.
6546         (Target_x86_64::can_check_for_function_pointers): New function.
6547         * gc.h (gc_process_relocs): Scan relocation types to determine if
6548         function pointers were taken for targets that support it.
6549         * icf.cc (Icf::find_identical_sections): Include functions for
6550         folding in safe ICF whose pointer is not taken.
6551         * icf.h (Secn_fptr_taken_set): New typedef.
6552         (fptr_section_id_): New member.
6553         (section_has_function_pointers): New function.
6554         (set_section_has_function_pointers): New function.
6555         (check_section_for_function_pointers): New function.
6556         * options.h: Fix comment for safe ICF option.
6557         * target.h (can_check_for_function_pointers): New function.
6558         * testsuite/Makefile.am: Add icf_safe_so_test test case.
6559         Modify icf_safe_test for X86-64.
6560         * testsuite/Makefile.in: Regenerate.
6561         * testsuite/icf_safe_so_test.cc: New file.
6562         * testsuite/icf_safe_so_test.sh: New file.
6563         * testsuite/icf_safe_test.cc (kept_func_3): New function.
6564         (main): Change to take pointer to function kept_func_3.
6565         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
6566         folding is done correctly for X86-64.
6567
6568 2010-02-12  David S. Miller  <davem@davemloft.net>
6569
6570         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
6571         is_symbolless parameter.
6572         (Output_reloc<SHT_REL>::is_symbolless): New.
6573         (Output_reloc<SHT_REL>::is_symbolless_): New.
6574         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
6575         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
6576         (Output_reloc<SHT_RELA>::is_symbolless): New.
6577         (Output_data_reloc::add_global): Handle is_symbolless.
6578         (Output_data_reloc::add_global_relative): Likewise.
6579         (Output_data_reloc::add_local): Likewise.
6580         (Output_data_reloc::add_local_relative): Likewise.
6581         (Output_data_reloc::add_symbolless_global_addend): New.
6582         (Output_data_reloc::add_symbolless_local_addend): New.
6583         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
6584         is_symbolless.
6585         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
6586         instead of ->is_relative_
6587         (Output_reloc::write): Likewise.
6588         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
6589         (Output_reloc::write_rel): Simplify.
6590
6591         * sparc.cc (Target_sparc::Scan::local): Use
6592         ->add_symbolless_local_addend as needed.
6593         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
6594         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
6595         based upon relocation offset.
6596
6597 2010-02-11  Doug Kwan  <dougkwan@google.com>
6598
6599         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
6600         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
6601         beginning of function.
6602         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
6603         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
6604         parameter is_32bit in calls to should_apply_static_reloc.
6605         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
6606         (check_DATA): Add arm_abs_global.stdout.
6607         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
6608         arm_abs_global.stdout): New rules.
6609         (MOSTLLYCLEANFILES): Add arm_abs_global
6610         * Makefile.in: Regenerate.
6611         * testsuite/arm_abs_global.s: New file.
6612         * testsuite/arm_abs_global.sh: Ditto.
6613         * testsuite/arm_abs_lib.s: Ditto.
6614
6615 2010-02-11  Ian Lance Taylor  <iant@google.com>
6616
6617         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
6618         Read_relocs task.
6619         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
6620         Allocate_commons_task first.
6621         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
6622         task, rather than symtab_lock_.
6623         (Gc_process_relocs::~Gc_process_relocs): New function.
6624         (Gc_process_relocs::is_runnable): Check this_blocker_.
6625         (Gc_process_relocs::locks): Use next_blocker_ rather than
6626         blocker_.
6627         (Scan_relocs::~Scan_relocs): New function.
6628         (Scan_relocs::is_runnable): Check this_blocker_ rather than
6629         symtab_lock_.
6630         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
6631         next_blocker_.
6632         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
6633         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
6634         constructor accordingly.
6635         (class Gc_process_relocs): Likewise.
6636         (class Scan_relocs): Likewise.
6637         * common.h (class Allocate_commons_task): Remove symtab_lock_
6638         field, and corresponding constructor parameter.
6639         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
6640         symtab_lock_.
6641         (Allocate_commons_task::locks): Likewise.
6642
6643 2010-02-11  Ian Lance Taylor  <iant@google.com>
6644
6645         * gold-threads.h (class Once): Define.
6646         (class Initialize_lock): Rewrite as child of Once.
6647         * gold-threads.cc (class Once_initialize): Define.
6648         (once_pointer_control): New static variable.
6649         (once_pointer, once_arg): New static variables.
6650         (c_run_once): New static function.
6651         (Once::Once, Once::run_once, Once::internal_run): New functions.
6652         (class Initialize_lock_once): Remove.
6653         (initialize_lock_control): Remove.
6654         (initialize_lock_pointer): Remove.
6655         (initialize_lock_once): Remove.
6656         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
6657         (Initialize_lock::initialize): Rewrite.
6658         (Initialize_lock::do_run_once): New function.
6659         * archive.cc (Archive::interpret_header): Only clear name if it is
6660         not already empty.
6661         * fileread.cc: Include "gold-threads.h"
6662         (file_counts_lock): New static variable.
6663         (file_counts_initialize_lock): Likewise.
6664         (File_read::release): Only increment counts when using --stats.
6665         Use a lock around the increment.
6666         * parameters.cc (class Set_parameters_target_once): Define.
6667         (set_parameters_target_once): New static variable.
6668         (Parameters::Parameters): Move here from parameters.h.
6669         (Parameters::set_target): Rewrite.
6670         (Parameters::set_target_once): New function.
6671         (Parameters::clear_target): Move here and rewrite.
6672         * parameters.h (class Parameters): Update declarations.  Add
6673         set_parameters_target_once_ field.
6674         (Parameters::Parameters): Move to parameters.cc.
6675         (Parameters::clear_target): Likewise.
6676         * readsyms.cc (Read_symbols::do_group): Create a Start_group
6677         task.
6678         (Start_group::~Start_group): New function.
6679         (Start_group::is_runnable): New function.
6680         (Start_group::locks, Start_group::run): New functions.
6681         (Finish_group::run): Change saw_undefined to size_t.
6682         * readsyms.h (class Start_group): Define.
6683         (class Finish_group): Change saw_undefined_ field to size_t.
6684         (Finish_group::Finish_group): Remove saw_undefined and
6685         this_blocker parameters.  Change all callers.
6686         (Finish_group::set_saw_undefined): New function.
6687         (Finish_group::set_blocker): New function.
6688         * symtab.h (class Symbol_table): Change saw_undefined to return
6689         size_t.  Change saw_undefined_ field to size_t.
6690         * target-select.cc (Set_target_once::do_run_once): New function.
6691         (Target_selector::Target_selector): Initialize set_target_once_
6692         field.  Don't initialize lock_ and initialize_lock_ fields.
6693         (Target_selector::instantiate_target): Rewrite.
6694         (Target_selector::set_target): New function.
6695         * target-select.h (class Set_target_once): Define.
6696         (class Target_selector): Update declarations.  Make
6697         Set_target_once a friend.  Remove lock_ and initialize_lock_
6698         fields.  Add set_target_once_ field.
6699
6700 2010-02-10  Ian Lance Taylor  <iant@google.com>
6701
6702         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
6703         queueing any tasks.
6704         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
6705         (queue_middle_tasks): Add all blockers before queueing any tasks.
6706         (queue_final_tasks): Likewise.
6707         * token.h (Task_token::add_blockers): New function.
6708         * object.h (Input_objects::number_of_relobjs): New function.
6709
6710 2010-02-10  Ian Lance Taylor  <iant@google.com>
6711
6712         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
6713         shared, not if not position independent.
6714         * x86_64.cc (Relocate::relocate_tls): Likewise.
6715         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
6716         (tls_pie_pic_test): New target.
6717         * testsuite/Makefile.in: Rebuild.
6718
6719         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
6720         (tls_test_main_pie.o, tls_test_pie.o): New targets.
6721         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
6722         * testsuite/Makefile.in: Rebuild.
6723
6724 2010-02-09  David S. Miller  <davem@davemloft.net>
6725
6726         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
6727         R_SPARC_RELATIVE using ->add_local_relative().
6728         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
6729
6730         * output.h (Output_data_dynamic::add_section_size): New method
6731         that takes two Output_data objects.
6732         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6733         entry param.  Handle it in initializers.
6734         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6735         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6736         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6737         arg.
6738         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6739         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6740         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6741         for dynrel_includes_plt.
6742         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6743         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6744         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6745         before .rela.plt
6746         (Target_sparc::do_finalize_sections): Update to pass true for
6747         dynrel_includes_plt.
6748         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6749         output before .rela.plt
6750         (Target_powerpc::do_finalize_sections): Update to pass true for
6751         dynrel_includes_plt when 32-bit.
6752
6753 2010-02-08  Doug Kwan  <dougkwan@google.com>
6754
6755         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6756         method.
6757         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6758         Arm_relobj::scan_section_for_cortex_a8_stubs,
6759         Arm_relobj::do_relocation_section): Instead of calling
6760         Output_section::output_address, use faster
6761         Arm_relobj::simple_input_section_output_address.
6762
6763 2010-02-08  David S. Miller  <davem@davemloft.net>
6764
6765         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6766         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6767         relocation helper function.
6768
6769         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6770         just like R_SPARC_GOT{10,13,22}.
6771         (Target_sparc::Scan::local): Likewise.
6772         (Target_sparc::Relocate:relocate): Likewise.
6773
6774 2010-02-06  Ian Lance Taylor  <iant@google.com>
6775
6776         * configure.ac: Rewrite targetobjs duplicate removal code to use
6777         only shell constructs.
6778         * configure: Rebuild.
6779
6780 2010-02-05  Doug Kwan  <dougkwan@google.com>
6781
6782         PR 11247
6783         * arm.cc (Arm_relobj::section_is_scannable): New method.
6784         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6785         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6786
6787 2010-02-04  Doug Kwan  <dougkwan@google.com>
6788
6789         PR 11247
6790         * arm-reloc-property.cc (cstdio): Include.
6791         * configure.ac (targetobjs): Remove duplicates.
6792         * configure: Regenerate.
6793         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6794         big and little endian version for a given address size.
6795
6796 2010-02-03  Doug Kwan  <dougkwan@google.com>
6797
6798         * arm-reloc-property.cc
6799         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6800         definition.
6801         * arm-reloc-property.h
6802         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6803         New method definition.
6804         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6805         declaration.
6806         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6807         overflow to N.
6808         (GOT_PREL): Change implemented to Y.
6809         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6810         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6811         (Arm_relocate_functions::movw_abs_nc): Remove method.
6812         (Arm_relocate_functions::movt_abs): Ditto.
6813         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6814         (Arm_relocate_functions::thm_movt_abs): Ditto.
6815         (Arm_relocate_functions::movw_rel_nc): Ditto.
6816         (Arm_relocate_functions::movw_rel): Ditto.
6817         (Arm_relocate_functions::movt_rel): Ditto.
6818         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6819         (Arm_relocate_functions:thm_movw_rel): Ditto.
6820         (Arm_relocate_functions:thm_movt_rel): Ditto.
6821         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6822         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6823         New method definitions.
6824         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6825         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6826         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6827         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6828         (Target_arm::Relocate::relocate): Check for non-static or
6829         unimplemented relocation code and exit early.  Change calls to
6830         Target_arm::reloc_uses_thumb_bit and
6831         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6832         instead.  Refactor code to handle similar relocations to increase
6833         code sharing.  Remove check for unsupported relocation code in switch
6834         statement.
6835         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6836         relocation property table to find out size.  Change error message to
6837         print out the name of a relocation code instead of the numeric value.
6838         (Target_arm::scan_reloc_for_stub): Use relocation property table
6839         instead of calling Target_arm::reloc_uses_thumb_bit().
6840
6841 2010-02-02  Doug Kwan  <dougkwan@google.com>
6842
6843         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6844         types of relaxed input section.
6845
6846 2010-02-02  Doug Kwan  <dougkwan@google.com>
6847
6848         * Makefile.am (HFILES): Add arm-reloc-property.h.
6849         (DEFFILES): New.
6850         (TARGETSOURCES): Add arm-reloc-property.cc
6851         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6852         (libgold_a_SOURCES): $(DEFFILES)
6853         * Makefile.in: Regenerate.
6854         * arm-reloc-property.cc: New file.
6855         * arm-reloc-property.h: New file.
6856         * arm-reloc.def: New file.
6857         * arm.cc: Update comments.
6858         (arm-reloc-property.h): New included header.
6859         (arm_reloc_property_table): New global variable.
6860         (Target_arm::do_select_as_default_target): New method definition.
6861         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6862         arm-reloc-property to targ_extra_obj.
6863         * parameters.cc (set_parameters_target): Call
6864         Target::select_as_default_target().
6865         * target.h (Target::select_as_default_target): New method definition.
6866         (Target::do_select_as_default_target): Same.
6867
6868 2010-02-01  Doug Kwan  <dougkwan@google.com>
6869
6870         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6871         first_output_text_section_.
6872         (Arm_exidx_fixup::first_output_text_section): New method definition.
6873         (Arm_exidx_fixup::first_output_text_section_): New data member.
6874         (Arm_exidx_fixup::process_exidx_section): Record the first text
6875         output section seen.
6876         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6877         and entsize in output section header.
6878
6879 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6880
6881         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6882         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6883         (Arm_relocate_functions::thm_alu11): New Method.
6884         (Arm_relocate_functions::thm_pc8): New Method.
6885         (Arm_relocate_functions::thm_pc12): New Method.
6886         (Target_arm::Scan::local): Handle the relocations.
6887         (Target_arm::Scan::global): Likewise.
6888         (Target_arm::Relocate::relocate): Likewise.
6889         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6890
6891 2010-01-29  Doug Kwan  <dougkwan@google.com>
6892
6893         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6894         of relocation types as ld.
6895
6896 2010-01-29  Doug Kwan  <dougkwan@google.com>
6897
6898         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6899         to public.
6900         (Arm_relocate_functions::thumb_branch_common): Ditto.
6901         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6902         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6903         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6904         Arm_relocate_functions::jump24): Remove.
6905         (Target_arm::Relocate::relocate): Adjust code to call
6906         Arm_relocation_functions::arm_branch_common and
6907         Arm_relocation_functions::thumb_branch_common instead of their removed
6908         wrappers.  Merge switch-cases together to reduce source code size.
6909
6910 2010-01-29  Doug Kwan  <dougkwan@google.com>
6911
6912         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6913         output_local_symbol_count_needs_update_.
6914         (Arm_relobj::output_local_symbol_count_needs_update,
6915          Arm_relobj::set_output_local_symbol_count_needs_update,
6916          Arm_relobj::update_output_local_symbol_count): New methods.
6917         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6918         member.
6919         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6920         of pointed function as in a R_ARM_PREL31 relocation.
6921         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6922         for output local symbol count updating.
6923         (Target_arm::do_relax): Update output local symbol counts in objects
6924         if necessary.
6925         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6926
6927 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6928
6929         * arm.cc: Added support for the ARM relocations:
6930         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6931         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6932         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6933         movw_prel_nc).
6934         (Arm_relocate_functions::movw_rel): New method.
6935         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6936         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6937         thm_movw_prel_nc).
6938         (Arm_relocate_functions::thm_movw_rel): New method.
6939         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6940         thm_movt_prel).
6941         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6942         relocations.
6943         (Target_arm::Scan::global): Likewise.
6944         (Target_arm::Relocate::relocate): Likewise.
6945         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6946         Likewise.
6947
6948 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6949
6950         * arm.cc: Added support for ARM group relocations.
6951         (Target_arm::reloc_needs_sym_origin): New method.
6952         (Arm_relocate_functions::calc_grp_kn): New method.
6953         (Arm_relocate_functions::calc_grp_residual): New method.
6954         (Arm_relocate_functions::calc_grp_gn): New method.
6955         (Arm_relocate_functions::arm_grp_alu): New Method.
6956         (Arm_relocate_functions::arm_grp_ldr): New Method.
6957         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6958         (Arm_relocate_functions::arm_grp_ldc): New Method.
6959         (Target_arm::Scan::local): Handle the ARM group relocations.
6960         (Target_arm::Scan::global): Likewise.
6961         (Target_arm::Relocate::relocate): Likewise.
6962         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6963         Likewise.
6964
6965 2010-01-26  Doug Kwan  <dougkwan@google.com>
6966
6967         * arm.cc (set): Include.
6968         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6969         pointer type.
6970         (Arm_output_section::Text_section_list): New type.
6971         (Arm_output_section::append_text_sections_to_list): New method.
6972         (Arm_output_section::fix_exidx_coverage): Ditto.
6973         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6974         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6975         Relobj::set_section_offset() instead of
6976         Sized_relobj::invalidate_section_offset().
6977         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6978         parameter for section headers. Ignore relocation sections for
6979         unallocated sections and EXIDX sections.
6980         (Target_arm::fix_exidx_coverage): New method.
6981         (Target_arm::output_section_address_less_than): New type.
6982         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6983         linked text section instead of the EXIDX section.
6984         (Arm_output_section::create_stub_group): Add an assertion to check
6985         that this is not an EXIDX output section.
6986         (Arm_output_section::append_text_sections_to_list): New method.
6987         (Arm_output_section::fix_exidx_coverage): Ditto.
6988         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6989         Arm_relobj::section_needs_reloc_stub_scanning.
6990         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6991         first pass.
6992         (Target_arm::fix_exidx_coverage): New method.
6993         * object.h (Relobj::set_output_section): New method.
6994         (Sized_relobj::invalidate_section_offset): Remove method.
6995         (Sized_relobj::do_invalidate_section_offset): Remove method.
6996         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6997
6998 2010-01-25  Doug Kwan  <dougkwan@google.com>
6999
7000         * arm.cc (Arm_exidx_merged_section::do_output_offset):
7001         Fix warning due to signed and unsigned comparison on a 32-bit host.
7002
7003 2010-01-22  Doug Kwan  <dougkwan@google.com>
7004
7005         * arm.cc (Target_arm::do_relax): Record an output section for section
7006         offset adjustment it contains any stub table that has changed.
7007         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
7008         offsets in an output section if necessary.
7009         * output.cc (Output_section::Output_section): Initialize
7010         section_offsets_need_adjustments_.
7011         (Output_section::add_input_section_for_script): Renamed to
7012         Output_section::add_simple_input_section.
7013         (Output_section::save_states): Add a comment.
7014         (Output_section::discard_states): New method defintion.
7015         (Output_section::adjust_section_offsets): Same.
7016         * output.h (Output_section::add_input_section_for_script): Renamed to
7017         Output_section::add_simple_input_section.
7018         (Output_section::discard_states): New method declaration.
7019         (Output_section::adjust_section_offsets): Same.
7020         (Output_section::section_offsets_need_adjustment,
7021         Output_section::set_section_offsets_need_adjustment): New method
7022         definitions.
7023         (Output_section::section_offsets_need_adjustment_): New data member.
7024         * script-sections.cc
7025         (Output_section_element_input::set_section_address): Adjust code for
7026         renaming of Output_section::add_input_section_for_script.
7027         (Orphan_output_section::set_section_address): Same.
7028
7029 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7030
7031         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
7032         Fix_v4bx enum values .
7033         * gold/options.h (General_options): New option definitions.
7034         (General_options::fix_v4bx): New method.
7035         (General_options::Fix_v4bx): New enum.
7036         * gold/options.cc (General_options::parse_fix_v4bx): New method.
7037         (General_options::parse_fix_v4bx_interworking): New method.
7038
7039 2010-01-22  Doug Kwan  <dougkwan@google.com>
7040
7041         * arm.cc (Arm_exidx_fixup): New class.
7042
7043 2010-01-21  Doug Kwan  <dougkwan@google.com>
7044
7045         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
7046         classes.
7047         (Arm_exidx_section_offset_map): New type.
7048
7049 2010-01-21  Doug Kwan  <dougkwan@google.com>
7050
7051         * arm.cc (Arm_exidx_input_section): New class.
7052         (Arm_relobj::exidx_input_section_by_link,
7053         Arm_relobj::exidx_input_section_by_shndx,
7054         Arm_relobj::make_exidx_input_section): New methods.
7055         (read_arm_attributes_section): Remove.
7056         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
7057         information about them.
7058         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
7059         to here.
7060
7061 2010-01-20  Doug Kwan  <dougkwan@google.com>
7062
7063         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
7064         Input_section_specifier to Section_id.
7065         (Target_arm::new_arm_input_section: Adjust code for change of key
7066         type.
7067         (Target_arm::find_arm_input_section): Ditto.
7068         * gc.h (object.h): Include for Section_id nand Section_id_hash.
7069         (Section_id): Remove.
7070         (Garbage_collection::Section_id_hash): Remove.
7071         * icf.h (object.h): Include for Section_id nand Section_id_hash.
7072         (Section_id): Remove.
7073         (Icf::Section_id_hash): Remove.
7074         * object.h (Section_id, Const_section_id, Section_id_hash,
7075         Const_section_id_hash): New type definitions.
7076         * output.cc (Output_section::add_relaxed_input_section): Change to
7077         use Const_section_id instead of Input_section_specifier as key type.
7078         (Output_section::add_merge_input_section): Ditto.
7079         (Output_section::build_relaxation_map): Change to use Section_id
7080         instead of Input_section_specifier as key type.
7081         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7082         Ditto.
7083         (Output_section::convert_input_sections_to_relaxed_sections): Change
7084         to use Const_section_id instead of Input_section_specifier as key type.
7085         (Output_section::find_merge_section): Ditto.
7086         (Output_section::find_relaxed_input_section): Ditto.
7087         * output.h (Input_section_specifier): Remove class.
7088         (Output_section::Output_section_data_by_input_section_map): Change
7089         key type to Const_section_id.
7090         (Output_section::Output_relaxed_input_section_by_input_section_map):
7091         Ditto.
7092         (Output_section::Relaxation_map): Change key type to Section_id.
7093
7094 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7095
7096         * gold/arm.cc: Added support for R_ARM_V4BX relocation
7097         (class Arm_v4bx_stub): New class.
7098         (DEF_STUBS): Updated definition to support v4_veneer_bx.
7099         (Stub_factory::make_arm_v4bx_stub): New method.
7100         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
7101         (Stub_table::empty): Handle v4bx stubs.
7102         (Stub_table::add_arm_v4bx_stub): New method.
7103         (Stub_table::find_arm_v4bx_stub): New method.
7104         (Arm_relocate_functions::v4bx): New method.
7105         (Target_arm::fix_v4bx): New method.
7106         (Target_arm::Target_arm): Handle R_ARM_V4BX.
7107         (Stub_table::relocate_stubs): Likewise.
7108         (Stub_table::do_write): Likewise.
7109         (Stub_table::update_data_size_and_addralign): Likewise.
7110         (Stub_table::finalize_stubs):  Likewise.
7111         (Target_arm::Scan::local): Likewise.
7112         (Target_arm::Scan::global): Likewise.
7113         (Target_arm::do_finalize_sections): Likewise.
7114         (Target_arm::Relocate::relocate): Likewise.
7115         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7116         Likewise.
7117         (Target_arm::scan_reloc_for_stub): Likewise.
7118         (Target_arm::scan_reloc_section_for_stubs): Likewise.
7119
7120 2010-01-19  Ian Lance Taylor  <iant@google.com>
7121
7122         * output.cc (Output_section_headers::do_sized_write): Write large
7123         segment count to sh_info field.
7124         (Output_file_header::do_sized_write): For large segment count,
7125         write PN_XNUM to e_phnum field.
7126
7127 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7128
7129         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
7130         (Arm_relocate_functions::thm_jump8): New function.
7131         (Arm_relocate_functions::thm_jump11): New function.
7132         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
7133         R_ARM_THM_JUMP11.
7134         (Target_arm::Scan::global): Likewise.
7135         (Target_arm::Relocate::relocate): Likewise.
7136         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7137         Likewise.
7138
7139 2010-01-14  Doug Kwan  <dougkwan@google.com>
7140
7141         * arm.cc (map, utility): Include headers.
7142         (Target_arm::apply_cortex_a8_workaround): New method.
7143         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
7144         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
7145         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
7146         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
7147         the --[no-]fix-cortex-a8 command line options.
7148         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
7149         (Target_arm::relocate_stub): Use addend in instruction template.
7150         * options.h (DEFINE_bool): Set the user-set flag.
7151         (General_options): Add --[no-]-fix-cortex options.
7152         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
7153         : Update fast look-up map after conversion.
7154
7155 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
7156
7157         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
7158         in the first pass of do_layout.
7159
7160 2010-01-13  Doug Kwan  <dougkwan@google.com>
7161
7162         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7163         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
7164         apparent compiler problem of not folding static constant integral
7165         data members of elfcpp::Elf_sizes<32>.
7166
7167 2010-01-13  Doug Kwan  <dougkwan@google.com>
7168
7169         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7170         Arm_relobj::section_needs_cortex_a8_stub_scanning,
7171         Arm_relobj::scan_section_for_cortex_a8_erratum,
7172         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
7173         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
7174         sections to scan for relocation stubs into a new method
7175         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
7176         relocation and Cortex-A8 stub scanning.
7177         (Target_arm::do_relax): Force stubs to be after stubbed sections
7178         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
7179         the beginning of a new relaxation pass.  Update a comment.
7180         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
7181
7182 2010-01-12  Ian Lance Taylor  <iant@google.com>
7183
7184         * target-reloc.h (visibility_error): New inline function.
7185         (relocate_section): Call visibility_error.
7186         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
7187         (MOSTLYCLEANFILES): Likewise.
7188         (protected_4_pic.o, protected_3.err): New targets.
7189         * testsuite/protected_4.cc: New file.
7190
7191 2010-01-12  Doug Kwan  <dougkwan@google.com>
7192
7193         * arm.cc (Cortex_a8_reloc): New class.
7194         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
7195         and cortex_a8_relocs_info_.
7196         (Target_arm::fix_cortex_a8): New method definition.
7197         (Target_arm::Cortex_a8_relocs_info): New type.
7198         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
7199         New data member declarations.
7200         (Target_arm::scan_reloc_for_stub): Record information about
7201         relocations for THUMB branches that might be exempted from the
7202         Cortex-A8 workaround.
7203         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
7204         at the beginning of a relaxation pass.
7205
7206 2010-01-12  Doug Kwan  <dougkwan@google.com>
7207
7208         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
7209         (Arm_relobj::Mapping_symbol_position,
7210          Arm_reloj::Mapping_symbol_position_less,
7211          Arm_relobj::Mapping_symbols_info): New types.
7212         (Target_arm::is_mapping_symbol_name): New method definition.
7213         (Arm_relobj::do_count_local_symbols): Save information about mapping
7214         symbols.
7215
7216 2010-01-11  Doug Kwan  <dougkwan@google.com>
7217
7218         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
7219         Arm_relocate_functions::thumb32_branch_upper,
7220         Arm_relocate_functions::thumb32_branch_lower,
7221         Arm_relocate_functions::thumb32_cond_branch_offset,
7222         Arm_relocate_functions::thumb32_cond_branch_upper,
7223         Arm_relocate_functions::thumb32_cond_branch_lower,
7224         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
7225         branch offset encoding.
7226         (Arm_relocate_functions::thumb_branch_common): Use new branch
7227         offset encoding methods to avoid code duplication.
7228         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
7229         (Stub_addend_reader::operator()): Use new branch encoding method
7230         to avoid code duplication.
7231
7232 2010-01-11  Doug Kwan  <dougkwan@google.com>
7233
7234         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
7235         (Target_arm::do_finalize_sections): Define special EXIDX section
7236         symbols only if referenced.
7237         * gc.h (Garbage_collection::add_reference): New method.
7238         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
7239         code duplication.
7240
7241 2010-01-11  Ian Lance Taylor  <iant@google.com>
7242
7243         * script.cc (Version_script_info::build_expression_list_lookup):
7244         Change complaing about duplicate wildcard match from error to
7245         warning.
7246
7247         * script.cc (class Lazy_demangler): Recreate--revert part of patch
7248         of 2009-12-30.
7249         (Version_script_info::Version_script_info): Initialize globs_,
7250         default_version_, default_is_global_, and exact_.  Don't
7251         initialize globals_ or locals_.
7252         (Version_script_info::build_lookup_tables): Build local symbols
7253         first.
7254         (Version_script_info::unquote): New function.
7255         (Version_script_info::add_exact_match): New function.
7256         (Version_script_info::build_expression_list_lookup): Remove lookup
7257         parameter.  Add is_global parameter.  Change all callers.  Handle
7258         wildcard pattern specially.  Unquote pattern.  Call
7259         add_exact_match.
7260         (Version_script_info::get_name_to_match): New function.
7261         (Version_script_info::get_symbol_version): New function.
7262         (Version_script_info::get_symbol_version_helper): Remove.
7263         (Version_script_info::check_unmatched_names): Call unquote.
7264         * script.h (class Version_script_info): Change get_symbol_version
7265         to be non-inline and add is_global parameter; change all callers.
7266         Rewrite symbol_is_local.  Update declarations.  Define struct
7267         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
7268         Remove globals_ and locals_ members.  Add exact_, globs_,
7269         default_version_, is_global_.
7270         (Version_script_info::Glob): Remove pattern, add expression and
7271         is_global.  Update constructor.  Change all callers.
7272         * dynobj.cc (Versions::finalize): Mark the version symbol as the
7273         default version.
7274         (Versions::symbol_section_contents): If a symbol is undefined, or
7275         defined in a dynamic object, set the version index to
7276         VER_NDX_LOCAL.
7277         * symtab.cc (Symbol_table::add_from_relobj): Don't call
7278         symbol_is_local.
7279         (Symbol_table::add_from_pluginobj): Likewise.
7280         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
7281
7282 2010-01-11  Doug Kwan  <dougkwan@google.com>
7283
7284         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
7285         (incremental_dump_LDADD): Add linking option for libintl.
7286         * Makefile.in: Regenerate.
7287
7288 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
7289
7290         PR gold/11144
7291         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
7292         instead of -Ds.
7293         * testsuite/Makefile.in: Regenerated.
7294
7295 2010-01-10  Doug Kwan  <dougkwan@google.com>
7296
7297         * options.h (DEFINE_var): Use parentheses around argument varname__
7298         in macro body to avoid any unintended subsequent substitutions.
7299
7300 2010-01-10  Ian Lance Taylor  <iant@google.com>
7301
7302         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
7303         candidates before doing symbol resolution.
7304
7305         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7306         ODR candidates if only one is weak.
7307
7308 2010-01-08  Ian Lance Taylor  <iant@google.com>
7309
7310         * script.cc (Version_script_info::build_expression_list_lookup):
7311         Don't warn about ambiguous version, just record the ambiguity.
7312         (Version_script_info::get_symbol_version_helper): Give error if
7313         version is ambiguous.
7314
7315 2010-01-08  Doug Kwan  <dougkwan@google.com>
7316
7317         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
7318         prev_data_size_ and prev_addralign_.  Remove initializer for
7319         deleted data member has_been_changed_.
7320         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
7321         to determine if the table is empty.
7322         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
7323         Remove.
7324         (Stub_table::add_reloc_stub): Define method in class definition
7325         instead of just declaring it there.
7326         (Stub_table::add_cortex_a8_stub): New method definition.
7327         (Stub_table::update_data_size_and_addralign): Ditto.
7328         (Stub_table::finalize_stubs): Ditto.
7329         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7330         (Stub_table::do_addralign_): Return address alignment in the
7331         (Stub_table::do_reset_address_and_file_offset): Define method in
7332         class definition instead of declaring it there.  Set current data
7333         size to be the data size of the previous pass.
7334         (Stub_table::set_final_data_size): Use current data size as the
7335         final data size.
7336         (Stub_table::relocate_stub): Change parameter type of stub from
7337         Reloc_stub pointer to Stub pointer.
7338         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7339         (Stub_table::Cortex_a8_stub_list): New typedef.
7340         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7341          Stub_table::prev_addralign_): New data member.
7342         (Arm_relobj::Arm_relobj): Initialize data member
7343         section_has_cortex_a8_workaround_.
7344         (Arm_relobj::section_has_cortex_a8_workaround,
7345          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7346          definitions.
7347         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7348         declarations.
7349         (Target_arm::relocate_stub): Change parameter type of stub from
7350         Reloc_stub pointer to Stub pointer.
7351         (Insn_template::size, Insn_template::alignment): Handle
7352         THUMB16_SPECIAL_TYPE.
7353         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7354          Stub_table::update_data_size_and_addralign,
7355          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7356         definitions.
7357         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7358         (Stub_table::do_write): Ditto.
7359         (Target_arm::do_relax): Adjust code for changes in Stub_table.
7360
7361 2010-01-08  Ian Lance Taylor  <iant@google.com>
7362
7363         PR 11108
7364         * symtab.h (class Symbol): Remove fields is_target_special_ and
7365         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7366         (Symbol::is_defined_in_discarded_section): New function.
7367         (Symbol::set_is_defined_in_discarded_section): New function.
7368         (Symbol::has_plt_offset): Rewrite.
7369         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7370         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7371         Don't initialize is_target_special_ or has_plt_offset_.
7372         Initialize is_defined_in_discarded_section_.
7373         (Symbol_table::add_from_relobj): If appropriate, set
7374         is_defined_in_discarded_section.
7375         * resolve.cc (Symbol::override_base_with_special): Don't test
7376         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7377         * target-reloc.h (relocate_section): Do special handling for
7378         symbols defined in discarded sections for global symbols as well
7379         as local symbols.
7380
7381 2010-01-08  Ian Lance Taylor  <iant@google.com>
7382
7383         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7384         the SHT_SYMTAB case.
7385
7386 2010-01-08  Ian Lance Taylor  <iant@google.com>
7387
7388         * object.cc (Sized_relobj::do_layout): Don't get confused if
7389         layout_eh_frame returns NULL.
7390
7391 2010-01-08  Ian Lance Taylor  <iant@google.com>
7392
7393         PR 11084
7394         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7395         dynamic symbol table, use the normal symbol table.
7396         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7397         symbol table.
7398
7399 2010-01-08  Ian Lance Taylor  <iant@google.com>
7400
7401         PR 11072
7402         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7403         sections.
7404
7405 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7406
7407         * version.cc (print_version): Change to "Copyright 2010".
7408
7409 2010-01-08  Ian Lance Taylor  <iant@google.com>
7410
7411         PR 10287
7412         PR 11063
7413         * i386.cc (class Target_i386): Change return type of plt_section
7414         to be non-const.
7415         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7416         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7417         tls_desc_rel_ field.
7418         (Output_data_plt_i386::rel_tls_desc): New function.
7419         (Target_i386::rel_tls_desc_section): New function.
7420         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7421         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7422         R_386_TLS_DESC reloc in rel_tls_desc_section.
7423         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7424         Define struct Tlsdesc_info.
7425         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7426         (Target_x86_64::do_reloc_symbol_index): New function.
7427         (Target_x86_64::add_tlsdesc_info): New function.
7428         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7429         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7430         tlsdesc_rel_ field.
7431         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7432         all callers.
7433         (Output_data_plt_x86_64::rela_tlsdesc): New function.
7434         (Target_x86_64::rela_tlsdesc_section): New function.
7435         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
7436         handling.
7437         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
7438         (Target_x86_64::do_reloc_addend): New function.
7439         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
7440         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
7441         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
7442         (Output_reloc::type): New function.
7443         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
7444         (Output_reloc::is_target_specific): New function.
7445         (Output_reloc::target_arg): New function.
7446         (class Output_reloc) [SHT_RELA]: Add four new constructors for
7447         absolute relocs and target specific relocs.
7448         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
7449         add_target_specific.
7450         (class Output_data_reloc) [SHT_RELA]: Likewise.
7451         * output.cc (Output_reloc::Output_reloc): Add four new versions
7452         for absolute relocs and target specific relocs.
7453         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
7454         (Output_reloc::get_symbol_index): Likewise.
7455         (Output_reloc::local_section_offset): Check that local_sym_index_
7456         is not TARGET_CODE or 0.
7457         (Output_reloc::symbol_value): Likewise.
7458         (Output_reloc::write) [SHT_RELA]: Call target for target specific
7459         reloc.
7460         * target.h (class Target): Add reloc_symbol_index and reloc_addend
7461         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
7462         functions.
7463         * layout.cc (add_target_dynamic_tags): Use output section for
7464         DT_PLTRELSZ and DT_JMPREL.
7465
7466 2010-01-07  Ian Lance Taylor  <iant@google.com>
7467
7468         PR 11061
7469         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
7470         function.
7471         (class Output_data_reloc_generic): Define.
7472         (class Output_data_reloc_base): Change base class to
7473         Output_data_reloc_generic.  Change add() method to call
7474         bump_relative_reloc_count for a relative reloc.  Remove
7475         sort_relocs_ field.
7476         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
7477         to sort_relocs().
7478         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
7479         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
7480         appropriate.
7481         * layout.h (class Layout): Update declaration.
7482
7483 2010-01-07  Ian Lance Taylor  <iant@google.com>
7484
7485         * output.h (class Output_data): Add const version of
7486         output_section and do_output_section.
7487         (class Output_section_data): Add const version of
7488         do_output_section.
7489         (class Output_section): Likewise.
7490         * layout.cc (Layout::add_target_dynamic_tags): New function.
7491         * layout.h (class Layout): Update declarations.
7492         * arm.cc (Target_arm::do_finalize_sections): Use
7493         add_target_dynamic_tags.
7494         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7495         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7496         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7497         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7498
7499 2010-01-07  Ian Lance Taylor  <iant@google.com>
7500
7501         PR 11042
7502         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
7503         object as needed.
7504
7505 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7506             Ian Lance Taylor  <iant@google.com>
7507
7508         PR 11019
7509         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
7510         Xindex::read_symtab_xindex.
7511
7512 2010-01-07  Doug Kwan  <dougkwan@google.com>
7513
7514         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
7515         (Insn_template::thumb16_bcond_insn): New method declaration.
7516         (Insn_template): Fix spelling.
7517         (Stub::thumb16_special): New method declaration.
7518         (Stub::do_write): Define virtual method which was previously pure
7519         virtual.
7520         (Stub::do_thumb16_special): New method declaration.
7521         (Stub::do_fixed_endian_write): New template member.
7522         (Reloc_stub::do_write): Remove.
7523         (Reloc_stub::do_fixed_endian_write): Remove.
7524         (Cortex_a8_stub): New class definition.
7525         (Stub_factory::make_cortex_a8_stub): New method definition.
7526         (Stub_factory::Stub_factory): Add missing static storage class
7527         qualifier for elf32_arm_stub_a8_veneer_blx.
7528
7529 2010-01-07  Ian Lance Taylor  <iant@google.com>
7530
7531         PR 10980
7532         * options.h (class General_options): Add --warn-unresolved-symbols
7533         and --error-unresolved-symbols.
7534         * errors.cc (Errors::undefined_symbol): Implement
7535         --warn-unresolved-symbols.
7536
7537         * options.h (class General_options): Add -z text and -z textoff.
7538         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
7539
7540 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
7541
7542         * gc.h (Garbage_collection::Cident_section_map): New typedef.
7543         (Garbage_collection::cident_sections): New function.
7544         (Garbage_collection::add_cident_section): New function.
7545         (Garbage_collection::cident_sections_): New member.
7546         (gc_process_relocs): Add references to sections whose names are C
7547         identifiers.
7548         * gold.h (cident_section_start_prefix): New constant.
7549         (cident_section_stop_prefix): New constant.
7550         (is_cident): New function.
7551         * layout.cc (Layout::define_section_symbols): Replace string constants
7552         with the newly defined constants.
7553         * object.cc (Sized_relobj::do_layout): Track sections whose names are
7554         C identifiers.
7555         * testsuite/Makefile.am: Add gc_orphan_section_test.
7556         * testsuite/Makefile.in: Regenerate.
7557         * testsuite/gc_orphan_section_test.cc: New file.
7558         * testsuite/gc_orphan_section_test.sh: New file.
7559
7560 2010-01-06  Ian Lance Taylor  <iant@google.com>
7561
7562         PR 10980
7563         * options.h (class General_options): Add --warn-shared-textrel.
7564         * layout.cc (Layout::finish_dynamic_section): Implement
7565         --warn-shared-textrel.
7566
7567         PR 10980
7568         * options.h (class General_options): Add --warn-multiple-gp.
7569
7570 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7571
7572         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
7573         $(THREADSLIB) and $(LIBDL).
7574         * Makefile.in: Rebuild.
7575
7576 2010-01-06  Ian Lance Taylor  <iant@google.com>
7577
7578         PR 10980
7579         * options.cc (General_options::parse_section_start): New function.
7580         (General_options::section_start): New function.
7581         (General_options::General_options): Initialize all members.
7582         * options.h: Include <map>
7583         (class General_options): Add --section-start.  Add section_starts_
7584         member.
7585         * layout.cc (Layout::attach_allocated_section_to_segment): If
7586         --section-start was used, set the address of the segment.  Remove
7587         local sort_sections.
7588         (Layout::relaxation_loop_body): If the address of the load segment
7589         has been set by --section-start, don't use it.
7590         * output.h (Output_segment::update_flags_for_output_section): New
7591         function.
7592         * output.cc (Output_segment::add_output_section): Call
7593         update_flags_for_output_section.
7594
7595 2010-01-05  Ian Lance Taylor  <iant@google.com>
7596
7597         PR 10980
7598         * options.h (class General_options): Add --undefined-version.
7599         * script.cc (struct Version_expression): Add was_matched_by_symbol
7600         field.
7601         (Version_script_info::matched_symbol): New function.
7602         (Version_script_info::get_symbol_version_helper): Call
7603         matched_symbol.
7604         (Version_script_info::check_unmatched_names): New function.
7605         * script.h (class Version_script_info): Update declarations.
7606         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
7607
7608         * options.h (class General_options): Use DEFINE_bool_alias for
7609         allow_multiple_definition.
7610         * resolve.cc (Symbol_table::should_override): Don't test
7611         allow_multiple_definition.
7612
7613         PR 10980
7614         * options.h (class General_options): Add --cref.
7615         * main.cc (main): Print cref table if --cref.  Don't close mapfile
7616         until after printing cref table.
7617         * cref.cc: Include "symtab.h".
7618         (class Cref_inputs): Define Cref_table_compare and Cref_table.
7619         (Cref_table_compare::operator()): New function.
7620         (Cref_inputs::gather_cref): New function.
7621         (filecol): New static const.
7622         (Cref_inputs::print_cref): New function.
7623         (Cref::print_cref): New function.
7624         * cref.h: Include <cstdio>.
7625         (class Cref): Update declarations.
7626         * mapfile.h (Mapfile::file): New function.
7627         * object.h (class Object): Define Symbols.  Declare virtual
7628         do_get_global_symbols.
7629         (Object::get_global_symbols): New function.
7630         * object.cc (Input_objects::add_object): Pass object to cref_ if
7631         --cref.
7632         (Input_objects::archive_start): Likewise.
7633         (Input_objects::archive_stop): Likewise.
7634         (Input_objects::print_cref): New function.
7635         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
7636         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
7637         --cref.
7638         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
7639         function.
7640         * plugin.h (class Sized_pluginobj): Update declarations.
7641
7642 2010-01-05  Ian Lance Taylor  <iant@google.com>
7643
7644         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
7645         to is_default_version.  Rename insdef to insdefault.
7646         (Symbol_table::add_from_relobj): Rename def to is_default_version
7647         and local to is_forced_local.
7648         (Symbol_table::add_from_pluginobj): Likewise.
7649         (Symbol_table::add_from_dynobj): Likewise.
7650         (Symbol_table::define_special_symbol): Rename insdef to
7651         insdefault.
7652
7653 2010-01-04  Ian Lance Taylor  <iant@google.com>
7654
7655         PR 10980
7656         * options.h (class General_options): Add
7657         --allow-multiple-definition and -z muldefs.
7658         * resolve.cc (Symbol_table::should_override): Don't warn about a
7659         multiple symbol definition if --allow-multiple-definition or -z
7660         muldefs.
7661
7662         PR 10980
7663         * options.h (class General_options): Add --add-needed and
7664         --copy-dt-needed-entries.  Tweak --as-needed help entry.
7665         * object.cc (Input_objects::check_dynamic_dependencies): Give an
7666         error if --copy-dt-needed-entries aka --add-needed is used and
7667         would cause a change in behaviour.
7668
7669         PR 10980
7670         * options.h (class General_options): Add -G as a short version of
7671         --shared.  Add no-op options -assert, -g, and -i.
7672
7673 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
7674
7675         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
7676         check for .text or .gnu.linkonce.t sections.
7677         * icf.cc (Icf::find_identical_sections): Ditto.
7678         Change the detection for mangled function name within the section
7679         name.
7680         * icf.h (is_section_foldable_candidate): New function.
7681
7682 2009-12-30  Ian Lance Taylor  <iant@google.com>
7683
7684         PR 10980
7685         * options.h (class General_options): Permit two dashes with
7686         --retain-symbols-file.
7687
7688 2009-12-30  Ian Lance Taylor  <iant@google.com>
7689
7690         PR 10979
7691         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
7692         don't put the file header and segment headers in the text
7693         segment.
7694
7695         PR 10979
7696         * common.cc (Sort_commons::operator()): Stabilize sort when both
7697         entries are NULL.
7698         (Symbol_table::do_allocate_commons_list): When allocating common
7699         symbols, skip a symbol which is no longer common.
7700         * symtab.h (Symbol::is_common): Test whether the symbol comes from
7701         an object before checking its type.
7702         * testsuite/common_test_2.c: New file.
7703         * testsuite/common_test_3.c: New file.
7704         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
7705         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
7706         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
7707         (common_test_2_pic.o, common_test_2.so): New targets.
7708         (common_test_3_pic.o, common_test_3.so): New targets.
7709         * testsuite/Makefile.in: Rebuild.
7710
7711         PR 10979
7712         * script.cc (read_input_script): If we see a new SECTIONS clause,
7713         and we have added an input section, give an error.
7714         * layout.h (class Layout): Add have_added_input_section function.
7715         Add have_added_input_section_ field.
7716         * layout.cc (Layout::Layout): Initialize
7717         have_added_input_section_.
7718         (Layout::layout): Set have_added_input_section_.
7719         (Layout::layout_eh_frame): Likewise.
7720
7721 2009-12-30  Ian Lance Taylor  <iant@google.com>
7722
7723         PR 10931
7724         * options.h (class General_options): Add --sort-common option.
7725         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
7726         * common.cc (Sort_common): Add sort_order parameter to
7727         constructor.  Add sort_order_ field.
7728         (Sort_commons::operator): Check sort_order_.
7729         (Symbol_table::allocate_commons): Determine the sort order.
7730         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7731         Change all callers.
7732         (Symbol_table::do_allocate_commons_list): Likewise.
7733
7734 2009-12-30  Ian Lance Taylor  <iant@google.com>
7735
7736         PR 10916
7737         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7738         symbols from this object, don't change the visibility of an
7739         undefined symbol.
7740         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7741
7742 2009-12-30  Ian Lance Taylor  <iant@google.com>
7743
7744         PR 10861
7745         * script.h (class Version_script_info): Define Language enum.
7746         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7747         new fields globals_, locals_, and is_finalized_.
7748         * script.cc: Various formatting fixes.
7749         (class Parser_closure): Change language_stack_ from a vector of
7750         std::string to one of Version_script_info::Language.  Adjust all
7751         uses accordingly.
7752         (class Lazy_demangler): Remove.
7753         (struct Version_expression): Change language from std::string to
7754         Version_script_info::Language.
7755         (Version_script_info::Version_script_info): New function.
7756         (Version_script_info::~Version_script_info): Don't call clear.
7757         (Version_script_info::finalize): New function.
7758         (Version_script_info::build_lookup_tables): New function.
7759         (Version_script_info::build_expression_list_lookup): New
7760         function.
7761         (Version_script_info::get_symbol_version_helper): Rewrite to use
7762         lookup tables.
7763         (Version_script_info::print_expression_list): Adjust to use
7764         Version_script_info::Language.
7765         (script_push_lex_into_version_mode): Check that the version script
7766         has not been finalized.
7767         (version_script_push_lang): Change language string to
7768         Version_script_info::Language.
7769         * options.cc (Command_line::version_script): New function.
7770         * options.h (class General_options): Add finalize_dynamic_list
7771         function.  Change version_script from declaration to definition.
7772         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7773         * testsuite/version_script.map: Remove duplicate def of foo.
7774         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7775         version_script.map.
7776         * testsuite/Makefile.in: Rebuild.
7777
7778 2009-12-30  Ian Lance Taylor  <iant@google.com>
7779
7780         PR 10843
7781         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7782         if the input symbol index is 0, make the output symbol index 0.
7783
7784 2009-12-30  Ian Lance Taylor  <iant@google.com>
7785
7786         PR 10670
7787         * options.h (class General_options): Add -x/--discard-all.
7788         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7789         --discard-all.  If the local symbol needs a dynamic entry, check
7790         that before handling --discard-locals.
7791
7792 2009-12-30  Ian Lance Taylor  <iant@google.com>
7793
7794         PR 10450
7795         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7796         flags to PF_R.
7797         (Output_segment::add_output_section): Don't change the flags if
7798         the type is PT_TLS.
7799
7800         PR 10450
7801         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7802         GNU hash table if they need a dynamic value.  Otherwise, don't add
7803         them if they are defined in a dynamic object or are forced local.
7804
7805 2009-12-29  Ian Lance Taylor  <iant@google.com>
7806
7807         PR 10450
7808         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7809         .gnu.hash table for a 32-bit target.
7810
7811         PR 10450
7812         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7813         regular and a dynamic object only needs a dynamic symbol table
7814         entry if it is externally visible.
7815
7816         PR 10450
7817         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7818         constructor.  Add global_offset_table_ field.
7819         (Target_i386::got_section): Set global_offset_table_.
7820         (Target_i386::do_finalize_sections): Set global_offset_table_
7821         size.
7822         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7823         in constructor.  Add global_offset_table_ field.
7824         (Target_x86_64::got_section): Set global_offset_table_.
7825         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7826         size.
7827
7828         * layout.cc (Layout::Layout): Initialize increase_relro_.
7829         (Layout::get_output_section): Add is_relro, is_last_relro, and
7830         is_first_non_relro parameters.  Change all callers.
7831         (Layout::choose_output_section): Likewise.
7832         (Layout::add_output_section_data): Likewise.
7833         (Layout::make_output_section): Likewise.
7834         (Layout::set_segment_offsets): Clear increase_relro when using a
7835         linker script.
7836         * layout.h (class Layout): Add increase_relro method.  Add
7837         increase_relro_ field.  Update declarations.
7838         * output.cc (Output_section::Output_section): Initialize
7839         is_last_relro_ and is_first_non_relro_.
7840         (Output_segment::add_output_section): Group relro sections is
7841         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7842         (Output_segment::maximum_alignment): Remove relro handling.
7843         (Output_segment::set_section_addresses): Add increase_relro
7844         parameter.  Change all callers.  Add initial alignment to align
7845         relro sections on separate page.  Remove old relro handling.
7846         (Output_segment::set_section_list_addresses): Remove in_relro
7847         parameter.  Change all callers.
7848         (Output_segment::set_offset): Add increase parameter.  Change all
7849         callers.  Remove old relro handling.
7850         * output.h (class Output_section): Add new methods: is_last_relro,
7851         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7852         Add is_last_relro_ and is_first_non_relro_ fields.
7853         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7854         Create separate .got.plt section.  Call increase_relro.
7855         * x86_64.cc (Target_x86_64::got_section): Likewise.
7856         * testsuite/relro_script_test.t: Add .got.plt.
7857
7858         PR 10450
7859         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7860         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7861         (Layout::finalize): Call set_dynamic_symbol_size.
7862         (Layout::set_dynamic_symbol_size): New function.
7863         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7864         set_dynamic_symbol_size.
7865
7866         PR 10450
7867         * output.h (class Output_section): Add is_entsize_zero_ field.
7868         * output.cc (Output_section::Output_section): Initialize
7869         is_entsize_zero_.
7870         (Output_section::set_entsize): If two different entsizes are
7871         requested, force it to zero.
7872         (Output_section::add_input_section): Set flags for .debug_str
7873         before updating section flags.  Set entsize.
7874         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7875         and SHF_STRING if all input sections have those flags.
7876
7877 2009-12-29   Rafael Espindola  <espindola@google.com>
7878
7879         * main.cc (main): Fix the sys time reporting.
7880         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7881         reporting.
7882
7883 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7884
7885         * options.cc (General_options::parse_version): Allow -v to exit
7886         without an error if there is nothing to link.
7887
7888 2009-12-29  Ian Lance Taylor  <iant@google.com>
7889
7890         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7891         using a version of gcc before 4.1.
7892         * configure: Rebuild.
7893
7894 2009-12-28  Chris Demetriou  <cgd@google.com>
7895
7896         * attributes.cc (Output_attributes_section_data::do_write): Use
7897         std::vector::front rather than std::vector::data.
7898
7899 2009-12-28  Ian Lance Taylor  <iant@google.com>
7900
7901         * symtab.h (class Symbol_table): Add enum Defined.
7902         * resolve.cc (Symbol_table::should_override): Add defined
7903         parameter.  Change all callers.  Test whether object is NULL
7904         before calling a method on it.
7905         (Symbol_table::report_resolve_problem): Add defined parameter.
7906         Change all callers.
7907         (Symbol_table::should_override_with_special): Likewise.
7908         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7909         parameter.  Change all callers.
7910         (Symbol_table::do_define_in_output_data): Likewise.
7911         (Symbol_table::define_in_output_segment): Likewise.
7912         (Symbol_table::do_define_in_output_segment): Likewise.
7913         (Symbol_table::define_as_constant): Likewise.
7914         (Symbol_table::do_define_as_constant): Likewise.
7915         * script.h (class Symbol_assignment): Add is_defsym parameter to
7916         constructor; change all callers.
7917         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7918         parameter.  Change all callers.  Add is_defsym_ field.
7919         (class Parser_closure): Add parsing_defsym parameter to
7920         constructor; change all callers.  Add parsing_defsym accessor
7921         function.  Add parsing_defsym_ field.
7922
7923 2009-12-28  Ian Lance Taylor  <iant@google.com>
7924
7925         * gold.cc (queue_middle_tasks): Fix formatting.
7926         * object.cc (Relobj::is_section_name_included): Likewise.
7927
7928 2009-12-23  Ian Lance Taylor  <iant@google.com>
7929
7930         * i386.cc (Target_i386::do_calls_non_split): Recognize
7931         -fsplit-stack prologue for a function with a static chain.
7932         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7933         -fsplit-stack prologue when using %r11.
7934
7935 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7936
7937         * options.cc (General_options::parse_version): Make -v continue and do
7938         the link like GNU ld does.
7939
7940 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7941
7942         * Makefile.am (CCFILES): Add timer.cc.
7943         (HFILES): Add timer.h.
7944         * configure.ac: Check for sysconf and times.
7945         * main.cc: include timer.h.
7946         (main): Use Timer instead of get_run_time.
7947         * timer.cc: New.
7948         * timer.h: New.
7949         * workqueue.cc: include timer.h.
7950         (Workqueue::find_and_run_task):
7951         Report user, sys and wall time.
7952         * Makefile.in: Regenerate.
7953         * config.in: Regenerate.
7954         * configure: Regenerate.
7955
7956 2009-12-16  Doug Kwan  <dougkwan@google.com>
7957
7958         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7959         sections.
7960         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7961         relaxed input sections.
7962         * output.cc (Output_section::find_relaxed_input_section): Change
7963         return type to Output_relaxed_input_section pointer.  Adjust code
7964         for new type of relaxed_input_section_map_.
7965         * output.h (Output_section::find_relaxed_input_section): Change
7966         return type to Output_relaxed_input_section pointer.
7967         (Output_section::Output_relaxed_input_section_by_input_section_map):
7968         New type.
7969         (Output_section::relaxed_input_section_map_): Change type to
7970         Output_section::Output_relaxed_input_section_by_input_section_map.
7971         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7972         input section.
7973
7974 2009-12-15  Ian Lance Taylor  <iant@google.com>
7975
7976         * layout.cc (Layout::create_shstrtab): Only write out after input
7977         sections if we are compressing debug sections.
7978
7979 2009-12-15  Ian Lance Taylor  <iant@google.com>
7980
7981         * archive.cc (Archive::add_symbols): Only look up a symbol without
7982         a version if there is, in fact, a version.
7983
7984 2009-12-14  Ian Lance Taylor  <iant@google.com>
7985
7986         Revert -Wshadow changes, all changes from:
7987         2009-12-11  Doug Kwan  <dougkwan@google.com>
7988         2009-12-11  Nick Clifton  <nickc@redhat.com>
7989         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7990
7991 2009-12-11  Doug Kwan  <dougkwan@google.com>
7992
7993         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7994         due to -Wshadow.
7995         * attributes.cc (Object_attribute::size): Ditto.
7996         (Attributes_section_data::size): Ditto.
7997         (Attributes_section_data::Attributes_section_data): Ditto.
7998         (Output_attributes_section_data::do_write): Ditto.
7999         * attributes.h (Object_attribute::set_type): Ditto.
8000         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
8001
8002 2009-12-11  Nick Clifton  <nickc@redhat.com>
8003
8004         * archive.cc: Fix shadowed variable warnings.
8005         * arm.cc: Likewise.
8006         * compressed_output.cc: Likewise.
8007         * compressed_output.h: Likewise.
8008         * configure: Likewise.
8009         * dwarf_reader.cc: Likewise.
8010         * dynobj.cc: Likewise.
8011         * dynobj.h: Likewise.
8012         * ehframe.cc: Likewise.
8013         * ehframe.h: Likewise.
8014         * errors.cc: Likewise.
8015         * expression.cc: Likewise.
8016         * fileread.cc: Likewise.
8017         * fileread.h: Likewise.
8018         * freebsd.h: Likewise.
8019         * i386.cc: Likewise.
8020         * icf.cc: Likewise.
8021         * incremental.h: Likewise.
8022         * layout.cc: Likewise.
8023         * layout.h: Likewise.
8024         * mapfile.cc: Likewise.
8025         * merge.cc: Likewise.
8026         * merge.h: Likewise.
8027         * object.cc: Likewise.
8028         * object.h: Likewise.
8029         * options.h: Likewise.
8030         * output.cc: Likewise.
8031         * output.h: Likewise.
8032         * parameters.cc: Likewise.
8033         * plugin.cc: Likewise.
8034         * powerpc.cc: Likewise.
8035         * reduced_debug_output.cc: Likewise.
8036         * reduced_debug_output.h: Likewise.
8037         * reloc.cc: Likewise.
8038         * reloc.h: Likewise.
8039         * resolve.cc: Likewise.
8040         * script-sections.cc: Likewise.
8041         * script.cc: Likewise.
8042         * script.h: Likewise.
8043         * sparc.cc: Likewise.
8044         * symtab.cc: Likewise.
8045         * symtab.h: Likewise.
8046         * target-select.cc: Likewise.
8047         * target-select.h: Likewise.
8048         * token.h: Likewise.
8049         * workqueue.cc: Likewise.
8050         * workqueue.h: Likewise.
8051         * x86_64.cc: Likewise.
8052
8053 2009-12-10  Doug Kwan  <dougkwan@google.com>
8054
8055         * arm.cc (attributes.h): New include.
8056         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
8057         (Arm_relobj::~Arm_relobj): Delete object pointed by
8058         attributes_section_data_.
8059         (Arm_relobj::attributes_section_data): New method definition.
8060         (Arm_relobj::attributes_section_data_): New data member declaration.
8061         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
8062         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
8063         attributes_section_data_.
8064         (Arm_dynobj::attributes_section_data): New method definition.
8065         (Arm_dynobj::attributes_section_data_): New data member declaration.
8066         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
8067         initialization value of may_use_blx_ to false.
8068         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
8069         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
8070         object attributes to compute results instead of hard-coding.
8071         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
8072         Target_arm::get_secondary_compatible_arch,
8073         Target_arm::set_secondary_compatible_arch
8074         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8075         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
8076         New method declarations.
8077         (Target_arm::get_aeabi_object_attribute): New method definition.
8078         (Target_arm::attributes_section_data_): New data member declaration.
8079         (read_arm_attributes_section): New template definition.
8080         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
8081         (Arm_dynobj::do_read_symbols): Ditto.
8082         (Target_arm::do_finalize_sections): Merge attributes sections from
8083         input.  Check for BLX use after attributes section merging.
8084         Fix __exidx_start and __exidx_end visibility.  Create an
8085         .ARM.attributes section if necessary.
8086         (Target_arm::get_secondary_compatible_arch,
8087         Target_arm::set_secondary_compatible_arch,
8088         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8089         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
8090         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
8091         New method definitions.
8092
8093 2009-12-09  Ian Lance Taylor  <iant@google.com>
8094
8095         * plugin.cc (Plugin::load): Don't cast from void* to a function
8096         pointer.
8097
8098 2009-12-09  Ian Lance Taylor  <iant@google.com>
8099
8100         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
8101         information fields.
8102
8103 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
8104
8105         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
8106         Replace two_file_shared_1.so with two_file_shared_2.so.
8107         * testsuite/Makefile.in: Regenerated.
8108
8109 2009-12-08  Doug Kwan  <dougkwan@google.com>
8110
8111         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
8112         (HFILES): Add attributes.h and int_encoding.h.
8113         * Makefile.in: Regenerate.
8114         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
8115         function definitions to int_encoding.cc
8116         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
8117         prototypes to int_encoding.h
8118         * reduced_debug_output.cc (int_encoding.h): New include.
8119         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
8120         function definitions to int_encoding.cc
8121         (insert_into_vector, read_from_pointer): Move template definitions to
8122         int_encoding.h
8123         * attributes.cc: New file.
8124         * attributes.h: New file.
8125         * int_encoding.cc: New file.
8126         * int_encoding.h: New file.
8127
8128 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
8129
8130         PR gold/11055
8131         * incremental-dump.cc (dump_incremental_inputs): New.
8132         (main): Use dump_incremental_inputs.
8133
8134 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
8135
8136         PR gold/10893
8137         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
8138         checking elfcpp::STT_FUNC.
8139         (Target_i386::Relocate::relocate): Likewise.
8140         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
8141
8142         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
8143         symbols from shared libraries into normal FUNC symbols.
8144
8145         * symtab.h (Symbol): Add is_func and use it.
8146
8147 2009-12-05  Doug Kwan  <dougkwan@google.com>
8148
8149         * arm.cc (Target_arm::arm_info): Initialize new fields
8150         attributes_section and attributes_vendor.
8151         * i386.cc (Target_i386::i386_info): Same.
8152         * object.cc (Sized_relobj::do_layout): Skip attribute section.
8153         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
8154         fields attributes_section and attributes_vendor.
8155         * sparc.cc (Target_sparc::sparc_info): Same.
8156         * target.h (Target::attributes_section, Target::attributes_vendor,
8157         Target::is_attributes_section, Target::attribute_arg_type,
8158         Target::attributes_order): New method definitions.
8159         (Target::Target_info::attributes_section,
8160         Target::Target_info::attributes_vendor): New fields.
8161         (Target::do_attribute_arg_type, Target::do_attributes_order): New
8162         virtual method definitions.
8163         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
8164         attributes_section and attributes_vendor.
8165         * testsuite/testfile.cc (Target_test::test_target_info): Same.
8166
8167 2009-12-05  Doug Kwan  <dougkwan@google.com>
8168
8169         * arm.cc: Update comments about interworking and stub generation.
8170         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
8171         considered as non-PIC.
8172         (Arm_relocate_functions::base_abs): Fix formatting.
8173         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
8174         of function to use GOT entry address instead of offset.
8175         (Target_arm::Scan::global): Issue an error if a symbol would need a
8176         PLT does not get one because it is untyped.  Remove code to create
8177         dynamic symbols for relative branches.
8178         (Target_arm::Relocate::relocate: Use 0 instead of false since function
8179         takes unsigned integer instead of boolean.
8180
8181 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
8182
8183         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
8184         (two_file_test_LDADD): Likewise.
8185         (common_test_1_LDADD): Likewise.
8186         (exception_test_LDADD) Likewise.
8187         (weak_test_LDADD): Likewise.
8188         (many_sections_test_LDADD): Likewise.
8189         (initpri1_LDADD): Likewise.
8190         (script_test_1_LDADD): Likewise.
8191         (script_test_2_LDADD): Likewise.
8192         (justsyms_LDADD): Likewise.
8193         (binary_test_LDADD): Likewise.
8194         (large_LDADD): Likewise.
8195         * testsuite/Makefile.in: Regenerated.
8196
8197 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
8198
8199         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
8200         (Symbol_table::override_with_special): Likewise.
8201         (Symbol_table::add_from_object): Likewise.
8202
8203 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8204
8205         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8206         Don't set the data_offset twice.
8207
8208 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8209
8210         * testsuite/Makefile.in: Regenerate.
8211
8212 2009-12-03  Doug Kwan  <dougkwan@google.com>
8213
8214         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
8215         (Target_arm::do_finalize_sections): Add parameter for symbol table
8216         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
8217         * i386.cc (Target_i386::do_finalize_sections): Add an additional
8218         parameter for symbol table pointer.
8219         * layout.cc (Layout::finalize): Call Target::finalize_sections with
8220         an additional parameter for a pointer to symbol table.
8221         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
8222         parameter for a symbol table pointer.
8223         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
8224         * target.h (Target::finalize_sections, Target::do_finalize_sections):
8225         Ditto.
8226         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
8227         parameter for a symbol table pointer.
8228
8229 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
8230
8231         * incremental.cc (Incremental_inputs_header)
8232         (Incremental_inputs_header_write, Incremental_inputs_entry)
8233         (Incremental_inputs_entry_write): Move ...
8234         * incremental.h (Incremental_inputs_header)
8235         (Incremental_inputs_header_write, Incremental_inputs_entry)
8236         (Incremental_inputs_entry_write): here.
8237
8238 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8239
8240         * incremental.cc (make_sized_incremental_binary): Set the target.
8241         Error if it is incompatible.
8242         * output.h (Output_file): Add filename method.
8243
8244 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8245
8246         * incremental.cc (Incremental_inputs_entry): Remove unused argument
8247         from the get_* methods.
8248
8249 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8250
8251         * incremental-dump.cc (main): Check that the offeset of a script is 0.
8252         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8253         Write 0 for the data_offset of scripts.
8254
8255 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8256
8257         * testsuite/Makefile.am: Add the incremental_test.sh test.
8258         * testsuite/incremental_test.sh: New.
8259         * testsuite/incremental_test_1.c: New.
8260         * testsuite/incremental_test_2.c: New.
8261
8262 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
8263
8264         * incremental-dump.cc (main): Fix typos.
8265
8266 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
8267
8268         PR gold/11025
8269         * incremental-dump.cc (main): Use llu to print 64 bit values.
8270
8271 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
8272             H.J. Lu  <hongjiu.lu@intel.com>
8273
8274         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
8275         $(LIBDL).
8276         (incremental_dump_LDADD): Likewise.
8277         * Makefile.in: Regenerated.
8278
8279 2009-11-25  Doug Kwan  <dougkwan@google.com>
8280
8281         Revert:
8282
8283         2009-11-25  Doug Kwan  <dougkwan@google.com>
8284
8285                 * arm.cc (Target_arm::Target_arm): Move method definition
8286                 outside of class definition.  Add code to handle
8287                 --target1-rel, --target1-abs and --target2= options.
8288                 (Target_arm::get_reloc_reloc_type): Change method to be
8289                 non-static and const.
8290                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
8291                 New data member declaration.
8292                 (Target_arm::Scan::local, Target_arm::Scan::global,
8293                 Target_arm::Relocate::relocate,
8294                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8295                 Adjust call to Target_arm::get_real_reloc_type.
8296                 (Target_arm::get_real_reloc_type): Use command line options
8297                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8298                 * options.h (--target1-rel, --target1-abs, --target2): New
8299                 ARM-only options.
8300
8301 2009-11-25  Doug Kwan  <dougkwan@google.com>
8302
8303         * arm.cc (Target_arm::Target_arm): Move method definition outside of
8304         class definition.  Add code to handle --target1-rel, --target1-abs
8305         and --target2= options.
8306         (Target_arm::get_reloc_reloc_type): Change method to be non-static
8307         and const.
8308         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
8309         member declaration.
8310         (Target_arm::Scan::local, Target_arm::Scan::global,
8311         Target_arm::Relocate::relocate,
8312         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8313         call to Target_arm::get_real_reloc_type.
8314         (Target_arm::get_real_reloc_type): Use command line options to
8315         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8316         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
8317         options.
8318
8319 2009-11-25  Doug Kwan  <dougkwan@google.com>
8320
8321         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
8322         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
8323         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
8324         formatting.
8325         (Arm_relocate_functions::thm_call): Replace body with a call to
8326         Arm_relocate_functions::thumb_branch_common.
8327         (Arm_relocate_functions::thm_jump24,
8328         Arm_relocate_functions::thm_xpc22): New method definitions.
8329         (Arm_relocate_functions::thumb_branch_common): New method definition.
8330         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8331         operator.
8332         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8333         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8334
8335 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8336
8337         * Makefile.am: Build incremental-dump
8338         * Makefile.in: Regenerate.
8339         * incremental-dump.cc: New.
8340         * incremental.cc (Incremental_inputs_header_data,
8341         Incremental_inputs_entry_data): Move to incremental.h
8342         * incremental.h: (Incremental_inputs_header_data,
8343         Incremental_inputs_entry_data): Move from incremental.cc
8344
8345 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8346
8347         * incremental.cc (Incremental_inputs_header,
8348         Incremental_inputs_header_write, Incremental_inputs_entry,
8349         Incremental_inputs_entry_write): Add a typedef with the data type.
8350
8351 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8352
8353         * incremental.cc (Incremental_inputs_header,
8354         Incremental_inputs_header_write, Incremental_inputs_entry,
8355         Incremental_inputs_entry_write): Update comment about which
8356         type has the filed descriptions.
8357
8358 2009-11-15  Doug Kwan  <dougkwan@google.com>
8359
8360         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8361         (Arm_relocate_functions::arm_branch_common): Change method defintion
8362         in class definition to a method declaration and update list of formal
8363         parameters.
8364         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8365         Arm_relocation_functions::jump24): Adjust call to
8366         Arm_relocate_functions::arm_branch_common.  Update list of formal
8367         parameters.
8368         (Arm_relocate_functions::xpc25): New method definition.
8369         (Arm_relocate_functions::arm_branch_common): Move method defintion
8370         out from class definition.  Use stubs for mode-switching and extending
8371         branch ranges.
8372         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8373         specially.  Change code to enable use of stubs in ARM branches.
8374
8375 2009-11-10  Doug Kwan  <dougkwan@google.com>
8376
8377         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8378         in method declaration.
8379         (Target_arm::relocate_stub): New method declaration.
8380         (Target_arm::default_target): Change to return a pointer instead of
8381         a const reference.
8382         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8383         Target_arm::default_target.
8384         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8385         method definition.
8386         (Target_arm::relocate_section): Adjust view.
8387         (Target_arm::relocate_stub): New method definition.
8388
8389 2009-11-10  Doug Kwan  <dougkwan@google.com>
8390
8391         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8392         a format warning.
8393         * incremental.cc (open_incremental_binary): Initialized local
8394         variables to avoid warnings.
8395         * object.cc (make_elf_object): Ditto.
8396         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8397         a format warning.
8398
8399 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8400
8401         PR gold/10930
8402         * testsuite/plugin_test.c: Include "config.h".
8403
8404 2009-11-09  Doug Kwan  <dougkwan@google.com>
8405
8406         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8407         (arm_symbol_value): Remove.
8408         (Arm_relocate_functions::arm_branch_common,
8409         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8410         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8411         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8412         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8413         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8414         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8415         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8416         Arm_relocate_functions::thm_mobw_abs_nc,
8417         Arm_relocate_functions::thm_mov_abs,
8418         Arm_relocate_functions::movw_prel_nc,
8419         Arm_relocate_functions::thm_movt_abs,
8420         Arm_relocate_functions::movt_prel,
8421         Arm_relocate_functions::thm_movw_prel_nc,
8422         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8423         (Target_arm::Relocate::relocate): Only decompose address into two
8424         parts if relocation type uses the thumb-bit and pass the actual
8425         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8426         calls to methods in Arm_relocate_functions for this change.
8427
8428 2009-11-08  Ian Lance Taylor  <iant@google.com>
8429
8430         PR 10925
8431         * reloc.cc: Instantiate
8432         Sized_relobj::initialize_input_to_output_maps and
8433         Sized_relobj:free_input_to_output_maps.
8434
8435 2009-11-06  Ian Lance Taylor  <iant@google.com>
8436
8437         PR 10876
8438         * defstd.cc (in_segment): Set only_if_ref true for "end".
8439
8440 2009-11-06  Doug Kwan  <dougkwan@google.com>
8441
8442         * arm.cc (class Reloc_stub): Correct a comment.
8443         (Target_arm::Target_arm): Initialize arm_input_section_map_.
8444         (Target_arm::scan_section_for_stubs): New method declaration.
8445         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
8446         Change methods from private to protected.
8447         (Target_arm::do_may_relax): New method definition.
8448         (Target_arm::do_relax, Target_arm::group_sections,
8449         Target_arm::scan_reloc_for_stub,
8450         Target_arm::scan_reloc_section_for_stubs): New method declarations.
8451         (Target_arm::arm_input_section_map_): New data member declaration.
8452         (Target_arm::scan_reloc_for_stub,
8453         Target_arm::scan_reloc_section_for_stubs,
8454         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
8455         Target_arm::do_relax): New method definitions.
8456
8457 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
8458
8459         * configure.ac: Check for (struct stat)::st_mtim
8460         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
8461         * config.in: Regenerate.
8462         * configure: Regenerate.
8463
8464 2009-11-05  Ian Lance Taylor  <iant@google.com>
8465
8466         PR 10910
8467         * output.cc (Output_segment::add_output_section): Add missing
8468         return statement.
8469
8470 2009-11-04  Ian Lance Taylor  <iant@google.com>
8471
8472         PR 10880
8473         * object.h (class Object): Add is_needed and set_is_needed
8474         methods.  Add is_needed_ field.  Make bool fields into bitfields.
8475         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
8476         defined in a dynamic object and referenced by a regular object,
8477         set is_needed for the dynamic object.
8478         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
8479         if the file is marked with as_needed and it is not needed.
8480
8481 2009-11-04  Ian Lance Taylor  <iant@google.com>
8482
8483         PR 10887
8484         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
8485         tags if data is discarded by linker script.
8486         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8487         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8488         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8489         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8490
8491 2009-11-04  Ian Lance Taylor  <iant@google.com>
8492
8493         * layout.cc (Layout::get_output_section): Add is_interp and
8494         is_dynamic_linker_section parameters.  Change all callers.
8495         (Layout::choose_output_section): Likewise.
8496         (Layout::make_output_section): Likewise.
8497         (Layout::add_output_section_data): Add is_dynamic_linker_section
8498         parameter.  Change all callers.
8499         * layout.h (class Layout): Update declarations.
8500         * output.h (class Output_section): Add is_interp, set_is_interp,
8501         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
8502         Add is_interp_, is_dynamic_linker_section_ fields.  Change
8503         generate_code_fills_at_write_ to a bitfield.
8504         * output.cc (Output_section::Output_sections): Initialize new
8505         fields.
8506         (Output_segment::add_output_section): Add do_sort parameter.
8507         Change all callers.
8508
8509 2009-11-03  Ian Lance Taylor  <iant@google.com>
8510
8511         PR 10860
8512         * options.h (class General_options): Add --warn-common.
8513         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
8514         merging two common symbols.
8515         (Symbol_table::should_override): Handle --warn-common when merging
8516         a common symbol with a defined symbol.  Use report_resolve_problem
8517         for multiple definitions.
8518         (Symbol_table::report_resolve_problem): New function.
8519         * symtab.h (class Symbol_table): Declare report_resolve_problem.
8520
8521 2009-11-03  Doug Kwan  <dougkwan@google.com>
8522
8523         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
8524         stub_factory_.
8525         (Target_arm::stub_factory): New method definition.
8526         (Target_arm::new_arm_input_section,
8527         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
8528         Target_arm::reloc_uses_thumb_bit): New method declarations.
8529         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
8530         New type definitions.
8531         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
8532         member declarations.
8533         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
8534         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
8535         New method definitions.
8536
8537 2009-11-03  Ian Lance Taylor  <iant@google.com>
8538
8539         * options.h (class General_options): Add --warn_constructors.
8540
8541 2009-11-03  Ian Lance Taylor  <iant@google.com>
8542
8543         PR 10893
8544         * defstd.cc (in_section): Add entries for __rel_iplt_start,
8545         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
8546
8547 2009-11-03  Ian Lance Taylor  <iant@google.com>
8548
8549         PR 10895
8550         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
8551         --msgid-bugs-address.
8552         (install-pdf): New target.
8553         (install-data_yes): Look up one directory to find mkinstalldirs.
8554
8555 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
8556
8557         * po/Make-in (.po.gmo): Don't generate .gmo files in source
8558         tree.
8559
8560 2009-10-30  Doug Kwan  <dougkwan@google.com>
8561
8562         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
8563
8564 2009-10-30  Doug Kwan  <dougkwan@google.com>
8565
8566         * arm.cc (Stub_addend_reader): New struct template definition
8567         and partial specializations.
8568         (Stub_addend_reader::operator()): New method definition for a
8569         partially specialized template.
8570
8571 2009-10-30  Doug Kwan  <dougkwan@google.com>
8572
8573         * arm.cc (Arm_relobj::processor_specific_flags): New method
8574         definition.
8575         (Arm_relobj::do_read_symbols): New method declaration.
8576         (Arm_relobj::processor_specific_flags_): New data member declaration.
8577         (Arm_dynobj): New class definition.
8578         (Target_arm::do_finalize_sections): Add input_objects parameter.
8579         (Target_arm::do_adjust_elf_header): New method declaration.
8580         (Target_arm::are_eabi_versions_compatible,
8581         (Target_arm::merge_processor_specific_flags): New method declaration.
8582         (Target_arm::do_make_elf_object): New overloaded method definitions
8583         and declaration.
8584         (Arm_relobj::do_read_symbols): New method definition.
8585         (Arm_dynobj::do_read_symbols): Ditto.
8586         (Target_arm::do_finalize_sections): Add input_objects parameters.
8587         Merge processor-specific flags from all input objects.
8588         (Target_arm::are_eabi_versions_compatible,
8589         Target_arm::merge_processor_specific_flags,
8590         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
8591         New method definitions.
8592         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
8593         Input_objects pointer type parameter.
8594         * layout.cc (Layout::finalize): Pass input objects to target's.
8595         finalize_sections function.
8596         * output.cc (Output_file_header::do_sized_write): Set ELF file
8597         header's processor-specific flags.
8598         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
8599         Input_objects pointer type parameter.
8600         * sparc.cc (Target_sparc::do_finalize_sections): Same.
8601         * target.h (Input_objects): New forward class declaration.
8602         (Target::processor_specific_flags,
8603         Target::are_processor_specific_flags_sect): New method definitions.
8604         (Target::finalize_sections): Add input_objects parameter.
8605         (Target::Target): Initialize processor_specific_flags_ and
8606         are_processor_specific_flags_set_.
8607         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
8608         parameter.
8609         (Target::set_processor_specific_flags): New method definition.
8610         (Target::processor_specific_flags_,
8611         Target::are_processor_specific_flags_set_): New data member
8612         declarations.
8613         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
8614         Input_objects pointer type parameter.
8615
8616 2009-10-30  Doug Kwan  <dougkwan@google.com>
8617
8618         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
8619
8620 2009-10-28  Ian Lance Taylor  <iant@google.com>
8621
8622         * object.h (class Relobj): Drop options parameter from
8623         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
8624         do_scan_relocs, do_relocate.  Change all callers.
8625         (class Sized_relobj): Drop options parameters from
8626         do_gc_process_relocs, do_scan_relocs, do_relocate,
8627         do_relocate_sections, relocate_sections, emit_relocs_scan,
8628         emit_relocs_scan_reltype.  Change all callers.
8629         (struct Relocate_info): Remove options field and all references to
8630         it.
8631         * reloc.h (class Read_relocs): Remove options constructor
8632         parameter and options_ field.  Change all callers.
8633         (class Gc_process_relocs, class Scan_relocs): Likewise.
8634         (class Relocate_task): Likewise.
8635         * target-reloc.h (scan_relocs): Remove options parameter.  Change
8636         all callers.
8637         (scan_relocatable_relocs): Likewise.
8638         * target.h (class Sized_target): Remove options parameter from
8639         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
8640         all callers.
8641         * gc.h (gc_process_relocs): Remove options parameter.  Change all
8642         callers.
8643         * arm.cc: Update functions to remove options parameters.
8644         * i386.cc: Likewise.
8645         * powerpc.cc: Likewise.
8646         * sparc.cc: Likewise.
8647         * x86_64.cc: Likewise.
8648         * testsuite/testfile.cc: Likewise.
8649
8650 2009-10-28  Doug Kwan  <dougkwan@google.com>
8651
8652         * arm.cc (Arm_relobj): New class definition.
8653         (Arm_relobj::scan_sections_for_stubs,
8654         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
8655         New method definitions.
8656
8657 2009-10-28  Cary Coutant  <ccoutant@google.com>
8658
8659         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
8660         (Plugin::cleanup_done_): New member.
8661         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
8662         (Plugin_manager::cleanup_done_): Remove.
8663         (Plugin_manager::add_input_file): Edit error message.
8664         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
8665         (Plugin_manager::cleanup): Remove use of cleanup_done_.
8666
8667 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
8668
8669         * fileread.cc: (File_read::View::~View): Use the new
8670         data_ownership_ filed.
8671         (File_read::~File_read): Dispose the new whole_file_view_.
8672         (File_read::open): Mmap the whole file if needed.
8673         (File_read::open): Use whole_file_view_ instead of contents_.
8674         (File_read::find_view): Use whole_file_view_ if applicable.
8675         (File_read::do_read): Use whole_file_view_ instead of contents_.
8676         (File_read::make_view): Use whole_file_view_ instead of contents_,
8677         update File_read::View::View call.
8678         (File_read::find_or_make_view): Update File_read::View::View
8679         call.
8680         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
8681         remove contents_
8682         (File_read::View::Data_ownership): New enum.
8683         (File_read::View::View): Replace bool mapped_ with Data_ownership
8684         argument.
8685         (File_read::View::mapped_): Remove (replaced by data_ownership_).
8686         (File_read::View::data_ownership_): New field.
8687         (File_read::contents_): Remove (replaced by whole_file_view_).
8688         (File_read::whole_file_view_): New field.
8689         * options.h (class General_options): Add --keep-files-mapped.
8690
8691 2009-10-27  Cary Coutant  <ccoutant@google.com>
8692
8693         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
8694         * testsuite/Makefile.am (plugin_test_5): New test case.
8695         * testsuite/Makefile.in: Regenerate.
8696
8697 2009-10-25  Doug Kwan  <dougkwan@google.com>
8698
8699         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
8700         from private to protected to allow access by child class.
8701         (Sized_relobj::do_relocate_sections): New method declaration.
8702         (Sized_relobj::relocate_sections): Virtualize.
8703         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
8704         Sized_relobj::relocate_sections.  Instantiate template explicitly
8705         for different target sizes and endianity.
8706
8707 2009-10-24  Doug Kwan  <dougkwan@google.com>
8708
8709         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
8710         (Arm_input_section::as_arm_input_section): New method.
8711         (Arm_output_section): New class definition.
8712         (Arm_output_section::create_stub_group,
8713         Arm_output_section::group_sections): New method definitions.
8714
8715 2009-10-22  Doug Kwan  <dougkwan@google.com>
8716
8717         * arm.cc (Arm_input_section): New class definition.
8718         (Arm_input_section::init, Arm_input_section:do_write,
8719         Arm_input_section::set_final_data_size,
8720         Arm_input_section::do_reset_address_and_file_offset): New method
8721         definitions.
8722
8723 2009-10-21  Doug Kwan  <dougkwan@google.com>
8724
8725         * arm.cc (Stub_table, Arm_input_section): New forward class
8726         declarations.
8727         (Stub_table): New class defintion.
8728         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
8729         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
8730         New method definition.
8731
8732 2009-10-21  Doug Kwan  <dougkwan@google.com>
8733
8734         * arm.cc: Update copyright comments.
8735         (Target_arm): New forward class template declaration.
8736         (Arm_address): New type.
8737         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8738         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8739         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8740         constants.
8741         (Insn_template): Same.
8742         (DEF_STUBS): New macro.
8743         (Stub_type): New enum type.
8744         (Stub_template): New class definition.
8745         (Stub): Same.
8746         (Reloc_stub): Same.
8747         (Stub_factory): Same.
8748         (Target_arm::Target_arm): Initialize may_use_blx_ and
8749         should_force_pic_veneer_.
8750         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8751         Target_arm::should_force_pic_veneer,
8752         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8753         Target_arm::using_thumb_only, Target_arm:;default_target): New
8754         method defintions.
8755         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8756         New data member declarations.
8757         (Insn_template::size, Insn_template::alignment): New method defintions.
8758         (Stub_template::Stub_template): New method definition.
8759         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8760         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8761         (Stub_factory::Stub_factory): New method definition.
8762         * gold.h (string_hash): New template.
8763         * output.h (Input_section_specifier::hash_value): Use
8764         gold::string_hash.
8765         (Input_section_specifier::string_hash): Remove.
8766         * stringpool.cc (Stringpool_template::string_hash): Use
8767         gold::string_hash.
8768
8769 2009-10-20  Doug Kwan  <dougkwan@google.com>
8770
8771         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8772         symbols of relaxed input sections.
8773         * output.h (Output_section::find_relaxed_input_section): Make
8774         method public.
8775
8776 2009-10-16  Doug Kwan  <dougkwan@google.com>
8777
8778         * dynobj.cc (Versions::Versions): Initialize version_script_.
8779         Only insert base version symbol definition for a shared object
8780         if version script defines any version versions.
8781         (Versions::define_base_version): New method definition.
8782         (Versions::add_def): Check that base version is not needed.
8783         (Versions::add_need): Define base version lazily.
8784         * dynobj.h (Versions::define_base_version): New method declaration.
8785         (Versions::needs_base_version_): New data member declaration.
8786         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8787         (check_DATA): Add no_version_test.stdout.
8788         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8789         New make rules.
8790         * testsuite/Makefile.in: Regenerate.
8791         * testsuite/no_version_test.c: New file.
8792         * testsuite/no_version_test.sh: Ditto.
8793
8794 2009-10-16  Doug Kwan  <dougkwan@google.com>
8795
8796         * expression.cc (class Segment_start_expression): New class definition.
8797         (Segment_start_expression::value): New method definition.
8798         (script_exp_function_segment_start): Return a new
8799         Segment_start_expression.
8800         * gold/script-c.h (script_saw_segment_start_expression): New function
8801         prototype.
8802         * script-sections.cc (Script_sections::Script_sections): Initialize
8803         SAW_SEGMENT_START_EXPRESSION_ to false.
8804         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8805         and -Tbbs options to specify section addresses if given in
8806         command line and no SEGMENT_START expression is seen in a script.
8807         * script-sections.h (Script_sections::saw_segment_start_expression,
8808         Script_sections::set_saw_segment_start_expression): New method
8809         definition.
8810         (Script_sections::saw_segment_start_expression_): New data member
8811         declaration.
8812         * script.cc (script_saw_segment_start_expression): New function.
8813         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8814         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8815         script_test_7.sh and script_test_8.sh.
8816         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8817         script_test_8.stdout.
8818         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8819         (script_test_6, script_test_6.stdout, script_test_7,
8820         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8821         * Makefile.in: Regenerate.
8822         * testsuite/script_test_6.sh: New file.
8823         * testsuite/script_test_6.t: Same.
8824         * testsuite/script_test_7.sh: Same.
8825         * testsuite/script_test_7.t: Same.
8826         * testsuite/script_test_8.sh: Same.
8827
8828 2009-10-16  Doug Kwan  <dougkwan@google.com>
8829
8830         * output.cc (Output_segment::set_section_list_address): Cast
8831         expressions to unsigned long long type to avoid format warnings.
8832
8833 2009-10-15  Ian Lance Taylor  <iant@google.com>
8834
8835         * script.cc (Script_options::add_symbol_assignment): Always add a
8836         dot assignment to script_sections_.
8837         * script-sections.cc (Script_sections::add_dot_assignment):
8838         Initialize if necessary.
8839
8840         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8841         program headers with no load segment if there is a linker script.
8842
8843         * layout.cc (Layout::set_segment_offsets): Align the file offset
8844         to the segment aligment for -N or -n with no load segment.
8845         * output.cc (Output_segment::add_output_section): Don't crash if
8846         the first section is a TLS section.
8847         (Output_segment::set_section_list_addresses): Print an error
8848         message if the address moves backward in a linker script.
8849         * script-sections.cc
8850         (Output_section_element_input::set_section_addresses): Don't
8851         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8852         (Orphan_output_section::set_section_addresses): Likewise.
8853
8854 2009-10-15  Doug Kwan  <dougkwan@google.com>
8855
8856         * layout.cc (Layout::finish_dynamic_section): Generate tags
8857         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8858         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8859         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8860
8861 2009-10-14  Ian Lance Taylor  <iant@google.com>
8862
8863         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8864         fields.
8865         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8866         data_shdr fields of relinfo.
8867         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8868         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8869         R_386_TLS_LDO_32, adjust based on section flags.
8870         (Target_i386::Relocate::fix_up_ldo): Remove.
8871
8872 2009-10-13  Ian Lance Taylor  <iant@google.com>
8873
8874         Add support for -pie.
8875         * options.h (class General_options): Add -pie and
8876         --pic-executable.
8877         (General_options::output_is_position_independent): Test -pie.
8878         (General_options::output_is_executable): Return true if not shared
8879         and not relocatable.
8880         (General_options::output_is_pie): Remove.
8881         * options.cc (General_options::finalize): Reject incompatible uses
8882         of -pie.
8883         * gold.cc (queue_middle_tasks): A -pie link is not static.
8884         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8885         * symtab.cc (Symbol::final_value_is_known): Return false if
8886         output_is_position_independent.
8887         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8888         output_is_position_independent.
8889         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8890         output_is_position_independent.
8891         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8892         output_is_position_independent.
8893         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8894         two_file_pie_test.
8895         (basic_pie_test.o, basic_pie_test): New targets.
8896         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8897         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8898         (two_file_pie_test): New target.
8899         * testsuite/Makefile.in: Rebuild.
8900         * README: Remove note saying that -pie is not supported.
8901
8902 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8903
8904         * options.h (class General_options): Add -init and -fini.
8905         * layout.cc (Layout::finish_dynamic_section): Emit
8906         given init and fini functions.
8907
8908 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8909
8910         * gc.h (gc_process_relocs): Check if icf is enabled using new
8911         function.
8912         * gold.cc (queue_initial_tasks): Likewise.
8913         (queue_middle_tasks): Likewise.
8914         * object.cc (do_layout): Likewise.
8915         * symtab.cc (is_section_folded): Likewise.
8916         * main.cc (main): Likewise.
8917         * reloc.cc (Read_relocs::run): Likewise.
8918         (Sized_relobj::do_scan_relocs): Likewise.
8919         * icf.cc (is_function_ctor_or_dtor): New function.
8920         (Icf::find_identical_sections): Check if function is ctor or dtor when
8921         safe icf is chosen.
8922         * options.h (General_options::icf): Change option to be an enum.
8923         (Icf_status): New enum.
8924         (icf_enabled): New method.
8925         (icf_safe_folding): New method.
8926         (set_icf_status): New method.
8927         (icf_status_): New variable.
8928         * (options.cc) (General_options::finalize): Set icf_status_.
8929         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8930         icf_test and icf_keep_unique_test to use the --icf enum flag.
8931         * testsuite/icf_safe_test.sh: New file.
8932         * testsuite/icf_safe_test.cc: New file.
8933
8934 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8935
8936         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8937         includes to gc.h and icf.h.
8938         * arm.cc: Include gc.h.
8939         * gold.cc: Likewise.
8940         * i386.cc: Likewise.
8941         * powerpc.cc: Likewise.
8942         * sparc.cc: Likewise.
8943         * x86_64.cc: Likewise.
8944         * gc.h: Include icf.h.
8945
8946 2009-10-11  Ian Lance Taylor  <iant@google.com>
8947
8948         * plugin.cc: Include "gold.h" before other header files.
8949
8950 2009-10-10  Chris Demetriou  <cgd@google.com>
8951
8952         * options.h (Input_file_argument::Input_file_type): New enum.
8953         (Input_file_argument::is_lib_): Replace with...
8954         (Input_file_argument::type_): New member.
8955         (Input_file_argument::Input_file_argument): Take Input_file_type
8956         'type' rather than boolean 'is_lib' as second argument.
8957         (Input_file_argument::is_lib): Use type_.
8958         (Input_file_argument::is_searched_file): New function.
8959         (Input_file_argument::may_need_search): Handle is_searched_file.
8960         * options.cc (General_options::parse_library): Support -l:filename.
8961         (General_options::parse_just_symbols): Update for Input_file_argument
8962         changes.
8963         (Command_line::process): Likewise.
8964         * archive.cc (Archive::get_file_and_offset): Likewise.
8965         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8966         * script.cc (read_script_file, script_add_file): Likewise.
8967         * fileread.cc (Input_file::Input_file): Likewise.
8968         (Input_file::will_search_for): Handle is_searched_file.
8969         (Input_file::open): Likewise.
8970         * readsyms.cc (Read_symbols::get_name): Likewise.
8971         * testsuite/Makefile.am (searched_file_test): New test.
8972         * testsuite/Makefile.in: Regenerate.
8973         * testsuite/searched_file_test.cc: New file.
8974         * testsuite/searched_file_test_lib.cc: New file.
8975
8976 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8977             Ian Lance Taylor  <iant@google.com>
8978
8979         * descriptor.cc: Include <cstdio> and "binary-io.h".
8980         (Descriptors::open): Open the files in binary mode always.
8981         * script.cc (Lex::get_token): Treat \r as whitespace.
8982
8983 2009-10-09  Ian Lance Taylor  <iant@google.com>
8984
8985         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8986
8987 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8988             Ian Lance Taylor  <iant@google.com>
8989
8990         * configure.ac: Check for readv function also.
8991         * fileread.cc (readv): Define if not HAVE_READV.
8992         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8993         does not exist.
8994         * config.in: Regenerate.
8995         * configure: Regenerate.
8996
8997 2009-10-09  Doug Kwan  <dougkwan@google.com>
8998
8999         * layout.cc (Layout::make_output_section): Call target hook to make
9000         ordinary output section.
9001         (Layout::finalize): Adjust parameter list of call the
9002         Target::may_relax().
9003         * layout.h (class Layout::section_list): New method.
9004         * merge.h (Output_merge_base::entsize): Change visibility to public.
9005         (Output_merge_base::is_string, Output_merge_base::do_is_string):
9006         New methods.
9007         (Output_merge_string::do_is_string): New method.
9008         * object.cc (Sized_relobj::do_setup): renamed from
9009         Sized_relobj::set_up.
9010         * object.h (Sized_relobj::adjust_shndx,
9011         Sized_relobj::initializ_input_to_output_maps,
9012         Sized_relobj::free_input_to_output_maps): Change visibilities to
9013         protected.
9014         (Sized_relobj::setup): Virtualize.
9015         (Sized_relobj::do_setup): New method declaration.
9016         (Sized_relobj::invalidate_section_offset,
9017         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
9018         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
9019         * options.cc (parse_int): New function.
9020         * options.h (parse_int): New declaration.
9021         (DEFINE_int): New macro.
9022         (stub_group_size): New option.
9023         * output.cc (Output_section::Output_section): Initialize memebers
9024         merge_section_map_, merge_section_by_properties_map_,
9025         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
9026         (Output_section::add_input_section): Handled deferred code-fill
9027         generation and remove an old comment.
9028         (Output_section::add_relaxed_input_section): New method definition.
9029         (Output_section::add_merge_input_section): Use merge section by
9030         properties map to speed to search.  Update merge section maps
9031         as appropriate.
9032         (Output_section::build_relaxation_map): New method definition.
9033         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9034         Same.
9035         (Output_section::relax_input_section): Renamed to
9036         Output_section::convert_input_sections_to_relaxed_sections and change
9037         interface to take a vector of pointers to relaxed sections.
9038         (Output_section::find_merge_section,
9039         Output_section::find_relaxed_input_section): New method definitions.
9040         (Output_section::is_input_address_mapped,
9041         Output_section::output_offset, Output_section::output_address):
9042         Use output section data maps to speed up searching.
9043         (Output_section::find_starting_output_address): Add comments.
9044         (Output_section::do_write,
9045         Output_section::write_to_postprocessing_buffer): Do code-fill
9046         generation as appropriate.
9047         (Output_section::get_input_sections): Invalidate relaxed input section
9048         map.
9049         (Output_section::restore_states): Adjust type of checkpoint .
9050         Invalidate relaxed input section map.
9051         * output.h (Output_merge_base): New class declaration.
9052         (Input_section_specifier): New class defintion.
9053         (class Output_relaxed_input_section) Change base class to
9054         Output_section_data_build.
9055         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
9056         base class initializer.
9057         (Output_section::add_relaxed_input_section): New method declaration.
9058         (Output_section::Input_section): Change visibility to protected.
9059         (Output_section::Input_section::relobj,
9060         Output_section::Input_section::shndx): Handle relaxed input sections.
9061         Output_section::input_sections) Change visibility to protected.  Also
9062         define overload to return a non-const pointer.
9063         (Output_section::Merge_section_properties): New class defintion.
9064         (Output_section::Merge_section_by_properties_map,
9065         Output_section::Output_section_data_by_input_section_map,
9066         Output_section::Relaxation_map): New types.
9067         (Output_section::relax_input_section): Rename method to
9068         Output_section::convert_input_sections_to_relaxed_sections and change
9069         interface to take a vector of relaxed section pointers.
9070         (Output_section::find_merge_section,
9071         Output_section::find_relaxed_input_section,
9072         Output_section::build_relaxation_map,
9073         Output_section::convert_input_sections_in_list_to_relaxed_sections):
9074         New method declarations.
9075         (Output_section::merge_section_map_
9076         Output_section::merge_section_by_properties_map_,
9077         Output_section::relaxed_input_section_map_,
9078         Output_section::is_relaxed_input_section_map_valid_,
9079         Output_section::generate_code_fills_at_write_): New data members.
9080         * script-sections.cc
9081         (Output_section_element_input::set_section_addresses): Call
9082         current_data_size and addralign methods of relaxed input sections.
9083         (Orphan_output_section::set_section_addresses): Call current_data_size
9084         and addralign methods of relaxed input sections.
9085         * symtab.cc (Symbol_table::compute_final_value): Extract template
9086         from the body of Symbol_table::sized_finalize_symbol.
9087         (Symbol_table::sized_finalized_symbol): Call
9088         Symbol_table::compute_final_value.
9089         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
9090         (Symbol_table::compute_final_value): New templated method declaration.
9091         * target.cc (Target::do_make_output_section): New method defintion.
9092         * target.h (Target::make_output_section): New method declaration.
9093         (Target::relax): Add more parameters for input objects, symbol table
9094         and layout.  Adjust call to do_relax.
9095         (Target::do_make_output_section): New method declaration.
9096         (Target::do_relax): Add parameters for input objects, symbol table
9097         and layout.
9098
9099 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9100
9101         * pread.c: Include stdio.h.
9102
9103 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9104
9105         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
9106         defined.
9107
9108 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9109
9110         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
9111         Change read_shndx type to unsigned int.
9112         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9113         int.
9114         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9115         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
9116         Change read_shndx type to unsigned int.
9117         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9118         int.
9119         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9120         * layout.cc (Layout::create_symtab_sections): Cast the result of
9121         local_symcount * symsize to off_t in the gold_assert.
9122
9123 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9124
9125         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
9126         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
9127         R_ARM_BASE_ABS.
9128         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
9129         (Arm_relocate_functions::thm_abs5): New function.
9130         (Arm_relocate_functions::abs12): New function.
9131         (Arm_relocate_functions::abs16): New function.
9132         (Arm_relocate_functions::base_abs): New function.
9133         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
9134         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
9135         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
9136         R_ARM_BASE_ABS.
9137         (Scan::global): Likewise.
9138         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
9139         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
9140         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
9141         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
9142         R_ARM_BASE_ABS.
9143
9144 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9145
9146         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
9147         (Arm_relocate_functions::movt_prel): New function.
9148         (Arm_relocate_functions::thm_movw_prel_nc): New function.
9149         (Arm_relocate_functions::thm_movt_prel): New function.
9150         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
9151         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
9152         (Scan::global, Relocate::relocate): Likewise.
9153         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9154
9155 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9156
9157         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
9158         Incremental_checker.
9159         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
9160         unsigned int.
9161         (class Incremental_inputs_header): New class.
9162         (Incremental_inputs_header_writer): Edit comment.
9163         (Incremental_inputs_entry): New class.
9164         (Incremental_inputs_entry_writer): Edit comment.
9165         (Sized_incremental_binary::do_find_incremental_inputs_section):
9166         Add *strtab_shndx parameter, fill it.
9167         (Sized_incremental_binary::do_check_inputs): New method.
9168         (Incremental_checker::can_incrementally_link_output_file): Use
9169         Sized_incremental_binary::check_inputs.
9170         (Incremental_inputs::report_command_line): Save command line in
9171         command_line_.
9172         * incremental.h:
9173         (Incremental_binary::find_incremental_inputs_section): New
9174         method.
9175         (Incremental_binary::do_find_incremental_inputs_section): Add
9176         strtab_shndx parameter.
9177         (Incremental_binary::do_check_inputs): New pure virtual method.
9178         (Sized_incremental_binary::do_check_inputs): Declare.
9179         (Incremental_checker::Incremental_checker): Add incremental_inputs
9180         parameter, use it to initialize incremental_inputs_.
9181         (Incremental_checker::incremental_inputs_): New field.
9182         (Incremental_checker::command_line): New method.
9183         (Incremental_checker::inputs): New method.
9184         (Incremental_checker::command_line_): New field.
9185
9186 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9187
9188         * incremental.cc: Include <cstdarg> and "target-select.h".
9189         (vexplain_no_incremental): New function.
9190         (explain_no_incremental): New function.
9191         (Incremental_binary::error): New method.
9192         (Sized_incremental_binary::do_find_incremental_inputs_section): New
9193         method.
9194         (make_sized_incremental_binary): New function.
9195         (open_incremental_binary): New function.
9196         (can_incrementally_link_file): Add checks if output is ELF and has
9197         inputs section.
9198         * incremental.h: Include "elfcpp_file.h" and "output.h".
9199         (Incremental_binary): New class.
9200         (Sized_incremental_binary): New class.
9201         (open_incremental_binary): Declare.
9202         * object.cc (is_elf_object): Use
9203         elfcpp::Elf_recognizer::is_elf_file.
9204         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
9205         * output.h (Output_file::filesize): New method.
9206
9207 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9208
9209         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
9210         New function.
9211         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
9212         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
9213         function.
9214         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
9215         function.
9216         (Arm_relocate_functions::movw_abs_nc): New function.
9217         (Arm_relocate_functions::movt_abs): New function.
9218         (Arm_relocate_functions::thm_movw_abs_nc): New function.
9219         (Arm_relocate_functions::thm_movt_abs): New function.
9220         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
9221         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
9222         (Scan::global): Likewise.
9223         (Relocate::relocate): Likewise.
9224         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9225
9226 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9227
9228         * arm.cc (Arm_relocate_functions::got_prel) New function.
9229         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
9230         (Relocate::relocate): Likewise.
9231         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9232
9233 2009-10-06  Ian Lance Taylor  <iant@google.com>
9234
9235         * options.h (class General_options): Define
9236         split_stack_adjust_size parameter.
9237         * object.h (class Object): Add uses_split_stack_ and
9238         has_no_split_stack_ fields.  Add uses_split_stack and
9239         has_no_split_stack accessor functions.  Declare
9240         handle_split_stack_section.
9241         (class Reloc_symbol_changes): Define.
9242         (class Sized_relobj): Define Function_offsets.  Declare
9243         split_stack_adjust, split_stack_adjust_reltype, and
9244         find_functions.
9245         * object.cc (Object::handle_split_stack_section): New function.
9246         (Sized_relobj::do_layout): Call handle_split_stack_section.
9247         * dynobj.cc (Sized_dynobj::do_layout): Call
9248         handle_split_stack_section.
9249         * reloc.cc (Sized_relobj::relocate_sections): Call
9250         split_stack_adjust for executable sections in split_stack
9251         objects.  Pass reloc_map to relocate_section.
9252         (Sized_relobj::split_stack_adjust): New function.
9253         (Sized_relobj::split_stack_adjust_reltype): New function.
9254         (Sized_relobj::find_functions): New function.
9255         * target-reloc.h: Include "object.h".
9256         (relocate_section): Add reloc_symbol_changes parameter.  Change
9257         all callers.
9258         * target.h (class Target): Add calls_non_split method.  Declare
9259         do_calls_non_split virtual method.  Declare match_view and
9260         set_view_to_nop.
9261         * target.cc: Include "elfcpp.h".
9262         (Target::do_calls_non_split): New function.
9263         (Target::match_view): New function.
9264         (Target::set_view_to_nop): New function.
9265         * gold.cc (queue_middle_tasks): Give an error if mixing
9266         split-stack and non-split-stack objects with -r.
9267         * i386.cc (Target_i386::relocate_section): Add
9268         reloc_symbol_changes parameter.
9269         (Target_i386::do_calls_non_split): New function.
9270         * x86_64.cc (Target_x86_64::relocate_section): Add
9271         reloc_symbol_changes parameter.
9272         (Target_x86_64::do_calls_non_split): New function.
9273         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
9274         parameter.
9275         * powerpc.cc (Target_powerpc::relocate_section): Add
9276         reloc_symbol_changes parameter.
9277         * sparc.cc (Target_sparc::relocate_section): Add
9278         reloc_symbol_changes parameter.
9279         * configure.ac: Call AM_CONDITIONAL for the default target.
9280         * configure: Rebuild.
9281         * testsuite/Makefile.am (TEST_AS): New variable.
9282         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
9283         (check_DATA): Add split_i386 and split_x86_64 files.
9284         (SPLIT_DEFSYMS): Define.
9285         (split_i386_[1234n].o): New targets.
9286         (split_i386_[124]): New targets.
9287         (split_i386_[1234r].stdout): New targets.
9288         (split_x86_64_[1234n].o): New targets.
9289         (split_x86_64_[124]): New targets.
9290         (split_x86_64_[1234r].stdout): New targets.
9291         (MOSTLYCLEANFILES): Add new executables.
9292         * testsuite/split_i386.sh: New file.
9293         * testsuite/split_x86_64.sh: New file.
9294         * testsuite/split_i386_1.s: New file.
9295         * testsuite/split_i386_2.s: New file.
9296         * testsuite/split_i386_3.s: New file.
9297         * testsuite/split_i386_4.s: New file.
9298         * testsuite/split_i386_n.s: New file.
9299         * testsuite/split_x86_64_1.s: New file.
9300         * testsuite/split_x86_64_2.s: New file.
9301         * testsuite/split_x86_64_3.s: New file.
9302         * testsuite/split_x86_64_4.s: New file.
9303         * testsuite/split_x86_64_n.s: New file.
9304         * testsuite/testfile.cc (Target_test): Update relocation_section
9305         function.
9306         * testsuite/Makefile.in: Rebuild.
9307
9308 2009-10-06  Ian Lance Taylor  <iant@google.com>
9309
9310         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
9311         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
9312         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9313         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9314         the address on ldo_addrs_.
9315         (Target_i386::Relocate::fix_up_ldo): New function.
9316
9317 2009-10-06   Rafael Espindola  <espindola@google.com>
9318
9319         * plugin.cc (add_input_library): New.
9320         (Plugin::load): Add add_input_library to tv.
9321         (Plugin_manager::add_input_file): Add the is_lib argument.
9322         (add_input_file): Update call to Plugin_manager::add_input_file.
9323         (add_input_library): New.
9324         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
9325
9326 2009-09-30  Doug Kwan  <dougkwan@google.com>
9327
9328         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9329         symbol and call Symbol::may_need_copy_reloc to determine if
9330         a copy reloc is needed.
9331         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9332         nocopyreloc is given in command line.
9333         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9334         given in command line.
9335         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9336         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9337         of the removed Target_i386::may_need_copy_reloc.
9338         * options.h (copyreloc): New option with default value false.
9339         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9340         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9341         instead of the removed Target_powerpc::may_need_copy_reloc.
9342         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9343         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9344         instead of the removed Target_sparc::may_need_copy_reloc.
9345         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9346         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9347         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9348         instead of the removed Target_x86_64::may_need_copy_reloc.
9349
9350 2009-09-30  Ian Lance Taylor  <iant@google.com>
9351
9352         * object.h (class Object): Remove target_ field, and target,
9353         sized_target, and set_target methods.
9354         (Object::sized_target): Remove.
9355         (class Sized_relobj): Update declarations.  Remove sized_target.
9356         * object.cc (Sized_relobj::setup): Remove target parameter.
9357         Change all callers.
9358         (Input_objects::add_object): Don't do anything with the target.
9359         (make_elf_sized_object): Add punconfigured parameter.  Change all
9360         callers.  Set or test parameter target.
9361         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9362         Change all callers.
9363         * parameters.cc (Parameters::set_target): Change parameter type to
9364         be non-const.
9365         (Parameters::default_target): Remove.
9366         (set_parameters_target): Change parameter type to be non-const.
9367         (parameters_force_valid_target): New function.
9368         (parameters_clear_target): New function.
9369         * parameters.h (class Parameters): Update declarations.  Remove
9370         default_target method.  Add sized_target and clear_target
9371         methods.  Change target_ to be non-const.
9372         (set_parameters_target): Update declaration.
9373         (parameters_force_valid_target): Declare.
9374         (parameters_clear_target): Declare.
9375         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9376         as NULL if we aren't searching.
9377         (Add_symbols::run): Don't check for compatible target.
9378         * fileread.cc (Input_file::open_binary): Call
9379         parameters_force_valid_target.
9380         * gold.cc (queue_middle_tasks): Likewise.
9381         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9382         set_target on object.
9383         * dynobj.h (class Sized_dynobj): Update declarations.
9384         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9385         make_elf_object returns NULL.
9386         (Archive::include_member): Don't check whether object target is
9387         compatible.
9388         * output.cc (Output_section::add_input_section): Get target from
9389         parameters.
9390         (Output_section::relax_input_section): Likewise.
9391         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9392         parameters.
9393         (Sized_relobj::do_scan_relocs): Likewise.
9394         (Sized_relobj::relocate_sections): Likewise.
9395         * resolve.cc (Symbol_table::resolve): Likewise.
9396         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9397         parameter.  Change all callers.
9398         (Symbol_table::add_from_object): Get target from parameters.
9399         (Symbol_table::add_from_relobj): Don't check object target.
9400         (Symbol_table::add_from_dynobj): Likewise.
9401         (Symbol_table::define_special_symbol): Get target from
9402         parameters.
9403         * symtab.h (class Symbol_table): Update declaration.
9404         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9405         parameter.  Change all callers.  Clear parameter target.
9406         (Binary_test): Test target here.
9407         * testsuite/object_unittest.cc (gold_testsuite): Remove
9408         target_test_pointer parameter.  Change all callers.
9409         (Object_test): Test target here.
9410
9411 2009-09-26  Ian Lance Taylor  <iant@google.com>
9412
9413         * testsuite/initpri1.c: Don't try to use constructor priorities if
9414         compiling with gcc before 4.3.
9415
9416 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9417
9418         * testsuite/retain_symbols_file_test.sh (check_present): Change
9419         output file name to retain_symbols_file_test.stdout.
9420         (check_absent): Likewise.
9421
9422 2009-09-18  Craig Silverstein  <csilvers@google.com>
9423
9424         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9425         * options.cc: Include <cerrno> and <fstream>.
9426         (General_options::finalize): Parse -retain-symbols-file tag.
9427         * options.h: New flag.
9428         (General_options): New method should_retain_symbol, new
9429         variable symbols_to_retain.
9430         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9431         should_retain_symbol map.
9432         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9433         * testsuite/Makefile.in: Regenerate.
9434         * testsuite/retain_symbols_file_test.sh: New file.
9435
9436 2009-09-18  Nick Clifton  <nickc@redhat.com>
9437
9438         * po/es.po: Updated Spanish translation.
9439
9440 2009-09-17  Doug Kwan  <dougkwan@google.com>
9441
9442         * debug.h (DEBUG_RELAXATION): New constant.
9443         (DEBUG_ALL): Add DEBUG_RELAXATION.
9444         (debug_string_to_enum): Add relaxation debug option.
9445         * layout.cc
9446         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
9447         Layout::Relaxation_debug_check::read_sections,
9448         Layout::Relaxation_debug_check::read_sections): New method definitions.
9449         (Layout::Layout): Initialize data members
9450         record_output_section_data_from_scrips_,
9451         script_output_section_data_list_ and relaxation_debug_check_.
9452         (Layout::save_segments, Layout::restore_segments,
9453         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9454         Layout::relaxation_loop_body): New method definitions.
9455         (Layout::finalize): Support relaxation.  Move section layout code to
9456         Layout::relaxation_loop_body.
9457         (Layout::set_asection_address_from_script): Move code for orphan
9458         section placement out.
9459         (Layout::place_orphan_sections_in_script): New method definition.
9460         * layout.h (Output_segment_headers, Output_file_header):
9461         New forward class declarations.
9462         (Layout::~Layout): Define.
9463         (Layout::new_output_section_data_from_script): New method definition.
9464         (Layout::place_orphan_sections_in_script): New method declaration.
9465         (Layout::Segment_states): New type declaration.
9466         (Layout::save_segments, Layout::restore_segments,
9467         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9468         Layout::relaxation_loop_body): New method declarations.
9469         (Layout::Output_section_data_list): New type declaration.
9470         (Layout::Relaxation_debug_check): New class definition.
9471         (Layout::record_output_section_data_from_script_,
9472         Layout::script_output_section_data_list_, Layout::segment_states_,
9473         Layout::relaxation_debug_check_): New data members.
9474         * output.cc: (Output_section_headers::do_size): New method definition.
9475         (Output_section_headers::Output_section_headers): Move size
9476         computation to Output_section_headers::do_size.
9477         (Output_segment_headers::do_size): New method definition.
9478         (Output_file_header::Output_file_header): Move size computation to
9479         Output_file_header::do_size and call it.
9480         (Output_file_header::do_size): New method definition.
9481         (Output_data_group::Output_data_group): Adjust call to
9482         Output_section_data.
9483         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
9484         (Output_symtab_xindex::do_write): Add array bound check.
9485         (Output_section::Input_section::print_to_mapfile): Handle
9486         RELAXED_INPUT_SECTION_CODE.
9487         (Output_section::Output_section): Initialize data member checkpoint_.
9488         (Output_section::~Output_section): Delete checkpoint object pointed
9489         by checkpoint_.
9490         (Output_section::add_input_section): Always add an Input_section if
9491         relaxing.
9492         (Output_section::add_merge_input_section): Add assert.
9493         (Output_section::relax_input_section): New method definition.
9494         (Output_section::set_final_data_size): Set load address to zero for
9495         an unallocated section.
9496         (Output_section::do_address_and_file_offset_have_reset_values):
9497         New method definition.
9498         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
9499         Handle relaxed input section.
9500         (Output_section::sort_attached_input_sections): Checkpoint input
9501         section list lazily.
9502         (Output_section::get_input_sections): Change type of input_sections to
9503         list of Simple_input_section pointers.  Checkpoint input section list
9504         lazily.  Also handle relaxed input sections.
9505         (Output_section::add_input_section_for_script): Take a reference to
9506         a Simple_input_section object instead of Relobj pointer and section
9507         index as parameter.  Handle relaxed input sections.
9508         (Output_section::save_states, Output_section::restore_states): New
9509         method definitions.
9510         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
9511         (Output_data::is_data_size_fixed): New method definition.
9512         (Output_data::reset_addresss_and_file_offset): Do not reset data size
9513         if it is fixed.
9514         (Output_data::address_and_file_offset_have_reset_values): New method
9515         definition.
9516         (Output_data::do_address_and_file_offset_have_reset_values): New method
9517         definition.
9518         (Output_data::set_data_size): Check that data size is not fixed.
9519         (Output_data::fix_data_size): New method definition.
9520         (Output_data::is_data_size_fixed_): New data member.
9521         (Output_section_headers::set_final_data_size): New method definition.
9522         (Output_section_headers::do_size): New method declaration.
9523         (Output_segment_headers::set_final_data_size): New method definition.
9524         (Output_segment_headers::do_size): New method declaration.
9525         (Output_file_header::set_final_data_size)::New method definition.
9526         (Output_file_header::do_size)::New method declaration.
9527         (Output_section_data::Output_section_data): Add new parameter
9528         is_data_size_fixed and use it to fix data size.
9529         (Output_data_const::Output_data_const): Adjust call to base class
9530         constructor and fix data size.
9531         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
9532         base class constructor and fix data size.
9533         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
9534         base class constructor and fix data size.
9535         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
9536         class constructor and fix data size.
9537         (Output_data_group::set_final_data_size): New method definition.
9538         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
9539         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
9540         class constructor and fix data size.
9541         (Output_relaxed_input_section): New class definition.
9542         (Output_section::Simple_input_section): New class definition.
9543         (Output_section::get_input_sections): Adjust parameter list.
9544         (Output_section::add_input_section_for_script): Same.
9545         (Output_section::save_states, Output_section::restore_states,
9546         Output_section::do_address_and_file_offset_have_reset_values,
9547         (Output_section::Input_section::Input_section): Handle
9548         RELAXED_INPUT_SECTION_CODE.  Add new overload for
9549         Output_relaxed_input_section.
9550         (Output_section::Input_section::is_input_section,
9551         Output_section::Input_section::set_output_section): Handle relaxed
9552         input section.
9553         (Output_section::Input_section::is_relaxed_input_section,
9554         Output_section::Input_section::output_section_data,
9555         Output_section::Input_section::relaxed_input_section): New method
9556         definitions.
9557         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
9558         value.
9559         (Output_section::Input_section::u1_): Update comments.
9560         (Output_section::Input_section::u2_): Add new union member poris.
9561         (Output_section::Checkpoint_output_section): New classs definition.
9562         (Output_section::relax_input_section): New method declaration.
9563         (Output_section::checkpoint_): New data member.
9564         (Output_segment): Update comments.
9565         (Output_segment::Output_segment): Un-privatize copy constructor.
9566         (Output_segment::operator=): Un-privatize.
9567         * script-sections.cc (Output_section_element::Input_section_list):
9568         Change element type to Output_section::Simple_input_section.
9569         (Output_section_element_dot_assignment::set_section_addresses):
9570         Register output section data for relaxation clean up.
9571         (Output_data_exression::Output_data_expression): Adjust call to base
9572         constructor to fix data size.
9573         (Output_section_element_data::set_section_addresses): Register
9574         Output_data_expression object for relaxation clean up.
9575         (struct Input_section_info): Replace Relobj pointer and section index
9576         pair with Output_section::Simple_input_section and Convert struct to a
9577         class.
9578         (Input_section_sorter::operator()): Adjust access to
9579         Input_section_info data member to use accessors.
9580         (Output_section_element_input::set_section_addresses): Use layout
9581         parameter.  Adjust code to use Output_section::Simple_input_section
9582         and Input_secction_info classes.  Register filler for relaxation
9583         clean up.
9584         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
9585         and section index pair with Output_section::Simple_input_section
9586         class.  Adjust code accordingly.
9587         (Phdrs_element::release_segment): New method definition.
9588         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
9589         segment list.
9590         (Script_sections::release_segments): New method definition.
9591         * gold/script-sections.h (Script_sections::release_segments): New
9592         method declaration.
9593         * gold/target.h (Target::may_relax, Target::relax,
9594         Target::do_may_relax, Target::do_relax): New method definitions.
9595
9596 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9597
9598         * arm.cc (has_signed_unsigned_overflow): New function.
9599         (Arm_relocate_functions::abs8): New function.
9600         (Target_arm::Scan::local): Handle R_ARM_ABS8.
9601         (Target_arm::Scan::global): Likewise.
9602         (Target_arm::relocate::relocate): Likewise.
9603         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9604         Likewise.
9605
9606 2009-09-16  Cary Coutant  <ccoutant@google.com>
9607
9608         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
9609         * testsuite/Makefile.in: Regenerate.
9610
9611 2009-09-11  Nick Clifton  <nickc@redhat.com>
9612
9613         * po/gold.pot: Updated by the Translation project.
9614
9615 2009-09-08  Cary Coutant  <ccoutant@google.com>
9616
9617         * output.cc (Output_file::open): Add execute permission to empty file.
9618         * testsuite/Makefile.am (permission_test): New test.
9619         * testsuite/Makefile.in: Regenerate.
9620
9621 2009-09-02  Ian Lance Taylor  <iant@google.com>
9622
9623         * output.cc (Output_file::resize): Call map_no_anonymous rather
9624         than map.
9625
9626 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
9627
9628         * gold.cc: Include "incremental.h".
9629         (queue_initial_tasks): Call Incremental_checker methods.
9630         * incremental.cc: Include "output.h".
9631         (Incremental_checker::can_incrementally_link_output_file): New
9632         method.
9633         * incremental.h (Incremental_checker): New class.
9634
9635         * output.cc (Output_file::open_for_modification): New method.
9636         (Output_file::map_anonymous): Changed return type to bool.  Record
9637         map in base_ field.
9638         (Output_file::map_no_anonymous): New method, broken out of map.
9639         (Output_file::map): Use map_no_anonymous and map_anonymous.
9640         * output.h (class Output_file): Update declarations.
9641
9642 2009-08-24  Cary Coutant  <ccoutant@google.com>
9643
9644         * options.h (Command_line::Pre_options): New class.
9645         (Command_line::pre_options): New member.
9646         * options.cc (gold::options::ready_to_register): New variable.
9647         (One_option::register_option): Do nothing if not registering options.
9648         Assert if same short option registered twice.
9649         (General_options::General_options): Turn off option registration when
9650         done constructing.
9651         (Command_line::Pre_options::Pre_options): New constructor.
9652
9653 2009-08-24  Cary Coutant  <ccoutant@google.com>
9654
9655         * options.h (General_options::no_keep_memory): Remove incorrect
9656         short option.
9657
9658 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9659
9660         * Makefile.am (am__skiplex, am__skipyacc): New.
9661         * Makefile.in: Regenerate.
9662
9663 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9664
9665         * Makefile.am (AM_CPPFLAGS): Renamed from ...
9666         (INCLUDES): ... this.
9667         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
9668         (AM_CPPFLAGS): Renamed from ...
9669         (INCLUDE): ... this.
9670         * Makefile.in, testsuite/Makefile.in: Regenerate.
9671
9672         * Makefile.in: Regenerate.
9673         * aclocal.m4: Likewise.
9674         * config.in: Likewise.
9675         * configure: Likewise.
9676         * testsuite/Makefile.in: Likewise.
9677
9678         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9679         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9680         * Makefile.in: Regenerate.
9681         * testsuite/Makefile.in: Regenerate.
9682
9683 2009-08-19  Cary Coutant  <ccoutant@google.com>
9684
9685         * resolve.cc (Symbol_table::resolve): Don't complain about defined
9686         symbols in shared libraries overridden by hidden or internal symbols
9687         in the main program.
9688
9689 2009-08-19  Chris Demetriou  <cgd@google.com>
9690
9691         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
9692         checking source file names in error messages.
9693
9694 2009-08-18  Doug Kwan  <dougkwan@google.com>
9695
9696         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
9697         an elcpp::Ehdr as parameter.  Adjust call to set_target.
9698         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
9699         an elfcpp::Ehdr as parameter.
9700         * object.cc (Object::set_target): Remove the version that looks up
9701         a target and sets it.
9702         (Sized_relobj::setup): Take a Target object instead of
9703         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
9704         (make_elf_sized_object): Find target and ask target to
9705         make an ELF object.
9706         * object.h: (Object::set_target): Remove the version that looks up
9707         a target and sets it.
9708         (Sized_relobj::setup): Take a Target object instead of
9709         an elfcpp:Ehdr as parameter.
9710         * target.cc: Include dynobj.h.
9711         (Target::do_make_elf_object_implementation): New.
9712         (Target::do_make_elf_object): New.
9713         * target.h (Target::make_elf_object): New template declaration.
9714         (Target::do_make_elf_object): New method declarations.
9715         (Target::do_make_elf_object_implementation): New template declaration.
9716
9717 2009-08-14  Ian Lance Taylor  <iant@google.com>
9718
9719         * gold.h (FUNCTION_NAME): Define.
9720         (gold_unreachable): Use FUNCTION_NAME.
9721
9722 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9723
9724         * icf.cc (Icf::find_identical_sections): Issue a warning when a
9725         symbol in the --keep-unique list is not found.
9726
9727 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9728
9729         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
9730         been maked as --keep-unique.
9731         (Icf::unfold_section): New function.
9732         * icf.h (Icf::unfold_section): New function.
9733         * options.h (General_options::keep_unique): New option.
9734         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9735         * testsuite/Makefile.in: Regenerate.
9736         * testsuite/icf_keep_unique_test.sh: New file.
9737         * testsuite/icf_keep_unique_test.cc: New file.
9738
9739 2009-08-12  Cary Coutant  <ccoutant@google.com>
9740
9741         PR 10471
9742         * resolve.cc (Symbol_table::resolve): Check for references from
9743         dynamic objects to hidden and internal symbols.
9744         * testsuite/Makefile.am (hidden_test.sh): New test.
9745         * testsuite/Makefile.in: Regenerate.
9746         * testsuite/hidden_test.sh: New script.
9747         * testsuite/hidden_test_1.c: New test source.
9748         * testsuite/hidden_test_main.c: New test source.
9749
9750 2009-08-11  Doug Kwan  <dougkwan@google.com>
9751
9752         * arm.cc: Update comments.
9753         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9754         segment to locate the .ARM.exidx section if present.
9755
9756 2009-08-09  Doug Kwan  <dougkwan@google.com>
9757
9758         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9759         patch.
9760
9761 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9762         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9763         compiler warnings.
9764
9765 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9766
9767         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9768         valid tls_segment only for non-debug-section relocations.
9769         * testsuite/Makefile.am: Add gc_tls_test.
9770         * testsuite/Makefile.in: Regenerate.
9771         * testsuite/gc_tls_test.cc: New file.
9772         * testsuite/gc_tls_test.sh: New file.
9773
9774 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9775
9776         * icf.cc: New file.
9777         * icf.h: New file.
9778         * Makefile.am (CCFILES): Add icf.cc.
9779         (HFILES): Add icf.h
9780         * Makefile.in: Regenerate.
9781         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9782         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9783         section, symbol and addend information for the relocs.
9784         * gold.cc (queue_middle_tasks): Call identical code folding.
9785         * gold.h: Add defines for multimap.
9786         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9787         to the call of finalize_local_symbols.
9788         * main.cc (main): Create object of class Icf.
9789         * object.cc (Sized_relobj::do_layout): Allow this function to be
9790         called twice during icf.
9791         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9792         to sections marked as identical by icf.
9793         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9794         when available.
9795         (Sized_relobj::do_section_entsize): New function.
9796         * object.h (Object::section_entsize): New function.
9797         (Object::do_section_entsize): New pure virtual function.
9798         (Relobj::finalize_local_symbols): Add new parameter.
9799         (Relobj::do_section_entsize): New function.
9800         * options.h (General_options::icf): New option.
9801         (General_options::icf_iterations): New option.
9802         (General_options::print_icf_sections): New option.
9803         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9804         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9805         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9806         icf.
9807         * symtab.cc (Symbol_table::is_section_folded): New function.
9808         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9809         to sections marked as identical by icf.
9810         * symtab.h (Symbol_table::set_icf): New function.
9811         (Symbol_table::icf): New function.
9812         (Symbol_table::is_section_folded): New function.
9813         (Symbol_table::icf_): New data member.
9814         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9815         * testsuite/Makefile.am: Add commands to build icf_test.
9816         * testsuite/Makefile.in: Regenerate.
9817         * testsuite/icf_test.sh: New file.
9818         * testsuite/icf_test.cc: New file.
9819
9820 2009-07-24  Chris Demetriou  <cgd@google.com>
9821
9822         * layout.cc (is_compressible_debug_section): Fix incorrect
9823         comment about compressed section names.
9824
9825 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9826
9827         PR 10419
9828         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9829
9830 2009-07-16  Ian Lance Taylor  <iant@google.com>
9831
9832         PR 10400
9833         * layout.h: #include <map>.
9834         (class Kept_section): Change from struct to class.  Add accessors
9835         and setters.  Add section size to Comdat_group mapping.  Change
9836         Comdat_group to std::map.  Add is_comdat_ field.  Add
9837         linkonce_size field in union.
9838         (class Layout): Update declaration of find_or_add_kept_section.
9839         Don't declare find_kept_object.
9840         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9841         parameter.  Add object, shndx, is_comdat, and is_group_name
9842         parameters.  Change all callers.  Adjust for new Kept_section.
9843         (Layout::find_kept_object): Remove.
9844         * object.cc (Sized_relobj::include_section_group): Update use of
9845         Kept_section.  Rename secnum to shndx.  Only record
9846         Kept_comdat_section if sections are the same size.
9847         (Sized_relobj::include_linkonce_section): Update use of
9848         Kept_section.  Only record Kept_comdat_section if sections are the
9849         same size.  Set size of linkonce section.
9850         (Sized_relobj::map_to_kept_section): Update call to
9851         get_kept_comdat_section.
9852         * object.h (class Sized_relobj): Rename fields in
9853         Kept_comdat_section to drop trailing underscores; change object
9854         field to Relobj*.  Change Kept_comdat_section_table to store
9855         struct rather than pointer.
9856         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9857         Add kept_object and kept_shndx parameters.  Change all callers.
9858         (Sized_relobj::get_kept_comdat_section): Change return type to
9859         bool.  Add kept_object and kept_shndx parameters.  Change all
9860         callers.
9861         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9862         Layout::find_or_add_kept_section.
9863
9864 2009-07-09  Ian Lance Taylor  <iant@google.com>
9865
9866         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9867         Reserve space in the hash table.
9868
9869 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9870
9871         * fileread.cc (File_read::get_mtime): New method.
9872         * fileread.h (Timespec): New structure.
9873         (File_read::get_mtime): New method.
9874         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9875         Renamed from timestamp_nsec.
9876         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9877         Elf_Xword.
9878         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9879         timestamp_nsec.
9880         (Incremental_inputs::report_archive): Save mtime; style fix.
9881         (Incremental_inputs::report_obejct): Save mtime; style fix.
9882         (Incremental_inputs::report_script): Save mtime; style fix.
9883         (Incremental_inputs::finalize_inputs): Style fix.
9884         (Incremental_inputs::finalize): Style fix.
9885         (Incremental_inputs::create_input_section_data): Store inputs
9886         mtime.
9887         * incremental.h (Incremental_inputs::report_script): Add mtime
9888         argument.
9889         (Incremental_inputs::Input_info::Input_info): Intialize only one
9890         union member.
9891         (Incremental_inputs::Input_info::archive): Move to nameless
9892         union.
9893         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9894         (Incremental_inputs::Input_info::script): Move to nameless union.
9895         (Incremental_inputs::mtime): New field.
9896         * script.cc (read_input_script): Pass file mtime to
9897         Incremental_input.
9898         * script.h (Script_info::inputs): Style fix.
9899
9900 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9901
9902         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9903         instead of 32.
9904
9905 2009-06-24  Ian Lance Taylor  <iant@google.com>
9906
9907         PR 10156
9908         * layout.cc (Layout::choose_output_section): If we find an
9909         existing section, update the flags.
9910         (Layout::create_notes): New function, broken out of
9911         Layout::finalize.
9912         (Layout::finalize): Don't create note sections.
9913         (Layout::create_note): Don't crash if linker script discards
9914         section.
9915         (Layout::create_gold_note): Likewise.
9916         (Layout::create_build_id): Likewise.  Don't set
9917         after_input_sections on the section.
9918         (Layout::create_executable_stack_info): Remove target parameter.
9919         Change caller.
9920         * layout.h (class Layout): Declare create_notes.  Update
9921         declaration of create_executable_stack_info.
9922         * gold.cc (queue_middle_tasks): Call create_notes.
9923         * output.cc (Output_section::update_flags_for_input_section): Move
9924         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9925         invalid.
9926         * output.h (Output_data::mark_address_invalid): New function.
9927         (class Output_section): Only declare, not define,
9928         update_flags_for_input_section.  Remove set_flags.
9929
9930 2009-06-24  Ian Lance Taylor  <iant@google.com>
9931
9932         * script-sections.cc (Output_section_definition::
9933         set_section_addresses): Rename shadowing local load_address to
9934         laddr.
9935
9936 2009-06-24  Ian Lance Taylor  <iant@google.com>
9937
9938         PR 10244
9939         * reloc.cc (relocate_sections): Skip empty relocation sections.
9940
9941 2009-06-23  Ian Lance Taylor  <iant@google.com>
9942
9943         PR 10156
9944         * layout.cc (Layout::create_note): Use choose_output_section
9945         rather than make_output_section.
9946
9947 2009-06-23  Ian Lance Taylor  <iant@google.com>
9948
9949         PR 10237
9950         * options.cc (General_options::parse_V): Set printed_version_.
9951         (General_options::General_options): Initialize printed_version_.
9952         * options.h (class General_options): Add printed_version_ field.
9953         * gold.cc (queue_initial_tasks): If there are no input files,
9954         don't give a fatal error if we printed the version information.
9955         (queue_middle_tasks): If using -r with a shared object, give a
9956         fatal error rather than an ordinary error.
9957
9958 2009-06-23  Ian Lance Taylor  <iant@google.com>
9959
9960         PR 10219
9961         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9962         (Layout::make_output_section): Set have_stabstr_section_ if we see
9963         a .stab*str section.
9964         (Layout::finalize): Call link_stabs_sections.
9965         (Layout::link_stabs_sections): New file.
9966         * layout.h (class Layout): Add have_stabstr_section_ field.
9967         Declare link_stabs_sections.
9968
9969 2009-06-23  Doug Kwan  <dougkwan@google.com>
9970
9971         * Makefile.am (libgold_a_LIBADD): New.
9972         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9973         * Makefile.in: Regenerate.
9974         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9975         * configure: Regenerate.
9976         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9977         * fileread.cc: Include sys/state.h
9978         * gold.h: Declare memmem and strndup if found missing.
9979         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9980
9981 2009-06-23  Ian Lance Taylor  <iant@google.com>
9982
9983         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9984         * configure: Rebuild.
9985
9986 2009-06-23  Ian Lance Taylor  <iant@google.com>
9987
9988         PR 10147
9989         * object.cc (Object::section_contents): Don't try to get a view if
9990         the section has length zero.
9991         (Object::handle_gnu_warning_section): If the section is empty, use
9992         the name of the section as the warning.
9993
9994 2009-06-23  Ian Lance Taylor  <iant@google.com>
9995
9996         PR 10133
9997         * stringpool.h (class Stringpool_template): Add optimize_ field.
9998         (Stringpool_template::set_optimize): New function.
9999         * stringpool.cc (Stringpool_template::Stringpool_template):
10000         Initialize optimize_ field.
10001         (Stringpool_template::set_string_offsets): Test local optimize
10002         fild rather than parameter.
10003         * layout.cc (Layout::Layout): Call set_optimize on the section
10004         name stringpool.
10005
10006 2009-06-22  Ian Lance Taylor  <iant@google.com>
10007
10008         PR 10030
10009         * yyscript.y: Parse TARGET.
10010         * script.cc (script_set_target): New function.
10011         * script-c.h (script_set_target): Declare.
10012         * options.cc (General_options::string_to_object_format): Rename
10013         from string_to_object_format in anonymous namespace.  Change
10014         callers.
10015         * options.h (class General_options): Declare
10016         string_to_object_format.
10017
10018 2009-06-22  Ian Lance Taylor  <iant@google.com>
10019
10020         * script-sections.cc (Script_sections::create_segments): Don't put
10021         program headers in a PT_LOAD segment if -n or -N.
10022
10023 2009-06-22  Ian Lance Taylor  <iant@google.com>
10024
10025         PR 10141
10026         * options.h (class General_options): Add -z lazy and -z now.  Sort
10027         -z options into alphabetical order.
10028         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
10029
10030 2009-06-21  Ian Lance Taylor  <iant@google.com>
10031
10032         * layout.cc (Layout::make_output_section): Call
10033         Target::new_output_section.
10034         (Layout::attach_allocated_section_to_segment): Put large section
10035         sections in a separate load segment with the large segment flag
10036         set.
10037         (Layout::segment_precedes): Sort large data segments after other
10038         load segments.
10039         (align_file_offset): New static function.
10040         (Layout::set_segment_offsets): Use align_file_offset.
10041         * output.h (class Output_section): Add is_small_section_ and
10042         is_large_section_ fields.
10043         (Output_section::is_small_section): New function.
10044         (Output_section::set_is_small_section):  New function.
10045         (Output_section::is_large_section): New function.
10046         (Output_section::set_is_large_section): New function.
10047         (Output_section::is_large_data_section): New function.
10048         (class Output_segment): Add is_large_data_segment_ field.
10049         (Output_segment::is_large_data_segment): New function.
10050         (Output_segment::set_is_large_data_segment): New function.
10051         * output.cc (Output_section::Output_section): Initialize new
10052         fields.
10053         (Output_segment::Output_segment): Likewise.
10054         (Output_segment::add_output_section): Add assertion that large
10055         data sections always go in large data segments.  Force small data
10056         sections to the end of the list of data sections.  Force small BSS
10057         sections to the start of the list of BSS sections.  For large BSS
10058         sections to the end of the list of BSS sections.
10059         * symtab.h (class Symbol): Declare is_common_shndx.
10060         (Symbol::is_defined): Check Symbol::is_common_shndx.
10061         (Symbol::is_common): Likewise.
10062         (class Symbol_table): Define enum Commons_section_type.  Update
10063         declarations.  Add small_commons_ and large_commons_ fields.
10064         * symtab.cc (Symbol::is_common_shndx): New function.
10065         (Symbol_table::Symbol_table): Initialize new fields.
10066         (Symbol_table::add_from_object): Put small and large common
10067         symbols in the right list.
10068         (Symbol_table::sized_finalized_symbol): Check
10069         Symbol::is_common_shndx.
10070         (Symbol_table::sized_write_globals): Likewise.
10071         * common.cc (Symbol_table::do_allocate_commons): Allocate new
10072         common symbol lists.  Don't call do_allocate_commons_list if the
10073         list is empty.
10074         (Symbol_table::do_allocate_commons_list): Remove is_tls
10075         parameter.  Add comons_section_type parameter.  Change all
10076         callers.  Handle small and large common symbols.
10077         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
10078         Symbol::is_common_shndx.
10079         * resolve.cc (symbol_to_bits): Likewise.
10080         * target.h (Target::small_common_shndx): New function.
10081         (Target::small_common_section_flags): New function.
10082         (Target::large_common_shndx): New function.
10083         (Target::large_common_section_flags): New function.
10084         (Target::new_output_section): New function.
10085         (Target::Target_info): Add small_common_shndx, large_common_shndx,
10086         small_common_section_flags, and large_common_section_flags
10087         fields.
10088         (Target::do_new_output_section): New virtual function.
10089         * arm.cc (Target_arm::arm_info): Initialize new fields.
10090         * i386.cc (Target_i386::i386_info): Likewise.
10091         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
10092         Likewise.
10093         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
10094         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10095         (Target_x86_64::do_new_output_section): New function.
10096         * configure.ac: Define conditional MCMODEL_MEDIUM.
10097         * testsuite/Makefile.am (check_PROGRAMS): Add large.
10098         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
10099         (large_LDFLAGS): Define.
10100         * testsuite/large.c: New file.
10101         * testsuite/testfile.cc (Target_test::test_target_info):
10102         Initialize new fields.
10103         * configure, testsuite/Makefile.in: Rebuild.
10104
10105 2009-06-05  Doug Kwan  <dougkwan@google.com>
10106
10107         * Makefile.am (CCFILES): Add target.cc.
10108         * Makefile.in: Regenerate.
10109         * i386.cc (class Target_i386): Define new virtual method to
10110         override do_is_local_label_name in parent.
10111         * object.cc (Sized_relobj::do_count_local_symbols): Discard
10112         local symbols if --discard-locals or -X is given.
10113         * options.h (class General_options): Declare new options
10114         '--discard-locals' and '-X' for discarding locals.
10115         * target.h (class Target): Define new methods is_local_label_name.
10116         Declare new virtual method do_is_local_label_name.
10117         * target.cc: New file.
10118         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
10119         (check_SCRIPTS): Add discard_locals_test.sh.
10120         (check_DATA): Add discard_local_tests.syms.
10121         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
10122         (discard_local_tests.syms, discard_locals_test.o): New make rules.
10123         * testsuite/Makefile.in: Regenerate.
10124         * testsuite/discard_locals_test.c: New file.
10125         * testsuite/discard_locals_test.sh: Same.
10126
10127 2009-06-05  Doug Kwan  <dougkwan@google.com>
10128
10129         * object.cc (Sized_relobj::Sized_relobj): Initialize
10130         discarded_eh_frame_shndx_ to -1U.
10131         (Sized_relobj::do_layout): Record index of a discard .eh_frame
10132         section.
10133         (Sized_relobj::do_count_local_symbols): Skip local symbols in
10134         a discarded .eh_frame section.
10135         (Sized_relobj::do_finalize_local_symbols): Ditto.
10136         * object.h (class Sized_relobj): Declare new member
10137         discarded_eh_frame_shndx_.
10138         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
10139         (local_labels_test.o, local_labels_test): New rules.
10140         * testsuite/Makefile.in: Regenerate.
10141
10142 2009-06-04  Doug Kwan  <dougkwan@google.com>
10143
10144         * layout.cc (Layout::section_name_mapping): Add mapping for
10145         special ARM sections.
10146
10147 2009-06-03  Doug Kwan  <dougkwan@google.com>
10148
10149         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
10150         (utils::has_overflow): Same.
10151
10152 2009-06-03  Ian Lance Taylor  <iant@google.com>
10153
10154         * layout.cc (Layout::section_name_mapping): New array, replacing
10155         Layout::linkonce_mapping.
10156         (Layout::section_name_mapping_count): New variable, replacing
10157         Layout::linkonce_mapping_count.
10158         (Layout::linkonce_output_name): Remove.
10159         (Layout::output_section_name): Rewrite.
10160         * layout.h (class Layout): Rename Linkonce_mapping to
10161         Section_name_mapping, linkonce_mapping to section_name_mapping,
10162         linkonce_mapping_count to section_name_mapping_count.  Don't
10163         declare linkonce_output_name.
10164
10165 2009-06-03  Doug Kwan  <dougkwan@google.com>
10166
10167         * gold/arm.cc (namespace utils): New.
10168         (Target_arm::reloc_is_non_pic): Define new method.
10169         (class Arm_relocate_functions): New.
10170         (Target_arm::Relocate::relocate): Handle relocation types used by
10171         Android.
10172
10173 2009-06-03  Ian Lance Taylor  <iant@google.com>
10174
10175         * arm.cc (Target_arm::scan::global): Use || instead of |.
10176
10177 2009-06-02  Doug Kwan  <dougkwan@google.com>
10178
10179         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
10180         issued_non_pic_error_.
10181         (class Target_arm::Scan): Declare new method check_non_pic.
10182         Define new method symbol_needs_plt_entry.
10183         Declare new data member issued_non_pic_error_.
10184         (class Target_arm::Relocate): Declare new method
10185         should_apply_static_reloc.
10186         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
10187         (Target_arm::Scan::check_non_pic): Define new method.
10188         (Target_arm::Scan::local): Handle a small subset of reloc types used
10189         by Android.
10190         (Target_arm::Scan::local): Same.
10191         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
10192
10193 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
10194
10195         * incremental.cc (Incremental_inputs::report_command_line): Filter
10196         out --incremental-* options.
10197
10198 2009-05-29  Doug Kwan  <dougkwan@google.com>
10199
10200         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
10201         template class.
10202         (class Target_arm): Update comment.
10203         (Target_arm::Target_arm): Initialize new data members GOT_,
10204         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
10205         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
10206         and Target_arm::rel_dyn_section.
10207         Declare new_enum Target_arm::Got_type.
10208         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
10209         and DYNBSS_.
10210         Update commments for member do_dynsym_value.
10211         (Target_arm::got_size, Target_arm::plt_section,
10212         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
10213         new methods inside class defintion.
10214         (Target_arm::got_section): Define new method.
10215         (Target_arm::rel_dyn_section): Same.
10216         (Output_data_plt_arm): New template class.
10217         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
10218         (Output_data_plt_arm:do_adjust_output_section): Define new method.
10219         (Output_data_plt_arm::add_entry): Same.
10220         (Output_data_plt_arm::first_plt_entry): Define new
10221         static data member for PLT instruction template.
10222         (Output_data_plt_arm::plt_entry): Same.
10223         (Output_data_plt_arm::do_write): Define new method.
10224         (Target_arm::make_plt_entry): Same.
10225         (Target_arm::do_finalize_sections): Same.
10226         (Target_arm::do_dynsym_value): Same.
10227
10228 2009-05-28  Doug Kwan  <dougkwan@google.com>
10229
10230         * Makefile.am (TARGETSOURCES): Add arm.cc.
10231         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
10232         * Makefile.in: Regenerate.
10233         * arm.cc: New file.
10234         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
10235
10236 2009-05-26  Doug Kwan  <dougkwan@google.com>
10237
10238         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
10239         (General_options::check_excluded_libs): Strip off directories in
10240         archive name before matching like GNU ld does.
10241         * testsuite/Makefile.am (MOSTLYCLEANFILES,
10242         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
10243         (exclude_libs_test_LDFLAGS): Add linker option
10244         -Wl,--exclude-libs,libexclude_libs_test_3
10245         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
10246         an explicit archive without using -l.
10247         (alt/libexclude_libs_test_3.a): New make rule.
10248         * testsuite/Makefile.in: Regenerate.
10249         * testsuite/exclude_libs_test.c : Declare lib3_default().
10250         (main): Call it.
10251         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
10252         * exclude_libs_test_3.c: New file.
10253
10254 2009-05-26  Nick Clifton  <nickc@redhat.com>
10255
10256         * po/id.po: New Indonesian translation.
10257         * po/gold.pot: Updated template file.
10258
10259 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
10260
10261         * testsuite/Makefile.am: Add -ffunction-sections to compile
10262         gc_comdat_test files.  Add -Wl,--gc-sections to build
10263         gc_comdat_test.
10264         * testsuite/Makefile.in: Regenerate.
10265         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
10266
10267 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
10268
10269         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
10270         kept comdat section was garbage collected.
10271         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
10272         * testsuite/Makefile.in: Regenerate.
10273         * testsuite/gc_comdat_test.sh: New file.
10274         * testsuite/gc_comdat_test_1.cc: New file.
10275         * testsuite/gc_comdat_test_2.cc: New file.
10276
10277 2009-05-19  Doug Kwan  <dougkwan@google.com>
10278
10279         * archive.cc (Archive::Archive): Move constructor from archive.h
10280         to here.  Initialize no_export_.
10281         (Archive::get_elf_object_for_member): Set no_export flag of object.
10282         * archive.h (Archive::Archive): Move constructor body to
10283         archive.cc.
10284         (Archive::no_export): New method.
10285         (Archive::no_export_): New field.
10286         * object.h (Object::Object): Initialize no_export_ to false.
10287         (Object::no_export, Object::set_no_export): New methods.
10288         (Object::no_export_): New field.
10289         * options.cc (General_options::parse_exclude_libs): New method.
10290         (General_options::check_excluded_libs) Same.
10291         * options.h (exclude_libs): New option.
10292         (General_options::check_excluded_libs): New method declaration.
10293         (General_options::excluded_libs_): New field.
10294         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
10295         default or protected visibility if an object has no-export flag set.
10296         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
10297         (check_SCRIPTS): Add exclude_libs_test.sh.
10298         (check_DATA): Add exclude_libs_test.syms.
10299         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
10300         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
10301         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
10302         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
10303         (exclude_libs_test.syms, libexclude_libs_test_1.a,
10304         libexclude_libs_test_2.a): New rules.
10305         * testsuite/Makefile.in: Regenerate.
10306         * testsuite/exclude_libs_test.c: New file.
10307         * testsuite/exclude_libs_test.sh: Ditto.
10308         * testsuite/exclude_libs_test_1.c: Ditto.
10309         * testsuite/exclude_libs_test_2.c: Ditto.
10310
10311 2009-05-15  Ian Lance Taylor  <iant@google.com>
10312
10313         * configure.ac: Check for declarations for cases where libiberty.h
10314         checks HAVE_DECL_xxx.
10315         * configure, config.in: Rebuild.
10316
10317 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
10318
10319         * gold.h (Incremental_argument_list): Remove (invalid) forward
10320         declaration.
10321         * incremental.cc (Incremental_inputs::report_achive): New method.
10322         (Incremental_inputs::report_object): New method.
10323         (Incremental_inputs::report_script): New method.
10324         (Incremental_inputs::finalize_inputs): New method.
10325         (Incremental_inputs::finalize): Call finalize_inputs().
10326         (Incremental_inputs::sized_create_incremental_inputs_section_data):
10327         Create inputs entries.
10328         * incremental.h (Incremental_input_type): New enum.
10329         (Incremental_inputs::Incremental_input): Initialize new fields.
10330         (Incremental_inputs::report_inputs): New method.
10331         (Incremental_inputs::report_achive): New method.
10332         (Incremental_inputs::report_object): New method.
10333         (Incremental_inputs::report_script): New method.
10334         (Incremental_inputs::finalize_inputs): New method.
10335         (Incremental_inputs::Input_info): New struct.
10336         (Incremental_inputs::Input_info_map): New typedef.
10337         (Incremental_inputs::lock_): New field.
10338         (Incremental_inputs::Inputs_): New field.
10339         (Incremental_inputs::Inputs_map): New field.
10340         * main.cc (main): Call Incremental_input::report_inputs.
10341         * options.h (Input_argument_list): Typedef moved from
10342         Input_arguments.
10343         (Input_file_group::Files): Remove, use ::Input_argument_list.
10344         (Input_file_group::Input_argument_list): Remove, use
10345         ::Input_argument_list.
10346         * plugin.cc (Plugin_manager::add_input_file): Add error in
10347         incremental build.
10348         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10349         functions.
10350         * script.cc (read_input_script): Call
10351         Incremental_input::report_script.
10352         * script.h (Script_info): New class.
10353
10354 2009-04-27  Ian Lance Taylor  <iant@google.com>
10355
10356         * x86_64.cc (do_adjust_output_section): Set entsize to
10357         plt_entry_size.
10358
10359 2009-04-23  Elliott Hughes  <enh@google.com>
10360
10361         * output.cc (Output_file::close): After short writes, continue
10362         writing from the correct offset in the buffer being written.
10363
10364 2009-04-23  Chris Demetriou  <cgd@google.com>
10365
10366         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10367         * configure: Regenerate.
10368         * config.in: Regenerate.
10369         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10370         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10371
10372 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10373
10374         * incremental.cc (Incremental_inputs_header_data): Renamed from
10375         Incremental_input_header_data.
10376         (Incremental_inputs_header_data::data_size): New field.
10377         (Incremental_inputs_header_data::put_input_file_count): Renamed
10378         from input_file_count.
10379         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10380         from command_line_offset.
10381         (Incremental_inputs_header_data::put_reserved): Renamed from
10382         put_reserved.
10383         (Incremental_inputs_entry_data): Renamed from
10384         Incremental_input_entry_data.
10385         (Incremental_inputs_entry_data::data_size): New field.
10386         (Incremental_inputs::report_command_line): New method.
10387         (Incremental_inputs::finalize): New method.
10388         (Incremental_inputs::create_incremental_inputs_data): New method.
10389         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10390         * incremental.h: New file.
10391         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10392         (Layout::finalize): Create incremental inputs section in
10393         incremental builds.
10394         (Layout::create_incremental_info_sections): New method.
10395         * layout.h (Layout::incremental_inputs): New method.
10396         (Layout::create_incremental_info_sections): New method.
10397         (Layout::incremental_inputs_): New field.
10398         * main.cc (main): Notify Incremental_input of the command line.
10399
10400 2009-04-01  Ian Lance Taylor  <iant@google.com>
10401             Mikolaj Zalewski  <mikolajz@google.com>
10402
10403         * gold.h (reserve_unordered_map): Define, three versions, one for
10404         each version of Unordered_map.
10405         * layout.cc (Layout::Layout): Remove options parameter.  Add
10406         number_of_input_files parameter.  Don't initialize options_.
10407         Initialize number_of_input_files_ and resized_signatures_.  Move
10408         sections_are_attached_.
10409         (Layout::layout_group): Reserve space for group_signatures_.
10410         (Layout::find_or_add_kept_section): Change name parameter to be a
10411         reference.  Resize signatures_ map when it gets large enough.
10412         (Layout::layout_eh_frame): Use parameters->options() instead of
10413         this->options_.
10414         (Layout::make_output_section): Likewise.
10415         (Layout::attach_allocated_section_to_segment): Likewise.
10416         (Layout::finalize, Layout::create_executable_stack): Likewise.
10417         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10418         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10419         * layout.h (class Layout): Update declarations.  Remove options_
10420         field.  Add number_of_input_files_ and resized_signatures_
10421         fields.  Move sections_are_attached_ field.
10422         * main.cc (main): Pass number of input files to Layout
10423         constructor.  Don't pass options.
10424
10425 2009-03-30  Ian Lance Taylor  <iant@google.com>
10426
10427         * ffsll.c (ffsll): Correct implementation.
10428
10429 2009-03-27  Ian Lance Taylor  <iant@google.com>
10430
10431         * ffsll.c: New file.
10432         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10433         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
10434         * ftruncate.c (ftruncate): Declare before definition.
10435         * mremap.c (mremap): Likewise.
10436         * pread.c (pread): Likewise.
10437         * configure, Makefile.in, config.in: Rebuild.
10438
10439         * mremap.c: New file.
10440         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
10441         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
10442         (mremap): Declare if HAVE_MREMAP is not defined.
10443         * configure, Makefile.in, config.in: Rebuild.
10444
10445 2009-03-27  Cary Coutant  <ccoutant@google.com>
10446
10447         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
10448         position independent.
10449         * sparc.cc (Target_sparc::check_non_pic): Likewise.
10450         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
10451
10452 2009-03-24  Cary Coutant  <ccoutant@google.com>
10453
10454         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
10455         an executable.
10456         (needs_dynamic_reloc): Likewise.
10457
10458 2009-03-24  Ian Lance Taylor  <iant@google.com>
10459
10460         * yyscript.y (file_cmd): Recognize EXTERN.
10461         (extern_name_list, extern_name_list_body): New nonterminals.
10462         * script.cc (script_add_extern): Define.
10463         * script-c.h (script_add_extern): Declare.
10464
10465 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
10466
10467         * object.cc (is_elf_object): Define.
10468         * object.h (is_elf_object): Declare.
10469         * archive.cc (Archive::get_elf_object_for_member): Call
10470         is_elf_object.
10471         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
10472
10473 2009-03-24  Elliott Hughes  <enh@google.com>
10474
10475         * output.cc (Output_file::map_anonymous): Define.
10476         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
10477         try an anonymous one.  Report the size if the mmap fails.
10478         * output.h (class Output_file): Declare map_anonymous.
10479
10480 2009-03-24  Ian Lance Taylor  <iant@google.com>
10481
10482         * target-select.cc (instantiate_target): Don't acquire the lock if
10483         the instantiated_target_ field has already been set.
10484
10485 2009-03-23  Ian Lance Taylor  <iant@google.com>
10486
10487         * gold-threads.h (class Initialize_lock): Define.
10488         * gold-threads.cc (class Initialize_lock_once): Define.
10489         (initialize_lock_control): New static variable.
10490         (initialize_lock_pointer): New static variable.
10491         (initialize_lock_once): New static function.
10492         (Initialize_lock::Initialize_lock): Define.
10493         (Initialize_lock::initialize): Define.
10494         * target-select.h: Include "gold-threads.h".
10495         (class Target_selector): Add lock_ and initialize_lock_ fields.
10496         Don't define instantiate_target, just declare it.
10497         * target-select.cc (Target_selector::Target_selector): Initialize
10498         new fields.
10499         (Target_selector::instantiate_target): Define.
10500         * descriptors.h: Include "gold-threads.h".
10501         (class Descriptors): Add initialize_lock_ field.
10502         * descriptors.cc (Descriptors::Descriptors): Initialize new
10503         field.
10504         (Descriptors::open): Use initialize_lock_ field
10505         * errors.h (class Errors): Add initialize_lock_ field.
10506         * errors.cc (Errors::Errors): Initialize new field.
10507         (Errors::initialize_lock): Use initialize_lock_ field.
10508         * powerpc.cc (class Target_selector_powerpc): Remove
10509         instantiated_target_ field.  In do_recognize call
10510         instantiate_target rather than do_instantiate_target.  In
10511         do_instantiate_target just allocate a new target.
10512         * sparc.cc (class Target_selector_sparc): Likewise.
10513
10514         * freebsd.h: New file.
10515         * i386.cc: Include "freebsd.h".
10516         (Target_i386): Derive from Target_freebsd rather than
10517         Sized_target.
10518         (Target_selector_i386): Derive from Target_selector_freebsd rather
10519         than Target_selector.
10520         * x86_64.cc: Include "freebsd.h".
10521         (Target_x86_64): Derive from Target_freebsd rather than
10522         Sized_target.
10523         (Target_selector_x86_64): Derive from Target_selector_freebsd
10524         rather than Target_selector.
10525         * target.h (class Target): Add adjust_elf_header and
10526         do_adjust_elf_header.
10527         * output.cc (Output_file_header:: do_sized_write): Call target
10528         adjust_elf_header routine.
10529         * configure.tgt: Set targ_osabi.
10530         * configure.ac: Define GOLD_DEFAULT_OSABI.
10531         * parameters.cc (Parameters::default_target): Pass
10532         GOLD_DEFAULT_OSABI to select_target.
10533         * target-select.h (class Target_selector): Make instantiate_target
10534         protected rather than private.
10535         * Makefile.am (HFILES): Add freebsd.h.
10536         * configure, Makefile.in, config.in: Rebuild.
10537
10538         * merge.cc (do_add_input_section): Correct pend value.  Change
10539         message about last entry not being null terminated from error to
10540         warning.
10541
10542 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
10543
10544         * incremental.cc: New file.
10545         * Makefile.am (CCFILES): Add incremental.cc.
10546         * Makefile.in: Rebuild.
10547
10548 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
10549
10550         * layout.cc (Layout::output_section_name): Preserve names
10551         of '.note.' sections.
10552
10553 2009-03-19  Ian Lance Taylor  <iant@google.com>
10554
10555         * descriptors.cc (Descriptors::open): Check that the options are
10556         valid before using them.
10557
10558 2009-03-18  Ian Lance Taylor  <iant@google.com>
10559
10560         * script-sections.h: Include <list>.
10561         (class Script_sections): Change Sections_elements from std::vector
10562         to std::list.  Typedef public Elements_iterator.  Add
10563         orphan_section_placement_, data_segment_align_start_, and
10564         saw_data_segment_align_ fields.  Remove data_segment_align_index_
10565         field.
10566         * script-sections.cc (class Orphan_section_placement): New class.
10567         (class Sections_element): Add virtual functions is_relro and
10568         orphan_section_init.  Remove virtual function place_orphan_here.
10569         (class Output_section_definition): Add is_relro and
10570         orphan_section_init.  Remove place_orphan_here.
10571         (class Orphan_output_section): Likewise.
10572         (Script_sections::Script_sections): Update for field changes.
10573         (Script_sections::data_segment_align): Set saw_data_segment_align_
10574         and data_segment_align_start_, not data_segment_align_index.
10575         (Script_sections::data_segment_relro_end): Check
10576         saw_data_segment_align_.  Use data_segment_align_start_ rather
10577         than data_segment_align_index_.
10578         (Script_sections::place_orphan): Rewrite to use
10579         Orphan_section_placement.
10580
10581 2009-03-17  Ian Lance Taylor  <iant@google.com>
10582
10583         * archive.cc (Archive::add_symbols): Check for a version attached
10584         to the symbol name in the archive map.
10585         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
10586         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
10587         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
10588         (ver_test_11.a): New target.
10589         * testsuite/Makefile.in: Rebuild.
10590
10591         * configure.ac: Check for chsize and posix_fallocate.  Replace
10592         ftruncate.
10593         * ftruncate.c: New file, from gnulib.
10594         * output.cc (posix_fallocate): Define dummy version if not
10595         HAVE_POSIX_FALLOCATE.
10596         (Output_file::map): Call posix_fallocate rather than lseek and
10597         write.
10598         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
10599         * configure, Makefile.in, config.in: Rebuild.
10600
10601 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
10602
10603         * layout.h (Layout::create_note): Add section_name parameter.
10604         * layout.cc (Layout::create_note): Likewise.
10605         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
10606
10607 2009-03-17  Ian Lance Taylor  <iant@google.com>
10608
10609         * descriptors.cc: Include "options.h".
10610         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
10611         (Descriptors::open): Always use O_CLOEXEC when opening a new
10612         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
10613         then set FD_CLOEXEC.
10614
10615         * sparc.cc (class Target_sparc): Add has_got_section.
10616         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
10617         make sure we have a GOT section.
10618
10619         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
10620         (Target_sparc::Scan::local): Likewise.
10621         (Target_sparc::Scan::global): Likewise.
10622         (Target_sparc::Relocate::relocate): Likewise.
10623         (Target_sparc::Relocate::relocate_tls): Likewise.
10624
10625         * symtab.cc (Symbol_table::define_default_version): New function,
10626         broken out of add_from_object.
10627         (Symbol_table::add_from_object): Call define_default_version.
10628         (Symbol_table::define_special_symbol): Add resolve_oldsym
10629         parameter.  Change all callers.  If the version for a symbol comes
10630         from a version script, resolve it with the symbol with the same
10631         name with no version.  Also add the symbol without a version if
10632         appropriate.
10633         (do_define_in_output_data): If resolving with oldsym, don't delete
10634         sym.
10635         (do_define_in_output_segment): Likewise.
10636         (do_define_as_constant): Likewise.
10637         * symtab.h (class Symbol_table): Update declarations.
10638
10639 2009-03-13  Ian Lance Taylor  <iant@google.com>
10640
10641         * readsyms.cc (Read_symbols::incompatible_warning): New function.
10642         (Read_symbols::requeue): New function.
10643         (Read_symbols::do_read_symbols): If make_elf_object fails because
10644         the target type is not configured, and the file was searched for,
10645         issue a warning and retry with the next directory.
10646         (Add_symbols::run): If the file has an incompatible format, and
10647         it was searched for, requeue the Read_symbols task.  On error,
10648         release the object.
10649         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
10650         dirindex parameter to constructor.  Change all callers.  Declare
10651         incompatible_warning and requeue.
10652         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
10653         input_argument_ and input_group_ fields.  Add them to
10654         constructor.  Change all callers.
10655         (class Read_script): Add dirindex_ field.  Add it to constructor.
10656         Change all callers.
10657         * archive.cc (Archive::setup): Remove input_objects parameter.
10658         Change all callers.
10659         (Archive::get_file_and_offset): Likewise.
10660         (Archive::read_all_symbols): Likewise.
10661         (Archive::read_symbols): Likewise.
10662         (Archive::get_elf_object_for_member): Remove input_objects
10663         parameter.  Add punconfigured parameter.  Change all callers.
10664         (Archive::add_symbols): Change return type to bool.  Check return
10665         value of include_member.
10666         (Archive::include_all_members): Likewise.
10667         (Archive::include_member): Change return type to bool.  Return
10668         false if first included object has incompatible target.  Set
10669         included_member_ field.
10670         (Add_archive_symbols::run): If add_symbols returns false, requeue
10671         Read_symbols task.
10672         * archive.h (class Archive): Add included_member_ field.
10673         Initialize it in constructor.  Add input_file and searched_for
10674         methods.  Update declarations.
10675         (class Add_archive_symbols): Add dirpath_, dirindex_, and
10676         input_argument_ fields.  Add them to constructor.  Change all
10677         callers.
10678         * script.cc: Include "target-select.h".
10679         (class Parser_closure): Add skip_on_incompatible_target_ and
10680         found_incompatible_target_ fields.  Add
10681         skip_on_incompatible_target parameter to constructor.  Change all
10682         callers.  Add methods skip_on_incompatible_target,
10683         clear_skip_on_incompatible_target, found_incompatible_target, and
10684         set_found_incompatible_target.
10685         (read_input_script): Add dirindex parameter.  Change all callers.
10686         If parser finds an incompatible target, requeue Read_symbols
10687         task.
10688         (script_set_symbol): Clear skip_on_incompatible_target in
10689         closure.
10690         (script_add_assertion, script_parse_option): Likewise.
10691         (script_start_sections, script_add_phdr): Likewise.
10692         (script_check_output_format): New function.
10693         * script.h (read_input_script): Update declaration.
10694         * script-c.h (script_check_output_format): Declare.
10695         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
10696         (ignore_cmd): Remove OUTPUT_FORMAT.
10697         * fileread.cc (Input_file::Input_file): Add explicit this.
10698         (Input_file::will_search_for): New function.
10699         (Input_file::open): Add pindex parameter.  Change all callers.
10700         * fileread.h (class Input_file): Add input_file_argument method.
10701         Declare will_search_for.  Update declarations.
10702         * object.cc (make_elf_object): Add punconfigured parameter.
10703         Change all callers.
10704         * object.h (class Object): Make input_file public.  Add
10705         searched_for method.
10706         (make_elf_object): Update declaration.
10707         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
10708         restart search.
10709         * dirsearch.h (class Dirsearch): Update declaration.
10710         * options.h (class General_options): Add --warn-search-mismatch.
10711         * parameters.cc (Parameters::is_compatible_target): New function.
10712         * parameters.h (class Parameters): Declare is_compatible_target.
10713         * workqueue.cc (Workqueue::add_blocker): New function.
10714         * workqueue.h (class Workqueue): Declare add_blocker.
10715
10716         * fileread.cc (Input_file::open): Remove options parameter.
10717         Change all callers.
10718         (Input_file::open_binary): Likewise.
10719         * script.cc (read_input_script): Likewise.
10720         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
10721         options parameter from constructor.  Change all callers.
10722         (class Read_script): Likewise.
10723         * fileread.h (class Input_file): Update declarations.
10724         * script.h (read_input_script): Update declaration.
10725
10726 2009-03-10  Nick Clifton  <nickc@redhat.com>
10727
10728         * po/es.po: New Spanish translation.
10729
10730 2009-03-06  Cary Coutant  <ccoutant@google.com>
10731
10732         * options.cc (parse_short_option): Keep dash_z from registering itself.
10733
10734 2009-03-03  Ian Lance Taylor  <iant@google.com>
10735
10736         PR 9918
10737         * target-reloc.h (relocate_section): Pass output_section to
10738         relocate.
10739         * i386.cc (Target_i386::should_apply_static_reloc): Add
10740         output_section parameter.  Change all callers.
10741         (Target_i386::Relocate::relocate): Add output_section parameter.
10742         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10743         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10744         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10745         * testsuite/two_file_shared.sh: New script.
10746         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10747         (check_DATA): Add two_file_shared.dbg.
10748         (two_file_shared.dbg): New target.
10749         * testsuite/Makefile.in: Rebuild.
10750
10751 2009-03-01  Ian Lance Taylor  <iant@google.com>
10752
10753         * configure.ac: Check for byteswap.h.
10754         * configure: Rebuild.
10755         * config.in: Rebuild.
10756
10757 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10758
10759         * layout.cc (Layout::find_or_add_kept_section): New function.
10760         (Layout::add_comdat): Removed.
10761         * layout.h (struct Kept_section): Move out of class Layout.
10762         Remove trailing underscores from field names.  Add group_sections
10763         field.  Rename group_ field to is_group.  Change all uses.
10764         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10765         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10766         comdat_groups_ field.
10767         (Sized_relobj::include_section_group): Use
10768         find_or_add_kept_section and Kept_section::group_sections.
10769         (Sized_relobj::include_linkonce_section): Likewise.
10770         * object.cc (class Sized_relobj): Don't define Comdat_group or
10771         Comdat_group_table.  Remove find_comdat_group and
10772         add_comdat_group.  Remove comdat_groups_ field.
10773         * plugin.cc (include_comdat_group): Use
10774         Layout::find_or_add_kept_section.
10775
10776 2009-02-28  Ian Lance Taylor  <iant@google.com>
10777
10778         * README: --gc-sections and map files are now supported.  Document
10779         some build requirements.
10780
10781         PR 6992
10782         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10783         relocatable link set the value of the section symbol to zero.
10784         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10785         relocatable link don't include the section address in the local
10786         symbol value.
10787
10788 2009-02-27  Ian Lance Taylor  <iant@google.com>
10789
10790         PR 6811
10791         * options.h (class Search_directory): Add is_system_directory.
10792         (class General_options): Declare is_in_system_directory.
10793         * options.cc (get_relative_sysroot): Make static.
10794         (get_default_sysroot): Make static.
10795         (General_optoins::is_in_system_directory): New function.
10796         * fileread.cc (Input_file::is_in_system_directory): New function.
10797         * fileread.h (class Input_file): Declare is_in_system_directory.
10798         * object.h (class Object): Add is_in_system_directory.
10799         (class Input_objects): Remove system_library_directory_ field.
10800         * object.cc (Input_objects::add_object): Don't set
10801         system_library_directory_.
10802         (input_objects::found_in_system_library_directory): Remove.
10803         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10804         parameter.  Change all callers.
10805         (Symbol_table::sized_write_globals): Likewise.
10806         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10807         Call Object::is_in_system_directory.
10808         * symtab.h (class Symbol_table): Update declarations.
10809
10810         PR 5990
10811         * descriptors.h (Open_descriptor): Add is_on_stack field.
10812         * descriptors.cc (Descriptors::open): If the descriptor is on the
10813         top of the stack, remove it.  Initialize is_on_stack field.
10814         (Descriptors::release): Only add pod to stack if it is not on the
10815         stack already.
10816         (Descriptors::close_some_descriptor): Clear stack_next and
10817         is_on_stack fields.
10818
10819         PR 7091
10820         * output.cc (Output_section::find_starting_output_address): Rename
10821         from starting_output_address; add PADDR parameter; change return
10822         type.
10823         * output.h (class Output_section): Declare
10824         find_starting_output_address instead of starting_output_address.
10825         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10826         section symbol for which we can't find a merge section.
10827
10828         PR 9836
10829         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10830         hidden or internal, force the symbol to be local.
10831         * resolve.cc (Symbol::override_visibility): Define.
10832         (Symbol::override_base): Use override_visibility.
10833         (Symbol_table::resolve): Likewise.
10834         (Symbol::override_base_with_special): Likewise.
10835         (Symbol_table::override_with_special): If the visibility is hidden
10836         or internal, force the symbol to be local.
10837         * symtab.h (class Symbol): Add set_visibility and
10838         override_visibility.
10839         * testsuite/ver_test_1.sh: New file.
10840         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10841         (check_DATA): Add ver_test_1.syms.
10842         (ver_test_1.syms): New target.
10843         * testsuite/Makefile.in: Rebuild.
10844
10845 2009-02-25  Cary Coutant  <ccoutant@google.com>
10846
10847         * layout.cc (Layout::choose_output_section): Don't rename sections
10848         when using a linker script that has a SECTIONS clause.
10849         * Makefile.in: Regenerate.
10850
10851         * testsuite/Makefile.am (script_test_5.sh): New test case.
10852         * testsuite/Makefile.in: Regenerate.
10853         * testsuite/script_test_5.cc: New file.
10854         * testsuite/script_test_5.sh: New file.
10855         * testsuite/script_test_5.t: New file.
10856
10857 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10858
10859         * archive.cc (Archive::include_member): Update calls to add_symbols.
10860         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10861         the Layout argument.
10862         * dynobj.h (do_add_symbols): Add the Layout argument.
10863         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10864         Layout argument.
10865         * object.h (Object::add_symbols): Add the Layout argument.
10866         (Object::do_add_symbols): Add the Layout argument.
10867         (Sized_relobj::do_add_symbols): Add the Layout argument.
10868         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10869         Unify the two versions.
10870         (Add_plugin_symbols): Remove.
10871         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10872         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10873         (Add_plugin_symbols): Remove.
10874         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10875         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10876         (Add_symbols::run): Make it work with Pulginobj.
10877
10878 2009-02-06  Ian Lance Taylor  <iant@google.com>
10879
10880         * object.cc (Sized_relobj::do_layout): Make info message start
10881         with lower case letter.
10882
10883 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10884
10885         * binary.cc: Fix file comment.
10886
10887         * options.h (enum Incremental_disposition): Define.
10888         (class General_options): Add new options: --incremental,
10889         --incremental_changed, --incremental_unchanged,
10890         --incremental_unknown.  Add incremental_disposition_ and
10891         implicit_incremental_ fields.
10892         (General_options::incremental_disposition): New function.
10893         (class Position_dependent_options): Add incremental_disposition
10894         option.
10895         (Position_dependent_options::copy_from_options): Set incremental
10896         dispositions.
10897         * options.cc (General_options::parse_incremental_changed): New
10898         function.
10899         (General_options::parse_incremental_unchanged): New function.
10900         (General_options::parse_incremental_unknown): New function.
10901         (General_options::General_options): Initialize new fields
10902         incremental_disposition_ and implicit_incremental_.
10903         (General_options::finalize): Check for uasge of --incremental-*
10904         without --incremental.
10905
10906 2009-02-06  Chris Demetriou  <cgd@google.com>
10907
10908         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10909         pointer and to report location as the file name associated with
10910         the symbol.
10911         (gold_undefined_symbol_at_location): New function to replace the
10912         old gold_undefined_symbol functionality.
10913         * target-reloc.h (relocate_section): Update to use
10914         gold_undefined_symbol_at_location.
10915         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10916         Call gold_undefined_symbol function rather than gold_error.
10917         * errors.h (Errors::undefined_symbol): Take location as a
10918         string, rather than calculating it from a relocation.
10919         * errors.cc (Errors::fatal): Print "fatal error:" before the
10920         formatted message.
10921         (Errors::error, Errors::error_at_location): Print "error: "
10922         before the formatted message.
10923         (Errors::undefined_symbol): Take location as a string, rather
10924         than calculating it from a relocation.
10925         (gold_undefined_symbol_at_location): New function akin to
10926         old gold_undefined_symbol, calculates location from relocation.
10927         (gold_undefined_symbol): Change to take only a Symbol pointer
10928         and to report location as the file name associated with the symbol.
10929         * testsuite/debug_msg.sh: Update for changed error messages.
10930         * testsuite/undef_symbol.sh: Likewise.
10931
10932 2009-02-04  Duncan Sands  <baldrick@free.fr>
10933
10934         PR 9812
10935         * reduced_debug_output.h
10936         (Output_reduced_debug_abbrev_section::failed): Use format for
10937         gold_warning.
10938         (Output_reduced_debug_info_section::faild): Likewise.
10939
10940 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10941
10942         * script.cc (Lazy_demangler): New class.
10943         (Version_script_info::get_symbol_version_helper): Demangle a
10944         symbol only once.
10945
10946 2009-01-29  Cary Coutant  <ccoutant@google.com>
10947
10948         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10949         to __tls_get_addr.
10950         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10951
10952 2009-01-28  Ian Lance Taylor  <iant@google.com>
10953
10954         * version.cc (version_string): Bump to 1.9.
10955
10956         * gold.h: Include <cstring> and <stdint.h>.
10957         * version.cc: Include <cstdio>.
10958         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10959         warning.
10960         * reduced_debug_output.cc (insert_into_vector): Rename from
10961         Insert_into_vector; change all callers.  Use Swap_unaligned to
10962         avoid aliasing issue; remove union since it is unnecessary.
10963
10964 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10965
10966         * Makefile.am (CCFILES): Add gc.cc.
10967         (HFILES): Add gc.h.
10968         * Makefile.in: Regenerate.
10969         * gold.cc (Gc_runner): New class.
10970         (queue_initial_tasks): Call garbage collection related tasks
10971         when corresponding options are invoked.
10972         (queue_middle_gc_tasks): New function.
10973         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10974         processed early before laying out sections during garbage collection.
10975         * gold.h (queue_middle_gc_tasks): New function.
10976         (is_prefix_of): Move from "layout.cc".
10977         * i386.cc (Target_i386::gc_process_relocs): New function.
10978         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10979         * main.cc (main): Create object of class "Garbage_collection".
10980         * object.cc (Relobj::copy_symbols_data): New function.
10981         (Relobj::is_section_name_included): New function.
10982         (Sized_relobj::do_layout): Allow this function to be called twice
10983         during garbage collection and defer layout of section during the
10984         first call.
10985         * object.h (Relobj::get_symbols_data): New function.
10986         (Relobj::is_section_name_included): New function.
10987         (Relobj::copy_symbols_data): New function.
10988         (Relobj::set_symbols_data): New function.
10989         (Relobj::get_relocs_data): New function.
10990         (Relobj::set_relocs_data): New function.
10991         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10992         (Relobj::gc_process_relocs): New function.
10993         (Relobj::do_gc_process_relocs): New pure virtual function.
10994         (Relobj::sd_): New data member.
10995         (Sized_relobj::is_output_section_offset_invalid): New function.
10996         (Sized_relobj::do_gc_process_relocs): New function.
10997         * options.h (General_options::gc_sections): Modify to not be a no-op.
10998         (General_options::print_gc_sections): New option.
10999         * plugin.cc (Plugin_finish::run): Remove function call to
11000         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
11001         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
11002         * reloc.cc (Read_relocs::run): Add task to process relocs and
11003         determine unreferenced sections when doing garbage collection.
11004         (Gc_process_relocs): New class.
11005         (Sized_relobj::do_gc_process_relocs): New function.
11006         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
11007         sections that are garbage collected.
11008         * reloc.h (Gc_process_relocs): New class.
11009         * sparc.cc (Target_sparc::gc_process_relocs): New function.
11010         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
11011         symbols whose corresponding sections are garbage collected.
11012         (Symbol_table::Symbol_table): Add new parameter for the garbage
11013         collection object.
11014         (Symbol_table::gc_mark_undef_symbols): New function.
11015         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11016         (Symbol_table::gc_mark_dyn_syms): New function.
11017         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
11018         as garbage.
11019         (Symbol_table::add_from_object): Likewise.
11020         (Symbol_table::add_from_relobj): When building shared objects, do not
11021         treat externally visible symbols as garbage.
11022         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
11023         table information for static and relocatable links.
11024         * symtab.h (Symbol_table::set_gc): New function.
11025         (Symbol_table::gc): New function.
11026         (Symbol_table::gc_mark_undef_symbols): New function.
11027         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11028         (Symbol_table::gc_mark_dyn_syms): New function.
11029         (Symbol_table::gc_): New data member.
11030         * target.h (Sized_target::gc_process_relocs): New pure virtual
11031         function.
11032         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
11033         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
11034
11035 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
11036
11037         * options.h (General_options::gc_sections): Define as a no-op for now.
11038         (General_options::no_keep_memory): Ditto.
11039         (General_options::Bshareable): Define.
11040         * options.cc (General_options::finalize): Honor -Bshareable.
11041
11042 2009-01-20  Andreas Schwab  <schwab@suse.de>
11043
11044         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
11045         read the value in the contents, since we don't use it.  Use the
11046         template endianness when writing.
11047         (Relocate::relocate): Use it for R_PPC_REL16_HA.
11048
11049 2009-01-19  Andreas Schwab  <schwab@suse.de>
11050
11051         * configure.tgt (powerpc64-*): Fix targ_obj.
11052
11053 2009-01-15  Ian Lance Taylor  <iant@google.com>
11054
11055         * object.cc (Sized_relobj::write_local_symbols): Don't write out
11056         local symbols when stripping all symbols.
11057
11058 2009-01-14  Cary Coutant  <ccoutant@google.com>
11059
11060         * output.cc (Output_reloc): Add explicit instantiations.
11061
11062 2009-01-14  Cary Coutant  <ccoutant@google.com>
11063
11064         * archive.cc (Archive::get_elf_object_for_member): Remove call
11065         to File_read::claim_for_plugin.
11066         * descriptors.cc (Descriptors::open): Remove reference to
11067         is_claimed.
11068         (Descriptors::claim_for_plugin): Remove.
11069         * descriptors.h (Descriptors::claim_for_plugin): Remove.
11070         (Descriptors::is_claimed): Remove.
11071         (claim_descriptor_for_plugin): Remove.
11072         * fileread.cc (File_read::claim_for_plugin): Remove.
11073         * fileread.h (File_read::claim_for_plugin): Remove.
11074         (File_read::descriptor): Reopen descriptor if necessary.
11075         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
11076         (Plugin_manager::all_symbols_read): Add task parameter. Change
11077         all callers.
11078         (Plugin_manager::get_input_file): New function.
11079         (Plugin_manager::release_input_file): New function.
11080         (Pluginobj::Pluginobj): Add filesize parameter and initialize
11081         corresponding data member.
11082         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
11083         and pass to base constructor. Change all callers.
11084         (get_input_file, release_input_file): New functions.
11085         (make_sized_plugin_object): Add filesize parameter. Change all callers.
11086         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
11087         (Plugin_manager::all_symbols_read): Add task parameter.
11088         (Plugin_manager::get_input_file): New function.
11089         (Plugin_manager::release_input_file): New function.
11090         (Plugin_manager::task_): New data member.
11091         (Pluginobj::Pluginobj): Add filesize parameter.
11092         (Pluginobj::filename): New function.
11093         (Pluginobj::descriptor): New function.
11094         (Pluginobj::filesize): New function.
11095         (Pluginobj::filesize_): New data member.
11096         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
11097         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
11098         File_read::claim_for_plugin; use Object::unlock to unlock the file.
11099
11100         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
11101         with archive libraries.
11102         * testsuite/Makefile.in: Regenerate.
11103         * testsuite/plugin_test.c (struct sym_info): New type.
11104         (get_input_file, release_input_file): New static variables.
11105         (onload): Capture new transfer vector entries.
11106         (claim_file_hook): Stop reading at end of file according to filesize.
11107         Factor out parsing of readelf output into separate function.
11108         (all_symbols_read_hook): Exercise get_input_file and release_input_file
11109         APIs and get the source file name from the symbol table.  Convert
11110         source file name to corresponding object file name.  Print info
11111         message when adding new input files.
11112         (parse_readelf_line): New function.
11113         * testsuite/plugin_test_1.sh: Add checks for new info messages.
11114         * testsuite/plugin_test_2.sh: Likewise.
11115         * testsuite/plugin_test_3.sh: Likewise.
11116         * testsuite/plugin_test_4.sh: New test case.
11117
11118 2009-01-07  Ian Lance Taylor  <iant@google.com>
11119
11120         * version.cc (version_string): Bump to 1.8.
11121
11122 2008-12-23  Cary Coutant  <ccoutant@google.com>
11123
11124         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
11125         * plugin.cc (Plugin_manager::finish): Rename as
11126         layout_deferred_objects.  Move cleanup to separate function.
11127         (Plugin_manager::cleanup): New function.
11128         (Plugin_finish::run): Call layout_deferred_objects and cleanup
11129         separately.
11130         * plugin.h (Plugin_manager::finish): Rename as
11131         layout_deferred_objects.
11132         (Plugin_manager::cleanup): New function.
11133         (Plugin_manager::cleanup_done): New field.
11134
11135 2008-12-23  Cary Coutant  <ccoutant@google.com>
11136
11137         * plugin.cc (is_visible_from_outside): New function.
11138         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
11139         so we don't return "IR only" status for exported symbols or -r links.
11140
11141         * testsuite/Makefile.am (plugin_test_3): New test case.
11142         * testsuite/Makefile.in: Regenerate.
11143         * testsuite/plugin_test_3.sh: New file.
11144
11145 2008-12-22  Cary Coutant  <ccoutant@google.com>
11146
11147         * object.cc (Sized_relobj::layout_section): New function.
11148         (Sized_relobj::do_layout): Defer layout of input sections until after
11149         plugin has provided replacement files.
11150         (Sized_relobj::do_layout_deferred_sections): New function.
11151         * object.h (Relobj::set_section_offset): Remove virtual keyword.
11152         (Relobj::layout_deferred_sections): New function.
11153         (Relobj::do_layout_deferred_sections): New function.
11154         (Sized_relobj::do_layout_deferred_sections): New function.
11155         (Sized_relobj::layout_section): New function.
11156         (Sized_relobj::Deferred_layout): New structure.
11157         (Sized_relobj::deferred_layout_): New field.
11158         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
11159         Change all callers.  Layout deferred sections.
11160         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
11161         references.
11162         (Plugin_hook::run): Move code from do_plugin_hook inline.
11163         (Plugin_hook::do_plugin_hook): Remove.
11164         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
11165         (Plugin_manager::finish): Renamed, was cleanup.
11166         (Plugin_manager::should_defer_layout): New function.
11167         (Plugin_manager::add_deferred_layout_object): New function.
11168         (Plugin_manager::Deferred_layout_list): New type.
11169         (Plugin_manager::deferred_layout_objects_): New field.
11170         (Plugin_hook::do_plugin_hook): Remove.
11171
11172 2008-12-17  Ian Lance Taylor  <iant@google.com>
11173
11174         * options.h (class General_options): Add --no case for
11175         --export-dynamic.
11176
11177 2008-12-16  Cary Coutant  <ccoutant@google.com>
11178
11179         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
11180         vector.
11181         (Plugin_manager::claim_file): Create plugin object even if
11182         plugin did not call the add_symbols callback.
11183         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
11184         asking for more symbols than were added.
11185         * testsuite/Makefile.am (plugin_test_1): Add test case with
11186         no global symbols.
11187         (empty.syms): New target.
11188         * testsuite/Makefile.in: Regenerate.
11189         * testsuite/plugin_test.c (claim_file_hook): Add new debug
11190         message. Don't call add_symbols if no globals.
11191         (all_symbols_read_hook): Don't provide replacement for empty
11192         claimed file.
11193
11194 2008-12-12  Ian Lance Taylor  <iant@google.com>
11195
11196         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
11197         r_type == 0 for a local symbol with r_sym == 0.
11198         (scan_relocatable_relocs): Pass r_sym to
11199         local_non_section_strategy.
11200         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
11201         r_sym parameter.
11202
11203         * configure.ac: Update test for TLS descriptors: they are
11204         supported as of glibc 2.9.
11205         * configure: Rebuild.
11206
11207 2008-12-11  Ian Lance Taylor  <iant@google.com>
11208
11209         PR 7091
11210         * target-reloc.h (Default_scan_relocatable_relocs): For each
11211         function, map r_type == 0 to RELOC_DISCARD.
11212
11213 2008-12-10  Cary Coutant  <ccoutant@google.com>
11214
11215         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
11216         object to override a kept COMDAT group from a plugin object.
11217
11218 2008-12-09  Ian Lance Taylor  <iant@google.com>
11219
11220         PR 7088
11221         * yyscript.y (file_cmd): Handle INPUT.
11222
11223         * testsuite/initpri1.c: Change all declarations to be full
11224         prototypes by adding void, to avoid compiler warnings.
11225
11226 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
11227
11228         * options.cc (General_options::parse_plugin_opt): New.
11229         (General_options::add_plugin): The argument now is just the filename.
11230         (General_options::add_plugin_option): New.
11231         * options.h (plugin_opt): New.
11232         (add_plugin): Change argument name.
11233         (add_plugin_option): New.
11234         * plugin.cc (Plugin::load): Don't parse the plugin option.
11235         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
11236         (Plugin::add_option): New.
11237         (Plugin::args_): Change type.
11238         (Plugin::filename_): New.
11239         (Plugin_manager::add_plugin_option): New.
11240         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
11241         * testsuite/Makefile.in: Regenerate.
11242
11243 2008-12-05  Cary Coutant  <ccoutant@google.com>
11244
11245         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
11246         Handle --strip-lto-sections option.
11247         * options.h (strip_lto_sections): New option.
11248
11249 2008-12-01  Cary Coutant  <ccoutant@google.com>
11250
11251         * plugin.cc (ld_plugin_message): Change format parameter to const.
11252         Fix mismatch between new[] and delete.
11253
11254 2008-11-14  Cary Coutant  <ccoutant@google.com>
11255
11256         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
11257         instead of -1U.
11258
11259 2008-11-05  Craig Silverstein  <csilvers@google.com>
11260
11261         * options.cc (General_options::parse_dynamic_list): New function.
11262         * options.h (General_options): New flags dynamic_list,
11263         dynamic_list_data, dynamic_list_cpp_new, and
11264         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
11265         (General_options::in_dynamic_list): New function.
11266         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
11267         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
11268         (Lex::can_continue_name): Likewise.
11269         (yylex): Likewise.
11270         (read_script_file): New parameter script_options.
11271         (read_dynamic_list): New function.
11272         (Script_options::define_dynamic_list): New function.
11273         (dynamic_list_keyword_parsecodes): New variable.
11274         (dynamic_list_keywords): New variable.
11275         * script.h (Script_options::define_dynamic_list): New function
11276         prototype.
11277         (read_dynamic_list): New function prototype.
11278         * symtab.cc (strprefix): New macro.
11279         (Symbol::should_add_dynsym_entry): Support dynamic_list,
11280         dynamic_list_data, dynamic_list_cpp_new, and
11281         dynamic_list_cpp_typeinfo.
11282         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
11283         (dynamic_list_expr): New rule.
11284         (dynamic_list_nodes): Likewise.
11285         (dynamic_list_node): Likewise.
11286         * testsuite/Makefile.am (dynamic_list): New test.
11287         * testsuite/Makefile.in: Regenerated.
11288         * testsuite/dynamic_list.t: New file.
11289         * testsuite/dynamic_list.sh: New file.
11290
11291 2008-11-05  Craig Silverstein  <csilvers@google.com>
11292
11293         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
11294         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
11295         (t11_last): Likewise.
11296         * testsuite/ver_test_6.c (main): Likewise.
11297
11298 2008-10-07  Cary Coutant  <ccoutant@google.com>
11299
11300         * options.c (General_options::finalize): Add check for -static and
11301         -shared.
11302         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
11303         is not empty.
11304
11305 2008-10-02  Cary Coutant  <ccoutant@google.com>
11306
11307         * plugin.cc (make_sized_plugin_object): Fix conditional
11308         compilation to work when not all targets are enabled.
11309
11310 2008-09-29  Cary Coutant  <ccoutant@google.com>
11311
11312         * archive.cc (Archive::get_file_and_offset): Use filename instead
11313         of name to get library path.
11314         (Archive::include_member): Unlock external member of a thin archive.
11315
11316         * testsuite/Makefile.am (TEST_AR): New variable.
11317         (thin_archive_test_1): New test.
11318         (thin_archive_test_2): New test.
11319         * testsuite/Makefile.in: Regenerate.
11320         * testsuite/thin_archive_main.cc: New file.
11321         * testsuite/thin_archive_test_1.cc: New file.
11322         * testsuite/thin_archive_test_2.cc: New file.
11323         * testsuite/thin_archive_test_3.cc: New file.
11324         * testsuite/thin_archive_test_4.cc: New file.
11325
11326 2008-09-29  Cary Coutant  <ccoutant@google.com>
11327
11328         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11329         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11330         instead of -1U.
11331         (Sized_relobj::do_finalize_local_symbols): Likewise.
11332         (Sized_relobj::map_to_kept_section): Likewise.
11333         * object.h (Sized_relobj::invalid_address): New constant.
11334         (Sized_relobj::do_output_section_offset): Check for invalid_address
11335         and return -1ULL.
11336         * output.cc (Output_reloc::local_section_offset): Use constant
11337         invalid_address instead of -1U.
11338         (Output_reloc::get_address): Likewise.
11339         (Output_section::output_address): Change -1U to -1ULL.
11340         * output.h (Output_reloc::invalid_address): New constant.
11341         * reloc.cc (Sized_relobj::write_sections): Use constant
11342         invalid_address instead of -1U.
11343         (Sized_relobj::relocate_sections): Likewise.
11344         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11345         values for merge sections.
11346         * target-reloc.h (relocate_for_relocatable): Use constant
11347         invalid_address instead of -1U.
11348
11349 2008-09-19  Cary Coutant  <ccoutant@google.com>
11350
11351         Add plugin functionality for link-time optimization (LTO).
11352         * configure.ac (plugins): Add --enable-plugins option.
11353         * configure: Regenerate.
11354         * config.in: Regenerate.
11355         * Makefile.am (LIBDL): New variable.
11356         (CCFILES): Add plugin.cc.
11357         (HFILES): Add plugin.h.
11358         (ldadd_var): Add LIBDL.
11359         * Makefile.in: Regenerate.
11360
11361         * archive.cc: Include "plugin.h".
11362         (Archive::setup): Don't preread archive symbols when using a plugin.
11363         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11364         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11365         files.
11366         (Archive::include_member): Add symbols from plugin objects.
11367         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11368         * descriptors.cc (Descriptors::open): Check for file descriptors
11369         abandoned by plugins.
11370         (Descriptors::claim_for_plugin): New function.
11371         * descriptors.h (Descriptors::claim_for_plugin): New function.
11372         (Open_descriptor::is_claimed): New field.
11373         (claim_descriptor_for_plugin): New function.
11374         * fileread.cc (File_read::claim_for_plugin): New function.
11375         * fileread.h (File_read::claim_for_plugin): New function.
11376         (File_read::descriptor): New function.
11377         * gold.cc: Include "plugin.h".
11378         (queue_initial_tasks): Add task to call plugin hooks for generating
11379         new object files.
11380         * main.cc: Include "plugin.h".
11381         (main): Load plugin libraries.
11382         * object.h (Pluginobj): Declare.
11383         (Object::pluginobj): New function.
11384         (Object::do_pluginobj): New function.
11385         (Object::set_target): New function.
11386         * options.cc: Include "plugin.h".
11387         (General_options::parse_plugin): New function.
11388         (General_options::General_options): Initialize plugins_ field.
11389         (General_options::add_plugin): New function.
11390         * options.h (Plugin_manager): Declare.
11391         (General_options): Add --plugin option.
11392         (General_options::has_plugins): New function.
11393         (General_options::plugins): New function.
11394         (General_options::add_plugin): New function.
11395         (General_options::plugins_): New field.
11396         * plugin.cc: New file.
11397         * plugin.h: New file.
11398         * readsyms.cc: Include "plugin.h".
11399         (Read_symbols::do_read_symbols): Check for archive before checking
11400         for ELF file.  Call plugin hooks to claim files.
11401         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11402         from a real object file; force override when processing replacement
11403         files.
11404         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11405         (Symbol::init_base_object): Likewise.
11406         (Symbol::init_base_output_data): Likewise.
11407         (Symbol::init_base_output_segment): Likewise.
11408         (Symbol::init_base_constant): Likewise.
11409         (Symbol::init_base_undefined): Likewise.
11410         (Symbol::output_section): Assert that object is not a plugin.
11411         (Symbol_table::add_from_pluginobj): New function.
11412         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11413         undefined.
11414         (Symbol_table::sized_write_globals): Likewise.
11415         (Symbol_table::add_from_pluginobj): Instantiate template.
11416         * symtab.h (Sized_pluginobj): Declare.
11417         (Symbol::in_real_elf): New function.
11418         (Symbol::set_in_real_elf): New function.
11419         (Symbol::in_real_elf_): New field.
11420         (Symbol_table::add_from_pluginobj): New function.
11421
11422         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11423         (LIBDL): New variable.
11424         (LDADD): Add LIBDL.
11425         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11426         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11427         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11428         (MOSTLYCLEANFILES): Likewise.
11429         * testsuite/Makefile.in: Regenerate.
11430         * testsuite/plugin_test.c: New file.
11431         * testsuite/plugin_test_1.sh: New file.
11432         * testsuite/plugin_test_2.sh: New file.
11433
11434 2008-09-16  Ian Lance Taylor  <iant@google.com>
11435
11436         * target-reloc.h (relocate_section): Check whether a symbol is
11437         defined by the ABI before reporting an undefined symbol error.
11438         * target.h (Target::is_defined_by_abi): Make parameter const.
11439         (Target::do_is_defined_by_abi): Likewise.
11440         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
11441         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
11442         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
11443         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
11444         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
11445         * testsuite/Makefile.in: Rebuild.
11446
11447         * fileread.cc (make_view): Add casts to avoid warning.
11448
11449 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11450
11451         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
11452         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11453
11454 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11455
11456         * options.h (General_options::output_is_executable): New.
11457         (General_options::output_is_pie): New.
11458         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
11459         for shared libraries.
11460         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11461
11462 2008-09-11  Chris Demetriou  <cgd@google.com>
11463
11464         * options.h (origin): New -z option.
11465         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
11466         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
11467         in DT_FLAGS_1.
11468
11469 2008-09-05  Cary Coutant  <ccoutant@google.com>
11470
11471         * fileread.cc (File_read::make_view): Add check for attempt to map
11472         beyond end of file.
11473
11474 2008-09-05  Cary Coutant  <ccoutant@google.com>
11475
11476         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
11477         explicit instantiations.
11478
11479 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
11480
11481         PR gold/6858
11482         * options.cc (General_options::finalize): Allow undefined symbols
11483         in shlibs if linking -shared.
11484
11485         PR gold/6859
11486         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
11487         symbols as not needing a dynsym entry.
11488
11489 2008-08-20  Craig Silverstein  <csilvers@google.com>
11490
11491         * fileread.cc (File_read::open): Do not lock the file unless it
11492         was successfully opened.
11493
11494 2008-08-14  Cary Coutant  <ccoutant@google.com>
11495
11496         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
11497         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
11498         * testsuite/tls_test.cc (struct int128): 128-bit struct
11499         for testing TLS relocs with non-zero addend.
11500         (v12): New TLS variable.
11501         (t12): New test.
11502         (t_last): Add check for v12.
11503         * testsuite/tls_test.h (t12): New function.
11504         * testsuite/tls_test_main.cc (thread_routine): Call new test.
11505
11506 2008-08-13  Ian Lance Taylor  <iant@google.com>
11507
11508         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
11509         set tls_segment_ or relro_segment_.
11510         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
11511         when appropriate.
11512         * output.h (Output_section::clear_is_relro): New function.
11513         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
11514         sections specially even when output_data_ is empty.
11515         (Output_segment::maximum_alignment): When first section is relro,
11516         only force alignment for PT_LOAD segments.
11517         * script.cc (script_data_segment_align): New function.
11518         (script_data_segment_relro_end): New function.
11519         * script-c.h (script_data_segment_align): Declare.
11520         (script_data_segment_relro_end): Declare.
11521         * script-sections.h (class Script_sections): Declare
11522         data_segment_align and data_segment_relro_end.  Add fields
11523         segment_align_index_ and saw_relro_end_.
11524         * script-sections.cc (class Sections_element): Add set_is_relro
11525         virtual function.  Add new bool* parameter to place_orphan_here.
11526         Add get_output_section virtual function.
11527         (class Output_section_definition): Add set_is_relro.  Add new
11528         bool* parameter to place_orphan_here.  Add get_output_section.
11529         Add is_relro_ field.
11530         (Output_section_definition::Output_section_definition): Initialize
11531         evaluated_address_, evaluated_load_address, evaluated_addralign_,
11532         and is_relro_ fields.
11533         (Output_section_definition::place_orphan_here): Add is_relro
11534         parameter.
11535         (Output_section_definition::set_section_addresses): Set relro for
11536         output section.
11537         (Output_section_definition::alternate_constraint): Likewise.
11538         (class Orphan_output_section): Add new bool* parameter to
11539         place_orphan_here.  Add get_output_section.
11540         (Orphan_output_section::place_orphan_here): Add is_relro
11541         parameter.
11542         (Script_sections::Script_sections): Initialize
11543         data_segment_align_index_ and saw_relro_end_.
11544         (Script_sections::data_segment_align): New function.
11545         (Script_sections::data_segment_relro_end): New function.
11546         (Script_sections::place_orphan): Set or clear is_relro.
11547         (Script_sections::set_section_addresses): Force alignment of first
11548         TLS section.
11549         * yyscript.y (exp): Call script_data_segment_align and
11550         script_data_segment_relro_end.
11551         * testsuite/relro_script_test.t: New file.
11552         * testsuite/relro_test.cc (using_script): Declare.
11553         (t1, t2): Test using_script.
11554         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
11555         (relro_script_test_SOURCES): Define.
11556         (relro_script_test_DEPENDENCIES): Define.
11557         (relro_script_test_LDFLAGS): Define.
11558         (relro_script_test_LDADD): Define.
11559         (relro_script_test.so): New target.
11560         * testsuite/Makefile.in: Rebuild.
11561
11562 2008-08-06  Cary Coutant <ccoutant@google.com>
11563
11564         * archive.cc (Archive::total_archives, Archive::total_members)
11565         (Archive::total_members_loaded): New variables.
11566         (Archive::setup): Add parameter.  Add option to preread
11567         archive symbols.
11568         (Archive::read_armap): Add counter.
11569         (Archive::get_file_and_offset): New function.
11570         (Archive::get_elf_object_for_member): New function.
11571         (Archive::read_all_symbols): New function.
11572         (Archive::read_symbols): New function.
11573         (Archive::add_symbols): Add counters.
11574         (Archive::include_all_members): Use armap to find members if it's
11575         already built.
11576         (Archive::include_member): Skip reading symbols if already read.
11577         Factored code into Archive::get_file_and_offset and
11578         Archive::get_elf_object_for_member.  Changed call to
11579         Mapfile::report_include_archive_member.
11580         (Archive::print_stats): New function.
11581         * archive.h: Declare Object and Read_symbols_data classes.
11582         (Archive::Archive): Add initializers for new members.
11583         (Archive::setup): Add parameter.
11584         (Archive::print_stats): New function.
11585         (Archive::total_archives, Archive::total_members)
11586         (Archive::total_members_loaded): New variables.
11587         (Archive::get_file_and_offset): New function.
11588         (Archive::get_elf_object_for_member): New function.
11589         (Archive::read_all_symbols): New function.
11590         (Archive::read_symbols): New function.
11591         (Archive::Archive_member): New class.
11592         (Archive::members_): New member.
11593         (Archive::num_members_): New member.
11594         * main.cc: Include archive.h.
11595         (main): Call Archive::print_stats.
11596         * mapfile.cc (Mapfile::report_include_archive_member): Delete
11597         archive parameter; member_name is now the fully-decorated name.
11598         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
11599         * options.h: (General_options): Add --preread-archive-symbols option.
11600         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
11601         Archive::setup.
11602
11603 2008-08-04  Ian Lance Taylor  <iant@google.com>
11604
11605         * symtab.h (Symbol::use_plt_offset): New function.
11606         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
11607         * powerpc.cc (Relocate::relocate): Likewise.
11608         * sparc.cc (Relocate::relocate): Likewise.
11609         * x86_64.cc (Relocate::relocate): Likewise.
11610         * testsuite/weak_plt.sh: New test.
11611         * testsuite/weak_plt_main.cc: New test.
11612         * testsuite/weak_plt_shared.cc: New test.
11613         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
11614         (check_PROGRAMS): Add weak_plt.
11615         (check_DATA): Add weak_plt_shared.so.
11616         (weak_plt_main_pic.o, weak_plt): New targets.
11617         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
11618         * testsuite/Makefile.in: Rebuild.
11619
11620         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
11621         gcctestdir/ld.
11622         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
11623         * testsuite/Makefile.in: Rebuild.
11624
11625 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
11626
11627         * Makefile.am (POTFILES.in): Set LC_ALL=C.
11628         * Makefile.in: Regenerate.
11629         * po/POTFILES.in: Regenerate.
11630
11631 2008-07-29  Ian Lance Taylor  <iant@google.com>
11632
11633         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
11634         symbols before other symbols.
11635         * testsuite/script_test_2.cc (test_addr): Declare.
11636         (test_addr_alias): Declare.
11637         (main): Check that test_addr and test_addr_alias have the right
11638         values.
11639         * testsuite/script_test_2.t: Define test_addr_alias and
11640         test_addr.
11641
11642 2008-07-24  Ian Lance Taylor  <iant@google.com>
11643
11644         PR 5990
11645         * descriptors.cc: New file.
11646         * descriptors.h: New file.
11647         * gold-threads.h (class Hold_optional_lock): New class.
11648         * fileread.cc: Include "descriptors.h".
11649         (File_read::~File_read): Release descriptor rather than closing
11650         it.
11651         (File_read::open) [file]: Call open_descriptor rather than open.
11652         Set is_descriptor_opened_.
11653         (File_read::open) [memory]: Assert that descriptor is not open.
11654         (File_read::reopen_descriptor): New function.
11655         (File_read::release): Release descriptor.
11656         (File_read::do_read): Make non-const.  Reopen descriptor.
11657         (File_read::read): Make non-const.
11658         (File_read::make_view): Reopen descriptor.
11659         (File_read::do_readv): Likewise.
11660         * fileread.h (class File_read): Add is_descriptor_opened_ field.
11661         Update declarations.
11662         * layout.cc: Include "descriptors.h".
11663         (Layout::create_build_id): Use open_descriptor rather than open.
11664         * output.cc: Include "descriptors.h".
11665         (Output_file::open): Use open_descriptor rather than open.
11666         * archive.cc (Archive::const_iterator): Change Archive to be
11667         non-const.
11668         (Archive::begin, Archive::end): Make non-const.
11669         (Archive::count_members): Likewise.
11670         * archive.h (class Archive): Update declarations.
11671         * object.h (Object::read): Make non-const.
11672         * Makefile.am (CCFILES): Add descriptors.cc.
11673         (HFILES): Add descriptors.h.
11674         * Makefile.in: Rebuild.
11675
11676         PR 6716
11677         * gold.h: Always include <clocale>.  Add Solaris workarounds
11678         following code in binutils/sysdep.h.
11679
11680         PR 6048
11681         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
11682         this->eh_frame_hdr_ is NULL before using it.
11683
11684         * dynobj.cc (Versions::Versions): Update comment.
11685
11686         * dynobj.cc (Versions::Versions): If there is an soname, use it as
11687         the base version name.
11688
11689         * stringpool.cc (Stringpool_template::add_with_length): Set key to
11690         array size plus one.
11691         (Stringpool_template::set_string_offsets): Subtract one from key
11692         before using it as an array index.
11693         (Stringpool_template::get_offset_with_length): Likewise.
11694         (Stringpool_template::write_to_buffer): Likewise.
11695         * stringpool.h (Stringpool_template::get_offset_from_key):
11696         Likewise.
11697
11698 2008-07-23  Ian Lance Taylor  <iant@google.com>
11699
11700         PR 6658
11701         * object.h (Merged_symbol_value::value): Do our best to handle a
11702         negative addend.
11703
11704         PR 6647
11705         * script.cc (Version_script_info::get_versions): Don't add empty
11706         version tag to return value.
11707         (Version_script_info::get_symbol_version_helper): Change return
11708         type to bool.  Add pversion parameter.  Change all callers.
11709         (script_register_vers_node): Don't require a non-NULL tag.
11710         * script.h (class Version_script_info): Update declarations.
11711         (Version_script_info::get_symbol_version): Change return type to
11712         bool.  Add version parameter.  Change all callers.
11713         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
11714         handling.  Handle an empty version from a version script.
11715         (Symbol_table::define_special_symbol): Likewise.
11716         * testsuite/ver_test_10.script: New file.
11717         * testsuite/ver_test_10.sh: New file.
11718         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
11719         (check_DATA): Add ver_test_10.syms.
11720         (ver_test_10.syms, ver_test_10.so): New target.
11721         * testsuite/Makefile.in: Rebuild.
11722
11723 2008-07-23  Simon Baldwin  <simonb@google.com>
11724
11725         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
11726         to zero for undefined symbols from dynamic libraries.
11727
11728 2008-07-23  Ian Lance Taylor  <iant@google.com>
11729
11730         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11731         Change all callers.
11732         * symtab.h (class Symbol_table): Update declaration.
11733         * testsuite/ver_test_9.cc: New file.
11734         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11735         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11736         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11737         (ver_test_9.so, ver_test_9.o): New targets.
11738         * testsuite/Makefile.in: Rebuild.
11739
11740 2008-07-22  Ian Lance Taylor  <iant@google.com>
11741
11742         * options.h (class General_options): Define --check-sections.
11743         * layout.cc (Layout::set_segment_offsets): Handle
11744         --check-sections.
11745
11746         * options.h (class General_options): Define -n/--nmagic and
11747         -N/--omagic.
11748         * options.cc (General_options::finalize): For -n/--nmagic or
11749         -N/--omagic, set -static.
11750         * layout.cc (Layout::attach_allocated_section_to_segment): If
11751         -N/--omagic, don't put read-only and read-write sections in
11752         different segments.
11753         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11754         finding a read-only segment.
11755         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11756         don't set the minimum segment alignment to the common page size,
11757         and don't set the file offset to the address modulo the page size.
11758         * script-sections.cc (Script_sections::create_segments): If
11759         -n/--omagic, don't put read-only and read-write sections in
11760         different segments.
11761
11762         * cref.cc: New file.
11763         * cref.h: New file.
11764         * options.h (class General_options): Add --print-symbol-counts.
11765         * main.cc (main): Issue defined symbol report if requested.
11766         * archive.cc (Archive::interpret_header): Make into a const member
11767         function.
11768         (Archive::add_symbols): Call Input_objects::archive_start and
11769         archive_stop.
11770         (Archive::const_iterator): Define new class.
11771         (Archive::begin, Archive::end): New functions.
11772         (Archive::include_all_members): Rewrite to use iterator.
11773         (Archive::count_members): New function.
11774         * archive.h (class Archive): Update declarations.
11775         (Archive::filename): New function.
11776         * object.cc: Include "cref.h".
11777         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11778         (Sized_relobj::do_get_global_symbol_counts): New function.
11779         (Input_objects::add_object): Add object to cross-referencer.
11780         (Input_objects::archive_start): New function.
11781         (Input_objects::archive_stop): New function.
11782         (Input_objects::print_symbol_counts): New function.
11783         * object.h: Declare Cref and Archive.
11784         (Object::get_global_symbol_counts): New function.
11785         (Object::do_get_global_symbol_counts): New pure virtual function.
11786         (class Sized_relobj): Add defined_count_ field.  Update
11787         declarations.
11788         (class Input_objects): Add cref_ field.  Update constructor.
11789         Update declarations.
11790         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11791         defined_count_.
11792         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11793         symbol counts.
11794         (Sized_dynobj::do_get_global_symbol_counts): New function.
11795         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11796         defined_count_.  Update declarations.  Define Symbols typedef.
11797         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11798         parameter.  Change all callers.
11799         (Symbol_table::add_from_dynobj): Add sympointers and defined
11800         parameters.  Change all callers.
11801         * symtab.h (class Symbol_table): Update declarations.
11802         * Makefile.am (CCFILES): Add cref.cc.
11803         (HFILES): Add cref.h.
11804         * Makefile.in: Rebuild.
11805
11806 2008-07-22  Simon Baldwin  <simonb@google.com>
11807
11808         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11809         to zero when writing undefined symbols.
11810
11811 2008-07-22  Ian Lance Taylor  <iant@google.com>
11812
11813         * output.cc (Output_section::add_input_section): Don't try to
11814         merge empty merge sections.
11815
11816 2008-07-21  Craig Silverstein  <csilvers@google.com>
11817
11818         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11819         Include symbol version in error message.
11820
11821 2008-07-20  Chris Demetriou  <cgd@google.com>
11822
11823         * configure.ac (gold_cv_c_random_seed): New configured variable.
11824         (RANDOM_SEED_CFLAGS): New substituted variable.
11825         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11826         * configure: Rebuild.
11827         * Makefile.in: Likewise.
11828         * testsuite/Makefile.in: Likewise.
11829
11830 2008-07-18  Ian Lance Taylor  <iant@google.com>
11831
11832         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11833         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11834         * testsuite/ver_test_main.cc (main): Call t4.
11835         (t4, t4_2a): Define.
11836         * testsuite/ver_test_2.cc (t4_2): Define.
11837         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11838         * testsuite/ver_test_4.cc (t4_2a): Define.
11839         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11840         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11841
11842 2008-07-17  Ian Lance Taylor  <iant@google.com>
11843
11844         * dynobj.cc (Versions::add_def): If we give an error about a
11845         missing version, go ahead and create the version anyhow.
11846
11847 2008-07-10  Ian Lance Taylor  <iant@google.com>
11848
11849         Handle output sections with more than 0x7fffffff bytes.
11850         * object.h (class Relobj): Change map_to_output_ to
11851         output_sections_, and just keep a section pointer.  Change all
11852         uses.  Move comdat group support to Sized_relobj.
11853         (Relobj::is_section_specially_mapped): Remove.
11854         (Relobj::output_section): Remove poff parameter.  Change all
11855         callers.
11856         (Relobj::output_section_offset): New function.
11857         (Relobj::set_section_offset): Rewrite.
11858         (Relobj::map_to_output): Remove.
11859         (Relobj::output_sections): New function.
11860         (Relobj::do_output_section_offset): New pure virtual function.
11861         (Relobj::do_set_section_offset): Likewise.
11862         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11863         group support from Relobj.  Update declarations.
11864         (Sized_relobj::get_output_section_offset): New function.
11865         (Sized_relobj::do_output_section_offset): New function.
11866         (Sized_relobj::do_set_section_offset): New function.
11867         * object.cc (Relobj::output_section_address): Remove.
11868         (Sized_relobj::Sized_relobj): Initialize new fields.
11869         (Sized_relobj::include_section_group): Cast find_kept_object to
11870         Sized_relobj.
11871         (Sized_relobj::include_linkonce_section): Likewise.
11872         (Sized_relobj::do_layout): Use separate arrays for output section
11873         and output offset.
11874         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11875         output_sections.
11876         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11877         output_sections and section_offsets.
11878         (Sized_relobj::write_local_symbols): Likewise.
11879         (map_to_kept_section): Compute output address directly.
11880         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11881         output_sections and section_offsets.
11882         (Sized_relobj::write_sections): Likewise.
11883         (Sized_relobj::relocate_sections): Likewise.
11884         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11885         * output.h (class Output_reloc): Update declarations.  Change
11886         u2_.relobj to Sized_relobj*.
11887         (class Output_data_reloc): Change add functions to use
11888         Sized_relobj*.
11889         * output.cc (Output_reloc::Output_reloc): Change relobj to
11890         Sized_relobj*.
11891         (Output_reloc::local_section_offset): Change return type to
11892         Elf_Addr.  Use get_output_section_offset.
11893         (Output_reloc::get_address): Likewise.
11894         (Output_section::is_input_address_mapped): Don't call
11895         is_section_specially_mapped.
11896         (Output_section::output_offset): Likewise.
11897         (Output_section::output_address): Likewise.
11898         (Output_section::starting_output_address): Likewise.
11899         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11900         parameter to Sized_relobj*.
11901         (Copy_relocs::need_copy_reloc): Likewise.
11902         (Copy_relocs::save): Likewise.
11903         * copy-relocs.h (class Copy_relocs): Update declarations.
11904         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11905         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11906         * target-reloc.h (relocate_for_relocatable): Change
11907         offset_in_output_section type to Elf_Addr.  Change code that uses
11908         it as well.
11909         * layout.cc (Layout::layout): Always set *off.
11910         * mapfile.cc (Mapfile::print_input_section): Use
11911         output_section_offset.
11912         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11913         Sized_relobj*.
11914         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11915         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11916         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11917
11918 2008-07-03  Ian Lance Taylor  <iant@google.com>
11919
11920         * layout.cc (Layout::include_section): Do not discard unrecognized
11921         SHT_STRTAB sections.
11922
11923 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11924
11925         * script.cc (Lex::can_continue_name): Make '?' allowable in
11926         version-script names.
11927         * testsuite/version_script.map: Change glob pattern to use '?'
11928
11929 2008-06-30  Manish Singh  <yosh@gimp.org>
11930
11931         PR 6585
11932         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11933         Correct typo.
11934
11935 2008-06-30  Ian Lance Taylor  <iant@google.com>
11936
11937         PR 6660
11938         PR 6682
11939         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11940         versions]: Don't try to read the value in the contents, since we
11941         don't use it.  Use the template endianness when writing.
11942
11943 2008-06-25  Cary Coutant  <ccoutant@google.com>
11944
11945         * fileread.cc (File_read::make_view): Assert on zero-length view.
11946         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11947         symbol table when there are no symbols to read.
11948
11949 2008-06-23  Craig Silverstein  <csilvers@google.com>
11950
11951         * version.cc (version_string): Bump to 1.7
11952
11953 2008-06-18  Craig Silverstein  <csilvers@google.com>
11954
11955         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11956         constant 0xFFFF to type Valtype.
11957         (Powerpc_relocate_functions::rel16_ha): Likewise.
11958
11959 2008-06-17  Ian Lance Taylor  <iant@google.com>
11960
11961         * output.h (Output_section::Input_section): Initialize p2align_ to
11962         zero for Output_section_data constructors.
11963         (Output_section::Input_section::addralign): If not an input
11964         section, return the alignment of the Output_section_data.
11965         * testsuite/copy_test.cc: New file.
11966         * testsuite/copy_test_1.cc: New file.
11967         * testsuite/copy_test_2.cc: New file.
11968         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11969         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11970         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11971         (copy_test_1_pic.o, copy_test_1.so): New targets.
11972         (copy_test_2_pic.o, copy_test_2.so): New targets.
11973         * testsuite/Makefile.in: Rebuild.
11974
11975         * script-sections.cc (Script_sections::place_orphan): Initialize
11976         local variable exact.
11977
11978 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11979
11980         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11981
11982 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11983             David S. Miller  <davem@davemloft.net>
11984
11985         * powerpc.cc: New file.
11986         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11987         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11988         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11989         * Makefile.in: Rebuild.
11990
11991 2008-06-09  Ian Lance Taylor  <iant@google.com>
11992
11993         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11994         <exception>.
11995         (throwing, orig_terminate): New static variables.
11996         (terminate_handler): New static function.
11997         (t2): Set terminate handler.
11998
11999 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
12000
12001         PR 6584
12002         * binary.cc (Binary_to_elf::sized_convert): Fix .data
12003         alignment.
12004
12005 2008-05-30  Cary Coutant  <ccoutant@google.com>
12006
12007         * archive.cc (Archive::include_all_members) Correct to step
12008         over symbol table and extended name table in thin archives.
12009
12010 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
12011
12012         PR 6407
12013         * target-reloc.h (relocate_for_relocatable): Fix new_offset
12014         calculation.
12015
12016 2008-05-28  Caleb Howe  <cshowe@google.com>
12017
12018         * reduced_debug_output.cc: New file.
12019         * reduced_debug_output.h: New file.
12020         * options.h (class General_options): Add --strip-debug-non-line.
12021         * options.cc (General_options::finalize): Add strip_debug_non_line
12022         to the strip heirarchy.
12023         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
12024         fields.
12025         * layout.cc: Include "reduced_debug_output.h".
12026         (Layout::Layout): Initialize new fields.
12027         (line_only_debug_sections): New static array.
12028         (is_lines_only_debug_sections): New static inline function.
12029         (Layout::include_section): Handle --strip-debug-non-line.
12030         (Layout::make_output_section): If --strip-debug-non-line, build
12031         new output sections for .debug_abbrev and .debug_info.
12032         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
12033         gold.  Warn about possible overflow.
12034         (read_signed_LEB_128): Likewise.
12035         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
12036         (read_signed_LEB_128): Declare.
12037         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
12038         (HFILES): Add reduced_debug_output.h.
12039         * Makefile.in: Rebuild.
12040
12041 2008-05-21  Ian Lance Taylor  <iant@google.com>
12042
12043         * mapfile.cc: New file.
12044         * mapfile.h: New file.
12045         * options.h (class General_options): Add -M/--print-map and -Map.
12046         * options.cc (General_options::finalize): Make -M equivalent to
12047         -Map -.
12048         * main.cc: Include <cstdio> and "mapfile.h".
12049         (main): Open mapfile if requested.
12050         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
12051         constructor.  Change caller.
12052         (queue_initial_tasks): Add mapfile parameter.  Change caller.
12053         (queue_middle_tasks): Likewise.
12054         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
12055         declarations.
12056         * archive.cc: Include "mapfile.h".
12057         (Archive::add_symbols): Add mapfile parameter.  Change all
12058         callers.  Pass mapfile, symbol, and reason to include_member.
12059         (Archive::include_all_members): Add mapfile parameter.  Change all
12060         callers.
12061         (Archive::include_member): Add mapfile, sym, and why parameters.
12062         Change all callers.  Report inclusion to map file.
12063         * archive.h: Include "fileread.h".
12064         (class Archive): Update declarations.
12065         (Archive::file): New const method.
12066         (class Add_archive_symbols): Add mapfile_ field.  Update
12067         constructor.  Change all callers.
12068         * readsyms.h (class Read_symbols): Likewise.
12069         (class Finish_group): Likewise.
12070         (class Read_script): Likewise.
12071         * common.cc: Include "mapfile.h".
12072         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
12073         all callers.
12074         (Symbol_table::do_allocate_commons): Likewise.
12075         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
12076         symbol allocation to mapfile.
12077         * common.h (class Allocate_commons_task): Add mapfile_ field.
12078         Update constructor.  Change all callers.
12079         * symtab.h (class Symbol_table): Update declarations.
12080         * layout.cc: Include "mapfile.h".
12081         (Layout_task_runner::run): Print information to mapfile.
12082         (Layout::create_gold_note): Change Output_data_fixed_space to
12083         Output_data_zero_fill.
12084         (Layout::create_build_id): Likewise.
12085         (Layout::print_to_mapfile): New function.
12086         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
12087         constructor.  Change caller.
12088         (class Layout): Declare print_to_mapfile.
12089         * output.cc (Output_section::Input_section::print_to_mapfile): New
12090         function.
12091         (Output_section::add_input_section): If producing a map, always
12092         add to input_sections_ list.
12093         (Output_section::do_print_to_mapfile): New function.
12094         (Output_segment::print_sections_to_mapfile): New function.
12095         (Output_segment::print_section_list_to_mapfile): New function.
12096         * output.h: Include "mapfile.h".
12097         (Output_data::print_to_mapfile): New function.
12098         (Output_data::do_print_to_mapfile): New virtual function.
12099         (Output_segment_headers::do_print_to_mapfile): New function.
12100         (Output_file_header::do_print_to_mapfile): New function.
12101         (Output_data_const::do_print_to_mapfile): New function.
12102         (class Output_data_const_buffer): Add map_name_ field.  Update
12103         constructor.  Change all callers.  Add do_print_to_mapfile
12104         function.
12105         (class Output_data_fixed_space): Likewise.
12106         (class Output_data_space): Likewise.
12107         (class Output_data_zero_fill): New class.
12108         (Output_data_strtab::do_print_to_mapfile): New function.
12109         (Output_data_reloc_base::do_print_to_mapfile): New function.
12110         (Output_relocatable_relocs::do_print_to_mapfile): New function.
12111         (Output_data_group::do_print_to_mapfile): New function.
12112         (Output_data_got::do_print_to_mapfile): New function.
12113         (Output_data_dynamic::do_print_to_mapfile): New function.
12114         (Output_symtab_xindex::do_print_to_mapfile): New function.
12115         (class Output_section): Declare do_print_to_mapflie.  Declare
12116         print_to_mapfile in Input_section.
12117         (class Output_segment): Declare new functions.
12118         * object.h (Sized_relobj::symbol_count): New function.
12119         * script-sections.cc
12120         (Output_section_element_dot_assignment::set_section_addresses):
12121         Change Output_data_fixed_space to Output_data_zero_fill.
12122         (Output_data_expression::do_print_to_mapfile): New function.
12123         * script.cc (read_input_script): Add mapfile parameter.  Change
12124         all callers.
12125         * script.h (read_input_script): Update declaration.
12126         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
12127         (Eh_frame::do_print_to_mapfile): New function.
12128         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
12129         (Output_merge_string::do_print_to_mapfile): New function.
12130         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
12131         function.
12132         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
12133         function.
12134         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
12135         function.
12136         * Makefile.am (CCFILES): Add mapfile.cc.
12137         (HFILES): Add mapfile.h.
12138         * Makefile.in: Rebuild.
12139
12140 2008-05-19  Ian Lance Taylor  <iant@google.com>
12141
12142         * options.h (class General_options): Add -z relro.
12143         * layout.cc (Layout::Layout): Initialize relro_segment_.
12144         (Layout::add_output_section_data): Return the output section.
12145         (Layout::make_output_section): Rcognize relro sections and mark
12146         them appropriately.
12147         (Layout::attach_allocated_section_to_segment): Put relro sections
12148         in a PT_GNU_RELRO segment.
12149         (Layout::create_initial_dynamic_sections): Mark the .dynamic
12150         section as relro.
12151         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
12152         PT_TLS segments.
12153         (Layout::linkonce_mapping): Map d.rel.ro.local to
12154         .data.rel.ro.local.
12155         (Layout::output_section_name): Us .data.rel.ro.local for any
12156         section which begins with that.
12157         * layout.h (class Layout): Update add_output_section_data
12158         declaration.  Add relro_segment_ field.
12159         * output.cc (Output_section::Output_section): Initialize is_relro_
12160         and is_relro_local_ fields.
12161         (Output_segment::add_output_section): Group relro sections.
12162         (Output_segment::is_first_section_relro): New function.
12163         (Output_segment::maximum_alignment): If there is a relro section,
12164         align the segment to the common page size.
12165         (Output_segment::set_section_addresses): Track whether we are
12166         looking at relro sections.  If the last section is a relro
12167         section, align to the common page size.
12168         (Output_segment::set_section_list_addresses): Add in_relro
12169         parameter.  Change all callers.  Align to the page size when
12170         moving from relro to non-relro section.
12171         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
12172         segment.
12173         * output.h (class Output_section): Add is_relro_ and
12174         is_relro_local_ fields.
12175         (Output_section::is_relro): New function.
12176         (Output_section::set_is_relro): New function.
12177         (Output_section::is_relro_local): New function.
12178         (Output_section::set_is_relro_local): New function.
12179         (class Output_segment): Update declarations.
12180         * i386.cc (Target_i386::got_section): Mark .got section as relro.
12181         * sparc.cc (Target_sparc::got_section): Likewise.
12182         * x86_64.cc (Target_x86_64::got_section): Likewise.
12183         * testsuite/relro_test_main.cc: New file.
12184         * testsuite/relro_test.cc: New file.
12185         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
12186         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
12187         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
12188         (relro_test.so, relro_test_pic.o): New targets.
12189         * testsuite/Makefile.in: Rebuild.
12190
12191 2008-05-16  Ian Lance Taylor  <iant@google.com>
12192
12193         * output.cc (Output_segment::add_output_section): Remove front
12194         parameter.
12195         * output.h (class Output_segment): Remove
12196         add_initial_output_section and overloaded add_output_section.
12197         Update declaration of remaining add_output_section.
12198         * layout.cc (Layout::create_interp): Call add_output_section
12199         rather than add_initial_output_section.
12200         (Layout::finish_dynamic_section): Likewise.
12201
12202         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
12203         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
12204         know the dynamic type.
12205         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
12206         field.  Initialize it in constructor.
12207         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
12208         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
12209         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
12210         reloc.
12211
12212         * output.cc (Output_reloc::get_address): Change return type to
12213         Elf_Addr.
12214         * output.h (class Output_reloc): Update get_address declaration.
12215         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
12216         for section addresses.
12217
12218 2008-05-09  Ian Lance Taylor  <iant@google.com>
12219
12220         PR 6493
12221         * gold.cc (gold_nomem): Use return value of write.
12222
12223 2008-05-08  Ian Lance Taylor  <iant@google.com>
12224
12225         * symtab.c (Symbol::init_base_output_data): Add version
12226         parameter.  Change all callers.
12227         (Symbol::init_base_output_segment): Likewise.
12228         (Symbol::init_base_constant): Likewise.
12229         (Symbol::init_base_undefined): Likewise.
12230         (Sized_symbol::init_output_data): Likewise.
12231         (Sized_symbol::init_output_segment): Likewise.
12232         (Sized_symbol::init_constant): Likewise.
12233         (Sized_symbol::init_undefined): Likewise.
12234         (Symbol_table::do_define_in_output_data): If the new symbol has a
12235         version, mark it as the default.
12236         (Symbol_table::do_define_in_output_segment): Likewise.
12237         (Symbol_table::do_define_as_constant): Likewise.
12238         * symtab.h (class Symbol): Update declarations.
12239         (class Sized_symbol): Likewise.
12240         * resolve.cc (Symbol::override_version): New function.
12241         (Symbol::override_base): Call override_version.
12242         (Symbol::override_base_with_special): Likewise.
12243         * testsuite/ver_script_8.script: New file.
12244         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
12245         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
12246         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
12247         (ver_test_8_1.so, ver_test_8_2.so): New targets.
12248
12249 2008-05-06  Ian Lance Taylor  <iant@google.com>
12250
12251         PR 6049
12252         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
12253         functions.
12254         (class General_options): Remove existing --undefined, and add
12255         --no-undefined instead.  Add new --undefined as synonym for -u.
12256         * archive.cc (Archive::add_symbols): Check whether symbol was
12257         named with -u.
12258         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
12259         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
12260         all uses.  Add IS_UNDEFINED.  Update declarations to split
12261         different versions of init_base.  Declare init_base_undefined.
12262         (Symbol::is_defined): Handle IS_UNDEFINED.
12263         (Symbol::is_undefined): Likewise.
12264         (Symbol::is_weak_undefined): Call is_undefined.
12265         (Symbol::is_absolute): Handle IS_CONSTANT.
12266         (class Sized_symbol): Update declarations to split different
12267         versions of init.  Declare init_undefined.
12268         (class Symbol_table): Declare new functions.
12269         * symtab.cc (Symbol::init_base_object): Rename from init_base.
12270         Change all callers.
12271         (Symbol::init_base_output_data): Likewise.
12272         (Symbol::init_base_output_segment): Likewise.
12273         (Symbol::init_base_constant): Likewise.
12274         (Symbol::init_base_undefined): New function.
12275         (Sized_symbol::init_object): Rename from init.  Change all
12276         callers.
12277         (Sized_symbol::init_output_data): Likewise.
12278         (Sized_symbol::init_output_segment): Likewise.
12279         (Sized_symbol::init_constant): Likewise.
12280         (Sized_symbol::init_undefined): New function.
12281         (Symbol_table::add_undefined_symbols_from_command_line): New
12282         function.
12283         (Symbol_table::do_add_undefined_symbols_from_command_line): New
12284         function.
12285         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
12286         (Symbol::output_section): Likewise.
12287         (Symbol::set_output_section): Likewise.
12288         (Symbol_table::sized_finalize_symbol): Likewise.
12289         (Symbol_table::sized_write_globals): Likewise.
12290         * resolve.cc (Symbol_table::should_override): Likewise.
12291         (Symbol::override_base_with_special): Likewise.
12292
12293         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
12294         symbol, change it to have default visibility.
12295         * testsuite/protected_1.cc: New file.
12296         * testsuite/protected_2.cc: New file.
12297         * testsuite/protected_3.cc: New file.
12298         * testsuite/protected_main_1.cc: New file.
12299         * testsuite/protected_main_2.cc: New file.
12300         * testsuite/protected_main_3.cc: New file.
12301         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
12302         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
12303         (protected_1_LDFLAGS, protected_1_LDADD): Define.
12304         (protected_1.so): New target.
12305         (protected_1_pic.o, protected_2_pic.o): New targets.
12306         (protected_3_pic.o): New target.
12307         (check_PROGRAMS): Add protected_2.
12308         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
12309         (protected_2_LDFLAGS, protected_2_LDADD): Define.
12310         * testsuite/Makefile.in: Rebuild.
12311
12312         * options.h (DEFINE_var): Add set_user_set_##varname__.
12313         (DEFINE_bool_alias): New macro.
12314         (class General_options): Define -Bstatic using DEFINE_bool_alias
12315         rather than DEFINE_special.  Add --undefined as an alias for -z
12316         defs.
12317         * options.cc (General_options::parse_Bstatic): Remove.
12318
12319         * options.h (class General_options): Add --fatal-warnings.
12320         * main.cc (main): Implement --fatal-warnings.
12321         * errors.h (Errors::warning_count): New function.
12322
12323         * options.h (class General_options): Add -Bsymbolic-functions.
12324         * symtab.h (Symbol::is_preemptible): Check for
12325         -Bsymbolic-functions.
12326
12327 2008-05-05  Ian Lance Taylor  <iant@google.com>
12328
12329         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12330         as noVARNAME rather than no-VARNAME.
12331         (class General_options): Add option -z combreloc.
12332         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12333         get_address.
12334         (Output_reloc::sort_before) [SHT_REL]: New function.
12335         (Output_reloc::sort_before) [SHT_RELA]: New function.
12336         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12337         Sort_relocs_comparison.
12338         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12339         parameter.  Change all callers.
12340         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12341         sort_relocs parameter.  Change all callers.
12342         * output.cc (Output_reloc::get_address): New function, broken out
12343         of write_rel.
12344         (Output_reloc::write_rel): Call it.
12345         (Output_reloc::compare): New function.
12346         (Output_data_reloc_base::do_write): Optionally sort relocs.
12347
12348         * configure.ac: If targ_extra_obj is set, link it in.
12349         * configure.tgt: Initialize all variables.
12350         (x86_64*): Set targ_extra_obj and targ_extra_size.
12351         * configure: Rebuild.
12352
12353         * object.cc (Sized_relobj::include_section_group): Adjust section
12354         indexes read from group data.  Build vector to pass to
12355         layout_group.
12356         * layout.cc (Layout::layout_group): Add flags and shndxes
12357         parameters.  Remove contents parameter.  Change caller.  Update
12358         explicit instantiations.
12359         * layout.h (class Layout): Update layout_group declaration.
12360         * output.cc (Output_data_group::Output_data_group): Add flags and
12361         input_shndxes parameters.  Remove contents parameter.  Change
12362         caller.
12363         (Output_data_group::do_write): Change input_sections_ to
12364         input_shndxes_.
12365         * output.h (class Output_data_group): Update constructor
12366         declaration.  Rename input_sections_ to input_shndxes_.
12367         * testsuite/many_sections_test.cc: Add template.
12368
12369 2008-04-30  Cary Coutant  <ccoutant@google.com>
12370
12371         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12372
12373         * layout.cc (Layout::include_section): Refactored check for debug
12374         info section.
12375         (Layout::add_comdat): Add new parameters.  Change type
12376         of signature parameter.  Add object and shndx to signatures table.
12377         (Layout::find_kept_object): New function.
12378         * layout.h: Include <cstring>.
12379         (Layout::is_debug_info_section): New function.
12380         (Layout::add_comdat): Add new parameters.
12381         (Layout::find_kept_object): New function.
12382         (Layout::Kept_section): New struct.
12383         (Layout::Signatures): Change type of map range.
12384         * object.cc (Relobj::output_section_address): New function.
12385         (Sized_relobj::include_section_group): Add new parameters.  Change
12386         calls to Layout::add_comdat.  Change to build table of kept comdat
12387         groups and table mapping discarded sections to kept sections.
12388         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12389         (Sized_relobj::do_layout): Change calls to include_section_group and
12390         include_linkonce_section.
12391         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12392         value to zero when section is discarded.
12393         (Sized_relobj::map_to_kept_section): New function.
12394         * object.h (Relobj::output_section_address): New function.
12395         (Relobj::Comdat_group): New type.
12396         (Relobj::find_comdat_group): New function.
12397         (Relobj::Comdat_group_table): New type.
12398         (Relobj::Kept_comdat_section): New type.
12399         (Relobj::Kept_comdat_section_table): New type.
12400         (Relobj::add_comdat_group): New function.
12401         (Relobj::set_kept_comdat_section): New function.
12402         (Relobj::get_kept_comdat_section): New function.
12403         (Relobj::comdat_groups_): New field.
12404         (Relobj::kept_comdat_sections_): New field.
12405         (Symbol_value::input_value): Update comment.
12406         (Sized_relobj::map_to_kept_section) New function.
12407         (Sized_relobj::include_linkonce_section): Add new parameter.
12408         * target-reloc.h (Comdat_behavior): New type.
12409         (get_comdat_behavior): New function.
12410         (relocate_section): Add code to map a discarded section to the
12411         corresponding kept section when applying a relocation.
12412
12413 2008-04-30  Craig Silverstein  <csilvers@google.com>
12414
12415         * dwarf_reader.cc (next_generation_count): New static var.
12416         (Addr2line_cache_entry): New struct.
12417         (addr2line_cache): New static var.
12418         (Dwarf_line_info::one_addr2line): Added caching.
12419         (Dwarf_line_info::clear_addr2line_cache): New function.
12420         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12421         cache-size parameter.
12422         (Dwarf_line_info::one_addr2line_cache): New function.
12423         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12424         new cache-size argument to one_addr2line(), and clear cache.
12425
12426 2008-04-28  Cary Coutant  <ccoutant@google.com>
12427
12428         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12429         R_386_PC8 relocations.
12430
12431 2008-04-23  Ian Lance Taylor  <iant@google.com>
12432
12433         * object.cc (Sized_relobj::include_section_group): Check for
12434         invalid section group.
12435
12436         * object.cc (make_elf_object): Correct test for 64-bit ELF file
12437         header size.
12438
12439         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
12440         than read for file header.
12441         * archive.cc (Archive::include_member): Likewise.
12442
12443 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
12444
12445         * aclocal.m4: Regenerate.
12446         * configure: Regenerate.
12447
12448 2008-04-19  Ian Lance Taylor  <iant@google.com>
12449
12450         * version.cc (version_string): Bump to 1.6.
12451
12452         * testsuite/Makefile.am (many_sections_r_test): New target.
12453         (many_sections_r_test_SOURCES): Remove.
12454         (many_sections_r_test_DEPENDENCIES): Remove.
12455         (many_sections_r_test_LDFLAGS): Remove.
12456         (many_sections_r_test_LDADD): Remove.
12457
12458         * object.cc (Sized_relobj::do_add_symbols): Always pass
12459         local_symbol_count_ to add_from_relobj.
12460
12461         * testsuite/Makefile.am (many_sections_check.h): Only check one in
12462         every thousand variables.
12463         * testsuite/Makefile.in: Rebuild.
12464
12465         * object.cc (Xindex::initialize_symtab_xindex): New function.
12466         (Xindex::read_symtab_xindex): New function.
12467         (Xindex::sym_xindex_to_shndx): New function.
12468         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
12469         available.
12470         (Sized_relobj::do_initialize_xindex): New function.
12471         (Sized_relobj::do_read_symbols): Adjust section links.
12472         (Sized_relobj::symbol_section_and_value): Add is_ordinary
12473         parameter.  Change all callers.
12474         (Sized_relobj::include_section_group): Adjust section links and
12475         symbol section indexes.
12476         (Sized_relobj::do_layout): Adjust section links.
12477         (Sized_relobj::do_count_local_symbols): Adjust section links and
12478         symbol section indexes.
12479         (Sized_relobj::do_finalize_local_symbols): Distinguish between
12480         ordinary and special symbols.
12481         (Sized_relobj::write_local_symbols): Add symtab_xindex and
12482         dynsym_xindex parameters.  Change all callers.  Adjust section
12483         links.  Use SHN_XINDEX when needed.
12484         (Sized_relobj::get_symbol_location_info): Adjust section links.
12485         Don't get fooled by special symbols.
12486         * object.h (class Xindex): Define.
12487         (class Object): Add xindex_ parameter.  Declare virtual functoin
12488         do_initialize_xindex.
12489         (Object::adjust_sym_shndx): New function.
12490         (Object::set_xindex): New protected function.
12491         (class Symbol_value): Add is_ordinary_shndx_ field.
12492         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
12493         (Symbol_value::value): Assert ordinary section.
12494         (Symbol_value::initialize_input_to_output_map): Likewise.
12495         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
12496         Change all callers.
12497         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
12498         all callers.
12499         (class Sized_relobj): Update declarations.
12500         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
12501         parameter.  Change all callers.
12502         (Sized_relobj::adjust_shndx): New function.
12503         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
12504         field.
12505         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
12506         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
12507         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
12508         (Sized_dynobj::read_dynsym_section): Adjust section links.
12509         (Sized_dynobj::read_dynamic): Likewise.
12510         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
12511         section links.
12512         (Sized_dynobj::do_initialize_xindex): New function.
12513         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
12514         do_initialize_xindex.
12515         (Sized_dynobj::adjust_shndx): New function.
12516         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
12517         dynsym_xindex_ fields.
12518         (Layout::finalize): Add a call to set_section_indexes before
12519         creating the symtab sections.
12520         (Layout::set_section_indexes): Don't do anything if the section
12521         already has a section index.
12522         (Layout::create_symtab_sections): Add shnum parameter.  Change
12523         caller.  Create .symtab_shndx section if needed.
12524         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
12525         caller.
12526         (Layout::allocated_output_section_count): New function.
12527         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
12528         needed.
12529         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
12530         fields.  Update declarations.
12531         (Layout::symtab_xindex): New function.
12532         (Layout::dynsym_xindex): New function.
12533         (class Write_symbols_task): Add layout_ field.
12534         (Write_symbols_task::Write_symbols_task): Add layout parameter.
12535         Change caller.
12536         * output.cc (Output_section_headers::Output_section_headers): Add
12537         shstrtab_section parameter.  Change all callers.
12538         (Output_section_headers::do_sized_write): Store overflow values
12539         for section count and section string table section index in
12540         section header zero.
12541         (Output_file_header::do_sized_write): Check for overflow of
12542         section count and section string table section index.
12543         (Output_symtab_xindex::do_write): New function.
12544         (Output_symtab_xindex::endian_do_write): New function.
12545         * output.h (class Output_section_headers): Add shstrtab_section_.
12546         Update declarations.
12547         (class Output_symtab_xindex): Define.
12548         (Output_section::has_out_shndx): New function.
12549         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
12550         field.
12551         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
12552         Change all callers.
12553         (Sized_symbol::init): Likewise.
12554         (Symbol::output_section): Check for ordinary symbol.
12555         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
12556         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
12557         callers.
12558         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
12559         Change all callers.  Simplify handling of symbols from sections
12560         not included in the link.
12561         (Symbol_table::add_from_dynobj): Handle ordinary symbol
12562         distinction.
12563         (Weak_alias_sorter::operator()): Assert that symbols are
12564         ordinary.
12565         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
12566         distinction.
12567         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
12568         parameters.  Change all callers.
12569         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
12570         symbol distinction.  Use SHN_XINDEX when needed.
12571         (Symbol_table::write_section_symbol): Add symtab_xindex
12572         parameter.  Change all callers.
12573         (Symbol_table::sized_write_section_symbol): Likewise.  Use
12574         SHN_XINDEX when needed.
12575         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
12576         declarations.
12577         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
12578         (Symbol::is_defined): Check is_ordinary.
12579         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
12580         (Symbol::is_absolute, Symbol::is_common): Likewise.
12581         (class Sized_symbol): Update declarations.
12582         (class Symbol_table): Update declarations.
12583         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
12584         parameters.  Change all callers.
12585         (Sized_symbol::override): Likewise.
12586         (Symbol_table::override): Likewise.
12587         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
12588         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
12589         is_ordinary, and orig_st_shndx parameters.  Change all callers.
12590         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
12591         to be in an ordinary section.
12592         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
12593         object and is_ordinary parameters.  Change all callers.
12594         (Sized_dwarf_line_info::read_relocs): Add object parameter.
12595         Change all callers.  Don't add undefined or non-ordinary symbols
12596         to reloc_map_.
12597         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
12598         Change all callers.
12599         * dwarf_reader.h (class Sized_dwarf_line_info): Update
12600         declarations.
12601         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
12602         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
12603         (Sized_relobj::relocate_sections): Likewise.
12604         * target-reloc.h (scan_relocs): Adjust section symbol index.
12605         (scan_relocatable_relocs): Likewise.
12606         * i386.cc (Scan::local): Check for ordinary symbols.
12607         * sparc.cc (Scan::local): Likewise.
12608         * x86_64.cc (Scan::local): Likewise.
12609         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
12610         to symbol_section_and_value.
12611         * testsuite/many_sections_test.cc: New file.
12612         * testsuite/Makefile.am (BUILT_SOURCES): Define.
12613         (check_PROGRAMS): Add many_sections_test.
12614         (many_sections_test_SOURCES): Define.
12615         (many_sections_test_DEPENDENCIES): Define.
12616         (many_sections_test_LDFLAGS): Define.
12617         (BUILT_SOURCES): Add many_sections_define.h.
12618         (many_sections_define.h): New target.
12619         (BUILT_SOURCES): Add many_sections_check.h.
12620         (many_sections_check.h): New target.
12621         (check_PROGRAMS): Add many_sections_r_test.
12622         (many_sections_r_test_SOURCES): Define.
12623         (many_sections_r_test_DEPENDENCIES): Define.
12624         (many_sections_r_test_LDFLAGS): Define.
12625         (many_sections_r_test_LDADD): Define.
12626         (many_sections_r_test.o): New target.
12627         * testsuite/Makefile.in: Rebuild.
12628
12629 2008-04-17  Cary Coutant  <ccoutant@google.com>
12630
12631         * errors.cc (Errors::info): New function.
12632         (gold_info): New function.
12633         * errors.h (Errors::info): New function.
12634         * gold.h (gold_info): New function.
12635         * object.cc (Input_objects::add_object): Print trace output.
12636         * options.cc (options::parse_set): New function.
12637         (General_options::parse_wrap): Deleted.
12638         (General_options::General_options): Deleted initializer.
12639         * options.h (options::String_set): New typedef.
12640         (options::parse_set): New function.
12641         (DEFINE_set): New macro.
12642         (General_options::wrap): Changed to use DEFINE_set. Changed
12643         callers of any_wrap_symbols and is_wrap_symbol.
12644         (General_options::trace, General_options::trace_symbol):
12645         New options.
12646         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
12647         (General_options::wrap_symbols_): Deleted.
12648         * symtab.cc (Symbol_table::add_from_object): Print trace output.
12649
12650 2008-04-17  David S. Miller  <davem@davemloft.net>
12651
12652         * options.cc (General_options::parse_V): New function.
12653         * options.h: Add entries for -V and -Qy.
12654
12655 2008-04-17  Ian Lance Taylor  <iant@google.com>
12656
12657         * common.cc (Symbol_table::allocate_commons): Remove options
12658         parameter.  Change caller.
12659         (Symbol_table::do_allocate_commons): Remove options parameter.
12660         Change caller.  Just call do_allocate_commons_list twice.
12661         (Symbol_table::do_allocate_commons_list): New function, broken out
12662         of do_allocate_commons.
12663         * common.h (class Allocate_commons_task): Remove options_ field.
12664         Update constructor.
12665         * symtab.cc (Symbol_table::Symbol_table): Initialize
12666         tls_commons_.
12667         (Symbol_table::add_from_object): Put TLS common symbols on
12668         tls_commons_ list.
12669         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
12670         which are IN_OUTPUT_DATA.
12671         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
12672         allocate_commons and do_allocate_commons declarations.  Declare
12673         do_allocate_commons_list.
12674         * gold.cc (queue_middle_tasks): Update creation of
12675         Allocate_commons_task to not pass options.
12676         * testsuite/Makefile.am (INCLUDES): Add -I.. .
12677         (TLS_TEST_C_FLAGS): New variable.
12678         (tls_test_c_pic.o): New target.
12679         (tls_test_shared.so): Link in tls_test_c_pic.o.
12680         (tls_test_c_pic_ie.o): New target.
12681         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
12682         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
12683         (tls_test_c.o): New target.
12684         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
12685         (tls_pic_test_LDADD): Likewise.
12686         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
12687         (tls_shared_gd_to_ie_test_LDADD): Likewise.
12688         (tls_test_c_gnu2.o): New target.
12689         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
12690         tls_test_c_gnu2.o.
12691         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
12692         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
12693         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
12694         * testsuite/tls_test.cc: Include "config.h".
12695         (t_last): Call t11_last.
12696         * testsuite/tls_test.h (t11, t11_last): Declare.
12697         * testsuite/tls_test_c.c: New file.
12698         * testsuite/tls_test_main.cc (thread_routine): Call t11.
12699         * configure.ac: Check for OpenMP support.
12700         * configure, config.in, Makefile.in: Rebuild.
12701         * testsuite/Makefile.in: Rebuild.
12702
12703 2008-04-16  Cary Coutant  <ccoutant@google.com>
12704
12705         * i386.cc (Target_i386::define_tls_base_symbol): New function.
12706         (Target_i386::tls_base_symbol_defined_): New field.
12707         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12708         (Target_i386::Scan::global): Likewise.
12709         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
12710         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
12711         (Target_x86_64::tls_base_symbol_defined_): New field.
12712         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12713         (Target_x86_64::Scan::global): Likewise.
12714
12715 2008-04-16  Cary Coutant  <ccoutant@google.com>
12716
12717         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
12718         (Symbol::needs_plt_entry): Allow weak undefined symbols.
12719         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
12720         building shared libraries.
12721         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
12722         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
12723         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
12724         * testsuite/Makefile.in: Rebuild.
12725         * testsuite/weak_undef.h: New file.
12726         * testsuite/weak_undef_file1.cc: Add extra test cases.
12727         * testsuite/weak_undef_file2.cc: Likewise.
12728         * testsuite/weak_undef_test.cc: Likewise.
12729
12730 2008-04-16  David S. Miller  <davem@davemloft.net>
12731
12732         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12733         Add issued_non_pic_error_ field.  Declare check_non_pic.
12734         (Target_sparc::Scan::check_non_pic): New function.
12735         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12736         (Target_sparc::Scan::global): Likewise.
12737
12738         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12739         * configure: Rebuild.
12740
12741         * options.h (DEFINE_enable): New macro.
12742         (new_dtags): New enable option.
12743         (initfirst, interpose, loadfltr, nodefaultlib,
12744         nodelete, nodlopen, nodump): New -z options.
12745         * layout.cc (Layout:finish_dynamic_section): If new
12746         dtags enabled, emit DT_RUNPATH.  Also, emit a
12747         DT_FLAGS_1 containing any specified -z flags.
12748
12749 2008-04-16  Ian Lance Taylor  <iant@google.com>
12750
12751         * copy-relocs.cc: New file.
12752         * copy-relocs.h: New file.
12753         * reloc.cc: Remove Copy_relocs code.
12754         * reloc.h: Likewise.
12755         * reloc-types.h (struct Reloc_types) [both versions]: Add
12756         get_reloc_addend_noerror.
12757         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12758         variants of add_global which take an addend which must be zero.
12759         * i386.cc: Include "copy-relocs.h".
12760         (class Target_i386): Change type of copy_relocs_ to variable,
12761         update initializer.
12762         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12763         Change all callers.
12764         (Target_i386::do_finalize_sections): Change handling of
12765         copy_relocs_.
12766         * sparc.cc: Include "copy-relocs.h".
12767         (class Target_sparc): Change type of copy_relocs_ to variable,
12768         update initializer.
12769         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12770         Change all callers.
12771         (Target_sparc::do_finalize_sections): Change handling of
12772         copy_relocs_.
12773         * x86_64.cc: Include "copy-relocs.h".
12774         (class Target_x86_64): Change type of copy_relocs_ to variable,
12775         update initializer.
12776         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12777         class.  Change all callers.
12778         (Target_x86_64::do_finalize_sections): Change handling of
12779         copy_relocs_.
12780         * Makefile.am (CCFILES): Add copy-relocs.cc.
12781         (HFILES): Add copy-relocs.h.
12782
12783         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12784
12785         * testsuite/script_test_4.sh: Permit leading zeroes.
12786
12787 2008-04-15  Ian Lance Taylor  <iant@google.com>
12788
12789         * script-sections.cc (Script_sections::create_segments): Use
12790         header_size_adjustment even when there is enough room for the
12791         headers.
12792         * testsuite/script_test_4.sh: New file.
12793         * testsuite/script_test_4.t: New file.
12794         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12795         (check_DATA): Add script_test_4.stdout.
12796         (MOSTLYCLEANFILES): Likewise.
12797         (script_test_4): New target.
12798         (script_test_4.stdout): New target.
12799         * testsuite/Makefile.in: Rebuild.
12800
12801         * sparc.cc: Add definitions for Output_data_plt_sparc class
12802         constants.
12803
12804 2008-04-14  David S. Miller  <davem@davemloft.net>
12805
12806         * sparc.cc: New file.
12807         * Makefile.am (TARGETSOURCES): Add sparc.cc
12808         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12809         * configure.tgt: Document targ_extra_size and
12810         targ_extra_big_endian.  Add entries for sparc-* and
12811         sparc64-*.
12812         * configure.ac: Handle targ_extra_size and
12813         targ_extra_big_endian.
12814         * Makefile.in: Rebuild.
12815         * configure: Likewise.
12816         * po/POTFILES.in: Likewise.
12817         * po/gold.pot: Likewise.
12818
12819 2008-04-14  Ian Lance Taylor  <iant@google.com>
12820
12821         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12822         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12823         in the name/type/flags to section mapping.  Don't call
12824         allocate_output_section.
12825         (Layout::choose_output_section): Change parameter from adjust_name
12826         to is_input_section.  Don't permit input sections after sections
12827         are attached to segments.  Don't call allocate_output_section.
12828         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12829         not write_enable_output_section.
12830         (Layout::make_output_section): Don't push to
12831         unattached_section_list_ nor call attach_to_segment.  Call
12832         attach_section_to_segment if sections are attached.
12833         (Layout::attach_sections_to_segments): New function.
12834         (Layout::attach_section_to_segment): New function.
12835         (Layout::attach_allocated_section_to_segment): Rename from
12836         attach_to_segment.  Remove flags parameter.
12837         (Layout::allocate_output_section): Remove function.
12838         (Layout::write_enable_output_section): Remove function.
12839         * layout.h (class Layout): Update for above changes.  Add new
12840         field sections_are_attached_.
12841         * output.h (Output_section::update_flags_for_input_section): New
12842         function.
12843         * output.cc (Output_section::add_input_section): Call
12844         update_flags_for_input_section.
12845         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12846
12847 2008-04-11  Cary Coutant  <ccoutant@google.com>
12848
12849         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12850         thought unnecessary.
12851         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12852
12853 2008-04-11  Ian Lance Taylor  <iant@google.com>
12854
12855         * output.h (class Output_section_data): Remove inline definition
12856         of set_addralign.
12857         * output.cc (Output_section_data::set_addralign): New function.
12858
12859 2008-04-11  Cary Coutant  <ccoutant@google.com>
12860
12861         Add support for TLS descriptors for i386 and x86_64.
12862         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12863         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12864         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12865         GOT_TYPE_TLS_DESC.
12866         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12867         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12868         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12869         relocations.
12870         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12871         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12872         Fix problem with initial-exec relocations.
12873         (Target_i386::Relocate::relocate_tls): Likewise.
12874         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12875         relaxation.
12876         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12877         support for section-plus-offset dynamic table entries.
12878         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12879         (Output_data_dynamic::Dynamic_entry): Add support for
12880         section-plus-offset dynamic table entries.
12881         (Output_data_dynamic::Classification): Likewise.
12882         (Output_data_dynamic::classification_): Renamed offset_.
12883         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12884         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12885         (Target_x86_64::make_plt_section): New function.
12886         (Target_x86_64::reserve_tlsdesc_entries): New function.
12887         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12888         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12889         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12890         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12891         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12892         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12893         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12894         add extra PLT entry for TLS descriptors.
12895         (Output_data_plt_x86_64::got_): New field.
12896         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12897         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12898         fields.
12899         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12900         descriptors.
12901         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12902         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12903         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12904         R_386_TLS_DESC_CALL relocations.
12905         (Target_x86_64::Scan::global): Likewise.
12906         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12907         for TLS descriptors.
12908         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12909         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12910         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12911         GD-to-IE relaxation.
12912         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12913         and TLS_DESCRIPTORS.
12914         * Makefile.in: Rebuild.
12915         * configure: Rebuild.
12916         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12917         (tls_test_shared2.so): New target.
12918         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12919         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12920         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12921         (tls_shared_gd_to_ie_test_LDADD): New variable.
12922         (tls_shared_gnu2_gd_to_ie_test): New target.
12923         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12924         New targets.
12925         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12926         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12927         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12928         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12929         (tls_shared_gnu2_test): New target.
12930         (tls_test_gnu2_shared.so): New target.
12931         (tls_shared_gnu2_test_SOURCES): New variable.
12932         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12933         (tls_shared_gnu2_test_LDFLAGS): New variable.
12934         (tls_shared_gnu2_test_LDADD): New variable.
12935         * testsuite/Makefile.in: Rebuild.
12936         * testsuite/Makefile.
12937
12938 2008-04-11  Ian Lance Taylor  <iant@google.com>
12939
12940         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12941         justsyms.t.
12942         * testsuite/Makefile.in: Rebuild.
12943
12944         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12945         long.
12946         * testsuite/script_test_2.cc (main): Adjust test.
12947
12948 2008-04-11  David S. Miller  <davem@davemloft.net>
12949             Ian Lance Taylor  <iant@google.com>
12950
12951         * options.h (General_options): Add entries for '-Y' and
12952         '-relax'.
12953         * options.cc (General_options:finalize): If -Y was used, add those
12954         entries to the library path instead of the default "/lib" and
12955         "/usr/lib".
12956
12957 2008-04-11  David S. Miller  <davem@davemloft.net>
12958
12959         * testsuite/justsyms.t: Start at 0x100.
12960         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12961         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12962         long.
12963         * testsuite/script_test_2.cc: Adjust string and section length
12964         checks.
12965
12966 2008-04-09  Ian Lance Taylor  <iant@google.com>
12967
12968         PR gold/5996
12969         * script-sections.cc (Sections_element::allocate_to_segment): Add
12970         orphan parameter.
12971         (Output_section_definition::allocate_to_segment): Likewise.
12972         (Orphan_output_section::allocate_to_segment): Likewise.
12973         (Script_sections::attach_sections_using_phdrs_clause): Don't
12974         propagate non-PT_LOAD segments to orphan sections.
12975         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12976         readelf rather than objdump.
12977         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12978         .interp section and PT_INTERP segment are the same size.
12979         * testsuite/Makefile.in: Rebuild.
12980
12981         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12982         aliases for symbols defined in the same object.
12983         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12984         (weak_alias_test_SOURCES): New variable.
12985         (weak_alias_test_DEPENDENCIES): New variable.
12986         (weak_alias_test_LDFLAGS): New variable.
12987         (weak_alias_test_LDADD): New variable.
12988         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12989         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12990         (weak_alias_test_3.o): New target.
12991         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12992         * testsuite/weak_alias_test_main.cc: New file.
12993         * testsuite/weak_alias_test_1.cc: New file.
12994         * testsuite/weak_alias_test_2.cc: New file.
12995         * testsuite/weak_alias_test_3.cc: New file.
12996
12997 2008-04-08  Ian Lance Taylor  <iant@google.com>
12998
12999         * options.h (class General_options): Add --noinhibit-exec option.
13000         * main.cc (main): Check --noinhibit-exec.
13001
13002         * options.h (class General_options): Define --wrap as a special
13003         option.  Add wrap_symbols_ field.
13004         (General_options::any_wrap_symbols): New function.
13005         (General_options::is_wrap_symbol): New function.
13006         * options.cc (General_options::parse_wrap): New function.
13007         (General_options::General_options): Initialize wrap_symbols_.
13008         * symtab.cc (Symbol_table::wrap_symbol): New function.
13009         (Symbol_table::add_from_object): Handle --wrap.
13010         * symtab.h (class Symbol_table): Declare wrap_symbol.
13011         * target.h (Target::wrap_char): New function.
13012         (Target::Target_info): Add wrap_char field.
13013         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
13014         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
13015         * testsuite/testfile.cc (Target_test::test_target_info):
13016         Likewise.
13017
13018         * errors.cc (Errors::undefined_symbol): Mention symbol version if
13019         there is one.
13020
13021         * layout.h (class Layout): Add added_eh_frame_data_ field.
13022         * layout.cc (Layout::Layout): Initialize new field.
13023         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
13024         output section until we find a section we merged successfully.
13025         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
13026         that the size be non-zero.
13027
13028         * merge.cc (Object_merge_map::get_output_offset): Remove inline
13029         qualifier.
13030
13031 2008-04-08  Craig Silverstein  <csilvers@google.com>
13032
13033         * configure.ac: Export new conditional variable HAVE_ZLIB.
13034         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
13035         on HAVE_ZLIB.
13036         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
13037         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13038
13039 2008-04-07  Ian Lance Taylor  <iant@google.com>
13040
13041         * version.cc (version_string): Set to "1.5".
13042
13043         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
13044         Add issued_non_pic_error_ field.  Declare check_non_pic.
13045         (Target_x86_64::Scan::check_non_pic): New function.
13046         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
13047         (Target_x86_64::Scan::global): Likewise.
13048
13049         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
13050         addend parameter.  Change caller.  Handle merge sections.
13051         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
13052         Address to Addend.  Don't add in the result of
13053         local_section_offset, pass down the addend and use the returned
13054         value.
13055         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
13056         Update declarations of local_section_offset and symbol_value.
13057         * testsuite/two_file_test_1.cc (t18): New function.
13058         * testsuite/two_file_test_2.cc (f18): New function.
13059         * testsuite/two_file_test_main.cc (main): Call t18.
13060         * testsuite/two_file_test.h (t18, f18): Declare.
13061
13062         * configure.ac: Don't test for objdump, c++filt, or readelf.
13063         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
13064         conditionals.
13065         (TEST_READELF): New variable.
13066         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
13067         (check_PROGRAMS): Add two_file_strip_test.
13068         (two_file_strip_test): New target.
13069         (check_PROGRAMS): Add two_file_same_shared_strip_test.
13070         (two_file_same_shared_strip_test_SOURCES): New variable.
13071         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
13072         (two_file_same_shared_strip_test_LDFLAGS): New variable.
13073         (two_file_same_shared_strip_test_LDADD): New variable.
13074         (two_file_shared_strip.so): New target.
13075         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
13076         (ver_test_5.syms, ver_test_7.syms): Likewise.
13077         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
13078         (strip_test_3.stdout): Use TEST_OBJDUMP.
13079         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13080
13081 2008-04-04  Cary Coutant  <ccoutant@google.com>
13082
13083         * symtab.h (Symbol::is_weak_undefined): New function.
13084         (Symbol::is_strong_undefined): New function.
13085         (Symbol::is_absolute): New function.
13086         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
13087         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
13088         absolute symbols.
13089         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
13090         (weak_undef_test): New target.
13091         * testsuite/Makefile.in: Rebuild.
13092         * testsuite/weak_undef_file1.cc: New file.
13093         * testsuite/weak_undef_file2.cc: New file.
13094         * testsuite/weak_undef_test.cc: New file.
13095
13096 2008-04-03  Craig Silverstein  <csilvers@google.com>
13097
13098         * compressed_output.h (class Output_compressed_section): Use
13099         unsigned buffer.
13100         * compressed_output.cc (zlib_compress): Use unsigned buffers,
13101         add zlib header.
13102         (zlib_compressed_suffix): Removed.
13103         (Output_compressed_section::set_final_data_size): Use unsigned
13104         buffers.
13105         * testsuite/Makefile.am (flagstest_compress_debug_sections):
13106         Fix linker invocation.
13107         (flagstest_o_specialfile_and_compress_debug_sections):
13108         Likewise.
13109         * testsuite/Makefile.in: Regenerated.
13110
13111 2008-04-02  David S. Miller  <davem@davemloft.net>
13112
13113         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
13114         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
13115
13116 2008-04-02  Craig Silverstein  <csilvers@google.com>
13117
13118         * TODO: New file.
13119
13120 2008-04-02  Ian Lance Taylor  <iant@google.com>
13121
13122         * fileread.cc (File_read::find_view): Add byteshift and vshifted
13123         parameters.  Update for new key type to views_.  Change all
13124         callers.
13125         (File_read::read): Adjust for byteshift in returned view.
13126         (File_read::add_view): New function, broken out of
13127         find_and_make_view.
13128         (File_read::make_view): New function, broken out of
13129         find_and_make_view.
13130         (File_read::find_or_make_view): Add offset and aligned
13131         parameters.  Rewrite accordingly.  Change all callers.
13132         (File_read::get_view): Add offset and aligned parameters.  Adjust
13133         for byteshift in return value.
13134         (File_read::get_lasting_view): Likewise.
13135         * fileread.h (class File_read): Update declarations.
13136         (class File_read::View): Add byteshift_ field.  Add byteshift to
13137         constructor.  Add byteshift method.
13138         * archive.h (Archive::clear_uncached_views): New function.
13139         (Archive::get_view): Add aligned parameter.  Change all callers.
13140         * object.h (Object::get_view): Add aligned parameter.  Change all
13141         callers.
13142         (Object::get_lasting_view): Likewise.
13143
13144         * fileread.cc (File_read::release): Don't call clear_views if
13145         there are multiple objects.
13146         * fileread.h (File_read::clear_uncached_views): New function.
13147         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
13148         on the archive.
13149
13150 2008-03-31  Cary Coutant  <ccoutant@google.com>
13151
13152         Add thin archive support.
13153         * archive.cc (Archive::armagt): New const.
13154         (Archive::setup): Remove task parameter and calls to unlock.
13155         (Archive::unlock_nested_archives): New function.
13156         (Archive::read_header): Add nested_off parameter. Change
13157         all callers.
13158         (Archive::interpret_header): Likewise.
13159         (Archive::include_all_members): Change to handle thin
13160         archives.
13161         (Archive::include_member): Likewise.
13162         * archive.h (Archive::Archive): Add new parameters and
13163         initializers.
13164         (Archive::armagt): New const.
13165         (Archive::setup): Remove task parameter.
13166         (Archive::unlock_nested_archives): New function.
13167         (Archive::read_header): Add nested_off parameter.
13168         (Archive::interpret_header): Likewise.
13169         (Archive::Nested_archive_table): New typedef.
13170         (Archive::is_thin_archive_): New field.
13171         (Archive::nested_archives_): New field.
13172         (Archive::options_): New field.
13173         (Archive::dirpath_): New field.
13174         (Archive::task_): New field.
13175         * readsyms.cc (Read_symbols::do_read_symbols): Add check
13176         for thin archives.  Pass additional parameters to
13177         Archive::Archive.  Unlock the archive file after calling
13178         Archive::setup.
13179
13180 2008-03-29  Ian Lance Taylor  <iant@google.com>
13181
13182         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
13183         version symbol to be local.
13184         * testsuite/ver_test_4.sh: New file.
13185         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
13186         (check_DATA): Add ver_test_4.syms.
13187         (ver_test_4.syms): New target.
13188         * testsuite/Makefile.in: Rebuild.
13189
13190         * output.cc
13191         (Output_section::Input_section_sort_entry::has_priority): New
13192         function.
13193         (Output_section::Input_section_sort_entry::match_file_name): New
13194         function.
13195         (Output_section::Input_section_sort_entry::match_section_name):
13196         Remove.
13197         (Output_section::Input_section_sort_entry::match_section_name_prefix):
13198         Remove.
13199         (Output_section::Input_section_sort_entry::match_section_file):
13200         Remove.
13201         (Output_section::Input_section_sort_compare::operator()): Rewrite
13202         using new Input_section_sort_entry functions.  Sort crtbegin and
13203         crtend first.  Sort sections with no priority before sections with
13204         a priority.
13205         * testsuite/initpri1.c (d3): Check j != 4.
13206         (cd5): New constructor/destructor function.
13207         (main): Check j != 2.
13208
13209         * symtab.cc (Symbol_table::add_from_object): If we don't use the
13210         new symbol when resolving, don't call set_is_default.
13211         * testsuite/ver_test_7.cc: New file.
13212         * testsuite/ver_test_7.sh: New file.
13213         * testsuite/Makefile.am (ver_test_7.so): New target.
13214         (ver_test_7.o): New target.
13215         (check_SCRIPTS): Add ver_test_7.sh.
13216         (check_DATA): Add ver_test_7.syms.
13217         (ver_test_7.syms): New target.
13218
13219 2008-03-28  Ian Lance Taylor  <iant@google.com>
13220
13221         * layout.cc (Layout::layout): If we see an input section with a
13222         name that needs sorting, set the must_sort flag for the output
13223         section.
13224         (Layout::make_output_section): If the name of the output section
13225         indicates that it might require sorting, set the may_sort flag.
13226         * output.h (Output_section::may_sort_attached_input_sections): New
13227         function.
13228         (Output_section::set_may_sort_attached_input_sections): New
13229         function.
13230         (Output_section::must_sort_attached_input_sections): New
13231         function.
13232         (Output_section::set_must_sort_attached_input_sections): New
13233         function.
13234         (class Output_section): Declare Input_section_sort_entry.  Define
13235         Input_section_sort_compare.  Declare
13236         sort_attached_input_sections.  Add new fields:
13237         may_sort_attached_input_sections_,
13238         must_sort_attached_input_sections_,
13239         attached_input_sections_are_sorted_.
13240         * output.cc (Output_section::Output_section): Initialize new
13241         fields.
13242         (Output_section::add_input_section): Add an entry to
13243         input_sections_ if may_sort or must_sort are true.
13244         (Output_section::set_final_data_size): Call
13245         sort_attached_input_sections if necessary.
13246         (Output_section::Input_section_sort_entry): Define new class.
13247         (Output_section::Input_section_sort_compare::operator()): New
13248         function.
13249         (Output_section::sort_attached_input_sections): New function.
13250         * configure.ac: Check whether the compiler supports constructor
13251         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
13252         * testsuite/initpri1.c: New file.
13253         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
13254         CONSTRUCTOR_PRIORITY.
13255         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
13256         (initpri1_LDFLAGS): New variable.
13257         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13258
13259 2008-03-27  Ian Lance Taylor  <iant@google.com>
13260
13261         * common.cc (Sort_commons::operator): Correct sorting algorithm.
13262         * testsuite/common_test_1.c: New file.
13263         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
13264         (common_test_1_SOURCES): New variable.
13265         (common_test_1_DEPENDENCIES): New variable.
13266         (common_test_1_LDFLAGS): New variable.
13267
13268         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
13269         and commons_ correctly when NAME/VERSION does not override
13270         NAME/NULL.
13271         * testsuite/ver_test_6.c: New file.
13272         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
13273         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
13274         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
13275
13276 2008-03-26  Ian Lance Taylor  <iant@google.com>
13277
13278         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
13279         of an undefined symbol from a version script.
13280         * testsuite/Makefile.am (ver_test_5.so): New target.
13281         (ver_test_5.o): New target.
13282         (check_SCRIPTS): Add ver_test_5.sh.
13283         (check_DATA): Add ver_test_5.syms.
13284         (ver_test_5.syms): New target.
13285         * testsuite/ver_test_5.cc: New file.
13286         * testsuite/ver_test_5.script: New file.
13287         * testsuite/ver_test_5.sh: New file.
13288         * Makefile.in, testsuite/Makefile.in: Rebuild.
13289
13290         PR gold/5986
13291         Fix problems building gold with gcc 4.3.0.
13292         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
13293         (gold_error_at_location, gold_warning_at_location): Use it.
13294         * configure.ac: Check whether we can compile and use a template
13295         function with a printf attribute.
13296         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
13297         when jumping over bytes.
13298         * object.cc: Instantiate Object::read_section_data.
13299         * debug.h: Include <cstring>
13300         * dwarf_reader.cc: Include <algorithm>
13301         * main.cc: Include <cstring>.
13302         * options.cc: Include <cstring>.
13303         * output.cc: Include <cstring>.
13304         * script.cc: Include <cstring>.
13305         * script.h: Include <string>.
13306         * symtab.cc: Include <cstring> and <algorithm>.
13307         * target-select.cc: Include <cstring>.
13308         * version.cc: Include <string>.
13309         * testsuite/testmain.cc: Include <cstdlib>.
13310         * configure, config.in: Rebuild.
13311
13312 2008-03-25  Ian Lance Taylor  <iant@google.com>
13313
13314         * options.cc: Include "../bfd/bfdver.h".
13315         (options::help): Print bug reporting address.
13316
13317         * version.cc (print_version): Adjust output for current value of
13318         BFD_VERSION_STRING.
13319
13320         * NEWS: New file.
13321
13322         * options.cc (options::help): Print list of supported targets.
13323         * target-select.h: Include <vector>.
13324         (class Target_selector): Make machine_, size_, and is_big_endian_
13325         fields const.  Add bfd_name_ and instantiated_target_ fields.
13326         (Target_selector::Target_selector): Add bfd_name parameter.
13327         (Target_selector::recognize): Make non-virtual, call
13328         do_recognize.
13329         (Target_selector::recognize_by_name): Make non-virtual, call
13330         do_recognize_by_name.
13331         (Target_selector::supported_names): New function.
13332         (Target_selector::bfd_name): New function.
13333         (Target_selector::do_instantiate_target): New pure virtual
13334         function.
13335         (Target_selector::do_recognize): New virtual function.
13336         (Target_selector::do_recognize_by_name): New virtual function.
13337         (Target_selector::instantiate_target): New private function.
13338         (supported_target_names): Declare.
13339         * target-select.cc (Target_selector::Target_selector): Update for
13340         new parameter and fields.
13341         (select_target_by_name): Check that the name matches before
13342         calling recognize_by_name.
13343         (supported_target_names): New function.
13344         * i386.cc (class Target_selector_i386): Update Target_selector
13345         constructor call.  Remove recognize and recognize_by_name.  Add
13346         do_instantiate_target.
13347         * x86_64.cc (class Target_selector_x86_64): Likewise.
13348         * testsuite/testfile.cc (class Target_selector_test): Update for
13349         changes to Target_selector.
13350
13351         * README: Rewrite, with some notes on unsupported features.
13352
13353 2008-03-24  Cary Coutant  <ccoutant@google.com>
13354
13355         * i386.cc (Target_i386::Got_type): New enum declaration.
13356         (Target_i386::Scan::local): Updated callers of Output_data_got
13357         member functions.
13358         (Target_i386::Scan::global): Likewise.
13359         (Target_i386::Relocate::relocate): Likewise.
13360         (Target_i386::Relocate::relocate_tls): Likewise.
13361         * object.h (Got_offset_list): New class.
13362         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13363         (Sized_relobj::local_got_offset): Likewise.
13364         (Sized_relobj::set_local_got_offset): Likewise.
13365         (Sized_relobj::local_has_tls_got_offset): Removed.
13366         (Sized_relobj::local_tls_got_offset): Removed.
13367         (Sized_relobj::set_local_tls_got_offset): Removed.
13368         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13369         * output.cc (Output_data_got::add_global): Added got_type parameter.
13370         (Output_data_got::add_global_with_rel): Likewise.
13371         (Output_data_got::add_global_with_rela): Likewise.
13372         (Output_data_got::add_global_pair_with_rel): New function.
13373         (Output_data_got::add_global_pair_with_rela): New function.
13374         (Output_data_got::add_local): Added got_type parameter.
13375         (Output_data_got::add_local_with_rel): Likewise.
13376         (Output_data_got::add_local_with_rela): Likewise.
13377         (Output_data_got::add_local_pair_with_rel): New function.
13378         (Output_data_got::add_local_pair_with_rela): New function.
13379         (Output_data_got::add_global_tls): Removed.
13380         (Output_data_got::add_global_tls_with_rel): Removed.
13381         (Output_data_got::add_global_tls_with_rela): Removed.
13382         (Output_data_got::add_local_tls): Removed.
13383         (Output_data_got::add_local_tls_with_rel): Removed.
13384         (Output_data_got::add_local_tls_with_rela): Removed.
13385         * output.h (Output_data_got::add_global): Added got_type parameter.
13386         (Output_data_got::add_global_with_rel): Likewise.
13387         (Output_data_got::add_global_with_rela): Likewise.
13388         (Output_data_got::add_global_pair_with_rel): New function.
13389         (Output_data_got::add_global_pair_with_rela): New function.
13390         (Output_data_got::add_local): Added got_type parameter.
13391         (Output_data_got::add_local_with_rel): Likewise.
13392         (Output_data_got::add_local_with_rela): Likewise.
13393         (Output_data_got::add_local_pair_with_rel): New function.
13394         (Output_data_got::add_local_pair_with_rela): New function.
13395         (Output_data_got::add_global_tls): Removed.
13396         (Output_data_got::add_global_tls_with_rel): Removed.
13397         (Output_data_got::add_global_tls_with_rela): Removed.
13398         (Output_data_got::add_local_tls): Removed.
13399         (Output_data_got::add_local_tls_with_rel): Removed.
13400         (Output_data_got::add_local_tls_with_rela): Removed.
13401         * resolve.cc (Symbol::override_base_with_special): Removed
13402         reference to has_got_offset_ field.
13403         * symtab.cc (Symbol::init_fields): Replaced initialization
13404         of got_offset_ with got_offsets_.  Removed initialization
13405         of has_got_offset_
13406         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13407         (Symbol::got_offset): Likewise.
13408         (Symbol::set_got_offset): Likewise.
13409         (Symbol::has_tls_got_offset): Removed.
13410         (Symbol::tls_got_offset): Removed.
13411         (Symbol::set_tls_got_offset): Removed.
13412         (Symbol::got_offset_): Removed.
13413         (Symbol::tls_mod_got_offset_): Removed.
13414         (Symbol::tls_pair_got_offset_): Removed.
13415         (Symbol::got_offsets_): New field.
13416         (Symbol::has_got_offset): Removed.
13417         (Symbol::has_tls_mod_got_offset): Removed.
13418         (Symbol::has_tls_pair_got_offset): Removed.
13419         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13420         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13421         member functions.
13422         (Target_x86_64::Scan::global): Likewise.
13423         (Target_x86_64::Relocate::relocate): Likewise.
13424         (Target_x86_64::Relocate::relocate_tls): Likewise.
13425
13426 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13427
13428         * yyscript.y: Fix spelling error in comment.
13429
13430 2008-03-24  Ian Lance Taylor  <iant@google.com>
13431
13432         * options.h (class General_options): Define build_id option.
13433         * layout.h (class Layout): Declare write_build_id, create_note,
13434         create_build_id.  Add build_id_note_ member.
13435         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
13436         "libiberty.h", "md5.h", "sha1.h".
13437         (Layout::Layout): Initialize eh_frame_data_,
13438         eh_frame_hdr_section_, and build_id_note_.
13439         (Layout::finalize): Call create_build_id.
13440         (Layout::create_note): New function, broken out of
13441         Layout::create_gold_note.
13442         (Layout::create_gold_note): Call create_note.
13443         (Layout::create_build_id): New function.
13444         (Layout::write_build_id): New function.
13445         (Close_task_runner::run): Call write_build_id.
13446
13447         * x86_64.cc: Correct license to GPLv3.
13448
13449 2008-03-23  Ian Lance Taylor  <iant@google.com>
13450
13451         * options.cc: Include "demangle.h".
13452         (parse_optional_string): New function.
13453         (parse_long_option): Handle takes_optional_argument.
13454         (parse_short_option): Update dash_z initializer.  Handle
13455         takes_optional_argument.
13456         (General_options::General_options): Initialize do_demangle_.
13457         (General_options::finalize): Set do_demangle_.  Handle demangling
13458         style.
13459         * options.h (parse_optional_string): Declare.
13460         (struct One_option): Add optional_arg field.  Update constructor.
13461         Update call constructor calls.  Add takes_optional_argument
13462         function.
13463         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
13464         (DEFINE_optional_string): Define.
13465         (General_options::demangle): Change from DEFINE_bool to
13466         DEFINE_optional_string.
13467         (General_options::no_demangle): New function.
13468         (General_options::do_demangle): New function.
13469         (General_options::set_do_demangle): New function.
13470         (General_options::execstack_status_): Move definition to end of
13471         class definition.
13472         (General_options::static_): Likewise.
13473         (General_options::do_demangle_): New field.
13474         * object.cc (big_endian>::get_symbol_location_info): Call
13475         Options::do_demangle, not Options::demangle.
13476         * symtab.cc (demangle): Likewise.
13477
13478 2008-03-22  Ian Lance Taylor  <iant@google.com>
13479
13480         * gold.h: Include <cstddef> and <sys/types.h>
13481         * options.h: Include <cstring>.
13482
13483 2008-03-21  Ian Lance Taylor  <iant@google.com>
13484
13485         * Added source code to GNU binutils.