gold/ChangeLog

   1 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
   2
   3         * gold.cc (queue_middle_tasks): Call layout again when unique
   4         segments for sections is desired.
   5         * layout.cc (Layout::Layout): Initialize new members.
   6         (Layout::get_output_section_flags): New function.
   7         (Layout::choose_output_section): Call get_output_section_flags.
   8         (Layout::layout): Make output section for mapping to a unique segment.
   9         (Layout::insert_section_segment_map): New function.
  10         (Layout::attach_allocated_section_to_segment): Make unique segment for
  11         output sections marked so.
  12         (Layout::segment_precedes): Check for unique segments when sorting.
  13         * layout.h (Layout::Unique_segment_info): New struct.
  14         (Layout::Section_segment_map): New typedef.
  15         (Layout::insert_section_segment_map): New function.
  16         (Layout::get_output_section_flags): New function.
  17         (Layout::is_unique_segment_for_sections_specified): New function.
  18         (Layout::set_unique_segment_for_sections_specified): New function.
  19         (Layout::unique_segment_for_sections_specified_): New member.
  20         (Layout::section_segment_map_): New member.
  21         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
  22         Rename is_gc_pass_one to is_pass_one.
  23         Rename is_gc_pass_two to is_pass_two.
  24         Rename is_gc_or_icf to is_two_pass.
  25         Check for which pass based on whether symbols data is present.
  26         Make it two pass when unique segments for sections is desired.
  27         * output.cc (Output_section::Output_section): Initialize new
  28         members.
  29         * output.h (Output_section::is_unique_segment): New function.
  30         (Output_section::set_is_unique_segment): New function.
  31         (Output_section::is_unique_segment_): New member.
  32         (Output_section::extra_segment_flags): New function.
  33         (Output_section::set_extra_segment_flags): New function.
  34         (Output_section::extra_segment_flags_): New member.
  35         (Output_section::segment_alignment): New function.
  36         (Output_section::set_segment_alignment): New function.
  37         (Output_section::segment_alignment_): New member.
  38         (Output_segment::Output_segment): Initialize is_unique_segment_.
  39         (Output_segment::is_unique_segment): New function.
  40         (Output_segment::set_is_unique_segment): New function.
  41         (Output_segment::is_unique_segment_): New member.
  42         * plugin.cc (allow_unique_segment_for_sections): New function.
  43         (unique_segment_for_sections): New function.
  44         (Plugin::load): Add new functions to transfer vector.
  45         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
  46         * Makefile.in: Regenerate.
  47         * testsuite/plugin_final_layout.sh: Check if unique segment
  48         functionality works.
  49         * testsuite/plugin_section_order.c (onload): Check if new interfaces
  50         are available.
  51         (allow_unique_segment_for_sections): New global.
  52         (unique_segment_for_sections): New global.
  53         (claim_file_hook): Call allow_unique_segment_for_sections.
  54         (all_symbols_read_hook): Call unique_segment_for_sections.
  55
  56
  57 2012-08-22  Cary Coutant  <ccoutant@google.com>
  58
  59         * layout.cc (Layout::include_section): Don't assert on GROUP
  60         sections with --emit-relocs.
  61
  62 2012-08-21  Cary Coutant  <ccoutant@google.com>
  63
  64         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
  65         if --export-dynamic-symbol names an undef symbol.
  66
  67 2012-08-18  Alan Modra  <amodra@gmail.com>
  68
  69         * powerpc.cc: Formatting and white space.
  70         (Powerpc_relobj): Rename got2_section_ to special_.
  71         Add opd_ent_shndx_ and opd_ent_off_ vectors.
  72         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
  73         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
  74         (Target_powerpc): Add Address typedef and invalid_address.  Use
  75         throughout.
  76         (Target_powerpc::is_branch_reloc): New function.
  77         (Powerpc_relocate_functions): Add Address typedef, use throughout.
  78         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
  79         for dst_mask, value and addend.
  80         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
  81         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
  82         (Output_data_glink::do_write): Correct toc base.  Don't try to use
  83         uint16_t for 24-bit offset.  Use get_output_section_offset and
  84         check return.
  85         (Target_powerpc::Scan::local): Handle more relocs.
  86         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
  87         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
  88         Plug in toc restoring insn after plt calls.  Translate branches
  89         to function descriptor symbols to corresponding entry point.
  90         (Target_powerpc::relocate_for_relocatable): Check return from
  91         get_output_section_offset.
  92         * symtab.h: Comment typo.
  93
  94 2012-08-14  Ian Lance Taylor  <iant@google.com>
  95
  96         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
  97         unsupported_relocal_local to call unsupported_reloc_global.
  98
  99 2012-08-14  Nick Clifton  <nickc@redhat.com>
 100
 101         PR ld/14265
 102         * script-sections.cc (Sections_element::output_section_name): Add
 103         keep return parameter.
 104         (Output_section_element::match_name): Add keep return parameter.
 105         Return the value of the keep_ member.
 106         * script-sections.h (class Output_section): Update
 107         output_section_name prototype.
 108         * layout.cc (Layout::keep_input_section): New public member
 109         function.
 110         (Layout::choose_output_section): Pass keep parameter to
 111         output_section_name.
 112         * layout.h (class Layout): Add keep_input_section.
 113         * object.cc (Sized_relobj_file::do_layout): Check for kept input
 114         sections.
 115         * testsuite/Makefile.am: Add a test.
 116         * testsuite/Makefile.in: Regenerate.
 117         * testsuite/pr14265.c: Source file for the test.
 118         * testsuite/pr14265.t: Linker script for the test.
 119         * testsuite/pr14265.sh: Shell script for the test.
 120
 121 2012-08-14  Alan Modra  <amodra@gmail.com>
 122
 123         * target.h (Target::output_section_name): New function.
 124         (Target::do_output_section_name): New function.
 125         * layout.cc (Layout::choose_output_section): Call the above.
 126         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
 127
 128 2012-08-14  Alan Modra  <amodra@gmail.com>
 129
 130         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
 131         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
 132         for replace_constant call.
 133         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
 134         (Output_data_glink::do_print_to_mapfile): New function.
 135         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
 136         (Target_powerpc::Relocate::relocate): Likewise.
 137
 138 2012-08-14  Alan Modra  <amodra@gmail.com>
 139
 140         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
 141         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
 142         (Output_data_glink::add_entry,find_entry): Remove shndx param.
 143         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
 144         all references to shndx_.  Handle special case for R_PPC_PLTREL24
 145         here.
 146         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
 147         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
 148         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
 149         here.
 150         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
 151         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
 152
 153 2012-08-12  Alan Modra  <amodra@gmail.com>
 154
 155         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
 156         (glink insn constants): Use uint32_t.
 157         (Output_data_glink::add_entry): Use insert, not [] operator.
 158
 159 2012-08-11  Alan Modra  <amodra@gmail.com>
 160
 161         * object.h (Sized_relobj_file::find_shdr): New function.
 162         (Sized_relobj_file::find_special_sections): New function.
 163         * object.cc (Sized_relobj_file::find_shdr): New function.
 164         (Sized_relobj_file::find_eh_frame): Use find_shdr.
 165         (Sized_relobj_file::find_special_sections): New function, split out..
 166         (Sized_relobj_file::do_read_symbols): ..from here.
 167         * output.h (Output_data_got::replace_constant): New function.
 168         (Output_data_got::num_entries): New function.
 169         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
 170         (Output_data_got::got_offset): Protected rather than private.
 171         (Output_data_got::replace_got_entry): New function.
 172         * output.cc (Output_data_got::replace_got_entry): New function.
 173         * powerpc.cc (class Powerpc_relobj): New.
 174         (class Powerpc_relocate_functions): Delete all psymval variants or
 175         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
 176         Implement _ha functions using corresponding _hi function.
 177         (Powerpc_relobj::find_special_sections): New function.
 178         (Target_powerpc::do_make_elf_object): New function.
 179         (class Output_data_got_powerpc): New.
 180         (class Output_data_glink): New.
 181         (class Powerpc_scan_relocatable_reloc): New.
 182         Many more changes througout file.
 183
 184 2012-08-09  Nick Clifton  <nickc@redhat.com>
 185
 186         * po/vi.po: Updated Vietnamese translation.
 187
 188 2012-08-07  Ian Lance Taylor  <iant@google.com>
 189
 190         * layout.cc (Layout::add_target_dynamic_tags): If
 191         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
 192         plt_rel.
 193
 194 2012-07-30  Nick Clifton  <nickc@redhat.com>
 195
 196         * po/gold.pot: Updated template.
 197         * po/es.po: Updated Spanish translation.
 198
 199 2012-07-18  Cary Coutant  <ccoutant@google.com>
 200
 201         PR gold/14344
 202         * configure.ac: Add check for -gpubnames support.
 203         * configure: Regenerate.
 204         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
 205         support; force -gno-pubnames.
 206         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
 207         support.
 208         (gdb_index_test_4): New test.
 209         * testsuite/Makefile.in: Regenerate.
 210         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
 211         * testsuite/gdb_index_test_2.sh: Likewise.
 212         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
 213         * testsuite/gdb_index_test_4.sh: New script.
 214         * testsuite/gdb_index_test_comm.sh: New script with common code;
 215         don't look for space after colon.
 216
 217 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
 218
 219         * gold.cc (queue_middle_tasks): Update function order only after
 220         deferred objects due to plugins are processed.
 221
 222 2012-07-11  Ian Lance Taylor  <iant@google.com>
 223
 224         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
 225         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
 226         (Target_arm::scan_reloc_for_stub): Likewise.
 227         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
 228         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
 229         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
 230         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
 231         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
 232
 233 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
 234             Ian Lance Taylor  <iant@google.com>
 235
 236         PR gold/14309
 237         * configure.ac: Test whether std::tr1::hash<off_t> works.
 238         * gold.h: Add a specialization for std::tr1::hash<off_t> if
 239         needed.
 240         * output.h (class Output_fill): Add virtual destructor.
 241         * configure, config.in: Rebuild.
 242
 243 2012-06-22  Roland McGrath  <mcgrathr@google.com>
 244
 245         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
 246
 247 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
 248
 249         * plugin.cc (Plugin::load): Handle position independent executables.
 250
 251 2012-06-06  Cary Coutant  <ccoutant@google.com>
 252
 253         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
 254         add .debug_macro.
 255         (lines_only_debug_sections): Likewise.
 256         (gdb_fast_lookup_sections): New static array.
 257         (is_gdb_debug_section): Rename formal parameter.
 258         (is_lines_only_debug_section): Likewise.
 259         (is_gdb_fast_lookup_section): New function.
 260         (Layout::include_section): Check for ".zdebug_" prefix; pass
 261         section name suffix to is_gdb_debug_section, et al.; check for
 262         fast-lookup sections when building .gdb_index.
 263         * options.h (--strip-debug-gdb): Update GDB version number.
 264
 265 2012-06-06  Cary Coutant  <ccoutant@google.com>
 266
 267         * configure.ac: Add check for fallocate.
 268         * configure: Regenerate.
 269         * config.in: Regenerate.
 270
 271         * options.h (class General_options): Add --mmap-output-file and
 272         --posix-fallocate options.
 273         * output.cc: (posix_fallocate): Remove; replace with...
 274         (gold_fallocate): New function.
 275         (Output_file::map_no_anonymous): Call gold_fallocate.
 276         (Output_file::map): Check --mmap-output-file option.
 277
 278 2012-06-05  Jing Yu  <jingyu@google.com>
 279
 280         * gold.h (textdomain): Add do {} to empty while(0).
 281         (bindtextdomain): Likewise.
 282
 283 2012-06-04  Cary Coutant  <ccoutant@google.com>
 284
 285         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
 286         has_dynsym_index.
 287
 288 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
 289
 290         * symtab.cc (Symbol_table::define_special_symbol):
 291         Initialize *poldsym to prevent uninitialized variable errors.
 292
 293 2012-05-23  Cary Coutant  <ccoutant@google.com>
 294
 295         * layout.cc (Layout::section_name_mapping): Add rules to handle
 296         exact match on .data.rel.ro.local or .data.rel.ro.
 297         (Layout::output_section_name): Check for exact matches.
 298
 299 2012-05-23  Cary Coutant  <ccoutant@google.com>
 300
 301         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
 302         more carefully.
 303
 304 2012-05-22  Cary Coutant  <ccoutant@google.com>
 305
 306         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
 307         object before exporting symbol.
 308
 309 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 310
 311         * testsuite/tls_test.cc: Include "config.h" first.
 312         * testsuite/tls_test_c.c: Likewise.
 313
 314 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
 315             Nick Clifton  <nickc@redhat.com>
 316
 317         PR 14072
 318         * configure.in: Add check that sysdep.h has been included before
 319         any system header files.
 320         * configure: Regenerate.
 321         * config.in: Regenerate.
 322
 323 2012-05-14  Cary Coutant  <ccoutant@google.com>
 324
 325         * layout.cc (Layout::make_output_section): Mark .tdata section
 326         as RELRO.
 327         * testsuite/relro_test.cc: Add a TLS variable.
 328
 329 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
 330
 331         PR gold/14091
 332         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
 333         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
 334         R_X86_64_64.
 335
 336 2012-05-08  Cary Coutant  <ccoutant@google.com>
 337
 338         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
 339         (lines_only_debug_sections): Likewise.
 340
 341 2012-05-02  Roland McGrath  <mcgrathr@google.com>
 342
 343         * nacl.cc: New file.
 344         * nacl.h: New file.
 345         * Makefile.am (CCFILES, HFILES): Add them.
 346         * Makefile.in: Regenerate.
 347         * i386.cc (Output_data_plt_i386_nacl): New class.
 348         (Output_data_plt_i386_nacl_exec): New class.
 349         (Output_data_plt_i386_nacl_dyn): New class.
 350         (Target_i386_nacl): New class.
 351         (Target_selector_i386_nacl): New class.
 352         (target_selector_i386): Use it instead of Target_selector_i386.
 353         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
 354         (Target_x86_64_nacl): New class.
 355         (Target_selector_x86_64_nacl): New class.
 356         (target_selector_x86_64, target_selector_x32): Use it instead of
 357         Target_selector_x86_64.
 358         * arm.cc (Output_data_plt_arm_nacl): New class.
 359         (Target_arm_nacl): New class.
 360         (Target_selector_arm_nacl): New class.
 361         (target_selector_arm, target_selector_armbe): Use it instead of
 362         Target_selector_arm.
 363
 364         * target-select.cc (select_target): Take new Input_file* and off_t
 365         arguments, pass them on to recognize method of selector.
 366         * object.cc (make_elf_sized_object): Update caller.
 367         * parameters.cc (parameters_force_valid_target): Likewise.
 368         * incremental.cc (make_sized_incremental_binary): Likewise.
 369         * target-select.h: Update decl.
 370         (Target_selector::recognize): Take new Input_file* argument,
 371         pass it on to do_recognize.
 372         (Target_selector::do_recognize): Take new Input_file* argument.
 373         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
 374         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
 375         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
 376         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
 377
 378         * target.h (Target::Target_info): New members isolate_execinstr
 379         and rosegment_gap.
 380         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
 381         * arm.cc (Target_arm::arm_info): Update initializer.
 382         * i386.cc (Target_i386::i386_info): Likewise.
 383         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
 384         * sparc.cc (Target_sparc::sparc_info): Likewise.
 385         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
 386         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
 387         * layout.cc (Layout::attach_allocated_section_to_segment):
 388         Take new const Target* argument.  If target->isolate_execinstr(), act
 389         like --rosegment.
 390         (Layout::find_first_load_seg): Take new const Target* argument;
 391         if target->isolate_execinstr(), reject PF_X segments.
 392         (Layout::relaxation_loop_body): Update caller.
 393         (Layout::set_segment_offsets): If target->isolate_execinstr(),
 394         reset file offset to zero when we hit LOAD_SEG, and then do a second
 395         loop over the segments before LOAD_SEG to reassign offsets after
 396         addresses have been determined.  Handle target->rosegment_gap().
 397         (Layout::attach_section_to_segment): Take new const Target* argument;
 398         pass it to attach_allocated_section_to_segment.
 399         (Layout::make_output_section): Update caller.
 400         (Layout::attach_sections_to_segments): Take new const Target* argument;
 401         pass it to attach_section_to_segment.
 402         * gold.cc (queue_middle_tasks): Update caller.
 403         * layout.h (Layout): Update method decls with new arguments.
 404
 405         * arm.cc (Target_arm::Target_arm): Take optional argument for the
 406         Target_info pointer to use.
 407         (Target_arm::do_make_data_plt): New virtual method.
 408         (Target_arm::make_data_plt): New method that calls it.
 409         (Target_arm::make_plt_entry): Use it.
 410         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
 411         for the section alignment.
 412         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
 413         method.
 414         (Output_data_plt_arm::first_plt_entry_offset): Call it.
 415         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
 416         method.
 417         (Output_data_plt_arm::get_plt_entry_size): Call it.
 418         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
 419         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
 420         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
 421         method.
 422         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
 423         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
 424         method instead of sizeof(plt_entry).
 425         (Output_data_plt_arm::add_entry): Likewise.
 426         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
 427         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
 428         than static method.
 429         (Target_arm::plt_entry_size): Likewise.
 430         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
 431         Move to ...
 432         (Output_data_plt_arm_standard): ... here, new class.
 433         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
 434         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
 435         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
 436
 437         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
 438         Take additional argument for the PLT entry size.
 439         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
 440         Use get_plt_entry_size method rather than plt_entry_size variable.
 441         (Output_data_plt_x86_64::reserve_slot): Likewise.
 442         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
 443         (Output_data_plt_x86_64::add_entry): Likewise.
 444         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
 445         (Output_data_plt_x86_64::address_for_global): Likewise.
 446         (Output_data_plt_x86_64::address_for_local): Likewise.
 447         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 448         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
 449         Make method non-static.
 450         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
 451         method.
 452         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
 453         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
 454         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
 455         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
 456         virtual method.
 457         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
 458         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
 459         virtual method.
 460         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
 461         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
 462         virtual method.
 463         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
 464         (Output_data_plt_x86_64::plt_entry_size)
 465         (Output_data_plt_x86_64::first_plt_entry)
 466         (Output_data_plt_x86_64::plt_entry)
 467         (Output_data_plt_x86_64::tlsdesc_plt_entry)
 468         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
 469         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
 470         (Output_data_plt_x86_64_standard): ... here, new class.
 471         (Target_x86_64::Target_x86_64): Take optional argument for the
 472         Target_info pointer to use.
 473         (Target_x86_64::do_make_data_plt): New virtual method.
 474         (Target_x86_64::make_data_plt): New method to call it.
 475         (Target_x86_64::init_got_plt_for_update): Use that.
 476         Call this->plt_->add_eh_frame method here.
 477         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
 478         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
 479         rather than static method.
 480         (Target_x86_64::plt_entry_size): Likewise.
 481         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
 482         rather than plt_entry_size variable.  Move guts of PLT filling to...
 483         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
 484         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
 485         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
 486
 487         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
 488         additional argument for the section alignment.
 489         Don't do add_eh_frame_for_plt here.
 490         (Output_data_plt_i386::first_plt_entry_offset): Make the method
 491         non-static.  Use get_plt_entry_size method rather than plt_entry_size
 492         variable.
 493         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
 494         method.
 495         (Output_data_plt_i386::get_plt_entry_size): Call it.
 496         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
 497         (Output_data_plt_i386::add_eh_frame): New method to call it.
 498         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
 499         method.
 500         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
 501         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
 502         method.
 503         (Output_data_plt_i386::fill_plt_entry): New method to call it.
 504         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
 505         method instead of plt_entry_size.
 506         (Output_data_plt_i386::plt_entry_size)
 507         (Output_data_plt_i386::plt_eh_frame_fde_size)
 508         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
 509         (Output_data_plt_i386_standard): ... here, new class.
 510         (Output_data_plt_i386_exec): New class.
 511         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
 512         (Output_data_plt_i386_exec::first_plt_entry): ... here.
 513         (Output_data_plt_i386::exec_plt_entry): Move to ...
 514         (Output_data_plt_i386_exec::plt_entry): ... here.
 515         (Output_data_plt_i386_dyn): New class.
 516         (Output_data_plt_i386::first_plt_entry): Move to ...
 517         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
 518         (Output_data_plt_i386::dyn_plt_entry): Move to ...
 519         (Output_data_plt_i386_dyn::plt_entry): ... here.
 520         (Target_i386::Target_i386): Take optional argument for the Target_info
 521         pointer to use.
 522         (Target_i386::do_make_data_plt): New virtual method.
 523         (Target_i386::make_data_plt): New method to call it.
 524         (Target_i386::make_plt_section): Use that.
 525         Call this->plt_->add_eh_frame method here.
 526         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
 527         rather than plt_entry_size variable.
 528         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
 529         (Output_data_plt_i386::address_for_local): Likewise.
 530         (Output_data_plt_i386::do_write): Likewise.
 531         Move guts of PLT filling to...
 532         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
 533         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
 534         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
 535         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
 536
 537 2012-05-01  Cary Coutant  <ccoutant@google.com>
 538
 539         * dwarf_reader.cc (Dwarf_die::read_attributes)
 540         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
 541         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
 542         * reduced_debug_output.cc
 543         (Output_reduced_debug_info_section::get_die_end): Remove
 544         DW_FORM_GNU_ref_index.  Add default case.
 545
 546 2012-04-26  Mark Wielaard  <mjw@redhat.com>
 547
 548         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
 549         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
 550         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
 551         DW_AT_high_pc as offset from DW_AT_low_pc.
 552
 553         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
 554         * testsuite/Makefile.in: Regenerate.
 555         * testsuite/gdb_index_test_3.c: New test source file.
 556         * testsuite/gdb_index_test_3.sh: New test source file.
 557
 558 2012-04-25  Ian Lance Taylor  <iant@google.com>
 559
 560         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
 561         pointer.
 562         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
 563         as a class, not a struct.
 564         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
 565         (Target_arm::apply_cortex_a8_workaround): Likewise.
 566         * gc.h: Declare Reloc_types as a struct, not a class.
 567         * object.h: Declare Symbols_data as a struct.
 568         * reloc.h: Declare Read_relocs_data as a struct.
 569         * target.h: Declare Relocate_info as a struct.
 570
 571 2012-04-24  David S. Miller  <davem@davemloft.net>
 572
 573         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
 574         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
 575         and R_SPARC_WPLT30.
 576
 577 2012-04-24  Cary Coutant  <ccoutant@google.com>
 578
 579         * incremental-dump.cc (find_input_containing_global): Replace
 580         magic number with symbolic constant.
 581         (dump_incremental_inputs): Update version number.
 582         * incremental.cc (Output_section_incremental_inputs): Update version
 583         number; import symbolic constants from Incremental_inputs_reader.
 584         (Incremental_inputs::create_data_sections): Align relocations
 585         section correctly for 64-bit targets.
 586         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
 587         constants; add padding.
 588         (Output_section_incremental_inputs::write_header): Add assert for
 589         header_size.
 590         (Output_section_incremental_inputs::write_input_files): Add assert
 591         for input_entry_size.
 592         (Output_section_incremental_inputs::write_info_blocks): Add padding;
 593         add assert for object_info_size, input_section_entry_size,
 594         global_sym_entry_size.
 595         * incremental.h (Incremental_inputs_reader): Add symbolic constants
 596         for data structure sizes; use them.
 597         (Incremental_input_entry_reader): Import symbolic constants from
 598         Incremental_inputs_reader; use them.
 599
 600 2012-04-23  David S. Miller  <davem@davemloft.net>
 601
 602         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
 603         and elf_flags_set_.
 604         (Target_sparc::Target_sparc): Initialize new fields.
 605         (Target_sparc::do_make_elf_object): New function.
 606         (Target_sparc::do_adjust_elf_header): New function.
 607
 608 2012-04-23  Cary Coutant  <ccoutant@google.com>
 609
 610         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
 611         CU range table of gdb index.
 612
 613 2012-04-20  David S. Miller  <davem@davemloft.net>
 614
 615         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
 616         instead of false.
 617
 618 2012-04-16  David S. Miller  <davem@davemloft.net>
 619
 620         * sparc.cc (Target_sparc::got_address): New function.
 621         (Sparc_relocate_functions::gdop_hix22): New function.
 622         (Sparc_relocate_functions::gdop_lox10): New function.
 623         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
 624         relocs.
 625         (Target_sparc::Scan::local): Likewise if the global symbol is not
 626         preemptible and is not IFUNC.
 627         (Target_sparc::Relocate::relocate): Perform GOTDATA code
 628         transformations for local and non-preemptible non-IFUNC global
 629         symbols.
 630
 631         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
 632         writing out 64-bit part of ranges.
 633
 634         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
 635         -fpic and -fpie respectively.
 636         * Makefile.in: Regenerate.
 637
 638         * sparc.cc (class Target_sparc): Add rela_ifunc_.
 639         (Target_sparc::Target_sparc): Initialize new field.
 640         (Target_sparc::do_plt_section_for_global): New function.
 641         (Target_sparc::do_plt_section_for_local): New function.
 642         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
 643         (Target_sparc::make_plt_section): New function, broken out of
 644         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
 645         (Target_sparc::make_plt_entry): Call make_plt_section.
 646         (Target_sparc::make_local_ifunc_plt_entry): New function.
 647         (Target_sparc::rela_ifunc_section): New function.
 648         (Target_sparc::plt_section): Remove const.
 649         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
 650         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
 651         and ifunc_count_ fields.
 652         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
 653         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
 654         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
 655         (Output_data_plt_sparc::rela_ifunc): New function.
 656         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
 657         (Output_data_plt_sparc::has_ifunc_section): New function.
 658         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
 659         (Output_data_plt_sparc::address_for_global): New function.
 660         (Output_data_plt_sparc::address_for_local): New function.
 661         (Output_data_plt_sparc::plt_index_to_offset): New function.
 662         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
 663         and entry_count.
 664         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
 665         entry_count.
 666         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
 667         R_SPARC_JMP_IREL to switch.
 668         (Target_sparc::Scan::check_non_pic): Likewise.
 669         (Target_sparc::Scan::local): Handle IFUNC symbols.
 670         (Target_sparc::Scan::local): Likewise.
 671         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
 672         and plt_address_for_local.
 673         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
 674         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
 675
 676         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
 677         (class Output_data_reloc): Adjust calls to Output_reloc_type.
 678         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
 679         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
 680         global relocs too.
 681         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
 682         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
 683         calls.
 684         * sparc.cc (Target_sparc::Scan::global): Likewise.
 685         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 686
 687 2012-04-16  Cary Coutant  <ccoutant@google.com>
 688
 689         * archive.cc (Library_base::should_include_member): Check for
 690         --export-dynamic-symbol.
 691         * options.h (class General_options): Add --export-dynamic-symbol.
 692         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
 693         --export-dynamic-symbol.
 694         (Symbol_table::gc_mark_undef_symbols): Likewise.
 695         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
 696
 697 2012-04-12  David S. Miller  <davem@davemloft.net>
 698
 699         * sparc.cc (Reloc::wdisp10): New relocation method.
 700         (Reloc::h34): Likewise.
 701         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
 702         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
 703         R_SPARC_WDISP10.
 704         (Target_sparc::Scan::local): Likewise.
 705         (Target_sparc::Scan::global): Likewise.
 706         (Target_sparc::Relocate::relocate): Likewise.
 707
 708 2012-04-09  Cary Coutant  <ccoutant@google.com>
 709
 710         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
 711         low_pc == 0.
 712
 713 2012-04-06  Ian Lance Taylor  <iant@google.com>
 714
 715         * timer.cc: #include <unistd.h>.
 716
 717 2012-04-06  Roland McGrath  <mcgrathr@google.com>
 718
 719         * configure.in (AC_CHECK_HEADERS): Add locale.h.
 720         * config.in: Regenerate.
 721         * configure: Regenerate.
 722
 723 2012-04-05  Nick Clifton  <nickc@redhat.com>
 724
 725         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
 726         (AM_LC_MESSAGES): Add.
 727         * aclocal.m4: Regenerate.
 728         * config.in: Regenerate.
 729         * configure: Regenerate.
 730
 731 2012-03-21  Cary Coutant  <ccoutant@google.com>
 732
 733         * Makefile.am: Add gdb-index.cc, gdb-index.h.
 734         * Makefile.in: Regenerate.
 735         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
 736         (Sized_elf_reloc_mapper::symbol_section): New function.
 737         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
 738         (make_elf_reloc_mapper): New function.
 739         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
 740         (Dwarf_abbrev_table::do_read_abbrevs): New function.
 741         (Dwarf_abbrev_table::do_get_abbrev): New function.
 742         (Dwarf_ranges_table::read_ranges_table): New function.
 743         (Dwarf_ranges_table::read_range_list): New function.
 744         (Dwarf_pubnames_table::read_section): New function.
 745         (Dwarf_pubnames_table::read_header): New function.
 746         (Dwarf_pubnames_table::next_name): New function.
 747         (Dwarf_die::Dwarf_die): New function.
 748         (Dwarf_die::read_attributes): New function.
 749         (Dwarf_die::skip_attributes): New function.
 750         (Dwarf_die::set_name): New function.
 751         (Dwarf_die::set_linkage_name): New function.
 752         (Dwarf_die::attribute): New function.
 753         (Dwarf_die::string_attribute): New function.
 754         (Dwarf_die::int_attribute): New function.
 755         (Dwarf_die::uint_attribute): New function.
 756         (Dwarf_die::ref_attribute): New function.
 757         (Dwarf_die::child_offset): New function.
 758         (Dwarf_die::sibling_offset): New function.
 759         (Dwarf_info_reader::check_buffer): New function.
 760         (Dwarf_info_reader::parse): New function.
 761         (Dwarf_info_reader::do_parse): New function.
 762         (Dwarf_info_reader::do_read_string_table): New function.
 763         (Dwarf_info_reader::lookup_reloc): New function.
 764         (Dwarf_info_reader::get_string): New function.
 765         (Dwarf_info_reader::visit_compilation_unit): New function.
 766         (Dwarf_info_reader::visit_type_unit): New function.
 767         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
 768         Sized_elf_reloc_mapper.
 769         (Sized_dwarf_line_info::symbol_section): Remove function.
 770         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
 771         (Sized_dwarf_line_info::read_line_mappings): Remove object
 772         parameter, adjust callers.
 773         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
 774         * dwarf_reader.h: Include <sys/types.h>.
 775         (class Track_relocs): Remove forward declaration.
 776         (class Elf_reloc_mapper): New class.
 777         (class Sized_elf_reloc_mapper): New class.
 778         (class Dwarf_abbrev_table): New class.
 779         (class Dwarf_range_list): New class.
 780         (class Dwarf_ranges_table): New class.
 781         (class Dwarf_pubnames_table): New class.
 782         (class Dwarf_die): New class.
 783         (class Dwarf_info_reader): New class.
 784         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
 785         (Sized_dwarf_line_info::symbol_section): Remove member function.
 786         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
 787         base class.
 788         * gdb-index.cc: New source file.
 789         * gdb-index.h: New source file.
 790         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
 791         and .debug_types sections, call Layout::add_to_gdb_index.
 792         (Sized_relobj_incr::do_section_name): Implement.
 793         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
 794         return type; Implement.
 795         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
 796         return type.
 797         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
 798         parameter list and return type.
 799         (Sized_incr_dynobj::do_section_contents): Likewise.
 800         * layout.cc: Include gdb-index.h.
 801         (Layout::Layout): Initialize gdb_index_data_.
 802         (Layout::init_fixed_output_section): Check for .gdb_index section.
 803         (Layout::add_to_gdb_index): New function. Instantiate.
 804         * layout.h: Add forward declaration for class Gdb_index.
 805         (Layout::add_to_gdb_index): New member function.
 806         (Layout::gdb_index_data_): New data member.
 807         * main.cc: Include gdb-index.h.
 808         (main): Print statistics for gdb index.
 809         * object.cc (Object::section_contents): Move code into
 810         do_section_contents.
 811         (need_decompressed_section): Check for sections needed when building
 812         gdb index.
 813         (build_compressed_section_map): Likewise.
 814         (Sized_relobj_file::do_read_symbols): Need local symbols when building
 815         gdb index.
 816         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
 817         sections; call Layout::add_to_gdb_index.
 818         (Sized_relobj_file::do_decompressed_section_contents): Call
 819         do_section_contents directly.
 820         * object.h (Object::do_section_contents): Adjust parameter list and
 821         return type.
 822         (Object::do_decompressed_section_contents): Call do_section_contents
 823         directly.
 824         (Sized_relobj_file::do_section_contents): Adjust parameter list and
 825         return type.
 826         * options.h (class General_options): Add --gdb-index option.
 827         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
 828         list and return type.
 829         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 830         * reloc.h (Track_relocs::checkpoint): New function.
 831         (Track_relocs::reset): New function.
 832
 833         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 834         New test cases.
 835         * testsuite/Makefile.in: Regenerate.
 836         * testsuite/gdb_index_test.cc: New test source file.
 837         * testsuite/gdb_index_test_1.sh: New test source file.
 838         * testsuite/gdb_index_test_2.sh: New test source file.
 839
 840 2012-03-19  Doug Kwan  <dougkwan@google.com>
 841
 842         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 843         (Target_arm::do_finalize_sections): Remove code which defines
 844         __exidx_start and __exidx_end.  Make symbol table parameter
 845         anonymous as it is not used.
 846         * gold.cc (queue_middle_tasks): Call target hook to define any
 847         target-specific symbols.
 848         * target.h (Target::define_standard_symbols): New method.
 849         (Target::do_define_standard_symbols): Same.
 850         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 851         * testsuite/Makefile.in: Regenerate.
 852         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 853         and __exidx_end.
 854         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 855         relocations are generated for __exidx_start and __exidx_end.
 856
 857 2012-03-16  Doug Kwan  <dougkwan@google.com>
 858
 859         * testsuite/Makefile.am: Disable test initpri3b.
 860         * testsuite/Makefile.in: Regenerate.
 861
 862 2012-03-15  Doug Kwan  <dougkwan@google.com>
 863
 864         * arm.cc (Target_arm::got_section): Make .got section read-only
 865         if -z now is given.
 866
 867 2012-03-15  Ian Lance Taylor  <iant@google.com>
 868
 869         PR gold/13850
 870         * layout.cc (Layout::make_output_section): Correctly mark
 871         SHT_INIT_ARRAY, et. al., as relro.
 872
 873 2012-03-14  Doug Kwan  <dougkwan@google.com>
 874
 875         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 876         dynamic relocations for protected symbols in shared objects.
 877
 878 2012-03-13  Ian Lance Taylor  <iant@google.com>
 879
 880         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 881         keep the larger alignment.
 882
 883 2012-03-12  Cary Coutant  <ccoutant@google.com>
 884
 885         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 886         handling of DW_LNE_define_file.
 887
 888 2012-03-12  Cary Coutant  <ccoutant@google.com>
 889
 890         * reduced_debug_output.cc
 891         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 892         codes to switch.
 893
 894 2012-02-29  Cary Coutant  <ccoutant@google.com>
 895
 896         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 897
 898 2012-02-29  Cary Coutant  <ccoutant@google.com>
 899
 900         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 901         Call Object::decompressed_section_contents.
 902         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 903         New dtor.
 904         (Sized_dwarf_line_info::buffer_start_): New data member.
 905         * merge.cc (Output_merge_data::do_add_input_section): Call
 906         Object::decompressed_section_contents.
 907         (Output_merge_string::do_add_input_section): Likewise.
 908         * object.cc (need_decompressed_section): New function.
 909         (build_compressed_section_map): Decompress sections needed later.
 910         (Sized_relobj_file::do_decompressed_section_contents): New function.
 911         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 912         * object.h (Object::decompressed_section_contents): New function.
 913         (Object::discard_decompressed_sections): New function.
 914         (Object::do_decompressed_section_contents): New function.
 915         (Object::do_discard_decompressed_sections): New function.
 916         (Compressed_section_info): New type.
 917         (Compressed_section_map): Include decompressed section contents.
 918         (Sized_relobj_file::do_decompressed_section_contents): New function.
 919         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 920
 921 2012-02-16  Cary Coutant  <ccoutant@google.com>
 922
 923         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 924         * testsuite/Makefile.in: Regenerate.
 925
 926 2012-02-14  Cary Coutant  <ccoutant@google.com>
 927
 928         * options.cc (General_options::finalize): Disallow -pie and -static.
 929
 930 2012-02-03  Doug Kwan  <dougkwan@google.com>
 931
 932         * arm.cc (Arm_relocate_functions::abs8,
 933         Arm_relocate_functions::abs16): Use
 934         Bits::has_signed_unsigned_overflow32.
 935         (Arm_relocate_functions::thm_abs8): Correct range of
 936         overflow check.
 937         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 938         in assertions.
 939
 940 2012-02-02  Doug Kwan  <dougkwan@google.com>
 941
 942         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 943         position independent outputs, not just shared objects.
 944
 945 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 946
 947         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 948         * configure: Regenerated.
 949
 950 2012-01-27  Ian Lance Taylor  <iant@google.com>
 951
 952         * reloc.h (Bits): New class with static functions, copied from
 953         namespace utils in arm.cc.
 954         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 955         instead.
 956
 957 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 958
 959         * incremental.cc (write_info_blocks): Correct relocation offset.
 960
 961 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 962
 963         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 964         (Relocate::tls_gd_to_le): Likewise.
 965
 966 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 967
 968         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 969
 970 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 971
 972         * configure.ac: Check if -mcmodel=medium works.
 973         * configure: Regenerated.
 974
 975 2012-01-24  Cary Coutant  <ccoutant@google.com>
 976
 977         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 978         definition and ...
 979         (read_unsigned_LEB_128_x): ... this new function.
 980         (read_signed_LEB_128): Replaced with inline definition and ...
 981         (read_signed_LEB_128_x): ... this new function.
 982         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 983         (read_unsigned_LEB_128): Add inline definition.
 984         (read_signed_LEB_128_x): New function.
 985         (read_signed_LEB_128): Add inline definition.
 986         * testsuite/Makefile.am (leb128_unittest): New unit test.
 987         * testsuite/Makefile.in: Regenerate.
 988         * testsuite/leb128_unittest.cc: New unit test.
 989
 990 2012-01-23  Ian Lance Taylor  <iant@google.com>
 991
 992         PR gold/13617
 993         * i386.cc (Target_i386::do_code_fill): When using a jmp
 994         instruction, pad with nop instructions.
 995         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 996
 997 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 998
 999         * x86_64.cc (gc_process_relocs): Add typename on types used in
1000         template.
1001         (scan_relocs): Likewise.
1002         (relocate_section): Likewise.
1003         (apply_relocation): Likewise.
1004
1005 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1006
1007         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
1008         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
1009         under x32.
1010
1011 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
1012
1013         * x86_64.cc: Initial support for x32.
1014
1015 2012-01-03  Cary Coutant  <ccoutant@google.com>
1016
1017         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
1018         Use abstract base class for GOT.
1019         * gold/output.h (class Output_data_got_base): New abstract base class.
1020         (class Output_data_got): Derive from new base class, adjust ctors.
1021         (Output_data_got::reserve_slot): Make virtual; rename to
1022         do_reserve_slot; Adjust callers.
1023         * gold/target.h (Sized_target::init_got_plt_for_update): Return
1024         pointer to abstract base class.
1025         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
1026
1027 2011-12-18  Ian Lance Taylor  <iant@google.com>
1028
1029         * object.h (Relobj::local_symbol_value): New function.
1030         (Relobj::local_plt_offset): New function.
1031         (Relobj::local_has_got_offset): New function.
1032         (Relobj::local_got_offset): New function.
1033         (Relobj::set_local_got_offset): New function.
1034         (Relobj::do_local_symbol_value): New pure virtual function.
1035         (Relobj::do_local_plt_offset): Likewise.
1036         (Relobj::do_local_has_got_offset): Likewise.
1037         (Relobj::do_local_got_offset): Likewise.
1038         (Relobj::do_set_local_got_offset): Likewise.
1039         (Sized_relobj::do_local_has_got_offset): Rename from
1040         local_has_got_offset.
1041         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
1042         (Sized_relobj::do_set_local_got_offset): Rename from
1043         set_local_got_offset.
1044         (Sized_relobj_file::do_local_plt_offset): Rename from
1045         local_plt_offset.
1046         (Sized_relobj_file::do_local_symbol_value): New function.
1047         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
1048         local_plt_offset.
1049         * output.cc (Output_data_got::Got_entry::write): Change object to
1050         Relobj.  Use local_symbol_value.
1051         (Output_data_got::add_global_with_rel): Change rel_dyn to
1052         Output_data_reloc_generic*.  Use add_global_generic.
1053         (Output_data_got::add_global_with_rela): Remove.  Change all
1054         callers to use add_global_with_rel.
1055         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
1056         Output_data_reloc_generic*.  Use add_global_generic.
1057         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
1058         callers to use add_global_pair_with_rel.
1059         (Output_data_got::add_local): Change object to Relobj*.
1060         (Output_data_got::add_local_plt): Likewise.
1061         (Output_data_got::add_local_with_rel): Change object to Relobj*,
1062         change rel_dyn to Output_data_reloc_generic*.  Use
1063         add_local_generic.
1064         (Output_data_got::add_local_with_rela): Remove.  Change all
1065         callers to use all_local_with_rel.
1066         (Output_data_got::add_local_pair_with_rel): Change object to
1067         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
1068         add_output_section_generic.
1069         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
1070         callers to use add_local_pair_with_rel.
1071         (Output_data_got::reserve_local): Change object to Relobj*.
1072         * output.h: (class Output_data_reloc_generic): Add pure virtual
1073         declarations for add_global_generic, add_local_generic,
1074         add_output_section_generic.
1075         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
1076         functions for Output_data_reloc_generic.  Update declarations for
1077         changes listed in output.cc.
1078         (class Output_data_got): Change template parameter to got_size.
1079         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
1080         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
1081         function.
1082         (Sized_relobj_incr::do_local_plt_offset): New function.
1083         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
1084         add_global_generic.
1085
1086 2011-12-17  Cary Coutant  <ccoutant@google.com>
1087
1088         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
1089         * resolve.cc (Symbol_table::resolve): Likewise.
1090         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
1091         arrays.
1092         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1093
1094 2011-12-16  Ian Lance Taylor  <iant@google.com>
1095
1096         * output.h (Output_data_reloc_generic::add): Only call
1097         add_dynamic_reloc if this is a dynamic reloc section.
1098
1099 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
1100
1101         PR gold/13505
1102         * target-reloc.h (apply_relocation): Replace <64, false> with
1103         <size, big_endian>.
1104
1105 2011-11-25  Nick Clifton  <nickc@redhat.com>
1106
1107         * po/it.po: New Italian translation.
1108
1109 2011-11-17  Sterling Augustine  <saugustine@google.com>
1110
1111         * script.cc (script_include_directive): Implement.
1112         (read_script_file): New local variables name and search_path. Update
1113         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
1114         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
1115         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
1116
1117 2011-11-11  Sterling Augustine  <saugustine@google.com>
1118
1119         * yyscript.y (section_cmd): Add support for INCLUDE directive.
1120         (file_or_sections_cmd): Likewise.
1121
1122 2011-11-11  Doug Kwan  <dougkwan@google.com>
1123
1124         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
1125         if --just-symbols is given.
1126
1127 2011-11-10  Doug Kwan  <dougkwan@google.com>
1128
1129         PR gold/13362
1130         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
1131         when processing data relocs.
1132         * reloc.h (Relocate_functions::rel_unaligned): New method.
1133         (Relocate_functions::pcrel_unaligned): Ditto.
1134         (Relocate_functions::rel32_unaligned): Ditto.
1135         (Relocate_functions::pcrel32_unaligned): Ditto.
1136
1137 2011-11-09  Doug Kwan  <dougkwan@google.com>
1138
1139         PR gold/13362
1140         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
1141         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
1142         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
1143         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1144         (Relocate_functions::rel_unaligned): New.
1145         (Relocate_functions::rel32_unaligned): New.
1146         * target-reloc.h (relocate_for_relocatable): Add code to handle
1147         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1148         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
1149         arm_unaligned_reloc_r): New targets.
1150         * testsuite/Makefile.in: Regenerate.
1151         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
1152         linking.
1153
1154 2011-11-02  Ian Lance Taylor  <iant@google.com>
1155
1156         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
1157         NATIVE_LINKER.
1158         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
1159         * options.cc (General_options::finalize): Use library search path
1160         from configure script if specified.  If not native and no sysroot,
1161         only search TOOLLIBDIR.
1162         * options.h (Search_directory::Search_directory): Change name to
1163         const std::string&.
1164         (General_options::add_to_library_path_with_sysroot): Change arg to
1165         const std::string&.
1166         * configure, Makefile.in, config.in: Rebuild.
1167
1168 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1169
1170         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
1171         we are working around the ARM1176 Erratum.
1172         * options.h (General_options::fix_arm1176): Add option.
1173         * testsuite/Makefile.am: Add testcases, and keep current ones
1174         working.
1175         * testsuite/Makefile.in: Regenerate.
1176         * testsuite/arm_fix_1176.s: New file.
1177         * testsuite/arm_fix_1176.sh: Likewise.
1178
1179 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1180
1181         * arm.cc (Target_arm::Target_arm): Remove initialisation of
1182         may_use_blx_.
1183         (Target_arm::may_use_blx): Remove method.
1184         (Target_arm::set_may_use_blx): Likewise.
1185         (Target_arm::may_use_v4t_interworking): New method.
1186         (Target_arm::may_use_v5t_interworking): Likewise.
1187         (Target_arm::may_use_blx_): Remove member variable.
1188         (Arm_relocate_functions::arm_branch_common): Check for v5T
1189         interworking.
1190         (Arm_relocate_functions::thumb_branch_common): Likewise.
1191         (Reloc_stub::stub_type_for_reloc): Likewise.
1192         (Target_arm::do_finalize_sections): Correct interworking checks.
1193         * testsuite/Makefile.am: Add new tests.
1194         * testsuite/Makefile.in: Regenerate.
1195         * testsuite/arm_farcall_arm_arm.s: New test.
1196         * testsuite/arm_farcall_arm_arm.sh: Likewise.
1197         * testsuite/arm_farcall_arm_thumb.s: Likewise.
1198         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
1199         * testsuite/arm_farcall_thumb_arm.s: Likewise.
1200         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
1201         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
1202         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
1203
1204 2011-10-31  Cary Coutant  <ccoutant@google.com>
1205
1206         PR gold/13023
1207         * expression.cc (Expression::eval_with_dot): Add
1208         is_section_dot_assignment parameter.
1209         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
1210         absolute and assigning to dot within a section.
1211         * script-sections.cc
1212         (Output_section_element_assignment::set_section_addresses): Pass
1213         dot_section to set_if_absolute.
1214         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
1215         as is_section_dot_assignment flag to eval_with_dot.
1216         (Output_section_element_dot_assignment::set_section_addresses):
1217         Likewise.
1218         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
1219         parameter.  Also set value if relative to dot_section; set the
1220         symbol's output_section.
1221         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
1222         parameter.  Adjust all callers.
1223         (Expression::eval_maybe_dot): Likewise.
1224         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
1225         Adjust all callers.
1226         * testsuite/script_test_2.t: Test assignment of an absolute value
1227         to dot within an output section element.
1228
1229 2011-10-31  Cary Coutant  <ccoutant@google.com>
1230
1231         * options.h (class General_options): Add --[no-]gnu-unique options.
1232         * symtab.cc (Symbol_table::sized_write_globals): Convert
1233         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
1234
1235 2011-10-31  Cary Coutant  <ccoutant@google.com>
1236
1237         PR gold/13359
1238         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
1239         unnecessary assertion.
1240         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
1241
1242 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
1243
1244         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1245         gc_mark_symbol.
1246         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1247         gc_mark_symbol.
1248         Change to just keep the section associated with symbol.
1249         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
1250         they are externally visible and --export-dynamic is turned on.
1251         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
1252
1253 2011-10-19  Ian Lance Taylor  <iant@google.com>
1254
1255         PR gold/13163
1256         * script-sections.cc
1257         (Output_section_element_dot_assignment::needs_output_section): New
1258         function.
1259
1260 2011-10-19  Ian Lance Taylor  <iant@google.com>
1261
1262         PR gold/13204
1263         * layout.cc (Layout::segment_precedes): Don't assert failure if a
1264         --section-start option was seen.
1265         * options.h (General_options::any_section_start): New function.
1266
1267 2011-10-18  David S. Miller  <davem@davemloft.net>
1268
1269         PR binutils/13301
1270         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
1271         member to track relocation locations that have moved during TLS
1272         reloc optimizations.
1273         (Target_sparc::Relocate::Relocate): Initialize to NULL.
1274         (Target_sparc::Relocate::relocate): Adjust view down by 4
1275         bytes if it matches reloc_adjust_addr_.
1276         (Target_sparc::Relocate::relocate_tls): Always move the
1277         __tls_get_addr call delay slot instruction forward 4 bytes when
1278         performing relaxation.
1279
1280 2011-10-18  Cary Coutant  <ccoutant@google.com>
1281
1282         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
1283         (Output_file::map_no_anonymous): Check for non-zero
1284         return code from posix_fallocate.
1285
1286 2011-10-17  Cary Coutant  <ccoutant@google.com>
1287
1288         PR gold/13245
1289         * plugin.cc (is_visible_from_outside): Check for symbols
1290         referenced from dynamic objects.
1291         * resolve.cc (Symbol_table::resolve): Don't count references
1292         from dynamic objects as references from real ELF files.
1293         * testsuite/plugin_test_2.sh: Adjust expected result.
1294
1295 2011-10-17  Cary Coutant  <ccoutant@google.com>
1296
1297         * gold.cc: Include timer.h.
1298         (queue_middle_tasks): Stamp time.
1299         (queue_final_tasks): Likewise.
1300         * main.cc (main): Store timer in parameters.  Print timers
1301         for each pass.
1302         * parameters.cc (Parameters::Parameters): Initialize timer_.
1303         (Parameters::set_timer): New function.
1304         (set_parameters_timer): New function.
1305         * parameters.h (Parameters::set_timer): New function.
1306         (Parameters::timer): New function.
1307         (Parameters::timer_): New data member.
1308         (set_parameters_timer): New function.
1309         * timer.cc (Timer::stamp): New function.
1310         (Timer::get_pass_time): New function.
1311         * timer.h (Timer::stamp): New function.
1312         (Timer::get_pass_time): New function.
1313         (Timer::pass_times_): New data member.
1314
1315 2011-10-17  Cary Coutant  <ccoutant@google.com>
1316
1317         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1318         task for members of lib groups.
1319
1320 2011-10-17  Cary Coutant  <ccoutant@google.com>
1321
1322         PR gold/13288
1323         * fileread.cc (File_read::find_view): Add assert.
1324         (File_read::make_view): Move bounds check (replace with assert)...
1325         (File_read::find_or_make_view): ... to here.
1326
1327 2011-10-12  Cary Coutant  <ccoutant@google.com>
1328
1329         * output.cc (Output_file::open_base_file): Handle case where
1330         ::read returns less than requested size.
1331
1332 2011-10-10  Cary Coutant  <ccoutant@google.com>
1333
1334         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1335         Initialize defined_count_.
1336         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1337         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1338         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1339         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1340         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1341         * incremental.h (Sized_relobj_incr::defined_count_): New data
1342         member.
1343         (Sized_incr_dynobj::defined_count_): New data member.
1344         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1345         Return zeroes instead of internal error.
1346
1347 2011-10-10  Cary Coutant  <ccoutant@google.com>
1348
1349         PR gold/13249
1350         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1351         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1352         * output.h (class Output_reloc): Add use_plt_offset flag.
1353         (Output_reloc::type_): Adjust size of bit field.
1354         (Output_reloc::use_plt_offset_): New bit field.
1355         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1356         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1357         flag.  Adjust all callers.
1358         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1359         creating RELATIVE relocations.
1360
1361 2011-10-10  Nick Clifton  <nickc@redhat.com>
1362
1363         * po/es.po: Updated Spanish translation.
1364         * po/fi.po: Updated Finnish translation.
1365
1366 2011-10-03   Diego Novillo  <dnovillo@google.com>
1367
1368         * options.cc (parse_uint): Fix dereference of RETVAL.
1369
1370 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1371
1372         * layout.h (section_order_map_): New member.
1373         (get_section_order_map): New member function.
1374         * output.cc (Output_section::add_input_section): Check for patterns
1375         only when --section-ordering-file is specified.
1376         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1377         output_sections have been formed.
1378         * layout.cc (Layout_Layout): Initialize section_order_map_.
1379         * plugin.cc (update_section_order): Store order in order_map. Do not
1380         update the order.
1381         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1382         * testsuite/Makefile.in: Regenerate.
1383         * testsuite/plugin_section_order.c: New file.
1384         * testsuite/plugin_final_layout.cc: New file.
1385         * testsuite/plugin_final_layout.sh: New file.
1386
1387 2011-09-29  Cary Coutant  <ccoutant@google.com>
1388
1389         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1390         Check for NULL.
1391         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1392         symbols during incremental update.
1393         (Symbol_table::add_from_dynobj): Likewise.
1394
1395 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1396             Ian Lance Taylor  <iant@google.com>
1397
1398         * symtab.cc (Symbol_table::define_special_symbol): Always
1399         canonicalize version string.
1400
1401 2011-09-26  Cary Coutant  <ccoutant@google.com>
1402
1403         * gold.cc (queue_initial_tasks): Move option checks ...
1404         * options.cc (General_options::finalize): ... to here. Disable
1405         some options; make others fatal.
1406
1407 2011-09-26  Cary Coutant  <ccoutant@google.com>
1408
1409         gcc PR lto/47247
1410         * plugin.cc (get_symbols_v2): New function.
1411         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1412         (is_referenced_from_outside): New function.
1413         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1414         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1415         (get_symbols): Pass version parameter.
1416         (get_symbols_v2): New function.
1417         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1418         parameter.
1419         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
1420         (onload): Add LDPT_GET_SYMBOLS_V2.
1421         (all_symbols_read_hook): Use get_symbols_v2; check for
1422         LDPR_PREVAILING_DEF_IRONLY_EXP.
1423         * testsuite/plugin_test_3.sh: Update expected results.
1424
1425 2011-09-23  Simon Baldwin  <simonb@google.com>
1426
1427         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
1428         configuration options.
1429         * configure: Regenerate.
1430         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
1431         * Makefile.in: Regenerate.
1432         * testsuite/Makefile.in: Regenerate.
1433
1434 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
1435
1436         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
1437
1438 2011-09-19  Cary Coutant  <ccoutant@google.com>
1439
1440         * incremental.cc (can_incremental_update): Fix typo in comment.
1441         * incremental.h (can_incremental_update): Likewise.
1442
1443 2011-09-18  Cary Coutant  <ccoutant@google.com>
1444
1445         * incremental.cc (can_incremental_update): New function.
1446         * incremental.h (can_incremental_update): New function.
1447         * layout.cc (Layout::init_fixed_output_section): Call it.
1448         (Layout::make_output_section): Don't allow patch space in .eh_frame.
1449         * object.cc (Sized_relobj_file::do_layout): Call
1450         can_incremental_update.
1451
1452 2011-09-13  Cary Coutant  <ccoutant@google.com>
1453
1454         * configure.ac: Check for glibc support for gnu_indirect_function
1455         support with static linking, setting automake conditional
1456         IFUNC_STATIC.
1457         * Makefile.in: Regenerate.
1458         * configure: Regenerate.
1459
1460         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
1461         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
1462         for IFUNC_STATIC.
1463         * testsuite/Makefile.in: Regenerate.
1464
1465 2011-09-13  Cary Coutant  <ccoutant@google.com>
1466
1467         * incremental.cc (Sized_relobj_incr::do_layout): Call
1468         report_comdat_group for kept comdat sections.
1469         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
1470         * testsuite/Makefile.in: Regenerate.
1471         * testsuite/incr_comdat_test_1.cc: New source file.
1472         * testsuite/incr_comdat_test_2_v1.cc: New source file.
1473         * testsuite/incr_comdat_test_2_v2.cc: New source file.
1474         * testsuite/incr_comdat_test_2_v3.cc: New source file.
1475
1476 2011-09-13  Ian Lance Taylor  <iant@google.com>
1477
1478         * object.cc (Sized_relobj_file::do_layout): Remove unused local
1479         variable external_symbols_offset.
1480
1481 2011-09-12  Ian Lance Taylor  <iant@google.com>
1482
1483         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
1484         triggered if object has no symbols.
1485
1486 2011-09-09  David S. Miller  <davem@davemloft.net>
1487
1488         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
1489         (Output_fill_debug_line::do_write): Likewise.
1490
1491 2011-08-29  Cary Coutant  <ccoutant@google.com>
1492
1493         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
1494         casts to match formatting specs.
1495         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
1496
1497 2011-08-26  Cary Coutant  <ccoutant@google.com>
1498
1499         * layout.cc (Free_list::allocate): Provide guarantee of minimum
1500         remaining hole size when allocating.
1501         (Layout::make_output_section): Set fill methods for debug sections.
1502         * layout.h (Free_list::Free_list_node): Move from private to
1503         public.
1504         (Free_list::set_min_hole_size): New function.
1505         (Free_list::begin, Free_list::end): New functions.
1506         (Free_list::min_hole_): New data member.
1507         * output.cc: Include dwarf.h.
1508         (Output_fill_debug_info::do_minimum_hole_size): New function.
1509         (Output_fill_debug_info::do_write): New function.
1510         (Output_fill_debug_line::do_minimum_hole_size): New function.
1511         (Output_fill_debug_line::do_write): New function.
1512         (Output_section::Output_section): Initialize new data member.
1513         (Output_section::set_final_data_size): Ensure patch space is larger
1514         than minimum hole size.
1515         (Output_section::do_write): Fill holes in debug sections.
1516         * output.h (Output_fill): New class.
1517         (Output_fill_debug_info): New class.
1518         (Output_fill_debug_line): New class.
1519         (Output_section::set_free_space_fill): New function.
1520         (Output_section::free_space_fill_): New data member.
1521         * testsuite/Makefile.am (incremental_test_3): Add
1522         --incremental-patch option.
1523         (incremental_test_4): Likewise.
1524         (incremental_test_5): Likewise.
1525         (incremental_test_6): Likewise.
1526         (incremental_copy_test): Likewise.
1527         (incremental_common_test_1): Likewise.
1528         * testsuite/Makefile.in: Regenerate.
1529
1530 2011-08-26  Nick Clifton  <nickc@redhat.com>
1531
1532         * po/es.po: Updated Spanish translation.
1533
1534 2011-08-01  Cary Coutant  <ccoutant@google.com>
1535
1536         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
1537         * gold/testsuite/Makefile.in: Regenerate.
1538         * gold/testsuite/justsyms_exec.c: New source file.
1539         * gold/testsuite/justsyms_lib.c: New source file.
1540
1541 2011-08-01  Cary Coutant  <ccoutant@google.com>
1542
1543         * layout.cc (Layout::set_segment_offsets): Don't realign text
1544         segment if -Ttext was specified.
1545         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
1546         file type.
1547         * object.h (Sized_relobj_file::e_type): New function.
1548         (Sized_relobj_file::e_type_): New data member.
1549         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
1550         base address for ET_EXEC files.
1551         * target.cc (Target::do_make_elf_object_implementation): Allow
1552         ET_EXEC files with --just-symbols option.
1553
1554 2011-07-28  Cary Coutant  <ccoutant@google.com>
1555
1556         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
1557         Add thread_number parameter.
1558         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
1559         * workqueue-threads.cc
1560         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
1561         current thread if its thread number is greater than desired thread
1562         count.
1563         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
1564         Add thread_number parameter.
1565         (Workqueue::should_cancel_thread): Likewise.
1566         (Workqueue::find_runnable_or_wait): Pass thread_number to
1567         should_cancel_thread.
1568         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
1569         parameter.
1570
1571 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
1572
1573         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
1574         only after checking if it cannot be forced local.
1575         * symtab.h (is_externally_visible): Check if the symbol is not forced
1576         local.
1577
1578 2011-07-15  Ian Lance Taylor  <iant@google.com>
1579
1580         * options.h (class General_options): Add --print-output-format.
1581         Move -EL next to -EB, for  better --help output.
1582         * target-select.cc: Include <cstdio>, "options.h", and
1583         "parameters.h".
1584         (Target_selector::do_target_bfd_name): New function.
1585         (print_output_format): New function.
1586         * target-select.h (class Target_selector): Update declarations.
1587         (Target_selector::target_bfd_name): New function.
1588         (print_output_format): Declare.
1589         * main.cc: Include "target-select.h".
1590         (main): Handle --print-output-format.
1591         * gold.cc: Include "target-select.h".
1592         (queue_initial_tasks): Handle --print-output-format when there are
1593         no input files.
1594         * parameters.cc (parameters_force_valid_target): Give a better
1595         error message if -EB/-EL does not match target.
1596         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
1597         function.
1598
1599 2011-07-15  Ian Lance Taylor  <iant@google.com>
1600
1601         * i386.cc (class Output_data_plt_i386): Add layout_ field.
1602         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
1603         (Output_data_plt_i386::do_write): Write address of .dynamic
1604         section to first entry in .got.plt section.
1605         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
1606         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1607         Initialize layout_.
1608         (Output_data_plt_x86_64::do_write): Write address of .dynamic
1609         section to first entry in .got.plt section.
1610         * layout.h (Layout::dynamic_section): New function.
1611
1612 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
1613
1614         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
1615         to claim_file call.
1616         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
1617         input_section_position_, and input_section_glob_.
1618         (read_layout_from_file): Call function section_ordering_specified.
1619         * layout.h (is_section_ordering_specified): New function.
1620         (section_ordering_specified): New function.
1621         (section_ordering_specified_): New boolean member.
1622         * main.cc(main): Call load_plugins after layout object is defined.
1623         * output.cc (Output_section::add_input_section): Use
1624         function section_ordering_specified to check if section ordering is
1625         needed.
1626         * output.cc (Output_section::add_relaxed_input_section): Use
1627         function section_ordering_specified to check if section ordering is
1628         needed.
1629         (Output_section::update_section_layout): New function.
1630         (Output_section::sort_attached_input_sections): Check if input section
1631         must be reordered.
1632         * output.h (Output_section::update_section_layout): New function.
1633         * plugin.cc (get_section_count): New function.
1634         (get_section_type): New function.
1635         (get_section_name): New function.
1636         (get_section_contents): New function.
1637         (update_section_order): New function.
1638         (allow_section_ordering): New function.
1639         (Plugin::load): Add the new interfaces to the transfer vector.
1640         (Plugin_manager::load_plugins): New parameter.
1641         (Plugin_manager::all_symbols_read): New parameter.
1642         (Plugin_manager::claim_file): New parameter. Save the elf object for
1643         unclaimed objects.
1644         (Plugin_manager::get_elf_object): New function.
1645         (Plugin_manager::get_view): Change to directly use the bool to check
1646         if get_view is called from claim_file_hook.
1647         * plugin.h (input_objects): New function
1648         (Plugin__manager::load_plugins): New parameter.
1649         (Plugin_manager::claim_file): New parameter.
1650         (Plugin_manager::get_elf_object): New function.
1651         (Plugin_manager::in_claim_file_handler): New function.
1652         (Plugin_manager::in_claim_file_handler_): New member.
1653         (layout): New function.
1654         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
1655         handler with an extra parameter. Make the elf object before calling
1656         claim_file handler.
1657         * testsuite/plugin_test.c (get_section_count): New function pointer.
1658         (get_section_type): New function pointer.
1659         (get_section_name): New function pointer.
1660         (get_section_contents): New function pointer.
1661         (update_section_order): New function pointer.
1662         (allow_section_ordering): New function pointer.
1663         (onload): Check if the new interfaces exist.
1664
1665 2011-07-13  Ian Lance Taylor  <iant@google.com>
1666
1667         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
1668         relro section.
1669         * x86_64.cc (Target_x86_64::got_section): Likewise.
1670         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
1671         (relro_now_test_SOURCES): New variable.
1672         (relro_now_test_DEPENDENCIES): New variable.
1673         (relro_now_test_LDFLAGS): New variable.
1674         (relro_now_test_LDADD): New variable.
1675         (relro_now_test.so): New target.
1676         * testsuite/Makefile.in: Rebuild.
1677
1678 2011-07-12  Ian Lance Taylor  <iant@google.com>
1679
1680         PR gold/12980
1681         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
1682         GLOB_DAT relocation rather than a RELATIVE relocation for a
1683         protected symbol when creating a shared library.
1684         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1685         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
1686         * testsuite/protected_main_1.cc (main): Test that protected
1687         function has same address.
1688
1689 2011-07-11  Ian Lance Taylor  <iant@google.com>
1690
1691         PR gold/12979
1692         * options.h (class General_options): Add -Bgroup.
1693         * options.cc (General_options::finalize): If -Bgroup is set,
1694         default to --unresolved-symbols=report-all.
1695         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
1696         * target-reloc.h (issue_undefined_symbol_error): Handle
1697         --unresolved-symbols=report-all.
1698
1699 2011-07-08  Ian Lance Taylor  <iant@google.com>
1700
1701         PR gold/11985
1702         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
1703         if linker script discards key sections.
1704         (Layout::create_dynamic_symtab): Likewise.
1705         (Layout::assign_local_dynsym_offsets): Likewise.
1706         (Layout::sized_create_version_sections): Likewise.
1707         (Layout::create_interp): Likewise.
1708         (Layout::finish_dynamic_section): Likewise.
1709         (Layout::set_dynamic_symbol_size): Likewise.
1710
1711 2011-07-08  Ian Lance Taylor  <iant@google.com>
1712
1713         PR gold/12386
1714         * options.h (class General_options): Add --unresolved-symbols.
1715         * target-reloc.h (issue_undefined_symbol_error): Check
1716         --unresolved-symbols.  Add comments.
1717
1718 2011-07-08  Ian Lance Taylor  <iant@google.com>
1719
1720         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1721         expression more complex.
1722
1723 2011-07-08  Ian Lance Taylor  <iant@google.com>
1724
1725         PR gold/11317
1726         * target-reloc.h (issue_undefined_symbol_error): New inline
1727         function, broken out of relocate_section.
1728         (relocate_section): Call issue_undefined_symbol_error.
1729         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1730         there is no TLS segment if we are about to issue an undefined
1731         symbol error.
1732         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1733
1734 2011-07-08  Ian Lance Taylor  <iant@google.com>
1735
1736         PR gold/12279
1737         * resolve.cc (Symbol_table::should_override): Add fromtype
1738         parameter.  Change all callers.  Give error when linking together
1739         TLS and non-TLS symbol.
1740         (Symbol_table::should_override_with_special): Add fromtype
1741         parameter.  Change all callers.
1742         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1743         there is no TLS segment if we have reported some errors.
1744         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1745
1746 2011-07-08  Ian Lance Taylor  <iant@google.com>
1747
1748         PR gold/12372
1749         * target.h (Target::plt_address_for_global): New function.
1750         (Target::plt_address_for_local): New function.
1751         (Target::plt_section_for_global): Remove.
1752         (Target::plt_section_for_local): Remove.
1753         (Target::do_plt_address_for_global): New virtual function.
1754         (Target::do_plt_address_for_local): New virtual function.
1755         (Target::do_plt_section_for_global): Remove.
1756         (Target::do_plt_section_for_local): Remove.
1757         (Target::register_global_plt_entry): Add Symbol_table and Layout
1758         parameters.
1759         * output.cc (Output_data_got::Got_entry::write): Use
1760         plt_address_for_global and plt_address_for_local.
1761         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1762         address of output section.
1763         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1764         got_irelative_, and irelative_count_ fields.  Update
1765         declarations.
1766         (Output_data_plt_i386::has_irelative_section): New function.
1767         (Output_data_plt_i386::entry_count): Add irelative_count_.
1768         (Output_data_plt_i386::set_final_data_size): Likewise.
1769         (class Target_i386): Add got_irelative_ and rel_irelative_
1770         fields.  Update declarations.
1771         (Target_i386::Target_i386): Initialize new fields.
1772         (Target_i386::do_plt_address_for_global): New function replacing
1773         do_plt_section_for_global.
1774         (Target_i386::do_plt_address_for_local): New function replacing
1775         do_plt_section_for_local.
1776         (Target_i386::got_section): Create got_irelative_.
1777         (Target_i386::rel_irelative_section): New function.
1778         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1779         fields.  Don't define __rel_iplt_{start,end}.
1780         (Output_data_plt_i386::add_entry): Add symtab and layout
1781         parameters.  Change all callers.  Use different PLT and GOT for
1782         IFUNC symbols.
1783         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1784         layout parameters.  Change all callers.  Use different PLT and
1785         GOT.
1786         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1787         (Output_data_plt_i386::rel_irelative): New function.
1788         (Output_data_plt_i386::address_for_global): New function.
1789         (Output_data_plt_i386::address_for_local): New function.
1790         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1791         IRELATIVE GOT when changing IFUNC GOT entries.
1792         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1793         reloc.
1794         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1795         if we didn't create an IRELATIVE GOT.
1796         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1797         plt_address_for_local.
1798         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1799         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1800         got_irelative_, and irelative_count_ fields.  Update
1801         declarations.
1802         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1803         Initialize new fields.  Remove symtab parameter.  Change all
1804         callers.
1805         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1806         irelative_count_.
1807         (Output_data_plt_x86_64::has_irelative_section): New function.
1808         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1809         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1810         fields.  Update declarations.
1811         (Target_x86_64::Target_x86_64): Initialize new fields.
1812         (Target_x86_64::do_plt_address_for_global): New function replacing
1813         do_plt_section_for_global.
1814         (Target_x86_64::do_plt_address_for_local): New function replacing
1815         do_plt_section_for_local.
1816         (Target_x86_64::got_section): Create got_irelative_.
1817         (Target_x86_64::rela_irelative_section): New function.
1818         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1819         all callers.  Don't create __rel_iplt_{start,end}.
1820         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1821         parameters.  Change all callers.  Use different PLT and GOT for
1822         IFUNC symbols.
1823         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1824         layout parameters.  Change all callers.  Use different PLT and
1825         GOT.
1826         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1827         parameters.  Change all callers.  Use different PLT and GOT for
1828         IFUNC symbols.
1829         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1830         (Output_data_plt_x86_64::rela_irelative): New function.
1831         (Output_data_plt_x86_64::address_for_global): New function.
1832         (Output_data_plt_x86_64::address_for_local): New function.
1833         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1834         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1835         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1836         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1837         parameters.
1838         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1839         reloc.
1840         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1841         symbols if we didn't create an IRELATIVE GOT.
1842         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1843         plt_address_for_local.
1844         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1845         * testsuite/ifuncvar1.c: New test file.
1846         * testsuite/ifuncvar2.c: New test file.
1847         * testsuite/ifuncvar3.c: New test file.
1848         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1849         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1850         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1851         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1852         * testsuite/Makefile.in: Rebuild.
1853
1854 2011-07-07  Cary Coutant  <ccoutant@google.com>
1855
1856         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1857         (two_file_test_1_ndebug.o): Likewise.
1858         (two_file_test_1b_ndebug.o): Likewise.
1859         (two_file_test_2_ndebug.o): Likewise.
1860         (two_file_test_main_ndebug.o): Likewise.
1861         (incremental_test_2): Link with no-debug versions.
1862
1863 2011-07-06  Cary Coutant  <ccoutant@google.com>
1864
1865         * gold/incremental.cc
1866         (Output_section_incremental_inputs::write_info_blocks): Check for
1867         hidden and internal symbols.
1868
1869 2011-07-06  Cary Coutant  <ccoutant@google.com>
1870
1871         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1872         Check disposition for startup file.
1873         (Incremental_inputs::report_command_line): Ignore
1874         --incremental-startup-unchanged option.
1875         * options.cc (General_options::parse_incremental_startup_unchanged):
1876         New function.
1877         (General_options::General_options): Initialize new data member.
1878         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1879         (General_options): Add --incremental-startup-unchanged option.
1880         (General_options::incremental_startup_disposition): New function.
1881         (General_options::incremental_startup_disposition_): New data member.
1882
1883 2011-07-06  Cary Coutant  <ccoutant@google.com>
1884
1885         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1886         input file index to Script_info ctor.
1887         (Sized_incremental_binary::do_file_has_changed): Find the
1888         command-line argument for files named in scripts.
1889         * incremental.h (Script_info::Script_info): New ctor
1890         with input file index.
1891         (Script_info::input_file_index): New function.
1892         (Script_info::input_file_index_): New data member.
1893         (Incremental_binary::get_library): Add const.
1894         (Incremental_binary::get_script_info): Add const.
1895         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1896         * testsuite/Makefile.am (incremental_test_5): New test case.
1897         (incremental_test_6): New test case.
1898         * testsuite/Makefile.in: Regenerate.
1899
1900 2011-07-06  Cary Coutant  <ccoutant@google.com>
1901
1902         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1903         debug output when command lines differ.
1904
1905 2011-07-06  Cary Coutant  <ccoutant@google.com>
1906
1907         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1908         --incremental-patch option.
1909         * layout.cc (Free_list::allocate): Extend allocation beyond original
1910         end if enabled.
1911         (Layout::make_output_section): Mark sections that should get
1912         patch space.
1913         * options.cc (parse_percent): New function.
1914         * options.h (parse_percent): New function.
1915         (DEFINE_percent): New macro.
1916         (General_options): Add --incremental-patch option.
1917         * output.cc (Output_section::Output_section): Initialize new data
1918         members.
1919         (Output_section::add_input_section): Print section name when out
1920         of patch space.
1921         (Output_section::add_output_section_data): Likewise.
1922         (Output_section::set_final_data_size): Add patch space when
1923         doing --incremental-full.
1924         (Output_section::do_reset_address_and_file_offset): Remove patch
1925         space.
1926         (Output_segment::set_section_list_addresses): Print debug output
1927         only if --incremental-update.
1928         * output.h (Output_section::set_is_patch_space_allowed): New function.
1929         (Output_section::is_patch_space_allowed_): New data member.
1930         (Output_section::patch_space_): New data member.
1931         * parameters.cc (Parameters::incremental_full): New function.
1932         * parameters.h (Parameters::incremental_full): New function
1933         * testsuite/Makefile.am (incremental_test_2): Add test for
1934         --incremental-patch option.
1935         * testsuite/Makefile.in: Regenerate.
1936         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1937         (t18): Remove function body.
1938
1939 2011-07-05  Doug Kwan  <dougkwan@google.com>
1940
1941         PR gold/12771
1942         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1943         Arm_Address type for relocation result.
1944         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1945         overflow check.
1946         (Arm_relocate_functions::abs32): Use unaligned access.
1947         (Arm_relocate_functions::rel32): Ditto.
1948         (Arm_relocate_functions::prel31): Ditto.
1949         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1950         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1951         static data relocations.
1952         * testsuite/Makefile.in: Regnerate.
1953         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1954
1955 2011-07-05  Ian Lance Taylor  <iant@google.com>
1956
1957         PR gold/12392
1958         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1959         symbols if necessary.
1960         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1961
1962 2011-07-05  Ian Lance Taylor  <iant@google.com>
1963
1964         PR gold/12952
1965         * resolve.cc (Symbol::override_base_with_special): Simply override
1966         version with special symbol version, ignoring previous version.
1967
1968 2011-07-05  Ian Lance Taylor  <iant@google.com>
1969
1970         * object.cc (Sized_relobj_file::include_section_group): Add
1971         information to comment about signature location.
1972
1973 2011-07-02  Ian Lance Taylor  <iant@google.com>
1974
1975         PR gold/12957
1976         * options.h (class General_options): Add -f and -F.
1977         * options.cc (General_options::finalize): Fatal error if -f/-F
1978         are used without -shared.
1979         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1980
1981 2011-07-02  Ian Lance Taylor  <iant@google.com>
1982
1983         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1984
1985 2011-07-01  Ian Lance Taylor  <iant@google.com>
1986
1987         PR gold/12525
1988         PR gold/12952
1989         * resolve.cc (Symbol::override_base_with_special): Don't override
1990         the version if the overriding symbol has a different name.
1991         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1992         all callers.  If we give an error about an undefined version,
1993         define the base version if necessary.
1994         * dynobj.h (class Versions): Update declaration.
1995         * testsuite/weak_alias_test_5.cc: New file.
1996         * testsuite/weak_alias_test.script: New file.
1997         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1998         and versioned_alias have the right value, and call t2.
1999         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
2000         weak_alias_test_5.so.
2001         (weak_alias_test_LDADD): Likewise.
2002         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
2003         * testsuite/Makefile.in: Rebuild.
2004
2005 2011-07-01  Ian Lance Taylor  <iant@google.com>
2006
2007         PR gold/12525
2008         * options.h (class General_options): Support -z notext.
2009         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
2010         -Wl,-z,notext.
2011         (two_file_shared_nonpic.so): Likewise.
2012         (two_file_shared_mixed.so): Likewise.
2013         (two_file_shared_mixed_1.so): Likewise.
2014         (weak_undef_lib_nonpic.so): Likewise.
2015         (alt/weak_undef_lib_nonpic.so): Likewise.
2016         (tls_test_shared_nonpic.so): Likewise.
2017         * testsuite/Makefile.in: Rebuild.
2018
2019 2011-07-01  Ian Lance Taylor  <iant@google.com>
2020
2021         PR gold/12525
2022         * configure.ac: Test whether static linking works, setting
2023         the automake conditional HAVE_STATIC.
2024         * testsuite/Makefile.am: Disable tests using -static if
2025         HAVE_STATIC is not true.
2026         * configure, testsuite/Makefile.in: Rebuild.
2027
2028 2011-07-01  Ian Lance Taylor  <iant@google.com>
2029
2030         PR gold/12525
2031         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
2032         Assert if we see DW_EH_PE_indirect.
2033         * target.h (Target::ehframe_datarel_base): New function.
2034         (Target::do_ehframe_datarel_base): New target function.
2035         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
2036         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
2037         function.
2038
2039 2011-07-01  Ian Lance Taylor  <iant@google.com>
2040
2041         PR gold/12571
2042         * options.h (class General_options): Add
2043         --ld-generated-unwind-info.
2044         * ehframe.cc (Fde::write): Add address parameter.  Change all
2045         callers.  If associated with PLT, fill in address and size.
2046         (Cie::set_output_offset): Only add merge mapping if there is an
2047         object.
2048         (Cie::write): Add address parameter.  Change all callers.
2049         (Eh_frame::add_ehframe_for_plt): New function.
2050         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
2051         input_offset_ fields into union u_, with new plt field.
2052         (Fde::Fde): Adjust for new union field.
2053         (Fde::Fde) [Output_data version]: New constructor.
2054         (Fde::add_mapping): Only add merge mapping if there is an object.
2055         (class Cie): Update declarations.
2056         (class Eh_frame): Declare add_ehframe_for_plt.
2057         * layout.cc (Layout::layout_eh_frame): Break out code into
2058         make_eh_frame_section, and call it.
2059         (Layout::make_eh_frame_section): New function.
2060         (Layout::add_eh_frame_for_plt): New function.
2061         * layout.h (class Layout): Update declarations.
2062         * merge.cc (Merge_map::add_mapping): Add assertion.
2063         * i386.cc: Include "dwarf.h".
2064         (class Output_data_plt_i386): Make first_plt_entry,
2065         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
2066         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2067         and plt_eh_frame_fde.
2068         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
2069         boundary.  Call add_eh_frame_for_plt if appropriate.
2070         * x86_64.cc: Include "dwarf.h".
2071         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
2072         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
2073         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2074         and plt_eh_frame_fde.
2075         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
2076         appropriate.
2077
2078 2011-06-29  Ian Lance Taylor  <iant@google.com>
2079
2080         PR gold/12629
2081         * object.cc (Sized_relobj_file::layout_section): Change shdr
2082         parameter to be const.
2083         (Sized_relobj_file::layout_eh_frame_section): New function, broken
2084         out of do_layout.
2085         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
2086         appropriate.  Call layout_eh_frame_section.
2087         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
2088         sections.
2089         * object.h (class Sized_relobj_file): Update declarations.
2090
2091 2011-06-29  Ian Lance Taylor  <iant@google.com>
2092
2093         PR gold/12652
2094         * script.cc (Token::integer_value): Accept trailing M/m/K/k
2095         modifier.
2096         (Lex::gather_token): Accept trailing M/m/K/k for integers.
2097
2098 2011-06-29  Ian Lance Taylor  <iant@google.com>
2099
2100         PR gold/12675
2101         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
2102         SHT_X86_64_UNWIND.
2103         * layout.cc (Layout::layout_eh_frame): Likewise.
2104
2105 2011-06-29  Ian Lance Taylor  <iant@google.com>
2106
2107         PR gold/12695
2108         * layout.cc (Layout::symtab_section_shndx): New function.
2109         * layout.h (class Layout): Declare symtab_section_shndx.
2110         * output.cc (Output_section::write_header): Call it.
2111
2112 2011-06-29  Ian Lance Taylor  <iant@google.com>
2113
2114         PR gold/12818
2115         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
2116         symbols which are not used in a relocation.
2117
2118 2011-06-28  Ian Lance Taylor  <iant@google.com>
2119
2120         PR gold/12898
2121         * layout.cc (Layout::segment_precedes): Don't crash if a linker
2122         script create indistinguishable segments.
2123         (Layout::set_segment_offsets): Use stable_sort when sorting
2124         segments.  Pass this to Compare_segments constructor.
2125         * layout.h (class Layout): Make segment_precedes non-static.
2126         (class Compare_segments): Change from struct to class.  Add
2127         layout_ field.  Add constructor.
2128         * script-sections.cc
2129         (Script_sections::attach_sections_using_phdrs_clause): Rename
2130         local orphan to is_orphan.  Don't report failure to put empty
2131         section in segment.  On attachment failure, report name of
2132         section, and attach to first PT_LOAD segment.
2133
2134 2011-06-28  Ian Lance Taylor  <iant@google.com>
2135
2136         PR gold/12934
2137         * target-select.cc (Target_selector::Target_selector): Add
2138         emulation parameter.  Change all callers.
2139         (select_target_by_bfd_name): Rename from select_target_by_name.
2140         Change all callers.
2141         (select_target_by_emulation): New function.
2142         (supported_emulation_names): New function.
2143         * target-select.h (class Target_selector): Add emulation_ field.
2144         Update declarations.
2145         (Target_selector::recognize_by_bfd_name): Rename from
2146         recognize_by_name.  Change all callers.
2147         (Target_selector::supported_bfd_names): Rename from
2148         supported_names.  Change all callers.
2149         (Target_selector::recognize_by_emulation): New function.
2150         (Target_selector::supported_emulations): New function.
2151         (Target_selector::emulation): New function.
2152         (Target_selector::do_recognize_by_bfd_name): Rename from
2153         do_recognize_by_name.  Change all callers.
2154         (Target_selector::do_supported_bfd_names): Rename from
2155         do_supported_names.  Change all callers.
2156         (Target_selector::do_recognize_by_emulation): New function.
2157         (Target_selector::do_supported_emulations): New function.
2158         (select_target_by_bfd_name): Change name in declaration.
2159         (select_target_by_emulation): Declare.
2160         (supported_emulation_names): Declare.
2161         * parameters.cc (parameters_force_valid_target): Try to find
2162         target based on emulation from -m option.
2163         * options.h (class General_options): Change doc string for -m.
2164         * options.cc (help): Print emulations.
2165         (General_options::parse_V): Likewise.
2166         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
2167         Add emulation parameter.  Change all callers.
2168
2169 2011-06-28  Ian Lance Taylor  <iant@google.com>
2170
2171         * target.h (class Target): Add osabi_ field.
2172         (Target::osabi): New function.
2173         (Target::set_osabi): New function.
2174         (Target::Target): Initialize osabi_.
2175         (Target::do_adjust_elf_header): Make pure virtual.
2176         (Sized_target::do_adjust_elf_header): Declare.
2177         * target.cc (Sized_target::do_adjust_elf_header): New function.
2178         (class Sized_target): Instantiate all versions.
2179         * freebsd.h (class Target_freebsd): Remove.
2180         (Target_selector_freebsd::do_recognize): Call set_osabi on
2181         Target.
2182         (Target_selector_freebsd::do_recognize_by_name): Likewise.
2183         (Target_selector_freebsd::set_osabi): Remove.
2184         * i386.cc (class Target_i386): Inherit from Sized_target rather
2185         than Target_freebsd.
2186         * x86_64.cc (class Target_x86_64): Likewise.
2187
2188 2011-06-28  Ian Lance Taylor  <iant@google.com>
2189
2190         * target.h (Target::can_check_for_function_pointers): Rewrite.
2191         Make non-virtual.
2192         (Target::can_icf_inline_merge_sections): Likewise.
2193         (Target::section_may_have_icf_unsafe_poineters): Likewise.
2194         (Target::Target_info): Add can_icf_inline_merge_sections field.
2195         (Target::do_can_check_for_function_pointers): New virtual
2196         function.
2197         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
2198         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
2199         from can_check_for_function_pointers, move in file.
2200         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
2201         section_may_have_icf_unsafe_poineters, move in file.
2202         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
2203         * i386.cc (Target_i386::do_can_check_for_function_pointers):
2204         Rename from can_check_for_function_pointers, move in file.
2205         (Target_i386::can_icf_inline_merge_sections): Remove.
2206         (Target_i386::i386_info): Initialize
2207         can_icf_inline_merge_sections.
2208         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2209         Initialize can_icf_inline_merge_sections.
2210         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
2211         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
2212         Rename from can_check_for_function_pointers, move in file.
2213         (Target_x86_64::can_icf_inline_merge_sections): Remove.
2214         (Target_x86_64::x86_64_info): Initialize
2215         can_icf_inline_merge_sections.
2216         * testsuite/testfile.cc (Target_test::test_target_info):
2217         Likewise.
2218         * icf.cc (get_section_contents): Correct formatting.
2219
2220 2011-06-27  Ian Lance Taylor  <iant@google.com>
2221
2222         * symtab.cc (Symbol::versioned_name): New function.
2223         (Symbol_table::add_to_final_symtab): Use versioned_name when
2224         appropriate.
2225         (Symbol_table::sized_write_symbol): Likewise.
2226         * symtab.h (class Symbol): Declare versioned_name.
2227         * stringpool.h (class Stringpool_template): Add variant of add
2228         which takes a std::basic_string.
2229         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
2230         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
2231         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
2232         (ver_test_12.o): New target.
2233         * testsuite/Makefile.in: Rebuild.
2234
2235 2011-06-27  Doug Kwan  <dougkwan@google.com>
2236
2237         * arm.cc (Arm_relocate_functions::thm_jump8,
2238         Arm_relocate_functions::thm_jump11): Use a wider signed
2239         type to compute offset.
2240         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
2241         arm_thm_jump8.
2242         * testsuite/Makefile.in: Regenerate.
2243         * testsuite/arm_branch_in_range.sh: Check test results of
2244         arm_thm_jump11 and arm_thm_jump8.
2245         * testsuite/arm_thm_jump11.s: New test source file.
2246         * testsuite/arm_thm_jump11.t: New linker script.
2247         * testsuite/arm_thm_jump8.s: New test source file.
2248         * testsuite/arm_thm_jump8.t: New linker script.
2249
2250 2011-06-24  Ian Lance Taylor  <iant@google.com>
2251
2252         * layout.cc: Include "object.h".
2253         (ctors_sections_in_init_array): New static variable.
2254         (Layout::is_ctors_in_init_array): New function.
2255         (Layout::layout): Add entry to ctors_sections_in_init_array if
2256         appropriate.
2257         * layout.h (class Layout): Declare is_ctors_in_init_array.
2258         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
2259         is_ctors_reverse_view is set.
2260         (Sized_relobj_file::write_sections): Add layout parameter.  Change
2261         all callers.  Set is_ctors_reverse_view field of View_size.
2262         (Sized_relobj_file::reverse_words): New function.
2263         * object.h (Sized_relobj_file::View_size): Add
2264         is_ctors_reverse_view field.
2265         (class Sized_relobj_file): Update declarations.
2266         * testsuite/initpri3.c: New test.
2267         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
2268         initpri3b.
2269         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
2270         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
2271         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
2272         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
2273         * testsuite/Makefile.in: Rebuild.
2274
2275 2011-06-24  Cary Coutant  <ccoutant@google.com>
2276
2277         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
2278         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
2279         (debug_msg_cdebug.err): New targets.
2280         * testsuite/Makefile.in: Regenerate.
2281         * testsuite/debug_msg.sh: Check output of link with compressed debug.
2282         Fix checks for link with shared library.
2283
2284 2011-06-24  Doug Kwan  <dougkwan@google.com>
2285
2286         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
2287         skip empty text sections.
2288         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
2289
2290 2011-06-22  Ian Lance Taylor  <iant@google.com>
2291
2292         PR gold/12910
2293         * options.h (class General_options): Add --ctors-in-init-array.
2294         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
2295         friends as SHT_PROGBITS for merging sections.
2296         (Layout::layout): Remove special handling of .init_array and
2297         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2298         and .dtors if ctors_in_init_array.
2299         (Layout::make_output_section): Force correct section types for
2300         .init_array and friends.  Don't sort if doing relocatable link,
2301         Don't sort .ctors and .dtors if ctors_in_init_array.
2302         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
2303         (Layout::output_section_name): Add relobj parameter.  Change all
2304         callers.  Handle .ctors. and .dtors. in code rather than table.
2305         Handle .ctors and .dtors if ctors_in_init_array.
2306         (Layout::match_file_name): New function, moved from output.cc.
2307         * layout.h (class Layout): Update declarations.
2308         * output.cc: Include "layout.h".
2309         (Input_section_sort_entry::get_priority): New function.
2310         (Input_section_sort_entry::match_file_name): Just call
2311         Layout::match_file_name.
2312         (Output_section::Input_section_sort_init_fini_compare::operator()):
2313         Handle .ctors and .dtors.  Sort by explicit priority rather than
2314         by name.
2315         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2316         * testsuite/initpri2.c: New test.
2317         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2318         (check_PROGRAMS): Add initpri2.
2319         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2320         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2321         * configure, testsuite/Makefile.in: Rebuild.
2322
2323 2011-06-19  Ian Lance Taylor  <iant@google.com>
2324
2325         PR gold/12880
2326         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2327         .interp section to a PT_INTERP segment even if we have seen a
2328         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2329         clause in a linker script.
2330         (Layout::finalize): Don't create a .interp section if we've
2331         already create a PT_INTERP segment.
2332         (Layout::create_interp): Always call choose_output_section (revert
2333         patch of 2011-06-17).  Don't create PT_INTERP segment.
2334         * script-sections.cc
2335         (Script_sections::create_note_and_tls_segments): Add a .interp
2336         section to a PT_INTERP segment even if we have seen a
2337         --dynamic-linker option.
2338
2339 2011-06-18  Ian Lance Taylor  <iant@google.com>
2340
2341         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2342         merely because a non-PT_LOAD segment has a dynamic reloc.
2343
2344 2011-06-18  Ian Lance Taylor  <iant@google.com>
2345
2346         * layout.cc (Layout::finish_dynamic_section): Don't create
2347         DT_FLAGS entry if not needed.
2348
2349 2011-06-18  Ian Lance Taylor  <iant@google.com>
2350
2351         PR gold/12745
2352         * layout.cc (Layout::layout_eh_frame): Correct handling of
2353         writable .eh_frame section.
2354
2355 2011-06-17  Ian Lance Taylor  <iant@google.com>
2356
2357         PR gold/12893
2358         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2359         symbol is redefined with the exact same object and value.
2360
2361 2011-06-17  Ian Lance Taylor  <iant@google.com>
2362
2363         PR gold/12880
2364         * layout.h (class Layout): Add interp_segment_ field.
2365         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2366         (Layout::attach_allocated_section_to_segment): If making shared
2367         library, put .interp section in PT_INTERP segment.
2368         (Layout::finalize): Also call create_interp if -dynamic-linker
2369         option was used.
2370         (Layout::create_interp): Assert that there is no PT_INTERP
2371         segment.  If not using a SECTIONS clause, use make_output_section.
2372         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2373         * script-sections.cc
2374         (Script_sections::create_note_and_tls_segments): If making shared
2375         library, put .interp section in PT_INTERP segment.
2376
2377 2011-06-17  Ian Lance Taylor  <iant@google.com>
2378
2379         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2380         when making a shared library.
2381
2382 2011-06-17  Ian Lance Taylor  <iant@google.com>
2383
2384         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2385         parameter.  Change all callers.  Don't issue warning about PC32
2386         against locally defined symbol.
2387
2388 2011-06-16  Ian Lance Taylor  <iant@google.com>
2389
2390         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2391         occurs in same object.
2392
2393 2011-06-14  Alan Modra  <amodra@gmail.com>
2394
2395         * po/POTFILES.in: Regenerate.
2396
2397 2011-06-09  Ian Lance Taylor  <iant@google.com>
2398
2399         * script-sections.cc
2400         (Orphan_output_section::set_section_addresses): For a relocatable
2401         link set address to 0.
2402
2403 2011-06-09  Cary Coutant  <ccoutant@google.com>
2404
2405         PR gold/12804
2406         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2407         used with --compress-debug-sections.
2408         * gold/object.cc (Sized_relobj_file::do_layout): Report
2409         uncompressed size of compressed input sections.
2410
2411 2011-06-08  Cary Coutant  <ccoutant@google.com>
2412
2413         PR gold/12804
2414         * testsuite/two_file_test_2_v1.cc: Change initialization of
2415         v2 to keep it in .data.
2416
2417 2011-06-07  Cary Coutant  <ccoutant@google.com>
2418
2419         * common.cc (Symbol_table::do_allocate_commons_list): Call
2420         gold_fallback.
2421         * errors.cc (Errors::fatal): Adjust call to gold_exit.
2422         (Errors::fallback): New function.
2423         (gold_fallback): New function.
2424         * errors.h (Errors::fallback): New function.
2425         * gold.cc (gold_exit): Change status parameter to enum; adjust
2426         all callers.
2427         (queue_initial_tasks): Call gold_fallback.
2428         * gold.h: Include cstdlib.
2429         (Exit_status): New enum type.
2430         (gold_exit): Change status parameter to enum.
2431         (gold_fallback): New function.
2432         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
2433         (Layout::create_symtab_sections): Likewise.
2434         (Layout::create_shdrs): Likewise.
2435         * main.cc (main): Adjust call to gold_exit.
2436         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
2437         (Output_data_got::add_got_entry_pair): Likewise.
2438         (Output_section::add_input_section): Likewise.
2439         (Output_section::add_output_section_data): Likewise.
2440         (Output_segment::set_section_list_addresses): Likewise.
2441         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
2442
2443 2011-06-07  Cary Coutant  <ccoutant@google.com>
2444
2445         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
2446         for incremental links.
2447         * output.cc (Output_segment::set_section_list_addresses): Remove
2448         FIXME and test for TLS or BSS.
2449
2450 2011-06-07  Cary Coutant  <ccoutant@google.com>
2451
2452         * testsuite/Makefile.am: Add incremental_copy_test,
2453         incremental_common_test_1.
2454         * testsuite/Makefile.in: Regenerate.
2455         * testsuite/common_test_1_v1.c: New source file.
2456         * testsuite/common_test_1_v2.c: New source file.
2457         * testsuite/copy_test_v1.cc: New source file.
2458
2459 2011-06-07  Cary Coutant  <ccoutant@google.com>
2460
2461         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
2462         update, allocate common from bss section's free list.
2463         * incremental-dump.cc (dump_incremental_inputs): Print flag for
2464         linker-defined symbols.
2465         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2466         Skip GOT and PLT entries that are no longer referenced.
2467         (Output_section_incremental_inputs::write_info_blocks): Mark
2468         linker-defined symbols.
2469         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
2470         * output.cc (Output_section::allocate): New function.
2471         * output.h (Output_section::allocate): New function.
2472         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
2473         linker-defined symbols.
2474         (Symbol::override_base_with_special): Copy is_predefined_ flag.
2475         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
2476         (Symbol::init_base_output_data): Likewise.
2477         (Symbol::init_base_output_segment): Likewise.
2478         (Symbol::init_base_constant): Likewise.
2479         (Sized_symbol::init_output_data): Likewise.
2480         (Sized_symbol::init_output_segment): Likewise.
2481         (Sized_symbol::init_constant): Likewise.
2482         (Symbol_table::do_define_in_output_data): Likewise.
2483         (Symbol_table::do_define_in_output_segment): Likewise.
2484         (Symbol_table::do_define_as_constant): Likewise.
2485         * symtab.h (Symbol::is_predefined): New function.
2486         (Symbol::init_base_output_data): Add is_predefined parameter.
2487         (Symbol::init_base_output_segment): Likewise.
2488         (Symbol::init_base_constant): Likewise.
2489         (Symbol::is_predefined_): New data member.
2490         (Sized_symbol::init_output_data): Add is_predefined parameter.
2491         (Sized_symbol::init_output_segment): Likewise.
2492         (Sized_symbol::init_constant): Likewise.
2493         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
2494
2495 2011-06-07  Cary Coutant  <ccoutant@google.com>
2496
2497         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
2498         instead of emit_copy_reloc.
2499         (Copy_relocs::emit_copy_reloc): Refactor.
2500         (Copy_relocs::make_copy_reloc): New function.
2501         (Copy_relocs::add_copy_reloc): Remove.
2502         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
2503         section.
2504         (Copy_relocs::make_copy_reloc): New function.
2505         (Copy_relocs::add_copy_reloc): Remove.
2506         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
2507         unchanged input files.
2508         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
2509         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
2510         Reserve BSS space for COPY relocations.
2511         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2512         (Output_section_incremental_inputs::write_info_blocks): Record
2513         whether a symbol is copied from a shared object.
2514         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
2515         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
2516         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
2517         (Incremental_input_entry_reader::get_output_symbol_index): Add
2518         is_copy parameter.
2519         (Incremental_binary::emit_copy_relocs): New function.
2520         (Incremental_binary::do_emit_copy_relocs): New function.
2521         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2522         new data member.
2523         (Sized_incremental_binary::add_copy_reloc): New function.
2524         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2525         (Sized_incremental_binary::Copy_reloc): New struct.
2526         (Sized_incremental_binary::Copy_relocs): New typedef.
2527         (Sized_incremental_binary::copy_relocs_): New data member.
2528         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
2529         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
2530         * target.h (Sized_target::emit_copy_reloc): New function.
2531         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
2532
2533 2011-06-02  Cary Coutant  <ccoutant@google.com>
2534
2535         PR gold/12163
2536         * gold/archive.cc (Archive::Archive): Initialize new data member.
2537         (Archive::include_all_members): Return if archive has already been
2538         included.
2539         * gold/archive.h (Archive::include_all_members_): New data member.
2540
2541 2011-06-02  Nick Clifton  <nickc@redhat.com>
2542
2543         * dynobj.h: Fix spelling mistake in comment.
2544         * output.cc: Likewise.
2545
2546 2011-05-31  Doug Kwan  <dougkwan@google.com>
2547             Asier Llano
2548
2549         PR gold/12826
2550         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
2551         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
2552         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
2553         redundant arm_exidx_test.so.
2554         * testsuite/Makefile.in: Regenerate.
2555         (check_SCRIPTS): Add pr12826.sh
2556         (check_DATA): Add pr12826.stdout
2557         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
2558         * testsuite/pr12826.sh: New file.
2559         * testsuite/pr12826_1.s: Ditto.
2560         * testsuite/pr12826_1.s: Ditto.
2561
2562 2011-05-30  Ian Lance Taylor  <iant@google.com>
2563
2564         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
2565         sections.
2566
2567 2011-05-29  Ian Lance Taylor  <iant@google.com>
2568
2569         PR gold/12804
2570         * testsuite/Makefile.am: Use different file name for two_file_test
2571         temporary file for each incremental test.
2572         * testsuite/Makefile.in: Rebuild.
2573
2574 2011-05-29  Ian Lance Taylor  <iant@google.com>
2575
2576         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
2577         binary input file is empty.
2578
2579 2011-05-27  Ian Lance Taylor  <iant@google.com>
2580
2581         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
2582         (ver_test_9.so): Likewise.
2583         * testsuite/Makefile.in: Rebuild.
2584
2585 2011-05-26 Cary Coutant  <ccoutant@google.com>
2586
2587         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
2588         * incremental.cc (Incremental_inputs::report_input_section): Fix
2589         comment, indentation.
2590         (Incremental_inputs::report_comdat_group): New function.
2591         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2592         of data for incremental input file entry.
2593         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
2594         group count, COMDAT group signatures.
2595         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
2596         an unchanged input file.
2597         * incremental.h (Incremental_object_entry::Incremental_object_entry):
2598         Initialize new data member.
2599         (Incremental_object_entry::add_comdat_group): New function.
2600         (Incremental_object_entry::get_comdat_group_count): New function.
2601         (Incremental_object_entry::get_comdat_signature_key): New function.
2602         (Incremental_object_entry::groups_): New data member.
2603         (Incremental_inputs::report_comdat_group): New function.
2604         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
2605         data for incremental input file entry.
2606         (Incremental_input_entry_reader::get_comdat_group_count): New function.
2607         (Incremental_input_entry_reader::get_input_section): Adjust size of
2608         data for incremental input file entry.
2609         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
2610         (Incremental_input_entry_reader::get_comdat_group_signature): New
2611         function.
2612         * object.cc (Sized_relobj::include_section_group): Report kept
2613         COMDAT groups for incremental links.
2614
2615 2011-05-24  David Meyer  <pdox@google.com>
2616
2617         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
2618         with name parameter.  Add found_name parameter.
2619         * fileread.cc (Input_file::find_file): Adjust code accordingly.
2620         * dirsearch.h (class Dirsearch): Update declaration.
2621
2622 2011-05-24  Ian Lance Taylor  <iant@google.com>
2623
2624         * archive.cc (Library_base::should_include_member): Pull in object
2625         from archive if it defines the entry symbol.
2626         * parameters.cc (Parameters::entry): New function.
2627         * parameters.h (class Parameters): Declare entry.
2628         * output.h (class Output_file_header): Remove entry_ field.
2629         * output.cc (Output_file_header::Output_file_header): Remove entry
2630         parameter.  Change all callers.
2631         (Output_file_header::entry): Use parameters->entry.
2632         * gold.cc (queue_middle_tasks): Likewise.
2633         * plugin.cc (Plugin_hook::run): Likewise.
2634
2635 2011-05-24 Cary Coutant  <ccoutant@google.com>
2636
2637         * gold.cc (queue_initial_tasks): Pass incremental base filename
2638         to Output_file::open_base_file; don't print error message.
2639         * incremental-dump.cc (main): Adjust call to
2640         Output_file::open_for_modification.
2641         * incremental-dump.cc (main): Likewise.
2642         * incremental.cc (Incremental_inputs::report_command_line):
2643         Ignore --incremental-base option when comparing command lines.
2644         Ignore parameter when given as separate argument.
2645         * options.h (class General_options): Add --incremental-base.
2646         * output.cc (Output_file::Output_file):
2647         (Output_file::open_base_file): Add base_name and writable parameters;
2648         read base file into new file; print error message here.
2649         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2650         callers.
2651         * output.h (Output_file::open_for_modification): Rename to...
2652         (Output_file::open_base_file): ...this; add base_name and
2653         writable parameters; adjust all callers.
2654         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2655         callers.
2656         * testsuite/Makefile.am (incremental_test_4): Test
2657         --incremental-base.
2658         * testsuite/Makefile.in: Regenerate.
2659
2660 2011-05-24 Cary Coutant  <ccoutant@google.com>
2661
2662         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
2663         incremental_test_4.
2664         * testsuite/Makefile.in: Regenerate.
2665         * testsuite/two_file_test_1_v1.cc: New test source file.
2666         * testsuite/two_file_test_1b_v1.cc: New test source file.
2667         * testsuite/two_file_test_2_v1.cc: New test source file.
2668
2669 2011-05-24 Cary Coutant  <ccoutant@google.com>
2670
2671         * dynobj.h (Dynobj::do_dynobj): New function.
2672         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
2673         flag and soname for shared objects.
2674         * incremental.cc (Incremental_inputs::report_object): Make
2675         either Incremental_object_entry or Incremental_dynobj_entry; add
2676         soname to string table.
2677         (Incremental_inputs::report_input_section): Add assertion.
2678         (Output_section_incremental_inputs::set_final_data_size): Adjust
2679         type of input file entry for shared libraries; adjust size of
2680         shared library info entry.
2681         (Output_section_incremental_inputs::write_input_files): Write
2682         as_needed flag for shared libraries.
2683         (Output_section_incremental_inputs::write_info_blocks): Adjust type
2684         of input file entry for shared libraries; write soname.
2685         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
2686         soname from incremental info.
2687         * incremental.h (enum Incremental_input_flags): Add
2688         INCREMENTAL_INPUT_AS_NEEDED.
2689         (Incremental_input_entry::Incremental_input_entry): Initialize new
2690         data member.
2691         (Incremental_input_entry::set_as_needed): New function.
2692         (Incremental_input_entry::as_needed): New function.
2693         (Incremental_input_entry::do_dynobj_entry): New function.
2694         (Incremental_input_entry::as_needed_): New data member.
2695         (Incremental_object_entry::Incremental_object_entry): Don't check
2696         for shared library.
2697         (Incremental_object_entry::do_type): Likewise.
2698         (class Incremental_dynobj_entry): New class.
2699         (Incremental_input_entry_reader::as_needed): New function.
2700         (Incremental_input_entry_reader::get_soname): New function.
2701         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
2702         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
2703         size of shared library info entry.
2704         * layout.cc (Layout::finish_dynamic_section): Don't test for
2705         incremental link when adding DT_NEEDED entries.
2706         * object.h (Object::Object): Initialize new data member.
2707         (Object::dynobj): New function.
2708         (Object::set_as_needed): New function.
2709         (Object::as_needed): New function.
2710         (Object::do_dynobj): New function.
2711         (Object::as_needed_): New data member.
2712
2713 2011-05-24 Cary Coutant  <ccoutant@google.com>
2714
2715         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2716         info; adjust display of GOT entries.
2717         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2718         vector of input objects; remove file_status_.
2719         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2720         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2721         got_plt reader; call target hooks to reserve GOT entries.
2722         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2723         of input file info header and GOT info entry.
2724         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2725         relocation info.
2726         (Got_plt_view_info::got_descriptor): Remove.
2727         (Got_plt_view_info::sym_index): New data member.
2728         (Got_plt_view_info::input_index): New data member.
2729         (Local_got_offset_visitor::visit): Write input file index.
2730         (Global_got_offset_visitor::visit): Write 0 for input file index.
2731         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2732         with sym_index and input_index.
2733         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2734         incremental info GOT entry; replace got_descriptor with input_index.
2735         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2736         map from input file index to object.
2737         (Sized_relobj_incr::do_layout): Replace direct data member reference
2738         with accessor function.
2739         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2740         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2741         Adjust size of input file info header.
2742         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2743         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2744         (Incremental_input_entry_reader::get_input_section): Adjust size of
2745         input file info header.
2746         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2747         of incremental info GOT entry.
2748         (Incremental_got_plt_reader::get_got_desc): Remove.
2749         (Incremental_got_plt_reader::get_got_symndx): New function.
2750         (Incremental_got_plt_reader::get_got_input_index): New function.
2751         (Sized_incremental_binary::Sized_incremental_binary): Remove
2752         file_status_; add input_objects_.
2753         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2754         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2755         (Sized_incremental_binary::file_is_unchanged): Remove.
2756         (Sized_incremental_binary::set_input_object): New function.
2757         (Sized_incremental_binary::input_object): New function.
2758         (Sized_incremental_binary::file_status_): Remove.
2759         (Sized_incremental_binary::input_objects_): New data member.
2760         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2761         references.
2762         (Sized_relobj_incr::invalid_address): Move to base class.
2763         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2764         class.
2765         (Sized_relobj_incr::do_output_section_offset): Likewise.
2766         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2767         (Sized_relobj_incr::section_offsets_): Likewise.
2768         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2769         function.
2770         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2771         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2772         with accessor function.
2773         (Sized_relobj_file::do_layout): Likewise.
2774         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2775         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2776         (Sized_relobj_file::compute_final_local_value): Replace refs to
2777         section_offsets_ with accessor function.
2778         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2779         * object.h (Relobj::Relobj): Initialize new data members.
2780         (Relobj::add_dyn_reloc): New function.
2781         (Relobj::first_dyn_reloc): New function.
2782         (Relobj::dyn_reloc_count): New function.
2783         (Relobj::first_dyn_reloc_): New data member.
2784         (Relobj::dyn_reloc_count_): New data member.
2785         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2786         references.
2787         (Sized_relobj::Address): New typedef.
2788         (Sized_relobj::invalid_address): Move here from child class.
2789         (Sized_relobj::Sized_relobj): Initialize new data members.
2790         (Sized_relobj::sized_relobj): New function.
2791         (Sized_relobj::is_output_section_offset_invalid): Move here from
2792         child class.
2793         (Sized_relobj::get_output_section_offset): Likewise.
2794         (Sized_relobj::local_has_got_offset): Likewise.
2795         (Sized_relobj::local_got_offset): Likewise.
2796         (Sized_relobj::set_local_got_offset): Likewise.
2797         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2798         (Sized_relobj::clear_got_offsets): New function.
2799         (Sized_relobj::section_offsets): Move here from child class.
2800         (Sized_relobj::do_output_section_offset): Likewise.
2801         (Sized_relobj::do_set_section_offset): Likewise.
2802         (Sized_relobj::Local_got_offsets): Likewise.
2803         (Sized_relobj::local_got_offsets_): Likewise.
2804         (Sized_relobj::section_offsets_): Likewise.
2805         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2806         references.
2807         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2808         class.
2809         (Sized_relobj_file::sized_relobj): New function
2810         (Sized_relobj_file::local_has_got_offset): Move to base class.
2811         (Sized_relobj_file::local_got_offset): Likewise.
2812         (Sized_relobj_file::set_local_got_offset): Likewise.
2813         (Sized_relobj_file::get_output_section_offset): Likewise.
2814         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2815         (Sized_relobj_file::do_output_section_offset): Likewise.
2816         (Sized_relobj_file::do_set_section_offset): Likewise.
2817         (Sized_relobj_file::Local_got_offsets): Likewise.
2818         (Sized_relobj_file::local_got_offsets_): Likewise.
2819         (Sized_relobj_file::section_offsets_): Likewise.
2820         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2821         (all constructors).
2822         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2823         (Output_reloc::get_symbol_index): Likewise.
2824         (Output_reloc::local_section_offset): Likewise.
2825         (Output_reloc::get_address): Likewise.
2826         (Output_reloc::symbol_value): Likewise.
2827         (Output_data_got::reserve_slot): Move to class definition.
2828         (Output_data_got::reserve_local): New function.
2829         (Output_data_got::reserve_slot_for_global): Remove.
2830         (Output_data_got::reserve_global): New function.
2831         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2832         (all constructors, two instantiations).
2833         (Output_reloc::get_relobj): New function (two instantiations).
2834         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2835         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2836         (Output_data_reloc::add_global): Adjust type of relobj.
2837         (Output_data_reloc::add_global_relative): Likewise.
2838         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2839         (Output_data_reloc::add_local): Likewise.
2840         (Output_data_reloc::add_local_relative): Likewise.
2841         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2842         (Output_data_reloc::add_local_section): Likewise.
2843         (Output_data_reloc::add_output_section): Likewise.
2844         (Output_data_reloc::add_absolute): Likewise.
2845         (Output_data_reloc::add_target_specific): Likewise.
2846         (Output_data_got::reserve_slot): Move definition here.
2847         (Output_data_got::reserve_local): New function.
2848         (Output_data_got::reserve_global): New function.
2849         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2850         section_offsets_ with accessor function.
2851         (Sized_relobj_file::write_sections): Likewise.
2852         (Sized_relobj_file::do_relocate_sections): Likewise.
2853         * target.h (Sized_target::reserve_local_got_entry): New function.
2854         (Sized_target::reserve_global_got_entry): New function.
2855         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2856         (Target_x86_64::reserve_global_got_entry): New function.
2857         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2858
2859 2011-05-23 Cary Coutant  <ccoutant@google.com>
2860
2861         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2862         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2863         bit when checking got_type.
2864         * incremental.cc (Sized_incremental_binary::setup_readers):
2865         Store symbol table and string table locations; initialize bit vector
2866         of file status flags.
2867         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2868         unchanged files.
2869         (Sized_incremental_binary::do_process_got_plt): New function.
2870         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2871         (Output_section_incremental_inputs::set_final_data_size): Record
2872         file index for each input file.
2873         (Output_section_incremental_inputs::write_got_plt): Store file index
2874         instead of input entry offset for each GOT entry.
2875         * incremental.h
2876         (Incremental_input_entry::Incremental_input_entry): Initialize new
2877         data member.
2878         (Incremental_input_entry::set_offset): Store file index.
2879         (Incremental_input_entry::get_file_index): New function.
2880         (Incremental_input_entry::file_index_): New data member.
2881         (Incremental_binary::process_got_plt): New function.
2882         (Incremental_binary::do_process_got_plt): New function.
2883         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2884         data members.
2885         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2886         (Sized_incremental_binary::set_file_is_unchanged): New function.
2887         (Sized_incremental_binary::file_is_unchanged): New function.
2888         (Sized_incremental_binary::do_process_got_plt): New function.
2889         (Sized_incremental_binary::file_status_): New data member.
2890         (Sized_incremental_binary::main_symtab_loc_): New data member.
2891         (Sized_incremental_binary::main_strtab_loc_): New data member.
2892         * output.cc (Output_data_got::Got_entry::write): Add case
2893         RESERVED_CODE.
2894         (Output_data_got::add_global): Call add_got_entry.
2895         (Output_data_got::add_global_plt): Likewise.
2896         (Output_data_got::add_global_with_rel): Likewise.
2897         (Output_data_got::add_global_with_rela): Likewise.
2898         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2899         (Output_data_got::add_global_pair_with_rela): Likewise.
2900         (Output_data_got::add_local): Call add_got_entry.
2901         (Output_data_got::add_local_plt): Likewise.
2902         (Output_data_got::add_local_with_rel): Likewise.
2903         (Output_data_got::add_local_with_rela): Likewise.
2904         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2905         (Output_data_got::add_local_pair_with_rela): Likewise.
2906         (Output_data_got::reserve_slot): New function.
2907         (Output_data_got::reserve_slot_for_global): New function.
2908         (Output_data_got::add_got_entry): New function.
2909         (Output_data_got::add_got_entry_pair): New function.
2910         (Output_section::add_output_section_data): Edit FIXME.
2911         * output.h
2912         (Output_section_data_build::Output_section_data_build): New
2913         constructor with size parameter.
2914         (Output_data_space::Output_data_space): Likewise.
2915         (Output_data_got::Output_data_got): Initialize new data member; new
2916         constructor with size parameter.
2917         (Output_data_got::add_constant): Call add_got_entry.
2918         (Output_data_got::reserve_slot): New function.
2919         (Output_data_got::reserve_slot_for_global): New function.
2920         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2921         (Output_data_got::add_got_entry): New function.
2922         (Output_data_got::add_got_entry_pair): New function.
2923         (Output_data_got::free_list_): New data member.
2924         * target.h (Sized_target::init_got_plt_for_update): New function.
2925         (Sized_target::register_global_plt_entry): New function.
2926         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2927         Initialize new data member; call init; add constructor with PLT count.
2928         (Output_data_plt_x86_64::init): New function.
2929         (Output_data_plt_x86_64::add_relocation): New function.
2930         (Output_data_plt_x86_64::reserve_slot): New function.
2931         (Output_data_plt_x86_64::free_list_): New data member.
2932         (Target_x86_64::init_got_plt_for_update): New function.
2933         (Target_x86_64::register_global_plt_entry): New function.
2934         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2935         incremental updates.
2936         (Output_data_plt_x86_64::add_relocation): New function.
2937         * testsuite/object_unittest.cc (Object_test): Set default options.
2938
2939 2011-05-16  Ian Lance Taylor  <iant@google.com>
2940
2941         * options.h (class General_options): Make -i a synonym for -r.
2942
2943 2011-05-16  Ian Lance Taylor  <iant@google.com>
2944
2945         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2946
2947 2011-05-10 Cary Coutant  <ccoutant@google.com>
2948
2949         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2950         strip_all (-s).
2951
2952 2011-05-06  Ian Lance Taylor  <iant@google.com>
2953
2954         * layout.cc (Layout::layout): If the output section flags change,
2955         update the ordering.
2956
2957 2011-04-25 Cary Coutant  <ccoutant@google.com>
2958
2959         * incremental-dump.cc (dump_incremental_inputs): Print local
2960         symbol info for each input file.
2961         * incremental.cc
2962         (Output_section_incremental_inputs::set_final_data_size): Add local
2963         symbol info to input file entries in incremental info.
2964         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2965         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2966         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2967         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2968         implementation.
2969         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2970         (Sized_incr_relobj::do_relocate): Write the local symbols.
2971         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2972         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2973         Adjust size of input file header.
2974         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2975         (Incremental_inputs_reader::get_local_symbol_count): New function.
2976         (Incremental_inputs_reader::get_input_section): Adjust size of input
2977         file header.
2978         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2979         (Sized_incr_relobj::This): New typedef.
2980         (Sized_incr_relobj::sym_size): New const data member.
2981         (Sized_incr_relobj::Local_symbol): New struct.
2982         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2983         (Sized_incr_relobj::do_local_symbol_offset): New function.
2984         (Sized_incr_relobj::local_symbol_count_): New data member.
2985         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2986         (Sized_incr_relobj::local_symbol_index_): New data member.
2987         (Sized_incr_relobj::local_symbol_offset_): New data member.
2988         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2989         (Sized_incr_relobj::local_symbols_): New data member.
2990         * object.h (Relobj::output_local_symbol_count): New function.
2991         (Relobj::local_symbol_offset): New function.
2992         (Relobj::do_output_local_symbol_count): New function.
2993         (Relobj::do_local_symbol_offset): New function.
2994         (Sized_relobj::do_output_local_symbol_count): New function.
2995         (Sized_relobj::do_local_symbol_offset): New function.
2996
2997 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2998
2999         * descriptors.cc (set_close_on_exec): New function.
3000         (Descriptors::open): Use set_close_on_exec.
3001         * output.cc (S_ISLNK): Define if not defined.
3002
3003 2011-04-22 Cary Coutant  <ccoutant@google.com>
3004
3005         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3006         global symbol map.
3007         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3008         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
3009         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
3010         relocations.
3011         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
3012         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
3013         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
3014         * incremental.h
3015         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
3016         function.
3017         (Incremental_binary::apply_incremental_relocs): New function.
3018         (Incremental_binary::do_apply_incremental_relocs): New function.
3019         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3020         data member.
3021         (Sized_incremental_binary::add_global_symbol): New function.
3022         (Sized_incremental_binary::global_symbol): New function.
3023         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3024         (Sized_incremental_binary::symbol_map_): New data member.
3025         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
3026         * target.h (Sized_target::apply_relocation): New function.
3027         * target-reloc.h (apply_relocation): New function.
3028         * x86_64.cc (Target_x86_64::apply_relocation): New function.
3029
3030 2011-04-22  Doug Kwan  <dougkwan@google.com>
3031
3032         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
3033         flag of a SHT_ARM_EXIDX section.
3034         * testsuite/Makefile.am (arm_exidx_test): New test rules.
3035         * testsuite/Makefile.in: Regenerate.
3036         * testsuite/arm_exidx_test.s: New file.
3037         * testsuite/arm_exidx_test.sh: Same.
3038
3039 2011-04-20 Cary Coutant  <ccoutant@google.com>
3040
3041         PR gold/12689
3042         * archive.h (Incremental_archive_entry::Archive_member):
3043         Initialize arg_serial_ (second constructor).
3044
3045 2011-04-17  Ian Lance Taylor  <iant@google.com>
3046
3047         * object.cc (Relocate_info::location): Simplify location string.
3048         * errors.cc (Errors::error_at_location): Don't print program
3049         name.
3050         (Errors::warning_at_location): Likewise.
3051         (Errors::undefined_symbol): Likewise.
3052         * testsuite/debug_msg.sh: Update accordingly.
3053
3054 2011-04-14 Cary Coutant  <ccoutant@google.com>
3055
3056         * gold/layout.cc (Layout::symtab_section_offset): New function.
3057         * gold/layout.h (Layout::symtab_section_offset): New function.
3058         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
3059
3060 2011-04-12  Ian Lance Taylor  <iant@google.com>
3061
3062         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
3063         with MREMAP_MAYMOVE.
3064         * output.h (class Output_file): Add map_is_allocated_ field.
3065         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
3066         not available, provide stubs.  If mremap is not available, #define
3067         it to gold_mremap.
3068         (MREMAP_MAYMOVE): Define if not defined.
3069         (Output_file::Output_file): Initialize map_is_allocated_.
3070         (Output_file::resize): Check map_is_allocated_.
3071         (Output_file::map_anonymous): If mmap fails, use malloc.
3072         (Output_file::unmap): Don't do anything for an anonymous map.
3073         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
3074         is not available, provide stubs.
3075         (File_read::View::~View): Use free rather than delete[].
3076         (File_read::make_view): Use malloc rather than new[].  If mmap
3077         fails, use malloc.
3078         (File_read::find_or_make_view): Use malloc rather than new[].
3079         * gold.h: Remove HAVE_REMAP code.
3080         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
3081         exists.  Rename mremap to gold_mremap.  If mmap is not available
3082         don't do anything.
3083         * configure, config.in: Rebuild.
3084
3085 2011-04-11  Ian Lance Taylor  <iant@google.com>
3086
3087         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
3088         initialize local variable v.
3089
3090 2011-04-11  Cary Coutant  <ccoutant@google.com>
3091
3092         * archive.cc (Archive::include_member): Adjust call to
3093         report_object.
3094         (Add_archive_symbols::run): Track argument serial numbers.
3095         (Lib_group::include_member): Likewise.
3096         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
3097         * archive.h (Incremental_archive_entry::Archive_member):
3098         Initialize arg_serial_.
3099         (Archive_member::arg_serial_): New data member.
3100         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
3101         (Sized_dynobj::do_add_symbols): Track symbols when doing an
3102         incremental link.
3103         (Sized_dynobj::do_for_all_local_got_entries): New function.
3104         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
3105         function.
3106         * fileread.cc (get_mtime): New function.
3107         * fileread.h (get_mtime): New function.
3108         * gold.cc (queue_initial_tasks): Check for incremental update.
3109         (process_incremental_input): New function.
3110         (queue_middle_tasks): Don't force valid target for incremental
3111         update.
3112         * incremental-dump.cc (find_input_containing_global): Adjust
3113         size of symbol info entry.
3114         (dump_incremental_inputs): Dump argument serial number and
3115         in_system_directory flag; bias shndx by 1; print symbol names
3116         when dumping per-file symbol lists; use new symbol info readers.
3117         * incremental.cc
3118         (Output_section_incremental_inputs:update_data_size): New function.
3119         (Sized_incremental_binary::setup_readers): Setup input readers
3120         for each input file; build maps for files added from libraries
3121         and scripts.
3122         (Sized_incremental_binary::check_input_args): New function.
3123         (Sized_incremental_binary::do_check_inputs): Build map of argument
3124         serial numbers to input arguments.
3125         (Sized_incremental_binary::do_file_has_changed): Rename
3126         do_file_is_unchanged to this; compare file modification times.
3127         (Sized_incremental_binary::do_init_layout): New function.
3128         (Sized_incremental_binary::do_reserve_layout): New function.
3129         (Sized_incremental_binary::do_get_input_reader): Remove.
3130         (Sized_incremental_binary::get_symtab_view): New function.
3131         (Incremental_checker::can_incrementally_link_output_file): Remove.
3132         (Incremental_inputs::report_command_line): Exclude --debug options.
3133         (Incremental_inputs::report_archive_begin): Add parameter; track
3134         argument serial numbers; don't put input file entry for archive
3135         before archive members.
3136         (Incremental_inputs::report_archive_end): Put input file entry
3137         for archive after archive members.
3138         (Incremental_inputs::report_object): Add parameter; track argument
3139         serial numbers and in_system_directory flag.
3140         (Incremental_inputs::report_script): Add parameter; track argument
3141         serial numbers.
3142         (Output_section_incremental_inputs::set_final_data_size): Adjust
3143         size of symbol info entry; check for forwarding symbols.
3144         (Output_section_incremental_inputs::write_input_files): Write
3145         in_system_directory flag and argument serial number.
3146         (Output_section_incremental_inputs::write_info_blocks): Map section
3147         indices between incremental info and original input file; store
3148         input section index for each symbol.
3149         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
3150         change operator() to visit().
3151         (class Global_got_offset_visitor): Likewise.
3152         (class Global_symbol_visitor_got_plt):
3153         (Output_section_incremental_inputs::write_got_plt): Use new visitor
3154         classes.
3155         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
3156         (Sized_incr_relobj::do_read_symbols): New function.
3157         (Sized_incr_relobj::do_layout): New function.
3158         (Sized_incr_relobj::do_layout_deferred_sections): New function.
3159         (Sized_incr_relobj::do_add_symbols): New function.
3160         (Sized_incr_relobj::do_should_include_member): New function.
3161         (Sized_incr_relobj::do_for_all_global_symbols): New function.
3162         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
3163         (Sized_incr_relobj::do_section_size): New function.
3164         (Sized_incr_relobj::do_section_name): New function.
3165         (Sized_incr_relobj::do_section_contents): New function.
3166         (Sized_incr_relobj::do_section_flags): New function.
3167         (Sized_incr_relobj::do_section_entsize): New function.
3168         (Sized_incr_relobj::do_section_address): New function.
3169         (Sized_incr_relobj::do_section_type): New function.
3170         (Sized_incr_relobj::do_section_link): New function.
3171         (Sized_incr_relobj::do_section_info): New function.
3172         (Sized_incr_relobj::do_section_addralign): New function.
3173         (Sized_incr_relobj::do_initialize_xindex): New function.
3174         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
3175         (Sized_incr_relobj::do_read_relocs): New function.
3176         (Sized_incr_relobj::do_gc_process_relocs): New function.
3177         (Sized_incr_relobj::do_scan_relocs): New function.
3178         (Sized_incr_relobj::do_count_local_symbols): New function.
3179         (Sized_incr_relobj::do_finalize_local_symbols): New function.
3180         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
3181         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
3182         (Sized_incr_relobj::do_relocate): New function.
3183         (Sized_incr_relobj::do_set_section_offset): New function.
3184         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
3185         (Sized_incr_dynobj::do_read_symbols): New function.
3186         (Sized_incr_dynobj::do_layout): New function.
3187         (Sized_incr_dynobj::do_add_symbols): New function.
3188         (Sized_incr_dynobj::do_should_include_member): New function.
3189         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
3190         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
3191         (Sized_incr_dynobj::do_section_size): New function.
3192         (Sized_incr_dynobj::do_section_name): New function.
3193         (Sized_incr_dynobj::do_section_contents): New function.
3194         (Sized_incr_dynobj::do_section_flags): New function.
3195         (Sized_incr_dynobj::do_section_entsize): New function.
3196         (Sized_incr_dynobj::do_section_address): New function.
3197         (Sized_incr_dynobj::do_section_type): New function.
3198         (Sized_incr_dynobj::do_section_link): New function.
3199         (Sized_incr_dynobj::do_section_info): New function.
3200         (Sized_incr_dynobj::do_section_addralign): New function.
3201         (Sized_incr_dynobj::do_initialize_xindex): New function.
3202         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
3203         (make_sized_incremental_object): New function.
3204         (Incremental_library::copy_unused_symbols): New function.
3205         (Incremental_library::do_for_all_unused_symbols): New function.
3206         * incremental.h (enum Incremental_input_flags): New type.
3207         (class Incremental_checker): Remove.
3208         (Incremental_input_entry::Incremental_input_entry): Add argument
3209         serial number.
3210         (Incremental_input_entry::arg_serial): New function.
3211         (Incremental_input_entry::set_is_in_system_directory): New function.
3212         (Incremental_input_entry::is_in_system_directory): New function.
3213         (Incremental_input_entry::arg_serial_): New data member.
3214         (Incremental_input_entry::is_in_system_directory_): New data member.
3215         (class Script_info): Move here from script.h.
3216         (Script_info::Script_info): Add filename parameter.
3217         (Script_info::filename): New function.
3218         (Script_info::filename_): New data member.
3219         (Incremental_script_entry::Incremental_script_entry): Add argument
3220         serial number.
3221         (Incremental_object_entry::Incremental_object_entry): Likewise.
3222         (Incremental_object_entry::add_input_section): Build list of input
3223         sections with map to original shndx.
3224         (Incremental_object_entry::get_input_section_index): New function.
3225         (Incremental_object_entry::shndx_): New data member.
3226         (Incremental_object_entry::name_key_): Rename; adjust all refs.
3227         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
3228         (Incremental_archive_entry::Incremental_archive_entry): Add argument
3229         serial number.
3230         (Incremental_inputs::report_archive_begin): Likewise.
3231         (Incremental_inputs::report_object): Likewise.
3232         (Incremental_inputs::report_script): Likewise.
3233         (class Incremental_global_symbol_reader): New class.
3234         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
3235         and store flags and input file type.
3236         (Incremental_input_entry_reader::arg_serial): New function.
3237         (Incremental_input_entry_reader::type): Extract type from flags.
3238         (Incremental_input_entry_reader::is_in_system_directory): New function.
3239         (Incremental_input_entry_reader::get_input_section_count): Call
3240         accessor function for type.
3241         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
3242         function for type; adjust size of global symbol entry.
3243         (Incremental_input_entry_reader::get_global_symbol_count): Call
3244         accessor function for type.
3245         (Incremental_input_entry_reader::get_object_count): Likewise.
3246         (Incremental_input_entry_reader::get_object_offset): Likewise.
3247         (Incremental_input_entry_reader::get_member_count): Likewise.
3248         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
3249         (Incremental_input_entry_reader::get_member_offset): Likewise.
3250         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
3251         (Incremental_input_entry_reader::Global_symbol_info): Remove.
3252         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
3253         (Incremental_input_entry_reader::get_global_symbol_reader): New
3254         function.
3255         (Incremental_input_entry_reader::get_output_symbol_index): New
3256         function.
3257         (Incremental_input_entry_reader::type_): Remove.
3258         (Incremental_input_entry_reader::flags_): New data member.
3259         (Incremental_inputs_reader::input_file_offset): New function.
3260         (Incremental_inputs_reader::input_file_index): New function.
3261         (Incremental_inputs_reader::input_file): Call input_file_offset.
3262         (Incremental_inputs_reader::input_file_at_offset): New function.
3263         (Incremental_relocs_reader::get_r_type): Reformat.
3264         (Incremental_relocs_reader::get_r_shndx): Reformat.
3265         (Incremental_relocs_reader::get_r_offset): Reformat.
3266         (Incremental_relocs_reader::data): New function.
3267         (Incremental_binary::Incremental_binary): Initialize new data members.
3268         (Incremental_binary::check_inputs): Add cmdline parameter.
3269         (Incremental_binary::file_is_unchanged): Remove.
3270         (Input_reader::arg_serial): New function.
3271         (Input_reader::get_unused_symbol_count): New function.
3272         (Input_reader::get_unused_symbol): New function.
3273         (Input_reader::do_arg_serial): New function.
3274         (Input_reader::do_get_unused_symbol_count): New function.
3275         (Input_reader::do_get_unused_symbol): New function.
3276         (Incremental_binary::input_file_count): New function.
3277         (Incremental_binary::get_input_reader): Change signature to use
3278         index instead of filename.
3279         (Incremental_binary::file_has_changed): New function.
3280         (Incremental_binary::get_input_argument): New function.
3281         (Incremental_binary::get_library): New function.
3282         (Incremental_binary::get_script_info): New function.
3283         (Incremental_binary::init_layout): New function.
3284         (Incremental_binary::reserve_layout): New function.
3285         (Incremental_binary::output_file): New function.
3286         (Incremental_binary::do_check_inputs): New function.
3287         (Incremental_binary::do_file_is_unchanged): Remove.
3288         (Incremental_binary::do_file_has_changed): New function.
3289         (Incremental_binary::do_init_layout): New function.
3290         (Incremental_binary::do_reserve_layout): New function.
3291         (Incremental_binary::do_input_file_count): New function.
3292         (Incremental_binary::do_get_input_reader): Change signature.
3293         (Incremental_binary::input_args_map_): New data member.
3294         (Incremental_binary::library_map_): New data member.
3295         (Incremental_binary::script_map_): New data member.
3296         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3297         new data members.
3298         (Sized_incremental_binary::output_section): New function.
3299         (Sized_incremental_binary::inputs_reader): Add const.
3300         (Sized_incremental_binary::symtab_reader): Add const.
3301         (Sized_incremental_binary::relocs_reader): Add const.
3302         (Sized_incremental_binary::got_plt_reader): Add const.
3303         (Sized_incremental_binary::get_symtab_view): New function.
3304         (Sized_incremental_binary::Inputs_reader): New typedef.
3305         (Sized_incremental_binary::Input_entry_reader): New typedef.
3306         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
3307         (Sized_incremental_binary::do_file_is_unchanged): Remove.
3308         (Sized_incremental_binary::do_file_has_changed): New function.
3309         (Sized_incremental_binary::do_init_layout): New function.
3310         (Sized_incremental_binary::do_reserve_layout): New function.
3311         (Sized_input_reader::Inputs_reader): Remove.
3312         (Sized_input_reader::Input_entry_reader): Remove.
3313         (Sized_input_reader::do_arg_serial): New function.
3314         (Sized_input_reader::do_get_unused_symbol_count): New function.
3315         (Sized_input_reader::do_get_unused_symbol): New function.
3316         (Sized_incremental_binary::do_input_file_count): New function.
3317         (Sized_incremental_binary::do_get_input_reader): Change signature;
3318         use index instead of filename.
3319         (Sized_incremental_binary::section_map_): New data member.
3320         (Sized_incremental_binary::input_entry_readers_): New data member.
3321         (class Sized_incr_relobj): New class.
3322         (class Sized_incr_dynobj): New class.
3323         (make_sized_incremental_object): New function.
3324         (class Incremental_library): New class.
3325         * layout.cc (Free_list::num_lists): New static data member.
3326         (Free_list::num_nodes): New static data member.
3327         (Free_list::num_removes): New static data member.
3328         (Free_list::num_remove_visits): New static data member.
3329         (Free_list::num_allocates): New static data member.
3330         (Free_list::num_allocate_visits): New static data member.
3331         (Free_list::init): New function.
3332         (Free_list::remove): New function.
3333         (Free_list::allocate): New function.
3334         (Free_list::dump): New function.
3335         (Free_list::print_stats): New function.
3336         (Layout_task_runner::run): Resize output file for incremental updates.
3337         (Layout::Layout): Initialize new data members.
3338         (Layout::set_incremental_base): New function.
3339         (Layout::init_fixed_output_section): New function.
3340         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3341         incremental updates.
3342         (Layout::create_gold_note): Do not create gold note section for
3343         incremental updates.
3344         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3345         for incremental updates.
3346         (Layout::set_section_offsets): For incremental updates, allocate space
3347         from free list.
3348         (Layout::create_symtab_sections): Layout with offsets relative to
3349         start of section; for incremental updates, allocate space from free
3350         list.
3351         (Layout::create_shdrs): For incremental updates, allocate space from
3352         free list.
3353         (Layout::finish_dynamic_section): For incremental updates, do not
3354         check --as-needed (fixed in subsequent patch).
3355         * layout.h (class Free_list): New class.
3356         (Layout::set_incremental_base): New function.
3357         (Layout::incremental_base): New function.
3358         (Layout::init_fixed_output_section): New function.
3359         (Layout::allocate): New function.
3360         (Layout::incremental_base_): New data member.
3361         (Layout::free_list_): New data member.
3362         * main.cc (main): Print Free_list statistics.
3363         * object.cc (Relobj::finalize_incremental_relocs): Add
3364         clear_counts parameter; clear counts only when clear_counts is set.
3365         (Sized_relobj::Sized_relobj): Initialize new base class.
3366         (Sized_relobj::do_layout): Don't report special sections.
3367         (Sized_relobj::do_for_all_local_got_entries): New function.
3368         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3369         symtab_off to all symbol table offsets.
3370         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3371         * object.h (class Got_offset_list): Move to top of file.
3372         (Object::Object): Allow case where input_file == NULL.
3373         (Object::~Object): Likewise.
3374         (Object::input_file): Assert that input_file != NULL.
3375         (Object::lock): Allow case where input_file == NULL.
3376         (Object::unlock): Likewise.
3377         (Object::is_locked): Likewise.
3378         (Object::token): Likewise.
3379         (Object::release): Likewise.
3380         (Object::is_incremental): New function.
3381         (Object::get_mtime): New function.
3382         (Object::for_all_local_got_entries): New function.
3383         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3384         (Object::set_is_in_system_directory): New function.
3385         (Object::is_in_system_directory): New function.
3386         (Object::do_is_incremental): New function.
3387         (Object::do_get_mtime): New function.
3388         (Object::do_for_all_local_got_entries): New function.
3389         (Object::is_in_system_directory_): New data member.
3390         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3391         (class Sized_relobj_base): New class.
3392         (class Sized_relobj): Derive from Sized_relobj_base.
3393         (class Sized_relobj::Symbols): Redeclare from base class.
3394         (class Sized_relobj::local_got_offset_list): Remove.
3395         (class Sized_relobj::Output_sections): Redeclare from base class.
3396         (class Sized_relobj::do_for_all_local_got_entries): New function.
3397         (class Sized_relobj::write_local_symbols): Add offset parameter.
3398         (class Sized_relobj::local_symbol_offset_): Update comment.
3399         (class Sized_relobj::local_dynsym_offset_): Update comment.
3400         * options.cc (Input_arguments::add_file): Remove const.
3401         * options.h (Input_file_argument::Input_file_argument):
3402         Initialize arg_serial_ (all constructors).
3403         (Input_file_argument::set_arg_serial): New function.
3404         (Input_file_argument::arg_serial): New function.
3405         (Input_file_argument::arg_serial_): New data member.
3406         (Input_arguments::Input_arguments): Initialize file_count_.
3407         (Input_arguments::add_file): Remove const.
3408         (Input_arguments::number_of_input_files): New function.
3409         (Input_arguments::file_count_): New data member.
3410         (Command_line::number_of_input_files): Call
3411         Input_arguments::number_of_input_files.
3412         * output.cc (Output_segment_headers::Output_segment_headers):
3413         Set current size.
3414         (Output_section::Input_section::current_data_size): New function.
3415         (Output_section::Output_section): Initialize new data members.
3416         (Output_section::add_input_section): Don't do merge sections for
3417         an incremental link; allocate space from free list for an
3418         incremental update.
3419         (Output_section::add_output_section_data): Allocate space from
3420         free list for an incremental update.
3421         (Output_section::update_data_size): New function.
3422         (Output_section::set_fixed_layout): New function.
3423         (Output_section::reserve): New function.
3424         (Output_segment::set_section_addresses): Remove const.
3425         (Output_segment::set_section_list_addresses): Remove const; allocate
3426         space from free list for an incremental update.
3427         (Output_segment::set_offset): Adjust size of RELRO segment for an
3428         incremental update.
3429         * output.h (Output_data::current_data_size): Move here from
3430         child classes.
3431         (Output_data::pre_finalize_data_size): New function.
3432         (Output_data::update_data_size): New function.
3433         (Output_section_headers::update_data_size): new function.
3434         (Output_section_data_build::current_data_size): Move to Output_data.
3435         (Output_data_strtab::update_data_size): New function.
3436         (Output_section::current_data_size): Move to Output_data.
3437         (Output_section::set_fixed_layout): New function.
3438         (Output_section::has_fixed_layout): New function.
3439         (Output_section::reserve): New function.
3440         (Output_section::update_data_size): New function.
3441         (Output_section::has_fixed_layout_): New data member.
3442         (Output_section::free_list_): New data member.
3443         (Output_segment::set_section_addresses): Remove const.
3444         (Output_segment::set_section_list_addresses): Remove const.
3445         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
3446         New function.
3447         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
3448         New function.
3449         * readsyms.cc (Read_symbols::do_read_symbols): Add library
3450         parameter when calling Add_symbols constructor; store argument
3451         serial number for members of a lib group.
3452         (Add_symbols::locks): Allow case where token == NULL.
3453         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
3454         (Read_member::~Read_member): New function.
3455         (Read_member::is_runnable): New function.
3456         (Read_member::locks): New function.
3457         (Read_member::run): New function.
3458         (Check_script::~Check_script): New function.
3459         (Check_script::is_runnable): New function.
3460         (Check_script::locks): New function.
3461         (Check_script::run): New function.
3462         (Check_library::~Check_library): New function.
3463         (Check_library::is_runnable): New function.
3464         (Check_library::locks): New function.
3465         (Check_library::run): New function.
3466         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
3467         (Add_symbols::library_): New data member.
3468         (class Read_member): New class.
3469         (class Check_script): New class.
3470         (class Check_library): New class.
3471         * reloc.cc (Read_relocs::is_runnable): Allow case where
3472         token == NULL.
3473         (Read_relocs::locks): Likewise.
3474         (Scan_relocs::locks): Likewise.
3475         (Relocate_task::locks): Likewise.
3476         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
3477         to clear counters.
3478         (Sized_relobj::incremental_relocs_scan): Fix comment.
3479         (Sized_relobj::do_relocate): Pass output file offset to
3480         write_local_symbols.
3481         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
3482         from class declaration.
3483         * script.cc (read_input_script): Allocate Script_info; pass
3484         argument serial number to report_script.
3485         * script.h (class Script_info): Move to incremental.h.
3486         * symtab.cc (Symbol_table::add_from_incrobj): New function.
3487         * symtab.h (Symbol_table::add_from_incrobj): New function.
3488         (Symbol_table::set_file_offset): New function.
3489
3490 2011-04-05  Cary Coutant  <ccoutant@google.com>
3491
3492         * incremental-dump.cc (dump_incremental_inputs): Change signature
3493         to take a Sized_incremental_binary; change caller.  Use readers
3494         in Sized_incremental_binary.
3495         * incremental.cc
3496         (Sized_incremental_binary::find_incremental_inputs_sections):
3497         Rename do_find_incremental_inputs_sections to this.
3498         (Sized_incremental_binary::setup_readers): New function.
3499         (Sized_incremental_binary::do_check_inputs): Check
3500         has_incremental_info_ flag; move setup code to setup_readers;
3501         use input readers.
3502         (Sized_incremental_binary::do_file_is_unchanged): New function.
3503         (Sized_incremental_binary::do_get_input_reader): New function.
3504         * incremental.h (class Incremental_binary): Move to end of file.
3505         (Incremental_binary::file_is_unchanged): New function.
3506         (Incremental_binary::do_file_is_unchanged): New function.
3507         (Incremental_binary::Input_reader): New class.
3508         (Incremental_binary::get_input_reader): New function.
3509         (class Sized_incremental_binary): Move to end of file.
3510         (Sized_incremental_binary::Sized_incremental_binary): Setup the
3511         input section reader classes.
3512         (Sized_incremental_binary::has_incremental_info): New function.
3513         (Sized_incremental_binary::inputs_reader): New function.
3514         (Sized_incremental_binary::symtab_reader): New function.
3515         (Sized_incremental_binary::relocs_reader): New function.
3516         (Sized_incremental_binary::got_plt_reader): New function.
3517         (Sized_incremental_binary::do_file_is_unchanged): New function.
3518         (Sized_incremental_binary::Sized_input_reader): New class.
3519         (Sized_incremental_binary::get_input_reader): New function.
3520         (Sized_incremental_binary::find_incremental_inputs_sections):
3521         Rename do_find_incremental_inputs_sections to this.
3522         (Sized_incremental_binary::setup_readers): New function.
3523         (Sized_incremental_binary::has_incremental_info_): New data member.
3524         (Sized_incremental_binary::inputs_reader_): New data member.
3525         (Sized_incremental_binary::symtab_reader_): New data member.
3526         (Sized_incremental_binary::relocs_reader_): New data member.
3527         (Sized_incremental_binary::got_plt_reader_): New data member.
3528         (Sized_incremental_binary::current_input_file_): New data member.
3529
3530 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
3531
3532         PR gold/12640
3533         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
3534         violation.
3535
3536 2011-03-30  Cary Coutant  <ccoutant@google.com>
3537
3538         * archive.cc (Archive::include_member): Adjust call to report_object.
3539         (Add_archive_symbols::run): Add script_info to call to
3540         report_archive_begin.
3541         (Lib_group::include_member): Adjust call to report_object.
3542         (Add_lib_group_symbols::run): Adjust call to report_object.
3543         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
3544         blocks.  Add object count for script input files.
3545         * incremental.cc (Incremental_inputs::report_archive_begin): Add
3546         script_info parameter; change all callers.
3547         (Incremental_inputs::report_object): Add script_info parameter;
3548         change all callers.
3549         (Incremental_inputs::report_script): Store backpointer to
3550         incremental info entry.
3551         (Output_section_incremental_inputs::set_final_data_size): Record
3552         additional information for scripts.
3553         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3554         * incremental.h (Incremental_script_entry::add_object): New function.
3555         (Incremental_script_entry::get_object_count): New function.
3556         (Incremental_script_entry::get_object): New function.
3557         (Incremental_script_entry::objects_): New data member; adjust
3558         constructor.
3559         (Incremental_inputs::report_archive_begin): Add script_info parameter.
3560         (Incremental_inputs::report_object): Add script_info parameter.
3561         (Incremental_inputs_reader::get_object_count): New function.
3562         (Incremental_inputs_reader::get_object_offset): New function.
3563         * options.cc (Input_arguments::add_file): Return reference to
3564         new input argument.
3565         * options.h (Input_argument::set_script_info): New function.
3566         (Input_argument::script_info): New function.
3567         (Input_argument::script_info_): New data member; adjust all
3568         constructors.
3569         (Input_file_group::add_file): Return reference to new input argument.
3570         (Input_file_lib::add_file): Likewise.
3571         (Input_arguments::add_file): Likewise.
3572         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
3573         * script.cc (Parser_closure::Parser_closure): Add script_info
3574         parameter; adjust all callers.
3575         (Parser_closure::script_info): New function.
3576         (Parser_closure::script_info_): New data member.
3577         (read_input_script): Report scripts earlier to incremental info.
3578         (script_add_file): Set script_info in Input_argument.
3579         (script_add_library): Likewise.
3580         * script.h (Script_options::Script_info): Rewrite class.
3581
3582 2011-03-29  Cary Coutant  <ccoutant@google.com>
3583
3584         * archive.cc (Library_base::should_include_member): Move
3585         method here from class Archive.
3586         (Archive::Archive): Initialize base class.
3587         (Archive::should_include_member): Move to base class.
3588         (Archive::do_for_all_unused_symbols): New function.
3589         (Add_archive_symbols::run): Remove redundant access to
3590         incremental_inputs.
3591         (Lib_group::Lib_group): Initialize base class.
3592         (Lib_group::do_filename): New function.
3593         (Lib_group::include_member): Pass pointer to Lib_group to
3594         report_object.
3595         (Lib_group::do_for_all_unused_symbols): New function.
3596         (Add_lib_group_symbols::run): Report archive information for
3597         incremental links.
3598         * archive.h (class Library_base): New base class.
3599         (class Archive): Derive from Library_base.
3600         (Archive::filename): Move to base class.
3601         (Archive::set_incremental_info): Likewise.
3602         (Archive::incremental_info): Likewise.
3603         (Archive::Should_include): Likewise.
3604         (Archive::should_include_member): Likewise.
3605         (Archive::Armap_entry): Remove.
3606         (Archive::Unused_symbol_iterator): Remove.
3607         (Archive::unused_symbols_begin): Remove.
3608         (Archive::unused_symbols_end): Remove.
3609         (Archive::do_filename): New function.
3610         (Archive::do_get_mtime): New function.
3611         (Archive::do_for_all_unused_symbols): New function.
3612         (Archive::task_): Move to base class.
3613         (Archive::incremental_info_): Likewise.
3614         (class Lib_group): Derive from Library_base.
3615         (Lib_group::do_filename): New function.
3616         (Lib_group::do_get_mtime): New function.
3617         (Lib_group::do_for_all_unused_symbols): New function.
3618         (Lib_group::task_): Move to base class.
3619         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
3620         function.
3621         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
3622         function.
3623         * incremental.cc (Incremental_inputs::report_archive_begin):
3624         Use Library_base; call library's get_mtime; add incremental inputs
3625         entry before members.
3626         (class Unused_symbol_visitor): New class.
3627         (Incremental_inputs::report_archive_end): Use Library_base; use
3628         visitor class to record unused symbols; don't add incremental inputs
3629         entry after members.
3630         (Incremental_inputs::report_object): Use Library_base.
3631         * incremental.h
3632         (Incremental_archive_entry::Incremental_archive_entry): Remove
3633         unused Archive parameter.
3634         (Incremental_inputs::report_archive_begin): Use Library_base.
3635         (Incremental_inputs::report_archive_end): Likewise.
3636         (Incremental_inputs::report_object): Likewise.
3637         * object.cc (Sized_relobj::do_for_all_global_symbols): New
3638         function.
3639         * object.h (Object::for_all_global_symbols): New function.
3640         (Object::do_for_all_global_symbols): New function.
3641         (Sized_relobj::do_for_all_global_symbols): New function.
3642         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
3643         function.
3644         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
3645         function.
3646
3647 2011-03-27  Ian Lance Taylor  <iant@google.com>
3648
3649         * archive.cc (Archive::interpret_header): Return -1 if something
3650         goes wrong.  Change callers accordingly.
3651
3652 2011-03-25  Cary Coutant  <ccoutant@google.com>
3653
3654         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
3655         * testsuite/Makefile.in: Regenerate.
3656
3657 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
3658
3659         * plugin.cc (get_view): New.
3660         (Plugin::load): Pass get_view to the plugin.
3661         (Plugin_manager::get_view): New.
3662
3663 2011-03-21  Ian Lance Taylor  <iant@google.com>
3664
3665         * testsuite/final_layout.sh: Rewrite to not use dc.
3666         * testsuite/relro_test.sh: Fail if dc is not present.
3667
3668 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
3669
3670         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
3671         Change == to -eq.
3672         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
3673         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
3674         Change == to -eq.
3675         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
3676         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
3677
3678 2011-03-14  Ian Lance Taylor  <iant@google.com>
3679
3680         * script-sections.cc (Sort_output_sections::script_compare):
3681         Rename from is_before, change return type.
3682         (Sort_output_sections::operator()): Adjust accordingly.
3683
3684 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
3685
3686         PR gold/12572
3687         * testsuite/odr_violation2.cc: Add comment to make all error line
3688         numbers double digits.
3689         * testsuite/debug_msg.sh: Adjust expected errors.
3690
3691 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
3692
3693         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
3694         but mark earlier ones as non-canonical
3695         (offset_to_iterator): Update search target and example
3696         (do_addr2line): Return extra lines in a vector*
3697         (format_file_lineno): Extract from do_addr2line
3698         (one_addr2line): Add vector* out-param
3699         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
3700         when a lineno entry appeared last for its instruction
3701         (Dwarf_line_info): Add vector* out-param
3702         * object.cc (Relocate_info): Pass NULL for the vector* out-param
3703         * symtab.cc (Odr_violation_compare): Include the lineno in the
3704         comparison again.
3705         (linenos_from_loc): New. Combine the canonical line for an
3706         address with its other lines.
3707         (True_if_intersect): New. Helper functor to make
3708         std::set_intersection a query.
3709         (detect_odr_violations): Compare sets of lines instead of just
3710         one line for each function. This became less deterministic, but
3711         has fewer false positives.
3712         * symtab.h: Declarations.
3713         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
3714         mix an optimized and non-optimized object in the same binary
3715         (odr_violation2.so): Same.
3716         * testsuite/Makefile.in: Regenerate from Makefile.am.
3717         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3718         * testsuite/debug_msg.sh: Update line numbers and add
3719         assertions.
3720         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3721         non-optimized context.
3722         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3723         isn't inlined, and use OdrDerived in an optimized context.
3724         * testsuite/odr_header1.h: Defines OdrDerived, where
3725         optimization will change the
3726         first-instruction-in-the-destructor's file and line number.
3727         * testsuite/odr_header2.h: Defines OdrBase.
3728
3729 2011-03-09  Ian Lance Taylor  <iant@google.com>
3730
3731         * fileread.cc (File_read::clear_views): Don't delete the whole
3732         file view.
3733
3734 2011-03-08  Ian Lance Taylor  <iant@google.com>
3735
3736         PR gold/12525
3737         * fileread.cc: #include <climits>.
3738         (GOLD_IOV_MAX): Define.
3739         (File_read::read_multiple): Limit number of entries by iov_max.
3740         * fileread.h (class File_read): Always set max_readv_entries to
3741         128.
3742
3743 2011-03-07  Ian Lance Taylor  <iant@google.com>
3744
3745         PR gold/12525
3746         * options.h (class General_options): Add -dy and -dn.
3747
3748 2011-03-02  Cary Coutant  <ccoutant@google.com>
3749
3750         * testsuite/script_test_9.t: Add TLS segment.
3751
3752 2011-03-02  Simon Baldwin  <simonb@google.com>
3753
3754         * configure.ac: Add check for gnu_indirect_function support in
3755         the toolchain building binutils.
3756         * configure: Rebuild.
3757
3758 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3759
3760         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3761         plugin only symbols.
3762         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3763         in plugin files as not needed in the symbol table.
3764
3765 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3766
3767         * output.cc (Output_section::add_input_section): Delay fill
3768         generation for section ordering.
3769
3770 2011-02-09  Ian Lance Taylor  <iant@google.com>
3771
3772         PR gold/12316
3773         * object.h (class Sized_relobj): Remove clear_local_symbols.
3774         * reloc.cc (Sized_relobj::do_relocate): Don't call
3775         clear_local_symbols.
3776
3777 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3778
3779         * plugin.cc (is_visible_from_outside): Return true for symbols
3780         in the -u option.
3781
3782 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3783
3784         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3785         filename.
3786
3787 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3788
3789         * icf.h (is_section_foldable_candidate): Change type of parameter
3790         to std::string.
3791         * icf.cc (Icf::find_identical_sections): Change type of local variable
3792         section_name to be std::string.
3793         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3794
3795 2011-01-25  Ian Lance Taylor  <iant@google.com>
3796
3797         * script.cc (script_add_extern): Rewrite to use
3798         add_symbol_reference.
3799
3800 2011-01-25  Doug Kwan  <dougkwan@google.com>
3801
3802         * icf.cc (get_section_contents): Always lock section's object.
3803
3804 2011-01-24  Ian Lance Taylor  <iant@google.com>
3805
3806         * options.h (class General_options): Accept
3807         --no-detect-odr-violations.
3808
3809 2011-01-24  Ian Lance Taylor  <iant@google.com>
3810
3811         * version.cc (version_string): Bump to 1.11.
3812
3813 2011-01-24  Ian Lance Taylor  <iant@google.com>
3814
3815         * plugin.cc (class Plugin_rescan): Define new class.
3816         (Plugin_manager::claim_file): Set any_claimed_.
3817         (Plugin_manager::save_archive): New function.
3818         (Plugin_manager::save_input_group): New function.
3819         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3820         necessary.
3821         (Plugin_manager::new_undefined_symbol): New function.
3822         (Plugin_manager::rescan): New function.
3823         (Plugin_manager::rescannable_defines): New function.
3824         (Plugin_manager::add_input_file): Set any_added_.
3825         * plugin.h (class Plugin_manager): define new fields rescannable_,
3826         undefined_symbols_, any_claimed_, and any_added_.  Declare
3827         Plugin_rescan as friend.  Declare new functions.
3828         (Plugin_manager::Rescannable): Define type.
3829         (Plugin_manager::Rescannable_list): Define type.
3830         (Plugin_manager::Undefined_symbol_list): Define type.
3831         (Plugin_manager::Plugin_manager): Initialize new fields.
3832         * archive.cc (Archive::defines_symbol): New function.
3833         (Add_archive_symbols::run): Pass archive to plugins if any.
3834         * archive.h (class Archive): Declare defines_symbol.
3835         * readsyms.cc (Input_group::~Input_group): New function.
3836         (Finish_group::run): Pass input_group to plugins if any.
3837         * readsyms.h (class Input_group): Declare destructor.
3838         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3839         any.
3840
3841 2011-01-10  Ian Lance Taylor  <iant@google.com>
3842
3843         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3844         section as relro.
3845         (Layout::set_segment_offsets): Reset increase_relro before calling
3846         set_section_addresses a second time.
3847
3848 2011-01-04  Cary Coutant  <ccoutant@google.com>
3849
3850         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3851         sections before NOBITS sections.
3852
3853 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3854
3855         * version.cc (print_version): Update copyright to 2011.
3856
3857 2010-12-23  Cary Coutant  <ccoutant@google.com>
3858
3859         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3860         of OS to this->add.  Add OD parameter to second form of the function.
3861
3862 2010-12-20  Ian Lance Taylor  <iant@google.com>
3863
3864         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3865         second of two consecutive entries with same offset.
3866
3867 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3868
3869         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3870         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3871         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3872         to avoid unneeded links against $(LDADD).
3873         * testsuite/Makefile.in: Regenerate.
3874
3875 2010-12-15  Ian Lance Taylor  <iant@google.com>
3876
3877         PR gold/12324
3878         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3879         for R_X86_64_32 and R_X86_64_PC32.
3880         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3881         ver_matching_def_pic.o.
3882         (ver_matching_def_pic.o): New target.
3883
3884 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3885
3886         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3887         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3888         Move definition before File_read::View member definitions.
3889         (File_read::View::~View): Initialize and hold lock before
3890         updating current_mapped_bytes.
3891
3892 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3893
3894         * dwarf_reader.cc: Remove outdated comment.
3895         * gold-threads.cc: Fix typo in error message.
3896         * archive.cc: Fix typos in comments.
3897         * archive.h: Likewise.
3898         * arm-reloc-property.cc: Likewise.
3899         * arm-reloc-property.h: Likewise.
3900         * arm-reloc.def: Likewise.
3901         * arm.cc: Likewise.
3902         * attributes.h: Likewise.
3903         * cref.cc: Likewise.
3904         * ehframe.cc: Likewise.
3905         * fileread.h: Likewise.
3906         * gold.h: Likewise.
3907         * i386.cc: Likewise.
3908         * icf.cc: Likewise.
3909         * incremental.h: Likewise.
3910         * int_encoding.cc: Likewise.
3911         * layout.h: Likewise.
3912         * main.cc: Likewise.
3913         * merge.h: Likewise.
3914         * object.cc: Likewise.
3915         * object.h: Likewise.
3916         * options.cc: Likewise.
3917         * readsyms.cc: Likewise.
3918         * reduced_debug_output.cc: Likewise.
3919         * reloc.cc: Likewise.
3920         * script-sections.cc: Likewise.
3921         * sparc.cc: Likewise.
3922         * symtab.h: Likewise.
3923         * target-reloc.h: Likewise.
3924         * target.cc: Likewise.
3925         * target.h: Likewise.
3926         * timer.cc: Likewise.
3927         * timer.h: Likewise.
3928         * x86_64.cc: Likewise.
3929
3930 2010-12-09  Cary Coutant  <ccoutant@google.com>
3931
3932         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3933         stack.
3934         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3935         parameter; change all callers.
3936         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3937         * options.h (warn_execstack): New option.
3938
3939 2010-12-07  Doug Kwan  <dougkwan@google.com>
3940
3941         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3942         like function call relocations.
3943
3944 2010-12-07  Ian Lance Taylor  <iant@google.com>
3945
3946         * archive.cc (Archive::get_elf_object_for_member): Permit
3947         punconfigured to be NULL.
3948         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3949         (Archive::include_member): Pass NULL to get_elf_object_for_member
3950         if we searched for the archive and this is the first included
3951         object.
3952
3953 2010-12-01  Ian Lance Taylor  <iant@google.com>
3954
3955         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3956         track_relocs_type_ field.
3957         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3958         Set track_relocs_type_.
3959         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3960         contents when using RELA relocs.
3961         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3962         reloc_map_.
3963         * reloc.cc (Track_relocs::next_addend): New function.
3964         * reloc.h (class Track_relocs): Declare next_addend.
3965
3966 2010-12-01  Ian Lance Taylor  <iant@google.com>
3967
3968         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3969         virtual destructor.
3970
3971 2010-12-01  Ian Lance Taylor  <iant@google.com>
3972
3973         * README: Update compilers known to work and fail.
3974
3975 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3976
3977         * configure.in: For --enable-gold, handle value `default' instead of
3978         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3979         not the default.
3980         * configure: Regenerate.
3981
3982 2010-11-18  Doug Kwan  <dougkwan@google.com>
3983
3984         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3985         and right_alignment to be zero.  Store result alignment only if it is
3986         greater than existing alignment.
3987
3988 2010-11-16  Cary Coutant  <ccoutant@google.com>
3989
3990         PR gold/12220
3991         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3992         Check for ".zdebug_line".
3993
3994 2010-11-16  Doug Kwan  <dougkwan@google.com>
3995             Cary Coutant  <ccoutant@google.com>
3996
3997         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3998         by reference; adjust all callers.
3999         * output.cc (Output_segment::set_section_addresses): Adjust references
4000         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
4001         list is empty.
4002         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
4003         end at page boundary.
4004
4005 2010-11-16  Cary Coutant  <ccoutant@google.com>
4006
4007         PR gold/12220
4008         * layout.cc (Layout::choose_output_section): Transform names of
4009         compressed sections even when using a script with a SECTIONS clause.
4010         (Layout::output_section_name): Remove code to transform
4011         compressed debug section names.
4012         * output.cc (Output_section::add_input_section): Use uncompressed
4013         section size when tracking input sections.
4014
4015 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
4016
4017         * symtab.h (Symbol::NON_PIC_REF): Remove.
4018         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
4019         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
4020         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
4021         (Symbol::use_plt_offset): Take a flags argument and pass it
4022         directly to needs_dynamic_reloc.  Restrict check for undefined
4023         weak symbols to function calls.
4024         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
4025         (Target_arm::Scan::global): Use it.
4026         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
4027         (Target_arm::Relocate::relocate): Likewise.
4028         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
4029         parameter with an r_type parameter.  Use get_reference_flags
4030         to get the flags.
4031         (Target_arm::Relocate::relocate): Update accordingly.
4032         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
4033         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
4034         (Target_i386::Scan::global): Likewise.
4035         (Target_i386::Relocate::relocate): Likewise.
4036         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
4037         parameter with an r_type parameter.  Use get_reference_flags
4038         to get the flags.
4039         (Target_i386::Relocate::relocate): Update accordingly.
4040         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
4041         (Target_powerpc::Scan::global): Use it.
4042         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
4043         (Target_powerpc::Relocate::relocate): Likewise.
4044         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
4045         (Target_sparc::Scan::global): Use it.
4046         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
4047         (Target_sparc::Relocate::relocate): Likewise.
4048         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
4049         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
4050         (Target_x86_64::Scan::global): Likewise.
4051         (Target_x86_64::Relocate::relocate): Likewise.
4052
4053 2010-11-08  Doug Kwan  <dougkwan@google.com>
4054             Cary Coutant  <ccoutant@google.com>
4055
4056         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
4057         (Arm_exidx_merge_section::section_contents_): New data member.
4058         (Arm_input_section::Arm_input_section): Initialize original_contents_.
4059         (Arm_input_section::~Arm_input_section): De-allocate memory.
4060         (Arm_input_section::original_contents_): New data member.
4061         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
4062         in parameters instead of calling Object::section_contents without
4063         locking.
4064         (Arm_output_section::group_section): New parameter TASK.  Pass it
4065         to callees that need locking objects.
4066         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
4067         to lock EXIDX input sections.  Fix a formatting issue.  Call
4068         Arm_exidx_merged_section::build_contents to create merged section
4069         contents.
4070         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
4071         to lock object of stub table owner.
4072         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
4073         TEXT_SIZE to initialize data member TEXT_SIZE_.
4074         (Arm_exidx_input_section::addralign): Fix typo in comment.
4075         (Arm_exidx_input_section::text_size): New method.
4076         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
4077         that require locking objects.  Lock objects before scanning for stubs
4078         and updating local symbols.
4079         (Arm_input_section<big_endian>::init): Copy contents of original
4080         input section.
4081         (Arm_input_section<big_endian>::do_write): Use saved contents of
4082         original input section instead of calling Object::section_contents
4083         without locking.
4084         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
4085         size without calling Object::section_size().
4086         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
4087         for size.  Allocate a buffer for merged EXIDX entries.
4088         (Arm_exidx_merged_section::build_contents): New method.
4089         (Arm_exidx_merged_section::do_write): Move merge section contents
4090         building code to Arm_exidx_merged_section::build_contetns.  Write
4091         out contetns in buffer instead of building it on the fly.
4092         (Arm_relobj::make_exidx_input_section): Also pass text section size
4093         to Arm_exidx_input_section constructor.
4094         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
4095         (Arm_dynobj::do_read_symbols): Fix memory leak.
4096         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
4097         * target.h: (class Task): Add forward declaration.
4098         (Target::relax): Add new parameter TASK and pass it to
4099         Target::do_relax().
4100         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
4101
4102 2010-11-05  Cary Coutant  <ccoutant@google.com>
4103
4104         PR gold/10708
4105         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
4106         object when reading from the file.
4107         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
4108         second layout pass.
4109         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
4110         when reading section contents.
4111         (get_section_contents): Likewise.
4112         (icf::find_identical_sections): Likewise.
4113         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
4114         object when reading from the file.
4115         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
4116         the object when doing deferred section layout.
4117
4118 2010-11-03  Nick Clifton  <nickc@redhat.com>
4119
4120         PR gold/12001
4121         * script.h (class Symbol_assignment: name): New member.  Returns
4122         the name of the symbol.
4123         * scrfipt.cc (Script_options::is_pending_assignment): New member.
4124         Returns true if the given symbol name is on the list of
4125         assignments wating to be processed.
4126         * archive.cc (should_incldue_member): If the symbol is undefined,
4127         check to see if it is on the list of symbols pending assignment.
4128
4129 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
4130
4131         * script-sections.cc (Script_sections::find_memory_region): Check
4132         for a NULL output section pointer.
4133
4134 2010-10-29  Doug Kwan  <dougkwan@google.com>
4135
4136         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
4137         Output_section::add_relaxed_input_section.
4138         * output.cc (Output_section::add_relaxed_input_section): Add new
4139         arguments LAYOUT and NAME.  Set section order index.
4140         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4141         Copy section order index.
4142         * output.h (Output_section::add_relaxed_input_section): Add new
4143         arguments LAYOUT and NAME.
4144
4145 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4146
4147         * testsuite/Makefile.am: Move gcctestdir/ld rule to
4148         NATIVE_OR_CROSS_LINKER.
4149         * testsuite/Makefile.in: Regenerate.
4150
4151 2010-10-20  Doug Kwan  <dougkwan@google.com>
4152
4153         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
4154         without SHF_LINK_ORDER flags.
4155         * layout.cc (Layout::choose_output_section): Do not filter
4156         SHF_LINK_ORDER flag in a relocatable link.
4157
4158 2010-10-17  Cary Coutant  <ccoutant@google.com>
4159
4160         * output.h (Output_segment::set_section_addresses): Change function
4161         signature.  Update all callers.
4162         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
4163         sections.
4164         (Output_segment::set_section_addresses): Align after last TLS
4165         section.  Add padding before last relro section instead of after.
4166
4167 2010-10-17  Doug Kwan  <dougkwan@google.com>
4168
4169         * gold/arm.cc (Target_arm::got_section): Use correct order and set
4170         GOT output section to be writable.
4171
4172 2010-10-14  Cary Coutant  <ccoutant@google.com>
4173
4174         * debug.h (DEBUG_INCREMENTAL): New flag.
4175         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
4176         * gold.cc (queue_initial_tasks): Check parameters for incremental link
4177         mode.
4178         * incremental.cc (report_command_line): Ignore all forms of
4179         --incremental.
4180         * layout.cc (Layout::Layout): Check parameters for incremental link
4181         mode.
4182         * options.cc (General_options::parse_incremental): New function.
4183         (General_options::parse_no_incremental): New function.
4184         (General_options::parse_incremental_full): New function.
4185         (General_options::parse_incremental_update): New function.
4186         (General_options::incremental_mode_): New data member.
4187         (General_options::finalize): Check incremental_mode_.
4188         * options.h (General_options): Update help text for --incremental.
4189         Add --no-incremental, --incremental-full, --incremental-update.
4190         (General_options::Incremental_mode): New enum type.
4191         (General_options::incremental_mode): New function.
4192         (General_options::incremental_mode_): New data member.
4193         * parameters.cc (Parameters::incremental_mode_): New data member.
4194         (Parameters::set_options): Set incremental_mode_.
4195         (Parameters::set_incremental_full): New function.
4196         (Parameters::incremental): New function.
4197         (Parameters::incremental_update): New function.
4198         (set_parameters_incremental_full): New function.
4199         * parameters.h (Parameters::set_incremental_full): New function.
4200         (Parameters::incremental): New function.
4201         (Parameters::incremental_update): New function.
4202         (Parameters::incremental_mode_): New data member.
4203         (set_parameters_incremental_full): New function.
4204         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
4205         incremental link mode.
4206         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
4207         (Sized_relobj::do_relocate_sections): Likewise.
4208         * testsuite/Makefile.am (incremental_test): Use --incremental-full
4209         option.
4210         * testsuite/Makefile.in: Regenerate.
4211         * testsuite/incremental_test.sh: Filter all forms of --incremental.
4212
4213 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4214
4215         * script-sections.h (class Script_sections): Make
4216         Sections_elements typedef public.
4217         * script-sections.cc (class Sort_output_sections): Add elements_
4218         field.  Add constructor which sets it; change all callers.
4219         (Sort_output_sections::is_before): New function.
4220         (Sort_output_sections::operator()): Call is_before.
4221         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
4222         conditional.
4223         * testsuite/script_test_10.sh: New test. Test script section
4224         order.
4225         * testsuite/script_test_10.t: Likewise.
4226         * testsuite/script_test_10.s: Likewise.
4227         * testsuite/Makefile.am: Wrap the cross linker tests and the
4228         common tests into NATIVE_OR_CROSS_LINKER.
4229         (check_SCRIPTS): Add script_test_10.sh.
4230         (check_DATA): Add script_test_10.stdout.
4231         (script_test_10.o, script_test_10): New targets.
4232         (script_test_10.stdout): New target.
4233         * configure, testsuite/Makefile.in: Regenerate.
4234
4235 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4236
4237         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
4238         error for the deprecated relocations.
4239         (Target_arm::Scan::global): Likewise.
4240         (Target_arm::Relocate::relocate): Likewise.
4241
4242 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
4243
4244         * fileread.cc (Input_file::find_file): Initialize *found_name
4245         and *namep when using the fallback search for case 4.
4246
4247 2010-10-11  Cary Coutant  <ccoutant@google.com>
4248
4249         * options.h (class General_options): Redefine -z lazy as an alias for
4250         the negation of -z now.
4251
4252 2010-10-11  Ian Lance Taylor  <iant@google.com>
4253
4254         * resolve.cc (symbol_to_bits): Report the value of the unsupported
4255         binding.
4256
4257 2010-10-06  Nick Clifton  <nickc@redhat.com>
4258
4259         * script-sections.cc(class Memory_region): Remove
4260         current_lma_offset_ field.  Rename current_vma_offset_ to
4261         current_offset_.  Add last_section_ field.
4262         (Memory_region::get_current_vma_address): Rename to
4263         get_current_address.
4264         (Memory_region::get_current_lma_address): Delete.
4265         (Memory_region::increment_vma_offset): Rename to
4266         increment_offset.
4267         (Memory_region::increment_lma_offset): Delete.
4268         (Memory_region::attributes_compatible): New method.  Returns
4269         true if the provided section is compatible with the region.
4270         (Memory_region::get_last_section): New method.  Returns the last
4271         section to use the region.
4272         (Memory_region::set_last_section): New method.  Stores the last
4273         section to use the region.
4274         (Script_sections::block_in_region): New method.  Returns true if
4275         a block of memory is contained within a region.
4276         (Script_sections::find_memory_region): New method.  Locates a
4277         memory region to be used to set a VMA or LMA address.
4278         (Output_section_definition::set_section_addresses): Add code to
4279         check for addresses set by memory regions.
4280         (Output_segment::set_section_addresses): Remove memory region
4281         walking code.
4282         (Script_sections::create_segment): Add a warning if a header
4283         segment is created outside of any region.
4284         * script-sections.h (class Script_sections): Add prototypes for
4285         find_memory_region and block_in_region methods.
4286         * testsuite/memory_test.s: Use .long instead of .word.
4287         * testsuite/memory_test.t: Add some more output sections.
4288         * testsuite/memory_test.sh: Update expected output.
4289
4290 2010-10-02  Doug Kwan  <dougkwan@google.com>
4291
4292         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
4293         defintion to symtab.h
4294         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
4295         declaration to defintion.
4296
4297 2010-10-01  Nick Clifton  <nickc@redhat.com>
4298
4299         * expression.cc (eval): Replace dummy argument with NULL.
4300         (eval_maybe_dot): Check for a NULL result section pointer.
4301         (Symbol_expression::value): Likewise.
4302         (Dot_expression::value): Likewise.
4303         (BINARY_EXPRESSION): Likewise.
4304         (Max_expression::value): Likewise.
4305         (Min_expression::value): Likewise.
4306         (Absolute_expression::value): Likewise.
4307         (Addr_expression::value_from_output_section): Likewise.
4308         (Loaddddr_expression::value_from_output_section): Likewise.
4309         (Segment_start_expression::value): Likewise.
4310         * script-sections.cc
4311         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
4312         argument with NULL.
4313         (Sections_elememt_dot_assignment::set_section_addresses):
4314         Likewise.
4315         (Output_data_expression::do_write_to_buffer): Likewise.
4316         (Output_section_definition::finalize_symbols): Likewise.
4317         (Output_section_definition::set_section_addresses): Likewise.
4318
4319 2010-09-30  Doug Kwan  <dougkwan@google.com>
4320
4321         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4322
4323 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4324
4325         * target.h (Target::can_icf_inline_merge_sections): New virtual
4326         function.
4327         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4328         virtual function.
4329         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4330         virtual function.
4331         * icf.cc (get_section_contents): Inline merge sections only when
4332         target allows it.
4333
4334 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4335
4336         * configure: Regenerate.
4337
4338 2010-09-17  Ian Lance Taylor  <iant@google.com>
4339
4340         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4341         * testsuite/Makefile.am (memory_test.o): New target.
4342         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4343         memory_test.t.
4344         * testsuite/Makefile.in: Rebuild.
4345
4346 2010-09-17  Doug Kwan  <dougkwan@google.com>
4347
4348         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4349         defintion if relocation uses GOT entries of the symbol.
4350         * testsuite/icf_safe_test.sh: Fix test.
4351         * testsuite/icf_safe_so_test.sh: Fix test.
4352
4353 2010-09-16  Cary Coutant  <ccoutant@google.com>
4354
4355         * script_sections.cc (class Memory_region): Remove "NULL" from
4356         vector initializations.
4357
4358 2010-09-15  Cary Coutant  <ccoutant@google.com>
4359
4360         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4361         Resolve forwarding symbols.
4362
4363 2010-09-15  Doug Kwan  <dougkwan@google.com>
4364
4365         * gold/testsuite/script_test_3.t: Add ARM special sections.
4366         * gold/testsuite/script_test_4.t: Same.
4367         * gold/testsuite/script_test_5.t: Same.
4368         * gold/testsuite/script_test_6.t: Same.
4369         * gold/testsuite/script_test_7.t: Same.
4370         * gold/testsuite/script_test_7.t: Same.
4371         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4372
4373 2010-09-14  Cary Coutant  <ccoutant@google.com>
4374
4375         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4376         (Target_x86_64::Relocate::relocate_tls): Replace check for
4377         saw_tls_block_reloc_ with test for executable section.
4378
4379 2010-09-12  Cary Coutant  <ccoutant@google.com>
4380
4381         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4382         position-independent executables to shared libraries need dynamic
4383         relocations.
4384         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4385         position-independent executables.
4386         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4387         * testsuite/Makefile.in: Regenerate.
4388
4389 2010-09-10  Nick Clifton  <nickc@redhat.com>
4390
4391         PR gold/11997
4392         * testsuite/memory_test.t: Discard any sections that are not
4393         needed.
4394
4395 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4396
4397         PR gold/11996
4398         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4399         "This::" to work around a bug in gcc 4.2.
4400
4401         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4402
4403 2010-09-09  Rafael Espindola  <espindola@google.com>
4404
4405         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4406         sections with different PF_X flags in the same segment.
4407         (Layout::find_first_load_seg): Search all segments to find the first
4408         one.
4409         * options.h (rosegment): New.
4410
4411 2010-09-08  Rafael Espindola  <espindola@google.com>
4412
4413         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4414
4415 2010-09-08  Doug Kwan  <dougkwan@google.com>
4416
4417         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4418         (Arm_relobj::do_relocate_sections): Add new parameter for output
4419         file to match the parent.
4420         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
4421         of local symbols instead of input values.  Update code to track
4422         changes in gold::relocate_section.
4423         * object.cc (Sized_relobj::compute_final_local_value): New methods.
4424         (Sized_relobj::compute_final_local_value_internal): New methods.
4425         (Sized_relobj::do_finalize_local_symbols): Move code from loop
4426         body into private version of Sized_relobj::compute_final_local_value.
4427         Call the inline method.
4428         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
4429         merged symbol value if there is one.
4430         (Symbol_value::has_output_value): New method defintiion.
4431         (Sized_relobj::Compute_final_local_value_status): New enum type.
4432         (Sized_relobj::compute_final_local_value): New methods.
4433         (Sized_relobj::compute_final_local_value_internal): New methods.
4434         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
4435         and arm_cortex_a8.sh.
4436         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
4437         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
4438         New tests.
4439         * Makefile.in: Regenerate.
4440         * testsuite/arm_bl_out_of_range.s: Update test.
4441         * testsuite/thumb_bl_out_of_range.s: Ditto.
4442         * testsuite/thumb_blx_out_of_range.s: Ditto.
4443         * testsuite/arm_branch_out_of_range.sh: New file.
4444         * testsuite/arm_cortex_a8.sh: Ditto.
4445         * testsuite/arm_cortex_a8_b.s: Ditto.
4446         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
4447         * testsuite/arm_cortex_a8_b_local.s: Ditto.
4448         * testsuite/arm_cortex_a8_bl.s: Ditto.
4449         * testsuite/arm_cortex_a8_blx.s: Ditto.
4450         * testsuite/arm_cortex_a8_local.s: Ditto.
4451         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
4452         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
4453
4454 2010-09-08  Rafael Espindola  <espindola@google.com>
4455
4456         * Makefile.am (memory_test.stdout): Run readelf with -W.
4457         * Makefile.in: Regenerate.
4458         * testsuite/memory_test.sh: Make the regexps accept both 32 and
4459         64 bit output.
4460
4461 2010-09-08  Rafael Espindola  <espindola@google.com>
4462
4463         * script-sections.cc (Script_sections::add_memory_region): Convert
4464         field precision to int.
4465         * script.cc (script_set_section_region, script_set_section_region):
4466         Convert field precision to int.
4467
4468 2010-09-08  Rafael Espindola  <espindola@google.com>
4469
4470         * arm.cc (do_finalize_sections): Create the __exidx_start and
4471         __exdix_end symbols even when the section is missing.
4472
4473 2010-09-08  Nick Clifton  <nickc@redhat.com>
4474
4475         * README: Remove claim that MEMORY is not supported.
4476         * expression.cc (script_exp_function_origin)
4477         (script_exp_function_length): Move from here to ...
4478         * script.cc: ... here.
4479         (script_set_section_region, script_add_memory)
4480         (script_parse_memory_attr, script_include_directive): New
4481         functions.
4482         * script-sections.cc
4483         (class Memory_region): New class.
4484         (class Output_section_definition): Add set_memory_region,
4485         set_section_vma, set_section_lma and get_section_name methods.
4486         (class Script_Sections): Add add_memory_region,
4487         find_memory_region, find_memory_region_origin,
4488         find_memory_region_length and set_memory_region methods.
4489         Have set_section_addresses method walk the list of set memory
4490         regions.
4491         Extend the print methos to display memory regions.
4492         * script-sections.h: Add prototypes for new methods.
4493         Add enum for MEMORY region attributes.
4494         * yyscript.y: Add support for parsing MEMORY regions.
4495         * script-c.h: Add prototypes for new functions.
4496         * testsuite/Makefile.am: Add test of MEMORY region functionality.
4497         * testsuite/Makefile.in: Regenerate.
4498         * testsuite/memory_test.sh: New script.
4499         * testsuite/memory_test.s: New assembler source file.
4500         * testsuite/memory_test.t: New linker script.
4501
4502 2010-08-27  Doug Kwan  <dougkwan@google.com>
4503
4504         * gold/resolve.cc (Symbol_table::should_override): Let a weak
4505         reference override an existing dynamic weak reference.
4506         * testsuite/Makefile.am: Add new test dyn_weak_ref.
4507         * testsuite/Makefile.in: Regenerate.
4508         * testsuite/dyn_weak_ref.sh: New file.
4509         * testsuite/dyn_weak_ref_1.c: Ditto.
4510         * testsuite/dyn_weak_ref_2.c: Ditto.
4511
4512 2010-08-27  Ian Lance Taylor  <iant@google.com>
4513
4514         * incremental.h (class Incremental_input_entry): Add virtual
4515         destructor.
4516
4517 2010-08-27  Ian Lance Taylor  <iant@google.com>
4518
4519         * testsuite/start_lib_test_3.c: Mark t3 as used.
4520
4521 2010-08-27  Nick Clifton  <nickc@redhat.com>
4522
4523         * options.cc (version_script): Fix small typo in previous
4524         whitespace tidyup.
4525
4526 2010-08-25  Nick Clifton  <nickc@redhat.com>
4527
4528         * archive.cc: Formatting fixes: Remove whitespace between
4529         typename and following asterisk.  Remove whitespace between
4530         function name and opening parenthesis.
4531         * archive.h: Likewise.
4532         * arm.cc: Likewise.
4533         * attributes.cc: Likewise.
4534         * attributes.h: Likewise.
4535         * common.cc: Likewise.
4536         * copy-relocs.cc: Likewise.
4537         * dirsearch.h: Likewise.
4538         * dynobj.cc: Likewise.
4539         * ehframe.cc: Likewise.
4540         * ehframe.h: Likewise.
4541         * expression.cc: Likewise.
4542         * fileread.cc: Likewise.
4543         * fileread.h: Likewise.
4544         * gc.h: Likewise.
4545         * gold-threads.cc: Likewise.
4546         * gold.cc: Likewise.
4547         * i386.cc: Likewise.
4548         * icf.h: Likewise.
4549         * incremental-dump.cc: Likewise.
4550         * incremental.cc: Likewise.
4551         * layout.cc: Likewise.
4552         * layout.h: Likewise.
4553         * main.cc: Likewise.
4554         * merge.cc: Likewise.
4555         * merge.h: Likewise.
4556         * object.cc: Likewise.
4557         * object.h: Likewise.
4558         * options.cc: Likewise.
4559         * options.h: Likewise.
4560         * output.cc: Likewise.
4561         * output.h: Likewise.
4562         * plugin.cc: Likewise.
4563         * plugin.h: Likewise.
4564         * powerpc.cc: Likewise.
4565         * reloc.cc: Likewise.
4566         * script-c.h: Likewise.
4567         * script-sections.cc: Likewise.
4568         * script.cc: Likewise.
4569         * stringpool.cc: Likewise.
4570         * symtab.cc: Likewise.
4571         * symtab.h: Likewise.
4572         * target.cc: Likewise.
4573         * timer.cc: Likewise.
4574         * timer.h: Likewise.
4575         * version.cc: Likewise.
4576         * x86_64.cc: Likewise.
4577
4578 2010-08-24  Nick Clifton  <nickc@redhat.com>
4579
4580         PR 11899
4581         * layout.cc (segment_precedes): Sort segments by their physical
4582         addresses, if they have been set.
4583
4584 2010-08-23  Cary Coutant  <ccoutant@google.com>
4585
4586         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
4587         symbols data.
4588         (Lib_group::include_member): Unlock object after deleting its
4589         symbols data.
4590         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
4591         the bug fixed here.
4592
4593 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
4594             Cary Coutant  <ccoutant@google.com>
4595
4596         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
4597         constructor, and set_blocker.
4598         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
4599         readsyms_blocker_.
4600         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
4601         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
4602         * testsuite/Makefile.am (start_lib_test): New test case.
4603         * testsuite/Makefile.in: Regenerate.
4604         * testsuite/start_lib_test_main.c: New file.
4605         * testsuite/start_lib_test_1.c: New file.
4606         * testsuite/start_lib_test_2.c: New file.
4607         * testsuite/start_lib_test_3.c: New file.
4608
4609 2010-08-19  Ian Lance Taylor  <iant@google.com>
4610
4611         * Makefile.in: Rebuild with automake 1.11.1.
4612         * aclocal.m4: Likewise.
4613         * testsuite/Makefile.in: Likewise.
4614
4615 2010-08-19  Ian Lance Taylor  <iant@google.com>
4616
4617         PR 10893
4618         * i386.cc (class Output_data_plt_i386): Update declarations.
4619         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
4620         local_ifuncs_ fields.
4621         (Target_i386::do_plt_section_for_global): New function.
4622         (Target_i386::do_plt_section_for_local): New function.
4623         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
4624         parameter; change all callers.  Initialize global_ifuncs_ and
4625         local_ifuncs_.  If doing a static link define __rel_iplt_start and
4626         __rel_iplt_end.
4627         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
4628         (Output_data_plt_i386::add_local_ifunc_entry): New function.
4629         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
4630         symbols.
4631         (Target_i386::make_plt_section): New function, broken out of
4632         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
4633         (Target_i386::make_plt_entry): Call make_plt_section.
4634         (Target_i386::make_local_ifunc_plt_entry): New function.
4635         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
4636         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
4637         R_386_IRELATIVE to switch.
4638         (Target_i386::Scan::global): Likewise.
4639         (Target_i386::Relocate::relocate): Likewise.
4640         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
4641         switch.
4642         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
4643         (Target_x86_64::do_plt_section_for_global): New function.
4644         (Target_x86_64::do_plt_section_for_local): New function.
4645         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
4646         parameter; change all callers.  If doing a static link define
4647         __rela_iplt_start and __rela_iplt_end.
4648         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
4649         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
4650         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
4651         to point to .plt.
4652         (Target_x86_64::make_local_ifunc_plt_entry): New function.
4653         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
4654         switch.
4655         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
4656         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
4657         R_X86_64_IRELATIVE to switch.
4658         (Target_x86_64::Scan::global): Likewise.
4659         (Target_x86_64::Relocate::relocate): Likewise.
4660         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
4661         switch.
4662         * target.h (class Target): Add plt_section_for_global and
4663         plt_section_for_local functions.  Add do_plt_section_for_global
4664         and do_plt_section_for_local virtual functions.
4665         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
4666         clarifying comments.
4667         (Symbol::use_plt_offset): Handle IFUNC symbol.
4668         * object.cc (Sized_relobj::Sized_relobj): Initialize
4669         local_plt_offsets_.
4670         (Sized_relobj::local_has_plt_offset): New function.
4671         (Sized_relobj::local_plt_offset): New function.
4672         (Sized_relobj::set_local_plt_offset): New function.
4673         (Sized_relobj::do_count): Handle IFUNC symbol.
4674         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
4675         a bit away from input_shndx_ field.  Add set_is_func_symbol and
4676         is_ifunc_symbol functions.
4677         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
4678         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
4679         local_plt_offsets_ field.
4680         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
4681         * output.h (class Output_section_data): Add non-const
4682         output_section function.
4683         (class Output_data_got): Update declarations.
4684         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
4685         Add use_plt_offset parameter to global and local constructors.
4686         Change all callers.  Change local_sym_index_ field to 31 bits.
4687         Change GSYM_CODE and CONSTANT_CODE accordingly.
4688         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
4689         doing a static link don't set sh_link field.
4690         (Output_data_got::Got_entry::write): Use PLT offset if
4691         appropriate.
4692         (Output_data_got::add_global_plt): New function.
4693         (Output_data_got::add_local_plt): New function.
4694         * target-reloc.h (relocate_section): Handle IFUNC symbol.
4695         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
4696         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
4697         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
4698         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
4699         IFUNC conditional.
4700         * testsuite/ifunc-sel.h: New file.
4701         * testsuite/ifuncmain1.c: New file.
4702         * testsuite/ifuncmain1vis.c: New file.
4703         * testsuite/ifuncmod1.c: New file.
4704         * testsuite/ifuncdep2.c: New file.
4705         * testsuite/ifuncmain2.c: New file.
4706         * testsuite/ifuncmain3.c: New file.
4707         * testsuite/ifuncmod3.c: New file.
4708         * testsuite/ifuncmain4.c: New file.
4709         * testsuite/ifuncmain5.c: New file.
4710         * testsuite/ifuncmod5.c: New file.
4711         * testsuite/ifuncmain6pie.c: New file.
4712         * testsuite/ifuncmod6.c: New file.
4713         * testsuite/ifuncmain7.c: New file.
4714         * configure, testsuite/Makefile.in: Rebuild.
4715
4716 2010-08-18  Ian Lance Taylor  <iant@google.com>
4717
4718         * incremental.cc
4719         (Output_section_incremental_inputs::write_input_files): Add cast
4720         to avoid signed/unsigned comparison warning.
4721         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4722
4723 2010-08-12  Cary Coutant  <ccoutant@google.com>
4724
4725         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4726
4727 2010-08-13  Ian Lance Taylor  <iant@google.com>
4728
4729         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4730
4731 2010-08-12  Cary Coutant  <ccoutant@google.com>
4732             Doug Kwan  <dougkwan@google.com>
4733
4734         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4735         defintion overrides non-weak undef, remember that the original undef
4736         is not weak.
4737         * symtab.cc (Symbol_table::sized_write_global): For undef without
4738         an original weak binding, set binding to global in output.
4739         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4740         * testsuite/Makefile.in: Regenerate.
4741         * testsuite/strong_ref_weak_def.sh: New file.
4742         * testsuite/strong_ref_weak_def_1.c: Ditto.
4743         * testsuite/strong_ref_weak_def_2.c: Ditto.
4744
4745 2010-08-12  Cary Coutant  <ccoutant@google.com>
4746
4747         * testsuite/incremental_test.sh: Rewrite.
4748         * testsuite/incremental_test_1.c: Rewrite.
4749         * testsuite/incremental_test_2.c: Rewrite.
4750
4751 2010-08-12  Cary Coutant  <ccoutant@google.com>
4752
4753         * arm.cc (Target_arm::got_size): Add const.
4754         (Target_arm::got_entry_count): New function.
4755         (Target_arm::plt_entry_count): New function.
4756         (Target_arm::first_plt_entry_offset): New function.
4757         (Target_arm::plt_entry_size): New function.
4758         (Output_data_plt_arm::entry_count): New function.
4759         (Output_data_plt_arm::first_plt_entry_offset): New function.
4760         (Output_data_plt_arm::get_plt_entry_size): New function.
4761         * i386.cc (Target_i386::got_size): Add const.
4762         (Target_i386::got_entry_count): New function.
4763         (Target_i386::plt_entry_count): New function.
4764         (Target_i386::first_plt_entry_offset): New function.
4765         (Target_i386::plt_entry_size): New function.
4766         (Output_data_plt_i386::entry_count): New function.
4767         (Output_data_plt_i386::first_plt_entry_offset): New function.
4768         (Output_data_plt_i386::get_plt_entry_size): New function.
4769         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4770         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4771         * incremental.cc: Include target.h.
4772         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4773         parameter.  Adjust all callers.  Find incremental_got_plt section.
4774         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4775         section.
4776         (Output_section_incremental_inputs::set_final_data_size): Calculate
4777         size of incremental_got_plt section.
4778         (Output_section_incremental_inputs::do_write): Write the
4779         incremental_got_plt section.
4780         (Got_plt_view_info): New struct.
4781         (Local_got_offset_visitor): New class.
4782         (Global_got_offset_visitor): New class.
4783         (Global_symbol_visitor_got_plt): New class.
4784         (Output_section_incremental_inputs::write_got_plt): New function.
4785         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4786         Add parameter.  Adjust all callers.
4787         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4788         (Incremental_inputs::got_plt_section): New function.
4789         (Incremental_inputs::got_plt_section_): New data member.
4790         (Incremental_got_plt_reader): New class.
4791         * layout.cc (Layout::create_incremental_info_sections): Add the
4792         incremental_got_plt section.
4793         * object.h (Got_offset_list::get_list): New function.
4794         (Got offset_list::for_all_got_offsets): New function.
4795         (Sized_relobj::local_got_offset_list): New function.
4796         * powerpc.cc (Target_powerpc::got_size): Add const.
4797         (Target_powerpc::got_entry_count): New function.
4798         (Target_powerpc::plt_entry_count): New function.
4799         (Target_powerpc::first_plt_entry_offset): New function.
4800         (Target_powerpc::plt_entry_size): New function.
4801         (Output_data_plt_powerpc::entry_count): New function.
4802         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4803         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4804         * sparc.cc (Target_sparc::got_size): Add const.
4805         (Target_sparc::got_entry_count): New function.
4806         (Target_sparc::plt_entry_count): New function.
4807         (Target_sparc::first_plt_entry_offset): New function.
4808         (Target_sparc::plt_entry_size): New function.
4809         (Output_data_plt_sparc::entry_count): New function.
4810         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4811         (Output_data_plt_sparc::get_plt_entry_size): New function.
4812         * symtab.h (Symbol::got_offset_list): New function.
4813         (Symbol_table::for_all_symbols): New function.
4814         * target.h (Sized_target::got_entry_count): New function.
4815         (Sized_target::plt_entry_count): New function.
4816         (Sized_target::plt_entry_size): New function.
4817         * x86_64.cc (Target_x86_64::got_size): Add const.
4818         (Target_x86_64::got_entry_count): New function.
4819         (Target_x86_64::plt_entry_count): New function.
4820         (Target_x86_64::first_plt_entry_offset): New function.
4821         (Target_x86_64::plt_entry_size): New function.
4822         (Output_data_plt_x86_64::entry_count): New function.
4823         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4824         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4825
4826 2010-08-12  Cary Coutant  <ccoutant@google.com>
4827
4828         * archive.cc: Include incremental.h.
4829         (Archive::Archive): Initialize incremental_info_.
4830         (Archive::include_member): Record archive members in incremental info.
4831         (Add_archive_symbols::run): Record begin and end of an archive in
4832         incremental info.
4833         (Lib_group::include_member): Record objects in incremental info.
4834         * archive.h (Incremental_archive_entry): Forward declaration.
4835         (Archive::set_incremental_info): New member function.
4836         (Archive::incremental_info): New member function.
4837         (Archive::Unused_symbol_iterator): New class.
4838         (Archive::unused_symbols_begin): New member function.
4839         (Archive::unused_symbols_end): New member function.
4840         (Archive::incremental_info_): New data member.
4841         * incremental-dump.cc (find_input_containing_global): New function.
4842         (dump_incremental_inputs): Dump new incremental info sections.
4843         * incremental.cc: Include symtab.h.
4844         (Output_section_incremental_inputs): New class.
4845         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4846         new incremental info sections.
4847         (Sized_incremental_binary::do_check_inputs): Likewise.
4848         (Incremental_inputs::report_archive): Remove.
4849         (Incremental_inputs::report_archive_begin): New function.
4850         (Incremental_inputs::report_archive_end): New function.
4851         (Incremental_inputs::report_object): New function.
4852         (Incremental_inputs::finalize_inputs): Remove.
4853         (Incremental_inputs::report_input_section): New function.
4854         (Incremental_inputs::report_script): Rewrite.
4855         (Incremental_inputs::finalize): Do nothing but finalize string table.
4856         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4857         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4858         (Incremental_inputs::create_data_sections): New function.
4859         (Incremental_inputs::relocs_entsize): New function.
4860         (Output_section_incremental_inputs::set_final_data_size): New function.
4861         (Output_section_incremental_inputs::do_write): New function.
4862         (Output_section_incremental_inputs::write_header): New function.
4863         (Output_section_incremental_inputs::write_input_files): New function.
4864         (Output_section_incremental_inputs::write_info_blocks): New function.
4865         (Output_section_incremental_inputs::write_symtab): New function.
4866         * incremental.h (Incremental_script_entry): Forward declaration.
4867         (Incremental_object_entry): Forward declaration.
4868         (Incremental_archive_entry): Forward declaration.
4869         (Incremental_inputs): Forward declaration.
4870         (Incremental_inputs_header_data): Remove.
4871         (Incremental_inputs_header): Remove.
4872         (Incremental_inputs_header_write): Remove.
4873         (Incremental_inputs_entry_data): Remove.
4874         (Incremental_inputs_entry): Remove.
4875         (Incremental_inputs_entry_write): Remove.
4876         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4877         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4878         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4879         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4880         Likewise.
4881         (Incremental_input_entry): New class.
4882         (Incremental_script_entry): New class.
4883         (Incremental_object_entry): New class.
4884         (Incremental_archive_entry): New class.
4885         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4886         (Incremental_inputs::report_inputs): Remove.
4887         (Incremental_inputs::report_archive): Remove.
4888         (Incremental_inputs::report_archive_begin): New function.
4889         (Incremental_inputs::report_archive_end): New function.
4890         (Incremental_inputs::report_object): Change prototype.
4891         (Incremental_inputs::report_input_section): New function.
4892         (Incremental_inputs::report_script): Change prototype.
4893         (Incremental_inputs::get_reloc_count): New function.
4894         (Incremental_inputs::set_reloc_count): New function.
4895         (Incremental_inputs::create_data_sections): New function.
4896         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4897         (Incremental_inputs::inputs_section): New function.
4898         (Incremental_inputs::symtab_section): New function.
4899         (Incremental_inputs::relocs_section): New function.
4900         (Incremental_inputs::get_stringpool): Add const.
4901         (Incremental_inputs::command_line): Add const.
4902         (Incremental_inputs::inputs): Remove.
4903         (Incremental_inputs::command_line_key): New function.
4904         (Incremental_inputs::input_file_count): New function.
4905         (Incremental_inputs::input_files): New function.
4906         (Incremental_inputs::relocs_entsize): New function.
4907         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4908         (Incremental_inputs::finalize_inputs): Remove.
4909         (Incremental_inputs::Input_info): Remove.
4910         (Incremental_inputs::lock_): Remove.
4911         (Incremental_inputs::inputs_): Change type.
4912         (Incremental_inputs::inputs_map_): Remove.
4913         (Incremental_inputs::current_object_entry_): New data member.
4914         (Incremental_inputs::inputs_section_): New data member.
4915         (Incremental_inputs::symtab_section_): New data member.
4916         (Incremental_inputs::relocs_section_): New data member.
4917         (Incremental_inputs::reloc_count_): New data member.
4918         (Incremental_inputs_reader): New class.
4919         (Incremental_symtab_reader): New class.
4920         (Incremental_relocs_reader): New class.
4921         * layout.cc (Layout::finalize): Move finalization of incremental info
4922         and creation of incremental info sections to follow finalization of
4923         symbol table.  Set offsets for postprocessing sections.
4924         (Layout::create_incremental_info_sections): Call
4925         Incremental_inputs::create_data_sections.  Add incremental symtab
4926         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4927         sections to layout after input sections.
4928         * layout.h (struct Timespec): Forward declaration.
4929         (Layout::incremental_inputs): Add const.
4930         (Layout::create_incremental_info_sections): Add parameter.
4931         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4932         * object.cc: Include incremental.h.
4933         (Relobj::finalize_incremental_relocs): New function.
4934         (Sized_relobj::do_layout): Record input sections in incremental info.
4935         * object.h (Object::output_section): New function.
4936         (Object::output_section_offset): Moved from Relobj.
4937         (Object::get_incremental_reloc_base): New function.
4938         (Object::get_incremental_reloc_count): New function.
4939         (Object::do_output_section): New function.
4940         (Object::do_output_section_offset): Moved from Relobj.
4941         (Object::do_get_incremental_reloc_base): New function.
4942         (Object::do_get_incremental_reloc_count): New function.
4943         (Object::Object): Initialize new data members.
4944         (Relobj::output_section): Renamed do_output_section and moved to
4945         protected.
4946         (Relobj::output_section_offset): Moved to Object.
4947         (Relobj::do_get_incremental_reloc_base): New function.
4948         (Relobj::do_get_incremental_reloc_count): New function.
4949         (Relobj::allocate_incremental_reloc_counts): New function.
4950         (Relobj::count_incremental_reloc): New function.
4951         (Relobj::finalize_incremental_relocs): New function.
4952         (Relobj::next_incremental_reloc_index): New function.
4953         (Relobj::reloc_counts_): New data member.
4954         (Relobj::reloc_bases_): New data member.
4955         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4956         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4957         (Sized_relobj::incremental_relocs_scan): New function.
4958         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4959         (Sized_relobj::incremental_relocs_write): New function.
4960         (Sized_relobj::incremental_relocs_write_reltype): New function.
4961         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4962         incremental link.
4963         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4964         archives and object files elsewhere.
4965         (Add_symbols::run): Report object files here.
4966         (Finish_group::run): Report end of archive at end of group.
4967         * reloc.cc: Include layout.h, incremental.h.
4968         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4969         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4970         (Sized_relobj::incremental_relocs_scan): New function.
4971         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4972         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4973         (Sized_relobj::incremental_relocs_write): New function.
4974         (Sized_relobj::incremental_relocs_write_reltype): New function.
4975         * script.cc (read_input_script): Rewrite test for incremental link.
4976         Change call to Incremental_inputs::report_script.
4977         * symtab.h (Symbol_table::first_global_index): New function.
4978         (Symbol_table::output_count): New function.
4979
4980 2010-08-12  Doug Kwan  <dougkwan@google.com>
4981
4982         * arm.cc (Target_arm::merge_object_attributes): Check command line
4983         options --no-wchar-size-warning and --no-enum-size-warning.
4984         * options.h (General_options): Add ld-compatible options
4985         --no-enum-size-warning and --no-wchar-size-warning.
4986
4987 2010-08-04  Ian Lance Taylor  <iant@google.com>
4988
4989         * x86_64.cc (Target_x86_64::Scan::local): Use
4990         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4991         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4992         (Target_x86_64::Scan::global): Likewise.
4993         (Target_x86_64::Relocate::relocate): Likewise.
4994         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4995         Likewise.
4996
4997 2010-08-03  Cary Coutant  <ccoutant@google.com>
4998
4999         * merge.cc (Output_merge_string::do_add_input_section): Count strings
5000         to reserve space in merged_strings vector. Keep total input size
5001         for stats.
5002         (Output_merge_string::do_print_merge_stats): Print total input size.
5003         * merge.h (Output_merge_string): Add input_size_ field.
5004         * stringpool.cc (Stringpool_template::string_length): Move
5005         implementations out of Stringpool_template class and place in
5006         stringpool.h.
5007         * stringpool.h (string_length): Move out of Stringpool_template.
5008
5009 2010-08-03  Ian Lance Taylor  <iant@google.com>
5010
5011         PR 11712
5012         * layout.cc (relaxation_loop_body): If address of load segment is
5013         set, adjust address to include headers if possible.
5014
5015 2010-08-03  Ian Lance Taylor  <iant@google.com>
5016
5017         * version.cc (version_string): Bump to 1.10.
5018
5019 2010-08-03  Ian Lance Taylor  <iant@google.com>
5020
5021         PR 11805
5022         * layout.h (enum Output_section_order): Define.
5023         (class Layout): Update declarations.
5024         * layout.cc (Layout::get_output_section): Add order parameter.
5025         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
5026         is_first_non_relro parameters.  Change all callers.
5027         (Layout::choose_output_section): Likewise.
5028         (Layout::add_output_section_data): Likewise.
5029         (Layout::make_output_section): Likewise.  Set order.
5030         (Layout::default_section_order): New function.
5031         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
5032         * output.cc (Output_section::Output_section): Initialize order_.
5033         Don't initialize deleted fields.
5034         (Output_segment::Output_segment): Don't initialize deleted
5035         fields.
5036         (Output_segment::add_output_section_to_load): New function
5037         replacing add_output_section.  Change all callers to call this or
5038         add_output_section_to_nonload.
5039         (Output_segment::add_output_section_to_nonload): New function.
5040         (Output_segment::remove_output_section): Rewrite.
5041         (Output_segment::add_initial_output_data): Likewise.
5042         (Output_segment::has_any_data_sections): Likewise.
5043         (Output_segment::is_first_section_relro): Likewise.
5044         (Output_segment::maximum_alignment): Likewise.
5045         (Output_segment::has_dynamic_reloc): New function replacing
5046         dynamic_reloc_count.  Change all callers.
5047         (Output_segment::has_dynamic_reloc_list): New function replacing
5048         dynamic_reloc_count_list.  Change all callers.
5049         (Output_segment::set_section_addresses): Rewrite.
5050         (Output_segment::set_offset): Rewrite.
5051         (Output_segment::find_first_and_last_list): Remove.
5052         (Output_segment::set_tls_offsets): Rewrite.
5053         (Output_segment::first_section_load_address): Likewise.
5054         (Output_segment::output_section_count): Likewise.
5055         (Output_segment::section_with_lowest_load_address): Likewise.
5056         (Output_segment::write_section_headers): Likewise.
5057         (Output_segment::print_sections_to_map): Likewise.
5058         * output.h (class Output_data): Remove dynamic_reloc_count_
5059         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
5060         (Output_data::add_dynamic_reloc): Rewrite.
5061         (Output_data::has_dynamic_reloc): New function.
5062         (Output_data::dynamic_reloc_count): Remove.
5063         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
5064         is_last_relro_, is_first_non_relro_, is_interp_,
5065         is_dynamic_linker_section_ fields.  Add order and set_order
5066         functions.  Remove is_relro_local, set_is_relro_local,
5067         is_last_relro, set_is_last_relro, is_first_non_relro,
5068         set_is_first_non_relro functions, is_interp, set_is_interp,
5069         is_dynamic_linker_section, and set_is_dynamic_linker_section
5070         functions.
5071         (class Output_segment): Change Output_data_list from std::list to
5072         std:;vector.  Add output_lists_ field.  Remove output_data_ and
5073         output_bss_ fields.  Update declarations.
5074
5075 2010-08-02  Ian Lance Taylor  <iant@google.com>
5076
5077         * arm.cc (Target_arm::gc_process_relocs): Use typename.
5078         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
5079         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
5080
5081 2010-08-02  Ian Lance Taylor  <iant@google.com>
5082
5083         PR 11855
5084         * script.cc (Script_options::Script_options): Initialize
5085         symbol_definitions_ and symbol_references_.
5086         (Script_options::add_symbol_assignment): Update
5087         symbol_definitions_ and symbol_references_.
5088         (Script_options::add_symbol_reference): New function.
5089         (script_symbol): New function.
5090         * script.h (class Script_options): Add symbol_definitions_ and
5091         symbol_references_ fields.
5092         (Script_options::referenced_const_iterator): New type.
5093         (Script_options::referenced_begin): New function.
5094         (Script_options::referenced_end): New function.
5095         (Script_options::is_referenced): New function.
5096         (Script_options::any_unreferenced): New function.
5097         * script-c.h (script_symbol): Declare.
5098         * yyscript.y (exp): Call script_symbol.
5099         * symtab.cc: Include "script.h".
5100         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
5101         Change all callers.  Check symbols referenced by scripts.
5102         (Symbol_table::add_undefined_symbols_from_command_line): Add
5103         layout parameter.  Change all callers.
5104         (Symbol_table::do_add_undefined_symbols_from_command_line):
5105         Likewise.  Break out loop body.  Check symbols referenced by
5106         scripts.
5107         (Symbol_table::add_undefined_symbol_from_command_line): New
5108         function broken out of
5109         do_add_undefined_symbols_from_command_line.
5110         * symtab.h (class Symbol_table): Update declarations.
5111         * archive.cc: Include "layout.h".
5112         (Archive::should_include_member): Add layout parameter.  Change
5113         all callers.  Check for symbol mentioned in expression.
5114         * archive.h (class Archive): Update declaration.
5115         * object.cc (Sized_relobj::do_should_include_member): Add layout
5116         parameter.
5117         * object.h (Object::should_include_member): Add layout parameter.
5118         Change all callers.
5119         (Object::do_should_include_member): Add layout parameter.
5120         (class Sized_relobj): Update declaration.
5121         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
5122         parameter.
5123         * dynobj.h (class Sized_dynobj): Update declaration.
5124         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
5125         layout parameter.
5126         * plugin.h (class Sized_pluginobj): Update declaration.
5127
5128 2010-08-02  Ian Lance Taylor  <iant@google.com>
5129
5130         PR 11866
5131         * output.cc (Output_segment::set_offset): Search for the first and
5132         last sections rather than assuming that the list is in order.
5133         (Output_segment::find_first_and_last_list): New function.
5134         * output.h (class Output_segment): Update declarations.
5135         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
5136         (relro_strip_test_SOURCES): New variable.
5137         (relro_strip_test_DEPENDENCIES): New variable.
5138         (relro_strip_test_LDFLAGS): New variable.
5139         (relro_strip_test_LDADD): New variable.
5140         (relro_strip_test.so): New target.
5141
5142 2010-08-02  Ian Lance Taylor  <iant@google.com>
5143
5144         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
5145         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
5146         (Target_i386::got_tlsdesc_section): New function.
5147         (Target_i386::got_section): Create space for GOT entries for
5148         TLSDESC relocations.
5149         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
5150         R_386_TLS_GOTDESC.
5151         (Target_i386::Scan::global): Likewise.
5152         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
5153         using TLSDESC GOT.
5154         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
5155         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
5156         (Target_x86_64::got_tlsdesc_section): New function.
5157         (Target_x86_64::got_section): Create space for GOT entries for
5158         TLSDESC relocations.
5159         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
5160         R_386_TLS_GOTDESC.
5161         (Target_x86_64::Scan::global): Likewise.
5162         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
5163         using TLSDESC GOT.
5164
5165 2010-08-02  Ian Lance Taylor  <iant@google.com>
5166
5167         * testsuite/final_layout.sh: Use dc to convert from hex to
5168         decimal.
5169
5170 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
5171
5172         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
5173         paramter to the call to gold::gc_process_relocs.
5174         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
5175         paramter to the call to gold::gc_process_relocs.
5176         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
5177         parameter to the call to gold::gc_process_relocs.
5178         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
5179         template parameter to the call to gold::gc_process_relocs.
5180         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
5181         paramter to the call to gold::gc_process_relocs.
5182         * gc.h (get_embedded_addend_size): New function.
5183         (gc_process_relocs): Save the size of the reloc for use by ICF.
5184         * icf.cc (get_section_contents): Get the addend from the text section
5185         for SHT_REL relocation sections.
5186         * icf.h (Icf::Reloc_addend_size_info): New typedef.
5187         (Icf::Reloc_info): Add new member reloc_addend_size_info.
5188         * int_encoding.h (read_from_pointer): New overloaded function.
5189         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
5190         * testsuite/icf_sht_rel_addend_test.sh: New file.
5191         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
5192         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
5193
5194 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5195
5196         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
5197         * Makefile.in: Regenerate.
5198         * testsuite/Makefile.in: Regenerate.
5199
5200 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
5201
5202         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
5203         * gold/testsuite/debug_msg.cc: Likewise.
5204         * gold/testsuite/odr_violation1.cc
5205         * gold/testsuite/odr_violation2.cc
5206
5207 2010-07-21  Cary Coutant  <ccoutant@google.com>
5208
5209         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
5210         string, and length fields.
5211         (Output_merge_string::Merged_strings_list): New type.
5212         (Output_merge_string::Merged_strings_lists): New typedef.
5213         (Output_merge_string): Replace merged_strings_ with
5214         merged_strings_lists_.
5215         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
5216         Merged_strings_list per input object and section.  Don't store pointer
5217         to the string.  Don't store length with each merged string entry.
5218         (Output_merge_string::finalize_merged_data): Loop over list of merged
5219         strings lists.  Recompute length of each merged string.
5220
5221 2010-07-15  Cary Coutant  <ccoutant@google.com>
5222
5223         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
5224         here.
5225
5226 2010-07-14  Ian Lance Taylor  <iant@google.com>
5227
5228         * descriptors.cc (Descriptors::open): Report correct name in error
5229         message.
5230
5231 2010-07-13  Doug Kwan  <dougkwan@google.com>
5232
5233         * arm.cc (Arm_input_section::Arm_input_section): For a
5234         SHT_ARM_EXIDX section, always keeps the input sections.
5235         (Arm_input_section::set_exidx_section_link): New method.
5236         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
5237         has_errors_ to false.
5238         (Arm_exidx_input_section::has_errors,
5239         Arm_exidx_input_section::set_has_errors): New methods.
5240         (Arm_exidx_input_section::has_errors_): New data member.
5241         (Arm_relobj::get_exidx_shndx_list): New method.
5242         (Arm_output_section::append_text_sections_to_list): Do not skip
5243         section without SHF_EXECINSTR.
5244         (Arm_output_section::fix_exidx_coverage): Skip input sections with
5245         errors.
5246         (Arm_relobj::make_exidx_input_section): Add new parameter for text
5247         section header.  Make error messages more verbose.  Check for
5248         a non-executable section linked to an EXIDX section.
5249         (Arm_relobj::do_read_symbols): Remove error checking, which has been
5250         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
5251         check that there is no deferred EXIDX section if we exit early.
5252         Instead of not making an EXIDX section in case of an error, make one
5253         and set the has_errors flag of it.
5254         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
5255         in a relocatable link.
5256         (Target_arm::do_relax): Look for the EXIDX output section instead of
5257         assuming that it is called .ARM.exidx.
5258         (Target_arm::fix_exidx_coverage): Add a new parameter for input
5259         section list.  Do not check for SHF_EXECINSTR section flags but
5260         skip any input section with errors.
5261         * output.cc (Output_section::Output_section): Initialize
5262         always_keeps_input_sections_ to false.
5263         (Output_section::add_input_section): Check for
5264         always_keeps_input_sections_.
5265         *  output.h (Output_section::always_keeps_input_sections,
5266         Output_section::set_always_keeps_input_sections): New methods.
5267         (Output_section::always_keeps_input_sections): New data member.
5268
5269 2010-07-13  Rafael Espindola  <espindola@google.com>
5270
5271         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
5272         * fileread.h (Input_file): Add try_extra_search_path and find_file.
5273
5274 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
5275             Ian Lance Taylor  <iant@google.com>
5276
5277         * output.h (Output_section_lookup_maps::add_merge_section):
5278         Correct check of whether value was inserted.
5279         (Output_section_lookup_maps::add_merge_input_section): Likewise.
5280         (Output_section_lookup_maps::add_relaxed_input_section):
5281         Likewise.
5282         * arm.cc (Target_arm::got_section): Remove used local os.
5283         * i386.cc (Target_i386::got_section): Likewise.
5284         * x86_64.cc (Target_x86_64::got_section): Likewise.
5285         * sparc.cc (Target_sparc::got_section): Likewise.
5286         (Target_sparc::relocate): Remove unused local have_got_offset.
5287         * powerpc.cc (Target_powerpc::relocate): Likewise.
5288
5289 2010-07-13  Ian Lance Taylor  <iant@google.com>
5290
5291         * compressed_output.cc (zlib_decompress): Fix signature in
5292         !HAVE_ZLIB_H case.
5293
5294         * archive.cc (Archive::include_member): Unlock an external member
5295         of a thin archive.  Don't bother to delete an object we know is
5296         NULL.
5297
5298 2010-07-12  Cary Coutant  <ccoutant@google.com>
5299
5300         * compressed_output.cc (zlib_decompress): New function.
5301         (get_uncompressed_size): New function.
5302         (decompress_input_section): New function.
5303         * compressed_output.h (get_uncompressed_size): New function.
5304         (decompress_input_section): New function.
5305         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
5306         Handle compressed debug sections.
5307         * layout.cc (is_compressed_debug_section): New function.
5308         (Layout::output_section_name): Map compressed section names to
5309         canonical names.
5310         * layout.h (is_compressed_debug_section): New function.
5311         (is_debug_info_section): Recognize compressed debug sections.
5312         * merge.cc: Include compressed_output.h.
5313         (Output_merge_data::do_add_input_section): Handle compressed
5314         debug sections.
5315         (Output_merge_string::do_add_input_section): Handle compressed
5316         debug sections.
5317         * object.cc: Include compressed_output.h.
5318         (Sized_relobj::Sized_relobj): Initialize new data members.
5319         (build_compressed_section_map): New function.
5320         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5321         * object.h (Object::section_is_compressed): New method.
5322         (Object::do_section_is_compressed): New method.
5323         (Sized_relobj::Compressed_section_map): New type.
5324         (Sized_relobj::do_section_is_compressed): New method.
5325         (Sized_relobj::compressed_sections_): New data member.
5326         * output.cc (Output_section::add_input_section): Handle compressed
5327         debug sections.
5328         * reloc.cc: Include compressed_output.h.
5329         (Sized_relobj::write_sections): Handle compressed debug sections.
5330
5331 2010-07-08  Cary Coutant  <ccoutant@google.com>
5332
5333         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5334         weak when resolving to a dynamic def.
5335         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5336         for weak undef/dynamic def cases. Adjust callers.
5337         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5338         undef_binding_weak_.
5339         (Symbol_table::sized_write_globals): Adjust symbol binding.
5340         (Symbol_table::sized_write_symbol): Add binding parameter.
5341         * symtab.h (Symbol::set_undef_binding): New method.
5342         (Symbol::is_undef_binding_weak): New method.
5343         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5344         (Symbol_table::should_override): Add new parameter.
5345         (Symbol_table::sized_write_symbol): Add new parameter.
5346
5347         * testsuite/weak_undef_file1.cc: Add new test case.
5348         * testsuite/weak_undef_file2.cc: Fix header comment.
5349         * testsuite/weak_undef_test.cc: Add new test case.
5350
5351 2010-06-29  Doug Kwan  <dougkwan@google.com>
5352
5353         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5354         Initialize USE_SYMBOL_.
5355         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5356         definition.
5357         (Arm_reloc_property::uses_symbol_): New data member declaration.
5358         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5359         uses symbol value and symbol is undefined but not weakly undefined.
5360
5361 2010-06-28  Rafael Espindola  <espindola@google.com>
5362
5363         * plugin.cc (Plugin::load): Use dlerror.
5364
5365 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5366
5367         * symtab.cc (detect_odr_violations): When reporting an ODR
5368         violation, report an object where the symbol is defined.
5369
5370 2010-06-25  Doug Kwan  <dougkwan@google.com>
5371
5372         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5373         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5374         definition.
5375         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5376         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5377         target hook to detect function points.
5378         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5379         * icf.h (Icf::check_section_for_function_pointers): Change type of
5380         parameter SECTION_NAME to const reference to std::string.  Use
5381         target hook to determine if section may have unsafe pointers.
5382         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5383         method definition.
5384
5385 2010-06-21  Rafael Espindola  <espindola@google.com>
5386
5387         * fileread.cc (Input_file::find_fie): New
5388         (Input_file::open): Use Input_file::find_fie.
5389         * fileread.h (Input_file::find_fie): New
5390         * plugin.cc (set_extra_library_path): New.
5391         (Plugin::load): Add set_extra_library_path to the transfer vector.
5392         (Plugin_manager::set_extra_library_path): New.
5393         (Plugin_manager::add_input_file): Use the extra search path if set.
5394         (set_extra_library_path(): New.
5395         * plugin.h (Plugin_manager): Add set_extra_library_path and
5396         extra_search_path_.
5397
5398 2010-06-19  Cary Coutant  <ccoutant@google.com>
5399
5400         * layout.cc (gdb_sections): Add .debug_types.
5401         (lines_only_debug_sections): Likewise.
5402
5403 2010-06-18  Rafael Espindola  <espindola@google.com>
5404
5405         * plugin.cc (add_input_file,add_input_library)
5406         (Plugin_manager::add_input_file): Make filename arguments const.
5407         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5408         const.
5409
5410 2010-06-16  Doug Kwan  <dougkwan@google.com>
5411
5412         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5413         .ARM.attributes section if we have not merged any input
5414         attributes sections.
5415
5416 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5417
5418         * arm.cc: Allow combining objects with no EABI version
5419         information.
5420
5421 2010-06-15  Rafael Espindola  <espindola@google.com>
5422
5423         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
5424
5425 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5426
5427         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
5428         (struct iovec): Correct !HAVE_READV definition.
5429
5430 2010-06-10  Cary Coutant  <ccoutant@google.com>
5431
5432         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
5433         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
5434         reloc sections.
5435         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
5436
5437         PR 11683
5438         * symtab.h (Symbol::is_placeholder): New member function.
5439         * target-reloc.h (relocate_section): Check for placeholder symbols.
5440
5441         * testsuite/Makefile.am (plugin_test_8): New test.
5442         (plugin_test_9): New test.
5443         * testsuite/Makefile.in: Regenerate.
5444
5445 2010-06-09  Nick Clifton  <nickc@redhat.com>
5446
5447         * yyscript.y (input_list_element): Allow strings prefixed with
5448         the '-' character.  Treat these as libraries.
5449         * script.cc (script_add_library): New function.  Adds a library
5450         specified by "-l<name>" found in an input script.
5451         * script-c.h: Add prototype for script_add_library.
5452
5453 2010-06-07  Doug Kwan  <dougkwan@google.com>
5454
5455         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
5456         Restrict stub-group size to be within long conditional branch
5457         range when working around cortex-A8 erratum.
5458
5459 2010-06-07  Damien Diederen  <dd@crosstwine.com>
5460
5461         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
5462         #ifdef typo.
5463
5464 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
5465
5466         PR gold/11658
5467         * output.cc
5468         (Output_section::Input_section_sort_entry::compare_section_ordering):
5469         Change to return non-zero correctly.
5470         (Output_section::Input_section_sort_section_order_index_compare
5471         ::operator()): Change to fix ambiguity in comparisons.
5472
5473 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
5474
5475         * gold.h (is_wildcard_string): New function.
5476         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
5477         (Layout::layout_eh_frame): Ditto.
5478         (Layout::find_section_order_index): New method.
5479         (Layout::read_layout_from_file): New method.
5480         * layout.h (Layout::find_section_order_index): New method.
5481         (Layout::read_layout_from_file): New method.
5482         (Layout::input_section_position_): New private member.
5483         (Layout::input_section_glob_): New private member.
5484         * main.cc (main): Call read_layout_from_file here.
5485         * options.h (--section-ordering-file): New option.
5486         * output.cc (Output_section::input_section_order_specified_): New
5487         member.
5488         (Output_section::Output_section): Initialize new member.
5489         (Output_section::add_input_section): Add new parameter.
5490         Keep input sections when --section-ordering-file is used.
5491         (Output_section::set_final_data_size): Sort input sections when
5492         section ordering file is specified.
5493         (Output_section::Input_section_sort_entry): Add new parameter.
5494         Check sorting type.
5495         (Output_section::Input_section_sort_entry::compare_section_ordering):
5496         New method.
5497         (Output_section::Input_section_sort_compare::operator()): Change to
5498         consider section_order_index.
5499         (Output_section::Input_section_sort_init_fini_compare::operator()):
5500         Change to consider section_order_index.
5501         (Output_section::Input_section_sort_section_order_index_compare
5502         ::operator()): New method.
5503         (Output_section::sort_attached_input_sections): Change to sort
5504         according to section order when specified.
5505         (Output_section::add_input_section<32, true>): Add new parameter.
5506         (Output_section::add_input_section<64, true>): Add new parameter.
5507         (Output_section::add_input_section<32, false>): Add new parameter.
5508         (Output_section::add_input_section<64, false>): Add new parameter.
5509         * output.h (Output_section::add_input_section): Add new parameter.
5510         (Output_section::input_section_order_specified): New
5511         method.
5512         (Output_section::set_input_section_order_specified): New method.
5513         (Input_section::Input_section): Initialize section_order_index_.
5514         (Input_section::section_order_index): New method.
5515         (Input_section::set_section_order_index): New method.
5516         (Input_section::section_order_index_): New member.
5517         (Input_section::Input_section_sort_section_order_index_compare): New
5518         struct.
5519         (Output_section::input_section_order_specified_): New member.
5520         * script-sections.cc (is_wildcard_string): Delete and move modified
5521         method to gold.h.
5522         (Output_section_element_input::Output_section_element_input): Modify
5523         call to is_wildcard_string.
5524         (Output_section_element_input::Input_section_pattern
5525         ::Input_section_pattern): Ditto.
5526         (Output_section_element_input::Output_section_element_input): Ditto.
5527         * testsuite/Makefile.am (final_layout): New test case.
5528         * testsuite/Makefile.in: Regenerate.
5529         * testsuite/final_layout.cc: New file.
5530         * testsuite/final_layout.sh: New file.
5531
5532 2010-06-01  Rafael Espindola  <espindola@google.com>
5533
5534         * plugin.cc (Plugin::load): Pass the output name to the plugin.
5535
5536 2010-06-01  Rafael Espindola  <espindola@google.com>
5537
5538         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
5539         visibility of symbols.
5540
5541 2010-05-27  Doug Kwan  <dougkwan@google.com>
5542
5543         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
5544         from start of output section instead of address for a local symbol
5545         in a merged or relaxed section when doing a relocatable link.
5546
5547 2010-05-26  Rafael Espindola  <espindola@google.com>
5548
5549        PR 11604
5550         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
5551         adding sections the garbage collector removed.
5552         * gold/testsuite/Makefile.am: Add test.
5553         * gold/testsuite/Makefile.in: Regenerate.
5554         * gold/testsuite/plugin_test_7.sh: New.
5555         * gold/testsuite/plugin_test_7_1.c: New.
5556         * gold/testsuite/plugin_test_7_2.c: New.
5557
5558 2010-05-26  Rafael Espindola  <espindola@google.com>
5559
5560         * script-sections.cc (Output_section_definition::set_section_addresses):
5561         Check for --section-start.
5562
5563 2010-05-26  Doug Kwan  <dougkwan@google.com>
5564
5565         * arm.cc (Arm_scan_relocatable_relocs): New class.
5566         (Target_arm::relocate_special_relocatable): New method.
5567         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
5568         (Arm_relocate_functions::thumb_branch_common): Same.
5569         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
5570         instead of Default_scan_relocatable_relocs.
5571         * target-reloc.h (relocate_for_relocatable): Let target handle
5572         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
5573         * target.h (Sized_target::relocate_special_relocatable): New method.
5574
5575 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5576
5577         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
5578
5579 2010-05-23  Doug Kwan  <dougkwan@google.com>
5580
5581         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
5582         instead of a cast.
5583         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
5584         with a direct branch, not a conditional branch, to a stub.
5585         * merge.cc (Output_merge_base::record_input_section): New method
5586         defintion.
5587         (Output_merge_data::do_add_input_section): Record input section if
5588         keeps-input-sections flag is set.
5589         (Output_merge_string::do_add_input_section): Ditto.
5590         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
5591         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
5592         INPUT_SECTIONS_.
5593         (Output_merge_base::keeps_input_sections,
5594         Output_merge_base::set_keeps_input_sections,
5595         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
5596         method definitions.
5597         (Output_merge_base::Input_sections): New type declaration.
5598         (Output_merge_base::input_sections_begin,
5599         Output_merge_base::input_sections_end,
5600         Output_merge_base::do_set_keeps_input_sections): New method definitions.
5601         (Output_merge_base::bool keeps_input_sections_,
5602         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
5603         Output_merge_base::input_sections_): New data members.
5604         (Output_merge_data::do_set_keeps_input_sections): New method
5605         defintion.
5606         (Output_merge_string::do_set_keeps_input_sections): Ditto.
5607         * output.cc (Output_section::Input_section::relobj): Move method
5608         defintion from class declaration to here and handle merge sections.
5609         (Output_section::Input_section::shndx): Ditto.
5610         (Output_section::Output_section): Remove initializations of removed
5611         data members and initialize new data member LOOKUP_MAPS_.
5612         (Output_section::add_input_section): Set keeps-input-sections flag
5613         for a newly created merge output section as appropriate.  Adjust code
5614         to use Output_section_lookup_maps class.
5615         (Output_section::add_relaxed_input_section): Adjst code for lookup
5616         maps code refactoring.
5617         (Output_section::add_merge_input_section): Add a new parameter
5618         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
5619         class.  If adding input section to a newly created merge output
5620         section fails, remove the new merge section.
5621         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
5622         Adjust code for use of the Output_section_lookup_maps class.
5623         (Output_section::find_merge_section): Ditto.
5624         (Output_section::build_lookup_maps): New method defintion.
5625         (Output_section::find_relaxed_input_section): Adjust code to use
5626         Output_section_lookup_maps class.
5627         (Output_section::get_input_sections): Export merge sections.  Adjust
5628         code to use Output_section_lookup_maps class.
5629         (Output_section:::add_script_input_section): Adjust code to use
5630         Output_section_lookup_maps class.  Update lookup maps for merge
5631         sections also.
5632         (Output_section::discard_states): Use Output_section_lookup_maps.
5633         (Output_section::restore_states): Same.
5634         * output.h (Merge_section_properties): Move class defintion out of
5635         Output_section.
5636         (Output_section_lookup_maps): New class.
5637         (Output_section::Input_section::is_merge_section): New method
5638         defintion.
5639         (Output_section::Input_section::relobj): Move defintion out of class
5640         defintion.  Declare method only.
5641         (Output_section::Input_section::shndx): Ditto.
5642         (Output_section::Input_section::output_merge_base): New method defintion.
5643         (Output_section::Input_section::u2_.pomb): New union field.
5644         (Output_section::Merge_section_by_properties_map,
5645         Output_section::Output_section_data_by_input_section_map,
5646         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
5647         Remove types.
5648         (Output_section::add_merge_input_section): Add new parameter
5649         KEEPS_INPUT_SECTIONS.
5650         (Output_section::build_lookup_maps): New method declaration.
5651         (Output_section::merge_section_map_,
5652         Output_section::merge_section_by_properties_map_,
5653         Output_section::relaxed_input_section_map_,
5654         Output_section::is_relaxed_input_section_map_valid_): Remove data
5655         members.
5656         (Output_section::lookup_maps_): New data member.
5657
5658 2010-05-21  Doug Kwan  <dougkwan@google.com>
5659
5660         PR gold/11619
5661         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
5662         avoid a compilation error.
5663
5664 2010-05-19  Rafael Espindola  <espindola@google.com>
5665
5666         * script-sections.cc (Output_section_definition::allocate_to_segment):
5667         Update the phdrs_list even when the output section is NULL.
5668         * testsuite/Makefile.am: Add test.
5669         * testsuite/Makefile.in: Regenerate.
5670         * testsuite/script_test_9.cc: New.
5671         * testsuite/script_test_9.sh: New.
5672         * testsuite/script_test_9.t: New.
5673
5674 2010-05-19  Doug Kwan  <dougkwan@google.com>
5675
5676         * arm.cc (Arm_input_section::original_size): New method.
5677         (Arm_input_section::do_addralign): Add a cast.
5678         (Arm_input_section::do_output_offset): Remove static cast.
5679         (Arm_input_section::original_addralign,
5680          Arm_input_section::original_size_): Change type to uint32_t.
5681         (Arm_input_section::init): Add safe casts for section alignment
5682         and size.
5683         (Arm_input_section::set_final_data_size): Do not set address and
5684         offset of stub table.
5685         (Arm_output_section::fix_exidx_coverage): Change use of of
5686         Output_section::Simple_input_section to that of
5687         Output_section::Input_section.
5688         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
5689         except for the first pass.
5690         * output.cc (Output_section::get_input_sections): Change type of
5691         input_sections to std::list<Input_section>.
5692         (Output_section::add_script_input_section): Rename from
5693         Output_section::add_simple_input_section.  Change type of SIS
5694         parameter from Simple_input_section to Input_section.
5695         * output.h (Output_section::Simple_input_section): Remove class.
5696         (Output_section::Input_section): Change class visibility to public.
5697         (Output_section::Input_section::addralign): Use stored alignments
5698         for special input sections if set.
5699         (Output_section::Input_section::set_addralign): New method.
5700         (Output_section::get_input_sections): Change parameter type from
5701         list of Simple_input_section to list of Input_section.
5702         (Output_section::add_script_input_section): Rename from
5703         Output_section::add_simple_input_section. Change first parameter's
5704         type from Simple_input_section to Input_section and remove the
5705         second and third parameters.
5706         * script-sections.cc (Input_section::Input_section_list): Change
5707         type to list of Output_section::Input_section/
5708         (Input_section_info::Input_section_info): Change parameter type of
5709         INPUT_SECTION to Output_section::Input_section.
5710         (Input_section_info::input_section): Change return type.
5711         (Input_section_info::input_section_): Change type to
5712         Output_section::Input_section.
5713         (Output_section_element_input::set_section_addresses): Adjust code
5714         to use Output_section::Input_section instead of
5715         Output_section::Simple_input_section.  Adjust code for renaming
5716         of Output_section::add_simple_input_section.
5717         (Orphan_output_section::set_section_addresses): Ditto.
5718
5719 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5720
5721         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5722         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5723
5724 2010-05-18  Rafael Espindola  <espindola@google.com>
5725
5726         * options.cc (General_options::finalize): Handle -nostdlib.
5727         * options.h (nostdlib): New option.
5728         * script.cc (script_add_search_dir): Handle -nostdlib.
5729
5730 2010-05-12  Doug Kwan  <dougkwan@google.com>
5731
5732         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5733         attributes section only if there no attributes section after merging.
5734         (Target_arm::merge_object_attributes): Move value of
5735         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5736         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5737         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5738         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5739         and arm_attr_merge_7.stdout.
5740         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5741         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5742         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5743         arm_attr_merge_7b.o): New rules.
5744         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5745         arm_attr_merge_7
5746         * testsuite/Makefile.in: Regenerate.
5747         * testsuite/arm_attr_merge.sh: New file.
5748         * testsuite/arm_attr_merge_[67][ab].s: Same.
5749
5750 2010-05-05  Nick Clifton  <nickc@redhat.com>
5751
5752         * po/es.po: Updated Spanish translation.
5753
5754 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5755
5756         * Makefile.am (install-exec-local): Properly install gold as
5757         default cross linker.
5758         * Makefile.in: Regenerated.
5759
5760 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5761             Nick Clifton  <nickc@redhat.com>
5762
5763         * configure.ac (install_as_default): Define and set to false
5764         unless --enable-gold or --enable-gold=both/gold has been
5765         specified.
5766         * configure: Regenerate.
5767
5768         * Makefile.am (install-exec-local): Install the executable as
5769         'ld.gold'.  If install_as_default is true then also install it as
5770         'ld'.
5771         * Makefile.in: Regenerated.
5772
5773 2010-04-24  Ian Lance Taylor  <iant@google.com>
5774
5775         * layout.cc (Layout::layout_reloc): In relocatable link don't
5776         combine reloc sections for grouped sections.
5777
5778 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5779
5780         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5781         sections that are not ordinary to icf.
5782         * icf.cc (get_section_contents): Handle relocation pointing to section
5783         with no object or shndx information.
5784         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5785         * testsuite/Makefile.in: Regenerate.
5786         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5787         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5788
5789 2010-04-22  Ian Lance Taylor  <iant@google.com>
5790
5791         * expression.cc (Expression::Expression_eval_info): Add
5792         result_alignment_pointer field.
5793         (Expression::eval_with_dot): Add result_alignment_pointer
5794         parameter.  Change all callers.
5795         (Expression::eval_maybe_dot): Likewise.
5796         (class Binary_expression): Add alignment_pointer parameter to
5797         left_value and right_value.  Change all callers.
5798         (BINARY_EXPRESSION): Set result alignment.
5799         (class Trinary_expression): Add alignment_pointer parameter to
5800         arg2_value and arg3_value.  Change all callers.
5801         (Trinary_cond::value): Set result alignment.
5802         (Max_expression::value, Min_expression::value): Likewise.
5803         (Align_expression::value): Likewise.
5804         * script-sections.cc (class Sections_element): Add dot_alignment
5805         parameter to set_section_addresses virtual function.  Update
5806         instantiations.
5807         (class Output_section_element): Likewise.
5808         (Script_sections::create_segments): Add dot_alignment parameter.
5809         Change all callers.
5810         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5811         (Script_sections::set_phdrs_clause_addresses): Likewise.
5812         * script-sections.h: Update declarations.
5813         * script.h: Update declarations.
5814         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5815         min_p_align.
5816         * testsuite/script_test_3.t: Set large alignment.
5817         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5818         segment has expected alignment.
5819
5820 2010-04-22  Nick Clifton  <nickc@redhat.com>
5821
5822         * po/gold.pot: Updated by the Translation project.
5823         * po/vi.po: Updated Vietnamese translation.
5824
5825 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5826
5827         * testsuite/Makefile.am (check_PROGRAMS): Add
5828         icf_virtual_function_folding_test.
5829         * testsuite/Makefile.in: Regenerated.
5830
5831 2010-04-15  Andrew Haley  <aph@redhat.com>
5832
5833         * options.h (merge_exidx_entries): New option.
5834         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5835         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5836         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5837         (Target_arm::merge_exidx_entries): New function.
5838         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5839         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5840         to Arm_exidx_fixup constructor.
5841         Add new arg, merge_exidx_entries.
5842         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5843         Arm_output_section::fix_exidx_coverage.
5844
5845 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5846
5847         * icf.cc (get_section_contents): Check for preemptible functions.
5848         Ignore addend when appropriate.
5849         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5850         section folded.
5851         (add_from_relobj): Check for section folded.
5852         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5853         * symtab.h (should_add_dynsym_entry): Add new parameter.
5854         * target-reloc.h (scan_relocs): Check for section folded.
5855         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5856         Check reloc types for function pointers in shared objects.
5857         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5858         case.
5859         (icf_preemptible_functions_test): New test case.
5860         (icf_string_merge_test): New test case.
5861         * testsuite.Makefile.in: Regenerate.
5862         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5863         bar_glob.  Refactor code.
5864         * testsuite/icf_preemptible_functions_test.cc: New file.
5865         * testsuite/icf_preemptible_functions_test.sh: New file.
5866         * testsuite/icf_string_merge_test.cc: New file.
5867         * testsuite/icf_string_merge_test.sh: New file.
5868         * testsuite/icf_virtual_function_folding_test.cc: New file.
5869         * testsuite/icf_virtual_function_folding_test.sh: New file.
5870
5871 2010-04-14  Doug Kwan  <dougkwan@google.com>
5872
5873         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5874         for local symbol recounting if we remove a section due to ICF.
5875         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5876         there are no regular objects in input.
5877
5878 2010-04-13  Doug Kwan  <dougkwan@google.com>
5879
5880         * arm.cc (Arm_input_section::set_final_data_size): Compute
5881         accurate final data size instead of using current data size.
5882
5883 2010-04-09  Doug Kwan  <dougkwan@google.com>
5884
5885         * layout.cc (Layout::choose_output_section): Handle script section
5886         types.
5887         (Layout::make_output_section_for_script): Add section type parameter.
5888         Handle script section types.
5889         * layout.h (Layout::make_output_section_for_script): Add section
5890         type parameter.
5891         * output.cc (Output_section::Output_section): Initialize data member
5892         is_noload_.
5893         (Output_section::do_reset_address_and_file_offset): Do not set address
5894         to 0 if section is a NOLOAD section.
5895         * output.h (Output_section::is_noload): New method.
5896         (Output_section::set_is_noload): Ditto.
5897         (Output_section::is_noload_): New data member.
5898         * script-c.h (Script_section_type): New enum type.
5899         (struct Parser_output_section_header): Add new file section_type.
5900         * script-sections.cc (Sections_element::output_section_name): Add
5901         parameter for returning script section type.
5902         (Output_section_definition::output_section_name): Ditto.
5903         (Output_section_definition::section_type)P; New method.
5904         (Output_section_definiton::script_section_type_name): Ditto.
5905         (Output_section_definition::script_section_type_): New data member.
5906         (Output_section_definition::Output_section_definition): Initialize
5907         data member Output_section_definition::script_section_type_.
5908         (Output_section_definition::create_sections): Pass script section type
5909         to Layout::make_output_section_for_script.
5910         (Output_section_definition::output_section_name): Return script
5911         section type to caller.
5912         (Output_section_definition::set_section_address): Do not advance
5913         dot value and load address if section type is NOLOAD.  Set address
5914         of NOLOAD sections regardless of section flags.
5915         (Output_section_definition::print): Print section type if it is
5916         not SCRIPT_SECTION_TYPE_NONE.
5917         (Output_section_definition::section_type): New method.
5918         (Output_section_definition::script_section_type_name): Ditto.
5919         (Script_sections::output_section_name): Add new parameter
5920         PSECTION_TYPE for returning script section type.  Pass it to
5921         section elements.  Handle discard sections.
5922         (Sort_output_sections::operator()): Handle NOLOAD sections.
5923         * script-sections.h (Script_sections::Section_type): New enum type.
5924         (Script_sections::output_section_name): Add a new parameter for
5925         returning script section type.
5926         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5927         INFO and NOLOAD.
5928         * yyscript.y (union): Add new field SECTION_TYPE.
5929         (COPY, DSECT, INFO, NOLOAD): New tokens.
5930         (opt_address_and_section_type): Change type to output_section_header.
5931         (section_type): New non-terminal
5932         (section_header): Handle section type.
5933         (opt_address_and_section_type): Return section type value.
5934
5935 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5936
5937         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5938         * testsuite/plugin_common_test_2.c (foo): Likewise.
5939
5940 2010-04-08  Doug Kwan  <dougkwan@google.com>
5941
5942         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5943         Output_merge_data.
5944         * output.cc (Output_section::add_merge_input_section): Simplify
5945         code and return status of Output_merge_base::add_input_section.
5946         Update merge section map only if Output_merge_base::add_input_section
5947         returns true.
5948
5949 2010-04-07  Doug Kwan  <dougkwan@google.com>
5950
5951         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5952         if section is marked as containing instructions but has no mapping
5953         symbols.
5954         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5955         correct section index.
5956         (Arm_relobj::find_linked_text_section): Ditto.
5957
5958 2010-04-07  Cary Coutant  <ccoutant@google.com>
5959
5960         * archive.cc (include_member): Destroy Read_symbols_data object before
5961         releasing file.
5962         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5963         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5964         (Read_symbols_data::~Read_symbols_data) New destructor.
5965         (Section_relocs::Section_relocs) New constructor.
5966         (Section_relocs::~Section_relocs) New destructor.
5967         (Read_relocs_data::Read_relocs_data) New constructor.
5968         (Read_relocs_data::~Read_relocs_data) New destructor.
5969         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5970         pointers to NULL after deleting.
5971
5972 2010-04-07  Doug Kwan  <dougkwan@google.com>
5973
5974         * arm.cc: Replace "endianity" with "endianness" in comments.
5975         (Arm_exidx_cantunwind): Ditto.
5976         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5977         (Arm_relobj::merge_flags_and_attributes): New method.
5978         (Arm_relobj::merge_flags_and_attributes_): New data member.
5979         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5980         (Arm_relobj::scan_sections_for_stubs): Ditto.
5981         (Arm_relobj::do_read_symbols): Check to see if we really want to
5982         merge processor-specific flags and attributes.  Exit early if
5983         an object is empty except for section names and the undefined symbol.
5984         (Target_arm::do_finalize_sections): Move check for ELF format to
5985         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5986         attributes from a regular object only when we have determined that
5987         it is aapropriate.  Do not create an .ARM.attributes section in
5988         output if there is no regular input object.
5989         (Target_arm::merge_processor_specific_flags): Check
5990         --warn-mismatch before printing any error.
5991         (Target_arm::merge_object_attributes): Ditto.
5992         * gold.cc (queue_middle_tasks): Handle the case in which there is
5993         no regular object in input.
5994         * options.cc (General_options::parse_EB): New method.
5995         (General_options::parse_EL): Same.
5996         (General_options::General_options): Initialize endianness_.
5997         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5998         New options.
5999         (General_options::Endianness): New enum.
6000         (General_options::endianness): New method.
6001         (General_options::endianness_): New data member.
6002         * parameters.cc (Parameters::set_options): Check target endianness.
6003         (Parameters::set_target_once): Ditto.
6004         (Parameters::check_target_endianness): New method.
6005         (parameters_force_valid_target): If either -EL or -EB is specified,
6006         use it to define endianness of default target.
6007         * parameters.h (Parameters::check_target_endianness): New method
6008         declaration.
6009         * target.h (class Target): Change "endianity" to "endianness"
6010         in comments.
6011
6012 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6013
6014         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
6015         * configure: Regenerate.
6016         * Makefile.in: Regenerate.
6017         * testsuite/Makefile.in: Regenerate.
6018
6019 2010-04-06  Cary Coutant  <ccoutant@google.com>
6020
6021         gcc PR lto/42757
6022         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
6023         prevailing definitions of common symbols.
6024         * testsuite/plugin_test_6.sh: New test case.
6025         * testsuite/plugin_common_test_1.c: New test case.
6026         * testsuite/plugin_common_test_2.c: New test case.
6027         * testsuite/Makefile.am (plugin_test_6): New test case.
6028         * testsuite/Makefile.in: Regenerate.
6029
6030 2010-04-06  Nick Clifton  <nickc@redhat.com>
6031
6032         * po/vi.po: New Vietnamese translation.
6033
6034 2010-03-30  Doug Kwan  <dougkwan@google.com>
6035
6036         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
6037
6038 2010-03-25  Doug Kwan  <dougkwan@google.com>
6039
6040         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
6041         to avoid a conversion warning on a 32-bit host.
6042
6043 2010-03-24  Ian Lance Taylor  <iant@google.com>
6044
6045         * testsuite/script_test_3.t: Add a TLS segment.
6046         * testsuite/Makefile.am (check_PROGRAMS): Add
6047         tls_phdrs_script_test.
6048         (tls_phdrs_script_test_SOURCES): Define.
6049         (tls_phdrs_script_test_DEPENDENCIES): Define.
6050         (tls_phdrs_script_test_LDFLAGS): Define.
6051         (tls_phdrs_script_test_LDADD): Define.
6052         * testsuite/Makefile.in: Rebuild.
6053
6054 2010-03-23  Cary Coutant  <ccoutant@google.com>
6055
6056         * fileread.cc (find_or_make_view): Fix comment.
6057
6058 2010-03-23  Ian Lance Taylor  <iant@google.com>
6059
6060         * script-sections.cc (class Orphan_section_placement): Define
6061         PLACE_TLS and PLACE_TLS_BSS.
6062         (Orphan_section_placement::Orphan_section_placement): Initialize
6063         new places.
6064         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
6065         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
6066         (tls_script_test_SOURCES): Define.
6067         (tls_script_test_DEPENDENCIES): Define.
6068         (tls_script_test_LDFLAGS): Define.
6069         (tls_script_test_LDADD): Define.
6070         * testsuite/Makefile.in: Rebuild.
6071
6072 2010-03-22  Doug Kwan  <dougkwan@google.com>
6073
6074         * arm.cc (Arm_relocate_functions::abs8,
6075         Arm_relocate_functions::abs16): Use correct check for overflow
6076         specified in the ARM ELF specs.
6077         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
6078         target of a BLX instruction specially.
6079         (Reloc_stub::stub_type_for_reloc): Ditto.
6080         (Relocate::relocate): Use symbolic names instead of numeric relocation
6081         codes to report error.
6082         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
6083         workaround.
6084         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
6085         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
6086         thumb2_blx_out_of_range.stdout
6087         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
6088         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
6089         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
6090         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
6091         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
6092         thumb2_blx_in_range, thumb2_blx_in_range.o,
6093         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
6094         thumb2_blx_out_of_range.o): New rules.
6095         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
6096         thumb2_blx_in_range and thumb2_blx_out_of_range.
6097         * testsuite/Makefile.in: Regenerate.
6098         * arm_branch_in_range.sh: Add tests for THUMB BLX.
6099         * testsuite/thumb_blx_in_range.s: New file.
6100         * testsuite/thumb_blx_out_of_range.s: New file.
6101
6102 2010-03-22  Rafael Espindola  <espindola@google.com>
6103
6104         * archive.cc (Should_include): Move to archive.h.
6105         (should_include_member): Make it a member of Archive.
6106         (Lib_group): New.
6107         (Add_lib_group_symbols): New.
6108         * archive.h: Include options.h.
6109         (Archive_member): Moved from Archive.
6110         (Should_include): Moved from archive.cc.
6111         (Lib_group): New.
6112         (Add_lib_group_symbols): New.
6113         * dynobj.cc (do_should_include_member): New.
6114         * dynobj.h (do_should_include_member): New.
6115         * gold.cc (queue_initial_tasks): Update call to queue.
6116         * main.cc (main): Print lib group stats.
6117         * object.cc (do_should_include_member): New.
6118         * object.h: Include archive.h.
6119         (Object::should_include_member): New.
6120         (Object::do_should_include_member): New.
6121         (Sized_relobj::do_should_include_member): New.
6122         * options.cc (General_options::parse_start_lib): New.
6123         (General_options::parse_end_lib): New.
6124         (Input_arguments::add_file): Handle lib groups.
6125         (Input_arguments::start_group): Check we are not in a lib.
6126         (Input_arguments::start_lib): New.
6127         (Input_arguments::end_lib): New.
6128         * options.h (General_options): Add start_lib and end_lib.
6129         (Input_argument::lib_): New.
6130         (Input_argument::lib): New.
6131         (Input_argument::is_lib): New.
6132         (Input_file_lib): New.
6133         (Input_arguments::in_lib_): New.
6134         (Input_arguments::in_lib): New.
6135         (Input_arguments::start_lib): New.
6136         (Input_arguments::end_lib_): New.
6137         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
6138         in unused members as preempted.
6139         (Sized_pluginobj::do_should_include_member): New.
6140         * plugin.h (Sized_pluginobj::do_should_include_member): New.
6141         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
6142         return the blocker.
6143         (Read_symbols::do_whole_lib_group): New.
6144         (Read_symbols::do_lib_group): New.
6145         (Read_symbols::do_read_symbols): Handle lib groups.
6146         (Read_symbols::get_name): Handle lib groups.
6147         * readsyms.h (Read_symbols): Add an archive member pointer.
6148         (Read_symbols::do_whole_lib_group): New.
6149         (Read_symbols::do_lib_group): New.
6150         (Read_symbols::member_): New.
6151         * script.cc (read_input_script): Update call to queue_soon.
6152
6153 2010-03-19  Doug Kwan  <dougkwan@google.com>
6154
6155         * arm.cc (Stub_table::Stub_table): Initialize new data members
6156         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6157         (Stub_table::add_reloc_stub): Assign stub offset and update
6158         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6159         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
6160         New data members.
6161         (Stub_table::update_data_size_and_addralign): Use
6162         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
6163         instead of going over all reloc stubs.
6164         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
6165         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6166         Stringpool_template::offset_ to size of Stringpool_char.
6167         (Stringpool_template::new_key_offset): Remove code to initialize
6168         Stringpool_template::offset_.
6169         * stringpool.h (Stringpool_template::set_no_zero_null): Set
6170         Stringpool_template::offset_ to zero.
6171
6172 2010-03-15  Doug Kwan  <dougkwan@google.com>
6173
6174         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6175         offset_.
6176         (Stringpool_template::new_key_offset): New method.
6177         (Stringpool_template::add_string): Assign offsets when adding new
6178         strings.
6179         (Stringpool_template::set_string_offsets): Do not set string offsets
6180         when not optimizing.
6181         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
6182         member size_.
6183         (Chunked_vector::clear): Clear size_.
6184         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
6185         (Chunked_vector::size): Return size_.
6186         (Chunked_vector::push_back): Use size_ to find insert position.
6187         (Chunked_vector::size_): New data member.
6188         (Stringpool_template::set_no_zero_null): Assert string set is empty.
6189         (Stringpool_template::new_key_offset): New method declaration.
6190         (Stringpool_template::offset_): New data member.
6191
6192 2010-03-15   Rafael Espindola  <espindola@google.com>
6193
6194         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
6195         Add_symbols' constructor.
6196         * readsyms.h (Add_symbols): Remove the input_group member.
6197
6198 2010-03-10  Ian Lance Taylor  <iant@google.com>
6199
6200         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
6201         target to ask whether a reference to a symbol requires a stack
6202         split.
6203         * target.h (Target::is_call_to_non_split): New function.
6204         (Target::do_is_call_to_non_split): Declare virtual function.
6205         * target.cc: Include "symtab.h".
6206         (Target::do_is_call_to_non_split): New function.
6207         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
6208
6209 2010-03-10  Cary Coutant  <ccoutant@google.com>
6210
6211         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
6212         (File_read::open[1]): Remove initial mapping of whole_file_view_.
6213         (File_read::open[2]): Add whole_file_view_ to list of views.
6214         (File_read::make_view): Remove test of whole_file_view_.
6215         (File_read::find_or_make_view): Create whole_file_view_ if
6216         necessary.
6217         (File_read::clear_views): Replace bool parameter with enum;
6218         adjust all callers.  Don't delete views with permanent data;
6219         do delete cached views and views from archives if
6220         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
6221         if clearing the corresponding view.
6222         * fileread.h (File_read::Clear_views_mode): New enum.
6223         (File_read::View::is_permanent_view): New method.
6224         (File_read::clear_views): Replace bool parameter
6225         with enum; adjust all callers.
6226         * options.h (General_options): Change keep_files_mapped option;
6227         add map_whole_files.
6228         * readsyms.cc (Add_symbols::run): Delete sd_ object before
6229         releasing the file.
6230         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
6231         the file.
6232
6233 2010-03-10  David S. Miller  <davem@davemloft.net>
6234
6235         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
6236
6237 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6238
6239         * icf.cc (get_section_contents): Add '@' marker after processing the
6240         merge reloc.
6241
6242 2010-03-08  Doug Kwan  <dougkwan@google.com>
6243
6244         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
6245         due to a conversion warning.
6246         (Arm_relobj::update_output_local_symbol_count): Check for local
6247         symbol with unset output index.
6248
6249 2010-03-05  Ian Lance Taylor  <iant@google.com>
6250
6251         * options.h (class General_options): Add --spare-dynamic-tags.
6252         * output.cc (Output_data_dynamic::set_final_data_size): Implement
6253         --spare-dynamic-tags.
6254
6255 2010-03-05  Ian Lance Taylor  <iant@google.com>
6256
6257         * incremental.cc: Include "libiberty.h".
6258
6259 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6260
6261         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
6262         function, is_info_ member.
6263         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
6264         (Versions::Versions): Update caller.
6265         (Versions::define_base_version): Likewise.
6266         (Versions::add_def): Likewise.
6267
6268 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
6269
6270         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
6271         (Scan::possible_function_pointer_reloc): New function.
6272         (Scan::local_reloc_may_be_function_pointer): Change to call
6273         possible_function_pointer_reloc.
6274         (Scan::global_reloc_may_be_function_pointer): Ditto.
6275         * icf.h (Icf::check_section_for_function_pointers): Change to reject
6276         relocations in ".data.rel.ro._ZTV" section.
6277         * testsuite/icf_safe_so_test.sh: Change to pass i386.
6278         * testsuite/icf_safe_so_test.cc: Ditto.
6279         * testsuite/icf_safe_test.cc: Ditto.
6280         * testsuite/icf_safe_test.sh: Ditto.
6281
6282 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6283             Ian Lance Taylor  <iant@google.com>
6284
6285         * target-reloc.h (relocate_section): Check the symbol table index
6286         for -1U before setting the local symbol index.
6287         (scan_relocatable_relocs): If copying the relocation, record that
6288         the local symbol is required.
6289         * object.h (Symbol_value::is_output_symtab_index_set): New
6290         function.
6291         (Symbol_value::may_be_discarded_from_output_symtab): New
6292         function.
6293         (Symbol_value::has_output_symtab_entry): New function.
6294         (Symbol_value::needs_output_symtab_entry): Remove.
6295         (Symbol_value::output_symtab_index): Make sure the symbol index is
6296         set.
6297         (Symbol_value::set_output_symtab_index): Make sure the symbol
6298         index is not set.  Make sure the new index is valid.
6299         (Symbol_value::set_must_have_output_symtab_entry): New function.
6300         (Symbol_value::has_output_dynsym_entry): New function.
6301         (Symbol_value::set_output_dynsym_index): Make sure the new index
6302         is valid.
6303         (Sized_relobj::set_must_have_output_symtab_entry): New function.
6304         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
6305         local symbol if permitted.
6306         (Sized_relobj::do_finalize_local_symbols): Call
6307         is_output_symtab_index_set rather than needs_output_symtab_entry.
6308         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
6309         rather than needs_output_symtab_entry.  Call
6310         has_output_dynsym_entry rather than needs_output_dynsym_entry.
6311         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
6312         is_output_symtab_index_set rather than needs_output_symtab_entry.
6313         * testsuite/discard_locals_relocatable_test.c: New file.
6314         * testsuite/discard_locals_test.sh: Test -r.
6315         * testsuite/Makefile.am (check_DATA): Add
6316         discard_locals_relocatable_test1.syms,
6317         discard_local_relocatable_test2.syms.
6318         (MOSTLYCLEANFILES): Likewise.  Also add
6319         discard_locals_relocatable_test1.lout and
6320         discard_locals_relocatable_test2.out.
6321         (discard_locals_relocatable_test1.syms): New target.
6322         (discard_locals_relocatable_test.o): New target.
6323         (discard_locals_relocatable_test1.out): New target.
6324         (discard_locals_relocatable_test2.syms): New target.
6325         (discard_locals_relocatable_test2.out): New target.
6326         (various): Add missing ../ld-new dependencies.
6327         * testsuite/Makefile.in: Rebuild.
6328
6329 2010-03-03  Nick Clifton  <nickc@redhat.com>
6330
6331         * po/fi.po: New Finnish translation.
6332
6333 2010-03-01  Doug Kwan  <dougkwan@google.com>
6334
6335         * layout.cc (Layout::Layout): Force section types of .init_array*,
6336         .preinit_array* and .fini_array* sections.
6337         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6338         Fix check of return value of std::string::find.().
6339         (Output_section::Input_section_sort_compare::operator()): Remove
6340         comment about .init_array.
6341         (Output_section::Input_section_sort_init_fini_compare::operator()):
6342         New method.
6343         (Output_section::sort_attached_input_sections): Handle .init_array
6344         and .fini_array specially.
6345         * output.h (Output_section::Inut_section_sort_compare): Update
6346         comment.
6347         (Output_section::Input_section_sort_init_fini_compare): New struct.
6348
6349 2010-02-26  Doug Kwan  <dougkwan@google.com>
6350
6351         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6352         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6353         * testsuite/debug_msg.sh: Avoid matching source line number for
6354         use of global variable undef_int.
6355
6356 2010-02-26  Doug Kwan  <dougkwan@google.com>
6357
6358         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6359         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6360         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6361         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6362         * options.cc (General_options::General_options): Initialize member
6363         fix_v4bx_.
6364         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6365         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6366         and rm_no_fix_v4bx.stdout
6367         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6368         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6369         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6370         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6371         and arm_no_fix_v4bx.
6372         * Makefile.in: Regenerate.
6373         * testsuite/arm_fix_v4bx.s: New file.
6374         * testsuite/arm_fix_v4bx.sh: Ditto.
6375
6376 2010-02-24  Doug Kwan  <dougkwan@google.com>
6377
6378         * arm.cc (Target_arm::got_section): Make the .got section the first
6379         non RELRO section in the data segment.
6380         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6381         suffixes of section names.
6382
6383 2010-02-24  Doug Kwan  <dougkwan@google.com>
6384
6385         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6386         flags and attributes merging if an input file is a binary file.
6387         * fileread.cc (Input_file::open): Record format of original file.
6388         * fileread.h (Input_file::Format): New enum type.
6389         (Input_file::Input_file): Initialize data member format_.
6390         (Input_file::format): New method definition.
6391         (Input_file::format_):: New data member.
6392
6393 2010-02-24  Doug Kwan  <dougkwan@google.com>
6394
6395         * arm.cc (Arm_output_data_got): New class.
6396         (ARM_TCB_SIZE): New constant
6397         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6398         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6399         If user uses a script with a SECTIONS clause, issue only a warning
6400         for a misplaced EXIDX input section.  Otherwise, issue an error.
6401         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6402         garbage collection.
6403         (Target_arm::got_mode_index_entry): Handle static linking.
6404         (Target_arm::Scan::local): Ditto.
6405         (Target_arm::Scan::global): Ditto.
6406         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6407         all incorrectly implemented relocations.
6408         (Target_arm::fix_exidx_coverage): Pass layout to
6409         Arm_output_section::fix_exidx_coverage.
6410         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6411         from ".ARM.exidx." and ".ARM.extab.".
6412
6413 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6414
6415         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6416         section if it does not already exist.
6417         * attributes.cc (Attributes_section_data::Attributes_section_data):
6418         Don't crash if size is zero.
6419
6420 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6421             Ian Lance Taylor  <iant@google.com>
6422
6423         * gold.cc (queue_middle_tasks): If no input files were opened,
6424         exit.
6425         * workqueue.h (Task_function::Task_function): Assert that there is
6426         a blocker.
6427
6428 2010-02-22  Doug Kwan  <dougkwan@google.com>
6429
6430         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
6431         * icf.cc (get_section_contents): Cast snprintf arguments to long long
6432         types to avoid warnings due to different uint64_t implementations
6433         on different hosts.
6434
6435 2010-02-21  Doug Kwan  <dougkwan@google.com>
6436
6437         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
6438         handling of the maximum backward branch offset.
6439         (Arm_relocate_functions::thumb_branch_common): Ditto.
6440         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
6441         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
6442         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
6443         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
6444         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
6445         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
6446         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
6447         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
6448         thumb_bl_out_of_range thumb_bl_out_of_range.o,
6449         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
6450         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
6451         thumb2_bl_out_of_range.o): New rules.
6452         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
6453         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
6454         thumb2_bl_out_of_range
6455         * testsuite/Makefile.in: Regenerate.
6456         * testsuite/arm_bl_in_range.s: New file.
6457         * testsuite/arm_bl_out_of_range.s: Ditto.
6458         * testsuite/arm_branch_in_range.sh: Ditto.
6459         * testsuite/arm_branch_range.t: Ditto.
6460         * testsuite/thumb2_branch_range.t: Ditto.
6461         * testsuite/thumb_bl_in_range.s: Ditto.
6462         * testsuite/thumb_bl_out_of_range.s: Ditto.
6463         * testsuite/thumb_branch_range.t: Ditto.
6464
6465 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
6466
6467         * gc.h (gc_process_relocs): Change vectors to point to the new list.
6468         Add reloc offset information.
6469         * icf.cc (get_section_contents): Change iterators to point to the new
6470         vectors. Add reloc offset information to the contents.
6471         * icf.h (Icf::Sections_reachable_info): New typedef.
6472         (Icf::Sections_reachable_list): New typedef.
6473         (Icf::Offset_info): New typedef.
6474         (Icf::Reloc_info): New struct typedef.
6475         (Icf::Reloc_info_list): New typedef.
6476         (Icf::symbol_reloc_list): Delete method.
6477         (Icf::addend_reloc_list): Delete method.
6478         (Icf::section_reloc_list): Delete method.
6479         (Icf::reloc_info_list): New method.
6480         (Icf::reloc_info_list_): New member.
6481
6482 2010-02-19  Doug Kwan  <dougkwan@google.com>
6483
6484         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
6485         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
6486         * arm.cc (Arm_relocation_functions): New forward declaration.
6487         (Target_arm::Target_arm): Initialize new data members
6488         got_mod_index_offset_ and tls_base_symbol_defined_.
6489         (Target_arm::Relocate::relocate_tls): New method.
6490         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
6491          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
6492         New methods.
6493         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
6494         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
6495         (Target_arm::got_mod_index_offset_,
6496         Target_arm::tls_base_symbol_defined_): New data members.
6497         (Target_arm::Scan::local, Target::Scan::global,
6498         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
6499         relocations.
6500
6501 2010-02-18  Doug Kwan  <dougkwan@google.com>
6502
6503         * arm.cc (Arm_relobj::find_linked_text_section): New method.
6504         (Arm_relobj::make_exidx_input_section): Pass section index of linked
6505         text section as a parameter becuase some broken tools may not set
6506         the link in section header.
6507         (Target_arm::has_got_section): New method.
6508         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
6509         without any mapping symbol as data only.  Remove warning.
6510         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
6511         link in its section header, try to discover the link by inspecting the
6512         REL31 relocation at the beginning of the section.
6513         (Target_arm::Scan::check_non_pic): Report name of offending relocation
6514         in error message.
6515         (Target_arm::Scan::global): Treat any reference to the symbol
6516         _GLOBAL_OFFSET_TABLE_ as a GOT access.
6517
6518 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
6519
6520         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
6521         (Scan::global_reloc_may_be_function_pointer): New function.
6522         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6523         (Scan::global_reloc_may_be_function_pointer): New function.
6524         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6525         (Scan::global_reloc_may_be_function_pointer): New function.
6526         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
6527         (Scan::global_reloc_may_be_function_pointer): New function.
6528         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
6529         (Scan::global_reloc_may_be_function_pointer): New function.
6530         (Scan::possible_function_pointer_reloc): New function.
6531         (Target_x86_64::can_check_for_function_pointers): New function.
6532         * gc.h (gc_process_relocs): Scan relocation types to determine if
6533         function pointers were taken for targets that support it.
6534         * icf.cc (Icf::find_identical_sections): Include functions for
6535         folding in safe ICF whose pointer is not taken.
6536         * icf.h (Secn_fptr_taken_set): New typedef.
6537         (fptr_section_id_): New member.
6538         (section_has_function_pointers): New function.
6539         (set_section_has_function_pointers): New function.
6540         (check_section_for_function_pointers): New function.
6541         * options.h: Fix comment for safe ICF option.
6542         * target.h (can_check_for_function_pointers): New function.
6543         * testsuite/Makefile.am: Add icf_safe_so_test test case.
6544         Modify icf_safe_test for X86-64.
6545         * testsuite/Makefile.in: Regenerate.
6546         * testsuite/icf_safe_so_test.cc: New file.
6547         * testsuite/icf_safe_so_test.sh: New file.
6548         * testsuite/icf_safe_test.cc (kept_func_3): New function.
6549         (main): Change to take pointer to function kept_func_3.
6550         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
6551         folding is done correctly for X86-64.
6552
6553 2010-02-12  David S. Miller  <davem@davemloft.net>
6554
6555         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
6556         is_symbolless parameter.
6557         (Output_reloc<SHT_REL>::is_symbolless): New.
6558         (Output_reloc<SHT_REL>::is_symbolless_): New.
6559         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
6560         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
6561         (Output_reloc<SHT_RELA>::is_symbolless): New.
6562         (Output_data_reloc::add_global): Handle is_symbolless.
6563         (Output_data_reloc::add_global_relative): Likewise.
6564         (Output_data_reloc::add_local): Likewise.
6565         (Output_data_reloc::add_local_relative): Likewise.
6566         (Output_data_reloc::add_symbolless_global_addend): New.
6567         (Output_data_reloc::add_symbolless_local_addend): New.
6568         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
6569         is_symbolless.
6570         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
6571         instead of ->is_relative_
6572         (Output_reloc::write): Likewise.
6573         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
6574         (Output_reloc::write_rel): Simplify.
6575
6576         * sparc.cc (Target_sparc::Scan::local): Use
6577         ->add_symbolless_local_addend as needed.
6578         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
6579         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
6580         based upon relocation offset.
6581
6582 2010-02-11  Doug Kwan  <dougkwan@google.com>
6583
6584         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
6585         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
6586         beginning of function.
6587         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
6588         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
6589         parameter is_32bit in calls to should_apply_static_reloc.
6590         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
6591         (check_DATA): Add arm_abs_global.stdout.
6592         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
6593         arm_abs_global.stdout): New rules.
6594         (MOSTLLYCLEANFILES): Add arm_abs_global
6595         * Makefile.in: Regenerate.
6596         * testsuite/arm_abs_global.s: New file.
6597         * testsuite/arm_abs_global.sh: Ditto.
6598         * testsuite/arm_abs_lib.s: Ditto.
6599
6600 2010-02-11  Ian Lance Taylor  <iant@google.com>
6601
6602         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
6603         Read_relocs task.
6604         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
6605         Allocate_commons_task first.
6606         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
6607         task, rather than symtab_lock_.
6608         (Gc_process_relocs::~Gc_process_relocs): New function.
6609         (Gc_process_relocs::is_runnable): Check this_blocker_.
6610         (Gc_process_relocs::locks): Use next_blocker_ rather than
6611         blocker_.
6612         (Scan_relocs::~Scan_relocs): New function.
6613         (Scan_relocs::is_runnable): Check this_blocker_ rather than
6614         symtab_lock_.
6615         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
6616         next_blocker_.
6617         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
6618         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
6619         constructor accordingly.
6620         (class Gc_process_relocs): Likewise.
6621         (class Scan_relocs): Likewise.
6622         * common.h (class Allocate_commons_task): Remove symtab_lock_
6623         field, and corresponding constructor parameter.
6624         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
6625         symtab_lock_.
6626         (Allocate_commons_task::locks): Likewise.
6627
6628 2010-02-11  Ian Lance Taylor  <iant@google.com>
6629
6630         * gold-threads.h (class Once): Define.
6631         (class Initialize_lock): Rewrite as child of Once.
6632         * gold-threads.cc (class Once_initialize): Define.
6633         (once_pointer_control): New static variable.
6634         (once_pointer, once_arg): New static variables.
6635         (c_run_once): New static function.
6636         (Once::Once, Once::run_once, Once::internal_run): New functions.
6637         (class Initialize_lock_once): Remove.
6638         (initialize_lock_control): Remove.
6639         (initialize_lock_pointer): Remove.
6640         (initialize_lock_once): Remove.
6641         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
6642         (Initialize_lock::initialize): Rewrite.
6643         (Initialize_lock::do_run_once): New function.
6644         * archive.cc (Archive::interpret_header): Only clear name if it is
6645         not already empty.
6646         * fileread.cc: Include "gold-threads.h"
6647         (file_counts_lock): New static variable.
6648         (file_counts_initialize_lock): Likewise.
6649         (File_read::release): Only increment counts when using --stats.
6650         Use a lock around the increment.
6651         * parameters.cc (class Set_parameters_target_once): Define.
6652         (set_parameters_target_once): New static variable.
6653         (Parameters::Parameters): Move here from parameters.h.
6654         (Parameters::set_target): Rewrite.
6655         (Parameters::set_target_once): New function.
6656         (Parameters::clear_target): Move here and rewrite.
6657         * parameters.h (class Parameters): Update declarations.  Add
6658         set_parameters_target_once_ field.
6659         (Parameters::Parameters): Move to parameters.cc.
6660         (Parameters::clear_target): Likewise.
6661         * readsyms.cc (Read_symbols::do_group): Create a Start_group
6662         task.
6663         (Start_group::~Start_group): New function.
6664         (Start_group::is_runnable): New function.
6665         (Start_group::locks, Start_group::run): New functions.
6666         (Finish_group::run): Change saw_undefined to size_t.
6667         * readsyms.h (class Start_group): Define.
6668         (class Finish_group): Change saw_undefined_ field to size_t.
6669         (Finish_group::Finish_group): Remove saw_undefined and
6670         this_blocker parameters.  Change all callers.
6671         (Finish_group::set_saw_undefined): New function.
6672         (Finish_group::set_blocker): New function.
6673         * symtab.h (class Symbol_table): Change saw_undefined to return
6674         size_t.  Change saw_undefined_ field to size_t.
6675         * target-select.cc (Set_target_once::do_run_once): New function.
6676         (Target_selector::Target_selector): Initialize set_target_once_
6677         field.  Don't initialize lock_ and initialize_lock_ fields.
6678         (Target_selector::instantiate_target): Rewrite.
6679         (Target_selector::set_target): New function.
6680         * target-select.h (class Set_target_once): Define.
6681         (class Target_selector): Update declarations.  Make
6682         Set_target_once a friend.  Remove lock_ and initialize_lock_
6683         fields.  Add set_target_once_ field.
6684
6685 2010-02-10  Ian Lance Taylor  <iant@google.com>
6686
6687         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
6688         queueing any tasks.
6689         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
6690         (queue_middle_tasks): Add all blockers before queueing any tasks.
6691         (queue_final_tasks): Likewise.
6692         * token.h (Task_token::add_blockers): New function.
6693         * object.h (Input_objects::number_of_relobjs): New function.
6694
6695 2010-02-10  Ian Lance Taylor  <iant@google.com>
6696
6697         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
6698         shared, not if not position independent.
6699         * x86_64.cc (Relocate::relocate_tls): Likewise.
6700         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
6701         (tls_pie_pic_test): New target.
6702         * testsuite/Makefile.in: Rebuild.
6703
6704         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
6705         (tls_test_main_pie.o, tls_test_pie.o): New targets.
6706         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
6707         * testsuite/Makefile.in: Rebuild.
6708
6709 2010-02-09  David S. Miller  <davem@davemloft.net>
6710
6711         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
6712         R_SPARC_RELATIVE using ->add_local_relative().
6713         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
6714
6715         * output.h (Output_data_dynamic::add_section_size): New method
6716         that takes two Output_data objects.
6717         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6718         entry param.  Handle it in initializers.
6719         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6720         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6721         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6722         arg.
6723         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6724         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6725         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6726         for dynrel_includes_plt.
6727         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6728         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6729         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6730         before .rela.plt
6731         (Target_sparc::do_finalize_sections): Update to pass true for
6732         dynrel_includes_plt.
6733         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6734         output before .rela.plt
6735         (Target_powerpc::do_finalize_sections): Update to pass true for
6736         dynrel_includes_plt when 32-bit.
6737
6738 2010-02-08  Doug Kwan  <dougkwan@google.com>
6739
6740         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6741         method.
6742         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6743         Arm_relobj::scan_section_for_cortex_a8_stubs,
6744         Arm_relobj::do_relocation_section): Instead of calling
6745         Output_section::output_address, use faster
6746         Arm_relobj::simple_input_section_output_address.
6747
6748 2010-02-08  David S. Miller  <davem@davemloft.net>
6749
6750         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6751         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6752         relocation helper function.
6753
6754         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6755         just like R_SPARC_GOT{10,13,22}.
6756         (Target_sparc::Scan::local): Likewise.
6757         (Target_sparc::Relocate:relocate): Likewise.
6758
6759 2010-02-06  Ian Lance Taylor  <iant@google.com>
6760
6761         * configure.ac: Rewrite targetobjs duplicate removal code to use
6762         only shell constructs.
6763         * configure: Rebuild.
6764
6765 2010-02-05  Doug Kwan  <dougkwan@google.com>
6766
6767         PR 11247
6768         * arm.cc (Arm_relobj::section_is_scannable): New method.
6769         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6770         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6771
6772 2010-02-04  Doug Kwan  <dougkwan@google.com>
6773
6774         PR 11247
6775         * arm-reloc-property.cc (cstdio): Include.
6776         * configure.ac (targetobjs): Remove duplicates.
6777         * configure: Regenerate.
6778         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6779         big and little endian version for a given address size.
6780
6781 2010-02-03  Doug Kwan  <dougkwan@google.com>
6782
6783         * arm-reloc-property.cc
6784         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6785         definition.
6786         * arm-reloc-property.h
6787         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6788         New method definition.
6789         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6790         declaration.
6791         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6792         overflow to N.
6793         (GOT_PREL): Change implemented to Y.
6794         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6795         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6796         (Arm_relocate_functions::movw_abs_nc): Remove method.
6797         (Arm_relocate_functions::movt_abs): Ditto.
6798         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6799         (Arm_relocate_functions::thm_movt_abs): Ditto.
6800         (Arm_relocate_functions::movw_rel_nc): Ditto.
6801         (Arm_relocate_functions::movw_rel): Ditto.
6802         (Arm_relocate_functions::movt_rel): Ditto.
6803         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6804         (Arm_relocate_functions:thm_movw_rel): Ditto.
6805         (Arm_relocate_functions:thm_movt_rel): Ditto.
6806         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6807         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6808         New method definitions.
6809         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6810         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6811         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6812         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6813         (Target_arm::Relocate::relocate): Check for non-static or
6814         unimplemented relocation code and exit early.  Change calls to
6815         Target_arm::reloc_uses_thumb_bit and
6816         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6817         instead.  Refactor code to handle similar relocations to increase
6818         code sharing.  Remove check for unsupported relocation code in switch
6819         statement.
6820         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6821         relocation property table to find out size.  Change error message to
6822         print out the name of a relocation code instead of the numeric value.
6823         (Target_arm::scan_reloc_for_stub): Use relocation property table
6824         instead of calling Target_arm::reloc_uses_thumb_bit().
6825
6826 2010-02-02  Doug Kwan  <dougkwan@google.com>
6827
6828         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6829         types of relaxed input section.
6830
6831 2010-02-02  Doug Kwan  <dougkwan@google.com>
6832
6833         * Makefile.am (HFILES): Add arm-reloc-property.h.
6834         (DEFFILES): New.
6835         (TARGETSOURCES): Add arm-reloc-property.cc
6836         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6837         (libgold_a_SOURCES): $(DEFFILES)
6838         * Makefile.in: Regenerate.
6839         * arm-reloc-property.cc: New file.
6840         * arm-reloc-property.h: New file.
6841         * arm-reloc.def: New file.
6842         * arm.cc: Update comments.
6843         (arm-reloc-property.h): New included header.
6844         (arm_reloc_property_table): New global variable.
6845         (Target_arm::do_select_as_default_target): New method definition.
6846         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6847         arm-reloc-property to targ_extra_obj.
6848         * parameters.cc (set_parameters_target): Call
6849         Target::select_as_default_target().
6850         * target.h (Target::select_as_default_target): New method definition.
6851         (Target::do_select_as_default_target): Same.
6852
6853 2010-02-01  Doug Kwan  <dougkwan@google.com>
6854
6855         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6856         first_output_text_section_.
6857         (Arm_exidx_fixup::first_output_text_section): New method definition.
6858         (Arm_exidx_fixup::first_output_text_section_): New data member.
6859         (Arm_exidx_fixup::process_exidx_section): Record the first text
6860         output section seen.
6861         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6862         and entsize in output section header.
6863
6864 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6865
6866         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6867         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6868         (Arm_relocate_functions::thm_alu11): New Method.
6869         (Arm_relocate_functions::thm_pc8): New Method.
6870         (Arm_relocate_functions::thm_pc12): New Method.
6871         (Target_arm::Scan::local): Handle the relocations.
6872         (Target_arm::Scan::global): Likewise.
6873         (Target_arm::Relocate::relocate): Likewise.
6874         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6875
6876 2010-01-29  Doug Kwan  <dougkwan@google.com>
6877
6878         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6879         of relocation types as ld.
6880
6881 2010-01-29  Doug Kwan  <dougkwan@google.com>
6882
6883         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6884         to public.
6885         (Arm_relocate_functions::thumb_branch_common): Ditto.
6886         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6887         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6888         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6889         Arm_relocate_functions::jump24): Remove.
6890         (Target_arm::Relocate::relocate): Adjust code to call
6891         Arm_relocation_functions::arm_branch_common and
6892         Arm_relocation_functions::thumb_branch_common instead of their removed
6893         wrappers.  Merge switch-cases together to reduce source code size.
6894
6895 2010-01-29  Doug Kwan  <dougkwan@google.com>
6896
6897         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6898         output_local_symbol_count_needs_update_.
6899         (Arm_relobj::output_local_symbol_count_needs_update,
6900          Arm_relobj::set_output_local_symbol_count_needs_update,
6901          Arm_relobj::update_output_local_symbol_count): New methods.
6902         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6903         member.
6904         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6905         of pointed function as in a R_ARM_PREL31 relocation.
6906         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6907         for output local symbol count updating.
6908         (Target_arm::do_relax): Update output local symbol counts in objects
6909         if necessary.
6910         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6911
6912 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6913
6914         * arm.cc: Added support for the ARM relocations:
6915         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6916         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6917         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6918         movw_prel_nc).
6919         (Arm_relocate_functions::movw_rel): New method.
6920         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6921         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6922         thm_movw_prel_nc).
6923         (Arm_relocate_functions::thm_movw_rel): New method.
6924         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6925         thm_movt_prel).
6926         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6927         relocations.
6928         (Target_arm::Scan::global): Likewise.
6929         (Target_arm::Relocate::relocate): Likewise.
6930         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6931         Likewise.
6932
6933 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6934
6935         * arm.cc: Added support for ARM group relocations.
6936         (Target_arm::reloc_needs_sym_origin): New method.
6937         (Arm_relocate_functions::calc_grp_kn): New method.
6938         (Arm_relocate_functions::calc_grp_residual): New method.
6939         (Arm_relocate_functions::calc_grp_gn): New method.
6940         (Arm_relocate_functions::arm_grp_alu): New Method.
6941         (Arm_relocate_functions::arm_grp_ldr): New Method.
6942         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6943         (Arm_relocate_functions::arm_grp_ldc): New Method.
6944         (Target_arm::Scan::local): Handle the ARM group relocations.
6945         (Target_arm::Scan::global): Likewise.
6946         (Target_arm::Relocate::relocate): Likewise.
6947         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6948         Likewise.
6949
6950 2010-01-26  Doug Kwan  <dougkwan@google.com>
6951
6952         * arm.cc (set): Include.
6953         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6954         pointer type.
6955         (Arm_output_section::Text_section_list): New type.
6956         (Arm_output_section::append_text_sections_to_list): New method.
6957         (Arm_output_section::fix_exidx_coverage): Ditto.
6958         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6959         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6960         Relobj::set_section_offset() instead of
6961         Sized_relobj::invalidate_section_offset().
6962         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6963         parameter for section headers. Ignore relocation sections for
6964         unallocated sections and EXIDX sections.
6965         (Target_arm::fix_exidx_coverage): New method.
6966         (Target_arm::output_section_address_less_than): New type.
6967         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6968         linked text section instead of the EXIDX section.
6969         (Arm_output_section::create_stub_group): Add an assertion to check
6970         that this is not an EXIDX output section.
6971         (Arm_output_section::append_text_sections_to_list): New method.
6972         (Arm_output_section::fix_exidx_coverage): Ditto.
6973         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6974         Arm_relobj::section_needs_reloc_stub_scanning.
6975         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6976         first pass.
6977         (Target_arm::fix_exidx_coverage): New method.
6978         * object.h (Relobj::set_output_section): New method.
6979         (Sized_relobj::invalidate_section_offset): Remove method.
6980         (Sized_relobj::do_invalidate_section_offset): Remove method.
6981         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6982
6983 2010-01-25  Doug Kwan  <dougkwan@google.com>
6984
6985         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6986         Fix warning due to signed and unsigned comparison on a 32-bit host.
6987
6988 2010-01-22  Doug Kwan  <dougkwan@google.com>
6989
6990         * arm.cc (Target_arm::do_relax): Record an output section for section
6991         offset adjustment it contains any stub table that has changed.
6992         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6993         offsets in an output section if necessary.
6994         * output.cc (Output_section::Output_section): Initialize
6995         section_offsets_need_adjustments_.
6996         (Output_section::add_input_section_for_script): Renamed to
6997         Output_section::add_simple_input_section.
6998         (Output_section::save_states): Add a comment.
6999         (Output_section::discard_states): New method defintion.
7000         (Output_section::adjust_section_offsets): Same.
7001         * output.h (Output_section::add_input_section_for_script): Renamed to
7002         Output_section::add_simple_input_section.
7003         (Output_section::discard_states): New method declaration.
7004         (Output_section::adjust_section_offsets): Same.
7005         (Output_section::section_offsets_need_adjustment,
7006         Output_section::set_section_offsets_need_adjustment): New method
7007         definitions.
7008         (Output_section::section_offsets_need_adjustment_): New data member.
7009         * script-sections.cc
7010         (Output_section_element_input::set_section_address): Adjust code for
7011         renaming of Output_section::add_input_section_for_script.
7012         (Orphan_output_section::set_section_address): Same.
7013
7014 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7015
7016         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
7017         Fix_v4bx enum values .
7018         * gold/options.h (General_options): New option definitions.
7019         (General_options::fix_v4bx): New method.
7020         (General_options::Fix_v4bx): New enum.
7021         * gold/options.cc (General_options::parse_fix_v4bx): New method.
7022         (General_options::parse_fix_v4bx_interworking): New method.
7023
7024 2010-01-22  Doug Kwan  <dougkwan@google.com>
7025
7026         * arm.cc (Arm_exidx_fixup): New class.
7027
7028 2010-01-21  Doug Kwan  <dougkwan@google.com>
7029
7030         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
7031         classes.
7032         (Arm_exidx_section_offset_map): New type.
7033
7034 2010-01-21  Doug Kwan  <dougkwan@google.com>
7035
7036         * arm.cc (Arm_exidx_input_section): New class.
7037         (Arm_relobj::exidx_input_section_by_link,
7038         Arm_relobj::exidx_input_section_by_shndx,
7039         Arm_relobj::make_exidx_input_section): New methods.
7040         (read_arm_attributes_section): Remove.
7041         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
7042         information about them.
7043         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
7044         to here.
7045
7046 2010-01-20  Doug Kwan  <dougkwan@google.com>
7047
7048         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
7049         Input_section_specifier to Section_id.
7050         (Target_arm::new_arm_input_section: Adjust code for change of key
7051         type.
7052         (Target_arm::find_arm_input_section): Ditto.
7053         * gc.h (object.h): Include for Section_id nand Section_id_hash.
7054         (Section_id): Remove.
7055         (Garbage_collection::Section_id_hash): Remove.
7056         * icf.h (object.h): Include for Section_id nand Section_id_hash.
7057         (Section_id): Remove.
7058         (Icf::Section_id_hash): Remove.
7059         * object.h (Section_id, Const_section_id, Section_id_hash,
7060         Const_section_id_hash): New type definitions.
7061         * output.cc (Output_section::add_relaxed_input_section): Change to
7062         use Const_section_id instead of Input_section_specifier as key type.
7063         (Output_section::add_merge_input_section): Ditto.
7064         (Output_section::build_relaxation_map): Change to use Section_id
7065         instead of Input_section_specifier as key type.
7066         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7067         Ditto.
7068         (Output_section::convert_input_sections_to_relaxed_sections): Change
7069         to use Const_section_id instead of Input_section_specifier as key type.
7070         (Output_section::find_merge_section): Ditto.
7071         (Output_section::find_relaxed_input_section): Ditto.
7072         * output.h (Input_section_specifier): Remove class.
7073         (Output_section::Output_section_data_by_input_section_map): Change
7074         key type to Const_section_id.
7075         (Output_section::Output_relaxed_input_section_by_input_section_map):
7076         Ditto.
7077         (Output_section::Relaxation_map): Change key type to Section_id.
7078
7079 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7080
7081         * gold/arm.cc: Added support for R_ARM_V4BX relocation
7082         (class Arm_v4bx_stub): New class.
7083         (DEF_STUBS): Updated definition to support v4_veneer_bx.
7084         (Stub_factory::make_arm_v4bx_stub): New method.
7085         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
7086         (Stub_table::empty): Handle v4bx stubs.
7087         (Stub_table::add_arm_v4bx_stub): New method.
7088         (Stub_table::find_arm_v4bx_stub): New method.
7089         (Arm_relocate_functions::v4bx): New method.
7090         (Target_arm::fix_v4bx): New method.
7091         (Target_arm::Target_arm): Handle R_ARM_V4BX.
7092         (Stub_table::relocate_stubs): Likewise.
7093         (Stub_table::do_write): Likewise.
7094         (Stub_table::update_data_size_and_addralign): Likewise.
7095         (Stub_table::finalize_stubs):  Likewise.
7096         (Target_arm::Scan::local): Likewise.
7097         (Target_arm::Scan::global): Likewise.
7098         (Target_arm::do_finalize_sections): Likewise.
7099         (Target_arm::Relocate::relocate): Likewise.
7100         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7101         Likewise.
7102         (Target_arm::scan_reloc_for_stub): Likewise.
7103         (Target_arm::scan_reloc_section_for_stubs): Likewise.
7104
7105 2010-01-19  Ian Lance Taylor  <iant@google.com>
7106
7107         * output.cc (Output_section_headers::do_sized_write): Write large
7108         segment count to sh_info field.
7109         (Output_file_header::do_sized_write): For large segment count,
7110         write PN_XNUM to e_phnum field.
7111
7112 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7113
7114         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
7115         (Arm_relocate_functions::thm_jump8): New function.
7116         (Arm_relocate_functions::thm_jump11): New function.
7117         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
7118         R_ARM_THM_JUMP11.
7119         (Target_arm::Scan::global): Likewise.
7120         (Target_arm::Relocate::relocate): Likewise.
7121         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7122         Likewise.
7123
7124 2010-01-14  Doug Kwan  <dougkwan@google.com>
7125
7126         * arm.cc (map, utility): Include headers.
7127         (Target_arm::apply_cortex_a8_workaround): New method.
7128         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
7129         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
7130         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
7131         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
7132         the --[no-]fix-cortex-a8 command line options.
7133         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
7134         (Target_arm::relocate_stub): Use addend in instruction template.
7135         * options.h (DEFINE_bool): Set the user-set flag.
7136         (General_options): Add --[no-]-fix-cortex options.
7137         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
7138         : Update fast look-up map after conversion.
7139
7140 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
7141
7142         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
7143         in the first pass of do_layout.
7144
7145 2010-01-13  Doug Kwan  <dougkwan@google.com>
7146
7147         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7148         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
7149         apparent compiler problem of not folding static constant integral
7150         data members of elfcpp::Elf_sizes<32>.
7151
7152 2010-01-13  Doug Kwan  <dougkwan@google.com>
7153
7154         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7155         Arm_relobj::section_needs_cortex_a8_stub_scanning,
7156         Arm_relobj::scan_section_for_cortex_a8_erratum,
7157         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
7158         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
7159         sections to scan for relocation stubs into a new method
7160         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
7161         relocation and Cortex-A8 stub scanning.
7162         (Target_arm::do_relax): Force stubs to be after stubbed sections
7163         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
7164         the beginning of a new relaxation pass.  Update a comment.
7165         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
7166
7167 2010-01-12  Ian Lance Taylor  <iant@google.com>
7168
7169         * target-reloc.h (visibility_error): New inline function.
7170         (relocate_section): Call visibility_error.
7171         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
7172         (MOSTLYCLEANFILES): Likewise.
7173         (protected_4_pic.o, protected_3.err): New targets.
7174         * testsuite/protected_4.cc: New file.
7175
7176 2010-01-12  Doug Kwan  <dougkwan@google.com>
7177
7178         * arm.cc (Cortex_a8_reloc): New class.
7179         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
7180         and cortex_a8_relocs_info_.
7181         (Target_arm::fix_cortex_a8): New method definition.
7182         (Target_arm::Cortex_a8_relocs_info): New type.
7183         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
7184         New data member declarations.
7185         (Target_arm::scan_reloc_for_stub): Record information about
7186         relocations for THUMB branches that might be exempted from the
7187         Cortex-A8 workaround.
7188         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
7189         at the beginning of a relaxation pass.
7190
7191 2010-01-12  Doug Kwan  <dougkwan@google.com>
7192
7193         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
7194         (Arm_relobj::Mapping_symbol_position,
7195          Arm_reloj::Mapping_symbol_position_less,
7196          Arm_relobj::Mapping_symbols_info): New types.
7197         (Target_arm::is_mapping_symbol_name): New method definition.
7198         (Arm_relobj::do_count_local_symbols): Save information about mapping
7199         symbols.
7200
7201 2010-01-11  Doug Kwan  <dougkwan@google.com>
7202
7203         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
7204         Arm_relocate_functions::thumb32_branch_upper,
7205         Arm_relocate_functions::thumb32_branch_lower,
7206         Arm_relocate_functions::thumb32_cond_branch_offset,
7207         Arm_relocate_functions::thumb32_cond_branch_upper,
7208         Arm_relocate_functions::thumb32_cond_branch_lower,
7209         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
7210         branch offset encoding.
7211         (Arm_relocate_functions::thumb_branch_common): Use new branch
7212         offset encoding methods to avoid code duplication.
7213         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
7214         (Stub_addend_reader::operator()): Use new branch encoding method
7215         to avoid code duplication.
7216
7217 2010-01-11  Doug Kwan  <dougkwan@google.com>
7218
7219         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
7220         (Target_arm::do_finalize_sections): Define special EXIDX section
7221         symbols only if referenced.
7222         * gc.h (Garbage_collection::add_reference): New method.
7223         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
7224         code duplication.
7225
7226 2010-01-11  Ian Lance Taylor  <iant@google.com>
7227
7228         * script.cc (Version_script_info::build_expression_list_lookup):
7229         Change complaing about duplicate wildcard match from error to
7230         warning.
7231
7232         * script.cc (class Lazy_demangler): Recreate--revert part of patch
7233         of 2009-12-30.
7234         (Version_script_info::Version_script_info): Initialize globs_,
7235         default_version_, default_is_global_, and exact_.  Don't
7236         initialize globals_ or locals_.
7237         (Version_script_info::build_lookup_tables): Build local symbols
7238         first.
7239         (Version_script_info::unquote): New function.
7240         (Version_script_info::add_exact_match): New function.
7241         (Version_script_info::build_expression_list_lookup): Remove lookup
7242         parameter.  Add is_global parameter.  Change all callers.  Handle
7243         wildcard pattern specially.  Unquote pattern.  Call
7244         add_exact_match.
7245         (Version_script_info::get_name_to_match): New function.
7246         (Version_script_info::get_symbol_version): New function.
7247         (Version_script_info::get_symbol_version_helper): Remove.
7248         (Version_script_info::check_unmatched_names): Call unquote.
7249         * script.h (class Version_script_info): Change get_symbol_version
7250         to be non-inline and add is_global parameter; change all callers.
7251         Rewrite symbol_is_local.  Update declarations.  Define struct
7252         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
7253         Remove globals_ and locals_ members.  Add exact_, globs_,
7254         default_version_, is_global_.
7255         (Version_script_info::Glob): Remove pattern, add expression and
7256         is_global.  Update constructor.  Change all callers.
7257         * dynobj.cc (Versions::finalize): Mark the version symbol as the
7258         default version.
7259         (Versions::symbol_section_contents): If a symbol is undefined, or
7260         defined in a dynamic object, set the version index to
7261         VER_NDX_LOCAL.
7262         * symtab.cc (Symbol_table::add_from_relobj): Don't call
7263         symbol_is_local.
7264         (Symbol_table::add_from_pluginobj): Likewise.
7265         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
7266
7267 2010-01-11  Doug Kwan  <dougkwan@google.com>
7268
7269         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
7270         (incremental_dump_LDADD): Add linking option for libintl.
7271         * Makefile.in: Regenerate.
7272
7273 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
7274
7275         PR gold/11144
7276         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
7277         instead of -Ds.
7278         * testsuite/Makefile.in: Regenerated.
7279
7280 2010-01-10  Doug Kwan  <dougkwan@google.com>
7281
7282         * options.h (DEFINE_var): Use parentheses around argument varname__
7283         in macro body to avoid any unintended subsequent substitutions.
7284
7285 2010-01-10  Ian Lance Taylor  <iant@google.com>
7286
7287         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
7288         candidates before doing symbol resolution.
7289
7290         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7291         ODR candidates if only one is weak.
7292
7293 2010-01-08  Ian Lance Taylor  <iant@google.com>
7294
7295         * script.cc (Version_script_info::build_expression_list_lookup):
7296         Don't warn about ambiguous version, just record the ambiguity.
7297         (Version_script_info::get_symbol_version_helper): Give error if
7298         version is ambiguous.
7299
7300 2010-01-08  Doug Kwan  <dougkwan@google.com>
7301
7302         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
7303           prev_data_size_ and prev_addralign_.  Remove initializer for
7304           deleted data member has_been_changed_.
7305           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
7306           to determine if the table is empty.
7307           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
7308           Remove.
7309           (Stub_table::add_reloc_stub): Define method in class definition
7310           instead of just declaring it there.
7311           (Stub_table::add_cortex_a8_stub): New method definition.
7312           (Stub_table::update_data_size_and_addralign): Ditto.
7313           (Stub_table::finalize_stubs): Ditto.
7314           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7315           (Stub_table::do_addralign_): Return address alignment in the
7316           (Stub_table::do_reset_address_and_file_offset): Define method in
7317           class definition instead of declaring it there.  Set current data
7318           size to be the data size of the previous pass.
7319           (Stub_table::set_final_data_size): Use current data size as the
7320           final data size.
7321           (Stub_table::relocate_stub): Change parameter type of stub from
7322           Reloc_stub pointer to Stub pointer.
7323           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7324           (Stub_table::Cortex_a8_stub_list): New typedef.
7325           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7326            Stub_table::prev_addralign_): New data member.
7327           (Arm_relobj::Arm_relobj): Initialize data member
7328           section_has_cortex_a8_workaround_.
7329           (Arm_relobj::section_has_cortex_a8_workaround,
7330            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7331            definitions.
7332           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7333           declarations.
7334           (Target_arm::relocate_stub): Change parameter type of stub from
7335           Reloc_stub pointer to Stub pointer.
7336           (Insn_template::size, Insn_template::alignment): Handle
7337           THUMB16_SPECIAL_TYPE.
7338           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7339            Stub_table::update_data_size_and_addralign,
7340            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7341           definitions.
7342           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7343           (Stub_table::do_write): Ditto.
7344           (Target_arm::do_relax): Adjust code for changes in Stub_table.
7345
7346 2010-01-08  Ian Lance Taylor  <iant@google.com>
7347
7348         PR 11108
7349         * symtab.h (class Symbol): Remove fields is_target_special_ and
7350         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7351         (Symbol::is_defined_in_discarded_section): New function.
7352         (Symbol::set_is_defined_in_discarded_section): New function.
7353         (Symbol::has_plt_offset): Rewrite.
7354         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7355         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7356         Don't initialize is_target_special_ or has_plt_offset_.
7357         Initialize is_defined_in_discarded_section_.
7358         (Symbol_table::add_from_relobj): If appropriate, set
7359         is_defined_in_discarded_section.
7360         * resolve.cc (Symbol::override_base_with_special): Don't test
7361         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7362         * target-reloc.h (relocate_section): Do special handling for
7363         symbols defined in discarded sections for global symbols as well
7364         as local symbols.
7365
7366 2010-01-08  Ian Lance Taylor  <iant@google.com>
7367
7368         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7369         the SHT_SYMTAB case.
7370
7371 2010-01-08  Ian Lance Taylor  <iant@google.com>
7372
7373         * object.cc (Sized_relobj::do_layout): Don't get confused if
7374         layout_eh_frame returns NULL.
7375
7376 2010-01-08  Ian Lance Taylor  <iant@google.com>
7377
7378         PR 11084
7379         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7380         dynamic symbol table, use the normal symbol table.
7381         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7382         symbol table.
7383
7384 2010-01-08  Ian Lance Taylor  <iant@google.com>
7385
7386         PR 11072
7387         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7388         sections.
7389
7390 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7391
7392         * version.cc (print_version): Change to "Copyright 2010".
7393
7394 2010-01-08  Ian Lance Taylor  <iant@google.com>
7395
7396         PR 10287
7397         PR 11063
7398         * i386.cc (class Target_i386): Change return type of plt_section
7399         to be non-const.
7400         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7401         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7402         tls_desc_rel_ field.
7403         (Output_data_plt_i386::rel_tls_desc): New function.
7404         (Target_i386::rel_tls_desc_section): New function.
7405         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7406         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7407         R_386_TLS_DESC reloc in rel_tls_desc_section.
7408         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7409         Define struct Tlsdesc_info.
7410         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7411         (Target_x86_64::do_reloc_symbol_index): New function.
7412         (Target_x86_64::add_tlsdesc_info): New function.
7413         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7414         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7415         tlsdesc_rel_ field.
7416         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7417         all callers.
7418         (Output_data_plt_x86_64::rela_tlsdesc): New function.
7419         (Target_x86_64::rela_tlsdesc_section): New function.
7420         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
7421         handling.
7422         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
7423         (Target_x86_64::do_reloc_addend): New function.
7424         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
7425         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
7426         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
7427         (Output_reloc::type): New function.
7428         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
7429         (Output_reloc::is_target_specific): New function.
7430         (Output_reloc::target_arg): New function.
7431         (class Output_reloc) [SHT_RELA]: Add four new constructors for
7432         absolute relocs and target specific relocs.
7433         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
7434         add_target_specific.
7435         (class Output_data_reloc) [SHT_RELA]: Likewise.
7436         * output.cc (Output_reloc::Output_reloc): Add four new versions
7437         for absolute relocs and target specific relocs.
7438         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
7439         (Output_reloc::get_symbol_index): Likewise.
7440         (Output_reloc::local_section_offset): Check that local_sym_index_
7441         is not TARGET_CODE or 0.
7442         (Output_reloc::symbol_value): Likewise.
7443         (Output_reloc::write) [SHT_RELA]: Call target for target specific
7444         reloc.
7445         * target.h (class Target): Add reloc_symbol_index and reloc_addend
7446         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
7447         functions.
7448         * layout.cc (add_target_dynamic_tags): Use output section for
7449         DT_PLTRELSZ and DT_JMPREL.
7450
7451 2010-01-07  Ian Lance Taylor  <iant@google.com>
7452
7453         PR 11061
7454         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
7455         function.
7456         (class Output_data_reloc_generic): Define.
7457         (class Output_data_reloc_base): Change base class to
7458         Output_data_reloc_generic.  Change add() method to call
7459         bump_relative_reloc_count for a relative reloc.  Remove
7460         sort_relocs_ field.
7461         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
7462         to sort_relocs().
7463         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
7464         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
7465         appropriate.
7466         * layout.h (class Layout): Update declaration.
7467
7468 2010-01-07  Ian Lance Taylor  <iant@google.com>
7469
7470         * output.h (class Output_data): Add const version of
7471         output_section and do_output_section.
7472         (class Output_section_data): Add const version of
7473         do_output_section.
7474         (class Output_section): Likewise.
7475         * layout.cc (Layout::add_target_dynamic_tags): New function.
7476         * layout.h (class Layout): Update declarations.
7477         * arm.cc (Target_arm::do_finalize_sections): Use
7478         add_target_dynamic_tags.
7479         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7480         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7481         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7482         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7483
7484 2010-01-07  Ian Lance Taylor  <iant@google.com>
7485
7486         PR 11042
7487         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
7488         object as needed.
7489
7490 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7491             Ian Lance Taylor  <iant@google.com>
7492
7493         PR 11019
7494         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
7495         Xindex::read_symtab_xindex.
7496
7497 2010-01-07  Doug Kwan  <dougkwan@google.com>
7498
7499         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
7500         (Insn_template::thumb16_bcond_insn): New method declaration.
7501         (Insn_template): Fix spelling.
7502         (Stub::thumb16_special): New method declaration.
7503         (Stub::do_write): Define virtual method which was previously pure
7504         virtual.
7505         (Stub::do_thumb16_special): New method declaration.
7506         (Stub::do_fixed_endian_write): New template member.
7507         (Reloc_stub::do_write): Remove.
7508         (Reloc_stub::do_fixed_endian_write): Remove.
7509         (Cortex_a8_stub): New class definition.
7510         (Stub_factory::make_cortex_a8_stub): New method definition.
7511         (Stub_factory::Stub_factory): Add missing static storage class
7512         qualifier for elf32_arm_stub_a8_veneer_blx.
7513
7514 2010-01-07  Ian Lance Taylor  <iant@google.com>
7515
7516         PR 10980
7517         * options.h (class General_options): Add --warn-unresolved-symbols
7518         and --error-unresolved-symbols.
7519         * errors.cc (Errors::undefined_symbol): Implement
7520         --warn-unresolved-symbols.
7521
7522         * options.h (class General_options): Add -z text and -z textoff.
7523         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
7524
7525 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
7526
7527         * gc.h (Garbage_collection::Cident_section_map): New typedef.
7528         (Garbage_collection::cident_sections): New function.
7529         (Garbage_collection::add_cident_section): New function.
7530         (Garbage_collection::cident_sections_): New member.
7531         (gc_process_relocs): Add references to sections whose names are C
7532         identifiers.
7533         * gold.h (cident_section_start_prefix): New constant.
7534         (cident_section_stop_prefix): New constant.
7535         (is_cident): New function.
7536         * layout.cc (Layout::define_section_symbols): Replace string constants
7537         with the newly defined constants.
7538         * object.cc (Sized_relobj::do_layout): Track sections whose names are
7539         C identifiers.
7540         * testsuite/Makefile.am: Add gc_orphan_section_test.
7541         * testsuite/Makefile.in: Regenerate.
7542         * testsuite/gc_orphan_section_test.cc: New file.
7543         * testsuite/gc_orphan_section_test.sh: New file.
7544
7545 2010-01-06  Ian Lance Taylor  <iant@google.com>
7546
7547         PR 10980
7548         * options.h (class General_options): Add --warn-shared-textrel.
7549         * layout.cc (Layout::finish_dynamic_section): Implement
7550         --warn-shared-textrel.
7551
7552         PR 10980
7553         * options.h (class General_options): Add --warn-multiple-gp.
7554
7555 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7556
7557         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
7558         $(THREADSLIB) and $(LIBDL).
7559         * Makefile.in: Rebuild.
7560
7561 2010-01-06  Ian Lance Taylor  <iant@google.com>
7562
7563         PR 10980
7564         * options.cc (General_options::parse_section_start): New function.
7565         (General_options::section_start): New function.
7566         (General_options::General_options): Initialize all members.
7567         * options.h: Include <map>
7568         (class General_options): Add --section-start.  Add section_starts_
7569         member.
7570         * layout.cc (Layout::attach_allocated_section_to_segment): If
7571         --section-start was used, set the address of the segment.  Remove
7572         local sort_sections.
7573         (Layout::relaxation_loop_body): If the address of the load segment
7574         has been set by --section-start, don't use it.
7575         * output.h (Output_segment::update_flags_for_output_section): New
7576         function.
7577         * output.cc (Output_segment::add_output_section): Call
7578         update_flags_for_output_section.
7579
7580 2010-01-05  Ian Lance Taylor  <iant@google.com>
7581
7582         PR 10980
7583         * options.h (class General_options): Add --undefined-version.
7584         * script.cc (struct Version_expression): Add was_matched_by_symbol
7585         field.
7586         (Version_script_info::matched_symbol): New function.
7587         (Version_script_info::get_symbol_version_helper): Call
7588         matched_symbol.
7589         (Version_script_info::check_unmatched_names): New function.
7590         * script.h (class Version_script_info): Update declarations.
7591         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
7592
7593         * options.h (class General_options): Use DEFINE_bool_alias for
7594         allow_multiple_definition.
7595         * resolve.cc (Symbol_table::should_override): Don't test
7596         allow_multiple_definition.
7597
7598         PR 10980
7599         * options.h (class General_options): Add --cref.
7600         * main.cc (main): Print cref table if --cref.  Don't close mapfile
7601         until after printing cref table.
7602         * cref.cc: Include "symtab.h".
7603         (class Cref_inputs): Define Cref_table_compare and Cref_table.
7604         (Cref_table_compare::operator()): New function.
7605         (Cref_inputs::gather_cref): New function.
7606         (filecol): New static const.
7607         (Cref_inputs::print_cref): New function.
7608         (Cref::print_cref): New function.
7609         * cref.h: Include <cstdio>.
7610         (class Cref): Update declarations.
7611         * mapfile.h (Mapfile::file): New function.
7612         * object.h (class Object): Define Symbols.  Declare virtual
7613         do_get_global_symbols.
7614         (Object::get_global_symbols): New function.
7615         * object.cc (Input_objects::add_object): Pass object to cref_ if
7616         --cref.
7617         (Input_objects::archive_start): Likewise.
7618         (Input_objects::archive_stop): Likewise.
7619         (Input_objects::print_cref): New function.
7620         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
7621         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
7622         --cref.
7623         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
7624         function.
7625         * plugin.h (class Sized_pluginobj): Update declarations.
7626
7627 2010-01-05  Ian Lance Taylor  <iant@google.com>
7628
7629         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
7630         to is_default_version.  Rename insdef to insdefault.
7631         (Symbol_table::add_from_relobj): Rename def to is_default_version
7632         and local to is_forced_local.
7633         (Symbol_table::add_from_pluginobj): Likewise.
7634         (Symbol_table::add_from_dynobj): Likewise.
7635         (Symbol_table::define_special_symbol): Rename insdef to
7636         insdefault.
7637
7638 2010-01-04  Ian Lance Taylor  <iant@google.com>
7639
7640         PR 10980
7641         * options.h (class General_options): Add
7642         --allow-multiple-definition and -z muldefs.
7643         * resolve.cc (Symbol_table::should_override): Don't warn about a
7644         multiple symbol definition if --allow-multiple-definition or -z
7645         muldefs.
7646
7647         PR 10980
7648         * options.h (class General_options): Add --add-needed and
7649         --copy-dt-needed-entries.  Tweak --as-needed help entry.
7650         * object.cc (Input_objects::check_dynamic_dependencies): Give an
7651         error if --copy-dt-needed-entries aka --add-needed is used and
7652         would cause a change in behaviour.
7653
7654         PR 10980
7655         * options.h (class General_options): Add -G as a short version of
7656         --shared.  Add no-op options -assert, -g, and -i.
7657
7658 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
7659
7660         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
7661         check for .text or .gnu.linkonce.t sections.
7662         * icf.cc (Icf::find_identical_sections): Ditto.
7663         Change the detection for mangled function name within the section
7664         name.
7665         * icf.h (is_section_foldable_candidate): New function.
7666
7667 2009-12-30  Ian Lance Taylor  <iant@google.com>
7668
7669         PR 10980
7670         * options.h (class General_options): Permit two dashes with
7671         --retain-symbols-file.
7672
7673 2009-12-30  Ian Lance Taylor  <iant@google.com>
7674
7675         PR 10979
7676         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
7677         don't put the file header and segment headers in the text
7678         segment.
7679
7680         PR 10979
7681         * common.cc (Sort_commons::operator()): Stabilize sort when both
7682         entries are NULL.
7683         (Symbol_table::do_allocate_commons_list): When allocating common
7684         symbols, skip a symbol which is no longer common.
7685         * symtab.h (Symbol::is_common): Test whether the symbol comes from
7686         an object before checking its type.
7687         * testsuite/common_test_2.c: New file.
7688         * testsuite/common_test_3.c: New file.
7689         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
7690         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
7691         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
7692         (common_test_2_pic.o, common_test_2.so): New targets.
7693         (common_test_3_pic.o, common_test_3.so): New targets.
7694         * testsuite/Makefile.in: Rebuild.
7695
7696         PR 10979
7697         * script.cc (read_input_script): If we see a new SECTIONS clause,
7698         and we have added an input section, give an error.
7699         * layout.h (class Layout): Add have_added_input_section function.
7700         Add have_added_input_section_ field.
7701         * layout.cc (Layout::Layout): Initialize
7702         have_added_input_section_.
7703         (Layout::layout): Set have_added_input_section_.
7704         (Layout::layout_eh_frame): Likewise.
7705
7706 2009-12-30  Ian Lance Taylor  <iant@google.com>
7707
7708         PR 10931
7709         * options.h (class General_options): Add --sort-common option.
7710         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
7711         * common.cc (Sort_common): Add sort_order parameter to
7712         constructor.  Add sort_order_ field.
7713         (Sort_commons::operator): Check sort_order_.
7714         (Symbol_table::allocate_commons): Determine the sort order.
7715         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7716         Change all callers.
7717         (Symbol_table::do_allocate_commons_list): Likewise.
7718
7719 2009-12-30  Ian Lance Taylor  <iant@google.com>
7720
7721         PR 10916
7722         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7723         symbols from this object, don't change the visibility of an
7724         undefined symbol.
7725         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7726
7727 2009-12-30  Ian Lance Taylor  <iant@google.com>
7728
7729         PR 10861
7730         * script.h (class Version_script_info): Define Language enum.
7731         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7732         new fields globals_, locals_, and is_finalized_.
7733         * script.cc: Various formatting fixes.
7734         (class Parser_closure): Change language_stack_ from a vector of
7735         std::string to one of Version_script_info::Language.  Adjust all
7736         uses accordingly.
7737         (class Lazy_demangler): Remove.
7738         (struct Version_expression): Change language from std::string to
7739         Version_script_info::Language.
7740         (Version_script_info::Version_script_info): New function.
7741         (Version_script_info::~Version_script_info): Don't call clear.
7742         (Version_script_info::finalize): New function.
7743         (Version_script_info::build_lookup_tables): New function.
7744         (Version_script_info::build_expression_list_lookup): New
7745         function.
7746         (Version_script_info::get_symbol_version_helper): Rewrite to use
7747         lookup tables.
7748         (Version_script_info::print_expression_list): Adjust to use
7749         Version_script_info::Language.
7750         (script_push_lex_into_version_mode): Check that the version script
7751         has not been finalized.
7752         (version_script_push_lang): Change language string to
7753         Version_script_info::Language.
7754         * options.cc (Command_line::version_script): New function.
7755         * options.h (class General_options): Add finalize_dynamic_list
7756         function.  Change version_script from declaration to definition.
7757         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7758         * testsuite/version_script.map: Remove duplicate def of foo.
7759         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7760         version_script.map.
7761         * testsuite/Makefile.in: Rebuild.
7762
7763 2009-12-30  Ian Lance Taylor  <iant@google.com>
7764
7765         PR 10843
7766         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7767         if the input symbol index is 0, make the output symbol index 0.
7768
7769 2009-12-30  Ian Lance Taylor  <iant@google.com>
7770
7771         PR 10670
7772         * options.h (class General_options): Add -x/--discard-all.
7773         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7774         --discard-all.  If the local symbol needs a dynamic entry, check
7775         that before handling --discard-locals.
7776
7777 2009-12-30  Ian Lance Taylor  <iant@google.com>
7778
7779         PR 10450
7780         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7781         flags to PF_R.
7782         (Output_segment::add_output_section): Don't change the flags if
7783         the type is PT_TLS.
7784
7785         PR 10450
7786         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7787         GNU hash table if they need a dynamic value.  Otherwise, don't add
7788         them if they are defined in a dynamic object or are forced local.
7789
7790 2009-12-29  Ian Lance Taylor  <iant@google.com>
7791
7792         PR 10450
7793         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7794         .gnu.hash table for a 32-bit target.
7795
7796         PR 10450
7797         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7798         regular and a dynamic object only needs a dynamic symbol table
7799         entry if it is externally visible.
7800
7801         PR 10450
7802         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7803         constructor.  Add global_offset_table_ field.
7804         (Target_i386::got_section): Set global_offset_table_.
7805         (Target_i386::do_finalize_sections): Set global_offset_table_
7806         size.
7807         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7808         in constructor.  Add global_offset_table_ field.
7809         (Target_x86_64::got_section): Set global_offset_table_.
7810         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7811         size.
7812
7813         * layout.cc (Layout::Layout): Initialize increase_relro_.
7814         (Layout::get_output_section): Add is_relro, is_last_relro, and
7815         is_first_non_relro parameters.  Change all callers.
7816         (Layout::choose_output_section): Likewise.
7817         (Layout::add_output_section_data): Likewise.
7818         (Layout::make_output_section): Likewise.
7819         (Layout::set_segment_offsets): Clear increase_relro when using a
7820         linker script.
7821         * layout.h (class Layout): Add increase_relro method.  Add
7822         increase_relro_ field.  Update declarations.
7823         * output.cc (Output_section::Output_section): Initialize
7824         is_last_relro_ and is_first_non_relro_.
7825         (Output_segment::add_output_section): Group relro sections is
7826         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7827         (Output_segment::maximum_alignment): Remove relro handling.
7828         (Output_segment::set_section_addresses): Add increase_relro
7829         parameter.  Change all callers.  Add initial alignment to align
7830         relro sections on separate page.  Remove old relro handling.
7831         (Output_segment::set_section_list_addresses): Remove in_relro
7832         parameter.  Change all callers.
7833         (Output_segment::set_offset): Add increase parameter.  Change all
7834         callers.  Remove old relro handling.
7835         * output.h (class Output_section): Add new methods: is_last_relro,
7836         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7837         Add is_last_relro_ and is_first_non_relro_ fields.
7838         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7839         Create separate .got.plt section.  Call increase_relro.
7840         * x86_64.cc (Target_x86_64::got_section): Likewise.
7841         * testsuite/relro_script_test.t: Add .got.plt.
7842
7843         PR 10450
7844         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7845         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7846         (Layout::finalize): Call set_dynamic_symbol_size.
7847         (Layout::set_dynamic_symbol_size): New function.
7848         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7849         set_dynamic_symbol_size.
7850
7851         PR 10450
7852         * output.h (class Output_section): Add is_entsize_zero_ field.
7853         * output.cc (Output_section::Output_section): Initialize
7854         is_entsize_zero_.
7855         (Output_section::set_entsize): If two different entsizes are
7856         requested, force it to zero.
7857         (Output_section::add_input_section): Set flags for .debug_str
7858         before updating section flags.  Set entsize.
7859         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7860         and SHF_STRING if all input sections have those flags.
7861
7862 2009-12-29   Rafael Espindola  <espindola@google.com>
7863
7864         * main.cc (main): Fix the sys time reporting.
7865         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7866         reporting.
7867
7868 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7869
7870         * options.cc (General_options::parse_version): Allow -v to exit
7871         without an error if there is nothing to link.
7872
7873 2009-12-29  Ian Lance Taylor  <iant@google.com>
7874
7875         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7876         using a version of gcc before 4.1.
7877         * configure: Rebuild.
7878
7879 2009-12-28  Chris Demetriou  <cgd@google.com>
7880
7881         * attributes.cc (Output_attributes_section_data::do_write): Use
7882         std::vector::front rather than std::vector::data.
7883
7884 2009-12-28  Ian Lance Taylor  <iant@google.com>
7885
7886         * symtab.h (class Symbol_table): Add enum Defined.
7887         * resolve.cc (Symbol_table::should_override): Add defined
7888         parameter.  Change all callers.  Test whether object is NULL
7889         before calling a method on it.
7890         (Symbol_table::report_resolve_problem): Add defined parameter.
7891         Change all callers.
7892         (Symbol_table::should_override_with_special): Likewise.
7893         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7894         parameter.  Change all callers.
7895         (Symbol_table::do_define_in_output_data): Likewise.
7896         (Symbol_table::define_in_output_segment): Likewise.
7897         (Symbol_table::do_define_in_output_segment): Likewise.
7898         (Symbol_table::define_as_constant): Likewise.
7899         (Symbol_table::do_define_as_constant): Likewise.
7900         * script.h (class Symbol_assignment): Add is_defsym parameter to
7901         constructor; change all callers.
7902         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7903         parameter.  Change all callers.  Add is_defsym_ field.
7904         (class Parser_closure): Add parsing_defsym parameter to
7905         constructor; change all callers.  Add parsing_defsym accessor
7906         function.  Add parsing_defsym_ field.
7907
7908 2009-12-28  Ian Lance Taylor  <iant@google.com>
7909
7910         * gold.cc (queue_middle_tasks): Fix formatting.
7911         * object.cc (Relobj::is_section_name_included): Likewise.
7912
7913 2009-12-23  Ian Lance Taylor  <iant@google.com>
7914
7915         * i386.cc (Target_i386::do_calls_non_split): Recognize
7916         -fsplit-stack prologue for a function with a static chain.
7917         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7918         -fsplit-stack prologue when using %r11.
7919
7920 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7921
7922         * options.cc (General_options::parse_version): Make -v continue and do
7923         the link like GNU ld does.
7924
7925 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7926
7927         * Makefile.am (CCFILES): Add timer.cc.
7928         (HFILES): Add timer.h.
7929         * configure.ac: Check for sysconf and times.
7930         * main.cc: include timer.h.
7931         (main): Use Timer instead of get_run_time.
7932         * timer.cc: New.
7933         * timer.h: New.
7934         * workqueue.cc: include timer.h.
7935         (Workqueue::find_and_run_task):
7936         Report user, sys and wall time.
7937         * Makefile.in: Regenerate.
7938         * config.in: Regenerate.
7939         * configure: Regenerate.
7940
7941 2009-12-16  Doug Kwan  <dougkwan@google.com>
7942
7943         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7944         sections.
7945         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7946         relaxed input sections.
7947         * output.cc (Output_section::find_relaxed_input_section): Change
7948         return type to Output_relaxed_input_section pointer.  Adjust code
7949         for new type of relaxed_input_section_map_.
7950         * output.h (Output_section::find_relaxed_input_section): Change
7951         return type to Output_relaxed_input_section pointer.
7952         (Output_section::Output_relaxed_input_section_by_input_section_map):
7953         New type.
7954         (Output_section::relaxed_input_section_map_): Change type to
7955         Output_section::Output_relaxed_input_section_by_input_section_map.
7956         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7957         input section.
7958
7959 2009-12-15  Ian Lance Taylor  <iant@google.com>
7960
7961         * layout.cc (Layout::create_shstrtab): Only write out after input
7962         sections if we are compressing debug sections.
7963
7964 2009-12-15  Ian Lance Taylor  <iant@google.com>
7965
7966         * archive.cc (Archive::add_symbols): Only look up a symbol without
7967         a version if there is, in fact, a version.
7968
7969 2009-12-14  Ian Lance Taylor  <iant@google.com>
7970
7971         Revert -Wshadow changes, all changes from:
7972         2009-12-11  Doug Kwan  <dougkwan@google.com>
7973         2009-12-11  Nick Clifton  <nickc@redhat.com>
7974         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7975
7976 2009-12-11  Doug Kwan  <dougkwan@google.com>
7977
7978         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7979         due to -Wshadow.
7980         * attributes.cc (Object_attribute::size): Ditto.
7981         (Attributes_section_data::size): Ditto.
7982         (Attributes_section_data::Attributes_section_data): Ditto.
7983         (Output_attributes_section_data::do_write): Ditto.
7984         * attributes.h (Object_attribute::set_type): Ditto.
7985         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7986
7987 2009-12-11  Nick Clifton  <nickc@redhat.com>
7988
7989         * archive.cc: Fix shadowed variable warnings.
7990         * arm.cc: Likewise.
7991         * compressed_output.cc: Likewise.
7992         * compressed_output.h: Likewise.
7993         * configure: Likewise.
7994         * dwarf_reader.cc: Likewise.
7995         * dynobj.cc: Likewise.
7996         * dynobj.h: Likewise.
7997         * ehframe.cc: Likewise.
7998         * ehframe.h: Likewise.
7999         * errors.cc: Likewise.
8000         * expression.cc: Likewise.
8001         * fileread.cc: Likewise.
8002         * fileread.h: Likewise.
8003         * freebsd.h: Likewise.
8004         * i386.cc: Likewise.
8005         * icf.cc: Likewise.
8006         * incremental.h: Likewise.
8007         * layout.cc: Likewise.
8008         * layout.h: Likewise.
8009         * mapfile.cc: Likewise.
8010         * merge.cc: Likewise.
8011         * merge.h: Likewise.
8012         * object.cc: Likewise.
8013         * object.h: Likewise.
8014         * options.h: Likewise.
8015         * output.cc: Likewise.
8016         * output.h: Likewise.
8017         * parameters.cc: Likewise.
8018         * plugin.cc: Likewise.
8019         * powerpc.cc: Likewise.
8020         * reduced_debug_output.cc: Likewise.
8021         * reduced_debug_output.h: Likewise.
8022         * reloc.cc: Likewise.
8023         * reloc.h: Likewise.
8024         * resolve.cc: Likewise.
8025         * script-sections.cc: Likewise.
8026         * script.cc: Likewise.
8027         * script.h: Likewise.
8028         * sparc.cc: Likewise.
8029         * symtab.cc: Likewise.
8030         * symtab.h: Likewise.
8031         * target-select.cc: Likewise.
8032         * target-select.h: Likewise.
8033         * token.h: Likewise.
8034         * workqueue.cc: Likewise.
8035         * workqueue.h: Likewise.
8036         * x86_64.cc: Likewise.
8037
8038 2009-12-10  Doug Kwan  <dougkwan@google.com>
8039
8040         * arm.cc (attributes.h): New include.
8041         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
8042         (Arm_relobj::~Arm_relobj): Delete object pointed by
8043         attributes_section_data_.
8044         (Arm_relobj::attributes_section_data): New method definition.
8045         (Arm_relobj::attributes_section_data_): New data member declaration.
8046         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
8047         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
8048         attributes_section_data_.
8049         (Arm_dynobj::attributes_section_data): New method definition.
8050         (Arm_dynobj::attributes_section_data_): New data member declaration.
8051         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
8052         initialization value of may_use_blx_ to false.
8053         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
8054         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
8055         object attributes to compute results instead of hard-coding.
8056         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
8057         Target_arm::get_secondary_compatible_arch,
8058         Target_arm::set_secondary_compatible_arch
8059         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8060         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
8061         New method declarations.
8062         (Target_arm::get_aeabi_object_attribute): New method definition.
8063         (Target_arm::attributes_section_data_): New data member declaration.
8064         (read_arm_attributes_section): New template definition.
8065         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
8066         (Arm_dynobj::do_read_symbols): Ditto.
8067         (Target_arm::do_finalize_sections): Merge attributes sections from
8068         input.  Check for BLX use after attributes section merging.
8069         Fix __exidx_start and __exidx_end visibility.  Create an
8070         .ARM.attributes section if necessary.
8071         (Target_arm::get_secondary_compatible_arch,
8072         Target_arm::set_secondary_compatible_arch,
8073         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8074         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
8075         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
8076         New method definitions.
8077
8078 2009-12-09  Ian Lance Taylor  <iant@google.com>
8079
8080         * plugin.cc (Plugin::load): Don't cast from void* to a function
8081         pointer.
8082
8083 2009-12-09  Ian Lance Taylor  <iant@google.com>
8084
8085         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
8086         information fields.
8087
8088 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
8089
8090         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
8091         Replace two_file_shared_1.so with two_file_shared_2.so.
8092         * testsuite/Makefile.in: Regenerated.
8093
8094 2009-12-08  Doug Kwan  <dougkwan@google.com>
8095
8096         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
8097         (HFILES): Add attributes.h and int_encoding.h.
8098         * Makefile.in: Regenerate.
8099         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
8100         function definitions to int_encoding.cc
8101         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
8102         prototypes to int_encoding.h
8103         * reduced_debug_output.cc (int_encoding.h): New include.
8104         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
8105         function definitions to int_encoding.cc
8106         (insert_into_vector, read_from_pointer): Move template definitions to
8107         int_encoding.h
8108         * attributes.cc: New file.
8109         * attributes.h: New file.
8110         * int_encoding.cc: New file.
8111         * int_encoding.h: New file.
8112
8113 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
8114
8115         PR gold/11055
8116         * incremental-dump.cc (dump_incremental_inputs): New.
8117         (main): Use dump_incremental_inputs.
8118
8119 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
8120
8121         PR gold/10893
8122         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
8123         checking elfcpp::STT_FUNC.
8124         (Target_i386::Relocate::relocate): Likewise.
8125         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
8126
8127         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
8128         symbols from shared libraries into normal FUNC symbols.
8129
8130         * symtab.h (Symbol): Add is_func and use it.
8131
8132 2009-12-05  Doug Kwan  <dougkwan@google.com>
8133
8134         * arm.cc (Target_arm::arm_info): Initialize new fields
8135         attributes_section and attributes_vendor.
8136         * i386.cc (Target_i386::i386_info): Same.
8137         * object.cc (Sized_relobj::do_layout): Skip attribute section.
8138         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
8139         fields attributes_section and attributes_vendor.
8140         * sparc.cc (Target_sparc::sparc_info): Same.
8141         * target.h (Target::attributes_section, Target::attributes_vendor,
8142         Target::is_attributes_section, Target::attribute_arg_type,
8143         Target::attributes_order): New method definitions.
8144         (Target::Target_info::attributes_section,
8145         Target::Target_info::attributes_vendor): New fields.
8146         (Target::do_attribute_arg_type, Target::do_attributes_order): New
8147         virtual method definitions.
8148         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
8149         attributes_section and attributes_vendor.
8150         * testsuite/testfile.cc (Target_test::test_target_info): Same.
8151
8152 2009-12-05  Doug Kwan  <dougkwan@google.com>
8153
8154         * arm.cc: Update comments about interworking and stub generation.
8155         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
8156         considered as non-PIC.
8157         (Arm_relocate_functions::base_abs): Fix formatting.
8158         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
8159         of function to use GOT entry address instead of offset.
8160         (Target_arm::Scan::global): Issue an error if a symbol would need a
8161         PLT does not get one because it is untyped.  Remove code to create
8162         dynamic symbols for relative branches.
8163         (Target_arm::Relocate::relocate: Use 0 instead of false since function
8164         takes unsigned integer instead of boolean.
8165
8166 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
8167
8168         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
8169         (two_file_test_LDADD): Likewise.
8170         (common_test_1_LDADD): Likewise.
8171         (exception_test_LDADD) Likewise.
8172         (weak_test_LDADD): Likewise.
8173         (many_sections_test_LDADD): Likewise.
8174         (initpri1_LDADD): Likewise.
8175         (script_test_1_LDADD): Likewise.
8176         (script_test_2_LDADD): Likewise.
8177         (justsyms_LDADD): Likewise.
8178         (binary_test_LDADD): Likewise.
8179         (large_LDADD): Likewise.
8180         * testsuite/Makefile.in: Regenerated.
8181
8182 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
8183
8184         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
8185         (Symbol_table::override_with_special): Likewise.
8186         (Symbol_table::add_from_object): Likewise.
8187
8188 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8189
8190         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8191         Don't set the data_offset twice.
8192
8193 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8194
8195         * testsuite/Makefile.in: Regenerate.
8196
8197 2009-12-03  Doug Kwan  <dougkwan@google.com>
8198
8199         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
8200         (Target_arm::do_finalize_sections): Add parameter for symbol table
8201         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
8202         * i386.cc (Target_i386::do_finalize_sections): Add an additional
8203         parameter for symbol table pointer.
8204         * layout.cc (Layout::finalize): Call Target::finalize_sections with
8205         an additional parameter for a pointer to symbol table.
8206         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
8207         parameter for a symbol table pointer.
8208         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
8209         * target.h (Target::finalize_sections, Target::do_finalize_sections):
8210         Ditto.
8211         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
8212         parameter for a symbol table pointer.
8213
8214 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
8215
8216         * incremental.cc (Incremental_inputs_header)
8217         (Incremental_inputs_header_write, Incremental_inputs_entry)
8218         (Incremental_inputs_entry_write): Move ...
8219         * incremental.h (Incremental_inputs_header)
8220         (Incremental_inputs_header_write, Incremental_inputs_entry)
8221         (Incremental_inputs_entry_write): here.
8222
8223 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8224
8225         * incremental.cc (make_sized_incremental_binary): Set the target.
8226         Error if it is incompatible.
8227         * output.h (Output_file): Add filename method.
8228
8229 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8230
8231         * incremental.cc (Incremental_inputs_entry): Remove unused argument
8232         from the get_* methods.
8233
8234 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8235
8236         * incremental-dump.cc (main): Check that the offeset of a script is 0.
8237         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8238         Write 0 for the data_offset of scripts.
8239
8240 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8241
8242         * testsuite/Makefile.am: Add the incremental_test.sh test.
8243         * testsuite/incremental_test.sh: New.
8244         * testsuite/incremental_test_1.c: New.
8245         * testsuite/incremental_test_2.c: New.
8246
8247 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
8248
8249        * incremental-dump.cc (main): Fix typos.
8250
8251 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
8252
8253         PR gold/11025
8254         * incremental-dump.cc (main): Use llu to print 64 bit values.
8255
8256 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
8257             H.J. Lu  <hongjiu.lu@intel.com>
8258
8259         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
8260         $(LIBDL).
8261         (incremental_dump_LDADD): Likewise.
8262         * Makefile.in: Regenerated.
8263
8264 2009-11-25  Doug Kwan  <dougkwan@google.com>
8265
8266         Revert:
8267
8268         2009-11-25  Doug Kwan  <dougkwan@google.com>
8269
8270                 * arm.cc (Target_arm::Target_arm): Move method definition
8271                 outside of class definition.  Add code to handle
8272                 --target1-rel, --target1-abs and --target2= options.
8273                 (Target_arm::get_reloc_reloc_type): Change method to be
8274                 non-static and const.
8275                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
8276                 New data member declaration.
8277                 (Target_arm::Scan::local, Target_arm::Scan::global,
8278                 Target_arm::Relocate::relocate,
8279                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8280                 Adjust call to Target_arm::get_real_reloc_type.
8281                 (Target_arm::get_real_reloc_type): Use command line options
8282                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8283                 * options.h (--target1-rel, --target1-abs, --target2): New
8284                 ARM-only options.
8285
8286 2009-11-25  Doug Kwan  <dougkwan@google.com>
8287
8288         * arm.cc (Target_arm::Target_arm): Move method definition outside of
8289         class definition.  Add code to handle --target1-rel, --target1-abs
8290         and --target2= options.
8291         (Target_arm::get_reloc_reloc_type): Change method to be non-static
8292         and const.
8293         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
8294         member declaration.
8295         (Target_arm::Scan::local, Target_arm::Scan::global,
8296         Target_arm::Relocate::relocate,
8297         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8298         call to Target_arm::get_real_reloc_type.
8299         (Target_arm::get_real_reloc_type): Use command line options to
8300         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8301         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
8302         options.
8303
8304 2009-11-25  Doug Kwan  <dougkwan@google.com>
8305
8306         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
8307         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
8308         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
8309         formatting.
8310         (Arm_relocate_functions::thm_call): Replace body with a call to
8311         Arm_relocate_functions::thumb_branch_common.
8312         (Arm_relocate_functions::thm_jump24,
8313         Arm_relocate_functions::thm_xpc22): New method definitions.
8314         (Arm_relocate_functions::thumb_branch_common): New method definition.
8315         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8316         operator.
8317         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8318         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8319
8320 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8321
8322         * Makefile.am: Build incremental-dump
8323         * Makefile.in: Regenerate.
8324         * incremental-dump.cc: New.
8325         * incremental.cc (Incremental_inputs_header_data,
8326         Incremental_inputs_entry_data): Move to incremental.h
8327         * incremental.h: (Incremental_inputs_header_data,
8328         Incremental_inputs_entry_data): Move from incremental.cc
8329
8330 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8331
8332         * incremental.cc (Incremental_inputs_header,
8333         Incremental_inputs_header_write, Incremental_inputs_entry,
8334         Incremental_inputs_entry_write): Add a typedef with the data type.
8335
8336 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8337
8338         * incremental.cc (Incremental_inputs_header,
8339         Incremental_inputs_header_write, Incremental_inputs_entry,
8340         Incremental_inputs_entry_write): Update comment about which
8341         type has the filed descriptions.
8342
8343 2009-11-15  Doug Kwan  <dougkwan@google.com>
8344
8345         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8346         (Arm_relocate_functions::arm_branch_common): Change method defintion
8347         in class definition to a method declaration and update list of formal
8348         parameters.
8349         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8350         Arm_relocation_functions::jump24): Adjust call to
8351         Arm_relocate_functions::arm_branch_common.  Update list of formal
8352         parameters.
8353         (Arm_relocate_functions::xpc25): New method definition.
8354         (Arm_relocate_functions::arm_branch_common): Move method defintion
8355         out from class definition.  Use stubs for mode-switching and extending
8356         branch ranges.
8357         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8358         specially.  Change code to enable use of stubs in ARM branches.
8359
8360 2009-11-10  Doug Kwan  <dougkwan@google.com>
8361
8362         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8363         in method declaration.
8364         (Target_arm::relocate_stub): New method declaration.
8365         (Target_arm::default_target): Change to return a pointer instead of
8366         a const reference.
8367         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8368         Target_arm::default_target.
8369         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8370         method definition.
8371         (Target_arm::relocate_section): Adjust view.
8372         (Target_arm::relocate_stub): New method definition.
8373
8374 2009-11-10  Doug Kwan  <dougkwan@google.com>
8375
8376         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8377         a format warning.
8378         * incremental.cc (open_incremental_binary): Initialized local
8379         variables to avoid warnings.
8380         * object.cc (make_elf_object): Ditto.
8381         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8382         a format warning.
8383
8384 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8385
8386         PR gold/10930
8387         * testsuite/plugin_test.c: Include "config.h".
8388
8389 2009-11-09  Doug Kwan  <dougkwan@google.com>
8390
8391         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8392         (arm_symbol_value): Remove.
8393         (Arm_relocate_functions::arm_branch_common,
8394         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8395         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8396         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8397         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8398         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8399         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8400         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8401         Arm_relocate_functions::thm_mobw_abs_nc,
8402         Arm_relocate_functions::thm_mov_abs,
8403         Arm_relocate_functions::movw_prel_nc,
8404         Arm_relocate_functions::thm_movt_abs,
8405         Arm_relocate_functions::movt_prel,
8406         Arm_relocate_functions::thm_movw_prel_nc,
8407         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8408         (Target_arm::Relocate::relocate): Only decompose address into two
8409         parts if relocation type uses the thumb-bit and pass the actual
8410         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8411         calls to methods in Arm_relocate_functions for this change.
8412
8413 2009-11-08  Ian Lance Taylor  <iant@google.com>
8414
8415         PR 10925
8416         * reloc.cc: Instantiate
8417         Sized_relobj::initialize_input_to_output_maps and
8418         Sized_relobj:free_input_to_output_maps.
8419
8420 2009-11-06  Ian Lance Taylor  <iant@google.com>
8421
8422         PR 10876
8423         * defstd.cc (in_segment): Set only_if_ref true for "end".
8424
8425 2009-11-06  Doug Kwan  <dougkwan@google.com>
8426
8427         * arm.cc (class Reloc_stub): Correct a comment.
8428         (Target_arm::Target_arm): Initialize arm_input_section_map_.
8429         (Target_arm::scan_section_for_stubs): New method declaration.
8430         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
8431         Change methods from private to protected.
8432         (Target_arm::do_may_relax): New method definition.
8433         (Target_arm::do_relax, Target_arm::group_sections,
8434         Target_arm::scan_reloc_for_stub,
8435         Target_arm::scan_reloc_section_for_stubs): New method declarations.
8436         (Target_arm::arm_input_section_map_): New data member declaration.
8437         (Target_arm::scan_reloc_for_stub,
8438         Target_arm::scan_reloc_section_for_stubs,
8439         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
8440         Target_arm::do_relax): New method definitions.
8441
8442 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
8443
8444         * configure.ac: Check for (struct stat)::st_mtim
8445         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
8446         * config.in: Regenerate.
8447         * configure: Regenerate.
8448
8449 2009-11-05  Ian Lance Taylor  <iant@google.com>
8450
8451         PR 10910
8452         * output.cc (Output_segment::add_output_section): Add missing
8453         return statement.
8454
8455 2009-11-04  Ian Lance Taylor  <iant@google.com>
8456
8457         PR 10880
8458         * object.h (class Object): Add is_needed and set_is_needed
8459         methods.  Add is_needed_ field.  Make bool fields into bitfields.
8460         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
8461         defined in a dynamic object and referenced by a regular object,
8462         set is_needed for the dynamic object.
8463         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
8464         if the file is marked with as_needed and it is not needed.
8465
8466 2009-11-04  Ian Lance Taylor  <iant@google.com>
8467
8468         PR 10887
8469         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
8470         tags if data is discarded by linker script.
8471         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8472         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8473         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8474         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8475
8476 2009-11-04  Ian Lance Taylor  <iant@google.com>
8477
8478         * layout.cc (Layout::get_output_section): Add is_interp and
8479         is_dynamic_linker_section parameters.  Change all callers.
8480         (Layout::choose_output_section): Likewise.
8481         (Layout::make_output_section): Likewise.
8482         (Layout::add_output_section_data): Add is_dynamic_linker_section
8483         parameter.  Change all callers.
8484         * layout.h (class Layout): Update declarations.
8485         * output.h (class Output_section): Add is_interp, set_is_interp,
8486         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
8487         Add is_interp_, is_dynamic_linker_section_ fields.  Change
8488         generate_code_fills_at_write_ to a bitfield.
8489         * output.cc (Output_section::Output_sections): Initialize new
8490         fields.
8491         (Output_segment::add_output_section): Add do_sort parameter.
8492         Change all callers.
8493
8494 2009-11-03  Ian Lance Taylor  <iant@google.com>
8495
8496         PR 10860
8497         * options.h (class General_options): Add --warn-common.
8498         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
8499         merging two common symbols.
8500         (Symbol_table::should_override): Handle --warn-common when merging
8501         a common symbol with a defined symbol.  Use report_resolve_problem
8502         for multiple definitions.
8503         (Symbol_table::report_resolve_problem): New function.
8504         * symtab.h (class Symbol_table): Declare report_resolve_problem.
8505
8506 2009-11-03  Doug Kwan  <dougkwan@google.com>
8507
8508         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
8509         stub_factory_.
8510         (Target_arm::stub_factory): New method definition.
8511         (Target_arm::new_arm_input_section,
8512         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
8513         Target_arm::reloc_uses_thumb_bit): New method declarations.
8514         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
8515         New type definitions.
8516         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
8517         member declarations.
8518         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
8519         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
8520         New method definitions.
8521
8522 2009-11-03  Ian Lance Taylor  <iant@google.com>
8523
8524         * options.h (class General_options): Add --warn_constructors.
8525
8526 2009-11-03  Ian Lance Taylor  <iant@google.com>
8527
8528         PR 10893
8529         * defstd.cc (in_section): Add entries for __rel_iplt_start,
8530         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
8531
8532 2009-11-03  Ian Lance Taylor  <iant@google.com>
8533
8534         PR 10895
8535         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
8536         --msgid-bugs-address.
8537         (install-pdf): New target.
8538         (install-data_yes): Look up one directory to find mkinstalldirs.
8539
8540 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
8541
8542         * po/Make-in (.po.gmo): Don't generate .gmo files in source
8543         tree.
8544
8545 2009-10-30  Doug Kwan  <dougkwan@google.com>
8546
8547         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
8548
8549 2009-10-30  Doug Kwan  <dougkwan@google.com>
8550
8551         * arm.cc (Stub_addend_reader): New struct template definition
8552         and partial specializations.
8553         (Stub_addend_reader::operator()): New method definition for a
8554         partially specialized template.
8555
8556 2009-10-30  Doug Kwan  <dougkwan@google.com>
8557
8558         * arm.cc (Arm_relobj::processor_specific_flags): New method
8559         definition.
8560         (Arm_relobj::do_read_symbols): New method declaration.
8561         (Arm_relobj::processor_specific_flags_): New data member declaration.
8562         (Arm_dynobj): New class definition.
8563         (Target_arm::do_finalize_sections): Add input_objects parameter.
8564         (Target_arm::do_adjust_elf_header): New method declaration.
8565         (Target_arm::are_eabi_versions_compatible,
8566         (Target_arm::merge_processor_specific_flags): New method declaration.
8567         (Target_arm::do_make_elf_object): New overloaded method definitions
8568         and declaration.
8569         (Arm_relobj::do_read_symbols): New method definition.
8570         (Arm_dynobj::do_read_symbols): Ditto.
8571         (Target_arm::do_finalize_sections): Add input_objects parameters.
8572         Merge processor-specific flags from all input objects.
8573         (Target_arm::are_eabi_versions_compatible,
8574         Target_arm::merge_processor_specific_flags,
8575         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
8576         New method definitions.
8577         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
8578         Input_objects pointer type parameter.
8579         * layout.cc (Layout::finalize): Pass input objects to target's.
8580         finalize_sections function.
8581         * output.cc (Output_file_header::do_sized_write): Set ELF file
8582         header's processor-specific flags.
8583         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
8584         Input_objects pointer type parameter.
8585         * sparc.cc (Target_sparc::do_finalize_sections): Same.
8586         * target.h (Input_objects): New forward class declaration.
8587         (Target::processor_specific_flags,
8588         Target::are_processor_specific_flags_sect): New method definitions.
8589         (Target::finalize_sections): Add input_objects parameter.
8590         (Target::Target): Initialize processor_specific_flags_ and
8591         are_processor_specific_flags_set_.
8592         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
8593         parameter.
8594         (Target::set_processor_specific_flags): New method definition.
8595         (Target::processor_specific_flags_,
8596         Target::are_processor_specific_flags_set_): New data member
8597         declarations.
8598         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
8599         Input_objects pointer type parameter.
8600
8601 2009-10-30  Doug Kwan  <dougkwan@google.com>
8602
8603         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
8604
8605 2009-10-28  Ian Lance Taylor  <iant@google.com>
8606
8607         * object.h (class Relobj): Drop options parameter from
8608         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
8609         do_scan_relocs, do_relocate.  Change all callers.
8610         (class Sized_relobj): Drop options parameters from
8611         do_gc_process_relocs, do_scan_relocs, do_relocate,
8612         do_relocate_sections, relocate_sections, emit_relocs_scan,
8613         emit_relocs_scan_reltype.  Change all callers.
8614         (struct Relocate_info): Remove options field and all references to
8615         it.
8616         * reloc.h (class Read_relocs): Remove options constructor
8617         parameter and options_ field.  Change all callers.
8618         (class Gc_process_relocs, class Scan_relocs): Likewise.
8619         (class Relocate_task): Likewise.
8620         * target-reloc.h (scan_relocs): Remove options parameter.  Change
8621         all callers.
8622         (scan_relocatable_relocs): Likewise.
8623         * target.h (class Sized_target): Remove options parameter from
8624         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
8625         all callers.
8626         * gc.h (gc_process_relocs): Remove options parameter.  Change all
8627         callers.
8628         * arm.cc: Update functions to remove options parameters.
8629         * i386.cc: Likewise.
8630         * powerpc.cc: Likewise.
8631         * sparc.cc: Likewise.
8632         * x86_64.cc: Likewise.
8633         * testsuite/testfile.cc: Likewise.
8634
8635 2009-10-28  Doug Kwan  <dougkwan@google.com>
8636
8637         * arm.cc (Arm_relobj): New class definition.
8638         (Arm_relobj::scan_sections_for_stubs,
8639         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
8640         New method definitions.
8641
8642 2009-10-28  Cary Coutant  <ccoutant@google.com>
8643
8644         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
8645         (Plugin::cleanup_done_): New member.
8646         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
8647         (Plugin_manager::cleanup_done_): Remove.
8648         (Plugin_manager::add_input_file): Edit error message.
8649         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
8650         (Plugin_manager::cleanup): Remove use of cleanup_done_.
8651
8652 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
8653
8654         * fileread.cc: (File_read::View::~View): Use the new
8655         data_ownership_ filed.
8656         (File_read::~File_read): Dispose the new whole_file_view_.
8657         (File_read::open): Mmap the whole file if needed.
8658         (File_read::open): Use whole_file_view_ instead of contents_.
8659         (File_read::find_view): Use whole_file_view_ if applicable.
8660         (File_read::do_read): Use whole_file_view_ instead of contents_.
8661         (File_read::make_view): Use whole_file_view_ instead of contents_,
8662         update File_read::View::View call.
8663         (File_read::find_or_make_view): Update File_read::View::View
8664         call.
8665         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
8666         remove contents_
8667         (File_read::View::Data_ownership): New enum.
8668         (File_read::View::View): Replace bool mapped_ with Data_ownership
8669         argument.
8670         (File_read::View::mapped_): Remove (replaced by data_ownership_).
8671         (File_read::View::data_ownership_): New field.
8672         (File_read::contents_): Remove (replaced by whole_file_view_).
8673         (File_read::whole_file_view_): New field.
8674         * options.h (class General_options): Add --keep-files-mapped.
8675
8676 2009-10-27  Cary Coutant  <ccoutant@google.com>
8677
8678         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
8679         * testsuite/Makefile.am (plugin_test_5): New test case.
8680         * testsuite/Makefile.in: Regenerate.
8681
8682 2009-10-25  Doug Kwan  <dougkwan@google.com>
8683
8684         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
8685         from private to protected to allow access by child class.
8686         (Sized_relobj::do_relocate_sections): New method declaration.
8687         (Sized_relobj::relocate_sections): Virtualize.
8688         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
8689         Sized_relobj::relocate_sections.  Instantiate template explicitly
8690         for different target sizes and endianity.
8691
8692 2009-10-24  Doug Kwan  <dougkwan@google.com>
8693
8694         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
8695         (Arm_input_section::as_arm_input_section): New method.
8696         (Arm_output_section): New class definition.
8697         (Arm_output_section::create_stub_group,
8698         Arm_output_section::group_sections): New method definitions.
8699
8700 2009-10-22  Doug Kwan  <dougkwan@google.com>
8701
8702         * arm.cc (Arm_input_section): New class definition.
8703         (Arm_input_section::init, Arm_input_section:do_write,
8704         Arm_input_section::set_final_data_size,
8705         Arm_input_section::do_reset_address_and_file_offset): New method
8706         definitions.
8707
8708 2009-10-21  Doug Kwan  <dougkwan@google.com>
8709
8710         * arm.cc (Stub_table, Arm_input_section): New forward class
8711         declarations.
8712         (Stub_table): New class defintion.
8713         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
8714         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
8715         New method definition.
8716
8717 2009-10-21  Doug Kwan  <dougkwan@google.com>
8718
8719         * arm.cc: Update copyright comments.
8720         (Target_arm): New forward class template declaration.
8721         (Arm_address): New type.
8722         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8723         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8724         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8725         constants.
8726         (Insn_template): Same.
8727         (DEF_STUBS): New macro.
8728         (Stub_type): New enum type.
8729         (Stub_template): New class definition.
8730         (Stub): Same.
8731         (Reloc_stub): Same.
8732         (Stub_factory): Same.
8733         (Target_arm::Target_arm): Initialize may_use_blx_ and
8734         should_force_pic_veneer_.
8735         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8736         Target_arm::should_force_pic_veneer,
8737         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8738         Target_arm::using_thumb_only, Target_arm:;default_target): New
8739         method defintions.
8740         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8741         New data member declarations.
8742         (Insn_template::size, Insn_template::alignment): New method defintions.
8743         (Stub_template::Stub_template): New method definition.
8744         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8745         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8746         (Stub_factory::Stub_factory): New method definition.
8747         * gold.h (string_hash): New template.
8748         * output.h (Input_section_specifier::hash_value): Use
8749         gold::string_hash.
8750         (Input_section_specifier::string_hash): Remove.
8751         * stringpool.cc (Stringpool_template::string_hash): Use
8752         gold::string_hash.
8753
8754 2009-10-20  Doug Kwan  <dougkwan@google.com>
8755
8756         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8757         symbols of relaxed input sections.
8758         * output.h (Output_section::find_relaxed_input_section): Make
8759         method public.
8760
8761 2009-10-16  Doug Kwan  <dougkwan@google.com>
8762
8763         * dynobj.cc (Versions::Versions): Initialize version_script_.
8764         Only insert base version symbol definition for a shared object
8765         if version script defines any version versions.
8766         (Versions::define_base_version): New method definition.
8767         (Versions::add_def): Check that base version is not needed.
8768         (Versions::add_need): Define base version lazily.
8769         * dynobj.h (Versions::define_base_version): New method declaration.
8770         (Versions::needs_base_version_): New data member declaration.
8771         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8772         (check_DATA): Add no_version_test.stdout.
8773         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8774         New make rules.
8775         * testsuite/Makefile.in: Regenerate.
8776         * testsuite/no_version_test.c: New file.
8777         * testsuite/no_version_test.sh: Ditto.
8778
8779 2009-10-16  Doug Kwan  <dougkwan@google.com>
8780
8781         * expression.cc (class Segment_start_expression): New class definition.
8782         (Segment_start_expression::value): New method definition.
8783         (script_exp_function_segment_start): Return a new
8784         Segment_start_expression.
8785         * gold/script-c.h (script_saw_segment_start_expression): New function
8786         prototype.
8787         * script-sections.cc (Script_sections::Script_sections): Initialize
8788         SAW_SEGMENT_START_EXPRESSION_ to false.
8789         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8790         and -Tbbs options to specify section addresses if given in
8791         command line and no SEGMENT_START expression is seen in a script.
8792         * script-sections.h (Script_sections::saw_segment_start_expression,
8793         Script_sections::set_saw_segment_start_expression): New method
8794         definition.
8795         (Script_sections::saw_segment_start_expression_): New data member
8796         declaration.
8797         * script.cc (script_saw_segment_start_expression): New function.
8798         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8799         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8800         script_test_7.sh and script_test_8.sh.
8801         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8802         script_test_8.stdout.
8803         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8804         (script_test_6, script_test_6.stdout, script_test_7,
8805         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8806         * Makefile.in: Regenerate.
8807         * testsuite/script_test_6.sh: New file.
8808         * testsuite/script_test_6.t: Same.
8809         * testsuite/script_test_7.sh: Same.
8810         * testsuite/script_test_7.t: Same.
8811         * testsuite/script_test_8.sh: Same.
8812
8813 2009-10-16  Doug Kwan  <dougkwan@google.com>
8814
8815         * output.cc (Output_segment::set_section_list_address): Cast
8816         expressions to unsigned long long type to avoid format warnings.
8817
8818 2009-10-15  Ian Lance Taylor  <iant@google.com>
8819
8820         * script.cc (Script_options::add_symbol_assignment): Always add a
8821         dot assignment to script_sections_.
8822         * script-sections.cc (Script_sections::add_dot_assignment):
8823         Initialize if necessary.
8824
8825         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8826         program headers with no load segment if there is a linker script.
8827
8828         * layout.cc (Layout::set_segment_offsets): Align the file offset
8829         to the segment aligment for -N or -n with no load segment.
8830         * output.cc (Output_segment::add_output_section): Don't crash if
8831         the first section is a TLS section.
8832         (Output_segment::set_section_list_addresses): Print an error
8833         message if the address moves backward in a linker script.
8834         * script-sections.cc
8835         (Output_section_element_input::set_section_addresses): Don't
8836         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8837         (Orphan_output_section::set_section_addresses): Likewise.
8838
8839 2009-10-15  Doug Kwan  <dougkwan@google.com>
8840
8841         * layout.cc (Layout::finish_dynamic_section): Generate tags
8842         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8843         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8844         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8845
8846 2009-10-14  Ian Lance Taylor  <iant@google.com>
8847
8848         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8849         fields.
8850         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8851         data_shdr fields of relinfo.
8852         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8853         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8854         R_386_TLS_LDO_32, adjust based on section flags.
8855         (Target_i386::Relocate::fix_up_ldo): Remove.
8856
8857 2009-10-13  Ian Lance Taylor  <iant@google.com>
8858
8859         Add support for -pie.
8860         * options.h (class General_options): Add -pie and
8861         --pic-executable.
8862         (General_options::output_is_position_independent): Test -pie.
8863         (General_options::output_is_executable): Return true if not shared
8864         and not relocatable.
8865         (General_options::output_is_pie): Remove.
8866         * options.cc (General_options::finalize): Reject incompatible uses
8867         of -pie.
8868         * gold.cc (queue_middle_tasks): A -pie link is not static.
8869         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8870         * symtab.cc (Symbol::final_value_is_known): Return false if
8871         output_is_position_independent.
8872         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8873         output_is_position_independent.
8874         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8875         output_is_position_independent.
8876         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8877         output_is_position_independent.
8878         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8879         two_file_pie_test.
8880         (basic_pie_test.o, basic_pie_test): New targets.
8881         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8882         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8883         (two_file_pie_test): New target.
8884         * testsuite/Makefile.in: Rebuild.
8885         * README: Remove note saying that -pie is not supported.
8886
8887 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8888
8889         * options.h (class General_options): Add -init and -fini.
8890         * layout.cc (Layout::finish_dynamic_section): Emit
8891         given init and fini functions.
8892
8893 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8894
8895         * gc.h (gc_process_relocs): Check if icf is enabled using new
8896         function.
8897         * gold.cc (queue_initial_tasks): Likewise.
8898         (queue_middle_tasks): Likewise.
8899         * object.cc (do_layout): Likewise.
8900         * symtab.cc (is_section_folded): Likewise.
8901         * main.cc (main): Likewise.
8902         * reloc.cc (Read_relocs::run): Likewise.
8903         (Sized_relobj::do_scan_relocs): Likewise.
8904         * icf.cc (is_function_ctor_or_dtor): New function.
8905         (Icf::find_identical_sections): Check if function is ctor or dtor when
8906         safe icf is chosen.
8907         * options.h (General_options::icf): Change option to be an enum.
8908         (Icf_status): New enum.
8909         (icf_enabled): New method.
8910         (icf_safe_folding): New method.
8911         (set_icf_status): New method.
8912         (icf_status_): New variable.
8913         * (options.cc) (General_options::finalize): Set icf_status_.
8914         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8915         icf_test and icf_keep_unique_test to use the --icf enum flag.
8916         * testsuite/icf_safe_test.sh: New file.
8917         * testsuite/icf_safe_test.cc: New file.
8918
8919 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8920
8921         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8922         includes to gc.h and icf.h.
8923         * arm.cc: Include gc.h.
8924         * gold.cc: Likewise.
8925         * i386.cc: Likewise.
8926         * powerpc.cc: Likewise.
8927         * sparc.cc: Likewise.
8928         * x86_64.cc: Likewise.
8929         * gc.h: Include icf.h.
8930
8931 2009-10-11  Ian Lance Taylor  <iant@google.com>
8932
8933         * plugin.cc: Include "gold.h" before other header files.
8934
8935 2009-10-10  Chris Demetriou  <cgd@google.com>
8936
8937         * options.h (Input_file_argument::Input_file_type): New enum.
8938         (Input_file_argument::is_lib_): Replace with...
8939         (Input_file_argument::type_): New member.
8940         (Input_file_argument::Input_file_argument): Take Input_file_type
8941         'type' rather than boolean 'is_lib' as second argument.
8942         (Input_file_argument::is_lib): Use type_.
8943         (Input_file_argument::is_searched_file): New function.
8944         (Input_file_argument::may_need_search): Handle is_searched_file.
8945         * options.cc (General_options::parse_library): Support -l:filename.
8946         (General_options::parse_just_symbols): Update for Input_file_argument
8947         changes.
8948         (Command_line::process): Likewise.
8949         * archive.cc (Archive::get_file_and_offset): Likewise.
8950         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8951         * script.cc (read_script_file, script_add_file): Likewise.
8952         * fileread.cc (Input_file::Input_file): Likewise.
8953         (Input_file::will_search_for): Handle is_searched_file.
8954         (Input_file::open): Likewise.
8955         * readsyms.cc (Read_symbols::get_name): Likewise.
8956         * testsuite/Makefile.am (searched_file_test): New test.
8957         * testsuite/Makefile.in: Regenerate.
8958         * testsuite/searched_file_test.cc: New file.
8959         * testsuite/searched_file_test_lib.cc: New file.
8960
8961 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8962             Ian Lance Taylor  <iant@google.com>
8963
8964         * descriptor.cc: Include <cstdio> and "binary-io.h".
8965         (Descriptors::open): Open the files in binary mode always.
8966         * script.cc (Lex::get_token): Treat \r as whitespace.
8967
8968 2009-10-09  Ian Lance Taylor  <iant@google.com>
8969
8970         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8971
8972 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8973             Ian Lance Taylor  <iant@google.com>
8974
8975         * configure.ac: Check for readv function also.
8976         * fileread.cc (readv): Define if not HAVE_READV.
8977         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8978         does not exist.
8979         * config.in: Regenerate.
8980         * configure: Regenerate.
8981
8982 2009-10-09  Doug Kwan  <dougkwan@google.com>
8983
8984         * layout.cc (Layout::make_output_section): Call target hook to make
8985         ordinary output section.
8986         (Layout::finalize): Adjust parameter list of call the
8987         Target::may_relax().
8988         * layout.h (class Layout::section_list): New method.
8989         * merge.h (Output_merge_base::entsize): Change visibility to public.
8990         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8991         New methods.
8992         (Output_merge_string::do_is_string): New method.
8993         * object.cc (Sized_relobj::do_setup): renamed from
8994         Sized_relobj::set_up.
8995         * object.h (Sized_relobj::adjust_shndx,
8996         Sized_relobj::initializ_input_to_output_maps,
8997         Sized_relobj::free_input_to_output_maps): Change visibilities to
8998         protected.
8999         (Sized_relobj::setup): Virtualize.
9000         (Sized_relobj::do_setup): New method declaration.
9001         (Sized_relobj::invalidate_section_offset,
9002         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
9003         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
9004         * options.cc (parse_int): New function.
9005         * options.h (parse_int): New declaration.
9006         (DEFINE_int): New macro.
9007         (stub_group_size): New option.
9008         * output.cc (Output_section::Output_section): Initialize memebers
9009         merge_section_map_, merge_section_by_properties_map_,
9010         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
9011         (Output_section::add_input_section): Handled deferred code-fill
9012         generation and remove an old comment.
9013         (Output_section::add_relaxed_input_section): New method definition.
9014         (Output_section::add_merge_input_section): Use merge section by
9015         properties map to speed to search.  Update merge section maps
9016         as appropriate.
9017         (Output_section::build_relaxation_map): New method definition.
9018         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9019         Same.
9020         (Output_section::relax_input_section): Renamed to
9021         Output_section::convert_input_sections_to_relaxed_sections and change
9022         interface to take a vector of pointers to relaxed sections.
9023         (Output_section::find_merge_section,
9024         Output_section::find_relaxed_input_section): New method definitions.
9025         (Output_section::is_input_address_mapped,
9026         Output_section::output_offset, Output_section::output_address):
9027         Use output section data maps to speed up searching.
9028         (Output_section::find_starting_output_address): Add comments.
9029         (Output_section::do_write,
9030         Output_section::write_to_postprocessing_buffer): Do code-fill
9031         generation as appropriate.
9032         (Output_section::get_input_sections): Invalidate relaxed input section
9033         map.
9034         (Output_section::restore_states): Adjust type of checkpoint .
9035         Invalidate relaxed input section map.
9036         * output.h (Output_merge_base): New class declaration.
9037         (Input_section_specifier): New class defintion.
9038         (class Output_relaxed_input_section) Change base class to
9039         Output_section_data_build.
9040         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
9041         base class initializer.
9042         (Output_section::add_relaxed_input_section): New method declaration.
9043         (Output_section::Input_section): Change visibility to protected.
9044         (Output_section::Input_section::relobj,
9045         Output_section::Input_section::shndx): Handle relaxed input sections.
9046         Output_section::input_sections) Change visibility to protected.  Also
9047         define overload to return a non-const pointer.
9048         (Output_section::Merge_section_properties): New class defintion.
9049         (Output_section::Merge_section_by_properties_map,
9050         Output_section::Output_section_data_by_input_section_map,
9051         Output_section::Relaxation_map): New types.
9052         (Output_section::relax_input_section): Rename method to
9053         Output_section::convert_input_sections_to_relaxed_sections and change
9054         interface to take a vector of relaxed section pointers.
9055         (Output_section::find_merge_section,
9056         Output_section::find_relaxed_input_section,
9057         Output_section::build_relaxation_map,
9058         Output_section::convert_input_sections_in_list_to_relaxed_sections):
9059         New method declarations.
9060         (Output_section::merge_section_map_
9061         Output_section::merge_section_by_properties_map_,
9062         Output_section::relaxed_input_section_map_,
9063         Output_section::is_relaxed_input_section_map_valid_,
9064         Output_section::generate_code_fills_at_write_): New data members.
9065         * script-sections.cc
9066         (Output_section_element_input::set_section_addresses): Call
9067         current_data_size and addralign methods of relaxed input sections.
9068         (Orphan_output_section::set_section_addresses): Call current_data_size
9069         and addralign methods of relaxed input sections.
9070         * symtab.cc (Symbol_table::compute_final_value): Extract template
9071         from the body of Symbol_table::sized_finalize_symbol.
9072         (Symbol_table::sized_finalized_symbol): Call
9073         Symbol_table::compute_final_value.
9074         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
9075         (Symbol_table::compute_final_value): New templated method declaration.
9076         * target.cc (Target::do_make_output_section): New method defintion.
9077         * target.h (Target::make_output_section): New method declaration.
9078         (Target::relax): Add more parameters for input objects, symbol table
9079         and layout.  Adjust call to do_relax.
9080         (Target::do_make_output_section): New method declaration.
9081         (Target::do_relax): Add parameters for input objects, symbol table
9082         and layout.
9083
9084 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9085
9086         * pread.c: Include stdio.h.
9087
9088 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9089
9090         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
9091         defined.
9092
9093 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9094
9095         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
9096         Change read_shndx type to unsigned int.
9097         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9098         int.
9099         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9100         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
9101         Change read_shndx type to unsigned int.
9102         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9103         int.
9104         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9105         * layout.cc (Layout::create_symtab_sections): Cast the result of
9106         local_symcount * symsize to off_t in the gold_assert.
9107
9108 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9109
9110         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
9111         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
9112         R_ARM_BASE_ABS.
9113         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
9114         (Arm_relocate_functions::thm_abs5): New function.
9115         (Arm_relocate_functions::abs12): New function.
9116         (Arm_relocate_functions::abs16): New function.
9117         (Arm_relocate_functions::base_abs): New function.
9118         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
9119         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
9120         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
9121         R_ARM_BASE_ABS.
9122         (Scan::global): Likewise.
9123         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
9124         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
9125         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
9126         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
9127         R_ARM_BASE_ABS.
9128
9129 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9130
9131         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
9132         (Arm_relocate_functions::movt_prel): New function.
9133         (Arm_relocate_functions::thm_movw_prel_nc): New function.
9134         (Arm_relocate_functions::thm_movt_prel): New function.
9135         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
9136         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
9137         (Scan::global, Relocate::relocate): Likewise.
9138         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9139
9140 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9141
9142         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
9143         Incremental_checker.
9144         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
9145         unsigned int.
9146         (class Incremental_inputs_header): New class.
9147         (Incremental_inputs_header_writer): Edit comment.
9148         (Incremental_inputs_entry): New class.
9149         (Incremental_inputs_entry_writer): Edit comment.
9150         (Sized_incremental_binary::do_find_incremental_inputs_section):
9151         Add *strtab_shndx parameter, fill it.
9152         (Sized_incremental_binary::do_check_inputs): New method.
9153         (Incremental_checker::can_incrementally_link_output_file): Use
9154         Sized_incremental_binary::check_inputs.
9155         (Incremental_inputs::report_command_line): Save command line in
9156         command_line_.
9157         * incremental.h:
9158         (Incremental_binary::find_incremental_inputs_section): New
9159         method.
9160         (Incremental_binary::do_find_incremental_inputs_section): Add
9161         strtab_shndx parameter.
9162         (Incremental_binary::do_check_inputs): New pure virtual method.
9163         (Sized_incremental_binary::do_check_inputs): Declare.
9164         (Incremental_checker::Incremental_checker): Add incremental_inputs
9165         parameter, use it to initialize incremental_inputs_.
9166         (Incremental_checker::incremental_inputs_): New field.
9167         (Incremental_checker::command_line): New method.
9168         (Incremental_checker::inputs): New method.
9169         (Incremental_checker::command_line_): New field.
9170
9171 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9172
9173         * incremental.cc: Include <cstdarg> and "target-select.h".
9174         (vexplain_no_incremental): New function.
9175         (explain_no_incremental): New function.
9176         (Incremental_binary::error): New method.
9177         (Sized_incremental_binary::do_find_incremental_inputs_section): New
9178         method.
9179         (make_sized_incremental_binary): New function.
9180         (open_incremental_binary): New function.
9181         (can_incrementally_link_file): Add checks if output is ELF and has
9182         inputs section.
9183         * incremental.h: Include "elfcpp_file.h" and "output.h".
9184         (Incremental_binary): New class.
9185         (Sized_incremental_binary): New class.
9186         (open_incremental_binary): Declare.
9187         * object.cc (is_elf_object): Use
9188         elfcpp::Elf_recognizer::is_elf_file.
9189         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
9190         * output.h (Output_file::filesize): New method.
9191
9192 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9193
9194         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
9195         New function.
9196         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
9197         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
9198         function.
9199         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
9200         function.
9201         (Arm_relocate_functions::movw_abs_nc): New function.
9202         (Arm_relocate_functions::movt_abs): New function.
9203         (Arm_relocate_functions::thm_movw_abs_nc): New function.
9204         (Arm_relocate_functions::thm_movt_abs): New function.
9205         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
9206         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
9207         (Scan::global): Likewise.
9208         (Relocate::relocate): Likewise.
9209         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9210
9211 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9212
9213         * arm.cc (Arm_relocate_functions::got_prel) New function.
9214         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
9215         (Relocate::relocate): Likewise.
9216         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9217
9218 2009-10-06  Ian Lance Taylor  <iant@google.com>
9219
9220         * options.h (class General_options): Define
9221         split_stack_adjust_size parameter.
9222         * object.h (class Object): Add uses_split_stack_ and
9223         has_no_split_stack_ fields.  Add uses_split_stack and
9224         has_no_split_stack accessor functions.  Declare
9225         handle_split_stack_section.
9226         (class Reloc_symbol_changes): Define.
9227         (class Sized_relobj): Define Function_offsets.  Declare
9228         split_stack_adjust, split_stack_adjust_reltype, and
9229         find_functions.
9230         * object.cc (Object::handle_split_stack_section): New function.
9231         (Sized_relobj::do_layout): Call handle_split_stack_section.
9232         * dynobj.cc (Sized_dynobj::do_layout): Call
9233         handle_split_stack_section.
9234         * reloc.cc (Sized_relobj::relocate_sections): Call
9235         split_stack_adjust for executable sections in split_stack
9236         objects.  Pass reloc_map to relocate_section.
9237         (Sized_relobj::split_stack_adjust): New function.
9238         (Sized_relobj::split_stack_adjust_reltype): New function.
9239         (Sized_relobj::find_functions): New function.
9240         * target-reloc.h: Include "object.h".
9241         (relocate_section): Add reloc_symbol_changes parameter.  Change
9242         all callers.
9243         * target.h (class Target): Add calls_non_split method.  Declare
9244         do_calls_non_split virtual method.  Declare match_view and
9245         set_view_to_nop.
9246         * target.cc: Include "elfcpp.h".
9247         (Target::do_calls_non_split): New function.
9248         (Target::match_view): New function.
9249         (Target::set_view_to_nop): New function.
9250         * gold.cc (queue_middle_tasks): Give an error if mixing
9251         split-stack and non-split-stack objects with -r.
9252         * i386.cc (Target_i386::relocate_section): Add
9253         reloc_symbol_changes parameter.
9254         (Target_i386::do_calls_non_split): New function.
9255         * x86_64.cc (Target_x86_64::relocate_section): Add
9256         reloc_symbol_changes parameter.
9257         (Target_x86_64::do_calls_non_split): New function.
9258         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
9259         parameter.
9260         * powerpc.cc (Target_powerpc::relocate_section): Add
9261         reloc_symbol_changes parameter.
9262         * sparc.cc (Target_sparc::relocate_section): Add
9263         reloc_symbol_changes parameter.
9264         * configure.ac: Call AM_CONDITIONAL for the default target.
9265         * configure: Rebuild.
9266         * testsuite/Makefile.am (TEST_AS): New variable.
9267         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
9268         (check_DATA): Add split_i386 and split_x86_64 files.
9269         (SPLIT_DEFSYMS): Define.
9270         (split_i386_[1234n].o): New targets.
9271         (split_i386_[124]): New targets.
9272         (split_i386_[1234r].stdout): New targets.
9273         (split_x86_64_[1234n].o): New targets.
9274         (split_x86_64_[124]): New targets.
9275         (split_x86_64_[1234r].stdout): New targets.
9276         (MOSTLYCLEANFILES): Add new executables.
9277         * testsuite/split_i386.sh: New file.
9278         * testsuite/split_x86_64.sh: New file.
9279         * testsuite/split_i386_1.s: New file.
9280         * testsuite/split_i386_2.s: New file.
9281         * testsuite/split_i386_3.s: New file.
9282         * testsuite/split_i386_4.s: New file.
9283         * testsuite/split_i386_n.s: New file.
9284         * testsuite/split_x86_64_1.s: New file.
9285         * testsuite/split_x86_64_2.s: New file.
9286         * testsuite/split_x86_64_3.s: New file.
9287         * testsuite/split_x86_64_4.s: New file.
9288         * testsuite/split_x86_64_n.s: New file.
9289         * testsuite/testfile.cc (Target_test): Update relocation_section
9290         function.
9291         * testsuite/Makefile.in: Rebuild.
9292
9293 2009-10-06  Ian Lance Taylor  <iant@google.com>
9294
9295         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
9296         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
9297         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9298         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9299         the address on ldo_addrs_.
9300         (Target_i386::Relocate::fix_up_ldo): New function.
9301
9302 2009-10-06   Rafael Espindola  <espindola@google.com>
9303
9304         * plugin.cc (add_input_library): New.
9305         (Plugin::load): Add add_input_library to tv.
9306         (Plugin_manager::add_input_file): Add the is_lib argument.
9307         (add_input_file): Update call to Plugin_manager::add_input_file.
9308         (add_input_library): New.
9309         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
9310
9311 2009-09-30  Doug Kwan  <dougkwan@google.com>
9312
9313         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9314         symbol and call Symbol::may_need_copy_reloc to determine if
9315         a copy reloc is needed.
9316         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9317         nocopyreloc is given in command line.
9318         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9319         given in command line.
9320         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9321         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9322         of the removed Target_i386::may_need_copy_reloc.
9323         * options.h (copyreloc): New option with default value false.
9324         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9325         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9326         instead of the removed Target_powerpc::may_need_copy_reloc.
9327         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9328         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9329         instead of the removed Target_sparc::may_need_copy_reloc.
9330         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9331         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9332         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9333         instead of the removed Target_x86_64::may_need_copy_reloc.
9334
9335 2009-09-30  Ian Lance Taylor  <iant@google.com>
9336
9337         * object.h (class Object): Remove target_ field, and target,
9338         sized_target, and set_target methods.
9339         (Object::sized_target): Remove.
9340         (class Sized_relobj): Update declarations.  Remove sized_target.
9341         * object.cc (Sized_relobj::setup): Remove target parameter.
9342         Change all callers.
9343         (Input_objects::add_object): Don't do anything with the target.
9344         (make_elf_sized_object): Add punconfigured parameter.  Change all
9345         callers.  Set or test parameter target.
9346         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9347         Change all callers.
9348         * parameters.cc (Parameters::set_target): Change parameter type to
9349         be non-const.
9350         (Parameters::default_target): Remove.
9351         (set_parameters_target): Change parameter type to be non-const.
9352         (parameters_force_valid_target): New function.
9353         (parameters_clear_target): New function.
9354         * parameters.h (class Parameters): Update declarations.  Remove
9355         default_target method.  Add sized_target and clear_target
9356         methods.  Change target_ to be non-const.
9357         (set_parameters_target): Update declaration.
9358         (parameters_force_valid_target): Declare.
9359         (parameters_clear_target): Declare.
9360         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9361         as NULL if we aren't searching.
9362         (Add_symbols::run): Don't check for compatible target.
9363         * fileread.cc (Input_file::open_binary): Call
9364         parameters_force_valid_target.
9365         * gold.cc (queue_middle_tasks): Likewise.
9366         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9367         set_target on object.
9368         * dynobj.h (class Sized_dynobj): Update declarations.
9369         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9370         make_elf_object returns NULL.
9371         (Archive::include_member): Don't check whether object target is
9372         compatible.
9373         * output.cc (Output_section::add_input_section): Get target from
9374         parameters.
9375         (Output_section::relax_input_section): Likewise.
9376         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9377         parameters.
9378         (Sized_relobj::do_scan_relocs): Likewise.
9379         (Sized_relobj::relocate_sections): Likewise.
9380         * resolve.cc (Symbol_table::resolve): Likewise.
9381         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9382         parameter.  Change all callers.
9383         (Symbol_table::add_from_object): Get target from parameters.
9384         (Symbol_table::add_from_relobj): Don't check object target.
9385         (Symbol_table::add_from_dynobj): Likewise.
9386         (Symbol_table::define_special_symbol): Get target from
9387         parameters.
9388         * symtab.h (class Symbol_table): Update declaration.
9389         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9390         parameter.  Change all callers.  Clear parameter target.
9391         (Binary_test): Test target here.
9392         * testsuite/object_unittest.cc (gold_testsuite): Remove
9393         target_test_pointer parameter.  Change all callers.
9394         (Object_test): Test target here.
9395
9396 2009-09-26  Ian Lance Taylor  <iant@google.com>
9397
9398         * testsuite/initpri1.c: Don't try to use constructor priorities if
9399         compiling with gcc before 4.3.
9400
9401 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9402
9403         * testsuite/retain_symbols_file_test.sh (check_present): Change
9404         output file name to retain_symbols_file_test.stdout.
9405         (check_absent): Likewise.
9406
9407 2009-09-18  Craig Silverstein  <csilvers@google.com>
9408
9409         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9410         * options.cc: Include <cerrno> and <fstream>.
9411         (General_options::finalize): Parse -retain-symbols-file tag.
9412         * options.h: New flag.
9413         (General_options): New method should_retain_symbol, new
9414         variable symbols_to_retain.
9415         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9416         should_retain_symbol map.
9417         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9418         * testsuite/Makefile.in: Regenerate.
9419         * testsuite/retain_symbols_file_test.sh: New file.
9420
9421 2009-09-18  Nick Clifton  <nickc@redhat.com>
9422
9423         * po/es.po: Updated Spanish translation.
9424
9425 2009-09-17  Doug Kwan  <dougkwan@google.com>
9426
9427         * debug.h (DEBUG_RELAXATION): New constant.
9428         (DEBUG_ALL): Add DEBUG_RELAXATION.
9429         (debug_string_to_enum): Add relaxation debug option.
9430         * layout.cc
9431         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
9432         Layout::Relaxation_debug_check::read_sections,
9433         Layout::Relaxation_debug_check::read_sections): New method definitions.
9434         (Layout::Layout): Initialize data members
9435         record_output_section_data_from_scrips_,
9436         script_output_section_data_list_ and relaxation_debug_check_.
9437         (Layout::save_segments, Layout::restore_segments,
9438         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9439         Layout::relaxation_loop_body): New method definitions.
9440         (Layout::finalize): Support relaxation.  Move section layout code to
9441         Layout::relaxation_loop_body.
9442         (Layout::set_asection_address_from_script): Move code for orphan
9443         section placement out.
9444         (Layout::place_orphan_sections_in_script): New method definition.
9445         * layout.h (Output_segment_headers, Output_file_header):
9446         New forward class declarations.
9447         (Layout::~Layout): Define.
9448         (Layout::new_output_section_data_from_script): New method definition.
9449         (Layout::place_orphan_sections_in_script): New method declaration.
9450         (Layout::Segment_states): New type declaration.
9451         (Layout::save_segments, Layout::restore_segments,
9452         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9453         Layout::relaxation_loop_body): New method declarations.
9454         (Layout::Output_section_data_list): New type declaration.
9455         (Layout::Relaxation_debug_check): New class definition.
9456         (Layout::record_output_section_data_from_script_,
9457         Layout::script_output_section_data_list_, Layout::segment_states_,
9458         Layout::relaxation_debug_check_): New data members.
9459         * output.cc: (Output_section_headers::do_size): New method definition.
9460         (Output_section_headers::Output_section_headers): Move size
9461         computation to Output_section_headers::do_size.
9462         (Output_segment_headers::do_size): New method definition.
9463         (Output_file_header::Output_file_header): Move size computation to
9464         Output_file_header::do_size and call it.
9465         (Output_file_header::do_size): New method definition.
9466         (Output_data_group::Output_data_group): Adjust call to
9467         Output_section_data.
9468         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
9469         (Output_symtab_xindex::do_write): Add array bound check.
9470         (Output_section::Input_section::print_to_mapfile): Handle
9471         RELAXED_INPUT_SECTION_CODE.
9472         (Output_section::Output_section): Initialize data member checkpoint_.
9473         (Output_section::~Output_section): Delete checkpoint object pointed
9474         by checkpoint_.
9475         (Output_section::add_input_section): Always add an Input_section if
9476         relaxing.
9477         (Output_section::add_merge_input_section): Add assert.
9478         (Output_section::relax_input_section): New method definition.
9479         (Output_section::set_final_data_size): Set load address to zero for
9480         an unallocated section.
9481         (Output_section::do_address_and_file_offset_have_reset_values):
9482         New method definition.
9483         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
9484         Handle relaxed input section.
9485         (Output_section::sort_attached_input_sections): Checkpoint input
9486         section list lazily.
9487         (Output_section::get_input_sections): Change type of input_sections to
9488         list of Simple_input_section pointers.  Checkpoint input section list
9489         lazily.  Also handle relaxed input sections.
9490         (Output_section::add_input_section_for_script): Take a reference to
9491         a Simple_input_section object instead of Relobj pointer and section
9492         index as parameter.  Handle relaxed input sections.
9493         (Output_section::save_states, Output_section::restore_states): New
9494         method definitions.
9495         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
9496         (Output_data::is_data_size_fixed): New method definition.
9497         (Output_data::reset_addresss_and_file_offset): Do not reset data size
9498         if it is fixed.
9499         (Output_data::address_and_file_offset_have_reset_values): New method
9500         definition.
9501         (Output_data::do_address_and_file_offset_have_reset_values): New method
9502         definition.
9503         (Output_data::set_data_size): Check that data size is not fixed.
9504         (Output_data::fix_data_size): New method definition.
9505         (Output_data::is_data_size_fixed_): New data member.
9506         (Output_section_headers::set_final_data_size): New method definition.
9507         (Output_section_headers::do_size): New method declaration.
9508         (Output_segment_headers::set_final_data_size): New method definition.
9509         (Output_segment_headers::do_size): New method declaration.
9510         (Output_file_header::set_final_data_size)::New method definition.
9511         (Output_file_header::do_size)::New method declaration.
9512         (Output_section_data::Output_section_data): Add new parameter
9513         is_data_size_fixed and use it to fix data size.
9514         (Output_data_const::Output_data_const): Adjust call to base class
9515         constructor and fix data size.
9516         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
9517         base class constructor and fix data size.
9518         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
9519         base class constructor and fix data size.
9520         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
9521         class constructor and fix data size.
9522         (Output_data_group::set_final_data_size): New method definition.
9523         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
9524         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
9525         class constructor and fix data size.
9526         (Output_relaxed_input_section): New class definition.
9527         (Output_section::Simple_input_section): New class definition.
9528         (Output_section::get_input_sections): Adjust parameter list.
9529         (Output_section::add_input_section_for_script): Same.
9530         (Output_section::save_states, Output_section::restore_states,
9531         Output_section::do_address_and_file_offset_have_reset_values,
9532         (Output_section::Input_section::Input_section): Handle
9533         RELAXED_INPUT_SECTION_CODE.  Add new overload for
9534         Output_relaxed_input_section.
9535         (Output_section::Input_section::is_input_section,
9536         Output_section::Input_section::set_output_section): Handle relaxed
9537         input section.
9538         (Output_section::Input_section::is_relaxed_input_section,
9539         Output_section::Input_section::output_section_data,
9540         Output_section::Input_section::relaxed_input_section): New method
9541         definitions.
9542         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
9543         value.
9544         (Output_section::Input_section::u1_): Update comments.
9545         (Output_section::Input_section::u2_): Add new union member poris.
9546         (Output_section::Checkpoint_output_section): New classs definition.
9547         (Output_section::relax_input_section): New method declaration.
9548         (Output_section::checkpoint_): New data member.
9549         (Output_segment): Update comments.
9550         (Output_segment::Output_segment): Un-privatize copy constructor.
9551         (Output_segment::operator=): Un-privatize.
9552         * script-sections.cc (Output_section_element::Input_section_list):
9553         Change element type to Output_section::Simple_input_section.
9554         (Output_section_element_dot_assignment::set_section_addresses):
9555         Register output section data for relaxation clean up.
9556         (Output_data_exression::Output_data_expression): Adjust call to base
9557         constructor to fix data size.
9558         (Output_section_element_data::set_section_addresses): Register
9559         Output_data_expression object for relaxation clean up.
9560         (struct Input_section_info): Replace Relobj pointer and section index
9561         pair with Output_section::Simple_input_section and Convert struct to a
9562         class.
9563         (Input_section_sorter::operator()): Adjust access to
9564         Input_section_info data member to use accessors.
9565         (Output_section_element_input::set_section_addresses): Use layout
9566         parameter.  Adjust code to use Output_section::Simple_input_section
9567         and Input_secction_info classes.  Register filler for relaxation
9568         clean up.
9569         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
9570         and section index pair with Output_section::Simple_input_section
9571         class.  Adjust code accordingly.
9572         (Phdrs_element::release_segment): New method definition.
9573         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
9574         segment list.
9575         (Script_sections::release_segments): New method definition.
9576         * gold/script-sections.h (Script_sections::release_segments): New
9577         method declaration.
9578         * gold/target.h (Target::may_relax, Target::relax,
9579         Target::do_may_relax, Target::do_relax): New method definitions.
9580
9581 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9582
9583         * arm.cc (has_signed_unsigned_overflow): New function.
9584         (Arm_relocate_functions::abs8): New function.
9585         (Target_arm::Scan::local): Handle R_ARM_ABS8.
9586         (Target_arm::Scan::global): Likewise.
9587         (Target_arm::relocate::relocate): Likewise.
9588         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9589         Likewise.
9590
9591 2009-09-16  Cary Coutant  <ccoutant@google.com>
9592
9593         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
9594         * testsuite/Makefile.in: Regenerate.
9595
9596 2009-09-11  Nick Clifton  <nickc@redhat.com>
9597
9598         * po/gold.pot: Updated by the Translation project.
9599
9600 2009-09-08  Cary Coutant  <ccoutant@google.com>
9601
9602         * output.cc (Output_file::open): Add execute permission to empty file.
9603         * testsuite/Makefile.am (permission_test): New test.
9604         * testsuite/Makefile.in: Regenerate.
9605
9606 2009-09-02  Ian Lance Taylor  <iant@google.com>
9607
9608         * output.cc (Output_file::resize): Call map_no_anonymous rather
9609         than map.
9610
9611 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
9612
9613         * gold.cc: Include "incremental.h".
9614         (queue_initial_tasks): Call Incremental_checker methods.
9615         * incremental.cc: Include "output.h".
9616         (Incremental_checker::can_incrementally_link_output_file): New
9617         method.
9618         * incremental.h (Incremental_checker): New class.
9619
9620         * output.cc (Output_file::open_for_modification): New method.
9621         (Output_file::map_anonymous): Changed return type to bool.  Record
9622         map in base_ field.
9623         (Output_file::map_no_anonymous): New method, broken out of map.
9624         (Output_file::map): Use map_no_anonymous and map_anonymous.
9625         * output.h (class Output_file): Update declarations.
9626
9627 2009-08-24  Cary Coutant  <ccoutant@google.com>
9628
9629         * options.h (Command_line::Pre_options): New class.
9630         (Command_line::pre_options): New member.
9631         * options.cc (gold::options::ready_to_register): New variable.
9632         (One_option::register_option): Do nothing if not registering options.
9633         Assert if same short option registered twice.
9634         (General_options::General_options): Turn off option registration when
9635         done constructing.
9636         (Command_line::Pre_options::Pre_options): New constructor.
9637
9638 2009-08-24  Cary Coutant  <ccoutant@google.com>
9639
9640         * options.h (General_options::no_keep_memory): Remove incorrect
9641         short option.
9642
9643 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9644
9645         * Makefile.am (am__skiplex, am__skipyacc): New.
9646         * Makefile.in: Regenerate.
9647
9648 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9649
9650         * Makefile.am (AM_CPPFLAGS): Renamed from ...
9651         (INCLUDES): ... this.
9652         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
9653         (AM_CPPFLAGS): Renamed from ...
9654         (INCLUDE): ... this.
9655         * Makefile.in, testsuite/Makefile.in: Regenerate.
9656
9657         * Makefile.in: Regenerate.
9658         * aclocal.m4: Likewise.
9659         * config.in: Likewise.
9660         * configure: Likewise.
9661         * testsuite/Makefile.in: Likewise.
9662
9663         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9664         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9665         * Makefile.in: Regenerate.
9666         * testsuite/Makefile.in: Regenerate.
9667
9668 2009-08-19  Cary Coutant  <ccoutant@google.com>
9669
9670         * resolve.cc (Symbol_table::resolve): Don't complain about defined
9671         symbols in shared libraries overridden by hidden or internal symbols
9672         in the main program.
9673
9674 2009-08-19  Chris Demetriou  <cgd@google.com>
9675
9676         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
9677         checking source file names in error messages.
9678
9679 2009-08-18  Doug Kwan  <dougkwan@google.com>
9680
9681         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
9682         an elcpp::Ehdr as parameter.  Adjust call to set_target.
9683         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
9684         an elfcpp::Ehdr as parameter.
9685         * object.cc (Object::set_target): Remove the version that looks up
9686         a target and sets it.
9687         (Sized_relobj::setup): Take a Target object instead of
9688         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
9689         (make_elf_sized_object): Find target and ask target to
9690         make an ELF object.
9691         * object.h: (Object::set_target): Remove the version that looks up
9692         a target and sets it.
9693         (Sized_relobj::setup): Take a Target object instead of
9694         an elfcpp:Ehdr as parameter.
9695         * target.cc: Include dynobj.h.
9696         (Target::do_make_elf_object_implementation): New.
9697         (Target::do_make_elf_object): New.
9698         * target.h (Target::make_elf_object): New template declaration.
9699         (Target::do_make_elf_object): New method declarations.
9700         (Target::do_make_elf_object_implementation): New template declaration.
9701
9702 2009-08-14  Ian Lance Taylor  <iant@google.com>
9703
9704         * gold.h (FUNCTION_NAME): Define.
9705         (gold_unreachable): Use FUNCTION_NAME.
9706
9707 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9708
9709         * icf.cc (Icf::find_identical_sections): Issue a warning when a
9710         symbol in the --keep-unique list is not found.
9711
9712 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9713
9714         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
9715         been maked as --keep-unique.
9716         (Icf::unfold_section): New function.
9717         * icf.h (Icf::unfold_section): New function.
9718         * options.h (General_options::keep_unique): New option.
9719         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9720         * testsuite/Makefile.in: Regenerate.
9721         * testsuite/icf_keep_unique_test.sh: New file.
9722         * testsuite/icf_keep_unique_test.cc: New file.
9723
9724 2009-08-12  Cary Coutant  <ccoutant@google.com>
9725
9726         PR 10471
9727         * resolve.cc (Symbol_table::resolve): Check for references from
9728         dynamic objects to hidden and internal symbols.
9729         * testsuite/Makefile.am (hidden_test.sh): New test.
9730         * testsuite/Makefile.in: Regenerate.
9731         * testsuite/hidden_test.sh: New script.
9732         * testsuite/hidden_test_1.c: New test source.
9733         * testsuite/hidden_test_main.c: New test source.
9734
9735 2009-08-11  Doug Kwan  <dougkwan@google.com>
9736
9737         * arm.cc: Update comments.
9738         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9739         segment to locate the .ARM.exidx section if present.
9740
9741 2009-08-09  Doug Kwan  <dougkwan@google.com>
9742
9743         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9744         patch.
9745
9746 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9747         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9748         compiler warnings.
9749
9750 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9751
9752         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9753         valid tls_segment only for non-debug-section relocations.
9754         * testsuite/Makefile.am: Add gc_tls_test.
9755         * testsuite/Makefile.in: Regenerate.
9756         * testsuite/gc_tls_test.cc: New file.
9757         * testsuite/gc_tls_test.sh: New file.
9758
9759 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9760
9761         * icf.cc: New file.
9762         * icf.h: New file.
9763         * Makefile.am (CCFILES): Add icf.cc.
9764         (HFILES): Add icf.h
9765         * Makefile.in: Regenerate.
9766         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9767         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9768         section, symbol and addend information for the relocs.
9769         * gold.cc (queue_middle_tasks): Call identical code folding.
9770         * gold.h: Add defines for multimap.
9771         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9772         to the call of finalize_local_symbols.
9773         * main.cc (main): Create object of class Icf.
9774         * object.cc (Sized_relobj::do_layout): Allow this function to be
9775         called twice during icf.
9776         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9777         to sections marked as identical by icf.
9778         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9779         when available.
9780         (Sized_relobj::do_section_entsize): New function.
9781         * object.h (Object::section_entsize): New function.
9782         (Object::do_section_entsize): New pure virtual function.
9783         (Relobj::finalize_local_symbols): Add new parameter.
9784         (Relobj::do_section_entsize): New function.
9785         * options.h (General_options::icf): New option.
9786         (General_options::icf_iterations): New option.
9787         (General_options::print_icf_sections): New option.
9788         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9789         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9790         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9791         icf.
9792         * symtab.cc (Symbol_table::is_section_folded): New function.
9793         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9794         to sections marked as identical by icf.
9795         * symtab.h (Symbol_table::set_icf): New function.
9796         (Symbol_table::icf): New function.
9797         (Symbol_table::is_section_folded): New function.
9798         (Symbol_table::icf_): New data member.
9799         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9800         * testsuite/Makefile.am: Add commands to build icf_test.
9801         * testsuite/Makefile.in: Regenerate.
9802         * testsuite/icf_test.sh: New file.
9803         * testsuite/icf_test.cc: New file.
9804
9805 2009-07-24  Chris Demetriou  <cgd@google.com>
9806
9807         * layout.cc (is_compressible_debug_section): Fix incorrect
9808         comment about compressed section names.
9809
9810 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9811
9812         PR 10419
9813         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9814
9815 2009-07-16  Ian Lance Taylor  <iant@google.com>
9816
9817         PR 10400
9818         * layout.h: #include <map>.
9819         (class Kept_section): Change from struct to class.  Add accessors
9820         and setters.  Add section size to Comdat_group mapping.  Change
9821         Comdat_group to std::map.  Add is_comdat_ field.  Add
9822         linkonce_size field in union.
9823         (class Layout): Update declaration of find_or_add_kept_section.
9824         Don't declare find_kept_object.
9825         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9826         parameter.  Add object, shndx, is_comdat, and is_group_name
9827         parameters.  Change all callers.  Adjust for new Kept_section.
9828         (Layout::find_kept_object): Remove.
9829         * object.cc (Sized_relobj::include_section_group): Update use of
9830         Kept_section.  Rename secnum to shndx.  Only record
9831         Kept_comdat_section if sections are the same size.
9832         (Sized_relobj::include_linkonce_section): Update use of
9833         Kept_section.  Only record Kept_comdat_section if sections are the
9834         same size.  Set size of linkonce section.
9835         (Sized_relobj::map_to_kept_section): Update call to
9836         get_kept_comdat_section.
9837         * object.h (class Sized_relobj): Rename fields in
9838         Kept_comdat_section to drop trailing underscores; change object
9839         field to Relobj*.  Change Kept_comdat_section_table to store
9840         struct rather than pointer.
9841         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9842         Add kept_object and kept_shndx parameters.  Change all callers.
9843         (Sized_relobj::get_kept_comdat_section): Change return type to
9844         bool.  Add kept_object and kept_shndx parameters.  Change all
9845         callers.
9846         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9847         Layout::find_or_add_kept_section.
9848
9849 2009-07-09  Ian Lance Taylor  <iant@google.com>
9850
9851         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9852         Reserve space in the hash table.
9853
9854 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9855
9856         * fileread.cc (File_read::get_mtime): New method.
9857         * fileread.h (Timespec): New structure.
9858         (File_read::get_mtime): New method.
9859         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9860         Renamed from timestamp_nsec.
9861         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9862         Elf_Xword.
9863         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9864         timestamp_nsec.
9865         (Incremental_inputs::report_archive): Save mtime; style fix.
9866         (Incremental_inputs::report_obejct): Save mtime; style fix.
9867         (Incremental_inputs::report_script): Save mtime; style fix.
9868         (Incremental_inputs::finalize_inputs): Style fix.
9869         (Incremental_inputs::finalize): Style fix.
9870         (Incremental_inputs::create_input_section_data): Store inputs
9871         mtime.
9872         * incremental.h (Incremental_inputs::report_script): Add mtime
9873         argument.
9874         (Incremental_inputs::Input_info::Input_info): Intialize only one
9875         union member.
9876         (Incremental_inputs::Input_info::archive): Move to nameless
9877         union.
9878         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9879         (Incremental_inputs::Input_info::script): Move to nameless union.
9880         (Incremental_inputs::mtime): New field.
9881         * script.cc (read_input_script): Pass file mtime to
9882         Incremental_input.
9883         * script.h (Script_info::inputs): Style fix.
9884
9885 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9886
9887         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9888         instead of 32.
9889
9890 2009-06-24  Ian Lance Taylor  <iant@google.com>
9891
9892         PR 10156
9893         * layout.cc (Layout::choose_output_section): If we find an
9894         existing section, update the flags.
9895         (Layout::create_notes): New function, broken out of
9896         Layout::finalize.
9897         (Layout::finalize): Don't create note sections.
9898         (Layout::create_note): Don't crash if linker script discards
9899         section.
9900         (Layout::create_gold_note): Likewise.
9901         (Layout::create_build_id): Likewise.  Don't set
9902         after_input_sections on the section.
9903         (Layout::create_executable_stack_info): Remove target parameter.
9904         Change caller.
9905         * layout.h (class Layout): Declare create_notes.  Update
9906         declaration of create_executable_stack_info.
9907         * gold.cc (queue_middle_tasks): Call create_notes.
9908         * output.cc (Output_section::update_flags_for_input_section): Move
9909         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9910         invalid.
9911         * output.h (Output_data::mark_address_invalid): New function.
9912         (class Output_section): Only declare, not define,
9913         update_flags_for_input_section.  Remove set_flags.
9914
9915 2009-06-24  Ian Lance Taylor  <iant@google.com>
9916
9917         * script-sections.cc (Output_section_definition::
9918         set_section_addresses): Rename shadowing local load_address to
9919         laddr.
9920
9921 2009-06-24  Ian Lance Taylor  <iant@google.com>
9922
9923         PR 10244
9924         * reloc.cc (relocate_sections): Skip empty relocation sections.
9925
9926 2009-06-23  Ian Lance Taylor  <iant@google.com>
9927
9928         PR 10156
9929         * layout.cc (Layout::create_note): Use choose_output_section
9930         rather than make_output_section.
9931
9932 2009-06-23  Ian Lance Taylor  <iant@google.com>
9933
9934         PR 10237
9935         * options.cc (General_options::parse_V): Set printed_version_.
9936         (General_options::General_options): Initialize printed_version_.
9937         * options.h (class General_options): Add printed_version_ field.
9938         * gold.cc (queue_initial_tasks): If there are no input files,
9939         don't give a fatal error if we printed the version information.
9940         (queue_middle_tasks): If using -r with a shared object, give a
9941         fatal error rather than an ordinary error.
9942
9943 2009-06-23  Ian Lance Taylor  <iant@google.com>
9944
9945         PR 10219
9946         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9947         (Layout::make_output_section): Set have_stabstr_section_ if we see
9948         a .stab*str section.
9949         (Layout::finalize): Call link_stabs_sections.
9950         (Layout::link_stabs_sections): New file.
9951         * layout.h (class Layout): Add have_stabstr_section_ field.
9952         Declare link_stabs_sections.
9953
9954 2009-06-23  Doug Kwan  <dougkwan@google.com>
9955
9956         * Makefile.am (libgold_a_LIBADD): New.
9957         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9958         * Makefile.in: Regenerate.
9959         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9960         * configure: Regenerate.
9961         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9962         * fileread.cc: Include sys/state.h
9963         * gold.h: Declare memmem and strndup if found missing.
9964         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9965
9966 2009-06-23  Ian Lance Taylor  <iant@google.com>
9967
9968         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9969         * configure: Rebuild.
9970
9971 2009-06-23  Ian Lance Taylor  <iant@google.com>
9972
9973         PR 10147
9974         * object.cc (Object::section_contents): Don't try to get a view if
9975         the section has length zero.
9976         (Object::handle_gnu_warning_section): If the section is empty, use
9977         the name of the section as the warning.
9978
9979 2009-06-23  Ian Lance Taylor  <iant@google.com>
9980
9981         PR 10133
9982         * stringpool.h (class Stringpool_template): Add optimize_ field.
9983         (Stringpool_template::set_optimize): New function.
9984         * stringpool.cc (Stringpool_template::Stringpool_template):
9985         Initialize optimize_ field.
9986         (Stringpool_template::set_string_offsets): Test local optimize
9987         fild rather than parameter.
9988         * layout.cc (Layout::Layout): Call set_optimize on the section
9989         name stringpool.
9990
9991 2009-06-22  Ian Lance Taylor  <iant@google.com>
9992
9993         PR 10030
9994         * yyscript.y: Parse TARGET.
9995         * script.cc (script_set_target): New function.
9996         * script-c.h (script_set_target): Declare.
9997         * options.cc (General_options::string_to_object_format): Rename
9998         from string_to_object_format in anonymous namespace.  Change
9999         callers.
10000         * options.h (class General_options): Declare
10001         string_to_object_format.
10002
10003 2009-06-22  Ian Lance Taylor  <iant@google.com>
10004
10005         * script-sections.cc (Script_sections::create_segments): Don't put
10006         program headers in a PT_LOAD segment if -n or -N.
10007
10008 2009-06-22  Ian Lance Taylor  <iant@google.com>
10009
10010         PR 10141
10011         * options.h (class General_options): Add -z lazy and -z now.  Sort
10012         -z options into alphabetical order.
10013         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
10014
10015 2009-06-21  Ian Lance Taylor  <iant@google.com>
10016
10017         * layout.cc (Layout::make_output_section): Call
10018         Target::new_output_section.
10019         (Layout::attach_allocated_section_to_segment): Put large section
10020         sections in a separate load segment with the large segment flag
10021         set.
10022         (Layout::segment_precedes): Sort large data segments after other
10023         load segments.
10024         (align_file_offset): New static function.
10025         (Layout::set_segment_offsets): Use align_file_offset.
10026         * output.h (class Output_section): Add is_small_section_ and
10027         is_large_section_ fields.
10028         (Output_section::is_small_section): New function.
10029         (Output_section::set_is_small_section):  New function.
10030         (Output_section::is_large_section): New function.
10031         (Output_section::set_is_large_section): New function.
10032         (Output_section::is_large_data_section): New function.
10033         (class Output_segment): Add is_large_data_segment_ field.
10034         (Output_segment::is_large_data_segment): New function.
10035         (Output_segment::set_is_large_data_segment): New function.
10036         * output.cc (Output_section::Output_section): Initialize new
10037         fields.
10038         (Output_segment::Output_segment): Likewise.
10039         (Output_segment::add_output_section): Add assertion that large
10040         data sections always go in large data segments.  Force small data
10041         sections to the end of the list of data sections.  Force small BSS
10042         sections to the start of the list of BSS sections.  For large BSS
10043         sections to the end of the list of BSS sections.
10044         * symtab.h (class Symbol): Declare is_common_shndx.
10045         (Symbol::is_defined): Check Symbol::is_common_shndx.
10046         (Symbol::is_common): Likewise.
10047         (class Symbol_table): Define enum Commons_section_type.  Update
10048         declarations.  Add small_commons_ and large_commons_ fields.
10049         * symtab.cc (Symbol::is_common_shndx): New function.
10050         (Symbol_table::Symbol_table): Initialize new fields.
10051         (Symbol_table::add_from_object): Put small and large common
10052         symbols in the right list.
10053         (Symbol_table::sized_finalized_symbol): Check
10054         Symbol::is_common_shndx.
10055         (Symbol_table::sized_write_globals): Likewise.
10056         * common.cc (Symbol_table::do_allocate_commons): Allocate new
10057         common symbol lists.  Don't call do_allocate_commons_list if the
10058         list is empty.
10059         (Symbol_table::do_allocate_commons_list): Remove is_tls
10060         parameter.  Add comons_section_type parameter.  Change all
10061         callers.  Handle small and large common symbols.
10062         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
10063         Symbol::is_common_shndx.
10064         * resolve.cc (symbol_to_bits): Likewise.
10065         * target.h (Target::small_common_shndx): New function.
10066         (Target::small_common_section_flags): New function.
10067         (Target::large_common_shndx): New function.
10068         (Target::large_common_section_flags): New function.
10069         (Target::new_output_section): New function.
10070         (Target::Target_info): Add small_common_shndx, large_common_shndx,
10071         small_common_section_flags, and large_common_section_flags
10072         fields.
10073         (Target::do_new_output_section): New virtual function.
10074         * arm.cc (Target_arm::arm_info): Initialize new fields.
10075         * i386.cc (Target_i386::i386_info): Likewise.
10076         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
10077         Likewise.
10078         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
10079         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10080         (Target_x86_64::do_new_output_section): New function.
10081         * configure.ac: Define conditional MCMODEL_MEDIUM.
10082         * testsuite/Makefile.am (check_PROGRAMS): Add large.
10083         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
10084         (large_LDFLAGS): Define.
10085         * testsuite/large.c: New file.
10086         * testsuite/testfile.cc (Target_test::test_target_info):
10087         Initialize new fields.
10088         * configure, testsuite/Makefile.in: Rebuild.
10089
10090 2009-06-05  Doug Kwan  <dougkwan@google.com>
10091
10092         * Makefile.am (CCFILES): Add target.cc.
10093         * Makefile.in: Regenerate.
10094         * i386.cc (class Target_i386): Define new virtual method to
10095         override do_is_local_label_name in parent.
10096         * object.cc (Sized_relobj::do_count_local_symbols): Discard
10097         local symbols if --discard-locals or -X is given.
10098         * options.h (class General_options): Declare new options
10099         '--discard-locals' and '-X' for discarding locals.
10100         * target.h (class Target): Define new methods is_local_label_name.
10101         Declare new virtual method do_is_local_label_name.
10102         * target.cc: New file.
10103         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
10104         (check_SCRIPTS): Add discard_locals_test.sh.
10105         (check_DATA): Add discard_local_tests.syms.
10106         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
10107         (discard_local_tests.syms, discard_locals_test.o): New make rules.
10108         * testsuite/Makefile.in: Regenerate.
10109         * testsuite/discard_locals_test.c: New file.
10110         * testsuite/discard_locals_test.sh: Same.
10111
10112 2009-06-05  Doug Kwan  <dougkwan@google.com>
10113
10114         * object.cc (Sized_relobj::Sized_relobj): Initialize
10115         discarded_eh_frame_shndx_ to -1U.
10116         (Sized_relobj::do_layout): Record index of a discard .eh_frame
10117         section.
10118         (Sized_relobj::do_count_local_symbols): Skip local symbols in
10119         a discarded .eh_frame section.
10120         (Sized_relobj::do_finalize_local_symbols): Ditto.
10121         * object.h (class Sized_relobj): Declare new member
10122         discarded_eh_frame_shndx_.
10123         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
10124         (local_labels_test.o, local_labels_test): New rules.
10125         * testsuite/Makefile.in: Regenerate.
10126
10127 2009-06-04  Doug Kwan  <dougkwan@google.com>
10128
10129         * layout.cc (Layout::section_name_mapping): Add mapping for
10130         special ARM sections.
10131
10132 2009-06-03  Doug Kwan  <dougkwan@google.com>
10133
10134         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
10135         (utils::has_overflow): Same.
10136
10137 2009-06-03  Ian Lance Taylor  <iant@google.com>
10138
10139         * layout.cc (Layout::section_name_mapping): New array, replacing
10140         Layout::linkonce_mapping.
10141         (Layout::section_name_mapping_count): New variable, replacing
10142         Layout::linkonce_mapping_count.
10143         (Layout::linkonce_output_name): Remove.
10144         (Layout::output_section_name): Rewrite.
10145         * layout.h (class Layout): Rename Linkonce_mapping to
10146         Section_name_mapping, linkonce_mapping to section_name_mapping,
10147         linkonce_mapping_count to section_name_mapping_count.  Don't
10148         declare linkonce_output_name.
10149
10150 2009-06-03  Doug Kwan  <dougkwan@google.com>
10151
10152         * gold/arm.cc (namespace utils): New.
10153         (Target_arm::reloc_is_non_pic): Define new method.
10154         (class Arm_relocate_functions): New.
10155         (Target_arm::Relocate::relocate): Handle relocation types used by
10156         Android.
10157
10158 2009-06-03  Ian Lance Taylor  <iant@google.com>
10159
10160         * arm.cc (Target_arm::scan::global): Use || instead of |.
10161
10162 2009-06-02  Doug Kwan  <dougkwan@google.com>
10163
10164         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
10165         issued_non_pic_error_.
10166         (class Target_arm::Scan): Declare new method check_non_pic.
10167         Define new method symbol_needs_plt_entry.
10168         Declare new data member issued_non_pic_error_.
10169         (class Target_arm::Relocate): Declare new method
10170         should_apply_static_reloc.
10171         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
10172         (Target_arm::Scan::check_non_pic): Define new method.
10173         (Target_arm::Scan::local): Handle a small subset of reloc types used
10174         by Android.
10175         (Target_arm::Scan::local): Same.
10176         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
10177
10178 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
10179
10180         * incremental.cc (Incremental_inputs::report_command_line): Filter
10181         out --incremental-* options.
10182
10183 2009-05-29  Doug Kwan  <dougkwan@google.com>
10184
10185         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
10186         template class.
10187         (class Target_arm): Update comment.
10188         (Target_arm::Target_arm): Initialize new data members GOT_,
10189         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
10190         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
10191         and Target_arm::rel_dyn_section.
10192         Declare new_enum Target_arm::Got_type.
10193         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
10194         and DYNBSS_.
10195         Update commments for member do_dynsym_value.
10196         (Target_arm::got_size, Target_arm::plt_section,
10197         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
10198         new methods inside class defintion.
10199         (Target_arm::got_section): Define new method.
10200         (Target_arm::rel_dyn_section): Same.
10201         (Output_data_plt_arm): New template class.
10202         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
10203         (Output_data_plt_arm:do_adjust_output_section): Define new method.
10204         (Output_data_plt_arm::add_entry): Same.
10205         (Output_data_plt_arm::first_plt_entry): Define new
10206         static data member for PLT instruction template.
10207         (Output_data_plt_arm::plt_entry): Same.
10208         (Output_data_plt_arm::do_write): Define new method.
10209         (Target_arm::make_plt_entry): Same.
10210         (Target_arm::do_finalize_sections): Same.
10211         (Target_arm::do_dynsym_value): Same.
10212
10213 2009-05-28  Doug Kwan  <dougkwan@google.com>
10214
10215         * Makefile.am (TARGETSOURCES): Add arm.cc.
10216         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
10217         * Makefile.in: Regenerate.
10218         * arm.cc: New file.
10219         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
10220
10221 2009-05-26  Doug Kwan  <dougkwan@google.com>
10222
10223         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
10224         (General_options::check_excluded_libs): Strip off directories in
10225         archive name before matching like GNU ld does.
10226         * testsuite/Makefile.am (MOSTLYCLEANFILES,
10227         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
10228         (exclude_libs_test_LDFLAGS): Add linker option
10229         -Wl,--exclude-libs,libexclude_libs_test_3
10230         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
10231         an explicit archive without using -l.
10232         (alt/libexclude_libs_test_3.a): New make rule.
10233         * testsuite/Makefile.in: Regenerate.
10234         * testsuite/exclude_libs_test.c : Declare lib3_default().
10235         (main): Call it.
10236         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
10237         * exclude_libs_test_3.c: New file.
10238
10239 2009-05-26  Nick Clifton  <nickc@redhat.com>
10240
10241         * po/id.po: New Indonesian translation.
10242         * po/gold.pot: Updated template file.
10243
10244 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
10245
10246         * testsuite/Makefile.am: Add -ffunction-sections to compile
10247         gc_comdat_test files.  Add -Wl,--gc-sections to build
10248         gc_comdat_test.
10249         * testsuite/Makefile.in: Regenerate.
10250         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
10251
10252 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
10253
10254         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
10255         kept comdat section was garbage collected.
10256         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
10257         * testsuite/Makefile.in: Regenerate.
10258         * testsuite/gc_comdat_test.sh: New file.
10259         * testsuite/gc_comdat_test_1.cc: New file.
10260         * testsuite/gc_comdat_test_2.cc: New file.
10261
10262 2009-05-19  Doug Kwan  <dougkwan@google.com>
10263
10264         * archive.cc (Archive::Archive): Move constructor from archive.h
10265         to here.  Initialize no_export_.
10266         (Archive::get_elf_object_for_member): Set no_export flag of object.
10267         * archive.h (Archive::Archive): Move constructor body to
10268         archive.cc.
10269         (Archive::no_export): New method.
10270         (Archive::no_export_): New field.
10271         * object.h (Object::Object): Initialize no_export_ to false.
10272         (Object::no_export, Object::set_no_export): New methods.
10273         (Object::no_export_): New field.
10274         * options.cc (General_options::parse_exclude_libs): New method.
10275         (General_options::check_excluded_libs) Same.
10276         * options.h (exclude_libs): New option.
10277         (General_options::check_excluded_libs): New method declaration.
10278         (General_options::excluded_libs_): New field.
10279         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
10280         default or protected visibility if an object has no-export flag set.
10281         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
10282         (check_SCRIPTS): Add exclude_libs_test.sh.
10283         (check_DATA): Add exclude_libs_test.syms.
10284         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
10285         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
10286         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
10287         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
10288         (exclude_libs_test.syms, libexclude_libs_test_1.a,
10289         libexclude_libs_test_2.a): New rules.
10290         * testsuite/Makefile.in: Regenerate.
10291         * testsuite/exclude_libs_test.c: New file.
10292         * testsuite/exclude_libs_test.sh: Ditto.
10293         * testsuite/exclude_libs_test_1.c: Ditto.
10294         * testsuite/exclude_libs_test_2.c: Ditto.
10295
10296 2009-05-15  Ian Lance Taylor  <iant@google.com>
10297
10298         * configure.ac: Check for declarations for cases where libiberty.h
10299         checks HAVE_DECL_xxx.
10300         * configure, config.in: Rebuild.
10301
10302 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
10303
10304         * gold.h (Incremental_argument_list): Remove (invalid) forward
10305         declaration.
10306         * incremental.cc (Incremental_inputs::report_achive): New method.
10307         (Incremental_inputs::report_object): New method.
10308         (Incremental_inputs::report_script): New method.
10309         (Incremental_inputs::finalize_inputs): New method.
10310         (Incremental_inputs::finalize): Call finalize_inputs().
10311         (Incremental_inputs::sized_create_incremental_inputs_section_data):
10312         Create inputs entries.
10313         * incremental.h (Incremental_input_type): New enum.
10314         (Incremental_inputs::Incremental_input): Initialize new fields.
10315         (Incremental_inputs::report_inputs): New method.
10316         (Incremental_inputs::report_achive): New method.
10317         (Incremental_inputs::report_object): New method.
10318         (Incremental_inputs::report_script): New method.
10319         (Incremental_inputs::finalize_inputs): New method.
10320         (Incremental_inputs::Input_info): New struct.
10321         (Incremental_inputs::Input_info_map): New typedef.
10322         (Incremental_inputs::lock_): New field.
10323         (Incremental_inputs::Inputs_): New field.
10324         (Incremental_inputs::Inputs_map): New field.
10325         * main.cc (main): Call Incremental_input::report_inputs.
10326         * options.h (Input_argument_list): Typedef moved from
10327         Input_arguments.
10328         (Input_file_group::Files): Remove, use ::Input_argument_list.
10329         (Input_file_group::Input_argument_list): Remove, use
10330         ::Input_argument_list.
10331         * plugin.cc (Plugin_manager::add_input_file): Add error in
10332         incremental build.
10333         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10334         functions.
10335         * script.cc (read_input_script): Call
10336         Incremental_input::report_script.
10337         * script.h (Script_info): New class.
10338
10339 2009-04-27  Ian Lance Taylor  <iant@google.com>
10340
10341         * x86_64.cc (do_adjust_output_section): Set entsize to
10342         plt_entry_size.
10343
10344 2009-04-23  Elliott Hughes  <enh@google.com>
10345
10346         * output.cc (Output_file::close): After short writes, continue
10347         writing from the correct offset in the buffer being written.
10348
10349 2009-04-23  Chris Demetriou  <cgd@google.com>
10350
10351         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10352         * configure: Regenerate.
10353         * config.in: Regenerate.
10354         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10355         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10356
10357 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10358
10359         * incremental.cc (Incremental_inputs_header_data): Renamed from
10360         Incremental_input_header_data.
10361         (Incremental_inputs_header_data::data_size): New field.
10362         (Incremental_inputs_header_data::put_input_file_count): Renamed
10363         from input_file_count.
10364         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10365         from command_line_offset.
10366         (Incremental_inputs_header_data::put_reserved): Renamed from
10367         put_reserved.
10368         (Incremental_inputs_entry_data): Renamed from
10369         Incremental_input_entry_data.
10370         (Incremental_inputs_entry_data::data_size): New field.
10371         (Incremental_inputs::report_command_line): New method.
10372         (Incremental_inputs::finalize): New method.
10373         (Incremental_inputs::create_incremental_inputs_data): New method.
10374         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10375         * incremental.h: New file.
10376         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10377        (Layout::finalize): Create incremental inputs section in
10378         incremental builds.
10379        (Layout::create_incremental_info_sections): New method.
10380         * layout.h (Layout::incremental_inputs): New method.
10381        (Layout::create_incremental_info_sections): New method.
10382        (Layout::incremental_inputs_): New field.
10383         * main.cc (main): Notify Incremental_input of the command line.
10384
10385 2009-04-01  Ian Lance Taylor  <iant@google.com>
10386             Mikolaj Zalewski  <mikolajz@google.com>
10387
10388         * gold.h (reserve_unordered_map): Define, three versions, one for
10389         each version of Unordered_map.
10390         * layout.cc (Layout::Layout): Remove options parameter.  Add
10391         number_of_input_files parameter.  Don't initialize options_.
10392         Initialize number_of_input_files_ and resized_signatures_.  Move
10393         sections_are_attached_.
10394         (Layout::layout_group): Reserve space for group_signatures_.
10395         (Layout::find_or_add_kept_section): Change name parameter to be a
10396         reference.  Resize signatures_ map when it gets large enough.
10397         (Layout::layout_eh_frame): Use parameters->options() instead of
10398         this->options_.
10399         (Layout::make_output_section): Likewise.
10400         (Layout::attach_allocated_section_to_segment): Likewise.
10401         (Layout::finalize, Layout::create_executable_stack): Likewise.
10402         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10403         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10404         * layout.h (class Layout): Update declarations.  Remove options_
10405         field.  Add number_of_input_files_ and resized_signatures_
10406         fields.  Move sections_are_attached_ field.
10407         * main.cc (main): Pass number of input files to Layout
10408         constructor.  Don't pass options.
10409
10410 2009-03-30  Ian Lance Taylor  <iant@google.com>
10411
10412         * ffsll.c (ffsll): Correct implementation.
10413
10414 2009-03-27  Ian Lance Taylor  <iant@google.com>
10415
10416         * ffsll.c: New file.
10417         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10418         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
10419         * ftruncate.c (ftruncate): Declare before definition.
10420         * mremap.c (mremap): Likewise.
10421         * pread.c (pread): Likewise.
10422         * configure, Makefile.in, config.in: Rebuild.
10423
10424         * mremap.c: New file.
10425         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
10426         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
10427         (mremap): Declare if HAVE_MREMAP is not defined.
10428         * configure, Makefile.in, config.in: Rebuild.
10429
10430 2009-03-27  Cary Coutant  <ccoutant@google.com>
10431
10432         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
10433         position independent.
10434         * sparc.cc (Target_sparc::check_non_pic): Likewise.
10435         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
10436
10437 2009-03-24  Cary Coutant  <ccoutant@google.com>
10438
10439         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
10440         an executable.
10441         (needs_dynamic_reloc): Likewise.
10442
10443 2009-03-24  Ian Lance Taylor  <iant@google.com>
10444
10445         * yyscript.y (file_cmd): Recognize EXTERN.
10446         (extern_name_list, extern_name_list_body): New nonterminals.
10447         * script.cc (script_add_extern): Define.
10448         * script-c.h (script_add_extern): Declare.
10449
10450 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
10451
10452         * object.cc (is_elf_object): Define.
10453         * object.h (is_elf_object): Declare.
10454         * archive.cc (Archive::get_elf_object_for_member): Call
10455         is_elf_object.
10456         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
10457
10458 2009-03-24  Elliott Hughes  <enh@google.com>
10459
10460         * output.cc (Output_file::map_anonymous): Define.
10461         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
10462         try an anonymous one.  Report the size if the mmap fails.
10463         * output.h (class Output_file): Declare map_anonymous.
10464
10465 2009-03-24  Ian Lance Taylor  <iant@google.com>
10466
10467         * target-select.cc (instantiate_target): Don't acquire the lock if
10468         the instantiated_target_ field has already been set.
10469
10470 2009-03-23  Ian Lance Taylor  <iant@google.com>
10471
10472         * gold-threads.h (class Initialize_lock): Define.
10473         * gold-threads.cc (class Initialize_lock_once): Define.
10474         (initialize_lock_control): New static variable.
10475         (initialize_lock_pointer): New static variable.
10476         (initialize_lock_once): New static function.
10477         (Initialize_lock::Initialize_lock): Define.
10478         (Initialize_lock::initialize): Define.
10479         * target-select.h: Include "gold-threads.h".
10480         (class Target_selector): Add lock_ and initialize_lock_ fields.
10481         Don't define instantiate_target, just declare it.
10482         * target-select.cc (Target_selector::Target_selector): Initialize
10483         new fields.
10484         (Target_selector::instantiate_target): Define.
10485         * descriptors.h: Include "gold-threads.h".
10486         (class Descriptors): Add initialize_lock_ field.
10487         * descriptors.cc (Descriptors::Descriptors): Initialize new
10488         field.
10489         (Descriptors::open): Use initialize_lock_ field
10490         * errors.h (class Errors): Add initialize_lock_ field.
10491         * errors.cc (Errors::Errors): Initialize new field.
10492         (Errors::initialize_lock): Use initialize_lock_ field.
10493         * powerpc.cc (class Target_selector_powerpc): Remove
10494         instantiated_target_ field.  In do_recognize call
10495         instantiate_target rather than do_instantiate_target.  In
10496         do_instantiate_target just allocate a new target.
10497         * sparc.cc (class Target_selector_sparc): Likewise.
10498
10499         * freebsd.h: New file.
10500         * i386.cc: Include "freebsd.h".
10501         (Target_i386): Derive from Target_freebsd rather than
10502         Sized_target.
10503         (Target_selector_i386): Derive from Target_selector_freebsd rather
10504         than Target_selector.
10505         * x86_64.cc: Include "freebsd.h".
10506         (Target_x86_64): Derive from Target_freebsd rather than
10507         Sized_target.
10508         (Target_selector_x86_64): Derive from Target_selector_freebsd
10509         rather than Target_selector.
10510         * target.h (class Target): Add adjust_elf_header and
10511         do_adjust_elf_header.
10512         * output.cc (Output_file_header:: do_sized_write): Call target
10513         adjust_elf_header routine.
10514         * configure.tgt: Set targ_osabi.
10515         * configure.ac: Define GOLD_DEFAULT_OSABI.
10516         * parameters.cc (Parameters::default_target): Pass
10517         GOLD_DEFAULT_OSABI to select_target.
10518         * target-select.h (class Target_selector): Make instantiate_target
10519         protected rather than private.
10520         * Makefile.am (HFILES): Add freebsd.h.
10521         * configure, Makefile.in, config.in: Rebuild.
10522
10523         * merge.cc (do_add_input_section): Correct pend value.  Change
10524         message about last entry not being null terminated from error to
10525         warning.
10526
10527 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
10528
10529         * incremental.cc: New file.
10530         * Makefile.am (CCFILES): Add incremental.cc.
10531         * Makefile.in: Rebuild.
10532
10533 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
10534
10535         * layout.cc (Layout::output_section_name): Preserve names
10536         of '.note.' sections.
10537
10538 2009-03-19  Ian Lance Taylor  <iant@google.com>
10539
10540         * descriptors.cc (Descriptors::open): Check that the options are
10541         valid before using them.
10542
10543 2009-03-18  Ian Lance Taylor  <iant@google.com>
10544
10545         * script-sections.h: Include <list>.
10546         (class Script_sections): Change Sections_elements from std::vector
10547         to std::list.  Typedef public Elements_iterator.  Add
10548         orphan_section_placement_, data_segment_align_start_, and
10549         saw_data_segment_align_ fields.  Remove data_segment_align_index_
10550         field.
10551         * script-sections.cc (class Orphan_section_placement): New class.
10552         (class Sections_element): Add virtual functions is_relro and
10553         orphan_section_init.  Remove virtual function place_orphan_here.
10554         (class Output_section_definition): Add is_relro and
10555         orphan_section_init.  Remove place_orphan_here.
10556         (class Orphan_output_section): Likewise.
10557         (Script_sections::Script_sections): Update for field changes.
10558         (Script_sections::data_segment_align): Set saw_data_segment_align_
10559         and data_segment_align_start_, not data_segment_align_index.
10560         (Script_sections::data_segment_relro_end): Check
10561         saw_data_segment_align_.  Use data_segment_align_start_ rather
10562         than data_segment_align_index_.
10563         (Script_sections::place_orphan): Rewrite to use
10564         Orphan_section_placement.
10565
10566 2009-03-17  Ian Lance Taylor  <iant@google.com>
10567
10568         * archive.cc (Archive::add_symbols): Check for a version attached
10569         to the symbol name in the archive map.
10570         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
10571         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
10572         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
10573         (ver_test_11.a): New target.
10574         * testsuite/Makefile.in: Rebuild.
10575
10576         * configure.ac: Check for chsize and posix_fallocate.  Replace
10577         ftruncate.
10578         * ftruncate.c: New file, from gnulib.
10579         * output.cc (posix_fallocate): Define dummy version if not
10580         HAVE_POSIX_FALLOCATE.
10581         (Output_file::map): Call posix_fallocate rather than lseek and
10582         write.
10583         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
10584         * configure, Makefile.in, config.in: Rebuild.
10585
10586 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
10587
10588         * layout.h (Layout::create_note): Add section_name parameter.
10589         * layout.cc (Layout::create_note): Likewise.
10590         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
10591
10592 2009-03-17  Ian Lance Taylor  <iant@google.com>
10593
10594         * descriptors.cc: Include "options.h".
10595         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
10596         (Descriptors::open): Always use O_CLOEXEC when opening a new
10597         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
10598         then set FD_CLOEXEC.
10599
10600         * sparc.cc (class Target_sparc): Add has_got_section.
10601         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
10602         make sure we have a GOT section.
10603
10604         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
10605         (Target_sparc::Scan::local): Likewise.
10606         (Target_sparc::Scan::global): Likewise.
10607         (Target_sparc::Relocate::relocate): Likewise.
10608         (Target_sparc::Relocate::relocate_tls): Likewise.
10609
10610         * symtab.cc (Symbol_table::define_default_version): New function,
10611         broken out of add_from_object.
10612         (Symbol_table::add_from_object): Call define_default_version.
10613         (Symbol_table::define_special_symbol): Add resolve_oldsym
10614         parameter.  Change all callers.  If the version for a symbol comes
10615         from a version script, resolve it with the symbol with the same
10616         name with no version.  Also add the symbol without a version if
10617         appropriate.
10618         (do_define_in_output_data): If resolving with oldsym, don't delete
10619         sym.
10620         (do_define_in_output_segment): Likewise.
10621         (do_define_as_constant): Likewise.
10622         * symtab.h (class Symbol_table): Update declarations.
10623
10624 2009-03-13  Ian Lance Taylor  <iant@google.com>
10625
10626         * readsyms.cc (Read_symbols::incompatible_warning): New function.
10627         (Read_symbols::requeue): New function.
10628         (Read_symbols::do_read_symbols): If make_elf_object fails because
10629         the target type is not configured, and the file was searched for,
10630         issue a warning and retry with the next directory.
10631         (Add_symbols::run): If the file has an incompatible format, and
10632         it was searched for, requeue the Read_symbols task.  On error,
10633         release the object.
10634         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
10635         dirindex parameter to constructor.  Change all callers.  Declare
10636         incompatible_warning and requeue.
10637         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
10638         input_argument_ and input_group_ fields.  Add them to
10639         constructor.  Change all callers.
10640         (class Read_script): Add dirindex_ field.  Add it to constructor.
10641         Change all callers.
10642         * archive.cc (Archive::setup): Remove input_objects parameter.
10643         Change all callers.
10644         (Archive::get_file_and_offset): Likewise.
10645         (Archive::read_all_symbols): Likewise.
10646         (Archive::read_symbols): Likewise.
10647         (Archive::get_elf_object_for_member): Remove input_objects
10648         parameter.  Add punconfigured parameter.  Change all callers.
10649         (Archive::add_symbols): Change return type to bool.  Check return
10650         value of include_member.
10651         (Archive::include_all_members): Likewise.
10652         (Archive::include_member): Change return type to bool.  Return
10653         false if first included object has incompatible target.  Set
10654         included_member_ field.
10655         (Add_archive_symbols::run): If add_symbols returns false, requeue
10656         Read_symbols task.
10657         * archive.h (class Archive): Add included_member_ field.
10658         Initialize it in constructor.  Add input_file and searched_for
10659         methods.  Update declarations.
10660         (class Add_archive_symbols): Add dirpath_, dirindex_, and
10661         input_argument_ fields.  Add them to constructor.  Change all
10662         callers.
10663         * script.cc: Include "target-select.h".
10664         (class Parser_closure): Add skip_on_incompatible_target_ and
10665         found_incompatible_target_ fields.  Add
10666         skip_on_incompatible_target parameter to constructor.  Change all
10667         callers.  Add methods skip_on_incompatible_target,
10668         clear_skip_on_incompatible_target, found_incompatible_target, and
10669         set_found_incompatible_target.
10670         (read_input_script): Add dirindex parameter.  Change all callers.
10671         If parser finds an incompatible target, requeue Read_symbols
10672         task.
10673         (script_set_symbol): Clear skip_on_incompatible_target in
10674         closure.
10675         (script_add_assertion, script_parse_option): Likewise.
10676         (script_start_sections, script_add_phdr): Likewise.
10677         (script_check_output_format): New function.
10678         * script.h (read_input_script): Update declaration.
10679         * script-c.h (script_check_output_format): Declare.
10680         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
10681         (ignore_cmd): Remove OUTPUT_FORMAT.
10682         * fileread.cc (Input_file::Input_file): Add explicit this.
10683         (Input_file::will_search_for): New function.
10684         (Input_file::open): Add pindex parameter.  Change all callers.
10685         * fileread.h (class Input_file): Add input_file_argument method.
10686         Declare will_search_for.  Update declarations.
10687         * object.cc (make_elf_object): Add punconfigured parameter.
10688         Change all callers.
10689         * object.h (class Object): Make input_file public.  Add
10690         searched_for method.
10691         (make_elf_object): Update declaration.
10692         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
10693         restart search.
10694         * dirsearch.h (class Dirsearch): Update declaration.
10695         * options.h (class General_options): Add --warn-search-mismatch.
10696         * parameters.cc (Parameters::is_compatible_target): New function.
10697         * parameters.h (class Parameters): Declare is_compatible_target.
10698         * workqueue.cc (Workqueue::add_blocker): New function.
10699         * workqueue.h (class Workqueue): Declare add_blocker.
10700
10701         * fileread.cc (Input_file::open): Remove options parameter.
10702         Change all callers.
10703         (Input_file::open_binary): Likewise.
10704         * script.cc (read_input_script): Likewise.
10705         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
10706         options parameter from constructor.  Change all callers.
10707         (class Read_script): Likewise.
10708         * fileread.h (class Input_file): Update declarations.
10709         * script.h (read_input_script): Update declaration.
10710
10711 2009-03-10  Nick Clifton  <nickc@redhat.com>
10712
10713         * po/es.po: New Spanish translation.
10714
10715 2009-03-06  Cary Coutant  <ccoutant@google.com>
10716
10717         * options.cc (parse_short_option): Keep dash_z from registering itself.
10718
10719 2009-03-03  Ian Lance Taylor  <iant@google.com>
10720
10721         PR 9918
10722         * target-reloc.h (relocate_section): Pass output_section to
10723         relocate.
10724         * i386.cc (Target_i386::should_apply_static_reloc): Add
10725         output_section parameter.  Change all callers.
10726         (Target_i386::Relocate::relocate): Add output_section parameter.
10727         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10728         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10729         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10730         * testsuite/two_file_shared.sh: New script.
10731         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10732         (check_DATA): Add two_file_shared.dbg.
10733         (two_file_shared.dbg): New target.
10734         * testsuite/Makefile.in: Rebuild.
10735
10736 2009-03-01  Ian Lance Taylor  <iant@google.com>
10737
10738         * configure.ac: Check for byteswap.h.
10739         * configure: Rebuild.
10740         * config.in: Rebuild.
10741
10742 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10743
10744         * layout.cc (Layout::find_or_add_kept_section): New function.
10745         (Layout::add_comdat): Removed.
10746         * layout.h (struct Kept_section): Move out of class Layout.
10747         Remove trailing underscores from field names.  Add group_sections
10748         field.  Rename group_ field to is_group.  Change all uses.
10749         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10750         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10751         comdat_groups_ field.
10752         (Sized_relobj::include_section_group): Use
10753         find_or_add_kept_section and Kept_section::group_sections.
10754         (Sized_relobj::include_linkonce_section): Likewise.
10755         * object.cc (class Sized_relobj): Don't define Comdat_group or
10756         Comdat_group_table.  Remove find_comdat_group and
10757         add_comdat_group.  Remove comdat_groups_ field.
10758         * plugin.cc (include_comdat_group): Use
10759         Layout::find_or_add_kept_section.
10760
10761 2009-02-28  Ian Lance Taylor  <iant@google.com>
10762
10763         * README: --gc-sections and map files are now supported.  Document
10764         some build requirements.
10765
10766         PR 6992
10767         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10768         relocatable link set the value of the section symbol to zero.
10769         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10770         relocatable link don't include the section address in the local
10771         symbol value.
10772
10773 2009-02-27  Ian Lance Taylor  <iant@google.com>
10774
10775         PR 6811
10776         * options.h (class Search_directory): Add is_system_directory.
10777         (class General_options): Declare is_in_system_directory.
10778         * options.cc (get_relative_sysroot): Make static.
10779         (get_default_sysroot): Make static.
10780         (General_optoins::is_in_system_directory): New function.
10781         * fileread.cc (Input_file::is_in_system_directory): New function.
10782         * fileread.h (class Input_file): Declare is_in_system_directory.
10783         * object.h (class Object): Add is_in_system_directory.
10784         (class Input_objects): Remove system_library_directory_ field.
10785         * object.cc (Input_objects::add_object): Don't set
10786         system_library_directory_.
10787         (input_objects::found_in_system_library_directory): Remove.
10788         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10789         parameter.  Change all callers.
10790         (Symbol_table::sized_write_globals): Likewise.
10791         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10792         Call Object::is_in_system_directory.
10793         * symtab.h (class Symbol_table): Update declarations.
10794
10795         PR 5990
10796         * descriptors.h (Open_descriptor): Add is_on_stack field.
10797         * descriptors.cc (Descriptors::open): If the descriptor is on the
10798         top of the stack, remove it.  Initialize is_on_stack field.
10799         (Descriptors::release): Only add pod to stack if it is not on the
10800         stack already.
10801         (Descriptors::close_some_descriptor): Clear stack_next and
10802         is_on_stack fields.
10803
10804         PR 7091
10805         * output.cc (Output_section::find_starting_output_address): Rename
10806         from starting_output_address; add PADDR parameter; change return
10807         type.
10808         * output.h (class Output_section): Declare
10809         find_starting_output_address instead of starting_output_address.
10810         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10811         section symbol for which we can't find a merge section.
10812
10813         PR 9836
10814         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10815         hidden or internal, force the symbol to be local.
10816         * resolve.cc (Symbol::override_visibility): Define.
10817         (Symbol::override_base): Use override_visibility.
10818         (Symbol_table::resolve): Likewise.
10819         (Symbol::override_base_with_special): Likewise.
10820         (Symbol_table::override_with_special): If the visibility is hidden
10821         or internal, force the symbol to be local.
10822         * symtab.h (class Symbol): Add set_visibility and
10823         override_visibility.
10824         * testsuite/ver_test_1.sh: New file.
10825         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10826         (check_DATA): Add ver_test_1.syms.
10827         (ver_test_1.syms): New target.
10828         * testsuite/Makefile.in: Rebuild.
10829
10830 2009-02-25  Cary Coutant  <ccoutant@google.com>
10831
10832         * layout.cc (Layout::choose_output_section): Don't rename sections
10833         when using a linker script that has a SECTIONS clause.
10834         * Makefile.in: Regenerate.
10835
10836         * testsuite/Makefile.am (script_test_5.sh): New test case.
10837         * testsuite/Makefile.in: Regenerate.
10838         * testsuite/script_test_5.cc: New file.
10839         * testsuite/script_test_5.sh: New file.
10840         * testsuite/script_test_5.t: New file.
10841
10842 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10843
10844         * archive.cc (Archive::include_member): Update calls to add_symbols.
10845         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10846         the Layout argument.
10847         * dynobj.h (do_add_symbols): Add the Layout argument.
10848         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10849         Layout argument.
10850         * object.h (Object::add_symbols): Add the Layout argument.
10851         (Object::do_add_symbols): Add the Layout argument.
10852         (Sized_relobj::do_add_symbols): Add the Layout argument.
10853         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10854         Unify the two versions.
10855         (Add_plugin_symbols): Remove.
10856         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10857         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10858         (Add_plugin_symbols): Remove.
10859         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10860         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10861         (Add_symbols::run): Make it work with Pulginobj.
10862
10863 2009-02-06  Ian Lance Taylor  <iant@google.com>
10864
10865         * object.cc (Sized_relobj::do_layout): Make info message start
10866         with lower case letter.
10867
10868 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10869
10870         * binary.cc: Fix file comment.
10871
10872         * options.h (enum Incremental_disposition): Define.
10873         (class General_options): Add new options: --incremental,
10874         --incremental_changed, --incremental_unchanged,
10875         --incremental_unknown.  Add incremental_disposition_ and
10876         implicit_incremental_ fields.
10877         (General_options::incremental_disposition): New function.
10878         (class Position_dependent_options): Add incremental_disposition
10879         option.
10880         (Position_dependent_options::copy_from_options): Set incremental
10881         dispositions.
10882         * options.cc (General_options::parse_incremental_changed): New
10883         function.
10884         (General_options::parse_incremental_unchanged): New function.
10885         (General_options::parse_incremental_unknown): New function.
10886         (General_options::General_options): Initialize new fields
10887         incremental_disposition_ and implicit_incremental_.
10888         (General_options::finalize): Check for uasge of --incremental-*
10889         without --incremental.
10890
10891 2009-02-06  Chris Demetriou  <cgd@google.com>
10892
10893         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10894         pointer and to report location as the file name associated with
10895         the symbol.
10896         (gold_undefined_symbol_at_location): New function to replace the
10897         old gold_undefined_symbol functionality.
10898         * target-reloc.h (relocate_section): Update to use
10899         gold_undefined_symbol_at_location.
10900         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10901         Call gold_undefined_symbol function rather than gold_error.
10902         * errors.h (Errors::undefined_symbol): Take location as a
10903         string, rather than calculating it from a relocation.
10904         * errors.cc (Errors::fatal): Print "fatal error:" before the
10905         formatted message.
10906         (Errors::error, Errors::error_at_location): Print "error: "
10907         before the formatted message.
10908         (Errors::undefined_symbol): Take location as a string, rather
10909         than calculating it from a relocation.
10910         (gold_undefined_symbol_at_location): New function akin to
10911         old gold_undefined_symbol, calculates location from relocation.
10912         (gold_undefined_symbol): Change to take only a Symbol pointer
10913         and to report location as the file name associated with the symbol.
10914         * testsuite/debug_msg.sh: Update for changed error messages.
10915         * testsuite/undef_symbol.sh: Likewise.
10916
10917 2009-02-04  Duncan Sands  <baldrick@free.fr>
10918
10919         PR 9812
10920         * reduced_debug_output.h
10921         (Output_reduced_debug_abbrev_section::failed): Use format for
10922         gold_warning.
10923         (Output_reduced_debug_info_section::faild): Likewise.
10924
10925 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10926
10927         * script.cc (Lazy_demangler): New class.
10928         (Version_script_info::get_symbol_version_helper): Demangle a
10929         symbol only once.
10930
10931 2009-01-29  Cary Coutant  <ccoutant@google.com>
10932
10933         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10934         to __tls_get_addr.
10935         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10936
10937 2009-01-28  Ian Lance Taylor  <iant@google.com>
10938
10939         * version.cc (version_string): Bump to 1.9.
10940
10941         * gold.h: Include <cstring> and <stdint.h>.
10942         * version.cc: Include <cstdio>.
10943         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10944         warning.
10945         * reduced_debug_output.cc (insert_into_vector): Rename from
10946         Insert_into_vector; change all callers.  Use Swap_unaligned to
10947         avoid aliasing issue; remove union since it is unnecessary.
10948
10949 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10950
10951         * Makefile.am (CCFILES): Add gc.cc.
10952         (HFILES): Add gc.h.
10953         * Makefile.in: Regenerate.
10954         * gold.cc (Gc_runner): New class.
10955         (queue_initial_tasks): Call garbage collection related tasks
10956         when corresponding options are invoked.
10957         (queue_middle_gc_tasks): New function.
10958         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10959         processed early before laying out sections during garbage collection.
10960         * gold.h (queue_middle_gc_tasks): New function.
10961         (is_prefix_of): Move from "layout.cc".
10962         * i386.cc (Target_i386::gc_process_relocs): New function.
10963         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10964         * main.cc (main): Create object of class "Garbage_collection".
10965         * object.cc (Relobj::copy_symbols_data): New function.
10966         (Relobj::is_section_name_included): New function.
10967         (Sized_relobj::do_layout): Allow this function to be called twice
10968         during garbage collection and defer layout of section during the
10969         first call.
10970         * object.h (Relobj::get_symbols_data): New function.
10971         (Relobj::is_section_name_included): New function.
10972         (Relobj::copy_symbols_data): New function.
10973         (Relobj::set_symbols_data): New function.
10974         (Relobj::get_relocs_data): New function.
10975         (Relobj::set_relocs_data): New function.
10976         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10977         (Relobj::gc_process_relocs): New function.
10978         (Relobj::do_gc_process_relocs): New pure virtual function.
10979         (Relobj::sd_): New data member.
10980         (Sized_relobj::is_output_section_offset_invalid): New function.
10981         (Sized_relobj::do_gc_process_relocs): New function.
10982         * options.h (General_options::gc_sections): Modify to not be a no-op.
10983         (General_options::print_gc_sections): New option.
10984         * plugin.cc (Plugin_finish::run): Remove function call to
10985         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10986         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10987         * reloc.cc (Read_relocs::run): Add task to process relocs and
10988         determine unreferenced sections when doing garbage collection.
10989         (Gc_process_relocs): New class.
10990         (Sized_relobj::do_gc_process_relocs): New function.
10991         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10992         sections that are garbage collected.
10993         * reloc.h (Gc_process_relocs): New class.
10994         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10995         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10996         symbols whose corresponding sections are garbage collected.
10997         (Symbol_table::Symbol_table): Add new parameter for the garbage
10998         collection object.
10999         (Symbol_table::gc_mark_undef_symbols): New function.
11000         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11001         (Symbol_table::gc_mark_dyn_syms): New function.
11002         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
11003         as garbage.
11004         (Symbol_table::add_from_object): Likewise.
11005         (Symbol_table::add_from_relobj): When building shared objects, do not
11006         treat externally visible symbols as garbage.
11007         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
11008         table information for static and relocatable links.
11009         * symtab.h (Symbol_table::set_gc): New function.
11010         (Symbol_table::gc): New function.
11011         (Symbol_table::gc_mark_undef_symbols): New function.
11012         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11013         (Symbol_table::gc_mark_dyn_syms): New function.
11014         (Symbol_table::gc_): New data member.
11015         * target.h (Sized_target::gc_process_relocs): New pure virtual
11016         function.
11017         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
11018         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
11019
11020 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
11021
11022         * options.h (General_options::gc_sections): Define as a no-op for now.
11023         (General_options::no_keep_memory): Ditto.
11024         (General_options::Bshareable): Define.
11025         * options.cc (General_options::finalize): Honor -Bshareable.
11026
11027 2009-01-20  Andreas Schwab  <schwab@suse.de>
11028
11029         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
11030         read the value in the contents, since we don't use it.  Use the
11031         template endianness when writing.
11032         (Relocate::relocate): Use it for R_PPC_REL16_HA.
11033
11034 2009-01-19  Andreas Schwab  <schwab@suse.de>
11035
11036         * configure.tgt (powerpc64-*): Fix targ_obj.
11037
11038 2009-01-15  Ian Lance Taylor  <iant@google.com>
11039
11040         * object.cc (Sized_relobj::write_local_symbols): Don't write out
11041         local symbols when stripping all symbols.
11042
11043 2009-01-14  Cary Coutant  <ccoutant@google.com>
11044
11045         * output.cc (Output_reloc): Add explicit instantiations.
11046
11047 2009-01-14  Cary Coutant  <ccoutant@google.com>
11048
11049         * archive.cc (Archive::get_elf_object_for_member): Remove call
11050         to File_read::claim_for_plugin.
11051         * descriptors.cc (Descriptors::open): Remove reference to
11052         is_claimed.
11053         (Descriptors::claim_for_plugin): Remove.
11054         * descriptors.h (Descriptors::claim_for_plugin): Remove.
11055         (Descriptors::is_claimed): Remove.
11056         (claim_descriptor_for_plugin): Remove.
11057         * fileread.cc (File_read::claim_for_plugin): Remove.
11058         * fileread.h (File_read::claim_for_plugin): Remove.
11059         (File_read::descriptor): Reopen descriptor if necessary.
11060         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
11061         (Plugin_manager::all_symbols_read): Add task parameter. Change
11062         all callers.
11063         (Plugin_manager::get_input_file): New function.
11064         (Plugin_manager::release_input_file): New function.
11065         (Pluginobj::Pluginobj): Add filesize parameter and initialize
11066         corresponding data member.
11067         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
11068         and pass to base constructor. Change all callers.
11069         (get_input_file, release_input_file): New functions.
11070         (make_sized_plugin_object): Add filesize parameter. Change all callers.
11071         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
11072         (Plugin_manager::all_symbols_read): Add task parameter.
11073         (Plugin_manager::get_input_file): New function.
11074         (Plugin_manager::release_input_file): New function.
11075         (Plugin_manager::task_): New data member.
11076         (Pluginobj::Pluginobj): Add filesize parameter.
11077         (Pluginobj::filename): New function.
11078         (Pluginobj::descriptor): New function.
11079         (Pluginobj::filesize): New function.
11080         (Pluginobj::filesize_): New data member.
11081         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
11082         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
11083         File_read::claim_for_plugin; use Object::unlock to unlock the file.
11084
11085         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
11086         with archive libraries.
11087         * testsuite/Makefile.in: Regenerate.
11088         * testsuite/plugin_test.c (struct sym_info): New type.
11089         (get_input_file, release_input_file): New static variables.
11090         (onload): Capture new transfer vector entries.
11091         (claim_file_hook): Stop reading at end of file according to filesize.
11092         Factor out parsing of readelf output into separate function.
11093         (all_symbols_read_hook): Exercise get_input_file and release_input_file
11094         APIs and get the source file name from the symbol table.  Convert
11095         source file name to corresponding object file name.  Print info
11096         message when adding new input files.
11097         (parse_readelf_line): New function.
11098         * testsuite/plugin_test_1.sh: Add checks for new info messages.
11099         * testsuite/plugin_test_2.sh: Likewise.
11100         * testsuite/plugin_test_3.sh: Likewise.
11101         * testsuite/plugin_test_4.sh: New test case.
11102
11103 2009-01-07  Ian Lance Taylor  <iant@google.com>
11104
11105         * version.cc (version_string): Bump to 1.8.
11106
11107 2008-12-23  Cary Coutant  <ccoutant@google.com>
11108
11109         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
11110         * plugin.cc (Plugin_manager::finish): Rename as
11111         layout_deferred_objects.  Move cleanup to separate function.
11112         (Plugin_manager::cleanup): New function.
11113         (Plugin_finish::run): Call layout_deferred_objects and cleanup
11114         separately.
11115         * plugin.h (Plugin_manager::finish): Rename as
11116         layout_deferred_objects.
11117         (Plugin_manager::cleanup): New function.
11118         (Plugin_manager::cleanup_done): New field.
11119
11120 2008-12-23  Cary Coutant  <ccoutant@google.com>
11121
11122         * plugin.cc (is_visible_from_outside): New function.
11123         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
11124         so we don't return "IR only" status for exported symbols or -r links.
11125
11126         * testsuite/Makefile.am (plugin_test_3): New test case.
11127         * testsuite/Makefile.in: Regenerate.
11128         * testsuite/plugin_test_3.sh: New file.
11129
11130 2008-12-22  Cary Coutant  <ccoutant@google.com>
11131
11132         * object.cc (Sized_relobj::layout_section): New function.
11133         (Sized_relobj::do_layout): Defer layout of input sections until after
11134         plugin has provided replacement files.
11135         (Sized_relobj::do_layout_deferred_sections): New function.
11136         * object.h (Relobj::set_section_offset): Remove virtual keyword.
11137         (Relobj::layout_deferred_sections): New function.
11138         (Relobj::do_layout_deferred_sections): New function.
11139         (Sized_relobj::do_layout_deferred_sections): New function.
11140         (Sized_relobj::layout_section): New function.
11141         (Sized_relobj::Deferred_layout): New structure.
11142         (Sized_relobj::deferred_layout_): New field.
11143         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
11144         Change all callers.  Layout deferred sections.
11145         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
11146         references.
11147         (Plugin_hook::run): Move code from do_plugin_hook inline.
11148         (Plugin_hook::do_plugin_hook): Remove.
11149         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
11150         (Plugin_manager::finish): Renamed, was cleanup.
11151         (Plugin_manager::should_defer_layout): New function.
11152         (Plugin_manager::add_deferred_layout_object): New function.
11153         (Plugin_manager::Deferred_layout_list): New type.
11154         (Plugin_manager::deferred_layout_objects_): New field.
11155         (Plugin_hook::do_plugin_hook): Remove.
11156
11157 2008-12-17  Ian Lance Taylor  <iant@google.com>
11158
11159         * options.h (class General_options): Add --no case for
11160         --export-dynamic.
11161
11162 2008-12-16  Cary Coutant  <ccoutant@google.com>
11163
11164         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
11165         vector.
11166         (Plugin_manager::claim_file): Create plugin object even if
11167         plugin did not call the add_symbols callback.
11168         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
11169         asking for more symbols than were added.
11170         * testsuite/Makefile.am (plugin_test_1): Add test case with
11171         no global symbols.
11172         (empty.syms): New target.
11173         * testsuite/Makefile.in: Regenerate.
11174         * testsuite/plugin_test.c (claim_file_hook): Add new debug
11175         message. Don't call add_symbols if no globals.
11176         (all_symbols_read_hook): Don't provide replacement for empty
11177         claimed file.
11178
11179 2008-12-12  Ian Lance Taylor  <iant@google.com>
11180
11181         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
11182         r_type == 0 for a local symbol with r_sym == 0.
11183         (scan_relocatable_relocs): Pass r_sym to
11184         local_non_section_strategy.
11185         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
11186         r_sym parameter.
11187
11188         * configure.ac: Update test for TLS descriptors: they are
11189         supported as of glibc 2.9.
11190         * configure: Rebuild.
11191
11192 2008-12-11  Ian Lance Taylor  <iant@google.com>
11193
11194         PR 7091
11195         * target-reloc.h (Default_scan_relocatable_relocs): For each
11196         function, map r_type == 0 to RELOC_DISCARD.
11197
11198 2008-12-10  Cary Coutant  <ccoutant@google.com>
11199
11200         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
11201         object to override a kept COMDAT group from a plugin object.
11202
11203 2008-12-09  Ian Lance Taylor  <iant@google.com>
11204
11205         PR 7088
11206         * yyscript.y (file_cmd): Handle INPUT.
11207
11208         * testsuite/initpri1.c: Change all declarations to be full
11209         prototypes by adding void, to avoid compiler warnings.
11210
11211 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
11212
11213         * options.cc (General_options::parse_plugin_opt): New.
11214         (General_options::add_plugin): The argument now is just the filename.
11215         (General_options::add_plugin_option): New.
11216         * options.h (plugin_opt): New.
11217         (add_plugin): Change argument name.
11218         (add_plugin_option): New.
11219         * plugin.cc (Plugin::load): Don't parse the plugin option.
11220         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
11221         (Plugin::add_option): New.
11222         (Plugin::args_): Change type.
11223         (Plugin::filename_): New.
11224         (Plugin_manager::add_plugin_option): New.
11225         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
11226         * testsuite/Makefile.in: Regenerate.
11227
11228 2008-12-05  Cary Coutant  <ccoutant@google.com>
11229
11230         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
11231         Handle --strip-lto-sections option.
11232         * options.h (strip_lto_sections): New option.
11233
11234 2008-12-01  Cary Coutant  <ccoutant@google.com>
11235
11236         * plugin.cc (ld_plugin_message): Change format parameter to const.
11237         Fix mismatch between new[] and delete.
11238
11239 2008-11-14  Cary Coutant  <ccoutant@google.com>
11240
11241         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
11242         instead of -1U.
11243
11244 2008-11-05  Craig Silverstein  <csilvers@google.com>
11245
11246         * options.cc (General_options::parse_dynamic_list): New function.
11247         * options.h (General_options): New flags dynamic_list,
11248         dynamic_list_data, dynamic_list_cpp_new, and
11249         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
11250         (General_options::in_dynamic_list): New function.
11251         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
11252         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
11253         (Lex::can_continue_name): Likewise.
11254         (yylex): Likewise.
11255         (read_script_file): New parameter script_options.
11256         (read_dynamic_list): New function.
11257         (Script_options::define_dynamic_list): New function.
11258         (dynamic_list_keyword_parsecodes): New variable.
11259         (dynamic_list_keywords): New variable.
11260         * script.h (Script_options::define_dynamic_list): New function
11261         prototype.
11262         (read_dynamic_list): New function prototype.
11263         * symtab.cc (strprefix): New macro.
11264         (Symbol::should_add_dynsym_entry): Support dynamic_list,
11265         dynamic_list_data, dynamic_list_cpp_new, and
11266         dynamic_list_cpp_typeinfo.
11267         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
11268         (dynamic_list_expr): New rule.
11269         (dynamic_list_nodes): Likewise.
11270         (dynamic_list_node): Likewise.
11271         * testsuite/Makefile.am (dynamic_list): New test.
11272         * testsuite/Makefile.in: Regenerated.
11273         * testsuite/dynamic_list.t: New file.
11274         * testsuite/dynamic_list.sh: New file.
11275
11276 2008-11-05  Craig Silverstein  <csilvers@google.com>
11277
11278         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
11279         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
11280         (t11_last): Likewise.
11281         * testsuite/ver_test_6.c (main): Likewise.
11282
11283 2008-10-07  Cary Coutant  <ccoutant@google.com>
11284
11285         * options.c (General_options::finalize): Add check for -static and
11286         -shared.
11287         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
11288         is not empty.
11289
11290 2008-10-02  Cary Coutant  <ccoutant@google.com>
11291
11292         * plugin.cc (make_sized_plugin_object): Fix conditional
11293         compilation to work when not all targets are enabled.
11294
11295 2008-09-29  Cary Coutant  <ccoutant@google.com>
11296
11297         * archive.cc (Archive::get_file_and_offset): Use filename instead
11298         of name to get library path.
11299         (Archive::include_member): Unlock external member of a thin archive.
11300
11301         * testsuite/Makefile.am (TEST_AR): New variable.
11302         (thin_archive_test_1): New test.
11303         (thin_archive_test_2): New test.
11304         * testsuite/Makefile.in: Regenerate.
11305         * testsuite/thin_archive_main.cc: New file.
11306         * testsuite/thin_archive_test_1.cc: New file.
11307         * testsuite/thin_archive_test_2.cc: New file.
11308         * testsuite/thin_archive_test_3.cc: New file.
11309         * testsuite/thin_archive_test_4.cc: New file.
11310
11311 2008-09-29  Cary Coutant  <ccoutant@google.com>
11312
11313         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11314         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11315         instead of -1U.
11316         (Sized_relobj::do_finalize_local_symbols): Likewise.
11317         (Sized_relobj::map_to_kept_section): Likewise.
11318         * object.h (Sized_relobj::invalid_address): New constant.
11319         (Sized_relobj::do_output_section_offset): Check for invalid_address
11320         and return -1ULL.
11321         * output.cc (Output_reloc::local_section_offset): Use constant
11322         invalid_address instead of -1U.
11323         (Output_reloc::get_address): Likewise.
11324         (Output_section::output_address): Change -1U to -1ULL.
11325         * output.h (Output_reloc::invalid_address): New constant.
11326         * reloc.cc (Sized_relobj::write_sections): Use constant
11327         invalid_address instead of -1U.
11328         (Sized_relobj::relocate_sections): Likewise.
11329         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11330         values for merge sections.
11331         * target-reloc.h (relocate_for_relocatable): Use constant
11332         invalid_address instead of -1U.
11333
11334 2008-09-19  Cary Coutant  <ccoutant@google.com>
11335
11336         Add plugin functionality for link-time optimization (LTO).
11337         * configure.ac (plugins): Add --enable-plugins option.
11338         * configure: Regenerate.
11339         * config.in: Regenerate.
11340         * Makefile.am (LIBDL): New variable.
11341         (CCFILES): Add plugin.cc.
11342         (HFILES): Add plugin.h.
11343         (ldadd_var): Add LIBDL.
11344         * Makefile.in: Regenerate.
11345
11346         * archive.cc: Include "plugin.h".
11347         (Archive::setup): Don't preread archive symbols when using a plugin.
11348         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11349         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11350         files.
11351         (Archive::include_member): Add symbols from plugin objects.
11352         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11353         * descriptors.cc (Descriptors::open): Check for file descriptors
11354         abandoned by plugins.
11355         (Descriptors::claim_for_plugin): New function.
11356         * descriptors.h (Descriptors::claim_for_plugin): New function.
11357         (Open_descriptor::is_claimed): New field.
11358         (claim_descriptor_for_plugin): New function.
11359         * fileread.cc (File_read::claim_for_plugin): New function.
11360         * fileread.h (File_read::claim_for_plugin): New function.
11361         (File_read::descriptor): New function.
11362         * gold.cc: Include "plugin.h".
11363         (queue_initial_tasks): Add task to call plugin hooks for generating
11364         new object files.
11365         * main.cc: Include "plugin.h".
11366         (main): Load plugin libraries.
11367         * object.h (Pluginobj): Declare.
11368         (Object::pluginobj): New function.
11369         (Object::do_pluginobj): New function.
11370         (Object::set_target): New function.
11371         * options.cc: Include "plugin.h".
11372         (General_options::parse_plugin): New function.
11373         (General_options::General_options): Initialize plugins_ field.
11374         (General_options::add_plugin): New function.
11375         * options.h (Plugin_manager): Declare.
11376         (General_options): Add --plugin option.
11377         (General_options::has_plugins): New function.
11378         (General_options::plugins): New function.
11379         (General_options::add_plugin): New function.
11380         (General_options::plugins_): New field.
11381         * plugin.cc: New file.
11382         * plugin.h: New file.
11383         * readsyms.cc: Include "plugin.h".
11384         (Read_symbols::do_read_symbols): Check for archive before checking
11385         for ELF file.  Call plugin hooks to claim files.
11386         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11387         from a real object file; force override when processing replacement
11388         files.
11389         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11390         (Symbol::init_base_object): Likewise.
11391         (Symbol::init_base_output_data): Likewise.
11392         (Symbol::init_base_output_segment): Likewise.
11393         (Symbol::init_base_constant): Likewise.
11394         (Symbol::init_base_undefined): Likewise.
11395         (Symbol::output_section): Assert that object is not a plugin.
11396         (Symbol_table::add_from_pluginobj): New function.
11397         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11398         undefined.
11399         (Symbol_table::sized_write_globals): Likewise.
11400         (Symbol_table::add_from_pluginobj): Instantiate template.
11401         * symtab.h (Sized_pluginobj): Declare.
11402         (Symbol::in_real_elf): New function.
11403         (Symbol::set_in_real_elf): New function.
11404         (Symbol::in_real_elf_): New field.
11405         (Symbol_table::add_from_pluginobj): New function.
11406
11407         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11408         (LIBDL): New variable.
11409         (LDADD): Add LIBDL.
11410         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11411         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11412         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11413         (MOSTLYCLEANFILES): Likewise.
11414         * testsuite/Makefile.in: Regenerate.
11415         * testsuite/plugin_test.c: New file.
11416         * testsuite/plugin_test_1.sh: New file.
11417         * testsuite/plugin_test_2.sh: New file.
11418
11419 2008-09-16  Ian Lance Taylor  <iant@google.com>
11420
11421         * target-reloc.h (relocate_section): Check whether a symbol is
11422         defined by the ABI before reporting an undefined symbol error.
11423         * target.h (Target::is_defined_by_abi): Make parameter const.
11424         (Target::do_is_defined_by_abi): Likewise.
11425         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
11426         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
11427         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
11428         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
11429         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
11430         * testsuite/Makefile.in: Rebuild.
11431
11432         * fileread.cc (make_view): Add casts to avoid warning.
11433
11434 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11435
11436         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
11437         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11438
11439 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11440
11441         * options.h (General_options::output_is_executable): New.
11442         (General_options::output_is_pie): New.
11443         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
11444         for shared libraries.
11445         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11446
11447 2008-09-11  Chris Demetriou  <cgd@google.com>
11448
11449         * options.h (origin): New -z option.
11450         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
11451         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
11452         in DT_FLAGS_1.
11453
11454 2008-09-05  Cary Coutant  <ccoutant@google.com>
11455
11456         * fileread.cc (File_read::make_view): Add check for attempt to map
11457         beyond end of file.
11458
11459 2008-09-05  Cary Coutant  <ccoutant@google.com>
11460
11461         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
11462         explicit instantiations.
11463
11464 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
11465
11466         PR gold/6858
11467         * options.cc (General_options::finalize): Allow undefined symbols
11468         in shlibs if linking -shared.
11469
11470         PR gold/6859
11471         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
11472         symbols as not needing a dynsym entry.
11473
11474 2008-08-20  Craig Silverstein  <csilvers@google.com>
11475
11476         * fileread.cc (File_read::open): Do not lock the file unless it
11477         was successfully opened.
11478
11479 2008-08-14  Cary Coutant  <ccoutant@google.com>
11480
11481         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
11482         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
11483         * testsuite/tls_test.cc (struct int128): 128-bit struct
11484         for testing TLS relocs with non-zero addend.
11485         (v12): New TLS variable.
11486         (t12): New test.
11487         (t_last): Add check for v12.
11488         * testsuite/tls_test.h (t12): New function.
11489         * testsuite/tls_test_main.cc (thread_routine): Call new test.
11490
11491 2008-08-13  Ian Lance Taylor  <iant@google.com>
11492
11493         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
11494         set tls_segment_ or relro_segment_.
11495         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
11496         when appropriate.
11497         * output.h (Output_section::clear_is_relro): New function.
11498         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
11499         sections specially even when output_data_ is empty.
11500         (Output_segment::maximum_alignment): When first section is relro,
11501         only force alignment for PT_LOAD segments.
11502         * script.cc (script_data_segment_align): New function.
11503         (script_data_segment_relro_end): New function.
11504         * script-c.h (script_data_segment_align): Declare.
11505         (script_data_segment_relro_end): Declare.
11506         * script-sections.h (class Script_sections): Declare
11507         data_segment_align and data_segment_relro_end.  Add fields
11508         segment_align_index_ and saw_relro_end_.
11509         * script-sections.cc (class Sections_element): Add set_is_relro
11510         virtual function.  Add new bool* parameter to place_orphan_here.
11511         Add get_output_section virtual function.
11512         (class Output_section_definition): Add set_is_relro.  Add new
11513         bool* parameter to place_orphan_here.  Add get_output_section.
11514         Add is_relro_ field.
11515         (Output_section_definition::Output_section_definition): Initialize
11516         evaluated_address_, evaluated_load_address, evaluated_addralign_,
11517         and is_relro_ fields.
11518         (Output_section_definition::place_orphan_here): Add is_relro
11519         parameter.
11520         (Output_section_definition::set_section_addresses): Set relro for
11521         output section.
11522         (Output_section_definition::alternate_constraint): Likewise.
11523         (class Orphan_output_section): Add new bool* parameter to
11524         place_orphan_here.  Add get_output_section.
11525         (Orphan_output_section::place_orphan_here): Add is_relro
11526         parameter.
11527         (Script_sections::Script_sections): Initialize
11528         data_segment_align_index_ and saw_relro_end_.
11529         (Script_sections::data_segment_align): New function.
11530         (Script_sections::data_segment_relro_end): New function.
11531         (Script_sections::place_orphan): Set or clear is_relro.
11532         (Script_sections::set_section_addresses): Force alignment of first
11533         TLS section.
11534         * yyscript.y (exp): Call script_data_segment_align and
11535         script_data_segment_relro_end.
11536         * testsuite/relro_script_test.t: New file.
11537         * testsuite/relro_test.cc (using_script): Declare.
11538         (t1, t2): Test using_script.
11539         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
11540         (relro_script_test_SOURCES): Define.
11541         (relro_script_test_DEPENDENCIES): Define.
11542         (relro_script_test_LDFLAGS): Define.
11543         (relro_script_test_LDADD): Define.
11544         (relro_script_test.so): New target.
11545         * testsuite/Makefile.in: Rebuild.
11546
11547 2008-08-06  Cary Coutant <ccoutant@google.com>
11548
11549         * archive.cc (Archive::total_archives, Archive::total_members)
11550         (Archive::total_members_loaded): New variables.
11551         (Archive::setup): Add parameter.  Add option to preread
11552         archive symbols.
11553         (Archive::read_armap): Add counter.
11554         (Archive::get_file_and_offset): New function.
11555         (Archive::get_elf_object_for_member): New function.
11556         (Archive::read_all_symbols): New function.
11557         (Archive::read_symbols): New function.
11558         (Archive::add_symbols): Add counters.
11559         (Archive::include_all_members): Use armap to find members if it's
11560         already built.
11561         (Archive::include_member): Skip reading symbols if already read.
11562         Factored code into Archive::get_file_and_offset and
11563         Archive::get_elf_object_for_member.  Changed call to
11564         Mapfile::report_include_archive_member.
11565         (Archive::print_stats): New function.
11566         * archive.h: Declare Object and Read_symbols_data classes.
11567         (Archive::Archive): Add initializers for new members.
11568         (Archive::setup): Add parameter.
11569         (Archive::print_stats): New function.
11570         (Archive::total_archives, Archive::total_members)
11571         (Archive::total_members_loaded): New variables.
11572         (Archive::get_file_and_offset): New function.
11573         (Archive::get_elf_object_for_member): New function.
11574         (Archive::read_all_symbols): New function.
11575         (Archive::read_symbols): New function.
11576         (Archive::Archive_member): New class.
11577         (Archive::members_): New member.
11578         (Archive::num_members_): New member.
11579         * main.cc: Include archive.h.
11580         (main): Call Archive::print_stats.
11581         * mapfile.cc (Mapfile::report_include_archive_member): Delete
11582         archive parameter; member_name is now the fully-decorated name.
11583         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
11584         * options.h: (General_options): Add --preread-archive-symbols option.
11585         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
11586         Archive::setup.
11587
11588 2008-08-04  Ian Lance Taylor  <iant@google.com>
11589
11590         * symtab.h (Symbol::use_plt_offset): New function.
11591         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
11592         * powerpc.cc (Relocate::relocate): Likewise.
11593         * sparc.cc (Relocate::relocate): Likewise.
11594         * x86_64.cc (Relocate::relocate): Likewise.
11595         * testsuite/weak_plt.sh: New test.
11596         * testsuite/weak_plt_main.cc: New test.
11597         * testsuite/weak_plt_shared.cc: New test.
11598         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
11599         (check_PROGRAMS): Add weak_plt.
11600         (check_DATA): Add weak_plt_shared.so.
11601         (weak_plt_main_pic.o, weak_plt): New targets.
11602         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
11603         * testsuite/Makefile.in: Rebuild.
11604
11605         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
11606         gcctestdir/ld.
11607         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
11608         * testsuite/Makefile.in: Rebuild.
11609
11610 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
11611
11612         * Makefile.am (POTFILES.in): Set LC_ALL=C.
11613         * Makefile.in: Regenerate.
11614         * po/POTFILES.in: Regenerate.
11615
11616 2008-07-29  Ian Lance Taylor  <iant@google.com>
11617
11618         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
11619         symbols before other symbols.
11620         * testsuite/script_test_2.cc (test_addr): Declare.
11621         (test_addr_alias): Declare.
11622         (main): Check that test_addr and test_addr_alias have the right
11623         values.
11624         * testsuite/script_test_2.t: Define test_addr_alias and
11625         test_addr.
11626
11627 2008-07-24  Ian Lance Taylor  <iant@google.com>
11628
11629         PR 5990
11630         * descriptors.cc: New file.
11631         * descriptors.h: New file.
11632         * gold-threads.h (class Hold_optional_lock): New class.
11633         * fileread.cc: Include "descriptors.h".
11634         (File_read::~File_read): Release descriptor rather than closing
11635         it.
11636         (File_read::open) [file]: Call open_descriptor rather than open.
11637         Set is_descriptor_opened_.
11638         (File_read::open) [memory]: Assert that descriptor is not open.
11639         (File_read::reopen_descriptor): New function.
11640         (File_read::release): Release descriptor.
11641         (File_read::do_read): Make non-const.  Reopen descriptor.
11642         (File_read::read): Make non-const.
11643         (File_read::make_view): Reopen descriptor.
11644         (File_read::do_readv): Likewise.
11645         * fileread.h (class File_read): Add is_descriptor_opened_ field.
11646         Update declarations.
11647         * layout.cc: Include "descriptors.h".
11648         (Layout::create_build_id): Use open_descriptor rather than open.
11649         * output.cc: Include "descriptors.h".
11650         (Output_file::open): Use open_descriptor rather than open.
11651         * archive.cc (Archive::const_iterator): Change Archive to be
11652         non-const.
11653         (Archive::begin, Archive::end): Make non-const.
11654         (Archive::count_members): Likewise.
11655         * archive.h (class Archive): Update declarations.
11656         * object.h (Object::read): Make non-const.
11657         * Makefile.am (CCFILES): Add descriptors.cc.
11658         (HFILES): Add descriptors.h.
11659         * Makefile.in: Rebuild.
11660
11661         PR 6716
11662         * gold.h: Always include <clocale>.  Add Solaris workarounds
11663         following code in binutils/sysdep.h.
11664
11665         PR 6048
11666         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
11667         this->eh_frame_hdr_ is NULL before using it.
11668
11669         * dynobj.cc (Versions::Versions): Update comment.
11670
11671         * dynobj.cc (Versions::Versions): If there is an soname, use it as
11672         the base version name.
11673
11674         * stringpool.cc (Stringpool_template::add_with_length): Set key to
11675         array size plus one.
11676         (Stringpool_template::set_string_offsets): Subtract one from key
11677         before using it as an array index.
11678         (Stringpool_template::get_offset_with_length): Likewise.
11679         (Stringpool_template::write_to_buffer): Likewise.
11680         * stringpool.h (Stringpool_template::get_offset_from_key):
11681         Likewise.
11682
11683 2008-07-23  Ian Lance Taylor  <iant@google.com>
11684
11685         PR 6658
11686         * object.h (Merged_symbol_value::value): Do our best to handle a
11687         negative addend.
11688
11689         PR 6647
11690         * script.cc (Version_script_info::get_versions): Don't add empty
11691         version tag to return value.
11692         (Version_script_info::get_symbol_version_helper): Change return
11693         type to bool.  Add pversion parameter.  Change all callers.
11694         (script_register_vers_node): Don't require a non-NULL tag.
11695         * script.h (class Version_script_info): Update declarations.
11696         (Version_script_info::get_symbol_version): Change return type to
11697         bool.  Add version parameter.  Change all callers.
11698         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
11699         handling.  Handle an empty version from a version script.
11700         (Symbol_table::define_special_symbol): Likewise.
11701         * testsuite/ver_test_10.script: New file.
11702         * testsuite/ver_test_10.sh: New file.
11703         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
11704         (check_DATA): Add ver_test_10.syms.
11705         (ver_test_10.syms, ver_test_10.so): New target.
11706         * testsuite/Makefile.in: Rebuild.
11707
11708 2008-07-23  Simon Baldwin  <simonb@google.com>
11709
11710         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
11711         to zero for undefined symbols from dynamic libraries.
11712
11713 2008-07-23  Ian Lance Taylor  <iant@google.com>
11714
11715         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11716         Change all callers.
11717         * symtab.h (class Symbol_table): Update declaration.
11718         * testsuite/ver_test_9.cc: New file.
11719         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11720         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11721         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11722         (ver_test_9.so, ver_test_9.o): New targets.
11723         * testsuite/Makefile.in: Rebuild.
11724
11725 2008-07-22  Ian Lance Taylor  <iant@google.com>
11726
11727         * options.h (class General_options): Define --check-sections.
11728         * layout.cc (Layout::set_segment_offsets): Handle
11729         --check-sections.
11730
11731         * options.h (class General_options): Define -n/--nmagic and
11732         -N/--omagic.
11733         * options.cc (General_options::finalize): For -n/--nmagic or
11734         -N/--omagic, set -static.
11735         * layout.cc (Layout::attach_allocated_section_to_segment): If
11736         -N/--omagic, don't put read-only and read-write sections in
11737         different segments.
11738         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11739         finding a read-only segment.
11740         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11741         don't set the minimum segment alignment to the common page size,
11742         and don't set the file offset to the address modulo the page size.
11743         * script-sections.cc (Script_sections::create_segments): If
11744         -n/--omagic, don't put read-only and read-write sections in
11745         different segments.
11746
11747         * cref.cc: New file.
11748         * cref.h: New file.
11749         * options.h (class General_options): Add --print-symbol-counts.
11750         * main.cc (main): Issue defined symbol report if requested.
11751         * archive.cc (Archive::interpret_header): Make into a const member
11752         function.
11753         (Archive::add_symbols): Call Input_objects::archive_start and
11754         archive_stop.
11755         (Archive::const_iterator): Define new class.
11756         (Archive::begin, Archive::end): New functions.
11757         (Archive::include_all_members): Rewrite to use iterator.
11758         (Archive::count_members): New function.
11759         * archive.h (class Archive): Update declarations.
11760         (Archive::filename): New function.
11761         * object.cc: Include "cref.h".
11762         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11763         (Sized_relobj::do_get_global_symbol_counts): New function.
11764         (Input_objects::add_object): Add object to cross-referencer.
11765         (Input_objects::archive_start): New function.
11766         (Input_objects::archive_stop): New function.
11767         (Input_objects::print_symbol_counts): New function.
11768         * object.h: Declare Cref and Archive.
11769         (Object::get_global_symbol_counts): New function.
11770         (Object::do_get_global_symbol_counts): New pure virtual function.
11771         (class Sized_relobj): Add defined_count_ field.  Update
11772         declarations.
11773         (class Input_objects): Add cref_ field.  Update constructor.
11774         Update declarations.
11775         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11776         defined_count_.
11777         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11778         symbol counts.
11779         (Sized_dynobj::do_get_global_symbol_counts): New function.
11780         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11781         defined_count_.  Update declarations.  Define Symbols typedef.
11782         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11783         parameter.  Change all callers.
11784         (Symbol_table::add_from_dynobj): Add sympointers and defined
11785         parameters.  Change all callers.
11786         * symtab.h (class Symbol_table): Update declarations.
11787         * Makefile.am (CCFILES): Add cref.cc.
11788         (HFILES): Add cref.h.
11789         * Makefile.in: Rebuild.
11790
11791 2008-07-22  Simon Baldwin  <simonb@google.com>
11792
11793         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11794         to zero when writing undefined symbols.
11795
11796 2008-07-22  Ian Lance Taylor  <iant@google.com>
11797
11798         * output.cc (Output_section::add_input_section): Don't try to
11799         merge empty merge sections.
11800
11801 2008-07-21  Craig Silverstein  <csilvers@google.com>
11802
11803         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11804         Include symbol version in error message.
11805
11806 2008-07-20  Chris Demetriou  <cgd@google.com>
11807
11808         * configure.ac (gold_cv_c_random_seed): New configured variable.
11809         (RANDOM_SEED_CFLAGS): New substituted variable.
11810         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11811         * configure: Rebuild.
11812         * Makefile.in: Likewise.
11813         * testsuite/Makefile.in: Likewise.
11814
11815 2008-07-18  Ian Lance Taylor  <iant@google.com>
11816
11817         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11818         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11819         * testsuite/ver_test_main.cc (main): Call t4.
11820         (t4, t4_2a): Define.
11821         * testsuite/ver_test_2.cc (t4_2): Define.
11822         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11823         * testsuite/ver_test_4.cc (t4_2a): Define.
11824         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11825         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11826
11827 2008-07-17  Ian Lance Taylor  <iant@google.com>
11828
11829         * dynobj.cc (Versions::add_def): If we give an error about a
11830         missing version, go ahead and create the version anyhow.
11831
11832 2008-07-10  Ian Lance Taylor  <iant@google.com>
11833
11834         Handle output sections with more than 0x7fffffff bytes.
11835         * object.h (class Relobj): Change map_to_output_ to
11836         output_sections_, and just keep a section pointer.  Change all
11837         uses.  Move comdat group support to Sized_relobj.
11838         (Relobj::is_section_specially_mapped): Remove.
11839         (Relobj::output_section): Remove poff parameter.  Change all
11840         callers.
11841         (Relobj::output_section_offset): New function.
11842         (Relobj::set_section_offset): Rewrite.
11843         (Relobj::map_to_output): Remove.
11844         (Relobj::output_sections): New function.
11845         (Relobj::do_output_section_offset): New pure virtual function.
11846         (Relobj::do_set_section_offset): Likewise.
11847         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11848         group support from Relobj.  Update declarations.
11849         (Sized_relobj::get_output_section_offset): New function.
11850         (Sized_relobj::do_output_section_offset): New function.
11851         (Sized_relobj::do_set_section_offset): New function.
11852         * object.cc (Relobj::output_section_address): Remove.
11853         (Sized_relobj::Sized_relobj): Initialize new fields.
11854         (Sized_relobj::include_section_group): Cast find_kept_object to
11855         Sized_relobj.
11856         (Sized_relobj::include_linkonce_section): Likewise.
11857         (Sized_relobj::do_layout): Use separate arrays for output section
11858         and output offset.
11859         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11860         output_sections.
11861         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11862         output_sections and section_offsets.
11863         (Sized_relobj::write_local_symbols): Likewise.
11864         (map_to_kept_section): Compute output address directly.
11865         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11866         output_sections and section_offsets.
11867         (Sized_relobj::write_sections): Likewise.
11868         (Sized_relobj::relocate_sections): Likewise.
11869         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11870         * output.h (class Output_reloc): Update declarations.  Change
11871         u2_.relobj to Sized_relobj*.
11872         (class Output_data_reloc): Change add functions to use
11873         Sized_relobj*.
11874         * output.cc (Output_reloc::Output_reloc): Change relobj to
11875         Sized_relobj*.
11876         (Output_reloc::local_section_offset): Change return type to
11877         Elf_Addr.  Use get_output_section_offset.
11878         (Output_reloc::get_address): Likewise.
11879         (Output_section::is_input_address_mapped): Don't call
11880         is_section_specially_mapped.
11881         (Output_section::output_offset): Likewise.
11882         (Output_section::output_address): Likewise.
11883         (Output_section::starting_output_address): Likewise.
11884         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11885         parameter to Sized_relobj*.
11886         (Copy_relocs::need_copy_reloc): Likewise.
11887         (Copy_relocs::save): Likewise.
11888         * copy-relocs.h (class Copy_relocs): Update declarations.
11889         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11890         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11891         * target-reloc.h (relocate_for_relocatable): Change
11892         offset_in_output_section type to Elf_Addr.  Change code that uses
11893         it as well.
11894         * layout.cc (Layout::layout): Always set *off.
11895         * mapfile.cc (Mapfile::print_input_section): Use
11896         output_section_offset.
11897         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11898         Sized_relobj*.
11899         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11900         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11901         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11902
11903 2008-07-03  Ian Lance Taylor  <iant@google.com>
11904
11905         * layout.cc (Layout::include_section): Do not discard unrecognized
11906         SHT_STRTAB sections.
11907
11908 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11909
11910         * script.cc (Lex::can_continue_name): Make '?' allowable in
11911         version-script names.
11912         * testsuite/version_script.map: Change glob pattern to use '?'
11913
11914 2008-06-30  Manish Singh  <yosh@gimp.org>
11915
11916         PR 6585
11917         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11918         Correct typo.
11919
11920 2008-06-30  Ian Lance Taylor  <iant@google.com>
11921
11922         PR 6660
11923         PR 6682
11924         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11925         versions]: Don't try to read the value in the contents, since we
11926         don't use it.  Use the template endianness when writing.
11927
11928 2008-06-25  Cary Coutant  <ccoutant@google.com>
11929
11930         * fileread.cc (File_read::make_view): Assert on zero-length view.
11931         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11932         symbol table when there are no symbols to read.
11933
11934 2008-06-23  Craig Silverstein  <csilvers@google.com>
11935
11936         * version.cc (version_string): Bump to 1.7
11937
11938 2008-06-18  Craig Silverstein  <csilvers@google.com>
11939
11940         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11941         constant 0xFFFF to type Valtype.
11942         (Powerpc_relocate_functions::rel16_ha): Likewise.
11943
11944 2008-06-17  Ian Lance Taylor  <iant@google.com>
11945
11946         * output.h (Output_section::Input_section): Initialize p2align_ to
11947         zero for Output_section_data constructors.
11948         (Output_section::Input_section::addralign): If not an input
11949         section, return the alignment of the Output_section_data.
11950         * testsuite/copy_test.cc: New file.
11951         * testsuite/copy_test_1.cc: New file.
11952         * testsuite/copy_test_2.cc: New file.
11953         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11954         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11955         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11956         (copy_test_1_pic.o, copy_test_1.so): New targets.
11957         (copy_test_2_pic.o, copy_test_2.so): New targets.
11958         * testsuite/Makefile.in: Rebuild.
11959
11960         * script-sections.cc (Script_sections::place_orphan): Initialize
11961         local variable exact.
11962
11963 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11964
11965         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11966
11967 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11968             David S. Miller  <davem@davemloft.net>
11969
11970         * powerpc.cc: New file.
11971         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11972         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11973         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11974         * Makefile.in: Rebuild.
11975
11976 2008-06-09  Ian Lance Taylor  <iant@google.com>
11977
11978         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11979         <exception>.
11980         (throwing, orig_terminate): New static variables.
11981         (terminate_handler): New static function.
11982         (t2): Set terminate handler.
11983
11984 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11985
11986         PR 6584
11987         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11988         alignment.
11989
11990 2008-05-30  Cary Coutant  <ccoutant@google.com>
11991
11992         * archive.cc (Archive::include_all_members) Correct to step
11993         over symbol table and extended name table in thin archives.
11994
11995 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11996
11997         PR 6407
11998         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11999         calculation.
12000
12001 2008-05-28  Caleb Howe  <cshowe@google.com>
12002
12003         * reduced_debug_output.cc: New file.
12004         * reduced_debug_output.h: New file.
12005         * options.h (class General_options): Add --strip-debug-non-line.
12006         * options.cc (General_options::finalize): Add strip_debug_non_line
12007         to the strip heirarchy.
12008         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
12009         fields.
12010         * layout.cc: Include "reduced_debug_output.h".
12011         (Layout::Layout): Initialize new fields.
12012         (line_only_debug_sections): New static array.
12013         (is_lines_only_debug_sections): New static inline function.
12014         (Layout::include_section): Handle --strip-debug-non-line.
12015         (Layout::make_output_section): If --strip-debug-non-line, build
12016         new output sections for .debug_abbrev and .debug_info.
12017         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
12018         gold.  Warn about possible overflow.
12019         (read_signed_LEB_128): Likewise.
12020         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
12021         (read_signed_LEB_128): Declare.
12022         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
12023         (HFILES): Add reduced_debug_output.h.
12024         * Makefile.in: Rebuild.
12025
12026 2008-05-21  Ian Lance Taylor  <iant@google.com>
12027
12028         * mapfile.cc: New file.
12029         * mapfile.h: New file.
12030         * options.h (class General_options): Add -M/--print-map and -Map.
12031         * options.cc (General_options::finalize): Make -M equivalent to
12032         -Map -.
12033         * main.cc: Include <cstdio> and "mapfile.h".
12034         (main): Open mapfile if requested.
12035         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
12036         constructor.  Change caller.
12037         (queue_initial_tasks): Add mapfile parameter.  Change caller.
12038         (queue_middle_tasks): Likewise.
12039         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
12040         declarations.
12041         * archive.cc: Include "mapfile.h".
12042         (Archive::add_symbols): Add mapfile parameter.  Change all
12043         callers.  Pass mapfile, symbol, and reason to include_member.
12044         (Archive::include_all_members): Add mapfile parameter.  Change all
12045         callers.
12046         (Archive::include_member): Add mapfile, sym, and why parameters.
12047         Change all callers.  Report inclusion to map file.
12048         * archive.h: Include "fileread.h".
12049         (class Archive): Update declarations.
12050         (Archive::file): New const method.
12051         (class Add_archive_symbols): Add mapfile_ field.  Update
12052         constructor.  Change all callers.
12053         * readsyms.h (class Read_symbols): Likewise.
12054         (class Finish_group): Likewise.
12055         (class Read_script): Likewise.
12056         * common.cc: Include "mapfile.h".
12057         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
12058         all callers.
12059         (Symbol_table::do_allocate_commons): Likewise.
12060         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
12061         symbol allocation to mapfile.
12062         * common.h (class Allocate_commons_task): Add mapfile_ field.
12063         Update constructor.  Change all callers.
12064         * symtab.h (class Symbol_table): Update declarations.
12065         * layout.cc: Include "mapfile.h".
12066         (Layout_task_runner::run): Print information to mapfile.
12067         (Layout::create_gold_note): Change Output_data_fixed_space to
12068         Output_data_zero_fill.
12069         (Layout::create_build_id): Likewise.
12070         (Layout::print_to_mapfile): New function.
12071         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
12072         constructor.  Change caller.
12073         (class Layout): Declare print_to_mapfile.
12074         * output.cc (Output_section::Input_section::print_to_mapfile): New
12075         function.
12076         (Output_section::add_input_section): If producing a map, always
12077         add to input_sections_ list.
12078         (Output_section::do_print_to_mapfile): New function.
12079         (Output_segment::print_sections_to_mapfile): New function.
12080         (Output_segment::print_section_list_to_mapfile): New function.
12081         * output.h: Include "mapfile.h".
12082         (Output_data::print_to_mapfile): New function.
12083         (Output_data::do_print_to_mapfile): New virtual function.
12084         (Output_segment_headers::do_print_to_mapfile): New function.
12085         (Output_file_header::do_print_to_mapfile): New function.
12086         (Output_data_const::do_print_to_mapfile): New function.
12087         (class Output_data_const_buffer): Add map_name_ field.  Update
12088         constructor.  Change all callers.  Add do_print_to_mapfile
12089         function.
12090         (class Output_data_fixed_space): Likewise.
12091         (class Output_data_space): Likewise.
12092         (class Output_data_zero_fill): New class.
12093         (Output_data_strtab::do_print_to_mapfile): New function.
12094         (Output_data_reloc_base::do_print_to_mapfile): New function.
12095         (Output_relocatable_relocs::do_print_to_mapfile): New function.
12096         (Output_data_group::do_print_to_mapfile): New function.
12097         (Output_data_got::do_print_to_mapfile): New function.
12098         (Output_data_dynamic::do_print_to_mapfile): New function.
12099         (Output_symtab_xindex::do_print_to_mapfile): New function.
12100         (class Output_section): Declare do_print_to_mapflie.  Declare
12101         print_to_mapfile in Input_section.
12102         (class Output_segment): Declare new functions.
12103         * object.h (Sized_relobj::symbol_count): New function.
12104         * script-sections.cc
12105         (Output_section_element_dot_assignment::set_section_addresses):
12106         Change Output_data_fixed_space to Output_data_zero_fill.
12107         (Output_data_expression::do_print_to_mapfile): New function.
12108         * script.cc (read_input_script): Add mapfile parameter.  Change
12109         all callers.
12110         * script.h (read_input_script): Update declaration.
12111         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
12112         (Eh_frame::do_print_to_mapfile): New function.
12113         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
12114         (Output_merge_string::do_print_to_mapfile): New function.
12115         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
12116         function.
12117         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
12118         function.
12119         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
12120         function.
12121         * Makefile.am (CCFILES): Add mapfile.cc.
12122         (HFILES): Add mapfile.h.
12123         * Makefile.in: Rebuild.
12124
12125 2008-05-19  Ian Lance Taylor  <iant@google.com>
12126
12127         * options.h (class General_options): Add -z relro.
12128         * layout.cc (Layout::Layout): Initialize relro_segment_.
12129         (Layout::add_output_section_data): Return the output section.
12130         (Layout::make_output_section): Rcognize relro sections and mark
12131         them appropriately.
12132         (Layout::attach_allocated_section_to_segment): Put relro sections
12133         in a PT_GNU_RELRO segment.
12134         (Layout::create_initial_dynamic_sections): Mark the .dynamic
12135         section as relro.
12136         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
12137         PT_TLS segments.
12138         (Layout::linkonce_mapping): Map d.rel.ro.local to
12139         .data.rel.ro.local.
12140         (Layout::output_section_name): Us .data.rel.ro.local for any
12141         section which begins with that.
12142         * layout.h (class Layout): Update add_output_section_data
12143         declaration.  Add relro_segment_ field.
12144         * output.cc (Output_section::Output_section): Initialize is_relro_
12145         and is_relro_local_ fields.
12146         (Output_segment::add_output_section): Group relro sections.
12147         (Output_segment::is_first_section_relro): New function.
12148         (Output_segment::maximum_alignment): If there is a relro section,
12149         align the segment to the common page size.
12150         (Output_segment::set_section_addresses): Track whether we are
12151         looking at relro sections.  If the last section is a relro
12152         section, align to the common page size.
12153         (Output_segment::set_section_list_addresses): Add in_relro
12154         parameter.  Change all callers.  Align to the page size when
12155         moving from relro to non-relro section.
12156         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
12157         segment.
12158         * output.h (class Output_section): Add is_relro_ and
12159         is_relro_local_ fields.
12160         (Output_section::is_relro): New function.
12161         (Output_section::set_is_relro): New function.
12162         (Output_section::is_relro_local): New function.
12163         (Output_section::set_is_relro_local): New function.
12164         (class Output_segment): Update declarations.
12165         * i386.cc (Target_i386::got_section): Mark .got section as relro.
12166         * sparc.cc (Target_sparc::got_section): Likewise.
12167         * x86_64.cc (Target_x86_64::got_section): Likewise.
12168         * testsuite/relro_test_main.cc: New file.
12169         * testsuite/relro_test.cc: New file.
12170         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
12171         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
12172         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
12173         (relro_test.so, relro_test_pic.o): New targets.
12174         * testsuite/Makefile.in: Rebuild.
12175
12176 2008-05-16  Ian Lance Taylor  <iant@google.com>
12177
12178         * output.cc (Output_segment::add_output_section): Remove front
12179         parameter.
12180         * output.h (class Output_segment): Remove
12181         add_initial_output_section and overloaded add_output_section.
12182         Update declaration of remaining add_output_section.
12183         * layout.cc (Layout::create_interp): Call add_output_section
12184         rather than add_initial_output_section.
12185         (Layout::finish_dynamic_section): Likewise.
12186
12187         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
12188         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
12189         know the dynamic type.
12190         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
12191         field.  Initialize it in constructor.
12192         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
12193         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
12194         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
12195         reloc.
12196
12197         * output.cc (Output_reloc::get_address): Change return type to
12198         Elf_Addr.
12199         * output.h (class Output_reloc): Update get_address declaration.
12200         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
12201         for section addresses.
12202
12203 2008-05-09  Ian Lance Taylor  <iant@google.com>
12204
12205         PR 6493
12206         * gold.cc (gold_nomem): Use return value of write.
12207
12208 2008-05-08  Ian Lance Taylor  <iant@google.com>
12209
12210         * symtab.c (Symbol::init_base_output_data): Add version
12211         parameter.  Change all callers.
12212         (Symbol::init_base_output_segment): Likewise.
12213         (Symbol::init_base_constant): Likewise.
12214         (Symbol::init_base_undefined): Likewise.
12215         (Sized_symbol::init_output_data): Likewise.
12216         (Sized_symbol::init_output_segment): Likewise.
12217         (Sized_symbol::init_constant): Likewise.
12218         (Sized_symbol::init_undefined): Likewise.
12219         (Symbol_table::do_define_in_output_data): If the new symbol has a
12220         version, mark it as the default.
12221         (Symbol_table::do_define_in_output_segment): Likewise.
12222         (Symbol_table::do_define_as_constant): Likewise.
12223         * symtab.h (class Symbol): Update declarations.
12224         (class Sized_symbol): Likewise.
12225         * resolve.cc (Symbol::override_version): New function.
12226         (Symbol::override_base): Call override_version.
12227         (Symbol::override_base_with_special): Likewise.
12228         * testsuite/ver_script_8.script: New file.
12229         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
12230         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
12231         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
12232         (ver_test_8_1.so, ver_test_8_2.so): New targets.
12233
12234 2008-05-06  Ian Lance Taylor  <iant@google.com>
12235
12236         PR 6049
12237         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
12238         functions.
12239         (class General_options): Remove existing --undefined, and add
12240         --no-undefined instead.  Add new --undefined as synonym for -u.
12241         * archive.cc (Archive::add_symbols): Check whether symbol was
12242         named with -u.
12243         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
12244         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
12245         all uses.  Add IS_UNDEFINED.  Update declarations to split
12246         different versions of init_base.  Declare init_base_undefined.
12247         (Symbol::is_defined): Handle IS_UNDEFINED.
12248         (Symbol::is_undefined): Likewise.
12249         (Symbol::is_weak_undefined): Call is_undefined.
12250         (Symbol::is_absolute): Handle IS_CONSTANT.
12251         (class Sized_symbol): Update declarations to split different
12252         versions of init.  Declare init_undefined.
12253         (class Symbol_table): Declare new functions.
12254         * symtab.cc (Symbol::init_base_object): Rename from init_base.
12255         Change all callers.
12256         (Symbol::init_base_output_data): Likewise.
12257         (Symbol::init_base_output_segment): Likewise.
12258         (Symbol::init_base_constant): Likewise.
12259         (Symbol::init_base_undefined): New function.
12260         (Sized_symbol::init_object): Rename from init.  Change all
12261         callers.
12262         (Sized_symbol::init_output_data): Likewise.
12263         (Sized_symbol::init_output_segment): Likewise.
12264         (Sized_symbol::init_constant): Likewise.
12265         (Sized_symbol::init_undefined): New function.
12266         (Symbol_table::add_undefined_symbols_from_command_line): New
12267         function.
12268         (Symbol_table::do_add_undefined_symbols_from_command_line): New
12269         function.
12270         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
12271         (Symbol::output_section): Likewise.
12272         (Symbol::set_output_section): Likewise.
12273         (Symbol_table::sized_finalize_symbol): Likewise.
12274         (Symbol_table::sized_write_globals): Likewise.
12275         * resolve.cc (Symbol_table::should_override): Likewise.
12276         (Symbol::override_base_with_special): Likewise.
12277
12278         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
12279         symbol, change it to have default visibility.
12280         * testsuite/protected_1.cc: New file.
12281         * testsuite/protected_2.cc: New file.
12282         * testsuite/protected_3.cc: New file.
12283         * testsuite/protected_main_1.cc: New file.
12284         * testsuite/protected_main_2.cc: New file.
12285         * testsuite/protected_main_3.cc: New file.
12286         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
12287         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
12288         (protected_1_LDFLAGS, protected_1_LDADD): Define.
12289         (protected_1.so): New target.
12290         (protected_1_pic.o, protected_2_pic.o): New targets.
12291         (protected_3_pic.o): New target.
12292         (check_PROGRAMS): Add protected_2.
12293         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
12294         (protected_2_LDFLAGS, protected_2_LDADD): Define.
12295         * testsuite/Makefile.in: Rebuild.
12296
12297         * options.h (DEFINE_var): Add set_user_set_##varname__.
12298         (DEFINE_bool_alias): New macro.
12299         (class General_options): Define -Bstatic using DEFINE_bool_alias
12300         rather than DEFINE_special.  Add --undefined as an alias for -z
12301         defs.
12302         * options.cc (General_options::parse_Bstatic): Remove.
12303
12304         * options.h (class General_options): Add --fatal-warnings.
12305         * main.cc (main): Implement --fatal-warnings.
12306         * errors.h (Errors::warning_count): New function.
12307
12308         * options.h (class General_options): Add -Bsymbolic-functions.
12309         * symtab.h (Symbol::is_preemptible): Check for
12310         -Bsymbolic-functions.
12311
12312 2008-05-05  Ian Lance Taylor  <iant@google.com>
12313
12314         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12315         as noVARNAME rather than no-VARNAME.
12316         (class General_options): Add option -z combreloc.
12317         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12318         get_address.
12319         (Output_reloc::sort_before) [SHT_REL]: New function.
12320         (Output_reloc::sort_before) [SHT_RELA]: New function.
12321         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12322         Sort_relocs_comparison.
12323         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12324         parameter.  Change all callers.
12325         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12326         sort_relocs parameter.  Change all callers.
12327         * output.cc (Output_reloc::get_address): New function, broken out
12328         of write_rel.
12329         (Output_reloc::write_rel): Call it.
12330         (Output_reloc::compare): New function.
12331         (Output_data_reloc_base::do_write): Optionally sort relocs.
12332
12333         * configure.ac: If targ_extra_obj is set, link it in.
12334         * configure.tgt: Initialize all variables.
12335         (x86_64*): Set targ_extra_obj and targ_extra_size.
12336         * configure: Rebuild.
12337
12338         * object.cc (Sized_relobj::include_section_group): Adjust section
12339         indexes read from group data.  Build vector to pass to
12340         layout_group.
12341         * layout.cc (Layout::layout_group): Add flags and shndxes
12342         parameters.  Remove contents parameter.  Change caller.  Update
12343         explicit instantiations.
12344         * layout.h (class Layout): Update layout_group declaration.
12345         * output.cc (Output_data_group::Output_data_group): Add flags and
12346         input_shndxes parameters.  Remove contents parameter.  Change
12347         caller.
12348         (Output_data_group::do_write): Change input_sections_ to
12349         input_shndxes_.
12350         * output.h (class Output_data_group): Update constructor
12351         declaration.  Rename input_sections_ to input_shndxes_.
12352         * testsuite/many_sections_test.cc: Add template.
12353
12354 2008-04-30  Cary Coutant  <ccoutant@google.com>
12355
12356         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12357
12358         * layout.cc (Layout::include_section): Refactored check for debug
12359         info section.
12360         (Layout::add_comdat): Add new parameters.  Change type
12361         of signature parameter.  Add object and shndx to signatures table.
12362         (Layout::find_kept_object): New function.
12363         * layout.h: Include <cstring>.
12364         (Layout::is_debug_info_section): New function.
12365         (Layout::add_comdat): Add new parameters.
12366         (Layout::find_kept_object): New function.
12367         (Layout::Kept_section): New struct.
12368         (Layout::Signatures): Change type of map range.
12369         * object.cc (Relobj::output_section_address): New function.
12370         (Sized_relobj::include_section_group): Add new parameters.  Change
12371         calls to Layout::add_comdat.  Change to build table of kept comdat
12372         groups and table mapping discarded sections to kept sections.
12373         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12374         (Sized_relobj::do_layout): Change calls to include_section_group and
12375         include_linkonce_section.
12376         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12377         value to zero when section is discarded.
12378         (Sized_relobj::map_to_kept_section): New function.
12379         * object.h (Relobj::output_section_address): New function.
12380         (Relobj::Comdat_group): New type.
12381         (Relobj::find_comdat_group): New function.
12382         (Relobj::Comdat_group_table): New type.
12383         (Relobj::Kept_comdat_section): New type.
12384         (Relobj::Kept_comdat_section_table): New type.
12385         (Relobj::add_comdat_group): New function.
12386         (Relobj::set_kept_comdat_section): New function.
12387         (Relobj::get_kept_comdat_section): New function.
12388         (Relobj::comdat_groups_): New field.
12389         (Relobj::kept_comdat_sections_): New field.
12390         (Symbol_value::input_value): Update comment.
12391         (Sized_relobj::map_to_kept_section) New function.
12392         (Sized_relobj::include_linkonce_section): Add new parameter.
12393         * target-reloc.h (Comdat_behavior): New type.
12394         (get_comdat_behavior): New function.
12395         (relocate_section): Add code to map a discarded section to the
12396         corresponding kept section when applying a relocation.
12397
12398 2008-04-30  Craig Silverstein  <csilvers@google.com>
12399
12400         * dwarf_reader.cc (next_generation_count): New static var.
12401         (Addr2line_cache_entry): New struct.
12402         (addr2line_cache): New static var.
12403         (Dwarf_line_info::one_addr2line): Added caching.
12404         (Dwarf_line_info::clear_addr2line_cache): New function.
12405         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12406         cache-size parameter.
12407         (Dwarf_line_info::one_addr2line_cache): New function.
12408         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12409         new cache-size argument to one_addr2line(), and clear cache.
12410
12411 2008-04-28  Cary Coutant  <ccoutant@google.com>
12412
12413         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12414         R_386_PC8 relocations.
12415
12416 2008-04-23  Ian Lance Taylor  <iant@google.com>
12417
12418         * object.cc (Sized_relobj::include_section_group): Check for
12419         invalid section group.
12420
12421         * object.cc (make_elf_object): Correct test for 64-bit ELF file
12422         header size.
12423
12424         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
12425         than read for file header.
12426         * archive.cc (Archive::include_member): Likewise.
12427
12428 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
12429
12430         * aclocal.m4: Regenerate.
12431         * configure: Regenerate.
12432
12433 2008-04-19  Ian Lance Taylor  <iant@google.com>
12434
12435         * version.cc (version_string): Bump to 1.6.
12436
12437         * testsuite/Makefile.am (many_sections_r_test): New target.
12438         (many_sections_r_test_SOURCES): Remove.
12439         (many_sections_r_test_DEPENDENCIES): Remove.
12440         (many_sections_r_test_LDFLAGS): Remove.
12441         (many_sections_r_test_LDADD): Remove.
12442
12443         * object.cc (Sized_relobj::do_add_symbols): Always pass
12444         local_symbol_count_ to add_from_relobj.
12445
12446         * testsuite/Makefile.am (many_sections_check.h): Only check one in
12447         every thousand variables.
12448         * testsuite/Makefile.in: Rebuild.
12449
12450         * object.cc (Xindex::initialize_symtab_xindex): New function.
12451         (Xindex::read_symtab_xindex): New function.
12452         (Xindex::sym_xindex_to_shndx): New function.
12453         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
12454         available.
12455         (Sized_relobj::do_initialize_xindex): New function.
12456         (Sized_relobj::do_read_symbols): Adjust section links.
12457         (Sized_relobj::symbol_section_and_value): Add is_ordinary
12458         parameter.  Change all callers.
12459         (Sized_relobj::include_section_group): Adjust section links and
12460         symbol section indexes.
12461         (Sized_relobj::do_layout): Adjust section links.
12462         (Sized_relobj::do_count_local_symbols): Adjust section links and
12463         symbol section indexes.
12464         (Sized_relobj::do_finalize_local_symbols): Distinguish between
12465         ordinary and special symbols.
12466         (Sized_relobj::write_local_symbols): Add symtab_xindex and
12467         dynsym_xindex parameters.  Change all callers.  Adjust section
12468         links.  Use SHN_XINDEX when needed.
12469         (Sized_relobj::get_symbol_location_info): Adjust section links.
12470         Don't get fooled by special symbols.
12471         * object.h (class Xindex): Define.
12472         (class Object): Add xindex_ parameter.  Declare virtual functoin
12473         do_initialize_xindex.
12474         (Object::adjust_sym_shndx): New function.
12475         (Object::set_xindex): New protected function.
12476         (class Symbol_value): Add is_ordinary_shndx_ field.
12477         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
12478         (Symbol_value::value): Assert ordinary section.
12479         (Symbol_value::initialize_input_to_output_map): Likewise.
12480         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
12481         Change all callers.
12482         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
12483         all callers.
12484         (class Sized_relobj): Update declarations.
12485         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
12486         parameter.  Change all callers.
12487         (Sized_relobj::adjust_shndx): New function.
12488         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
12489         field.
12490         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
12491         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
12492         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
12493         (Sized_dynobj::read_dynsym_section): Adjust section links.
12494         (Sized_dynobj::read_dynamic): Likewise.
12495         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
12496         section links.
12497         (Sized_dynobj::do_initialize_xindex): New function.
12498         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
12499         do_initialize_xindex.
12500         (Sized_dynobj::adjust_shndx): New function.
12501         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
12502         dynsym_xindex_ fields.
12503         (Layout::finalize): Add a call to set_section_indexes before
12504         creating the symtab sections.
12505         (Layout::set_section_indexes): Don't do anything if the section
12506         already has a section index.
12507         (Layout::create_symtab_sections): Add shnum parameter.  Change
12508         caller.  Create .symtab_shndx section if needed.
12509         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
12510         caller.
12511         (Layout::allocated_output_section_count): New function.
12512         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
12513         needed.
12514         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
12515         fields.  Update declarations.
12516         (Layout::symtab_xindex): New function.
12517         (Layout::dynsym_xindex): New function.
12518         (class Write_symbols_task): Add layout_ field.
12519         (Write_symbols_task::Write_symbols_task): Add layout parameter.
12520         Change caller.
12521         * output.cc (Output_section_headers::Output_section_headers): Add
12522         shstrtab_section parameter.  Change all callers.
12523         (Output_section_headers::do_sized_write): Store overflow values
12524         for section count and section string table section index in
12525         section header zero.
12526         (Output_file_header::do_sized_write): Check for overflow of
12527         section count and section string table section index.
12528         (Output_symtab_xindex::do_write): New function.
12529         (Output_symtab_xindex::endian_do_write): New function.
12530         * output.h (class Output_section_headers): Add shstrtab_section_.
12531         Update declarations.
12532         (class Output_symtab_xindex): Define.
12533         (Output_section::has_out_shndx): New function.
12534         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
12535         field.
12536         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
12537         Change all callers.
12538         (Sized_symbol::init): Likewise.
12539         (Symbol::output_section): Check for ordinary symbol.
12540         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
12541         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
12542         callers.
12543         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
12544         Change all callers.  Simplify handling of symbols from sections
12545         not included in the link.
12546         (Symbol_table::add_from_dynobj): Handle ordinary symbol
12547         distinction.
12548         (Weak_alias_sorter::operator()): Assert that symbols are
12549         ordinary.
12550         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
12551         distinction.
12552         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
12553         parameters.  Change all callers.
12554         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
12555         symbol distinction.  Use SHN_XINDEX when needed.
12556         (Symbol_table::write_section_symbol): Add symtab_xindex
12557         parameter.  Change all callers.
12558         (Symbol_table::sized_write_section_symbol): Likewise.  Use
12559         SHN_XINDEX when needed.
12560         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
12561         declarations.
12562         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
12563         (Symbol::is_defined): Check is_ordinary.
12564         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
12565         (Symbol::is_absolute, Symbol::is_common): Likewise.
12566         (class Sized_symbol): Update declarations.
12567         (class Symbol_table): Update declarations.
12568         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
12569         parameters.  Change all callers.
12570         (Sized_symbol::override): Likewise.
12571         (Symbol_table::override): Likewise.
12572         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
12573         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
12574         is_ordinary, and orig_st_shndx parameters.  Change all callers.
12575         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
12576         to be in an ordinary section.
12577         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
12578         object and is_ordinary parameters.  Change all callers.
12579         (Sized_dwarf_line_info::read_relocs): Add object parameter.
12580         Change all callers.  Don't add undefined or non-ordinary symbols
12581         to reloc_map_.
12582         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
12583         Change all callers.
12584         * dwarf_reader.h (class Sized_dwarf_line_info): Update
12585         declarations.
12586         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
12587         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
12588         (Sized_relobj::relocate_sections): Likewise.
12589         * target-reloc.h (scan_relocs): Adjust section symbol index.
12590         (scan_relocatable_relocs): Likewise.
12591         * i386.cc (Scan::local): Check for ordinary symbols.
12592         * sparc.cc (Scan::local): Likewise.
12593         * x86_64.cc (Scan::local): Likewise.
12594         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
12595         to symbol_section_and_value.
12596         * testsuite/many_sections_test.cc: New file.
12597         * testsuite/Makefile.am (BUILT_SOURCES): Define.
12598         (check_PROGRAMS): Add many_sections_test.
12599         (many_sections_test_SOURCES): Define.
12600         (many_sections_test_DEPENDENCIES): Define.
12601         (many_sections_test_LDFLAGS): Define.
12602         (BUILT_SOURCES): Add many_sections_define.h.
12603         (many_sections_define.h): New target.
12604         (BUILT_SOURCES): Add many_sections_check.h.
12605         (many_sections_check.h): New target.
12606         (check_PROGRAMS): Add many_sections_r_test.
12607         (many_sections_r_test_SOURCES): Define.
12608         (many_sections_r_test_DEPENDENCIES): Define.
12609         (many_sections_r_test_LDFLAGS): Define.
12610         (many_sections_r_test_LDADD): Define.
12611         (many_sections_r_test.o): New target.
12612         * testsuite/Makefile.in: Rebuild.
12613
12614 2008-04-17  Cary Coutant  <ccoutant@google.com>
12615
12616         * errors.cc (Errors::info): New function.
12617         (gold_info): New function.
12618         * errors.h (Errors::info): New function.
12619         * gold.h (gold_info): New function.
12620         * object.cc (Input_objects::add_object): Print trace output.
12621         * options.cc (options::parse_set): New function.
12622         (General_options::parse_wrap): Deleted.
12623         (General_options::General_options): Deleted initializer.
12624         * options.h (options::String_set): New typedef.
12625         (options::parse_set): New function.
12626         (DEFINE_set): New macro.
12627         (General_options::wrap): Changed to use DEFINE_set. Changed
12628         callers of any_wrap_symbols and is_wrap_symbol.
12629         (General_options::trace, General_options::trace_symbol):
12630         New options.
12631         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
12632         (General_options::wrap_symbols_): Deleted.
12633         * symtab.cc (Symbol_table::add_from_object): Print trace output.
12634
12635 2008-04-17  David S. Miller  <davem@davemloft.net>
12636
12637         * options.cc (General_options::parse_V): New function.
12638         * options.h: Add entries for -V and -Qy.
12639
12640 2008-04-17  Ian Lance Taylor  <iant@google.com>
12641
12642         * common.cc (Symbol_table::allocate_commons): Remove options
12643         parameter.  Change caller.
12644         (Symbol_table::do_allocate_commons): Remove options parameter.
12645         Change caller.  Just call do_allocate_commons_list twice.
12646         (Symbol_table::do_allocate_commons_list): New function, broken out
12647         of do_allocate_commons.
12648         * common.h (class Allocate_commons_task): Remove options_ field.
12649         Update constructor.
12650         * symtab.cc (Symbol_table::Symbol_table): Initialize
12651         tls_commons_.
12652         (Symbol_table::add_from_object): Put TLS common symbols on
12653         tls_commons_ list.
12654         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
12655         which are IN_OUTPUT_DATA.
12656         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
12657         allocate_commons and do_allocate_commons declarations.  Declare
12658         do_allocate_commons_list.
12659         * gold.cc (queue_middle_tasks): Update creation of
12660         Allocate_commons_task to not pass options.
12661         * testsuite/Makefile.am (INCLUDES): Add -I.. .
12662         (TLS_TEST_C_FLAGS): New variable.
12663         (tls_test_c_pic.o): New target.
12664         (tls_test_shared.so): Link in tls_test_c_pic.o.
12665         (tls_test_c_pic_ie.o): New target.
12666         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
12667         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
12668         (tls_test_c.o): New target.
12669         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
12670         (tls_pic_test_LDADD): Likewise.
12671         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
12672         (tls_shared_gd_to_ie_test_LDADD): Likewise.
12673         (tls_test_c_gnu2.o): New target.
12674         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
12675         tls_test_c_gnu2.o.
12676         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
12677         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
12678         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
12679         * testsuite/tls_test.cc: Include "config.h".
12680         (t_last): Call t11_last.
12681         * testsuite/tls_test.h (t11, t11_last): Declare.
12682         * testsuite/tls_test_c.c: New file.
12683         * testsuite/tls_test_main.cc (thread_routine): Call t11.
12684         * configure.ac: Check for OpenMP support.
12685         * configure, config.in, Makefile.in: Rebuild.
12686         * testsuite/Makefile.in: Rebuild.
12687
12688 2008-04-16  Cary Coutant  <ccoutant@google.com>
12689
12690         * i386.cc (Target_i386::define_tls_base_symbol): New function.
12691         (Target_i386::tls_base_symbol_defined_): New field.
12692         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12693         (Target_i386::Scan::global): Likewise.
12694         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
12695         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
12696         (Target_x86_64::tls_base_symbol_defined_): New field.
12697         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12698         (Target_x86_64::Scan::global): Likewise.
12699
12700 2008-04-16  Cary Coutant  <ccoutant@google.com>
12701
12702         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
12703         (Symbol::needs_plt_entry): Allow weak undefined symbols.
12704         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
12705         building shared libraries.
12706         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
12707         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
12708         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
12709         * testsuite/Makefile.in: Rebuild.
12710         * testsuite/weak_undef.h: New file.
12711         * testsuite/weak_undef_file1.cc: Add extra test cases.
12712         * testsuite/weak_undef_file2.cc: Likewise.
12713         * testsuite/weak_undef_test.cc: Likewise.
12714
12715 2008-04-16  David S. Miller  <davem@davemloft.net>
12716
12717         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12718         Add issued_non_pic_error_ field.  Declare check_non_pic.
12719         (Target_sparc::Scan::check_non_pic): New function.
12720         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12721         (Target_sparc::Scan::global): Likewise.
12722
12723         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12724         * configure: Rebuild.
12725
12726         * options.h (DEFINE_enable): New macro.
12727         (new_dtags): New enable option.
12728         (initfirst, interpose, loadfltr, nodefaultlib,
12729         nodelete, nodlopen, nodump): New -z options.
12730         * layout.cc (Layout:finish_dynamic_section): If new
12731         dtags enabled, emit DT_RUNPATH.  Also, emit a
12732         DT_FLAGS_1 containing any specified -z flags.
12733
12734 2008-04-16  Ian Lance Taylor  <iant@google.com>
12735
12736         * copy-relocs.cc: New file.
12737         * copy-relocs.h: New file.
12738         * reloc.cc: Remove Copy_relocs code.
12739         * reloc.h: Likewise.
12740         * reloc-types.h (struct Reloc_types) [both versions]: Add
12741         get_reloc_addend_noerror.
12742         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12743         variants of add_global which take an addend which must be zero.
12744         * i386.cc: Include "copy-relocs.h".
12745         (class Target_i386): Change type of copy_relocs_ to variable,
12746         update initializer.
12747         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12748         Change all callers.
12749         (Target_i386::do_finalize_sections): Change handling of
12750         copy_relocs_.
12751         * sparc.cc: Include "copy-relocs.h".
12752         (class Target_sparc): Change type of copy_relocs_ to variable,
12753         update initializer.
12754         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12755         Change all callers.
12756         (Target_sparc::do_finalize_sections): Change handling of
12757         copy_relocs_.
12758         * x86_64.cc: Include "copy-relocs.h".
12759         (class Target_x86_64): Change type of copy_relocs_ to variable,
12760         update initializer.
12761         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12762         class.  Change all callers.
12763         (Target_x86_64::do_finalize_sections): Change handling of
12764         copy_relocs_.
12765         * Makefile.am (CCFILES): Add copy-relocs.cc.
12766         (HFILES): Add copy-relocs.h.
12767
12768         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12769
12770         * testsuite/script_test_4.sh: Permit leading zeroes.
12771
12772 2008-04-15  Ian Lance Taylor  <iant@google.com>
12773
12774         * script-sections.cc (Script_sections::create_segments): Use
12775         header_size_adjustment even when there is enough room for the
12776         headers.
12777         * testsuite/script_test_4.sh: New file.
12778         * testsuite/script_test_4.t: New file.
12779         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12780         (check_DATA): Add script_test_4.stdout.
12781         (MOSTLYCLEANFILES): Likewise.
12782         (script_test_4): New target.
12783         (script_test_4.stdout): New target.
12784         * testsuite/Makefile.in: Rebuild.
12785
12786         * sparc.cc: Add definitions for Output_data_plt_sparc class
12787         constants.
12788
12789 2008-04-14  David S. Miller  <davem@davemloft.net>
12790
12791         * sparc.cc: New file.
12792         * Makefile.am (TARGETSOURCES): Add sparc.cc
12793         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12794         * configure.tgt: Document targ_extra_size and
12795         targ_extra_big_endian.  Add entries for sparc-* and
12796         sparc64-*.
12797         * configure.ac: Handle targ_extra_size and
12798         targ_extra_big_endian.
12799         * Makefile.in: Rebuild.
12800         * configure: Likewise.
12801         * po/POTFILES.in: Likewise.
12802         * po/gold.pot: Likewise.
12803
12804 2008-04-14  Ian Lance Taylor  <iant@google.com>
12805
12806         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12807         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12808         in the name/type/flags to section mapping.  Don't call
12809         allocate_output_section.
12810         (Layout::choose_output_section): Change parameter from adjust_name
12811         to is_input_section.  Don't permit input sections after sections
12812         are attached to segments.  Don't call allocate_output_section.
12813         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12814         not write_enable_output_section.
12815         (Layout::make_output_section): Don't push to
12816         unattached_section_list_ nor call attach_to_segment.  Call
12817         attach_section_to_segment if sections are attached.
12818         (Layout::attach_sections_to_segments): New function.
12819         (Layout::attach_section_to_segment): New function.
12820         (Layout::attach_allocated_section_to_segment): Rename from
12821         attach_to_segment.  Remove flags parameter.
12822         (Layout::allocate_output_section): Remove function.
12823         (Layout::write_enable_output_section): Remove function.
12824         * layout.h (class Layout): Update for above changes.  Add new
12825         field sections_are_attached_.
12826         * output.h (Output_section::update_flags_for_input_section): New
12827         function.
12828         * output.cc (Output_section::add_input_section): Call
12829         update_flags_for_input_section.
12830         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12831
12832 2008-04-11  Cary Coutant  <ccoutant@google.com>
12833
12834         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12835         thought unnecessary.
12836         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12837
12838 2008-04-11  Ian Lance Taylor  <iant@google.com>
12839
12840         * output.h (class Output_section_data): Remove inline definition
12841         of set_addralign.
12842         * output.cc (Output_section_data::set_addralign): New function.
12843
12844 2008-04-11  Cary Coutant  <ccoutant@google.com>
12845
12846         Add support for TLS descriptors for i386 and x86_64.
12847         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12848         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12849         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12850         GOT_TYPE_TLS_DESC.
12851         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12852         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12853         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12854         relocations.
12855         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12856         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12857         Fix problem with initial-exec relocations.
12858         (Target_i386::Relocate::relocate_tls): Likewise.
12859         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12860         relaxation.
12861         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12862         support for section-plus-offset dynamic table entries.
12863         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12864         (Output_data_dynamic::Dynamic_entry): Add support for
12865         section-plus-offset dynamic table entries.
12866         (Output_data_dynamic::Classification): Likewise.
12867         (Output_data_dynamic::classification_): Renamed offset_.
12868         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12869         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12870         (Target_x86_64::make_plt_section): New function.
12871         (Target_x86_64::reserve_tlsdesc_entries): New function.
12872         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12873         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12874         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12875         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12876         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12877         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12878         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12879         add extra PLT entry for TLS descriptors.
12880         (Output_data_plt_x86_64::got_): New field.
12881         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12882         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12883         fields.
12884         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12885         descriptors.
12886         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12887         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12888         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12889         R_386_TLS_DESC_CALL relocations.
12890         (Target_x86_64::Scan::global): Likewise.
12891         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12892         for TLS descriptors.
12893         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12894         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12895         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12896         GD-to-IE relaxation.
12897         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12898         and TLS_DESCRIPTORS.
12899         * Makefile.in: Rebuild.
12900         * configure: Rebuild.
12901         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12902         (tls_test_shared2.so): New target.
12903         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12904         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12905         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12906         (tls_shared_gd_to_ie_test_LDADD): New variable.
12907         (tls_shared_gnu2_gd_to_ie_test): New target.
12908         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12909         New targets.
12910         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12911         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12912         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12913         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12914         (tls_shared_gnu2_test): New target.
12915         (tls_test_gnu2_shared.so): New target.
12916         (tls_shared_gnu2_test_SOURCES): New variable.
12917         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12918         (tls_shared_gnu2_test_LDFLAGS): New variable.
12919         (tls_shared_gnu2_test_LDADD): New variable.
12920         * testsuite/Makefile.in: Rebuild.
12921         * testsuite/Makefile.
12922
12923 2008-04-11  Ian Lance Taylor  <iant@google.com>
12924
12925         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12926         justsyms.t.
12927         * testsuite/Makefile.in: Rebuild.
12928
12929         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12930         long.
12931         * testsuite/script_test_2.cc (main): Adjust test.
12932
12933 2008-04-11  David S. Miller  <davem@davemloft.net>
12934             Ian Lance Taylor  <iant@google.com>
12935
12936         * options.h (General_options): Add entries for '-Y' and
12937         '-relax'.
12938         * options.cc (General_options:finalize): If -Y was used, add those
12939         entries to the library path instead of the default "/lib" and
12940         "/usr/lib".
12941
12942 2008-04-11  David S. Miller  <davem@davemloft.net>
12943
12944         * testsuite/justsyms.t: Start at 0x100.
12945         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12946         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12947         long.
12948         * testsuite/script_test_2.cc: Adjust string and section length
12949         checks.
12950
12951 2008-04-09  Ian Lance Taylor  <iant@google.com>
12952
12953         PR gold/5996
12954         * script-sections.cc (Sections_element::allocate_to_segment): Add
12955         orphan parameter.
12956         (Output_section_definition::allocate_to_segment): Likewise.
12957         (Orphan_output_section::allocate_to_segment): Likewise.
12958         (Script_sections::attach_sections_using_phdrs_clause): Don't
12959         propagate non-PT_LOAD segments to orphan sections.
12960         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12961         readelf rather than objdump.
12962         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12963         .interp section and PT_INTERP segment are the same size.
12964         * testsuite/Makefile.in: Rebuild.
12965
12966         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12967         aliases for symbols defined in the same object.
12968         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12969         (weak_alias_test_SOURCES): New variable.
12970         (weak_alias_test_DEPENDENCIES): New variable.
12971         (weak_alias_test_LDFLAGS): New variable.
12972         (weak_alias_test_LDADD): New variable.
12973         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12974         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12975         (weak_alias_test_3.o): New target.
12976         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12977         * testsuite/weak_alias_test_main.cc: New file.
12978         * testsuite/weak_alias_test_1.cc: New file.
12979         * testsuite/weak_alias_test_2.cc: New file.
12980         * testsuite/weak_alias_test_3.cc: New file.
12981
12982 2008-04-08  Ian Lance Taylor  <iant@google.com>
12983
12984         * options.h (class General_options): Add --noinhibit-exec option.
12985         * main.cc (main): Check --noinhibit-exec.
12986
12987         * options.h (class General_options): Define --wrap as a special
12988         option.  Add wrap_symbols_ field.
12989         (General_options::any_wrap_symbols): New function.
12990         (General_options::is_wrap_symbol): New function.
12991         * options.cc (General_options::parse_wrap): New function.
12992         (General_options::General_options): Initialize wrap_symbols_.
12993         * symtab.cc (Symbol_table::wrap_symbol): New function.
12994         (Symbol_table::add_from_object): Handle --wrap.
12995         * symtab.h (class Symbol_table): Declare wrap_symbol.
12996         * target.h (Target::wrap_char): New function.
12997         (Target::Target_info): Add wrap_char field.
12998         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12999         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
13000         * testsuite/testfile.cc (Target_test::test_target_info):
13001         Likewise.
13002
13003         * errors.cc (Errors::undefined_symbol): Mention symbol version if
13004         there is one.
13005
13006         * layout.h (class Layout): Add added_eh_frame_data_ field.
13007         * layout.cc (Layout::Layout): Initialize new field.
13008         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
13009         output section until we find a section we merged successfully.
13010         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
13011         that the size be non-zero.
13012
13013         * merge.cc (Object_merge_map::get_output_offset): Remove inline
13014         qualifier.
13015
13016 2008-04-08  Craig Silverstein  <csilvers@google.com>
13017
13018         * configure.ac: Export new conditional variable HAVE_ZLIB.
13019         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
13020         on HAVE_ZLIB.
13021         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
13022         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13023
13024 2008-04-07  Ian Lance Taylor  <iant@google.com>
13025
13026         * version.cc (version_string): Set to "1.5".
13027
13028         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
13029         Add issued_non_pic_error_ field.  Declare check_non_pic.
13030         (Target_x86_64::Scan::check_non_pic): New function.
13031         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
13032         (Target_x86_64::Scan::global): Likewise.
13033
13034         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
13035         addend parameter.  Change caller.  Handle merge sections.
13036         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
13037         Address to Addend.  Don't add in the result of
13038         local_section_offset, pass down the addend and use the returned
13039         value.
13040         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
13041         Update declarations of local_section_offset and symbol_value.
13042         * testsuite/two_file_test_1.cc (t18): New function.
13043         * testsuite/two_file_test_2.cc (f18): New function.
13044         * testsuite/two_file_test_main.cc (main): Call t18.
13045         * testsuite/two_file_test.h (t18, f18): Declare.
13046
13047         * configure.ac: Don't test for objdump, c++filt, or readelf.
13048         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
13049         conditionals.
13050         (TEST_READELF): New variable.
13051         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
13052         (check_PROGRAMS): Add two_file_strip_test.
13053         (two_file_strip_test): New target.
13054         (check_PROGRAMS): Add two_file_same_shared_strip_test.
13055         (two_file_same_shared_strip_test_SOURCES): New variable.
13056         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
13057         (two_file_same_shared_strip_test_LDFLAGS): New variable.
13058         (two_file_same_shared_strip_test_LDADD): New variable.
13059         (two_file_shared_strip.so): New target.
13060         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
13061         (ver_test_5.syms, ver_test_7.syms): Likewise.
13062         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
13063         (strip_test_3.stdout): Use TEST_OBJDUMP.
13064         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13065
13066 2008-04-04  Cary Coutant  <ccoutant@google.com>
13067
13068         * symtab.h (Symbol::is_weak_undefined): New function.
13069         (Symbol::is_strong_undefined): New function.
13070         (Symbol::is_absolute): New function.
13071         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
13072         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
13073         absolute symbols.
13074         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
13075         (weak_undef_test): New target.
13076         * testsuite/Makefile.in: Rebuild.
13077         * testsuite/weak_undef_file1.cc: New file.
13078         * testsuite/weak_undef_file2.cc: New file.
13079         * testsuite/weak_undef_test.cc: New file.
13080
13081 2008-04-03  Craig Silverstein  <csilvers@google.com>
13082
13083         * compressed_output.h (class Output_compressed_section): Use
13084         unsigned buffer.
13085         * compressed_output.cc (zlib_compress): Use unsigned buffers,
13086         add zlib header.
13087         (zlib_compressed_suffix): Removed.
13088         (Output_compressed_section::set_final_data_size): Use unsigned
13089         buffers.
13090         * testsuite/Makefile.am (flagstest_compress_debug_sections):
13091         Fix linker invocation.
13092         (flagstest_o_specialfile_and_compress_debug_sections):
13093         Likewise.
13094         * testsuite/Makefile.in: Regenerated.
13095
13096 2008-04-02  David S. Miller  <davem@davemloft.net>
13097
13098         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
13099         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
13100
13101 2008-04-02  Craig Silverstein  <csilvers@google.com>
13102
13103         * TODO: New file.
13104
13105 2008-04-02  Ian Lance Taylor  <iant@google.com>
13106
13107         * fileread.cc (File_read::find_view): Add byteshift and vshifted
13108         parameters.  Update for new key type to views_.  Change all
13109         callers.
13110         (File_read::read): Adjust for byteshift in returned view.
13111         (File_read::add_view): New function, broken out of
13112         find_and_make_view.
13113         (File_read::make_view): New function, broken out of
13114         find_and_make_view.
13115         (File_read::find_or_make_view): Add offset and aligned
13116         parameters.  Rewrite accordingly.  Change all callers.
13117         (File_read::get_view): Add offset and aligned parameters.  Adjust
13118         for byteshift in return value.
13119         (File_read::get_lasting_view): Likewise.
13120         * fileread.h (class File_read): Update declarations.
13121         (class File_read::View): Add byteshift_ field.  Add byteshift to
13122         constructor.  Add byteshift method.
13123         * archive.h (Archive::clear_uncached_views): New function.
13124         (Archive::get_view): Add aligned parameter.  Change all callers.
13125         * object.h (Object::get_view): Add aligned parameter.  Change all
13126         callers.
13127         (Object::get_lasting_view): Likewise.
13128
13129         * fileread.cc (File_read::release): Don't call clear_views if
13130         there are multiple objects.
13131         * fileread.h (File_read::clear_uncached_views): New function.
13132         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
13133         on the archive.
13134
13135 2008-03-31  Cary Coutant  <ccoutant@google.com>
13136
13137         Add thin archive support.
13138         * archive.cc (Archive::armagt): New const.
13139         (Archive::setup): Remove task parameter and calls to unlock.
13140         (Archive::unlock_nested_archives): New function.
13141         (Archive::read_header): Add nested_off parameter. Change
13142         all callers.
13143         (Archive::interpret_header): Likewise.
13144         (Archive::include_all_members): Change to handle thin
13145         archives.
13146         (Archive::include_member): Likewise.
13147         * archive.h (Archive::Archive): Add new parameters and
13148         initializers.
13149         (Archive::armagt): New const.
13150         (Archive::setup): Remove task parameter.
13151         (Archive::unlock_nested_archives): New function.
13152         (Archive::read_header): Add nested_off parameter.
13153         (Archive::interpret_header): Likewise.
13154         (Archive::Nested_archive_table): New typedef.
13155         (Archive::is_thin_archive_): New field.
13156         (Archive::nested_archives_): New field.
13157         (Archive::options_): New field.
13158         (Archive::dirpath_): New field.
13159         (Archive::task_): New field.
13160         * readsyms.cc (Read_symbols::do_read_symbols): Add check
13161         for thin archives.  Pass additional parameters to
13162         Archive::Archive.  Unlock the archive file after calling
13163         Archive::setup.
13164
13165 2008-03-29  Ian Lance Taylor  <iant@google.com>
13166
13167         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
13168         version symbol to be local.
13169         * testsuite/ver_test_4.sh: New file.
13170         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
13171         (check_DATA): Add ver_test_4.syms.
13172         (ver_test_4.syms): New target.
13173         * testsuite/Makefile.in: Rebuild.
13174
13175         * output.cc
13176         (Output_section::Input_section_sort_entry::has_priority): New
13177         function.
13178         (Output_section::Input_section_sort_entry::match_file_name): New
13179         function.
13180         (Output_section::Input_section_sort_entry::match_section_name):
13181         Remove.
13182         (Output_section::Input_section_sort_entry::match_section_name_prefix):
13183         Remove.
13184         (Output_section::Input_section_sort_entry::match_section_file):
13185         Remove.
13186         (Output_section::Input_section_sort_compare::operator()): Rewrite
13187         using new Input_section_sort_entry functions.  Sort crtbegin and
13188         crtend first.  Sort sections with no priority before sections with
13189         a priority.
13190         * testsuite/initpri1.c (d3): Check j != 4.
13191         (cd5): New constructor/destructor function.
13192         (main): Check j != 2.
13193
13194         * symtab.cc (Symbol_table::add_from_object): If we don't use the
13195         new symbol when resolving, don't call set_is_default.
13196         * testsuite/ver_test_7.cc: New file.
13197         * testsuite/ver_test_7.sh: New file.
13198         * testsuite/Makefile.am (ver_test_7.so): New target.
13199         (ver_test_7.o): New target.
13200         (check_SCRIPTS): Add ver_test_7.sh.
13201         (check_DATA): Add ver_test_7.syms.
13202         (ver_test_7.syms): New target.
13203
13204 2008-03-28  Ian Lance Taylor  <iant@google.com>
13205
13206         * layout.cc (Layout::layout): If we see an input section with a
13207         name that needs sorting, set the must_sort flag for the output
13208         section.
13209         (Layout::make_output_section): If the name of the output section
13210         indicates that it might require sorting, set the may_sort flag.
13211         * output.h (Output_section::may_sort_attached_input_sections): New
13212         function.
13213         (Output_section::set_may_sort_attached_input_sections): New
13214         function.
13215         (Output_section::must_sort_attached_input_sections): New
13216         function.
13217         (Output_section::set_must_sort_attached_input_sections): New
13218         function.
13219         (class Output_section): Declare Input_section_sort_entry.  Define
13220         Input_section_sort_compare.  Declare
13221         sort_attached_input_sections.  Add new fields:
13222         may_sort_attached_input_sections_,
13223         must_sort_attached_input_sections_,
13224         attached_input_sections_are_sorted_.
13225         * output.cc (Output_section::Output_section): Initialize new
13226         fields.
13227         (Output_section::add_input_section): Add an entry to
13228         input_sections_ if may_sort or must_sort are true.
13229         (Output_section::set_final_data_size): Call
13230         sort_attached_input_sections if necessary.
13231         (Output_section::Input_section_sort_entry): Define new class.
13232         (Output_section::Input_section_sort_compare::operator()): New
13233         function.
13234         (Output_section::sort_attached_input_sections): New function.
13235         * configure.ac: Check whether the compiler supports constructor
13236         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
13237         * testsuite/initpri1.c: New file.
13238         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
13239         CONSTRUCTOR_PRIORITY.
13240         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
13241         (initpri1_LDFLAGS): New variable.
13242         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13243
13244 2008-03-27  Ian Lance Taylor  <iant@google.com>
13245
13246         * common.cc (Sort_commons::operator): Correct sorting algorithm.
13247         * testsuite/common_test_1.c: New file.
13248         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
13249         (common_test_1_SOURCES): New variable.
13250         (common_test_1_DEPENDENCIES): New variable.
13251         (common_test_1_LDFLAGS): New variable.
13252
13253         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
13254         and commons_ correctly when NAME/VERSION does not override
13255         NAME/NULL.
13256         * testsuite/ver_test_6.c: New file.
13257         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
13258         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
13259         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
13260
13261 2008-03-26  Ian Lance Taylor  <iant@google.com>
13262
13263         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
13264         of an undefined symbol from a version script.
13265         * testsuite/Makefile.am (ver_test_5.so): New target.
13266         (ver_test_5.o): New target.
13267         (check_SCRIPTS): Add ver_test_5.sh.
13268         (check_DATA): Add ver_test_5.syms.
13269         (ver_test_5.syms): New target.
13270         * testsuite/ver_test_5.cc: New file.
13271         * testsuite/ver_test_5.script: New file.
13272         * testsuite/ver_test_5.sh: New file.
13273         * Makefile.in, testsuite/Makefile.in: Rebuild.
13274
13275         PR gold/5986
13276         Fix problems building gold with gcc 4.3.0.
13277         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
13278         (gold_error_at_location, gold_warning_at_location): Use it.
13279         * configure.ac: Check whether we can compile and use a template
13280         function with a printf attribute.
13281         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
13282         when jumping over bytes.
13283         * object.cc: Instantiate Object::read_section_data.
13284         * debug.h: Include <cstring>
13285         * dwarf_reader.cc: Include <algorithm>
13286         * main.cc: Include <cstring>.
13287         * options.cc: Include <cstring>.
13288         * output.cc: Include <cstring>.
13289         * script.cc: Include <cstring>.
13290         * script.h: Include <string>.
13291         * symtab.cc: Include <cstring> and <algorithm>.
13292         * target-select.cc: Include <cstring>.
13293         * version.cc: Include <string>.
13294         * testsuite/testmain.cc: Include <cstdlib>.
13295         * configure, config.in: Rebuild.
13296
13297 2008-03-25  Ian Lance Taylor  <iant@google.com>
13298
13299         * options.cc: Include "../bfd/bfdver.h".
13300         (options::help): Print bug reporting address.
13301
13302         * version.cc (print_version): Adjust output for current value of
13303         BFD_VERSION_STRING.
13304
13305         * NEWS: New file.
13306
13307         * options.cc (options::help): Print list of supported targets.
13308         * target-select.h: Include <vector>.
13309         (class Target_selector): Make machine_, size_, and is_big_endian_
13310         fields const.  Add bfd_name_ and instantiated_target_ fields.
13311         (Target_selector::Target_selector): Add bfd_name parameter.
13312         (Target_selector::recognize): Make non-virtual, call
13313         do_recognize.
13314         (Target_selector::recognize_by_name): Make non-virtual, call
13315         do_recognize_by_name.
13316         (Target_selector::supported_names): New function.
13317         (Target_selector::bfd_name): New function.
13318         (Target_selector::do_instantiate_target): New pure virtual
13319         function.
13320         (Target_selector::do_recognize): New virtual function.
13321         (Target_selector::do_recognize_by_name): New virtual function.
13322         (Target_selector::instantiate_target): New private function.
13323         (supported_target_names): Declare.
13324         * target-select.cc (Target_selector::Target_selector): Update for
13325         new parameter and fields.
13326         (select_target_by_name): Check that the name matches before
13327         calling recognize_by_name.
13328         (supported_target_names): New function.
13329         * i386.cc (class Target_selector_i386): Update Target_selector
13330         constructor call.  Remove recognize and recognize_by_name.  Add
13331         do_instantiate_target.
13332         * x86_64.cc (class Target_selector_x86_64): Likewise.
13333         * testsuite/testfile.cc (class Target_selector_test): Update for
13334         changes to Target_selector.
13335
13336         * README: Rewrite, with some notes on unsupported features.
13337
13338 2008-03-24  Cary Coutant  <ccoutant@google.com>
13339
13340         * i386.cc (Target_i386::Got_type): New enum declaration.
13341         (Target_i386::Scan::local): Updated callers of Output_data_got
13342         member functions.
13343         (Target_i386::Scan::global): Likewise.
13344         (Target_i386::Relocate::relocate): Likewise.
13345         (Target_i386::Relocate::relocate_tls): Likewise.
13346         * object.h (Got_offset_list): New class.
13347         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13348         (Sized_relobj::local_got_offset): Likewise.
13349         (Sized_relobj::set_local_got_offset): Likewise.
13350         (Sized_relobj::local_has_tls_got_offset): Removed.
13351         (Sized_relobj::local_tls_got_offset): Removed.
13352         (Sized_relobj::set_local_tls_got_offset): Removed.
13353         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13354         * output.cc (Output_data_got::add_global): Added got_type parameter.
13355         (Output_data_got::add_global_with_rel): Likewise.
13356         (Output_data_got::add_global_with_rela): Likewise.
13357         (Output_data_got::add_global_pair_with_rel): New function.
13358         (Output_data_got::add_global_pair_with_rela): New function.
13359         (Output_data_got::add_local): Added got_type parameter.
13360         (Output_data_got::add_local_with_rel): Likewise.
13361         (Output_data_got::add_local_with_rela): Likewise.
13362         (Output_data_got::add_local_pair_with_rel): New function.
13363         (Output_data_got::add_local_pair_with_rela): New function.
13364         (Output_data_got::add_global_tls): Removed.
13365         (Output_data_got::add_global_tls_with_rel): Removed.
13366         (Output_data_got::add_global_tls_with_rela): Removed.
13367         (Output_data_got::add_local_tls): Removed.
13368         (Output_data_got::add_local_tls_with_rel): Removed.
13369         (Output_data_got::add_local_tls_with_rela): Removed.
13370         * output.h (Output_data_got::add_global): Added got_type parameter.
13371         (Output_data_got::add_global_with_rel): Likewise.
13372         (Output_data_got::add_global_with_rela): Likewise.
13373         (Output_data_got::add_global_pair_with_rel): New function.
13374         (Output_data_got::add_global_pair_with_rela): New function.
13375         (Output_data_got::add_local): Added got_type parameter.
13376         (Output_data_got::add_local_with_rel): Likewise.
13377         (Output_data_got::add_local_with_rela): Likewise.
13378         (Output_data_got::add_local_pair_with_rel): New function.
13379         (Output_data_got::add_local_pair_with_rela): New function.
13380         (Output_data_got::add_global_tls): Removed.
13381         (Output_data_got::add_global_tls_with_rel): Removed.
13382         (Output_data_got::add_global_tls_with_rela): Removed.
13383         (Output_data_got::add_local_tls): Removed.
13384         (Output_data_got::add_local_tls_with_rel): Removed.
13385         (Output_data_got::add_local_tls_with_rela): Removed.
13386         * resolve.cc (Symbol::override_base_with_special): Removed
13387         reference to has_got_offset_ field.
13388         * symtab.cc (Symbol::init_fields): Replaced initialization
13389         of got_offset_ with got_offsets_.  Removed initialization
13390         of has_got_offset_
13391         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13392         (Symbol::got_offset): Likewise.
13393         (Symbol::set_got_offset): Likewise.
13394         (Symbol::has_tls_got_offset): Removed.
13395         (Symbol::tls_got_offset): Removed.
13396         (Symbol::set_tls_got_offset): Removed.
13397         (Symbol::got_offset_): Removed.
13398         (Symbol::tls_mod_got_offset_): Removed.
13399         (Symbol::tls_pair_got_offset_): Removed.
13400         (Symbol::got_offsets_): New field.
13401         (Symbol::has_got_offset): Removed.
13402         (Symbol::has_tls_mod_got_offset): Removed.
13403         (Symbol::has_tls_pair_got_offset): Removed.
13404         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13405         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13406         member functions.
13407         (Target_x86_64::Scan::global): Likewise.
13408         (Target_x86_64::Relocate::relocate): Likewise.
13409         (Target_x86_64::Relocate::relocate_tls): Likewise.
13410
13411 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13412
13413         * yyscript.y: Fix spelling error in comment.
13414
13415 2008-03-24  Ian Lance Taylor  <iant@google.com>
13416
13417         * options.h (class General_options): Define build_id option.
13418         * layout.h (class Layout): Declare write_build_id, create_note,
13419         create_build_id.  Add build_id_note_ member.
13420         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
13421         "libiberty.h", "md5.h", "sha1.h".
13422         (Layout::Layout): Initialize eh_frame_data_,
13423         eh_frame_hdr_section_, and build_id_note_.
13424         (Layout::finalize): Call create_build_id.
13425         (Layout::create_note): New function, broken out of
13426         Layout::create_gold_note.
13427         (Layout::create_gold_note): Call create_note.
13428         (Layout::create_build_id): New function.
13429         (Layout::write_build_id): New function.
13430         (Close_task_runner::run): Call write_build_id.
13431
13432         * x86_64.cc: Correct license to GPLv3.
13433
13434 2008-03-23  Ian Lance Taylor  <iant@google.com>
13435
13436         * options.cc: Include "demangle.h".
13437         (parse_optional_string): New function.
13438         (parse_long_option): Handle takes_optional_argument.
13439         (parse_short_option): Update dash_z initializer.  Handle
13440         takes_optional_argument.
13441         (General_options::General_options): Initialize do_demangle_.
13442         (General_options::finalize): Set do_demangle_.  Handle demangling
13443         style.
13444         * options.h (parse_optional_string): Declare.
13445         (struct One_option): Add optional_arg field.  Update constructor.
13446         Update call constructor calls.  Add takes_optional_argument
13447         function.
13448         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
13449         (DEFINE_optional_string): Define.
13450         (General_options::demangle): Change from DEFINE_bool to
13451         DEFINE_optional_string.
13452         (General_options::no_demangle): New function.
13453         (General_options::do_demangle): New function.
13454         (General_options::set_do_demangle): New function.
13455         (General_options::execstack_status_): Move definition to end of
13456         class definition.
13457         (General_options::static_): Likewise.
13458         (General_options::do_demangle_): New field.
13459         * object.cc (big_endian>::get_symbol_location_info): Call
13460         Options::do_demangle, not Options::demangle.
13461         * symtab.cc (demangle): Likewise.
13462
13463 2008-03-22  Ian Lance Taylor  <iant@google.com>
13464
13465         * gold.h: Include <cstddef> and <sys/types.h>
13466         * options.h: Include <cstring>.
13467
13468 2008-03-21  Ian Lance Taylor  <iant@google.com>
13469
13470         * Added source code to GNU binutils.